| 摘要 |
1460234 Perester polymerization initiators AKZO NV 27 June 1975 [5 July 1974] 27367/75 Heading C3P [Also in Division C2] In the mass or suspension polymerization of vinyl chloride or the copolymerization of vinyl chloride with a monomer (Examples III-V) or in the copolymerization of an unsaturated polyester resin (Example VI), a polymer of superior properties is obtained if there is used, as polymerization initiator, a compound of formula. wherein R represents H or a (C 1-6 ) alkyl or alkoxy group. |
