POLYMERIZED MALONIC ACID DERIVATIVE, MANUFACTURE AND PHOTOSTABILIZED ORGANIC POLYMER

Title:

POLYMERIZED MALONIC ACID DERIVATIVE, MANUFACTURE AND PHOTOSTABILIZED ORGANIC POLYMER

Document Type and Number:

Japanese Patent JPS5838720

Kind Code:

A

Abstract:

Polymers or oligometic compounds of the general formula in which X, Xa and Xb are an ester, amide or cyano group, Y, Ya and Yb are -O- or -NR10-, R1, R1a and R1b are a group which contains a polyalkylpiperidine radical, and R1a can also be alkyl, and R3, R3a and R3b are alkylene, alkenylene, arylene-dialkylene, cycloalkylene-dialkylene or monooxa-alkylene or polyoxa-alkylene, can be prepared by the polycondensation of malonic acid esters or amides or cyanoacetic acid esters or amides with difunctional compounds, preferably dihalogen compounds, in the presence of bases. The products obtained have a molecular weight of 800 to 20,000 and are outstanding light stabilizers for organic polymers.

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Inventors:

FURIIDORITSUHI KARERU

Application Number:

JP14159282A

Publication Date:

March 07, 1983

Filing Date:

August 14, 1982

Export Citation:

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Assignee:

CIBA GEIGY AG

International Classes:

C07D211/14; C07D211/46; C07D211/58; C07D491/113; C07D519/00; C08G61/00; C08G61/02; C08G61/10; C08K5/00; C08G61/12; C08K5/34; C08K5/3412; C08K5/3435; C08L23/00; C08L65/00; C08L101/00; (IPC1-7): C07D211/14; C07D211/46; C07D211/58; C07D519/00; C08G61/02; C08K5/34; C08L65/00

Attorney, Agent or Firm:

Kaname Yumi

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