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JPS57133136A - Polyethylene composition - Google Patents

Polyethylene composition

Info

Publication number
JPS57133136A
JPS57133136A JP1968581A JP1968581A JPS57133136A JP S57133136 A JPS57133136 A JP S57133136A JP 1968581 A JP1968581 A JP 1968581A JP 1968581 A JP1968581 A JP 1968581A JP S57133136 A JPS57133136 A JP S57133136A
Authority
JP
Japan
Prior art keywords
density
molecular weight
polyethylene
low
molding
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
JP1968581A
Other languages
Japanese (ja)
Other versions
JPH0146535B2 (en
Inventor
Yoshio Shichi
Norio Sugi
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.)
Idemitsu Petrochemical Co Ltd
Original Assignee
Idemitsu 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 Idemitsu Petrochemical Co Ltd filed Critical Idemitsu Petrochemical Co Ltd
Priority to JP1968581A priority Critical patent/JPS57133136A/en
Publication of JPS57133136A publication Critical patent/JPS57133136A/en
Publication of JPH0146535B2 publication Critical patent/JPH0146535B2/ja
Granted legal-status Critical Current

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  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE: The titled composition, consisting of a high-density and high-molecular weight polyethylene (PE) and a low-density and low-molecular weight polyethylene (PE), having improved environmental stress crack resistance, fluidity characteristics and mechanical strength, and suitable for high-speed molding fields, e.g. extrusion coating molding, or blow molding.
CONSTITUTION: A composition obtained by mixing (A) preferably 65W95wt% polyethylene, obtained by the low pressure process, and having a density of 0.950W0.970g/cm3, a weight-average molecular weight of 200,000W400,000 and a melt index of 0.02W0.7g/10min with (B) preferably 35W5wt% polyethylene having a density of 0.920W0.950g/cm3 and a weight average-molecular weight <10,000. A filler, extender, modifying agent, stabilizer, etc. may be added thereto if necessary.
EFFECT: Rich in mechanical properties, e.g. impact resistance, compression resistance, and flexural strength.
COPYRIGHT: (C)1982,JPO&Japio
JP1968581A 1981-02-13 1981-02-13 Polyethylene composition Granted JPS57133136A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1968581A JPS57133136A (en) 1981-02-13 1981-02-13 Polyethylene composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1968581A JPS57133136A (en) 1981-02-13 1981-02-13 Polyethylene composition

Publications (2)

Publication Number Publication Date
JPS57133136A true JPS57133136A (en) 1982-08-17
JPH0146535B2 JPH0146535B2 (en) 1989-10-09

Family

ID=12006084

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1968581A Granted JPS57133136A (en) 1981-02-13 1981-02-13 Polyethylene composition

Country Status (1)

Country Link
JP (1) JPS57133136A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5013802A (en) * 1986-03-07 1991-05-07 Nippon Oil Company, Limited Process for preparing ethylene polymers
US6090893A (en) * 1994-12-16 2000-07-18 Borealis Polymers Oy Polyethylene composition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5013802A (en) * 1986-03-07 1991-05-07 Nippon Oil Company, Limited Process for preparing ethylene polymers
US6090893A (en) * 1994-12-16 2000-07-18 Borealis Polymers Oy Polyethylene composition

Also Published As

Publication number Publication date
JPH0146535B2 (en) 1989-10-09

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