Treatment of fillers with oxa-silacycloalkanes

Details Treatment of fillers with oxa-silacycloalkanes Treatment of fillers with oxa-silacycloalkanes

1995-10-12

1997-01-21

Klemanski, Helene

Compositions: coating or plastic

Materials or ingredients

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

106506, C08K 504

Patent

active

055955932

ABSTRACT:
A method of hydrophobing fillers such as inorganic pigments, metal oxides, metal hydroxides, and silicate minerals, involves contacting a filler with an oxa-silacycloalkane, until hydroxyl functionality on the filler is replaced with carbinol functionality (i.e. .tbd.C--OH). The preferred oxa-silacycloalkane is 2,2,4-trimethyl-1-oxa-2-silacyclopentane.

REFERENCES:
patent: 5290901 (1994-03-01), Burns
patent: 5320673 (1994-06-01), Carpenter
patent: 5482547 (1996-01-01), Bugnon et al.
patent: 5498781 (1996-03-01), Hall et al.

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