Pumpable cementitious compositions

Details Pumpable cementitious compositions Pumpable cementitious compositions

1977-03-16

1978-12-26

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 97, C04B 702

Patent

active

041314808

ABSTRACT:
The invention concerns a pumpable cementitious composition containing porous light weight aggregate. The composition is rendered pumpable by the addition of a dispersing agent and a gelling agent in sufficient amount to reduce the absorption of water by the aggregate when the composition is pumped. In particular, the dispersing agent is a sulphonated melamine or naphthalene formaldehyde or a sulphonated polystyrene, and the gelling agent is a water soluble cellulose derivative such as methyl cellulose, the two agents each comprising 0.001% to 0.04% by weight of the composition.

REFERENCES:
patent: 3762937 (1973-10-01), Schupack
patent: 3788869 (1974-01-01), Batdorf et al.

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