Polymethacrylate ester/polysiloxane block co-polymers method for

Details Polymethacrylate ester/polysiloxane block co-polymers method for Polymethacrylate ester/polysiloxane block co-polymers method for

1995-04-18

1996-06-04

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

528 17, 528 18, 525100, C08G 7704

Patent

active

055233732

ABSTRACT:
The invention relates to polymethacrylate ester/polysiloxane block copolymer of the ABA or AB type, A being a polymethacrylate ester block and B a polysiloxane block. The invention furthermore relates to a method for the synthesis of such block copolymers as well as to a method to modify synthetic resins, particularly those based on (meth)acrylates, by adding an effective amount of the inventive block copolymer. The invention also relates to the block copolymer as additives for organic lacquer and varnish systems.

REFERENCES:
patent: 3663650 (1972-05-01), Juliano
patent: 4804737 (1989-02-01), Berger et al.
patent: 4908274 (1990-03-01), Jachmann et al.
Synthesis of ABA Block Co-Oligomers of Polymethylmethacraylate and Poly(Dimethylsiloxane) by Yves Pietrasanta, Etienne Fleury, Bernard Boutevin & Lena Sarraf; pp. 107-112 (1986).
Polymer Preprints published by The Division of Polymer Chemistry, Inc. vol. 29, No. 1, Jun. 1988, pp. 148 & 149.
Polymer Preprints published by The Division of Polymer Chemistry, Inc. vol. 30, No. 1, Apr. 1989, pp. 259 & 260.
Polymer Preprints published by The Division of polymer Chemistry, Inc. vol. 31, No. 1, Apr. 1990, pp. 510 & 511.

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