Polyamide having --NH--(CH.sub.2).sub.4 --CH(NRR')--CO--units

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof

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Details

528312, 528319, 528325, 528328, 528329, C08G 6914

Patent

active

042974771

ABSTRACT:
Provided are polyamides having properties which make them useful as adhesives, sizing agents, paper strength enhancers and as resins. These polyamides are prepared by heating an alpha-(N,N-disubstituted amino)-E-caprolactam, alone or in combination with one or more comonomers, in the presence of an anionic polymerization catalyst, and are characterized by a repeating unit reprsented by the formula ##STR1## wherein R and R' are each a lower alkyl group or a cyclic amine residue, and also having a relative viscosity of at leasrt 1.5.

REFERENCES:
patent: 3907755 (1975-09-01), Margraff et al.

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