阅读说明：本技术 一种反射隔热防水涂料及其制备方法和应用 (Reflective heat-insulating waterproof coating and preparation method and application thereof ) 是由 石小成 姚国友 金鑫 李春德 郁金珠 于 2020-04-24 设计创作，主要内容包括：本发明公开了一种反射隔热防水涂料及其制备方法和应用,包括A料和B料,A料为液体材料,主要由以下重量份原料所制成：硅丙乳液98.5-99份,多功能助剂0.1-0.15份,消泡剂0.1-0.4份,防冻剂0.1-1份；B料为粉体材料,主要由以下重量份原料所制成：硅酸盐水泥25-45份,钛白粉10-15份,重质碳酸钙5-20份,隔热材料5-10份,石英砂20-40份。本发明所得具有反射隔热性能的聚合物防水涂料具有裸露环境下抗紫外线,反射隔热性和防水功能,具有耐候性能优良、抗紫外性强、抗污性能强、稳定性能高、力学性能强度高的特点,本发明防水涂料制备简单,施工方便,绿色环保无污染,并且降低劳动成本。(The invention discloses a reflective heat-insulating waterproof coating and a preparation method and application thereof, wherein the reflective heat-insulating waterproof coating comprises a material A and a material B, wherein the material A is a liquid material and is mainly prepared from the following raw materials in parts by weight: 98.5-99 parts of silicone-acrylate emulsion, 0.1-0.15 part of multifunctional additive, 0.1-0.4 part of defoaming agent and 0.1-1 part of antifreezing agent; the material B is a powder material and is mainly prepared from the following raw materials in parts by weight: 25-45 parts of Portland cement, 10-15 parts of titanium dioxide, 5-20 parts of ground limestone, 5-10 parts of heat insulation materials and 20-40 parts of quartz sand. The polymer waterproof coating with the reflective heat-insulating property has the functions of ultraviolet resistance, reflective heat-insulating property and water resistance in a naked environment, and has the characteristics of excellent weather resistance, strong ultraviolet resistance, strong stain resistance, high stability and high mechanical property strength.)

1. The reflective heat-insulation waterproof coating is characterized by comprising two components of a material A and a material B, wherein the material A is a liquid material and is mainly prepared from the following raw materials in parts by weight: 98.5-99 parts of silicone-acrylate emulsion, 0.1-0.15 part of multifunctional additive, 0.1-0.4 part of defoaming agent and 0.1-1 part of antifreezing agent; the material B is a powder material and is mainly prepared from the following raw materials in parts by weight: 25-45 parts of Portland cement, 15-25 parts of titanium dioxide, 5-20 parts of ground limestone, 5-10 parts of heat insulation materials and 20-40 parts of quartz sand.

2. The reflective insulation, waterproof coating of claim 1, wherein said multifunctional adjuvant is an AMP-95 multifunctional adjuvant.

3. The reflective, heat-insulating and waterproof coating material as claimed in claim 1, wherein the defoaming agent is one or a mixture of two of mineral oil and silicone.

4. The reflective, heat-insulating and waterproof coating material as claimed in claim 1, wherein the antifreeze is one of ethylene glycol and glycerol.

5. The reflective, heat-insulating, and water-proofing coating of claim 1, wherein the heat-insulating material is preferably hollow ceramic microbeads.

6. The reflective, heat-insulating and waterproof coating as claimed in claim 1, wherein the titanium dioxide is a combination of rutile titanium dioxide and infrared reflective titanium dioxide.

7. The reflective, heat-insulating and waterproof coating as claimed in claim 1, wherein the portland cement is 425 white portland cement, and the quartz sand is 120-200 mesh ultra-white quartz sand.

8. The preparation method of the reflective heat-insulating waterproof coating material as claimed in claim 1, characterized by comprising the following steps:

(1) preparing a material A, namely weighing the components according to a formula ratio, adding the silicone-acrylic emulsion into a stirring kettle, beginning to disperse, adding the defoaming agent, stirring uniformly, adding the multifunctional auxiliary agent, stirring uniformly, adding the antifreezing agent, stirring uniformly, filtering and packaging to obtain the material A;

(2) and B material preparation, namely weighing the components according to the formula proportion, adding the portland cement into a mixer, stirring, adding the quartz sand, stirring uniformly, adding the titanium dioxide, stirring uniformly, adding the heavy calcium carbonate, stirring uniformly, adding the heat insulation material, stirring uniformly, continuously stirring until the mixture is completely dispersed uniformly to obtain mixed powder, and packaging to obtain the B material.

9. Use of the reflective, insulating and waterproof coating material according to claim 1 in waterproofing of buildings.

10. The application according to claim 9, wherein the specific using method of the application comprises the following steps:

weighing the materials A and B according to the weight ratio of 1:1, pouring the liquid material A into a stirring barrel, stirring, slowly pouring the powder material B into the stirred liquid material A, stirring until the powder material B is completely and uniformly dispersed, constructing, treating a construction base surface before construction, cleaning surface sundries, shoveling off a loose base layer, and constructing by adopting a smearing or spraying mode during construction, wherein the construction thickness is 1.2mm-1.5 mm.

Technical Field

The invention relates to a waterproof material for buildings, in particular to a waterproof coating with reflective heat-insulating property and a preparation method thereof.

Background

With the development of society and the lapse of time, more or less, the residential buildings and other functional buildings where people live have the phenomenon of leakage due to the aging of concrete, the destruction of structures and the settlement displacement. The solution we have generally adopted is to use waterproof materials to repair. The existing water-based waterproof paint mainly comprises a polymer emulsion waterproof paint and a polymer cement waterproof paint. The polymer emulsion waterproof paint is a single-component waterproof paint prepared by adding calcium carbonate, titanium dioxide and other fillers into acrylic ester homopolymerization emulsion, styrene-acrylic ester copolymerization emulsion, ethylene-vinyl acetate copolymerization emulsion, vinyl chloride-butadiene copolymerization emulsion and other emulsions, and has the defects of strong bonding force, high elongation and waterproof performance, poor water resistance, poor durability, easy embrittlement at low temperature and the like, and the decoration and the functionality are difficult to maintain. The polymer cement waterproof paint is commonly known as 'JS', and is a two-component waterproof paint which is composed of polyvinyl acetate-ethylene copolymer emulsion or polyacrylate emulsion as a base material and powder materials such as cement, quartz sand, coarse whiting and the like. The waterproof paint disclosed in patent numbers CN105218019B and CN104341134B has the advantages of excellent performance, simple construction, low cost, safety, environmental protection and the like, but is mainly suitable for waterproofing non-exposed surfaces such as kitchens, toilets and the like, and is limited in application and poor in weather resistance.

The existing buildings generally need an insulating layer and a waterproof layer, the insulating layer and the waterproof layer are constructed independently, most insulating layers have problems, and some materials are easy to absorb water and store water to form a water leakage source, so that water leakage of the buildings is caused, and even water leakage points cannot be found. Some heat-insulating layers have the defects of easy fire hazard and the like due to insufficient fire-resistant grade because of the problems of material quality and aging. If can keep warm and waterproof integration, then can simplify the construction process under the prerequisite of guaranteeing the function of using, reduce cost improves the effect, the later maintenance of also being convenient for. The acrylic waterproof heat-insulating coating mentioned in patent numbers CN107523174A and CN108285714A has both waterproof and heat-insulating properties, but the emulsion used in the coating cannot be exposed, a protective layer is required, mechanical properties such as strength and cohesive force are not good enough, the variety and particle size of the hollow heat-insulating particles are single, and the hollow heat-insulating particles cannot play a good heat-insulating role.

Disclosure of Invention

The purpose of the invention is as follows: aiming at the problems of single variety function, low heat insulation performance and environmental protection in the prior art, the invention provides a reflective heat-insulation waterproof coating, which adopts better weather-resistant silicone-acrylic emulsion to ensure the durability and weather resistance of the coating and can be exposed, adopts powder with the reflective heat-insulation performance to ensure the reflective heat-insulation performance, ensures that the coating has the advantages of reflective heat-insulation performance, waterproof performance, strong adhesive force, excellent heat reflection, heat insulation, water resistance, durability and the like, is green, environment-friendly, safe and energy-saving, and meets the application requirements in modern building engineering.

The invention also provides a preparation method and a using method of the reflective heat-insulating waterproof coating.

The technical scheme is as follows: in order to achieve the purpose, the reflective heat-insulating waterproof coating provided by the invention comprises two components of a material A and a material B, wherein the material A is a liquid material and is mainly prepared from the following raw materials in parts by weight: 98.5-99 parts of silicone-acrylate emulsion, 0.1-0.15 part of multifunctional additive, 0.1-0.4 part of defoaming agent and 0.1-1 part of antifreezing agent; the material B is a powder material and is mainly prepared from the following raw materials in parts by weight: 25-45 parts of Portland cement, 15-25 parts of titanium dioxide, 5-20 parts of ground limestone, 5-10 parts of heat insulation materials and 20-40 parts of quartz sand.

Wherein, the silicone-acrylate emulsion has the characteristics of high weather resistance, high water resistance, pollution resistance, environmental protection and the like.

Preferably, the multifunctional auxiliary agent is AMP-95 multifunctional auxiliary agent. Can prevent the pigment from being reunited and dispersed to reach the best, reduce the air bubbles in the coating and improve the comprehensive performance of the coating.

Wherein the defoaming agent is one or a mixture of two of vegetable oil and organic silicon.

Preferably, AGITAN271 is used as the vegetable oil defoaming agent, and AGITAN766 is used as the silicone defoaming agent.

Wherein the antifreezing agent is one of ethylene glycol and glycerol. According to the freeze injury mechanism of concrete, the antifreezing property of the coating is improved, the freeze-thaw resistance is improved, and the durability is improved.

Preferably, the heat insulating material is solid ceramic microbeads. The solid ceramic microspheres with the specific type of W-410 have the reflective heat-insulating property, and simultaneously reduce the viscosity and the internal stress of the product. The ceramic microspheres are extremely high temperature resistant, and can improve the strength of a paint film and the solid content of the paint.

Wherein, the titanium dioxide is a combination of rutile type titanium dioxide and infrared reflection titanium dioxide. The rutile type titanium dioxide is produced by a chloride process, and has excellent durability and covering power. The infrared reflection titanium dioxide has high reflectivity and high radiation function, thereby improving the reflective heat-insulating property of the coating.

Preferably, the portland cement is 425 white portland cement, and the quartz sand is 120-200 mesh ultra-white quartz sand.

Preferably, the ground calcium carbonate is 400-mesh ground calcium carbonate.

The preparation method of the reflective heat-insulating waterproof coating comprises the following steps:

(1) preparing a material A, namely weighing the components according to a formula ratio, adding the silicone-acrylic emulsion into a stirring kettle, beginning to disperse, adding the defoaming agent, stirring uniformly, adding the multifunctional auxiliary agent, stirring uniformly, adding the antifreezing agent, stirring uniformly, filtering and packaging to obtain the material A;

(2) and B material preparation, namely weighing the components according to the formula proportion, adding the portland cement into a mixer, stirring, adding the quartz sand, stirring uniformly, adding the titanium dioxide, stirring uniformly, adding the heavy calcium carbonate, stirring uniformly, adding the heat insulation material, stirring uniformly, continuously stirring until the mixture is completely dispersed uniformly to obtain mixed powder, and packaging to obtain the B material.

The reflective heat-insulating polymer waterproof coating disclosed by the invention is applied to waterproof building.

The application of the invention, the specific using method of the application comprises the following steps:

weighing the materials A and B according to the weight ratio of 1:1, pouring the liquid material A into a stirring barrel, stirring, slowly pouring the powder material B into the stirred liquid material, stirring until the powder material B is completely and uniformly dispersed, constructing, treating a construction base surface before construction, cleaning surface sundries, removing a loose base layer, and constructing by adopting a smearing or spraying mode during construction, wherein the construction thickness is 1.2mm-1.5 mm.

The reflective heat-insulating waterproof coating prepared from the silicone-acrylic emulsion serving as the base material and the powder with the functions of low heat conductivity coefficient, high light refractive index and high reflectivity has the characteristics of good elasticity, high bonding strength, water repellency, self-cleaning property, good waterproof effect, heat resistance, frost resistance, ultraviolet irradiation resistance, ageing resistance, heat preservation, heat insulation, no pollution and the like, and solves the problems of single function, low heat-insulating property and environmental protection of the conventional waterproof coating and water-based heat-insulating coating. The water-based environment-friendly coating integrating high weather resistance, waterproofness, reflection and heat insulation functions, prepared by the invention, has heat insulation performance, waterproof performance, construction performance and environment-friendly performance which all meet the standard requirements of related countries or industries and can be exposed for use.

Has the advantages that: compared with the prior art, the invention has the following advantages:

1. the invention adopts the waterproof emulsion and the functional powder to prepare the waterproof coating, so that the reflective heat-insulating property and the waterproof property are combined. The heat insulation and the water resistance are integrated, the construction cost is reduced, the construction steps are reduced, the efficiency is improved, the later maintenance is facilitated, and the performance reaches the standard requirement.

2. The waterproof coating adopts heat insulation materials such as infrared reflection titanium dioxide and solid ceramic microspheres, has easily obtained raw materials and small addition amount, can effectively block external heat conduction, has super heat insulation and heat insulation capability, reduces indoor temperature, and has reflection and heat insulation effects while resisting water.

3. According to the invention, white portland cement, rutile titanium dioxide, infrared reflection titanium dioxide and solid ceramic microspheres are used as powder parts, the powder is white material, and the white powder has the capability of reflecting sunlight, so that the indoor temperature is reduced, the defect of single color of the common polymer waterproof coating is overcome, and the water-based color paste can be added for color mixing and decoration according to application occasions.

4. The reflective heat-insulating waterproof coating material has the advantages that various indexes meet the national standard requirements, the ultraviolet resistance and waterproof function under the naked environment are realized by combining powder and liquid, and the reflective heat-insulating waterproof coating material has the characteristics of excellent weather resistance, strong ultraviolet resistance, strong stain resistance, high stability and high mechanical property strength. Solves the problems that the common polymer cement waterproof coating has poor weather resistance and can not be exposed.

5. The waterproof coating disclosed by the invention is simple to prepare, easily available in raw materials, capable of being widely produced and applied, free of large-scale machining, high in production efficiency, low in investment, convenient to construct, green, environment-friendly and pollution-free, and greatly reduces the labor cost.

Detailed Description

The following examples are further illustrated.

All raw materials of the invention are commercially available building materials or industrial auxiliary agents, and the commercially available conventional raw materials of the same type can be adopted.

The raw materials used in the following examples are as follows:

silicone-acrylate emulsion (Wuxi Heidesen chemical products Co., Ltd.)

AMP-95 multifunctional auxiliary agent (New material science and technology Co., Ltd. of Wuxi Redwood tree)

Defoaming agent: vegetable oils and silicones (Shanghai titanium industries Co., Ltd., type AGITAN271, AGITAN766)

The antifreeze is ethylene glycol (New material science and technology company of tin-free Taxus chinensis)

The antifreeze is glycerol (Jinan Haoran chemical technology limited company)

Titanium dioxide: rutile type titanium dioxide, Infrared reflective titanium dioxide (Suzhou Calysian New Material science and technology Co., Ltd.)

Portland cement: 425 white Portland Cement (Wenzhou Yuze building materials Co., Ltd.)

Ground calcium carbonate (grain size of 400 mesh, Huosu, Tuxin powder science and technology Co., Ltd.)

Heat insulation material: solid ceramic microbead (Shanghai lanxian chemical industry Co., Ltd., type W-410)

Quartz sand: ultra-white quartz sand (particle size of Wanchuan quartz development Co., Ltd., Heyuan, 120-