发明名称 |
Method for preparing water-soluble lacquer |
摘要 |
This invention relates to a method for preparing a water soluble lacquer, which comprises dissolving polyethylene oxide having a molecular weight of at least 2,500,000 in water to form a polyethylene oxide aqueous solution, adding acid to said solution in such a manner as to adjust the pH of the solution in the range of from 3.0 to 5.0, heating the resultant solution at a temperature of not lower than 95 DEG C., cooling the solution and removing the remaining acid with an ion exchange resin.
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申请公布号 |
US4312895(A) |
申请公布日期 |
1982.01.26 |
申请号 |
US19810230881 |
申请日期 |
1981.02.02 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
YAMAZAKI, HITOSHI;ITO, HIROSHI;TAKEDA, TOSHIYUKI;ENOMOTO, JUNZO |
分类号 |
C08G65/30;C09D171/02;C09K11/02;(IPC1-7):B05D7/22;C08L71/02 |
主分类号 |
C08G65/30 |
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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