High-permeability base fabric, artificial turf comprising same and preparation method

Abstract

A high-permeability base fabric and a high-permeability durable artificial turf including the same are disclosed. The high-permeability base fabric is formed by interweaving warp yarns and weft yarns. The warp yarns and/or the weft yarns contain yarns A, and the thickness of the yarns A is 0.08-0.5 mm, or include yarn B with thickness of 0.03-0.06 mm. The high-permeability base fabric is obtained by weaving in regular or irregular arrangement. The high-permeability base fabric applied to the artificial turf has excellent water permeability and can meet the use requirements. The artificial turf designed by the invention does not need to be punched by an electric iron, which can effectively prevent the growth of natural weeds, simultaneously avoid the problems of abrasion of a back glue layer and the like caused by leakage of quartz sand during paving, has a simple preparation method, can save labour and cost, and is beneficial to market popularization and industrial production.

1 . A high-permeability base fabric formed by interweaving warp yarns and weft yarns, the warp yarns and/or the weft yarns comprising yarns A, and a thickness of each yarn A ranges from 0.08 to 0.5 mm. 
     
     
         2 . The high-permeability base fabric according to  claim 1 , wherein each the warp and/or the weft yarn comprise yarn B, and the thickness of the yarn B ranges from 0.03 to 0.06 mm. 
     
     
         3 . The high-permeability base fabric according to  claim 2 , wherein the warp yarns are yarn B and the weft yarns are yarn A. 
     
     
         4 . The high-permeability base fabric according to  claim 2 , wherein the warp yarns are yarn B, the weft yarns are yarns A and B, and the weft yarns are woven in an alternating arrangement in a form of ABAB. 
     
     
         5 . The high-permeability base fabric according to  claim 2 , wherein the weft yarns are yarn B and the warp yarns are yarn A. 
     
     
         6 . The high-permeability base fabric according to  claim 2 , wherein the weft yarns are yarn B, the warp yarns are yarns A and B, and the warp yarns are woven in an alternating arrangement in the form of ABAB. 
     
     
         7 . The high-permeability base fabric of  claim 1 , wherein the warp and weft yarns are both yarn A. 
     
     
         8 . The high-permeability base fabric of  claim 1 , wherein each warp yarn has a width of 0.5-3 mm; the width of each weft yarn is 0.5-4 mm; a weaving density of the warp yarns is 400-2400 yarns/m; and the weaving density of the weft yarns is 300-2400 yarns/m. 
     
     
         9 . The high-permeability base fabric of  claim 1 , wherein the wrap and/or the weft yarns are one or more of black, green, white, blue, violet, orange, yellow and brown in colour. 
     
     
         10 . A method for preparing a high-permeability base fabric, comprising:
 (1) uniformly mixing one or more of polyethylene resin, polypropylene resin, polyamide resin and polyethylene glycol terephthalate resin with color master batches and a processing aid, extruding the mixture by a screw extruder, cutting and drawing the mixture into yarns with required wide thickness, shaping and rolling the yarns for subsequent use;   (2) placing the warp yarns and weft yarns on a knitting machine according to a pre-set knitting density and arrangement mode to obtain the high-permeability base fabric.   
     
     
         11 . A high-permeability durable artificial turf, comprising a base fabric, turf yarns and a back adhesive; wherein the base fabric comprises the high-permeability base fabric according to  claim 1 ; the turf yarns are tufted on the base fabric, and the back adhesive is coated on a back of the base fabric. 
     
     
         12 . The high-permeability and durable artificial turf as claimed in  claim 11 , wherein said base fabric is a layer of said high-permeability base fabric; or the base fabric is the combination of one layer of the high-permeability base fabric and one layer of the mesh fabric; or the base fabric is formed by combining the high-permeability base fabric and any non-woven fabric. 
     
     
         13 . The high-permeability and durable artificial turf as claimed in  claim 11 , wherein the back adhesive is composed of raw glue, filler and foaming agent; the raw glue is selected from one or more of styrene-butadiene glue, styrene-acrylic glue, ethylene-vinyl acetate glue, acrylic glue, epoxy glue and polyurethane glue; a mass ratio of the raw glue to the filler is 8:2-2:8; the foaming agent accounts for 0.3 to 0.7 percent of a total mass of the raw glue and the filler; and the density of the glue after foaming in the back gluing process is controlled to be 0.8-0.2 times of the density of the glue before foaming. 
     
     
         14 . A method of manufacturing the high-permeability and durable artificial turf according to  claim 13 , comprising:
 1. wire drawing: uniformly mixing polyethylene resin and/or polypropylene resin, color master batch and auxiliary agent to obtain a mixture, extruding and drawing the mixture by a single-screw extruder, and processing the mixture into artificial turf yarns;   2. tufting: tufting twisted artificial turf yarns on a base fabric by a tufting machine according to a specified row spacing and a specified needle pitch to form an artificial turf semi-finished product; and   3. gluing: coating the glue on the bottom and the back of the semi-finished artificial turf product, and curing in an oven to obtain the artificial turf.