CN110820413A - Wear-resistant waterproof bobbin paper and preparation method thereof - Google Patents
Wear-resistant waterproof bobbin paper and preparation method thereof Download PDFInfo
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- CN110820413A CN110820413A CN201910927487.0A CN201910927487A CN110820413A CN 110820413 A CN110820413 A CN 110820413A CN 201910927487 A CN201910927487 A CN 201910927487A CN 110820413 A CN110820413 A CN 110820413A
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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
- 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
- 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
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
-
- 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
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/36—Inorganic fibres or flakes
- D21H13/38—Inorganic fibres or flakes siliceous
-
- 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
- D21H17/29—Starch cationic
-
- 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
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
- D21H17/42—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
- D21H17/43—Carboxyl groups or derivatives thereof
-
- 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
- D21H17/47—Condensation polymers of aldehydes or ketones
- D21H17/49—Condensation polymers of aldehydes or ketones with compounds containing hydrogen bound to nitrogen
- D21H17/51—Triazines, e.g. melamine
-
- 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
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/34—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising cellulose or derivatives thereof
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Abstract
The invention discloses wear-resistant waterproof bobbin paper and a preparation method thereof, wherein the wear-resistant waterproof bobbin paper is composed of the following components, by weight, 50-110 parts of waste paper fibers, 50-110 parts of fluff fibers, 88-125 parts of bagasse pulp, 50-70 parts of clear water, 11-17 parts of silicon dioxide, 1-9 parts of melamine formaldehyde resin, 2-13 parts of calcium carbonate, 3-8 parts of cationic starch, 3-11 parts of polyacrylamide, 1-7 parts of acrylic polyol and 4-9 parts of carboxymethyl cellulose; the wear-resistant waterproof bobbin paper adopts bagasse pulp, fluff fiber and waste paper fiber as raw materials, so that the production cost is greatly reduced; the raw wood pulp is not used, the waste is adopted for reproduction, the pollution to the environment is further reduced, and the bobbin paper cut into the yarn is more easily degraded after being used, so that the environment is protected; the adopted fiber raw materials contain rich fibers, and the paper made of the fiber raw materials has very good compression resistance, tensile strength, bending degree and waterproof performance; the polyacrylamide, acrylic polyol and carboxymethyl cellulose are used as sizing materials, so that the waterproofness and the wear resistance are greatly improved.
Description
Technical Field
The invention relates to wear-resistant waterproof bobbin paper and a preparation method thereof.
Background
The bobbin paper is mainly applied to the manufacture of inner cores and pipelines, industrial pipes, mulching film pipes, firework pipes, textile pipes, spiral pipes, cone pipes, parallel pipes, various paper corner protectors, paper boxes, honeycomb paperboards and the like, the required pulp cost of the bobbin paper is lower than that of other types of paper, most of the bobbin paper is manufactured by various waste paper pulps or biological raw material pulps, tree raw pulp is not needed, the main application of the bobbin paper is not used in a high-requirement environment, therefore, the requirement of the bobbin paper on raw materials and a manufacturing process is not high, some waste residues and waste paper can be reprocessed for use, the production cost is reduced, the consumption of logs can be reduced, and the environment is protected. However, some manufacturers add various fillers to the slurry and add them at will in order to further reduce the cost, so that the paper quality of the produced bobbin becomes very poor and the grade becomes low.
Disclosure of Invention
The invention aims to solve the technical problem of providing wear-resistant waterproof bobbin paper with low production cost and good product quality.
In order to solve the problems, the invention is realized by the following technical scheme: the wear-resistant waterproof bobbin paper comprises, by weight, 50-110 parts of waste paper fibers, 50-110 parts of fluff fibers, 88-125 parts of bagasse pulp, 50-70 parts of clear water, 11-17 parts of silicon dioxide, 1-9 parts of melamine formaldehyde resin, 2-13 parts of calcium carbonate, 3-8 parts of cationic starch, 3-11 parts of polyacrylamide, 1-7 parts of acrylic polyol and 4-9 parts of carboxymethyl cellulose.
The invention aims to solve another technical problem of providing a preparation method of wear-resistant waterproof bobbin paper,
the invention is realized by the following technical scheme: the preparation process of the wear-resistant waterproof bobbin paper comprises the following steps:
1) 50-110 parts of waste paper fiber, 50-110 parts of fluff fiber, 88-125 parts of bagasse pulp, 50-70 parts of clear water and 11-17 parts of silicon dioxide are extracted according to the weight parts, the mixture is crushed and pulped, the concentration of the pulp is 4.5-6.5%, and the beating degree is 23-26 DEG SR.
2) 1-9 parts of melamine formaldehyde resin, 2-13 parts of calcium carbonate and 3-8 parts of cationic starch are extracted according to the weight part ratio, added into the slurry in the step 1 and uniformly stirred, and the whiteness of the paper is 10-15 ISO;
3) carrying out net part forming treatment on the slurry obtained in the step 2;
4) 3-11 parts of polyacrylamide, 1-7 parts of acrylic polyol and 4-9 parts of carboxymethyl cellulose are extracted according to the weight part ratio to carry out surface sizing on the paper formed in the step 3;
5) pressing and drying the formed pulp in the step 4 by a drying cylinder;
6) and (5) carrying out soft press polishing treatment on the base paper dried in the step (5) and then coiling to obtain the finished wear-resistant waterproof bobbin paper.
The wear-resistant waterproof bobbin paper has the beneficial effects that: the wear-resistant waterproof bobbin paper adopts bagasse pulp, fluff fiber and waste paper fiber as raw materials, so that the production cost is greatly reduced; the raw wood pulp is not used, the waste is adopted for reproduction, the pollution to the environment is further reduced, and the bobbin paper cut into the yarn is more easily degraded after being used, so that the environment is protected; the adopted fiber raw materials contain rich fibers, and the paper made of the fiber raw materials has very good compression resistance, tensile strength, bending degree and waterproof performance; the polyacrylamide, acrylic polyol and carboxymethyl cellulose are used as sizing materials, so that the waterproofness and the wear resistance are greatly improved.
Detailed Description
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1
The wear-resistant waterproof bobbin paper comprises, by weight, 50 parts of waste paper fibers, 50 parts of fluff fibers, 88 parts of bagasse pulp, 50 parts of clear water, 11 parts of silicon dioxide, 1 part of melamine formaldehyde resin, 2 parts of calcium carbonate, 3 parts of cationic starch, 3 parts of polyacrylamide, 1 part of acrylic polyol and 4 parts of carboxymethyl cellulose.
The preparation process of the wear-resistant waterproof bobbin paper comprises the following steps:
1) extracting 50 parts of waste paper fiber, 50 parts of fluff fiber, 88 parts of bagasse pulp, 50 parts of clear water and 11 parts of silicon dioxide according to the weight parts, crushing and pulping, wherein the concentration of the pulp is 4.5-6.5%, and the beating degree is 23-26 degrees SR.
2) Extracting 1 part of melamine formaldehyde resin, 2 parts of calcium carbonate and 3 parts of cationic starch according to the weight part ratio, adding into the slurry obtained in the step 1, and uniformly stirring, wherein the whiteness of the paper is 10-15 ISO;
3) carrying out net part forming treatment on the slurry obtained in the step 2;
4) 3 parts of polyacrylamide, 1 part of acrylic polyol and 4 parts of carboxymethyl cellulose are extracted according to the weight part ratio to carry out surface sizing on the paper formed in the step 3;
5) pressing and drying the formed pulp in the step 4 by a drying cylinder;
6) and (5) carrying out soft press polishing treatment on the base paper dried in the step (5) and then coiling to obtain the finished wear-resistant waterproof bobbin paper.
Example 2
The wear-resistant waterproof bobbin paper is different from the embodiment 1 in that the wear-resistant waterproof bobbin paper is composed of, by weight, 110 parts of waste paper fibers, 110 parts of fluff fibers, 125 parts of bagasse pulp, 70 parts of clear water, 17 parts of silicon dioxide, 9 parts of melamine formaldehyde resin, 13 parts of calcium carbonate, 8 parts of cationic starch, 11 parts of polyacrylamide, 7 parts of acrylic polyol and 9 parts of carboxymethyl cellulose.
Example 3
The wear-resistant waterproof bobbin paper is different from the embodiment 1 in that the wear-resistant waterproof bobbin paper is composed of, by weight, 77 parts of waste paper fibers, 66 parts of fluff fibers, 111 parts of bagasse pulp, 60 parts of clear water, 14 parts of silicon dioxide, 5 parts of melamine formaldehyde resin, 6 parts of calcium carbonate, 5 parts of cationic starch, 8 parts of polyacrylamide, 4 parts of acrylic polyol and 6 parts of carboxymethyl cellulose.
Example 4
The wear-resistant waterproof bobbin paper is different from the embodiment 1 in that the wear-resistant waterproof bobbin paper is composed of 53 parts of waste paper fibers, 61 parts of fluff fibers, 93 parts of bagasse pulp, 57 parts of clear water, 12 parts of silicon dioxide, 2 parts of melamine formaldehyde resin, 4 parts of calcium carbonate, 4 parts of cationic starch, 4 parts of polyacrylamide, 2 parts of acrylic polyol and 5 parts of carboxymethyl cellulose in parts by weight.
Example 5
The wear-resistant waterproof bobbin paper is different from the embodiment 1 in that the wear-resistant waterproof bobbin paper is composed of the following components, by weight, 102 parts of waste paper fibers, 100 parts of fluff fibers, 121 parts of bagasse pulp, 67 parts of clear water, 16 parts of silicon dioxide, 7 parts of melamine formaldehyde resin, 11 parts of calcium carbonate, 6 parts of cationic starch, 9 parts of polyacrylamide, 7 parts of acrylic polyol and 8 parts of carboxymethyl cellulose.
Example 6
The wear-resistant waterproof bobbin paper is different from the embodiment 1 in that the wear-resistant waterproof bobbin paper is composed of, by weight, 85 parts of waste paper fibers, 69 parts of wool fibers, 99 parts of bagasse pulp, 54 parts of clear water, 15 parts of silicon dioxide, 3 parts of melamine formaldehyde resin, 8 parts of calcium carbonate, 4 parts of cationic starch, 11 parts of polyacrylamide, 3 parts of acrylic polyol and 6 parts of carboxymethyl cellulose.
Example 7
The wear-resistant waterproof bobbin paper is different from the embodiment 1 in that the wear-resistant waterproof bobbin paper is composed of 75 parts by weight of waste paper fibers, 80 parts by weight of fluff fibers, 90 parts by weight of bagasse pulp, 60 parts by weight of clear water, 15 parts by weight of silicon dioxide, 5 parts by weight of melamine formaldehyde resin, 10 parts by weight of calcium carbonate, 5 parts by weight of cationic starch, 5 parts by weight of polyacrylamide, 5 parts by weight of acrylic polyol and 5 parts by weight of carboxymethyl cellulose.
Example 8
The wear-resistant waterproof bobbin paper is different from the embodiment 1 in that the wear-resistant waterproof bobbin paper is composed of, by weight, 107 parts of waste paper fibers, 56 parts of fluff fibers, 117 parts of bagasse pulp, 52 parts of clear water, 17 parts of silicon dioxide, 2.5 parts of melamine formaldehyde resin, 4 parts of calcium carbonate, 3.8 parts of cationic starch, 7 parts of polyacrylamide, 2.7 parts of acrylic polyol and 6.3 parts of carboxymethyl cellulose.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products similar or identical to the present invention, which can be obtained by anyone based on the teaching of the present invention, fall within the protection scope of the present invention.
Claims (2)
1. A wear-resistant waterproof bobbin paper and a preparation method thereof are characterized in that: the wear-resistant waterproof bobbin paper comprises, by weight, 50-110 parts of waste paper fibers, 50-110 parts of fluff fibers, 88-125 parts of bagasse pulp, 50-70 parts of clear water, 11-17 parts of silicon dioxide, 1-9 parts of melamine formaldehyde resin, 2-13 parts of calcium carbonate, 3-8 parts of cationic starch, 3-11 parts of polyacrylamide, 1-7 parts of acrylic polyol and 4-9 parts of carboxymethyl cellulose.
2. A method for preparing the wear-resistant waterproof bobbin paper of claim 1, which is characterized by comprising the following steps: the method comprises the following steps:
1) 50-110 parts of waste paper fiber, 50-110 parts of fluff fiber, 88-125 parts of bagasse pulp, 50-70 parts of clear water and 11-17 parts of silicon dioxide are extracted according to the weight parts, the mixture is crushed and pulped, the concentration of the pulp is 4.5-6.5%, and the beating degree is 23-26 DEG SR.
2) 1-9 parts of melamine formaldehyde resin, 2-13 parts of calcium carbonate and 3-8 parts of cationic starch are extracted according to the weight part ratio, added into the slurry in the step 1 and uniformly stirred, and the whiteness of the paper is 10-15 ISO;
3) carrying out net part forming treatment on the slurry obtained in the step 2;
4) 3-11 parts of polyacrylamide, 1-7 parts of acrylic polyol and 4-9 parts of carboxymethyl cellulose are extracted according to the weight part ratio to carry out surface sizing on the paper formed in the step 3;
5) pressing and drying the formed pulp in the step 4 by a drying cylinder;
6) and (5) carrying out soft press polishing treatment on the base paper dried in the step (5) and then coiling to obtain the finished wear-resistant waterproof bobbin paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910927487.0A CN110820413A (en) | 2019-09-27 | 2019-09-27 | Wear-resistant waterproof bobbin paper and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910927487.0A CN110820413A (en) | 2019-09-27 | 2019-09-27 | Wear-resistant waterproof bobbin paper and preparation method thereof |
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| CN110820413A true CN110820413A (en) | 2020-02-21 |
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| CN201910927487.0A Pending CN110820413A (en) | 2019-09-27 | 2019-09-27 | Wear-resistant waterproof bobbin paper and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609508A (en) * | 2020-11-03 | 2021-04-06 | 义乌市义南纸业有限公司 | Flame-retardant wear-resistant high-strength bobbin paper and preparation method thereof |
| WO2022036300A1 (en) * | 2020-08-14 | 2022-02-17 | The United States Of America, As Represented By The Secretary Of Agriculture | Moisture/oil-resistant fiber/starch composite materials |
| CN114541178A (en) * | 2022-02-25 | 2022-05-27 | 德清县华康纸业有限公司 | Method and equipment for manufacturing water-resistant bobbin paper |
| CN115182194A (en) * | 2022-07-08 | 2022-10-14 | 江苏中凯纸业有限公司 | Wear-resistant waterproof bobbin paper and processing technology thereof |
| CN116427208A (en) * | 2023-03-22 | 2023-07-14 | 江苏茂森纸业有限公司 | Processing technology of high-strength wear-resistant bobbin base paper |
-
2019
- 2019-09-27 CN CN201910927487.0A patent/CN110820413A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022036300A1 (en) * | 2020-08-14 | 2022-02-17 | The United States Of America, As Represented By The Secretary Of Agriculture | Moisture/oil-resistant fiber/starch composite materials |
| CN112609508A (en) * | 2020-11-03 | 2021-04-06 | 义乌市义南纸业有限公司 | Flame-retardant wear-resistant high-strength bobbin paper and preparation method thereof |
| CN114541178A (en) * | 2022-02-25 | 2022-05-27 | 德清县华康纸业有限公司 | Method and equipment for manufacturing water-resistant bobbin paper |
| CN115182194A (en) * | 2022-07-08 | 2022-10-14 | 江苏中凯纸业有限公司 | Wear-resistant waterproof bobbin paper and processing technology thereof |
| CN115182194B (en) * | 2022-07-08 | 2023-09-15 | 江苏中凯纸业有限公司 | Wear-resistant waterproof bobbin paper and processing technology thereof |
| CN116427208A (en) * | 2023-03-22 | 2023-07-14 | 江苏茂森纸业有限公司 | Processing technology of high-strength wear-resistant bobbin base paper |
| CN116427208B (en) * | 2023-03-22 | 2024-01-09 | 江苏茂森纸业有限公司 | Processing technology of high-strength wear-resistant bobbin base paper |
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