| MECHANICAL MODEL FOR TWO-PHASE POLYMER BLEND SYSTEMS WITH THE CHARACTERISTICS OF PHASE INVERSION |
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| 作者姓名： | 陈大俊 周涵新 孙桐 |
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| 作者单位： | China Textile University，Shanghai 200051，PRC，China Textile University，Shanghai 200051，PRC，China Textile University，Shanghai 200051，PRC |
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| 基金项目： | Project supported by the National Natural Science Foundation of China. |
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| 摘 要： | For two-phase polymer blend systems, the phase inversion will take place as the blendcomposition is changed. In this paper a mechanical model has been proposed to describe themodulus-composition relation in the phase inversion region. The application of the mechanicalmodel to two polyurethane blend systems has been studied. It was found that the theoreticalprediction for the modulus-composition relation is quite consistent with the experimentalresults. Furthermore, the characteristics of the phase inversion can be determined uniquelyby the parameters involved in the mechanical model.
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MECHANICAL MODEL FOR TWO-PHASE POLYMER BLEND SYSTEMS WITH THE CHARACTERISTICS OF PHASE INVERSION |
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| CHBN DA-JUN,ZHOU HAN-XIN,SUN TONG China Textile University,Shanghai ,PRC.MECHANICAL MODEL FOR TWO-PHASE POLYMER BLEND SYSTEMS WITH THE CHARACTERISTICS OF PHASE INVERSION[J].Science in China(Chemistry),1991(5). |
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| Authors: | CHBN DA-JUN ZHOU HAN-XIN SUN TONG China Textile University Shanghai PRC |
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| Institution: | CHBN DA-JUN,ZHOU HAN-XIN,SUN TONG China Textile University,Shanghai 200051,PRC |
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| Abstract: | For two-phase polymer blend systems, the phase inversion will take place as the blend
composition is changed. In this paper a mechanical model has been proposed to describe the
modulus-composition relation in the phase inversion region. The application of the mechanical
model to two polyurethane blend systems has been studied. It was found that the theoretical
prediction for the modulus-composition relation is quite consistent with the experimental
results. Furthermore, the characteristics of the phase inversion can be determined uniquely
by the parameters involved in the mechanical model. |
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| Keywords: | polymer blends phase inversion mechanical model |
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