Silicon containing polyacetal copolymer and manufacturing method

Details Silicon containing polyacetal copolymer and manufacturing method Silicon containing polyacetal copolymer and manufacturing method

1992-08-17

1993-11-23

Dean, Jr., Ralph H.

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

Synthetic resins

From silicon reactant having at least one...

528 25, 528 27, C08G 7746, C08G 7708

Patent

active

052645169

ABSTRACT:
A silicon-containing polyacetal copolymer comprises silicone oil units having the formula (A) and polyacetal units: ##STR1## where R.sub.1 is an alkyl or phenyl group; R.sub.2 is a divalent organic group; X is a group selected from among --NH.sub.2, --OH, ##STR2## --R.sub.4 OH, --R.sub.5 COOH, --R.sub.6 COOR.sub.7, --R.sub.8 and OR.sub.9, where R.sub.3 is a divalent organic group, R.sub.4 .about.R.sub.6 are alkylene groups having 1 to 10 carbon atoms, R.sub.7 .about.R.sub.9 alkyl groups having 1 to 10 carbon atoms 1.about.10, and n is a number between 5.about.1000.

REFERENCES:
patent: 3491048 (1970-01-01), Sargent
patent: 3661854 (1972-05-01), Setterquist
Patent Abstracts of Japan, vol. 8, No. 7 (C-204) (1444), Jan. 12, 1984.
Patent Abstracts of Japan, vol. 9, No. 211 (C-300) (1934) Aug. 29, 1985.

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