Dispersant composition for cement

Details Dispersant composition for cement Dispersant composition for cement

1989-03-17

1990-10-16

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106823, 524 5, 524342, 524344, 524559, C04B 2428, C04B 2206, C04B 2404

Patent

active

049631900

ABSTRACT:
An aqueous dispersant composition for cement comprises 100 parts by weight of a copolymer of an olefin having 2 to 8 carbon atoms and an ethylenically unsaturated dicarboxylic anhydride, the copolymer being in the form of fine particles having an average size of 0.1 to 20 micrometers, 15 to 300 parts by weight, of zinc, as zinc oxide or zinc hydroxide, and water, the composition being adjusted to have a pH value of 6 to 12.

REFERENCES:
patent: 3429724 (1969-02-01), Keenum et al.
patent: 4223733 (1980-09-01), Bodor et al.
patent: 4243430 (1981-01-01), Sperry et al.
patent: 4530955 (1985-07-01), Wilson et al.
patent: 4586960 (1986-05-01), Iizuka et al.

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