Treatment of magnesium hydroxide and its use as plastics filler

Details Treatment of magnesium hydroxide and its use as plastics filler Treatment of magnesium hydroxide and its use as plastics filler

1994-11-30

1995-12-12

Langel, Wayne

Compositions: coating or plastic

Coating or plastic compositions

Contains fireproofing or biocidal agent

423635, 423636, C09D 518, C01F 514

Patent

active

054746027

ABSTRACT:
Improved fire retardant fillers for plastics materials are described which consist of magnesium hydroxide particles of reduced average surface area. The particles are produced by contacting particles of magnesium hydroxide of a relatively high average surface area with an etching solution for a time sufficient to dissolve at least some of the particles and to leave particles of reduced average surface area.

REFERENCES:
patent: 2168228 (1939-08-01), MacArthur
patent: 4098762 (1978-07-01), Miyata et al.
patent: 4246254 (1981-01-01), Miyata et al.
patent: 4423026 (1983-12-01), Snellgrove
patent: 4698379 (1987-10-01), Nakaya et al.

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