CN106967207B - Synthetic surface layer material for sports ground and preparation method thereof - Google Patents
Synthetic surface layer material for sports ground and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3225—Polyamines
- C08G18/3237—Polyamines aromatic
- C08G18/3243—Polyamines aromatic containing two or more aromatic rings
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/36—Hydroxylated esters of higher fatty acids
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/34—Silicon-containing compounds
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2350/00—Acoustic or vibration damping material
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
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Abstract
A synthetic surface layer material for a sports ground relates to the field of plastic materials, and comprises the following raw materials in parts by weight: the component A comprises: 80-120 parts of vegetable oil polyol (molecular weight 2000) and 65-75 parts of MDI; and B component: 25-35 parts of vegetable oil polyol (molecular weight 2000), 30-40 parts of vegetable oil polyol (molecular weight 4000), 30-45 parts of MBDA1, 3-6 parts of pigment, 0.5-1 part of antioxidant, 0.5-1 part of ultraviolet-resistant absorbent and 0.1-0.5 part of catalyst. The scheme provides a synthetic surface layer material for a sports field, which has good skid resistance, elasticity and damping performance, and can reduce fatigue and sports injury; the super-strong wear resistance, oil resistance, aging resistance, excellent bonding performance and long service life; no toxicity, no smell, environmental protection and no harm to human health.
Description
Technical Field
The invention relates to a plastic material, in particular to a synthetic surface layer material for a sports ground.
Background
The traditional plastic track products are TDI (toluene diisocynate) type, because the vapor pressure of TDI is high (about 1.33Pa at 20 ℃), the TDI has serious irritation to the respiratory system of people, great harm is caused to the health of people in the production and construction processes of plastic track slurry, and harmful gas can be slowly released in the use process of the plastic track to influence the health of people. The IST (International sports track technical Association) proposed, as early as 1994, a sports track that did not accept the use of polyurethane systems containing monomeric TDI components, in response to the problem of "paving sports tracks with polyurethane resins", while MDI has a low vapor pressure (about 1.33X 10-3Pa at 25 ℃) and is less harmful to human health, and MDI-based plastic tracks meet environmental requirements.
In addition, most of the synthetic materials for the playground floor paved in China are produced by TDI and polyether polyol, and due to the characteristics of the TDI and the polyether polyol, a certain amount (5-15%) of o-benzene plasticizer is generally added in the production process to improve the performance so as to meet the performance requirement on the playground floor material. Due to the high volatility and high harmfulness of TDI, the TDI is harmful to human bodies and the environment; meanwhile, the o-benzene plasticizer causes certain harm to human bodies and the environment.
Disclosure of Invention
The invention aims to provide a synthetic surface layer material for a sports ground, which is based on MDI (diphenylmethane diisocyanate) and does not add a plasticizer, has the performance completely meeting the requirement, is nontoxic and tasteless, and meets the requirement of environmental protection.
The above object of the present invention is achieved by the following technical solutions: a synthetic surface layer material for a sports ground comprises the following raw materials in parts by weight:
the component A comprises: 80-120 parts of vegetable oil polyalcohol (molecular weight 2000)
65-75 parts of MDI
And B component: 25-35 parts of vegetable oil polyalcohol (molecular weight 2000)
30-40 parts of vegetable oil polyalcohol (molecular weight 4000)
1-3 parts of MBDA (4, 4-di-sec-butylamino-diphenylmethane)
The weight ratio of the component A to the component B is 1:2 to 4
30-45 parts of filler
3-6 parts of pigment
0.5-1 part of antioxidant
0.5-1 part of anti-ultraviolet absorbent
0.1-0.5 part of catalyst.
By adopting the technical scheme, the vegetable oil polyalcohol can directly react with isocyanate to form a raw material of a polyurethane material, and the vegetable oil-based polyurethane material not only has mechanical properties comparable to those of a material synthesized by corresponding petrochemical polyalcohol, but also has good thermal decomposition resistance and thermal oxidation resistance; MDI is a low-toxicity and low-volatility material, and the indexes of tensile strength, tearing strength and the like of the stadium pavement material prepared from the MDI type prepolymer are greatly higher than those of a plastic track product prepared from the TDI type prepolymer. If MDI is directly used for replacing TDI in the traditional formula, the material is brittle, more plasticizer is needed to be adopted to improve the shaping of the material, and the performance requirement can be met; the invention uses MBDA to replace MOCA which is commonly used in the market as a chain extender. MOCA has carcinogenic risk, the Ames experiment of MBDA is negative, the safety and environmental protection performance of the material are obviously improved, the adhesion and the fluidity with a base layer can be improved, and the impact resistance and the low-temperature performance of the material are obviously improved. The surface layer material is more environment-friendly and does not bring harm to health after being replaced by MBDA; and meanwhile, MBDA can react with the prepolymer, so that the hardness and strength of the surface layer material are improved. Therefore, the surface layer material prepared from the MDI type prepolymer and the vegetable oil polyalcohol has comprehensive performance superior to that of a plastic track product prepared from the TDI type prepolymer, meets the performance indexes and requirements of the plastic track, is superior to a TDI system in the aspect of environmental protection, is nontoxic and tasteless, and meets the requirement of environmental protection.
Preferably, the vegetable oil polyol of the A component is one or more of soybean oil polyol, castor oil polyol, palm oil polyol, coconut oil polyol and canola oil polyol.
By adopting the technical scheme, the types are common types of vegetable oil polyols, and the vegetable oil polyols are wide in source and low in cost.
Preferably, the vegetable oil polyol of the B component is one or more of soybean oil polyol, castor oil polyol, palm oil polyol, coconut oil polyol and canola oil polyol.
By adopting the technical scheme, the types are common types of vegetable oil polyols, and the vegetable oil polyols are wide in source and low in cost.
Preferably, the filler is one or more of 300-500 mesh quartz powder, 300-500 mesh titanium dioxide, 300-500 mesh calcium carbonate, 300-500 mesh magnesium carbonate and 300-500 mesh talcum powder.
By adopting the technical scheme, the filler is an additive with a large using amount, and the filler has a large specific surface area, so that the liquid can have good uniform distribution on the surface of the filler, and after the filler is added, the shrinkage can be reduced, the elastic modulus and the impact strength can be improved, the hardness can be increased, the wear resistance can be improved, the mechanical property of the material can be improved, and the cost can be reduced.
Preferably, the pigment is a combination of an inorganic dye and an organic dye, the inorganic dye is selected from iron oxide red, iron oxide green, titanium dioxide and iron oxide yellow, and the organic dye comprises permanent orange, permanent red, permanent yellow and phthalocyanine green.
By adopting the technical scheme, the pigment and the common color are common pigment and common color, and the selection of the pigment is determined according to specific use requirements.
Preferably, the antioxidant is one or more of antioxidant 264, antioxidant 1010 and antioxidant 4010 NA.
By adopting the technical scheme, the above types are all common antioxidants, and the dosage is small and the cost is low.
Preferably, the ultraviolet resistant absorbent is one or more of ultraviolet resistant agent UV-81, ultraviolet resistant agent UV-9 and ultraviolet resistant agent UV-P.
By adopting the technical scheme, the ultraviolet-resistant light-absorbing agent is a common ultraviolet-resistant absorbent, and is low in required dosage and low in cost.
Preferably, the catalyst is one or more of rare earth naphthenate, rare earth isooctanoate, rare earth fatty acid and bismuth isooctanoate.
By adopting the technical scheme, the rare earth element and the oxide thereof have high catalytic activity, not only have catalytic activity, but also can be used as an additive or a cocatalyst to improve the catalytic performance of the catalyst, especially the anti-aging capability and the anti-poisoning capability. The catalyst is an environment-friendly raw material, and the environmental protection performance of the material is improved.
Another object of the present invention is to provide a method for preparing a synthetic surface layer material for a sports field according to any of the above aspects.
The above object of the present invention is achieved by the following technical solutions: the method comprises the following steps:
a. adding metered MDI and vegetable oil polyalcohol with the molecular weight of 2000 into a reaction kettle, heating to 70-75 ℃, and stirring for reaction for 2-3 hours to obtain a component A;
b. adding the metered vegetable oil polyol with the molecular weight of 2000, the vegetable oil polyol with the molecular weight of 4000, a filler, a pigment, an antioxidant, an ultraviolet-resistant absorbent, a catalyst and MBDA into a reaction kettle, stirring, mixing, grinding for 1-2 h, heating to 110-120 ℃, and dehydrating for 1-1.5 h under vacuum to obtain a component B;
c. and (3) storing the component A and the component B separately, mixing the component A and the component B in a ratio of 1: 2-4 on site when the sports ground floor material is used, and paving to form the sports ground floor material.
In conclusion, the synthetic surface layer material for the sports ground has the following advantages:
1. the anti-skid and elastic pad has good anti-skid and damping performance, can reduce the injury of athletes, improve the comfort level and reduce the fatigue degree;
2. the coating has the advantages of super wear resistance, oil resistance, aging resistance, easy cleaning and maintenance, excellent bonding performance and long service life;
3. the surface is flat, the color is beautiful, the paint is non-toxic and tasteless, the environment is protected, and the paint does not cause harm to the health of human bodies.
Drawings
FIG. 1 is a flow chart of a process for producing a synthetic surface material for a sports field.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1, a preparation method of a synthetic surface layer material for a sports ground is prepared according to the following mass ratio:
the component A comprises: soybean oil polyalcohol (molecular weight 2000)80kg
MDI 65kg
And adding the metered component A into a reaction kettle, heating to 70 ℃, and stirring for reaction for 2 hours to obtain the component A.
And B component: castor oil polyol (molecular weight 2000)25 kg
30kg of castor oil polyalcohol (molecular weight 4000)
MBDA 1kg
30kg of 400-mesh talcum powder
Iron oxide Red 5kg
2640.5 kg of antioxidant
UV-810.5 kg of ultraviolet-resistant absorbent
Naphthenic acid rare earth 0.1kg
0.1kg of bismuth isooctanoate catalyst.
And adding the metered component B into a reaction kettle, stirring, mixing, grinding for 2 hours, heating to 110 ℃, and dehydrating for 1.5 hours under vacuum to obtain the component B.
When in use, the component A and the component B are mixed on site according to the proportion of 1:4, and are paved to form a sports ground floor material with the thickness of 10 mm.
Example 2
The component A comprises: 90kg of soybean oil polyol (molecular weight 2000)
MDI 67kg
And B component: castor oil polyol (molecular weight 2000) 27kg
Castor oil polyol (molecular weight 4000) 32kg
MBDA 1kg
33kg of 400-mesh talcum powder
Iron oxide Red 6kg
2640.6 kg of antioxidant
UV-810.6 kg of ultraviolet-resistant absorbent
Naphthenic acid rare earth 0.2kg
0.1kg of bismuth isooctanoate catalyst.
Example 3
The component A comprises: soybean oil polyalcohol (molecular weight 2000) 100kg
MDI 69kg
And B component: castor oil polyol (molecular weight 2000) 29kg
Castor oil polyol (molecular weight 4000) 34kg
MBDA 2kg
36kg of 400-mesh talcum powder
Iron oxide Red 6kg
2640.7 kg of antioxidant
UV-810.7 kg of ultraviolet-resistant absorbent
Naphthenic acid rare earth 0.1kg
0.2kg of bismuth isooctanoate catalyst.
Example 4
The component A comprises: soybean oil polyalcohol (molecular weight 2000)110kg
MDI 71kg
And B component: castor oil polyol (molecular weight 2000) 31kg
Castor oil polyol (molecular weight 4000) 36kg
MBDA 2kg
39kg of 400-mesh talcum powder
Iron oxide Red 7kg
2640.8 kg of antioxidant
UV-810.8 kg of ultraviolet-resistant absorbent
Naphthenic acid rare earth 0.2kg
0.2kg of bismuth isooctanoate catalyst.
Example 5
The component A comprises: soybean oil polyol (molecular weight 2000) 115kg
MDI 73kg
And B component: castor oil polyol (molecular weight 2000) 33kg
Castor oil polyol (molecular weight 4000) 38kg
MBDA 3kg
42kg of 400-mesh talcum powder
Iron oxide Red 8kg
2640.9 kg of antioxidant
UV-810.9 kg of ultraviolet-resistant absorbent
Naphthenic acid rare earth 0.3kg
0.2kg of bismuth isooctanoate catalyst.
Example 6
The component A comprises: 120kg of soybean oil polyol (molecular weight 2000)
MDI 75kg
And B component: 35kg of castor oil polyol (molecular weight 2000)
40kg of castor oil polyalcohol (molecular weight 4000)
MBDA 3kg
45kg of 400-mesh talcum powder
Iron oxide Red 8kg
2641 kg of antioxidant
UV-811 kg of anti-ultraviolet absorber
Naphthenic acid rare earth 0.2kg
0.3kg of bismuth isooctanoate catalyst.
Comparative example: the paving thickness of the plastic runway paving material of the Guangzhou Shengbangkong ground material limited company is also 10 mm.
TABLE 1 Performance parameters of the examples and comparative examples
The national standard in Table 1 is synthetic material runway surface layer GB/T14833-2011. As can be seen from Table 1, the synthetic surface layer material for sports fields prepared by the invention has better performance than the surface layer material for common court sold in the market in terms of impact absorption, tensile strength, elongation at break, skid resistance and vertical deformation, and the fire resistance can meet the national standard requirement. In addition, the prepared sports ground synthetic surface layer material uses MDI type prepolymer and vegetable oil polyalcohol to replace TDI type prepolymer and polyether polyalcohol, does not need to add plasticizer, has better comprehensive performance and more environment-friendly raw materials, and meets the requirements of social and economic development.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (8)
1. A synthetic surface layer material for a sports ground comprises the following raw materials in parts by weight:
the component A comprises: 80-120 parts of vegetable oil polyalcohol (molecular weight 2000)
65-75 parts of MDI
And B component: 25-35 parts of vegetable oil polyalcohol (molecular weight 2000)
30-40 parts of vegetable oil polyalcohol (molecular weight 4000)
1-3 parts of MBDA (4, 4-di-sec-butylamino-diphenylmethane)
30-45 parts of filler
3-6 parts of pigment
0.5-1 part of antioxidant
0.5-1 part of anti-ultraviolet absorbent
0.1-0.5 part of catalyst;
the vegetable oil polyol of the component A is one or more of soybean oil polyol, castor oil polyol, palm oil polyol, coconut oil polyol and canola oil polyol;
the vegetable oil polyol of the component B is one or more of soybean oil polyol, castor oil polyol, palm oil polyol, coconut oil polyol and canola oil polyol.
2. A sports field composite surface layer material as claimed in claim 1, wherein: the vegetable oil polyol of the component A is soybean oil polyol (molecular weight 2000), and the vegetable oil polyol of the component B is castor oil polyol (molecular weight 2000) and castor oil polyol (molecular weight 4000).
3. A sports field composite surface layer material as claimed in claim 1, wherein: the filler is one or more of 300-500 mesh quartz powder, 300-500 mesh titanium dioxide, 300-500 mesh calcium carbonate, 300-500 mesh magnesium carbonate and 300-500 mesh talcum powder.
4. A sports field composite surface layer material as claimed in claim 1, wherein: the pigment is a combination of inorganic dye and organic dye, the inorganic dye is selected from iron oxide red, iron oxide green, titanium dioxide and iron oxide yellow, and the organic dye comprises permanent orange, permanent red, permanent yellow and phthalocyanine green.
5. A sports field composite surface layer material as claimed in claim 1, wherein: the antioxidant is one or more of antioxidant 264, antioxidant 1010 and antioxidant 4010 NA.
6. A sports field composite surface layer material as claimed in claim 1, wherein: the ultraviolet resistant absorbent is one or more of ultraviolet resistant agent UV-81, ultraviolet resistant agent UV-9 and ultraviolet resistant agent UV-P.
7. A sports field composite surface layer material as claimed in claim 1, wherein: the catalyst is one or more of rare earth naphthenate, rare earth isooctanoate, rare earth fatty acid and bismuth isooctanoate.
8. A method of making a sports field synthetic surface material for use in making a sports field synthetic surface material according to any one of claims 1 to 7, comprising the steps of:
a. adding metered MDI and vegetable oil polyalcohol with the molecular weight of 2000 into a reaction kettle, heating to 70-75 ℃, and stirring for reaction for 2-3 hours to obtain a component A;
b. adding the metered vegetable oil polyol with the molecular weight of 2000, the vegetable oil polyol with the molecular weight of 4000, a filler, a pigment, an antioxidant, an ultraviolet-resistant absorbent, a catalyst and MBDA into a reaction kettle, stirring, mixing, grinding for 1-2 h, heating to 110-120 ℃, and dehydrating for 1-1.5 h under vacuum to obtain a component B;
c. and (3) storing the component A and the component B separately, mixing the component A and the component B in a ratio of 1: 2-4 on site when the sports ground floor material is used, and paving to form the sports ground floor material.
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| CN107955125A (en) * | 2017-11-30 | 2018-04-24 | 太仓冠联高分子材料有限公司 | A kind of Environment-friendlywear-resistant wear-resistant plastic cement race track material |
| CN109265638A (en) * | 2018-09-07 | 2019-01-25 | 江苏叙然信息科技有限公司 | A kind of environment-friendly type athletic ground surface material and application method |
| CN109679487A (en) * | 2018-12-28 | 2019-04-26 | 青岛格林沃德新材料科技有限公司 | A kind of plant oil modified polyurethane elastic terrace material and preparation method thereof |
| CN114085350A (en) * | 2021-12-16 | 2022-02-25 | 广东爱上体育产业股份有限公司 | Playground terrace material prepared based on bio-based polymer polyol and preparation method thereof |
| CN114854301B (en) * | 2022-03-25 | 2023-04-28 | 广东川奥高新科技有限公司 | Solvent-free polyurethane three-dimensional line pattern modeling runway surface layer and preparation method thereof |
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