KR20090111418A - Preparation method for building finishing composition using waste resins - Google Patents

Abstract

PURPOSE: A preparation method for a building finishing composition using waste resins is provided to exhibit high antibiotic and deodorization properties as well as moisture-adjusting and harmful-material-absorbing function when used in floors and walls of a building. CONSTITUTION: A preparation method for a building finishing composition using waste resins comprises the following steps of: pulverizing waste resins to size of 500-1000 mesh(S10); mixing the waste resin powder, zeolite powder, and rice bran powder(S20); and adding water to the mixture and kneading the dough(S30). The waste resins are collected from binder resins. The building finishing composition is composed of 35-45 parts waste resin powder with the size of 500-1000 mesh, 35-45 parts zeolite powder, and 5-10 parts rice bran powder.

Description

Manufacturing method of building finishing composition using waste resin by-product {PREPARATION METHOD FOR BUILDING FINISHING COMPOSITION USING WASTE RESINS}

The present invention relates to a method for manufacturing a building finishing composition made by recycling waste resin by-products, and specifically, when finished on the wall, floor of the building, exhibits antibacterial and deodorizing ventilation, moisture control function and adsorption of harmful substances The present invention relates to a method for producing a composition for building finishing using an excellent by-product of saturated polyester waste resin.

In general, toners are manufactured and used as pigments by preparing raw materials such as charge control agents, colorants, and release agents to a desired particle size through a process of dispersion, heat melting, cooling solidification, coarse grinding, fine grinding, and classification. In the toner manufacturing process, a binder made of polyester resin is pulverized and used as a raw material for pigment. In the step of crushing the binder, a binder powder having a wide range of particle sizes is formed, and among the binder powders having a wide range of particle sizes, the binder powder corresponding to the particle size of the reference range is classified and used for the pigment. By the way, the binder powder finely ground than the particle size of the reference range can be pulverized and reused in the pigment, but the binder powder finely pulverized than the particle size of the reference range, that is, 130 mesh or more, is used in the toner manufacturing process. In the present invention, since it is not uniformly mixed with the pigment and is disposed as it is, there is a problem that environmental pollution occurs accordingly.

In order to solve the environmental pollution problem of wastes generated in various industrial processes, in order to recycle such wastes, an asphalt composition using synthetic resin-derived waste resins such as plastics and vinyls as a modifier has been disclosed. However, this prior art is for recycling waste resins such as plastic bottles, vinyl, etc. to be discarded, and is not a technique for recycling waste resin by-products of the pigment binder for toner addition as in the present invention. In addition, a method of recycling waste resin powder that uniformly disperses waste resin powder in a solvent and contains surface modification and dispersant is used as a raw material for coating. However, this prior art is also for recycling waste resins such as waste styrofoam, waste thinner, etc., and is not a technique for recycling waste resin by-products of the pigment binder as in the present invention.

Also disclosed is a non-slip finish for construction comprising a binder applied to a finish surface portion and a glass bead integrally fixed before curing of the binder. However, such a non-slip finish for construction has a problem that the construction is difficult and the use range is limited.

Accordingly, an object of the present invention is to provide a method for producing a high value-added building finishing composition by recycling the binder waste resin by-product generated during toner production.

In order to achieve the above object, the present invention provides a method for producing a composition for building finishing produced using the finely ground binder waste resin powder of 130 mesh or more as a main raw material.

The building finishing composition made by recycling the solid waste resin by-products produced by the manufacturing method of the present invention exhibits excellent antibacterial and deodorizing breathability when finished on the wall and floor of a building, as well as a humidity control function and a harmful substance. Adsorption function is excellent. In addition, by recycling industrial waste, it is possible to reduce disposal costs and prevent environmental pollution.

In order to achieve the above object of the present invention, in one embodiment of the present invention, to form a waste resin powder of 500 to 1000 mesh, the waste resin powder 35 to 45 parts by weight, zeolite powder 35 to 45 parts by weight, and It provides a method for producing a composition comprising the step of uniformly mixing 5 to 10 parts by weight of rice bran powder.

Further, in another embodiment of the present invention, at least one rare earth ore selected from the group consisting of bentonite powder, gemstone powder, and elvanite powder, based on 100 parts by weight of the composition prepared by the manufacturing method of an embodiment of the present invention. 5 to 10 parts by weight of the powder may be further included. Preferably, the rare earth ore powder is bentonite powder.

The compositions prepared by the production method of the present invention may be a mixture kneaded by mixing and kneading 30 to 60 parts by weight of water in 40 to 60 parts by weight of the composition in powder form. The temperature of the water at the time of kneading is 40-60 degreeC, Preferably it is 50-60 degreeC.

The composition prepared by the manufacturing method of the present invention can be used by mixing with water and kneading in the state of kneading, such as building wall or floor surface, when used in this way, excellent antibacterial, deodorizing breathability, and adsorption of harmful substances Indicates.

Specifically, the manufacturing method of the building finishing composition using the waste resin according to an embodiment of the present invention, the waste resin powder pulverized to 130 mesh or more obtained in the crushing process of the binder resin is again crushed waste water of 500 to 1000 mesh Forming a ground powder; And uniformly mixing 35 to 45 parts by weight of the waste resin powder of 500 to 1000 mesh, 35 to 45 parts by weight of zeolite powder, and 5 to 10 parts by weight of rice bran powder to prepare a composition for building finishing in powder form. .

In addition, in the method for manufacturing a building finishing composition using waste resin according to an embodiment of the present invention, the building finishing composition mixing step, one selected from the group consisting of bentonite powder, precious stone powder, and elvan stone powder. Mixing the rare earth ore powder in an amount of 5 to 10 parts by weight based on 100 parts by weight of the composition may be further included.

In addition, after the mixing step, it may further comprise the step of kneading by mixing hot water of 40 to 60 ℃ to the building finishing composition of the powder form prepared in the mixing step. Specifically, in the kneading step, by mixing 40 to 60 parts by weight of 30 to 60 parts by weight of water 40 to 60 parts by weight of the composition for building finishing in powder form kneading. Preferably, the temperature of the water is 50 to 60 ° C.

Building finishing composition using waste resin by-products prepared by the production method of the present invention by recycling the saturated polyester binder waste resin that was conventionally discarded, it is possible to reduce the costs associated with the disposal of waste resin and to prevent environmental pollution, It has the effect of obtaining a high value-added building finishing composition.

Now, with reference to the drawings will be described in detail step by step the manufacturing method of the building finishing composition using waste resin.

1 is a flowchart illustrating a method for manufacturing a composition for finishing a building using solid waste resin according to an embodiment of the present invention, Figure 2 is a composition for finishing a building using solid waste resin according to another embodiment of the present invention. It shows the procedure of the manufacturing method.

In a first step, waste resin of 500 to 1000 mesh is formed (step S10).

Specifically, in the process of forming the binder resin powder, 500 to 1000 mesh waste resin, preferably 500 to 650, which is obtained by obtaining finely pulverized waste resin of 130 mesh or more and pulverizing the obtained 130 or more mesh waste resin powder again. Obtain the waste resin of the mesh.

In the second step, the waste resin powder, zeolite powder and rice bran powder are mixed to form a building finishing composition using the waste resin of the solid body (step S20).

Specifically, 35 to 45 parts by weight of the 500 to 1000 mesh waste resin powder, 35 to 45 parts by weight of zeolite powder, and 5 to 10 parts by weight of rice bran powder are uniformly mixed to prepare a building finishing composition using waste resin. The zeolite powder and rice bran powder is used by grinding to an average particle size of 500 to 1000 mesh.

When the average particle size of the waste resin in the manufacturing method of the building finishing composition of the present invention is less than 500 mesh, the physical properties of the composition for building finishing in the state kneaded with water, and if the average particle size of the waste resin exceeds 1000 mesh, the cost of grinding waste resin In comparison, the physical properties of the building finishing composition are no longer increased.

In addition, when the content of the waste resin contained in the building finishing composition using the waste resin by-product of the present invention is less than 35 parts by weight, the bonding strength of the building finishing composition is lowered, and if the content of the waste resin exceeds 45 parts by weight of the zeolite powder content It lowers and the deodorizing function of the composition for building finishing falls.

In addition, the zeolite powder is included in the building finishing composition using waste resin by-products prepared by the method for producing a building finishing composition of the present invention.

Zeolite is a porous crystal composed of silicon (Si) and aluminum (Al), and its structure is loose, so even if it releases moisture filling the space with high heat, its skeleton remains intact, so it cannot adsorb other particulate matter. have. These properties of zeolites can be used as adsorbents or as molecular sieves to separate particulates of different sizes. Specifically, refiners and filter units, detergent deodorants, CPU coolants, and catalysts in the petrochemical industry. It is used a lot. In addition, zeolites are known to emit 90% or more of far-infrared rays, which promote blood circulation in the human body and activate cell activities.

In the present invention, the zeolite has a beneficial effect on the human body by emitting far infrared rays, and exhibits a strong deodorizing breathability to adsorb various odors and harmful substances.

When the average particle size of the zeolite in the manufacturing method of the building finishing composition of the present invention is less than 500 mesh, the surface of the building finishing composition is rough in the state of finishing the building, and if the average particle size of the zeolite powder exceeds 1000 mesh of the zeolite powder The physical properties of the building finishing composition no longer increase compared to the cost of grinding.

In addition, if the content of the zeolite powder contained in the building finishing composition using the waste resin by-product of the present invention is less than 35 parts by weight, deodorization, adsorption and far-infrared emission function of the building finishing composition is reduced, the content of the zeolite powder is 45 weight Exceeding the portion decreases the content of waste resin by-products, thereby lowering the bonding strength of the building finishing composition, and in the state of finishing the building, the building finishing composition is porous to reduce physical properties.

In addition, the building finishing composition using waste resin by-products prepared by the method for producing a building finishing composition of the present invention includes rice bran powder. In the present invention, the rice bran powder serves to promote gelation when the waste resin powder and the zeolite powder are dissolved in water.

When the average particle size of the rice bran powder in the manufacturing method of the building finishing composition of the present invention is less than 500 mesh, the surface of the building finishing composition is rough in the state of finishing the building, the average particle size of the rice bran powder exceeds 1000 mesh The physical properties of the building finishing composition no longer increase when compared to the cost of grinding bran powder.

In addition, if the content of rice bran powder contained in the composition for building finishing using the waste resin by-product of the present invention is less than 5 parts by weight, the mixture of the waste resin and zeolite powder is not gelled properly, the content of rice bran powder is 10 parts by weight If exceeded, the strength of the building finishing composition is greatly reduced in the state of finishing the building.

In the mixing step (step S20), according to the above content ratio, waste resin powder, zeolite powder, and rice bran powder is uniformly mixed to prepare the building finishing composition of the present invention as a powder form.

In another embodiment of the present invention, in the mixing step (step S20), at least one rare earth ore powder selected from the group consisting of bentonite powder, precious stone powder, and elvan stone powder is contained in 5 parts by weight of 100 parts by weight of the composition, respectively. It may further comprise the step of mixing in an amount of 10 parts by weight (step S20 '). The bentonite powder, precious stone powder, and elvan stone powder are ground and used to have an average particle size of 500 to 1000 mesh.

In the present invention, rare earth ore refers to a silicate-based clay ore, and when heat is applied, it emits a small amount of electricity and at the same time continuously emits anions.

Kiyoseki (Kiyoseki) is the material that emits the most anions among the feldspar system (24.140 ed / cc.sec), the material that emits the far infrared rays at 25 ℃. These gemstones are minerals that exhibit high surfactant effects, increase alpha waves in brain waves, increase blood flow by 4.9%, and decrease blood flow rate by 7.2%.

Bentonite belongs to granite island rock rock among igneous rocks. Its main components are silicic anhydride and aluminum oxide, and it contains small amount of ferric oxide. It consists of 30,000 to 150,000 pores per cubic centimeter, and is highly adsorbable. It contains inorganic salts. It is used as a toxic metal remover because it exchanges heavy metals and ions, and it is known to emit far infrared rays when heat is applied to this rock. Because of these characteristics, it is used in various fields such as jjimjilbang, tableware, medical equipment.

Elvanite is a semi-central rock belonging to the quartz rock and feldspar rock formations. It is a white ore mineral, acting as a natural superconductor, and was first discovered in China. The mineralogy of elvan is known to have excellent porosity and antibacterial function due to its porosity, 40 kinds of mineral elements, and very rich oxygen content. In addition, ganbanite not only exhibits the adsorption action due to the porosity of silicon dioxide and aluminum trioxide, but also emits far infrared rays when heat is applied. Barley rock is currently widely used as a water purifying agent, a cosmetic, and a food preservative.

When the average particle size of the rare earth ore powder is less than 500 mesh in the manufacturing method of the building finishing composition of the present invention, the surface of the building finishing composition is rough in the state of finishing the building, and the average particle size of the rare earth ore powder is 1000 mesh. If exceeded, the physical properties of the building finishing composition are no longer increased compared to the grinding cost of the powder.

In addition, when the content of the rare earth ore powder contained in the mixing step of the building finishing composition using the waste resin of the present invention is less than 5 parts by weight, the far-infrared and anion emission function of the building finishing composition of the present invention is reduced, the rare earth mineral powder When the content of more than 10 parts by weight of the strength of the building finishing composition is lowered.

In the building finishing composition of the present invention, rare earth ore powders such as bentonite powder, precious stone powder and elvan stone powder have a beneficial effect on the human body by releasing anions and far infrared rays, synergistically with zeolite to effectively adsorb odors and harmful substances can do.

In the third step, by mixing 40 to 60 parts by weight of water of 40 to 60 ℃ to 40 to 60 parts by weight of the composition for building finishing in the form of powder prepared by the composition ratio as described above (step S30). Preferably, the water is acidic water. Preferably, the temperature of the water is 50 to 60 ° C.

In the process of kneading the building finishing composition as described above, if the temperature of the water mixed in the building finishing composition is less than 40 ℃ bond strength of the building finishing composition is not properly expressed, if the temperature of the mixed water exceeds 60 ℃ The composition for building finishing deteriorates.

The composition for finishing buildings using waste resin prepared by the manufacturing method of the present invention exhibits excellent antibacterial, deodorizing, and adsorption of harmful substances when used by finishing the walls, floors, etc. of buildings.

The present invention will now be further described with reference to Examples and Test Examples. The examples and test examples merely illustrate the invention and do not limit the invention in any way.

Example  One

1) In order to use the waste resin by-product, 130 mesh or more saturated polyester waste resin obtained in the grinding process of the binder resin was ground to about 500 mesh. In the same way the zeolite and rice bran were ground to about 500-650 mesh each.

2) 4 kg of the saturated saturated polyester resin, 4 kg of zeolite powder, and 1 kg of rice bran powder are mixed uniformly, 1 kg of bentonite powder pulverized into 500 mesh is mixed, and 10 kg of acidic water is added and uniformly kneaded, A composition for building finishing was obtained.

3) The composition obtained in the above-described process was applied to the inside of a cube-shaped test box having one side each having a width, length, and height and formed of cement, and then dried.

Test Example  One

The deodorizing performance inside the test box to which the composition for building finishing according to the embodiment was applied was subjected to ammonia (NH ₃ ) deodorizing test based on KICM-FIR-1085 which is a deodorizing test method, and the results are shown in Table 1 below. Shown in

Deodorization test result of building finishing composition division Test gas ammonia deodorization test Elapsed time (minutes) Blank concentration (ppm) Sample concentration (ppm) Deodorization rate (%) Test result 0 200 200 - 30 176 79 55.1 60 169 70 68.6 90 152 61 79.9 120 145 57 99.7

As shown in Table 1, the composition for building finishing according to the present invention was found to be excellent deodorizing function.

Test Example  2

In addition, the building finishing composition according to the embodiment was tested according to KICM-FIR-1042, which is an antimicrobial test method by Escherichia coli, and the results are shown in Table 2 below.

Antibacterial test results by Escherichia coli of the building finishing composition division Test Items Bacterial reduction rate after 24 hours of testing Antibacterial test by E. coli Blank 422-2865 Waste resin composition of the present invention 99.8%

As shown in Table 2, the composition for building finishing according to the present invention showed a high bacterial reduction rate.

Test Example  3

Field Measurement Before and After Construction of Volatile Organics and Formaldehyde

In addition, the building finishing composition according to Example 1 was finished on the wall surface of the building, and the formaldehyde emission amount was measured based on EPA8315A, which is a formaldehyde measuring method. In addition, volatile organics were hardly released from 1.90ppm before construction to 0.01ppm after construction.

As can be seen from the test results, the building finishing composition prepared by the manufacturing method of the present invention can exhibit excellent antibacterial, deodorizing and adsorption of harmful substances when used as a finishing composition, such as wall, floor.

Building finishing composition using the solid waste resin by-product prepared by the manufacturing method of the present invention by recycling the binder waste resin that was previously discarded, not only can reduce the cost of waste resin disposal and prevent environmental pollution, It has the effect of obtaining a high value-added building finishing composition.

In addition, when the building finishing composition prepared by the manufacturing method of the present invention to the building finish, since the composition of the present invention emits negative ions and far-infrared radiation, while deodorizing the building and controlling humidity, while moisturizing during heating It also has the effect of enhancing the effect.

1 is a flow chart of a method for manufacturing a building finishing composition according to an embodiment of the present invention.

2 is a flow chart of a method for manufacturing a building finishing composition according to another embodiment of the present invention.

Claims (8)

Pulverizing the waste resin powder pulverized to 130 mesh or more obtained in the crushing process of the binder resin to form 500 to 1000 mesh waste resin powder, and 35 to 45 parts by weight of the 500-1000 mesh waste resin powder, 35 to 45 parts by weight of zeolite powder, and 5 to 10 parts by weight of rice bran powder are uniformly mixed to prepare a composition for building finishing in powder form. A method of producing a composition for building finishing using a solid waste resin by-product comprising a. The method of claim 1, wherein in the mixing step of the waste resin powder, zeolite powder, and rice bran powder, 100 weight composition of at least one rare earth ore powder selected from the group consisting of bentonite powder, precious stone powder, and elvan powder Method for producing a composition for building finishing using solid waste resin, characterized in that it further comprises the step of mixing in an amount of 5 to 10 parts by weight relative to each part. According to claim 1 or 2, after the mixing step, further comprising the step of kneading by mixing the hot water of 40 to 60 ℃ to the composition for building finishing in powder form prepared in the mixing step Method for producing a composition for building finishing using solid waste resin. According to claim 3, In the step of kneading, solid waste resin, characterized in that to knead by mixing 30 to 60 parts by weight of water of 40 to 60 ℃ with respect to 40 to 60 parts by weight of the composition for building finishing in powder form Method for producing a composition for building finishing. The method for producing a composition for building finishing using solid waste resin according to claim 4, wherein the water has a temperature of 50 to 60 ° C. The method of claim 1 or 2, wherein the waste resin is a waste resin comprising a saturated polyester (saturated polyester). The method according to claim 1 or 2, wherein the average particle size of the zeolite powder and rice bran powder is 500 to 1000 mesh, respectively. 3. The method of claim 2, wherein the average particle size of the bentonite powder, the cyanite powder, and the elvan powder is 500 to 1000 mesh, respectively.

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