发明名称 |
POLYURETHANE/THIOURETHANE-BASED OPTICAL RESIN AND PROCESS FOR PRODUCING THE SAME |
摘要 |
<p>Provided is a process which can be carried out upon the production of a polyurethane/thiourethane-based resin with the use of a polyisocyanate compound, a polyol compound, and a polythiol compound, without causing abrupt heat generation or viscosity increase. At least one polyol compound having at least one ether bond and two or more hydroxy groups in a molecule is used as the polyol compound, whereby a large heat generation or an abrupt viscosity increase are prevented from occurring upon blending monomer.</p> |
申请公布号 |
EP1923415(B1) |
申请公布日期 |
2010.12.08 |
申请号 |
EP20060782344 |
申请日期 |
2006.08.04 |
申请人 |
MITSUI CHEMICALS, INC. |
发明人 |
KOHGO, OSAMU;MOHRI, JUNICHI;RYU, AKINORI;TANAKA, MAMORU;OKUMURA, KUNIO |
分类号 |
G02B1/04;C08G18/38;C08G18/48;C08G18/75 |
主分类号 |
G02B1/04 |
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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