JPS53120759A - Production of drawn polypropylene film - Google Patents

Production of drawn polypropylene film

Info

Publication number
JPS53120759A
JPS53120759A JP3685077A JP3685077A JPS53120759A JP S53120759 A JPS53120759 A JP S53120759A JP 3685077 A JP3685077 A JP 3685077A JP 3685077 A JP3685077 A JP 3685077A JP S53120759 A JPS53120759 A JP S53120759A
Authority
JP
Japan
Prior art keywords
production
polypropylene film
drawn polypropylene
film
drawn
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
JP3685077A
Other languages
Japanese (ja)
Other versions
JPS6055542B2 (en
Inventor
Taisuke Okita
Yoshiteru Tokawa
Shuji Yoshimi
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical 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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP3685077A priority Critical patent/JPS6055542B2/en
Publication of JPS53120759A publication Critical patent/JPS53120759A/en
Publication of JPS6055542B2 publication Critical patent/JPS6055542B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

PURPOSE: To manufacture a film having improved blocking resistance without degrading transparency, by incorporating a crystalline propylene homopolymer with a crystalline ethylene propylene block copolymer, and by molding the mixture into a film, which is then drawn biaxially.
COPYRIGHT: (C)1978,JPO&Japio
JP3685077A 1977-03-30 1977-03-30 Manufacturing method of polypropylene stretched film Expired JPS6055542B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3685077A JPS6055542B2 (en) 1977-03-30 1977-03-30 Manufacturing method of polypropylene stretched film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3685077A JPS6055542B2 (en) 1977-03-30 1977-03-30 Manufacturing method of polypropylene stretched film

Publications (2)

Publication Number Publication Date
JPS53120759A true JPS53120759A (en) 1978-10-21
JPS6055542B2 JPS6055542B2 (en) 1985-12-05

Family

ID=12481233

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3685077A Expired JPS6055542B2 (en) 1977-03-30 1977-03-30 Manufacturing method of polypropylene stretched film

Country Status (1)

Country Link
JP (1) JPS6055542B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0947542A4 (en) * 1996-12-17 2000-02-23 Chisso Corp Biaxially oriented polypropylene-base film

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0326050Y2 (en) * 1987-05-29 1991-06-05

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0947542A4 (en) * 1996-12-17 2000-02-23 Chisso Corp Biaxially oriented polypropylene-base film

Also Published As

Publication number Publication date
JPS6055542B2 (en) 1985-12-05

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