CN113480930A - UV-resistant polyol polyurethane teak-like self-leveling material and application thereof - Google Patents
UV-resistant polyol polyurethane teak-like self-leveling material and application thereof Download PDFInfo
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- CN113480930A CN113480930A CN202110870999.5A CN202110870999A CN113480930A CN 113480930 A CN113480930 A CN 113480930A CN 202110870999 A CN202110870999 A CN 202110870999A CN 113480930 A CN113480930 A CN 113480930A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The invention discloses a UV-resistant polyol polyurethane teak-like self-leveling material and application thereof, belonging to the technical field of building materials. The color component A and the transparent component B which are independently packaged are used according to the mass ratio of 1-3: 1, the density of the mixed liquid is 0.8-1.33 kg/L, the color A component consists of 39-48% of polyol elastic polyurethane resin, 0.5-1% of bentonite, 45-50% of filler and 6-10% of functional auxiliary agent, the polyol elastic polyurethane resin consists of 40-45% of plant polyol, 40-45% of diisocyanate and 10-20% of pigment, and the transparent B component is a transparent curing agent, so that the transparent B component is used for the decorative floor of the ship deck, has the characteristics of rolling resistance, flexibility and fatigue resistance, good performances such as water resistance, skid resistance, wear resistance, weather resistance, UV (ultraviolet) aging resistance, impact resistance and the like, does not fade, is beautiful in vision and touch, is green and is safe.
Description
Technical Field
The invention belongs to the technical field of building materials, and particularly relates to a UV-resistant polyol polyurethane teak-like self-leveling material and application thereof.
Background
The wood-like material is similar to wood material in appearance, texture, physical mechanical strength and machining performance, and may be used to replace traditional wood material in some fields. The traditional wood-like materials such as reinforced concrete surface wood-like materials mostly need raw wood materials to be made into molds to obtain surface wood textures, are close to wood products in appearance and high in strength, and are mostly used for large and medium-sized antique buildings; the traditional wood-plastic material contains wood materials, so that the product is easy to absorb moisture, the waterproof performance needs to be improved, the surface modification treatment is generally required after the molding for realizing the wood grain imitation effect, and the process is relatively complicated. The exterior decorative floor products of cruise ships and passenger ships have high requirements on quality and appearance, and particularly for large-scale passenger ships, the exterior of a ship body, such as a deck ground, has the requirements on shock absorption, noise reduction, water resistance, UV (ultraviolet) aging resistance and construction performance, and needs to have the aesthetic decorative effect of imitation teak. The artificial teak floor made of the special EVA foam material in the prior art has the characteristics of water resistance, UV (ultraviolet) aging resistance and no fading, can be used for yacht ship decks, motor home floors, fishing boat floors and the like, but needs to be pasted by waterproof gum, and has poor environmental protection and complex construction.
The self-leveling material is a ground decorative layer formed by slurry materials flowing by self, is convenient to construct, has beautiful coating, high cleanness, high wear resistance and high load capacity, has beautiful decorative effect, and can meet the requirements of large-scale cruise ships and passenger ships on floors. The traditional colorful self-leveling cement generally has the defects of poor coloring power, uneven color, easy color fading and the like, the environment-friendly colorful cement-based self-leveling material disclosed by the patent (CN102190463B) selects the combination of cement with less contents of tricalcium aluminate and tricalcium silicate, superfine pigment and a dispersing agent, the color is uniform and not easy to fade after the solidification, the flowing leveling performance of the self-leveling material is ensured while the crack resistance is good, but the surface hardness is high, the difference between the vision and the touch sense is large compared with that of the original teak, and the weight is large, so that the environment-friendly colorful cement-based self-leveling material is not suitable for the external decorative ground of the ship. The traditional epoxy self-leveling coating material is easy to be brittle and poor in aging resistance, is easy to have the phenomena of color change, bulging, cracking, pulverization, delamination and the like, is also not suitable for outdoor coating, and has strict requirements on environmental temperature and humidity, poor low-temperature film-forming performance and long construction period in epoxy self-leveling construction. Further, neither the polystyrene teak-like product disclosed in patent application (CN106046582A) nor the teak-like strand woven bamboo flooring disclosed in (CN103753680A) are suitable for cruise ships and exterior flooring of ships for passenger use, which have high requirements for quality and appearance.
Disclosure of Invention
Aiming at the defects of the prior art, the invention mainly aims to provide an outdoor double-component, rolling-resistant, tough and fatigue-resistant UV-resistant polyol polyurethane teak-imitating self-leveling material, which takes plant polyol and diisocyanate (HDI) as main chemical components and contains a colored component A and a transparent component B, when the material is not used, the component A and the component B are stored separately, the quality guarantee period is prolonged, and when the material is used, the material is mixed according to the proportion, so that the material is green, environment-friendly and flexible in construction.
The invention also aims to provide the application of the UV-resistant polyol polyurethane teak-like self-leveling material in the decorative floor of the ship deck, the decorative floor of the ship deck obtained by construction has the characteristics of rolling resistance, flexibility and fatigue resistance, good performances of water resistance, skid resistance, wear resistance, weather resistance, UV ultraviolet aging resistance, impact resistance and the like, does not fade, has visual and tactile properties comparable to those of original teak, and also has good physical and chemical resistance and weather adaptability, no solvent, environmental protection and safety.
In order to achieve the purpose, the invention adopts the technical scheme that:
the UV-resistant polyol polyurethane teak-like self-leveling material provided by the invention is prepared from a color component A and a transparent component B which are independently packaged, wherein the mass ratio of the color component A to the transparent component B is 1-3: 1, the density of the mixed liquid is 0.8-1.33 kg/L, the color component A consists of 39-48% of polyol elastic polyurethane resin, 0.5-1% of bentonite, 45-50% of filler and 6-10% of functional additive according to mass percentage, and the functional additive is prepared from the following components in percentage by mass of 1: 1: 1: 1, the polyol elastic polyurethane resin consists of 40-45% of plant polyol, 40-45% of diisocyanate and 10-20% of pigment, and the transparent component B is a transparent curing agent.
Preferably, the mass ratio of the color A component to the transparent B component is 2: 1.
preferably, the density of the color A component is 0.6-1.5 kg/L and the density of the transparent B component is 0.9-1.2 kg/L.
The invention also provides application of the UV-resistant polyol polyurethane teak-like self-leveling material in decoration of the ground on a ship deck.
Preferably, the ship deck decorative floor sequentially comprises a dressing layer, a leveling layer, a self-leveling layer and a transparent high-gloss finish coat from inside to outside; wherein:
the dosage of the dressing layer is 0.3-0.5 kg/m2The special light polyurethane mortar coating for the steel plate/aluminum plate is obtained by blade coating or tape casting, and consists of 50-70% of the polyol elastic polyurethane resin, 15-25% of the filler and 15-25% of the curing agent in percentage by mass;
the thickness of the leveling layer is 6-10 mm, and the density is 0.6-1 kg/m2Thickness of the coating is 3-10 kg/m2The elastic polyurethane self-leveling coating is prepared by tape casting of an elastic polyurethane self-leveling coating, wherein the elastic polyurethane self-leveling coating is prepared from 47-60% of polyol elastic polyurethane resin, 0.2-0.5% of bentonite, 15-25% of filler, 3-6% of functional additive and 15-25% of curing agent in percentage by mass, and the functional additive is prepared from the following components in percentage by mass: 1: 1: 1, leveling agent, defoaming agent, wetting agent and foam stabilizer;
the thickness of the self-leveling layer is 5-15 mm, and the density is 0.6-1 kg/m2Thickness of the coating is 3-15 kg/m2The UV-resistant polyol polyurethane teak-like self-leveling material is obtained by one-step tape casting of the UV-resistant polyol polyurethane self-leveling material as claimed in any one of claims 1 to 3;
the dosage of the transparent high-gloss finish coat is 0.03-0.06 kg/m2The waterborne polyurethane transparent high-gloss surface coating is obtained by blade coating or tape casting, and consists of 35-55% of aliphatic waterborne polyurethane resin, 1-2% of functional additives, 15-25% of curing agent and 29-38% of deionized water in percentage by mass, wherein the functional additives are prepared from the following components in percentage by mass: 1: 1: 1 leveling agent, defoaming agent, wetting agent and foam stabilizer.
Preferably, the ship deck decoration ground is obtained by a construction method comprising the following steps (a) to (d):
(a) after the surface of a steel plate/aluminum plate of a deck of a decorative ship is cleaned, carrying out blade coating or tape casting on the special light polyurethane mortar coating for the steel plate/aluminum plate to obtain a dressing layer;
(b) the elastic polyurethane self-leveling coating is subjected to tape casting forming on the surface of the dressing layer in the step (a) to obtain a leveling layer;
(c) after surface grinding and cleaning treatment are carried out on the leveling layer in the step (b), carrying out one-step tape casting on the UV-resistant polyol polyurethane teak-imitating self-leveling material to obtain a self-leveling layer;
(d) and (c) after the self-leveling layer is subjected to surface grinding and cleaning treatment, carrying out blade coating or tape casting on the surface of the self-leveling layer by using an aliphatic waterborne polyurethane transparent high-gloss surface coating to obtain a transparent high-gloss surface coating, and then carrying out surface cleaning and polishing treatment.
Compared with the prior art, the invention has the beneficial effects that:
(1) the UV-resistant polyol polyurethane teak-like self-leveling material takes plant polyol and HDI as main chemical components and comprises a color A component and a transparent B component, the color A component and the transparent B component are separately stored when the material is not used, and the color A component and the transparent B component are only required to be mixed according to a proportion when the material is used, so that the phenomenon of deterioration caused by reaction of two components can be effectively avoided, the quality guarantee period is prolonged, and the good construction performance of the material is ensured.
(2) The UV-resistant polyol polyurethane teak-like self-leveling material provided by the invention is used for decorative floors of ship decks, has the characteristics of rolling resistance, flexibility and fatigue resistance, is waterproof, anti-slip, wear-resistant, weather-resistant, UV-resistant, anti-aging, difficult to crack, not yellow or fade after long-term outdoor use, is comparable to original teaks in vision and touch, and is green, environment-friendly and safe.
(3) The UV-resistant polyol polyurethane teak-imitating self-leveling material has good flow leveling performance, and can effectively avoid the problems of shrinkage, mottling, patterns, color difference, floating color, color change, undercut, whitish, wiredrawing, dull, falling off, stickiness, oil pick-up or orange peel and the like in the construction process.
The above-described and other features, aspects, and advantages of the present invention will become more apparent with reference to the following detailed description.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a construction site diagram of the UV-resistant polyol polyurethane teak-like self-leveling material used for decorating the ground on the deck of a ship in the embodiment;
FIG. 2 is a topographic map of the appearance of the decorative flooring of the ship deck prepared in the example.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
The polyol elastic polyurethane resin adopted in the following embodiment consists of 40-45% of plant polyol, 40-45% of diisocyanate and 10-20% of pigment, the ship deck decorative floor prepared by the UV-resistant polyol polyurethane teak-like self-leveling material comprises a dressing layer, a leveling layer, a self-leveling layer and a transparent high-gloss finish coat layer from inside to outside in sequence; wherein:
the decorative floor of the ship deck sequentially comprises a dressing layer, a leveling layer, a self-leveling layer and a transparent highlight cover coat from inside to outside; wherein:
the dosage of the dressing layer is 0.3-0.5 kg/m2The special light polyurethane mortar coating for the steel plate/aluminum plate is obtained by blade coating or tape casting, and consists of 50-70% of polyol elastic polyurethane resin, 15-25% of filler and 15-25% of curing agent in percentage by mass;
the thickness of the leveling layer is 6-10mm, density of 0.6-1 kg/m2Thickness of the coating is 3-10 kg/m2The elastic polyurethane self-leveling coating is prepared by tape casting of an elastic polyurethane self-leveling coating, wherein the elastic polyurethane self-leveling coating consists of 47-60% of polyol elastic polyurethane resin, 0.2-0.5% of bentonite, 15-25% of filler, 3-6% of functional additive and 15-25% of curing agent in percentage by mass, and the functional additive is prepared from the following components in percentage by mass: 1: 1: 1, leveling agent, defoaming agent, wetting agent and foam stabilizer;
the thickness of the self-leveling layer is 5-15 mm, and the density is 0.6-1 kg/m2Thickness of the coating is 3-15 kg/m2The UV-resistant polyol polyurethane teak-like self-leveling material is obtained by one-step tape casting;
the dosage of the transparent high-gloss finish coat is 0.03-0.06 kg/m2The waterborne polyurethane transparent high-gloss surface coating is obtained by blade coating or tape casting, and consists of 35-55% of aliphatic waterborne polyurethane resin, 1-2% of functional additives, 15-25% of curing agent and 29-38% of deionized water in percentage by mass, wherein the functional additives are prepared from the following components in percentage by mass: 1: 1: 1 leveling agent, defoaming agent, wetting agent and foam stabilizer.
The ship deck decoration ground is obtained by the following construction method of the steps (a) to (d):
(a) after the surface of a steel plate/aluminum plate of a decorative ship deck is cleaned, carrying out blade coating or tape casting on a special light polyurethane mortar coating for the steel plate/aluminum plate to obtain a dressing layer;
(b) carrying out tape casting molding on the surface of the dressing layer in the step (a) by using an elastic polyurethane self-leveling coating to obtain a leveling layer;
(c) after surface grinding and cleaning treatment are carried out on the leveling layer in the step (b), carrying out one-step tape casting forming by using a UV-resistant polyol polyurethane teak-imitating self-leveling material to obtain a self-leveling layer;
(d) and (c) after the self-leveling layer is subjected to surface grinding and cleaning treatment, carrying out blade coating or tape casting on the surface of the self-leveling layer by using an aliphatic waterborne polyurethane transparent high-gloss surface coating to obtain a transparent high-gloss surface coating, and then carrying out surface cleaning and polishing treatment.
The technical solution of the present invention is further explained by the following specific examples.
Example 1
The polyol elastic polyurethane resin adopted in the embodiment consists of 45% of plant polyol, 45% of diisocyanate and 10% of pigment, and the method for preparing the ship deck decorative floor by using the UV-resistant polyol polyurethane teak-like self-leveling material is the same as the method. The decorative ground of the ship deck sequentially comprises a dressing layer, a leveling layer, a self-leveling layer and a transparent highlight finish coat from inside to outside; wherein: the dressing layer is obtained by blade coating or tape casting of special light polyurethane mortar coating for a steel plate/aluminum plate, and the dosage is 0.5kg/m2The special light polyurethane mortar coating for the steel plate/aluminum plate consists of 60 percent of polyol elastic polyurethane resin, 20 percent of filler and 20 percent of curing agent in percentage by mass;
the thickness of the leveling layer is 6mm, and the density is 0.6kg/m2Thickness of the coating layer is 3.6kg/m2The elastic polyurethane self-leveling coating is prepared by tape casting of an elastic polyurethane self-leveling coating, wherein the elastic polyurethane self-leveling coating is prepared from 55% of polyol elastic polyurethane resin, 0.5% of bentonite, 20% of filler, 4.5% of functional additive and 20% of curing agent, and the functional additive is prepared from the following components in percentage by mass: 1: 1: 1, leveling agent, defoaming agent, wetting agent and foam stabilizer;
the thickness of the self-leveling layer is 5mm, and the density is 0.6kg/m2Thickness of 3kg/m2The UV-resistant polyol polyurethane teak-like self-leveling material is obtained by one-step tape casting, and the material is prepared from a color component A and a transparent component B which are independently packaged in a mass ratio of 2: 1, the density of the mixed liquid is 1.33kg/L, the color component A is composed of 48 percent of polyol elastic polyurethane resin, 1 percent of bentonite, 45 percent of filler and 6 percent of functional additive, and the functional additive is prepared from the following components in percentage by mass of 1: 1: 1: 1, the transparent component B is a transparent curing agent;
the dosage of the transparent high-gloss finish coat is 0.05kg/m2Is prepared from the transparent high-gloss aliphatic water-base polyurethane resin (45%), 1.5% and the transparent high-gloss aliphatic water-base polyurethane paint through doctor coating or casting% of functional auxiliary agent, 20% of curing agent and 33.5% of deionized water, wherein the functional auxiliary agent is prepared from the following components in percentage by mass: 1: 1: 1 leveling agent, defoaming agent, wetting agent and foam stabilizer.
Examples 2 and 3 an exterior decorative flooring for a ship was prepared, which is different from example 1 in that the polyol elastic polyurethane resin and the UV-resistant polyol polyurethane imitation teak self-leveling material were used, specifically as follows:
example 2: the polyol elastic polyurethane resin adopted in the embodiment consists of 40% of plant polyol, 40% of diisocyanate and 20% of pigment, and the method for preparing the decorative floor of the ship deck by using the UV-resistant polyol polyurethane teak-like self-leveling material is the same as the method for preparing the decorative floor of the ship deck by using the UV-resistant polyol polyurethane teak-like self-leveling material; wherein the thickness of the self-leveling layer is 10mm, and the density is 0.8kg/m2Thickness of each mm, the dosage is 8kg/m2The self-leveling material is obtained by carrying out one-time tape casting on a UV-resistant polyol polyurethane teak-like self-leveling material, and the self-leveling material is prepared from a color component A and a transparent component B which are independently packaged in a mass ratio of 2: 1, the density of the mixed liquid is 1.33kg/L, the color component A consists of 43.5 percent of polyol elastic polyurethane resin, 0.5 percent of bentonite, 50 percent of filler and 6 percent of functional additive, and the functional additive is prepared by mixing the following components in percentage by mass: 1: 1: 1, leveling agent, defoaming agent, wetting agent and foam stabilizer, and the transparent component B is transparent curing agent.
Example 3: the polyol elastic polyurethane resin adopted in the embodiment consists of 40% of plant polyol, 40% of diisocyanate and 20% of pigment, and the method for preparing the decorative floor of the ship deck by using the UV-resistant polyol polyurethane teak-like self-leveling material is the same as the method for preparing the decorative floor of the ship deck by using the UV-resistant polyol polyurethane teak-like self-leveling material; wherein the thickness of the self-leveling layer is 15mm, and the density is 1kg/m2Thickness of each mm, the dosage is 15kg/m2The self-leveling material is obtained by carrying out one-time tape casting on a UV-resistant polyol polyurethane teak-like self-leveling material, and the self-leveling material is prepared from a color component A and a transparent component B which are independently packaged in a mass ratio of 2: 1, the density of the mixed liquid is 1.33kg/L, the color component A consists of 42.5 percent of polyol elastic polyurethane resin, 0.5 percent of bentonite, 47 percent of filler and 10 percent of functional additive, and the functional additive is prepared by mixing the following components in percentage by mass: 1: 1: 1 leveling agent, defoamer, wetting agent and foam stabilizer combinationAnd the transparent component B is a transparent curing agent.
Tests show that the fire resistance and flame retardance of the external decorative floor of the ship prepared in the above examples 1 to 3 reach B1 level, and the critical heat radiation flux CHF is not lower than 9.4Kw/m2(Standard requirement is greater than 8.0 Kw/m)2) The smoke yield is less than 147.2 percent multiplied by min (the standard requirement is less than 750 percent multiplied by min), the combustible value is less than 120Fs (mm) within 20s, the flame tip height is less than 150Fs (mm), and the detection is carried out through surface combustion fire resistance, smoke, toxicity and chemical resistance.
The ship exterior trim flooring prepared in the above examples 1 to 3 was subjected to a performance test with comparative example 1 (epoxy self-leveling flooring) and comparative example 2 (colored self-leveling cement-based flooring), and the results are shown in table 1.
TABLE 1
Claims (6)
1. The UV-resistant polyol polyurethane teak-imitating self-leveling material is characterized in that when a color component A and a transparent component B which are independently packaged are used, the weight ratio of the components is 1-3: 1, the density of the mixed liquid is 0.8-1.33 kg/L; wherein:
the color component A consists of 39-48% of polyol elastic polyurethane resin, 0.5-1% of bentonite, 45-50% of filler and 6-10% of functional additive in percentage by mass, wherein the functional additive is prepared from the following components in percentage by mass of 1: 1: 1: 1, the polyol elastic polyurethane resin consists of 40-45% of plant polyol, 40-45% of diisocyanate and 10-20% of pigment;
the transparent component B is a transparent curing agent.
2. The UV-resistant polyol polyurethane teak-like wood self-leveling material according to claim 1, wherein the mass ratio of the colored a component to the transparent B component is 2: 1.
3. the UV-resistant polyol polyurethane teak-like wood self-leveling material of claim 1 wherein the density of the color a component is 0.6-1.5 kg/L and the density of the clear B component is 0.9-1.2 kg/L.
4. Use of the UV resistant polyol polyurethane teak-like self-leveling material of any one of claims 1 to 3 in a marine deck trim flooring.
5. The use according to claim 4, wherein the ship deck decorative floor comprises a coating layer, a leveling layer, a self-leveling layer and a transparent high-gloss finish coat layer in sequence from inside to outside; wherein:
the dosage of the dressing layer is 0.3-0.5 kg/m2The special light polyurethane mortar coating for the steel plate/aluminum plate is obtained by blade coating or tape casting, and consists of 50-70% of the polyol elastic polyurethane resin, 15-25% of the filler and 15-25% of the curing agent in percentage by mass;
the thickness of the leveling layer is 6-10 mm, and the density is 0.6-1 kg/m2Thickness of the coating is 3-10 kg/m2The elastic polyurethane self-leveling coating is prepared by tape casting of an elastic polyurethane self-leveling coating, wherein the elastic polyurethane self-leveling coating is prepared from 47-60% of polyol elastic polyurethane resin, 0.2-0.5% of bentonite, 15-25% of filler, 3-6% of functional additive and 15-25% of curing agent in percentage by mass, and the functional additive is prepared from the following components in percentage by mass: 1: 1: 1, leveling agent, defoaming agent, wetting agent and foam stabilizer;
the thickness of the self-leveling layer is 5-15 mm, and the density is 0.6-1 kg/m2Thickness of the coating is 3-15 kg/m2The UV-resistant polyol polyurethane teak-like self-leveling material is obtained by one-step tape casting of the UV-resistant polyol polyurethane self-leveling material as claimed in any one of claims 1 to 3;
the dosage of the transparent high-gloss finish coat is 0.03-0.06 kg/m2The waterborne polyurethane coating is obtained by blade coating or tape casting of waterborne polyurethane transparent high-gloss surface coatingThe transparent high-gloss surface coating consists of 35-55% of aliphatic waterborne polyurethane resin, 1-2% of functional additive, 15-25% of curing agent and 29-38% of deionized water in percentage by mass, wherein the functional additive is prepared from the following components in percentage by mass: 1: 1: 1 leveling agent, defoaming agent, wetting agent and foam stabilizer.
6. Use according to claim 5, wherein the ship deck decoration ground is obtained by a construction method comprising the following steps (a) to (d):
(a) after the surface of a steel plate/aluminum plate of a deck of a decorative ship is cleaned, carrying out blade coating or tape casting on the special light polyurethane mortar coating for the steel plate/aluminum plate to obtain a dressing layer;
(b) carrying out tape casting molding on the surface of the dressing layer in the step (a) by using the elastic polyurethane self-leveling coating to obtain a leveling layer;
(c) after surface grinding and cleaning treatment are carried out on the leveling layer in the step (b), carrying out one-step tape casting on the UV-resistant polyol polyurethane teak-imitating self-leveling material to obtain a self-leveling layer;
(d) and (c) after the self-leveling layer is subjected to surface grinding and cleaning treatment, blade coating or tape casting molding is carried out on the surface of the self-leveling layer by using the waterborne polyurethane transparent high-gloss surface coating to obtain a transparent high-gloss surface coating, and then surface cleaning and polishing treatment are carried out.
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| CN114319779A (en) * | 2021-12-24 | 2022-04-12 | 上海岩皇环保科技有限公司 | Inorganic aggregate polyurethane grindstone terrace and preparation method and application thereof |
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| WO2023116876A1 (en) * | 2021-12-24 | 2023-06-29 | 上海岩皇环保科技有限公司 | Inorganic aggregate polyurethane terrazzo floor, preparation method therefor and application thereof |
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