阅读说明：本技术 防紫外辐射瓷砖胶料组合物、防紫外辐射瓷砖胶料及其制备方法和应用 (Anti-ultraviolet radiation ceramic tile sizing material composition, anti-ultraviolet radiation ceramic tile sizing material, and preparation method and application thereof ) 是由 刘青青 吴伟 于 2021-11-17 设计创作，主要内容包括：本发明涉及建筑材料领域,公开了防紫外辐射瓷砖胶料组合物、防紫外辐射瓷砖胶料及其制备方法和应用。该组合物中含有两者以上混合保存或各自独立保存的以下组分：硅酸盐水泥、填料、乳胶粉、促凝剂、纤维素醚、抗紫外线剂、氧化铁、滑石粉；所述抗紫外线剂选自二苯甲酮类抗紫外线剂中的至少一种。采用本发明的组合物制备得到的防紫外线瓷砖胶,具有优异的粘结性能、耐候性能以及抗紫外线性能。(The invention relates to the field of building materials, and discloses an ultraviolet radiation resistant tile sizing material composition, an ultraviolet radiation resistant tile sizing material, and a preparation method and application thereof. The composition contains the following components which are stored in a mixing way or independently: silicate cement, filler, latex powder, a coagulant, cellulose ether, an ultraviolet resistant agent, ferric oxide and talcum powder; the ultraviolet resistant agent is at least one of benzophenone ultraviolet resistant agents. The ultraviolet-proof tile glue prepared from the composition has excellent bonding performance, weather resistance and ultraviolet resistance.)

1. The ultraviolet radiation resistant tile sizing material composition is characterized by comprising the following components which are stored in a mixing way or independently:

silicate cement, filler, latex powder, a coagulant, cellulose ether, an ultraviolet resistant agent, ferric oxide and talcum powder;

in the composition, the content of the portland cement is 400 parts by weight, the content of the filler is 650 parts by weight, the content of the latex powder is 10-30 parts by weight, the content of the coagulant is 2-3 parts by weight, the content of the cellulose ether is 2-3 parts by weight, the content of the anti-ultraviolet agent is 2-3 parts by weight, the content of the iron oxide is 10-20 parts by weight, and the content of the talcum powder is 30-40 parts by weight;

the ultraviolet resistant agent is at least one selected from benzophenone ultraviolet resistant agents;

preferably, the content of the latex powder is 15-30 parts by weight.

2. The composition as claimed in claim 1, wherein said portland cement is selected from at least one of p.o42.5 portland cement, p.o52.5r portland cement; and/or the presence of a gas in the gas,

the latex powder is selected from at least one of styrene-acrylic latex powder, pure acrylic latex powder and EVA latex powder, and/or,

the coagulant is at least one of calcium formate and aluminate compound.

3. The composition of claim 1 or 2, wherein the filler has an average particle size of 125 μ ι η to 425 μ ι η, and is selected from at least one of quartz sand, calcium sand; and/or the presence of a gas in the gas,

the filler is prepared from the following components in percentage by weight of 1: 0.5-2.0 of quartz sand with the average grain diameter less than or equal to 200 mu m and calcium sand with the average grain diameter more than or equal to 300 mu m.

4. The composition as claimed in any one of claims 1 to 3, wherein the cellulose ether is at least one of cellulose ethers having a viscosity of 10000-30000 mPa.s; and/or the presence of a gas in the gas,

the anti-ultraviolet agent is at least one selected from 2-hydroxy-4-n-octoxy benzophenone and 2-hydroxy-4-methoxyl-5-sulfonic acid benzophenone.

5. The composition according to any one of claims 1 to 4, wherein the iron oxide has an average particle size of 125 μm to 180 μm; and/or the presence of a gas in the gas,

the average particle size of the talcum powder is 23-38 mu m.

6. A method of preparing an ultraviolet radiation resistant tile compound, the method comprising: mixing the components of the ultraviolet radiation resistant tile glue composition according to any one of claims 1 to 5; the step of mixing the components comprises:

(1) firstly mixing portland cement and a filler to obtain a mixture I;

(2) second mixing the mixture I with component A; the component A contains latex, a coagulant, cellulose ether, an ultraviolet resistant agent, ferric oxide and talcum powder.

7. The method according to claim 6, wherein in step (1), the first mixing condition at least satisfies: under the condition of stirring, the rotating speed of the stirring is 800-1200rpm, the temperature is 25-30 ℃, and the time is 4-6 min.

8. The method according to claim 6 or 7, wherein in step (2), the second mixing condition at least satisfies: under the condition of stirring, the rotating speed of the stirring is 800-1200rpm, the temperature is 25-30 ℃, and the time is 7-10 min.

9. An ultraviolet radiation resistant tile compound prepared by the process of any one of claims 6 to 8.

10. Use of the uv radiation resistant tile compound of claim 9 in building exterior materials.

Technical Field

The invention relates to the field of building materials, in particular to an ultraviolet radiation resistant tile sizing material composition, an ultraviolet radiation resistant tile sizing material, and a preparation method and application thereof.

Background

Exterior tiles are typically used to protect and decorate exterior walls for building exterior walls, and tile tiles are used to bond the tiles to the exterior walls using tile glue. Conventional ceramic tile glue receives the sunlight irradiation at the outer wall for a long time, and inside organic composition decomposes, and the ceramic tile glues bonding strength and descends, easily leads to falling the brick, still has great danger when influencing pleasing to the eye to later stage manual repair is with high costs.

CN106883689A discloses an ultraviolet-resistant exterior wall coating, which comprises 30-40% of a component A and 60-70% of a component B; the component A comprises the following raw materials in parts by weight: 80-90 parts of EVA emulsion and nano TiO₂30-60 parts of filler, 20-30 parts of compound adhesive, 2-10 parts of ultraviolet absorber, 2-8 parts of auxiliary agent and 50-60 parts of deionized water; the component B comprises the following raw materials in parts by weight: 80-90 parts of styrene-acrylic emulsion, 30-60 parts of waste glass iron praseodymium magnetic oxide composite powder, 20-30 parts of white portland cement, 2-10 parts of coloring pigment and 30-60 parts of deionized water. The prior art can absorb ultraviolet rays, has higher heat dissipation effect and weather resistance, but the bonding property of the ceramic tile is still to be improved.

CN102701693A discloses a waterproof facing brick jointing material, which comprises the following substances in percentage by weight: 55-60% of quartz sand, 8-12% of Portland cement, 20-22% of high-alumina cement, 5-7% of gypsum, 0.1-0.3% of cellulose ether, 2.5-3.3% of latex powder, 0.6-0.9% of water repellent and 0.6-1.2% of iron oxide pigment. The waterproof facing brick jointing material provided by the prior art has the characteristics of good waterproof performance, good flexibility, high bonding strength and strong air permeability, but does not have the capability of resisting ultraviolet rays.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a tile sizing material with excellent ultraviolet resistance, bonding performance and weather resistance.

In order to achieve the above object, a first aspect of the present invention provides an ultraviolet radiation resistant tile size composition, which comprises two or more of the following components stored in admixture or independently:

silicate cement, filler, latex powder, a coagulant, cellulose ether, an ultraviolet resistant agent, ferric oxide and talcum powder;

in the composition, the content of the portland cement is 400 parts by weight, the content of the filler is 650 parts by weight, the content of the latex powder is 10-30 parts by weight, the content of the coagulant is 2-3 parts by weight, the content of the cellulose ether is 2-3 parts by weight, the content of the anti-ultraviolet agent is 2-3 parts by weight, the content of the iron oxide is 10-20 parts by weight, and the content of the talcum powder is 30-40 parts by weight;

the ultraviolet resistant agent is at least one of benzophenone ultraviolet resistant agents.

A second aspect of the invention provides a method of preparing an ultraviolet radiation resistant tile compound, the method comprising: mixing the components of the ultraviolet radiation prevention tile glue composition in the first aspect; the step of mixing the components comprises:

(1) firstly mixing portland cement and a filler to obtain a mixture I;

(2) second mixing the mixture I with component A; the component A contains latex, a coagulant, cellulose ether, an ultraviolet resistant agent, ferric oxide and talcum powder.

In a third aspect of the invention, the ultraviolet radiation prevention tile sizing material prepared by the method in the second aspect is provided.

A fourth aspect of the present invention provides a use of the ultraviolet radiation prevention tile compound described in the third aspect in building exterior wall materials.

The invention provides a composition with good processing performance by adopting the combination of an ultraviolet resistant agent and ferric oxide with synergistic promotion effect and the auxiliary materials of Portland cement, filler, latex, coagulant, cellulose ether and the like in a certain weight ratio. The ultraviolet-proof tile glue prepared from the composition has excellent bonding performance, weather resistance and ultraviolet resistance.

The method for preparing the ultraviolet-proof ceramic tile sizing material provided by the invention has the advantages of simplicity and easiness in operation.

Detailed Description

The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give rise to one or more new ranges of values, which ranges of values should be considered as being advantageous herein.

As described above, the first aspect of the present invention provides an ultraviolet radiation resistant tile size composition, which contains two or more of the following components stored in a mixed manner or independently:

silicate cement, filler, latex powder, a coagulant, cellulose ether, an ultraviolet resistant agent, ferric oxide and talcum powder;

in the composition, the content of the portland cement is 400 parts by weight, the content of the filler is 650 parts by weight, the content of the latex powder is 10-30 parts by weight, the content of the coagulant is 2-3 parts by weight, the content of the cellulose ether is 2-3 parts by weight, the content of the anti-ultraviolet agent is 2-3 parts by weight, the content of the iron oxide is 10-20 parts by weight, and the content of the talcum powder is 30-40 parts by weight;

the ultraviolet resistant agent is at least one of benzophenone ultraviolet resistant agents.

In order to obtain the ceramic tile adhesive with better bonding property, the content of the latex powder is 15-30 parts by weight. Namely, the scheme comprises the following technical characteristics:

in the composition, the content of the portland cement is 400 parts by weight, the content of the filler is 650 parts by weight, the content of the latex powder is 15-30 parts by weight, the content of the coagulant is 2-3 parts by weight, the content of the cellulose ether is 2-3 parts by weight, the content of the anti-ultraviolet agent is 2-3 parts by weight, the content of the iron oxide is 10-20 parts by weight, and the content of the talcum powder is 30-40 parts by weight.

Preferably, the portland cement is at least one selected from the group consisting of p.o42.5 portland cement and p.o52.5r portland cement.

Preferably, the latex powder is at least one selected from styrene-acrylic latex powder, pure acrylic latex powder and EVA latex powder.

Preferably, the accelerator is selected from at least one of calcium formate, aluminate complex.

Preferably, the filler has an average particle diameter of 125 μm to 425 μm, and is selected from at least one of quartz sand and calcium sand.

Preferably, the filler is a mixture of 1: 0.5-2.0 of quartz sand with the average grain diameter less than or equal to 200 mu m and calcium sand with the average grain diameter more than or equal to 300 mu m. The inventor of the invention finds that under the preferable condition, the tensile bonding strength of the obtained ultraviolet radiation-proof tile adhesive is up to 0.77MPa after being irradiated by ultraviolet rays for 240 hours, the tensile bonding strength of the obtained ultraviolet radiation-proof tile adhesive is up to 0.84MPa after being aged by heat, and meanwhile, the tile adhesive has lower shrinkage rate.

Preferably, the cellulose ether is at least one of cellulose ethers having a viscosity of 10000-. More preferably, the cellulose ether is at least one of cellulose ethers having a viscosity of 10000-. The inventors of the present invention have found that the uv radiation protection tile compound obtained in this preferred case has better adhesive properties.

Preferably, the ultraviolet inhibitor is at least one selected from the group consisting of 2-hydroxy-4-n-octoxybenzophenone and 2-hydroxy-4-methoxy-5-sulfonic acid benzophenone.

Preferably, the average particle size of the iron oxide is 125 μm to 180 μm.

Preferably, the talc has an average particle size of 23 μm to 38 μm.

It should be noted that the method for preparing the ultraviolet radiation resistant tile compound is not particularly limited, and those skilled in the art can select the compound according to the technical means known in the art. However, the present invention provides a preferred embodiment for obtaining a two-component aqueous waterproof coating material having better adhesion and weather resistance. As previously mentioned, a second aspect of the invention provides a process for preparing an ultraviolet radiation protection tile compound, the process comprising: mixing the components of the ultraviolet radiation prevention tile glue composition in the first aspect; the step of mixing the components comprises:

(1) firstly mixing portland cement and a filler to obtain a mixture I;

(2) second mixing the mixture I with component A; the component A contains latex, a coagulant, cellulose ether, an ultraviolet resistant agent, ferric oxide and talcum powder.

The amount and kind of each component involved in the second aspect of the present invention are the same as the content and kind of the corresponding component described in the first aspect of the present invention, and are not described herein again, and those skilled in the art should not be construed as limiting the present invention.

According to a preferred embodiment, in step (1), the first mixing conditions at least satisfy: under the condition of stirring, the rotating speed of the stirring is 800-1200rpm, the temperature is 25-30 ℃, and the time is 4-6 min.

According to another preferred embodiment, in step (2), the second mixing condition at least satisfies: under the condition of stirring, the rotating speed of the stirring is 800-1200rpm, the temperature is 25-30 ℃, and the time is 7-10 min.

As previously mentioned, a third aspect of the present invention provides an ultraviolet radiation protection tile compound prepared by the method of the second aspect.

As previously mentioned, a fourth aspect of the present invention provides the use of the UV radiation protection tile compound of the third aspect in building exterior materials.

The present invention will be described in detail below by way of examples. In the following examples, various raw materials used are commercially available ones unless otherwise specified.

In the present invention, the room temperature is 25. + -. 2 ℃.

Portland cement:

portland cement I: p.o42.5 portland cement, available from nantong haichuan cement, inc.

And (2) portland cement II: p.o52.5r portland cement, available from nantong haichuan cement, inc.

Filling:

quartz sand I: the average particle size was 150 μm and was purchased from Guangdong Austin New Material Co., Ltd.

And (2) quartz sand II: the average particle size was 350 μm and was purchased from Guangdong Austin New materials Co.

Calcium sand I: the average particle size is 350 μm, and is purchased from Sanshuihuanchang construction materials Co., Ltd.

Calcium sand II: the average particle size is 150 μm, and is purchased from Sanshuihuanchang construction materials Co., Ltd.

Emulsion powder:

emulsion powder I: styrene-acrylic emulsion powder, reference DH7001, available from Ohan Limited, Oriental, Beijing.

Emulsion powder II: pure acrylic latex powder, under the designation DH7002, available from Ohan Co.

Setting accelerator: calcium formate, purchased from Henan Ding Xiang chemical products Co.

Cellulose ether:

cellulose ether I: viscosity: 15000mPa.s, from Meirenhua Industrial and trade company, Foshan.

Cellulose ether II: viscosity: 30000mPa.s, available from Onham GmbH, Ordok, Beijing.

Anti-ultraviolet agent:

anti-ultraviolet agent I: 2-hydroxy-4-n-octoxy benzophenone, No. 531, available from Ohan, Inc., Ordok, Beijing.

Anti-ultraviolet agent II: 2-hydroxy-4-methoxy-5-sulfonic acid benzophenone, designation 532, available from Onhan Limited, Beijing Oriental.

Anti-ultraviolet agent III: salicylates, trade name 046, available from Wuhan Carnoz technologies, Inc.

Anti-ultraviolet agent IV: triazine compounds, designated 1790, were purchased from Onhan, Oregand, Beijing.

Iron oxide: the average particle size was 150 μm and was obtained from Hongjin-sourced metals, Inc. of Sn-free commercial interest.

Titanium oxide: the average particle size is 15 μm, and is purchased from Zhengzhou Runtai chemical products Co.

Zinc oxide: the average particle size is 15 μm, and is purchased from Zhengzhou Runtai chemical products Co.

Talc powder: the average particle size was 30 μm and was obtained from Guangzhou high lift chemical raw materials, Inc.

Example 1

This example illustrates the formulation and processing parameters of the uv-protective tile size composition of the present invention, according to table 1, and as described below, the uv-protective tile size was prepared.

The preparation method of the ultraviolet radiation resistant tile sizing material comprises the following steps:

(1) firstly mixing portland cement and a filler at room temperature to obtain a mixture I;

the conditions of the first mixing are as follows: stirring at 800rpm for 5 min;

(2) at room temperature, carrying out second mixing on the mixture I and the component A to obtain an ultraviolet radiation resistant ceramic tile sizing material J1;

the conditions of the second mixing are as follows: stirring was carried out at 1000rpm for 7 min.

Example 2

Example 2 was carried out using the same procedure as example 1, except that in this example:

the formula and the process parameters of the adopted anti-ultraviolet radiation ceramic tile sizing material composition are different, and the formula and the process parameters are specifically shown in table 1.

Respectively preparing ultraviolet radiation resistant ceramic tile sizing material J2.

Example 3

This example prepared an ultraviolet radiation resistant tile compound using a formulation and method similar to example 1, except that: the same weight of cellulose ether I was replaced with cellulose ether II, and the rest of the conditions were the same as in example 1, to prepare an ultraviolet radiation resistant tile compound J3, see table 1 for details.

Example 4

This example prepared an ultraviolet radiation resistant tile compound using a formulation and method similar to example 1, except that: replacing the quartz sand I and the like by the weight ratio of 1: 1 quartz sand I and calcium sand I, and the rest of the conditions were the same as in example 1, to prepare an ultraviolet radiation resistant tile compound J4, see table 1 for details.

Example 5

This example prepared an ultraviolet radiation resistant tile compound using a formulation and method similar to example 4, except that: the using amount of the filler is 600g, and the weight ratio of the quartz sand I to the calcium sand I is 1: 4, the rest of the conditions were the same as in example 1, and a uv-blocking tile compound J5 was prepared, see table 1 for details.

Example 6

This example prepared an ultraviolet radiation resistant tile compound using a formulation and method similar to example 4, except that: replacing quartz sand I with quartz sand II in equal weight, replacing calcium sand I with calcium sand II in equal weight, and preparing the ultraviolet radiation resistant ceramic tile sizing material J6 by using the same conditions as the example 1, wherein the specific reference is given in Table 1.

Example 7

This example prepared an ultraviolet radiation resistant tile compound using a formulation and method similar to example 2, except that: the using amount of the latex powder is 30g, and the rest conditions are the same as those of example 2, so that the ultraviolet radiation resistant ceramic tile sizing material J7 is prepared.

Comparative example 1

This example prepared an ultraviolet radiation resistant tile compound using a formulation and method similar to example 1, except that: the ultraviolet radiation resistant tile sizing material DJ1 was prepared by replacing the equal weight of the ultraviolet resistant agent I with the ultraviolet resistant agent III and the other conditions were the same as in example 1, see Table 1 for details.

Comparative example 2

This example prepared an ultraviolet radiation resistant tile compound using a formulation and method similar to example 1, except that: the same weight of the anti-ultraviolet agent I was replaced with the anti-ultraviolet agent IV, and the rest conditions were the same as in example 1, to prepare the anti-ultraviolet radiation ceramic tile sizing DJ2, specifically referring to Table 1.

Comparative example 3

This example prepared an ultraviolet radiation resistant tile compound using a formulation and method similar to example 1, except that: the ultraviolet radiation resistant tile sizing material DJ3 was prepared by replacing equal weight of iron oxide with titanium oxide and the other conditions were the same as in example 1, see Table 1 for details.

Comparative example 4

This example prepared an ultraviolet radiation resistant tile compound using a formulation and method similar to example 1, except that: the same weight of ferric oxide and the like was replaced with zinc oxide, and the rest conditions were the same as in example 1, to prepare an ultraviolet radiation resistant tile sizing DJ4, see table 1 for details.

Test example 1

The following tests were carried out on the uv radiation resistant tile pastes prepared in the examples and comparative examples, and the specific test results are shown in table 2.

1. The tensile bonding strength, the tensile bonding strength after soaking in water, the tensile bonding strength after thermal aging, the tensile bonding strength after freeze-thaw cycle, the tensile bonding strength after air-drying for 20min and the tensile bonding strength after ultraviolet irradiation for 240h are all tested according to JCT 547-2017-ceramic tile adhesive-common cement adhesive C1 model.

TABLE 1

TABLE 1

TABLE 2

The results in table 2 show that the ultraviolet radiation resistant tile sizing material provided by the invention has excellent bonding performance, and still has good bonding performance after thermal aging, freeze-thaw cycling and ultraviolet irradiation.

The preferred embodiments of the present invention have been described above in detail, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention, including combinations of various technical features in any other suitable way, and these simple modifications and combinations should also be regarded as the disclosure of the invention, and all fall within the scope of the invention.