Thermal Evolution Behavior of Solution-cast Film of PPO/PS Blends

Abstract

Abstract: Thermal evolution behavior of solution-cast film of Poly(2,6-dimethyl 1,4-phenylene oxide)(PPO)/polystyrene(PS) blend was investigated by conventional and modulated differential scanning calorimetry. It was found that the original PPO/PSblend film is actually composed by a crystalline PPOphase and a non crystalline compatible PPO-PSphase. The phase-segregated structure state(A) will evolve to non-crystalline homogenous structure(B) by subsequent thermal treatment. The effect of annealing temperature on the evolution process was discussed.

Key words: Poly(2,6-dimethyl 1,4-phenylene-oxide), Polystyrene, Crystalline, Thermal behavior

CLC Number:

TQ311

TrendMD:

PAN Yan, FU Wei-Wen, XUE Feng, CHENG Rong-Shi, LUO Yuan-Fang, GU Ju . Thermal Evolution Behavior of Solution-cast Film of PPO/PS Blends[J]. Chem. J. Chinese Universities, 2001, 22(7): 1268.

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Thermal Evolution Behavior of Solution-cast Film of PPO/PS Blends

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