Claims
- 1. A high molecular weight ethylene copolymer having a melt flow index of less than 40 g/10 min and prepared by copolymerization of ethylene with an .alpha.,.beta.-ethylenically unsaturated acrylic acid, carboxylic anhydride or a derivative thereof in a polymerization system at a pressure of from 500 to 5,000 bar and a temperature of from 40.degree. to 350.degree. C. in the presence of a free-radical polymerization initiator, in the presence or absence of a molecular weight regulator and in the presence of a tertiary organic monoamine.
Priority Claims (1)
Number |
Date |
Country |
Kind |
3830007 |
Sep 1988 |
DEX |
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Parent Case Info
This application is a division of application Ser. No. 400,529, filed on Aug. 30, 1989.
US Referenced Citations (11)
Foreign Referenced Citations (2)
Number |
Date |
Country |
115190 |
Sep 1987 |
EPX |
760178 |
Oct 1958 |
GBX |
Divisions (1)
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Number |
Date |
Country |
Parent |
400529 |
Aug 1989 |
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