24.
    发明专利
    未知

    公开(公告)号:LU86924A1

    公开(公告)日:1989-03-08

    申请号:LU86924

    申请日:1987-06-19

    Applicant: OREAL

    Abstract: This nitrocellulose-free varnish contains at least one resin in a solvent system for varnishes, and is characterized in that the said resin is a copolymer containing units resulting from the copolymerization: (1) of 20 to 70% of at least one alkyl acrylate or methacrylate of general formula: (I) in which: R' denotes a hydrogen atom or a methyl radical, and R denotes a saturated, linear or branched hydrocarbon chain containing from 1 to 6 carbon atoms, and (2) of 30 to 80% of at least one hydroxyalkyl acrylate or methacrylate of general formula: (II) in which: R1 denotes a hydrogen atom or a methyl radical and R2 denotes a linear or branched hydrocarbon chain containing from 2 to 4 carbon atoms and 1 or 2 hydroxyl(s), it being understood that the said copolymer cannot contain more than 30% of units derived from the copolymerization of an alkyl acrylate and/or a hydroxyalkyl acrylate, the viscosity of the copolymer at a concentration of 28% in ethyl acetate at 25 DEG C. being higher than 0.1 Pa s.

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