KR101869972B1 - A natural adhesive composition and a method for manufacturing the same - Google Patents
A natural adhesive composition and a method for manufacturing the same Download PDFInfo
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- KR101869972B1 KR101869972B1 KR1020160170285A KR20160170285A KR101869972B1 KR 101869972 B1 KR101869972 B1 KR 101869972B1 KR 1020160170285 A KR1020160170285 A KR 1020160170285A KR 20160170285 A KR20160170285 A KR 20160170285A KR 101869972 B1 KR101869972 B1 KR 101869972B1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J197/00—Adhesives based on lignin-containing materials
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Abstract
Description
The present invention relates to a natural adhesive composition and a method for preparing the same, and more particularly to an adhesive composition comprising a natural ingredient such as mackerel pulp or mackerel powder, a mineral, and starch.
Concrete structures, such as houses, offices, and public buildings, which are living spaces of modern people, are the mainstream. Cement, which is the main component of concrete, reacts with organic impurities and water, It releases harmful ammonia gas and formaldehyde. When specific odors or toxins originate from these harmful substances are inhaled into the human body, they cause skin and mucous membrane disorders, various kinds of cancer, skin diseases, atopy, allergy, asthma and pneumonia. .
In addition, although most of the interior materials for interior decorations and adhesives use chemical materials, they are being used indiscriminately in new housing complexes without objective verification procedures for environmentally friendly performance.
Recently, there has been a great deal of attention on the prevention of Sick House Syndrome and Hyungsung Syndrome and the problem of indoor air pollution caused by chemical substances from indoor and interior adhesives. Research into the use of built-in adhesives and adhesives capable of fundamentally blocking and eliminating the cause of pollutants is actively underway.
In recent years, there has been a great increase in interest and demand for natural finishing materials using functional natural materials as main materials, while minimizing the use of chemical materials such as synthetic resin as mentioned above. These natural finishing materials include charcoal and loess, and various products using jade, elvan, phytoncide, and photocatalyst are also available. Especially, in recent years, the interior method using traditional Korean paper has been attracting new attention in the finishing of indoor surfaces such as walls and ceilings. In the case of Korean paper, the humidity control function is excellent, the air permeability is excellent, Indoor air can be maintained comfortably, and there are various functional advantages such as being able to relieve atopic and various allergic symptoms.
As a finishing method using a hanji material, it is known that a hanji material is processed in the form of a fluid paste or paint and then applied on a wall-wise basis. However, in the case of using the Korean paper material (mulberry pulp) as described above, basically the paper pulp is produced by stirring the organic pulp into the organic paste, which is a method of applying the natural material in a wet manner, so that it is apt to cause decay and mold . Accordingly, in order to prevent corruption and odor, a chemical preservative was added to the grass or other chemical binder was used instead of the grass. However, there was a problem that the meaning as a natural finishing material was greatly reduced, and the perishability and antifungal performance It was in demand that the development of excellent finishing materials was requested.
In addition, in the case of the previously developed waxy Hanji finishing material, the adhesion to the wall surface is not good, so that the wall is easily separated from the wall surface, and when the viscosity is increased, the spraying property is greatly lowered and the workability is lowered. It is necessary to develop a product that can satisfy both adhesiveness and workability at the same time.
Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide a cement, wood, glass, gypsum board and the like which do not emit harmful chemicals and have excellent deodorization, hygroscopicity, And to provide a method for producing the adhesive composition.
An aspect of the present invention relates to a method for producing a lignin composition comprising: 100 parts by weight of powdered mulberry pulp or mulberry wood comprising lignin in an amount of 1% by weight or less; 10 to 15 parts by weight of two or more natural mineral powders; And 20 to 30 parts by weight of a first binder containing starch.
In one embodiment, the unit fiber length of the paper pulp may range from 0.1 mm to 3 mm.
In one embodiment, the natural mineral powder is a jade mixed with jadeite and nephrite at a weight ratio of 30 to 70:30 to 70, respectively; And one selected from the group consisting of pegmatite, ilite, sericite, biotite, tourmaline, gemite, kaolin, limestone and mixtures of two or more thereof.
In one embodiment, the natural adhesive composition may further include one selected from the group consisting of manna powder, wormwood powder, green tea powder, charcoal powder, and a mixture of two or more thereof.
In one embodiment, the natural adhesive composition may further comprise 20 to 30 parts by weight of one second binder selected from the group consisting of acrylic, epoxy, cellulosic, silicone, urethane, and mixtures of two or more thereof.
In another aspect of the present invention, there is provided a method for manufacturing a paper pulp, comprising the steps of: (a) preparing a paper pulp or powder by pretreating the paper mulberry with ammonia water and an acid solution; (b) milling two or more natural minerals to produce a natural mineral powder; (c) mixing the starch and water to prepare a first binder; And (d) mixing 100 parts by weight of the paper pulp or powder, 10-15 parts by weight of the natural mineral powder, and 20-30 parts by weight of the first binder.
In one embodiment, the acid solution may comprise 1 to 10% by weight of one component selected from the group consisting of sulfuric acid, hydrochloric acid, nitric acid, phosphoric acid, formic acid and a mixture of two or more thereof, and residual organic solvent .
In one embodiment, the natural mineral is a jade mixed with jadeite and nephrite at a weight ratio of 30 to 70:30 to 70, respectively; And one selected from the group consisting of pegmatite, ilite, sericite, biotite, tourmaline, gneiss and mixtures of two or more thereof.
In one embodiment, in step (d), one selected from the group consisting of manna powder, mugwort powder, green tea powder, charcoal powder, and a mixture of two or more thereof may be further mixed.
In one embodiment, 20 to 30 parts by weight of one second binder selected from the group consisting of acrylic, epoxy, cellulose, silicone, urethane and mixtures of two or more thereof may be further mixed in step (d).
According to one aspect of the present invention, there is provided a method for producing a pine wood pulp or a mackerel powder, comprising the steps of: controlling the content of lignin in the paper pulp or mulberry powder to 1 wt% or less, It is possible to obtain a natural adhesive composition that is excellent in deodorizing property, hygroscopic property, sound absorbing property, antimicrobial property and can be firmly adhered to various objects such as cement, wood, glass, gypsum board and the like.
It should be understood that the effects of the present invention are not limited to the effects described above, but include all effects that can be deduced from the description of the invention or the composition of the invention set forth in the claims.
1 is a schematic view illustrating a method of manufacturing a natural adhesive composition according to an embodiment of the present invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Throughout the specification, when an element is referred to as "comprising ", it means that it can include other elements, not excluding other elements unless specifically stated otherwise.
Natural adhesive composition
An aspect of the present invention relates to a method for producing a lignin composition comprising: 100 parts by weight of powdered mulberry pulp or mulberry wood comprising lignin in an amount of 1% by weight or less; 10 to 15 parts by weight of two or more natural mineral powders; And 20 to 30 parts by weight of a first binder containing starch.
The natural adhesive composition may comprise a mulberry pulp or a mulberry powder containing up to 1% by weight of lignin.
Mackerel is a dicotyledonous plant belonging to the genus Mulberry. The husk is called black skin or rough skin, and if it is processed again, white skin can be obtained. In addition, the mulberry tree is essentially classified as woody biomass, and these woody biomass qualitatively include cellulose, hemicellulose, and lignin. At this time, the cellulose and hemicellulose may be pulverized or powdered by a certain process, for example, by heating or pulverizing, and incorporated as a component of the adhesive composition. The mulberry pulp or the mulberry tree powder has not only adhesive property but also excellent humidity control function, excellent air permeability and deodorizing function, so that the air in the room where the adhesive composition is used can be comfortably maintained. In addition, there are various functional advantages such as being able to alleviate atopic and various allergic symptoms.
On the other hand, the lignin is required to be removed because it immobilizes cellulose and hemicellulose to inhibit their effective processing. Preferably, the content of lignin in mackerel may be 1 wt% or less, preferably 0.01 to 1 wt%, through a predetermined process. If the content of lignin in the mackerel is more than 1% by weight, the yield and efficiency of the subsequent pulping process may be lowered, and the content of cellulose and / or hemicellulose contained in the mackerel pulp or powder may be relatively decreased, Function and air permeability may be deteriorated.
The unit fiber length of the paper pulp may be 0.1 to 3 mm. If the unit fiber length of the paper pulp is less than 0.1 mm, the unit fibers may agglomerate arbitrarily to lower the dispersibility in the adhesive composition, and the viscosity of the adhesive composition may increase to lower the workability. If the unit fiber length exceeds 3 mm, The surface roughness is increased, and durability and adhesiveness may be lowered.
In addition, the average particle size of the mica tree powder may be 0.04 to 0.08 mm. If the mean particle size of the mulberry tree powder is less than 0.04 mm, the unit fibers may agglomerate arbitrarily to lower the dispersibility in the adhesive composition, and the viscosity of the adhesive composition may be increased to lower the workability. If the average particle size is more than 0.08 mm, The surface roughness is increased, and durability and adhesiveness may be lowered.
The natural adhesive composition may comprise 10 to 15 parts by weight of two or more natural mineral powders. Wherein the natural mineral powder is a mixture of jadeite and nephrite at a weight ratio of 30 to 70:30 to 70, respectively; And one selected from the group consisting of pegmatite, ilite, sericite, biotite, tourmaline, gemite, kaolin, limestone and mixtures of two or more thereof.
Natural jade or natural jade can be classified into nephrite and jadeite according to their hardness. Such natural jade or natural jade is excellent in deodorizing property and can radiate far infrared rays to promote the physiological activity of the human body.
The jadeite is an alkali pyroxene belonging to monoclinic system, having a hardness of 6.5 to 7 and a specific gravity of 3.2 to 3.3. They generally form a dense aggregate of crystalline or fine-grained form. Crystalline matter is split in two directions intersecting at almost right angles, but dense quality is strong and does not break easily. In addition, the inorganic substances such as Si, Al, Mg, and Ca contained in the jadeite promote the physiological activity and have the effect of discharging waste matter in the body. Further, the nephrite is a tegument stone or a tungchuan stone which is intertwined with fine fiber crystals and has a hardness of 5.5 to 6.0 and a specific gravity of 2.9 to 3.0. The nephrite is significantly lower in hardness than jadeite. However, since the chemical composition of the nephrite is similar to that of the jadeite, the inorganic salts included therein promote physiological activity and can release waste materials in the body.
As described above, since jadeite and nephrite have similar action effects, they can be appropriately mixed and used in consideration of economic efficiency. For example, jadeite has a somewhat better performance than the nephrite, but it is generally expensive, so jadeite and nephrite can be mixed at a weight ratio of 30 to 70: 30 to 70, respectively.
The pegmatite is a pulsatile rock which is formed by coarse crystal grains having a size of about 3 cm or more, and is also called gyeongseok stone or geongjeong granite. It has almost the same composition as granite, but the main component minerals such as quartz, feldspar and mica are ideally large crystals. The pegmatite can inhibit the occurrence of decay, alteration and fungus even after a considerable time has elapsed since the adhesive composition is cured, and workability such as fluidity and spreadability can be greatly improved even when the composition is applied.
The illite is a fine clay mineral having a clay particle size, and is a clay mineral having a plate-like structure similar to general muscovite. It is known that K and Al are less, but Si and H2O are slightly larger than those of muscovite. The main component is a sulfur / white synthetic mineral consisting of SiO 2 , Al 2 O 3 , K 2 O, FeO 2, etc., and its physicochemical properties are that it exerts a large amount of dissolved oxygen in water, , Odor of organic ions and decaying organic substances, and the adsorbability is exhibited in the air and used as a raw material of toxic gas and odor removing agent.
The sericite is a kind of clay minerals and contains potassium (K 2 O). Its color is silvery white with strong silk luster. It is called sericite and its molecular formula is KH 2 Al 3 (SiO 4 ) 3 . The sericite releases far infrared rays and anions to promote metabolism, smooth blood circulation, release toxins, and purify wastes, and is excellent in deodorization.
The tourmaline has a pyroelectricity which attracts dust when it is heated. Tourmaline emits far infrared rays and anions to relieve blood circulation, cell activity, metabolism and fatigue recovery, prevent aging, and is excellent in deodorization.
There are two types of the above-mentioned Guiyang stone, red and white. In each of the characteristics, white has a far-infrared emission rate of 96% and is the highest among the ores. Red produces up to 24,000 anions / cc, 10 times higher than tourmaline. For example, when a mixture of white and red gypsum at a weight ratio of 30 to 70: 30 to 70 is used, it is possible to maximize the emission of far infrared rays and anions, thereby remarkably improving both physiological activity and deodorizing effect.
The average particle size of the natural mineral powder may be 0.01 to 0.05 mm for pegmatite, 0.005 to 0.01 mm for jadeite or nephrite, and 0.01 to 0.05 mm for ilite, sericite and biotite.
The natural adhesive composition may comprise from 20 to 30 parts by weight of a first binder containing starch. The first binder may be a mixture of starch and water in a weight ratio of 20 to 80:20 to 80, respectively.
Since the starch is derived from a natural raw material and is used as a binder of an adhesive composition, toxic chemicals such as volatile organic compounds (VOC) derived from a chemically synthesized binder are not generated. Therefore, The problem can be prevented.
The starch may be selected from the group consisting of corn starch, tapioca starch, potato starch, sweet potato starch, wheat starch, and a mixture of two or more thereof, preferably potato starch, but is not limited thereto.
On the other hand, when using such a conventional starch, the binder may be deteriorated in workability due to high viscosity when used at a high concentration. At this time, by using the modified starch obtained by subjecting the starch to an ester, ether or graft reaction and / or the starch obtained by oxidation, dextrin or enzyme treatment of the starch, workability, adhesiveness and water resistance can be balanced Can be implemented.
In addition, since the long-term durability and long-term adhesiveness of the adhesive may be lowered by using only the first binder containing the starch, a chemically synthesized binder may be added to compensate for this. However, the chemically synthesized binder may be synthesized from natural raw materials, or may be an aqueous binder in which the amount of generated VOC is reduced so that the eco-friendly effect of the first binder is not canceled.
The natural adhesive composition may further comprise 20 to 30 parts by weight of one second binder selected from the group consisting of acrylic, epoxy, cellulosic, silicone, urethane, and mixtures of two or more thereof.
The acrylic binder may include 20 to 40% by weight of a water-dispersible acrylic emulsion and 20 to 40% by weight of water, and may further contain other fillers, dispersants and the like. The water-dispersible acrylic emulsion may be a polymer made of MMA (methyl methacrylate), BAM (butyl acrylate monomer), and sodium bisulfate.
The epoxy-based binder may be an epoxy compound derived from biomass oil. In the biomass oil-derived epoxy compound, the biomass oil contains a C5-C30 alkyl chain containing at least one double bond, and in the epoxy compound derived from the biomass oil, the epoxy group is introduced into the double bond-containing carbon . The biomass oil may be at least one selected from the group consisting of soybean oil, castor oil, sunflower oil, corn oil, avocado oil, olive oil, grape seed oil, sesame oil, nut oil, coconut oil, jojoba oil, squalane and fish oil.
The silicone-based binder may be one obtained by polymerizing a silicone polymer and an epoxy compound derived from a biomass oil in an aqueous phase. A silicone polymer is used as a main component, and an epoxidized soybean oil and a pine tree oil are added and polymerized as a natural vegetable oil to obtain an aqueous environmentally friendly binder. At this time, the polymerization proceeds in the aqueous phase in which the water is present, for example, on the basis of 1 liter of water, the amount of the silicone polymer used may be 5 to 20 g.
The silicone polymer is not particularly limited, and it may have at least one siloxane (-Si-O-) bond and at least one crosslinking site (double bond or triple bond) in the molecule. At this time, the crosslinking site is capable of bonding with epoxidized soybean oil and / or oil, and may be selected from, for example, one or more vinyl groups. Specifically, the silicone polymer may be selected from silicone elastomers having at least one siloxane (-Si-O-) bond and at least one vinyl group in the molecule. Also, the siloxane (-Si-O-) bond is located in the main chain, and the vinyl group may be located in the main chain and / or the side chain. Such a silicone polymer may be a commercially available silicone oil.
The urethane binder may be a water-dispersed polyurethane in which a certain amount, for example, 10 to 50 wt% of solid polyurethane particles are dispersed in water. The polyurethane may be the reaction product of an isocyanate and a natural material-derived polyol. The natural substance-derived polyol may be selected from the group consisting of soybean oil, castor oil, sunflower oil, corn oil, avocado oil, olive oil, grape seed oil, sesame oil, nut oil, coconut oil, jojoba oil, squalane, It may be more than one selected.
The natural adhesive composition may further include one selected from the group consisting of a chewy powder, an wormwood powder, a green tea powder, a charcoal powder, and a mixture of two or more thereof. Among them, the raw white rice flour is an evergreen conifer belonging to the Quercus variabilis family. It is known that the filbert growing in Korea emits a large amount of phytoncide compared to the pine and pine trees. The strong fragrance of cotton is effective for sterilization, deodorization, skin beauty and blood circulation.
Process for producing natural adhesive composition
In another aspect of the present invention, there is provided a method for manufacturing a paper pulp, comprising the steps of: (a) preparing a paper pulp or powder by pretreating the paper mulberry with ammonia water and an acid solution; (b) milling two or more natural minerals to produce a natural mineral powder; (c) mixing the starch and water to prepare a first binder; And (d) mixing 100 parts by weight of the paper pulp or powder, 10-15 parts by weight of the natural mineral powder, and 20-30 parts by weight of the first binder.
In step (a), the mackerel that is backed up may be pretreated with ammonia water and an acid solution, and then may be pulverized or pulverized to produce pulp or powder.
As described above, the skin of a mulberry tree is called a black skin or a rough skin, and if it is processed again, a white skin can be obtained. For example, the mulberry stem is placed in a closed kettle and steamed for 2 hours. Then the skin is peeled off and the skin is absorbed into water for a day. The black skin is then removed by scraping off the skin. After soaking in water for 8 hours, Can be obtained.
The content of lignin in the mackerel can be reduced to 1% by weight or less by sequentially treating the bagred mackerel with ammonia water and an acid solution.
First, 1 to 30% by weight of ammonia water heated to a temperature of 30 to 170 ° C. is introduced into the reactor under a condition of a vapor pressure corresponding to the temperature of the ammonia water, and then contacted with the bagged mackerel for 4 to 6 hours To leach lignin.
Thereafter, the fraction from which the leachate has been removed can be treated with an acid solution of 1 to 10 wt%, preferably 1 to 5 wt%, at a temperature of 120 to 140 DEG C to further remove remaining lignin in the fraction. Specifically, the lignin can be moved and relocated to the surface of the mica by the acid solution. Drops of lignin droplets moved to the surface can flocculate and attach to the surface. Changes in the structural and morphological properties of lignin can increase the effective pore and specific surface area of the mica tree to improve the efficiency of subsequent pulping and pulverizing processes.
The acid solution may contain 1 to 10% by weight of one component selected from the group consisting of sulfuric acid, hydrochloric acid, nitric acid, phosphoric acid, formic acid and a mixture of two or more thereof, and residual organic solvent.
The organic solvent may be selected from the group consisting of esters, ethers, alcohols, ketones, aromatic hydrocarbon solvents, and mixtures of two or more thereof, preferably alcohol-based solvents, and more preferably May be, but is not limited to, ethanol.
In the step (b), two or more natural minerals may be pulverized to produce a natural mineral powder. Wherein the natural mineral is a mixture of jadeite and nephrite at a weight ratio of 30 to 70:30 to 70, respectively; And one selected from the group consisting of pegmatite, ilite, sericite, biotite, tourmaline, gemite, kaolin, limestone and mixtures of two or more thereof. The average particle size of natural mineral powders is 0.01 to 0.05 mm for pegmatite, 0.005 to 0.01 mm for jadeite or nephrite, 0.01 to 0.05 for alumite, sericite and biotite, mm.
In step (c), the first binder is prepared by mixing starch such as potato starch and water at a weight ratio of 20 to 80:20 to 80, respectively. In step (d) 10 to 15 parts by weight of the natural mineral powder, and 20 to 30 parts by weight of the first binder may be mixed to finally obtain an adhesive composition.
In step (d), one selected from the group consisting of manna powder, mugwort powder, green tea powder, charcoal powder, and a mixture of two or more thereof may be further mixed.
In step (d), 20 to 30 parts by weight of one second binder selected from the group consisting of acrylic, epoxy, cellulose, silicone, urethane and mixtures of two or more thereof may further be mixed.
The types and effects of the natural minerals, the second binders and other additives are as described above.
Hereinafter, embodiments of the present invention will be described in detail.
Example
1) Manufacture of paper pulp
The harvested mulberry leaves are cut into a length of 0.1 ~ 3mm, placed in a sealed pot, steamed for 2 hours, and then peeled off in a water bath for one day to fully absorb the water, scrape off the black skin and immerse in water for 8 hours And then washed and dried to obtain white mulberry leaves.
The temperature of the leaching reactor was maintained at about 60 ° C., and then 15 wt% of ammonia water was fed to the leaching reactor and then reacted with the white mulberry for 6 hours. 200 g of the residue from which the lignin was removed from the product was charged into the reactor, and 2,000 ml of 50% (v / v) ethanol as a catalyst with 1% (w / w) sulfuric acid was added to the reactor and preheated at 140 ° C for 40 minutes And treated for 10 minutes. After the treated reactor was cooled to room temperature, the product was taken out, washed with distilled water until there was no color change of the filtrate, and separated into a solid phase fraction and a liquid phase fraction using a glass filter.
100 g of the obtained solid phase fraction was put into a pulverizer and pulverized to 0.1 to 1 mm, and the pulverization was performed for 6 hours. Dissolved white wax was dissolved in caustic soda and aged for 48 hours so that the fiber structure was fixed and maintained at a constant temperature of 20 to 40 ° C. After 24 hours of water washing, dehydration and lyophilization were carried out to obtain paper pulp .
2) Manufacture of natural mineral powder
Pegmatite, jadeite, nephrite, ilite, sericite and biotite were pulverized by ore grinder, respectively, and powdered. The average particle size of each was 0.01 to 0.05 mm for pegmatite, 0.005 to 0.01 mm for jadeite or nephrite, In the case of light, sericite and biotite, it is 0.01 to 0.05 mm.
3) Manufacture of binder
1 kg of potato starch was added to 4 L of water and stirred for 50 minutes while maintaining the temperature at 80 to 90 캜 to prepare a first binder.
On the other hand, acrylic emulsions containing MMA (methyl methacrylate), BAM (butyl acrylate monomer) and polymerized with emulsion polymerization of sodium bisulfate, filler and dispersant were prepared.
4) Preparation of additive powder
The clean, washed cottonwood trunk, mugwort, green tea leaf, and charcoal cut into 3cm size were each put into a blender and pulverized into powder of 0.05-0.2 mm.
5) Preparation of natural adhesive composition
10 parts by weight of pegmatite, 3 parts by weight of jadeite, 2 parts by weight of nephrite, 3 parts by weight of daily light, 3 parts by weight of sericite, 30 parts by weight of the first binder, 30 parts by weight of acrylic emulsion, 1 part by weight of mugwort powder, 1 part by weight of green tea powder and 1 part by weight of charcoal powder were added to a kneader and stirred for a predetermined time to prepare a natural adhesive composition.
Example 2
A natural adhesive composition was prepared in the same manner as in the above Example except that the acrylic emulsion was omitted in the step 5).
Comparative Example 1
A natural adhesive composition was prepared in the same manner as in Example 1, except that in step 1), the white mulberry was pulverized and grown without reacting with ammonia water and an acid solution.
Experimental Example 1
Table 1 shows the results of analyzing the solid phase fraction treated with ammonia water and acid solution in Example 1 and the white mulberry of Comparative Example 1.
In Table 1, according to one embodiment of the present invention, in the case of Mackerel backing paper sequentially treated with ammonia water and an acid solution, most of the lignin is removed, which is a state suitable for the pulping process even though a separate impurity removing step is not performed Able to know.
Experimental Example 2
The natural adhesive compositions prepared in Examples 1 and 2 and Comparative Example 1 were subjected to a tensile test using a jig manufactured according to the KS standard on the basis of the tensile strength measurement standard of the KS F3218 vinyl flooring adhesive, Cured at room temperature for 48 hours, and then pulled up and down at a speed of 3 mm / min using a universal testing machine. The results are shown in Table 2 below.
Referring to Table 2, the adhesive compositions of Examples 1 and 2 were superior in adhesive strength to the adhesive compositions of Comparative Example 1, which had been prepared without a certain pretreatment step.
Experimental Example 3
The natural adhesive composition prepared in Example 1 was coated on one side of a sheet of 100 mm x 200 mm size and dried and placed in a 5 L reactor filled with test gas (ammonia, formaldehyde) and tested according to the test method of KICM-FIR-1085 The deodorization rate was measured with time. The results are shown in Table 3 below.
(min)
(μmol / mol)
(μmol / mol)
(%)
It will be understood by those skilled in the art that the foregoing description of the present invention is for illustrative purposes only and that those of ordinary skill in the art can readily understand that various changes and modifications may be made without departing from the spirit or essential characteristics of the present invention. will be. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may also be implemented in a combined form.
The scope of the present invention is defined by the appended claims, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included within the scope of the present invention.
Claims (10)
10 to 15 parts by weight of two or more natural mineral powders;
20 to 30 parts by weight of a first binder containing starch and water; And
From 20 to 30 parts by weight of a second binder containing one selected from the group consisting of acrylic, silicone, urethane and mixtures of two or more thereof and water.
Wherein the unit fiber length of the paper pulp is 0.1 mm to 3 mm.
Wherein the natural mineral powder comprises,
Jadeite and nephrite are mixed at a weight ratio of 30 to 70: 30 to 70, respectively; And
Pegmatite, ilite, sericite, biotite, tourmaline, gypsum, kaolin, limestone, and mixtures of two or more thereof.
Wherein the natural adhesive composition further comprises one selected from the group consisting of chewy powder, wormwood powder, green tea powder, charcoal powder, and a mixture of two or more thereof.
(b) milling two or more natural minerals to produce a natural mineral powder;
(c) mixing the starch and water to prepare a first binder; And
(d) mixing 100 parts by weight of the paper pulp or powder, 10-15 parts by weight of the natural mineral powder, and 20-30 parts by weight of the first binder,
In the step (d), 20 to 30 parts by weight of a second binder containing one selected from the group consisting of acrylic, silicone, urethane and mixtures of two or more thereof and water is further mixed.
Wherein the acid solution comprises:
1 to 10% by weight of one component selected from the group consisting of sulfuric acid, hydrochloric acid, nitric acid, phosphoric acid, formic acid and a mixture of two or more thereof, and
By weight of the organic solvent.
The natural minerals,
Jadeite and nephrite are mixed at a weight ratio of 30 to 70: 30 to 70, respectively; And
Pegmatite, ilite, sericite, biotite, tourmaline, gemite, kaolin, limestone and mixtures of two or more thereof.
The method of manufacturing a natural adhesive composition according to any one of claims 1 to 5, wherein the step (d) further comprises mixing one selected from the group consisting of manna powder, wormwood powder, green tea powder, charcoal powder and a mixture of two or more thereof.
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| KR102099530B1 (en) * | 2019-03-06 | 2020-04-10 | 장직수 | Fine Dust Adsorption and Formaldehyde-Free Fiber Board And Its Manufacturing Method |
| WO2020141698A1 (en) * | 2018-12-31 | 2020-07-09 | 에코힐링(주) | Eco-friendly finishing material composition |
| KR102173086B1 (en) * | 2019-10-07 | 2020-11-02 | 에코힐링 주식회사 | Eco-friendly Clay for Art Materials and Manufacturing Thereof |
| KR102279823B1 (en) | 2020-10-06 | 2021-07-20 | 김광호 | Mulberry fiber pigment composition and preparation thereof |
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| JP3885131B2 (en) * | 1996-12-26 | 2007-02-21 | 株式会社▲吉▼田生物研究所 | Adhesive resin composition |
| KR101480698B1 (en) * | 2008-03-31 | 2015-01-09 | (주)아모레퍼시픽 | Cosmetic Korean paper powder and the method for preparing thereof |
| KR20150007920A (en) * | 2013-07-12 | 2015-01-21 | 임복임 | Natural Finishing Composition and Production Method Thereof |
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| JP3885131B2 (en) * | 1996-12-26 | 2007-02-21 | 株式会社▲吉▼田生物研究所 | Adhesive resin composition |
| KR101480698B1 (en) * | 2008-03-31 | 2015-01-09 | (주)아모레퍼시픽 | Cosmetic Korean paper powder and the method for preparing thereof |
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| WO2020141698A1 (en) * | 2018-12-31 | 2020-07-09 | 에코힐링(주) | Eco-friendly finishing material composition |
| KR102099530B1 (en) * | 2019-03-06 | 2020-04-10 | 장직수 | Fine Dust Adsorption and Formaldehyde-Free Fiber Board And Its Manufacturing Method |
| KR102173086B1 (en) * | 2019-10-07 | 2020-11-02 | 에코힐링 주식회사 | Eco-friendly Clay for Art Materials and Manufacturing Thereof |
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| KR102279823B1 (en) | 2020-10-06 | 2021-07-20 | 김광호 | Mulberry fiber pigment composition and preparation thereof |
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