Polylauryllactam low in fisheye gel content

Details Polylauryllactam low in fisheye gel content Polylauryllactam low in fisheye gel content

1974-10-29

1976-04-20

Phynes, Lucille M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 78L, C08G 6948, C08K 534

Patent

active

039519090

ABSTRACT:
Polylauryllactam low in fisheye gel content polymerized at temperatures ranging from about 260.degree. to 340.degree.C and in the presence of water and possibly in the presence of monocarboxylic acids having 2-18 carbon atoms or polycarboxylic acids having 2-12 carbon atoms as chain regulators, under pressure and with removal of the water, and possibly with post-condensation at temperatures ranging from about 200.degree. to 300.degree.C, wherein 2-hydroxyphenylbenzoxazole is added to the molten, lauryllactam monomer in such amounts that the polylauryllactam contains from about 0.05 to 1.5 percent by weight of 2-hydroxyphenylbenzoxazole.

REFERENCES:
patent: 2995540 (1961-08-01), Duennenberger et al.
patent: 3321436 (1967-05-01), Stilz et al.
patent: 3799899 (1974-03-01), Feinauer et al.

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