发明名称 PHOTOCURABLE ELASTOMER COMPOSITION, GASKET FOR HARD DISK DRIVE AND HARD DISK DRIVE
摘要 <p>PROBLEM TO BE SOLVED: To provide a photocurable elastomer composition which has excellent flexibility and barrier properties when hardened and is small in compression permanent strain.SOLUTION: A photocurable elastomer composition comprises (A) a liquid polymer containing at least 80% of units selected from those originated from hydrogenated products of polyisoprene, hydrogenated products of polybutadiene, hydrogenated products of styrene-butadiene copolymers and ethylene-propylene copolymers, (B) a polymer containing at least two reactive functional groups, per molecule, of at least one kind selected from (meth)acrylic, vinyl, vinylidene and maleimide groups, (C) a (meth)acrylate monomer and (D) a photopolymerization initiator, in a mass ratio (A):(B) of 25:75 to 75:25 and a content of (C) of 50 mass% or lower with respect to the combined content of (A), (B) and (C).</p>
申请公布号 JP2014148647(A) 申请公布日期 2014.08.21
申请号 JP20130019671 申请日期 2013.02.04
申请人 BRIDGESTONE CORP 发明人 KURATA TOSHIHIKO
分类号 C08F290/04;C09K3/10;F16J15/10 主分类号 C08F290/04
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