KR101941970B1 - Eco-friendly semi-fireproof plywood using paper and manufacturing method thereof - Google Patents

Abstract

The present invention relates to an environmentally-friendly semi-nonflammable plywood using paper and a manufacturing method thereof. According to the present invention, the manufacturing method comprises: a step of spraying a mixture of sodium silicate, ceramic powder, and a water-soluble water repellent over inner and outer sides of a corrugated cardboard, wherein a weight ratio of the corrugated cardboard, the sodium silicate, the ceramic powder, and the water-soluble water repellent is 170:50 to 150:10 to 30:5.5 to 15; and a step of drying the corrugated cardboard having the mixture sprayed thereon. Accordingly, a basic frame of the corrugated cardboard is used as it is to provide functionality such as living waterproofing, soundproofing, terminal insulation, and lightweight properties as well as semi-nonflammable property, and thus, the environmentally-friendly semi-nonflammable plywood is able to be used for various purposes due to excellent usefulness in building, finishing, interior, and furniture materials. Moreover, manufacturing and automation of a manufacturing process are easy, and thus, productivity is able to be largely enhanced. Moreover, being environmentally-friendly, the environmentally-friendly semi-nonflammable plywood is able to create a safe space while reducing elements harmful to a human body, and is able to promote improvement of working efficiency and safety of a worker, and satisfy economic efficiency.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an Eco-friendly semi-fireproof plywood using paper,

The present invention relates to an environmentally friendly semi-inflammable laminate using paper and a method of manufacturing the same. More particularly, the present invention relates to an environmentally friendly semi-inflammable laminate using paper, Friendly semi-inflammable laminate and a method of manufacturing the same.

Generally, plywood used widely as a building material is widely used in buildings, but it has a fatal disadvantage that it is vulnerable to fire. Therefore, when a fire occurs, it can cause a high degree of personal injury due to the generation of high temperature and poisonous gas due to burning of the plywood.

In order to prevent human injury in case of such a fire, it is required to use a material which is not burned as much as possible and which emits a less toxic gas. Therefore, a gypsum board is widely used.

As a related art related to a gypsum board having a nonflammable property, Korean Patent Laid-Open No. 10-2012-0043876 entitled " Nonflammable facia panel integrally bonded with a gypsum board and its installation and manufacturing method " has been disclosed. This is characterized in that the nonflammable makeup panel integrally joined with the gypsum board, which is used for a building interior material or a building interior, is installed in the following S1 and S2 steps. Here, step S1 is a step in which studs are fastened and fixed to an inner wall of a building, welded metal tubes made of iron or zinc steel, and studs connected to the inner walls of the building with fastening screws or anchor bolts. In step S2, a non-incombustible decorative panel having a gypsum board integrally bonded to the outside of the stud is joined and fastened. In step S1, aluminum oxide coated on the surface of the gypsum board is coated with 50 To 70% by weight of a flame-retardant silicone adhesive is laminated on the back of the gypsum board, and a gypsum bond, which is an adhesive applied to the back surface of the gypsum board, and a fastening screw And the installation of the nonflammable makeup panel in which the gypsum board is integrally joined is completed.

Such conventional techniques have caused environmental problems by using materials such as gypsum in order to satisfy the nonflammability, and the use thereof has been avoided by the user. Therefore, it has become necessary to develop a plywood that can reduce the damage of fire while using materials to satisfy environment-friendly demands.

These problems are not limited to building materials but are applied to all plywoods and boards such as finishing materials, interior materials and furniture materials.

In order to solve the problems of the prior art, the present invention uses a paper corrugated cardboard as a basic skeleton to impart functionality such as waterproof, soundproof, thermal insulation, lightweight, It can be used for various purposes due to its excellent efficiency in materials and furniture materials, and it is easy to manufacture, and automation of the manufacturing process is facilitated, which contributes greatly to the improvement of productivity, and it is eco- It is aimed to make safe and secure space possible, to improve work efficiency, to ensure the safety of workers, and to satisfy economic feasibility.

According to an aspect of the present invention, there is provided a method of manufacturing a paper corrugated cardboard, comprising the steps of: spraying a mixture of sodium silicate, ceramic powder, and water-repellent water repellent over the entire inside and outside of a paper corrugated cardboard, Wherein the ceramic powder and the water-soluble water repellent agent have a weight ratio of from 170:50 to 150:10 to 30: 5.5 to 15; And drying the paper corrugated paper on which the mixture is sprayed. The present invention also provides a method of manufacturing an environmentally friendly semi-fireproof plywood using paper.

The step of spraying the mixture on the paper corrugated paperboard can be produced by pressing and molding the paper corrugated paperboard by drying a mixture of paper and vegetable starch in a weight ratio of 8 to 12: 1.

In the step of spraying the mixture on the paper corrugated cardboard, the ceramic powder may be a mica powder.

The step of spraying the mixture on the paper corrugated cardboard may include 0.5 to 5 g of a silicone water repellent agent and 5 to 10 g of an acrylic water repellent agent when the water repellent agent is based on 170 g of the paper corrugated paper.

The step of drying the paper corrugated cardboard comprises: removing moisture from the corrugated cardboard paper by spraying the mixture at 150 to 190 ° C for 1 to 2 minutes in an electric heating furnace; And heating the paper corrugated paper in which the mixture is sprayed by heating at 150 to 190 ° C for 1 to 2 minutes by hot air after completion of heating in the electric heating furnace.

Wherein the step of drying the paper corrugated cardboard further comprises: before the step of removing moisture from the electric heating furnace, the paper corrugated cardboard is dried in a state in which the hollow is vertically set, air blown downward from the blower located above the paper corrugated cardboard And removing the mixture filled in the hollow of the paper corrugated cardboard by the corrugated cardboard.

After the step of drying the paper corrugated cardboard, the step of cooling the paper corrugated cardboard with air at room temperature for 1 to 2 minutes may be further included.

The paper corrugated paperboard is moved to the lower side of the spray by the conveyor in a state where the corrugated paperboard is vertically set up by the jig so as to be vertical so that the mixture is sprayed downward by the spray to be applied to the outside of the paper corrugated cardboard and the inside of the hollow , The paper corrugated paper on which the mixture is sprayed is moved to the lower side of the first blower by the conveyor so that the mixture is separated from the hollow of the paper corrugated paper by the air blown from the first blower, The paper corrugated paperboard is moved to the inside of the electric heating furnace by the conveyor so that water is removed by heating at 150 to 190 ° C for 1 to 2 minutes in the electric heating furnace, By the hot air drier, Stand 1-2 minutes sikimyeo hot air heated and dried while, by moving the corrugated paper toward the second fan by the conveyor, wherein the can be cooled in air at room temperature for 1-2 minutes by the second blower.

According to another aspect of the present invention, there is provided an eco-friendly semi-fire retardant plywood using paper, which is produced by a method of manufacturing an environmentally friendly semi-fire retardant plywood using paper according to one aspect of the present invention.

According to the eco-friendly semi-fireproof laminate using paper according to the present invention and the method for manufacturing the same, the paper corrugated cardboard can be used as it is as a basic skeleton to provide semi-incombustibility and functionality such as water resistance, sound insulation, heat insulation, lightweight, It can be used for various purposes and is easy to manufacture and can easily contribute to the improvement of productivity by facilitating the automation of the manufacturing process and can be applied to the human body It is possible to securely create a space while reducing harmful elements, improve work efficiency and safety of workers, and satisfy economical efficiency.

1 is a flowchart illustrating a method for manufacturing an environmentally friendly semi-fireproof laminate using paper according to an embodiment of the present invention.
2 is a schematic view showing an apparatus used in a method of manufacturing an environmentally friendly semi-fireproof laminate using paper according to an embodiment of the present invention.
FIGS. 3 to 9 are test results related to the fire-retardant performance of the environment-friendly semi-fireproof laminated board using paper according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the invention are shown. It should be understood that the present invention is not limited to these specific embodiments but includes all changes, equivalents, and alternatives included in the technical idea of the present invention.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals are used to designate identical or corresponding elements, and redundant description thereof will be omitted .

An eco-friendly semi-fireproof laminate using paper according to an embodiment of the present invention is manufactured by a method of manufacturing an environmentally friendly semi-fireproof laminate using paper according to an embodiment of the present invention, Soda, ceramic powder and water-soluble water repellent agent in a weight ratio of 170: 50 ~ 150: 10 ~ 30: 5.5 ~ 15. Here, when the weight of the paper corrugated board, the soda silicate, the ceramic powder, and the water-soluble water repellent is out of the range, it is difficult to exhibit a uniform non-burning effect throughout the paper corrugated cardboard, and the physical properties and quality of the paper corrugated cardboard are difficult to maintain. As the water-soluble water repellent agent, for example, a water seal product may be used. As the ceramic powder, it may be a mica powder excellent in the incombustibility, and the same weight ratio as that of the ceramic powder Can be mixed.

The paper corrugated paper is formed in a plurality of hollows in the inside, and the corrugated paper of various types and structures including all of the corrugated cardboards including the bifurcated two-layered hollow structure or the three- And can have various sizes, including 30 cm in width and length, respectively. Paper corrugated paperboard can be produced, for example, by pressing and molding by drying a mixture of paper and vegetable starch in a weight ratio of 8 to 12: 1. Here, the vegetable starch can play a role of a thickener and an extender, and is eco-friendly because it is harmless to the human body together with paper. If the weight ratio of the paper and the vegetable starch is out of the above range, it is difficult to obtain the physical properties required for paper corrugated paperboard, and it is difficult to manufacture paper corrugated paperboard.

Water-based water repellent agents can be used, for example, water seal products. Other examples include 0.5 to 5 grams of a silicone water repellent agent and 5 to 10 grams of an acrylic water repellent agent based on 170 grams of paper corrugated paper. If the ratio is out of the range, it is difficult not only to exhibit a uniform non-burning effect throughout the paper corrugated paper, but also to fail to exhibit the incombustible effect and to impair the stability, and the paper corrugated paper may not have the desired quality as a product.

After the mixture is sprayed on paper corrugated paper, the water is removed from the electric heating furnace at 150 to 190 ° C for 1 to 2 minutes, and then dried by hot air drying at 150 to 190 ° C for 1 to 2 minutes in a hot air drier. Also, after the mixture is sprayed onto the paper corrugated paper, the mixture filled in the hollow of the paper corrugated paper is separated and removed by the air blown downward toward the paper corrugated paper set up vertically from the blower before the moisture is removed from the electric heating furnace , Hot air is heated, and after drying, air is cooled at room temperature for 1 to 2 minutes to enable handling. Here, the electric heating furnace may be composed of a heating furnace for heating by radiating infrared rays by electricity. In this way, it is possible to effectively separate and remove the mixture filled in the hollow of the paper corrugated cardboard set up vertically so as to be vertical from the hollow by the self-weight and the air blowing force of the air, and to remove water without applying external force such as air blowing in the electric heating furnace So that thermal deformation is minimized even if heat is applied for drying, and drying is firstly performed in an electric heating furnace so as to minimize deformation to the paper corrugated board, and then the moisture can be completely removed by drying by hot air heating do.

1 is a flowchart illustrating a method for manufacturing an environmentally friendly semi-fireproof laminate using paper according to an embodiment of the present invention.

As shown in FIG. 1, a method for manufacturing an environmentally friendly semi-fireproof laminate using paper according to an embodiment of the present invention is a method for manufacturing an environmentally friendly semi-fireproof laminate using paper according to an embodiment of the present invention. The following is a description.

First, a mixture of sodium silicate, a ceramic powder and a water-soluble water repellent agent is sprayed on the inside and the outside of the paper corrugated cardboard. The paper corrugated board, the sodium silicate, the ceramic powder and the water repellent agent are mixed in a ratio of 170:50 to 150:10 to 30: (S11). Here, when the weight of the paper corrugated paper, the sodium silicate, the ceramic powder, and the water-soluble water repellent is out of the range, it is difficult to exhibit a uniform non-burning effect throughout the paper corrugated cardboard, and it is difficult to maintain the quality of the paper corrugated cardboard.

Step S11 of spraying the mixture onto paper corrugated paperboard is made by pressing and molding paper corrugated paperboard by drying a mixture of paper and vegetable starch in a weight ratio of 8 to 12: 1. Here, a mixture of paper and vegetable starch may be dried and then subjected to press and molding processes for the production of known paper corrugated paper using the same as a raw material. Here, when the weight ratio of paper and vegetable starch is out of the range, it is difficult to obtain the physical properties required for paper corrugated paperboard, and it is difficult to manufacture paper corrugated paperboard.

Also, step (S11) of spraying the mixture on the paper corrugated paperboard may include 0.5 to 5 g of silicone water repellent and 5 to 10 g of acrylic water repellent agent when the water repellent agent is based on 170 g of paper corrugated paper. If the weight ratio of the silicone water repellent agent and the acrylic water repellent agent is out of the range, it is difficult to exhibit a uniform fire retardant effect throughout the paper corrugated paperboard, and the incombustible effect can not be exhibited properly and the stability is deteriorated. You can not have it.

Then, the paper corrugated paper in which the mixture is sprayed is dried (S12, S13, S14).

The step of drying the paper corrugated cardboard is performed by heating the paper corrugated paper with the mixture at 150 to 190 ° C for 1 to 2 minutes to remove moisture by heating in an electric heating furnace (S13) , And drying the paper corrugated paper by spraying the mixture at 150 to 190 DEG C for 1 to 2 minutes with hot air to dry (S14).

The step of drying the paper corrugated cardboard is performed by air blown downward from the blower located above the paper corrugated cardboard in a state in which the paper corrugated paperboard is vertically placed with the hollow before the step (S13) And removing the mixture filled in the hollow of the paper corrugated cardboard (S12).

After the step of drying the paper corrugated cardboard, the step (S15) may be followed by cooling with air at room temperature for 1 to 2 minutes. Thus, economics of cooling for paper corrugated paper facilitates handling for subsequent.

Referring to FIG. 2, a method of manufacturing an environmentally friendly semi-flammable plywood using paper according to an embodiment of the present invention can utilize an automatic system. For example, when a paper corrugated cardboard 1 is rolled by a jig 12, The mixture is sprayed downward by the spray 13 to be applied to the outside of the paper corrugated cardboard 1 and to the inside of the hollow by moving the conveyor 11 downward by the conveyor 11 The paper corrugated cardboard 1 from which the mixture has been injected is moved to the lower side of the first blower 14 by the conveyor 11 so that the air is blown from the hollow of the paper corrugated cardboard 1 by the air blown from the first blower 14, And the paper corrugated cardboard 1 is moved to the inside of the electric heating furnace 15 by the conveyor 11 so as to be heated in the electric heating furnace 15 at 150 to 190 DEG C for 1 to 2 minutes To remove the moisture , The paper corrugated cardboard 1 is moved to the inside of the hot air dryer 16 by the conveyor 11 and heated by the hot air dryer 16 at 150 to 190 ° C. for 1 to 2 minutes to dry the paper corrugated cardboard 1 1 can be cooled by air at room temperature for 1 to 2 minutes by the second blower 17 by moving the first blower 17 to the side of the second blower 17 by the conveyor 11. [

The jig 12 can support the paper corrugated cardboard 1 to minimize contact by point contact or line contact or the like, and can also have various contact support structures to minimize contact. The jig 12 may have a structure fixed to the belt of the conveyor 11 so as not to be undesirably separated from the belt of the conveyor 11, for example, so that the jig 12 can perform an endless track motion together with the belt of the conveyor 11, Lt; RTI ID = 0.0 > 11). ≪ / RTI > The spray 13 may be provided with a plurality of spray nozzles to spray downwardly the mixture supplied by the pumping force of the feed pump from the tank filled with the mixture. The electric heating furnace 15 can perform primary drying on the paper corrugated cardboard 1 by infrared rays emitted from an infrared lamp provided inside the chamber. The hot air dryer 16 can perform secondary drying on the paper corrugated cardboard 1 by hot air emitted from the hot air provided inside the chamber. A plurality of position sensors (not shown) for detecting the positions of the paper corrugated cardboard 1 and the jig 12 are provided on the conveyor 11 and a plurality of temperature sensors Can be installed. Accordingly, the control unit (not shown) receives the detection signals of the position sensor and the temperature sensor, and controls the conveyor 11, The spray 13, the first blower 14, the electric heating furnace 15, the hot air dryer 16, the second blower 17, and the like.

FIGS. 3 to 9 show the performance of the eco-friendly semi-fireproof laminated board using paper according to an embodiment of the present invention, including fire-retardant performance, at Korea Institute of Construction & Living Environment Test (CT17-071104, July 10, 2017) It is one report. An example of the test used here was to spray a mixture of soda silicate, mica powder, silicone water repellent and acrylic water repellent over the inside and outside of the paper corrugated cardboard with paper corrugated paper, sodium silicate, mica powder, silicone water repellent, So that the mixture is separated from the hollow of the paper corrugated cardboard by air blowing for 1 minute and 30 seconds with the weight ratio of 100: 20: 1.5: 7, The paper corrugated paperboard is heated in an electric heating furnace at about 170 ° C. for 1 minute and 30 seconds to remove moisture, and the paper corrugated paperboard is heated by a hot air dryer at 170 ° C. for 1 minute and 30 seconds, Dried, and the paper corrugated paper is cooled with air at room temperature for 1 minute and 30 seconds. Referring to FIGS. 3 to 9, it can be seen that the smoke resistance performance of this embodiment is satisfactory.

According to the eco-friendly semi-fireproof laminate using the paper and the method of manufacturing the same according to the present invention, the paper corrugated cardboard is used as it is as a basic skeleton to provide semi-incombustibility as well as functionality such as waterproof, soundproof, It can be used in various applications due to its excellent efficiency in materials, finishing materials, interior materials and furniture materials, and is easy to manufacture and can be easily automated in the manufacturing process, thereby contributing greatly to productivity improvement.

Further, according to the present invention, it is possible to provide a safe space while reducing harmful elements to the human body by making it eco-friendly, and it is possible to improve the working efficiency, the safety of the worker, and satisfy the economical efficiency.

Although the present invention has been described with reference to the accompanying drawings, various modifications may be made without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the above-described embodiment, but should be determined by the claims and equivalents thereof.

11: Conveyor 12: Jig
13: Spray 14: Blower
15: electric heating furnace 16: hot air dryer
17: blower

Claims (6)

Ceramic powder and water-repellent agent are sprayed over the entire inner and outer sides of the paper corrugated cardboard, wherein the paper corrugated paperboard, the sodium silicate, the ceramic powder and the water-repellent agent are in a ratio of 170: 50-150: 10-30: 5.5 To 15; And drying the paper corrugated paper on which the mixture is sprayed,
The step of spraying the mixture on the paper corrugated paperboard is characterized in that the paper corrugated paperboard is produced by pressing and molding by drying a mixture of 8 to 12: 1 by weight of paper and vegetable starch, 0.5 to 5 g of a silicone water repellent agent and 5 to 10 g of an acrylic water repellent agent when the water-repellent agent is based on 170 g of the paper corrugated paper, wherein the ceramic powder is composed of mica powder,
Drying the paper corrugated cardboard,
Removing water from the paper corrugated paper by spraying the mixture in an electric heating furnace at 150 to 190 ° C for 1 to 2 minutes; And
Heating the paper corrugated cardboard with the mixture sprayed thereon by hot air at 150 to 190 ° C for 1 to 2 minutes after completion of heating in the electric heating furnace,
Drying the paper corrugated cardboard,
Wherein the paper corrugated paperboard is filled in the hollow of the paper corrugated cardboard by air blown downward from the blower located above the paper corrugated cardboard in a state in which the paper corrugated paperboard is vertically set so that the hollow is vertical, Further comprising the step of removing the mixture. ≪ RTI ID = 0.0 > 8. < / RTI >
delete delete The method according to claim 1,
Further comprising the step of cooling the paper corrugated paper with air at room temperature for 1 to 2 minutes after the step of drying the paper corrugated paperboard. Ceramic powder and water-repellent agent are sprayed over the entire inner and outer sides of the paper corrugated cardboard, wherein the paper corrugated paperboard, the sodium silicate, the ceramic powder and the water-repellent agent are in a ratio of 170: 50-150: 10-30: 5.5 To 15; And drying the paper corrugated paper on which the mixture is sprayed,
The step of spraying the mixture on the paper corrugated paperboard is characterized in that the paper corrugated paperboard is produced by pressing and molding by drying a mixture of 8 to 12: 1 by weight of paper and vegetable starch, 0.5 to 5 g of a silicone water repellent agent and 5 to 10 g of an acrylic water repellent agent when the water-repellent agent is based on 170 g of the paper corrugated paper, wherein the ceramic powder is composed of mica powder,
The paper corrugated paperboard is moved downward by the conveyor 11 in a state where the corrugated paperboard is vertically held by the jig 12 so that the corrugation is vertical so that the mixture is sprayed downward by the spray 13 The paper corrugated paper is ejected from the first blower 14 by being moved to the lower side of the first blower 14 by the conveyor 11 so as to be applied to the outside of the paper corrugated cardboard and the hollow inside thereof, (15) by moving the paper corrugated paperboard to the inside of the electric heating furnace (15) by the conveyor (11) so that the mixture is separated from the hollow of the paper corrugated paper by air, The water is removed by heating at 190 ° C for 1 to 2 minutes and the paper corrugated paperboard is moved to the inside of the hot air dryer 16 by the conveyor 11 , And heated by the hot air dryer (16) at 150 to 190 ° C. for 1 to 2 minutes to dry the paper corrugated paperboard. The paper corrugated paperboard is moved to the second blower (17) side by the conveyor (11) (17) with air at room temperature for 1 to 2 minutes. A paper-based environmentally friendly semi-fireproof laminate produced by the method of manufacturing an environmentally friendly semi-fireproof laminate using the paper according to any one of claims 1, 4 and 5.

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