Process for producing synthetic flame resisting polyamides, flam

Details Process for producing synthetic flame resisting polyamides, flam Process for producing synthetic flame resisting polyamides, flam

1980-01-03

1982-03-23

Kight, III, John

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

528314, 528323, C08K 534

Patent

active

043211887

ABSTRACT:
A method for producing flame resistant synthetic polyamides, suitable for inning is described, wherein melamine and isocyanuric acid are reacted in an aqueous environment at the melamine isocyanurate formation temperature. An aqueous suspension of melamine isocyanurate is obtained having a maximum granule size not exceeding 2 microns, substantially free from agglomerates. The suspension is admixed with the monomeric material and the whole is submitted to polymerization. The invention provides a successful method for obtaining flame-resisting polyamide fibers and yarns owing to the presence therein of the melamine isocyanurate additive.

REFERENCES:
patent: 2205722 (1940-06-01), Graves
patent: 2820770 (1958-01-01), Adams
patent: 3039990 (1962-06-01), Huffman
patent: 3065208 (1962-11-01), Papero, Jr. et al.
patent: 3148170 (1964-09-01), Notarbartolo et al.
patent: 3386967 (1968-06-01), Twilley
patent: 4060518 (1977-11-01), Jeserich et al.
patent: 4061708 (1977-12-01), Lazarus
patent: 4180496 (1979-12-01), Yanagimoto et al.

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