Hydrophobic silica powder, manufacturing method thereof and deve

Details Hydrophobic silica powder, manufacturing method thereof and deve Hydrophobic silica powder, manufacturing method thereof and deve

1994-02-03

1996-01-23

Nakarani, D. S.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

428407, 428429, B32B 516

Patent

active

054864208

ABSTRACT:
A hydrophobic silica powder, treated with an amino-substituted silane compound represented by the formula (1) and an organopolysiloxane, having an amount of triboelectrification relative to iron of from over +100 .mu.C/g to up to +700 .mu.C/g, and a hydrophobing ratio of at least 60% as measured by the transmittance method:

REFERENCES:
patent: 4741984 (1988-05-01), Imai et al.
patent: 4902570 (1990-02-01), Heinemann et al.
patent: 4950634 (1990-08-01), Williams et al.
patent: 5013585 (1991-05-01), Shimizu et al.
patent: 5188899 (1993-02-01), Matsumoto et al.

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