发明名称 |
Pressure-sensitive adhesive composition and pressure-sensitive adhesive sheets |
摘要 |
<p>Disclosed are a pressure-sensitive adhesive composition comprising a reactive mixture of a relatively low molecular weight acrylic prepolymer containing highly reactive hydroxyl groups in the molecule thereof which is obtained by copolymerizing two alkyl acrylate monomers satisfying a specific relationship and, as a chain extender, a polyfunctional isocyanate mainly exhibiting bifunctionality; a pressure-sensitive adhesive composition comprising the above reactive mixture and a relatively high molecular weight polymer component; and pressure-sensitive adhesive sheets having a pressure-sensitive adhesive layer comprising those pressure-sensitive adhesive compositions. Because the molecular chain of the acrylic prepolymer is extended efficiently, the amount of an organic solvent required for viscosity adjustment can be decreased.</p> |
申请公布号 |
EP0819713(B1) |
申请公布日期 |
2003.06.04 |
申请号 |
EP19970111856 |
申请日期 |
1997.07.11 |
申请人 |
NITTO DENKO CORPORATION |
发明人 |
KOJIMA, MAKOTO;TAMAI, HIRONORI;KAWAGUCHI, YOSHIHIDE;TANAKA, YOSHIKAZU;KOJIMA, KATSUHIDE |
分类号 |
C09J7/02;C08G18/62;C09J175/00;C09J175/04;(IPC1-7):C08G18/62;C09J133/14 |
主分类号 |
C09J7/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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