US Patent 11174346 Flame-retardant polyester fiber and its preparation method
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Patent abstract
A flame-retardant polyester fiber obtained by spinning flame-retardant polyester and irradiating with ultraviolet light and having a limiting oxygen index value of greater than 30. Flame retardant 2-carboxyethylphenylphosphinic acid to improve the flame retardant properties of polyester, the use of polyester containing unsaturated double bond in UV irradiation, the double bond opens to form a crosslinking point, the formation of a certain amount of the network structure improves the heat-resistant temperature of the poly-fiber and improves the anti-dripping performance of the polyester fiber.
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Patent Jurisdiction
Patent Number
111743460
Date of Patent
November 16, 2021
0Patent Application Number
157448730
Date Filed
October 25, 2016
0Official Website
Patent Primary Examiner
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Infobox
Is a
Patent Jurisdiction
Patent Number
111743460
Date of Patent
November 16, 2021
0Patent Application Number
157448730
Date Filed
October 25, 2016
0Official Website
Patent Primary Examiner
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US Patent 11174346 Flame-retardant polyester fiber and its preparation method
Infobox
Is a
Patent jurisdiction
Patent number
11174346
Date of patent
November 16, 2021
Patent application number
15744873
Date Filed
October 25, 2016
Patent primary examiner
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