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Initiators for polymerisation of alpha, alpha - initiators for polymerisation of alpha alpha dialkyl-beta-p
Initiators for polymerisation of alpha, alpha - initiators for polymerisation of alpha alpha dialkyl-beta-p
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机译:用于α,α聚合的引发剂-用于αα二烷基-β-p聚合的引发剂
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摘要
The initiators used are N-alkyl-substd. acids of P(III) or P(IV) of formula: wherein R' and R" are aliphatic residues or form heterocycles with the amide nitrogen, and R are aryl, alkyl, aroxy, alkoxy or The products are film- and fibre-forming polyesters.
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