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JPS5544852A - Thermoshrinking film readily tearable - Google Patents

Thermoshrinking film readily tearable

Info

Publication number
JPS5544852A
JPS5544852A JP11881778A JP11881778A JPS5544852A JP S5544852 A JPS5544852 A JP S5544852A JP 11881778 A JP11881778 A JP 11881778A JP 11881778 A JP11881778 A JP 11881778A JP S5544852 A JPS5544852 A JP S5544852A
Authority
JP
Japan
Prior art keywords
sheet
thermoshrinking
polyethylene
film
unsealing
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
Application number
JP11881778A
Other languages
Japanese (ja)
Inventor
Osamu Kawaguchi
Eiji Adachi
Yukio Hirose
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.)
Mitsubishi Plastics Inc
Original Assignee
Mitsubishi Plastics Inc
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 Mitsubishi Plastics Inc filed Critical Mitsubishi Plastics Inc
Priority to JP11881778A priority Critical patent/JPS5544852A/en
Publication of JPS5544852A publication Critical patent/JPS5544852A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To provide a film ideal for meeting requirement of unsealing for cap seal or the like by stretching a sheet at least in one direction after it is obtained from the sheet molding of a composition in which a (chlorinated) polyethylene is added to polyvinyl chloride resin.
CONSTITUTION: A composition in which 5W50 part by weight of (B) polyethylene or chlorinated polyethylene is added to 100 part by weight of (A) polyvinyl chloride is molded into a tubular or flat sheet by an extrusion method or a calendar method. The sheet thus obtained is streched 1.1W4.0 times at least in one direction. If an unstretched film is stretched biaxially sideways 1.1W4.0 times, it is possible to produce a thermoshrinking synthetic resin cylindrical body with a horizontal shrinkage rate of 10W60% at 100°C and having such a thermoshrinking property that the film is readily tearable vertically at the right angle to the shrinking direction. Thus, unsealing can be without vertical perforation when it is used for label cap seals or the like.
COPYRIGHT: (C)1980,JPO&Japio
JP11881778A 1978-09-27 1978-09-27 Thermoshrinking film readily tearable Pending JPS5544852A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11881778A JPS5544852A (en) 1978-09-27 1978-09-27 Thermoshrinking film readily tearable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11881778A JPS5544852A (en) 1978-09-27 1978-09-27 Thermoshrinking film readily tearable

Publications (1)

Publication Number Publication Date
JPS5544852A true JPS5544852A (en) 1980-03-29

Family

ID=14745864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11881778A Pending JPS5544852A (en) 1978-09-27 1978-09-27 Thermoshrinking film readily tearable

Country Status (1)

Country Link
JP (1) JPS5544852A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62109761A (en) * 1985-10-25 1987-05-20 サントリー株式会社 Easy open cap seal
JPS6285819U (en) * 1985-11-20 1987-06-01

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62109761A (en) * 1985-10-25 1987-05-20 サントリー株式会社 Easy open cap seal
JPS6285819U (en) * 1985-11-20 1987-06-01
JPH0345050Y2 (en) * 1985-11-20 1991-09-24

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