JPS54155269A - Highly oriented film by cold drawing and its production - Google Patents
Highly oriented film by cold drawing and its productionInfo
- Publication number
- JPS54155269A JPS54155269A JP6387078A JP6387078A JPS54155269A JP S54155269 A JPS54155269 A JP S54155269A JP 6387078 A JP6387078 A JP 6387078A JP 6387078 A JP6387078 A JP 6387078A JP S54155269 A JPS54155269 A JP S54155269A
- Authority
- JP
- Japan
- Prior art keywords
- film
- melt index
- ethylene
- draw ratio
- vinyl acetate
- 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.)
- Granted
Links
Abstract
PURPOSE: To obtain the title film having improved transparency and strength, by specifying boiling xylene insoluble gel content and a melt index of a composition consisting of an ethylene-vinyl acetate copolymre, a thermoplastic elastomer, and a specific high polymer.
CONSTITUTION: 100 parts by wt. of a composition consisting of A) 95W10 wt.% of an ethylene-vinyl acetate copolymer having 3W30 wt.% of vinyl cetate group and a melt index of 0.2W10 and B) 5W90 wt.% of a thremoplastic elastomer made of an α-olefin copolymer having a melt imdex of 0.2W6 are blended with C) 5W 200 parts by wt. of a homopolymer or a mixed polymer of crystalline polypropylene, high-density polyethylene, or polybutene-1 to give a molten blend. The blend is extruded guenched, and set to make a raw tubular film, which is irradiated with high energy rays so that it has boiling xylene insoluble gel content not more than 60 wt.% and a melt index not more than 10. The film is heated up to not more than 110°C and air is blown into the film at a normal temperatureW100°C so that the film is highly orientated at an area draw ratio of 5W30:1 and at a cross direction draw ratio of 2W7:1.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (21)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6387078A JPS54155269A (en) | 1978-05-30 | 1978-05-30 | Highly oriented film by cold drawing and its production |
GB7839283A GB2007685B (en) | 1977-10-11 | 1978-10-04 | Composition for drawn film cold drawn film made of said composition and process for manufacture of said film |
US05/949,253 US4277578A (en) | 1977-10-11 | 1978-10-06 | Composition for drawn film, cold drawn film made of said composition and process for manufacture of said film |
FR7828860A FR2405972B1 (en) | 1977-10-11 | 1978-10-10 | COMPOSITION FOR STRETCHED FILM, STRETCHED FILM THEREOF AND METHOD FOR MANUFACTURING SAME |
DE2844363A DE2844363C2 (en) | 1977-10-11 | 1978-10-11 | Polyolefin molding compound |
DE19782857641 DE2857641C3 (en) | 1977-10-11 | 1978-10-11 | Material for a stretchable film |
DE2858781A DE2858781C2 (en) | 1977-10-11 | 1978-10-11 | |
DE2857642A DE2857642C2 (en) | 1977-10-11 | 1978-10-11 | Cold stretched film and method of making the film |
US06/060,638 US4336350A (en) | 1977-10-11 | 1979-07-25 | Cold drawn film made of an olefin polymer blend composition |
US06/060,617 US4302557A (en) | 1977-10-11 | 1979-07-25 | Cold drawn film made of an ethylene polymer blend composition |
US06/213,461 US4499241A (en) | 1977-10-11 | 1980-12-05 | Composition for cold drawn film |
US06/213,319 US4542886A (en) | 1977-10-11 | 1980-12-05 | Process for preparing cold drawn film from an ethylene-α-olefin copolymer and at least one of low-density polyethylene or ethylene copolymers and polypropylene, high density polyethylene or crystalline polybutadiene |
US06/213,459 US4379888A (en) | 1977-10-11 | 1980-12-05 | Composition for drawn film, cold drawn film made of said composition and process for manufacture of said film |
US06/284,464 US4336212A (en) | 1977-10-11 | 1981-07-17 | Composition for drawn film, cold drawn film made of said composition and process for manufacture of said film |
US06/457,363 US4481334A (en) | 1977-10-11 | 1983-01-12 | Composition for drawn film, cold drawn film made of said composition and process for manufacture of said film |
US06/457,365 US4454303A (en) | 1977-10-11 | 1983-01-12 | Composition for drawn film |
FR8305926A FR2525956B1 (en) | 1977-10-11 | 1983-04-12 | COLD-DRAWN FILM AND MANUFACTURING METHOD THEREOF |
US06/665,492 US4537935A (en) | 1977-10-11 | 1984-10-29 | Composition for cold drawn film |
US06/825,774 US4701496A (en) | 1977-10-11 | 1986-02-03 | Composition for drawn film, cold drawn film made of said composition and process for manufacture of said film |
US07/109,659 US4835218A (en) | 1977-10-11 | 1987-10-19 | Composition for drawn film, cold film made of said composition and process for manufacture of said film |
US07/557,113 USRE33832E (en) | 1977-10-11 | 1990-07-25 | Composition for drawn film, cold film made of said composition and process for manufacturing of said film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6387078A JPS54155269A (en) | 1978-05-30 | 1978-05-30 | Highly oriented film by cold drawing and its production |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54155269A true JPS54155269A (en) | 1979-12-07 |
JPS5749013B2 JPS5749013B2 (en) | 1982-10-19 |
Family
ID=13241758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6387078A Granted JPS54155269A (en) | 1977-10-11 | 1978-05-30 | Highly oriented film by cold drawing and its production |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54155269A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4945127A (en) * | 1987-12-28 | 1990-07-31 | Tonen Sekiyukagaku Kabushiki Kaisha | Polymer composition, its heat-resistant, shape memory formed product and method of producing same |
JP2016137715A (en) * | 2015-01-22 | 2016-08-04 | 王子ホールディングス株式会社 | Stretched film |
-
1978
- 1978-05-30 JP JP6387078A patent/JPS54155269A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4945127A (en) * | 1987-12-28 | 1990-07-31 | Tonen Sekiyukagaku Kabushiki Kaisha | Polymer composition, its heat-resistant, shape memory formed product and method of producing same |
JP2016137715A (en) * | 2015-01-22 | 2016-08-04 | 王子ホールディングス株式会社 | Stretched film |
Also Published As
Publication number | Publication date |
---|---|
JPS5749013B2 (en) | 1982-10-19 |
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