阅读说明：本技术 一种具有抗菌防霉功效的陶瓷釉料及其制备方法和应用 (Ceramic glaze with antibacterial and mildew-proof effects and preparation method and application thereof ) 是由 李玲玲 于 2020-04-24 设计创作，主要内容包括：本发明属于陶瓷技术领域,公开了一种具有抗菌防霉功效的陶瓷釉料,采用长石、碱土金属碳酸盐、纳米银、氧化钇、抗菌剂和六偏磷酸钠进行有效配比,各组分在经复配后相互协同作用,所得的陶瓷釉料的有效成分高,将该陶瓷釉料经施釉、干燥、烧结后能使陶瓷釉层基体中均匀分布着纳米级抗菌剂,从而使得陶瓷釉层具有较强的抗菌性能,抗菌效果显著。本发明还公开了该陶瓷釉料的制备方法,通过将特定的无机抗菌剂和特定的有机抗菌剂复合,复合后的抗菌剂中,有机抗菌剂部分和无机抗菌剂部分彼此相互协同,相互影响,增强彼此的抗菌性能,在二者的协同作用下增强复合抗菌剂的抗菌性能,抗菌性能稳定,是一种具有长效型抗菌防霉功效的陶瓷釉料。(The invention belongs to the technical field of ceramics, and discloses a ceramic glaze with antibacterial and mildewproof effects, which is prepared by effectively proportioning feldspar, alkaline earth metal carbonate, nano silver, yttrium oxide, an antibacterial agent and sodium hexametaphosphate, wherein the components are compounded and then mutually act in a synergistic manner, the obtained ceramic glaze has high effective components, and after glazing, drying and sintering the ceramic glaze, the nano antibacterial agent can be uniformly distributed in a ceramic glaze layer matrix, so that the ceramic glaze layer has stronger antibacterial performance and obvious antibacterial effect. The invention also discloses a preparation method of the ceramic glaze, the specific inorganic antibacterial agent and the specific organic antibacterial agent are compounded, in the compounded antibacterial agent, the organic antibacterial agent part and the inorganic antibacterial agent part are mutually cooperated and mutually influenced to enhance the antibacterial performance of each other, and the antibacterial performance of the compound antibacterial agent is enhanced under the synergistic action of the organic antibacterial agent part and the inorganic antibacterial agent part, so that the ceramic glaze is stable in antibacterial performance and has long-acting antibacterial and mildew-proof effects.)

1. The ceramic glaze with the antibacterial and mildewproof effects is characterized by being mainly prepared from the following raw materials in parts by weight: 30-50 parts of feldspar, 40-80 parts of alkaline earth metal carbonate, 2-5 parts of nano silver, 0.1-2 parts of yttrium oxide, 0.1-2 parts of an antibacterial agent and 2-5 parts of sodium hexametaphosphate.

2. The ceramic glaze material as set forth in claim 1, which is prepared from the following raw materials in parts by weight: 40 parts of feldspar, 60 parts of alkaline earth metal carbonate, 3 parts of nano silver, 1 part of yttrium oxide, 1 part of antibacterial agent and 3.5 parts of sodium hexametaphosphate.

3. The ceramic glaze material as claimed in claim 1, wherein the antibacterial agent comprises a component A and a component B, wherein the component A is prepared by mixing nano zinc oxide, nano copper oxide and nano titanium dioxide, and the component B is prepared by mixing chitin, horseradish and milt.

4. The ceramic glaze according to claim 3, wherein the weight ratio of the component A to the component B is 1: (0.1-5).

5. The ceramic glaze material as claimed in claim 3, wherein the weight ratio of nano zinc oxide, nano copper oxide and nano titanium dioxide in the component A is 1:1: 2.

6. The ceramic glaze material as claimed in claim 3, wherein the weight ratio of chitin, horseradish and protamine bone white in the component B is 3:0.2: 0.3.

7. The ceramic glaze according to claim 1, wherein the alkaline earth metal carbonate comprises calcium carbonate and/or barium carbonate.

8. The preparation method of the ceramic glaze with the antibacterial and mildewproof effects is characterized by comprising the following steps:

(1) weighing the raw materials according to the raw material formula of the ceramic glaze material of any one of claims 1 to 7;

(2) preparing an antibacterial agent: wetting nano zinc oxide, nano copper oxide and nano titanium dioxide in water, dispersing into suspension, and grinding while stirring to obtain a component A; mixing chitin, horseradish and fish sperm bone white, stirring, and mixing to obtain component B; mixing the component A and the component B, grinding while stirring, and filtering and drying to obtain the antibacterial agent;

(3) mixing feldspar, nano silver and yttrium oxide, adding the antibacterial agent, sodium hexametaphosphate and alkaline earth metal carbonate obtained in the step (2), and mixing and ball-milling to obtain glaze slurry;

(4) and (4) firing the glaze slip obtained in the step (3) into a frit, and cooling to room temperature to obtain the ceramic glaze with the antibacterial and mildewproof effects.

9. The method according to claim 8, wherein the firing temperature is 800 to 1200 ℃; the firing time is 3-5 h.

10. Use of a ceramic glaze according to any one of claims 1 to 7 in the manufacture of a ceramic article.

Technical Field

The invention belongs to the technical field of ceramics, and particularly relates to a ceramic glaze with antibacterial and mildewproof effects, and a preparation method and application thereof.

Background

The ceramic tile is an important ceramic product, is mainly a building or decorative material obtained by grinding, mixing, pressing, glazing, sintering and other processes of metal oxide and semimetal oxide, and when the ceramic tile is applied to places such as hospitals, restaurants and the like and occasions such as kitchens, toilets and the like in families, particularly after the 'return to south' in the south, the traditional ceramic tile is easy to go mouldy and has poor antibacterial effect, and the health of human bodies can be harmed for a long time. Therefore, the ceramic products do not satisfy the general functions of traditional ceramic products such as beauty and durability, and more desirably have the functions of sterilization, disinfection, deodorization, etc.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the ceramic glaze with the antibacterial and mildewproof effects, the preparation method and the application thereof are provided, so that the surface of the ceramic product has excellent sterilization and mildewproof capabilities, and the sterilization effect is kept synchronous with the service life of the ceramic product.

In order to overcome the technical problems, the technical scheme adopted by the invention is as follows:

the ceramic glaze with the antibacterial and mildew-proof effects is mainly prepared from the following raw material components in parts by weight: 30-50 parts of feldspar, 40-80 parts of alkaline earth metal carbonate, 2-5 parts of nano silver, 0.1-2 parts of yttrium oxide, 0.1-2 parts of an antibacterial agent and 2-5 parts of sodium hexametaphosphate.

As a further improvement of the scheme, the ceramic glaze is mainly prepared from the following raw materials in parts by weight: 40 parts of feldspar, 60 parts of alkaline earth metal carbonate, 3 parts of nano silver, 1 part of yttrium oxide, 1 part of antibacterial agent and 3.5 parts of sodium hexametaphosphate.

As a further improvement of the scheme, the antibacterial agent comprises a component A and a component B, wherein the component A is formed by mixing nano zinc oxide, nano copper oxide and nano titanium dioxide, and the component B is formed by mixing chitin, horseradish and milt.

As a further improvement of the above scheme, the weight ratio of the component a to the component B is 1: (0.1-5).

As a further improvement of the scheme, the weight ratio of the nano zinc oxide to the nano copper oxide to the nano titanium dioxide in the component A is 1:1: 2.

As a further improvement of the scheme, the weight ratio of the chitin, the horseradish and the protamine bone white in the component B is 3:0.2: 0.3.

As a further refinement of the above aspect, the alkaline earth metal carbonate comprises calcium carbonate and/or barium carbonate.

The preparation method of the ceramic glaze with the antibacterial and mildewproof effects comprises the following steps:

(1) weighing the raw materials according to the raw material formula of the ceramic glaze material;

(2) preparing an antibacterial agent: wetting nano zinc oxide, nano copper oxide and nano titanium dioxide in water, dispersing into suspension, and grinding while stirring to obtain a component A; mixing chitin, horseradish and fish sperm bone white, stirring, and mixing to obtain component B; mixing the component A and the component B, grinding while stirring, and filtering and drying to obtain the antibacterial agent;

(3) mixing feldspar, nano silver and yttrium oxide, adding the antibacterial agent, sodium hexametaphosphate and alkaline earth metal carbonate obtained in the step (2), and mixing and ball-milling to obtain glaze slurry;

(4) and (4) firing the glaze slip obtained in the step (3) into a frit, and cooling to room temperature to obtain the ceramic glaze with the antibacterial and mildewproof effects.

The specific inorganic antibacterial agent and the specific organic antibacterial agent are compounded in the step (2), in the compounded antibacterial agent, the organic antibacterial agent part and the inorganic antibacterial agent part are mutually cooperated and mutually influenced to enhance the antibacterial performance of each other, and the antibacterial performance of the compound antibacterial agent is enhanced under the synergistic action of the organic antibacterial agent part and the inorganic antibacterial agent part, so that the ceramic product has stable antibacterial property, long antibacterial duration and low cost when being used in ceramic products such as ceramic tiles and the like, and the compound antibacterial agent also has a certain anti-mildew function and can meet the requirement of practical use.

As a further improvement of the scheme, the firing temperature is 800-1200 ℃; the firing time is 3-5 h.

Use of a ceramic glaze according to any one of the preceding claims in the manufacture of a ceramic article.

The invention has the beneficial effects that: the invention provides a ceramic glaze with antibacterial and mildew-proof effects, which is prepared by effectively proportioning feldspar, alkaline earth metal carbonate, nano silver, yttrium oxide, an antibacterial agent and sodium hexametaphosphate, wherein the components are compounded and then mutually act in a synergistic manner, the obtained ceramic glaze is high in effective component, and after glazing, drying and sintering the ceramic glaze, the nano antibacterial agent can be uniformly distributed in a ceramic glaze layer matrix, so that the ceramic glaze layer has strong antibacterial performance and an obvious antibacterial effect, and also has a certain mildew-proof function. The invention also provides a preparation method of the ceramic glaze with antibacterial and mildewproof effects, the specific inorganic antibacterial agent and the specific organic antibacterial agent are compounded, in the compounded antibacterial agent, the organic antibacterial agent part and the inorganic antibacterial agent part are mutually cooperated and mutually influenced to enhance the antibacterial performance of each other, and the antibacterial performance of the compound antibacterial agent is enhanced under the synergistic action of the organic antibacterial agent part and the inorganic antibacterial agent part, so that the antibacterial performance is stable, durable and low in cost. The invention has simple process, easily obtained raw materials and low cost, and the prepared ceramic glaze has stable antibacterial performance and strong antibacterial persistence, is a ceramic glaze with long-acting antibacterial and mildewproof effects, can meet the requirements of practical application, and has wide application prospect.

Detailed Description

The present invention is specifically described below with reference to examples in order to facilitate understanding of the present invention by those skilled in the art. It should be particularly noted that the examples are given solely for the purpose of illustration and are not to be construed as limitations on the scope of the invention, as non-essential improvements and modifications to the invention may occur to those skilled in the art, which fall within the scope of the invention as defined by the appended claims. Meanwhile, the raw materials mentioned below are not specified in detail and are all commercially available products; the process steps or extraction methods not mentioned in detail are all process steps or extraction methods known to the person skilled in the art.