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发明名称
Process for producing a phenolic foam
摘要
A process for producing a strong, lightweight, pH-neutral phenolic foam by providing a novelac resin and a resole resin with a solid-state blowing agent activated at a specific time in a melt for the formation of a foam.
申请公布号
US7605189(B1)
申请公布日期
2009.10.20
申请号
US20060438105
申请日期
2006.05.22
申请人
BROTZ GREGORY R
发明人
BROTZ GREGORY R.
分类号
C08L61/10;C08J9/00
主分类号
C08L61/10
代理机构
代理人
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地址
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