CN108978401A - Mixed type primer ties line plastic cement race track and its construction method certainly - Google Patents
Mixed type primer ties line plastic cement race track and its construction method certainly Download PDFInfo
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- CN108978401A CN108978401A CN201810981910.0A CN201810981910A CN108978401A CN 108978401 A CN108978401 A CN 108978401A CN 201810981910 A CN201810981910 A CN 201810981910A CN 108978401 A CN108978401 A CN 108978401A
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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
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Abstract
The invention discloses a kind of mixed type primers from knot line plastic cement race track, including bottom and surface layer, and bottom is laid with after being mixed by ETPU, polyurethane glue and EPDM particle according to 25~30:3.5 of mass ratio~4.0:1, with a thickness of 8~10mm；Surface layer is sprayed after being mixed by the face PU glue with quartz sand 1:0.3~0.6:0.1~0.3 in mass ratio of red rubber powder, 70-100 mesh and is laid with, with a thickness of 3.0~6.0mm.Its construction method is also disclosed, comprising steps of 1) handle plainly；2) shop fixtures layer: taking ETPU, polyurethane glue, EPDM particle to pave after being mixed, with a thickness of 8~10mm, solidification；3) paving layer: the face PU glue is mixed with red rubber powder, quartz sand and is stirred well, with a thickness of 3.0~6.0mm.
Description
Technical field
The invention belongs to sports ground terrace technical fields, and in particular to a kind of mixed type primer from knot line plastic cement race track and its
Construction method.
Background technique
With economic sustained and rapid development, living standards of the people are continuously improved, and reconstruct sports Ground with plastic cement
Layer is more prevalent.Polyurethane plastic place is mainly by base polyurethane prepolymer for use as, admixtured polyether, scrap tire rubber, EPDM (three at present
First EP rubbers) composition such as rubber granule or PU (polyurethane material) particle, pigment, auxiliary agent, filler, raw material mainly divides
For methyl diphenylene diisocyanate (MDI) type and two kinds of type of toluene di-isocyanate(TDI) (TDI).And ETPU particle (thermoplastic poly
Urethane is commonly called as puffed rice) material has the advantages that light, soft and elasticity is good, and at subzero 40 degrees Celsius to 70 degrees Celsius
The superperformance of itself can be kept in range, not only as the ideal material of the midsoles such as sport footwear, playshoes or pump
Material, the even more ideal material as excellent athletic ground.
Plastic cement is researched and developed from knot line non-granule plastic rubber runway cover system using special formulation, and surface layer is self-assembling formation after spraying
Without the anti-skidding layer surface of particle, have it is bright-colored, it is ageing-resistant, it is wear-resistant, it is anti-skidding the features such as." from knot line " technique is extraordinary poly-
Urethane uncompounded cement, the polyurethane copolymer formed by chemical reaction automatically generate concave-convex uniform texture under table knot state,
Reach certain coefficient of friction, satisfaction prevents the indexs such as wet and slippery.
Mixed type runway is many kinds of on the market, and wherein plastic cement is from knot line runway in terms of track performance and follow-up maintenance
Higher than similar product, but plastic cement ties line runway bottom construction, operational procedure mistake higher for base substrate and environmental requirement certainly
More, technique requirement is high, and required time is longer, and the existing elasticity from knot line athletic ground is inadequate, is not well positioned to meet
The demand of people.
Summary of the invention
The purpose of the present invention is provide regarding to the issue above a kind of novel environment friendly foamed material ETPU as bottom, from knot line
Mixed type primer as surface layer ties line plastic cement race track and its construction method certainly.
Realizing the technical solution of the purpose is:
A kind of mixed type primer knot line plastic cement race track, including bottom and surface layer certainly, the bottom is by ETPU, polyurethane glue
And EPDM particle is according to mass ratio EPDM: glue: being laid with after ETPU25~30:3.5~4.0:1 mixing, the thickness of bottom
For 8~10mm；The surface layer is by the face PU glue and red rubber powder, the quartz sand face the PU glue in mass ratio of 70-100 mesh: red rubber powder: quartz
Sand 1:0.3~0.6:0.1~0.3 is sprayed and is laid with after mixing, surface layer with a thickness of 3.0~6.0mm.
A kind of mixed type primer ties the construction method of line plastic cement race track certainly, includes the following steps:
1) handle plainly: cleaning cleans place, and level up the ground recess；
2) shop fixtures layer: ETPU, polyurethane glue, EPDM particle are taken, is in mass ratio EPDM: polyurethane glue: ETPU=
25~30:3.5~4.0:1 paves after mixing, and laying depth is 8~10mm, solidification maintenance 12~24 hours；
3) paving layer: by the face PU glue and red rubber powder, the quartz sand face the PU glue in mass ratio of 70-100 mesh: red rubber powder: quartz
The mixing of sand 1:0.3~0.6:0.1~0.3 stirs well, and laying depth is 3.0~6.0mm.
In the step 3) laying method of surface layer be specially the face PU glue is mixed with red rubber powder, quartz sand stir evenly after carry out
Spraying, spray angle are 55~60 degree of angles, are carried out at same direction, and after solidification, opposite direction sprays one layer again, every layer with a thickness of
1.5~3mm, overall thickness are 3.0~6.0mm.
The method handled plainly in the step 1) is that cleaning cleans place, is greater than 3mm, less than 5mm's to depth of accumulated water
Place EPDM particle, 40-70 mesh quartz sand and polyurethane glue 1:1:0.04 in mass ratio, then plus diluent stirs in right amount
It is even and be adjusted to be suitble to construction consistency, with ruler or scraper plate painting scrape levelling water accumulation part；If depth of accumulated water is more than the place of 5mm, use
EPDM particle adds 40-70 mesh in water accumulation part, then with waterproof primary coat together with polyurethane glue in mass ratio 1:0.04 mixing scumbling
Quartz sand presses waterproof primary coat: 40-70 mesh quartz sand mass ratio 1:6 uniform mixing, smooth to pave in water accumulation part and be compacted, and fills and leads up field
At sunken inside.
The glue of PU face described in step 3) is the mixed type runway polyethers mill base glue comprising bicomponent material.
The mixed type runway polyethers mill base glue includes first component and second component, and the first group is divided into containing polyisocyanic acid
The prepolymer of ester group, the second group are divided into the polyether polyol of hydroxyl and the combination material of auxiliary material.
Beneficial effects of the present invention: using unique antiultraviolet and anti-aging auxiliary agent, and product is made to have the anti-old of brilliance
Change, uvioresistant discoloration performance, it is bright-colored permanent not move back；Using polyurethane cover formula relatively more resistant to abrasive wear, replace EPDM
Grain is used as skid resistant surface, and formula addition special addition agent and Buddha's warrior attendant sand powder are sprayed, and surface layer is made to form a kind of more anti-skid wearable
Male and fomale(M&F), not only remained traditional feature such as polyurethane runway material weathering, ageing-resistant, but also to overcome conventional polyester runway easily de-
The problem of grain.The raw material ETPU preparation method used is simple, and for production process without any environmental pollution, product is non-hazardous.Sports ground
Ground is permanently deformed, and long-time service will not deform, will not because of track and field equipment weight and can not restore elasticity.Density, size
Shape, hardness, elasticity is adjustable, can adjust the elasticity and bounce of appropriateness, can reduce the consumption of physical strength, and appropriateness absorbs foot impacts
Power, reduces sport injury, and long-term practice and match are suitable for.Height lower temperature resistance still keeps appropriate elasticity at -25 DEG C.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of plastic cement race track of the present invention, in figure, 1 bottom, 2 surface layers, 3ETPU, 4 polyurethane glues,
5EPDM particle.
Specific embodiment
Below with reference to embodiment, the invention will be further described, but not thereby limiting the invention.
Mixed type primer operates in accordance with the following steps from the construction method for tying line plastic cement race track:
1) handle plainly: cleaning cleans place, and whole audience test site of sprinkling water is smooth, will that the ground caved in is super after examination water one hour
It crosses at 3mm and is marked with marking pen, 3mm, the EPDM particle of the place less than 5mm, 40-70 mesh quartz sand are greater than to depth of accumulated water
With polyurethane glue 1:1:0.04~0.06 in mass ratio, then plus in right amount diluent stir evenly and be adjusted to be suitble to construction it is thick
Degree scrapes levelling water accumulation part with ruler or scraper plate painting.If depth of accumulated water is more than the place of 5mm, using EPDM particle and polyurethane adhesive
Water 1:0.04 in mass ratio~0.06 mixes scumbling and presses together in water accumulation part, then with waterproof primary coat (WD) plus 40-70 mesh quartz sand
Waterproof primary coat: the 40-70 mesh quartz sand mass ratio uniform mixing of 1:6~8, it is smooth to pave in water accumulation part and be compacted, fill and lead up an indent
Place is fallen into, seeping phenomenon is reduced.
2) shop fixtures layer: bottom is laid with thermoplastic polyurethane's elastomer (TPU) that main material is the synthesis of MDI system, is faced by super
The microporous foam particle (ETPU) that boundary's fluid fretting map technology issues, the density of ETPU are 0.18-0.30g/cm3Controllably, size
Reconfigurable, hardness are that shore C35-60 degree is controllable, and rebound degree 20-60%, 50 degree of compression sets are less than 30%.Bottom
It is laid with and high-strength environment-friendly polyurethane glue and EPDM particle is mixed using high resiliency ETPU, mass ratio EPDM: polyurethane glue:
ETPU=25~30:3.5~4.0:1 is stirred evenly and is poured into paver, and laying depth is 8~10mm, and solidification maintenance 12~24 is small
When.
3) paving layer: the main material of surface material is the face the PU glue for being laid with athletic ground, by the face PU glue and red rubber powder, 70-
The quartz sand of the 100 mesh face PU glue in mass ratio: red rubber powder: quartz sand 1:0.3~0.6:0.1~0.3 is mixed, and then uses blender
It stirs evenly, mixing time must not be lower than 5 minutes, when temperature is lower, can add appropriate drier according to pilot run, match
The sticky sense of material can be adjusted according to construction effect by rubber powder amount and diluent.It is sprayed, is regulated after mixing evenly
Machine load, while keeping dosage synchronous with spraying operation amount, with with spray, guarantee the continuity of construction；When spraying
Spray area is calculated according to machine load, it is ensured that coating thickness reaches prescribed requirement, the spraying in entire place, spray angle
About 55-60 degree angle need to carry out at same direction, and after solidification, opposite direction sprays one layer again ensures that place quality reaches regulation
It is required that every layer of thickness is equivalent to and has sprayed in total two layers in 1.5~3mm.
Plastic cement race track athletic ground as shown in Figure 1 is obtained after above method construction: being mainly made of bottom and surface layer, bottom
Layer is by ETPU, polyurethane glue and EPDM particle according to mass ratio EPDM particle: polyurethane glue: 25~30:3.5 of ETPU~
4.0:1 mixing after be laid with, bottom with a thickness of 8~10mm；Surface layer is by the face PU glue and red rubber powder, the quartz sand of 70-100 mesh
The face PU glue in mass ratio: red rubber powder: quartz sand 1:0.3~0.6:0.1~0.3 is sprayed after mixing and is formed twice, and spraying is thick every time
Degree is 1.5~3mm, is sprayed twice contrary.
Embodiment 1
Mixed type primer operates in accordance with the following steps from the construction method for tying line plastic cement race track:
1) handle plainly: cleaning cleans place, and whole audience test site of sprinkling water is smooth, will that the ground caved in is super after examination water one hour
It crosses at 3mm and is marked with marking pen, 3mm, the EPDM particle of the place less than 5mm, 40-70 mesh quartz sand are greater than to depth of accumulated water
With polyurethane glue 1:1:0.04 in mass ratio, then plus diluent is stirred evenly and is adjusted to and is suitble to construction consistency in right amount, with straight
Levelling water accumulation part is scraped in ruler or scraper plate painting.If depth of accumulated water is more than the place of 5mm, quality is pressed using EPDM particle and polyurethane glue
Than 1:0.04 mixing scumbling together in water accumulation part, then with waterproof primary coat (WD) plus 40-70 mesh quartz sand by waterproof primary coat: 40-70
Mesh quartz sand mass ratio 1:6 uniform mixing, it is smooth to pave in water accumulation part and be compacted, it fills and leads up at a sunken inside, reduces seeping phenomenon.
2) shop fixtures layer: high-strength environment-friendly polyurethane glue and EPDM particle are mixed using high resiliency ETPU, mass ratio EPDM:
Polyurethane glue: ETPU=25:3.5:1 is stirred evenly and is poured into paver, laying depth 8mm, solidification maintenance 12 hours.
3) paving layer: the main material of surface material is the face the PU glue for being laid with athletic ground, by the face PU glue and red rubber powder, 70-
The quartz sand of the 100 mesh face PU glue in mass ratio: red rubber powder: then quartz sand 1:0.3:0.2 mixing is stirred evenly with blender,
Mixing time must not be lower than 5 minutes, when temperature is lower, can add appropriate drier according to pilot run, ingredient it is sticky
Sense can be adjusted according to construction effect by rubber powder amount and diluent.It is sprayed after mixing evenly, regulates machine discharging
Amount, while keeping dosage synchronous with spraying operation amount, with with spray, guarantee the continuity of construction；According to machine when spraying
Load calculates spray area, it is ensured that coating thickness reaches prescribed requirement, the spraying in entire place, and spray angle is about
55-60 degree angle need to carry out at same direction, and after solidification, opposite direction sprays one layer again ensures that place quality reaches prescribed requirement, often
The thickness of layer is equivalent to and has sprayed in total two layers in 3.0mm.
The face the PU glue of the present embodiment selects the (production of Shuan Qing polyurethane material factory of Hunan Province of mixed type runway polyethers mill base glue
Product), it includes first component and second component which, which is two-component materials, and first group is divided into cyanogen containing polyisocyanate
The prepolymer of perester radical, second group are divided into the polyether polyol of hydroxyl and the combination material of other auxiliary materials.When in use by first
It is used after component and second component 1:4 in mass ratio mixing.
The plastic cement race track athletic ground performance indicator testing result completed of constructing is as shown in table 1:
Properties of product testing result made from 1 embodiment 1 of table
Embodiment 2
Mixed type primer operates in accordance with the following steps from the construction method for tying line plastic cement race track:
1) handle plainly: cleaning cleans place, and whole audience test site of sprinkling water is smooth, will that the ground caved in is super after examination water one hour
It crosses at 3mm and is marked with marking pen, 3mm, the EPDM particle of the place less than 5mm, 40-70 mesh quartz sand are greater than to depth of accumulated water
With polyurethane glue 1:1:0.06 in mass ratio, then plus diluent is stirred evenly and is adjusted to and is suitble to construction consistency in right amount, with straight
Levelling water accumulation part is scraped in ruler or scraper plate painting.If depth of accumulated water is more than the place of 5mm, quality is pressed using EPDM particle and polyurethane glue
Than 1:0.06 mixing scumbling together in water accumulation part, then with waterproof primary coat (WD) plus 40-70 mesh quartz sand by waterproof primary coat: 40-70
Mesh quartz sand mass ratio 1:8 uniform mixing, it is smooth to pave in water accumulation part and be compacted, it fills and leads up at a sunken inside, reduces seeping phenomenon.
2) shop fixtures layer: high-strength environment-friendly polyurethane glue and EPDM particle are mixed using high resiliency ETPU, mass ratio EPDM:
Polyurethane glue: ETPU=28:4.0:1 is stirred evenly and is poured into paver, laying depth 10mm, solidification maintenance 24 hours.
3) paving layer: the main material of surface material is the face the PU glue for being laid with athletic ground, by the face PU glue and red rubber powder, 70-
The quartz sand of the 100 mesh face PU glue in mass ratio: red rubber powder: then quartz sand 1:0.4:0.1 mixing is stirred evenly with blender,
Mixing time must not be lower than 5 minutes, when temperature is lower, can add appropriate drier according to pilot run, ingredient it is sticky
Sense can be adjusted according to construction effect by rubber powder amount and diluent.It is sprayed after mixing evenly, regulates machine discharging
Amount, while keeping dosage synchronous with spraying operation amount, with with spray, guarantee the continuity of construction；According to machine when spraying
Load calculates spray area, it is ensured that coating thickness reaches prescribed requirement, the spraying in entire place, and spray angle is about
55-60 degree angle need to carry out at same direction, and after solidification, opposite direction sprays one layer again ensures that place quality reaches prescribed requirement, often
The thickness of layer is equivalent to and has sprayed in total two layers in 2.0mm.The face the PU glue of the present embodiment selects mixed type runway polyethers mill base glue
(product of Shuan Qing polyurethane material factory of Hunan Province)
The plastic cement race track athletic ground performance indicator testing result completed of constructing is as shown in table 2:
Properties of product testing result made from 2 embodiment 2 of table
Embodiment 3
Mixed type primer operates in accordance with the following steps from the construction method for tying line plastic cement race track:
1) handle plainly: cleaning cleans place, and whole audience test site of sprinkling water is smooth, will that the ground caved in is super after examination water one hour
It crosses at 3mm and is marked with marking pen, 3mm, the EPDM particle of the place less than 5mm, 40-70 mesh quartz sand are greater than to depth of accumulated water
With polyurethane glue 1:1:0.05 in mass ratio, then plus diluent is stirred evenly and is adjusted to and is suitble to construction consistency in right amount, with straight
Levelling water accumulation part is scraped in ruler or scraper plate painting.If depth of accumulated water is more than the place of 5mm, quality is pressed using EPDM particle and polyurethane glue
Than 1:0.05 mixing scumbling together in water accumulation part, then with waterproof primary coat (WD) plus 40-70 mesh quartz sand by waterproof primary coat: 40-70
Mesh quartz sand mass ratio 1:7 uniform mixing, it is smooth to pave in water accumulation part and be compacted, it fills and leads up at a sunken inside, reduces seeping phenomenon.
2) shop fixtures layer: high-strength environment-friendly polyurethane glue and EPDM particle are mixed using high resiliency ETPU, mass ratio EPDM:
Polyurethane glue: ETPU=30:3.8:1 is stirred evenly and is poured into paver, laying depth 9mm, solidification maintenance 20 hours.
3) paving layer: the main material of surface material is the face the PU glue for being laid with athletic ground, by the face PU glue and red rubber powder, 70-
The quartz sand of the 100 mesh face PU glue in mass ratio: red rubber powder: then quartz sand 1:0.6:0.3 mixing is stirred evenly with blender,
Mixing time must not be lower than 5 minutes, when temperature is lower, can add appropriate drier according to pilot run, ingredient it is sticky
Sense can be adjusted according to construction effect by rubber powder amount and diluent.It is sprayed after mixing evenly, regulates machine discharging
Amount, while keeping dosage synchronous with spraying operation amount, with with spray, guarantee the continuity of construction；According to machine when spraying
Load calculates spray area, it is ensured that coating thickness reaches prescribed requirement, the spraying in entire place, and spray angle is about
55-60 degree angle need to carry out at same direction, and after solidification, opposite direction sprays one layer again ensures that place quality reaches prescribed requirement, often
The thickness of layer is equivalent to and has sprayed in total two layers in 1.5mm.
The plastic cement race track athletic ground performance indicator testing result completed of constructing is as shown in table 3:
Properties of product testing result made from 3 embodiment 3 of table
Claims (6)
1. a kind of mixed type primer from knot line plastic cement race track, it is characterised in that: including bottom and surface layer, the bottom by ETPU,
Polyurethane glue and EPDM particle are according to mass ratio EPDM: glue: it is laid with after 25~30:3.5 of ETPU~4.0:1 mixing,
Bottom with a thickness of 8~10mm；The surface layer is by the face PU glue and red rubber powder, the quartz sand face the PU glue in mass ratio of 70-100 mesh:
Red rubber powder: quartz sand 1:0.3~0.6:0.1~0.3 is sprayed and is laid with after mixing, surface layer with a thickness of 3.0~6.0mm.
2. the construction method that mixed type primer as described in claim 1 ties line plastic cement race track certainly, it is characterised in that: including as follows
Step:
1) handle plainly: cleaning cleans place, and level up the ground recess；
2) shop fixtures layer: ETPU, polyurethane glue, EPDM particle are taken, is in mass ratio EPDM: polyurethane glue: ETPU=25~
30:3.5~4.0:1 paves after mixing, and laying depth is 8~10mm, solidification maintenance 12~24 hours；
3) paving layer: by the face PU glue and red rubber powder, the quartz sand face the PU glue in mass ratio of 70-100 mesh: red rubber powder: quartz sand 1:
The mixing of 0.3~0.6:0.1~0.3 stirs well, and laying depth is 3.0~6.0mm.
3. construction method as claimed in claim 2, it is characterised in that: the laying method of surface layer specially will in the step 3)
The face PU glue is mixed with red rubber powder, quartz sand stir evenly after sprayed, spray angle be 55~60 degree of angles, carry out at same direction,
After solidification, opposite direction sprays one layer again, every layer with a thickness of 1.5~3mm, overall thickness is 3.0~6.0mm.
4. construction method as claimed in claim 2 plainly, it is characterised in that: the method handled in the step 1) is that cleaning is clear
Field sweep, 3mm, the EPDM particle of the place less than 5mm, 40-70 mesh quartz sand and polyurethane glue are greater than to depth of accumulated water and pressed
Mass ratio 1:1:0.04, then plus diluent is stirred evenly and is adjusted to and is suitble to construction consistency in right amount, scraped and looked for ruler or scraper plate painting
Flat water accumulation part；If depth of accumulated water is more than the place of 5mm, with EPDM particle and polyurethane glue 1:0.04 mixing scumbling in mass ratio
Add 40-70 mesh quartz sand by waterproof primary coat in water accumulation part, then with waterproof primary coat together: 40-70 mesh quartz sand mass ratio 1:6 is mixed and stirred
Uniformly, smooth to pave in water accumulation part and be compacted, it fills and leads up at a sunken inside.
5. construction method as claimed in claim 2, it is characterised in that: the glue of PU face described in step 3) is to include bicomponent material
Mixed type runway polyethers mill base glue.
6. construction method as claimed in claim 5, it is characterised in that: the mixed type runway polyethers mill base glue includes first
Component and second component, the first group are divided into containing polyisocyanate-based prepolymer, and the second group is divided into the polyether polyols of hydroxyl
The combination material of alcohol and auxiliary material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810981910.0A CN108978401A (en) | 2018-08-27 | 2018-08-27 | Mixed type primer ties line plastic cement race track and its construction method certainly |
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| CN201810981910.0A CN108978401A (en) | 2018-08-27 | 2018-08-27 | Mixed type primer ties line plastic cement race track and its construction method certainly |
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| CN114933885A (en) * | 2022-06-07 | 2022-08-23 | 福建奥翔体育塑胶科技股份有限公司 | Breathable environment-friendly high-performance plastic track bottom layer and preparation method thereof |
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Application publication date: 20181211 |