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KR100462708B1 - Floor mat using natural wood powder and manufacturing method thereof - Google Patents

Floor mat using natural wood powder and manufacturing method thereof Download PDF

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Publication number
KR100462708B1
KR100462708B1 KR1019960065783A KR19960065783A KR100462708B1 KR 100462708 B1 KR100462708 B1 KR 100462708B1 KR 1019960065783 A KR1019960065783 A KR 1019960065783A KR 19960065783 A KR19960065783 A KR 19960065783A KR 100462708 B1 KR100462708 B1 KR 100462708B1
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KR
South Korea
Prior art keywords
layer
wood powder
natural wood
vinyl chloride
manufacturing
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KR1019960065783A
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Korean (ko)
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KR19980047302A (en
Inventor
박종대
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주식회사 엘지화학
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Priority to KR1019960065783A priority Critical patent/KR100462708B1/en
Publication of KR19980047302A publication Critical patent/KR19980047302A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/10—Next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/02—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board the layer being formed of fibres, chips, or particles, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/08—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2471/00—Floor coverings

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Floor Finish (AREA)
  • Laminated Bodies (AREA)

Abstract

본 발명은 바닥장식재 및 그 제조방법에 관한 것으로, PVC로 투명하게 형성된 표면층(10)과, 상기 표면층(10)의 하부에 염화비닐계 공중합물 수지에 천연목분소재를 일정비율 혼합시켜 연속시트상으로 형성된 천연목분층(12)에 유리섬유시트(14)를 합지하여 일체화된 중간층(16), 소정의 무늬를 표현하기 위해 상기 중간층(16)에 형성된 인쇄층(18) 및, 최하부에 적층된 기재층(20)으로 구성되어져, 천연목분층의 다양한 질감에 의해 다양한 외관효과를 창출할 수 있음과 아울러 인장강도 등의 물성을 향상시키는 효과가 있다.The present invention relates to a floor decorative material and a method for manufacturing the same, the surface layer 10 formed of transparent PVC and a natural wood powder material mixed with a predetermined proportion of a vinyl chloride copolymer resin in the lower portion of the surface layer 10 to form a continuous sheet The intermediate layer 16, which is integrated by laminating the glass fiber sheet 14 on the natural wood powder layer 12 formed of the layer, the printed layer 18 formed on the intermediate layer 16 to express a predetermined pattern, and the lowermost laminated It is composed of the base layer 20, it is possible to create a variety of appearance effects by a variety of textures of the natural wood powder layer and has the effect of improving the physical properties such as tensile strength.

Description

천연목분소재를 이용한 바닥장식재와 그 제조방법{floor mat using natural wood powder and manufacturing method thereof}Floor mat using natural wood powder and manufacturing method

본 발명은 바닥재에 관한 것으로, 특히 천연목분소재를 이용하여 아름다운 자연미와 독특한 기능성을 갖춘 장척의 PVC바닥재와 그 제조방법에 관한 것이다.The present invention relates to a flooring material, and in particular to a long PVC flooring material having a beautiful natural beauty and unique functionality using a natural wood powder material and a manufacturing method thereof.

일반적으로 사용되는 바닥장식재는 통상 비닐지에 소정의 무늬를 코팅하여 다양한 장식미를 표현하므로써 실내 장식효과와 함께 바닥의 보온효과를 꾀하고 있으나, 이러한 종래의 바닥장식재는 열에 약한 비닐지를 사용하므로써 겨울과 같이 추운 날씨에 보온을 위한 실내 난방장치를 작동시키는 경우에 쉽게 열변형되어 장판지가 울게 되고, 이렇게 변형된 부분이 접혀져서 쉽게 파손되는 등의 문제점이 있었다.Commonly used flooring materials are usually coated with a predetermined pattern on the plastic paper to express a variety of decorative tastes to the interior decoration effect and the thermal insulation effect of the floor, but such conventional flooring materials by using a weak plastic paper heat, such as winter In the case of operating the indoor heating device for warming in cold weather there is a problem such as easy to heat deformation, the cardboard is crying, the deformed portion is easily folded and broken.

이러한 종래의 바닥장식재의 열변형문제를 해결하기 위해 1993년 7 월 21일자로 출원된 대한민국출원 제 93-13523호 "장판지"에서는 톱밥을 합성수지에 섞어 압인하므로써 열변형을 감소시킨 바닥장식재에 대해 개시하고 있다.In order to solve the problem of thermal deformation of the conventional floor decoration material, Korean application No. 93-13523 filed on July 21, 1993 discloses a floor decoration material that reduces heat deformation by mixing the sawdust with synthetic resin Doing.

상기한 바닥장식재는 도 3 에 도시된 바와 같이, 톱밥(100)과 합성수지(102)를 일체로 혼합하여 압인한 필름의 상부면에 소정의 무늬를 인쇄한 인쇄필름(104)과 코팅필름(106)을 일체로 접착시키고 외주면에는 서로 맞물릴 수 있도록 하향턱(108)과 상향턱(110)을 형성시킨 구조로 되어 있어, 열변화에 약한 합성수지(102)에 톱밥(100)을 섞어서 가공하므로써 합성수지재의 열변형문제를 완화시키는 한편, 주연부에 각각 상,하향턱(108, 110)을 형성하므로써 시공성을 향상시키고 있다.As shown in FIG. 3, the flooring material is a printing film 104 and a coating film 106 that print a predetermined pattern on the upper surface of the film stamped by integrally mixing the sawdust 100 and the synthetic resin 102. ), The lower jaw 108 and the upper jaw 110 are formed so as to be integrally bonded to each other and to engage with each other on the outer circumferential surface thereof, and the synthetic resin 102 is processed by mixing the sawdust 100 with the synthetic resin 102 which is susceptible to thermal changes. While alleviating the problem of heat deformation of the ash, by forming the upper and lower jaw (108, 110) on the periphery, respectively, the workability is improved.

그러나 상기한 바닥장식재는 종래의 비닐지와 마찬가지로 단조로운 질감과 인쇄필름층에 형성된 평면무늬에 의해서만 장식효과를 나타내기 때문에 그 장식효과가 제한적이고 단조로워서 다양한 소비자의 욕구를 만족시키지 못할 뿐아니라 합성수지에 톱밥을 포함시키므로서 인장강도가 떨어지므로서 내구성이 감소되는 문제점이 있다.However, as the above-mentioned flooring material exhibits the decorative effect only by the monotonous texture and the flat pattern formed on the printing film layer, like the conventional vinyl paper, the decorative effect is limited and monotonous, and it does not satisfy the needs of various consumers, but also on the synthetic resin. There is a problem in that the durability is reduced because the tensile strength is reduced by including the sawdust.

이에 본 발명은 상기한 문제점을 해결하기 위한 것으로, 보온, 방음, 흡음 및 방진 등의 다양한 기능성을 가지면서도 천연목분의 질감에 색상을 추가하므로써 미려한 장식효과를 구현할 수 있을 뿐아니라 충분한 인장강도를 확보하여 내구성을 증가시켜 줄 수 있는 바닥장식재와 그 제조방법을 제공하는 데 목적이 있다.Accordingly, the present invention is to solve the above problems, while having a variety of functionalities such as insulation, soundproofing, sound absorption and dustproof, by adding color to the texture of the natural wood powder to achieve a beautiful decorative effect as well as secure sufficient tensile strength The purpose is to provide a flooring material and a method of manufacturing the same that can increase the durability.

상기한 목적을 달성하기위한 본 발명의 바닥장식재는, PVC로 투명하게 형성된 표면층과, 상기 표면층의 하부에 염화비닐계 공중합물 수지에 천연목분소재를 일정비율 혼합시켜 연속시트상으로 형성된 천연목분층에 유리섬유시트를 합지하여 일체화된 중간층, 소정의 무늬를 표현하기 위해 상기 중간층에 형성된 인쇄층 및, 최하부에 적층된 기재층으로 구성된 것을 특징으로 한다.The floor decoration material of the present invention for achieving the above object is a natural wood powder layer formed in a continuous sheet by mixing a predetermined ratio of a natural wood powder material to a surface layer formed transparently with PVC, and vinyl chloride-based copolymer resin in the lower portion of the surface layer An intermediate layer integrated by laminating a glass fiber sheet, characterized in that consisting of a printed layer formed on the intermediate layer to express a predetermined pattern, and a base layer laminated on the bottom.

또한 상기한 본 발명의 또 다른 목적을 달성하기 위한 바닥장식재의 제조방법은, 염화비닐계 공중합물 수지에 천연목분소재를 일정비율 혼합시켜 연속시트 상으로 형성하여 염화비닐계 공중합물 수지에 함침된 유리섬유시트와 합판하여 중간층을 제조하는 단계와, 상기 단계에서 제조된 중간층에 인쇄하거나 인쇄필름을 합판하는 단계, 하부에 기재를 적층하는 단계 및, 상부에 투명수지 졸을 도포하여 표면층을 형성한 단계로 이루어진 것을 특징으로 한다.In addition, the method of manufacturing a floor decorative material for achieving the above another object of the present invention, by mixing a certain ratio of the natural wood powder material to the vinyl chloride copolymer resin to form a continuous sheet impregnated in the vinyl chloride copolymer resin Plywood with a glass fiber sheet to produce an intermediate layer, printing on the intermediate layer prepared in the above step or plywood printing film, laminating the substrate on the bottom, and applying a transparent resin sol on the top to form a surface layer Characterized in consisting of steps.

이하, 본 발명의 실시예를 첨부한 예시도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings, an embodiment of the present invention will be described in detail.

도 1은 본 발명에 따른 바닥장식재의 개략적인 단면도로서, PVC로 투명하게 형성된 표면층(10)과, 염화비닐계 공중합물 수지에 천연목분소재를 혼합시킨 천연목분층(12)에 유리섬유시트(14)를 합지하여 일체화된 중간층(16), 상기 중간층(16)에 형성된 인쇄층(18) 및, 최하부에 적층된 기재층(20)으로 구성되어져 있다.1 is a schematic cross-sectional view of a floor decorative material according to the present invention, a glass fiber sheet (12) and a natural wood powder layer (12) in which a natural wood powder material is mixed with a vinyl chloride copolymer resin. The intermediate layer 16 is laminated | stacked 14, the printed layer 18 formed in the said intermediate | middle layer 16, and the base material layer 20 laminated | stacked at the bottom is comprised.

이때 상기 천연목분층(12)은 염화비닐계 공중합수지 100중량부에 천연목분이 10 - 250중량부를 혼합하여 연속시트상태로 형성된 것이며, 특히 다양한 외관을 창출하기 위해 상기 천연목분은 착색제나 첨가제를 사용하여 1종이상의 다양한 색상으로 착색된 것을 사용할 수 있다.At this time, the natural wood powder layer 12 is formed in a continuous sheet state by mixing 10 to 250 parts by weight of natural wood powder to 100 parts by weight of vinyl chloride-based copolymer resin, in particular, the natural wood powder is a colorant or additive Coloring in one or more of various colors can be used.

그리고 상기 천연목분층(12)의 상부 또는 하부 내지는 적층된 다른 천연목분층(12)의 사이에 인쇄하거나 인쇄필름을 합판하므로써 소정의 무늬를 형성하는 인쇄층(18)을 형성하게 되는 바, 이때 형성된 인쇄무늬가 상기 천연목분층(12)의 다양한 색상으로 착색된 목분의 질감과 어우러지면서 다양한 외관효과를 창출하게 된다.And the printing layer 18 to form a predetermined pattern by printing or plywood the printing film between the upper or lower portion of the natural wood powder layer 12 or other laminated wood powder layer 12, at this time, The formed printed pattern is combined with the texture of the wood powder colored in various colors of the natural wood powder layer 12 to create a variety of appearance effects.

또한 상기한 천연목분층(12)의 하부에 인성을 증가시키고 소정의 패턴매치 시공성을 부여하기 위해 염화비닐계공중합물 수지에 함침된 유리섬유시트(14)를 합판하여 중간층을 형성하게 된다.In addition, the intermediate layer is formed by plywood the glass fiber sheet 14 impregnated with the vinyl chloride-based copolymer resin in order to increase the toughness and impart a predetermined pattern match to the lower portion of the natural wood powder layer 12.

이어서 중간층(16)의 하부에 바닥장식재의 기본적인 기능성을 부여하기 위해 기재층(20)이 적층되는 바, 이러한 기재층(20)은 예컨대 염화비닐계 수지시트(20a), 폼시트(20b) 및 천연목분시트(20c)로 구성되어져 바닥장식재의 흡음, 방음 및 방진 등 다양한 기능성을 제공하게 된다.Subsequently, the base layer 20 is laminated in order to impart the basic functionality of the flooring material to the lower portion of the intermediate layer 16. Such a base layer 20 may be, for example, a vinyl chloride resin sheet 20a, a foam sheet 20b, and the like. It is composed of a natural wood powder sheet (20c) to provide a variety of functionalities, such as sound absorption, soundproofing and dustproof flooring.

이러한 구성으로 된 본 발명의 바닥장식재의 제조방법은 다음과 같다.The manufacturing method of the floor decorative material of the present invention having such a configuration is as follows.

염화비닐계 공중합물 수지 100중량부에 천연목분소재 10 - 250중량부를 혼합시켜 연속시트 상으로 천연목분층(12)을 제조한다.A natural wood powder layer 12 is prepared in a continuous sheet by mixing 10-250 parts by weight of a natural wood flour material with 100 parts by weight of a vinyl chloride copolymer resin.

이때 상기 천연목분은 다양한 색상으로 착색된 것을 사용하므로써 다양한 색상의 질감을 표현할 수 있게된다.At this time, the natural wood powder can be expressed in a variety of colors by using a variety of colors.

이어서 염화비닐계 공중합물 수지에 함침된 유리섬유시트(14)를 상기 천연목분층(12)과 합판하여 전체적인 물성을 증가시켜주게 된 중간층(16)을 제조하게 된다.Subsequently, the glass fiber sheet 14 impregnated with the vinyl chloride-based copolymer resin is laminated with the natural wood powder layer 12 to prepare an intermediate layer 16 that increases the overall physical properties.

한편 상기 단계에서 제조된 중간층(16)의 표면에 소정의 무늬를 인쇄하거나 소정의 무늬가 인쇄된 인쇄필름을 합판하므로서 인쇄층(18)을 형성하게 되는 데, 이때 상기 인쇄층(18)은 상기 천연목분층(12)의 표면 또는 이면, 아니면 서로 다른 천연목분층의 적층된 사이에 삽입형성될 수 있게 되는 바, 상기 적층된 천연목분층은 서로 다른 색상으로 착색된 천연목분을 사용함으로써 다양한 외관효과를 창출할 수 있게 된다.Meanwhile, the printing layer 18 is formed by printing a predetermined pattern on the surface of the intermediate layer 16 manufactured in the above step or plywood the printed film on which the predetermined pattern is printed, wherein the printing layer 18 is It can be inserted into the surface or the back surface of the natural wood powder layer 12, or between the stacked of the different wood powder layer, the laminated natural wood powder layer has a variety of appearance by using a natural wood powder colored in different colors You can create effects.

이어서 상기 중간층의 하부에 소정의 시트로 구성된 기재층를 적층한 뒤, 마지막으로 상부에 투명수지 졸을 도포하여 표면층을 형성하게 된다.Subsequently, a base layer composed of a predetermined sheet is laminated on the lower portion of the intermediate layer, and finally, a transparent resin sol is applied on the upper portion to form a surface layer.

이때 상기 표면층에는 필요에 따라 방염처리 또는 자외선도료를 포함시킬 수 있다.At this time, the surface layer may include a flame retardant treatment or ultraviolet paint as needed.

[실시예]EXAMPLE

염화비닐계 공중합물 수지 100중량%에 천연목분소재 10 - 250중량%를 혼합하여 제조한 천연목분시트와 유리섬유시트를 열간 합지한 다음 프린팅 유니트에서 목분시트표면에 여러 가지 색상으로 인쇄를 실시하여 인쇄층을 형성하였다.100% by weight of vinyl chloride copolymer resin is mixed with 10 to 250% by weight of natural wood powder, and natural wood powder sheet and glass fiber sheet are hot-laminated and printed in various colors on the surface of the wood powder sheet in the printing unit. The printed layer was formed.

그리고 천연목분의 재질, 크기, 함량, 색상이 다른 천연목분시트를 상기 천연목분시트의 표면에 적층함과 아울러 염화비닐계수지시트, 폼시트 및 천연목분시트로 구성된 기재층을 완제품공정에서 180-250℃로 가동되는 폼밍오븐과 160 - 180℃ 열간가공으로 진행하면서 순차적으로 적층합판한 뒤, 표면에 투명수지졸을 도포하여 표면층을 형성하므로써 장척의 바닥장식재를 만들었다.In addition, the natural wood powder sheets having different materials, sizes, contents, and colors of natural wood powder are laminated on the surface of the natural wood powder sheet, and a base layer composed of a vinyl chloride resin sheet, a foam sheet, and a natural wood powder sheet is used in the finished product process. After laminating sequentially with a foaming oven operating at 250 ° C. and 160-180 ° C. hot working, a transparent resin sol was applied to the surface to form a surface layer to make a long floor decoration material.

이렇게 제작된 바닥장식재는 인쇄에의한 다양한 무늬표현과 보다 완벽한 천연소재의 질감표현이 가능하여 종래의 비닐바닥재가 표현할 수 없었던 우수한 외관 효과를 나타냄과 아울러 방음, 충격흡수성, 경량화, 단열효과가 우수하여, 주택용도 및 상업용도의 바닥장식재로 널리 사용될 수 있게된 것이다.The flooring material produced in this way is capable of expressing various patterns by printing and expressing the texture of natural materials more perfectly, showing excellent appearance effect that vinyl flooring material could not express, and it is excellent in sound insulation, shock absorption, light weight, and insulation effect. Thus, it can be widely used as a flooring material for residential and commercial use.

이와같이 본 발명의 바닥장식재는 천연소재의 질감표현이 가능하여 종래의 비닐바닥재가 표현할 수 없었던 우수한 외관효과를 나타냄과 아울러 방음, 충격흡수성, 경량화, 단열효과가 우수하여 주택용도 및 상업용도의 바닥장식재로 널리 사용될 수 있게된 것이다.As described above, the flooring material of the present invention is capable of expressing the texture of natural materials, exhibiting excellent appearance effects that the conventional vinyl flooring material could not express, and excellent soundproofing, impact absorption, light weight, and insulation effect, so that the flooring material for residential and commercial use is excellent. It can be widely used as.

도 1은 본 발명에 따른 바닥장식재를 도시한 종단면도,1 is a longitudinal sectional view showing a flooring material according to the present invention,

도 2은 본 발명에 따른 바닥장식재의 제조단계를 도시한 블럭도,Figure 2 is a block diagram showing the manufacturing step of the flooring according to the invention,

도 3은 종래의 바닥재를 도시한 종단면도이다.Figure 3 is a longitudinal sectional view showing a conventional flooring.

* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

10 : 표면층 12 : 천연목분층10: surface layer 12: natural wood layer

14 : 유리섬유시트 16 : 중간층14 glass fiber sheet 16 intermediate layer

18 : 인쇄층 20 : 기재층18: printed layer 20: substrate layer

Claims (3)

염화비닐계 공중합물 수지에 천연목분소재를 일정비율 혼합시켜 연속시트 상으로 형성하여 염화비닐계 공중합물 수지에 함침된 유리섬유시트와 합판하여 중간층을 제조하는 단계와, 상기 단계에서 제조된 중간층에 인쇄하거나 인쇄필름을 합판하는 단계, 하부에 기재를 적층하는 단계 및, 상부에 투명수지 졸을 도포하여 표면층을 형성한 단계로 이루어진 것을 특징으로 하는 바닥장식재의 제조방법.A natural wood powder material is mixed in a predetermined proportion to the vinyl chloride copolymer resin to form a continuous sheet, and laminated with a glass fiber sheet impregnated with the vinyl chloride copolymer resin to prepare an intermediate layer, and the intermediate layer prepared in the step A method of manufacturing a flooring material comprising the steps of printing or plywood a printing film, laminating a substrate on the bottom, and applying a transparent resin sol on the top to form a surface layer. 제 1 항에 있어서, 상기 천연목분이 1종이상의 색으로 착색된 것을 특징으로 하는 바닥장식재의 제조방법.The method of claim 1, wherein the natural wood powder is colored in one or more colors. 제 1 항에 있어서, 상기 천연목분층이 염화비닐계 공중합수지 100중량부에 천연목분 10 - 250중량부를 혼합하여 연속시트화한 것을 특징으로 하는 바닥장식재의 제조방법.The method of claim 1, wherein the natural wood powder layer is a continuous sheet by mixing 10 to 250 parts by weight of natural wood powder to 100 parts by weight of vinyl chloride copolymer resin.
KR1019960065783A 1996-12-10 1996-12-10 Floor mat using natural wood powder and manufacturing method thereof KR100462708B1 (en)

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US7892624B2 (en) * 2003-04-21 2011-02-22 Delantar Jr Pedro Herrera Molded coarse particle product for use as housewares, furniture or architectural components or the like
WO2007097497A1 (en) * 2006-02-24 2007-08-30 Dooil Co., Ltd Manufacturing method for floors including wood powder
KR100717602B1 (en) * 2006-02-24 2007-05-15 (주)두일 Eco-friendly flooring containing wood powder and its manufacturing method
KR101243438B1 (en) * 2007-01-18 2013-03-13 (주)엘지하우시스 Eco-friendly decorative sheet using wood particle

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