CN112226838A - Artificial grass silk with shape memory function, preparation method and artificial lawn - Google Patents
Artificial grass silk with shape memory function, preparation method and artificial lawn Download PDFInfo
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- CN112226838A CN112226838A CN202011089214.2A CN202011089214A CN112226838A CN 112226838 A CN112226838 A CN 112226838A CN 202011089214 A CN202011089214 A CN 202011089214A CN 112226838 A CN112226838 A CN 112226838A
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- Prior art keywords
- shape memory
- artificial
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- memory function
- artificial turf
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
- E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to the technical field of artificial turf manufacturing, in particular to artificial grass filaments with a shape memory function, a preparation method and an artificial turf, wherein the artificial grass filaments comprise the following raw materials in parts by weight: 60-90 parts of matrix resin, 5-20 parts of thermotropic or photoinduced shape memory high-molecular polymer, 1-10 parts of color master batch, 1-5 parts of surface modification compatilizer and 5-10 parts of auxiliary agent. The artificial turf can automatically and slowly recover to the upright state in non-use time when the artificial turf is subjected to external damage such as friction, pressure and the like, reduces unrecoverable shape damage such as lodging, deflection and the like, and ensures the continuity and maintenance of performance indexes such as aesthetic property, buffering property, frictional property and the like of the artificial turf.
Description
Technical Field
The invention relates to the technical field of artificial turf manufacturing, in particular to artificial grass filaments with a shape memory function, a preparation method and an artificial turf.
Background
The artificial turf comprises grass silk, base cloth and the primer of fixed grass silk, and artificial turf is more and more welcomed by people nowadays, not only at the place of sports, still is applied to leisure area, domestic courtyard, ice and snow place and view place etc. compare natural turf, and artificial turf has advantages such as pleasing to the eye durable, maintenance cost is low and the four seasons is general.
However, in the case of a general artificial turf, as in the case of natural grass, under external conditions such as long-term high-load treading and press abrasion, unrecoverable shape damage such as lodging and deflection occurs. The lawn which is mainly used for high-frequency treading and high-load pressing such as a football sports lawn, an artificial skiing lawn, a leisure lawn and the like is used, and performance indexes such as attractiveness, buffering performance, friction performance and the like of the lawn are seriously influenced.
Disclosure of Invention
To overcome the defects in the prior art, the invention provides the artificial grass filament with the shape memory function, the preparation method and the artificial lawn, the artificial lawn has the advantages that the performance level of the original pavement state of the lawn is effectively maintained, when the artificial grass filament is subjected to external damage such as friction, pressure and the like, the artificial grass filament can be automatically and slowly restored to the upright state in non-use time, the unrecoverable shape damage such as lodging and deflection is reduced, and the continuity and the maintenance of performance indexes such as the attractiveness, the buffering property, the friction property and the like of the artificial lawn are ensured.
The invention is realized by the following technical scheme:
the artificial grass filaments with the shape memory function are provided, and comprise the following raw materials in parts by weight:
60-90 parts of matrix resin, 5-20 parts of thermotropic or photoinduced shape memory high-molecular polymer, 1-10 parts of color master batch, 1-5 parts of surface modification compatilizer and 5-10 parts of auxiliary agent.
The thermotropic or photoinduced shape memory high molecular polymer in the scheme generally consists of a homostationary phase for preventing the resin from flowing and remembering the initial state and a reversible phase capable of being reversibly solidified and softened along with the temperature change. The reversible phase is a physically cross-linked structure, such as crystalline, glassy, etc., while the homologous phase is a physically cross-linked structure or a chemically cross-linked structure. The compatibility of the thermotropic or photoinduced shape memory high molecular polymer and the polyethylene resin is solved by utilizing the surface modifier compatilizer,
the thermotropic or photoinduced shape memory high polymer is one or a combination of more of polynorbornene, polyurethane, high trans-polyisoprene, styrene, 7-butadiene copolymer, fluorine-containing resin, polycaprolactone, cinnamic acid and diacrylate.
The auxiliary agent is one or a combination of several of an ultraviolet absorbent, an antioxidant, a dispersing agent and a fluoropolymer processing aid. Wherein the fluoropolymer processing aid can be selected from PPA2800, PPA5911, PPA2200, FX5920, DA310, Z100, etc. of Dupont, 3M, Japan Dajin, France, Acoma, and Corydo chemical.
The ultraviolet absorbent is salicylate, benzophenone, benzotriazole, substituted acrylonitrile, triazine, and contains one or more of ultraviolet absorbent UV-540, ultraviolet absorbent UV-P, light stabilizer 883, and light stabilizer 744.
The antioxidant is one or more of antioxidant 1010, antioxidant 168, antioxidant 1076, antioxidant DNP, antioxidant DLTP, antioxidant 264 and antioxidant 164.
The dispersant is one or more of fatty acids, paraffin, metal soaps and silicone oils.
According to the preparation method of the artificial grass filament with the shape memory function, the matrix, the color master batch, the thermotropic or photoinduced shape memory high polymer and the auxiliary agent in parts by weight are mixed, extruded, drawn, shaped and twisted by a single-screw extruder to be processed into the artificial grass filament with the shape memory function.
Wherein: the temperature of the extruder in the 1-6 area is 225 + -5 deg.C, the temperature of the die head in the 21-25 area is 228 + -5 deg.C, the pressure of the die head is 57 + -2 MPa, and the pressure of the melting pump is 45 + -2 MPa.
The artificial grass filaments are woven on a base cloth in a tufting mode, the back of the base cloth is uniformly coated with a carboxylic styrene-butadiene latex or polyurethane component, and the artificial grass filaments are dried by a long oven or subjected to infrared irradiation and then cured and formed to obtain the artificial lawn with the shape memory function.
An artificial turf with shape memory function is prepared through preparing artificial turf from the artificial grass fibres with shape memory function.
Compared with the prior art, the invention has the following beneficial effects:
compared with the artificial turf in the prior art, the artificial turf has the function of memorizing the initial shape because the artificial turf contains the shape memory artificial grass filaments, and the artificial grass filaments can automatically and slowly recover to the upright state in non-use time after being bent and lodged due to external factors such as treading, rolling and abrasion under the condition of reaching a certain temperature or illumination stimulation, so that the unrecoverable shape damage such as lodging and deflection is reduced, and the continuity and the retentivity of performance indexes such as the attractiveness, the buffering performance, the friction coefficient and the supporting performance of the artificial turf are ensured.
Secondly, the excitation source of the artificial turf with the shape memory function is temperature or illumination, no extra investment is needed, only the shape memory function master batch is added in a formula system, the components of the master batch are temperature-induced or photoinduced shape memory high-molecular polymers, the types of the selectable shape memory high-molecular polymers are various, and the cost is low.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
A preparation method of the artificial grass filaments with the shape memory function comprises the following steps: mixing, extruding, drawing, shaping and twisting the matrix, the color master batch, the thermotropic or photoinduced shape memory polymer material, the surface modification compatilizer and the auxiliary agent by using a single-screw extruder, and processing into the shape memory function artificial grass filaments.
An artificial lawn with shape memory function is composed of artificial grass filament with shape memory function, base cloth and back adhesive layer made of shape memory high-molecular polymer and resin. Among them, PP material is generally used.
Example 1:
temperature-induced shape memory artificial grass filaments:
(1) mixing the materials in a storage tank mixer according to the formula of A part by weight, and then carrying out melt extrusion, wire drawing, shaping, twisting and processing to form the shape memory functional artificial turf by using a single-screw extruder;
wherein: the temperature in the extruder 1-6 zone was 225 deg.C, the temperature in the die 21-25 zone was 228 deg.C, the die pressure was 57MPa, and the melt pump pressure was 45 MPa.
In addition, the temperature of the filter 9 region was set to 225 ℃, the temperature of the Tape10 region was set to 52 ℃, the temperature of the pump body 11 region was set to 225 ℃, the temperature of the adapter 12 region was set to 225 ℃, the temperature of the water tank was set to 30 ℃, the temperature of the feed port was set to 25 ℃, the temperature of the cold roll was set to 40 ℃, the temperature of the oil roll 1 was set to 115 ℃, the temperature of the oil roll 2 was set to 115 ℃, the temperature of the oil roll 3 was set to 79 ℃, the temperature of the oven 1 was set to 127 ℃, and the temperature of the oven 2 was set to 127.
The pump speed is 14.5m/min, and the pump speed parameter is adjusted according to the fineness of the product. The speed of extracting the silk is 14.7 m/min; the traction speed is 14.9 m/min; the drawing speed was 59.6 m/min.
The speed of the annealing roller 3 is 59.0m/min, the speed of the annealing roller 2 is 57.6m/min, the linear speed is 55.0 m/min, and the speed of the oiling roller is 0.05 m/min. Draft ratio 4.0: 1, total ratio 3.7: 1, the net changing interval time is 20 min.
(2) Processing the shape memory functional artificial turf with the base fabric into an artificial turf through a tufting machine;
(3) uniformly coating the carboxylic styrene-butadiene latex on the bottom of the artificial lawn, wherein the back glue amount is 700g/m2And curing and molding the mixture after passing through a horizontal long oven to obtain the artificial turf with the shape memory function.
Testing the effect of the artificial lawn with the shape memory function: the shape memory temperature of the high trans-polyisoprene shape memory master batch is controlled to be 55 ℃ through vulcanization, namely the temperature-induced shape memory excitation temperature is 55 ℃, and the temperature is close to the surface temperature of the solarized artificial lawn; is resistant to wear by LISPORTTMXL abrasion tester, test for 2000 h.
| Lawn classification | Common artificial lawn | Artificial lawn with temperature-induced shape memory function |
| Lodging rate of grass filaments after 2000h abrasion test | 60％ | 55％ |
| The lodging rate of the grass filaments after the environmental temperature is increased to 55 ℃ for 2h | 58％ | 11％ |
Through the tests, compared with the common artificial turf, the artificial turf adopting the artificial turf silk has the advantages that the lodging rate in the abrasion test is superior to that of the common artificial turf, the artificial turf adopting the artificial turf silk has the function of recovering the shape after the environmental temperature is increased to 55 ℃, the lodging rate can be obviously reduced, and the performance of the artificial turf adopting the artificial turf silk is superior to that of the artificial turf in the prior art.
Example 2:
photoinduced shape memory artificial turf:
(1) mixing the materials in a storage tank mixer according to the formula of the part by weight B, and then carrying out melt extrusion, wire drawing, shaping, twisting and processing to form the shape memory functional artificial turf by using a single-screw extruder;
wherein: the temperature in the extruder 1-6 zone was 230 ℃, the temperature in the die 21-25 zone was 232 ℃, the die pressure was 59Mpa, and the melt pump pressure was 47 Mpa.
In addition, the temperature of the filter 9 area is set to 230 ℃, the temperature of the Tape10 area is set to 57 ℃, the temperature of the pump body 11 area is set to 230 ℃, the temperature of the adapter 12 area is set to 225 ℃, the temperature of the water tank is set to 32 ℃, the temperature of the feed inlet is set to 29 ℃, the temperature of the cold roll is set to 45 ℃, the temperature of the oil roller 1 is set to 120 ℃, the temperature of the oil roller 2 is set to 110 ℃, the temperature of the oil roller 3 is set to 80 ℃, the temperature of the oven 1 is set to 127 ℃, and the temperature of the oven 2 is set to 130.
The pump speed is 19.5m/min, and the pump speed parameter is adjusted according to the fineness of the product. The speed of extracting the silk is 12.7 m/min; the traction speed is 14 m/min; the drawing speed was 60 m/min.
The speed of the annealing roller 3 is 64m/min, the speed of the annealing roller 2 is 60m/min, the linear speed is 60m/min, and the speed of the oiling roller is 0.04 m/min. Draft ratio 3.0: 1, total ratio 2.7: 1, the net changing interval time is 28 min.
(2) Processing the shape memory functional artificial turf with the base fabric into an artificial turf through a tufting machine;
(3) uniformly coating the carboxylic styrene-butadiene latex on the bottom of the artificial lawn, wherein the back glue amount is 700g/m2And curing and molding the mixture after passing through a horizontal long oven to obtain the artificial turf with the shape memory function.
Testing the effect of the artificial lawn with the shape memory function: the cinnamic acid CA group shape memory high molecular polymer forms a semi-interpenetrating network high molecular by introducing CA macromolecules into matrix resin. Is resistant to wear by LISPORTTMXL abrasion tester, test for 2000 h.
| Lawn classification | Common artificial lawn | Artificial lawn with photoinduced shape memory function |
| Lodging rate of grass filaments after 2000h abrasion test | 60％ | 61％ |
| Lodging rate of grass filaments after 2h of sunlight irradiation | 58％ | 13％ |
Through the tests, compared with the common artificial turf, the artificial turf adopting the artificial turf has the same level as the abrasion test of the common artificial turf, but has the function of recovering the shape after illumination stimulation, and can obviously reduce the lodging rate.
Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments are merely for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions which are made by those skilled in the art within the spirit of the present invention are also within the scope of the claims of the present invention.
Claims (7)
1. An artificial grass filament with shape memory function, which is characterized in that: the composite material comprises the following raw materials in parts by weight: 60-90 parts of matrix resin, 5-20 parts of thermotropic or photoinduced SMP, 1-5 parts of surface modification compatilizer, 1-10 parts of color master batch and 5-10 parts of auxiliary agent.
2. An artificial grass filament with shape memory according to claim 1, characterised in that: the thermotropic or photoinduced shape memory high polymer is one or a combination of more of polynorbornene, polyurethane, high trans-polyisoprene, styrene, 7-butadiene copolymer, fluorine-containing resin, polycaprolactone, cinnamic acid and diacrylate.
3. An artificial grass filament with shape memory according to claim 1, characterised in that: the auxiliary agent is one or a combination of several of an ultraviolet absorbent, an antioxidant, a dispersing agent and a fluoropolymer processing aid.
4. A method for preparing artificial grass filaments with shape memory function according to claim 1, characterized in that: the base body, the color master batch, the thermotropic or photoinduced shape memory polymer material and the auxiliary agent according to the weight portion of the claim 1 are mixed, extruded, drawn, shaped and twisted by a single screw extruder to form the shape memory function artificial grass filaments.
5. A method for preparing artificial grass filaments with shape memory function according to claim 4, wherein: the temperature of the extruder in the 1-6 area is 225 + -5 deg.C, the temperature of the die head in the 21-25 area is 228 + -5 deg.C, the pressure of the die head is 57 + -2 MPa, and the pressure of the melting pump is 45 + -2 MPa.
6. A method for preparing an artificial lawn using the artificial grass having a shape memory function of claim 1, characterized in that: weaving the artificial grass filaments with the shape memory function on the base cloth in a tufting mode, uniformly coating carboxyl styrene-butadiene latex or polyurethane components on the back of the base cloth, and curing and molding after drying in a long oven or infrared irradiation to obtain the artificial turf with the shape memory function.
7. An artificial turf with a shape memory function obtained by the method for preparing an artificial turf by using the artificial turf with a shape memory function according to claim 6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011089214.2A CN112226838A (en) | 2020-10-13 | 2020-10-13 | Artificial grass silk with shape memory function, preparation method and artificial lawn |
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| CN202011089214.2A CN112226838A (en) | 2020-10-13 | 2020-10-13 | Artificial grass silk with shape memory function, preparation method and artificial lawn |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112878133A (en) * | 2021-01-18 | 2021-06-01 | 哈尔滨学院 | Self-snow-melting pavement structure based on graphene |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000086849A (en) * | 1998-09-08 | 2000-03-28 | Tokai Rubber Ind Ltd | Shape memory resin composition and shape memory article using same |
| KR20110033971A (en) * | 2009-09-27 | 2011-04-04 | 오은영 | Artificial turf |
| CN106757468A (en) * | 2016-11-28 | 2017-05-31 | 江苏共创人造草坪有限公司 | A kind of chinampa with antibiotic property and preparation method thereof |
-
2020
- 2020-10-13 CN CN202011089214.2A patent/CN112226838A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000086849A (en) * | 1998-09-08 | 2000-03-28 | Tokai Rubber Ind Ltd | Shape memory resin composition and shape memory article using same |
| KR20110033971A (en) * | 2009-09-27 | 2011-04-04 | 오은영 | Artificial turf |
| CN106757468A (en) * | 2016-11-28 | 2017-05-31 | 江苏共创人造草坪有限公司 | A kind of chinampa with antibiotic property and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112878133A (en) * | 2021-01-18 | 2021-06-01 | 哈尔滨学院 | Self-snow-melting pavement structure based on graphene |
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Application publication date: 20210115 |