JPS57126840A - Improved ethylene-alpha-olefin copolymer resin composition - Google Patents

Improved ethylene-alpha-olefin copolymer resin composition

Info

Publication number
JPS57126840A
JPS57126840A JP1404581A JP1404581A JPS57126840A JP S57126840 A JPS57126840 A JP S57126840A JP 1404581 A JP1404581 A JP 1404581A JP 1404581 A JP1404581 A JP 1404581A JP S57126840 A JPS57126840 A JP S57126840A
Authority
JP
Japan
Prior art keywords
resin composition
ethylene
olefin copolymer
olefin
copolymer
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
JP1404581A
Other languages
Japanese (ja)
Inventor
Nobuo Fukushima
Shuji Kitamura
Kiyohiko Nakae
Tadatoshi Ogawa
Kozo Kotani
Shuichi Hosono
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 JP1404581A priority Critical patent/JPS57126840A/en
Publication of JPS57126840A publication Critical patent/JPS57126840A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To provide the titled resin composition having excellent impact characteristics and being suitable for extrusion molding, by mixing a relatively high molecular weight ethylene-α-olefin copolymer with a relatively low molecular weight ethylene-α-olefin copolymer in a specific mixing ratio.
CONSTITUTION: 10W70wt% copolymer of ethylene and α-olefin (A) having a density of 0.91W0.94g/cm3, an intrinsic viscosity of 1.5W6dl/g and a degree of short chain branching per 1,000 carbons of 5W20 and 90W30wt% copolymer of ethylene and α-olefin (B) having a density of 0.925W0.955g/cm3, an intrinsic viscosity of 0.3W1.5dl/g and a degree of short chain branching per 1,000 carbons of 5W20 are mixed in a ratio of the degree of short chain branching of component A to that of component B of 0.6 or more to provide the titled resin composition having a density of 0.93W0.95g/cm3, a melt index of 0.02W2g/10min and a melt flow ratio of 40W200.
COPYRIGHT: (C)1982,JPO&Japio
JP1404581A 1981-01-30 1981-01-30 Improved ethylene-alpha-olefin copolymer resin composition Pending JPS57126840A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1404581A JPS57126840A (en) 1981-01-30 1981-01-30 Improved ethylene-alpha-olefin copolymer resin composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1404581A JPS57126840A (en) 1981-01-30 1981-01-30 Improved ethylene-alpha-olefin copolymer resin composition

Publications (1)

Publication Number Publication Date
JPS57126840A true JPS57126840A (en) 1982-08-06

Family

ID=11850128

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1404581A Pending JPS57126840A (en) 1981-01-30 1981-01-30 Improved ethylene-alpha-olefin copolymer resin composition

Country Status (1)

Country Link
JP (1) JPS57126840A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58210947A (en) * 1982-06-02 1983-12-08 Mitsui Petrochem Ind Ltd Steel pipe covered with resin
JPS6036548A (en) * 1983-08-09 1985-02-25 Showa Denko Kk Ethylenic copolymer composition for lamination

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54100445A (en) * 1978-01-26 1979-08-08 Showa Denko Kk Polyethylene resin composition for injection molding
JPS54161657A (en) * 1978-06-13 1979-12-21 Mitsubishi Chem Ind Ltd Polyolefin composition
JPS5614046A (en) * 1979-07-13 1981-02-10 Tamagawa Gakuen Hammer device
JPS5614043A (en) * 1979-07-13 1981-02-10 Hitachi Metals Ltd Production of hardened piston ring made of steel
JPS5614044A (en) * 1979-07-13 1981-02-10 Hitachi Metals Ltd Production of hardened piston ring made of steel
JPS5614042A (en) * 1979-07-12 1981-02-10 Polymer Processing Res Inst Nonwoven metal net and its composite material and production of said metal net
JPS5614041A (en) * 1979-07-13 1981-02-10 Mitsubishi Heavy Ind Ltd Production of fin for heat exchanger
JPS5614040A (en) * 1979-07-17 1981-02-10 Japan Crown Cork Co Ltd Production of vessel cover and device used for this
JPS5614039A (en) * 1979-07-13 1981-02-10 Endo Koki Kk Production of pan
JPS5614038A (en) * 1979-07-12 1981-02-10 Akae Kikai Kogyo Kk Jig
JPS5616539A (en) * 1979-07-20 1981-02-17 Mitsubishi Chem Ind Ltd Polyolefin composition
JPS5626940A (en) * 1979-08-08 1981-03-16 Mitsubishi Chem Ind Ltd Polyolefin composition and production thereof
JPS5692937A (en) * 1979-12-26 1981-07-28 Nippon Oil Co Ltd Resin composition for molding polyethylene film
JPS5721409A (en) * 1980-07-16 1982-02-04 Showa Denko Kk Production of ethylene copolymer

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54100445A (en) * 1978-01-26 1979-08-08 Showa Denko Kk Polyethylene resin composition for injection molding
JPS54161657A (en) * 1978-06-13 1979-12-21 Mitsubishi Chem Ind Ltd Polyolefin composition
JPS5614042A (en) * 1979-07-12 1981-02-10 Polymer Processing Res Inst Nonwoven metal net and its composite material and production of said metal net
JPS5614038A (en) * 1979-07-12 1981-02-10 Akae Kikai Kogyo Kk Jig
JPS5614043A (en) * 1979-07-13 1981-02-10 Hitachi Metals Ltd Production of hardened piston ring made of steel
JPS5614044A (en) * 1979-07-13 1981-02-10 Hitachi Metals Ltd Production of hardened piston ring made of steel
JPS5614041A (en) * 1979-07-13 1981-02-10 Mitsubishi Heavy Ind Ltd Production of fin for heat exchanger
JPS5614039A (en) * 1979-07-13 1981-02-10 Endo Koki Kk Production of pan
JPS5614046A (en) * 1979-07-13 1981-02-10 Tamagawa Gakuen Hammer device
JPS5614040A (en) * 1979-07-17 1981-02-10 Japan Crown Cork Co Ltd Production of vessel cover and device used for this
JPS5616539A (en) * 1979-07-20 1981-02-17 Mitsubishi Chem Ind Ltd Polyolefin composition
JPS5626940A (en) * 1979-08-08 1981-03-16 Mitsubishi Chem Ind Ltd Polyolefin composition and production thereof
JPS5692937A (en) * 1979-12-26 1981-07-28 Nippon Oil Co Ltd Resin composition for molding polyethylene film
JPS5721409A (en) * 1980-07-16 1982-02-04 Showa Denko Kk Production of ethylene copolymer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58210947A (en) * 1982-06-02 1983-12-08 Mitsui Petrochem Ind Ltd Steel pipe covered with resin
JPH0125333B2 (en) * 1982-06-02 1989-05-17 Mitsui Petrochemical Ind
JPS6036548A (en) * 1983-08-09 1985-02-25 Showa Denko Kk Ethylenic copolymer composition for lamination

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