专利名称：Photodegradable copolymers of ethylene
and vinyl alcohol containing ketoethergroups
发明人：Nicola Palladino,Marcello Mazzei,Paolo
Bacchin,Walter Marconi
申请号：US05/517755申请日：19741024公开号：US03976621A公开日：19760824
摘要：A copolymer of ethylene and vinyl alcohol which contains ketoether groups andis photodegradable under the direct action of sunlight is prepared by reacting anethylene-vinyl alcohol copolymer with alpha- diazoacetophenone in the presence of anorganic solvent and a catalyst consisting of a Lewis acid.
申请人：SNAM PROGETTI S.P.A.
代理人：Ralph M. Watson
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