KR100316362B1 - Manufacturing Method and Struture of Soundproofing Layer of Alternation Timber Using Wasted Plastic - Google Patents

Abstract

PURPOSE: A method for manufacturing substitute wood plate and a plate structure are provided to reduce a cost as well as to provide the plate of lightweight, hard and capable of assembling easily by forming an outer layer into an un-foam layer and an inner layer into a foam layer to absorb a noise using a waste plastic. CONSTITUTION: A waste synthetic resin such as a plastic, polypropylene, polyethylene, etc. is ground and a forming agent(hydrazine derivatives) of 0.1wt %, an accelerant(amine) of 0.1wt %, a stabilizer(hindered amide) of 0.1wt % are mixed at the ground waste synthetic resin. A mixed compound is extruded and formed through an extruder(1) and a mold(2). The inner layer(4) is foamed by a bubbler(3) and becomes a sponge. The waste synthetic resin such as a plastic, polypropylene, polyethylene, etc. is ground and an ultraviolet interception agent of 0.1wt % is mixed at the ground waste synthetic resin. The mixed compound is extruded and formed through an extruder(5) and the mold(2) to have an outer layer(6) of an un-foam. A side of the inner layer and the side of the outer layer are contacted and transferred, and the plate of dome shape is completed through a sizing of the transferred inner layer and outer layer. The completed plate is cooled rapidly and is heated by a heater(9) and is manufactured by a transcription of a pattern to the outside of the outer layer(6).

Description

Manufacturing Method and Struture of Soundproofing Layer of Alternation Timber Using Wasted Plastic}

The present invention relates to a method of manufacturing a replacement wood soundproof board using waste plastic and a soundproof board structure.

In general, the soundproof plate constituting the soundproof wall has a sound-absorbing effect by absorbing the surrounding noise by assembling the sound-absorbing member between the front plate formed with various types of sound-absorbing holes on the front surface and the back plate bent in a predetermined shape. .

In recent years, sound barriers made of soundproof panels have been developed in such a way as to harmonize with the surrounding environment and create an aesthetic sense. Especially, sound barriers installed around schools, houses, apartments, rivers, beaches, and mountainous areas are suitable for these nature and buildings. It is required to have a color to have a useful value as a sculpture other than the soundproofing effect.

In order to meet these demands, conventional sound insulation boards are manufactured by forming a thin plate made of aluminum plate or iron plate in a certain shape in order to maintain its strength, and then assembling the front plate and the back plate, and on the front and rear surfaces of the soundproof plate thus manufactured. The paint is sprayed and painted to show the color on the soundproof panel.

Such a conventional color soundproofing board and a general soundproofing board are very ugly in appearance due to deformation and peeling of the color coated on the surface due to wind pressure, ambient climate, and impact when left installed for a long time. .

In view of this point, in recent years, there is an attempt to provide a soundproof wall using wood to suit the surrounding environment. However, in Korea, most of the wood is imported, especially in Korea, so the cost of installing soundproof walls using wood is excessive, and the abrasion, weather resistance, hardness, shear force, tensile strength and compressive strength are weak. Because of its weak waterproofness, the appearance of the soundproof wall is beautiful, but the function of the soundproof wall is deteriorated.

The present invention is intended to provide a soundproof plate having a durable, durable appearance without having to change the appearance of wood to reduce the installation cost of the soundproof wall and increase the scratch and blocking effect.

According to the present invention, the outer layer is a non-foaming layer and the inner layer is a foaming layer, but the outer layer has a wood pattern layer and the inner layer absorbs noise.

In order to achieve the above object, the present invention pulverizes a waste synthetic resin (waste plastic) such as PS (polystyrene) or PP (polypropylene) or PE (polyethylene), extrudes and molds through an extruder and a mold, and the inner layer is foamed. By foaming, the outer layer is non-foamed at the same time, and the surface of the foamed layer and the surface of the non-foamed layer are adhered and transported.Then, the foamed and non-foamed layer is rapidly cooled and drawn out while sizing is completed. In addition, the heating treatment, and the non-foamed layer on the outer surface of the pattern transfer (or painting) or patterned sound / embossed to give the shape and color of the wood. The present invention is also characterized in that the waste wood powder to the waste synthetic resin Mixing and extrusion molding is characterized in that to improve the workability.

1 is a process chart for explaining the manufacturing process of the present invention

2 is a state diagram assembled as a soundproof plate cross-sectional configuration of the present invention

3 is a cross-sectional view of a heat insulating material or a sound absorbing member that can be produced by the present invention.

<Code Description of Main Parts of Drawing>

1, 5: compressor 2: mold 3: foaming machine

4: inner layer 6: outer layer 6 ': hole

7: Sizing 8: Dispenser 9: Heater

1O: Sound absorbing material A: Soundproof plate A ': Fitting projection

A ': fitting recess B: insulation or sound absorbing member

The present invention is pulverized waste synthetic resin, such as PS or PP or PE, and then mixed with an appropriate amount of blowing agent, accelerator, stabilizer, oxidizing agent, pigment, extruded, molded through an extruder and a mold, and the PS or at the same time to form the inner layer by the foaming machine. A suitable amount of sunscreen is mixed with waste synthetic resin such as PP or PE, and extruded through an extruder and a mold to have an outer layer of a non-foaming layer, and the surface of the foam layer and the surface of the non-foaming layer are adhered and transported. Squeeze the foamed and non-foamed layer into a certain shape through sizing, quench, draw, heat and process the pattern transfer (or painting) or patterned / embossed on the outer surface of the non-foamed layer. And a hole having an opening ratio of about 25% in the non-foaming layer, which is the outer layer, to absorb external noise into the foam layer. In addition, the foam layer is provided on the surface of the sound-absorbing material by adhering the sound absorbing material to provide a sound absorbing effect, one side of the soundproof plate, the other side has a fitting projection, the other side to facilitate the assembly of the soundproof plate.

This invention will be described in detail with reference to Examples.

(Example)

The waste synthetic resin such as PS or PP or PE is pulverized, and then 0.1% by weight of the foamed synthetic resin (hyrazine derivatives), accelerators (amines) and stabilizers (hindered amides) are added to the waste synthetic resins, respectively. A mixture of oxidizing agents (hindered phenol) and pigments (diazo pigments), extruded (1) and molds (2), and extruded, molded or recycled resin and waste wood powder to 70:30. The mixture is extruded and molded, and the inner layer 4 is foamed by the foaming machine 3 to be spun, and the waste synthetic resin such as PS or PP or PE is pulverized, and then 0.1% weight of ultraviolet light is applied to the waste synthetic resin. The ultra violet interception is mixed and extruded through the extruder 5 and the mold 2 to have the outer layer 6 of the non-foaming layer, and the face and the outer side of the inner layer 4. Bonding and conveying the face of layer 6, conveyed inner The layer 4 and the outer layer 6 are quenched and finished by the sizing 7 into a dome-shaped soundproof plate A as shown in FIG. 2, drawn out by the drawer 8, and then heated by the heater 9. Heated and the outer layer (6) to the pattern transfer (or painting process) or the pattern of the sound / embossed to give the shape and color of the wood to provide a soundproof plate (A), one side of the soundproof plate (A) is fitted projection The other side (A ') has a fitting recess (A') to facilitate the assembly of the soundproof plate (A). The sound absorbing material 10 can also be used depending on the degree of sound absorption, which is not an essential configuration of the present invention.

The soundproofing plate (A) of the present invention manufactured as described above is made of a synthetic resin having an outer layer (6) and a non-foaming layer (6), and a sunscreen is mixed to have a solid and noise-blocking effect as well as to be discolored by sunlight. As it is resistant to moisture and non-toxic, it is environmentally friendly and can be stored for a long time, and the inner layer 4 has a foam layer, so that the sound absorption is easy and the non-foaming layer and the foam layer are in a state of being light. It is easy to transport and install the soundproof wall, and it is possible to transfer and sound / emboss wood-like patterns on the outer layer 6 to provide a natural soundproof wall like wood, and the soundproof plate A is fitted to make the soundproof wall It is easy to install.

On the other hand, the present invention is limited to the soundproofing plate (A), but according to the molding aspect, using a waste synthetic resin, a heat insulating material or a sound absorbing member (B) having an outer layer (6) that is a non-foaming layer and an inner layer (4) that is a foaming layer (B). ) Can be produced by the present invention.

The present invention provides a soundproof wall by making a soundproof plate having a foamed layer and a non-foamed layer to give a light and solid and the appearance in the shape and color of wood, by using a waste synthetic resin, the inner layer and the outer layer as an integral In addition to reducing manufacturing costs, it is light and easy to assemble, helping to reduce installation costs, protecting it from ambient weather and sun rays, enabling long-term preservation without discoloration, and providing a soundproof wall that is friendly to the surrounding environment. Has an effect.

Claims (3)

The waste synthetic resin such as PS or PP or PE is pulverized, and then 0.1% of the foamed synthetic resin (hyrazine derivatives), accelerators (amines) and stabilizers (hindered amides) are added to the waste synthetic resins, respectively. ), An oxidizing agent (hindered phenol) and pigments (diazo pigments) are mixed, extruded and molded through an extruder (1) and a mold (2), and then extruded into a foaming machine (3). Foaming and foaming the inner layer 4, pulverizing waste synthetic resin such as PS or PP or PE, and then mixing 0.1% weight of ultra violet interception (ultra violet interception) with the waste synthetic resin. Extruded through the extruder 5 and the mold 2 to have an outer layer 6 of the non-foaming layer, and to bond and transfer the surface of the inner layer 4 and the surface of the outer layer 6, The inner layer 4 and the outer layer 6 through the sizing 7 dome-shaped sound insulation plate (A) Of the alternative wood soundproof board using waste plastic, which is quenched and finished by the drawer (8), heated by the heater (9), and transferred to the outer layer (6). How to make. Soundproof plate structure using a waste plastic, characterized in that the outer layer (6) and the foamed inner layer (4) that is a non-foaming layer at the same time forming and bonding and forming a patterned sound / embossed on the outer layer (6). delete