Polymerization of caprolactam with certain quaternary ammonium c

Details Polymerization of caprolactam with certain quaternary ammonium c Polymerization of caprolactam with certain quaternary ammonium c

1997-08-22

1999-01-12

Hampton-Hightower, P.

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

Synthetic resins

From carboxylic acid or derivative thereof

528310, 528315, 528319, 528326, C08G 6924

Patent

active

058591788

ABSTRACT:
A process for the polymerization of caprolactam to nylon-6 polymer, comprising the use of a polymerization accelerator having the structural formula ##STR1## wherein R.sup.1, R.sub.2, R.sub.3 and R.sub.4 are alkyl, aryl and aralkyl radicals and mixtures thereof, and X is a halogen ion other than iodide and the temperature of said polymerization process is carried out at between about room temperature and about 115.degree. C.

REFERENCES:
patent: 3875121 (1975-04-01), Brassat et al.
patent: 3919175 (1975-11-01), Kralicek et al.
patent: 4107154 (1978-08-01), Bacskai
patent: 4145519 (1979-03-01), Bacskai
patent: 4217442 (1980-08-01), Barnes et al.
Journal of Polymer Science Part C, No. 4 pp. 1097-1103, C: Mermoud "Nouvelle Classe de Cocatalyseurs dans la Polymerisation An ioni que due Carolacxame",The date of publication is not available.

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