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CN106113838A - A kind of heat shrink films packaging bag for tobacco smoke and production technology thereof - Google Patents

A kind of heat shrink films packaging bag for tobacco smoke and production technology thereof Download PDF

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Publication number
CN106113838A
CN106113838A CN201610539119.5A CN201610539119A CN106113838A CN 106113838 A CN106113838 A CN 106113838A CN 201610539119 A CN201610539119 A CN 201610539119A CN 106113838 A CN106113838 A CN 106113838A
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CN
China
Prior art keywords
parts
heat shrink
shrink films
density polyethylene
tobacco smoke
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
CN201610539119.5A
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Chinese (zh)
Inventor
江龙义
江嘉
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.)
Anhui Shengda Packing Co Ltd
Original Assignee
Anhui Shengda Packing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Shengda Packing Co Ltd filed Critical Anhui Shengda Packing Co Ltd
Priority to CN201610539119.5A priority Critical patent/CN106113838A/en
Publication of CN106113838A publication Critical patent/CN106113838A/en
Pending legal-status Critical Current

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    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/4205—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups
    • C08G18/423—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing cycloaliphatic groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • B32B2307/558—Impact strength, toughness
    • 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
    • B32B2307/582—Tearability
    • B32B2307/5825—Tear resistant
    • 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
    • B32B2553/00—Packaging equipment or accessories not otherwise provided for
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/10—Transparent films; Clear coatings; Transparent materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/16—Applications used for films
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/066—LDPE (radical process)

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Wrappers (AREA)

Abstract

The invention discloses a kind of heat shrink films packaging bag for tobacco smoke and production technology thereof, relate to heat-shrinkable film technology field, for the component proportioning (weight portion) of the heat shrink films packaging bag of tobacco smoke, this kind includes that acrylate 1～3 parts, paraffin 0.2～0.6 part, stearic acid 0.2～0.6 part, PSI are by 0.2～0.6 part, high density polyethylene (HDPE) 15～20 parts, medium density polyethylene 13～20 parts, linear low density polyethylene 11～20 parts, metallocene Low Density Polyethylene 14～19 parts, adipic acid 15～18 parts etc..The invention also discloses the production technology of a kind of heat shrink films packaging bag for tobacco smoke, including preparing Transparence modifier, preparation intermediate layer raw material, preparing outer layer raw material, prepare internal layer raw material, co-extrusion machine extrusion, six processing steps of drilling forming, the most transparent good, the environmental protection of heat shrink films that this kind of method is prepared, toughness are strong, and impact resistance is also greatly improved.

Description

A kind of heat shrink films packaging bag for tobacco smoke and production technology thereof
Technical field
The present invention relates to heat-shrinkable film technology field, be specifically related to a kind of heat shrink films packaging bag for tobacco smoke and Its production technology.
Background technology
Along with economic develops rapidly, people are increasing to the heat shrink films demand of high request.Especially for Nicotiana tabacum L. The heat shrink films packaging bag of Medicated cigarette, its Main Function is to consolidate, hide and protect product.Heat shrink films bag for tobacco smoke Pack is that one is stretched orientation in process of production, and stable under room temperature, the protection against the tide that can meet commodity is dust-proof, touch-proof, saturating The functions such as bright displaying, can increase product appearance captivation again it can also be used to replace all kinds of carton, not only save packing cost, and And meet packaging trend, these products all bring great convenience to people's life, for the thermal contraction of tobacco smoke Film package bag must have higher paracentesis resistance, good contractility and shrinkage stress, and thin film can not produce hole.
Along with improving constantly of the heat shrink films packaging bag performance requirement to tobacco smoke, PVC heat shrink films gradually decreases, And various polythene PE Multi-layer co-extruded heat shrinkage film quickly grows, but the material such as these PVC, PET, PS is to degrade now , life-time service is the most serious to the pollution effects of environment, and is not easily recycled, does not meets the requirement of environmental protection, and can not drop merely The material solved is not easy to reach the shrinkage stress that the high paracentesis resistance that heat shrink films requires is become reconciled.
Summary of the invention
It is good that problem to be solved by this invention is to provide a kind of anti-microbial property, and function admirable, technique is simply to Nicotiana tabacum L. The heat shrink films packaging bag of Medicated cigarette.
To achieve these goals, the technical scheme that the present invention takes is a kind of heat for tobacco smoke of being provided The component proportioning (weight portion) of shrink film packaging bag includes: acrylate 1～3 parts, paraffin 0.2～0.6 part, stearic acid 0.2～ 0.6 part, PSI by 0.2～0.6 part, high density polyethylene (HDPE) 15～20 parts, medium density polyethylene 13～20 parts, Linear low density polyethylene 11～20 parts, metallocene Low Density Polyethylene 14～19 parts, adipic acid 15～18 parts, 1,4-hexamethylene Dimethanol 13～19 parts, antimony acetate 2～4 parts, ethoxylated fat race alkylamine 5～11 parts, isocyanates 2～6 parts, titanium dioxide Silicon 3～9 parts, stabilizer 10～16 parts.
A kind of heat shrink films packaging bag for tobacco smoke, its production technology comprises the following steps:
(1) Transparence modifier is prepared: acrylate, paraffin, stearic acid, PSI are put into temperature is 80 ～after 110 DEG C of high-speed mixer high speed stirrings, place into stirring in low speed mixer and be cooled to 30～45 DEG C.
(2) intermediate layer raw material is prepared: add adipic acid, 1,4 cyclohexane dimethanol and antimony acetate in a kettle. and carry out ester Change reaction 2h；Add stabilizer, silicon dioxide, ethoxylated fat race alkylamine, isocyanates, reactor temperature is adjusted To 280～300 DEG C and carry out high-speed stirred 1.5～3h with the mixing speed of 80～100rpm.
(3) outer layer raw material is prepared: by low to high density polyethylene (HDPE), medium density polyethylene, linear low density polyethylene, metallocene Density polyethylene mixing and stirring.
(4) prepare internal layer raw material: take out the raw material of half in step (3), and it mixed with Transparence modifier, add anti- Answer and still stirs 10～25min, reactor temperature is adjusted to 140～160 DEG C of reactions 1～2h, then is transported to twin screw Extruder, extrusion temperature is 150 DEG C.
(5) co-extrusion machine extrusion: by above-mentioned three kinds of raw material high-temperature fusion, converges to three-layer co-extruded machine extrusion.
(6) drilling forming: packaging bag automatic punch is put in the heat shrink films packaging bag that described step (5) obtains enterprising Row punching.
Preferably, the ratio between outer layer raw material and the Transparence modifier in described step (4) is 20:1.
Preferably, acrylate, paraffin, stearic acid, PSI are pressed by described step (1) 1:0.2: 0.2:0.2 weighs.
Preferably, in described step (1), the pressure of reactor is adjusted to be 0.3～0.5Mpa.
Preferably, the particle diameter of described silicon dioxide is 150～160nm.
Preferably, a diameter of 0.6cm of punching in described step (6).
Using technical scheme, the production technology of the heat shrink films packaging bag that this kind is used for tobacco smoke obtains Heat shrink films, the most transparent good, shrink uniformly, environmental protection, flexible, toughness strong, and tearing toughness is big, impact resistance Also it is greatly improved, is very suitable for the outer package for fields such as machineries.The present invention passes through setting of internal layer, intermediate layer and outer membrane Meter both can reduce the pollution to environment, can reach again the shrinkage stress that the high paracentesis resistance of heat shrink films requirement is become reconciled, and And can recycle, belong to the most appropriate environmentally friendly biomembrane.
Accompanying drawing illustrates:
Fig. 1 is the production technological process of a kind of heat shrink films packaging bag for tobacco smoke of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the preferred embodiments of the present invention are described in detail.
Embodiment 1:
A kind of heat shrink films packaging bag for tobacco smoke, the component proportioning of this kind of heat shrink films packaging bag provided (weight portion) including: acrylate 1 part, 0.2 part of paraffin, stearic acid 0.2 part, PSI are by 0.2 part, high density Polyethylene 15 parts, medium density polyethylene 13 parts, linear low density polyethylene 11 parts, metallocene Low Density Polyethylene 14 parts, oneself two Acid 15 parts, 1,4 cyclohexane dimethanol 13 parts, antimony acetate 2 parts, ethoxylated fat race alkylamine 5 parts, isocyanates 2 parts, two Silicon oxide 3 parts, stabilizer 10 parts.
A kind of heat shrink films packaging bag for tobacco smoke, described production technology follows the steps below:
(1) Transparence modifier is prepared: acrylate, paraffin, stearic acid, PSI are put into temperature is 80 After the stirring of DEG C high-speed mixer high speed, place into stirring in low speed mixer and be cooled to 30 DEG C.
(2) intermediate layer raw material is prepared: add adipic acid, 1,4 cyclohexane dimethanol and antimony acetate in a kettle. and carry out ester Change reaction 2h；Add stabilizer, silicon dioxide, ethoxylated fat race alkylamine, isocyanates, reactor temperature is adjusted Mixing speed to 280 DEG C and with 80rpm carries out high-speed stirred 1.5h.
(3) outer layer raw material is prepared: by low to high density polyethylene (HDPE), medium density polyethylene, linear low density polyethylene, metallocene Density polyethylene mixing and stirring.
(4) prepare internal layer raw material: take out the raw material of half in step (3), and it mixed with Transparence modifier, add anti- Answer stirring 10min in still, reactor temperature is adjusted to 140 DEG C of reaction 1h, then is transported to double screw extruder, extrusion temperature Degree is 150 DEG C.
(5) co-extrusion machine extrusion: by above-mentioned three kinds of raw material high-temperature fusion, converges to three-layer co-extruded machine extrusion.
(6) drilling forming: packaging bag automatic punch is put in the heat shrink films packaging bag that described step (5) obtains enterprising Row punching.
Embodiment 2:
Remaining is same as in Example 1, and difference is the described heat shrink films packaging bag for tobacco smoke, its component Proportioning (weight portion) includes that acrylate 2 parts, 0.4 part of paraffin, stearic acid 0.4 part, PSI are by 0.4 part, height Density polyethylene 17 parts, medium density polyethylene 15 parts, linear low density polyethylene 13 parts, metallocene Low Density Polyethylene 15 parts, Adipic acid 16 parts, 1,4 cyclohexane dimethanol 15 parts, antimony acetate 3 parts, ethoxylated fat race alkylamine 7 parts, isocyanates 4 Part, silicon dioxide 5 parts, stabilizer 12 parts.The whipping temp of described step (1) high speed mixer is 90 DEG C, places into low speed In mixer, stirring is cooled to 35 DEG C；The temperature of reactor is adjusted to 140 DEG C by described step (3), anti-in described step (4) The mixing time answering still is 18min, reactor temperature is adjusted to 150 DEG C of reaction 1.5h, then is transported to twin-screw extrusion Machine, extrusion temperature is 150 DEG C.
Embodiment 3:
Remaining is same as in Example 1, and difference is the described heat shrink films packaging bag for tobacco smoke, its component Proportioning (weight portion) includes that acrylate 3 parts, 0.6 part of paraffin, stearic acid 0.6 part, PSI are by 0.6 part, height Density polyethylene 20 parts, medium density polyethylene 20 parts, linear low density polyethylene 20 parts, metallocene Low Density Polyethylene 19 parts, Adipic acid 18 parts, 1,4 cyclohexane dimethanol 19 parts, antimony acetate 4 parts, ethoxylated fat race alkylamine 11 parts, isocyanates 6 Part, silicon dioxide 9 parts, stabilizer 16 parts.The whipping temp of described step (1) high speed mixer is 110 DEG C, places into low speed In mixer, stirring is cooled to 45 DEG C；The temperature of reactor is adjusted to 140 DEG C by described step (3), anti-in described step (4) The mixing time answering still is 25min, reactor temperature is adjusted to 160 DEG C of reaction 2h, then is transported to double screw extruder, Extrusion temperature is 150 DEG C.
After process above step, take out the heat shrink films packaging bag sample for tobacco smoke, to be measured:
After process above step, the heat shrink films packaging bag for tobacco smoke prepared, the most transparent good, Shrink uniformly, environmental protection, flexible, toughness strong, and tearing toughness is big, and impact resistance is also greatly improved, and is very suitable for using Outer package in fields such as machineries.The present invention both can be reduced environment by the design in internal layer, intermediate layer and outer membrane Pollute, the shrinkage stress that the high paracentesis resistance of heat shrink films requirement is become reconciled can be reached again, and can recycle, belong to relatively The most appropriate good environmentally friendly biomembrane.
Obviously the present invention implements and is not subject to the restrictions described above, as long as have employed method design and the skill of the present invention The improvement of the various unsubstantialities that art scheme is carried out, or the most improved design by the present invention and technical scheme directly apply to it Its occasion, all within protection scope of the present invention.

Claims (7)

1. the heat shrink films packaging bag for tobacco smoke, it is characterised in that: the described heat shrink films for tobacco smoke The component proportioning (weight portion) of packaging bag includes: acrylate 1～3 parts, paraffin 0.2～0.6 part, stearic acid 0.2～0.6 part, PSI by 0.2～0.6 part, high density polyethylene (HDPE) 15～20 parts, medium density polyethylene 13～20 parts, the lowest Density polyethylene 11～20 parts, metallocene Low Density Polyethylene 14～19 parts, adipic acid 15～18 parts, 1,4 cyclohexane dimethanol 13～19 parts, antimony acetate 2～4 parts, ethoxylated fat race alkylamine 5～11 parts, isocyanates 2～6 parts, silicon dioxide 3～9 Part, stabilizer 10～16 parts.
2. the heat shrink films packaging bag for tobacco smoke according to claim 1, it is characterised in that its production technology bag Include following steps:
(1) prepare Transparence modifier: acrylate, paraffin, stearic acid, PSI are put into temperature be 80～ After 110 DEG C of high-speed mixer high speed stirrings, place into stirring in low speed mixer and be cooled to 30～45 DEG C.
(2) intermediate layer raw material is prepared: add adipic acid, 1,4 cyclohexane dimethanol and antimony acetate in a kettle. and carry out esterification instead Answer 2h；Add stabilizer, silicon dioxide, ethoxylated fat race alkylamine, isocyanates, reactor temperature is adjusted to 280～300 DEG C and carry out high-speed stirred 1.5～3h with the mixing speed of 80～100rpm.
(3) outer layer raw material is prepared: by high density polyethylene (HDPE), medium density polyethylene, linear low density polyethylene, metallocene low-density Polyethylene mixing and stirring.
(4) internal layer raw material is prepared: take out the raw material of half in step (3), and it mixed with Transparence modifier, add reactor Middle stirring 10～25min, is adjusted to reactor temperature 140～160 DEG C of reactions 1～2h, then is transported to twin-screw extrusion Machine, extrusion temperature is 150 DEG C.
(5) co-extrusion machine extrusion: by above-mentioned three kinds of raw material high-temperature fusion, converges to three-layer co-extruded machine extrusion.
(6) drilling forming: the heat shrink films packaging bag that described step (5) obtains is put into and carries out on packaging bag automatic punch beating Hole.
The production technology that a kind of heat shrink films for tobacco smoke the most according to claim 1 is packed, it is characterised in that: The ratio between outer layer raw material and Transparence modifier in described step (4) is 20:1.
The production technology that a kind of heat shrink films for tobacco smoke the most according to claim 1 is packed, it is characterised in that: Acrylate, paraffin, stearic acid, PSI are weighed in (1) by described step by 1:0.2:0.2:0.2.
The production technology that a kind of heat shrink films for tobacco smoke the most according to claim 1 is packed, it is characterised in that: In described step (1), the pressure of reactor is adjusted to be 0.3～0.5Mpa.
The production technology that a kind of heat shrink films for tobacco smoke the most according to claim 1 is packed, it is characterised in that: The particle diameter of described silicon dioxide is 150～160nm.
The production technology that a kind of heat shrink films for tobacco smoke the most according to claim 1 is packed, it is characterised in that: A diameter of 0.5～2.0cm punched in described step (6).
CN201610539119.5A 2016-07-08 2016-07-08 A kind of heat shrink films packaging bag for tobacco smoke and production technology thereof Pending CN106113838A (en)

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CN1640922A (en) * 2004-01-08 2005-07-20 上海紫泉标签有限公司 High-transparency polytene thermocontracted film and producing method thereof
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