Polyacetal and process of producing same

Details Polyacetal and process of producing same Polyacetal and process of producing same

1981-06-04

1983-03-22

Cockeram, H. S.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525398, 525403, 525408, 528232, 528233, 528236, 528238, 528241, 528242, 528243, 528248, 528250, 528270, C08F 434, C08G 600

Patent

active

043776671

ABSTRACT:
A polyacetal suitable for moldings which are excellent in lubricity, wear and antistatic properties, which has at least one terminal of its linear polymer molecule capped with an alkylene oxide adduct of an alcohol or a carboxylic acid, which adduct is of the formula ##STR1## wherein R.sub.o is a hydrogen atom, alkyl group, substituted alkyl group, aryl group, or substituted aryl group, R.sub.o 's may be the same or different, R.sub.1 is an alkyl group, substituted alkyl group, aryl group, or substituted aryl group, R.sub.2 is a hydrogen atom, alkyl group, substituted alkyl group, aryl group, or substituted aryl group, m is from 2 to 6, and n is from 1 to 1,000; the number average molecular weight of said polyacetal being in the range from 10,000 to 500,000 excluding the terminal group.

REFERENCES:
patent: 2768994 (1956-10-01), MacDonald
patent: 3293220 (1966-12-01), Minami et al.
patent: 3346663 (1967-10-01), Kern et al.
patent: 3470135 (1969-09-01), Ishida et al.

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