Silica filler and method for its production

Details Silica filler and method for its production Silica filler and method for its production

1997-09-15

1998-11-10

Marcheschi, Michael

Compositions: coating or plastic

Materials or ingredients

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

106491, 10628734, 423335, 523443, 523223, 523220, 524492, 524493, C04B 1404, C09C 128

Patent

active

058337466

ABSTRACT:
A silica filler containing from 30 to 90 wt % of particles having a particle size of at least 30 .mu.m, wherein the roundness of the particles having a particle size of at least 30 .mu.m, is from 0.83 to 0.94.

REFERENCES:
patent: 4615741 (1986-10-01), Kobayashi et al.
patent: 4704425 (1987-11-01), Lagarde et al.
patent: 4816299 (1989-03-01), Alpha et al.
patent: 5030433 (1991-07-01), Mehrotra
patent: 5137940 (1992-08-01), Tomiyoshi et al.

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