C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
400/9044, 400/90
C04B 24/26 (2006.01) C04B 24/16 (2006.01) C08F 20/10 (2006.01) C08L 33/06 (2006.01)
Patent
CA 1265638
Abstract There is provided an emulsion which comprises a polymer dispersed in water in the form of particles substantially smaller in size than 1 µ, said polymer being composed of a (meth)acrylic acid ester, an ethylenically unsaturated sulfonic acid or a salt thereof and at least one other ethylenically unsaturated compound and having a glass transition temperature within the range of -10 to 60°C, the percent viscosity reduction as defined in the specification being not less than 25%, and said emulsion having a pH of not less than 4.0 and being substantially free of any low molecular weight emulsifier. The emulsion shows markedly improved compatibility with inorganic materials in the step of kneading, has markedly improved ability to penetrate into inorganic moldings, and can provide final product inorganic moldings with markedly improved performance characteristics. A method of producing the emulsion is also provided.
485420
Japan Exlan Co. Ltd.
Ridout & Maybee Llp
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