| 摘要 |
A polymer stabilizer can be molded easily by compression-molding a compound represented by formula (1): wherein, R1 and R2 represent each independently an alkyl group having 1 to 8 carbon atoms, an aryl group having 6 to 12 carbon atoms or an aralkyl group having 7 to 18 carbon atoms; R3 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, and R4 represents a hydrogen atom or a methyl group. Further, the polymer stabilizer molding of the present invention is capable of further improving the processing stability of a thermoplastic polymer.
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