| COMPATIBILITY AND PHASE BEHAVIOR OF PS/SBR BLEND Ⅰ. EFFECT OF MOLECULAR WEIGHT OF PS |
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| 引用本文： | 戴莹琨,冯之榴.COMPATIBILITY AND PHASE BEHAVIOR OF PS/SBR BLEND Ⅰ. EFFECT OF MOLECULAR WEIGHT OF PS[J].高分子科学,1990,0(4):321-329. |
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| 作者姓名： | 戴莹琨 冯之榴 |
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| 作者单位： | Changchun Institute of Applied Chemistry，Academia Sinica，Changchun Institute of Applied Chemistry，Academia Sinica Changchun，Changchun |
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| 基金项目： | This work was supported by the Selected Research Program of Academia Sinica and National Natural Science Foundation of China. |
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| 摘 要： | The results of this study reveals not only the sensitivity of the compatibility of PS with SBR to the molecular weight (MW) of PS and temperature, but also some other interesting characteristics, i. e., unusual morphology change during the process of mixing with increase in temperature of specimen preparation observed under optical microscope and double-peak UCST curves for three blends with PS of low MW from DSC data. Acording to the amount of inward shift of the component T_g's and the broadening of the transition regions, it may be said that this polymer pair is compatible only when the MW of PS is low, and even then there still exists micro-heterogeneity.
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| 收稿时间： | 1989-05-03 |
COMPATIBILITY AND PHASE BEHAVIOR OF PS/SBR BLEND Ⅰ. EFFECT OF MOLECULAR WEIGHT OF PS |
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| DAI Yingkun,FENG Zhiliu.COMPATIBILITY AND PHASE BEHAVIOR OF PS/SBR BLEND Ⅰ. EFFECT OF MOLECULAR WEIGHT OF PS[J].Chinese Journal of Polymer Science,1990,0(4):321-329. |
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| Authors: | DAI Yingkun FENG Zhiliu |
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| Institution: | Changchun Institute of Applied Chemistry; Academia Sinica; Academia Sinica Changchun; Changchun |
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| Abstract: | The results of this study reveals not only the sensitivity of the compatibility of PS with SBR to the molecular weight (MW) of PS and temperature, but also some other interesting characteristics, i. e., unusual morphology change during the process of mixing with increase in temperature of specimen preparation observed under optical microscope and double-peak UCST curves for three blends with PS of low MW from DSC data. Acording to the amount of inward shift of the component T_g's and the broadening of the transition regions, it may be said that this polymer pair is compatible only when the MW of PS is low, and even then there still exists micro-heterogeneity. |
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| Keywords: | Compatibility Phase behavior Blends UCST |
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