Polylactone-modified organopolysiloxane compounds

Details Polylactone-modified organopolysiloxane compounds Polylactone-modified organopolysiloxane compounds

1990-06-04

1993-01-12

Dean, Jr., Ralph H.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524425, 524436, 524437, 524442, 524445, 524449, 524451, 524779, 524786, 524788, 524789, 524791, 525100, 525104, 525105, 525106, 525393, 525446, 525453, 525464, 525476, 525477, 528 15, 528 18, 528 25, 528 28, C08L 100, C08L 8310, C08L 8312, C08G 7701

Patent

active

051791420

ABSTRACT:
A polylactone-modified organopolysiloxane compound, wherein a polylactone-containing group represented by the formula (I) is bound to a silicon atom located at at least either of the terminal positions and/or intermediate positions to impart excellent properties as a synthetic resin modifier (when Y in (I) is an acetyl group or a hydrogen atom) or as a film former (when Y in (I) is a hydrogen atom): ##STR1## wherein Z represents a trivalent hydrocarbon residue which may contain oxygen, sulfur or/and nitrogen atom(s); X represents a lactone group of the formula, ##STR2## (wherein R represents a hydrogen atom or an alkyl group containing from 1 to 12 carbon atoms; a represents an integer from 4 to 6), k and L each represents an integer of 1 or more; and Y represents a hydrogen atom or an acetyl group.

REFERENCES:
patent: 3919438 (1975-11-01), Urkevich
patent: 4613641 (1986-09-01), Hausennestel et al.
patent: 4636552 (1987-01-01), Gay et al.
patent: 4812518 (1989-03-01), Haubennestel et al.

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