POLYAMIDE 5X INDUSTRIAL YARN, PREPARATION METHOD THEREFOR AND USE THEREOF

WIPO Patent Application WO/2021/088250

A1

Disclosed in the present invention is a polyamide 5X industrial yarn. The described polyamide 5X industrial yarn has a heat-resistant breaking strength retention rate of ≥ 90% after being treated at 180°C for 4 h; the heat-resistant breaking strength retention rate is ≥ 90% after being treated at 230°C for 30 min; and a dry heat shrinkage rate is ≤ 8.0%. The described polyamide 5X industrial yarn is widely used in the fields of sewing threads, tire cords, air bag yarns, release cloth, krama, canvas, safety belts, ropes, fishing nets, industrial filter cloth, conveyor belts, parachutes, tents, bags and suitcases.

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SUN CHAOXU (CN)
CHEN WANZHONG (CN)
CHEN SHUYUAN (CN)
SHANG ZHIGUO (CN)
LIU XIUCAI (CN)

PCT/CN2020/072240

May 14, 2021

January 15, 2020

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CATHAY BIOTECH INC (CN)
CIBT AMERICA INC (US)

D01F6/60; D01F1/10

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CN108503826A	2018-09-07
CN108503824A	2018-09-07

NTD UNIVATION INTELLECTUAL PROPERTY AGENCY LTD (CN)

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