CN117165187B - Artificial grass adhesive and preparation method thereof - Google Patents
Artificial grass adhesive and preparation method thereof Download PDFInfo
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- CN117165187B CN117165187B CN202311113263.9A CN202311113263A CN117165187B CN 117165187 B CN117165187 B CN 117165187B CN 202311113263 A CN202311113263 A CN 202311113263A CN 117165187 B CN117165187 B CN 117165187B
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- 230000001070 adhesive effect Effects 0.000 title claims abstract description 65
- 239000000853 adhesive Substances 0.000 title claims abstract description 64
- 244000025254 Cannabis sativa Species 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229940051841 polyoxyethylene ether Drugs 0.000 claims abstract description 18
- 229920000056 polyoxyethylene ether Polymers 0.000 claims abstract description 18
- 229920001213 Polysorbate 20 Polymers 0.000 claims abstract description 15
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 claims abstract description 15
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 claims abstract description 15
- 229940068977 polysorbate 20 Drugs 0.000 claims abstract description 15
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims abstract description 12
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 12
- OTARVPUIYXHRRB-UHFFFAOYSA-N diethoxy-methyl-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](C)(OCC)CCCOCC1CO1 OTARVPUIYXHRRB-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 12
- 239000011734 sodium Substances 0.000 claims abstract description 12
- ZNJXRXXJPIFFAO-UHFFFAOYSA-N 2,2,3,3,4,4,5,5-octafluoropentyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC(F)(F)C(F)(F)C(F)(F)C(F)F ZNJXRXXJPIFFAO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000008367 deionised water Substances 0.000 claims abstract description 11
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 11
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000872 buffer Substances 0.000 claims abstract description 8
- 239000003999 initiator Substances 0.000 claims abstract description 8
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 6
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims abstract description 6
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 6
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 55
- 239000007788 liquid Substances 0.000 claims description 20
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 10
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims description 5
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical group [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical group [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 8
- 229940083542 sodium Drugs 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 14
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000004132 cross linking Methods 0.000 description 4
- 239000003995 emulsifying agent Substances 0.000 description 4
- 125000003700 epoxy group Chemical group 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 125000001153 fluoro group Chemical group F* 0.000 description 3
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical group FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- BXQOGTHSKFRGDV-UHFFFAOYSA-N C(CC)[Si](OCC)(OCC)C.[O] Chemical compound C(CC)[Si](OCC)(OCC)C.[O] BXQOGTHSKFRGDV-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000012874 anionic emulsifier Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012875 nonionic emulsifier Substances 0.000 description 1
- 229940057950 sodium laureth sulfate Drugs 0.000 description 1
- SXHLENDCVBIJFO-UHFFFAOYSA-M sodium;2-[2-(2-dodecoxyethoxy)ethoxy]ethyl sulfate Chemical compound [Na+].CCCCCCCCCCCCOCCOCCOCCOS([O-])(=O)=O SXHLENDCVBIJFO-UHFFFAOYSA-M 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to an artificial grass adhesive and a preparation method thereof, and belongs to the technical field of adhesive preparation, wherein the adhesive comprises methyl methacrylate, n-butyl acrylate, acrylic acid, allyl polyoxyethylene ether, polysorbate-20, sodium dodecyl polyoxyethylene ether sulfate, 1, 6-diisocyanatohexane, octafluoropentyl methacrylate, 3-glycidyloxypropyl methyl diethoxy silane, deionized water, an initiator and a buffer. The invention combines polysorbate-20 and sodium dodecyl polyoxyethylene ether sulfate, increases the stability of the adhesive, and combines various materials, so that the prepared adhesive has excellent water resistance and heat resistance.
Description
Technical Field
The invention belongs to the technical field of adhesive preparation, and particularly relates to artificial grass adhesive and a preparation method thereof.
Background
The artificial lawn is an artificial lawn which takes plastic chemical fiber products as materials, is manufactured manually, has the function of part of natural lawns, and is widely accepted due to better wear resistance, uniformity and lower maintenance management requirements; the waterproof adhesive for artificial turf is one kind of material for fixing the joint and edge of artificial turf to strengthen its waterproof capacity and stability. The existing artificial grass adhesive layers in the market are endless, but the adhesive property and the heat resistance are poor, so that the phenomenon that water seepage and falling off or the adhesive part is overheated and melted easily occurs in the use process of the artificial grass, and the use effect is greatly influenced. It is therefore particularly necessary to provide an artificial grass adhesive which has excellent water and heat resistance.
Disclosure of Invention
The invention aims to provide an artificial grass adhesive and a preparation method thereof, wherein 1, 6-diisocyanatohexane consumes hydrophilic groups in a system monomer, and a reticular structure polymer is formed in the system, so that water molecules are difficult to permeate into the cured adhesive; on the basis, octafluoropentyl methacrylate is used as an auxiliary material, a fluorine group is introduced, and a fluorocarbon chain segment surrounds a system without consuming a complete hydrophilic group, so that a shielding protection effect is formed, and the waterproof performance of the adhesive is enhanced; the polysorbate-20 and the sodium dodecyl polyoxyethylene ether sulfate are compounded, so that the stability of the prepared adhesive is synergistically improved, and the waterproof capability of the adhesive is further improved; the 3-glycidoxy propyl methyl diethoxy silane is used as one of the raw materials to make the adhesive have outstanding heat resistance. Solves the problems of poor waterproof and heat-resistant performances of the adhesive in the prior art.
The aim of the invention can be achieved by the following technical scheme:
an artificial grass adhesive comprises the following raw materials in parts by weight:
as a preferable technical scheme of the invention, the adhesive also comprises ammonia water.
As a preferable technical scheme of the invention, the initiator is potassium persulfate.
As a preferred embodiment of the present invention, the buffer is sodium bicarbonate.
As a preferable technical scheme of the invention, the preparation method of the adhesive comprises the following steps:
S1, 2/5 parts by weight of deionized water, polysorbate-20 and sodium dodecyl polyoxyethylene ether sulfate are stirred at a controlled temperature, methyl methacrylate, n-butyl acrylate, acrylic acid, allyl polyoxyethylene ether and 3-glycidyloxypropyl methyl diethoxysilane are added after the stirring is completed, and the mixture is stirred at a controlled temperature and a controlled speed to obtain an intermediate solution for later use;
s2, stirring the rest deionized water, the initiator and the buffer agent at a temperature control and speed control, controlling the temperature after stirring, then keeping the stirring speed unchanged, adding the intermediate liquid for standby in the step S1, heating when the intermediate liquid is added in half, stirring after heating is finished, and preserving the temperature after stirring is finished to obtain the liquid to be screened;
S3, naturally cooling the solution to be screened, then adding 1, 6-diisocyanatohexane and octafluoropentyl methacrylate, stirring, screening, and regulating the pH value with ammonia water to obtain the adhesive.
As a preferable technical scheme of the invention, the temperature of the temperature-controlled stirring in the step S1 is 24-28 ℃ and the time is 15-20min; the temperature and speed of the stirring are controlled to be 45-50 ℃, the speed is 700-750r/min and the time is 0.5-1h.
As a preferable technical scheme of the invention, the dripping mode of the intermediate liquid in the step S2 is that the dripping is completed within 2.5-3 hours at a constant speed.
As a preferable technical scheme of the invention, the temperature and speed of stirring in the step S2 is 25-28 ℃, the speed is 240-260r/min and the time is 10-15min; the temperature is controlled to be 70-75 ℃ after the stirring is completed; the intermediate liquid is heated to 80-85 ℃ when being added with half of the intermediate liquid; stirring time for stirring is 10-15min after the temperature is raised; the heat preservation time is 1.5-2h.
As a preferable technical scheme of the invention, the natural cooling in the step S3 is to naturally cool to below 35 ℃; the stirring time is 0.5-1h; sieving with 100-150 mesh sieve; the pH value is adjusted to 7-8.
The invention has the beneficial effects that:
(1) The invention adds 1, 6-diisocyanatohexane and octafluoropentyl methacrylate, so that the prepared adhesive has excellent waterproof property. The invention uses 1, 6-diisocyanatohexane to consume hydrophilic groups in the system monomers, reduces the content of the hydrophilic groups, and forms a net-shaped polymer in the system at the same time, so that water molecules are difficult to permeate into the cured adhesive; on the basis, octafluoropentyl methacrylate is used as an auxiliary material, a fluorine group is introduced, and a fluorocarbon chain segment surrounds a system without consuming a complete hydrophilic group, so that a shielding protection effect is formed, and the waterproof performance of the adhesive is enhanced.
(2) According to the invention, the nonionic emulsifier polysorbate-20 and the anionic emulsifier sodium dodecyl polyoxyethylene ether sulfate are used as the compound emulsifier, so that the stability of the prepared adhesive is synergistically increased, and the waterproof capability of the adhesive is further improved. The invention is characterized in that the polysorbate-20 and the sodium dodecyl polyoxyethylene ether sulfate are alternately adsorbed on the surfaces of the system particles, so that the distance between emulsifier ions on the surfaces of the system particles is increased, meanwhile, the electrostatic shielding effect of the polysorbate-20 is used for reducing the electrostatic tension on the surfaces of the particles, increasing the adsorption fastness, further increasing the emulsion stability of a finished product, and in addition, the polysorbate-20 can also form a hydration layer, so that the compound emulsifier adopted by the invention can enable electrostatic repulsive force between the particles and form a thicker hydration layer on the surfaces of the particles, thereby enabling the adhesive to have great stability and further increasing the waterproof capability of the adhesive.
(3) The invention adds 3-glycidol ether oxygen propyl methyl diethoxy silane, so that the prepared adhesive has outstanding heat resistance. This is because the 3-glycidoxypropyl methyl diethoxy silane is introduced into the epoxy group and the siloxane bond with higher bond energy, the epoxy group can be hydrolyzed and react in the system, the crosslinking degree in the system is increased, the movement of polymer molecular chains is limited, the siloxane bond energy is higher, and higher heat is required for destroying the siloxane bond, so that the 3-glycidoxypropyl methyl diethoxy silane increases the heat resistance of the adhesive glue by increasing the crosslinking degree of the system and the bond energy.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
An artificial grass adhesive comprises the following raw materials in parts by weight:
The adhesive also comprises ammonia water.
The preparation method of the adhesive comprises the following steps:
S1, stirring 2/5 parts by weight of deionized water, polysorbate-20 and sodium dodecyl polyoxyethylene ether sulfate at a temperature of 26 ℃ for 15min, adding methyl methacrylate, n-butyl acrylate, acrylic acid, allyl polyoxyethylene ether and 3-glycidyloxypropyl methyl diethoxysilane after stirring, and stirring for 1h at a temperature of 50 ℃ at a speed of 700r/min to obtain an intermediate solution for later use;
s2, stirring the rest deionized water, an initiator and a buffer at a temperature of 25 ℃ and a speed of 250r/min for 15min, controlling the temperature at 70 ℃ after stirring, keeping the stirring speed unchanged, dropwise adding the intermediate liquid prepared in the step S1 within 2.5h at a constant speed, heating to 85 ℃ when the intermediate liquid is added for half, stirring for 10min after heating, and preserving the temperature for 1.5h after stirring to obtain the liquid to be screened;
S3, naturally cooling the solution to be screened to below 35 ℃, then adding 1, 6-diisocyanatohexane and octafluoropentyl methacrylate, stirring for 0.5h, sieving with a 100-mesh sieve, and regulating the pH to 8 by using ammonia water to obtain the adhesive.
Example 2
An artificial grass adhesive comprises the following raw materials in parts by weight:
The adhesive also comprises ammonia water.
The preparation method of the adhesive comprises the following steps:
S1, stirring 2/5 parts by weight of deionized water, polysorbate-20 and sodium dodecyl polyoxyethylene ether sulfate at a temperature of 28 ℃ for 18min, adding methyl methacrylate, n-butyl acrylate, acrylic acid, allyl polyoxyethylene ether and 3-glycidyloxypropyl methyl diethoxysilane after stirring, and stirring at a temperature of 45 ℃ at a speed of 725r/min for 0.5h to obtain an intermediate solution for later use;
S2, stirring the rest deionized water, an initiator and a buffer at a temperature of 26 ℃ and a speed of 260r/min for 13min, controlling the temperature at 75 ℃ after stirring, keeping the stirring speed unchanged, dropwise adding the intermediate liquid prepared in the step S1 within 3h at a constant speed, heating to 80 ℃ when the intermediate liquid is added for half, stirring for 13min after heating, and preserving the temperature for 2h after stirring to obtain the liquid to be screened;
s3, naturally cooling the solution to be screened to below 35 ℃, then adding 1, 6-diisocyanatohexane and octafluoropentyl methacrylate, stirring for 1h, sieving with a 120-mesh sieve, and regulating the pH to 8 by using ammonia water to obtain the adhesive.
Example 3
An artificial grass adhesive comprises the following raw materials in parts by weight:
The adhesive also comprises ammonia water.
The preparation method of the adhesive comprises the following steps:
S1, stirring 2/5 parts by weight of deionized water, polysorbate-20 and sodium dodecyl polyoxyethylene ether sulfate at a temperature of 24 ℃ for 20min, adding methyl methacrylate, n-butyl acrylate, acrylic acid, allyl polyoxyethylene ether and 3-glycidyloxypropyl methyl diethoxysilane after stirring, and stirring at a temperature of 48 ℃ for 750r/min for 0.5h to obtain an intermediate solution for later use;
S2, stirring the rest deionized water, an initiator and a buffer at the temperature of 28 ℃ and the speed of 240r/min for 10min, controlling the temperature of 73 ℃ after stirring, keeping the stirring speed unchanged, dropwise adding the intermediate liquid prepared in the step S1 within 2.5h at a constant speed, heating to 83 ℃ when the intermediate liquid is added for half, stirring for 15min after heating, and preserving the temperature for 1.5h after stirring to obtain the liquid to be screened;
S3, naturally cooling the solution to be screened to below 35 ℃, then adding 1, 6-diisocyanatohexane and octafluoropentyl methacrylate, stirring for 1h, sieving with a 150-mesh sieve, and regulating the pH to 7 by using ammonia water to obtain the adhesive.
Comparative example 1
In comparison with example 3, the difference is that 1, 6-diisocyanatohexane was not added in comparative example 1, and the remaining operation steps and parameters were unchanged.
Comparative example 2
In comparison with example 3, the difference is that in comparative example 1, octafluoropentyl methacrylate was not added, and the remaining operation steps and parameters were not changed.
Comparative examples 3 to 4
The difference compared with example 6 is that the parts by weight of polysorbate-20 and sodium laureth sulfate in comparative examples 3-4 are shown in Table 1, and the remaining operation steps and parameters are unchanged.
TABLE 1
| Polysorbate-20 (parts by weight) | Sodium dodecyl polyoxyethylene ether sulfate (weight portions) | |
| Comparative example 3 | 0.9 | 0 |
| Comparative example 4 | 0 | 0.9 |
Comparative example 5
In comparison with example 3, the difference is that in comparative example 5, 3-glycidoxypropyl methyldiethoxysilane is not added, and the remaining operating steps and parameters are unchanged.
Performance detection
(1) And (3) water resistance test: 30g of the adhesive prepared in examples 1-3 and comparative examples 1-4 were weighed in a glass petri dish, naturally dried to prepare a film, the film was cut into square samples of 15mm×15mm, the mass of the samples (accurate to 0.001 g) was weighed, placed in a petri dish filled with distilled water, the distilled water was soaked on the upper surface of the film for 24 hours at room temperature, taken out, and the surface of the film was gently wiped off with filter paper and immediately weighed. The water resistance of the film is characterized by adopting the water absorption, each sample is tested for 3 times, the result is averaged, and the water absorption of the film is calculated by the formula: w= (m 1-m0)/m0 ×100%;
Wherein W is the water absorption of the film,%;
m 0 -initial mass of sample, g;
m 1, the mass of the sample after water absorption, g;
the results are shown in Table 2.
(2) Heat resistance test: 30g of the adhesive prepared in examples 1 to 3 and comparative example 5 were weighed in a glass petri dish, naturally dried, and made into a film, which was cut into square test pieces of 15mm×15mm, and shrinkage of the test pieces in MD and TD directions at 100℃for 1h, 130℃for 1h, and 160℃for 1h, respectively. The separator thermal shrinkage test involved both the machine direction and the transverse direction, and the results are shown in table 2.
TABLE 2
From the water absorption data of examples 1-3 and comparative examples 1-4 in Table 2, the adhesive prepared by the invention has excellent water resistance, because the hydrophilic groups in the monomers of the system are consumed by 1, 6-diisocyanatohexane, the content of the hydrophilic groups is reduced, and meanwhile, a net-shaped polymer is formed in the system, so that water molecules are difficult to penetrate into the cured adhesive; on the basis, octafluoropentyl methacrylate is used as an auxiliary material, a fluorine group is introduced, and a fluorocarbon chain segment surrounds a system without consuming a complete hydrophilic group, so that a shielding protection effect is formed, and the waterproof performance of the adhesive is enhanced; in addition, the invention takes polysorbate-20 and sodium dodecyl polyoxyethylene ether sulfate as a compound emulsifier to synergistically increase the stability of the prepared adhesive, thereby increasing the waterproof capability of the adhesive.
From Table 2, examples 1 to 3 and comparative example 5, the adhesive prepared in the present invention had outstanding heat resistance in terms of heat shrinkage in the longitudinal and transverse directions. This is because the 3-glycidoxypropyl methyl diethoxy silane is introduced into the epoxy group and the siloxane bond with higher bond energy, the epoxy group can be hydrolyzed and react in the system, the crosslinking degree in the system is increased, the movement of polymer molecular chains is limited, the siloxane bond energy is higher, and higher heat is required for destroying the siloxane bond, so that the 3-glycidoxypropyl methyl diethoxy silane increases the heat resistance of the adhesive glue by increasing the crosslinking degree of the system and the bond energy.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely illustrative and explanatory of the invention, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.
Claims (8)
1. The artificial grass adhesive is characterized by comprising the following raw materials in parts by weight:
The adhesive glue also comprises ammonia water;
The preparation method of the adhesive comprises the following steps:
S1, 2/5 parts by weight of deionized water, polysorbate-20 and sodium dodecyl polyoxyethylene ether sulfate are stirred at a controlled temperature, methyl methacrylate, n-butyl acrylate, acrylic acid, allyl polyoxyethylene ether and 3-glycidyloxypropyl methyl diethoxysilane are added after the stirring is completed, and the mixture is stirred at a controlled temperature and a controlled speed to obtain an intermediate solution for later use;
s2, stirring the rest deionized water, the initiator and the buffer agent at a temperature control and speed control, controlling the temperature after stirring, then keeping the stirring speed unchanged, adding the intermediate liquid for standby in the step S1, heating when the intermediate liquid is added in half, stirring after heating is finished, and preserving the temperature after stirring is finished to obtain the liquid to be screened;
S3, naturally cooling the solution to be screened, then adding 1, 6-diisocyanatohexane and octafluoropentyl methacrylate, stirring, screening, and regulating the pH value with ammonia water to obtain the adhesive.
2. An artificial grass adhesive as claimed in claim 1, wherein the buffer is sodium bicarbonate.
3. An artificial grass adhesive as claimed in claim 1, wherein the initiator is potassium persulfate.
4. The artificial grass adhesive of claim 1, wherein the temperature of the temperature-controlled stirring in step S1 is 24-28 ℃ for 15-20min; the temperature and speed of the stirring are controlled to be 45-50 ℃, the speed is 700-750r/min and the time is 0.5-1h.
5. The artificial grass adhesive of claim 1, wherein the intermediate liquid is added in step S2 at a constant rate within 2.5-3 hours.
6. The artificial grass adhesive of claim 1, wherein the temperature and speed of the stirring in the step S2 is 25-28 ℃, the speed is 240-260r/min, and the time is 10-15min; the temperature of the temperature control after the stirring is completed is 70-75 ℃.
7. The artificial grass adhesive of claim 1, wherein the intermediate liquid in step S2 is heated to 80-85 ℃ when added in excess of half; stirring time for stirring is 10-15min after the temperature is raised; the heat preservation time is 1.5-2h.
8. The artificial grass adhesive of claim 1, wherein the natural cooling in step S3 is natural cooling to below 35 ℃; the stirring time is 0.5-1h; sieving with 100-150 mesh sieve; the pH value is adjusted to 7-8.
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|---|---|---|---|
| CN202311113263.9A CN117165187B (en) | 2023-08-31 | 2023-08-31 | Artificial grass adhesive and preparation method thereof |
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| CN117165187B true CN117165187B (en) | 2024-04-30 |
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| CN102925085A (en) * | 2012-11-29 | 2013-02-13 | 南通高盟新材料有限公司 | Water emulsion type plant adhesive and preparation method thereof |
| CN106479407A (en) * | 2016-09-29 | 2017-03-08 | 东莞市冠力胶业有限公司 | A kind of paper-plastic stick adhesive and preparation method thereof |
| CN109294481A (en) * | 2017-07-25 | 2019-02-01 | 济宁明升新材料有限公司 | A kind of chinampa styrene-butadiene latex and preparation method |
| CN108118579A (en) * | 2017-12-01 | 2018-06-05 | 高产明 | A kind of preparation method of antistatic permeable chinampa |
| CN114891464A (en) * | 2022-05-30 | 2022-08-12 | 山东新华医疗器械股份有限公司 | High-initial-viscosity high-temperature-resistant water-based acrylate pressure-sensitive adhesive and preparation method thereof |
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