Pulverisable acrylate resins
Abstract
Abstract COPOLYMER OF FROM 10 TO 70 BY WEIGHT OF AT LEAST ONE ESTER OF ACRYLIC AND/OR METHACRYLIC ACID, 25 TO 75% BY WEIGHT OF AN OPTIONALLY SUBSTITUTED STYRENE, VINYL ESTER OR (METH) ACRLONITRILE, 5 TO 50% BY WEIGHT OF AT LEAST ONE MONOMER FROM THE GROUP OF A,B-MONO-OLEFINICALLY UNSATURATED CARBOXYLIC ACID WITH 3 TO 5 CARBON ATOMS, HYDROXYALKYL ESTERS OF THE FOREGOING ACIDS AND AMIDES AND AMIDES DERIVATIVES OF ACRYLIC AND METHACRYLIC ACID WHICH IS PULVERSIBLE, HAS A SOFTENING RANGE OF FROM 75 TO 110*C. AND AN AVERAGE MOLECULAR WEIGHT OF FRROM ABOUT 500 TO 10,00 AND PROCESS OF PRODUCING THE SAME BY MIXING SAIE COMPONENTS, BULK POLYMERIZING IN A FIRST STAGE TO A CONVERSION OFF 70 TO 90% WITH AN INITIATOR DECOMPOSING INTO RADICALS BELOW 70*C. AND FINISHING BULK POLYMERIZATION IN A SECOND STAGE TO ACONVERSION OF AT LEAST 95% WITH AN INITIATOR DECOMPOSING AT FROM 120 TO 170*C.
Inventors
- 👤 H Appel
- 👤 H Bartl
- 👤 F Wingler
- 👤 J Pedain
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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