CN108329863A - A kind of processing technology of high-performance shrink film - Google Patents
A kind of processing technology of high-performance shrink film Download PDFInfo
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- CN108329863A CN108329863A CN201810261113.5A CN201810261113A CN108329863A CN 108329863 A CN108329863 A CN 108329863A CN 201810261113 A CN201810261113 A CN 201810261113A CN 108329863 A CN108329863 A CN 108329863A
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F291/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F291/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00
- C08F291/06—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00 on to oxygen-containing macromolecules
- C08F291/08—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00 on to oxygen-containing macromolecules on to macromolecules containing hydroxy radicals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F291/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00
- C08F291/12—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00 on to nitrogen-containing macromolecules
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L65/00—Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Compositions of derivatives of such polymers
- C08L65/02—Polyphenylenes
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- 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
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- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
- C09J2301/162—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer the carrier being a laminate constituted by plastic layers only
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- 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
- C09J2423/00—Presence of polyolefin
- C09J2423/04—Presence of homo or copolymers of ethene
- C09J2423/046—Presence of homo or copolymers of ethene in the substrate
-
- 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
- C09J2465/00—Presence of polyphenylene
- C09J2465/006—Presence of polyphenylene in the substrate
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Wrappers (AREA)
- Packages (AREA)
Abstract
The invention discloses a kind of processing technologys of high-performance shrink film, including shrinking membrane body, the contraction membrane body includes comprehensive elastic composite layer, high permeability film layer and viscose glue high temperature resistant binder course, the lower layer of the comprehensive elastic composite layer is equipped with high permeability film layer, the lower layer of the high permeability film layer is equipped with viscose glue high temperature resistant binder course, the overall weight accounting of the high permeability film layer is set as 35 55%, the weight accounting of the comprehensive elastic composite layer is set as 15 25%, the weight accounting of the viscose glue high temperature resistant binder course is set as 10 20%, the thickness control of the comprehensive elastic composite layer is in 4 10um, the thickness control of the viscose glue high temperature resistant binder course is in 6 14um.The effect of the contraction membrane body that the present invention makes, its low-temperature shrink is very good, its shrinkage temperature is almost as PVC shrink films, while contraction speed is very fast, and sealing-strength is good, and use scope is wider.
Description
Technical field
The present invention relates to plastic foil processing technique fields, and in particular to a kind of high-performance shrink film and its processing technology and its
Preparation method.
Background technology
Shrinkable film has higher paracentesis resistance, good shrinkage and certain shrinkage stress.It is mainly used for various
The sale of product and transportational process, for consolidating, covering and protecting product.It is beautiful to shrink-wrap not only appearance, Er Qieqi
To moisture-proof, dust-proof, loosening, antitheft, the effect of set.Shrink film is widely used in：Food, drug, sterilizing dinnerware, style are used
The outer packing of product, process gift, printed matter, hardware plastic products, telephone set, electronic apparatus etc. various products, especially exists
In terms of combined type (boundling) packaging of anomalistic object article or commodity, can meet commodity it is moisture-proof it is dust-proof, touch-proof substitute for another surreptitiously,
The functions such as transparent display, and product appearance attraction can be increased, it can also be used to instead of all kinds of cartons, packing cost is not only saved,
And meet packaging trend shrink films (bag) can be processed into：The Special-shaped bags such as flat mouth bag, arc-shaped bag, trapezoidal bag, stereoscopic bag
Son.
Traditional shrink film shrinking percentage is relatively low, and the time shunk is longer, and the temperature shunk is suitble to section smaller,
These problems are domestic at present not to be solved systematically, while traditional technique high processing costs, not environmentally friendly enough.Therefore, it develops
A kind of a kind of processing technology of new high-performance shrink film, has great importance.
Invention content
The purpose of the present invention is to provide a kind of processing technologys of high-performance shrink film, solve proposed in background technology
The problem of.
To solve the above problems, the present invention provides the following technical solutions：A kind of processing technology of high-performance shrink film, including
Membrane body is shunk, the contraction membrane body includes comprehensive elastic composite layer, high permeability film layer and viscose glue high temperature resistant binder course, described
The lower layer of comprehensive elastic composite layer is equipped with high permeability film layer, and the lower layer of the high permeability film layer is equipped with viscose glue high temperature resistant binder course,
The overall weight accounting of the high permeability film layer is set as 35-55%, and the weight accounting of the comprehensive elastic composite layer is set as 15-
25%, the weight accounting of the viscose glue high temperature resistant binder course is set as 10-20%, and the thickness control of the comprehensive elastic composite layer is in 4-
10um, the thickness control of the viscose glue high temperature resistant binder course is in 6-14um.
As present invention further optimization mode, it is described shrink membrane body specific production process include hereinafter,
One, comprehensive elastic composite layer, high permeability film layer and viscose glue high temperature resistant binder course are produced respectively；
Two, polyester catalyst is configured, and is stored；
Three, will produce respectively comprehensive elastic composite layer, high permeability film layer and viscose glue high temperature resistant binder course and polyester catalyst by
According to 1:0.7:0.9:0.01 ratio high temperature is sufficiently mixed；
Four, the mixture in step 3 being sputtered at by way of magnetron sputtering on processing seat stand, controlled atmosphere selects nitrogen,
Thickness control is processed in 18-32um, processing temperature controls at 180 DEG C, carries out being wound into column after processing is completed, then carry out close
Package fills.
As present invention further optimization mode, the polyester catalyst making includes following preparation process：
（1）Titanate esters, phthalic acid and ethylene glycol are added in the reaction kettle with distilling apparatus, clarified solution is mixed to form,
And stir 5min；
（2）It is heated to 100-120 DEG C under nitrogen protection, heating process will produce white solid, and distill out by-product；
（3）After reaction 7 hours, phosphate is added, the reaction was continued at 160-180 DEG C 6-12h eventually forms milky slurry,
The milky slurry is polyester catalyst final product mix.
As present invention further optimization mode, the raw material of the comprehensive elastic composite layer includes polyamide 6 part, polyamides
11 parts of amine, 12 parts of ethylene-vinyl alcohol copolymer, 20 parts of polypropylene, 15 parts of butyl acrylate, 45 parts of divinyl aldehydic acid.
As present invention further optimization mode, the specific make step of the comprehensive elastic composite layer include it is as follows,
A. above-mentioned raw materials are weighed according to weight grams；
B. monomer material is sequentially poured into agitator tank and is mixed, control temperature reaches 120 DEG C, and time control was at 5 hours
Within；
C. after the completion of mixing, stop stirring, kept the temperature, temperature is controlled at 140 DEG C, and when PH is down to 7,2.4g hydroxides are added
Sodium solution is mixed, and when PH is down to 7, can integrally be discharged.
As present invention further optimization mode, the viscose glue high temperature resistant binder course includes 12 parts of polyvinyl resin, acid
10 parts of improved polyalkene, 11 parts of Vinylidene Chloride, 12 parts of chlorinated rubber, 19 parts of neoprene latex, 6 parts of epoxy resin and phenolic aldehyde tree
8 parts of fat.
As present invention further optimization mode, the viscose glue high temperature resistant combination layer manufacturing method thereof includes the following steps：
S1 weighs above-mentioned raw materials according to parts by weight；
Solid polyvinyl resin, acid modified polyolefin, Vinylidene Chloride are utilized pulverizer, are fully crushed, be crushed by S2
After screened, control particle diameter size between 3-9um；
S3, by chlorinated rubber, neoprene latex, epoxy resin and phenolic resin addition mix, be added a small amount of moisture into
Row is mixed, and control temperature reaches 120 DEG C, and time control is within 2.5 hours；
S4 after the completion of mixing, stops stirring, pours argon gas as protective gas, 4-6h is added at 160-240 DEG C, then empty
It is cooled to room temperature, adds 80 parts of water, 2-3.5h is stirred at 200-280 DEG C, with strainer filtering, stand 10 minutes, obtains strong
The viscous glutinous binding mixture of power.
As present invention further optimization mode, the specific material of the high permeability film layer includes glycol-modified poly- pair
The mixture of 18 parts of benzene, 2 parts of naphthalate copolymer 1,16 parts of 10 parts of ethylene acrylic acid co polymer, polyethylene compositions,
The high permeability film layer processes thickness control in 2-8um.
Compared with prior art, beneficial effects of the present invention are as follows：
The contraction membrane body of the present invention can solve the problems, such as to encounter in more contraction process, and the effect of its low-temperature shrink is very good,
Its shrinkage temperature is almost as PVC shrink films, while contraction speed is very fast, and sealing-strength is good, and shrinking percentage can reach
To 70% or more, so high-performance shrink film can reach perfect packaging effect in the worst case, while also having heat sliding
Function, at 120 degree, perfection contraction, the extensive shrinkage temperature range of 110 degree -180 degree, 1.5 seconds rapid desufflations are fabulous
Shrinking percentage, sealing temperature is low, and high intensity sealing, tearing strength is high, low-temperature shrink power performance, and good hot slip can be with after contraction
Electrostatic seals, and entire processing technology is more environmentally friendly, is worthy to be popularized.
Description of the drawings
Fig. 1 is shrink film body construction schematic diagram of the present invention.
Such as figure：1- integrates elastic composite layer, 2- high permeability film layers, 3- viscose glue high temperature resistant binder courses.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution, a kind of processing technology of high-performance shrink film, including shrink
Membrane body, the contraction membrane body include comprehensive elastic composite layer, high permeability film layer and viscose glue high temperature resistant binder course, the synthesis
The lower layer of elastic composite layer is equipped with high permeability film layer, and the lower layer of the high permeability film layer is equipped with viscose glue high temperature resistant binder course, described
The overall weight accounting of high permeability film layer is set as 35-55%, and the weight accounting of the comprehensive elastic composite layer is set as 15-25%, institute
The weight accounting for stating viscose glue high temperature resistant binder course is set as 10-20%, the thickness control of the comprehensive elastic composite layer in 4-10um,
The thickness control of the viscose glue high temperature resistant binder course is in 6-14um.
It is described shrink membrane body specific production process include hereinafter,
One, comprehensive elastic composite layer, high permeability film layer and viscose glue high temperature resistant binder course are produced respectively；
Two, polyester catalyst is configured, and is stored；
Three, will produce respectively comprehensive elastic composite layer, high permeability film layer and viscose glue high temperature resistant binder course and polyester catalyst by
According to 1:0.7:0.9:0.01 ratio high temperature is sufficiently mixed；
Four, the mixture in step 3 being sputtered at by way of magnetron sputtering on processing seat stand, controlled atmosphere selects nitrogen,
Thickness control is processed in 18-32um, processing temperature controls at 180 DEG C, carries out being wound into column after processing is completed, then carry out close
Package fills.
The polyester catalyst making includes following preparation process：
（1）Titanate esters, phthalic acid and ethylene glycol are added in the reaction kettle with distilling apparatus, clarified solution is mixed to form,
And stir 5min；
（2）It is heated to 100-120 DEG C under nitrogen protection, heating process will produce white solid, and distill out by-product；
（3）After reaction 7 hours, phosphate is added, the reaction was continued at 160-180 DEG C 6-12h eventually forms milky slurry,
The milky slurry is polyester catalyst final product mix.
The raw material of the comprehensive elastic composite layer includes polyamide 6 part, 11 parts of polyamide, ethylene-vinyl alcohol copolymer 12
Part, 20 parts of polypropylene, 15 parts of butyl acrylate, 45 parts of divinyl aldehydic acid.
The specific make step of the comprehensive elastic composite layer include it is as follows,
A. above-mentioned raw materials are weighed according to weight grams；
B. monomer material is sequentially poured into agitator tank and is mixed, control temperature reaches 120 DEG C, and time control was at 5 hours
Within；
C. after the completion of mixing, stop stirring, kept the temperature, temperature is controlled at 140 DEG C, and when PH is down to 7,2.4g hydroxides are added
Sodium solution is mixed, and when PH is down to 7, can integrally be discharged.
The viscose glue high temperature resistant binder course include 12 parts of polyvinyl resin, 10 parts of acid modified polyolefin, 11 parts of Vinylidene Chloride,
8 parts of 12 parts of chlorinated rubber, 19 parts of neoprene latex, 6 parts of epoxy resin and phenolic resin.
The viscose glue high temperature resistant combination layer manufacturing method thereof includes the following steps：
S1 weighs above-mentioned raw materials according to parts by weight；
Solid polyvinyl resin, acid modified polyolefin, Vinylidene Chloride are utilized pulverizer, are fully crushed, be crushed by S2
After screened, control particle diameter size between 3-9um；
S3, by chlorinated rubber, neoprene latex, epoxy resin and phenolic resin addition mix, be added a small amount of moisture into
Row is mixed, and control temperature reaches 120 DEG C, and time control is within 2.5 hours；
S4 after the completion of mixing, stops stirring, pours argon gas as protective gas, 4-6h is added at 160-240 DEG C, then empty
It is cooled to room temperature, adds 80 parts of water, 2-3.5h is stirred at 200-280 DEG C, with strainer filtering, stand 10 minutes, obtains strong
The viscous glutinous binding mixture of power.
The specific material of the high permeability film layer includes glycol-modified poly- to 18 parts of benzene, naphthalate copolymer
12 parts, the mixtures of 10 parts of ethylene acrylic acid co polymer, 16 parts of polyethylene composition, the high permeability film layer processing thickness control exist
2-8um。
To sum up, contraction membrane body of the invention can solve the problems, such as to encounter in more contraction process, the effect of its low-temperature shrink
Fruit is very good, its shrinkage temperature is almost as PVC shrink films, while contraction speed is very fast, and sealing-strength is good, shrinks
Rate can reach 70% or more, so high-performance shrink film can reach perfect packaging effect in the worst case, simultaneously also
Have the function of that heat is sliding, perfection contraction, the extensive shrinkage temperature range of 110 degree -180 degree, 1.5 seconds quick receipts at 120 degree
Contracting, fabulous shrinking percentage, sealing temperature is low, and high intensity sealing, tearing strength is high, low-temperature shrink power performance, good heat after contraction
Slip can be sealed with electrostatic, and entire processing technology is more environmentally friendly, is worthy to be popularized.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (8)
1. a kind of high-performance shrink film, including shrink membrane body, it is characterised in that：The contraction membrane body includes that comprehensive elasticity is multiple
Layer, high permeability film layer and viscose glue high temperature resistant binder course are closed, the lower layer of the comprehensive elastic composite layer is equipped with high permeability film layer, described
The lower layer of high permeability film layer is equipped with viscose glue high temperature resistant binder course, and the overall weight accounting of the high permeability film layer is set as 35-55%,
The weight accounting of the comprehensive elastic composite layer is set as 15-25%, and the weight accounting of the viscose glue high temperature resistant binder course is set as 10-
20%, the thickness control of the comprehensive elastic composite layer is in 4-10um, and the thickness control of the viscose glue high temperature resistant binder course is in 6-
14um。
2. a kind of processing technology of high-performance shrink film according to claim 1, it is characterised in that：Specific production process packet
Include hereinafter,
One, comprehensive elastic composite layer, high permeability film layer and viscose glue high temperature resistant binder course are produced respectively；
Two, polyester catalyst is configured, and is stored；
Three, will produce respectively comprehensive elastic composite layer, high permeability film layer and viscose glue high temperature resistant binder course and polyester catalyst by
According to 1:0.7:0.9:0.01 ratio high temperature is sufficiently mixed；
Four, the mixture in step 3 being sputtered at by way of magnetron sputtering on processing seat stand, controlled atmosphere selects nitrogen,
Thickness control is processed in 18-32um, processing temperature controls at 180 DEG C, carries out being wound into column after processing is completed, then carry out close
Package fills.
3. a kind of processing technology of high-performance shrink film according to claim 1, it is characterised in that：The polyester catalyst
Making includes following preparation process：
（1）Titanate esters, phthalic acid and ethylene glycol are added in the reaction kettle with distilling apparatus, clarified solution is mixed to form,
And stir 5min；
（2）It is heated to 100-120 DEG C under nitrogen protection, heating process will produce white solid, and distill out by-product；
（3）After reaction 7 hours, phosphate is added, the reaction was continued at 160-180 DEG C 6-12h eventually forms milky slurry,
The milky slurry is polyester catalyst final product mix.
4. a kind of processing technology of high-performance shrink film according to claim 1, it is characterised in that：The comprehensive elasticity is multiple
The raw material for closing layer includes polyamide 6 part, 11 parts of polyamide, 12 parts of ethylene-vinyl alcohol copolymer, 20 parts of polypropylene, acrylic acid fourth
15 parts of ester, 45 parts of divinyl aldehydic acid.
5. a kind of processing technology of high-performance shrink film according to claim 4, it is characterised in that：The comprehensive elasticity is multiple
Close layer specific make step include it is as follows,
A. above-mentioned raw materials are weighed according to weight grams；
B. monomer material is sequentially poured into agitator tank and is mixed, control temperature reaches 120 DEG C, and time control was at 5 hours
Within；
C. after the completion of mixing, stop stirring, kept the temperature, temperature is controlled at 140 DEG C, and when PH is down to 7,2.4g hydroxides are added
Sodium solution is mixed, and when PH is down to 7, can integrally be discharged.
6. a kind of processing technology of high-performance shrink film according to claim 1, it is characterised in that：The viscose glue high temperature resistant
Binder course includes 12 parts of polyvinyl resin, 10 parts of acid modified polyolefin, 11 parts of Vinylidene Chloride, 12 parts of chlorinated rubber, neoprene
8 parts of 19 parts of lotion, 6 parts of epoxy resin and phenolic resin.
7. a kind of processing technology of high-performance shrink film according to claim 6, it is characterised in that：The viscose glue high temperature resistant
Include the following steps in conjunction with layer manufacturing method thereof：
S1 weighs above-mentioned raw materials according to parts by weight；
Solid polyvinyl resin, acid modified polyolefin, Vinylidene Chloride are utilized pulverizer, are fully crushed, be crushed by S2
After screened, control particle diameter size between 3-9um；
S3, by chlorinated rubber, neoprene latex, epoxy resin and phenolic resin addition mix, be added a small amount of moisture into
Row is mixed, and control temperature reaches 120 DEG C, and time control is within 2.5 hours；
S4 after the completion of mixing, stops stirring, pours argon gas as protective gas, 4-6h is added at 160-240 DEG C, then empty
It is cooled to room temperature, adds 80 parts of water, 2-3.5h is stirred at 200-280 DEG C, with strainer filtering, stand 10 minutes, obtains strong
The viscous glutinous binding mixture of power.
8. a kind of processing technology of high-performance shrink film according to claim 1, it is characterised in that：The high permeability film layer
Specific material include glycol-modified poly- to 18 parts of benzene, 2 parts of naphthalate copolymer 1, ethylene acrylic acid co polymer
16 parts of 10 parts, polyethylene mixtures constituted, the high permeability film layer process thickness control in 2-8um.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114905729A (en) * | 2022-05-25 | 2022-08-16 | 孔繁周 | Method for manufacturing special functional shrink film for flame spray gun |
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| CN107513154A (en) * | 2017-09-14 | 2017-12-26 | 江苏景宏新材料科技有限公司 | A kind of titanium series polyester catalyst and its method for producing copolyesters |
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2018
- 2018-03-28 CN CN201810261113.5A patent/CN108329863A/en active Pending
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|---|---|---|---|---|
| CN101306593A (en) * | 2008-07-07 | 2008-11-19 | 苏州天加新材料有限公司 | Multilayer coextruding pyrocondensation film |
| CN104608443A (en) * | 2014-11-26 | 2015-05-13 | 界首市天鸿包装材料有限公司 | Processing technology for heat shrinkable film |
| CN205291801U (en) * | 2016-01-15 | 2016-06-08 | 卫辉市银金达薄膜有限公司 | Thermal contraction nature E -PET complex film |
| CN107513154A (en) * | 2017-09-14 | 2017-12-26 | 江苏景宏新材料科技有限公司 | A kind of titanium series polyester catalyst and its method for producing copolyesters |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114905729A (en) * | 2022-05-25 | 2022-08-16 | 孔繁周 | Method for manufacturing special functional shrink film for flame spray gun |
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Application publication date: 20180727 |