Stable, pumpable aqueous suspensions of precipitated silica part

Details Stable, pumpable aqueous suspensions of precipitated silica part Stable, pumpable aqueous suspensions of precipitated silica part

1992-04-24

1993-08-10

Brunsman, David

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

106209, 106483, 106491, 501154, C08L 500

Patent

active

052344932

ABSTRACT:
Stable, non-gelling and pumpable aqueous suspensions of precipitated silica particulates, well adapted for the coating of paper and cardboard substrates, include an effective stabilizing amount of at least one biogum heteropolysaccharide and at least one quaternary ammonium, sulfonium or phosphonium compound (cationic surfactant).

REFERENCES:
patent: 3428464 (1969-02-01), Pollard
patent: 3455705 (1969-07-01), Rusher
patent: 3821008 (1974-06-01), Jordan et al.
patent: 4260396 (1981-04-01), Glemza
patent: 4519844 (1985-05-01), Chaux et al.
patent: 4735659 (1988-04-01), Bishop
Hawley, Condensed Chemical Dictionary, Van Nostrand Reinhold Co., 1974, p. 840 (no month available).

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