JPS57125232A - Powdery composition of crosslinkable polyethylene suitably used in powder molding and its molded product - Google Patents

Powdery composition of crosslinkable polyethylene suitably used in powder molding and its molded product

Info

Publication number
JPS57125232A
JPS57125232A JP1084681A JP1084681A JPS57125232A JP S57125232 A JPS57125232 A JP S57125232A JP 1084681 A JP1084681 A JP 1084681A JP 1084681 A JP1084681 A JP 1084681A JP S57125232 A JPS57125232 A JP S57125232A
Authority
JP
Japan
Prior art keywords
powder
powder molding
molded product
suitably used
olefin
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
JP1084681A
Other languages
Japanese (ja)
Other versions
JPS6366340B2 (en
Inventor
Koichi Matsumoto
Tadashi Ikegami
Yoshihiko Katayama
Hisaya Sakurai
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.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Asahi Kasei Kogyo KK
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 Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KK filed Critical Asahi Chemical Industry Co Ltd
Priority to JP1084681A priority Critical patent/JPS57125232A/en
Publication of JPS57125232A publication Critical patent/JPS57125232A/en
Publication of JPS6366340B2 publication Critical patent/JPS6366340B2/ja
Granted legal-status Critical Current

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  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE: A molded produce that is obtainee by using the titled composition composed of an ethylene polymer or copolymer thereof with an α-olefin having a specific powder properties to effect the powder molding to cause the polyethylene to crosslink, thus having improved heat distortion, stress-crack resistance and oil resistance.
CONSTITUTION: The objective composition comprises (A) a powder of polyethylene or a copolymer thereof with an α-olefin that is prepared by suspension or gas-phase polymerization and has following characteristics: density, 0.915W 0.975g/cm3; MI, 5W80g/10min; the MI ratio of the low load (2.16kg) to the high load (21.6kg), less than 30; bulk density, 0.30W0.50; the repose angle, 25W40°; 50% particle size in the particle distribution, 230W350μ, more than 90wt% of the total, 149W500μ; the shape of the powder particles, sphere to ellipsoid, (B) 0.1W5PHR of dialkylperoxide of formulaI, II (n is 1, 2; R is tertiary alkyl; R', R" are alkyl) and (C) 0.5W10PHR of a crosslinking assistant such as triallylcyanurate.
COPYRIGHT: (C)1982,JPO&Japio
JP1084681A 1981-01-29 1981-01-29 Powdery composition of crosslinkable polyethylene suitably used in powder molding and its molded product Granted JPS57125232A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1084681A JPS57125232A (en) 1981-01-29 1981-01-29 Powdery composition of crosslinkable polyethylene suitably used in powder molding and its molded product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1084681A JPS57125232A (en) 1981-01-29 1981-01-29 Powdery composition of crosslinkable polyethylene suitably used in powder molding and its molded product

Publications (2)

Publication Number Publication Date
JPS57125232A true JPS57125232A (en) 1982-08-04
JPS6366340B2 JPS6366340B2 (en) 1988-12-20

Family

ID=11761710

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1084681A Granted JPS57125232A (en) 1981-01-29 1981-01-29 Powdery composition of crosslinkable polyethylene suitably used in powder molding and its molded product

Country Status (1)

Country Link
JP (1) JPS57125232A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4857257A (en) * 1983-06-13 1989-08-15 Allied-Signal Inc. Rotationally molding crosslinkable polyethylene composition
US4900792A (en) * 1983-06-13 1990-02-13 Allied-Signal Inc. Crosslinkable polyethylene composition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4857257A (en) * 1983-06-13 1989-08-15 Allied-Signal Inc. Rotationally molding crosslinkable polyethylene composition
US4900792A (en) * 1983-06-13 1990-02-13 Allied-Signal Inc. Crosslinkable polyethylene composition

Also Published As

Publication number Publication date
JPS6366340B2 (en) 1988-12-20

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