Iron oxide coloring agent for suppressing aging of resins

Details Iron oxide coloring agent for suppressing aging of resins Iron oxide coloring agent for suppressing aging of resins

1991-04-09

1993-12-14

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106459, 106483, C09C 122

Patent

active

052698424

ABSTRACT:
Disclosed herein is an iron oxide coloring agent capable of suppressing aging of resins comprising plate-like hematite particles coated with amorphous silicon dioxide or hydrated alumina containing silicon dioxide fine particles or hydrated alumina fine particles having an average particle diameter of 50 to 1,000 .ANG..

REFERENCES:
patent: 3565656 (1971-02-01), Allen et al.
patent: 4404254 (1983-09-01), Franz et al.

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