阅读说明：本技术 一种膏状瓷砖背胶、制备方法及其使用方法 (Paste ceramic tile back glue, preparation method and use method thereof ) 是由 郑永深 于 2019-10-30 设计创作，主要内容包括：本发明公开了一种膏状瓷砖背胶,所述背胶由以下重量份原料组成：丙烯酸乳液、乙烯基三甲氧基硅烷、增稠剂、PH调节剂、消泡剂、分散剂、防腐剂、羟丙基甲基纤维素、润湿剂、成膜助剂、除味剂、白石粉、滑石粉、石英粉、石英砂,本发明结构科学合理,使用安全方便,采用成膜助剂,使膏状瓷砖背胶更容易涂抹分散到瓷砖粘贴面,使膏状瓷砖背胶更容易涂抹,保证了涂抹的效果及有效性、涂抹的快速性,采用羟丙基甲基纤维素,其保水性能使浆料在涂抹后不会因干得太快而龟裂,保证其与水泥砂浆的有效结合并增强硬化后强度,而且,其作为缓凝剂也提高涂抹性和延长可操作时间,同样也有助于保证了涂抹的效果及有效性。(The invention discloses a paste ceramic tile back adhesive which is prepared from the following raw materials in parts by weight: the invention has scientific and reasonable structure and safe and convenient use, adopts the film-forming auxiliary agent to ensure that the paste ceramic tile back glue is easier to paint and disperse on the sticking surface of the ceramic tile, ensures the painting effect and effectiveness of the paste ceramic tile back glue and the painting rapidity, adopts the hydroxypropyl methyl cellulose and has the water retention property to ensure that slurry cannot crack due to too fast drying after being painted, ensures the effective combination of the slurry and the cement mortar and enhances the strength after hardening, and also improves the painting property and prolongs the operable time as a retarder and is also beneficial to ensuring the painting effect and effectiveness.)

1. The paste ceramic tile gum is characterized in that: the back adhesive is prepared from the following raw materials in parts by weight: acrylic emulsion, vinyl trimethoxy silane, a thickening agent, a pH regulator, a defoaming agent, a dispersing agent, a preservative, hydroxypropyl methyl cellulose, a wetting agent, a film forming auxiliary agent, a deodorant, white stone powder, talcum powder, quartz powder and quartz sand.

2. The paste tile gum of claim 1, wherein the gum comprises the following mixture ratio ranges: 36-44% of acrylic emulsion, 2.7-3.3% of vinyl trimethoxy silane, 0.54-0.66% of thickening agent, 0.135-0.165% of pH regulator, 0.18-0.22% of defoaming agent, 0.27-0.33% of dispersing agent, 0.36-0.44% of preservative, 0.36-0.44% of hydroxypropyl methyl cellulose, 0.18-0.22% of wetting agent, 0.36-0.44% of film-forming aid, 0.09-0.11% of deodorant, 4.5-5.5% of white stone powder, 4.5-5.5% of talcum powder, 4.5-5.5% of quartz powder and 40.5-49.5% of quartz sand.

3. The paste tile backsize according to claim 1 or 2, wherein the acrylic emulsion is a multiple copolymer emulsion comprising styrene, methyl methacrylate, vinyl acetate, methacrylic acid, isooctyl acrylate and silicone monomers.

4. The paste tile gum of claim 1 or 2, wherein the acrylic acid emulsion comprises the following components in percentage by mass: calculated by weight percentage, 27 to 33 percent of acrylic copolymer, 36 to 44 percent of silicon-acrylic copolymer and 27 to 33 percent of styrene-acrylic copolymer.

5. The paste tile back glue of claim 3, wherein the multi-component copolymer emulsion is a core-shell emulsion, the glass transition temperature of the core layer is 10-40 ℃, the glass transition temperature of the shell layer is-5-20 ℃, and the glass transition temperature of the emulsion is-20-0 ℃.

6. The paste tile backsize of claim 1 or 2, wherein said thickener is a copolymer of at least 2 monomers selected from the group consisting of acrylic acid, cellulose ether, and polyurethane.

7. A method of preparing a paste tile backsize according to any one of claims 1 to 6, comprising the steps of:

s1, uniformly mixing the white stone powder, the talcum powder, the quartz powder and the quartz sand in a stirrer to prepare dry powder for later use;

s2, adding the acrylic emulsion into a reaction kettle, fully stirring and heating, and slowly adding vinyl trimethoxy silane to enable the acrylic emulsion and the vinyl trimethoxy silane to fully react to prepare emulsion; then adding a thickening agent, a pH regulator, a defoaming agent, a dispersing agent, a preservative, hydroxypropyl methyl cellulose, a wetting agent, a film-forming assistant and a deodorant, and fully and uniformly stirring;

s3, putting the dry powder prepared in the step S1 into the emulsion prepared in the step S2, and fully stirring until the mixture is fine, uniform and free of particles to obtain a finished product of the ceramic tile back glue.

8. The method as claimed in claim 7, wherein the temperature of step S2 is raised to 75-85 ℃.

9. The use of the paste tile back glue according to any one of claims 1 to 8, wherein the prepared paste tile back glue is uniformly spread and scraped to the back of the tile, and the prepared cement mortar is spread and scraped to the back of the tile.

Technical Field

The invention relates to the technical field of tile glue, in particular to paste tile back glue, a preparation method and a use method thereof.

Background

Ceramic tiles are widely used decorative building materials, from ceramic tiles to glazed tiles, full-body tiles, ceramic chips, vitrified tiles, archaized tiles and stone-like tiles, to current thin plates, microcrystalline stones and full-glazed tiles, ceramic tile family technology is continuously updated, quality is continuously improved, patterns and colors are continuously innovated, and the ceramic tiles are used as ceramic tile pasting materials which are ceramic tile partners and are also continuously upgraded and updated correspondingly, from lime to cement and cement mortar, and then to current ceramic tile glue and ceramic tile back glue so as to meet the performance requirements of ceramic tile pasting;

the tile glue has obvious defects, the tile glue belongs to a semi-finished product and can be used only by adding water on site, the water cement ratio is uncontrollable, the fluctuation of the bonding strength is large, meanwhile, the unit price per square meter of tile glue is high, and the tile glue is difficult to bear by general customers, so that the phenomenon of blending cement and sand on site occurs, the effect of the tile glue is greatly reduced, and the problem which cannot be solved by the tile glue is just solved by the birth of the tile back glue;

the existing ceramic tile back glue on the market is usually emulsion type back glue, the principle of the emulsion type ceramic tile back glue is that the ceramic tile and the cement mortar are stuck by a physical sticking effect, the emulsion type ceramic tile back glue is used as an interface for sticking the ceramic tile and the cement mortar through the physical stickiness of a pressure sensitive adhesive and belongs to an organic flexible adhesive, although the emulsion type ceramic tile back glue does not need to be modulated on site during construction, the construction is convenient, and the water resistance, the heat resistance and the bonding strength are lower than those of the ceramic tile glue;

therefore, a new tile back glue with excellent performances such as construction convenience, water resistance, heat resistance, bonding strength, aging resistance, water seepage resistance and the like is needed to replace the defects of the existing emulsion type tile back glue.

Disclosure of Invention

The invention provides a paste ceramic tile back glue, a preparation method and a use method thereof, which can effectively solve the problem that the prior emulsion type ceramic tile back glue is required to be replaced by a novel ceramic tile back glue with various excellent performances such as convenient construction, water resistance, heat resistance, bonding strength, aging resistance, water seepage resistance and the like in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the paste ceramic tile back glue comprises the following raw materials in parts by weight: acrylic emulsion, vinyl trimethoxy silane, a thickening agent, a pH regulator, a defoaming agent, a dispersing agent, a preservative, hydroxypropyl methyl cellulose, a wetting agent, a film forming auxiliary agent, a deodorant, white stone powder, talcum powder, quartz powder and quartz sand.

According to the technical scheme, the back adhesive comprises the following components in proportion range: 36-44% of acrylic emulsion, 2.7-3.3% of vinyl trimethoxy silane, 0.54-0.66% of thickening agent, 0.135-0.165% of pH regulator, 0.18-0.22% of defoaming agent, 0.27-0.33% of dispersing agent, 0.36-0.44% of preservative, 0.36-0.44% of hydroxypropyl methyl cellulose, 0.18-0.22% of wetting agent, 0.36-0.44% of film-forming aid, 0.09-0.11% of deodorant, 4.5-5.5% of white stone powder, 4.5-5.5% of talcum powder, 4.5-5.5% of quartz powder and 40.5-49.5% of quartz sand.

According to the technical scheme, the acrylic emulsion is a multi-component copolymer emulsion and comprises styrene, methyl methacrylate, vinyl acetate, methacrylic acid, isooctyl acrylate and an organic silicon monomer.

According to the technical scheme, the olefine acid emulsion comprises the following components in percentage by mass: calculated by weight percentage, 27 to 33 percent of acrylic copolymer, 36 to 44 percent of silicon-acrylic copolymer and 27 to 33 percent of styrene-acrylic copolymer.

According to the technical scheme, the multi-component copolymerization emulsion is core-shell structure emulsion, the glass transition temperature of a core layer is 10-40 ℃, the glass transition temperature of a shell layer is-5-20 ℃, and the glass transition temperature of the emulsion is-20-0 ℃.

According to the technical scheme, the thickening agent is a copolymer of at least 2 monomers of acrylic acid, cellulose ether and polyurethane.

A preparation method of paste ceramic tile gum comprises the following steps:

s1, uniformly mixing the white stone powder, the talcum powder, the quartz powder and the quartz sand in a stirrer to prepare dry powder for later use;

s2, adding the acrylic emulsion into a reaction kettle, fully stirring and heating, and slowly adding vinyl trimethoxy silane to enable the acrylic emulsion and the vinyl trimethoxy silane to fully react to prepare emulsion; then adding a thickening agent, a pH regulator, a defoaming agent, a dispersing agent, a preservative, hydroxypropyl methyl cellulose, a wetting agent, a film-forming assistant and a deodorant, and fully and uniformly stirring;

s3, putting the dry powder prepared in the step S1 into the emulsion prepared in the step S2, and fully stirring until the mixture is fine, uniform and free of particles to obtain a finished product of the ceramic tile back glue.

According to the technical scheme, the temperature of the step S2 is raised to 75-85 ℃.

A method for using the back glue of the paste ceramic tile comprises the steps of uniformly coating and scraping the back glue of the prepared paste ceramic tile to the back of the ceramic tile, then coating and scraping the prepared cement mortar to the back of the ceramic tile, and paving and pasting.

Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure, safe and convenient use, adopts the film forming additive to ensure that the paste ceramic tile gum is easier to coat and disperse on the sticking surface of the ceramic tile, ensures that the paste ceramic tile gum is easier to coat, ensures the coating effect and effectiveness and the coating rapidity, adopts the hydroxypropyl methyl cellulose, ensures that the slurry can not crack because of drying too quickly after being coated, ensures the effective combination of the slurry and the cement mortar and enhances the strength after hardening, and also improves the coating performance and prolongs the operable time as the retarder, and is also beneficial to ensuring the coating effect and effectiveness.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic flow chart of the present invention;

FIG. 2 is a shear strength test chart of the present invention;

FIG. 3 is a drawing test chart of the present invention;

FIG. 4 is a graph of the original tensile test of the present invention;

FIG. 5 is a water pull resistance test chart of the present invention;

FIG. 6 is a heat pull resistance test chart of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.