Precipitated silicic acid granules

Details Precipitated silicic acid granules Precipitated silicic acid granules

1979-01-16

1979-12-18

Person, Sandra M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106308M, 106308Q, 260 4214, 423339, C08K 908

Patent

active

041794311

ABSTRACT:
Free flowing, finely divided precipitated silicic acid granules of reduced dust content and reduced abrasion are obtained by a process including the step of subjecting a silicic acid suspension to intensive shearing action. Rubber compositions containing the precipitated silica produced in this way are also disclosed.

REFERENCES:
patent: 2564992 (1951-08-01), Pechukas
patent: 3271356 (1966-09-01), Roderburg et al.
patent: 3607337 (1971-09-01), Eisenmenger et al.
patent: 4017452 (1977-04-01), Schwarz

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