Thermoplastic olefin composition containing an ethylene polymer

Details Thermoplastic olefin composition containing an ethylene polymer Thermoplastic olefin composition containing an ethylene polymer

1997-04-29

2000-01-11

Henderson, Christopher

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

Synthetic resins

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

525211, C08L 2330

Patent

active

060137347

ABSTRACT:
A polymer composition for making molded parts including (1) a thermoplastic olefin, (2) a propylene polymer material, and (3) an oxidized polyethylene wax having an acid number of .gtoreq.15 mg KOH/g, a high molecular weight ethylene polymer, or mixtures thereof, wherein (2)+(3) equals at least 22.5 parts per hundred parts of the thermoplastic olefin, has a good paint adhesion/durability balance. Injection molded parts made from this composition have a unique morphology characterized by a continuous matrix phase and discrete particles of a dispersed phase having a specific aspect ratio near the surface of the part and a specific particle size in the core of the part.

REFERENCES:
patent: 4990568 (1991-02-01), Benefield et al.
patent: 5075173 (1991-12-01), Benefield et al.
patent: 5212246 (1993-05-01), Ogale
patent: 5302454 (1994-04-01), Cecchin et al.
patent: 5763534 (1998-06-01), Srinivasah

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