Polyamide-polyol-triazine block copolymer and anionic polymeriza

Details Polyamide-polyol-triazine block copolymer and anionic polymeriza Polyamide-polyol-triazine block copolymer and anionic polymeriza

1983-06-13

1984-12-11

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

525 50, 525419, 525420, 525434, 528314, C08G 6914

Patent

active

044879202

ABSTRACT:
Impact modified polyamide/polyether block copolymers have increased impact strength for corresponding polyol concentration, which can be achieved using certain difunctional and tri-functional symmetrical triazine derivatives as the co-catalyst/coupling agent, and lactamyl salts as the catalyst. Also disclosed is an improved anionic polymerization process, especially suitable for reaction injection molding.
The impact modified polyamide/polyether block copolymers have segments of formulae I and II and either III or IV or both III and IV: ##STR1##

REFERENCES:
patent: 3017391 (1962-01-01), Mottus et al.
patent: 3448085 (1969-06-01), Pietrusza et al.
patent: 3485822 (1969-12-01), Pietrusza et al.
patent: 3867383 (1975-02-01), Winter
patent: 4031164 (1977-06-01), Hedrick et al.
J. Am. Chem. Sol. vol. 70, pp. 3726-3728; "Substituted Chlorodiaminos-triazines"; William M. Pearlman et al. (1948).
J. Org. Chem., vol. 35, No. 11, 1970, pp. 3967-3968; "Cyanuric Chloride, A Novel Laboratory Hydrochlorinating Reagent for Alcohols"; Stanley R. Sandler.

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