CN205975268U

CN205975268U - Kindergarten uses environmentally - friendly plastic ground

Info

Publication number: CN205975268U
Application number: CN201620588956.2U
Authority: CN
Inventors: 张健
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-06-16
Filing date: 2016-06-16
Publication date: 2017-02-22
Anticipated expiration: 2026-06-16

Abstract

The utility model provides a kindergarten uses environmentally - friendly plastic ground, includes the basal layer, is equipped with waterproof bonding layer on the basal layer, the waterproof bonding layer part upwards is equipped with bottom, second tie coat, surface course in permeating the basal layer in proper order under following on waterproof bonding layer. The advantage does: all adopt MDI glue to bond, it is effectual to bond, because that glue solidifies preceding viscidity is little, thus it is more simple and convenient than TDI in the work progress, paint also more evenly more easily, the compatibility can be guaranteed to the MDI glue that different layers contain, is difficult for the delaminating, MDI hurts very for a short time for TDI glue system, MDI glue to the human body, so the use is pollution -free, compliance and security are good, the finish coat has the certain hindrance ultraviolet ray and the function of closed toxic gas, makes EPDM be difficult for discolouing and polluting forer a short time in the use, because the utility model discloses a MDI glue content of each layer is high, so the ordinary plastic ground of its equal thickness, elasticity is good, the wear life is long.

Description

A kind of kindergarten uses environment friendly plastic rubber ground

Technical field：

This utility model is related to a kind of kindergarten environment friendly plastic rubber ground.

Background technology：

Adopt toluene di-isocyanate(TDI) (TDI) and gather the plastic floor of laying such as domestic kindergarten of China or runway more at present The semi-prepolymer of ethoxylated polyhydric alcohol reaction is as binding agent.TDI is water white or weak yellow liquid, has strong impulse Abnormal smells from the patient, has characteristic of concentration and latency in human body, skin, eyes and respiratory tract is had intense stimulus act on, sucks high concentration TDI steam can cause bronchitis, bronchopneumonia and pulmonary edema；Liquid is contacted with skin and can cause dermatitis.Liquid and eye Eyeball contact can cause serious stimulation, if do not treated, may lead to permanent damage.Long Term Contact TDI can cause Chronic bronchitiss.To TDI allergy sufferers, asthma may be caused, with asthma, dyspnea and cough.TDI is in hot or high light Under, have TDI gas and discharge.According to being expounded through peer review, plastic material, in addition to distributing toxic gas, also can produce substantial amounts of plastic cement Microparticle；Meanwhile, synthetic court also can cause " hot " pollution and " tropical island effect ", forms pyrotoxin, and high temperature makes polluter difficult To spread.In addition the semi-prepolymer of TDI synthesis is usually because its viscosity is larger, in order to increase constructing operation performance and reduce into This, typically can add volatile solvent dilution, so the glue that this kind of way produces, often have very strong penetrating odor. Due to the strong volatility of free TDI in glue, add the volatilization of solvent, work progress has substantial amounts of penetrating odor Produce.TDI is toxic articles, and due to its characteristic, Long Term Contact can produce possible permanent damage to respiratory tract.Even having constructed payment After use, the TDI of residual and solvent still can evaporate, and for user, especially for the weaker child of resistance, make The somatic damage becoming is more very.Meet hot weather or ultraviolet irradiate lower harmful gass meeting accelerated release in vitro, free TDI content is higher, The harm healthy to student and sporter is bigger, and wherein the harm to children's health can be some more.Teenage Child endangered be more susceptible to this kind of air pollution than adult.On the other hand, the concentration of this kind of air pollution is from the ground Nearlyer concentration is higher, and the height of child is relatively low it is clear that the harm causing is bigger.At this stage not to effective process arrange Apply.

Utility model content：

The purpose of this utility model is aiming at the disadvantages mentioned above of prior art presence, there is provided a kind of kindergarten environmental protection Plastic floor, its work progress is rationally, little using process contamination, and flexibility and safety are good, and not easy to change, use time is long, Solve problems of the prior art.

This utility model be employed technical scheme comprise that by solving above-mentioned technical problem：

A kind of kindergarten uses environment friendly plastic rubber ground, including basal layer, is provided with water-proof tack coat, water-proof binding on basal layer Layer segment penetrates in basal layer, is sequentially provided with bottom, the second tack coat, surface layer on water-proof tack coat from bottom to top.

Preferably, described surface layer is provided with finishing coat.

Preferably, described basal layer is concrete pedestal layer or Colophonium basal layer.

Preferably, described water-proof tack coat is made up of MDI glue and penetrating agent, and the weight ratio of MDI glue and penetrating agent is 1:1-1:3.

Preferably, described bottom is the mixture of MDI glue and rubber grain, the weight ratio of MDI glue and rubber grain For 1:6-1:10.

Preferably, described second tack coat is MDI glue layer.

Preferably, described surface layer is made up of with EPDM granule MDI glue, and the weight of MDI glue and EPDM granule is than for 1: 5-1:8, the gel content of described EPDM granule is more than 15%, a diameter of 1-3mm of described EPDM granule.

Preferably, described finishing coat is MDI glue or the mixture of MDI glue and mill base, the weight of MDI glue and mill base Amount ratio is 1:2-1:4.

Compared with prior art, the utility model has the advantages that：Work progress rationally, is all glued using MDI glue Knot, bond effect is good, and because the glue solidifies, front viscosity is little, thus easier compared with TDI in work progress, smear and be more prone to Evenly；The MDI glue that different layers contain ensure that the compatibility, is difficult delamination；The steaming pressure ratio TDI of MDI is little 1000 times, That is its volatility is more much smaller than TDI, the probability being sucked by respiratory tract is minimum, therefore for TDI glue system, MDI glue is to human injury's very little, so using process contamination little, flexibility and safety are good；Finishing coat has certain obstruction Ultraviolet and the function of closing toxic gas, make EPDM not easy to change in use and pollute less；Because this practicality is new The MDI glue content of each layer of type is high, so for it is compared with the common plastic floor of condition of equivalent thickness, elasticity is good, wear life is long.

Brief description：

Fig. 1 is cross-sectional view of the present utility model.

In figure, 1, basal layer, 2, water-proof tack coat, 3, bottom, the 4, second tack coat, 5, surface layer, 6, finishing coat.

Specific embodiment：

For the technical characterstic of this programme can be clearly described, below by specific embodiment, and combine its accompanying drawing, to this reality It is described in detail with new.

As shown in figure 1, a kind of kindergarten uses environment friendly plastic rubber ground, including basal layer 1, waterproof is provided with basal layer 1 and glues Knot layer 2, water-proof tack coat 2 part is penetrated in basal layer 1, is sequentially provided with bottom 3, second on water-proof tack coat 2 from bottom to top Tack coat 4, surface layer 5.

Described surface layer 5 is provided with finishing coat 6.Finishing coat can form confining bed on plastic floor surface, can prevent purple Inside the infringement plastic floor such as outside line, improve service life, also can reduce internal presumable polluter as far as possible and be dispersed into Extraneous.

Described basal layer 1 is concrete pedestal layer or Colophonium basal layer.

Described water-proof tack coat 2 is made up of MDI glue and penetrating agent, and the weight of MDI glue and penetrating agent is than for 1:1-1: 3, preferably 1:2.Penetrating agent and MDI glue combine, and during brushing, due to MDI, the viscosity before the glue solidifies is less, compares appearance during brushing Easily, due to there is penetrating agent, basal layer of can preferably holding, be conducive to improving service life of the present utility model.

Described bottom 3 is the mixture of MDI glue and rubber grain, and the weight of MDI glue and rubber grain ratio is for 1:6- 1:12.MDI glue content is higher, can improve service life and improve the elasticity of bottom, improves Consumer's Experience.Simultaneously as bottom Layer 3 connects with water-proof tack coat 2, and both are all using same substrate, it is possible to increase both compatibilitys so as to be difficult delamination, Improve service life.The free of contamination elastomeric materials such as the preferred EPDM of rubber grain.

Described second tack coat 4 is MDI glue layer.Because the second tack coat 4 is connected with bottom 3, both all adopt same Plant substrate, it is possible to increase both compatibilitys, so as to be difficult delamination, improve service life.

Described surface layer 5 is made up of with EPDM granule MDI glue, and the weight of MDI glue and EPDM granule is than for 1:5-1:8, The gel content of described EPDM granule is more than 15%, a diameter of 1-3mm of described EPDM granule.Due to surface layer 5 and the second tack coat 4 Connect, both all adopt same substrate, it is possible to increase both compatibilitys, so as to be difficult delamination, improve service life.Improve The content of the gel content of EPDM itself and raising MDI glue can improve elasticity of the present utility model and service life, lifting Consumer's Experience.

Described finishing coat 6 is the mixture of MDI glue or MDI glue and mill base, and the weight of MDI glue and mill base ratio is for 1: 2-1:4, preferably 1:3.Finishing coat 6 is prevented from ultraviolet invasion and attack, improves service life, also can reduce inside as far as possible may have Polluter be dispersed in the air.And do the substrate of finishing coat using MDI glue, firstly because it has certain barrier to make With, on the other hand, because finishing coat 6 is connected with surface layer 5, both all adopt same substrate, it is possible to increase both compatibilitys, Make it be difficult delamination, improve service life.

Embodiment 1：

A kind of kindergarten construction method on environment friendly plastic rubber ground, comprises the steps：

S1, basal layer 1 is mated formation：Mat formation basal layer 1 levelling；

S2, water-proof tack coat 2 is mated formation：Water-proof sticking agent is brushed on the basal layer 1 that S1 obtains, water-proof adhesive penetrates into Basal layer simultaneously forms water-proof tack coat 2 after solidifying；

S3, bottom 3 is mated formation：Water-proof tack coat 4 is mated formation bottom 3 levelling；

S4, the second tack coat 4 is mated formation：After the primer maintenance of S3 laying finishes, spray the second tack coat 4；

S5, surface layer 5 is mated formation：Select the EPDM granule of different colours, a diameter of 1- of described EPDM granule as needed 3mm, is mixed with MDI glue and mats formation on the second tack coat 4 after smashing.

This utility model is much better than product currently on the market in terms of the feature of environmental protection.According to GB《GB/T14833-2011 Synthetic material runway cover》It is that foundation detects, detection data is as follows to the plastic floor obtaining according to above-mentioned steps：

Ingredient names	Limit value	Measured value	Judge
				Lead mg/kg	≤90	13.2	Meet
Cadmium mg/kg	≤10	＜ 0.2	Meet
				Chromium mg/kg	≤10	4.5	Meet
Hydrargyrum mg/kg	≤2	＜ 0.5	Meet
				Benzene mg/kg	≤50	＜ 1.0	Meet
Toluene and dimethylbenzene mg/kg	≤50	＜ 2.0	Meet
				Toluene di-isocyanate(TDI) mg/kg	≤200	＜ 1.0	Meet

The either heavy metal or content of volatile organic matter is all far below limit value, especially volatile organic matter. Because the child height of kindergarten is relatively low, and the boiling characteristics of volatile organic matter lead to from plastic floor more close to, volatility has The concentration of machine thing is higher, therefore compared to adult, and the impact to Children in Kindergartens for the Organic substance that plastic floor volatilizes is bigger.From upper State list and can be seen that volatile organic content is very low, the risk that Children in Kindergartens is hurt can greatly be reduced.

Embodiment 2：

S1, basal layer 1 is mated formation：Mat formation basal layer 1 levelling；

S6, after surface layer 5 is mated formation and finished, sprays finishing coat 6 on surface layer.

According to GB《GB/T 14833-2011 synthetic material runway cover》It is according to moulding of being obtained according to above-mentioned steps Glue ground is detected, detection data is as follows：

The either heavy metal or content of volatile organic matter does not all detect, illustrates that finishing coat can play extraordinary Sealing process, because MDI glue contaminative itself is less, can play good sealing process, institute as finishing coat again when using The effect little can be only achieved this pollution.

Above-mentioned specific embodiment cannot function as the restriction to this utility model protection domain, for the skill of the art For art personnel, any alternate modification that this utility model embodiment is made or conversion all fall within guarantor of the present utility model In the range of shield.

This utility model does not describe part in detail, is the known technology of those skilled in the art of the present technique.

Claims

1. a kind of kindergarten with environment friendly plastic rubber ground it is characterised in that：Including basal layer, water-proof binding is provided with basal layer Layer, water-proof binding layer segment penetrate into basal layer in, water-proof tack coat is sequentially provided with from bottom to top bottom, the second tack coat, Surface layer.

2. a kind of kindergarten according to claim 1 with environment friendly plastic rubber ground it is characterised in that：Described surface layer is provided with cover Surface layer.

3. a kind of kindergarten according to claim 1 with environment friendly plastic rubber ground it is characterised in that：Described basal layer is cement Basal layer or Colophonium basal layer.

4. a kind of kindergarten according to claim 1 with environment friendly plastic rubber ground it is characterised in that：Described water-proof tack coat by MDI glue and penetrating agent form, and the weight of MDI glue and penetrating agent ratio is for 1:1-1:3.

5. a kind of kindergarten according to claim 1 with environment friendly plastic rubber ground it is characterised in that：Described bottom is MDI glue The mixture of water and rubber grain, the weight of MDI glue and rubber grain ratio is for 1:6-1:10.

6. a kind of kindergarten according to claim 1 with environment friendly plastic rubber ground it is characterised in that：Described second tack coat is MDI glue layer.

7. a kind of kindergarten according to claim 1 with environment friendly plastic rubber ground it is characterised in that：Described surface layer is by MDI glue Water and EPDM granule form, and the weight of MDI glue and EPDM granule ratio is for 1:5-1:8, the gel content of described EPDM granule is more than 15%, a diameter of 1-3mm of described EPDM granule.

8. a kind of kindergarten according to claim 2 with environment friendly plastic rubber ground it is characterised in that：Described finishing coat is MDI Glue.

9. a kind of kindergarten according to claim 2 with environment friendly plastic rubber ground it is characterised in that：Described finishing coat is MDI The mixture of glue and mill base, the weight of MDI glue and mill base ratio is for 1:2-1:4.