发明名称 |
Low profile additives for crosslink resins |
摘要 |
<p>Shrinkage of cured resins is reduced by mixing the crosslinkable resin with a low profile additive (LPA). The LPA is in the form of particles which comprise an SCC polymer (or a similar crystalline polymer which melts over a narrow temperature range). The system is cured at a temperature above the melting point of the crystalline polymer (Tp), and the system and the LPA are such that at least part of the LPA remains as a separate phase in the curable resin at temperatures below Tp. It is believed that at least part of the crystalline polymer remains as a separate phase in the resin as it cures. Preferably at least part of the crystalline polymer forms a separate phase in the cured polymer after it has cooled. <IMAGE></p> |
申请公布号 |
EP0930343(A2) |
申请公布日期 |
1999.07.21 |
申请号 |
EP19990300322 |
申请日期 |
1999.01.18 |
申请人 |
LANDEC CORPORATION |
发明人 |
TAFT, DAVID D.;BITLER, STEVEN P. |
分类号 |
C08F4/06;C08L101/00;(IPC1-7):C08L101/00 |
主分类号 |
C08F4/06 |
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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