JPS56120716A - Packaging film - Google Patents

Packaging film

Info

Publication number
JPS56120716A
JPS56120716A JP16562180A JP16562180A JPS56120716A JP S56120716 A JPS56120716 A JP S56120716A JP 16562180 A JP16562180 A JP 16562180A JP 16562180 A JP16562180 A JP 16562180A JP S56120716 A JPS56120716 A JP S56120716A
Authority
JP
Japan
Prior art keywords
film
ziegler
butene
propylene
ethylene
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
JP16562180A
Other languages
Japanese (ja)
Inventor
Michio Koga
Masakazu Arai
Masayuki Takeshima
Hideo Sato
Toshio Yagi
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 Petrochemical Co Ltd
Original Assignee
Mitsubishi Petrochemical 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 Mitsubishi Petrochemical Co Ltd filed Critical Mitsubishi Petrochemical Co Ltd
Priority to JP16562180A priority Critical patent/JPS56120716A/en
Publication of JPS56120716A publication Critical patent/JPS56120716A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: A packaging film having improved heat-sealing properties, by copolymerizing a specific composition of ethylene, propylene and butene-1 using a Ziegler- Natta catalyst so that a novel three dimensional polymer is formed into a film.
CONSTITUTION: A composition with a ratio of (A) 1.0W3.0wt% ethylene, (B) 67.0W98.0wt% propylene, and (C) 1.0W3.0wt% butene-1 is fed to a polymerization system, and copolymerization is carried out using a Ziegler-Natta catalyst consisting of diethyl aliminum chloride, etc., and titanium trichloride, etc., to give a three-dimensional copolymer. This copolymer is melted and kneaded by an extruder and extruded to filmy state, orientated, to give the desired film.
COPYRIGHT: (C)1981,JPO&Japio
JP16562180A 1980-11-25 1980-11-25 Packaging film Pending JPS56120716A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16562180A JPS56120716A (en) 1980-11-25 1980-11-25 Packaging film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16562180A JPS56120716A (en) 1980-11-25 1980-11-25 Packaging film

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP7271572A Division JPS556643B2 (en) 1972-07-20 1972-07-20

Publications (1)

Publication Number Publication Date
JPS56120716A true JPS56120716A (en) 1981-09-22

Family

ID=15815834

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16562180A Pending JPS56120716A (en) 1980-11-25 1980-11-25 Packaging film

Country Status (1)

Country Link
JP (1) JPS56120716A (en)

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