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CN113512908A - Production method of environment-friendly high-performance composite corrugated paper - Google Patents

Production method of environment-friendly high-performance composite corrugated paper Download PDF

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Publication number
CN113512908A
CN113512908A CN202110805163.7A CN202110805163A CN113512908A CN 113512908 A CN113512908 A CN 113512908A CN 202110805163 A CN202110805163 A CN 202110805163A CN 113512908 A CN113512908 A CN 113512908A
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CN
China
Prior art keywords
component
paper
parts
paper layer
environment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110805163.7A
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Chinese (zh)
Inventor
姚宏亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Anji Tianhong Paper Co ltd
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Zhejiang Anji Tianhong Paper Co ltd
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Priority to CN202110805163.7A priority Critical patent/CN113512908A/en
Publication of CN113512908A publication Critical patent/CN113512908A/en
Pending legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D21H27/40—Multi-ply at least one of the sheets being non-planar, e.g. crêped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/08—Corrugated paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
    • C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/14—Secondary fibres
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/53—Polyethers; Polyesters
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/16—Sizing or water-repelling agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/34—Ignifugeants
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/38—Corrosion-inhibiting agents or anti-oxidants
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/10—Packing paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/536—Hardness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/716—Degradable
    • B32B2307/7163—Biodegradable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Laminated Bodies (AREA)
  • Paper (AREA)

Abstract

The invention provides a production method of green environment-friendly high-performance composite corrugated paper, which is formed by combining a component A, a component B, a component C and a component D, wherein the component A comprises a straw pulp board, polylactic acid resin, corn starch adhesive, gelatin and plasticizer, the component B comprises waste paper fibers, PBS resin, a flame retardant and a waterproof agent, the component C comprises waste paper fibers, PBS resin, a preservative, an antibacterial agent and a dispersing agent, and the component D comprises starch, acrylate, plant-based polyester polyol, glyceride and a tackifier; the component A is made into a wavy core paper layer, the component B is made into a surface paper layer, the component C is made into an inner paper layer, and the component D is made into an environment-friendly adhesive; the wavy core paper layer prepared from the component A has higher compressive strength and hardness, the surface paper layer prepared from the component B has good flame retardance and waterproofness, and the lining paper layer prepared from the component C has good corrosion resistance and antibacterial ability, so that the requirements of modern society on environmental protection can be met.

Description

Production method of environment-friendly high-performance composite corrugated paper
Technical Field
The invention relates to the technical field of papermaking, in particular to a production method of environment-friendly high-performance composite corrugated paper.
Background
Corrugated paper is a plate-shaped object formed by bonding liner paper and corrugated paper formed by processing a corrugated roller, is generally divided into single corrugated paper boards and double corrugated paper boards, and is divided into A, B, C, E, F types according to the size of the corrugation; the invention and the application of the corrugated paper have more than one hundred years history, and have the advantages of low cost, light weight, easy processing, high strength, excellent printing adaptability, convenient storage and transportation and the like; in all packaged printed products, the vast majority are transported in corrugated containers, which shows the important role of corrugated containers in ensuring the safe delivery of the products from the factory to the customer, while in storage and transportation, the increase in the number of stacked layers requires a higher and higher compressive strength of the containers, and if the bottom layer of the containers collapses, a serious loss is caused. According to the food industry estimates, about 20% of the goods damaged each year are due to packaging problems. Therefore, it is a general requirement of users to improve the compression strength of the carton.
Based on the existing corrugated paper, 202010262185.9 a high-strength composite corrugated paper and its production process exist in the prior art, which mainly comprises modified starch base film, surface paper, hard corrugated paper layer and inner paper, the prepared composite corrugated paper has high strength, and the technical problem that the compounding of modified starch and polyvinyl alcohol is affected by the phenomena of gelatinization and the like in the chemical crosslinking modification process when starch is subjected to crosslinking modification in the prior art is solved; however, while solving the above problems, the following technical problems also exist: 1. Most of the materials adopted by the composite corrugated paper prepared by the materials in the patent are non-degradable materials, so that the requirements of environmental protection cannot be met; 2. the surface paper of the corrugated paper box is poor in flame retardance and waterproofness, and the corrugated paper box manufactured by the surface paper is easy to catch fire or get wet in the transportation or storage process; 3. the inner paper of the corrugated case has poor corrosion resistance and antibacterial capability, and the corrugated case manufactured by the inner paper is easy to corrode the inner paper when corrosive articles are loaded, so that the corrugated case is damaged.
Therefore, a green and environment-friendly production method of high-performance composite corrugated paper is provided for solving the problems.
Disclosure of Invention
The invention provides a production method of environment-friendly high-performance composite corrugated paper, which has better compressive strength and hardness, good flame retardance, waterproofness, corrosion resistance and antibacterial property, and can meet the requirement of modern society on environmental protection.
The invention adopts the following technical means for solving the technical problems:
the composite corrugated paper is formed by combining a component A, a component B, a component C and a component D, wherein the component A comprises a straw pulp board, polylactic acid resin, corn starch adhesive, gelatin and a plasticizer, the component B comprises waste paper fibers, PBS resin, a flame retardant and a waterproof agent, the component C comprises waste paper fibers, PBS resin, a preservative, an antibacterial agent and a dispersing agent, and the component D comprises starch, acrylate, plant-based polyester polyol, glyceride and a tackifier; the component A is made into a wavy core paper layer, the component B is made into a surface paper layer, the component C is made into an inner paper layer, and the component D is made into an environment-friendly adhesive;
the component A comprises the following materials in parts by weight: 50-70 parts of straw pulp board, 20-30 parts of polylactic resin, 5-10 parts of corn starch adhesive, 5-10 parts of gelatin and 3-5 parts of plasticizer;
the component B comprises the following materials in parts by weight: 40-60 parts of waste paper fibers, 20-30 parts of PBS resin, 8-12 parts of flame retardant and 4-8 parts of waterproof agent;
the C component comprises the following materials in parts by weight: 40-60 parts of waste paper fiber, 20-30 parts of PBS resin, 5-8 parts of preservative, 3-5 parts of antibacterial agent and 10-20 parts of dispersing agent.
The D component comprises the following materials in parts by weight: 30-50 parts of starch, 5-10 parts of acrylate, 2-6 parts of plant-based polyester polyol, 1-4 parts of glyceride and 3-5 parts of tackifier.
Furthermore, the waste paper fiber is any one or combination of a plurality of white paper edges, broken waste paper, waste books and periodicals, waste newspapers, waste paperboards and waste paper boxes; the flame retardant is a composition of polybutylene terephthalate, trialkyl phosphate and trihydroxy alkyl phosphonate; the waterproof agent is a composition of acrylic acid and EVA emulsion.
Further, the waste paper fiber is a plurality of combinations of waste books and periodicals, waste newspapers, waste paperboards and waste paper boxes; the weight ratio of the polybutylene terephthalate to the trialkyl phosphate to the trihydroxy alkyl phosphonate is 2:1: 1; the waterproof agent consists of 50-65% of acrylic acid and 35-50% of EVA emulsion.
Further, the preservative is a composition of potassium hydroxide, lysozyme and deoxyacetic acid; the antimicrobial agent comprises 65-70% guanidine stearate and 30-35% 2-methyl-3 (2H) -isothiazolinone.
Further, the weight ratio of the potassium hydroxide to the lysozyme to the deoxyacetic acid is 1:2: 0.5; the antimicrobial agent included 65% guanidine stearate and 35% 2-methyl-3 (2H) -isothiazolinone.
The production method of the environment-friendly high-performance composite corrugated paper comprises the following steps:
step 1, putting the grass pulp board into a pulper for crushing, continuously adding water to dilute the pulp in the crushing process, then putting the diluted pulp into a defibering machine for defibering and separating fibers, and continuously adding water to dilute in the defibering process;
step 2, adding polylactic resin, corn starch adhesive, gelatin and plasticizer into the diluted slurry, uniformly stirring, pulping the slurry, drying paper, and drying and forming to obtain core paper;
step 3, placing the core paper on a corrugating machine, heating the core paper layer to 160-180 ℃ and pressing into a wavy core paper layer;
step 4, putting the waste paper fibers into a pulper to be crushed into pulp, adding PBS resin, a flame retardant and a waterproof agent into the pulp, then heating to 40-50 ℃, preserving heat in a water bath, treating for 5-8 hours, then heating to boil for 1-2min, naturally cooling to room temperature, and drying to obtain a surface paper layer;
step 5, putting the waste paper fibers into a pulper to be crushed into pulp, adding PBS resin, preservative and antibacterial agent into the pulp, then heating to 40-50 ℃, preserving heat in a water bath, treating for 5-8 hours, then heating to boil for 1-2min, naturally cooling to room temperature, and drying to obtain a lining paper layer;
step 6, spraying the dispersion liquid on the outer side of the obtained lining paper layer and drying;
step 7, taking the wavy core paper layer, coating environment-friendly adhesives on the upper and lower surfaces of the wavy core paper layer, respectively pressing a surface paper layer and an inner paper layer on the upper and lower surfaces of the wavy core paper layer, drying and cooling to obtain finished corrugated paper;
and 8, conveying the finished corrugated paper to a computer thin knife splitting machine, and splitting the finished corrugated paper into plates with uniform sizes.
Further, in the step 1, the concentration of the primary diluted slurry is 14-18%, and the concentration of the secondary diluted slurry is 1.5-2.0%.
Further, the specific operation in the step 6 is to place the inner paper layer sprayed with the dispersion liquid in an oven at 200 ℃ for drying for 30-50S, wherein the mass percent of the dispersion liquid is 30-40%, and the spraying amount is 25-40 g/square meter.
Further, the specific operation in the step 7 is to coat the environment-friendly adhesive on the upper and lower surfaces of the wavy core paper layer, then respectively bond the surface paper layer and the lining paper layer on the upper and lower surfaces of the wavy core paper layer, thermally bond for 20-30s at the temperature of 140-.
Further, the environment-friendly high-performance composite corrugated paper is applied to the manufacture of corrugated cases.
The invention provides a production method of green environment-friendly high-performance composite corrugated paper, which has the following beneficial effects:
the invention provides green environment-friendly high-performance composite corrugated paper which is formed by combining a component A, a component B, a component C and a component D, wherein the component A comprises a straw pulp board, polylactic acid resin, corn starch adhesive, gelatin and a plasticizer, the component B comprises waste paper fibers, PBS resin, a flame retardant and a waterproof agent, the component C comprises waste paper fibers, PBS resin, a preservative, an antibacterial agent and a dispersing agent, and the component D comprises starch, acrylate, plant-based polyester polyol, glyceride and a tackifier; the component A is made into a wavy core paper layer, the component B is made into a surface paper layer, the component C is made into an inner paper layer, and the component D is made into an environment-friendly adhesive; the wavy core paper layer prepared from the component A has higher compressive strength and hardness, and can well meet the requirements of preparing high-strength corrugated cases; the surface paper layer prepared from the component B has good flame retardance and waterproofness, and the corrugated case manufactured by the surface paper layer is not easy to be ignited or wetted in the transportation or storage process; the inner paper layer made of the component C has good corrosion resistance and antibacterial ability, and the corrugated paper box made of the component C is not easy to corrode the inner paper if corrosive articles are loaded, so that the paper box is not damaged, the functionality of the paper box is greatly improved, and the composite corrugated paper produced by the formula and the process adopts biodegradable materials no matter on the wavy core paper layer, the surface paper layer or the inner paper layer, so that the requirement of green and environment-friendly modern society can be met.
Drawings
Fig. 1 is a schematic flow chart of an embodiment of the method for producing environment-friendly high-performance composite corrugated paper of the invention.
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached fig. 1, a flow chart of a method for producing green environment-friendly high-performance composite corrugated paper in the embodiment of the invention is schematically shown.
Example 1:
the invention provides green environment-friendly high-performance composite corrugated paper which is formed by combining a component A, a component B, a component C and a component D, wherein the component A comprises a straw pulp board, polylactic acid resin, corn starch adhesive, gelatin and a plasticizer, the component B comprises waste paper fibers, PBS resin, a flame retardant and a waterproof agent, the component C comprises waste paper fibers, PBS resin, a preservative, an antibacterial agent and a dispersing agent, and the component D comprises starch, acrylate, plant-based polyester polyol, glyceride and a tackifier; the component A is made into a wavy core paper layer, the component B is made into a surface paper layer, the component C is made into an inner paper layer, and the component D is made into an environment-friendly adhesive;
the dosage of each material of the component A is respectively as follows: 70 parts of straw pulp board, 30 parts of polylactic resin, 10 parts of corn starch adhesive, 5 parts of gelatin and 5 parts of plasticizer;
the B component comprises the following materials in parts by weight: 60 parts of waste paper fibers, 30 parts of PBS (phosphate buffer solution) resin, 8 parts of flame retardant and 4 parts of waterproof agent;
the dosage of each material of the component C is respectively as follows: 60 parts of waste paper fiber, 30 parts of PBS resin, 8 parts of preservative, 5 parts of antibacterial agent and 20 parts of dispersing agent.
The component D comprises the following materials in parts by weight: 50 parts of starch, 5 parts of acrylate, 6 parts of vegetable-based polyester polyol, 4 parts of glyceride and 3 parts of tackifier.
In one embodiment, the waste paper fiber is any one or combination of a white paper edge, broken waste paper, a waste book, a waste newspaper, a waste paperboard and a waste paper box; the flame retardant is a composition of polybutylene terephthalate, trialkyl phosphate and trihydroxy alkyl phosphonate; the waterproof agent is a composition of acrylic acid and EVA emulsion.
Specifically, the waste paper fiber is a plurality of combinations of waste books and periodicals, waste newspapers, waste paperboards and waste paper boxes; the weight ratio of polybutylene terephthalate, trialkyl phosphate and trihydroxy alkyl phosphonate is 2:1: 1; the waterproof agent consists of 50 percent of acrylic acid and 50 percent of EVA emulsion.
In one embodiment, the preservative is a combination of potassium hydroxide, lysozyme, deoxyacetic acid; the antimicrobial agent included 65% guanidine stearate and 35% 2-methyl-3 (2H) -isothiazolinone.
Specifically, the weight ratio of potassium hydroxide, lysozyme and deoxyacetic acid is 1:2: 0.5; the antimicrobial agent included 65% guanidine stearate and 35% 2-methyl-3 (2H) -isothiazolinone.
The invention also provides a production method of the environment-friendly high-performance composite corrugated paper, which comprises the following steps:
step 1, placing a straw pulp board into a pulper for crushing, continuously adding water to dilute pulp in the crushing process, then placing the diluted pulp into a fiber separating fluffer for defibering and separating fibers, and continuously adding water to dilute in the defibering process;
step 2, adding polylactic resin, corn starch adhesive, gelatin and plasticizer into the diluted slurry, uniformly stirring, pulping the slurry, drying paper, and drying and forming to obtain core paper;
step 3, placing the core paper on a corrugating machine, heating the core paper layer to 160 ℃, and pressing into a wavy core paper layer;
step 4, putting the waste paper fibers into a pulper to be crushed into slurry, adding PBS resin, a flame retardant and a waterproof agent into the slurry, then heating to 40 ℃, preserving heat in a water bath, treating for 5 hours, then heating to boil for 1min, naturally cooling to room temperature, and drying to obtain a surface paper layer;
step 5, putting the waste paper fibers into a pulper to be crushed into pulp, adding PBS resin, preservative and antibacterial agent into the pulp, then heating to 40 ℃, preserving heat in a water bath, treating for 5 hours, then heating to boiling for 1min, naturally cooling to room temperature, and drying to obtain a lining paper layer;
step 6, spraying the dispersion liquid on the outer side of the obtained lining paper layer and drying;
step 7, taking the wavy core paper layer, coating environment-friendly adhesives on the upper and lower surfaces of the wavy core paper layer, respectively pressing a surface paper layer and an inner paper layer on the upper and lower surfaces of the wavy core paper layer, drying and cooling to obtain finished corrugated paper;
and 8, conveying the finished corrugated paper to a computer thin knife splitting machine, and splitting the finished corrugated paper into plates with uniform sizes.
In one embodiment, in step 1, the concentration of the first diluted slurry is 15% and the concentration of the second diluted slurry is 1.6%.
In one embodiment, the specific operation in the step 6 is to place the liner paper layer sprayed with the dispersion liquid in an oven at 180 ℃ for drying for 30S, wherein the mass percent of the dispersion liquid is 30%, and the spraying amount is 25 g/square meter.
In one embodiment, the specific operation in step 7 is to coat the upper and lower surfaces of the wavy core paper layer with an environment-friendly adhesive, then respectively attach the surface paper layer and the inner paper layer to the upper and lower surfaces of the wavy core paper layer, thermally press-bond the wavy core paper layer for 20 seconds at the temperature of 140 ℃ and the pressure of 0.3MPa, dry and cool the wavy core paper layer.
Example 2:
the invention provides green environment-friendly high-performance composite corrugated paper which is formed by combining a component A, a component B, a component C and a component D, wherein the component A comprises a straw pulp board, polylactic acid resin, corn starch adhesive, gelatin and a plasticizer, the component B comprises waste paper fibers, PBS resin, a flame retardant and a waterproof agent, the component C comprises waste paper fibers, PBS resin, a preservative, an antibacterial agent and a dispersing agent, and the component D comprises starch, acrylate, plant-based polyester polyol, glyceride and a tackifier; the component A is made into a wavy core paper layer, the component B is made into a surface paper layer, the component C is made into an inner paper layer, and the component D is made into an environment-friendly adhesive;
the dosage of each material of the component A is respectively as follows: 50 parts of straw pulp board, 25 parts of polylactic resin, 510 parts of corn starch adhesive, 5 parts of gelatin and 3 parts of plasticizer;
the B component comprises the following materials in parts by weight: 50 parts of waste paper fiber, 25 parts of PBS resin, 10 parts of flame retardant and 6 parts of waterproof agent;
the dosage of each material of the component C is respectively as follows: 50 parts of waste paper fiber, 25 parts of PBS resin, 6 parts of preservative, 4 parts of antibacterial agent and 15 parts of dispersing agent.
The component D comprises the following materials in parts by weight: 40 parts of starch, 7 parts of acrylate, 4 parts of vegetable-based polyester polyol, 3 parts of glyceride and 4 parts of tackifier.
In one embodiment, the waste paper fiber is any one or combination of a white paper edge, broken waste paper, a waste book, a waste newspaper, a waste paperboard and a waste paper box; the flame retardant is a composition of polybutylene terephthalate, trialkyl phosphate and trihydroxy alkyl phosphonate; the waterproof agent is a composition of acrylic acid and EVA emulsion.
Specifically, the waste paper fiber is a plurality of combinations of waste books and periodicals, waste newspapers, waste paperboards and waste paper boxes; the weight ratio of polybutylene terephthalate, trialkyl phosphate and trihydroxy alkyl phosphonate is 2:1: 1; the waterproof agent consists of 55 percent of acrylic acid and 45 percent of EVA emulsion.
In one embodiment, the preservative is a combination of potassium hydroxide, lysozyme, deoxyacetic acid; the antimicrobial agent included 67% guanidine stearate and 33% 2-methyl-3 (2H) -isothiazolinone.
Specifically, the weight ratio of potassium hydroxide, lysozyme and deoxyacetic acid is 1:2: 0.5; the antimicrobial agent included 65% guanidine stearate and 35% 2-methyl-3 (2H) -isothiazolinone.
The invention also provides a production method of the environment-friendly high-performance composite corrugated paper, which comprises the following steps:
step 1, placing a straw pulp board into a pulper for crushing, continuously adding water to dilute pulp in the crushing process, then placing the diluted pulp into a fiber separating fluffer for defibering and separating fibers, and continuously adding water to dilute in the defibering process;
step 2, adding polylactic resin, corn starch adhesive, gelatin and plasticizer into the diluted slurry, uniformly stirring, pulping the slurry, drying paper, and drying and forming to obtain core paper;
step 3, placing the core paper on a corrugating machine, heating the core paper layer to 170 ℃ and pressing the core paper layer into a wavy core paper layer;
step 4, putting the waste paper fibers into a pulper to be crushed into slurry, adding PBS resin, a flame retardant and a waterproof agent into the slurry, then heating to 45 ℃, preserving heat in a water bath, treating for 6 hours, then heating to boil for 1.5min, naturally cooling to room temperature, and drying to obtain a surface paper layer;
step 5, putting the waste paper fibers into a pulper to be crushed into pulp, adding PBS resin, preservative and antibacterial agent into the pulp, then heating to 45 ℃, preserving heat in a water bath, treating for 6 hours, then heating to boil for 1.5min, naturally cooling to room temperature, and drying to obtain a lining paper layer;
step 6, spraying the dispersion liquid on the outer side of the obtained lining paper layer and drying;
step 7, taking the wavy core paper layer, coating environment-friendly adhesives on the upper and lower surfaces of the wavy core paper layer, respectively pressing a surface paper layer and an inner paper layer on the upper and lower surfaces of the wavy core paper layer, drying and cooling to obtain finished corrugated paper;
and 8, conveying the finished corrugated paper to a computer thin knife splitting machine, and splitting the finished corrugated paper into plates with uniform sizes.
In one embodiment, in step 1, the concentration of the first diluted slurry is 16% and the concentration of the second diluted slurry is 1.7%.
In one embodiment, the specific operation in step 6 is to place the liner paper layer sprayed with the dispersion liquid in an oven at 190 ℃ for drying for 40S, wherein the mass percent of the dispersion liquid is 35%, and the spraying amount is 30 g/square meter.
In one embodiment, the specific operation in step 7 is to coat the upper and lower surfaces of the wavy core paper layer with an environment-friendly adhesive, then respectively attach the surface paper layer and the inner paper layer to the upper and lower surfaces of the wavy core paper layer, thermally press-bond the wavy core paper layer for 25 seconds at the temperature of 150 ℃ and under the pressure of 0.4MPa, dry and cool.
Example 3:
the invention provides green environment-friendly high-performance composite corrugated paper which is formed by combining a component A, a component B, a component C and a component D, wherein the component A comprises a straw pulp board, polylactic acid resin, corn starch adhesive, gelatin and a plasticizer, the component B comprises waste paper fibers, PBS resin, a flame retardant and a waterproof agent, the component C comprises waste paper fibers, PBS resin, a preservative, an antibacterial agent and a dispersing agent, and the component D comprises starch, acrylate, plant-based polyester polyol, glyceride and a tackifier; the component A is made into a wavy core paper layer, the component B is made into a surface paper layer, the component C is made into an inner paper layer, and the component D is made into an environment-friendly adhesive;
the dosage of each material of the component A is respectively as follows: 60 parts of straw pulp board, 30 parts of polylactic resin, 5 parts of corn starch adhesive, 5 parts of gelatin and 5 parts of plasticizer;
the B component comprises the following materials in parts by weight: 40 parts of waste paper fiber, 30 parts of PBS resin, 12 parts of flame retardant and 4 parts of waterproof agent;
the dosage of each material of the component C is respectively as follows: 40 parts of waste paper fiber, 30 parts of PBS resin, 8 parts of preservative, 5 parts of antibacterial agent and 10 parts of dispersing agent.
The component D comprises the following materials in parts by weight: 30 parts of starch, 10 parts of acrylate, 6 parts of vegetable-based polyester polyol, 2 parts of glyceride and 3 parts of tackifier.
In one embodiment, the waste paper fiber is any one or combination of a white paper edge, broken waste paper, a waste book, a waste newspaper, a waste paperboard and a waste paper box; the flame retardant is a composition of polybutylene terephthalate, trialkyl phosphate and trihydroxy alkyl phosphonate; the waterproof agent is a composition of acrylic acid and EVA emulsion.
Specifically, the waste paper fiber is a plurality of combinations of waste books and periodicals, waste newspapers, waste paperboards and waste paper boxes; the weight ratio of polybutylene terephthalate, trialkyl phosphate and trihydroxy alkyl phosphonate is 2:1: 1; the waterproof agent consists of 60 percent of acrylic acid and 40 percent of EVA emulsion.
In one embodiment, the preservative is a combination of potassium hydroxide, lysozyme, deoxyacetic acid; the antimicrobial agent included 70% guanidine stearate and 30% 2-methyl-3 (2H) -isothiazolinone.
Specifically, the weight ratio of potassium hydroxide, lysozyme and deoxyacetic acid is 1:2: 0.5; the antimicrobial agent included 65% guanidine stearate and 35% 2-methyl-3 (2H) -isothiazolinone.
The invention also provides a production method of the environment-friendly high-performance composite corrugated paper, which comprises the following steps:
step 1, placing a straw pulp board into a pulper for crushing, continuously adding water to dilute pulp in the crushing process, then placing the diluted pulp into a fiber separating fluffer for defibering and separating fibers, and continuously adding water to dilute in the defibering process;
step 2, adding polylactic resin, corn starch adhesive, gelatin and plasticizer into the diluted slurry, uniformly stirring, pulping the slurry, drying paper, and drying and forming to obtain core paper;
step 3, placing the core paper on a corrugating machine, heating the core paper layer to 180 ℃ and pressing the core paper layer into a wavy core paper layer;
step 4, putting the waste paper fibers into a pulper to be crushed into slurry, adding PBS resin, a flame retardant and a waterproof agent into the slurry, then heating to 50 ℃, preserving heat in a water bath, treating for 8 hours, then heating to boil for 2min, naturally cooling to room temperature, and drying to obtain a surface paper layer;
step 5, putting the waste paper fibers into a pulper to be crushed into pulp, adding PBS resin, preservative and antibacterial agent into the pulp, then heating to 50 ℃, preserving heat in a water bath, treating for 8 hours, then heating to boil for 2min, naturally cooling to room temperature, and drying to obtain a lining paper layer;
step 6, spraying the dispersion liquid on the outer side of the obtained lining paper layer and drying;
step 7, taking the wavy core paper layer, coating environment-friendly adhesives on the upper and lower surfaces of the wavy core paper layer, respectively pressing a surface paper layer and an inner paper layer on the upper and lower surfaces of the wavy core paper layer, drying and cooling to obtain finished corrugated paper;
and 8, conveying the finished corrugated paper to a computer thin knife splitting machine, and splitting the finished corrugated paper into plates with uniform sizes.
In one embodiment, in step 1, the concentration of the first diluted slurry is 17% and the concentration of the second diluted slurry is 1.9%.
In one embodiment, the specific operation in the step 6 is to place the liner paper layer sprayed with the dispersion liquid in an oven at 200 ℃ for drying for 50S, wherein the mass percent of the dispersion liquid is 40%, and the spraying amount is 40 g/square meter.
In one embodiment, the specific operation in step 7 is to coat the upper and lower surfaces of the wavy core paper layer with an environment-friendly adhesive, then respectively attach the surface paper layer and the inner paper layer to the upper and lower surfaces of the wavy core paper layer, thermally press-bond the wavy core paper layer for 30 seconds at 160 ℃ and under a pressure of 0.5MPa, dry and cool.
In one embodiment, the environment-friendly high-performance composite corrugated paper is applied to the manufacture of corrugated cases.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The environment-friendly high-performance composite corrugated paper is characterized by being formed by combining a component A, a component B, a component C and a component D, wherein the component A comprises a straw pulp board, polylactic acid resin, corn starch adhesive, gelatin and a plasticizer, the component B comprises waste paper fibers, PBS resin, a flame retardant and a waterproof agent, the component C comprises waste paper fibers, PBS resin, a preservative, an antibacterial agent and a dispersing agent, and the component D comprises starch, acrylate, plant-based polyester polyol, glyceride and a tackifier; the component A is made into a wavy core paper layer, the component B is made into a surface paper layer, the component C is made into an inner paper layer, and the component D is made into an environment-friendly adhesive;
the component A comprises the following materials in parts by weight: 50-70 parts of straw pulp board, 20-30 parts of polylactic resin, 5-10 parts of corn starch adhesive, 5-10 parts of gelatin and 3-5 parts of plasticizer;
the component B comprises the following materials in parts by weight: 40-60 parts of waste paper fibers, 20-30 parts of PBS resin, 8-12 parts of flame retardant and 4-8 parts of waterproof agent;
the C component comprises the following materials in parts by weight: 40-60 parts of waste paper fiber, 20-30 parts of PBS resin, 5-8 parts of preservative, 3-5 parts of antibacterial agent and 10-20 parts of dispersing agent;
the D component comprises the following materials in parts by weight: 30-50 parts of starch, 5-10 parts of acrylate, 2-6 parts of plant-based polyester polyol, 1-4 parts of glyceride and 3-5 parts of tackifier.
2. The environment-friendly high-performance composite corrugated paper as claimed in claim 1, wherein the waste paper fibers are any one or more of white paper edges, broken paper, waste books and periodicals, waste newspapers, waste paperboards and waste paper boxes; the flame retardant is a composition of polybutylene terephthalate, trialkyl phosphate and trihydroxy alkyl phosphonate; the waterproof agent is a composition of acrylic acid and EVA emulsion.
3. The environment-friendly high-performance composite corrugated paper as claimed in claim 2, wherein the waste paper fibers are a plurality of combinations of waste books and periodicals, waste newspapers, waste paperboards and waste boxes; the weight ratio of the polybutylene terephthalate to the trialkyl phosphate to the trihydroxy alkyl phosphonate is 2:1: 1; the waterproof agent consists of 50-65% of acrylic acid and 35-50% of EVA emulsion.
4. The green, environmentally friendly, high performance composite corrugated paper as in claim 1, wherein the preservative is a combination of potassium hydroxide, lysozyme, deoxyacetic acid; the antimicrobial agent comprises 65-70% guanidine stearate and 30-35% 2-methyl-3 (2H) -isothiazolinone.
5. The environment-friendly high-performance composite corrugated paper as claimed in claim 4, wherein the weight ratio of the potassium hydroxide to the lysozyme to the deoxyacetic acid is 1:2: 0.5; the antimicrobial agent included 65% guanidine stearate and 35% 2-methyl-3 (2H) -isothiazolinone.
6. A method for producing environment-friendly high-performance composite corrugated paper, which is characterized in that the environment-friendly high-performance composite corrugated paper as claimed in any one of claims 1 to 5 is processed and manufactured to produce environment-friendly high-performance composite corrugated paper, and the production method comprises the following steps:
step 1, putting the grass pulp board into a pulper for crushing, continuously adding water to dilute the pulp in the crushing process, then putting the diluted pulp into a defibering machine for defibering and separating fibers, and continuously adding water to dilute in the defibering process;
step 2, adding polylactic resin, corn starch adhesive, gelatin and plasticizer into the diluted slurry, uniformly stirring, pulping the slurry, drying paper, and drying and forming to obtain core paper;
step 3, placing the core paper on a corrugating machine, heating the core paper layer to 160-180 ℃ and pressing into a wavy core paper layer;
step 4, putting the waste paper fibers into a pulper to be crushed into pulp, adding PBS resin, a flame retardant and a waterproof agent into the pulp, then heating to 40-50 ℃, preserving heat in a water bath, treating for 5-8 hours, then heating to boil for 1-2min, naturally cooling to room temperature, and drying to obtain a surface paper layer;
step 5, putting the waste paper fibers into a pulper to be crushed into pulp, adding PBS resin, preservative and antibacterial agent into the pulp, then heating to 40-50 ℃, preserving heat in a water bath, treating for 5-8 hours, then heating to boil for 1-2min, naturally cooling to room temperature, and drying to obtain a lining paper layer;
step 6, spraying the dispersion liquid on the outer side of the obtained lining paper layer and drying;
step 7, taking the wavy core paper layer, coating environment-friendly adhesives on the upper and lower surfaces of the wavy core paper layer, respectively pressing a surface paper layer and an inner paper layer on the upper and lower surfaces of the wavy core paper layer, drying and cooling to obtain finished corrugated paper;
and 8, conveying the finished corrugated paper to a computer thin knife splitting machine, and splitting the finished corrugated paper into plates with uniform sizes.
7. A method for producing environment-friendly high-performance composite corrugated paper as claimed in claim 6, wherein in the step 1, the concentration of the primary diluted pulp is 14-18%, and the concentration of the secondary diluted pulp is 1.5-2.0%.
8. The method for producing environment-friendly high-performance composite corrugated paper as claimed in claim 6, wherein the specific operation of the step 6 is to dry the inner paper layer sprayed with the dispersion liquid in an oven at 200 ℃ and 180 ℃ for 30-50S, the mass percent of the dispersion liquid is 30-40%, and the spraying amount is 25-40 g/square meter.
9. The method for producing green environment-friendly high-performance composite corrugated paper as claimed in claim 6, wherein the specific operation in step 7 is to coat environment-friendly adhesives on the upper and lower surfaces of the wavy core paper layer, then respectively attach the surface paper layer and the inner paper layer on the upper and lower surfaces of the wavy core paper layer, thermally bond the wavy core paper layer and the inner paper layer at the temperature of 140 ℃ and 160 ℃ and under the pressure of 0.3-0.5MPa for 20-30s, dry and cool.
10. The method for producing the environment-friendly high-performance composite corrugated paper as claimed in claim 6, wherein the environment-friendly high-performance composite corrugated paper is applied to the manufacture of corrugated cartons.
CN202110805163.7A 2021-07-16 2021-07-16 Production method of environment-friendly high-performance composite corrugated paper Pending CN113512908A (en)

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Application publication date: 20211019