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    • 10. 发明公开
    • PRIMER ZUR VERBESSERUNG DER ADHÄSION VON KLEBEBÄNDERN AUF HYDROPHILEN OBERFLÄCHEN
    • PRIMER ZUR VERBESSERUNG DERADHÄSIONVONKLEBEBÄNDERNAUF HYDROPHILENOBERFLÄCHEN
    • EP3140344A1
    • 2017-03-15
    • EP15718199.1
    • 2015-04-20
    • tesa SE
    • DIETZE, SebastianELLRINGMANN, KaiKUPSKY, MarcoSCHÜMANN, Uwe
    • C08K5/057C08K5/5415C08K5/5435C09J139/04C09J139/06
    • C09J133/08C08K5/057C08K5/5415C08K5/5419C08K5/5435C09J5/00C09J7/20C09J139/04C09J139/06C09J2433/003
    • The invention concerns a primer comprising a mixture G, in dispersion or solution in one or more solvents, of at least one copolymer obtained by copolymerizing a monomer mixture comprising at least 90 wt% of the following monomers: vinylcaprolactam and/or vinylpyrrolidone and one or more of monomers a) and/or b): a) acrylic esters of a linear, primary alcohol having 2 to 10 carbon atoms in the alkyl radical of the alcohol, b) acrylic esters of a branched non-cyclic alcohol having 3 to 12 carbon atoms in the alkyl radical of the alcohol, at least one organofunctional silane of the general structure (I): (R
      1 O-)
      x Si(R
      2 )
      y (R
      3 )
      z , in which the radicals R
      1 independently of one another are a C
      1 -C
      4 alkyl radical, a C
      2 -C
      6 alkoxyalkyl radical or an acetyl radical; the radical R
      2 is an aminoalkyl radical, a vinyl group, a methacryloyloxyalkyl radical, an isocyanatoalkyl radical, an O-methylcarbamatoalkyl radical, a glycidoxyalkyl radical or a phenyl radical; the radicals R
      3 independently of one another are a C
      1 -C
      18 alkyl radical and x = 1, 2 or 3; y = 0 or 1 and z = 4 –x –y; at least one metal compound selected from the group consisting of metal acetylacetonates, metal alkoxides and alkoxy-metal acetylacetonates. A primer of this kind enables effective promotion of adhesion between pressure-sensitive adhesive tapes and hydrophilic surfaces like glass especially, and allows for incorporation of functional fillers.
    • 包含在一种或多种溶剂中的分散体或溶液中的混合物G的至少一种共聚物的共聚物,所述共聚物通过共聚包含至少90重量%的以下单体的单体混合物:乙烯基己内酰胺和/或乙烯基吡咯烷酮和一种或多种单体a) 和/或b):a)在醇的烷基中具有2至10个碳原子的直链伯醇的丙烯酸酯,b)在烷基中具有3至12个碳原子的支链非环状醇的丙烯酸酯 醇的基团,至少一种通式(I):(R 1 O-)x Si(R 2)y(R 3)z的有机官能硅烷,至少一种选自金属乙酰丙酮化物,金属醇盐和烷氧基的金属化合物 金属乙酰丙酮化物。