Comfortable and warm ribbed velvet denim fabric and production method thereof

Abstract

Disclosed is a comfortable and warm ribbed velvet denim fabric, which belongs to the field of textiles, and includes two systems of warp yarns and two systems of weft yarns, where the warp yarns are divided into outside warps and inside warps, and the weft yarns are divided into outside wefts and inside wefts; the outside wefts and the inside wefts are interwoven with the inside warps in a manner of plain weave, the outside warps and the outside wefts are interwoven in a manner of twill weave, and the outside warps and the inside wefts are not interwoven; the inside wefts are thicker than the outside wefts; and the inside wefts are made of multifilaments, and a fleece layer is provided on the underside.

What is claimed is: 
     
         1 . A comfortable and warm ribbed velvet denim fabric, wherein the fabric comprises two systems of warp yarns and two systems of weft yarns, wherein the warp yarns are divided into outside warps ( 10 ) and inside warps ( 30 ), and the weft yarns are divided into outside wefts ( 20 ) and inside wefts ( 40 ); the outside wefts ( 20 ) and the inside wefts ( 40 ) are interwoven with the inside warps ( 30 ), the outside warps ( 10 ) and the outside wefts ( 20 ) are interwoven, and the outside warps ( 10 ) and the inside wefts ( 40 ) are not interwoven; the inside wefts ( 40 ) are thicker than the outside wefts ( 20 ). 
     
     
         2 . The comfortable and warm ribbed velvet denim fabric according to  claim 1 , wherein the inside wefts ( 40 ) are made of multifilaments, and the shrinkage rate of the outside wefts ( 20 ) is greater than that of the inside wefts ( 40 ). 
     
     
         3 . The comfortable and warm ribbed velvet denim fabric according to  claim 1 , the outside wefts ( 20 ) and the inside wefts ( 40 ) are interwoven with the inside warps ( 30 ) in a manner of plain weave, the outside warps ( 10 ) and the outside wefts ( 20 ) are interwoven in a manner of twill weave. 
     
     
         4 . The comfortable and warm ribbed velvet denim fabric according to  claim 1 , wherein the count of the insider warps ( 30 ) is three to eight times the count of the outside warps ( 10 ). 
     
     
         5 . The comfortable and warm ribbed velvet denim fabric according to  claim 4 , wherein the count of the outside warps ( 10 ) is 8-32 S. 
     
     
         6 . The comfortable and warm ribbed velvet denim fabric according to  claim 1 , wherein the F number of the inside wefts ( 40 ) is 114-900 F. 
     
     
         7 . The comfortable and warm ribbed velvet denim fabric according to  claim 6 , wherein the denier count of filaments in the inside wefts ( 40 ) is 80-500 D. 
     
     
         8 . The comfortable and warm ribbed velvet denim fabric according to  claim 7 , wherein the count of the outside wefts ( 20 ) is 21-60 S. 
     
     
         9 . The comfortable and warm ribbed velvet denim fabric according to  claim 1 , wherein the same inside warp ( 30 ) has the same weave point type with each of the outside wefts ( 20 ), and the same inside warp ( 30 ) has the same weave point type with each of the inside wefts ( 40 ); and on the same inside warp ( 30 ), the type of weave points formed by the outside wefts ( 20 ) is always opposite to the type of weave points formed by the inside wefts ( 40 ). 
     
     
         10 . A production method of a comfortable and warm ribbed velvet denim fabric, comprising the steps of weaving and finishing, wherein in the step of weaving, two systems of warp yarns and two systems of weft yarns are employed, the warp yarns are divided into outside warps ( 10 ) and inside warps ( 30 ), and the weft yarns are divided into outside wefts ( 20 ) and inside wefts ( 40 ); the outside wefts ( 20 ) and the inside wefts ( 40 ) are interwoven with the inside warps ( 30 ) in a manner of plain weave, the outside warps ( 10 ) and the outside wefts ( 20 ) are interwoven in a manner of twill weave, and the outside warps ( 10 ) and the inside wefts ( 40 ) are not interwoven;
 the inside wefts ( 40 ) are thicker than the outside wefts ( 20 ); the inside wefts ( 40 ) are made of multifilaments, and the shrinkage rate of the outside wefts ( 20 ) is greater than that of the inside wefts ( 40 ); and the outside wefts ( 20 ) are made of polyester and polyamide composite yarns; and   the finishing in turn comprises a singeing process, an alkali treatment process, a drying process, a pre-shrinking process, and a fleecing process.   
     
     
         11 . The production method of a comfortable and warm ribbed velvet denim fabric according to  claim 10 , wherein a loose washing process is also carried out between the alkali treatment process and the drying process, with the treatment temperature of 40-50° C. and the treatment time of 20-30 min; and
 a fabric setting process is also carried out between the drying process and the pre-shrinking process, with the fabric setting temperature of 150-170° C. and the loom speed of 20-40 m/min. 
 
     
     
         12 . The production method of a comfortable and warm ribbed velvet denim fabric according to  claim 10 , wherein in the singeing process, the treatment temperature is 250-350° C., the loom speed is 75-85 m/min, and only the right side is singed.