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吸水性樹脂粒子の製造方法
专利权人:
住友精化株式会社
发明人:
小野田 裕一,谷村 健二,半田 昌良,上田 耕士
申请号:
JP20140500620
公开号:
JP6063440(B2)
申请日:
2013.01.22
申请国别(地区):
日本
年份:
2017
代理人:
摘要:
Disclosed is a method for producing water-absorbing resin particles involving a polymerization step in which a suspension is prepared by suspending, in an oil-based solution containing a hydrocarbon dispersion medium and a surfactant with HLB 6 or higher, an aqueous solution containing water and a water-soluble ethylenically unsaturated monomers dissolved in the water, and in which the water-soluble ethylenically unsaturated monomers are polymerized while supplying an inert gas in the suspension. The gas supply ratio represented by the ratio of the volume of inert gas supplied in one minute to the total volume of the aqueous solution and the hydrocarbon dispersion medium is 0.1-3.0.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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