CN218951692U - Artificial lawn - Google Patents

Abstract

The utility model discloses an artificial lawn, and belongs to the technical field of artificial lawns. The artificial turf includes: the grass yarn tufting machine comprises a base cloth layer, a grass yarn layer tufted on the base cloth layer and a back adhesive layer which is glued on the bottom of the base cloth layer; the grass yarn layer consists of a skin-friendly layer, a damping layer and a damping layer; the skin-friendly layer consists of a plurality of straight filaments and is used for reducing the burn resistance in the movement process and reducing the surface temperature of the lawn; the damping layer consists of a plurality of curved wires and is used for damping and shock absorption in the movement process; the damping layer is composed of a plurality of spring wires, has a spring structure, is used for solving the problem of skid resistance and rotation resistance in the movement process, and is combined by three layers, so that the lodging and the inversion of the lawn are greatly reduced, the ball sliding performance is met, and the artificial lawn is suitable for training and movement.

Description

Artificial lawn

Technical Field

The utility model relates to the technical field of artificial lawns, in particular to an artificial lawn.

Background

The natural lawn field is the first choice field for large-scale competition and sports, but due to the high maintenance cost, the natural lawn field cannot be used in winter in the north, and the like, and cannot meet the increasing sports demands, and the artificial lawn is rapidly developed.

The grass filaments in conventional artificial lawns consist of a double layer structure of curved filaments and straight filaments, for example: the patent with the publication number of CN207376400U and the name of a filling-free artificial football lawn discloses a double-layer structure comprising a base layer, a plurality of clusters of straight silk grass fibers and a plurality of clusters of curved silk grass fibers, wherein only the curved silk grass fibers and the straight silk grass fibers have the function of supporting and protecting the straight silk grass fibers, so that the straight silk grass fibers can be quickly reset after being stepped on for many times, but the problems of insufficient sliding resistance, insufficient rotation resistance and unsatisfactory skin friendliness exist.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides an artificial lawn. The technical scheme is as follows:

in one aspect, there is provided an artificial lawn, the artificial lawn comprising: the grass yarn tufting machine comprises a base cloth layer, a grass yarn layer tufted on the base cloth layer and a back adhesive layer which is glued on the bottom of the base cloth layer;

the grass yarn layer consists of a skin-friendly layer, a damping layer and a damping layer;

the skin-friendly layer consists of a plurality of straight filaments and is used for reducing the burn resistance in the movement process and reducing the surface temperature of the lawn;

the damping layer consists of a plurality of curved wires and is used for damping and shock absorption in the movement process;

the damping layer is composed of a plurality of spring wires and is provided with a spring structure and is used for solving the anti-skid performance and rotation resistance in the movement process.

Further, the straight wire is at least one of S-shaped, wavy, C-shaped, diamond-shaped and olive-shaped, the curved wire is at least one of flat wire, olive-shaped and diamond-shaped, and the spring wire is at least one of C-shaped, S-shaped, wavy and diamond-shaped.

Further, during tufting, any two kinds of the straight filaments, the curved filaments and the spring filaments are stranded, double-sided yarn feeding is used, or three kinds of the grass filaments are stranded, single-sided yarn feeding is carried out, or two kinds of the grass filaments are stranded and the other grass filaments are tufted in an interlaced mode;

further, the tufting line spacing is 1/16-10/16 inch, and the needle count is 100 needles/meter-400 needles/meter.

Further, the number of the curved wires, the straight wires and the spring wires in each cluster of grass wires is 2-12;

further, the spring wire in each cluster of grass wires comprises a left-handed structure and a right-handed structure.

Further, the dtex of the spring wire and the straight wire is less than the dtex of the curved wire, and the dtex of the straight wire is less than or equal to the dtex of the spring wire;

further, the color of the spring wire and the color of the straight wire are lighter than the color of the curved wire, and the color of the straight wire is lighter than or equal to the color of the spring wire.

Further, the back adhesive layer is selected from one of a styrene-butadiene adhesive layer, a styrene-acrylic adhesive layer, a polyurethane adhesive layer and an SPU adhesive layer.

In another aspect, a method of making an artificial lawn is provided, the method comprising:

s1: mixing the raw materials of the curved silk, extruding, drafting, puffing (or braiding), and performing heat setting to obtain Qu Si;

mixing spring wire raw materials, extruding, drafting, twisting (or braiding), and performing heat setting to obtain spring wires;

mixing the raw materials of the straight filaments, extruding, drafting and heat setting to obtain the straight filaments;

s2: tufting the curved wires, the spring wires and the straight wires onto a base cloth layer to form a skin-friendly layer, a shock absorption layer and a damping layer;

s3: and carrying out back glue on the bottom of the base fabric layer to obtain the artificial lawn.

Further, the curved silk raw material comprises: 85-98 parts of polypropylene resin, 1-5 parts of color master batch, 0.1-5 parts of processing aid and 0.3-5 parts of anti-aging aid,

the spring wire raw materials comprise: 80-90 parts of polyethylene resin, 1-10 parts of color master batch, 0.5-5 parts of processing aid and 0.5-5 parts of anti-aging aid;

the straight filament raw materials comprise: 60-90 parts of polyethylene resin, 5-20 parts of metallocene polyethylene, 1-10 parts of color master batch, 0.5-5 parts of processing aid, 0.5-5 parts of anti-aging aid, 0.1-1 part of hydrophilic aid and 1-5 parts of cooling master batch;

the processing aid is at least one selected from fluorine aid, silicone aid, oleamide, erucamide and antistatic aid, the anti-aging aid is composed of an antioxidant, an ultraviolet absorber and hindered amine, the metallocene polyethylene is at least one selected from metallocene polyethylene with a melt index of 0.2g/10min, 0.5g/10min, 1g/10min and 2g/10min, the hydrophilic aid is at least one selected from anionic surfactant, nonionic surfactant, cationic surfactant and amphoteric surfactant, and the cooling master batch is at least one selected from nanometer titanium dioxide, nanometer zinc oxide and nanometer ceramic powder with light reflection characteristics.

Further, the curved silk raw material comprises: 75-85 parts of polypropylene resin, 1-5 parts of color master batch, 5-15 parts of first modified resin, 1-5 parts of compatilizer, 0.1-5 parts of processing aid and 0.3-5 parts of anti-aging aid,

the spring wire raw materials comprise: 70-85 parts of polyethylene resin, 5-10 parts of second modified resin, 1-10 parts of color master batch, 0.5-5 parts of processing aid and 0.5-5 parts of anti-aging aid;

the straight filament raw materials comprise: 60-90 parts of polyethylene resin, 5-20 parts of POE, 1-10 parts of color master batch, 0.5-5 parts of processing aid, 0.5-5 parts of anti-aging aid, 0.1-0.5 part of cooling master batch and 0.1-1 part of hydrophilic aid;

the first modified resin is selected from at least one of PET, PBT and nylon, the second modified resin is selected from at least one of thermoplastic elastomer SEBS, polyethylene elastomer POE and metallocene polyethylene, the compatilizer is selected from at least one of maleic anhydride grafted polymer, epoxy grafted polymer, block copolymer and random copolymer, the processing aid is selected from at least one of fluorine aid, silicone aid, oleamide, erucamide and antistatic aid, the anti-aging aid is composed of antioxidant, ultraviolet absorbent and hindered amine, the POE is selected from at least one of melt index of 0.5g/10min, 1g/10min, 5g/10min and 7.5g/10min POE, the hydrophilic aid is selected from at least one of anionic surfactant, nonionic surfactant, cationic surfactant and amphoteric surfactant, and the cooling master batch is selected from at least one of titanium dioxide, nano zinc oxide and nano ceramic powder with reflective property.

Further, the curved silk raw material comprises: 75-90 parts of polypropylene resin, 1-10 parts of high-resilience modified material, 1-5 parts of compatilizer, 1-5 parts of color master batch, 0.1-5 parts of processing aid and 0.3-5 parts of anti-aging aid;

the spring wire raw materials comprise: 80-98 parts of polyethylene resin, 1-10 parts of color master batch, 0.5-5 parts of processing aid and 0.5-5 parts of anti-aging aid;

the straight filament raw materials comprise: 60-90 parts of polyethylene resin, 5-20 parts of modified material, 1-10 parts of color master batch, 0.5-5 parts of processing aid, 0.5-5 parts of anti-aging aid, 0.1-1 part of hydrophilic aid and 1-5 parts of cooling master batch;

the compatilizer is at least one of maleic anhydride grafted polymer, epoxy grafted polymer, block copolymer and random copolymer, the processing aid is at least one of fluorine aid, silicone aid, oleamide, erucamide and antistatic aid, the high-resilience modified material is at least one of PET, PBT and nylon, the anti-aging aid consists of an antioxidant, an ultraviolet absorber and hindered amine, the modified material is at least one of metallocene polyethylene, POE and SEBS, the hydrophilic aid is at least one of anionic surfactant, nonionic surfactant, cationic surfactant and amphoteric surfactant, and the cooling masterbatch is at least one of nano titanium dioxide, nano zinc oxide and nano ceramic powder with reflective property.

Further, in the step S1, the extrusion temperature is 180-260 ℃, the drafting temperature is 60-90 ℃, the puffing temperature is 100-250 ℃, the puffing pressure is 0.4-0.8MPa, and the heat setting temperature is 100-180 ℃;

in the step S2, the extrusion temperature is 180-260 ℃, the drafting temperature is 60-90 ℃, the twisting is divided into S twisting and Z twisting, the S twisting is right-handed, the Z twisting is left-handed, the twisting degree is 10-70 twisting, the heat setting temperature is 100-180 ℃,

in the step S3, the extrusion temperature is 180-260 ℃, the drafting temperature is 60-90 ℃, and the heat setting temperature is 90-180 ℃;

in the S4, the tufting includes: tufting on a tufting machine of 1/16 inch-10/16 inch with a needle count of 100-400 needles/m at a grass height of 15-60mm, tufting on a backing layer;

in the step S5, the backing cloth layer is subjected to back sizing through any one of styrene-butadiene rubber, styrene-acrylic rubber, polyurethane rubber and SPU rubber, the temperature of a back sizing drying channel is 100-150 ℃, the temperature of a lower drying channel is 40-70 ℃, the glue-passing humidity is less than 10%, the extraction force is more than 45N/cluster, and the artificial turf is obtained by winding.

The technical scheme provided by the embodiment of the utility model has the beneficial effects that: the artificial turf of the utility model comprises: the grass yarn layer is composed of a skin-friendly layer, a shock-absorbing layer and a damping layer, the skin-friendly layer is smooth and soft in surface, good in cooling function and used for reducing burn resistance in the movement process and reducing the surface temperature of a lawn, the shock-absorbing layer is good in rebound resilience, shock absorption and shock absorption in the movement process ensure the safety performance of movement, meanwhile, the vertical rebound performance of a ball is met, the damping layer is of a spring structure, excellent rebound resilience and anti-slip performance are achieved, the anti-slip performance and rotation resistance in the movement process are solved, three layers are combined, the lodging and the lodging performances of the lawn are greatly reduced, the sliding performance of the ball is met, and the artificial lawn is suitable for training and movement.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an artificial turf according to the present utility model;

reference numerals: 1-a base fabric layer; 2-a back adhesive layer; 3-straight wires; 4-Qu Si; 5-spring wire.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the embodiments of the present utility model will be described in further detail with reference to the accompanying drawings.

Example 1

Referring to fig. 1, an artificial lawn, a base fabric layer 1, a grass yarn layer tufted on the base fabric layer 1 and a back adhesive layer 2 coated on the bottom of the base fabric layer 1, wherein the back adhesive layer 2 can be styrene-butadiene rubber, styrene-acrylic rubber, polyurethane rubber and SPU back adhesive, and also can be recycled hot melt adhesive, and the grass yarn layer consists of a skin-friendly layer, a shock absorption layer and a damping layer; the skin-friendly layer consists of a plurality of straight filaments 3, and the surface of the grass filaments is smooth and soft, has a good cooling function, and is used for reducing the burn resistance in the movement process and reducing the surface temperature of the lawn; the damping layer consists of a plurality of curved wires 4, has good rebound resilience, is used for damping and shock absorption in the movement process, ensures the safety performance of movement, and simultaneously meets the vertical rebound performance of the ball; the damping layer comprises a plurality of spring wires 5, has a spring structure, has excellent rebound resilience and anti-slip performance, is used for solving the anti-slip performance and the rotation resistance of the movement process, and combines three layers, so that the lodging and the lodging of the lawn are greatly reduced, the ball sliding performance is met, and the artificial lawn is suitable for training.

The shock-absorbing layer is composed of a plurality of curved wires 4 with high dtex and high rebound resilience, and the shape of the shock-absorbing layer can be at least one of flat wires, olive shapes and diamond shapes, and the dtex is as follows: 3000-20000D; the damping layer comprises the grass silk of well low dtex that has spring structure, divide into left-hand structure and right-hand structure, generally match and use, when guaranteeing that the sportsman changes the direction of motion, have suitable rotation resistance, prevent the slip in the high-speed motion and the foot phenomenon of spraining take place, dtex: 3000-10000D, wherein the shape can be at least one of C shape, S shape, wave shape and diamond shape; the skin-friendly layer consists of a plurality of straight filaments 3 with smooth and soft surfaces, good burn resistance, strong hydrophilicity and cooling function, and the decitex is as follows: 3000-10000D, and the shape can be at least one of S shape, wave shape, C shape, diamond shape and olive shape.

In the aspect of specific manufacturing, the bent wire 4 dtex of the damping layer is the largest, the spring wire 5 of the damping layer and the straight wire 3 dtex of the skin-friendly layer are relatively reduced, and the spring wire 5 of the damping layer and the straight wire 3 of the skin-friendly layer can have the same dtex, so that the effects of heavy weight and light weight are formed integrally; in terms of color, the curved wires 4 of the damping layer are the darkest, such as dark green, dark green and the like, the straight wires of the skin-friendly layer 3 are the lightest, the spring wires 5 of the damping layer 2 are arranged between the two, or the two colors are consistent, such as light green, fruit green, olive green and the like, and in a whole, the lower part is dark and light, and the sense of thickness is realized; in the aspect of tufting, any two grass yarns of the straight yarns 3, the curved yarns 4 and the spring yarns 5 are twisted, double-sided yarn feeding is used, or three grass yarns are twisted, single-sided yarn feeding is carried out, or two grass yarns are twisted and the other grass yarns are tufted in an interlaced mode, or three grass yarns are tufted in an interlaced mode, the tufting line spacing is 1/16-10/16 inch, the needle count is 100 needles/meter-400 needles/meter, the number of the curved yarns is 2-12 when the curved yarns 4 are arranged in each group of grass yarns, the number of the straight yarns 3 is 2-12 when the straight yarns 3 are arranged, and the number of the spring yarns 5 is 2-12 when the spring yarns 5 are arranged; when the spring wires 5 are arranged in each cluster of grass wires, the spring wires 5 comprise a left-handed structure and a right-handed structure, and the number of the left-handed structure and the number of the right-handed structure can be the same.

Example two

The manufacturing method of the artificial lawn specifically comprises the following steps:

step (101): mixing 85 parts of polypropylene resin, 1 part of color master batch, 0.1 part of fluorine auxiliary agent and 1 part of anti-aging auxiliary agent uniformly, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then drafting, wherein the drafting temperature is 60 ℃, then puffing, wherein the puffing temperature is 100 ℃, and the puffing pressure is as follows: and (3) carrying out heat setting at 100 ℃ after 0.4MPa, and finally rolling to obtain the curved wire 4 of the high-dtex, high-curvature and high-resilience shock absorption layer, wherein the anti-aging auxiliary agent comprises an antioxidant, an ultraviolet absorber and hindered amine according to the following formula 1:0.5:1 proportion; the antioxidant may be antioxidant 1010, the ultraviolet absorber may be UV326, and the hindered amine may be hindered amine 770.

Step (102): uniformly mixing 80 parts of polyethylene resin, 1 part of color master batch, 0.5 part of silicone auxiliary agent and 1.5 parts of anti-aging auxiliary agent, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then, hot drawing, the drawing temperature is 60 ℃, then, twisting, S twisting and Z twisting are performed, S twisting is right-handed, Z twisting is left-handed, the twist is 10, the greater the twist is, the stronger the spring structure is, then, heat setting is performed, the heat setting temperature is 100 ℃, and unwinding and winding are performed to obtain spring wires 5; wherein the anti-aging auxiliary agent comprises an antioxidant, an ultraviolet absorber and hindered amine according to the following weight ratio of 1:0.5:1 proportion; the antioxidant may be antioxidant 1010, the ultraviolet absorber may be UV326, and the hindered amine may be hindered amine 770.

Step (103): uniformly mixing 60 parts of polyethylene resin, 5 parts of metallocene polyethylene with the melt index of 0.2g/10min, 1 part of color master batch, 0.5 part of oleamide, 2.5 parts of anti-aging auxiliary agent, 0.1 part of anionic surfactant and 1 part of nano titanium dioxide collector, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then carrying out hot drawing, the drawing temperature is 80 ℃, then carrying out heat setting, and wrapping yarn winding to obtain straight filaments 3; wherein the anti-aging auxiliary agent comprises an antioxidant, an ultraviolet absorber and hindered amine according to the following weight ratio of 1:0.5:1 proportion; the antioxidant may be antioxidant 1010, the ultraviolet absorber may be UV326, and the hindered amine may be hindered amine 770.

Step (104): tufting the curved wires 4, the spring wires 5 and the straight wires 3 on a tufting machine with 1/16 inch according to the grass height of 15-60mm and the needle count of 200 needles/m on a base cloth layer to form a skin-friendly layer, a damping layer and a damping layer, wherein the damping layer is dark green, and the skin-friendly layer and the damping layer are dark green.

Step (105): and carrying out back glue on the base cloth layer through styrene-butadiene rubber, wherein the temperature of a back glue drying channel is 100 ℃, the temperature of a lower drying channel is 40 ℃, the glue-passing humidity is 9%, and the extraction force is 46N/cluster, and rolling to obtain the artificial lawn.

Example III

The manufacturing method of the artificial lawn specifically comprises the following steps:

step (201): uniformly mixing 90 parts of polypropylene resin, 3 parts of color master batch, 3 parts of erucamide and 3 parts of anti-aging auxiliary agent, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then drafting, the drafting temperature is 70 ℃, then puffing (or braiding) the mixture, the puffing temperature is 180 ℃, the puffing pressure is 0.6MPa, then heat setting the mixture, the heat setting temperature is 140 ℃, and finally rolling the mixture to obtain the curved wire 4 of the shock absorption layer with high dtex, high curvature and high rebound resilience; wherein the anti-aging auxiliary agent comprises an antioxidant, an ultraviolet absorber and hindered amine according to the following weight ratio of 1:0.5:1 proportion; the antioxidant may be antioxidant 1076, the ultraviolet absorber may be UV327, and the hindered amine may be hindered amine 944.

Step (202): uniformly mixing 85 parts of polyethylene resin, 5 parts of color master batch, 3 parts of antistatic auxiliary agent and 3 parts of anti-aging auxiliary agent, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then carrying out hot drawing, the drawing temperature is 80 ℃, then twisting (or braiding) after that, twisting is divided into S twist and Z twist, wherein the S twist is in a right-handed direction, the Z twist is in a left-handed direction, the twist is 40 twist, then carrying out heat setting, and the heat setting temperature is 150 ℃, and unwinding and winding to obtain a spring wire 5; wherein the anti-aging auxiliary agent comprises an antioxidant, an ultraviolet absorber and hindered amine according to the following weight ratio of 1:0.5:1 proportion; the antioxidant may be antioxidant 1076, the ultraviolet absorber may be UV327, and the hindered amine may be hindered amine 944.

Step (203): uniformly mixing 75 parts of polyethylene resin, 10 parts of metallocene polyethylene with a melt index of 1g/10min, 5 parts of color master batch, 3 parts of silicone auxiliary agent, 3 parts of anti-aging auxiliary agent, 0.5 part of nonionic surfactant and 3 parts of nano zinc oxide, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then carrying out hot drawing, the drawing temperature is 70 ℃, then carrying out heat setting, the heat setting temperature is 150 ℃, and wrapping yarn winding to obtain straight yarn 3; wherein the anti-aging auxiliary agent comprises an antioxidant, an ultraviolet absorber and hindered amine according to the following weight ratio of 1:0.5:1 proportion; the antioxidant may be antioxidant 1076, the ultraviolet absorber may be UV327, and the hindered amine may be hindered amine 944.

Step (204): tufting the curved wires 4, the spring wires 5 and the straight wires 3 on a 6/16 inch tufting machine according to grass height of 15-60mm and needle count of 220 needles/m on a base cloth layer to form a skin-friendly layer, a damping layer and a damping layer, wherein the damping layer is dark green, and the skin-friendly layer and the damping layer are dark green.

Step (205): and carrying out back gluing on the base cloth layer through styrene-acrylic glue, wherein the temperature of a back gluing drying channel is 130 ℃, the temperature of a lower drying channel is 50 ℃, the glue-passing humidity is 8%, and the extraction force is 50N/cluster, and rolling to obtain the artificial lawn.

Example IV

The manufacturing method of the artificial lawn specifically comprises the following steps:

step (301): and (3) uniformly mixing 98 parts of polypropylene resin, 5 parts of color master batch, 5 parts of silicone auxiliary agent and 5 parts of anti-aging auxiliary agent, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then drafting, the drafting temperature is 90 ℃, then puffing, the puffing temperature is 250 ℃, the puffing pressure is 0.8MPa, the heat setting temperature is 180 ℃, and finally winding to obtain the curved wire 4 of the shock absorption layer with high dtex, high curvature and high rebound resilience.

Step (302): uniformly mixing 90 parts of polyethylene resin, 10 parts of color master batch, 5 parts of erucamide and 5 parts of anti-aging auxiliary agent, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then carrying out hot drawing, the drawing temperature is 90 ℃, then twisting, twisting into S twist and Z twist, wherein the S twist is in a right-handed direction, the Z twist is in a left-handed direction, the twist is 70 twists, then carrying out heat setting, and the heat setting temperature is 180 ℃, and unwinding and winding to obtain the spring wire 5.

Step (303): uniformly mixing 90 parts of polyethylene resin, 20 parts of metallocene polyethylene with the melt index of 2g/10min, 10 parts of color master batch, 5 parts of silicone auxiliary agent, 5 parts of anti-aging auxiliary agent, 1 part of cationic surfactant and 5 parts of nano ceramic powder, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then carrying out hot drawing, the drawing temperature is 90 ℃, then carrying out heat setting, the heat setting temperature is 180 ℃, and wrapping yarn rolling to obtain straight yarn 3.

Step (304): tufting the curved wires 4, the spring wires 5 and the straight wires 3 on a tufting machine with 10/16 inch according to the grass height of 15-60mm and the needle count of 400 needles/m on a base cloth layer to form a skin-friendly layer, a damping layer and a damping layer, wherein the damping layer is dark green, and the skin-friendly layer and the damping layer are olive green.

Step (305): and carrying out back adhesive on the base cloth layer through polyurethane adhesive, wherein the temperature of an adhesive back drying channel is 150 ℃, the temperature of a lower drying channel is 70 ℃, the pulling force is 60N/cluster, and rolling to obtain the artificial lawn.

Example five

The manufacturing method of the artificial lawn specifically comprises the following steps:

step (401): uniformly mixing 75 parts of polypropylene resin, 1 part of color master batch, 5 parts of PET, 1 part of maleic anhydride graft polymer, 0.1 part of fluorine auxiliary agent and 1 part of anti-aging auxiliary agent, adding into a screw extruder for extrusion, stretching at 180-260 ℃, wherein the stretching temperature is 60 ℃, puffing again, the puffing temperature is 100 ℃, the puffing pressure is 0.4MPa, the heat setting temperature is 100 ℃, and finally winding to obtain the curved wire 4 of the high-dtex, high-curvature and high-resilience shock absorption layer. The compatibilizer increases the compatibility of the modified material and the polypropylene resin.

Step (402): mixing 75 parts of polyethylene resin, 5 parts of thermoplastic elastomer SEBS, 1 part of color master batch, 0.5 part of silicone auxiliary agent and 1 part of anti-aging auxiliary agent uniformly, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then carrying out hot drawing, the drawing temperature is 60 ℃, then twisting, twisting into S twist and Z twist, wherein the S twist is right-handed, the Z twist is left-handed, the twist is 10, and then carrying out heat setting, wherein the heat setting temperature is 100 ℃, and unwinding and winding to obtain the spring wire 5. The modified resin further improves the durable anti-slip performance of the grass yarns of the damping layer.

Step (403): 60 parts of polyethylene resin, 5 parts of POE with the melt index of 0.5g/10min, 1 part of color master batch, 0.5 part of oleamide, 1 part of anti-aging auxiliary agent, 0.1 part of amphoteric surfactant and 0.1 part of nano titanium dioxide collecting agent are uniformly mixed, then the mixture is added into a screw extruder for extrusion, the extrusion temperature is 180-260 ℃, then the mixture is subjected to hot drawing, the drawing temperature is 60 ℃, then the mixture is subjected to heat setting, the heat setting temperature is 90 ℃, and the coated yarn is wound to obtain the straight yarn 3.

Step (404): tufting the curved wires 4, the spring wires 5 and the straight wires 3 on a tufting machine with 1/16 inch according to the grass height of 15-60mm and the needle count of 100 needles/m on a base cloth layer to form a skin-friendly layer, a damping layer and a damping layer, wherein the damping layer is dark green, and the skin-friendly layer and the damping layer are olive green.

Step (405): and carrying out back glue on the base cloth layer through styrene-butadiene rubber, wherein the temperature of a back glue drying channel is 100 ℃, the temperature of a lower drying channel is 40 ℃, the glue-passing humidity is 9%, and the extraction force is 46N/cluster, and rolling to obtain the artificial lawn.

Example six

The manufacturing method of the artificial lawn specifically comprises the following steps:

step (501): uniformly mixing 80 parts of polypropylene resin, 3 parts of color master batch, 10 parts of PBT, 3 parts of epoxy graft polymer, 2 parts of silicone auxiliary agent and 3 parts of anti-aging auxiliary agent, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then drafting, the drafting temperature is 70 ℃, then puffing, the puffing temperature is 180 ℃, the puffing pressure is 0.6MPa, the heat setting temperature is 140 ℃, and finally rolling to obtain the curved wire 4 of the shock absorption layer with high dtex, high curvature and high rebound resilience.

Step (502): uniformly mixing 80 parts of polyethylene resin, 8 parts of polyethylene elastomer POE, 5 parts of color master batch, 3 parts of oleamide and 3 parts of anti-aging auxiliary agent, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then carrying out hot drawing, the drawing temperature is 80 ℃, then twisting, twisting into S twist and Z twist, wherein the S twist is right-handed, the Z twist is left-handed, the twist is 40, and then carrying out heat setting, wherein the heat setting temperature is 150 ℃, and unwinding and winding to obtain the spring wire 5.

Step (503): uniformly mixing 70 parts of polyethylene resin, 10 parts of POE with a melt index of 1g/10min, 5 parts of color master batch, 3 parts of erucamide, 3 parts of anti-aging auxiliary agent, 0.3 part of cationic surfactant and 0.6 part of nano titanium dioxide, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then carrying out hot drawing, the drawing temperature is 70 ℃, then carrying out heat setting, the heat setting temperature is 150 ℃, and wrapping yarn winding to obtain straight yarn 3.

Step (504): tufting the curved wires 4, the spring wires 5 and the straight wires 3 on a 6/16 inch tufting machine according to the grass height of 15-60mm and the needle count of 200 needles/m on a base cloth layer to form a skin-friendly layer, a damping layer and a damping layer, wherein the damping layer is dark green, and the skin-friendly layer and the damping layer are light green.

Step (505): and carrying out back gluing on the base cloth layer through SPU glue, wherein the temperature of a back gluing drying channel is 130 ℃, the temperature of a lower drying channel is 50 ℃, the glue-passing humidity is 8%, and the extraction force is 50N/cluster, and rolling to obtain the artificial lawn.

Example seven

The manufacturing method of the artificial lawn specifically comprises the following steps:

step (601): mixing 85 parts of polypropylene resin, 5 parts of color master batch, 15 parts of nylon, 5 parts of block copolymer, 5 parts of silicone auxiliary agent and 5 parts of anti-aging auxiliary agent uniformly, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then drafting, the drafting temperature is 90 ℃, then puffing, the puffing temperature is 250 ℃, the puffing pressure is 0.8MPa, the heat setting temperature is 180 ℃, and finally winding to obtain the curved wire 4 of the shock absorption layer with high dtex, high curvature and high rebound resilience.

Step (602): mixing 85 parts of polyethylene resin, 10 parts of metallocene polyethylene, 10 parts of color master batch, 5 parts of oleamide and 5 parts of anti-aging auxiliary agent uniformly, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then carrying out hot drawing, the drawing temperature is 90 ℃, then carrying out twisting, S twisting and Z twisting are carried out, S twisting is right-handed, Z twisting is left-handed, the twist is 70, and then carrying out heat setting, wherein the heat setting temperature is 180 ℃, and unwinding and winding to obtain the spring wire 5.

Step (603): uniformly mixing 90 parts of polyethylene resin, 20 parts of POE with the melt index of 7.5g/10min, 10 parts of color master batch, 5 parts of fluorine auxiliary agent, 5 parts of anti-aging auxiliary agent, 1 part of nonionic surfactant and 0.5 part of nano ceramic powder, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then carrying out hot drawing, the drawing temperature is 90 ℃, then carrying out heat setting, the heat setting temperature is 190 ℃, and wrapping yarn winding to obtain the straight yarn 3.

Step (604): tufting the curved wires 4, the spring wires 5 and the straight wires 3 on a tufting machine with 10/16 inch according to the grass height of 15-60mm and the needle count of 400 needles/m on a base cloth layer to form a skin-friendly layer, a damping layer and a damping layer, wherein the damping layer is dark green, and the skin-friendly layer and the damping layer are light green.

Step (605): and carrying out back adhesive on the base cloth layer through polyurethane adhesive, wherein the temperature of an adhesive back drying channel is 150 ℃, the temperature of a lower drying channel is 70 ℃, the pulling force is 60N/cluster, and rolling to obtain the artificial lawn.

Example eight

The manufacturing method of the artificial lawn specifically comprises the following steps:

step (701): mixing 75 parts of polypropylene resin, 1 part of masterbatch, 1 part of PET, 1 part of random copolymer, 0.1 part of silicone auxiliary agent and 1.3 parts of anti-aging auxiliary agent uniformly, adding into a screw extruder for extrusion, stretching at 180-260 ℃, stretching at 60 ℃, puffing again at 100 ℃, puffing pressure of 0.4MPa, heat setting at 100 ℃, and finally winding to obtain the curved wire 4 of the high-dtex, high-curvature and high-resilience shock-absorbing layer.

Step (702): uniformly mixing 80 parts of polyethylene resin, 1 part of color master batch, 0.5 part of oleamide and 1.3 parts of anti-aging auxiliary agent, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then carrying out hot drawing, the drawing temperature is 60 ℃, then twisting, twisting into S twist and Z twist, wherein the S twist is in a right-handed direction, the Z twist is in a left-handed direction, the twist is 30 twist, then carrying out heat setting, and unwinding and winding at the heat setting temperature of 100 ℃ to obtain the spring wire 5.

Step (703): uniformly mixing 60 parts of polyethylene resin, 5 parts of SEBS, 1 part of color master batch, 0.5 part of fluorine auxiliary agent, 1.3 parts of anti-aging auxiliary agent 0, 0.1 part of nonionic surfactant and 1 part of nano ceramic powder, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then carrying out hot drawing, the drawing temperature is 60 ℃, then carrying out heat setting, the heat setting temperature is 90 ℃, and wrapping yarn winding to obtain the straight yarn 3.

Step (704): tufting the curved wires 4, the spring wires 5 and the straight wires 3 on a tufting machine with 1/16 inch according to the grass height of 15-60mm and the needle count of 230 needles/m on a base cloth layer to form a skin-friendly layer, a damping layer and a damping layer, wherein the damping layer is dark green, and the skin-friendly layer and the damping layer are apricot green.

Step (705): and carrying out back glue on the base cloth layer through styrene-butadiene rubber, wherein the temperature of a back glue drying channel is 100 ℃, the temperature of a lower drying channel is 40 ℃, the glue-passing humidity is 9%, and the extraction force is 48N/cluster, and rolling to obtain the artificial lawn.

Example nine

The manufacturing method of the artificial lawn specifically comprises the following steps:

step (801): uniformly mixing 80 parts of polypropylene resin, 5 parts of color master batch, 5 parts of PBT, 5 parts of epoxy graft polymer, 3 parts of oleamide and 3 parts of anti-aging auxiliary agent, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then drafting, the drafting temperature is 70 ℃, then puffing, the puffing temperature is 180 ℃, the puffing pressure is 0.6MPa, the heat setting temperature is 140 ℃, and finally winding to obtain the curved wire 4 of the shock absorption layer with high dtex, high curvature and high rebound resilience.

Step (802): mixing 85 parts of polyethylene resin, 5 parts of color master batch, 3 parts of erucamide and 3 parts of anti-aging auxiliary agent uniformly, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then carrying out hot drawing, the drawing temperature is 80 ℃, then twisting, twisting into S twist and Z twist, wherein the S twist is in a right-handed direction, the Z twist is in a left-handed direction, the twist is 40 twists, then carrying out heat setting, and the heat setting temperature is 150 ℃, and unwinding and winding to obtain the spring wire 5.

Step (803): uniformly mixing 80 parts of polyethylene resin, 10 parts of POE, 5 parts of color master batch, 3 parts of fluorine auxiliary agent, 3 parts of anti-aging auxiliary agent, 0.5 part of amphoteric surfactant and 1 part of nano zinc oxide, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then carrying out hot drawing, the drawing temperature is 70 ℃, then carrying out heat setting, the heat setting temperature is 150 ℃, and wrapping yarn winding to obtain the straight yarn 3.

Step (804): tufting the curved wires 4, the spring wires 5 and the straight wires 3 on a 6/16 inch tufting machine according to grass height of 15-60mm and needle count of 200 needles/m on a base cloth layer to form a skin-friendly layer, a damping layer and a damping layer, wherein the damping layer is dark green, and the skin-friendly layer and the damping layer are apricot green.

Step (805): and carrying out back adhesive on the base cloth layer through polyurethane adhesive, wherein the temperature of an adhesive back drying channel is 130 ℃, the temperature of a lower drying channel is 50 ℃, and the pulling force is 70N/cluster, and rolling to obtain the artificial lawn.

Examples ten

The manufacturing method of the artificial lawn specifically comprises the following steps:

step (901): uniformly mixing 90 parts of polypropylene resin, 5 parts of color master batch, 10 parts of nylon, 5 parts of maleic anhydride graft polymer, 5 parts of oleamide and 5 parts of anti-aging auxiliary agent, adding into a screw extruder for extrusion, stretching at 180-260 ℃, stretching at 90 ℃, puffing at 250 ℃, puffing at 0.8MPa, heat setting at 180 ℃, and finally winding to obtain the curved wire 4 of the high-dtex, high-curvature and high-resilience shock-absorbing layer.

Step (902): and (3) uniformly mixing 98 parts of polyethylene resin, 10 parts of color master batch, 5 parts of erucamide and 5 parts of anti-aging auxiliary agent, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then carrying out hot drawing, the drawing temperature is 90 ℃, then twisting, twisting into S twist and Z twist, wherein the S twist is in a right-handed direction, the Z twist is in a left-handed direction, the twist is 70 twist, then carrying out heat setting, and unwinding and winding at the heat setting temperature of 180 ℃ to obtain the spring wire 5.

Step (903): uniformly mixing 90 parts of polyethylene resin, 20 parts of metallocene polyethylene, 10 parts of color master batch, 5 parts of fluorine auxiliary agent, 5 parts of anti-aging auxiliary agent, 1 part of amphoteric surfactant and 5 parts of nano titanium dioxide, adding into a screw extruder for extrusion, wherein the extrusion temperature is 180-260 ℃, then carrying out hot drawing, the drawing temperature is 90 ℃, then carrying out hot setting, the hot setting temperature is 190 ℃, and wrapping yarn winding to obtain the straight yarn 3.

Step (904): tufting the curved wires 4, the spring wires 5 and the straight wires 3 on a tufting machine with 10/16 inch according to the grass height of 15-60mm and the needle count of 400 needles/m on a base cloth layer to form a skin-friendly layer, a damping layer and a damping layer, wherein the damping layer is dark green, and the skin-friendly layer and the damping layer are olive green.

Step (905): and carrying out back adhesive on the base cloth layer through polyurethane adhesive, wherein the temperature of an adhesive back drying channel is 150 ℃, the temperature of a lower drying channel is 70 ℃, and the pulling force is 82N/cluster, and rolling to obtain the artificial lawn.

It should be noted that the artificial turf according to the present utility model includes: the grass yarn layer is composed of a skin-friendly layer, a shock-absorbing layer and a damping layer, the skin-friendly layer is smooth and soft in surface, good in cooling function and used for reducing burn resistance in the movement process and reducing the surface temperature of a lawn, the shock-absorbing layer is good in rebound resilience, shock absorption and shock absorption in the movement process ensure the safety performance of movement, meanwhile, the vertical rebound performance of a ball is met, the damping layer is of a spring structure, excellent rebound resilience and anti-slip performance are achieved, the anti-slip performance and rotation resistance in the movement process are solved, three layers are combined, the lodging and the lodging performances of the lawn are greatly reduced, the sliding performance of the ball is met, and the artificial lawn is suitable for training and movement.

The foregoing embodiment numbers of the present utility model are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (9)

1. An artificial turf, characterized in that it comprises: the carpet comprises a base cloth layer (1), a grass yarn layer tufted on the base cloth layer (1) and a back adhesive layer (2) coated on the bottom of the base cloth layer (1);

the grass yarn layer consists of a skin-friendly layer, a damping layer and a damping layer;

the skin-friendly layer consists of a plurality of straight wires (3) and is used for reducing the burn resistance in the movement process and reducing the surface temperature of the lawn;

the shock absorption layer consists of a plurality of Qu Si (4) and is used for shock absorption and impact absorption in the movement process;

the damping layer is composed of a plurality of spring wires (5) and is provided with a spring structure and is used for solving the problem of anti-skid performance and rotation resistance in the movement process.

2. An artificial lawn according to claim 1, characterised in that the straight filaments (3) are at least one of S-shaped, wave-shaped, C-shaped, diamond-shaped, olive-shaped, the Qu Si (4) is at least one of flat filaments, olive-shaped, diamond-shaped, and the spring filaments (5) are at least one of C-shaped, S-shaped, wave-shaped and diamond-shaped.

3. An artificial lawn according to claim 1, characterised in that any two of the straight filaments (3), the curved filaments (4) and the spring filaments (5) are plied during tufting, either by double-sided yarn feeding, or by ply-plying three filaments, or by interlacing two of them with the other.

4. A synthetic grass lawn according to claim 3 wherein the tufted row spacing is 1/16-10/16 inch and the needle count is 100-400 needles/meter.

5. An artificial lawn according to claim 3, characterised in that the number of said Qu Si (4), said straight filaments (3) and said spring filaments (5) per tuft of grass filaments is 2-12.

6. An artificial lawn according to claim 5, characterised in that the spring wires (5) in each cluster of grass wires comprise a left-hand structure and a right-hand structure.

7. An artificial lawn according to claim 1, characterised in that the dtex of the spring wire (5) and the straight wire (3) is smaller than the dtex of the Qu Si (4), the dtex of the straight wire (3) being smaller than or equal to the dtex of the spring wire (5).

8. An artificial lawn according to claim 1, characterised in that the colour of the spring wire (5) and the straight wire (3) is lighter than the colour of the Qu Si (4), the colour of the straight wire (3) being lighter than or equal to the colour of the spring wire (5).

9. An artificial lawn as claimed in claim 1, characterized in that the backsize layer (2) is selected from one of a styrene-butadiene layer, a styrene-acrylic layer, a polyurethane layer and an SPU layer.

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