Resinous composition
Abstract
Abstract A RESINOUS MATERIAL, AND METHOD FORITS PREPARATION, HAVING A SOFTENING POINT OF FROM ABOUT 70*C. TO ABOUT 130*C. COMPRISING FROM ABOUT 10 TTO ABOUT 80 PERCENT UNITS DERIVED FROM VINYL TOLUENE, FROM AOUT 10 TO ABOUT 80 PERCENT UNITS DERIVED FFROM A-METHYL STYRENE, AND FROM ABOUT 10 TO ABOUT 50 PERCENT UNITS DERIVED FROM STYRENE IN WHICH THE MOLE RATIO OF VINYL TOLUENE TO STYRENE IS FROM ABOUT 3/1 TO ABOUT 1/1. THE RESINOUS MATERIAL IS PREPARED BY POLYMERIZING THE MONOMERS IN THE PRESENCE OF ANHYDROUS CATALYST SELECTED FROM BORON TRIFLUORIDE, BORON TRIFUORIDE ETHERATE, ALUMINUM CHLORIDE, ETHYL ALUMINUM DICHLORIDE AND STANNIC CHLORIDE. THE PREFERRED CATALYST IS BORON RIFFLUORIDE. THE RESINOUS MATERIAL OF THIS INVENTION HAS PARTICULAR UTILITY AS RESINS FOR HOT MELT COATINGS AND ADHESIVES.
Inventors
- 👤 D Cyr
Bibliographic Details
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