Cement dispersing agent

Details Cement dispersing agent Cement dispersing agent

1996-01-31

1997-08-26

Green, Anthony

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106728, 106823, 524 5, C04B 2404, C04B 2402

Patent

active

056606265

ABSTRACT:
A shrinkage-reducing dispersing agent for use in cementitious compositions such as concrete and mortar comprising a graft polymer which is a polycarboxylic acid or a salt thereof, having side chains derived from at least one species selected from (a) oligoalkyleneglycol and/or polyalcohol and (b) polyalkylene glycols or derivatives thereof.

REFERENCES:
patent: 4547223 (1985-10-01), Goto et al.
patent: 4814014 (1989-03-01), Arfaei
patent: 4960465 (1990-10-01), Arfaei
patent: 5047087 (1991-09-01), Montague et al.
patent: 5091014 (1992-02-01), Hihara et al.
patent: 5181961 (1993-01-01), Umaki et al.
patent: 5358566 (1994-10-01), Tanaka et al.
patent: 5362323 (1994-11-01), Koyata et al.
patent: 5421881 (1995-06-01), Rodrigues et al.
Derwent Abstract 92-045686/06: "Shrinkage Reducing Agent For Drying Cement", Sanyo Chem. Ind. Ltd, JP 3290342 (Apr. 3, 1990).
Derwent Abstract 81-38953D/22: "Agent For Reducing Dry Shrinkage of Cement Mixes":, Goto, et al., JP 56037259 (Apr. 10, 1981).
Derwent Abstract WPI 91-040592/06: "Shrinkable Reducing Agent for Cement Preventing Cracking", Hondo et al., JP 2307849 (Dec. 21, 1990).

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