DEGRADABLE SYNTHETIC FIBER COMPOSITION AND MANUFACTURING METHOD AND PRODUCT THEREOF
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United States of America Patent
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Mar 20, 2015
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Mar 13, 2015
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Abstract
The present invention relates to a degradable synthetic fiber composition, a manufacturing method thereof, and a degradable synthetic fiber product manufactured therefrom; wherein the degradable synthetic fiber composition comprises a polymer and two or more transition metal salts dispersed in the polymer; at least one of the two or more transition metal salts is a polyvalent metal salt. The present invention may degrade polymer such as polyester, polyamide, and polystyrene, two or more transition metal additives are selected to produce a synergistic effect, thereby directly improving the utilization of ultraviolet light and visible light; the present invention is the first application of oxidative-biodegradation to synthetic fiber, and can be commercially produced by existing equipment; the formulations and methods of the present invention particularly can be applied directly in weaving techniques such as nonwovens, to further reduce the environmental pollution caused by waste.
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