JPS5586722A - Manufacturing method for composite film - Google Patents
Manufacturing method for composite filmInfo
- Publication number
- JPS5586722A JPS5586722A JP15946278A JP15946278A JPS5586722A JP S5586722 A JPS5586722 A JP S5586722A JP 15946278 A JP15946278 A JP 15946278A JP 15946278 A JP15946278 A JP 15946278A JP S5586722 A JPS5586722 A JP S5586722A
- Authority
- JP
- Japan
- Prior art keywords
- film
- ethylene
- laminated
- vinyl acetate
- acetate copolymer
- 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
Links
- 239000002131 composite material Substances 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000002253 acid Substances 0.000 abstract 4
- 239000000126 substance Substances 0.000 abstract 3
- 239000005038 ethylene vinyl acetate Substances 0.000 abstract 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 abstract 2
- 229920000728 polyester Polymers 0.000 abstract 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract 1
- 239000005977 Ethylene Substances 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 125000003827 glycol group Chemical group 0.000 abstract 1
- 238000010030 laminating Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 229920006267 polyester film Polymers 0.000 abstract 1
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
PURPOSE: To produce a composite film being excellent in a gas barrier property and a dynamical nature, by stretching a laminated film after laminating an ethylen- vinyl acetate copolymer saponified film on at least one surface of a polyester film.
CONSTITUTION: Polyester comprises dibasic acid residues and glycol residues, said dibasic acid residues being constituted such that 80mol% or more of a dibasic acid is a telephthalic acid. A film of 0.5W20μ thick comprising an ethylene-vinyl acetate copolymer saponified substance is laminated on at least one surface of non-stretched or monoaxial stretched film of said polyester being extruded by melting, said ethylene-vinyl acetate copolymer saponified substance having the following chemical conditions: A containing rate of ethylene ranges from 15W60mol%, a saponifying degree is 90% or more, and an ultimate viscosity ranges from 0.06W0.16. The film thus laminated is stretched by 2.0W6.0 times in at least one direction at a temperature of 40W180°C.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15946278A JPS5586722A (en) | 1978-12-23 | 1978-12-23 | Manufacturing method for composite film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15946278A JPS5586722A (en) | 1978-12-23 | 1978-12-23 | Manufacturing method for composite film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5586722A true JPS5586722A (en) | 1980-06-30 |
Family
ID=15694284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15946278A Pending JPS5586722A (en) | 1978-12-23 | 1978-12-23 | Manufacturing method for composite film |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5586722A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5739928A (en) * | 1980-08-22 | 1982-03-05 | Toyobo Co Ltd | Manufacture of laminated drawn film |
| JPS59143616A (en) * | 1983-02-08 | 1984-08-17 | Toyo Seikan Kaisha Ltd | How to stretch plastic laminates |
| JPS6082324A (en) * | 1983-10-13 | 1985-05-10 | Mitsui Petrochem Ind Ltd | Manufacture of biaxially stretched laminate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS516276A (en) * | 1974-07-04 | 1976-01-19 | Mitsubishi Plastics Ind | Echiren sakusanbinirukeikyojugotaikenkabutsuno nijikuenshinhoho |
| JPS52110781A (en) * | 1976-03-15 | 1977-09-17 | Mitsubishi Plastics Ind | Method of manufacturing composite film |
| JPS53147773A (en) * | 1977-05-31 | 1978-12-22 | Daiafoil | Production of laminated and stretched film |
| JPS5483071A (en) * | 1977-12-14 | 1979-07-02 | Daiafoil | Method of making laminated film |
| JPS54103476A (en) * | 1978-02-01 | 1979-08-14 | Mitsubishi Plastics Ind Ltd | Preparation of laminated drawn film |
-
1978
- 1978-12-23 JP JP15946278A patent/JPS5586722A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS516276A (en) * | 1974-07-04 | 1976-01-19 | Mitsubishi Plastics Ind | Echiren sakusanbinirukeikyojugotaikenkabutsuno nijikuenshinhoho |
| JPS52110781A (en) * | 1976-03-15 | 1977-09-17 | Mitsubishi Plastics Ind | Method of manufacturing composite film |
| JPS53147773A (en) * | 1977-05-31 | 1978-12-22 | Daiafoil | Production of laminated and stretched film |
| JPS5483071A (en) * | 1977-12-14 | 1979-07-02 | Daiafoil | Method of making laminated film |
| JPS54103476A (en) * | 1978-02-01 | 1979-08-14 | Mitsubishi Plastics Ind Ltd | Preparation of laminated drawn film |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5739928A (en) * | 1980-08-22 | 1982-03-05 | Toyobo Co Ltd | Manufacture of laminated drawn film |
| JPS59143616A (en) * | 1983-02-08 | 1984-08-17 | Toyo Seikan Kaisha Ltd | How to stretch plastic laminates |
| JPS6082324A (en) * | 1983-10-13 | 1985-05-10 | Mitsui Petrochem Ind Ltd | Manufacture of biaxially stretched laminate |
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