Commingled yarns, weave fabric, knitted fabrics, composite materials, and processes for preparing the composite materials

Abstract

Provided is commingled yarn excellent in strength. The commingled yarn comprises a continuous thermoplastic resin fiber and a continuous reinforcing fiber as fiber components, which has twist.

1 . A commingled yarn comprising a continuous thermoplastic resin fiber and a continuous reinforcing fiber as fiber components, which has twist. 
     
     
         2 . The commingled yarn according to  claim 1 , wherein the continuous thermoplastic resin fiber is a polyamide resin fiber. 
     
     
         3 . The commingled yarn according to  claim 1 , wherein the continuous thermoplastic resin fiber comprises at least one kind selected from polyamide 6, polyamide 66 and a xylylenediamine-based polyamide. 
     
     
         4 . The commingled yarn according to  claim 1 , wherein the continuous reinforcing fiber is a carbon fiber and/or a glass fiber. 
     
     
         5 . (canceled) 
     
     
         6 . (canceled) 
     
     
         7 . (canceled) 
     
     
         8 . (canceled) 
     
     
         9 . (canceled) 
     
     
         10 . The commingled yarn according to  claim 2 , wherein the continuous thermoplastic resin fiber comprises at least one kind selected from polyamide 6, polyamide 66 and a xylylenediamine-based polyamide. 
     
     
         11 . The commingled yarn according to  claim 2 , wherein the continuous reinforcing fiber is a carbon fiber and/or a glass fiber. 
     
     
         12 . The commingled yarn according to  claim 3 , wherein the continuous reinforcing fiber is a carbon fiber and/or a glass fiber. 
     
     
         13 . A weave fabric using a commingled yarn according to  claim 1 . 
     
     
         14 . A weave fabric using a commingled yarn according to  claim 2 . 
     
     
         15 . A weave fabric using a commingled yarn according to  claim 3 . 
     
     
         16 . A knitted fabric using a commingled yarn according to  claim 1 . 
     
     
         17 . A knitted fabric using a commingled yarn according to  claim 2 . 
     
     
         18 . A knitted fabric using a commingled yarn according to  claim 3 . 
     
     
         19 . A composite material obtainable by thermally processing a commingled yarn according to  claim 1 . 
     
     
         20 . A composite material obtainable by thermally processing a commingled yarn according to  claim 2 . 
     
     
         21 . A composite material obtainable by thermally processing a commingled yarn according to  claim 3 . 
     
     
         22 . A composite material obtainable by thermally processing a weave fabric according to  claim 13 . 
     
     
         23 . A composite material obtainable by thermally processing a knitted fabric according to  claim 16 . 
     
     
         24 . A process for preparing a composite material, comprising preparing a commingled yarn comprising a continuous thermoplastic resin fiber and a continuous reinforcing fiber as fiber components, twisting the commingled yarn, and thermally processing the twisted commingled yarn. 
     
     
         25 . The process according to  claim 24 , further comprising weaving or knitting the twisted commingled yarn before the commingled yarn is thermally processed.