KR200203758Y1 - Laminated liner - Google Patents
Laminated liner Download PDFInfo
- Publication number
- KR200203758Y1 KR200203758Y1 KR2020000014557U KR20000014557U KR200203758Y1 KR 200203758 Y1 KR200203758 Y1 KR 200203758Y1 KR 2020000014557 U KR2020000014557 U KR 2020000014557U KR 20000014557 U KR20000014557 U KR 20000014557U KR 200203758 Y1 KR200203758 Y1 KR 200203758Y1
- Authority
- KR
- South Korea
- Prior art keywords
- fiber
- nonwoven fabric
- melting point
- short fibers
- weight
- Prior art date
Links
- 239000000835 fiber Substances 0.000 claims abstract description 110
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 68
- 238000002844 melting Methods 0.000 claims abstract description 59
- 230000008018 melting Effects 0.000 claims abstract description 56
- 239000000126 substance Substances 0.000 claims abstract description 45
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 27
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 26
- 229920000728 polyester Polymers 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 3
- 244000025254 Cannabis sativa Species 0.000 claims description 2
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 2
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 2
- 235000011777 Corchorus aestuans Nutrition 0.000 claims description 2
- 235000010862 Corchorus capsularis Nutrition 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 229920002396 Polyurea Polymers 0.000 claims description 2
- 235000009120 camo Nutrition 0.000 claims description 2
- 235000005607 chanvre indien Nutrition 0.000 claims description 2
- 239000011487 hemp Substances 0.000 claims description 2
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 240000004792 Corchorus capsularis Species 0.000 claims 1
- 239000000853 adhesive Substances 0.000 abstract description 20
- 230000001070 adhesive effect Effects 0.000 abstract description 20
- 238000010924 continuous production Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 15
- 239000003365 glass fiber Substances 0.000 description 8
- 239000000843 powder Substances 0.000 description 7
- 239000012943 hotmelt Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 239000002313 adhesive film Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000011087 paperboard Substances 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000011151 fibre-reinforced plastic Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 240000000491 Corchorus aestuans Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Classifications
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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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/10—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a fibrous or filamentary layer reinforced with filaments
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0261—Polyamide fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/06—Vegetal fibres
-
- 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
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/08—Reinforcements
-
- 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
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
-
- 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
- B32B2605/00—Vehicles
- B32B2605/003—Interior finishings
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
본 고안은 기계적 성질과 성형성이 우수한 내장재 적층체에 관한 것으로서, 다층의 적층구조를 갖는 내장재 적층체에 있어서, 고융점화학단섬유 0 내지 40 중량%에 보강장섬유 60 내지 100중량%를 혼합한 혼합물 20 내지 60중량%와 저융점화학단섬유 40 내지 80 중량%를 혼합하여서 이루어진 섬유강화혼성부직포(10)의 양면에 고융점화학단섬유 30 내지 80중량%와 저융점화학단섬유 20 내지 70중량%를 혼합하여서 이루어진 혼성부직포(12)들을 접착제(14)에 의하여 부착, 적층시켜서 이루어진다.The present invention relates to an interior laminate having excellent mechanical properties and formability, and in an interior laminate having a multilayered laminated structure, a mixture of 0 to 40 wt% of high melting point short chemical fibers and 60 to 100 wt% of reinforcing long fibers is mixed. 30 to 80% by weight of the high melting point chemical short fibers and 20 to the low melting point chemical short fibers on both sides of the fiber-reinforced hybrid nonwoven fabric 10, which is a mixture of 20 to 60% by weight of the mixture and 40 to 80% by weight of the low melting point chemical short fibers. The nonwoven fabric 12 made by mixing 70% by weight is attached and laminated by the adhesive 14.
따라서, 보강장섬유로 보강된 섬유강화혼성부직포(10)와 혼성부직포(12)들을 포함하는 내장재 적층체 자체의 기계적 성질, 특히 내충격성을 강화시키고, 성형된 외형을 견고하게 유지시키도록 기능하는 내장재 적층체를 자동화되고, 기계화되어 연속적인 생산이 가능하면서도 생산 및 성형이 용이하고, 단가가 저렴한 내장재 적층체를 제공하는 효과가 있다.Thus, the mechanical properties, in particular, impact resistance, of the interior laminate comprising the fiber reinforced hybrid nonwoven fabric 10 and the hybrid nonwoven fabric 12 reinforced with the reinforcing long fibers are strengthened and function to maintain the molded appearance firmly. The interior laminate can be automated and mechanized to enable continuous production, yet easy to produce and mold, and provide an interior laminate with low cost.
Description
본 고안은 자동차 등의 내부를 피복하는데 사용될 수 있는 내장재 적층체에 관한 것으로서, 보다 상세하게는 기계적 성질과 성형성이 우수한 내장재 적층체에 관한 것이다.The present invention relates to an interior laminate that can be used to coat the interior of automobiles, and more particularly, to an interior laminate that has excellent mechanical properties and formability.
통상, 자동차나 요트 등의 소형 선박 또는 컨테이너하우스(container house)와 같은 한정된 공간의 내부를 마감하고 장식하는데에는 방음성과 내열성을 갖는 적층체가 주로 사용되고 있으며, 종래의 내장재 적층체는, 도 1에 도시한 바와 같이, 유리섬유판이나 레진펠트(resin felt) 또는 페이퍼보드(paper board)와 같은 중량의 단열, 방음소재로 된 기재로 기재(2)를 형성하고, 상기 기재(2)에 접착제(4)를 사용하여 폴리에틸렌필름(Poly ethylene film)과 같은 소재로 된 비닐(6)과 원단이나 부직포 또는 폴리염화비닐쉬트(Poly vinyl chloride sheet)와 같은 소재로 된 마감재(8)를 더 접착시켜서 구성되어진 것이 일반적으로 사용되었었다.In general, a laminate having soundproofing and heat resistance is mainly used to finish and decorate a limited space such as a small ship such as a car or a yacht or a container house, and a conventional interior laminate is shown in FIG. 1. As described above, the substrate 2 is formed of a substrate made of a heat insulating and soundproof material having a weight such as glass fiber board, resin felt or paper board, and the adhesive 4 is attached to the substrate 2. It is composed by further bonding the vinyl material (6) made of a material such as polyethylene film and the finishing material (8) made of a material such as fabric or nonwoven fabric or poly vinyl chloride sheet. It was commonly used.
그러나, 이러한 종래의 내장재 적층체는 기재(2)를 구성하는 소재 자체가 비교적 중량이 많이 나가는 것들로서, 유리섬유가 사용되는 경우에는 유리섬유 자체가 무기물로서 중량이 많이 나가며, 또한 레진펠트 역시 통상의 펠트에 페놀수지 등의 열경화성 수지를 함침시켜 제조된 것으로서, 적층체 자체의 중량을 증가시키게 된다. 따라서, 이들을 소재로 하는 기재(2)를 갖는 종래의 내장재 적층체를 자동차에 적용하였을 경우, 차량의 전체 하중이 증가하는 원인이 되어 연비의 감소를 초래하는 등의 문제점이 있었다.However, these conventional interior laminates are those materials that make up the base material 2 are relatively heavy, and when glass fibers are used, the glass fibers themselves are heavy as inorganic materials, and resin felts are also common. It was prepared by impregnating a thermosetting resin such as a phenolic resin in the felt, thereby increasing the weight of the laminate itself. Therefore, when the conventional interior laminate having the substrate 2 made of these materials is applied to a motor vehicle, there is a problem that the overall load of the vehicle increases, resulting in a reduction in fuel efficiency.
또한, 종래의 내장재 적층체들이 유리섬유나 페이퍼보드가 기재(2)로 사용되기 때문에 충분한 방음성 및 내열성을 나타내기 위하여는 상당한 두께를 가져야 하므로 내장재 적층체 자체의 두께도 매우 두꺼워져서 이러한 종래의 내장재 적층체로 마감하였을 때 미려한 외관을 제공하지 못하는 문제점이 있었다.In addition, since the conventional interior laminates must have a considerable thickness in order to exhibit sufficient sound insulation and heat resistance because glass fiber or paper board is used as the substrate 2, the thickness of the interior laminate itself is also very thick, such a conventional interior materials When finishing with a laminate there was a problem that does not provide a beautiful appearance.
더욱이, 유리섬유는 그 제조, 취급 및 폐기의 전체 순환사이클에서 취급자에 진폐증을 유발하고, 먼지 등을 대량 생성하여 대기오염의 원인이 되며, 레진펠트 역시 소각처리시에 유독성가스를 다량 배출하여 공해를 일으키는 문제점이 있었으며, 이러한 모든 문제점들에도 불구하고 이러한 종래의 내장재 적층체의 사용은 방음성 및 내열성이 뛰어나지 못했으며, 더욱 단가가 높은 문제점을 가지고 있었다.Moreover, glass fiber causes pneumoconiosis in the handling cycle of the whole circulation cycle of its manufacture, handling and disposal, and generates a large amount of dust, causing air pollution, and resin felt also emits large amounts of toxic gases during incineration. In spite of all these problems, the use of such conventional interior laminates was not excellent in soundproofing and heat resistance, and had a higher cost.
따라서, 본 고안자는 전술한 종래의 내장재 적층체의 문제점을 해결하고자 본 고안을 착안하게 되었다.Therefore, the present inventors came to devise the present invention to solve the problems of the above-described conventional interior laminate.
본 고안의 목적은, 섬유강화혼성부직포의 양면에 혼성부직포들을 적층시켜 기계적 성질과 성형성을 강화시킨 내장재 적층체를 제공하는 데 있다.It is an object of the present invention to provide a laminate of interior materials in which hybrid nonwoven fabrics are laminated on both sides of a fiber reinforced hybrid nonwoven fabric to enhance mechanical properties and formability.
본 고안의 다른 목적은, 유리섬유 등을 사용치 않고, 화학단섬유와 보강장섬유로 된 섬유강화혼성부직포의 양면에 화학단섬유로 된 혼성부직포를 적층하여 매우 가벼우면서도 기계적 성질과 성형성이 우수한 내장재 적층체를 제공함에 있다.Another object of the present invention is to laminate a hybrid nonwoven fabric made of chemical short fibers on both sides of a fiber reinforced hybrid nonwoven fabric made of chemical short fibers and reinforcing long fibers without using glass fibers or the like. It is to provide an excellent interior laminate.
본 고안의 또다른 목적은, 고융점화학단섬유, 저융점화학단섬유 및 보강장섬유를 혼합하여서 이루어진 섬유강화혼성부직포를 사용하여 적층체의 성형시에 섬유강화혼성부직포가 가열, 압축되어 성형되도록 하여 성형을 단순화시킨 내장재 적층체를 제공함에 있다.It is still another object of the present invention to fabricate a fiber-reinforced hybrid nonwoven fabric by heating and compressing it in forming a laminate using a fiber-reinforced hybrid nonwoven fabric composed of a mixture of high melting point chemical short fibers, low melting point chemical short fibers and reinforcing long fibers. It is to provide an interior laminate laminated to simplify the molding.
도 1은 종래의 내장재 적층체를 개략적으로 도시한 측단면도이다.1 is a side cross-sectional view schematically showing a conventional interior laminate.
도 2는 본 고안에 따른 내장재 적층체를 개략적으로 도시한 측단면도이다.Figure 2 is a side cross-sectional view schematically showing the interior laminate according to the present invention.
도 3은 본 고안에 따른 내장재 적층체의 제조방법의 하나의 구체적인 실시예를 도시한 제조 공정도이다.Figure 3 is a manufacturing process diagram showing one specific embodiment of the manufacturing method of the interior laminate according to the present invention.
도 4는 본 고안에 따른 내장재 적층체의 제조방법의 다른 하나의 구체적인 실시예를 도시한 제조 공정도이다.Figure 4 is a manufacturing process diagram showing another specific embodiment of the manufacturing method of the interior laminate according to the present invention.
※도면의 주요부분에 대한 부호의 설명※ Explanation of symbols for main parts of drawing
2 : 기재 4 : 접착제2: base material 4: adhesive
6 : 비닐 8 : 마감재6: vinyl 8: finish
10 : 섬유강화혼성부직포 12 : 혼성부직포10 fiber reinforced hybrid nonwoven fabric 12 hybrid nonwoven fabric
14 : 접착제 16 : 마감재14: adhesive 16: finish
30 : 이송컨베이어 32 : 섬유강화혼성부직포공급롤30: conveying conveyor 32: fiber reinforced hybrid nonwoven fabric supply roll
34 : 접착필름공급롤 36 : 부직포공급롤34: adhesive film supply roll 36: nonwoven fabric supply roll
38 : 가이드로울러 40 : 가열가압챔버38: guide roller 40: heating pressure chamber
42 : 냉각챔버 44 : 절단장치42: cooling chamber 44: cutting device
46 : 디스펜서 48 : 히터46: dispenser 48: heater
상기 목적을 달성하기 위한 본 고안에 따른 내장재 적층체는, 고융점화학단섬유 0 내지 40 중량%에 보강장섬유 60 내지 100중량%를 혼합한 혼합물 20 내지 60중량%와 저융점화학단섬유 40 내지 80 중량%를 혼합하여서 이루어진 섬유강화혼성부직포(10)의 양면에 고융점화학단섬유 30 내지 80중량%와 저융점화학단섬유 20 내지 70중량%를 혼합하여서 이루어진 혼성부직포들을 접착제에 의하여 부착, 적층시켜서 이루어진다.The interior laminate according to the present invention for achieving the above object, 20 to 60% by weight and low melting point chemical short fiber 40, a mixture of 60 to 100% by weight of the reinforcing long fiber to 0 to 40% by weight of the high melting point chemical short fibers Attaching the hybrid nonwoven fabric formed by mixing 30 to 80% by weight of the high melting point short chemical fiber and 20 to 70% by weight of the low melting point short chemical fiber on both sides of the fiber-reinforced hybrid nonwoven fabric 10, which is made by mixing 80% by weight to 80% by weight, by an adhesive. It is made by laminating.
이하, 본 고안의 구체적인 실시예를 첨부한 도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings, a specific embodiment of the present invention will be described in detail.
도 2에 도시한 바와 같은 본 고안에 따른 내장재 적층체는 주로 자동차나 요트 등의 소형 선박 또는 컨테이너 하우스의 내부를 마감하는 내장재로 주로 사용될 수 있는 것으로서, 섬유강화혼성부직포(10)의 양면에 접착제(14)를 사용하여 혼성부직포(12)들을 적층하여 이루어지는 구조를 갖는다.Interior material laminate according to the present invention as shown in Figure 2 can be mainly used as interior materials for finishing the interior of a small ship or container house, such as automobiles or yachts, adhesive on both sides of the fiber-reinforced hybrid nonwoven fabric 10 Using 14, the hybrid nonwoven fabric 12 is laminated.
또한, 상기한 구성을 갖는 내장재 적층체의 일면에는, 역시 접착제(14)를 사용하여 마감재(16)를 더욱 취부시킬 수 있으며, 이 마감재(16)는 종래의 내장재 적층체에서의 마감재를 구성하는데 사용되었던 원단, 유리섬유판, 부직포 또는 폴리염화비닐쉬트(Poly vinyl chloride sheet)와 같은 소재로 된 것들이 본 고안에서도 동일 또는 유사하게 적용될 수 있다.In addition, one surface of the interior laminate having the above-described configuration can be further attached to the finish 16 using the adhesive 14, which finish 16 constitutes a finish in the conventional interior laminate. The same materials as those used in the present invention may be applied to the present invention, such as a fabric, a glass fiber board, a nonwoven fabric, or a poly vinyl chloride sheet.
상기 섬유강화혼성부직포(10)는 종래의 내장재 적층체에 사용되는 유리섬유나 레진펠트(resin felt) 또는 페이퍼보드(paper board)와 같은 기재를 대체하여 그 양면에 부착되는 혼성부직포(12)와 함께 기재를 이루는 것으로서, 혼성강화부직포(12)에 내인성과 같은 기계적 성질을 강화시키기 위한 보강장섬유를 더 포함시켜 이루어진다. 상기 섬유강화혼성부직포(10)는 높은 융점을 갖는 화학단섬유와 낮은 융점을 갖는 화학단섬유 및 보강장섬유를 서로 혼합하여서 이루어진 것으로서, 내장재 적층체로의 성형시에 성형을 용이하게 한다. 특히 성형 중에 가해지는 가열, 가압에 의하여 저융점화학단섬유가 부분적으로 용융, 압축되면서 섬유강화혼성부직포(10)가 자체 융착됨과 동시에 고융점화학단섬유들과 보강장섬유들 간을 접착시켜 고정시키며, 자체 융착시키고, 또한 용융되지 않는 고융점화학단섬유들과 보강장섬유들 간을 긴밀하게 충진시켜 내장재 적층체 자체의 기계적 성질을 강화시켜 외력에 의하여 쉽게 변형되지 않도록 하며, 파손이나 파열 등을 방지하는 역할을 한다.The fiber-reinforced hybrid nonwoven fabric 10 is a hybrid nonwoven fabric 12 that is attached to both sides of the substrate, such as glass fiber or resin felt or paper board used in the conventional interior laminate As the base material together, the hybrid reinforced nonwoven fabric 12 further includes reinforcing long fibers for reinforcing mechanical properties such as endogenous resistance. The fiber-reinforced hybrid nonwoven fabric 10 is made by mixing a chemical short fiber having a high melting point, a chemical short fiber having a low melting point, and a reinforcing long fiber to each other, thereby facilitating molding at the time of forming the interior laminate. In particular, the low-melting chemical short fibers are partially melted and compressed by heating and pressurizing applied during molding, and the fiber-reinforced hybrid nonwoven fabric 10 is self-fused, and at the same time, the high melting chemical short fibers are bonded to the reinforcing long fibers. It closes the gap between high melting point chemical short fibers and reinforcing long fibers, which does not melt itself, and reinforces the mechanical properties of the laminate itself, so that it is not easily deformed by external force, Serves to prevent.
여기에서, 특히 보강장섬유는 천연 또는 합성의 장섬유가 될 수 있으며, 바람직하게는 기계적 성질, 특히 내인성이 우수한 마(麻) 또는 쥬트(Jute ; 黃麻)와 같은 천연의 장섬유나 나일론과 같은 합성 장섬유가 사용될 수 있다. 상기 보강장섬유는 섬유강화혼성부직포(10)의 내충격성을 강화시키기 위한 보강기능을 수행하는 것으로 이해될 수 있으며, 이는 통상의 FRP(Fiber Reinforced Plastic ; 섬유강화플라스틱)에서의 섬유와 동일 또는 유사한 보강기능을 하는 것으로 이해될 수 있다.Here, in particular, the reinforcing long fibers may be natural or synthetic long fibers, preferably natural long fibers such as hemp or jute or nylon with excellent mechanical properties, particularly endogenous resistance and The same synthetic long fiber can be used. The reinforcing long fiber may be understood to perform a reinforcing function for reinforcing the impact resistance of the fiber-reinforced hybrid nonwoven fabric 10, which is the same as or similar to the fiber in a conventional fiber reinforced plastic (FRP). It can be understood to function as a reinforcement.
상기 섬유강화혼성부직포(10)에서 고융점화학단섬유와 보강장섬유의 혼합물과 저융점화학단섬유의 혼합비는 바람직하게는 고융점화학단섬유와 보강장섬유의 혼합물 20 내지 60중량%와 저융점화학단섬유 40 내지 80중량%가 될 수 있다.In the fiber-reinforced hybrid nonwoven fabric 10, the mixing ratio of the high melting point chemical short fiber and the reinforcing long fiber and the low melting point short chemical fiber is preferably 20 to 60% by weight of the high melting point short chemical fiber and the reinforcing long fiber. Melting point chemical short fibers may be 40 to 80% by weight.
상기 고융점화학단섬유와 보강장섬유의 혼합물의 혼합비는 바람직하게는 고융점화학단섬유 0 내지 40중량%에 보강장섬유 60 내지 100중량%가 될 수 있다.The mixing ratio of the high melting point chemical short fibers and the reinforcing long fiber may be preferably 0 to 40% by weight of the high melting point short chemical fiber to 60 to 100% by weight of the reinforcing long fibers.
고융점화학단섬유, 저융점화학단섬유 및 보강장섬유의 혼합비는 바람직하게는 고융점화학단섬유 30 내지 40 중량%, 저융점화학단섬유 40 내지 50 중량% 및 보강장섬유 10 내지 30 중량%가 될 수 있다. 이는 실질적으로 보강장섬유가 고융점화학단섬유를 대체하여 고융점화학단섬유와 동일 또는 유사한 기능을 할 수 있기 때문인 것으로 고려된다.The mixing ratio of the high melting point chemical short fiber, the low melting point chemical short fiber and the reinforcing long fiber is preferably 30 to 40% by weight of the high melting point short chemical fiber, 40 to 50% by weight low melting point chemical short fiber and the 10 to 30 weight of the reinforcing long fiber Can be%. This is considered to be due to the fact that the reinforcing long fibers can function as the high melting point short fibers by replacing the high melting point short fibers.
특히, 상기한 섬유강화혼성부직포(10)의 적용은 내장재 적층체 표면의 기계적 성질을 강화하여 내장재 적층체의 표면에 스크래칭 등이 쉽게 생기지 않도록 한다.In particular, the application of the fiber-reinforced hybrid nonwoven fabric 10 is to enhance the mechanical properties of the surface of the interior material laminate so that scratching and the like on the surface of the interior material laminate does not easily occur.
상기한 섬유강화혼성부직포(10)를 구성하는 성분들 중 고융점화학단섬유는 폴리에스테르단섬유, 나일론단섬유, 폴리아크릴로니트릴단섬유, 폴리우레아단섬유, 폴리우레탄단섬유 및 이들중 2 이상의 혼합물로 이루어진 그룹 중에서 선택되는 것으로서, 여기에서 고융점이라 함은 통상 220℃ 이상의 온도에서 용융되는 것을 의미하는 것으로서, 통상의 고융점폴리에스테르단섬유가 대략 240 내지 260℃의 용융점을 가지므로 본 고안에서 사용하기에 적절하다. 바람직하게는 상기 고융점화학단섬유로는 고융점의 폴리에스테르단섬유가 사용될 수 있다.Among the components constituting the fiber-reinforced hybrid nonwoven fabric 10, high melting point chemical short fibers are polyester short fibers, nylon short fibers, polyacrylonitrile short fibers, polyurea short fibers, polyurethane short fibers, and two of them. It is selected from the group consisting of the above mixture, wherein the high melting point is usually meant to be melted at a temperature of 220 ℃ or more, since the conventional high melting point polyester short fibers have a melting point of approximately 240 to 260 ℃ It is suitable for use in the design. Preferably, the high melting point chemical short fibers may be used polyester short fibers of high melting point.
또한, 상기한 섬유강화혼성부직포(10)를 구성하는 성분들 중 저융점화학단섬유는 폴리프로필렌단섬유, 저융점의 폴리에스테르단섬유 또는 이들의 혼합물로 이루어진 그룹 중에서 선택된 것으로서, 여기에서 저융점이라 함은 통상 200℃ 미만의 온도에서 용융되어 가소성을 갖는 것을 의미하는 것으로서, 통상의 저융점폴리에스테르단섬유가 대략 110 내지 200℃의 용융점을 가지므로 본 고안에서 사용하기에 적절하다.In addition, among the components constituting the fiber-reinforced hybrid nonwoven fabric 10, the low melting point chemical short fibers are selected from the group consisting of polypropylene short fibers, low melting polyester short fibers, or a mixture thereof, where the low melting point This means that it has a plasticity by melting at a temperature of less than 200 ℃ usually, it is suitable for use in the present invention because the conventional low melting polyester short fibers have a melting point of approximately 110 to 200 ℃.
보강장섬유로 보강하지 아니한 혼성부직포(12) 역시 상기한 고융점화학단섬유와 저융점화학단섬유를 혼합하여 이루어질 수 있다. 이때의 고융점화학단섬유와 저융점화학단섬유의 혼합비율은 고융점화학단섬유 30 내지 80중량%와 저융점화학단섬유 20 내지 70중량%의 범위가 될 수 있다. 이 혼성부직포(12)에서도 상기 섬유강화혼성부직포(10)에서와 마찬가지로 성형 중에 가해지는 가열, 가압에 의하여 저융점화학단섬유가 부분적으로 용융, 압축되면서 섬유강화혼성부직포(10)가 자체 융착됨과 동시에 고융점화학단섬유들과 보강장섬유들 간을 접착시켜 고정시키며, 자체 융착된다.The hybrid nonwoven fabric 12 that is not reinforced with reinforcing long fibers may also be made by mixing the high melting point chemical short fibers and the low melting point chemical short fibers. At this time, the mixing ratio of the high-melting point chemical short fibers and the low-melting point chemical short fibers may be in the range of 30 to 80% by weight of the high melting point chemical short fibers and 20 to 70% by weight of the low melting point chemical short fibers. In the hybrid nonwoven fabric 12, as in the fiber reinforced hybrid nonwoven fabric 10, the low melting chemical short fibers are partially melted and compressed by heating and pressing applied during molding, and the fiber reinforced hybrid nonwoven fabric 10 is self-fused. At the same time, the high melting point chemical short fibers and the reinforcing long fibers are bonded to each other and fixed.
또한, 상기 접착제(14)는 핫멜트필름이나 핫멜트파우더와 같은 저융점의 접착제(14)를 용융시켜서 이루어지는 것으로서, 상기한 핫멜트필름이나 핫멜트파우더는 모두 상용적으로 공급되는 접착제(14)의 일종으로서 가열에 의하여 쉽게 용융되고, 냉각에 의하여 고화되어 접착제(14)로서 기능하는 것으로서, 역시 당해 기술분야에서 통상의 지식을 갖는 자에게는 용이하게 이해될 수 있는 것임은 자명한 것이다.In addition, the adhesive 14 is formed by melting an adhesive 14 having a low melting point, such as a hot melt film or a hot melt powder, and the hot melt film and the hot melt powder are all heated as a kind of the adhesive 14 commercially supplied. It is apparent that it easily melts by, solidifies by cooling, and functions as an adhesive 14, which can also be easily understood by those skilled in the art.
특히, 상기 섬유강화혼성부직포(10)의 양면에 부착, 고정된 혼성부직포(12)들 중 하나의 표면에 마감재(16)가 더 적층될 수 있으며, 이 마감재(16)를 달리하면서 여러 용도로 사용하는 것 또한 가능하다. 특히 자동차의 승용공간의 내장은 물론 자동차 후드라이닝(Hood Lining)용, 자동차 대쉬패널(Dash Panel)용, 자동차 카펫트용 또는 자동차 트렁크매트용 등으로 사용할 수 있음은 당해 기술분야에서 통상의 지식을 가진 자에게는 용이하게 이해될 수 있는 것이다.In particular, the finishing material 16 may be further laminated on the surface of one of the hybrid nonwoven fabrics 12 attached and fixed to both sides of the fiber-reinforced hybrid nonwoven fabric 10, and may be used for various purposes while varying the finishing material 16. It is also possible to use. In particular, it can be used as a vehicle interior lining, as well as for car hood lining, car dash panel, car carpet or car trunk mat, etc. It can be easily understood by one.
마감재(16)로 EVA쉬트 혹은 PVC쉬트와 같은 상용화된 마감재가 사용될 수 있다.As the finishing material 16, a commercially available finishing material such as an EVA sheet or a PVC sheet may be used.
상기 접착제(14)의 필름공급롤과 상형성을 핫멜트필름과 같은 접착용 필름으로 형성하는 경우에는, 도 3에 나타낸 바와 같이, 섬유강화혼성부직포롤(32)로부터 섬유강화혼성부직포(10)를 연속적으로 공급하면서 그 상면과 하면에 각각 상기 접착제(14)를 형성하기 위한 접착용 필름을 공급하는 접착필름공급롤(34)과 혼성부직포(12)를 공급하는 부직포공급롤(36)들로부터 접착용 필름과 혼성부직포(12)를 공급하고, 동시에 가이드로울러(38)들에 의하여 안내하여 가열가압챔버(40)로 도입시키고, 상기 가열가압챔버(40)에 의하여 섬유강화혼성부직포(10)에 덮여진 접착용 필름과 혼성부직포(12) 모두를 가열과 동시에 가압하여 하나의 접착된 내장재 적층체를 형성토록 한다. 이 때에, 상기 섬유강화혼성부직포(10) 및 혼성부직포(12)들을 이루는 성분들 중 저융점화학단섬유가 부분적으로 용해되어 용해되지 않는 고융점화학단섬유들 사이를 충진시키고, 이들을 서로 긴밀하게 결합시키는 등의 작용으로 섬유강화혼성부직포(10) 및 혼성부직포(12)들이 자체 융착되고, 이렇게 자체 융착된 섬유강화혼성부직포(10) 및 혼성부직포(12)들은 상기 접착제(14)에 의하여 서로 밀착되어 고정되게 된다. 가열, 가압되어 적층된 상기 내장재 적층체는 상기 가열가압챔버(40)에 인접하게 취부된 냉각챔버(42)에 의하여 냉각되면서 상기 접착제(14)와 상기 섬유강화혼성부직포(10) 및 혼성부직포(12)들 중의 저융점화학단섬유의 용융물들이 냉각되고, 고화되어 완전히 접착력을 나타낸다. 이 과정에서 상기 섬유강화혼성부직포(10) 및 혼성부직포(12)들은 그 두께가 원래의 섬유강화혼성부직포(10) 및 혼성부직포(12)들에 비하여 60 내지 90% 정도 감소될 수 있으며, 자체적으로 고융점화학단섬유를 기준으로 밀집되어 단단한 표면을 이룸과 동시에 서로 밀착된다. 상기한 전 과정은 상기 섬유강화혼성부직포(10)를 중심으로 양면에서 동시에 일어나게 되며, 따라서 1회의 가열가압공정으로 양면을 동시에 적층하여 내장재 적층체를 구성할 수 있게 되는 장점이 제공된다.When the film supply roll and the image forming of the adhesive 14 are formed of an adhesive film such as a hot melt film, as shown in FIG. 3, the fiber reinforced hybrid nonwoven fabric 10 is formed from the fiber reinforced hybrid nonwoven fabric roll 32. Bonding from the nonwoven fabric feed rolls 36 for supplying the adhesive film supply roll 34 and the hybrid nonwoven fabric 12 for supplying the adhesive film for forming the adhesive 14 on its upper and lower surfaces, respectively, while continuously supplying it. The film and the hybrid nonwoven fabric 12 are supplied, guided by the guide rollers 38 and introduced into the heating pressurizing chamber 40, and are introduced into the fiber reinforced hybrid nonwoven fabric 10 by the heating pressurizing chamber 40. Both the covered adhesive film and hybrid nonwoven fabric 12 are pressed simultaneously with heating to form one bonded interior material laminate. At this time, among the components constituting the fiber-reinforced hybrid nonwoven fabric 10 and the hybrid nonwoven fabric 12, the low melting point short staple fibers are partially dissolved and filled between the high melting point short staple fibers, which are not dissolved. The fiber-reinforced hybrid nonwoven fabric 10 and the hybrid nonwoven fabric 12 are self fused by the action of bonding and the like, and the self-bonded fiber reinforced hybrid nonwoven fabric 10 and the hybrid nonwoven fabric 12 are mutually bonded by the adhesive 14. It is tightly fixed. The interior laminate laminated by heating and pressing is cooled by a cooling chamber 42 mounted adjacent to the heating pressure chamber 40, and the adhesive 14, the fiber reinforced hybrid nonwoven fabric 10, and a hybrid nonwoven fabric ( The melts of the low melting point short fibers in 12) are cooled and solidified to show complete adhesion. In this process, the fiber-reinforced hybrid nonwoven fabric 10 and the hybrid nonwoven fabric 12 may be reduced in thickness by about 60 to 90% compared to the original fiber-reinforced hybrid nonwoven fabric 10 and the hybrid nonwoven fabric 12. They are dense on the basis of high melting point chemical short fibers to form a hard surface and close to each other at the same time. The whole process occurs at the same time on both sides around the fiber-reinforced hybrid nonwoven fabric 10, thus providing the advantage of being able to construct the interior laminate by simultaneously stacking both sides in one heating and pressing process.
적층이 완료된 내장재 적층체는 이후의 통상적인 후처리단계에서 절단장치(44) 등에 의하여 적절한 크기로 절단되고, 또한 필요에 따라 인쇄 및 포장 등이 수행될 수 있다.After the lamination is completed, the interior laminate may be cut to a suitable size by a cutting device 44 or the like in a conventional post-treatment step, and printing and packaging may be performed as necessary.
또한, 상기 접착제(14)의 형성을 핫멜트파우더와 같은 접착용 파우더로 형성하는 경우에는, 도 4에 나타낸 바와 같이, 섬유강화혼성부직포(10)를 이송컨베이어(30)에 의하여 연속적으로 공급하면서 그 상면에 디스펜서(46)로 접착용 파우더를 공급하고, 계속해서 히터(48)로 가열하여 상기 접착용 파우더를 용융시키고, 그 위에 상기 혼성부직포(12)를 공급하는 부직포공급롤(36)로부터 혼성부직포(12)를 공급하면서 동시에 가이드로울러(38)들에 의하여 안내하여 가열가압챔버(40)로 도입시키고, 상기 가열가압챔버(40)에 의하여 섬유강화혼성부직포(10)와 그 위에 덮여진 혼성부직포(12) 모두를 가열과 동시에 가압하여 일면이 마감된 내장재 적층체를 형성토록 할 수 있으며, 또한 상기 섬유강화혼성부직포(10)의 양면 모두를 혼성부직포(12)들로 마감하기 위하여는 상기 일면이 마감된 내장재 적층체를 반전시키고, 상기한 디스펜서(46)에 의한 접착용 파우더의 공급에서부터 가열가압챔버(40)에 의한 가열가압의 단계까지를 1회 더 수행할 수 있다.In addition, when the adhesive 14 is formed of an adhesive powder such as a hot melt powder, as shown in FIG. 4, the fiber-reinforced hybrid nonwoven fabric 10 is continuously supplied by the transfer conveyor 30 as shown in FIG. 4. The adhesive powder is supplied to the upper surface by the dispenser 46, and then heated by the heater 48 to melt the adhesive powder, and mixed from the nonwoven fabric supply roll 36 to supply the hybrid nonwoven fabric 12 thereon. At the same time, the nonwoven fabric 12 is guided by the guide rollers 38 to be introduced into the heating pressurization chamber 40, and the fiber reinforced hybrid nonwoven fabric 10 is covered by the heating pressurization chamber 40. Both the nonwoven fabric 12 can be pressurized simultaneously with heating to form an interior laminate having one surface finished, and also the amount of the fiber reinforced hybrid nonwoven fabric 10. In order to finish all of the surfaces with the hybrid nonwoven fabric 12, the interior laminate having one surface finished is inverted, and the heating pressure by the heating and pressing chamber 40 is supplied from the supply of the adhesive powder by the dispenser 46. The steps up to may be performed once more.
따라서, 본 고안에 의하면 보강장섬유로 보강된 섬유강화혼성부직포(10)와 혼성부직포(12)들을 포함하는 내장재 적층체 자체의 기계적 성질, 특히 내충격성을 강화시키고, 성형된 외형을 견고하게 유지시키도록 기능하는 내장재 적층체를 자동화되고, 기계화되어 연속적인 생산이 가능하면서도 생산 및 성형이 용이하고, 단가가 저렴한 내장재 적층체를 제공하는 효과가 있다.Therefore, according to the present invention, the mechanical properties, in particular, the impact resistance of the interior laminate including the fiber-reinforced hybrid nonwoven fabric 10 and the hybrid nonwoven fabric 12 reinforced with reinforcing long fibers are strengthened, and the molded appearance is firmly maintained. The interior of the interior laminate functioning to be automated, mechanized and capable of continuous production, yet easy to produce and molding, there is an effect of providing a low-cost interior materials laminate.
이상에서 본 고안은 기재된 구체예에 대해서만 상세히 설명되었지만 본 고안의 기술사상 범위 내에서 다양한 변형 및 수정이 가능함은 당업자에게 있어서 명백한 것이며, 이러한 변형 및 수정이 첨부된 실용신안등록청구범위에 속함은 당연한 것이다.Although the present invention has been described in detail only with respect to the embodiments described, it will be apparent to those skilled in the art that various modifications and changes are possible within the technical spirit of the present invention, and such modifications and modifications belong to the appended utility model claims. will be.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2020000014557U KR200203758Y1 (en) | 1999-04-12 | 2000-05-23 | Laminated liner |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019990005897U KR19990033339U (en) | 1999-04-12 | 1999-04-12 | Laminated liner |
| KR2020000014557U KR200203758Y1 (en) | 1999-04-12 | 2000-05-23 | Laminated liner |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019990005897U Division KR19990033339U (en) | 1999-04-12 | 1999-04-12 | Laminated liner |
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| Publication Number | Publication Date |
|---|---|
| KR200203758Y1 true KR200203758Y1 (en) | 2000-11-15 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019990005897U KR19990033339U (en) | 1999-04-12 | 1999-04-12 | Laminated liner |
| KR2020000014557U KR200203758Y1 (en) | 1999-04-12 | 2000-05-23 | Laminated liner |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019990005897U KR19990033339U (en) | 1999-04-12 | 1999-04-12 | Laminated liner |
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| Country | Link |
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| KR (2) | KR19990033339U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100428286B1 (en) * | 2000-11-20 | 2004-04-28 | 주식회사 디쎄븐 | Producing method of the polyester sound absorptive material having multiple web fiber structure |
| KR101456460B1 (en) * | 2013-03-12 | 2014-10-31 | (주) 금토일산업 | reinforced material of automobile head lining to prevent of deflection and its manufacturing method. |
| KR20200050049A (en) * | 2018-10-31 | 2020-05-11 | 주식회사 서연이화 | Composite materials for interior parts of vehicle, and manufacturing method for the same |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100451400B1 (en) * | 2002-03-23 | 2004-10-08 | (주)휴인텍 | Polyester non-woven composite sheet having excellent sound-absorbing and sound-blocking properties and manufacturing method thereof |
| KR100899613B1 (en) * | 2007-05-29 | 2009-05-27 | (주)대보휄트 | Fabric sheet using hemp fabric and method for manufacturing the same |
-
1999
- 1999-04-12 KR KR2019990005897U patent/KR19990033339U/en active IP Right Review Request
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2000
- 2000-05-23 KR KR2020000014557U patent/KR200203758Y1/en not_active IP Right Cessation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100428286B1 (en) * | 2000-11-20 | 2004-04-28 | 주식회사 디쎄븐 | Producing method of the polyester sound absorptive material having multiple web fiber structure |
| KR101456460B1 (en) * | 2013-03-12 | 2014-10-31 | (주) 금토일산업 | reinforced material of automobile head lining to prevent of deflection and its manufacturing method. |
| KR20200050049A (en) * | 2018-10-31 | 2020-05-11 | 주식회사 서연이화 | Composite materials for interior parts of vehicle, and manufacturing method for the same |
| KR102108905B1 (en) * | 2018-10-31 | 2020-05-13 | 주식회사 서연이화 | Composite materials for interior parts of vehicle, and manufacturing method for the same |
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| Publication number | Publication date |
|---|---|
| KR19990033339U (en) | 1999-08-05 |
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