JPS54155271A - Highly oriented film by cold drawing and its production - Google Patents

Highly oriented film by cold drawing and its production

Info

Publication number
JPS54155271A
JPS54155271A JP6387278A JP6387278A JPS54155271A JP S54155271 A JPS54155271 A JP S54155271A JP 6387278 A JP6387278 A JP 6387278A JP 6387278 A JP6387278 A JP 6387278A JP S54155271 A JPS54155271 A JP S54155271A
Authority
JP
Japan
Prior art keywords
film
polyolefin
alpha
highly oriented
thermoplastic elastomer
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
Application number
JP6387278A
Other languages
Japanese (ja)
Other versions
JPS6222772B2 (en
Inventor
Isao Yoshimura
Hideo Hatake
Koji Kaneko
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.)
Asahi Dow Ltd
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Dow Ltd
Asahi Chemical Industry 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 Asahi Dow Ltd, Asahi Chemical Industry Co Ltd filed Critical Asahi Dow Ltd
Priority to JP6387278A priority Critical patent/JPS54155271A/en
Priority to GB7839283A priority patent/GB2007685B/en
Priority to GB8100649A priority patent/GB2063277B/en
Priority to US05/949,253 priority patent/US4277578A/en
Priority to FR7828860A priority patent/FR2405972B1/en
Priority to DE2858781A priority patent/DE2858781C2/de
Priority to DE19782857641 priority patent/DE2857641C3/en
Priority to DE2857642A priority patent/DE2857642C2/en
Priority to DE2844363A priority patent/DE2844363C2/en
Priority to US06/060,617 priority patent/US4302557A/en
Priority to US06/060,638 priority patent/US4336350A/en
Publication of JPS54155271A publication Critical patent/JPS54155271A/en
Priority to US06/213,459 priority patent/US4379888A/en
Priority to US06/213,461 priority patent/US4499241A/en
Priority to US06/213,319 priority patent/US4542886A/en
Priority to US06/284,464 priority patent/US4336212A/en
Priority to US06/457,365 priority patent/US4454303A/en
Priority to US06/457,363 priority patent/US4481334A/en
Priority to FR8305926A priority patent/FR2525956B1/en
Priority to US06/665,492 priority patent/US4537935A/en
Priority to US06/825,774 priority patent/US4701496A/en
Publication of JPS6222772B2 publication Critical patent/JPS6222772B2/ja
Priority to US07/109,659 priority patent/US4835218A/en
Priority to US07/557,113 priority patent/USRE33832E/en
Granted legal-status Critical Current

Links

Landscapes

  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)

Abstract

PURPOSE:To obtain a highly oriented film by cold drawing having improved low- temperature shrink characteristics and a wide range of packaging adaptobility temperatures, by extruding a composition consisting of a polyolefin and a thermoplastic elastomer made of an alpha-elefin copolymer from a ring dir, followed by orientation. CONSTITUTION:A composition consisting of A) 95-10 wt.% of a polyolefin and B) 5-90 wt.% of a thermoplastic elastomer made of an alpha-olefin copolymer is mixed to give a molten blend. The blend is extruded from a ring-die, quenched by a liquid refrigerant, 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 1.0. The film is then heated up to not more than 110 deg.C and air is blown into the film between two pairs of nip rolls at 20-100 deg.C so that the film is orientated in a cold state at an area draw ratio of 5-30:1 and at a cross direction draw ratio of 2:7:1.
JP6387278A 1977-10-11 1978-05-30 Highly oriented film by cold drawing and its production Granted JPS54155271A (en)

Priority Applications (22)

Application Number Priority Date Filing Date Title
JP6387278A JPS54155271A (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
GB8100649A GB2063277B (en) 1977-11-22 1978-10-04 Composition for production of cold drawn 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
DE2858781A DE2858781C2 (en) 1977-10-11 1978-10-11
DE19782857641 DE2857641C3 (en) 1977-10-11 1978-10-11 Material for a stretchable film
DE2857642A DE2857642C2 (en) 1977-10-11 1978-10-11 Cold stretched film and method of making the film
DE2844363A DE2844363C2 (en) 1977-10-11 1978-10-11 Polyolefin molding compound
US06/060,617 US4302557A (en) 1977-10-11 1979-07-25 Cold drawn film made of an ethylene polymer blend composition
US06/060,638 US4336350A (en) 1977-10-11 1979-07-25 Cold drawn film made of an olefin polymer blend composition
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
US06/213,319 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
US06/213,461 US4499241A (en) 1977-10-11 1980-12-05 Composition for cold drawn 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
US06/457,365 US4454303A (en) 1977-10-11 1983-01-12 Composition for drawn 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
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
JP6387278A JPS54155271A (en) 1978-05-30 1978-05-30 Highly oriented film by cold drawing and its production

Publications (2)

Publication Number Publication Date
JPS54155271A true JPS54155271A (en) 1979-12-07
JPS6222772B2 JPS6222772B2 (en) 1987-05-20

Family

ID=13241814

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6387278A Granted JPS54155271A (en) 1977-10-11 1978-05-30 Highly oriented film by cold drawing and its production

Country Status (1)

Country Link
JP (1) JPS54155271A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61123516A (en) * 1984-11-21 1986-06-11 Showa Denko Kk Film heat-shrinkable at low temperature
JPS6277933A (en) * 1985-09-30 1987-04-10 大倉工業株式会社 Heat-shrinkable laminated film
JPS63178026A (en) * 1987-01-19 1988-07-22 Tonen Sekiyukagaku Kk Manufacture of low-temperature shrinkable film

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61123516A (en) * 1984-11-21 1986-06-11 Showa Denko Kk Film heat-shrinkable at low temperature
JPH0543503B2 (en) * 1984-11-21 1993-07-01 Showa Denko Kk
JPS6277933A (en) * 1985-09-30 1987-04-10 大倉工業株式会社 Heat-shrinkable laminated film
JPS63178026A (en) * 1987-01-19 1988-07-22 Tonen Sekiyukagaku Kk Manufacture of low-temperature shrinkable film
JPH0528655B2 (en) * 1987-01-19 1993-04-27 Tonen Kagaku Kk

Also Published As

Publication number Publication date
JPS6222772B2 (en) 1987-05-20

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