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首页> 外文期刊>journal of applied polymer science >Studies on macromolecular entanglement. II. Modification of macromolecular entanglements by heat treatment
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Studies on macromolecular entanglement. II. Modification of macromolecular entanglements by heat treatment

机译：Studies on macromolecular entanglement. II. Modification of macromolecular entanglements by heat treatment

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AbstractThe modifications of macromolecular entanglements in polyacrylonitrile copolymer fibers by heat setting in different mediums such as steam, hot air, and inert liquid are reported. The effects of applied tension, frozen internal stress, temperature, time, medium, crystallization, etc., during heat setting on the modification of entanglements are investigated in detail. These experimental results elucidate clearly the mechanism of entanglement and disentanglement and confirm fully the DSC method of swelling polymers for studying entanglement in solid polymer, as was previously published in Part I of this paper. © 1993 John WileySons, Inc

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