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Meta-Aramid Fiber improved whiteness and Method for Preparing the Same
Meta-Aramid Fiber improved whiteness and Method for Preparing the Same
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机译:间位芳族聚酰胺纤维改善了白度及其制备方法
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摘要
The present invention dissolves metaaramid polymerized with M-phenylene diamine (MPD) and isophthaloyl chloride (IPC) in a polar amide solvent to form a metaaramid dope. In the method for producing a meta-aramid fiber having improved whiteness produced by spinning the meta-aramid dope, the meta-aramid fiber is a meta-aramid fiber with improved whiteness by applying an antioxidant before washing, heat stretching and heat setting And a method for producing the same.
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