KR100520434B1 - multi-functional sanitary ware and process for the preparation thereof - Google Patents

Abstract

A multifunctional sanitary ware having a radiation, antibacterial, antifungal and deodorizing function of far-infrared rays and anions, and a manufacturing method thereof, comprising: a sanitary ware main body manufactured with a sanitary ware; A glaze layer formed on the sanitary ware main body and containing ocher, natural anion powder, and silver (Ag) inorganic antimicrobial agent; And a sanitary ware formed on top of the glaze layer and having a surface layer coated with titanium dioxide, a photocatalyst, and (a) forming a sanitary ware body to manufacture a sanitary ware body. (b) applying an glaze containing ocher, natural anion powder and silver (Ag) inorganic antimicrobial agent on the main body of the sanitary ware; (c) a primary firing step of firing the glaze-coated sanitary ware main body at a firing temperature of 1200 to 1250 ° C. for a firing time of 14 to 17 hours; (d) applying a titanium dioxide photocatalyst to the surface of the fired sanitary ware main body; And (e) a secondary firing step of firing the sanitary ware main body to which the photocatalyst is applied for a firing time of 25 to 35 minutes at a firing temperature of 600 to 750 ° C.

Description

Multi-functional sanitary ware and process for manufacturing thereof

The present invention relates to a multifunctional sanitary ware and a method for producing the same, and more particularly, to a multifunctional sanitary ware having a radiation, antibacterial, antifungal and deodorizing function of far infrared rays and anions, and a manufacturing method thereof.

Sanitary ware is made by applying glaze to three kinds of materials such as Yonghwa Lipid, Cosmetic Lipid and Hard Lipid. The color is colored by glaze and mostly white. In terms of its type, KSL-1551 prescribes toilets with toilets, trapped toilets, siphon jet toilets, western toilets, urinals, stall toilets, washbasins, centuries and bathtubs. As such, sanitary ware is closely related to our lives, and in particular, it can be in contact with the human body, and there are many cases in which a lot of bacteria and the like are inhabited.

Various kinds of bacteria inhabit our daily lives, and innumerable kinds of bacteria threaten our human beings, from various kinds of vessels to various foods that sustain our lives. It is attacking, and in particular, hygiene ware such as toilet bowls or toilet bowls are attacked by infested bacteria, causing unwanted diseases.

In order to solve this problem, some sanitary ware having antibacterial function has been proposed, but the function has not been faithfully performed, and sanitary ware having other beneficial functions besides antibacterial function has not been proposed yet. .

Accordingly, the present inventors have completed a multi-functional sanitary ware having a negative ion and far-infrared radiation, antibacterial, anti-fungal and deodorizing functions and a manufacturing method thereof so as to give a beneficial effect on the user's human body, thus leading to the present invention. will be.

Therefore, the technical problem to be achieved by the present invention is to provide a multifunctional sanitary ware having a function such as radiation of anion and far-infrared radiation, antibacterial, anti-fungal and deodorizing and a method of manufacturing the same.

In order to achieve the above technical problem, the present invention

A sanitary ware body manufactured with a sanitary ware base;

A glaze layer formed on the sanitary ware main body and containing ocher, natural anion powder, and silver (Ag) inorganic antimicrobial agent; And

It is formed on top of the glaze layer, and provides a multi-functional sanitary ware, consisting of a surface layer coated with titanium dioxide, a photocatalyst.

In addition, the present invention provides a manufacturing method of the multi-functional sanitary ware as another technical problem, the manufacturing method

(a) forming a sanitary ware body to produce a sanitary ware body;

(b) applying an glaze containing ocher, natural anion powder and silver (Ag) inorganic antimicrobial agent on the main body of the sanitary ware;

(c) a primary firing step of firing the glaze-coated sanitary ware main body at a firing temperature of 1200 to 1250 ° C. for a firing time of 14 to 17 hours;

(d) applying a titanium dioxide photocatalyst to the surface of the fired sanitary ware main body; And

(e) a secondary firing step of firing the sanitary ware main body to which the photocatalyst is applied is fired at a firing temperature of 600 to 750 ° C. for a baking time of 25 to 35 minutes.

In the production method according to the present invention as described above, it is preferred that 20 to 30% by weight of ocher, 3 to 10% by weight of natural anion powder and 2 to 4% by weight of silver (Ag) inorganic antimicrobial agent are added to the glaze.

In the production method according to the present invention as described above, the titanium dioxide photocatalyst is coated using 5 to 30% by weight aqueous solution of anatase crystalline titanium dioxide sol photocatalyst having 1 to 5 mol% of silver (Ag) supported thereon. It is preferable to make.

Hereinafter, a multifunctional sanitary ware according to the present invention and a manufacturing method thereof will be described in detail.

1 is a diagram showing the layer configuration of the multi-functional sanitary ware manufactured according to the present invention, the sanitary ware according to the present invention, the sanitary ware main body 1 is manufactured by using the sanitary ware possession, the sanitary ware main body ( Glaze layer 2 containing ocher, natural anion powder, and silver (Ag) inorganic antimicrobial agent prepared by coating on top of 1) and baking; And a surface layer 3 formed by firing the glaze layer 2 applied to the sanitary ware main body 1 and coating the titanium dioxide photocatalyst thereon and then firing again.

The sanitary ware main body 1 is generally manufactured using a technique well known in the sanitary ware manufacturing field, and can be used without particular limitation. In other words, the sanitary ware base material is formed by a high pressure molding method using a mold made of plaster. The sanitary ware main body 1 is manufactured by the method of drying after shape | molding.

In addition, the natural anion powder contained in the glaze layer 2 means a powder in which one or more minerals that emit anions are mixed. As an anion emitting mineral used to prepare a natural anion powder, illite and tourmaline Known minerals that emit anions, such as xenotimes, zeolites, and elvan, can be widely used without limitation.

In addition, the silver (Ag) inorganic antimicrobial agent contained in the glaze layer (2) is an off-white powder, an inorganic antimicrobial containing zirconium phosphate-based silver (Ag) ions exhibits an effect on a wide range of bacteria, yeast and environmental pollution Inorganic antimicrobial agent with very low toxicity and excellent effect for a long time. Especially, silver (Ag) inorganic antimicrobial agent is able to maintain antimicrobial activity even at the firing temperature of more than 1200 ℃. It is most suitable for products requiring high temperature firing such as sanitary ware. Do.

Titanium dioxide, which is a photocatalyst that forms the surface layer 3 formed on the glaze layer 2 of the sanitary ware main body 1, is formed in the form of a photocatalyst thin film by spray-coating titanium dioxide sol, in particular, silver (Ag) It is preferable to form a photocatalyst thin film by spray coating a 1-5 mol% supported anatase crystalline titanium dioxide sol (Sol).

Subsequently, a flowchart of a method of manufacturing a multifunctional sanitary ware according to the present invention will be described in detail with reference to FIG. 2.

The manufacturing method of the multi-functional sanitary ware according to the present invention is a sanitary ware main body manufacturing step (S10) to form a sanitary ware main body by molding the sanitary ware holder, ocher, natural anion powder and silver (Ag) based on the main body of the sanitary ware Glaze application step (S20) for applying the glaze containing inorganic antimicrobial agent, primary firing step (S30) for firing the sanitary ware body coated with glaze, photocatalyst for applying a titanium dioxide photocatalyst on the surface of the fired sanitary ware body The second application step (S40) and the second firing step (S50) for firing the sanitary ware main body to which the photocatalyst is applied.

First, the sanitary ware main body manufacturing step (S10) is a step that is commonly used in the conventional sanitary ware manufacturing, if specifically, it can be divided into design step, gypsum molding step, sanitary ware main body forming step.

The design step refers to a step of designing the design of the model using CAD / CAM, the gypsum forming step is a method of curing and demolding by mixing the gypsum and water and then vacuum-stirring and injection molding the gypsum mixed with water This means a step of manufacturing a mold, and the sanitary ware main body forming step means the injection molding and drying of the base of the sanitary ware mainly composed of clay and kaolin.

In the molding method, since the sanitary ware is made by slip casting, physical properties that are completely different from those of raw materials used for tiles, ceramics, etc. are required. In particular, the raw materials used for holding should have good injection ability and vanity, but considering the productivity, the fleshing ability should be high, and also suitable plasticity is required for yield improvement and stability.

The next step is a glaze application step (S20) of applying the glaze containing ocher, natural anion powder and inorganic antimicrobial agent on the top of the sanitary ware body manufactured in the sanitary ware body manufacturing step (S10) as described above.

The glaze application step (S20) is a mixture of ocher, natural anion powder and inorganic antimicrobial to a general glaze consisting of raw ore, such as silica, feldspar, and ZnO, ZrSiO ₄ and spraying the glaze mixed with these functional raw materials It means the step of applying using.

In the application of glazes containing ocher, natural anion powders and inorganic antibacterial agents, any application method used in the manufacture of general sanitary ware can be applied. Particularly, in the present invention, when glaze is applied to the sanitary ware, specific gravity 1750-1850 is applied. The oil is applied with a thickness of 0.5 to 1.0 mm and the number of oils is characterized by being applied by a third order.

The mixing ratio of the loess is preferably 20 to 30% by weight, and the mixing ratio of the natural anion powder may be 3 to 10% by weight. In addition, silver (Ag) -based inorganic antimicrobial agent may be added to 2 to 4% by weight to maintain the antimicrobial activity even at high temperature firing, it is possible to exhibit more than 90% antimicrobial activity.

After the glaze application step (S20) and the next step is the first finished product firing step (S30). The first firing step (S30) is a firing temperature of 1200 ~ 1250 ℃ in a kiln in the form of a tunnel in which the glaze containing ocher, natural anion powder and inorganic antimicrobial agent is applied to the sanitary ware main body in the glaze applying step (S20). It means the step of firing for a firing time of 14 to 17 hours.

Next, the photocatalyst application step (S40) of applying a titanium dioxide photocatalyst on the surface of the fired sanitary ware goes through a step, which is subjected to the first firing step (S30) to the upper glaze layer of the fired sanitary ware body. Coating the titanium dioxide photocatalyst.

The titanium dioxide photocatalyst is an anatase crystalline sol (Sol) loaded with 1 to 5 mol% of silver (Ag), having a particle diameter of 5 to 10 nm and a pH of 2 ± 0.5, and usually having a concentration of 10 to 20% by weight of the stock solution. It is preferable to use.

The photocatalyst is uniformly coated with a fine thin film on the surface of the sanitary ware to exhibit an optical function, and at this time, the coating amount is about 10 to 20 gr / m 2.

Subsequently, the sanitary ware according to the present invention is completed after the secondary firing step S50 of firing the titanium dioxide coated sanitary ware main body at a firing temperature of 650 to 750 ° C. for a calcination time of 25 to 35 minutes.

Sanitary ware according to the present invention is designed to generate a large amount of anions beneficial to the human body by the far-infrared radiation by ocher and natural anion powder, and using silver (Ag) inorganic antimicrobial agent in addition to the main functions of such far-infrared radiation and anion generation It has antibacterial and antifungal function that kills bacteria and fungi without losing antimicrobial power for a long time from harmful environment exposed to daily life.

In addition, due to the titanium dioxide photocatalyst coated on the top surface layer has a sanitary ware according to the present invention has a deodorizing function to maintain a healthy and clean life from odors harmful to the human body generated in public toilets and toilets and bathrooms .

Therefore, unlike the current sanitary ware which is exposed unprotected from the toilet bowl of the toilet, by using the sanitary ware according to the present invention from the harmful factors, it is possible to lead a more clean and hygienic life.

Hereinafter, the present invention will be described in more detail with reference to the following examples. It is apparent that the present invention is not limited by the examples described below.

<Example 1>

Sanitary ware manufacturing

Sanitary ware subsidiary materials are first ground to a size of 30 ~ 50mm using a crusher and then secondly to 10 ~ 30mm. The pulverized raw materials are transferred to the storage for each raw material, and then automatically weighed and mixed through a ball mill to be pulverized for 20 hours. The sanitary ware main body is manufactured by injection molding in which the pulverized body slip is excavated with a vibrating body and aged for 4 to 5 days, followed by injection molding the body slip into a gypsum mold. The sanitary ware main body manufactured in this way is dried and then turned over to a see-through part.

In the oil part, the glaze raw material is automatically weighed and ball milled and then excavated to adjust the physical properties and supply the glaze. The sanitary ware main body is automatically transferred by the conveyor belt, and in this way, the oil part is sprayed on the sanitary ware main body three times using a spray gun. The mark is attached to the coated glaze and is loaded on a trolley, and then transferred to a kiln. In this embodiment, 25 wt% of yellow clay, 3 wt% of natural anion powder, 3 wt% of silver (Ag) -based inorganic antibacterial agent are used. Added glazes were used.

The glaze-coated sanitary ware main body was fired for 1230 ° C. and a firing time of 16 hours in a kiln in a tunnel form.

Subsequently, the anatase crystalline Sol (Sol) supported by 1 to 5 mol% of silver (Ag) has a particle size of 5 to 10 nm and a pH of 2 ± 0.5 and usually has a concentration of 10 to 20 wt% of the stock solution. After coating with a coating amount of about ㎡, a baking temperature of 650 ℃, baked for 30 minutes to prepare a multi-functional sanitary ware having far-infrared and anion generation, antibacterial, anti-fungal and deodorizing function according to the present invention.

<Example 2>

Specimen of the multi-functional sanitary ware having far-infrared and anion generation, antibacterial, anti-fungal and deodorizing functions according to the present invention prepared in Example 1 was commissioned by the Korea Institute of Construction Materials' Far-Infrared Application Evaluation Center for far-infrared emissivity, negative ion release, antibacterial activity, Test results of measuring the antifungal and deodorizing power is shown in Table 1 to Table 5 below.

Far Infrared Emissivity Test Report

Emissivity (5-20㎛) Room energy (W / ㎡) 0.907 3.66 x 10 ²

The results in Table 1 were tested at 40 ° C. according to the request of the client, and the results of the measurement were compared with those of the black body using the FT-IR Spectrometer. According to the measurement results, the multifunctional sanitary ware manufactured in Example 1 had a far-infrared radiation function. Could know.

Anion Release Test Report

Item Negative ion (ion / cc) Negative ion generating sanitary ware 998

Table 2 was tested at KICM-FIR-1042 test equipment, test equipment of charge particle measuring equipment, temperature 24 ℃, humidity 55%, and anion water 78ea / cc at the Korea Institute of Construction Materials Application Evaluation Center. It is a result of measuring the anion released from the measurement object in terms of the number of ions per unit volume, it can be seen that the multifunctional sanitary ware prepared in Example 1 indicates that there is a large amount of anion release function.

Antimicrobial Test Report

Test Items Sample Classification Initial concentration (CFU / 40p) Concentration after 24 hours (CFU / 40p) Bacterial Reduction (%) Antibacterial test by E. coli Blank 328 914 - Sanitary ware (2% inorganic antibacterial) 328 12 98.7 Antibacterial test by Pseudomonas aeruginosa Blank 288 768 - Sanitary ware (2% inorganic antibacterial) 288 10 98.7

Table 3 shows the results of the antimicrobial test obtained by the test method of KICM-FIR-1002 and strains Escherichia coli ATCC 25922 and Pseudomonas aeruginosa ATCC 15442 at the Korea Institute of Construction Materials Application Evaluation Center. According to the increase in bacteria, but the specimen of the multi-functional sanitary ware prepared in Example 1 showed a reduction rate of 98.7% bacteria was found to be excellent antibacterial effect. Here, CFU, the unit of concentration, means Colony Forming Unit and 40p means 0.04 mL.

Antifungal test report

Sample Name Test Items Period of culture test Sanitary ware (photocatalyst coating) Antifungal test 1 week later after 2 weeks 3 weeks later 4 weeks later 0 0 0 0

Table 4 shows the results of the antifungal test obtained by the test method of ASTM G-21 and 5 strains of fungal strains at the Far Infrared Ray Evaluation Center, Korea Institute of Construction Materials, and as a result of the culture test, the growth of bacteria in the sample over time. It is read that this does not appear, indicating that the multifunctional sanitary ware prepared in Example 1 has an antifungal function.

Deodorization test report

Test Items Elapsed time (minutes) BLANK concentration (ppm) Sample concentration (ppm) Deodorization rate (%) Formaldehyde test 30 35 12 65.7 60 31 10 67.7 90 26 8 69.2 120 21 6 71.4

Test Items Elapsed time (minutes) BLANK concentration (ppm) Sample concentration (ppm) Deodorization rate (%) Ammonia Deodorization Test 30 47 7 85.1 60 43 5 88.4 90 38 3 92.1 120 33 2 93.9

Tables 5a and 5b show the results of the deodorization test by applying two types of test method and test gas of KICM-FIR-1085 at the Korea Institute of Construction Materials Application and Evaluation Center for KICM-FIR-1085. In addition, ammonia and formaldehyde were injected into an acrylic box [760 × 220 × 220mm] equipped with a UV lamp according to the request of the client, and the result was a result of measuring the concentration of gas over time. It can be seen that the sanitary ware prepared in Example 1 has a deodorizing power according to the result.

<Example 3>

Anion generation self measurement test 1

      As described above, the number of negative ions released from the sanitary ware was measured using a grounding type ion tester for the sanitary ware manufactured by Example 1 according to the present invention. The results are shown in Table 6 below.

                Classification Measurement Count Negative ion generator General sanitary ware Anion count (ion / cc) Anion count (ion / cc) One 1,848 272 2 1,855 300 3 1,874 600 4 1,876 384 5 1,878 384 6 1,857 410 7 1,848 200 8 1,875 300 9 1,760 530 10 1,885 480 Average count (ion / cc) (excluding max min) 1,863 382 Remarks  * Self-measurement using grounded negative ion tester

In the test results measured in Table 6, the anion-generating sanitary ware was released on average 1,863ion / cc of anion, which is about 5 times as compared to the general sanitary ware containing no natural anion powder. Can be.

This should be taken into account that the measuring device of the amount of negative ions generated is a grounding tester. When measuring the amount of negative ions generated in a general household, 0-200ion / cc of negative ions are generated in the sanitary ware manufactured according to Example 1 above. Since the negative ions are directly related to the human body, the user's human physiology may be improved as well as the body may have an effect of promoting metabolism.

<Example 4>

Negative ion generation test 2

     In the same manner as in Example 1, an anion generating sanitary ware according to the present invention was prepared, but in Example 4, the addition of natural anion powder in order to measure the number of anions generated according to the addition ratio of the natural anion powder After preparing the specimen while adjusting the content to 10% by weight, the results of the test itself are shown in Table 7 below.

                     Classification Addition Ratio Sanitary ware Number of Negative Ions (ion / cc) 0% by weight (general sanitary ware) 382 3 wt% 1,863 5 wt% 2,094 7 wt% 2,397 10% by weight 2,818 Remarks  * The number of negative ions measured above is the average value except the maximum minimum value among 10 measurements.

Table 7 shows that the number of generation of anions is also increased according to the addition ratio of the natural anion powder. In the general sanitary ware containing no natural anion powder, an average of 382ion / cc anion is generated in consideration of the inorganic material, but when 3 wt% or more is added, the number of anions is significantly increased. The use of a sanitary sanitary ware facilitates the metabolism of the human body and maintains an optimal condition.

      In addition, the negative ions generated above help our body to smoothly absorb oxygen and nutrients, facilitate the discharge of waste products, and activate cells. In other words, by improving the physiology of the human body will act to increase the natural healing power that humans originally have. And it is pure, high-quality air that does not pollute and plays a role in mitigating various diseases caused by the recently increasing harmful environment.

      As described above, the present invention provides a multifunctional sanitary ware adding not only far-infrared rays and negative ions, but also antibacterial, antifungal and deodorizing functions. Can be.

      On the other hand, the sanitary ware according to the present invention is manufactured to have an anion generating function by applying a natural anion powder, which is a powder obtained by pulverizing one or more natural minerals known to generate negative ions to the glaze of the sanitary ware, a large amount generated in the sanitary ware Negative ions help the human tissue to enhance the body's resistance to various diseases, promote metabolism, and help daily life in a clean environment at all times.

      In addition, by adding a silver (Ag) inorganic antimicrobial agent to the glaze sanitary ware according to the present invention, the hygiene according to the present invention does not lose the antimicrobial activity even at a firing temperature of 1200 ~ 1250 ℃ and maintains the antimicrobial activity even for a long time Multifunctional hygiene, which protects the human body from various germs harmful to the human body and contributes to our healthy life, considering the characteristics of the sanitary ware that directly contacts the human body by adding functions that cannot inhabit various bacteria and molds Pottery.

      Finally, the sanitary ware according to the present invention is not only helpful to the growth of bacteria and molds by coating a titanium dioxide photocatalyst containing silver (Ag) on the surface of the sanitary ware body, which is one of the characteristics of the photocatalyst. The deodorizing function protects the human body from odors and harmful gases in the space where sanitary ware is applied, and helps to live daily life in a comfortable environment.

1 is a diagram showing the layer configuration of the multifunctional sanitary ware manufactured according to the present invention.

Figure 2 is a flow chart for the manufacturing step for manufacturing a multifunctional sanitary ware according to the present invention.

Explanation of symbols on main parts of drawing

1: Sanitary ware main body made of possession

2: glaze layer

3: surface layer

Claims (4)

A sanitary ware body manufactured with a sanitary ware base; It is formed on the upper part of the sanitary ware main body, silver (Ag) system containing any one or more mineral powder selected from elite, tourmaline, genotime, zeolite, elvan, and zirconium phosphate-based silver ions as loess, natural anion powder Glaze layer containing an inorganic antimicrobial agent; And A multifunctional sanitary ware, which is formed on the glaze layer and comprises a surface layer coated with titanium dioxide, a photocatalyst. (a) forming a sanitary ware body to produce a sanitary ware body; (b) a silver (Ag) system containing any one or more mineral powders selected from elite, tourmaline, genotime, zeolite and elvan, as a natural anion powder, and zirconium phosphate-based silver ions on the main body of the sanitary ware; Applying an glaze containing an inorganic antimicrobial agent; (c) a primary firing step of firing the glaze-coated sanitary ware main body at a firing temperature of 1200 to 1250 ° C. for a firing time of 14 to 17 hours; (d) applying a titanium dioxide photocatalyst to the surface of the fired sanitary ware main body; And (e) a secondary firing step of firing the sanitary ware main body to which the photocatalyst is applied is fired at a firing temperature of 600 to 750 ° C. for 25 to 35 minutes. The method of claim 2, A method for producing a multifunctional sanitary ware, comprising adding 20 to 30% by weight of ocher, 3 to 10% by weight of natural anionic powder, and 2 to 4% by weight of silver (Ag) inorganic antimicrobial agent. The method of claim 2, The method for producing a multifunctional sanitary ware, wherein the titanium dioxide photocatalyst is applied using an aqueous solution of 5 to 30 wt% of an anatase crystalline titanium dioxide sol photocatalyst having 1 to 5 mol% of silver (Ag) supported thereon.