CN102380998B - A kind of polyvinylidene chloride of resistance to boiling coated thin film and manufacture method thereof - Google Patents
A kind of polyvinylidene chloride of resistance to boiling coated thin film and manufacture method thereof Download PDFInfo
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- CN102380998B CN102380998B CN201110202562.0A CN201110202562A CN102380998B CN 102380998 B CN102380998 B CN 102380998B CN 201110202562 A CN201110202562 A CN 201110202562A CN 102380998 B CN102380998 B CN 102380998B
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- 229920001328 Polyvinylidene chloride Polymers 0.000 title claims abstract description 54
- 239000005033 polyvinylidene chloride Substances 0.000 title claims abstract description 54
- 238000009835 boiling Methods 0.000 title claims abstract description 53
- 239000010409 thin film Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 50
- 239000011248 coating agent Substances 0.000 claims abstract description 42
- 239000000839 emulsion Substances 0.000 claims abstract description 35
- 239000010408 film Substances 0.000 claims abstract description 30
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 23
- 238000002156 mixing Methods 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 20
- 229920000131 polyvinylidene Polymers 0.000 claims abstract description 19
- 238000012986 modification Methods 0.000 claims abstract description 13
- 230000004048 modification Effects 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical group ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000004816 latex Substances 0.000 claims abstract description 9
- 229920000126 latex Polymers 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims abstract description 4
- 239000004814 polyurethane Substances 0.000 claims description 16
- 229920002635 polyurethane Polymers 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 235000011194 food seasoning agent Nutrition 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 6
- 239000004203 carnauba wax Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000003851 corona treatment Methods 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000002981 blocking agent Substances 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 230000002457 bidirectional effect Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000007865 diluting Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims description 2
- 229920006284 nylon film Polymers 0.000 claims description 2
- 229920006267 polyester film Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 230000001954 sterilising effect Effects 0.000 abstract description 6
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 6
- 235000013305 food Nutrition 0.000 abstract description 4
- 238000004806 packaging method and process Methods 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 231100000252 nontoxic Toxicity 0.000 abstract description 2
- 230000003000 nontoxic effect Effects 0.000 abstract description 2
- 235000021485 packed food Nutrition 0.000 abstract description 2
- 238000001035 drying Methods 0.000 description 5
- 230000029087 digestion Effects 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000011127 biaxially oriented polypropylene Substances 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229920006378 biaxially oriented polypropylene Polymers 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 235000021393 food security Nutrition 0.000 description 1
- 235000013622 meat product Nutrition 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The present invention relates to a kind of polyvinylidene chloride of resistance to boiling coated thin film and manufacture method thereof, comprise the dope layer of base material and substrate surface, primer layer is had between dope layer and base material, described dope layer is the modified polyvinilidene dichloroethylene coating formed after primer layer surface is also dried by the polyvinylidene chloride of the resistance to boiling latex-coating obtained by modification, the described polyvinylidene chloride of resistance to boiling latex is mixed with by the raw material containing following weight content: polyvinylidene chloride blending emulsion 25-95 part, demineralized water 0-70 part, slipping agent 0-15 part, antitack agent 0.1-5 part; Described polyvinylidene chloride blending emulsion is mixed with by the raw material containing following weight content: polyvinylidene emulsions 88-98.5 part, TEPA 1.5-12 part.This coated film has resistance to boiling, transparent, environmental protection, the advantage that safe, nontoxic, cost is low, through compound, can direct packaged food, and food is together with packaging bag boiling, through high-temperature sterilization sterilization, direct-edible after consumer opens the package.
Description
Art
The present invention relates to a kind of polyvinylidene chloride of resistance to boiling coated thin film and manufacture method thereof, belong to novel high polymer material field.
Background technology
In the processing of current meat products, fresh meat or chilled meat is provided to be main flows to consumer, the following shortcoming of this packaging for foodstuff application ubiquity:
1, the food provided will re-use after consumer oneself boiling, loses time.
2, the food provided is not through high-temperature sterilization sterilization, and the shelf-life is not long.
3, pack opaque, can't see packed article.
Along with people are to the raising of quality of life level, consumer focuses on food security and rhythm of life more, and the packaging material of exploitation environment-friendly type are current main trend.
Summary of the invention
For the problems referred to above that existing packaging for foodstuff exists, the object of the present invention is to provide the resistance to boiling coated film of a kind of novel environment friendly, this coated film has resistance to boiling, transparent, environmental protection, the advantage that safe, nontoxic, cost is low, through compound, can direct packaged food, food is together with packaging bag boiling, through high-temperature sterilization sterilization, direct-edible after consumer opens the package.
The invention provides a kind of polyvinylidene chloride of resistance to boiling coated thin film.
Accordingly, the present invention also provides a kind of manufacture method of the polyvinylidene chloride of resistance to boiling coated thin film.
The polyvinylidene chloride of resistance to boiling coated thin film provided by the invention, comprise the dope layer of base material and substrate surface, primer layer is had between dope layer and base material, described dope layer is the modified polyvinilidene dichloroethylene coating formed after primer layer surface is also dried by the polyvinylidene chloride of the resistance to boiling latex-coating that modification obtains by the present invention, the described polyvinylidene chloride of resistance to boiling latex is mixed with by the raw material containing following weight content: polyvinylidene chloride blending emulsion 25-95 part, demineralized water 0-70 part, slipping agent 0-15 part, antitack agent 0.1-5 part; Described polyvinylidene chloride blending emulsion is mixed with by the raw material containing following weight content: polyvinylidene emulsions 88-98.5 parts, TEPA 1.5-12 parts; Described base material film is any one in bidirectional stretching polypropylene film, BON biaxially oriented nylon film, biaxially oriented polyester film, polyethylene film and polyvinyl chloride film; Described primer layer is the coating that aqueous polyurethane or solvent borne polyurethane are formed.
The solid content of the described polyvinylidene chloride of resistance to boiling latex is 40-55%;
The solid content of described polyvinylidene emulsions is 42-55%;
Described dope layer in of a base material face, also can exist in two of a base material face simultaneously;
Described slipping agent is palm wax slipping agent, and this slipping agent is water-soluble, has good dispersive property in coating, makes the smooth Performance comparision of product all even excellent.
Described antitack agent is silica anti-blocking agent.
Described base material film thickness is 8-160 μm.
The coating weight of described dope layer is 0.8-4.0g/m
2.
The coating weight of described primer layer is 0.1-1.5g/m
2.
Present invention also offers a kind of production method of above-mentioned coated film, the method comprises the steps:
1, add the polyvinylidene emulsions that weight content is 88-98.5 parts in reactor, mixing speed 60-180 revs/min, temperature controls 40-85 DEG C.
2, dripping weight content is the TEPA of 1.5-12 parts, rate of addition 5-15 gram/minute.Dropwise maintenance 10-30 minutes, TEPA is fully mixed with polyvinylidene emulsions, and then improves temperature of reaction kettle to 50-90 DEG C, make both fully reactions, obtained polyvinylidene chloride blending emulsion.
3, be that the above-mentioned obtained polyvinylidene chloride blending emulsion of 25-95 part adds in rustless steel container by weight content, stir while add slipping agent, the antitack agent of 0.1-5 part and the demineralized water of 0-70 part that weight content is 0-15 part successively, after stirring the modification polyvinylidene chloride of resistance to boiling latex, operation to be coated uses.
4, polyurethane binder is added mixed diluting in solvent to dissolve, stir formation primer.
5, carry out sided corona treatment to base film, primer even spread is dried with coating apparatus by the substrate surface after sided corona treatment, and coating speed is 50-250 m/min, bake out temperature is 80-160 DEG C.Be coated on primer through coating apparatus by the above-mentioned obtained modification polyvinylidene chloride of resistance to boiling emulsion uniform again, then dry the film be coated with, coating speed is 50-250 m/min, and bake out temperature is 80-160 DEG C.
The preferred coating weight of described polyurethane primer is 0.1-1.5g/m
2, the preferred coating weight of the modification polyvinylidene chloride of resistance to boiling latex is 0.8-4.0g/m
2.
Coating speed in above-mentioned steps is preferably 150-250m/min, can ensure coating quality and make production efficiency higher; The preferred hot-air seasoning of drying course or Far-infrared Heating are dried, or adopt far infrared and hot-air seasoning two kinds of modes simultaneously; Coating method preferably reverses roller kiss-type coating method, effectively can solve traditional coating method coating and pollute other roller problem, and a difficult problem for coatings lack of homogeneity.
The resistance to boiling coated film that the present invention obtains, most Gao Kenai reaches 40 minutes thermophilic digestions of 135 DEG C, compares tool have the following advantages with existing polyvinylidene chloride coated film:
1, resistance to boiling coated film of the present invention is after 40 minutes thermophilic digestions of 135 DEG C, and visually observe outward appearance nondiscolouring, still transparent clarification, packed article is high-visible; Under plain edition polyvinylidene chloride coated film similarity condition after boiling, visually observe appearance transparence and be obviously deteriorated, color whitens, packed article fuzzy being difficult to sees clearly.
2, resistance to boiling coated film of the present invention is after 40 minutes thermophilic digestions of 135 DEG C, and cling coating with adhesive tape, loose one's grip after compression, pull open adhesive tape with the speed of 1 meter per second, coating does not firmly depart from from coated film; Plain edition PVDC coated film is tested under similarity condition, the insecure easy disengaging of coating.
Detailed description of the invention
Below in conjunction with specific embodiment, the polyvinylidene chloride of resistance to boiling coated thin film of the present invention and manufacture method thereof are described further.
Embodiment one
Base material: Biaxially oriented polypropylene (BOPP), thickness is 19 μm.
Primer: commercially available polyurethane binder
Polyvinylidene emulsions: commercially available polyvinylidene emulsions
Demineralized water: self-control 30kg
Slipping agent: commercially available palm wax slipping agent 10kg
Anti-blocking agent: commercially available silica anti-block 1kg
Added to by the polyvinylidene emulsions of 50 kilogram 50% in 100L reactor, open reactor and stir, mixing speed 120 revs/min, slowly heats up, and temperature controls at 50 DEG C.Accurately take TEPA 250 grams, be dissolved in 200ml deionized water, be placed in 500ml Drop-adding device, question response still temperature is tending towards constant, starts to drip, and rate of addition is 8.6 gram/minute, and the process that drips keeps steady temperature.Dropwise, mixing speed is adjusted to 150 revs/min, keeps 20 minutes.Then mixing speed in still is adjusted to 180 revs/min, improves temperature of reaction kettle to 70 DEG C, keep 60 minutes, take out coating, obtained polyvinylidene chloride blending emulsion, treats that next process uses.
Taking the above-mentioned obtained polyvinylidene chloride blending emulsion of 250kg adds in rustless steel container, stir while add palm wax slipping agent, silica anti-block and demineralized water successively, after stirring the modification polyvinylidene emulsions of resistance to boiling, operation to be coated uses.
Taking polyurethane binder adds in another rustless steel container, stir while add solvent, it is generating polyurethane primer after stirring, sided corona treatment is carried out using after the Biaxially oriented polypropylene base material of base material unreels, evenly transferred on base film by aqueous polyurethane primer by reverse roll kiss formula coating method, coating weight is 0.3g/m
2, after far infrared and hot-air seasoning, forming primer layer, and then evenly transferring on film primer layer by reversing roller kiss-type coating method by the above-mentioned obtained modification polyvinylidene emulsions of resistance to boiling, coating weight is 3.0g/m
2, after far infrared and hot-air seasoning, form modified polyvinilidene dichloroethylene coating, coating speed is 200m/min.Primer layer baking temperature is 125 DEG C, and drying time is 6 seconds, and modified polyvinilidene dichloroethylene coating baking temperature is 120 DEG C, and drying time is 8 seconds.Rolling after modified polyvinilidene dichloroethylene coated and dried, solidifies 2 days under 45 DEG C of conditions, the obtained polyvinylidene chloride of resistance to boiling coated thin film of the present invention.
The resistance to boiling coated film performance that the present embodiment obtains is as follows
Embodiment two
Base material: biaxial stretching polyester (BOPET), thickness is 12 μm.
Primer: commercially available polyurethane binder
Polyvinylidene emulsions:: commercially available polyvinylidene emulsions
Demineralized water: self-control 25kg
Slipping agent: commercially available palm wax slipping agent 9kg
Anti-blocking agent: commercially available silica anti-block 1kg
Added to by the polyvinylidene emulsions of 40 kilogram 50% in 100L reactor, open reactor and stir, mixing speed 100 revs/min, slowly heats up, and temperature controls at 45 DEG C.Accurately take TEPA 200 grams, be dissolved in 300ml deionized water, be placed in 1000ml Drop-adding device, question response still temperature is tending towards constant, starts to drip, and rate of addition is 9.5 gram/minute, and the process that drips keeps steady temperature.Dropwise, mixing speed is adjusted to 120 revs/min, keeps 25 minutes.Then mixing speed in still is adjusted to 150 revs/min, improves temperature of reaction kettle to 65 DEG C, keep 60 minutes, take out coating, obtained polyvinylidene chloride blending emulsion, treats that next process uses.
Taking the above-mentioned obtained polyvinylidene chloride blending emulsion of 250kg adds in rustless steel container, stir while add palm wax slipping agent, silica anti-block and demineralized water successively, after stirring the modification polyvinylidene emulsions of resistance to boiling, operation to be coated uses.
Taking polyurethane binder adds in another rustless steel container, stir while add solvent, it is generating polyurethane primer after stirring, sided corona treatment is carried out using after the biaxial stretching polyester base material of base material unreels, evenly transferred on base film by aqueous polyurethane primer by reverse roll kiss formula coating method, coating weight is 0.6g/m
2, after far infrared and baking oven hot-air seasoning, form primer layer, and then evenly transfer on film primer layer by reverse roll kiss formula coating method by the above-mentioned obtained modification polyvinylidene emulsions of resistance to boiling, coating weight is 3.5g/m
2, after far infrared and hot-air seasoning, form modified polyvinilidene dichloroethylene coating, coating speed is 220m/min.Primer layer baking temperature is 120 DEG C, and drying time is 6 seconds, and modified polyvinilidene dichloroethylene coating baking temperature is 125 DEG C, and drying time is 8 seconds.Rolling after modified polyvinilidene dichloroethylene coated and dried, solidifies 2 days under 45 DEG C of conditions, the obtained polyvinylidene chloride of resistance to boiling coated thin film of the present invention.
The resistance to boiling coated film performance indications table that the present embodiment is obtained
Claims (13)
1. the polyvinylidene chloride of a resistance to boiling coated thin film, comprise the dope layer of base material and substrate surface, primer layer is had between dope layer and base material, it is characterized in that: described dope layer is the modified polyvinilidene dichloroethylene coating formed after primer layer surface is also dried by the polyvinylidene chloride of the resistance to boiling latex-coating obtained by modification, and the described polyvinylidene chloride of resistance to boiling latex is mixed with by the raw material containing following weight content: polyvinylidene chloride blending emulsion 25-95 part, demineralized water 0-70 part, slipping agent 0-15 part, antitack agent 0.1-5 part; Described polyvinylidene chloride blending emulsion is mixed with by the raw material containing following weight content: polyvinylidene emulsions 88-98.5 parts, TEPA 1.5-12 parts; Described base material is any one in bidirectional stretching polypropylene film, BON biaxially oriented nylon film, biaxially oriented polyester film, polyethylene film and polyvinyl chloride film; Described primer layer is the coating that aqueous polyurethane or solvent borne polyurethane are formed.
2. the polyvinylidene chloride of resistance to boiling coated thin film as claimed in claim 1, is characterized in that: the solid content of the described polyvinylidene chloride of resistance to boiling latex is 40-55%.
3. the polyvinylidene chloride of resistance to boiling coated thin film as claimed in claim 1, is characterized in that: the solid content of described polyvinylidene emulsions is 42-55%.
4. the polyvinylidene chloride of resistance to boiling coated thin film as claimed in claim 1, is characterized in that: described dope layer in of a base material face, also can exist in two of a base material face simultaneously.
5. the polyvinylidene chloride of resistance to boiling coated thin film as claimed in claim 1, is characterized in that: described slipping agent is palm wax slipping agent.
6. the polyvinylidene chloride of resistance to boiling coated thin film as claimed in claim 1, is characterized in that: described antitack agent is silica anti-blocking agent.
7. the polyvinylidene chloride of resistance to boiling coated thin film as claimed in claim 1, is characterized in that: described base material thickness is 8-160 μm.
8. the polyvinylidene chloride of resistance to boiling coated thin film as claimed in claim 1, is characterized in that: the coating weight of described dope layer is 0.8-4.0g/m
2.
9. the polyvinylidene chloride of resistance to boiling coated thin film as claimed in claim 1, is characterized in that: the coating weight of described primer layer is 0.1-1.5g/m
2.
10. a manufacture method for the polyvinylidene chloride of resistance to boiling coated thin film, is characterized in that:
(1) add the polyvinylidene emulsions that weight content is 88-98.5 parts in reactor, mixing speed 60-180 revs/min, temperature controls 40-85 DEG C;
(2) dripping weight content is the TEPA of 1.5-12 parts, rate of addition 5-15 gram/minute, dropwise maintenance 10-30 minutes, TEPA is fully mixed with polyvinylidene emulsions, and then improve temperature of reaction kettle to 50-90 DEG C, make both fully reactions, obtained polyvinylidene chloride blending emulsion;
(3) be that the above-mentioned obtained polyvinylidene chloride blending emulsion of 25-95 part adds in rustless steel container by weight content, stir while add slipping agent, the antitack agent of 0.1-5 part and the demineralized water of 0-70 part that weight content is 0-15 part successively, after stirring the modification polyvinylidene chloride of resistance to boiling latex, operation to be coated uses;
(4) polyurethane binder is added mixed diluting in solvent to dissolve, stir formation primer;
(5) sided corona treatment is carried out to base film, primer even spread is dried with coating apparatus by base film after sided corona treatment on the surface, hereinafter referred to as primary coat, through coating apparatus, the above-mentioned obtained modification polyvinylidene chloride of resistance to boiling emulsion uniform is coated on primer again, be coated with hereinafter referred to as face, then dry the film be coated with, the coating speed that described primary coat and face are coated with is 50-250 m/min, and the bake out temperature that described primary coat and face are coated with is 80-160 DEG C.
The manufacture method of 11. polyvinylidene chloride of resistance to boiling coated thin films as claimed in claim 10, it is characterized in that: the oven dry that described primary coat and face are coated with all adopts hot-air seasoning or Far-infrared Heating to dry, or adopts far infrared and hot-air seasoning two kinds of modes simultaneously.
The manufacture method of 12. polyvinylidene chloride of resistance to boiling coated thin films as claimed in claim 10, is characterized in that: the coating weight of described polyurethane primer is 0.1-1.5g/m
2.
The manufacture method of 13. polyvinylidene chloride of resistance to boiling coated thin films as claimed in claim 10, is characterized in that: the coating weight of the described modification polyvinylidene chloride of resistance to boiling latex is 0.8-4.0g/m
2.
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| CN201110202562.0A CN102380998B (en) | 2011-07-12 | 2011-07-12 | A kind of polyvinylidene chloride of resistance to boiling coated thin film and manufacture method thereof |
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| CN201110202562.0A CN102380998B (en) | 2011-07-12 | 2011-07-12 | A kind of polyvinylidene chloride of resistance to boiling coated thin film and manufacture method thereof |
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| CN102380998B true CN102380998B (en) | 2015-12-16 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848672B (en) * | 2012-08-14 | 2015-06-24 | 海南赛诺实业有限公司 | Pasteurized polyvinylidene chloride-coated film and manufacturing method thereof |
| CN102848673B (en) * | 2012-08-14 | 2015-04-29 | 海南赛诺实业有限公司 | High-oxygen resistant steaming-resistant polyvinylidene chloride coating film and manufacturing method thereof |
| CN102850866B (en) * | 2012-08-31 | 2014-10-08 | 海南必凯水性涂料有限公司 | High oxygen resistance polyvinylidenechloride emulsion for coating, and preparation method thereof |
| CN102850867B (en) * | 2012-09-04 | 2014-07-16 | 海南必凯水性涂料有限公司 | Heat-seal polyvinylidene chloride emulsion used for coating, and preparation method thereof |
| CN102964937B (en) * | 2012-11-06 | 2015-02-25 | 海南必凯水性涂料有限公司 | High-oxygen-barrier polyvinylidene chloride coating emulsion and preparation method thereof |
| CN102941720A (en) * | 2012-11-06 | 2013-02-27 | 海南赛诺实业有限公司 | Novel antibacterial film |
| CN105482572A (en) * | 2014-10-09 | 2016-04-13 | 南通瑞普埃尔生物工程有限公司 | Preparation method of PVDC latex for egg freshness retaining coating |
| CN113234247A (en) * | 2021-05-13 | 2021-08-10 | 浙江广兴包装新材料有限公司 | Polyvinylidene chloride coated cellulose membrane and manufacturing method thereof |
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| US4690865A (en) * | 1986-03-17 | 1987-09-01 | E. I. Du Pont De Nemours And Company | Heat-shrinkable polymeric barrier film |
| CN101367898A (en) * | 2008-08-27 | 2009-02-18 | 浙江巨化股份有限公司电化厂 | PVDC copolymerization emulsion, preparation and uses thereof |
| CN101817247A (en) * | 2010-05-11 | 2010-09-01 | 海南赛诺实业有限公司 | Primer-free coating film and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH07171935A (en) * | 1993-12-17 | 1995-07-11 | Dainippon Printing Co Ltd | Composite film for drawing and package |
| JP2007176087A (en) * | 2005-12-28 | 2007-07-12 | Daicel Value Coating Ltd | Laminated film |
| JP5119134B2 (en) * | 2008-11-21 | 2013-01-16 | 旭化成パックス株式会社 | Laminated film for highly sublimable substance, packaging bag using the same, wound body, and method for producing laminated film for highly sublimable substance |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4690865A (en) * | 1986-03-17 | 1987-09-01 | E. I. Du Pont De Nemours And Company | Heat-shrinkable polymeric barrier film |
| CN101367898A (en) * | 2008-08-27 | 2009-02-18 | 浙江巨化股份有限公司电化厂 | PVDC copolymerization emulsion, preparation and uses thereof |
| CN101817247A (en) * | 2010-05-11 | 2010-09-01 | 海南赛诺实业有限公司 | Primer-free coating film and manufacturing method thereof |
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