Title: Highly polymerizable n-vinylcarboxylic acid mide and production process thereof
Application Number: 95197828 Application Date: 1995.12.28
Publication Number: 1193959 Publication Date: 1998.09.23
Approval Pub. Date: Granted Pub. Date: 2002.04.17
International Classifi-cation: C07C231/24,C07C233/03,C07C233/04,C08F126/02
Applicant(s) Name: Showa Denko K.K. Address:
Inventor(s) Name: Aizawa Toshiyuki, Nakamura Hitoshi
Attorney & Agent: tai gong
Abstract:
     A highly polymerizable N-vinylcarboxylic acid amide having an N-1,3-butadienylcarboxylic acid amide content of 30 ppm or less, a process for producing the same, and a process for producing a homopolymer of N-vinylcarboxylic acid amide or a copolymer thereof with another copolymerizable monomer using the same. Also, a highly polymerizable N-vinylcarboxylic acid amide is produced by thermal cracking or catalytic cracking of N-(1-alkoxyethyl) carboxylic acid amide or ethylidenebiscarboxylic acid amide, wherein the N-vinylcarboxylic acid amide content of the N-(1-alkoxyethyl)-carboxylic acid amide or ethylenbiscarboxylic acid amide is 10 wt.% or less.
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