Preparation of nylon-6 with reduced levels of water-extractable

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymerizing in reactor of specified material – or in reactor...

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528312, 528313, 528314, 528320, 528323, C08G 6916, C08J 926, C08J 928

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active

043840850

ABSTRACT:
Poly(.epsilon.-caprolactam) is prepared with less than 3 percent water-extractable material by carrying out the polymerization reaction in a vessel, the interior surfaces of which are coated with an inert adherent coating of an organic polymer.

REFERENCES:
patent: 3669946 (1972-06-01), Koyanagi et al.
patent: 4007320 (1977-02-01), Petersen
patent: 4068059 (1978-01-01), Witenhafer
patent: 4090015 (1978-05-01), Koyanagi et al.
Modern Plastics Ency., vol. 57, No. 10A, pp. 3, 68, 70 and 550-552, Oct. 1980.

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