CN108360332B

CN108360332B - Filler combination and artificial turf

Info

Publication number: CN108360332B
Application number: CN201810106842.3A
Authority: CN
Inventors: 朱江峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-02-02
Filing date: 2018-02-02
Publication date: 2021-02-02
Anticipated expiration: 2038-02-02
Also published as: CN108360332A

Abstract

The invention discloses a filler combination and an artificial lawn, wherein the filler combination comprises a filler particle group and a covering particle group; the packed particle group comprises at least one of cork particles and coconut shell particles; the set of cover particles comprises cover particles; the artificial lawn comprises a base fabric and artificial grass filaments; the artificial grass filaments are fixed on the base fabric; the artificial turf also comprises a filling layer and a fixing layer which are sequentially overlapped on the base fabric from top to bottom; the artificial grass filaments extend upwards from the base fabric and penetrate out of the fixing layer and the filling layer; the filling layer is formed by combining and laying fillers; the filling layer comprises a covering filling layer and a buffering filling layer; the covering and filling layer is formed by paving covering particle groups; the buffer filling layer is formed by paving filling particle groups; the artificial turf has the advantages that the buffering filling layer has good buffering performance, and the covering filling layer is used as the surface of the turf, so that the integral structure of the turf can be maintained, and the buffering filling layer is prevented from being washed away and lost by rainwater.

Description

Filler combination and artificial turf

Technical Field

The invention relates to a filler combination and an artificial lawn, and belongs to the technical field of artificial lawn parts.

Background

With the development and progress of science and technology, the application field of artificial grass is continuously expanded, and the application of the artificial grass at present gradually extends to the aspects of sports, leisure, aerospace, building materials, military affairs and the like; artificial grass is therefore also becoming increasingly popular. However, the current common artificial turf still has certain limitations and disadvantages in function: poor elasticity and noise damping performance: after the lawn is used for a long time, the lawn is hardened, the lawn filaments are worn and broken, the whole lawn has no elasticity, and the buffering effect of the lawn surface on noise is very weak; poor environmental interference resistance: in cold winter, the illumination time is very short, and the day and night temperature difference is large, so the temperature of the field surface is very low at night, which is not beneficial to the movement of athletes, and meanwhile, the phenomenon of scratching is easy to occur when the field materials with too low temperature, such as grass silk, and the like, are subjected to large hardness movement and fall down, so the safety is relatively low; in hot summer, the temperature of the sunlight irradiating the surface of the common artificial turf is very high and can reach 70-80 ℃, so that the athlete can easily burn when contacting the ground during activity, and the safety is relatively low.

Disclosure of Invention

In order to overcome the defects of the prior art, the first object of the invention is to provide a filler combination which is applied to lawn paving and has the characteristics of heat preservation, water retention and buffering.

A second object of the present invention is to provide an artificial turf, wherein the buffer filling layer has good buffer performance, and the covering filling layer is used as a surface of the turf, so that the overall structure of the turf can be maintained, the buffer filling layer is prevented from being washed away by rainwater, and the overall artificial turf has the characteristics of heat preservation, water retention and buffering.

The first purpose of the invention can be achieved by adopting the following technical scheme: a filler combination comprising a set of filler particles and a set of cover particles; the packed particle group comprises at least one of cork particles and coconut shell particles; the particle sizes of the cork particles and the coconut shell particles are both 0.1-3 mm; the set of cover particles includes cover particles.

Cork, commonly known as Chinese pine, cork and cork bark, is the bark product of well-developed tree species, and the surface protection tissue after the stems and roots are thickened.

Further, the set of filler particles comprises cork particles and coconut shell particles; the volume ratio of the cork particles to the coconut shell particles is (5-10): 5.

Furthermore, the shape of the cork particles and/or coconut shell particles is n-pyramid, and n is more than or equal to 3.

Further, the cork particles and/or coconut shell particles are round or oval in shape.

Further, the covering particles are at least one of SBR, EPDM and TPE particles, and the particle size of the covering particles is 2-5 mm.

The second purpose of the invention can be achieved by adopting the following technical scheme: an artificial lawn comprises a base fabric and artificial grass filaments; the artificial grass filaments are fixed on the base fabric; the artificial turf also comprises a filling layer and a fixing layer which are sequentially overlapped on the base fabric from top to bottom; the artificial grass filaments extend upwards from the base fabric and penetrate out of the fixing layer and the filling layer; the filling layer is formed by laying the filler combination; the filling layer comprises a covering filling layer and a buffering filling layer; the covering filling layer is covered above the buffering filling layer; the covering and filling layer is formed by paving covering particle groups; the buffer filling layer is formed by paving filling particle groups; the fixed layer is formed by laying a plurality of fixed particles.

Further, the thickness ratio of the covering filling layer to the buffering filling layer is 1 (1-3).

Further, the thickness of the buffer filling layer is 2-8 cm.

Further, the fixed particles are quartz sand particles, and the particle size of the quartz sand particles is 5-10 mm.

Compared with the prior art, the invention has the beneficial effects that:

1. the filler combination is applied to the field of lawns, the filler particle group can improve the buffer capacity, the water absorption and moisture retention performance and the heat preservation performance, and compared with the traditional rubber or thermoplastic elastomer particles, the filler layer formed by the particle filler can greatly improve the comprehensive performance of the artificial lawn and improve the use comfort of the artificial lawn;

2. the covering particle group of the filler combination is paved above the filling particle group, and the filling particle group can be pressed, so that the integral hierarchical structure of the artificial turf is maintained, and the filling particle group is prevented from being washed away by rainwater;

3. the artificial turf provided by the invention has the advantages that the covering particle groups and the filling particle groups are paved with the filling layers, so that the resilience and the buffering efficiency can be improved compared with the combination of the blocky filling layers, and the paving is flexible;

4. the artificial turf has a good water absorption function due to the fact that the artificial turf is paved with the buffering filling layer, the filling particle groups can better play a role in locking water, the buffering filling layer is matched with water to play a role in buffering temperature, and the artificial turf has a heat preservation effect;

5. the artificial lawn has the function of absorbing noise and reduces the echo of the field;

6. the fixing layer of the artificial turf is used for fixing the artificial grass filaments.

Drawings

FIG. 1 is a schematic representation of cork pellets of example 1;

FIG. 2 is a schematic structural view of examples 5 to 8;

in the figure, 1, a base fabric; 2. artificial grass filaments; 3. a filling layer; 31. covering the filling layer; 32. a buffer filling layer; 4. and fixing the layer.

Detailed Description

The invention will be further described with reference to the accompanying drawings and the detailed description below:

example 1:

a filler combination comprising a set of filler particles and a set of cover particles; the filling particle group comprises cork particles, and the particle size of the cork particles is 2 mm; the set of overlay particles includes overlay particles.

As shown in figure 1, the shape of the cork particles is n-pyramid, and n is more than or equal to 3; the particle size and the conical shape of cork granule are injectd, and conical shape has the apex angle, and the contact area when the apex angle reducible cork granule collides between the granule reduces the viscidity between the granule, improves resilience and buffering efficiency.

The covering particles are EPDM particles with a particle size of 3 mm.

Example 2:

this example is characterized in that the shape of the cork particles is circular or elliptical, and the remaining structure and characteristics are the same as those of example 1.

Example 3:

a filler combination comprising a set of filler particles and a set of cover particles; the filling particle group comprises coconut shell particles, and the particle size of the coconut shell particles is 2 mm; the set of overlay particles includes overlay particles.

The shape of the coconut shell particles is n-pyramid, and n is more than or equal to 3.

The covering particles are TPE particles with the particle size of 4 mm.

Example 4:

a filler combination comprising a set of filler particles and a set of cover particles; the filling particle group comprises cork particles and coconut shell particles; the particle sizes of the cork particles and the coconut shell particles are both 2-3 mm; the set of overlay particles includes overlay particles.

The shape of the cork particles and the coconut shell particles is n-pyramid, and n is more than or equal to 3; the volume ratio of the cork particles to the coconut shell particles is 9: 5.

The density of cork granule is lower, and its lock water, elasticity and thermal insulation performance are better, but because the quality is too light, bounce easily when receiving the extrusion, can mix the great coconut husk granule of density increase weight to the coconut husk granule is because the quality is great relative cork granule, is difficult to bounce during the collision, and can unload power more fast, and the coconut husk granule can improve artificial turf's elasticity and buffer performance.

The covering particles are TPE particles with the particle size of 4 mm.

Examples 5 to 8:

examples 5 to 8 disclose an artificial turf, as shown in fig. 2, comprising a base fabric 1, artificial grass filaments 2, a filling layer 3 and a fixing layer 4; the artificial grass filaments 2 are fixed on the base fabric 1; the filling layer 3 and the fixing layer 4 are sequentially superposed on the base fabric from top to bottom; the artificial grass filaments 2 extend upwards from the base fabric 1 and penetrate out of the fixing layer 4 and the filling layer 3; the filling layers 3 of the embodiments 5 to 8 are respectively formed by combining and laying the fillers of the embodiments 1 to 4; the filling layer 3 comprises a covering filling layer 31 and a buffering filling layer 32; the covering filling layer 31 is covered above the buffering filling layer 32; the covering and filling layer 31 is formed by laying covering particle groups; the buffer filling layer 32 is formed by laying filling particle groups; the fixed layer 4 is formed by laying a plurality of fixed particles.

The thickness of the buffer filling layer 32 is 6 cm; the thickness of the covering filler layer 31 was 2 cm.

The fixed particles are quartz sand particles with the particle size of 8 mm.

Comparative example:

the artificial lawn is characterized in that a filling layer with the thickness of 8cm is paved by adopting polyester particles.

Noise buffering and temperature buffering detection:

taking the artificial lawns of the examples 5 to 8 and the comparative example with equal area, and then respectively testing the noise buffering and temperature rising performances; the noise buffering test is carried out by taking an artificial lawn sample, arranging a noise source at one end of the lawn, and testing the noise at the other end of the lawn, wherein the adopted noise source is 120 decibels; in the temperature rise performance test, the method is adopted, wherein the temperature is 0 ℃ as the initial temperature of the artificial lawn, the artificial lawn is irradiated for 4 hours in an outdoor sunlight environment, and the temperature rise of the lawn is detected; the test results are detailed in tables 1-2 below:

TABLE 1 noise buffer test data sheet

Sample (I)	Example 5	Example 6	Example 7	Example 8	Comparative example
						Noise level	58 decibel	49 decibel	54 decibel	46 decibel	68 decibel

As can be seen from the data in the above table, the artificial turf of the embodiments 5 to 8 of the present invention has good noise buffering performance.

TABLE 2 temperature rise rate test data sheet

Sample (I)	Example 5	Example 6	Example 7	Example 8	Comparative example
						Raising the temperature	13.5℃	14.7℃	13.6℃	16.8℃	21.8℃

As can be seen from the data in the above table, the artificial turf of the embodiments 5 to 8 of the present invention has good temperature raising performance, the temperature of the grass is not too low at cold temperatures, the hardness of the grass filaments is reduced, and kickers can be better protected.

And (3) detection of buffering performance:

the paved artificial turf is detected by a test method in the FIFA artificial turf quality concept, the test method of Ball rolling (Ball Roll) is FIFA 03/05-1, the test method of Shock Absorption (Shock Absorption) is FIFA 04/05-1 and FIFA 10/05-1, and the test method of torque (rational Resistance) is FIFA 06/05-1 and FIFA 10/05-1; the results are shown in table 3:

TABLE 3 examination results of examples 5 to 8 and comparative example

Detecting items	Example 5	Example 6	Example 7	Example 8	Comparative example
						Ball rolling	6.1 m	6.8 m	5.86 m	6.26 m	5.3 m
Shock absorption	55％	52％	50％	62％	38％
						Torque (40kg weight)	38N	35N	35N	42N	30N

Various other changes and modifications to the above-described embodiments and concepts will become apparent to those skilled in the art from the above description, and all such changes and modifications are intended to be included within the scope of the present invention as defined in the appended claims.

Claims

1. The filler composition is characterized by comprising a filler particle group and a covering particle

Group (d); the filling particle group comprises cork particles and coconut shell particles; the particle sizes of the cork particles and the coconut shell particles are both 2-3 mm; the set of cover particles comprises cover particles;

the volume ratio of the cork particles to the coconut shell particles is (5-10) to 5;

the shape of the cork particles and/or coconut shell particles is n-pyramid, and n is more than or equal to 3;

the covering particles are at least one of SBR, EPDM and TPE particles, and the particle size of the covering particles is 2-5 mm.

2. The filler combination of claim 1, wherein the cork particles and/or coconut shell particles are round or oval in shape.

3. An artificial lawn comprises a base fabric and artificial grass filaments; the artificial grass filaments are fixed on the base fabric; the artificial lawn is characterized by further comprising a filling layer and a fixing layer which are sequentially overlapped from top to bottom; the artificial grass filaments extend upwards from the base fabric and penetrate out of the fixing layer and the filling layer; the filling layer is formed by laying the filling material combination according to any one of claims 1-2; the filling layer comprises a covering filling layer and a buffering filling layer; the covering filling layer is covered above the buffering filling layer; the covering and filling layer is formed by paving covering particle groups; the buffer filling layer is formed by paving filling particle groups; the fixed layer is formed by laying a plurality of fixed particles.

4. An artificial lawn as claimed in claim 3, wherein the ratio of the thickness of the covering infill layer to the thickness of the cushioning infill layer is 1 (1-3).

5. An artificial lawn as claimed in claim 3, wherein the thickness of the cushion filling layer is 2-8 cm.

6. An artificial lawn as claimed in claim 3, wherein the fixing particles are quartz sand particles having a particle size of 5-10 mm.