Process for the manufacture of linear polyethylene containing .a

Details Process for the manufacture of linear polyethylene containing .a Process for the manufacture of linear polyethylene containing .a

1992-06-11

1993-08-17

Schofer, Joseph L.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 53, 525 54, 525193, 525240, 525320, 525324, C08L 2306, C08L 2308

Patent

active

052369986

ABSTRACT:
A process for making a blend of high-density polyethylene polymers containing one or more C3 to C12 .alpha.-olefin comonomers. The process begins in two parallel streams. In one stream ethylene is polymerized alone, and in the second stream ethylene is polymerized with the comonomer(s). The two streams are combined in a subsequent reactor where the polymerization process is completed. The polymerization produces a polymer wherein the comonomer is concentrated in the higher molecular weight fractions.

REFERENCES:
patent: 4269948 (1981-05-01), Nicco
patent: 4874820 (1989-10-01), Cozewith et al.
patent: 4975485 (1990-12-01), Sato et al.

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