Linear, very low density polyethylene polymerization process and

Details Linear, very low density polyethylene polymerization process and Linear, very low density polyethylene polymerization process and

1993-02-04

1993-12-28

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

052740560

ABSTRACT:
A copolymer of ethylene and a higher alpha-olefin, preferably 1-butene and/or 1-hexene, can be produced using an activated and subsequently carbon monoxide reduced chromium containing catalyst system and an alkylaluminum or alkylboron cocatalyst. The polymerization process must be carefully controlled to produce a copolymer resin that can be made into a tough product, with an increased melt index and a broad molecular weight distribution.

REFERENCES:
patent: 4424320 (1984-01-01), McDaniel
patent: 4503201 (1985-03-01), McDaniel et al.
patent: 4619908 (1986-10-01), McDaniel et al.
patent: 4672096 (1987-06-01), Nowlin
patent: 4966951 (1990-10-01), Benham et al.
patent: 5071927 (1991-12-01), Benham et al.

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