Patent · US Active

High curing inducing surface applied setting retarder

US8846787B2 · kind B2 · utility

0Cited by

15References

5Claims

0Family size

Assignee

W.R. Grace & Co.-Conn. · US

Inventors

Eric Dananche · Courlaoux, FR
Dany Vincent · Chateaurenaud, FR

Key dates

Filing date	Jan 17, 2011
Grant date	Sep 30, 2014
Priority date	—
Expiry date	Jan 17, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC04B41/63
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Exemplary methods and compositions of the invention for retarding the surface of a hydratable cementitious composition comprise the use of a non-bituminous cationic emulsion comprising at least one curing compound comprising an acrylic polymer, a paraffin, or a mixture thereof, to hinder evaporation of water; at least one set retarder; and at least one cationic surfactant.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.