KR100475212B1 - Car sunshade board having a multi-layered structure - Google Patents
Car sunshade board having a multi-layered structure Download PDFInfo
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- KR100475212B1 KR100475212B1 KR10-2002-0046330A KR20020046330A KR100475212B1 KR 100475212 B1 KR100475212 B1 KR 100475212B1 KR 20020046330 A KR20020046330 A KR 20020046330A KR 100475212 B1 KR100475212 B1 KR 100475212B1
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- gom
- foam sheet
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J7/00—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs
- B60J7/0007—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs moveable head-liners, screens, curtains or blinds for ceilings
- B60J7/003—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs moveable head-liners, screens, curtains or blinds for ceilings one or more sliding rigid plate or lammellae
- B60J7/0038—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs moveable head-liners, screens, curtains or blinds for ceilings one or more sliding rigid plate or lammellae stored in stacked fashion
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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
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J3/00—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles
- B60J3/002—External sun shield, e.g. awning or visor
Abstract
본 발명은 경량화된 다층구조의 자동차용 선쉬이드 보드(Sunshade Board)에 관한 것으로서, 특히 가벼우면서 강도 및 기계적 물성이 우수하고, 동시에 공정을 단축시킬 수 있게 한 양질의 제품을 제공하고자 하는 것이다.The present invention relates to a lightweight sunshade board having a light weight multilayer structure. In particular, the present invention is to provide a high-quality product which is light in weight, excellent in strength and mechanical properties, and at the same time, can shorten the process.
상기 목적을 달성하기 위하여 본 발명은 유리섬유와 폴리올레핀 섬유를 혼합한 GOM을 얻고, 상기 GOM을 예열 성형한 다음 GOM(2) 사이에 고밀도 발포시트를 위치시켜 가압하고 이들이 일체형으로 접합된 성형소재(10)를 얻은 후, 상기 성형소재를 냉간 성형하여 필요한 제품을 성형케하며, 필요에 따라 냉간 성형시 GOM 외측에 표피제(6)를 위치시킨 후 성형토록 함으로서 냉간 성형과 동시에 표피제(6)가 일체로 접합 구성되게 하여서 된 것이다.In order to achieve the above object, the present invention obtains a GOM mixed with a glass fiber and a polyolefin fiber, pre-formed the GOM and then pressurized by placing a high density foam sheet between the GOM (2) and molded integrally bonded them ( 10) and then cold forming the molding material to mold the necessary products, and if necessary, by placing the skin (6) on the outside of the GOM during cold molding, and then to the molding, the skin (6) Is made to be integrally bonded.
Description
본 발명은 자동차용 선쉬이드 보드(Sunshade Board)의 개량에 관한 것으로서, 가벼우면서 강도가 우수하고 제조공정이 간단하도록 한 것이다.The present invention relates to an improvement of a sunshade board for automobiles, which is light and excellent in strength and simple in manufacturing.
자동차용 선쉬이드 보드는 본 발명의 출원인이 선등록(특허 제341097호)한 것이 있다.The sunshade board for automobiles is pre-registered (patent 341097) by the applicant of the present invention.
즉, 유리섬유사와 폴리프로필렌 섬유사를 혼합하여 일정두께를 갖는 메트(mat) 상태의 GOM을 얻고, 상기 GOM을 열프레스로 각각 가압예열 성형한 후 상기 소재를 다층으로 적층 냉간 성형하여 필요한 형태의 제품으로 성형되게 한 것이며, 필요에 따라 메트상태의 GOM과 GOM 사이에 폴리올레핀계 섬유부직포를 삽입하거나 GOM 외측에 PET 부직포가 위치되게 한 것이다.That is, by mixing the glass fiber and polypropylene fiber yarn to obtain a GOM of a mat state having a predetermined thickness, pressurized pre-heating the GOM with a heat press, respectively, and laminated cold forming the material in a multi-layer of the required form It is intended to be molded into a product, and if necessary, a polyolefin fiber nonwoven fabric is inserted between the GOM and the GOM in a mat state, or a PET nonwoven fabric is positioned outside the GOM.
따라서 상기한 방법으로 제조된 선쉬이드 보드는 종래 선쉬이드 보드로 사용되고 있는 글라스울(Glass Wool)이나 폐섬유를 폐놀수지 접착제로 혼합한 재료하여 성형소재로 이용하던 것과 비교하면 성형성과 차수안정성이 우수한 양질의 성형소재를 제공받을 수 있게 되는 효과가 있는 것이었으나 다음과 같은 미비점도 있는 것이었다.Therefore, the sunshade board manufactured by the method described above is superior in formability and order stability compared to that used as a molding material by mixing glass wool or waste fiber, which is used as a sunshade board, with waste glue resin adhesive. There was an effect that can be provided with a high quality molding material, but also had the following drawbacks.
즉, 강도 증진을 위하여서는 소재 투입량을 증진시킴과 동시에 강화제를 사용하게 되므로 그에 따른 중량의 증가를 가져오게되고, 따라서 경량화를 요구하는 자동차용 소재로서는 바람직하지 못한 것이었다.That is, in order to enhance the strength, the material input amount is increased and at the same time, the reinforcement agent is used, so that the weight is increased. Therefore, it is not preferable as an automobile material that requires weight reduction.
본 발명은 이러한 종래의 미비점을 개량 보완한 것으로서, 특히 제품의 경량화와 함께 강도를 증진케 하며, 또한 외부 표피제를 냉간 성형시 동시 성형 가능케 하여 공정단축의 효과를 기대할 수 있게 구성한 것이다.The present invention improves and supplements the conventional shortcomings, and in particular, it is possible to increase the strength with light weight of the product, and also to enable the external skin agent to be simultaneously molded during cold forming, so that the effect of process shortening can be expected.
상기 목적을 달성하기 위하여 본 발명은 유리섬유와 폴리올레핀계 섬유를 혼합한 매트(mat) 형태의 GOM을 얻고, 상기 소재를 예열 성형한 후 강도증진 목적을 위하여서는 GOM 사이에 기존 사용되어 왔던 강화제 대용으로 고밀도 발포시트를 투입하여 냉간 성형하게 되며, 이때 사용되는 고밀도 발포시트의 원재료로는 폴리에틸렌(Poly ethylene), 폴리프로필렌(Poly prophylene)의 발포시트를 이용하며 이때 소재의 내부구조는 오픈셀(open cell)등이 사용되나 예열된 GOM과 고밀도 발포시트와의 용이한 접합성을 위하여서는 폴리프로필렌(PP) 발포시트를 사용하게 된다.In order to achieve the above object, the present invention obtains a GOM in a mat form in which glass fibers and polyolefin fibers are mixed, and substitutes a reinforcing agent that has been conventionally used between the GOMs for strength enhancement after preheating the material. The high-density foam sheet is cold-formed, and the raw material of the high-density foam sheet used is foamed sheets of polyethylene (polyethylene) and polypropylene (poly prophylene) .In this case, the internal structure of the material is open cell. cell) is used, but for easy bonding between the preheated GOM and the high density foam sheet, polypropylene (PP) foam sheet is used.
또한 상기 냉간 성형작업 중 GOM 외면에 표피제 즉, PET 부직포를 위치시킨 다음 동시 성형할 수도 있어 공정을 단축시킬 수가 있다.In addition, during the cold forming operation, the outer surface of the GOM may be placed on the outer surface of the GOM, ie, PET nonwoven fabric, and then simultaneously molded, thereby shortening the process.
이하 본 발명의 실시예를 첨부도면에 따라 상세히 설명하면 다음과 같다.Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
유리섬유와 폴리올레핀계 섬유가 혼합된 소재를 이용하여 매트상태로 제조한 GOM을 얻고, 이를 예열 성형하여 일정두께를 갖는 소재로 1차 성형한 후, 상기 예열된 GOM(2) 사이에 고밀도 발포시트(4)를 투입 일정두께로 가열 가압하여 이들이 상호 접합된 성형소재(10)를 얻고, 상기 성형소재를 냉간성형하여 필요한 제품을 얻는 것이다.Obtain a GOM manufactured in a mat state using a material mixed with glass fibers and polyolefin-based fibers, and pre-molded it first to form a material having a certain thickness, then a high density foam sheet between the preheated GOM (2) (4) is heated and pressurized to a predetermined thickness to obtain a molded material 10 in which they are bonded to each other, and cold forming the molded material to obtain a required product.
상기에서 사용되는 고밀도 발포시트제로서는 경량의 소재인 폴리올레핀 (PE.PP)수지의 발포된 시트를 주로 사용하게 된다.As the high-density foam sheet used in the above, a foamed sheet of polyolefin (PE.PP) resin, which is a lightweight material, is mainly used.
그러나 GOM(2)의 소재가 유리섬유와 폴리올레핀계 섬유로 구성되어 있어 이들의 용이한 접합을 위하여서는 폴리프로필렌(PP) 수지계열의 발포된 시트 사용이 이상적이다.However, since the material of the GOM 2 is composed of glass fibers and polyolefin fibers, it is ideal to use foamed sheets of polypropylene (PP) resin series for easy bonding thereof.
도2에서와 같이 GOM(2) 사이에 고밀도 발포시트의 접합이 완료된 성형소재 (10)를 이용하여 제품을 냉간성형하고자 할 경우에 도3에서와 같이 GOM 외측에 표피제(6)를 위치시킨 다음 동시에 성형되게 할 수도 있으며, 이때 사용되는 표피제(6)의 예를 들면 PET 부직포와 같은 것이 있다.As shown in FIG. 2, when the product is to be cold-formed using the molding material 10 in which the high-density foam sheet is bonded between the GOMs 2, the skin 6 is placed outside the GOM as shown in FIG. It may then be molded at the same time, for example, such as PET nonwoven fabric of the skin agent 6 used.
이상과 같이 본 발명은 자동차용 선쉬이드 보드를 제조함에 있어서 유리섬유와 폴리올레핀계 섬유를 혼합 예열 성형하여 얻어진 GOM(2) 사이에 무게가 가벼운 폴리올레핀계 수지를 발포한 폼(Foam) 형태의 고밀도 발포시트를 투입 가열 가압하여 성형소재(10)를 얻고, 상기 성형소재(10)를 이용하여 필요한 제품을 냉간 성형하게 된다.As described above, the present invention provides a high-density foam in the form of a foam in which a lightweight polyolefin resin is foamed between a GOM (2) obtained by mixing and preheating a glass fiber and a polyolefin-based fiber in the manufacture of an automobile sunshield board. The sheet is subjected to heating and pressurization to obtain a molding material 10, and cold forming a required product by using the molding material 10.
상기한 성형소재(10)의 경우 GOM(2) 사이에 경량인 고밀도 발포시트(4)가 위치하고 있어 외력이 가해지면 고밀도 발포시트(4)가 제품 내부에서 힘을 분산시켜 주게 되므로 가벼우면서 강도 등의 기계적 물성이 우수한 성형소재를 제공할 수 있게 된다.In the case of the above-mentioned molded material 10, the light-weight high-density foam sheet 4 is located between the GOMs 2, and when the external force is applied, the high-density foam sheet 4 disperses the force inside the product, thereby making it light and strong. It is possible to provide a molding material having excellent mechanical properties.
또한 성형소재(10)를 이용하여 제품을 냉간 성형할때 GOM(2) 외면에 부직포와 같은 표피제(6)가 위치되게 한 상태에 냉간 성형하게 되면 표피제(6)가 GOM(2)과 일체로 접합 구성되어 표면이 매끈한 양질의 제품을 제공받을 수 있게 되므로 간단한 공정으로 표피제(6)를 일체화되게 할 수 있다.In addition, when the product is cold-formed using the molding material 10, when the product is cold-formed in a state in which the skin 6, such as a nonwoven fabric, is placed on the outer surface of the GOM 2, the skin 6 is formed from the GOM 2 and. It is possible to integrate the skin (6) in a simple process because it is integrally bonded to be able to receive a high-quality product with a smooth surface.
상기 본 발명에서 사용되고 있는 고밀도 발포시트(4)의 발포 배율은 현재 15.30.45 배율이 주로 양산되고 있으며, 경우에 따라서는 5~45 배율의 제품을 사용할 수도 있고, 본 발명에서 사용되는 폼(Foam) 즉 발포시트는 15배율의 제품을 활용하였다.The foaming ratio of the high-density foam sheet 4 used in the present invention is currently 15.30.45 magnification is mainly mass-produced, in some cases may be used products of 5 to 45 magnification, foam used in the present invention (Foam In other words, the foam sheet utilized the product of 15 times.
일반적으로 사용되고 있는 EPP폼의 물리적 특성은표(1)과 같다.Physical properties of EPP foams generally used are shown in Table (1).
표(1)Table (1)
이상 설명한 바와 같이 본 발명은 자동차용 선쉬이드 보드를 제조함에 있어서, 유리섬유와 폴리올레핀계 섬유를 혼합, GOM을 얻고, 상기 소재를 예열성형한 후 예열성형된 GOM 사이에 경량인 폴리올레핀(PE.PP)수지의 고밀도 발포시트를 위치시킨 다음 가압하여 성형소재를 얻고, 상기 성형소재를 냉간 성형하여 필요한 제품을 성형케 하므로서 가벼우면서 강도가 우수한 양질의 제품을 제공받을 수 있게 되며, 또한 냉간 성형시 표피제를 동시에 접합되게 할 수 있어 공정을 단축시킬 수 있게 되는 등의 효과가 있는 것이다.As described above, the present invention provides a GOM by mixing glass fibers and polyolefin-based fibers in the manufacture of automotive sunshield boards, and pre-molding the material, and then lightweight polyolefin (PE.PP) between the pre-molded GOM. Place the high-density foam sheet of the resin and then pressurize to obtain a molding material, and by cold forming the molding material to form the required product, it is possible to receive a high-quality product with excellent lightness and strength, and also to the skin during cold forming. The agent can be bonded at the same time, so that the process can be shortened.
도 1 : 본 발명에 사용되는 GOM의 구성도1: Configuration diagram of the GOM used in the present invention
도 2 : 본 발명에서 GOM 사이에 고밀도 발포시트를 적층한 상태도Figure 2 is a state in which the high density foam sheet laminated between the GOM in the present invention
도 3 : 본 발명에서 GOM 외측에 표피제를 위치시킨 상태도Figure 3 is a state diagram of the epidermis located outside the GOM in the present invention
도 4 : 도3의 분해 구성도4 is an exploded configuration diagram of FIG. 3
《도면의 주요 부분에 대한 부호의 설명》`` Explanation of symbols for main parts of drawings ''
(2)--GOM (4)--고밀도 발포시트(2)-GOM (4)-High Density Foam Sheet
(6)--표피제 (10)--성형소재(6)-Epider (10)-Molding Material
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| Application Number | Priority Date | Filing Date | Title |
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| KR10-2002-0046330A KR100475212B1 (en) | 2002-08-06 | 2002-08-06 | Car sunshade board having a multi-layered structure |
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| Application Number | Priority Date | Filing Date | Title |
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| KR10-2002-0046330A KR100475212B1 (en) | 2002-08-06 | 2002-08-06 | Car sunshade board having a multi-layered structure |
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| KR20040013412A KR20040013412A (en) | 2004-02-14 |
| KR100475212B1 true KR100475212B1 (en) | 2005-03-10 |
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Cited By (1)
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| KR101305391B1 (en) * | 2012-01-09 | 2013-09-06 | 영보화학 주식회사 | A manufacturing method of composite substrate using a extruding sheet for an automobile |
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| KR101032303B1 (en) * | 2010-10-29 | 2011-05-06 | 주식회사 유씨엠테크 | Mold for manufacturing safty display apparatus of corn type |
| KR101305392B1 (en) * | 2012-01-09 | 2013-09-06 | 영보화학 주식회사 | A manufacturing method of composite substrate using a non-woven fabric for an automobile |
| KR101364437B1 (en) * | 2012-08-10 | 2014-02-17 | 영보화학 주식회사 | Manufacturing method of a composite substrate for an automobile |
| CN112606443A (en) * | 2020-11-27 | 2021-04-06 | 合肥杰迈特汽车新材料有限公司 | Processing technology of ultra-light GMT plate |
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| KR101305391B1 (en) * | 2012-01-09 | 2013-09-06 | 영보화학 주식회사 | A manufacturing method of composite substrate using a extruding sheet for an automobile |
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