Anti-flooding agent for paints and plasters

C - Chemistry – Metallurgy – 08 – L

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400/1302

C08L 1/26 (2006.01) C08L 71/02 (2006.01) C09B 67/46 (2006.01) C09D 7/02 (2006.01) C09D 7/06 (2006.01)

Patent

CA 1129142

Hoe 77/K 020 (K 2544) ANTI-FLOODING AGENT FOR PAINTS AND PLASTERS Abstract of the Disclosure This invention relates to an agent for preventing the flood- ing of color pigments in aqueous plastic dispersion paints, plastic- based plasters, and distemper paints containing cellulose ethers, which is based on a block polymer in which a di- or polyamine is present as the initial molecule on which alkylene oxide units are added, said block polymer being obtained from one mole of a di- or polyamine of the general Formula I Image (I) wherein R is an alkylene group with 2 to 6 carbon atoms, and x is a whole number from 1 to 4, by reaction with about 5 to 50 moles of ethylene oxide, followed by reaction with about 5 to 100 moles of propylene oxide.

303098

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