KR20180013044A - Functional material and articles comprising the material - Google Patents

Abstract

The present invention relates to a filter for water treatment, which ensures deodorizing functions, antibacterial functions, antifungal effects, far-infrared light emittance, and anion emittance, prevents proliferation of bacteria, and makes water slightly alkaline, thereby being favorably used for improving and maintaining water quality. According to the present invention, a functional material of the present invention contains silicon oxide, aluminum oxide, magnesium oxide, calcium oxide, iron oxide, sodium oxide, potassium oxide, and titanium oxide, wherein total content of lanthanum (La), cerium (Ce), and yttrium (Y) is 100-2000 ppm.

Description

TECHNICAL FIELD [0001] The present invention relates to a functional material and an article comprising the functional material.

More particularly, the present invention relates to a functional material and an article containing the functional material, and more particularly, to a functional material and an article containing the functional material, And an article comprising the functional material.

Attempts have been made to apply materials having effective functions such as deodorization, antimicrobial, antifungal, far infrared ray emission and anion release properties to paper products such as resin products, textile products or wallpaper.

As is well known, a substance having a far-infrared emission characteristic, an anion releasing characteristic, and a deodorizing characteristic can be used to improve the health of the human body such as anti-aging, metabolism promotion, and chronic fatigue, and to make the living environment comfortable.

In addition, properties such as antimicrobial and antimicrobial properties can increase the shelf life of food when applied to food storage containers such as tableware, and prevent the decay of organic materials and the generation of fungi when applied to areas easily contaminated with organic materials And can be effectively used to prevent odor generation, aesthetic damage, and the like.

Accordingly, materials such as monazite, ilite, loess, and quartzite are used in order to obtain the above-mentioned characteristics. However, it is also possible to use a material such as deodorizing, antibacterial, antifungal, far infrared ray emission, anion release, Functional materials that can comprehensively implement functions are virtually unknown.

Korean Patent Publication No. 2015-0102549

It is an object of the present invention to provide a functional material having a high negative ion generation, suppressing the propagation of bacteria, eliminating odor components and having excellent resistance to fungi and being applicable to various articles, and an article containing the functional material.

In order to achieve the above object, the present invention provides a method of manufacturing a semiconductor device, comprising the steps of: depositing at least one selected from the group consisting of lanthanum (La), cerium (Ce), and yttrium (Y), including silicon oxide, aluminum oxide, magnesium oxide, calcium oxide, iron oxide, sodium oxide, ) Is in the range of 100 to 2000 ppm.

Also, the present invention provides an article comprising 1 to 60% by weight of the functional material.

The article may include paper, plastic articles, fibers, building materials, ceramics, ceramic balls, and the like.

The functional material according to the present invention has a far-infrared radiation characteristic, a deodorizing characteristic, an antibacterial characteristic, and an anti-fungal characteristic, and can be given various functionalities when applied to various materials including the functional material according to the present invention .

For example, when the functional material according to the present invention is added to a container such as a paper, a plastic article, or a porcelain, it is possible to delay the decay of the fresh material stored in a paper box, a plastic container, , The preservation period of fresh foods can be remarkably increased.

In addition, when it is used for a building material or a ceramic ball including a functional material according to the present invention, it is excellent in the function of releasing and deodorizing far-infrared rays, so that the value of the building material can be improved or used for convenience facilities such as a steam room.

Fig. 1 is a test report showing the result of measuring the radiation dose of the functional material used in Example 1 of the present invention. Fig.
Fig. 2 is a test report showing the measurement result of the radiant energy of the functional material used in Example 1 of the present invention. Fig.
Fig. 3 is a test report showing the result of analysis concerning anion release of the functional material used in Example 1 of the present invention. Fig.
FIG. 4 is a test report showing the analysis result on the deodorizing property of the functional material used in Example 1 of the present invention. FIG.
FIG. 5 is a test report showing the results of analysis on anti-fungal characteristics of the functional material used in Example 1 of the present invention. FIG.
Fig. 6 is a photograph showing the state of a sample used in the analysis of antifungal characteristics of the functional material used in Example 1 of the present invention. Fig.
Fig. 7 is a test report showing the results of analysis on antibacterial properties of functional materials used in Example 1 of the present invention. Fig.
8 is a photograph showing the state of a sample used for analyzing the antibacterial property of the functional material used in Example 1 of the present invention.
9 is a photograph showing the state of a sample used for analyzing the antifungal property of the functional material used in Example 2 of the present invention.
10 is a photograph showing the state of a sample used in the analysis of the antibacterial property of the functional material used in Example 2 of the present invention.
Fig. 11 is a view showing a case in which a box in which a functional material according to Example 1 of the present invention is applied to the surface of a box for storing fruits, using an adhesive, and a box in which no functional material according to Example 1 of the present invention is applied, Is a photograph showing the state after storing for a predetermined time.
FIG. 12 is a graph showing the state of the artificial cotton in which the functional material according to Example 1 of the present invention is added in a volume ratio of 2% and the artificial cotton in which the functional material according to Example 1 is not added for a predetermined time It is a photograph.
FIG. 13 is a photograph showing the state after putting the apple into the plastic container to which the functional material according to the first embodiment of the present invention is added and the plastic container to which the functional material is not added and storing the container for a predetermined time.

The singular forms used to describe the embodiments of the present invention are meant to include plural forms unless the phrases expressly mean the opposite. And includes meaning of specific characteristics, regions, integers, steps, and actions. Elements and / or components, and other particular features, regions, integers, steps, acts. Quot; does not exclude the presence or addition of elements, elements and / or groups.

Although not defined differently, all terms including technical terms and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the art to which the present invention belongs. Also, commonly used predefined terms are not to be construed as ideal or very formal meanings unless further defined and interpreted as having a meaning consistent with the relevant technical literature and the present disclosure.

The present inventors have focused attention on ores mainly composed of feldspar and / or olivine, which are produced in Asan, Chungju, etc. for use as raw materials for alloy materials for the production of special steels, and have found out that lanthanum (La), cerium ) And yttrium (Y), and the ores having a sum of the above three rare earth elements of 100 ppm or more are excellent in the far-infrared radiation characteristic and not only release a considerable amount of anions, but also deodorization, antibacterial and antifungal It has been found that a variety of functionalities can be imparted to the articles when they are applied to various articles, leading to the present invention.

The functional material according to the present invention includes at least one selected from the group consisting of silicon oxide, aluminum oxide, magnesium oxide, calcium oxide, iron oxide, sodium oxide, potassium oxide, And a total content of 100 to 2,000 ppm.

The functional material which is a core functional material of the present invention includes feldspar and / or olivine as main components.

The chemical composition of feldspar is (K, Na, Ca, Ba) (Al, Si) ₄ O ₈ . The natural feldspar is composed mainly of potassium feldspar (KAlSi ₃ O ₈ ), sodium feldspar (NaAlSi ₃ O ₈ ), calcium feldspar (CaAl ₂ Si ₂ O ₈ ) It belongs to the family of ingredients. Potassium feldspar and calcium feldspar hardly form solid solution, but potassium feldspar, sodium feldspar, sodium feldspar and calcium feldspar form continuous solid solution, and each series is collectively called alkali feldspar and plagioclase. The types of feldspar and the solid solutions are very broad and, as a whole, the quantity exceeds quartz, accounting for about 39% of the total mass, and is known to be the most constituent of the crust.

In addition, olivine is a silicate containing magnesium and iron, which forms granular or monocrystalline crystals. It is an ore with a glassy luster of yellowish green color. Major magnesium-containing materials are basal rocks and olive rocks. It is contained in igneous rocks and metamorphic rocks. The crystal structure has a structure in which Mg or Fe enters between tetrahedrons of independent SiO ₄ and is strongly bonded in any direction.

The functional material contained in the water treatment filter of the present invention containing feldspar and / or olivine as a main component includes silicon oxide, aluminum oxide, magnesium oxide, calcium oxide, iron oxide, sodium oxide, potassium oxide and titanium oxide.

The content of the oxide varies depending on the position where the oxide is produced. The content of the oxide is 40 to 80 wt%, the aluminum oxide 5 to 25 wt%, the magnesium oxide 0.1 to 25 wt%, the calcium oxide 0.1 to 25 wt% To about 25 wt%, sodium oxide to about 0.1 wt% to about 5 wt%, potassium oxide to about 0.1 wt% to about 5 wt%, and titanium oxide to about 0.1 wt% to about 5 wt%.

The functional material according to the present invention contains a total of lanthanum (La), cerium (Ce) and yttrium (Y) in an amount of 100 to 2000 ppm (based on weight%), and the sum of the three rare earth elements exceeds 100 ppm It is difficult to obtain the same effect as the present invention, and the sum of the three rare earth elements in the natural material does not exceed 2000 ppm.

On the other hand, a variety of articles such as plastic, paper, and building materials can be manufactured using the functional material. In this case, the functional material may be added in a maximum amount that can be added during the production of the article, and when it is added in an amount of less than 1% by weight, the functional material is not sufficient to exhibit the function. It may be difficult to manufacture, and it is preferably 1 to 60% by weight.

In the case of a container made of paper, plastic, ceramics or ceramics, it is possible to increase the storage period of the food stored in the container, In the case of ball, it can help health promotion by the effect of far-infrared ray emission, deodorization and antibacterial.

[Example 1]

In Example 1, a substance containing feldspar as a main component calculated in the Chungju region of Chungcheong Province was used as a functional material.

The compositional analysis results of this functional material are shown in Table 1 below.

ingredient Y La Ce Pb Content (mg / Kg) 240 240 380 21 ingredient SiO ₂ Al ₂ O ₃ Fe ₂ O ₃ CaO Content (wt%) 75.0 10.2 3.8 2.0 ingredient MgO K ₂ O Na ₂ O TiO ₂ Content (wt%) 0.3 4.6 2.8 0.2

As shown in Table 1, the functional material used in Example 1 contains SiO ₂ as a main component, and the total content of yttrium (Y), lanthanum (La), and cerium (Ce) is 860 ppm .

The properties of this functional material such as far-infrared radiation, antibacterial, sterilization, antifungal and pH change were evaluated.

Radioactivity test

In order to confirm the amount of radioactive emission to the functional material of Example 1 of the present invention, a radiation dose was measured at a room temperature of 20 占 폚, a humidity of 20 占 폚 using a radiation meter according to the method specified in KFIA-F1-1108 by Korea Far Infrared Radiation Application Evaluation Institute The radiation dose radiated from the measurement object was measured under the condition of 42%, and the radiation dose per hour was obtained. As a result, it was confirmed that the radiation dose was 0.07 μSv / hr, which is not harmful to the human body.

Far infrared ray test

In order to confirm whether the functional material of Example 1 of the present invention had a far-infrared ray emission effect, it was investigated by KFIA-F1-1005 in Korean Far Infrared Radiation Application Evaluation Research Institute using a FT-IR spectrometer at 37 ° C, As a result, the emissivity (5-20 μm) was 0.927 and the radiation energy (W / m ² · μm, 37 ° C.) was 3.57 × 10 ² as shown in FIG. 2 It has been confirmed that far-infrared radiation is possible.

Anion test

In order to confirm whether the functional material of Example 1 of the present invention had an anion-generating effect, a Korean Society of Far Infrared (IR) Application Evaluation and Evaluation, KFIA-F1-1042, The number of anions in the atmosphere was 106 / cc, and the anions released from the measurement object were measured and measured as ionized water per unit volume. As a result, as shown in FIG. 3, the number of negative ions per unit volume was 154, Is generated.

Deodorization test

In order to confirm whether or not the functional material of Example 1 of the present invention had a deodorizing effect, ammonia gas was measured by the method described in KFIA-F1-1004 by Korea Far Infrared Application Evaluation Research Institute using a gas detection tube for 120 minutes The deodorizing performance was measured by the concentration change rate. As shown in FIG. 4, when the functional substance was present, the deodorization rate was 84%, the deodorization rate was 89%, the deodorization rate was 91%, the deodorization rate was 93% Which was very high.

Antifungal  exam

In order to confirm whether the functional material of Example 1 of the present invention had an antifungal effect, according to the method described in ASTM G-21 by Korea Far Infrared Application Evaluation Research Center, the mixed strain shown in Fig. Were evaluated. As a result, as shown in Fig. 5 and Fig. 6, the growth of bacteria was not recognized in the samples measured after 4 weeks.

That is, it was confirmed that the functional material used in Example 1 of the present invention had antifungal properties.

Antibacterial test

In order to confirm whether the functional material used in Example 1 of the present invention had an antibacterial or bactericidal effect, according to the method defined in KFIA-F1-1002 by Korea Far Infrared Application Evaluation Research Center, And the functional materials were compared.

As a result, as shown in FIG. 7 and FIG. 8, the antibacterial test by E. coli showed a reduction rate of 98.1% after 24 hours and the antibacterial test by Staphylococcus showed 97.3% after 24 hours Respectively.

That is, the functional material of the present invention has excellent antibacterial properties.

As described above, when a substance having excellent far-infrared ray emission characteristics, a large amount of anion emission, and a deodorant, antifungal property, and antibacterial property is used for a water treatment filter material, not only the water treatment becomes easy but also the contamination of the filter can be prevented, .

pH change test

In order to confirm whether the functional material used in Example 1 of the present invention has a function of changing the pH when it comes in contact with water, the following test was conducted.

First, the pH of the groundwater was measured, and 40 mL of groundwater was put into four 50 mL reagent bottles, and 0 g, 0.609 g, 1.400 g, and 2.590 g of the functional materials were added, respectively.

The prepared reagent bottle was agitated and reacted for 50 hours. The sample was taken out and pH was measured using a pH meter. The results are shown in Table 2 below.

Condition Before the experiment (pH) After the experiment (pH) 0g / 40mL ground water 6.8 7.5 0.609 g / 40 mL ground water 6.8 8.2 1.400g / 40mL ground water 6.8 8.9 2.590 g / 40 mL ground water 6.8 9.1

In addition to the experiment on groundwater, test water was also tested.

The preparation water was prepared by adding 500 mL of distilled water to a 1-liter beaker and adding 0.1 mL of phosphoric acid (85%).

40 mL of the above preparation water was added to two 50 mL reagent bottles, and 0 g and 2.76 g of the functional material were added, respectively. After stirring for 25 hours, pH was measured using a pH meter.

Table 3 below shows the results.

Condition Before the experiment (pH) After the experiment (pH) 0g / 40mL ground water 2.8 3.2 2.67 g / 40 mL ground water 2.8 6.2

As shown in Table 2 and Table 3, the functional material according to Example 1 of the present invention has a function of increasing the pH of water when it is in contact with water.

[Example 2]

In Example 2, a material mainly composed of olivine produced in the region of Asan was used as a functional material.

The compositional analysis results of this functional substance are shown in Table 4 below.

ingredient Y La Ce Nd Content (wt%) 0.0043 0.0095 0.0131 0.0071 ingredient SiO ₂ Al ₂ O ₃ Fe ₂ O ₃ CaO Content (wt%) 47.07 15.33 10.18 10.16 ingredient MgO K ₂ O Na ₂ O TiO ₂ Content (wt%) 10.07 1.62 2.93 1.13

As shown in Table 4, the functional material used in Example 2 is mainly composed of SiO ₂ , Al ₂ O ₃ , Fe ₂ O ₃ , CaO, MgO, and the like, and yttrium (Y), lanthanum It can be seen that the total content of cerium (Ce) is 269 ppm, which is more than that of general ores.

The far infrared ray emission, deodorization, antibacterial, antiseptic and antifungal properties of the functional materials included in Example 2 were evaluated as follows.

Far infrared ray test

The far infrared ray test was conducted in accordance with the method specified in KCL-FIR-1005 at the Korea Institute of Construction & Living Environment Test. Specifically, the far infrared ray test was carried out at 40 캜 using an FT-IR spectrometer, It was confirmed that the emissivity (5 to 20 탆) was 0.913, and the radiant energy (W / m ² 탆, 40 캜) was 3.68 × 10 ² .

Deodorization test

The deodorization test was carried out in accordance with the method specified in KCL-FIR-1085 at the Korea Institute of Construction & Living Environment Test. Specifically, the deodorization performance was measured using a gas detection tube for ammonia gas for 120 minutes Respectively. The results are shown in Table 5 below.

Test Items Test result Test Methods Blank concentration
(μmol / mol) Sample concentration
(μmol / mol) Deodorization rate (%) Deodorization test
(ammonia) 0 minutes 200 200 0.0 KCL-FIR-1085 30 minutes 196 175 10.7 60 minutes 194 167 13.9 90 minutes 193 163 15.5 120 minutes 192 160 16.7

As shown in Table 5 above, the functional material according to Example 2 is also weaker than Example 1 but has a deodorizing effect.

Antifungal  exam

In order to confirm whether the functional material used in Example 2 of the present invention has an antifungal effect, it was tested according to the method specified in ASTM G-21 at Korea Institute of Construction & Living Environment Test, and the results are shown in Table 6 below .

Test Items Test result Test Methods Period of culture test One week after 2 weeks Three weeks Four weeks Antifungal test 0 0 0 0 ASTM G 21

As shown in Table 6 and FIG. 9, when the functional material according to Example 2 of the present invention was used, the growth of the fungus was not recognized even after 4 weeks, indicating excellent antifungal properties.

Antibacterial test

In order to confirm the antibacterial effect of the functional material used in Example 2 of the present invention, Escherichia coli, Pseudomonas aeruginosa and Staphylococcus aureus were used according to the method described in KCL-FIR-1003 The results are shown in Table 7 below.

Test Items Test result Test Methods Initial concentration
(CFU / mL) Concentration after 24 hours
(CFU / mL) Bacterial reduction rate
(%) Antibacterial test with Escherichia coli Blank 3.4 × 10 ⁵ 4.7 × 10 ⁵ - KCL-FIR-1003 sample 3.4 × 10 ⁵ <10 99.9 Antibacterial test with Pseudomonas aeruginosa Blank 3.6 × 10 ⁵ 4.9 × 10 ⁵ - sample 3.6 × 10 ⁵ <10 99.9 By Staphylococcus aureus
Antibacterial test Blank 2.8 × 10 ⁵ 3.7 × 10 ⁵ - sample 2.8 × 10 ⁵ <10 99.9

As shown in Table 7 and FIG. 10, when the functional material according to Example 2 of the present invention was used, the bacterial reduction rate was 99.9% after 24 hours.

That is, the functional material used in Example 2 of the present invention has excellent antibacterial properties.

[Example 3]

In Example 3 of the present invention, the functional material according to Example 1 of the present invention was applied to the surface of a box for storing fruit using an adhesive, and then the functional material according to the present invention was not applied.

In the above two boxes, five apples, five pears, and four halla bones were placed and left for about 2 months from April 12, 2016 to June 14, 2016 in a room at room temperature without special storage, And the results are shown in Fig. At this time, the fruit was purchased at the same time and purchased at the same time.

As shown in Fig. 11, there was no significant difference in the case of Halabang.

However, in the case of apples, all of the boxes showed the upper limit state, but in the case of the embodiment of the present invention, the remaining ones remained unharmed except for one.

Also, in the case of ships, four cases according to the embodiment of the present invention remained in a good condition, but in the case of the conventional box, one case completely disappeared within one month, and three out of four cases were completely overcome.

That is, the substance according to the present invention is effective for increasing the shelf life of fruits such as apples and pears.

[Example 4]

The artificial cotton with 2% by volume of the functional material according to the present invention was prepared, and the artificial cotton was stored at room temperature for 1 month (from January 2016 to February 2016) The results are shown in Fig.

As shown in FIG. 12, according to the embodiment of the present invention, it can be seen that the preservation state of mandarin orange can be maintained well for a considerable period of time.

[Example 5]

A plastic container containing about 5% of functional material in a volume ratio was used, and a test was conducted in which the apple was placed in a container and allowed to stand at room temperature for 2 months (from January 2016 to March 2016) Respectively.

As shown in Fig. 13, the apples stored in the common container (left side) were considerably corrupted, while the apples of the present invention (right side) remained in a good state.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the appended claims.

Claims (5)

Wherein the total content of lanthanum (La), cerium (Ce) and yttrium (Y) is from 100 to 2000 ppm, including silicon oxide, aluminum oxide, magnesium oxide, calcium oxide, iron oxide, sodium oxide, potassium oxide and titanium oxide matter. The method according to claim 1,
Wherein the functional material is selected from the group consisting of 40 to 80 wt% of silicon oxide, 5 to 25 wt% of aluminum oxide, 0.1 to 25 wt% of magnesium oxide, 0.1 to 25 wt% of calcium oxide, 1 to 25 wt% of iron oxide, 0.1 to 5% by weight of potassium oxide, and 0.1 to 5% by weight of titanium oxide. An article comprising 1 to 60% by weight of the functional material of claim 1. The method of claim 3,
Wherein the article is paper, plastic, ceramic, fiber, or paint. An article according to claim 1, wherein the far infrared ray emissivity (5 to 20 탆) is 0.92 or more, and the number of anions per unit volume is 150 or more.

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