High strength linear, low density polyethylene polymerization pr

Details High strength linear, low density polyethylene polymerization pr High strength linear, low density polyethylene polymerization pr

1988-09-26

1990-10-30

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526104, 526130, 526134, 5263484, 5263485, C08F 214, C08F21002

Patent

active

049669516

ABSTRACT:
A copolymer of ethylene and a higher alpha-olefin, preferably 1-hexene and/or 4-methyl-1-pentene, can be produced using an activated and subsequently carbon monoxide reduced chromium containing catalyst and a trialkyl boran cocatalyst. The polymerization process must be carefully controlled to produce a copolymer resin that can be made into a tough, impact resistant film.

REFERENCES:
patent: 3248179 (1966-04-01), Norwood
patent: 3645992 (1972-02-01), Elston
patent: 3887494 (1975-06-01), Dietz
patent: 4424320 (1984-01-01), McDaniel
patent: 4503201 (1985-03-01), McDaniel et al.
patent: 4517345 (1985-05-01), Eve et al.
patent: 4593079 (1986-06-01), Rekers et al.
patent: 4619980 (1986-10-01), McDaniel et al.
patent: 4672096 (1987-06-01), Nowlin
patent: 4735931 (1988-04-01), McDaniel et al.

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