JPH0345939Y2 - - Google Patents
Info
- Publication number
- JPH0345939Y2 JPH0345939Y2 JP1984190432U JP19043284U JPH0345939Y2 JP H0345939 Y2 JPH0345939 Y2 JP H0345939Y2 JP 1984190432 U JP1984190432 U JP 1984190432U JP 19043284 U JP19043284 U JP 19043284U JP H0345939 Y2 JPH0345939 Y2 JP H0345939Y2
- Authority
- JP
- Japan
- Prior art keywords
- film
- frp
- frp layer
- ultraviolet
- sheet
- 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
Links
- 239000004925 Acrylic resin Substances 0.000 claims description 9
- 229920000178 Acrylic resin Polymers 0.000 claims description 9
- 239000003365 glass fiber Substances 0.000 claims description 8
- 229920006337 unsaturated polyester resin Polymers 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 238000002834 transmittance Methods 0.000 claims description 2
- 238000001723 curing Methods 0.000 description 10
- 238000000465 moulding Methods 0.000 description 7
- 239000004372 Polyvinyl alcohol Substances 0.000 description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000003085 diluting agent Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 238000007666 vacuum forming Methods 0.000 description 2
- 229920000298 Cellophane Polymers 0.000 description 1
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000003504 photosensitizing agent Substances 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
Landscapes
- Reinforced Plastic Materials (AREA)
- Laminated Bodies (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は、所望形状に成型したまま紫外線を照
射して硬化させることによつて、ガラス繊維入り
不飽和ポリエステル樹脂成型品を効率良く得るこ
とができる紫外線硬化型のFRPシートに関する。[Detailed description of the invention] (Industrial application field) The present invention efficiently obtains glass fiber-containing unsaturated polyester resin molded products by irradiating and curing ultraviolet rays while molded into a desired shape. Regarding UV-curable FRP sheets.
（従来の技術）
近時、新しいタイプの成型用材料として、紫外
線照射によつて硬化し得る未硬化のガラス繊維入
り不飽和ポリエステル樹脂層（以下、FRP層と
記す）の両面を二枚の無色透明なポリビニルアル
コール樹脂フイルム（以下、PVAフイルムと記
す）で被覆して成る紫外線硬化型のFRPシート
が開発された。(Prior art) Recently, as a new type of molding material, two colorless sheets are used to cover both sides of an uncured glass fiber-containing unsaturated polyester resin layer (hereinafter referred to as FRP layer) that can be cured by ultraviolet irradiation. A UV-curable FRP sheet coated with a transparent polyvinyl alcohol resin film (hereinafter referred to as PVA film) has been developed.
このシートは、例えば真空成型機等を用いて所
望形状に成型し、そのままの状態で紫外線を照射
すると、FRP層が速やかに硬化して目的とする
成型品を得ることができる便利なものであるが、
次のような問題があつた。 This sheet is convenient because it can be molded into a desired shape using a vacuum forming machine, for example, and then irradiated with ultraviolet rays in that state, the FRP layer will quickly harden and the desired molded product can be obtained. but,
I had the following problem.
（考案が解決しようとする問題点）
即ち、かかる紫外線硬化型のFRPシートを紫
外線照射により硬化させると、FRP層に対する
PVAフイルムの剥離性が大幅に増大し、該PVA
フイルムが簡単に剥離するようになる。この
PVAフイルムは、もともと、FRP層のベトツキ
をなくして取扱いを容易にする目的で設けられた
もので、通常は硬化後にFRP層より剥離除去さ
れるものであるから、上記のように剥離性の大き
い方が良いのであるが、このようにPVAフイル
ムの剥離によつてFRP層が露出すると、耐候性
に劣る該FRP層が日光照射等によつて黄変し、
やがてはFRP層の表面にガラス繊維が出てくる
ようになる。従つて、この紫外線硬化型のFRP
シートを用いて、例えば雨樋等の家屋外装品を製
造しても、耐候性が悪く短期間で劣化するという
問題がある。(Problem to be solved by the invention) That is, when such an ultraviolet curable FRP sheet is cured by ultraviolet irradiation, the FRP layer
The peelability of PVA film is greatly increased, and the PVA
The film will peel off easily. this
PVA film was originally created to make the FRP layer less sticky and easier to handle, and since it is usually peeled off from the FRP layer after curing, it has a high peelability as described above. However, if the FRP layer is exposed by peeling off the PVA film, the FRP layer, which has poor weather resistance, will turn yellow due to exposure to sunlight, etc.
Eventually, glass fibers will appear on the surface of the FRP layer. Therefore, this UV-curable FRP
Even if the sheet is used to manufacture outdoor equipment such as rain gutters, there is a problem that the sheet has poor weather resistance and deteriorates in a short period of time.
また、特開昭56−139535号公報には、不飽和ポ
リエステル樹脂又はビニルエステル樹脂、光増感
剤および硬化触媒を含有させ、繊維補強材ととも
にフイルム間にシート状に一体化し、紫外線を照
射してプリプレグ化させた手積み成形用プリプレ
グ材料が記載されているが、この材料は加熱硬化
前の手積みの段階でフイルムを剥離するものであ
り、このフイルム剥離性を向上させることを主目
的とするものである。従つて、このようなプリプ
レグ材料も上記のFRPシートと同様の問題があ
ることは言うまでもない。 Furthermore, in JP-A-56-139535, unsaturated polyester resin or vinyl ester resin, a photosensitizer, and a curing catalyst are integrated into a sheet between films together with a fiber reinforcing material, and ultraviolet rays are irradiated. A prepreg material for hand-laid molding that is made into a prepreg using heat-curing methods is described, but the film is peeled off during the hand-laying stage before heating and curing, and the main purpose of this material is to improve the peelability of this film. It is something to do. Therefore, it goes without saying that such prepreg materials also have the same problems as the above-mentioned FRP sheets.
本考案はかかる問題を解決することを目的とす
る。 The present invention aims to solve this problem.
（問題点を解決するための具体的手段）
そのために、本考案の紫外線硬化型のFRPシ
ートは、FRP層、即ち紫外線照射によつて硬化
し得る未硬化のガラス繊維入り不飽和ポリエステ
ル樹脂層の両面を二枚のフイルムで覆つたシート
であつて、すくなくとも一方のフイルムが紫外線
透過性を有し且つ上記FRP層の硬化時に上記
FRP層と接着するアクリル樹脂装フイルムであ
る構成としたものである。(Specific means for solving the problem) For this purpose, the ultraviolet curable FRP sheet of the present invention has an FRP layer, that is, an uncured glass fiber-containing unsaturated polyester resin layer that can be cured by ultraviolet irradiation. A sheet whose both sides are covered with two films, at least one of which is transparent to ultraviolet rays, and when the above-mentioned FRP layer is cured, the above-mentioned
The structure is an acrylic resin-covered film that adheres to the FRP layer.
（作用及び効果）
かかる構成の紫外線硬化型のFRPシートとす
れば、少なくとも一方のアクリル樹脂フイルムが
紫外線透過性を有するので、所望形状に成型した
まま該フイルムを通して紫外線をFRP層に照射
することによつて、従来の紫外線硬化型のシート
と同様にFRP層を速やかに硬化させることがで
き、しかも該フイルムはFRP層と接着するので、
硬化後剥離することなく該FRP層を保護するこ
とになる。従つて、上記の如き接着可能なフイル
ムが外面となるように本考案シートを成型し、硬
化させれば、外面が該フイルムで保護された耐候
性の良い成型品を得ることができ、特に、FRP
層の両面を覆う双方のフイルムが上記の如き接着
可能なアクリル樹脂フイルムである場合は、成型
品の耐久性が大幅に向上するようになる。(Functions and Effects) When using an ultraviolet curable FRP sheet with such a configuration, at least one of the acrylic resin films has ultraviolet transparency, so ultraviolet rays can be irradiated onto the FRP layer through the film while being molded into a desired shape. Therefore, the FRP layer can be cured quickly in the same way as conventional ultraviolet curable sheets, and since the film adheres to the FRP layer,
The FRP layer is protected without peeling after curing. Therefore, by molding the sheet of the present invention so that the adhesive film as described above forms the outer surface and curing it, it is possible to obtain a molded product having good weather resistance and having the outer surface protected by the film. FRP
When both films covering both sides of the layer are adhesive acrylic resin films as described above, the durability of the molded product is greatly improved.
以下、実施例を挙げて本考案を詳述する。 Hereinafter, the present invention will be described in detail with reference to Examples.
（実施例）
第１図は本考案の紫外線硬化型のFRPシート
の一実施例を示す端部拡大断面図で、ここに１は
未硬化のFRP層であり、このFRP層１の両面は
二枚のフイルム２，３で覆われている。(Example) Fig. 1 is an enlarged end sectional view showing an example of an ultraviolet curable FRP sheet of the present invention, in which 1 is an uncured FRP layer, and both sides of this FRP layer 1 are It is covered with two sheets of film 2 and 3.
FRP層１は不飽和ポリエステル樹脂を主成分
とし、これにガラス繊維、紫外線硬化剤（例えば
ジサルフアイド系の硬化剤）、希釈剤（例えばス
チレン）等を配合したもので、紫外線照射前の未
硬化の状態では、表面がベトベトし、また軟弱で
変形自在であるが、紫外線を照射すると紫外線硬
化剤が増感し、速やかに硬化して強靱な硬化物と
なるものである。かかるFRP層１としては、従
来の紫外線硬化型のFRPシートにおけるFRP層
と同様のものが用いられ、例えばPALAPREG
LHZ（BASF社製の紫外線硬化型のFRPシートの
商品名）におけるFRP層等が好適に採用される。 The FRP layer 1 is mainly composed of unsaturated polyester resin, which is mixed with glass fiber, an ultraviolet curing agent (e.g. disulfide curing agent), a diluent (e.g. styrene), etc. In this state, the surface is sticky, soft, and deformable, but when irradiated with ultraviolet light, the ultraviolet curing agent becomes sensitized and quickly hardens to become a tough cured product. As the FRP layer 1, the same FRP layer as in conventional ultraviolet curable FRP sheets is used, such as PALAPREG.
An FRP layer such as LHZ (trade name of UV-curable FRP sheet manufactured by BASF) is suitably used.
このFRP層１の両面を覆う二枚のフイルムの
うち一方のフイルム２は、紫外線透過性を有し且
つFRP層１の硬化時に特に強く該FRP層１と接
着し得る耐候性に優れたアクリル樹脂フイルムで
あり、このフイルム２はFRP層１の粘着性（ベ
トツキ）を利用して剥離自在に該FRP層１の片
面に付着されている。かかるアクリル樹脂フイル
ム２は無色透明のものが望ましいが、紫外線透過
性を損なわない程度に着色したものであつてもよ
い。アクリル樹脂フイルムがFRP層１と接着す
る機構については明らかでないが、該フイルムは
FRP層に含まれる前記スチレン等の希釈剤に溶
け易いため、FRP層１表面に湧き出た希釈剤に
該フイルムに接触面が溶けてくつつき、硬化に伴
つて剥離不能に接着するものと考えられる。 One of the two films covering both sides of the FRP layer 1, the film 2, is made of an acrylic resin that is UV transparent and has excellent weather resistance and can adhere particularly strongly to the FRP layer 1 when the FRP layer 1 is cured. This film 2 is removably attached to one side of the FRP layer 1 by utilizing the stickiness of the FRP layer 1. The acrylic resin film 2 is preferably colorless and transparent, but may be colored to the extent that ultraviolet transmittance is not impaired. Although the mechanism by which the acrylic resin film adheres to the FRP layer 1 is not clear, the film
Since it is easily soluble in the diluent such as styrene contained in the FRP layer, it is thought that the diluent gushing out onto the surface of the FRP layer 1 melts the contact surface of the film and sticks to the film, causing an irremovable bond as it hardens.
もう一方のフイルム３は、FRP層１のベトツ
キをなくして取扱性を良くするために設けられた
もので、ポリ塩化ビニル樹脂フイルム、フツ素樹
脂フイルム、ポリカーボネート樹脂フイルム、ポ
リスチレン樹脂フイルム、ポリエステル樹脂フイ
ルム、セロフアンフイルムその他の従来公知の各
種合成樹脂フイルムが使用可能であり、前記のア
クリル樹脂フイルム２を使用しても良いことは言
うまでもない。 The other film 3 is provided to make the FRP layer 1 less sticky and easier to handle, and can be made of polyvinyl chloride resin film, fluororesin film, polycarbonate resin film, polystyrene resin film, polyester resin film. Various conventionally known synthetic resin films such as cellophane film and others can be used, and it goes without saying that the acrylic resin film 2 described above may also be used.
以上のような構成の紫外線硬化型のFRPシー
トは、例えば第３図に示すように、真空成型機４
等を用いてフイルム２が外面となるように所望形
状に成型し、紫外線ランプ５等で紫外線をフイル
ム２を通してFRP層１に照射して該FRP層１を
硬化させ、しかる後脱型することによつて、強靱
なガラス繊維入り不飽和ポリエステル樹脂成型品
となる。この場合、紫外線ランプとしては365〜
400nmの波長を有する紫外線を出すものが好適で
あり、その照射時間は、FRP層１の厚さが５〜
６mm以下であれば数分以内で充分である。また、
成型機としては、例示の真空成型機４の他、圧空
成型機、プレス成型機等も使用できる。 The ultraviolet curable FRP sheet with the above structure can be manufactured using a vacuum forming machine 4, as shown in Figure 3, for example.
The FRP layer 1 is molded into a desired shape using an ultraviolet lamp 5 or the like so that the film 2 becomes the outer surface, and the FRP layer 1 is cured by irradiating ultraviolet rays through the film 2 with an ultraviolet lamp 5 or the like, and then the mold is removed. This results in a tough glass fiber-containing unsaturated polyester resin molded product. In this case, the UV lamp should be 365~
A device that emits ultraviolet light with a wavelength of 400 nm is suitable, and the irradiation time is such that the thickness of the FRP layer 1 is 5 to 50 nm.
If the diameter is 6 mm or less, a few minutes is sufficient. Also,
As the molding machine, in addition to the illustrated vacuum molding machine 4, a pressure molding machine, a press molding machine, etc. can also be used.
かくして得られた成型品は、必要に応じて内面
のフイルム３が剥離除去されるが、外面はFRP
層１に剥離不能に接着したアクリル樹脂フイルム
２で覆われて保護されているので、従来の紫外線
硬化型のFRPシートから得られた成型品のよう
に露出したFRP層が黄変したり、ガラス繊維が
表面に出てきたりすることがなく、耐候性が向上
する。特に、硬化時に強く接着するフイルム２に
よつてFRP層１の両面を覆つた場合は、成型品
の内外面が該２フイルムで保護されるため、耐久
性が大幅に向上し、その優れた耐候性によつて極
めて劣化しにくい長寿命の成型品が得られる。ま
た、このように成型品の外面又は内外両面がフイ
ルム２で覆われていると、この成型品と他の合成
樹脂製の部品等との接着を容易に行える利点もあ
る。加えて、既述のように着色したフイルム２を
使用する場合は、成型品にあらためて着色する手
間を省くことができる利点もある。 The film 3 on the inner surface of the thus obtained molded product is peeled off and removed as necessary, but the outer surface is made of FRP.
Since it is protected by being covered with an acrylic resin film 2 that is non-peelably adhered to layer 1, the exposed FRP layer will not yellow like in molded products obtained from conventional UV-curable FRP sheets, and the glass Fibers do not come out to the surface, improving weather resistance. In particular, when both sides of the FRP layer 1 are covered with the film 2, which strongly adheres when cured, the inner and outer surfaces of the molded product are protected by the two films, resulting in greatly improved durability and excellent weather resistance. A molded product with a long life that is extremely resistant to deterioration due to its properties can be obtained. Further, when the outer surface or both the inner and outer surfaces of the molded product are covered with the film 2 in this way, there is an advantage that this molded product can be easily bonded to other parts made of synthetic resin. In addition, when using the colored film 2 as described above, there is an advantage that it is possible to save the effort of coloring the molded product again.
第２図は本考案の他の一実施例を示す拡大部分
断面図であり、ここに例示の紫外線硬化型の
FRPシートは、一方のアクリル樹脂フイルム２
の上に更にフイルム３を剥離可能に貼着したもの
である。 FIG. 2 is an enlarged partial cross-sectional view showing another embodiment of the present invention, in which the ultraviolet curing type shown in FIG.
FRP sheet is one acrylic resin film 2
A film 3 is further removably attached thereon.
かかる構造とすると、万一フイルム２がスチレ
ン等に溶けてベトツキを生じた場合にも、フイル
ム３のために運搬等が支障なく行え、しかも成型
後に該フイルム３を剥離すれば成型品の外面がフ
イルム２にて保護されることとなる。 With this structure, even if the film 2 melts into styrene or the like and becomes sticky, the film 3 can be transported without any problem, and if the film 3 is peeled off after molding, the outer surface of the molded product can be easily removed. It will be protected by film 2.
尚、上記各実施例の成型品にウレタン−アクリ
ル系等の塗料を塗布し、成型品を半透明ないし不
透明とすることもできる。 It is also possible to apply a urethane-acrylic paint or the like to the molded product of each of the above embodiments to make the molded product translucent or opaque.
第１図は本考案FRPシートの一実施例を示す
端部拡大断面図、第２図は本考案FRPシートの
他の一実施例を示す部分拡大断面図、第３図は本
考案FRPシートの一使用例の説明図である。
１……FRP層、２，３……フイルム。
Figure 1 is an enlarged end sectional view showing one embodiment of the FRP sheet of the present invention, Figure 2 is a partially enlarged sectional view of another embodiment of the FRP sheet of the present invention, and Figure 3 is an enlarged sectional view of the FRP sheet of the present invention. It is an explanatory view of one usage example. 1...FRP layer, 2, 3...film.
Claims (1)
繊維入り不飽和ポリエステル樹脂層の両面を二枚
のフイルムで覆つたシートであつて、すくなくと
も一方のフイルムが紫外線透過性を有し且つ上記
樹脂層の硬化時に上記樹脂層と接着するアクリル
樹脂フイルムであることを特徴とする、紫外線硬
化型のFRPシート。 A sheet in which both sides of an uncured glass fiber-containing unsaturated polyester resin layer that can be cured by ultraviolet irradiation are covered with two films, at least one of the films has ultraviolet transmittance and the resin layer An ultraviolet curable FRP sheet characterized by being an acrylic resin film that adheres to the resin layer upon curing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984190432U JPH0345939Y2 (en) | 1984-12-15 | 1984-12-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984190432U JPH0345939Y2 (en) | 1984-12-15 | 1984-12-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61108331U JPS61108331U (en) | 1986-07-09 |
| JPH0345939Y2 true JPH0345939Y2 (en) | 1991-09-27 |
Family
ID=30747884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984190432U Expired JPH0345939Y2 (en) | 1984-12-15 | 1984-12-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0345939Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0745218B2 (en) * | 1986-08-05 | 1995-05-17 | タキロン株式会社 | Uncured resin tube |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5645925A (en) * | 1979-09-11 | 1981-04-25 | Scott Bader Co | Impregnating material* its manufacture and usage |
| JPS56139535A (en) * | 1980-04-02 | 1981-10-31 | Hitachi Chem Co Ltd | Prepreg material for hand lay-up molding |
-
1984
- 1984-12-15 JP JP1984190432U patent/JPH0345939Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5645925A (en) * | 1979-09-11 | 1981-04-25 | Scott Bader Co | Impregnating material* its manufacture and usage |
| JPS56139535A (en) * | 1980-04-02 | 1981-10-31 | Hitachi Chem Co Ltd | Prepreg material for hand lay-up molding |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61108331U (en) | 1986-07-09 |
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