JP3497334B2 - Unit plate made of fiber reinforced resin - Google Patents
Unit plate made of fiber reinforced resinInfo
- Publication number
- JP3497334B2 JP3497334B2 JP30414596A JP30414596A JP3497334B2 JP 3497334 B2 JP3497334 B2 JP 3497334B2 JP 30414596 A JP30414596 A JP 30414596A JP 30414596 A JP30414596 A JP 30414596A JP 3497334 B2 JP3497334 B2 JP 3497334B2
- Authority
- JP
- Japan
- Prior art keywords
- resin
- unit plate
- resin layer
- fiber
- thickness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、水タンク、貯湯タ
ンク、クーリングタワー、壁パネル等に好適に用いられ
る繊維強化樹脂製単位板に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fiber-reinforced resin unit plate suitable for use in water tanks, hot water storage tanks, cooling towers, wall panels and the like.
【０００２】[0002]
【従来の技術】従来、繊維強化樹脂製単位板の成形材料
として、不飽和ポリエステル樹脂、フェノール樹脂等の
熱硬化性樹脂、低収縮化樹脂、硬化剤及び炭酸カルシウ
ム等の無機充填剤を配合した樹脂コンパウンドを繊維強
化材たるガラス繊維に含浸させたＳＭＣ（シート・モー
ルディング・コンパウンド）を用いることが知られてい
る。繊維強化樹脂製単位板の成形は、半硬化状のＳＭＣ
を金型上に積層して載置し、加熱、加圧成形する方法に
より得られる。2. Description of the Related Art Conventionally, thermosetting resins such as unsaturated polyester resins and phenol resins, low-shrinkage resins, curing agents and inorganic fillers such as calcium carbonate have been compounded as molding materials for fiber-reinforced resin unit plates. It is known to use SMC (sheet molding compound) in which a resin compound is impregnated in glass fiber which is a fiber reinforcing material. Molded fiber reinforced resin unit plates are semi-cured SMC
It is obtained by a method of stacking and placing on a mold, and heating and pressure molding.
【０００３】[0003]
【発明が解決しようとする課題】繊維強化樹脂製単位板
の表面には樹脂層が形成されているが、それは無機充填
剤を含むきわめて薄い層である。しかも、該樹脂層付近
に繊維強化材たるガラス繊維を多量に有する。このた
め、特別の処理加工、例えば、インモールドコーティン
グあるいは脱型後の表面被覆がなされない限り、表面の
欠陥が現れやすい。A resin layer is formed on the surface of the fiber-reinforced resin unit plate, which is an extremely thin layer containing an inorganic filler. Moreover, a large amount of glass fiber, which is a fiber reinforcement, is present near the resin layer. Therefore, unless a special treatment such as in-mold coating or surface coating after demolding is performed, surface defects are likely to appear.
【０００４】つまり、成形時において、繊維強化材、無
機充填剤、硬化剤等に起因するＳＭＣの流動性不良があ
り、表面光沢の不足、ピンホールの発生、繊維や充填剤
の浮き出し等の現象を生じやすく、商品価値を損なうこ
とがある。That is, at the time of molding, there is a fluidity defect of SMC due to a fiber reinforcing material, an inorganic filler, a curing agent, etc., and a phenomenon such as lack of surface gloss, generation of pinholes, embossing of fibers and filler, etc. Are likely to occur, which may impair the commercial value.
【０００５】また、屋外で使用される水タンク、クーリ
ングタワー等に用いられる場合、天然曝露による劣化が
あり、ガラス繊維の浮き出しや無機充填剤の露出が生じ
る。さらに、これらにより生ずる表面の凹凸部分に、ご
み、粉塵が付着して汚染を生じ、外観が損なわれる上、
該部分の劣化により単位板の寿命を縮めるという問題点
がある。Further, when it is used in a water tank, a cooling tower, etc. used outdoors, it is deteriorated by natural exposure, so that glass fibers stand out and inorganic fillers are exposed. In addition, dust and dirt adhere to the irregularities on the surface caused by these, resulting in pollution, and the appearance is impaired.
There is a problem that the life of the unit plate is shortened due to the deterioration of the portion.
【０００６】 本発明は、上記のような問題点に鑑みな
されたもので、繊維強化樹脂製単位板の表面に特定の樹
脂層を形成して耐候性の向上を図るとともに、その樹脂
層に優れた透明感を持たせた外観美麗な繊維強化樹脂製
単位板を提供することを目的とする。[0006] The present invention has been made in view of the problems as described above, along with improved resistance to weathering to form a specific resin layer on the surface of the fiber-reinforced resin unit plate, to the resin layer It is an object of the present invention to provide a unit plate made of a fiber-reinforced resin that has an excellent appearance and has an excellent transparency.
【０００７】[0007]
【課題を解決するための手段】不飽和ポリエステル樹脂
等の熱硬化性樹脂、硬化剤及び炭酸カルシウム等の無機
充填剤を配合した樹脂コンパウンドをガラス繊維に含浸
させて半硬化状のＳＭＣとし、該半硬化状のＳＭＣを主
体として加熱、加圧成形して得られる繊維強化樹脂製単
位板において、少なくとも一方の表面側に、不飽和ポリ
エステル樹脂、低収縮化樹脂及び水酸化アルミニウムを
配合してなる樹脂層を形成したものであって、該樹脂層
は、厚さが０．５〜５．０ｍｍであって、光線透過率が
３０〜４８％であり、かつ該樹脂層は、該樹脂層を形成
する樹脂コンパウンドの硬化物の屈折率ｎ＝１．５６〜
１．５５となる樹脂コンパウンドを積層したものである
ことを特徴とする繊維強化樹脂製単位板である。[Means for Solving the Problems] A glass fiber is impregnated with a resin compound containing a thermosetting resin such as an unsaturated polyester resin, a curing agent and an inorganic filler such as calcium carbonate to obtain a semi-cured SMC. A fiber-reinforced resin unit plate obtained by heating and pressure-molding a semi-cured SMC as a main component, with an unsaturated polyester resin, a low-shrinkage resin and aluminum hydroxide blended on at least one surface side. be one obtained by forming the resin layer, the resin layer is a thickness of 0.5 to 5.0 mm, light transmittance Ri 30-48% der, and the resin layer, the resin layer Forming
Refractive index n = 1.56 of cured product of resin compound
Der Rukoto that the resin compound laminated to a 1.55 a fiber-reinforced resin unit plate according to claim.
【０００８】ここで、半硬化状のＳＭＣとは、例えば、
イソフタル酸系、テレフタル酸系又はビスフェノール系
等の不飽和ポリエステル樹脂、ビニルエステル樹脂、エ
ポキシ樹脂、フエノール樹脂等の熱硬化性樹脂に、炭酸
カルシウム等の充填剤、硬化剤、酸化マグネシウム等の
増粘剤等を配合した樹脂コンパウンドを、ロービングガ
ラスのチョップ繊維その他のガラス繊維あるいは炭素繊
維のチョップ繊維等に含浸させて作製したものであっ
て、保存性や取扱性を高めるために樹脂のべとつきが無
くなるまで増粘させた、所謂熟成させたシート状成形材
料である。Here, the semi-cured SMC is, for example,
Thermosetting resins such as isophthalic acid-based, terephthalic acid-based or bisphenol-based unsaturated polyester resins, vinyl ester resins, epoxy resins, phenol resins, etc., with fillers such as calcium carbonate, hardening agents, thickening of magnesium oxide, etc. It is made by impregnating a resin compound containing agents with chopping fiber of roving glass or other glass fiber or chop fiber of carbon fiber, etc. It is a so-called aged sheet-shaped molding material that has been thickened to.
【０００９】本発明は、上記のような半硬化状のＳＭＣ
を主体として加熱、加圧成形して得られる繊維強化樹脂
製単位板において、少なくとも一方の表面側に、不飽和
ポリエステル樹脂、低収縮化樹脂及び水酸化アルミニウ
ムを配合してなる樹脂層を形成したものであり、該樹脂
層は、厚さが０．５〜５．０ｍｍであって、光線透過率
が３０〜４８％の範囲にあることを特徴とする。The present invention provides a semi-cured SMC as described above.
In a fiber-reinforced resin unit plate obtained by heating and pressure-forming mainly, a resin layer formed by blending an unsaturated polyester resin, a low shrinkage resin and aluminum hydroxide was formed on at least one surface side. The resin layer has a thickness of 0.5 to 5.0 mm and a light transmittance of 30 to 48%.
【００１０】本発明において、上記樹脂層の厚さは０．
５〜５．０ｍｍである。０．５ｍｍ未満では均一層の形
成が困難であり、また成形品の外観において本発明の特
徴とする外観の深み即ち透明感が得られない。樹脂層の
厚さが５．０ｍｍを超えると成形品の樹脂層側に、収縮
差による反りを生じ、成形品の欠陥となりやすい。In the present invention, the resin layer has a thickness of 0.
It is 5 to 5.0 mm. If the thickness is less than 0.5 mm, it is difficult to form a uniform layer, and the appearance of the molded product, that is, the depth of the appearance, that is, the transparency, cannot be obtained. When the thickness of the resin layer exceeds 5.0 mm, warpage due to the difference in shrinkage occurs on the resin layer side of the molded product, which easily causes defects in the molded product.
【００１１】また、該樹脂層は、光線透過率が３０〜４
８％である。ここで、光線透過率とは、上記樹脂層を形
成する不飽和ポリエステル樹脂、低収縮化樹脂及び水酸
化アルミニウムを配合してなる樹脂コンパウンドの硬化
物たる成形板の一方の側の光源から光線を当て、該成形
板を通過して反対側に透過した光線量を測定したもので
あって、該成形板の光線透過率を全光線透過率（測定基
準試料による）で除した値の百分率である。Further, the resin layer has a light transmittance of 30 to 4
8%. Here, the light transmittance means a light ray from a light source on one side of a molded plate which is a cured product of a resin compound formed by blending an unsaturated polyester resin forming the resin layer, a low shrinkage resin and aluminum hydroxide. It is a measurement of the amount of light passing through the molded plate and transmitted to the opposite side, and is a percentage of the value obtained by dividing the light transmittance of the molded plate by the total light transmittance (according to the measurement reference sample). .
【００１２】本発明における上記樹脂層は、該樹脂層を
形成する樹脂コンパウンドの硬化物の屈折率が水酸化ア
ルミニウムの屈折率に近接したものとなる樹脂コンパウ
ンドを積層することにより得ることができる。通常、例
えば、水酸化アルミニウムの屈折率ｎ＝１．５７に対
し、前記樹脂コンパウンド硬化物の屈折率ｎ＝１．５６
〜１．５５程度となるように樹脂コンパウンドを積層す
ることが好ましい。屈折率が近接することにより光線透
過率が増大する。上記樹脂層の不飽和ポリエステル樹脂
としては、イソフタル酸系、テレフタル酸系、ビスフェ
ノール系、ビニルエステル系等の各不飽和ポリエステル
樹脂を用いることができる。The resin layer in the present invention can be obtained by laminating a resin compound in which a cured product of a resin compound forming the resin layer has a refractive index close to that of aluminum hydroxide. Usually, for example, the refractive index n = 1.57 of aluminum hydroxide, whereas the refractive index n = 1.56 of the cured resin compound.
It is preferable to stack the resin compounds so that the thickness is about 1.55. The light transmittance increases as the refractive indices approach each other. As the unsaturated polyester resin of the resin layer, each unsaturated polyester resin of isophthalic acid type, terephthalic acid type, bisphenol type, vinyl ester type or the like can be used.
【００１３】上記樹脂層を配合成分でみると、不飽和ポ
リエステル樹脂５０〜８０重量部、低収縮化樹脂２０〜
５０重量部、水酸化アルミニウム１５０〜２５０重量部
を有することが好ましい。低収縮化樹脂としては、ポリ
メタクリル酸メチル系、ポリスチレン系、ポリ酢酸ビニ
ル系、ポリエチレン系等のものが挙げられる。As for the above resin layer in terms of compounding components, unsaturated polyester resin 50 to 80 parts by weight, low shrinkage resin 20 to
It is preferable to have 50 parts by weight and 150 to 250 parts by weight of aluminum hydroxide. Examples of the low-shrinkage resin include polymethyl methacrylate-based, polystyrene-based, polyvinyl acetate-based, and polyethylene-based resins.
【００１４】上記樹脂層の代表的な好ましい組成を例示
すると、不飽和ポリエステル樹脂（日立化成社製ＰＳ−
９３１０）６０重量部、低収縮化樹脂（日立化成社製Ｐ
Ｓ−Ｂ９１５５）４０重量部、水酸化アルミニウム２５
０重量部を有する。An example of a typical preferable composition of the resin layer is an unsaturated polyester resin (PS- manufactured by Hitachi Chemical Co., Ltd.).
9310) 60 parts by weight, low shrinkage resin (P manufactured by Hitachi Chemical Co., Ltd.
S-B9155) 40 parts by weight, aluminum hydroxide 25
It has 0 parts by weight.
【００１５】この樹脂層について、厚さ〔Ｘ〕（ｍｍ）
と光線透過率〔Ｙ〕との関係をみると、該樹脂層を形成
する樹脂コンパウンドの硬化物（成形板）の厚さ〔Ｘ〕
と光線透過率〔Ｙ〕との関係を示す図１のグラフのとお
りである。図から明らかなとおり、５ｍｍ厚さにおける
光線透過率は３０％であり、厚さ〔Ｘ〕と光線透過率
〔Ｙ〕との関係が直線的に変化するものであり、ほぼ、
式〔Ｙ〕＝５０−３．４〔Ｘ〕（相関係数ｒ＝−０．９
８６）で示すことができる。The thickness [X] (mm) of this resin layer
And the light transmittance [Y], the thickness [X] of the cured product (molded plate) of the resin compound forming the resin layer
Is a graph of FIG. 1 showing the relationship between the light transmittance and the light transmittance [Y]. As is clear from the figure, the light transmittance at a thickness of 5 mm is 30%, and the relationship between the thickness [X] and the light transmittance [Y] changes linearly, and
Formula [Y] = 50-3.4 [X] (correlation coefficient r = -0.9
86).
【００１６】すなわち、本発明において、繊維強化樹脂
製単位板の少なくとも一方の表面側に形成される樹脂層
は、厚さが０．５〜５．０ｍｍであって、光線透過率が
３０〜４８％であり、さらに好ましくは、厚さ〔Ｘ〕
（ｍｍ）と光線透過率〔Ｙ〕との関係において、〔Ｙ〕
≧５０−３．４〔Ｘ〕（相関係数ｒ＝−０．９８６）で
ある。もっとも、実施上、この式による算出値は厳密に
数学的に解釈されるべきものではなく、均等な範囲を排
除するものではない。That is, in the present invention, the resin layer formed on at least one surface side of the fiber-reinforced resin unit plate has a thickness of 0.5 to 5.0 mm and a light transmittance of 30 to 48. %, And more preferably the thickness [X]
In the relation between (mm) and light transmittance [Y], [Y]
≧ 50-3.4 [X] (correlation coefficient r = −0.986). However, in practice, the value calculated by this formula should not be strictly mathematically interpreted, and an equivalent range is not excluded.
【００１７】本発明に係る繊維強化樹脂製単位板は、
不飽和ポリエステル樹脂を配合した上記樹脂コンパウン
ドをＳＭＣ成形硬化物の表面に載置し、加熱、加圧する
方法、不飽和ポリエステル樹脂を配合した上記樹脂コ
ンパウンドをシート状にして半硬化状のＳＭＣ表面に重
ね合わせて加熱、加圧する方法等により製造される。Ｓ
ＭＣ成形硬化物の表面に樹脂コンパウンドを積層する場
合、成形硬化物の表面を予めサンディングするか、又は
表面に凹凸を設け接着性を高めて行うべきである。ＳＭ
Ｃ基材は、公知の組成、方法により製造することができ
る。通常、ＳＭＣの厚さは３．５〜１３ｍｍ程度である
が、必要に応じて適宜実施され、特に限定されるもので
はない。The fiber-reinforced resin unit plate according to the present invention is
A method of placing the above-mentioned resin compound containing an unsaturated polyester resin on the surface of an SMC molded cured product, and heating and pressurizing the resin compound containing an unsaturated polyester resin into a sheet shape on a semi-cured SMC surface. It is manufactured by a method of heating and pressurizing them in a superposed manner. S
When the resin compound is laminated on the surface of the MC cured product, the surface of the cured product should be sanded in advance, or unevenness should be provided on the surface to enhance the adhesiveness. SM
The C base material can be produced by a known composition and method. Usually, the thickness of the SMC is about 3.5 to 13 mm, but it is appropriately performed as necessary and is not particularly limited.
【００１８】[0018]
〔実施例１〕水タンク用単位板（サイズ：１０００×１
０００ｍｍ，重量１５ｋｇ）を成形するため、先ず、下
記の配合からなる樹脂コンパウンドとロービングガラス
のチョップ繊維（含有量：３０重量％）とにより、半硬
化状のＳＭＣ基材を常法により作製した。[Example 1] Unit plate for water tank (size: 1000 x 1
000 mm, weight 15 kg), first, a semi-cured SMC base material was prepared by a conventional method from a resin compound having the following composition and chopping fibers (content: 30% by weight) of roving glass.
【００１９】 〔ＳＭＣ基材の組成〕 不飽和ポリエステル樹脂（イソフタル酸系ポリエステル樹脂）８０重量部 低収縮化樹脂 ２０重量部 硬化剤（ｔ−ブチルパーオキシベンゾエート） １重量部 内部離型剤（ステアリン酸亜鉛） ５重量部 充填剤（炭酸カルシウム） １２０重量部 顔料 ３重量部[0019] [Composition of SMC substrate] 80 parts by weight of unsaturated polyester resin (isophthalic acid type polyester resin) Low shrinkage resin 20 parts by weight Hardener (t-butyl peroxybenzoate) 1 part by weight Internal release agent (zinc stearate) 5 parts by weight Filler (calcium carbonate) 120 parts by weight Pigment 3 parts by weight
【００２０】次いで、上記ＳＭＣ基材を所定のサイズに
裁断して５枚重ねとし、金型内に載置して、加熱、加圧
し、四辺に起立したフランジ（高さ７０ｍｍ）を有する
形状の単位板を成形した。成形は、金型温度を１３５
℃、成形圧力を５０ｋｇ／ｃｍ2 、加圧保持時間を７分
として行なった。Next, the above SMC base material was cut into a predetermined size to form five layers, which were placed in a mold, heated and pressed, and formed into a shape having flanges (height 70 mm) standing on four sides. A unit plate was molded. Molding is performed at a mold temperature of 135
° C., a molding pressure 50 kg / cm 2, was subjected to pressure holding time as 7 minutes.
【００２１】さらに、上記により得られた単位板の表面
をサンディングして粗面にし、その上に樹脂コンパウン
ドの硬化物の屈折率が充填剤の水酸化アルミニウムの屈
折率に近いものとなる、下記の配合の樹脂コンパウンド
を載置して、前記成形条件にて加熱、加圧し、透明感に
優れた表面樹脂層（厚さ２ｍｍ）を有する繊維強化樹脂
製単位板を得た。なお、上記樹脂コンパウンドの硬化物
の光線透過率は５ｍｍ厚さにおいて３０％であった（測
定装置は、日本電色社製の濁度計Σ８０を使用）。Further, the surface of the unit plate obtained as described above is sanded to make it rough, and the cured product of the resin compound has a refractive index close to that of the filler aluminum hydroxide. A resin compound having the above composition was placed and heated and pressed under the molding conditions described above to obtain a fiber-reinforced resin unit plate having a surface resin layer (thickness 2 mm) excellent in transparency. The light transmittance of the cured product of the above resin compound was 30% at a thickness of 5 mm (the measurement device was a turbidimeter Σ80 manufactured by Nippon Denshoku Co., Ltd.).
【００２２】 〔樹脂コンパウンドの組成〕 不飽和ポリエステル樹脂（日立化成社製ＰＳ−９３１０） ６０重量部 低収縮化樹脂（日立化成社製ＰＳ−Ｂ９１５５） ４０重量部 水酸化アルミニウム ２５０重量部[0022] [Composition of resin compound] Unsaturated polyester resin (PS-9310 manufactured by Hitachi Chemical Co., Ltd.) 60 parts by weight Low shrinkage resin (Hitachi Chemical Co., Ltd. PS-B9155) 40 parts by weight Aluminum hydroxide 250 parts by weight
【００２３】〔実施例２〕先ず、実施例１と同様にして
半硬化状のＳＭＣ基材を常法により作製した。Example 2 First, a semi-cured SMC substrate was prepared in the same manner as in Example 1.
【００２４】次いで、上記ＳＭＣ基材を所定のサイズに
裁断して５枚重ねとし、その上に、下記配合の樹脂コン
パウンドのシート（１枚）を重ね合わせ、金型内に載置
して、加熱、加圧し、四辺に起立したフランジ（高さ７
０ｍｍ）を有する形状の単位板を成形した。成形条件
は、実施例１と同じとした。Next, the above SMC base material was cut into a predetermined size to form 5 sheets, and a sheet (1 sheet) of a resin compound having the following composition was placed thereon and placed in a mold, Heated and pressurized flanges (height 7
0 mm) was formed into a unit plate. The molding conditions were the same as in Example 1.
【００２５】 〔樹脂コンパウンドの組成〕 不飽和ポリエステル樹脂（日立化成社製ＰＳ−９３１０） ６０重量部 低収縮化樹脂（日立化成社製ＰＳ−Ｂ９１５５） ４０重量部 水酸化アルミニウム ２５０重量部[0025] [Composition of resin compound] Unsaturated polyester resin (PS-9310 manufactured by Hitachi Chemical Co., Ltd.) 60 parts by weight Low shrinkage resin (Hitachi Chemical Co., Ltd. PS-B9155) 40 parts by weight Aluminum hydroxide 250 parts by weight
【００２６】なお、前記樹脂コンパウンドのシート化
は、上記樹脂コンパウンドに増粘剤（酸化マグネシウ
ム、０．８重量部）を配合したものをポリプロフィルム
に塗工して加温熟成した、いわゆるＳＭＣ製法にてシー
ト化した樹脂コンパウンドのシートを作製することによ
り行なった。The resin compound is formed into a sheet by a so-called SMC manufacturing method in which a resin mixture containing a thickener (magnesium oxide, 0.8 parts by weight) is applied to a polypro film and aged by heating. It was carried out by preparing a sheet of resin compound which was formed into a sheet by.
【００２７】かくして、外表面が透明感に優れた表面樹
脂層（厚さ２ｍｍ）を有する繊維強化樹脂製単位板を得
た。なお、上記樹脂コンパウンドの硬化物の光線透過率
は５ｍｍ厚さにおいて３０％であった（測定装置は、日
本電色社製の濁度計Σ８０を使用）。Thus, a fiber reinforced resin unit plate having a surface resin layer (thickness: 2 mm) having an excellent transparency on the outer surface was obtained. The light transmittance of the cured product of the above resin compound was 30% at a thickness of 5 mm (the measurement device was a turbidimeter Σ80 manufactured by Nippon Denshoku Co., Ltd.).
【００２８】[0028]
【発明の効果】従来の単位板においては基材ＳＭＣの成
形面がそのまま外観となったが、本発明によれば、繊維
強化樹脂製単位板の表面に特定の樹脂層が形成され、従
来の単位板で生じやすい天然曝露によるガラス繊維や無
機充填剤の露出、またこれらの露出により生ずる表面の
凹凸部分へのごみ、粉塵の付着等を避けて汚染を防止す
ることができ、耐候性を向上させることができる。EFFECTS OF THE INVENTION In the conventional unit plate, the molding surface of the base material SMC has the same appearance, but according to the present invention, a specific resin layer is formed on the surface of the fiber-reinforced resin unit plate, and It is possible to prevent contamination by avoiding exposure of glass fiber and inorganic filler due to natural exposure that tends to occur on the unit plate, dust on the uneven surface of the surface caused by these exposure, adhesion of dust, etc., and improved weather resistance. Can be made.
【００２９】また、表面光沢があり、被覆層はその厚さ
にもかかわらず透明感に優れていることで深みが感じら
れる美麗な外観を呈し、さらに、透明感、深みが増した
ことにより、この透明な樹脂層に部分的に顔料を流した
り、天然石や装飾粉を添加すること等により形成される
大理石模様等も、一層美麗なものとすることができる。In addition, the coating layer has a surface gloss and is excellent in transparency regardless of its thickness, so that it has a beautiful appearance in which depth is felt. Further, since the transparency and depth are increased, A marble pattern formed by partially pouring a pigment into the transparent resin layer or adding natural stone or decorative powder can be made more beautiful.
【図１】樹脂層を形成する樹脂コンパウンドの硬化物の
厚さ〔Ｘ〕と光線透過率〔Ｙ〕との関係を示すグラフで
ある。FIG. 1 is a graph showing the relationship between the thickness [X] of a cured product of a resin compound forming a resin layer and the light transmittance [Y].
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) B32B 1/00 - 35/00 ─────────────────────────────────────────────────── ─── Continuation of the front page (58) Fields surveyed (Int.Cl. 7 , DB name) B32B 1/00-35/00
Claims (2)
脂、硬化剤及び炭酸カルシウム等の無機充填剤を配合し
た樹脂コンパウンドをガラス繊維に含浸させて半硬化状
のＳＭＣとし、該半硬化状のＳＭＣを主体として加熱、
加圧成形して得られる繊維強化樹脂製単位板において、
少なくとも一方の表面側に、不飽和ポリエステル樹脂、
低収縮化樹脂及び水酸化アルミニウムを配合してなる樹
脂層を形成したものであって、該樹脂層は、厚さが０．
５〜５．０ｍｍであって、光線透過率が３０〜４８％で
あり、かつ該樹脂層は、該樹脂層を形成する樹脂コンパ
ウンドの硬化物の屈折率ｎ＝１．５６〜１．５５となる
樹脂コンパウンドを積層したものであることを特徴とす
る繊維強化樹脂製単位板。1. A semi-cured SMC is obtained by impregnating glass fiber with a resin compound containing a thermosetting resin such as an unsaturated polyester resin, a curing agent and an inorganic filler such as calcium carbonate. Heating mainly by SMC,
In the fiber reinforced resin unit plate obtained by pressure molding,
At least one surface side, unsaturated polyester resin,
A resin layer is formed by blending a low shrinkage resin and aluminum hydroxide, and the resin layer has a thickness of 0.
A 5～5.0Mm, Ri light transmittance <br/> Ah at 30 to 48%, and the resin layer, the resin forming the resin layer compactors
The refractive index of the cured product of the wound n is 1.56 to 1.55.
Fiber reinforced resin unit plate, characterized in der Rukoto that the resin compound laminated.
線透過率〔Ｙ〕との関係において、〔Ｙ〕≧５０−３．
４〔Ｘ〕（相関係数ｒ＝−０．９８６）であることを特
徴とする請求項１記載の繊維強化樹脂製単位板。2. The resin layer has a relationship of a thickness [X] (mm) and a light transmittance [Y], [Y] ≧ 50-3.
4 [X] (correlation coefficient r = −0.986), The fiber-reinforced resin unit plate according to claim 1, wherein
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30414596A JP3497334B2 (en) | 1996-10-31 | 1996-10-31 | Unit plate made of fiber reinforced resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30414596A JP3497334B2 (en) | 1996-10-31 | 1996-10-31 | Unit plate made of fiber reinforced resin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10128911A JPH10128911A (en) | 1998-05-19 |
| JP3497334B2 true JP3497334B2 (en) | 2004-02-16 |
Family
ID=17929598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30414596A Expired - Fee Related JP3497334B2 (en) | 1996-10-31 | 1996-10-31 | Unit plate made of fiber reinforced resin |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3497334B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2818010B1 (en) | 2000-12-08 | 2003-09-05 | Commissariat Energie Atomique | METHOD OF MAKING A THIN LAYER INVOLVING THE INTRODUCTION OF GAS SPECIES |
| US20040147671A1 (en) | 2002-05-15 | 2004-07-29 | Richard Milic | Decorative coating composition for solid substrates |
| CN1302911C (en) * | 2003-03-27 | 2007-03-07 | 郑光洙 | Resin ceiling and its manufacturing method |
| US7034072B2 (en) | 2003-07-22 | 2006-04-25 | E. I. Dupont De Nemours And Company | Aqueous coating composition |
| CN107415399B (en) * | 2017-07-21 | 2019-11-08 | 江苏明晶布业股份有限公司 | A kind of glass high temperature needle thorn composite felt |
-
1996
- 1996-10-31 JP JP30414596A patent/JP3497334B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH10128911A (en) | 1998-05-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2002520525A (en) | Compression molded door assembly | |
| JPH0564104B2 (en) | ||
| JP3497334B2 (en) | Unit plate made of fiber reinforced resin | |
| NO802674L (en) | PREPARED MATERIAL AND PROCEDURE IN ITS MANUFACTURING | |
| US5688602A (en) | Method for producing laminated articles | |
| JP3644608B2 (en) | Photo-curable composite material composition | |
| JP2004338965A (en) | Laminated glass | |
| JPH08258205A (en) | Fiber reinforced resin unit panel | |
| JP3294809B2 (en) | Lightweight laminate | |
| JP3208689B2 (en) | Fiber reinforced plastic preform and fiber reinforced plastic plate | |
| AU732825B2 (en) | Method for producing laminated articles | |
| JPH0872185A (en) | Unit plate made of fiber-reinforced resin | |
| JP2001115000A (en) | Unsaturated polyester resin composition, sheet molding compound, and molding made from the compound | |
| JP2004050741A (en) | Plastic molded article with double pattern and manufacturing method thereof | |
| JPH11348141A (en) | Method for repairing erected molded body, sheet, and its preparation | |
| JPH0114005B2 (en) | ||
| JP2002331523A (en) | Fiber-reinforced resin molding and its production method | |
| JP2844845B2 (en) | Synthetic resin top plate and method of manufacturing the same | |
| JP3252479B2 (en) | Manufacturing method of glass fiber reinforced plastics | |
| JPH10166486A (en) | Fiber reinforced resin molded product and its production | |
| JP3518291B2 (en) | Artificial stone | |
| JPH06293550A (en) | Artificial stone and production therefor | |
| JP3164652B2 (en) | Fiber reinforced plastic products with improved weather resistance | |
| JPS6050581B2 (en) | Resin lining method | |
| JP3524758B2 (en) | Laminated products |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |