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    • 7. 发明公开
    • AMINO (METH)ACRYLATES
    • EP3401370A1
    • 2018-11-14
    • EP17170312.7
    • 2017-05-10
    • Allnex Belgium S.A.
    • POELMANS, KevinCAPPELLE, StevenPeeters, Stephan
    • C09D4/00C07C229/30C09D4/06C08F222/10C09D11/00
    • C08F222/10C07C229/30C08F283/10C08F2222/1026C08F2222/108C09D4/00C09D4/06C09D11/037C09D11/10C08F2222/1013C08F2222/1046
    • Provided in the invention is a radiation curable addition product ( AB, AC or ABC ) that contains (meth)acrylic groups and that is prepared from:
      (iv) at least one (meth)acrylated compound ( A ) that contains 2 or more (meth)acrylic ester groups per molecule,
      (v) at least one amino compound ( B1 ) that contains one (exactly one) primary amino group and at least one tertiary amino group
      and/or
      at least one amino compound ( C1 ) that contains one (exactly one) secondary amino group and at least one tertiary amino group,
      and, optionally,
      (vi) at least one amino compound ( B2 ) that is selected from ( B2-1 ) amino compounds that contain one (exactly one) primary amino group and/or from ( B2-2 ) amino compounds that contain two (exactly two) secondary amino groups, which amino compound ( B2 ) is different from amino compounds ( B1 ),
      and /or
      at least one amino compound ( C2 ) that contains one (exactly one) secondary amino group and no primary amino groups, which amino compound ( C2 ) is different from amino compounds ( C1 ),
      wherein
      - the nitrogen content of the radiation curable addition product ( AB, AC or ABC ) is at least 1.2 meq/g,
      - the average (meth)acrylate functionality per mole of the addition product ( AB, AC or ABC ) is at most 2, and
      - preferably, the molar ratio of amino compounds ( B1+B2 ) relative to (meth)acrylated compounds ( A ) is from 0.4 to 0.8.
      Materials of the invention are suitable for use in coating compositions, inks, paints, varnishes, adhesives, for the making of gel coats, composites, molding compositions or 3D articles. Materials of the invention are in particular suitable as surface cure booster in UV and UV LED applications.