Process for producing polyolefin grafted copolymers

Details Process for producing polyolefin grafted copolymers Process for producing polyolefin grafted copolymers

1996-07-19

1997-12-09

Weber, Thomas R.

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

Synthetic resins

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

525193, 525243, C08G 6391

Patent

active

056962037

ABSTRACT:
A gas phase process for producing olefin polymer graft copolymers, including providing a reaction apparatus having first and second reaction zones operatively connected to each other into which particles of an olefin polymer and a free-radical polymerizable monomer are fed while maintaining free-radical polymerization conditions and a substantial non-oxidizing environment in said zones and from which the grafted copolymer product is discharged. An apparatus suitable for practicing this process is also disclosed.

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patent: 5140074 (1992-08-01), Denicola, Jr. et al.
patent: 5286791 (1994-02-01), Denicola, Jr. et al.
patent: 5310794 (1994-05-01), Denicola, Jr. et al.
patent: 5370813 (1994-12-01), Denicola, Jr. et al.
patent: 5411994 (1995-05-01), Galli et al.
patent: 5447985 (1995-09-01), Denicola, Jr. et al.
patent: 5473015 (1995-12-01), Denicola, Jr. et al.

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