阅读说明：本技术 一种环保型水性隔音隔热内墙中层漆及其制备方法 (Environment-friendly water-based sound-insulation heat-insulation inner wall middle-layer paint and preparation method thereof ) 是由 陈华林 徐文军 于 2019-11-26 设计创作，主要内容包括：本发明提供的一种环保型水性隔音隔热内墙中层漆及其制备方法,其原料成分按重量份计为：12-18份丙烯酸乳液、0.3-0.6份成膜助剂、1-1.5份丙二醇、0.1-0.2份润湿分散剂、0.2-0.3份消泡剂、0.1-0.15份pH调节剂、0.1-0.2份杀菌剂、15-20份橡胶粉、0.3-0.6份玻璃纤维、15-20份填料、10-15份超细空心微珠、4-8份储能相变微胶囊、0.2-0.5份增稠剂、0.1-0.2份纤维素、20-30份石英砂、2-7.5份去离子水,从而使得制备出来的中层漆具有环保、低温稳定性、热储稳定性、耐碱性、粘结强度好、柔韧性高、隔音隔热效果好的性能。(The invention provides an environment-friendly water-based sound-insulation heat-insulation inner wall middle-layer paint and a preparation method thereof, wherein the paint comprises the following raw material components in parts by weight: 12-18 parts of acrylic emulsion, 0.3-0.6 part of film-forming assistant, 1-1.5 parts of propylene glycol, 0.1-0.2 part of wetting dispersant, 0.2-0.3 part of defoaming agent, 0.1-0.15 part of pH regulator, 0.1-0.2 part of bactericide, 15-20 parts of rubber powder, 0.3-0.6 part of glass fiber, 15-20 parts of filler, 10-15 parts of superfine hollow microsphere, 4-8 parts of energy storage phase change microcapsule, 0.2-0.5 part of thickener, 0.1-0.2 part of cellulose, 20-30 parts of quartz sand and 2-7.5 parts of deionized water, so that the prepared middle layer paint has the performances of environmental protection, low temperature stability, heat storage stability, alkali resistance, good bonding strength, high flexibility and good sound and heat insulation effects.)

1. An environment-friendly water-based sound-insulation heat-insulation inner wall middle layer paint is characterized by comprising the following raw material components in parts by weight: 12-18 parts of acrylic emulsion, 0.3-0.6 part of film-forming assistant, 1-1.5 parts of propylene glycol, 0.1-0.2 part of wetting dispersant, 0.2-0.3 part of defoaming agent, 0.1-0.15 part of pH regulator, 0.1-0.2 part of bactericide, 15-20 parts of rubber powder, 0.3-0.6 part of glass fiber, 15-20 parts of filler, 10-15 parts of superfine hollow microsphere, 4-8 parts of energy storage phase change microcapsule, 0.2-0.5 part of thickener, 0.1-0.2 part of cellulose, 20-30 parts of quartz sand and 2-7.5 parts of deionized water.

2. The environment-friendly aqueous sound and heat insulating inner wall middle layer paint as claimed in claim 1, wherein the acrylic emulsion is styrene/acrylate copolymer emulsion with elasticity.

3. The environment-friendly water-based sound and heat insulating inner wall middle layer paint as claimed in claim 2, wherein the film forming aid is 2,2, 4-trimethyl-1, 3-pentanediol monoisobutyrate.

4. The environment-friendly aqueous sound and heat insulating inner wall middle layer paint as claimed in claim 3, wherein the wetting dispersant is one or more selected from sodium polycarboxylate, ammonium polyacrylate, phosphate ester salt, polyoxyalkylene alkyl ether and alkyl aryl sulfonate.

5. The environment-friendly water-based sound and heat insulating inner wall middle layer paint as claimed in claim 4, wherein the defoaming agent is one or two of mineral oil and silicone defoaming agents, the pH regulator is a multifunctional amine regulator, and the effective component of the pH regulator is 95% of 2-amino-2-methyl-1-propanol aqueous solution.

6. The environment-friendly aqueous sound and heat insulating inner wall middle layer paint according to claim 5, wherein the bactericide is one or more of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one mixture, s-triazine and 1, 2-benzisothiazolin-3-one, and the thickener is a polyurethane thickener.

7. The environment-friendly water-based sound and heat insulating inner wall middle layer paint as claimed in claim 6, wherein the rubber powder is 150-200 mesh rubber powder, the filler is ground calcium carbonate, and the diameter of the ultrafine hollow microspheres is 55-75 microns.

8. The environment-friendly water-based sound and heat insulating inner wall middle layer paint as claimed in claim 7, wherein the energy storage phase change microcapsule comprises a capsule wall and a capsule core, the capsule wall is wrapped on the outer surface of the capsule core, and the capsule core is made of a phase change material.

9. The environment-friendly water-based sound and heat insulating inner wall middle layer paint as claimed in claim 8, wherein the cellulose is hydroxyethyl cellulose, and the quartz sand is natural quartz sand of 50-120 meshes.

10. A preparation method of environment-friendly water-based sound-insulation and heat-insulation inner wall middle layer paint is characterized by comprising the following steps:

s100, stirring and dispersing water, a wetting dispersant, a defoaming agent and propylene glycol in corresponding parts by weight for 5-8min at the rotating speed of 500-600r/min for later use;

s200, sequentially adding rubber powder, a filler, glass fiber, cellulose and a pH regulator in corresponding parts by weight into the step S100, and stirring and dispersing at a rotating speed of 1500r/min for 20-30min for later use;

s300, sequentially adding the corresponding parts by weight of acrylic emulsion, the film-forming aid, the bactericide and the thickener into the step S200, and then stirring at the rotating speed of 1000-1200r/min for 10-15min for later use;

s400, sequentially adding corresponding parts by weight of superfine hollow microspheres, energy storage phase change microcapsules and quartz sand into the step S300, and stirring at the rotating speed of 800-.

Technical Field

The invention relates to the technical field of coatings, in particular to an environment-friendly water-based sound-insulation and heat-insulation inner wall middle layer paint and a preparation method thereof.

Background

With the rapid development of the economy of China and the rapid improvement of the living standard of people, the environmental protection consciousness of the whole society is enhanced. Environmental-friendly new technologies and new materials are receiving more and more attention, and the materials with high pollution and high energy consumption are gradually eliminated. Noise pollution is a typical example, and is considered to be second to the third greatest public nuisance of atmospheric pollution and water pollution, and ubiquitous noise increasingly affects our daily life, so that noise control and blocking become an important problem to be solved at present, and generally, noise control is not limited to two methods: controlling vibration source and sound source, and blocking vibration and noise transmission. In the life, the vibration source and the sound source are objectively generated and cannot be avoided in many times, so that the transmission of vibration and noise is blocked to become the only feasible option, therefore, the use of the coating with the sound insulation function on the building wall becomes the key point of research and development, in addition, along with the popularization of the energy-saving concept, the building energy saving also becomes one of the key points of the energy-saving work of China, and the wall heat insulation coating is welcomed, so that the manufacture of the sound-insulation heat-insulation environment-friendly coating has important significance for the coating industry.

Disclosure of Invention

The invention mainly aims to provide an environment-friendly water-based sound-insulation and heat-insulation inner wall middle layer paint and a preparation method thereof, which not only have the sound-insulation characteristic, but also can effectively prevent heat conduction, so that the environment-friendly water-based sound-insulation and heat-insulation inner wall middle layer paint is more environment-friendly, saves wall materials, effectively improves the heat-insulation performance of a wall, can also create a quiet and comfortable environment, and can meet the requirements of people.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: an environment-friendly water-based sound-insulation heat-insulation inner wall middle layer paint comprises the following raw material components in parts by weight: 12-18 parts of acrylic emulsion, 0.3-0.6 part of film-forming assistant, 1-1.5 parts of propylene glycol, 0.1-0.2 part of wetting dispersant, 0.2-0.3 part of defoaming agent, 0.1-0.15 part of pH regulator, 0.1-0.2 part of bactericide, 15-20 parts of rubber powder, 0.3-0.6 part of glass fiber, 15-20 parts of filler, 10-15 parts of superfine hollow microsphere, 4-8 parts of energy storage phase change microcapsule, 0.2-0.5 part of thickener, 0.1-0.2 part of cellulose, 20-30 parts of quartz sand and 2-7.5 parts of deionized water.

Preferably, the acrylic emulsion is a styrene/acrylate copolymer emulsion having elasticity.

Preferably, the coalescing agent is 2,2, 4-trimethyl-1, 3-pentanediol monoisobutyrate.

Preferably, the wetting dispersant is one or more selected from sodium polycarboxylate, ammonium polyacrylate, phosphate ester, polyoxyalkylene alkyl ether and alkyl aryl sulfonate.

Preferably, the defoaming agent is one or two of a mineral oil type defoaming agent and a silicone type defoaming agent.

Preferably, the pH regulator is a multifunctional amine regulator, and the effective component of the pH regulator is a 95% 2-amino-2-methyl-1-propanol aqueous solution.

Preferably, the bactericide is one or more than two of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one mixture, s-triazine and 1, 2-benzisothiazolin-3-one.

Preferably, the thickener is a polyurethane-based thickener.

Preferably, the rubber powder is 150-200 mesh rubber powder.

Preferably, the filler is ground calcium carbonate.

Preferably, the ultrafine cenospheres have a diameter of 55 to 75 μm, in particular, microballoons expanded by softening the thermoplastic shell and increasing the gas pressure.

Preferably, the energy storage phase change microcapsule is a particle formed by wrapping a phase change material by a natural or synthetic polymer material, and comprises a capsule wall and a capsule core, wherein the capsule wall is wrapped on the outer surface of the capsule core, and the capsule core is made of the phase change material.

Preferably, the cellulose is hydroxyethyl cellulose.

Preferably, the quartz sand is natural quartz sand of 50-120 meshes.

A preparation method of environment-friendly water-based sound-insulation and heat-insulation inner wall middle layer paint is characterized by comprising the following steps:

s100, stirring and dispersing water, a wetting dispersant, a defoaming agent and propylene glycol in corresponding parts by weight for 5-8min at the rotating speed of 500-600 r/min;

s200, sequentially adding rubber powder, a filler, glass fiber, cellulose and a pH regulator in corresponding parts by weight into the step S100, and stirring and dispersing at a rotating speed of 1500r/min for 20-30 min;

s300, sequentially adding the corresponding parts by weight of acrylic emulsion, the film-forming aid, the bactericide and the thickener into the step S200, and then stirring at the rotating speed of 1000-1200r/min for 10-15 min;

s400, sequentially adding corresponding parts by weight of superfine hollow microspheres, energy storage phase change microcapsules and quartz sand into the step S300, and stirring at the rotating speed of 800-.

Compared with the prior art, the invention has the following advantages and beneficial effects:

(1) the environment-friendly water-based sound-insulation and heat-insulation inner wall middle layer paint has the characteristics of environmental protection, heat preservation, sound insulation and good heat insulation effects, and can effectively meet the requirements of people on living environments.

(2) The environment-friendly water-based sound-insulation heat-insulation inner wall middle layer paint has good adhesive force, so that the whole spraying construction process is simple and convenient to operate.

(3) The superfine hollow microspheres are microspheres with the diameter of 55-75 microns, and the hollow characteristic of the superfine hollow microspheres enables a vacuum wall with a vacuum cavity structure to be formed among spheres, so that the hollow microspheres have low heat conduction coefficient, can effectively prevent heat conduction and sound conduction, and further realize the functions of sound insulation and heat insulation.

(4) The polyurethane thickener is an association thickener newly developed in recent years, is water-soluble polyurethane with relatively low molecular weight, can effectively change the fluid characteristic of a coating system, and has thixotropy, thereby endowing the coating with good storage stability and application property.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

A preparation method of environment-friendly water-based sound-insulation and heat-insulation inner wall middle layer paint is characterized by comprising the following steps:

s100, stirring and dispersing water, a wetting dispersant, a defoaming agent and propylene glycol in corresponding parts by weight for 5-8min at the rotating speed of 500-600 r/min;

s200, sequentially adding rubber powder, a filler, glass fiber, cellulose and a pH regulator in corresponding parts by weight into the step S100, and stirring and dispersing at a rotating speed of 1500r/min for 20-30 min;

s300, sequentially adding the corresponding parts by weight of acrylic emulsion, the film-forming aid, the bactericide and the thickener into the step S200, and then stirring at the rotating speed of 1000-1200r/min for 10-15 min;

s400, sequentially adding corresponding parts by weight of superfine hollow microspheres, energy storage phase change microcapsules and quartz sand into the step S300, and stirring at the rotating speed of 800-.