专利名称：Method for inhibiting polymerization of
(meth) acrylic acid and esters thereof
发明人：Kazuhiko Sakamoto,Takahiro
Takeda,Masatoshi Ueoka,YojiAkazawa,Masao Baba
申请号：US08/444869申请日：19950519公开号：US05504243A公开日：19960402
摘要：Disclosed herein is a method for inhibiting polymerizable (meth) acrylic acid andesters thereof from polymerizing during their production, transportation and storage byusing as the inhibitor N-oxyl compound and more than one compound selected from thegroup consisting of manganese salt compound, copper salt compound, 2,2,6,6,-tetramethylpiperidine compound and nitroso compound. The N-oxyl compound is one ormore kinds selected from 2,2,6,6,-tetramethylpiperidinooxyl, 4- hydroxy-2,2,6,6,-tetramethylpiperidinooxyl and 4,4',4\"-tris-(2,2,6,6,- tetramethylpiperidinooxyl)phosphite.The combined use of the inhibitors provides superior inhibiting effect to use alone.
申请人：NIPPON SHOKUBAI CO., LTD.
代理机构：Oblon, Spivak, McClelland, Maier & Neustadt
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