专利名称：Process for producing vinylamine-vinyl
alcohol copolymer and use of thecopolymer
发明人：Mori, Yasuharu, Mitsubishi Chemical
Corporation,Sato, Koichi, Mitsubishi ChemicalCorporation,Ueno, Nobuhiko, MitsubishiChemical Corporation
申请号：EP00116134.8申请日：20000731公开号：EP1178056B1公开日：20061004
摘要：Disclosed is a process for producing a powdered water-soluble polymercomprising hydrolyzing a copolymer comprising an N-vinylamide unit and a vinyl acetateunit while dispersed in water under a basic condition and then washing the resultingpowdered water-soluble polymer with at least one washing liquid selected from analcohol, water at 20°C or lower, and salt water.
申请人：MITSUBISHI CHEM CORP
地址：JP
国籍：JP
代理机构：HOFFMANN EITLE
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