Effect of Molecular Weight and Molecular Weight Distribution on Polymer Properties - 5. Influence of MWD of Polyethyleneterephthalate on Its Crystallizability.

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作者：
Kaminska, Alina
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来源：
Polimery/Polymers | 1973年 / 18卷 / 10期
关键词：
PLASTICS; -; Crystallization;
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摘要：
Six samples of polyethyleneterephthalate of similar intrinsic viscosities and different MWD have been crystallized under identical conditions. It has been found that the ability to crystallization decreases with MWD increase. It has been observed that in samples of different MWD the negative influence of MWD on crystallizability predominates over the positive effect resulting from the presence of fractions of low molecular weight. The crystallization of samples of the same viscosity values and similar MWD is the more hindered the higher the content of high molecular weight fractions.
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页码：522 / 523
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