发明名称 |
Process for refining crude resin for electronic material |
摘要 |
A process is provided for effectively removing by-products such as oligomers contained within a crude resin for an electronic material, thus producing a resin for an electronic material. In this process, a crude resin for an electronic material containing (a1) structural units derived from a (meth)acrylate ester with a hydrophilic site is washed using (b1) an organic solvent which is capable of dissolving said crude resin for an electronic material and which separates into two layers when combined with water, and (b2) water.
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申请公布号 |
US2006141384(A1) |
申请公布日期 |
2006.06.29 |
申请号 |
US20050543263 |
申请日期 |
2005.07.25 |
申请人 |
HADA HIDEO;IWAI TAKESHI;TAKESHITA MASARU;HAYASHI RYOTARO;MUROI MASAAKI;ATSUCHI KOTA;TOMIDA HIROAKI;SHIOTANI KAZUYUKI |
发明人 |
HADA HIDEO;IWAI TAKESHI;TAKESHITA MASARU;HAYASHI RYOTARO;MUROI MASAAKI;ATSUCHI KOTA;TOMIDA HIROAKI;SHIOTANI KAZUYUKI |
分类号 |
G03C1/76;C08F6/06;C08F220/28;C08J3/14;C11B;G03F7/039;G03F7/26 |
主分类号 |
G03C1/76 |
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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