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US 2015/0104597 A1Published application
Double component system for polyolefin compatibilization
OwnerLoic Pierre Rolland, Jacques Andreinventors
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Abstract
The present invention relates to the field of polyolefin blends compatibilization and in particular to reactive compatibilization of polyethylene/polypropylene blends. The present invention discloses thermoplastic compositions, and their use, comprising: a) a blend of polypropylene and polyethylene, b) an ethylene epoxide copolymer and c) an ethylene/propylene copolymer grafted or copolymerized with a carboxylic acid or a derivative thereof.
Claims20
A thermoplastic composition comprising
- a) a blend of polypropylene and polyethylene,
- b) an ethylene epoxide copolymer, and
- c) an ethylene/propylene copolymer grafted or copolymerized with a carboxylic acid or a derivative thereof.
A process comprising
- blending a) an ethylene epoxide copolymer and b) an ethylene/propylene copolymer grafted or copolymerized with a carboxylic acid or a derivative thereof to produce a mixture;
- contacting the mixture with a blend of polyethylene and polypropylene.
Dependencies are inferred from the claim text.