Liquid initiator for carrying out anionic lactam...

Details Liquid initiator for carrying out anionic lactam... Liquid initiator for carrying out anionic lactam...

2005-04-19

2005-04-19

Hightower, P. Hampton (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

C528S310000, C528S315000, C528S316000, C528S323000, C528S326000, C502S100000, C428S402000, C264S176100, C264S209200, C264S211210, C264S212000, C264S219000, C264S239000, C264S298000, C264S299000, C264S309000, C264S328100

Reexamination Certificate

active

06881819

ABSTRACT:
The invention relates to a liquid initiator for carrying out anionic lactam polymerization. The liquid initiator contains a conversion product of isocyanate (1) with a protic compound (P) and a base (B) in an aprotic solvation agent (S).

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