CA1035519A - Polypropylene/ethylene polymer film having ease-of-tear on impact - Google Patents

Polypropylene/ethylene polymer film having ease-of-tear on impact

Info

Publication number
CA1035519A
CA1035519A CA173,678A CA173678A CA1035519A CA 1035519 A CA1035519 A CA 1035519A CA 173678 A CA173678 A CA 173678A CA 1035519 A CA1035519 A CA 1035519A
Authority
CA
Canada
Prior art keywords
tear
polypropylene
ease
impact
polymer film
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.)
Expired
Application number
CA173,678A
Other languages
French (fr)
Other versions
CA173678S (en
Inventor
Tsutomu Isaka
Kunihiko Arakawa
Shuji Inoue
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.)
Toyobo Co Ltd
Original Assignee
Toyobo 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
Priority claimed from JP47057806A external-priority patent/JPS5245744B2/ja
Priority claimed from JP10833772A external-priority patent/JPS5621581B2/ja
Priority claimed from JP73663A external-priority patent/JPS5317632B2/ja
Application filed by Toyobo Co Ltd filed Critical Toyobo Co Ltd
Application granted granted Critical
Publication of CA1035519A publication Critical patent/CA1035519A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B29C55/14—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene
CA173,678A 1972-06-09 1973-06-11 Polypropylene/ethylene polymer film having ease-of-tear on impact Expired CA1035519A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP47057806A JPS5245744B2 (en) 1972-06-09 1972-06-09
JP10833772A JPS5621581B2 (en) 1972-10-27 1972-10-27
JP73663A JPS5317632B2 (en) 1972-12-27 1972-12-27

Publications (1)

Publication Number Publication Date
CA1035519A true CA1035519A (en) 1978-08-01

Family

ID=27274553

Family Applications (1)

Application Number Title Priority Date Filing Date
CA173,678A Expired CA1035519A (en) 1972-06-09 1973-06-11 Polypropylene/ethylene polymer film having ease-of-tear on impact

Country Status (5)

Country Link
CA (1) CA1035519A (en)
DE (1) DE2329790C2 (en)
FR (1) FR2187830B1 (en)
GB (1) GB1398476A (en)
IT (1) IT983236B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS578118A (en) * 1980-06-20 1982-01-16 Mitsubishi Petrochem Co Ltd Biaxially oriented polypropylene film and manufacture thereof
CA2017698C (en) * 1989-06-07 1999-11-09 Peter Breidt, Jr. Process for producing thermoformable polypropylene films and sheets
DE19842376A1 (en) * 1998-09-16 2000-03-23 Hoechst Diafoil Gmbh Biaxially oriented polypropylene film, process for its preparation and its use

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1308972A (en) * 1960-12-28 1962-11-09 Eastman Kodak Co New polyethylene composition and its applications

Also Published As

Publication number Publication date
DE2329790A1 (en) 1973-12-20
DE2329790C2 (en) 1983-01-13
FR2187830A1 (en) 1974-01-18
GB1398476A (en) 1975-06-25
FR2187830B1 (en) 1976-05-28
IT983236B (en) 1974-10-31

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