Benzylidenemalonic or vinylogous benzylidenemalonic acid polyest

Details Benzylidenemalonic or vinylogous benzylidenemalonic acid polyest Benzylidenemalonic or vinylogous benzylidenemalonic acid polyest

1984-10-17

1986-05-13

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

428200, 428213, 524287, 524288, 524290, 524291, 525441, 525439, 528274, C08G 6302

Patent

active

045888078

ABSTRACT:
The present invention relates to new benzylidenemalonic or vinylogous benzylidenemalonic acid polyesters containing structural units of the formula (I) ##STR1## their preparation and their use for the UV stabilization of thermoplastics, preferably thermoplastic, aromatic polycarbonates, thermoplastic, aromatic polyesters or thermoplastic polymethylmethacrylates.

REFERENCES:
patent: 2859195 (1958-11-01), Reid et al.
patent: 3627725 (1971-12-01), Gilles
patent: 3721704 (1973-03-01), Dexter
patent: 3943106 (1976-03-01), Schmidt et al.
patent: 4081475 (1978-03-01), Spivack
patent: 4228067 (1980-10-01), Lachmann et al.
Synthesis of Photocrosslinkable Polyesters by the Knoevenagel Reaction, Journal of Polymer Science: Polymer Chemistry Edition, pp. 1733-1752; vol. 11, No. 7, Jul. 1973, John Wiley & Sons, Inc.

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