KR100917689B1 - Composition for wall paper coating - Google Patents

Abstract

The present invention relates to a composition for wallpaper coating. The wallpaper coating composition according to the present invention is excellent in deodorization and antibacterial effect by blocking the generation of moisture mold on the wallpaper and the wall in advance and not dissipating formaldehyde, and also by promoting the blood circulation by releasing negative ion generated far infrared rays It has a beneficial effect on health.

Description

Composition for wallpaper coating {Composition for wall paper coating}

The present invention relates to a composition for wallpaper coating.

In general, wallpaper is applied to the interior wall or ceiling of a building to block condensation due to temperature difference between the inside and outside of the cement wall of the building, so as to improve the living environment or to change the feeling or atmosphere of the building according to the consumer's taste. It has been used to show the interior effect.

Recently, in accordance with the trend of improving the quality of life and the interior of the interior, consumers prefer products that can satisfy the basic properties while having a luxurious exterior effect. Therefore, in recent years, a lot of studies have been conducted to retain wallpaper such as breathability, beauty, deodorization or temperature control as well as basic properties such as water resistance, heat retention, sound absorption, and workability.

Conventional wallpaper has mainly used a method of coating a synthetic resin on the surface of the paper and printing on the surface of the resin in order to enhance the interior effect. As another method, in order to absorb moisture generated in the wall surface and to increase the effect of insulation and soundproofing, a smooth plasterboard is placed on the untreated plaster and a wallpaper is applied to the surface of the plasterboard. have.

However, this interior finishing method improves the quality of life and has a good visual effect. However, since the inside of the gypsum board always has a warm energy, and it is attached in a state of containing proper moisture, Due to the occurrence of mold, there is a problem that is unsanitary and harmful to the human body. In addition, new building syndrome is emerging as a social problem due to the release of environmental pollutants such as formaldehyde, volatile organic compounds (VOCs), gases and dust from building interiors, furniture and wallpaper.

Therefore, it is urgently required to develop an environmentally friendly, deodorant and excellent antibacterial effect wallpaper by emitting anion generating far infrared rays beneficial to the human body.

The inventors of the present invention while studying environmentally friendly wallpaper with excellent deodorant and antibacterial effect, it was confirmed that the composition containing natural zeolite, tourmaline, pine needles, onion peel and polyvinyl ethylene has excellent deodorizing, antibacterial and anion release effect and the present invention Was completed.

The present invention is to provide an environmentally friendly composition for wallpaper coating excellent in deodorizing and antibacterial effect.

The present invention provides a wallpaper coating composition comprising 60 to 70% by weight of natural zeolite, 5 to 10% by weight of tourmaline, 10 to 20% by weight of pine needle powder, 10 to 20% by weight of onion peel and 2 to 7% by weight of polyvinyl ethylene. to provide.

Hereinafter, the present invention will be described in detail.

Zeolite in the composition of the present invention is a mineral that is an aluminum silicate hydrate of alkali and alkaline earth metals, also referred to as zeolite. Mineralogical properties of zeolites include Cation Exchange Capacity (CEC), adsorption and molecular sieve properties, catalyst properties, dehydration and resorption properties. The cation exchange properties of zeolites mean that the cations in the cavities easily undergo ion exchange, even with a simple degree of washing with a solution of other cations. (-) Ion and (+) ion exchange ability is present in a large amount of water, but it is characterized by easily deodorizing after heating only a few hours at 350 ~ 400 ℃. Zeolites include less than 10 species, such as clinoptilolite, mordenite, heulandite, philipsite, chabazite, and ferrierite. Contains minerals. In order to determine the chemical composition of the zeolite, the chemical quantitative analysis of clinoptilolite, mordenite, and hydrandite was performed by an Electron Microbe (Electron Probe Micro Analysis; EPMA) method and a wet method. Quantitative analysis of EPMA was calculated using Equation 1 below.

Molecules adsorbed on the zeolite vary depending on the molecular sieve, as shown in Table 2 below.

In the composition of the present invention, the zeolite preferably uses natural zeolite. If synthetic zeolite is used, it emits formaldehyde, which is a harmful substance to the human body, but if using natural zeolite, it does not emit formaldehyde at all. The content of the natural zeolite preferably includes 60 to 70% by weight based on the total weight of the composition. If the content of natural zeolite is less than 60% by weight, the deodorizing power is lowered. If it exceeds 70% by weight, the deodorizing power is good, but the unit price is high and it is not economical.

Tourmaline is mainly produced in Brazil, India, China, and Africa, and since 1880, when the Curie brothers proved that heat or pressure would generate electricity, tourmaline was known as a tourmaline. This tourmaline is said to generate 2000 anions per cc in its natural state. Negative ions are absorbed by the human body in about 18% of the respiratory tract and about 82% of the skin. These anions detoxify free radicals, weakly alkaline body fluids, and purify air. These anions emit about 250 per 1cc in natural or polluted air, and emit about 2500-3800 / cc in forests or waterfalls such as forest baths. As mentioned above, tourmaline is known to generate anions and far-infrared rays, maintain the deodorizing effect and the freshness of food, and water purification. It also has a strong bond with wood pulp paper. Thus, tourmaline is widely used in cosmetics, toothbrushes, textiles and construction. The content of tourmaline preferably includes 5 to 10% by weight based on the total weight of the composition. If the amount of tourmaline is less than 5% by weight, too little anion is released, and if it exceeds 10% by weight, too much anion is generated, which adversely affects the human body.

Pine needles contain vitamins A, C, K, chlorophyll, calcium, iron, and various enzymes. They are bitter but taste warm and nontoxic, making them available throughout the body regardless of constitution. Terpene, the main ingredient of pine needles, is one of unsaturated fatty acids, which lowers cholesterol, expands peripheral blood vessels, increases hormone secretion, and clears blood to prevent and treat high blood pressure and atherosclerosis. In addition, glycogen contained in pine needles has an antidiabetic effect because it lowers blood sugar. Chlorophyll and tannins help digestion and sterilize. The content of the pine needle powder is preferably included 10 to 20% by weight based on the total weight of the composition. If the content of pine needle powder is less than 10% by weight deodorizing power and antimicrobial activity is lowered, if it exceeds 20% by weight too much negative ions are generated rather adversely affects the human body.

Onion peel contains allicin ingredients and active ingredients such as vitamin A, B1, B2. The allicin component is combined with vitamin B1 in the body to facilitate metabolism, induce deep sleep, invigorate the cells, pain relief, constipation relief, detoxification, myocardial activity and other effects. In addition, the effect of onion peel is effective in preventing adult diseases such as arteriosclerosis and hypertension, and also stimulates the mucous membranes of the stomach and intestines to promote digestion, which is used as a digestive agent, and has antioxidant and antidiabetic effects. The content of the onion husk preferably contains 10 to 20% by weight based on the total weight of the composition. If the content of onion peel is less than 10% by weight deodorizing power and antimicrobial deterioration, if exceeding 20% by weight too much negative ions are generated rather adversely affects the human body.

Polyvinyl ethylene resins act as binders. The content of the polyvinyl ethylene resin preferably includes 2 to 7% by weight based on the total weight of the composition. If the content of the polyvinyl ethylene resin is less than 2% by weight, the bonding strength is weak, and if it exceeds 7% by weight, there is a problem that the overall function such as strength, physical properties and functionality is not good.

The composition for wallpaper coating according to the present invention may further include conventional additives such as a dispersant, an antimicrobial agent, a thickener, a foaming agent or an antifoaming agent as necessary. The additive may include 1.0 to 2.0% by weight of dispersant, 1.0 to 2.0% by weight of antimicrobial agent, 0.1 to 5.0% by weight of thickener, 1.0 to 3.0% by weight of foaming agent or 1.0 to 2.0% by weight of antifoaming agent.

The dispersant serves to control lubricity and flowability, it is preferable to use acrylic acid copolymer sodium salt (acrylic acid copolymer sodium salt). If the dispersant is used excessively, the dispersing speed is increased, and if it is applied to the woven or nonwoven fabric, the penetration is too high, which causes the deterioration of product quality. Lose.

The antimicrobial agent plays a role of preventing mold, and when used in a small amount, the effect cannot be expected, and when used in an excessive amount, it is preferable not to use an appropriate amount because an unnecessary cost is increased as well as a change in physical properties.

The thickener serves to maintain uniform viscosity, lubricity and flowability appropriately, and may be a natural polymer such as alginic acid, chitosan, Hancheong, casein or PVA (polyvinyl alcohol), which is a synthetic polymer, It is preferable to use PVP (polyvinylpyrrolidone), CMC (carboxymethyl cellulose), HPC (hydroxypropyl cellulose), MC (methyl cellulose), HEC (hydroxyethyl cellulose) and the like. If too small amount of thickener is used, the effect is insignificant and the uniformity of the product cannot be guaranteed. If the coating is applied to a cloth or nonwoven fabric, the product may not be neat because it flows down to the opposite side of the coating surface due to the low viscosity. On the contrary, excessive use of thickener will interfere with penetration during coating, resulting in poor adhesion.

The blowing agent may be used by selecting one or more from the group consisting of azo compounds, nitroso compounds, and sulfonylhydrazide compounds, azodicarbonamide, N, N'-dinitrosopentamethylenetetramine, p- At least one selected from the group consisting of toluenesulfonylhydrazide, p, p'-oxybis (benzenesulfonylhydrazide), p-toluenesulfonyl semicarba, azobisisobutyronitrile and diazoaminoazobenzene Do. If the foaming agent is used too little, the hardness and specific gravity are very high, and if the foaming agent is used too much, a foam having a stable cell structure cannot be obtained due to excessive foaming, and thus the mechanical properties of the foam are sharply lowered.

The antifoaming agent serves to remove harmful bubbles, it may be used a nonionic surfactant or other nonionic surfactant, such as octyl alcohol, cyclohexanol, other higher alcohol, ethylene glycol, sorbitan fatty acid ester as a main component.

The wallpaper coating composition according to the present invention can be prepared by the following method.

Natural zeolite, tourmaline, pine needles and onion peels are ground to an average particle size of 800 ~ 4000 mesh. 60 to 70% by weight of the pulverized natural zeolite, 5 to 10% by weight of tourmaline, 10 to 20% by weight of pine needle powder and 10 to 20% by weight of onion peel is uniformly mixed. 2-7 wt% of the mixed powder and polyvinyl ethylene are impregnated with liquid.

The prepared composition is coated on a wallpaper-ventilated base paper. The thickness of the coating is then 0.1 to 1.0 mm, preferably 0.2 to 0.5 mm. Then, using a chamber as a drying apparatus, it is dried at 100 to 150 ° C, preferably 110 to 120 ° C, and then wound up.

As the coating method, a conventional coating method used in the art, for example, dip coating, spray coating, gravure coating, comma coating, roll coating, bar coating or UV curing coating, may be used. It can be selectively used according to the material, requirements or area of the, and the thickness can be adjusted.

The wallpaper coating composition of the present invention can be used by coating the wallpaper, super medium, various store textiles, wood, synthetic resins, cement, mortar, gypsum board, various functional coating surface, wall surface, floor, ceiling, removable or It can also be applied to prefabricated sheets, panels, pallets, furniture, interior equipment, and the like. In addition, when using a slightly adjusted selection or composition ratio of the composition for the composition of the present invention can also be used as a coating for preventing slip, such as carpet to be applied slightly thicker than other interior materials.

The composition for wallpaper coating of the present invention is excellent in deodorizing and antibacterial effect by blocking the occurrence of moisture mold on the wallpaper and the wall in advance and not dissipating formaldehyde, and by releasing negative ion generating far infrared rays to promote blood circulation. It has a beneficial effect on it.

Hereinafter, preferred examples are provided to aid in understanding the present invention. However, the following examples are merely provided to more easily understand the present invention, and the contents of the present invention are not limited by the examples.

Example  One  : Manufacture of wallpaper

Natural zeolite and tourmaline were pulverized to an average particle diameter of 4000 mesh, pine needle leaves an average particle diameter of 1000 mesh, onion peel was an average particle size of 800 ~ 1000 mesh. 65 g of the pulverized natural zeolite, 6 g of tourmaline, 12 g of pine needles, and 12 g of onion skin were uniformly mixed. 5 g of the mixed powder and polyvinyl ethylene were impregnated with liquid at a stirring speed of 800 rpm. The prepared composition was applied to the wallpaper paper breathable paper with a thickness of 0.25 mm. Then, after drying at 110 ~ 120 ℃ using a chamber as a drying apparatus was wound up.

Experimental Example  One  : Antimicrobial Test

In order to measure the antimicrobial properties of the wallpaper coating composition of the present invention, the following experiment was performed.

This experiment was conducted by Korea Institute of Construction Materials, and was measured using KICM-FIR-1002. That is, 24 hours after the inoculation of E. coli (ATCC 25922) to the wallpaper prepared in Example 1, the number of microorganisms present on the wallpaper surface was measured and the antimicrobial activity was measured by calculating the reduction rate. As a control, a wallpaper (BLANK) prepared without the composition of the present invention was used.

The results are shown in Table 3 and FIG.

Initial concentration CFU / 40P Concentration CFU / 40P after 24 hours Bacterial Reduction (%) BLANK 422 2865 - Example 1 422 One 99.8

As shown in Table 3 and Figure 1, the wallpaper coating composition according to the present invention showed a very good antimicrobial bacteria reduction rate of 99.8% against E. coli.

Experimental Example  2  Deodorization rate test

In order to measure the deodorization rate of the composition for wallpaper coating of the present invention, the following experiment was performed.

This experiment was conducted by the Korea Institute of Construction Materials, and the deodorization rate (%) of the sample concentration was measured using KICM-FIR-1085. That is, formaldehyde (HCHO) was added to the composition prepared in Example 1, and gas concentration was measured using a gas detector tube every 30 minutes. As a control, a wallpaper (BLANK) prepared without the composition of the present invention was used.

The results are shown in Table 4 and FIG.

Elapsed time (minutes) BLANK (ppm) Sample concentration (ppm) Deodorization rate (%) 0 82 82 - 30 78 8 89.7 60 75 5 93.3 90 71 2 97.2 120 67 One 98.5

As shown in Table 4 and Figure 2, the concentration of the wallpaper coating composition according to the present invention was decreased over time, the deodorization rate is increased with time and after about 2 hours, most of the formaldehyde gas is removed by adsorption Deodorization efficiency was found to be very high.

Experimental Example  3  Formaldehyde Dissipation Test

In order to measure the released formaldehyde of the wallpaper coating composition of the present invention, the following experiment was performed.

This experiment was conducted by the Korea Testing Institute, the test method was measured for the amount of formaldehyde (mg / ℓ) of the wallpaper prepared in Example 1 using KS M 7305: 2006.

As a result of the measurement, the wallpaper produced by the composition of the present invention did not dissipate formaldehyde.

Experimental Example  4  : Anion Release Test

In order to measure the anion released from the wallpaper coating composition of the present invention, the following experiment was performed.

This experiment was conducted by the Korea Institute of Construction Materials, and the anion released by using KICM-FIR-1042 was measured. That is, the wallpaper prepared in Example 1 was tested at room temperature of 21 ° C., humidity of 48%, and anion number of 68 / cc in the air using a charged particle measuring device, and measured anion emitted from the measurement object per unit volume. Ionized water was indicated. As a control, a wallpaper (BLANK) prepared without the composition of the present invention was used.

The results are shown in Table 5.

sample Anion (Ion / cc) BLANK 75 Example 1 1044

As shown in Table 5, it can be seen that the composition for wallpaper coating according to the present invention is excellent in anion release effect semi-permanently by releasing 1044 Ion / cc anion.

The wallpaper coating composition according to the present invention is excellent in deodorization and antibacterial effect by blocking the generation of moisture mold on the wallpaper and the wall in advance and not dissipating formaldehyde, and also by promoting the blood circulation by releasing negative ion generated far infrared rays It has a beneficial effect on health.

1 is a view showing the antimicrobial activity of the wallpaper coating composition according to the present invention.

Figure 2 is a view showing the gas concentration curve with time of the wallpaper coating composition according to the present invention.

Claims (3)

60 to 70 wt% of natural zeolite, 5 to 10 wt% of tourmaline, 10 to 20 wt% of pine needle powder, 10 to 20 wt% of onion peel, and 2 to 7 wt% of polyvinyl ethylene, The natural zeolite, tourmaline, pine needle powder and onion skin peeling composition for wallpaper coating, characterized in that the average particle size of 800 ~ 4000 mesh. delete Wallpaper prepared by coating the composition for wallpaper coating of claim 1 to a thickness of 0.1 to 1.0mm on a base paper.

Images