Flame-retardant filler for plastics

Details Flame-retardant filler for plastics Flame-retardant filler for plastics

2006-10-12

2010-11-09

Jagannathan, Vasu (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...

C423S626000, C423S625000, C524S437000, C106S403000, C252S609000

Reexamination Certificate

active

07829619

ABSTRACT:
The invention relates to a flame-retardant filler based on aluminium hydroxide, its use in polymers and a method for its production, in which aluminium hydroxide in the form of bayerite or a bayerite/gibbsite mixture is modified under pressure at temperatures of at least 170° C. in the presence of water and crystal growth regulator, the aluminium hydroxide used as starting material having an average particle size d50from 0.1 to 4 μm.

REFERENCES:
patent: 5194243 (1993-03-01), Pearson et al.
patent: 5401703 (1995-03-01), Fukuda
patent: 6087191 (2000-07-01), Boggs
patent: 6506358 (2003-01-01), Stamires et al.
patent: 2005/0075024 (2005-04-01), Ranken et al.
patent: 2005/0124745 (2005-06-01), Bauer et al.
patent: 1 193 232 (2002-04-01), None
patent: WO 01/00529 (2001-01-01), None

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