KR0147441B1 - A decorated frp panel using decoration sheet prepreg and manufacturing method thereof - Google Patents
A decorated frp panel using decoration sheet prepreg and manufacturing method thereofInfo
- Publication number
- KR0147441B1 KR0147441B1 KR1019940025797A KR19940025797A KR0147441B1 KR 0147441 B1 KR0147441 B1 KR 0147441B1 KR 1019940025797 A KR1019940025797 A KR 1019940025797A KR 19940025797 A KR19940025797 A KR 19940025797A KR 0147441 B1 KR0147441 B1 KR 0147441B1
- Authority
- KR
- South Korea
- Prior art keywords
- decorative
- frp
- decorative sheet
- prepreg
- sheet
- Prior art date
Links
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
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/02—Layered products comprising a layer of paper or cardboard next to a fibrous or filamentary layer
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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
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/06—Layered products comprising a layer of paper or cardboard specially treated, e.g. surfaced, parchmentised
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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
- B32B5/022—Non-woven fabric
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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
- B32B5/22—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
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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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
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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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/028—Paper layer
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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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
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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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
Abstract
본 발명은 FRP 장식 판넬과 그 제조방법에 관한 것으로, 표면에 장식그림이 인쇄되어 있는 장식시이트(2) 예를들어, 종이 또는 부직포를 프리프레그화 처리하여 장식시이트 프리프레그(1a, 1b, 2)를 형성한 후, 장식 시이트 프리프레그(1a, 1b, 2)의 양면을 필름으로 접착시켜 권취 숙성시키고, 원하는 규격으로 재단한 다음 필름을 제거하고 필름이 제거된 장식 시이트 프리프레그(1a, 1b, 2)와 FRP의 재료인 시이트몰딩조성물을 일정한 성형조건하의 금형내에서 고온압착하여 FRP장식판넬을 제조하는 제조방법과 이 제조방법에의해 장식 시이트 프리프레그(1a, 1b, 2)가 FRP판넬상에 고착된 구조의 FRP 장식 판넬을 제공함으로써 FRP판넬의 자유로운 장식부여를 가능케 한 것이다.The present invention relates to an FRP decorative panel and a method of manufacturing the same, wherein the decorative sheet (2) having a decorative picture printed on the surface thereof, for example, is prepreg-treated with paper or nonwoven fabric, and the decorative sheet prepreg (1a, 1b, 2). ), The both sides of the decorative sheet prepregs (1a, 1b, 2) are bonded to the film by winding and aged, cut to the desired size, the film is removed, and the decorative sheet prepregs (1a, 1b with the film removed). , 2) and a sheet molding composition, which is a material of FRP, are hot pressed in a mold under a certain molding condition to produce a FRP decorative panel, and the decorative sheet prepregs 1a, 1b, and 2 are prepared by By providing the FRP decorative panel of the structure fixed on the above, it is possible to free decoration of the FRP panel.
Description
제1도는 본 발명에 따른 FRP 장식 판넬의 단면도,1 is a cross-sectional view of the FRP decorative panel according to the present invention,
제2도는 본 발명에 따른 FRP 장식 판넬을 구성하는 장식 시이트 프리프레그의 제조장치에 대한 개략적인 구성도이다.2 is a schematic configuration diagram of an apparatus for manufacturing a decorative sheet prepreg constituting the FRP decorative panel according to the present invention.
*도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1a, 1b:프리프레그층 2:장식 시이트 층1a, 1b: prepreg layer 2: decorative sheet layer
3:FRP 판넬 4:시이트 언와인더(unwinder)3: FRP panel 4: sheet unwinder
5:함침조 6:프리프레그 혼합물5: impregnation tank 6: prepreg mixture
7a, 7b:필름로울러 8:접착로울러7a, 7b: film roller 8: adhesive roller
9:장식 시이트 프리프레그 권취(winding) 로울러9: Decorative sheet prepreg winding roller
본 발명은 FRP(Fiber glass Reinforced Plastics) 장식 판넬 및 그 제조방법에 관한 것으로, 특히 장식 시이트(decoration sheet)를 기재(基材)로 한 장식 시이트 프리프레그와 시이트몰딩주성물(SMC, Sheet Molding Compound)이 일체 성형되어서 이루어지되, 장식 시이트 프리프레그층이 FRP 장식 판넬의 표면이 되게 함으로써 그 표면에 장식이 부여된 FRP 장식 판넬과 그 제조방법에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fiber glass reinforced plastics (FRP) decorative panel and a method of manufacturing the same, and in particular, a decorative sheet prepreg and sheet molding compound (SMC) based on a decorative sheet. The present invention relates to an FRP decorative panel and a method of manufacturing the same, wherein the decorative sheet prepreg layer is formed on the surface of the FRP decorative panel.
FRP는 섬유유리로 강화된 플라스틱계 복합재료로서, 경량. 내식성. 내열성. 성형성 등이 뛰어난 고성능. 고기능성을 가지므로, 건축토목분야, 수송기계분야, 전자전기분야을 포함한 여러분야에서 그 활용범위가 점점 확대되어가고 있고, 아울러 장식기능을 가진 FRP의 요구도 크게 증가되어가고 있는 시점이다.FRP is a plastic composite reinforced with fiberglass and lightweight. Corrosion resistance. Heat resistance. High performance with excellent formability. Because of its high functionality, the field of application is expanding in all fields, including construction, civil engineering, transportation machinery, and electronics, and the demand for FRP with decorative functions is also increasing.
일반적으로, FRP의 원재료인 시이트몰딩조성물은 불포화폴리에스테르수지, 저수축제, 섬유유리 등으로 구성되는데, 착색을 위해 투입하는 안료는 저수축제와 상용성이 불량하기 때문에 연한회색, 연한파랑, 상아색 등 연한 색상 외에는 착색이 불가능하고, 고온성형시에는 시이트몰딩조성물의 유동패턴이 일정하지 않아 색상의 재현성이 불량하므로, 장식성을 부여하기에는 한계가 있었다.In general, sheet molding composition, which is a raw material of FRP, is composed of unsaturated polyester resin, low shrinkage agent, fiberglass, etc., and the pigment used for coloring has poor compatibility with low shrinkage agent, so it is light gray, light blue, ivory color, etc. Coloring is impossible except for light colors, and at high temperature molding, the flow pattern of the sheet molding composition is not constant, and thus color reproducibility is poor. Therefore, there is a limit in providing decorativeness.
이에따라 페인팅 또는 전사인쇄 등의 방법으로써 FRP 판넬에 장식을 부여하는 경우가 일반적으로 이용되었으나, 이는 복잡한 장식부여공정으로 인해 생산성저하와 가격상승이 발생되는 문제가 있었다. 또한, 전사인쇄의 경우에 있어서는 물성저하로 인해 그 이용범위가 제한되어 문제점이 있었다.Accordingly, the decoration of the FRP panel is generally used as a method of painting or transfer printing, but there is a problem in that productivity and price increase are caused by a complicated decoration granting process. In addition, in the case of transcription printing, there is a problem that the use range is limited due to deterioration of physical properties.
이에 본 발명은 상기와 같은 종래의 FRP 장식 판넬의 장식부여가 제한되는 문제점을 해결하기위한 것으로, 원하는 색상과 무늬가 자유롭게 표현된 FRP 장식 판넬 및, 공정이 간단하여 생산성이 뛰어나고 범용적으로 사용가능하면서도 색상과 무늬를 자유롭게 표현할 수 있는 FRP 장식 판넬의 제조방법을 제공하는데 그 목적이 있다.Therefore, the present invention is to solve the problem that the decoration of the conventional FRP decorative panel as described above, the FRP decorative panel that the desired color and pattern can be freely expressed, and the process is simple, the productivity is excellent and can be used universally Its purpose is to provide a method of manufacturing FRP decorative panels that can express colors and patterns freely.
상기와 같은 본 발명의 목적을 달성하기 위한 본 발명의 FRP 장식 판넬은, 장식 그림이 인쇄되어 있는 장식 시이트와; 상기 장식 시이트에 함침되어 상기 장식 시이트와 함께 표면층을 이루는 프리프레그층; 및 상기 표면층의 하부에 고착된FRP decorative panel of the present invention for achieving the object of the present invention as described above, the decorative sheet is a decorative picture is printed; A prepreg layer impregnated with said decorative sheet to form a surface layer with said decorative sheet; And fixed to the bottom of the surface layer
FRP 판넬로 이루어져 있다.It consists of FRP panel.
상기한 바와 같은 구조로 이루어진 본 발명의 FRP 장식 판넬은, 페인팅 또는 전사 인쇄와 같은 방법에 의해 FRP 판넬상에 직접적으로 장식 그림이 부여된 종래의 FRP 장식 판넬과는 달리, 매끈한 외관을 지니며 장식 그림이 있는 표면층이 반영구적으로 보존될 수 있는 것이다.The FRP decorative panel of the present invention having the structure as described above, unlike the conventional FRP decorative panel that is given a decorative picture directly on the FRP panel by a method such as painting or transfer printing, decorated with a smooth appearance Surfaces with pictures can be preserved semipermanently.
한편, 본 발명에 따른 FRP 장식 판넬의 제조방법은, 장식그림이 인쇄되어 있는 장식시이트에 프리프레그화 성분을 함침시켜서 장식 시이트 프리프레그를 형성하는 공정; 상기 장식 시이트 프리프레그의 양면을 필름으로 접착시키는 공정; 상기 필름이 접착된 상기 장식 시이트 프리프레그를 권취하여 숙성시키는 공정; 숙성된 상기 필름이 접착된 장식 시이트 프리프레그에서 필름을 제거하는 공정; 및 필름이 제거된 상기 장식 시이트 프리프레그를 재단하는 공정; 상기 재단된 장식 시이트 프리프레그와 FRP의 재료인 시이트몰딩조성물(Sheet Molding Compound)을 금형 내에서 성형하는 공정들을 포함한다. 즉, 프리프레그화 공정을 통해 장식부여를 위한 장식 시이트 프리프레그를 먼저 제조하고, 이 제조된 장식 시이트 프리프레그를 이용하여 판넬표면의 부분 또는 전부를 장식하는 FRP 장식 판넬 제조방법이다.On the other hand, the manufacturing method of the FRP decorative panel according to the present invention comprises the steps of forming a decorative sheet prepreg by impregnating the prepregization component in the decorative sheet is printed decorative pictures; Bonding both sides of the decorative sheet prepreg to a film; Winding and aging the decorative sheet prepreg to which the film is bonded; Removing the film from the decorative sheet prepreg to which the aged film is bonded; And cutting the decorative sheet prepreg from which the film is removed. And forming a sheet molding compound, which is a material of the cut decorative sheet prepreg and the FRP, in a mold. That is, it is a method of manufacturing an FRP decorative panel which firstly prepares a decorative sheet prepreg for imparting through a prepregization process and then decorates part or all of the panel surface by using the manufactured decorative sheet prepreg.
이하 본 발명을 첨부된 도면에 의거하여 더욱 상세히 설명하기로 한다.Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.
제1도는 본 발명에 따른 장식 시이트 프리프레그를 이용한 FRP 장식 판넬의 일실시예의 구조를 도시한 단면도이다.1 is a cross-sectional view showing the structure of one embodiment of the FRP decorative panel using a decorative sheet prepreg according to the present invention.
제1도를 참조하면, 본 발명에 따른 FRP 장식 판넬은, 프리프레그층(1a) (1b)이상. 하면에 함침된 일정한 크기의 장식 시이트(2)가 FRP 판넬(3)위에 고착되어 FRP 장식 판넬의 표면층(1a, 1b, 2)을 형성하는 구조를 가진다. 여기서 상기 표면층(1a, 1b, 2)은 제1도에 표시된 것처럼, FRP 판넬(3)의 표면 전체에 형성될 수도 있지만, 일부에만 형성될 수도 있다(도시되지 아니함). 즉, 장식코자 하는 목적에 따라 표면층(1a, 1b, 2)의 크기를 조절함으로써 다양한 패턴의 장식부여를 할 수 있다.Referring to Figure 1, the FRP decorative panel according to the present invention is a prepreg layer (1a) (1b) or more. The decorative sheet 2 of constant size impregnated on the lower surface is fixed on the FRP panel 3 to form the surface layers 1a, 1b, 2 of the FRP decorative panel. Here, the surface layers 1a, 1b, 2 may be formed on the entire surface of the FRP panel 3, as shown in FIG. 1, but may be formed only in part (not shown). In other words, by adjusting the size of the surface layer (1a, 1b, 2) according to the purpose to decorate, it is possible to decorate in various patterns.
상기 장식 시이트 프리프레그(1a, 1b, 2)는, 그 기재로서 장식을 목적으로 하는 다양한 무늬와 색상이 표면에 인쇄된 장식시이트, 예를 들면, 종이 또는 부직포가 사용되며 불포화폴리에스테르수지, 저수축제, 경화제, 이형제 등으로 이루어진 프리프레그화 성분을 상기 장식 시이트에 함침시켜, 즉, 프리프레그화하여 형성된 것이다.The decorative sheet prepregs 1a, 1b, and 2 are used as the substrate, and decorative sheets, for example, paper or non-woven fabric printed on the surface of various patterns and colors for decoration purposes, are used as unsaturated polyester resin, water storage The prepregization component which consists of a festival, a hardening | curing agent, a mold release agent, etc. is impregnated to the said decoration sheet, ie, it is formed by prepregization.
여기서, 상기 장식 시이트 프리프레그(1a, 1b, 2)의 기재로 사용되는 종이의 경우, 셀룰로오스가 주성분이고 그 단량은 30g/㎡ - 1000g/㎡까지 사용가능하나, 가장 바람직한 것은 80g/㎡ - 500g/㎡이다. 기재가 부직포일 경우, 그 재질로서는 일반적으로 폴리에스테르계, 폴리에틸렌계, 폴리프로필렌계, 나일론계, 폴리염화비닐계 등 여러 가지가 사용될 수 있으나, 프리프레그화의 용이성 및 성형시 시이트몰딩조성물의 경화발열에 의한 변형 등을 고려해 볼 때 가장 바람직한 것은 폴리에스테르계이고, 단량이 50g/㎡ - 900g/㎡까지 사용가능하나 가장 바람직한 것은 100g/㎡ - 500g/㎡이다.Here, in the case of the paper used as the base material of the decorative sheet prepregs 1a, 1b, and 2, cellulose is the main component and the amount thereof can be used up to 30 g / m 2-1000 g / m 2, but most preferably 80 g / m 2-500 g / M 2. When the base material is a nonwoven fabric, various materials such as polyester, polyethylene, polypropylene, nylon, and polyvinyl chloride may be used as the material, but the ease of prepregization and curing of the sheet molding composition during molding Considering deformation due to exotherm, the most preferred one is polyester-based, and although the amount can be used up to 50 g / m 2 -900 g / m 2, the most preferred is 100 g / m 2 -500 g / m 2.
상기에서 설명한 바와 같이, 본 발명의 FRP 장식 판넬은, 장식용 그림이 표면에 인쇄된 두께가 얇은 시이트가 프레프레그화되어 시이트몰딩조성물 위에 성형. 접착된 구조로 되어있으므로, 다양한 색상과 무늬의 장식이 부여될 수있다. 또한, 상기 FRP 장식 판넬은, 재단공정을 통해 그 넓이가 조절된 장식 시이트 프리프레그로써 여러 패턴으로 장식되어 양호한 미감효과를 나타낼 수 있다.As described above, in the FRP decorative panel of the present invention, a thin sheet having a decorative picture printed on its surface is prepreg-molded on a sheet molding composition. Since it is of a bonded structure, it can be decorated with various colors and patterns. In addition, the FRP decorative panel, as a decorative sheet prepreg whose width is adjusted through a cutting process can be decorated in various patterns can exhibit a good aesthetic effect.
제2도는 프리프레그층(1a)(1b)이 함침된 장식 시이트 프리프레그(1a, 1b, 2)의 제조장치에 대한 개략적인 구성도이다. 이하 제2도를 참고하여, 본발명에 따른 FRP 장식 판넬의 제조방법의 실시예를 설명하기로 한다.2 is a schematic configuration diagram of an apparatus for manufacturing decorative sheet prepregs 1a, 1b and 2 impregnated with the prepreg layers 1a and 1b. Hereinafter, with reference to Figure 2, an embodiment of the manufacturing method of the FRP decorative panel according to the present invention will be described.
먼저, 시이트 언와인더(4)로부터 풀려나온 장식시이트를 프리프레그 혼합물로 채워진 함침조(5)에 통과시킴으로써 프리프레그화한다. 즉, 장식시이트(2)에 프리프레그 혼합물을 함침시켜서 장식 시이트 프리프레그를 형성한다. 상기 프리프레그 혼합물의 종류 및 그 바람직한 배합 비율의 일례를 표1에 나타내었다. (불포화폴리 에스테르수지의 중량을 100 부로 기준으로 정한다.)First, the decorative sheet released from the sheet unwinder 4 is passed through the impregnation tank 5 filled with the prepreg mixture to prepreg. In other words, the decorative sheet 2 is impregnated with the prepreg mixture to form a decorative sheet prepreg. Table 1 shows an example of the kind of the prepreg mixture and its preferred blending ratio. (Based on 100 parts by weight of unsaturated polyester resin.)
불포화폴리에스테르수지는 오프토프탈릭, 테러프탈릭, 이소프탈릭, 비스페놀계 수지 뿐만 아니라, 다른 구조의 프탈릭-계 수지도 사용가능하나, 가장 바람직한 것은 테러프탈릭, 이소프탈릭-계 수지이다.Unsaturated polyester resins can be used not only of offtopphthalic, terrorphthalic, isophthalic and bisphenol resins, but also of other structures of phthalic-based resins, but most preferred are terrorphthalic and isophthalic-based resins.
저수축제로서는, 폴리스티렌, 폴리비닐아세테이트, 폴리메틸메타크릴레이트, 폴리스틸렌 공중합체 등이 가능하고, 가장 바람직한 것은 폴리스티렌만 사용하거나 또는 저수축제를 첨가하지 않는 것이다. 그 함량은 0-100부(수지 100부 기준)까지 사용가능하나, 특히 가장 바람직한 것은 0-50부 이다.As the low shrinkage agent, polystyrene, polyvinylacetate, polymethylmethacrylate, polystyrene copolymer, or the like can be used. Most preferably, only polystyrene or no low shrinkage agent is added. The content can be used from 0-100 parts (based on 100 parts of resin), but most preferably 0-50 parts.
경화제로서는 일반적인 유기 과산화물의 어떤 형태도 가능하나, 장식 시이트 프리프레그와 시이트몰딩조성물이 고온에서 성형되는 일반적인 조건을 고려할 때 고온용 경화제가 가장 바람직하다. 그 예로는 제3부틸퍼록시벤조에이트(Tert.-Butyl Peroxy Benzoate), 제3부틸퍼록시이소프로필카르보네이트(Tert.-Butyl Peroxy Isopropyl Carbonate), 제3부틸퍼록시-2-에틸헥시노에이트(Tert.-Butyl Peroxy-2-Ethylhexanoate), 1,1, 디-제3-부틸퍼록시-3,3,5-트리메틸사이클로헥산(1,1-Di-T.-Butyl Peroxy 3,3,5-Trimethyl Cyclohexane) 등이며, 가장 바람직한 것은 제3부틸퍼록시벤조에이트(Tert.-Butyl Peroxy Benzoate)이다. 그 함량은 0.3-5부(수지 100기준)까지 사용가능하나, 바람직한 것은 0.7-2부이다.Although any form of a general organic peroxide can be used as a hardening | curing agent, the high temperature hardening | curing agent is most preferable considering the general conditions in which decorative sheet prepreg and sheet molding composition are shape | molded at high temperature. Examples include Tert.-Butyl Peroxy Benzoate, Tert.-Butyl Peroxy Isopropyl Carbonate, and tert-Butyl Peroxy Isopropyl Carbonate. Tert.-Butyl Peroxy-2-Ethylhexanoate, 1,1, di-tert-butylperoxy-3,3,5-trimethylcyclohexane (1,1-Di-T.-Butyl Peroxy 3,3 , 5-Trimethyl Cyclohexane), and the most preferred is Tert.-Butyl Peroxy Benzoate. The content can be used up to 0.3-5 parts (based on 100 resins), but preferably 0.7-2 parts.
이형제로는 스테아르산아연, 스테아르산칼슘 등이 이용될 수 있으며, 특히 가장 양호한 것은 스테아르산아연이다. 그 함량은 0-10부(수지 100기준)까지 사용가능하나 4-6부가 가장 일반적이다.As the release agent, zinc stearate, calcium stearate, or the like may be used, and zinc stearate is particularly preferable. The content can be used from 0-10 parts (100 resins), but 4-6 parts is the most common.
증점제로는 산화마그네슘, 산화칼슘, 수산화마그네슘, 수산화칼슘 등이 사용될 수 있으며, 가장 바람직한 것은 산화마그네슘이다. 증점제의 함량은 함침조(5)의 용량과 시이트감김속도, 프리프레그 혼합물의 장식시이트에의 투과정도 등을 고려하여 결정함이 바람직하며 일반적으로 0-20부(수지 100기준)까지 사용가능하나, 특히 가장 바람직한 것은 0.5-10부이다.As the thickener, magnesium oxide, calcium oxide, magnesium hydroxide, calcium hydroxide and the like can be used, and magnesium oxide is most preferred. The content of the thickener is preferably determined in consideration of the capacity of the impregnation tank (5), the sheet winding speed, and the permeability of the prepreg mixture to the decorative sheet. Generally, it can be used from 0 to 20 parts (100 resins). , Most preferably 0.5-10 parts.
이어서, 상. 하부 필름로울러(7a)(7b) 각각으로부터 풀려나온 필름으로 장식 시이트 프리프레그의 양면을 접착로울러(8)에서 접착시키고 권취로울러(9)로 필름층이 접착된 장식 시이트 프리프레그를 감는다. 이 때, 필름은 프리프레그화 처리공정을 거쳐 제조된 장식 시이트 프리프레그(1a, 1b, 2)의 권취(winding)시 장식 시이트 프리프레그(1a, 1b, 2)간의 접착을 방지하고 및 장식 시이트 프리프레그(1a, 1b, 2) 권취의 취급을 용이하게 하기 위해 사용되며, 그 재질의 일례로 폴리프로필렌을 들 수 있다.Then, phase. Both sides of the decorative sheet prepreg are adhered by the adhesive roller 8 with the film released from each of the lower film rollers 7a and 7b, and the decorative sheet prepreg in which the film layer is bonded by the winding roller 9 is wound. At this time, the film prevents adhesion between the decorative sheet prepregs 1a, 1b and 2 during the winding of the decorative sheet prepregs 1a, 1b and 2 manufactured through the prepregization process and the decorative sheet. It is used in order to facilitate handling of the prepreg 1a, 1b, 2 winding, and an example of the material is polypropylene.
계속해서, 감긴 필름층이 접착된 상기 장식 시이트 프리프레그를 최종적으로 숙성시킨 다음, 장식 시이트 프리프레그에 접착되어 있는 필름층을 제거하고 장식 시이트 프리프레그를 장식하고자하는 목적에 따라 FRP의 부분, 1/2 전면 또는 일정 크기로 재단하여 FRP재료인 시이트몰딩조성물 위에 놓은 후에 성형한다. 여기서, 상기 시이트몰딩조성물은 건축자재용, 자동차용 혹은 전기전자용 등 어떤 타입도 사용 가능하다. 또한, 이 때의 성형조건으로서는, 인쇄면이 보이는 상기 장식 시이트 프리프레그의 표면이 닿게될 상부금형의 온도는 80-180℃이고, 바람직하기로는 130-160℃이고 하부금형의 온도는 80-165℃이고 바람직하기로는 125-160℃이며, 성형압력은 5-100kg/c㎡정도이고, 보다 바람직하기로는 7-70kg/c㎡이다. 또한 상부금형이 하부금형에 채워져 있는 원재료에 닿은 직후부터 가압이 완료된 시점까지의 시간인 3속시간은 0.5-9sec/mm이고 더욱 바람직하기로는 1.5-3sec/mm이며, 가압지속시간 및 기타 성형조건은 시이트몰딩조성물만을 재료로 하여 성형하는 일반적인 FRP 판넬의 단독성형의 경우와 동일하다.Subsequently, the decorative sheet prepreg to which the wound film layer is bonded is finally aged, and then the portion of the FRP is removed according to the purpose of removing the film layer adhered to the decorative sheet prepreg and decorating the decorative sheet prepreg. / 2 Cut it to the front or to a certain size and place it on the sheet molding composition, which is a FRP material, before forming. Here, the sheet molding composition may be used in any type, such as for building materials, automobiles or electrical and electronics. Further, as the molding conditions at this time, the temperature of the upper mold to be brought into contact with the surface of the decorative sheet prepreg in which the printing surface is visible is preferably 80-180 ° C, preferably 130-160 ° C and the temperature of the lower mold is 80-165 ℃, preferably 125-160 ℃, the molding pressure is about 5-100kg / cm 2, more preferably 7-70kg / cm 2. In addition, the three-speed time, which is the time from when the upper mold touches the raw material filled in the lower mold to the completion of the pressurization, is 0.5-9 sec / mm, more preferably 1.5-3 sec / mm, and the pressurization duration and other molding conditions Silver is the same as in the case of the general molding of the FRP panel, which is molded using only the sheet molding composition.
장식그림이 인쇄된 종이 또는 부직포 등의 장식시이트를 프리프레그화 방법을 이용하여 장식효과를 위한 장식 시이트 프리프레그를 제조하고 또한, FRP의 재료인 시이트몰딩조성물과 장식 시이트 프리프레그를 함께 고온압착성형하여 장식 시이트 프리프레그 FRP 판넬상에 고착시켜 표면층이 되게 함으로써, 본 발명에 따른 FRP 장식 판넬은 FRP 판넬 제조이후에 페인팅 또는 전사인쇄의 방법으로써 장식이 부여되는 종래의 FRP 장식 판넬에 비해 장식부여, 장식그림의 내구성 및 생산가 측면에서 월등하게 우수하다.Prepreg is used to decorate decorative sheets such as paper or non-woven fabrics printed with decorative pictures, and to produce decorative sheet prepregs for decorative effects. The sheet molding composition, which is a material of FRP, and the decorative sheet prepreg together are formed by high temperature compression. By adhering onto the decorative sheet prepreg FRP panel to be a surface layer, the FRP decorative panel according to the present invention is decorated with a decoration compared with the conventional FRP decorative panel, which is decorated with a method of painting or transfer printing after the production of the FRP panel, Excellent durability and production of decorative paintings.
이상과 같이 본 발명은, 자유로운 장식을 가능하게하는 FRP 장식 판넬과 그 제조방법를 제공해 주는 신규하고도 유용한 발명이다.As mentioned above, this invention is a novel and useful invention which provides the FRP decoration panel which enables free decoration, and its manufacturing method.
Claims (15)
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| KR1019940025797A KR0147441B1 (en) | 1994-10-08 | 1994-10-08 | A decorated frp panel using decoration sheet prepreg and manufacturing method thereof |
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| KR1019940025797A KR0147441B1 (en) | 1994-10-08 | 1994-10-08 | A decorated frp panel using decoration sheet prepreg and manufacturing method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100491732B1 (en) * | 2002-11-28 | 2005-05-25 | (주) 지오시스 | Panel for raised access floor and manufacturing method thereof |
| CN107461010A (en) * | 2017-06-23 | 2017-12-12 | 苏州科逸住宅设备股份有限公司 | Manufacture method for the colored decorating plate of integral bathroom |
| CN108189426A (en) * | 2017-12-26 | 2018-06-22 | 苏州科逸住宅设备股份有限公司 | The production method and water-proof plate of bathroom surface flexible water-proof plate |
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1994
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100491732B1 (en) * | 2002-11-28 | 2005-05-25 | (주) 지오시스 | Panel for raised access floor and manufacturing method thereof |
| CN107461010A (en) * | 2017-06-23 | 2017-12-12 | 苏州科逸住宅设备股份有限公司 | Manufacture method for the colored decorating plate of integral bathroom |
| WO2018232769A1 (en) * | 2017-06-23 | 2018-12-27 | 苏州科逸住宅设备股份有限公司 | Manufacturing method of color decorative panel for prefabricated bathroom unit |
| CN108189426A (en) * | 2017-12-26 | 2018-06-22 | 苏州科逸住宅设备股份有限公司 | The production method and water-proof plate of bathroom surface flexible water-proof plate |
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