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The method of producing water 发明授权

2022-12-30 2230 55K 0

专利信息

申请日期 2025-07-20 申请号 JP2004018697
公开(公告)号 JP4545448B2 公开(公告)日 2010-09-15
公开国别 JP 申请人省市代码 全国
申请人 Nippon Shokubai4628
简介 PROBLEM TO BE SOLVED : To provide an improved simpler preparation process of a water absorptive molded product without using a thickening agent. SOLUTION : This preparation process is carried out by irradiating a water solution comprising a photopolymerization initiator and a water-soluble ethylenic unsaturated polymer with a light up to give a desired viscosity and discontinue the irradiation. The resultant thickened water solution is molded in a desired form and then it is re-irradiated with the light to complete the polymerization. COPYRIGHT : (C)2004, JPO&NCIPI


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