Invention Grant
- Patent Title: Use of aqueous film-forming preparations based on copolymers of methacrylic acid alkyl esters for coating mineral shaped bodies
- Patent Title (中): 使用基于甲基丙烯酸烷基酯共聚物的水性成膜剂用于涂覆矿物质体
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Application No.: US09623874Application Date: 2000-09-11
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Publication No.: US06372287B1Publication Date: 2002-04-16
- Inventor: Manfred Schwartz , Bertold Bechert , Harm Wiese , Wolfgang Hümmer , Bernd Reck
- Applicant: Manfred Schwartz , Bertold Bechert , Harm Wiese , Wolfgang Hümmer , Bernd Reck
- Priority: DE19810050 19980309
- Main IPC: B05D138
- IPC: B05D138

Abstract:
The present invention provides for the use of aqueous film-forming formulations comprising at least one copolymer P as film-forming constituent which is present in disperse form in the formulation and is composed of ethylenically unsaturated monomers M, the monomers M comprising i. from 70 to 99.9% by weight of at least one ester of methacrylic acid with a C1-C10-alkanol and ii. from 0.1 to 30% by weight of at least one different monoethylenically unsaturated monomer and at least 50% by weight of the monomers M being other than methyl methacrylate and not more than 1% by weight of the monomers M having two or more ethylenically unsaturated double bonds, for coating mineral moldings. The present invention additionally provides a method of coating the mineral moldings, and also the mineral moldings themselves.
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