HYDROPHILIC CURABLE COMPOSITION AND ITS PRODUCTION

PURPOSE:To obtain the subject composition excellent in surface hardness, adhesion and durability and useful for top coat, etc., by copolymerizing a specific alkoxysilyl group-containing monomer with an acrylic monomer in the presence of a tetraalkylsilicate, etc. CONSTITUTION:(B) An alkoxysilyl grou...

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Bibliographische Detailangaben
Hauptverfasser: KUSUMI AKIRA, ANDOU NAOTAMI
Format: Patent
Sprache:eng
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Zusammenfassung:PURPOSE:To obtain the subject composition excellent in surface hardness, adhesion and durability and useful for top coat, etc., by copolymerizing a specific alkoxysilyl group-containing monomer with an acrylic monomer in the presence of a tetraalkylsilicate, etc. CONSTITUTION:(B) An alkoxysilyl group-containing monomer containing a group of the formula [R is 1-10C alkyl; R is H, 1-10C alkyl, aryl or aralkyl; (a) is 0-2], e.g. gamma-methacryloxypropyl-trimethoxysilane is copolymerized with (C) an acrylic monomer such as methyl (meth)acrylate in the presence of (A) a tetraalkylsilicate such as tetramethylsilicate and/or its condensate to provide the objective composition. Furthermore, the component A and the copolymer of these components B and C are preferably blended in a ratio of 2-60 pts.wt. component A with 100 pts.wt. copolymer.