Production of thermoplastic resin having high impact resistance

Details Production of thermoplastic resin having high impact resistance Production of thermoplastic resin having high impact resistance

C - Chemistry, Metallurgy

08

F

C08F 279/04 (2006.01) C08F 285/00 (2006.01) C08K 5/107 (2006.01) C08L 51/04 (2006.01)

Patent

CA 2078829

In a process for producing a thermoplastic resin by emulsion polymerization using a conjugated dime rubber, an aromatic vinyl compound and a vinyl cyanide compound, and by successive flocculation and direct pelletizing, the direct pelletizing is effected in the presence of a phenolic compound represented by Image wherein R1 and R4 are each hydrogen or methyl, and R2 and R3 are each an alkyl of 1 to 9 carbon atoms. The use of the phenolic compound is effective to prevent the resin from thermal deterioration during the direct pelletizing, thereby producing the thermoplastic resin excellent in properties such as impact resistance.

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