Surface coatings based on copolymers containing etherified n-methylolamide groups
    2.
    发明授权
    Surface coatings based on copolymers containing etherified n-methylolamide groups 失效
    基于含有N-甲基酰胺组合的共聚物的表面涂料

    公开(公告)号:US3632838A

    公开(公告)日:1972-01-04

    申请号:US3632838D

    申请日:1968-12-11

    Applicant: BASF AG

    Abstract: SURFACE COATINGS BASED ON A DISPERSION OF A COPOLYMER (I) WHICH CONTAINS UNITS OF (A) 50 TO 95% BY WEIGHT OF A COPOLYMERIZABLE ESTER OF A MONOOLEFINICALLY UNSATURATED CARBOXYLIC ACID HAVING THREE TO FIVE CARBON ATOMS AND AN ALCOHOL HAVING ONE TO EIGHT CARBON ATOMS; (B) 0.75 TO 25% BY WEIGHT OF AN N-METHYLOLAMIDE OF A COPOLYMERIZABLE OLEFINICALLY UNSATURATED CARBOXYLIC ACID HAVING THREE TO FIVE CARBON ATOMS WHICH HAS BEEN ETHERIFIED WITH AN ALCOHOL HAVING ONE TO EIGHT CARBON ATOMS; AND (D) 0 TO 40% BY WEIGHT OF AT LEAST ONE OTHER COPOLYMERIZABLE MONOOLEFINICALLY UNSATURATED MONOMER. COPOLYMER I IS PREPARED BY POLYMERIZING THE SAID MONOMERS IN AN ORGANIC LIQUID IN WHICH THE COPOLYMER (I) IS INSOLUBLE, IN THE PRESENCE OF A POLYMER (II) OR POLYCONDENSATES (II) OR A MIXTURE OF BOTH WHICH IS DISSOLVED IN THE ORGANIC LIQUID USING A CONVENTIONAL POLYMERIZATION INITIATOR.

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