Fire retardant material and molded body

Details Fire retardant material and molded body Fire retardant material and molded body

2009-10-20

2011-11-08

Szekely, Peter (Department: 1761)

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...

C524S425000, C524S449000, C524S451000, C524S456000

Reexamination Certificate

active

08053505

ABSTRACT:
An object is to provide a fire retardant material capable of being molded by an injection molding machine and free from deterioration of the physical properties and a molded body formed of the fire retardant material. A fire retardant includes a degraded polypropylene resin obtained by melt kneading a polypropylene resin and an organic peroxide, wherein a weight average molecular weight of the degraded polypropylene is from 50,000 to 200,000; and an inorganic filler, wherein a mass ratio of the polypropylene to the inorganic filler is from 95/5 to 10/90.

REFERENCES:
patent: 5464907 (1995-11-01), Jelenic et al.
patent: 6426388 (2002-07-01), Fujino et al.
patent: A-08-3362 (1996-01-01), None
patent: A-10-45967 (1998-02-01), None
patent: A-10-330556 (1998-12-01), None
patent: A-11-349779 (1999-12-01), None

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