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Complex Hollow Fiber Having Improved Bulky Property and fibrous assemblies using thereof
Complex Hollow Fiber Having Improved Bulky Property and fibrous assemblies using thereof
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机译:具有改善的膨松性的复合中空纤维及其使用的纤维集合体
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摘要
The present invention relates to a high viscosity polyester (a) having an intrinsic viscosity of 0.60 to 0.90 containing pyromellitic dianhydride (PMDA) and trimethylol propane (TMP) which are multifunctional components and an intrinsic viscosity of 0.40 to 0.68 And a low viscosity polyester (b) is formed into a hollow side by side structure.
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