US2023115178A1PendingUtilityA1

High-strength polyamide 610 multifilament

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Assignee: TORAY INDUSTRIESPriority: Mar 25, 2020Filed: Mar 10, 2021Published: Apr 13, 2023
Est. expiryMar 25, 2040(~13.7 yrs left)· nominal 20-yr term from priority
Inventors:Takashi UrumaHisao ShigenoKazushi Minai
A63B 51/02D01F 6/60D01D 5/16D01D 5/092D01D 5/096D02G 3/02D01F 6/80D10B 2401/20D07B 1/02D10B 2401/02D10B 2401/063D10B 2331/02D10B 2507/02A63B 2209/023D07B 2205/2046D01D 10/02D07B 1/025D10B 2507/00D01D 5/08D02G 3/444D02G 3/447
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Claims

Abstract

A high-strength polyamide 610 multifilament has a sulfuric acid relative viscosity of 3.0 to 3.7 and a drying strength of more than 9.2 cN/dtex and within 11.0 cN/dtex, having a total fineness of 100 to 2,500 dtex and a single fiber fineness of 1.5 to 40 detex and a birefringence Δn of 50.0 x 10 -3 or more.

Claims

exact text as granted — not AI-modified
1 - 9 . (canceled) 
     
     
         10 . A high-strength polyamide 610 multifilament having a sulfuric acid relative viscosity of 3.0 to 3.7 and a dry strength of more than 9.2 cN/dtex and 11.0 cN/dtex or less. 
     
     
         11 . The high-strength polyamide 610 multifilament according to  claim 10 , having a total fineness of 100 to 2,500 dtex and a single fiber fineness of 1.5 to 40 dtex. 
     
     
         12 . The high-strength polyamide 610 multifilament according to  claim 10 , having a birefringence Δn of 50.0 x 10 -3  or more. 
     
     
         13 . The high-strength polyamide 610 multifilament according to  claim 10 , having a sulfuric acid relative viscosity of 3.0 to 3.3 and a dry strength of more than 9.2 cN/dtex and 11.0 cN/dtex or less. 
     
     
         14 . The high-strength polyamide 610 multifilament according to  claim 10 , having change rates of strength, elongation, and intermediate elongation in a wet state of all 10% or less. 
     
     
         15 . A rope comprising the high-strength polyamide 610 multifilament according to  claim 10 . 
     
     
         16 . A racket string comprising the high-strength polyamide 610 multifilament according to  claim 10 . 
     
     
         17 . A textile for a bag fabric, comprising the high-strength polyamide 610 multifilament according to  claim 10 . 
     
     
         18 . A fishing net comprising the high-strength polyamide 610 multifilament according to  claim 10 .

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