CN109021808A - Water-repellent paint and one-piece type three-level block flexibly plate using the coating - Google Patents

Abstract

The invention discloses water-repellent paint and using the one-piece type three-level block of the coating, flexibly plate, water-repellent paint include pre-polymer solution and resin solution；Pre-polymer solution is the modified methylene diisocyanate of 100wt%；Resin solution include the molecular weight of 50wt%~60wt% be 3000~5000 polyether polyol, 15wt%~25wt% hydroxyl be the polymerized polyalcohol of 25mg~35mgKOH/g, the chain extender of 5wt%~10wt%, the silicon foam stabilizers of 0.1wt%~1wt%, the amine catalyst of 1wt%~2wt% and the foaming agent of 2.0wt%~20wt%；Flexibly plate includes the basal layer being laminated from top to down with integral manner, elastic layer and ending material layer to one-piece type three-level block, and the elastic layer is waterproof coating layer.The present invention not only can prevent the loss as caused by rain by the high basal layer of specific gravity in the rainy day; and it is absorbed and is impacted by elastic layer; play buffer function; to protect player or Walking People; and; the setting work of flooring board is simple, is not influenced by surrounding enviroment and season, convenient in construction so as to provide.

Description

Water-repellent paint and one-piece type three-level block flexibly plate using the coating

Technical field

The present invention relates to flexibly plate technical field more particularly to a kind of water-repellent paint and one-piece type three-level blocks flexibly Plate.

Background technique

Flexibly it is special to be widely used in basketball court, office, hospital, hotel, school, golf course, bicycle for plate With public places such as road, roads of jogging, it is commonly is made using two liquid type polyurethane, polyurethane fragment or rubbery chip etc. at present At product, not only execution conditions are complicated harsh for this product, but also vulnerable to surrounding enviroment and seasonal influence.

Use polyurethane fragment or rubbery chip need to be by complicated and cumbersome construction as the flexibly plate of material Journey: grounding, priming paint coating, binder and rubbery chip/polyurethane fragment are mixed, are laid with, planarization, supporting for the first time Shield, ending processing, external coating processing, solidification, graticule and second conserve.And as time go on, rubbery chip easily occurs It falls off, when for a long time, in use, color can change, when rainy, loss etc. easily occurs for the flexibly plate of rubber cushion blocks Problems, especially when rainy day or plum rains season arrive, flexibly plate falls off from road and is scattered on car lane, frequently draws Play traffic accident.

Liquid phase binder and rubbery chip using a liquid type or the liquid phase using the two-liquid type comprising host agent and curing agent Product not there is only needing to abide by the problem of match ratio etc. is difficult with, and needs to increase in terms of mixing, coating, compacting The problem of additional equipment；If not complying with match ratio, it is unable to satisfy the physical property of product requirement and flaw possibility occurs after constructing In addition to this problems such as surface subsidence, cracking or the swelling as caused by air or vapor easily occurs is used for a long time in height. The two liquid type polyurethane of liquid phase type is used also to need as the flexibly plate of main material by complicated and cumbersome construction Journey: grounding, priming paint coating are applied in first time, are conserved for the first time, painting coating, for the second time maintenance, outer painting in second Layer processing, third time maintenance, graticule, the 4th maintenance.

At present the chinampa in football pitch, hockey field, gate ball court, ball park etc. etc. mostly using nylon, polypropylene as Raw material, after being fixed on bottom surface using the binder of epoxy glue etc, in each gap for being formed in chinampa upper side Between dispense damaged tire fragment (chip) and obtain buffer function effect.Compared with natural lawn, chinampa surface elastic force is not Foot, player's chance of injury increases, although using damaged tire fragment as padded coaming, when personnel jam on, and the nocuousness of binder The dust of ingredient and damaged tire can get into the air.Comprising lead, volatile organic compounds, more in binder and damaged tire dust The carcinogens such as nuclear aromatics, this carcinogen can not only play anaemia, papilloma even cutaneum carcinoma, but also in lead or volatility Organic compound or polynuclear aromatic hydrocarbons it is exposed in the skin of children and breathing in the case where, if it is child, even on a small quantity, Hearing is also resulted in, intellectual development is had an impact.

Summary of the invention

To solve the above problems, the invention proposes a kind of water-repellent paint and utilizing the one-piece type three-level block elasticity of the coating Flooring board can not only prevent the loss as caused by rain in the rainy day by the high basal layer of specific gravity, but also can be by elasticity Layer absorbs impact, plays buffer function, to protect player or Walking People, also, the setting work of flooring board is simple, no It is influenced by surrounding enviroment and season, it is convenient in construction so as to provide.

In order to solve the above-mentioned technical problem, one aspect of the present invention provides a kind of water-repellent paint:

A kind of water-repellent paint, including pre-polymer solution and resin solution, the pre-polymer solution and resin solution with 0.4~ 0.6:1 weight ratio mixes elastic layer；The pre-polymer solution is the modified methylene diisocyanate of 100wt%, described Modified methylene diisocyanate NCO contains 20%~26% NCO；The resin solution includes point of 50wt%~60wt% Son amount is 3000~5000 polyether polyol, the hydroxyl of 15wt%~25wt% is the polymeric polyols of 25mg~35mgKOH/g Alcohol, the chain extender of 5wt%~10wt%, the silicon foam stabilizers of 0.1wt%~1wt%, 1wt%~2wt% amine catalyst and The foaming agent of 2.0wt%~20wt%.

Modified methylene diisocyanate is for adjusting elastic layer total hardness, weatherability and elongation in the pre-polymer solution The physical property such as rate；

The polyether polyol that the resin solution middle-molecular-weihydroxyethyl is 3000~5000 is used to be stablized and mechanical properties are excellent The elegant foam with elasticity and high-durability, the polyether polyol additive amount that molecular weight is 3000~5000 are less than 50wt% When, there is the foam of elasticity and high-durability, but stretching or hardness reduce, the polyether polyol that molecular weight is 3000~5000 adds When dosage is greater than 60wt%, reduce impact absorbency because elasticity is excessively high, it is preferred, therefore, that the molecular weight in the present invention is Range of 3000~5000 polyether polyol in 50wt%~60wt% is added.

In the resin solution polymerized polyalcohol be acrylic monomers, the hydroxyl valence (OH.NO) that is polymerized be 5mg~ The substance of 35mgKOH/g, for removing the shrinkage phenomenon for realizing the foam with elasticity and high-durability of foaming, and for having Flexible, hardness and aeration, the hydroxyl valence (OH.NO) are that the polymerized polyalcohol additive amount of 25mg~35mgKOH/g is less than When 15wt%, there are problems that foamed elastic and aeration reduce, the hydroxyl valence (OH.NO) is 25mg~35mgKOH/g's When polymerized polyalcohol additive amount is greater than 25wt%, there is a problem of that foam hard is really up to the mark, it is preferred, therefore, that the hydroxyl in the present invention Range of the polymerized polyalcohol that base price (OH.NO) is 25mg~35mgKOH/g in 15wt%~25wt% is added.

Preferably, chain extender uses divalent ethyl alcohol or amine in the resin solution.

Chain extender is used to improve when foamable reaction occurs for the foam with elasticity and high-durability in the resin solution When the chain extender additive amount is less than 5wt%, in the inside of foam scratch (Crack) occurs for binding force due to degree of cross linking decline Phenomenon, when the chain extender additive amount is greater than 10wt%, foam hard is excessively high, it is preferred, therefore, that chain extender exists in the present invention The range of 5wt%~10wt% is added.

Silicon foam stabilizers are used to improve the raising of the dispersibility of the material composition based on emulsification, list in the resin solution Discharge, the brokenness of monomer of gas etc. generated in reaction caused by the reduction of the stabilisation, surface tension of body, the silicon are fixed When infusion additive amount is less than 0.1wt%, the foam with elasticity and high-durability with stable inside monomer can not be obtained, When the silicon foam stabilizers additive amount is greater than 1wt%, because the stabilisation of monomer is possible to cause the bubble with elasticity and high-durability The contraction of foam, and be likely to decrease the activity of catalyst, it is preferred, therefore, that silicon foam stabilizers in the present invention 0.1wt%~ The range of 1wt% is added.

Preferably, the amine catalyst is containing triethylene diamine and to include dimethylaminoethyl ether 70wt% and dipropyl The tertiary amine catalyst of glycol 30wt%.

Amine catalyst, which is used to form, in the resin solution has smoothly operability and stable elasticity and height durable Property foam, when the amine catalyst additive amount is less than 1wt%, make to solidify because of response delay bad, lead to poor operability, When the amine catalyst additive amount is greater than 2wt%, make in the foam with elasticity and high-durability because reaction becomes too fast Portion's reaction heat increases, so that monomer can not be uniform and be stably generated, causes frequent product bad, it is preferred, therefore, that of the invention In amine catalyst 1wt%~2wt% range add.

Preferably, the foaming agent is one of water, pentamethylene, the chloro- 1- fluoroethane of 1,1- bis- and methylene chloride.

When foaming agent additive amount is less than 2wt% in the resin solution, not only because having the foam of elasticity and high-durability Density it is high and increase the consumption of raw material, and there are problems that flexibility decrease because the hardness of foam becomes excessively high, the hair When infusion additive amount is greater than 20wt%, the physical property such as durability and the intensity of foam are caused to reduce because of density reduction, thus can not With the purposes as the flooring board with elasticity and high-durability, it is preferred, therefore, that the foaming agent in the present invention is in 1wt% The range of~2wt% is added.

In 0.4~0.6:1 weight ratio range, isocyanate index is preferably 0.9 for the pre-polymer solution and resin solution ~1.2, wherein isocyanate index refers to the weight ratio of the polyalcohol with OH base and the isocyanates with NCO base；It is described When pre-polymer solution and resin solution are below 0.4~0.6:1 weight ratio, therefore the index of isocyanates, has less than 0.9 The hardness of the foam of elasticity and high-durability is lower and elasticity is made to become excessively high, so that it can not be used as flexibly plate, institute When stating pre-polymer solution and resin solution more than 0.4~0.6:1 weight ratio, the index of isocyanates is greater than 1.2, therefore, The surface of foam with elasticity and high-durability generates gap (Void), and the hardness of foam is got higher, and causes elastic and durable Property decline the problem of, it is preferred, therefore, that pre-polymer solution and resin solution are carried out in the present invention with the weight ratio of 0.4~0.6:1 Mixing.

In order to solve the above-mentioned technical problem, another aspect of the present invention provides a kind of one-piece type three-level block flexibly plate:

A kind of one-piece type three-level block flexibly plate, including basal layer, the bullet being laminated from top to down with integral manner Property layer and ending material layer；

The basal layer is one of concrete, cement mortar, iron plate, plank or plasterboard；

The elastic layer, including pre-polymer solution and resin solution, the pre-polymer solution and resin solution with 0.4~ 0.6:1 weight ratio mixes elastic layer；The pre-polymer solution is the modified methylene diisocyanate of 100wt%, described Modified methylene diisocyanate NCO contains 20%~26% NCO；The resin solution includes point of 50wt%~60wt% Son amount is 3000~5000 polyether polyol, the hydroxyl of 15wt%~25wt% is the polymeric polyols of 25mg~35mgKOH/g Alcohol, the chain extender of 5wt%~10wt%, the silicon foam stabilizers of 0.1wt%~1wt%, 1wt%~2wt% amine catalyst and The foaming agent of 2.0wt%~20wt%；

The ending material layer is one of chinampa, synthetic leather, tissue paper, film-sticking paper or thin slice paper.

When the base layer thickness is less than 2cm, the effect for preventing the loss as caused by rain is not only reduced, but also because intensity becomes Weak have a destructible, when the base layer thickness is greater than 8cm, although intensity is high and has and prevents the loss as caused by rain Effect, but because load increase due to reduce operability, and become cost increase factor, it is therefore preferred that basal layer exists It is maintained within the scope of 2cm~8cm.

A kind of preparation method of one-piece type three-level block of the present invention flexibly being hit by a bullet property of plate layer:

The pre-polymer solution and resin solution are put into 0.4~0.6:1 weight ratio into reactive tank above-mentioned at 20 DEG C Pre-polymer solution and resin solution, and homogenized with the stirring of the speed of 5000rpm to realize within 3 seconds~5 seconds, to prepare tool The preparation of flexible and high-durability resilient layer combination object.

Compared with prior art, beneficial effects of the present invention: the present invention will selected from the high concrete or cement mortar of specific gravity, One of iron plate, plank, plasterboard are used to prevent the basal layer of the loss as caused by rain, have elasticity and high-durability and inhale Impact is received to play the elastic layer, the synthetic leather selected from chinampa or with abrasion performance and tissue paper, patch of buffer function One of film paper, sheet material layers that finish up are three-level one, not only can be in the rainy day through basis that specific gravity is high Layer prevents the loss as caused by rain, and can be absorbed and impact by elastic layer, play buffer function, come protect player or Walking People, also, the setting work of flooring board is simple, is not influenced by surrounding enviroment and season, so as to provide construction On it is convenient.

Detailed description of the invention

Fig. 1 is the cross-sectional view of one-piece type three-level block flexibly plate production process sequence described in the embodiment of the present invention 1.

Fig. 2 is the cross-sectional view of one-piece type three-level block flexibly plate production process sequence described in the embodiment of the present invention 1

Fig. 3 is the cross-sectional view of one-piece type three-level block flexibly plate production process sequence described in the embodiment of the present invention 2

Fig. 4 is that state diagram is arranged in Fig. 3.

Appended drawing reference:

1, mold；11, basal layer；12, resilient layer combination object；12a, elastic layer；13, finish up material layer；2, lid.

Specific embodiment

The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.

Embodiment 1

As shown in Figure 1, the basal layer of 1 internal ground of mold setting, 2~8cm in fixed specification, the basal layer 11 select From one of concrete, cement mortar, iron plate, plank, plasterboard；Investment has elasticity and high-durability and absorbs impact The elastic layer 12a for playing buffer function is fixed with chinampa in the medial surface of lid 2 or with the synthetic leather of abrasion performance And tissue paper, film-sticking paper, sheet etc. finish up material layer 13 to be covered.

Under state as described above, 1 temperature of mold is made to carry out 5~7 minutes progress timeliness between 30 DEG C~50 DEG C and consolidate Change processing is demoulded, as shown in figure 4, above-mentioned resilient layer combination object 12 is soaked with the realization of defined thickness such as Fig. 2 institute later Show, being formed has elasticity and high-durability and absorb the elastic layer 12a that buffer function is played in impact, terminates elastic layer 12a's Bottom surfaces are firmly close to combine basal layer 11, are firmly close in the upper side of elastic layer 12a in conjunction with ending material layer 13 The production of one-piece type three-level block flexibly plate.

In above-mentioned manufacturing process, when flexibly plate is demoulded from mold 1, if demoulding time at 5 minutes hereinafter, if Generate foam is expanded to the main reason for product is bad, if demoulding time was dropped at 7 minutes or more because the working time is elongated Low economy, it is therefore preferred that realize ageing treatment in 5 minutes~7 minutes, if also, 1 temperature of mold at 30 DEG C hereinafter, Then the surface of the foam of elastic layer 12a generates gap, and there may be the problems of foam breakage when demoulding greatly, if the temperature of mold 1 At 50 DEG C or more, then the phenomenon that surface of foam falls off is generated because the epidermis of foam is thinning, it is therefore preferable that being 30 DEG C~50 DEG C temperature.

When the thickness of above-mentioned basal layer 11 is less than 2cm, the effect for preventing the loss as caused by rain is not only reduced, but also because strong Degree dies down and there are problems that destructible, when the thickness of above-mentioned basal layer 11 is greater than 8cm, although intensity is high and has and prevents from being drawn by rain The effect of the loss risen, but operability is reduced because load increases, and become the factor of cost increase, it is therefore preferred that base Plinth layer is maintained within the scope of 2cm~8cm.

Flexibly plate is connect using cement to bond the one-piece type three-level block of the invention made in the manner Ground is fixed using sand, so that not only the loss when rainy day can be prevented by the high basal layer 11 of specific gravity, and And the elasticity for being convenient for constructing due to work is convenient and is not influenced by surrounding enviroment and season, also, being formed by foaming Layer 12a impacts to absorb, and buffer function is played, so as to protect Walking People.

Embodiment 2

Fig. 3 is the cross-sectional view for indicating the one-piece type three-level block of the present invention flexibly embodiment 2 of plate, and stacking chinampa is made For the material layer 13 that finishes up, Fig. 4 is the cross-sectional view of the flexibly plate for being provided with chinampa of continuous setting Fig. 3.

As shown in Figures 3 and 4, in the ending material layer 13 of one-piece type three-level block of the invention flexibly plate by pedaline Level ground is laminated and in the case where being continuously set to various sports fields, also can be because even if concentrating trampling in arenic characteristic Elastic layer 12a absorbs impact and plays buffer function and prevent player's injury, and there is no need to existing flexibly plates to be added The damaged tire fragment and binder added belongs to so that the carcinogens such as lead and volatile organic compounds, polynuclear aromatic hydrocarbons will not be generated In green material.

As shown in figure 4, basal layer 11 uses concrete, elastic layer 12a uses tool as above-mentioned resilient layer combination object 12 Flexible and high-durability foam, ending material layer 13 use chinampa, by basal layer 11, elastic layer 12a and ending material The flexibly plate for the three-level block that the bed of material 13 is laminated carries out harmfulness experiment, and the results are shown in Table 1, and 16 projects are inspection Out

The one-piece type three-level block of table 1 flexibly plate harmfulness experimental result

Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that not A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this The range of invention is defined by the claims and their equivalents.

Claims (6)

1. a kind of water-repellent paint, which is characterized in that including pre-polymer solution and resin solution, the pre-polymer solution and resin are molten Liquid mixes elastic layer with 0.4~0.6:1 weight ratio；The pre-polymer solution is two isocyanide of modified methylene of 100wt% Acid esters, the modified methylene diisocyanate NCO contain 20%~26% NCO；The resin solution include 50wt%~ The hydroxyl of polyether polyol, 15wt%~25wt% that the molecular weight of 60wt% is 3000~5000 is 25mg~35mgKOH/g Polymerized polyalcohol, the chain extender of 5wt%~10wt%, the silicon foam stabilizers of 0.1wt%~1wt%, 1wt%~2wt% amine The foaming agent of catalyst and 2.0wt%~20wt%.

2. the water-repellent paint as described in claim 1, which is characterized in that the chain extender is one of divalent ethyl alcohol or amine.

3. the water-repellent paint as described in claim 1, which is characterized in that the amine catalyst be containing triethylene diamine and comprising The tertiary amine catalyst of dimethylaminoethyl ether 70wt% and dipropylene glycol 30wt%.

4. the water-repellent paint as described in claim 1, which is characterized in that the foaming agent is water, pentamethylene, the chloro- 1- of 1,1- bis- One of fluoroethane or methylene chloride.

5. a kind of one-piece type three-level block flexibly plate, which is characterized in that including what is be laminated from top to down with integral manner Basal layer, elastic layer and ending material layer；

The basal layer is one of concrete, cement mortar, iron plate, plank or plasterboard；

The elastic layer, including pre-polymer solution and resin solution, the pre-polymer solution and resin solution are with 0.4~0.6:1 Weight ratio mixes elastic layer；The pre-polymer solution is the modified methylene diisocyanate of 100wt%, described modified sub- Methyl diisocyanate NCO contains 20%~26% NCO；The resin solution includes that the molecular weight of 50wt%~60wt% is The polymerized polyalcohol that 3000~5000 polyether polyol, the hydroxyl of 15wt%~25wt% are 25mg~35mgKOH/g, The chain extender of 5wt%~10wt%, the silicon foam stabilizers of 0.1wt%~1wt%, 1wt%~2wt% amine catalyst and The foaming agent of 2.0wt%~20wt%；

The ending material layer is one of chinampa, synthetic leather, tissue paper, film-sticking paper or thin slice paper.

6. one-piece type three-level block as claimed in claim 5 flexibly plate, which is characterized in that the basal layer is with a thickness of 2 ~8cm.