Method for inhibiting polymerization of (meth)acry

专利名称：Method for inhibiting polymerization of

(meth)acrylic acid and esters thereof

发明人：Sakamoto, Kazuhiko,Takeda,

Takahiro,Ueoka, Masatoshi,Akazawa,Yoji,Baba, Masao

申请号：EP94105788.7申请日：19940414公开号：EP0620206B2公开日：20000517

摘要：Disclosed is a method for inhibiting polymerizable (meth)acrylic acid and estersthereof from polymerizing during their production, transportation and storage by usingas the inhibitor (A) at least one N-oxyl compound, (B) at least one phenol compound, and(C) at least one phenothiazine compound in combination with one another. (A) is selectedfrom 2,2,6,6-tetramethylpiperidinooxyl, 4-hydroxy-2,2,6,6-tetramethylpiperidinooxyl, and4,4',4''-tris-(2,2,6,6-tetramethylpiperidinooxyl)phosphite, and combinations thereof andthe phenol compound is hydroquinone and/or methoquinone. The combined use of thethree inhibitors provides an inhibiting effect which is superior to their use alone or inpairs.

申请人：NIPPON CATALYTIC CHEM IND

地址：JP

国籍：JP

代理机构：VOSSIUS & PARTNER

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