Master batch composition, polyolefin resin composition...

Details Master batch composition, polyolefin resin composition... Master batch composition, polyolefin resin composition...

2005-11-22

2010-11-30

Choi, Ling-Siu (Department: 1796)

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C525S240000

Reexamination Certificate

active

07842748

ABSTRACT:
The present invention pertains to a master batch composition which contains 10 to 95% by mass of an additive for plastics, 1 to 50% by mass of an olefin polymer having specific physical properties, and 1 to 89% by mass of a polyolefin resin as a carrier, which is useful for producing a polyolefin resin, particularly an injection molded product of a polypropylene resin, which can improve dispersibility of additives in the polyolefin molded product, which permits high density filling of various additives in the master batch composition, and which is free of blocking. The present invention is also directed to a polyolefin resin composition in which the master batch composition is compounded in a polyolefin resin, and to a polyolefin molded product using the resin composition.

REFERENCES:
patent: 2003/0040583 (2003-02-01), Washiyama et al.
patent: 2004/0076804 (2004-04-01), Kijima et al.
patent: 1 340 784 (2003-09-01), None
patent: 2002 210735 (2002-07-01), None

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