CN111072895A - High-elasticity plastic track and preparation method thereof - Google Patents
High-elasticity plastic track and preparation method thereof Download PDFInfo
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- CN111072895A CN111072895A CN201911298528.0A CN201911298528A CN111072895A CN 111072895 A CN111072895 A CN 111072895A CN 201911298528 A CN201911298528 A CN 201911298528A CN 111072895 A CN111072895 A CN 111072895A
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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
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
- C08J9/105—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof containing sulfur
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/107—Nitroso compounds
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- 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
- E01C13/06—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003
- E01C13/065—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003 at least one in situ layer consisting of or including bitumen, rubber or plastics
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- C—CHEMISTRY; METALLURGY
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
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- C08J2205/00—Foams characterised by their properties
- C08J2205/04—Foams characterised by their properties characterised by the foam pores
- C08J2205/044—Micropores, i.e. average diameter being between 0,1 micrometer and 0,1 millimeter
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
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Abstract
The invention discloses a high-elasticity plastic track and a preparation method thereof in the technical field related to plastic track construction, wherein the high-elasticity plastic track comprises a sandstone bottom layer, an asphalt reinforcing layer, an elastic plastic layer and a track surface layer which are sequentially arranged from bottom to top; the elastic plastic layer comprises isocyanate, polyether glycol, epoxy fatty acid methyl ester, dioctyl terephthalate, a cross-linking agent, a coupling agent, an emulsifier, a foaming agent, a mildew preventive, a phenylenediamine anti-aging agent and an ultraviolet absorbent; the surface layer of the runway comprises isocyanate, polyether polyol, wear-resistant rubber, a cross-linking agent, a coupling agent, a mildew preventive, a phenylenediamine anti-aging agent, an ultraviolet absorbent, epoxidized soybean oil, an environment-friendly curing agent and pigment; the sand-stone bottom layer is combined with the asphalt reinforcing layer, and the foaming agent is added into the elastic plastic layer, so that the plastic track is rich in elasticity.
Description
Technical Field
The invention relates to the technical field related to plastic track construction, in particular to a high-elasticity plastic track and a preparation method thereof.
Background
The plastic track has the characteristics of good flatness, high compressive strength, proper hardness and elasticity and stable physical performance, is beneficial to the exertion of the speed and the technology of athletes, effectively improves the sports performance and reduces the tumble injury rate. However, when the sporter moves on the plastic track, a certain impact force can be applied to the plastic track, if the elasticity of the plastic track is insufficient, the sporter can be subjected to a large counter impact, and the knees of the sporter can be easily damaged; if the elasticity of the plastic track is improved by thickening the thickness of the plastic track, the plastic track is easy to be locally sunken, and the service life of the plastic track is influenced. Therefore, a highly elastic plastic track is needed to solve the problems of the prior art.
Disclosure of Invention
Aiming at the technical problems that the elasticity is not enough and the human body is easily damaged in the prior art, and the service life of the plastic track is influenced if the plastic track is too thick, the invention provides the high-elasticity plastic track and the preparation method thereof.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a high-elasticity plastic track comprises a sand-stone bottom layer, an asphalt reinforcing layer, an elastic plastic layer and a track surface layer which are arranged from bottom to top in sequence; the elastic plastic layer comprises the following components in parts by weight: 45-60 parts of isocyanate, 90-120 parts of polyether polyol, 40-50 parts of epoxy fatty acid methyl ester, 20-45 parts of dioctyl terephthalate, 5-10 parts of a crosslinking agent, 5-10 parts of a coupling agent, 10-15 parts of an emulsifier, 5-10 parts of a foaming agent, 5-10 parts of a mildew preventive, 5-10 parts of a phenylenediamine anti-aging agent and 5-10 parts of an ultraviolet absorbent; the runway surface layer comprises the following components in parts by weight: 20-30 parts of isocyanate, 40-50 parts of polyether polyol, 10-15 parts of wear-resistant rubber, 2-5 parts of a crosslinking agent, 2-5 parts of a coupling agent, 2-5 parts of a mildew preventive, 2-5 parts of a phenylenediamine anti-aging agent, 2-5 parts of an ultraviolet absorbent, 3-5 parts of epoxidized soybean oil, 0.1-0.5 part of an environment-friendly curing agent and 2-4 parts of a pigment.
Preferably, the foaming agent is one or more of azo compounds, sulfonyl hydrazine compounds and nitroso compounds.
Preferably, the emulsifier is one or more of polyoxyethylene ether, ethylene oxide and propylene oxide block copolymer and polyol fatty acid ester.
Preferably, the cross-linking agent is one or more of dicumyl peroxide, benzoyl peroxide and dicumyl hydroperoxide.
Preferably, on the basis of any one of the above-mentioned high elasticity plastic course, the grit particle size that the grit bottom layer adopted is 40 ~ 60 mm.
Preferably, the upper surface of the runway surface layer is provided with an anti-skid concave-convex structure.
A preparation method of the high-elasticity plastic track comprises the following steps:
s1) preparing an elastic plastic layer semi-finished product and a runway surface layer semi-finished product:
s11) preparing the semi-finished material of the elastic plastic layer:
s111) accurately weighing the isocyanate, the polyether polyol, the epoxy fatty acid methyl ester and the dioctyl terephthalate according to the using amount of the elastic plastic layer components to serve as first components;
accurately weighing the cross-linking agent, the coupling agent, the emulsifier, the mildew preventive, the phenylenediamine anti-aging agent and the ultraviolet absorbent according to the using amount of the elastic plastic layer component as a second component;
s112) putting the first component into a reaction kettle, stirring and heating to 130-150 ℃, reacting for 2-3 h, and evaporating water;
s113) fully mixing the second component, adding the mixture treated in the S112), and stirring at 90-120 ℃ for 2-3 h to obtain a semi-finished material of the elastic plastic layer;
s12) preparing the runway surface layer semi-finished material:
s121) accurately weighing the isocyanate, the polyether polyol and the wear-resistant rubber according to the using amount of the runway surface layer component to serve as a third component;
accurately weighing the cross-linking agent, the coupling agent, the mildew preventive, the phenylenediamine anti-aging agent, the ultraviolet absorbent and the epoxidized soybean oil according to the using amount of the runway surface component to serve as a fourth component;
accurately weighing the environment-friendly curing agent and the pigment as a fifth component;
s122) putting the third component into a reaction kettle, stirring and heating to 130-150 ℃, reacting for 2-3 h, and evaporating water;
s123) fully mixing the fourth component, adding the mixture treated in the S122), and stirring at 90-120 ℃ for 2-3 h to obtain a semi-finished material on the surface layer of the runway;
s2) laying the high-elasticity plastic track:
s21) finishing and flattening the site where the high-elasticity plastic track needs to be laid, and laying the sandstone bottom layer on the site;
s22) laying the asphalt reinforcement layer above the sand bottom layer laid in S21);
s23) heating the semi-finished material of the elastic plastic layer to a molten state, adding the foaming agent, fully mixing, and then paving the mixture above the asphalt reinforcing layer paved at S22 to form the elastic plastic layer;
s24), after the elastic plastic layer is solidified, heating the semi-finished material on the surface layer of the runway to a molten state by heating and melting, adding the fifth component, fully mixing, and then paving the mixture above the elastic plastic layer paved in the S23.
Further, the operation of S12) is completed prior to the operation of S11).
Further, the operation of S1) is completed simultaneously with the operation of S21) or is completed simultaneously with the operation of S22).
Further, after S21) the sand bottom layer is paved, spraying a layer of water-based epoxy waterproof impervious seal primer on the upper surface of the sand bottom layer, and then carrying out S22) operation.
The invention has the following advantages:
1. the combination of the gravel bottom layer and the asphalt reinforcing layer can provide an elastic bottom through the clearance of the gravel and the elasticity of the asphalt, so that the elasticity of the plastic track is improved;
2. the foaming agent is added into the elastic plastic layer to form micropore bubbles in the plastic, so that the plastic track is rich in elasticity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic view of the construction process of the present invention.
In the figure: 1-sandstone bottom layer; 2-asphalt reinforcing layer; 3-an elastic plastic layer; 4-runway surface layer.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
It should be noted that in the description of the present invention, the terms "upper", "lower", etc. indicate the orientation or positional relationship based on the description of the structure of the present invention shown in fig. 1, and are only for the convenience of describing the present invention, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the technical scheme, the terms "first" and "second" are only used for referring to the same or similar structures or corresponding structures with similar functions, and are not used for ranking the importance of the structures, or comparing the sizes or other meanings.
As shown in the schematic construction flow diagram of fig. 2, the specific embodiment of the construction process of the high-elasticity plastic track is as follows:
example 1
S1) preparing an elastic plastic layer semi-finished product and a runway surface layer semi-finished product:
s11) preparing a semi-finished material of the elastic plastic layer:
s111) accurately weighing 45 parts of isocyanate, 90 parts of polyether polyol, 40 parts of epoxy fatty acid methyl ester and 20 parts of dioctyl terephthalate as a first component according to parts by weight;
accurately weighing 5 parts of dicumyl peroxide as a cross-linking agent, 5 parts of a coupling agent, 10 parts of polyoxyethylene ether as an emulsifier, 5 parts of a mildew preventive, 5 parts of a phenylenediamine anti-aging agent and 5 parts of an ultraviolet absorbent as second components in parts by weight;
s112) putting the first component into a reaction kettle, stirring and heating to 130 ℃, reacting for 2 hours, and evaporating water;
s113) fully mixing the second component, adding the mixture treated in the S112), and stirring at 90 ℃ for 2 hours to obtain a semi-finished material of the elastic plastic layer;
s12) preparing a semi-finished material of the runway surface layer:
s121) accurately weighing 20 parts of isocyanate, 40 parts of polyether polyol and 10 parts of wear-resistant rubber as a third component according to parts by weight;
accurately weighing 2 parts of dicumyl peroxide as a cross-linking agent, 2 parts of a coupling agent, 2 parts of a mildew preventive, 2 parts of a phenylenediamine anti-aging agent, 2 parts of an ultraviolet absorbent and 3 parts of epoxidized soybean oil as a fourth component in parts by weight;
accurately weighing 0.1 part of environment-friendly curing agent and 2 parts of pigment as a fifth component;
s122) putting the third component into a reaction kettle, stirring and heating to 130 ℃, reacting for 2 hours, and evaporating water;
s123) fully mixing the fourth component, adding the mixture treated in the S122), and stirring at 90 ℃ for 2h to obtain a semi-finished material of the surface layer of the runway;
s2) laying a high-elasticity plastic track:
s21) finishing and flattening the site where the high-elasticity plastic track needs to be laid, and laying a sand bottom layer on the site by sand with the particle size of 40-60 mm;
s22) paving an asphalt reinforcing layer above the paved sand bottom layer of S21);
s23) heating the semi-finished material of the elastic plastic layer to a molten state, adding 5 parts of azo compound as a foaming agent, fully mixing, and paving the mixture above the asphalt reinforcing layer paved in the S22 manner to form the elastic plastic layer;
s24), after the elastic plastic layer is solidified, heating the semi-finished material on the surface layer of the runway to a molten state by heating and melting, adding the fifth component, fully mixing, and then laying the mixture above the elastic plastic layer laid in the S23 mode.
Example 2
S1) preparing an elastic plastic layer semi-finished product and a runway surface layer semi-finished product:
s11) preparing a semi-finished material of the elastic plastic layer:
s111) accurately weighing 50 parts of isocyanate, 100 parts of polyether polyol, 45 parts of epoxy fatty acid methyl ester and 30 parts of dioctyl terephthalate as a first component according to parts by weight;
accurately weighing 8 parts of benzoyl peroxide as a cross-linking agent, 8 parts of a coupling agent, 13 parts of ethylene oxide and propylene oxide segmented copolymer as an emulsifier, 8 parts of a mildew preventive, 8 parts of a phenylenediamine anti-aging agent and 8 parts of an ultraviolet absorbent as a second component according to parts by weight;
s112) putting the first component into a reaction kettle, stirring, heating to 140 ℃, reacting for 2.5 hours, and evaporating water;
s113) fully mixing the second component, adding the mixture treated in the S112), and stirring at 100 ℃ for 2.5 hours to obtain a semi-finished material of the elastic plastic layer;
s12) preparing a semi-finished material of the runway surface layer:
s121) accurately weighing 25 parts of isocyanate, 45 parts of polyether polyol and 13 parts of wear-resistant rubber as a third component according to parts by weight;
accurately weighing 4 parts of benzoyl peroxide as a cross-linking agent, 3 parts of a coupling agent, 3 parts of a mildew preventive, 3 parts of a phenylenediamine anti-aging agent, 3 parts of an ultraviolet absorbent and 4 parts of epoxidized soybean oil as a fourth component according to parts by weight;
accurately weighing 0.3 part of environment-friendly curing agent and 3 parts of pigment as a fifth component;
s122) putting the third component into a reaction kettle, stirring, heating to 140 ℃, reacting for 2.5 hours, and evaporating water;
s123) fully mixing the fourth component, adding the mixture treated in the S122), and stirring at 100 ℃ for 2.5 hours to obtain a semi-finished material of the surface layer of the runway;
s2) laying a high-elasticity plastic track:
s21) finishing and flattening the site where the high-elasticity plastic track needs to be laid, and laying a sand bottom layer on the site by sand with the particle size of 40-60 mm;
s22) paving an asphalt reinforcing layer above the paved sand bottom layer of S21);
s23) heating the semi-finished material of the elastic plastic layer to a molten state, adding 8 parts of sulfonyl hydrazine compound as a foaming agent, fully mixing, and then paving the mixture above the asphalt reinforcing layer paved in the S22 way to form the elastic plastic layer;
s24), after the elastic plastic layer is solidified, heating the semi-finished material of the runway surface layer to a molten state by heating and melting, adding a fifth component, fully mixing, paving the mixture above the elastic plastic layer paved in the S23, and then processing an anti-skid concave-convex structure on the upper surface of the runway surface layer 4.
Example 3
S1) preparing an elastic plastic layer semi-finished product and a runway surface layer semi-finished product:
s11) preparing a semi-finished material of the elastic plastic layer:
s111) accurately weighing 60 parts of isocyanate, 120 parts of polyether polyol, 50 parts of epoxy fatty acid methyl ester and 45 parts of dioctyl terephthalate as a first component according to parts by weight;
accurately weighing 10 parts of dicumyl peroxide as a cross-linking agent, 10 parts of a coupling agent, 15 parts of polyol fatty acid ester as an emulsifier, 10 parts of a mildew preventive, 10 parts of a phenylenediamine anti-aging agent and 10 parts of an ultraviolet absorbent as a second component according to parts by weight;
s112) putting the first component into a reaction kettle, stirring and heating to 150 ℃, reacting for 3 hours, and evaporating water;
s113) fully mixing the second component, adding the mixture treated in the S112), and stirring for 3 hours at 120 ℃ to obtain a semi-finished material of the elastic plastic layer;
s12) preparing a semi-finished material of the runway surface layer:
s121) accurately weighing 30 parts of isocyanate, 50 parts of polyether polyol and 15 parts of wear-resistant rubber as a third component according to parts by weight;
accurately weighing 5 parts of dicumyl peroxide as a cross-linking agent, 5 parts of a coupling agent, 5 parts of a mildew preventive, 5 parts of a phenylenediamine anti-aging agent, 5 parts of an ultraviolet absorbent and 5 parts of epoxidized soybean oil as a fourth component in parts by weight;
accurately weighing 0.5 part of environment-friendly curing agent and 4 parts of pigment as a fifth component;
s122) putting the third component into a reaction kettle, stirring, heating to 150 ℃, reacting for 3 hours, and evaporating water;
s123) fully mixing the fourth component, adding the mixture treated in the S122), and stirring for 3 hours at 120 ℃ to obtain a semi-finished material of the surface layer of the runway;
s2) laying a high-elasticity plastic track:
s21) finishing and flattening the site where the high-elasticity plastic track needs to be laid, and laying a sand bottom layer on the site by sand with the particle size of 40-60 mm;
s22) paving an asphalt reinforcing layer above the paved sand bottom layer of S21);
s23) heating the semi-finished material of the elastic plastic layer to a molten state, adding 10 parts of nitroso compound as a foaming agent, fully mixing, and then paving the mixture above the asphalt reinforcing layer paved in S22 to form the elastic plastic layer;
s24), after the elastic plastic layer is solidified, heating the semi-finished material of the runway surface layer to a molten state by heating and melting, adding a fifth component, fully mixing, paving the mixture above the elastic plastic layer paved in the S23, and then processing an anti-skid concave-convex structure on the upper surface of the runway surface layer 4.
With the above embodiment, as shown in fig. 1, the high-elasticity plastic track comprises a sandstone bottom layer 1, an asphalt reinforcing layer 2, an elastic plastic layer 3 and a track surface layer 4 which are arranged in sequence from bottom to top; has good elasticity.
The above is a basic model of the embodiment of the present invention, and in order to improve the technical effect, the following improvements can be made to the basic model of the embodiment, and the following improvements can be combined with each other where there is no contradiction.
In embodiments 1 to 3, the operation of S12) may be completed prior to the operation of S11).
On the foregoing basis, the operation of S1) may also be completed simultaneously with the operation of S21) or with the operation of S22).
In order to make a waterproof function, after S21) the sand bottom layer is paved, spraying a layer of water-based epoxy waterproof impervious seal primer on the upper surface of the sand bottom layer, and then carrying out S22) operation.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and these embodiments are within the scope of the invention.
Claims (10)
1. A high elasticity plastic course which characterized in that: comprises a sandstone bottom layer, an asphalt reinforcing layer, an elastic plastic layer and a runway surface layer which are arranged from bottom to top in sequence; the elastic plastic layer comprises the following components in parts by weight: 45-60 parts of isocyanate, 90-120 parts of polyether polyol, 40-50 parts of epoxy fatty acid methyl ester, 20-45 parts of dioctyl terephthalate, 5-10 parts of a crosslinking agent, 5-10 parts of a coupling agent, 10-15 parts of an emulsifier, 5-10 parts of a foaming agent, 5-10 parts of a mildew preventive, 5-10 parts of a phenylenediamine anti-aging agent and 5-10 parts of an ultraviolet absorbent; the runway surface layer comprises the following components in parts by weight: 20-30 parts of isocyanate, 40-50 parts of polyether polyol, 10-15 parts of wear-resistant rubber, 2-5 parts of a crosslinking agent, 2-5 parts of a coupling agent, 2-5 parts of a mildew preventive, 2-5 parts of a phenylenediamine anti-aging agent, 2-5 parts of an ultraviolet absorbent, 3-5 parts of epoxidized soybean oil, 0.1-0.5 part of an environment-friendly curing agent and 2-4 parts of a pigment.
2. A highly elastic plastic track according to claim 1, wherein: the foaming agent is one or more of azo compounds, sulfonyl hydrazine compounds and nitroso compounds.
3. A highly elastic plastic track according to claim 1, wherein: the emulsifier is one or more of polyoxyethylene ether, segmented copolymer of ethylene oxide and propylene oxide, and polyol fatty acid ester.
4. A highly elastic plastic track according to claim 1, wherein: the cross-linking agent is one or more of dicumyl peroxide, benzoyl peroxide and dicumyl hydroperoxide.
5. A highly elastic plastic track according to any one of claims 1 to 4, wherein: the particle size of the sandstone adopted by the sandstone bottom layer is 40-60 mm.
6. A highly elastic plastic track according to claim 5, wherein: the upper surface on runway top layer is provided with anti-skidding concave-convex structure.
7. A method for preparing a high elasticity plastic track according to any one of claims 1 to 6, wherein: the method comprises the following steps:
s1) preparing an elastic plastic layer semi-finished product and a runway surface layer semi-finished product:
s11) preparing the semi-finished material of the elastic plastic layer:
s111) accurately weighing the isocyanate, the polyether polyol, the epoxy fatty acid methyl ester and the dioctyl terephthalate according to the using amount of the elastic plastic layer components to serve as first components;
accurately weighing the cross-linking agent, the coupling agent, the emulsifier, the mildew preventive, the phenylenediamine anti-aging agent and the ultraviolet absorbent according to the using amount of the elastic plastic layer component as a second component;
s112) putting the first component into a reaction kettle, stirring and heating to 130-150 ℃, reacting for 2-3 h, and evaporating water;
s113) fully mixing the second component, adding the mixture treated in the S112), and stirring at 90-120 ℃ for 2-3 h to obtain a semi-finished material of the elastic plastic layer;
s12) preparing the runway surface layer semi-finished material:
s121) accurately weighing the isocyanate, the polyether polyol and the wear-resistant rubber according to the using amount of the runway surface layer component to serve as a third component;
accurately weighing the cross-linking agent, the coupling agent, the mildew preventive, the phenylenediamine anti-aging agent, the ultraviolet absorbent and the epoxidized soybean oil according to the using amount of the runway surface component to serve as a fourth component;
accurately weighing the environment-friendly curing agent and the pigment as a fifth component;
s122) putting the third component into a reaction kettle, stirring and heating to 130-150 ℃, reacting for 2-3 h, and evaporating water;
s123) fully mixing the fourth component, adding the mixture treated in the S122), and stirring at 90-120 ℃ for 2-3 h to obtain a semi-finished material on the surface layer of the runway;
s2) laying the high-elasticity plastic track:
s21) finishing and flattening the site where the high-elasticity plastic track needs to be laid, and laying the sandstone bottom layer on the site;
s22) laying the asphalt reinforcement layer above the sand bottom layer laid in S21);
s23) heating the semi-finished material of the elastic plastic layer to a molten state, adding the foaming agent, fully mixing, and then paving the mixture above the asphalt reinforcing layer paved at S22 to form the elastic plastic layer;
s24), after the elastic plastic layer is solidified, heating the semi-finished material on the surface layer of the runway to a molten state by heating and melting, adding the fifth component, fully mixing, and then paving the mixture above the elastic plastic layer paved in the S23.
8. The method for preparing a high elasticity plastic track according to claim 7, wherein: operation S12) is completed before operation S11).
9. The method for preparing a highly elastic plastic track according to claim 7 or 8, wherein: the operation of S1) is completed simultaneously with the operation of S21) or is completed simultaneously with the operation of S22).
10. The method for preparing a highly elastic plastic track according to claim 9, wherein: and S21), after the sand bottom layer is paved, spraying a layer of water-based epoxy waterproof impervious seal primer on the upper surface of the sand bottom layer, and then carrying out S22).
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Application publication date: 20200428 |