JPS6134125Y2 - - Google Patents
Info
- Publication number
- JPS6134125Y2 JPS6134125Y2 JP11602181U JP11602181U JPS6134125Y2 JP S6134125 Y2 JPS6134125 Y2 JP S6134125Y2 JP 11602181 U JP11602181 U JP 11602181U JP 11602181 U JP11602181 U JP 11602181U JP S6134125 Y2 JPS6134125 Y2 JP S6134125Y2
- Authority
- JP
- Japan
- Prior art keywords
- synthetic resin
- sheet
- corrugated
- nonwoven fabric
- heat
- 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
- 229920003002 synthetic resin Polymers 0.000 claims description 24
- 239000000057 synthetic resin Substances 0.000 claims description 24
- 239000004745 nonwoven fabric Substances 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 8
- 229920001169 thermoplastic Polymers 0.000 claims description 4
- 239000004416 thermosoftening plastic Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 12
- 239000003365 glass fiber Substances 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 229920002978 Vinylon Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Description
【考案の詳細な説明】
本考案は新規かつ改良された合成樹脂製波板の
構造に関するものである。[Detailed Description of the Invention] The present invention relates to a new and improved structure of a corrugated synthetic resin plate.
近年、合成樹脂製波板として、合成樹脂シート
の中間部にガラス繊維からなる補強層を介在させ
てなるものが知られており、これはガラス繊維を
挾んで熱可塑性合成樹脂シートを積層強化するこ
とにより従来の波板において問題とされていた曲
げ強度並びに剛性などの物的特性の向上を図つた
ものである。しかしながら、この種波板はこのよ
うに高い物的特性を有するために振動、衝撃に対
して弱く、しばしば施工時および切断時にひび割
れを生じたり、またシート表面に集中的に応力が
加えられたりすると細かな亀裂を生じたりして、
雨水などの浸入を許す結果となり、そのために積
層シート間に剥離現象を招いたり、またガラス繊
維が加水分解により変色して、耐久性に劣るばか
りか、本来目的とする光の通過を妨げ、しかもそ
の製造時にガラス繊維の浮遊飛散があり作業環境
が悪化するという不利、欠点があつた。 In recent years, synthetic resin corrugated sheets have been known that are made by interposing a reinforcing layer made of glass fibers in the middle of a synthetic resin sheet, and this strengthens the lamination of thermoplastic synthetic resin sheets by sandwiching the glass fibers. As a result, physical properties such as bending strength and rigidity, which had been problematic in conventional corrugated sheets, were improved. However, because this type of corrugated sheet has such high physical properties, it is vulnerable to vibrations and shocks, and often cracks occur during construction and cutting, and when stress is applied intensively to the sheet surface. May cause small cracks,
This results in the infiltration of rainwater, which causes delamination between the laminated sheets, and the glass fibers change color due to hydrolysis, which not only deteriorates durability but also prevents light from passing through, which is the original purpose. The disadvantage was that during manufacturing, glass fibers were scattered and the working environment deteriorated.
本考案は上記した従来の波板における不利、欠
点を解消することのできる新規かつ改良された合
成樹脂製波板に関するものであつて、これは繊維
太さが10〜20デニールであり、しかも重さが10〜
30g／m2である不織布の両面に、熱可塑性合成樹
脂シートを熱圧一体化してなるものである。 The present invention relates to a new and improved synthetic resin corrugated sheet that can eliminate the disadvantages and shortcomings of the conventional corrugated sheet described above, and which has a fiber thickness of 10 to 20 deniers and is heavy. Saga 10～
It is made by heat-pressing a thermoplastic synthetic resin sheet on both sides of a 30g/m 2 nonwoven fabric.
以下、添付図面に基づいて本考案を詳しく説明
すると、第１図は本考案の合成樹脂製波板の斜視
図であり、第２図はその拡大断面図であつて、こ
のものは、図面から明らかなように不織布１の両
面に合成樹脂シート２，２を熱圧一体化し、３層
構造としてなるものである。 Hereinafter, the present invention will be explained in detail based on the attached drawings. Fig. 1 is a perspective view of the synthetic resin corrugated plate of the invention, and Fig. 2 is an enlarged sectional view thereof, which is different from the drawing. As is clear, synthetic resin sheets 2, 2 are integrated with heat and pressure on both sides of a nonwoven fabric 1, resulting in a three-layer structure.
本考案に使用する不織布１は、綿、レーヨン、
ビニロン、ポリプロピレンなどからなる天然繊
維、人造繊維、合成繊維あるいはこれらの２種以
上を混合してなるものを素材としてなるものであ
り、かかる素材はその太さが10〜20デニール、重
さが10〜30g／m2の範囲内で選定され、光の通過
を妨げないように疎に機械的方法あるいは接着
剤、バインダーなどの化学的方法により、からみ
合わされ使用されるものである。 The nonwoven fabric 1 used in this invention is cotton, rayon,
It is made of natural fibers such as vinylon, polypropylene, artificial fibers, synthetic fibers, or a mixture of two or more of these, and such materials have a thickness of 10 to 20 deniers and a weight of 10 to 20 deniers. They are selected within the range of ~30 g/m 2 and are loosely intertwined using mechanical methods or chemical methods such as adhesives and binders so as not to obstruct the passage of light.
一方、繊維長さについては特に限定されるもの
ではなく、これは合成樹脂シート２との熱圧一体
化時に偏伸したり、また破断することのないよう
にほぼ15mm前後の値とされる。 On the other hand, the fiber length is not particularly limited, and is set to approximately 15 mm to prevent uneven stretching or breakage during heat-pressure integration with the synthetic resin sheet 2.
しかして、上記不織布１の繊維太さ並びにその
重さを上記数値の範囲に限定した理由は、まず、
繊維太さについては、これが10デニール以下では
引張抵抗度が小さくなり、シート２との熱圧一体
化時において破断の原因になるばかりでなく、補
強効果に劣り、また20デニール以上では引張抵抗
度並びに補強効果は増大するが、繊維同志の重な
り部分とか、合成樹脂シートとの間に間隙が生じ
て雨水等の浸入を招く結果となるためである。一
方その重さについてはこれが10g／m2以下では不
織布の厚みが薄くなつて引張強度、引裂強度など
の機械的物性が低くなり、所望の補強効果が得ら
れず、また30g／m2以上ではその機械的物性は向
上するが、反面目的とする光の散乱機能、すなわ
ちぼかし効果が低下するためである。 Therefore, the reason why the fiber thickness and weight of the nonwoven fabric 1 are limited to the above numerical range is as follows:
Regarding the fiber thickness, if the fiber thickness is less than 10 denier, the tensile resistance will be small, which will not only cause breakage when integrated with the sheet 2 by heat pressure, but also have poor reinforcing effect, and if it is more than 20 denier, the tensile resistance will be low. In addition, although the reinforcing effect is increased, gaps are created between the overlapping portions of fibers and the synthetic resin sheet, resulting in the infiltration of rainwater and the like. On the other hand, if the weight is less than 10g/ m2 , the thickness of the nonwoven fabric becomes thinner and its mechanical properties such as tensile strength and tear strength become low, and the desired reinforcing effect cannot be obtained, and if it is more than 30g/m2, This is because although the mechanical properties are improved, the desired light scattering function, ie, the blurring effect, is reduced.
なお、本考案に用いられる上記不織布１に印刷
ないしは着色を一色もしくは多色に施こすとか、
部分的に施こすことは任意であり、さらに使用目
的に応じて螢光塗料などを使用してもよいことは
もちろんである。このように不織布を着色したも
のにあつては合成樹脂シートとして無着色のもの
を用いたとしても本考案になる波板は全体として
着色されたごとく認識されるものである。 Note that the nonwoven fabric 1 used in the present invention may be printed or colored in one color or in multiple colors,
It is optional to apply it partially, and it goes without saying that fluorescent paint or the like may also be used depending on the purpose of use. In the case of colored nonwoven fabrics, even if an uncolored synthetic resin sheet is used, the corrugated sheet of the present invention will be recognized as being colored as a whole.
本考案における熱可塑性合成樹脂シート２とし
ては従来公知の押出成形法あるいはカレンダ成形
法などによつて得られる種々のシートを使用する
ことができ、これにはたとえばポリ塩化ビニル、
ポリメチルメタアクリレート、ポリカーボネート
などの熱可塑性樹脂材料を挙げることができる
が、これらのうち特に熱溶着性の観点から塩化ビ
ニル樹脂が望ましく、要すれば太陽光線にさらさ
れる場所に使用するものにあつては、その表面に
紫外線吸収剤層を設けることが好ましい。 As the thermoplastic synthetic resin sheet 2 in the present invention, various sheets obtained by conventionally known extrusion molding methods or calender molding methods can be used, such as polyvinyl chloride,
Thermoplastic resin materials such as polymethyl methacrylate and polycarbonate can be mentioned, but among these, vinyl chloride resin is particularly desirable from the viewpoint of thermal weldability, and if necessary, for use in places exposed to sunlight. In this case, it is preferable to provide an ultraviolet absorber layer on the surface.
なお、該合成樹脂シート上に紫外線吸収剤層を
設ける方法としては、合成樹脂シートと同種の材
料中に紫外線吸収剤を適当量、具体的には５重量
部含有させて厚さ数十μｍ〜数mmのフイルムない
しシートとなし、これを合成樹脂シートの表面に
熱溶着し一体化する方法、あるいは成形時のいま
だ半溶融状態にある合成樹脂シートの表面に液状
の紫外線吸収剤（常温で固体のものは加熱溶融し
て液状にしたもの）を塗布する方法などが挙げら
れる。 The method of providing the ultraviolet absorber layer on the synthetic resin sheet is to include an appropriate amount of ultraviolet absorber, specifically 5 parts by weight, in the same material as the synthetic resin sheet, and to form a layer with a thickness of several tens of μm to A method of forming a film or sheet several mm thick and heat-welding it to the surface of a synthetic resin sheet to integrate it, or a method of applying a liquid ultraviolet absorber (solid at room temperature) to the surface of a synthetic resin sheet that is still in a semi-molten state at the time of molding. Examples include a method of applying a liquid (heated and melted to a liquid state).
本考案における合成樹脂製波板を製作するに当
つては、たとえば連続ロールプレス法、押出ラミ
ネート法などの種々の方法を採用して２枚の合成
樹脂シート２，２間に不織布１を送給してこれを
熱圧一体化し、ついで従来公知の波形盤による引
き抜き法、波形ロールによる成形法により波付加
工を施こせばよい。 In producing the synthetic resin corrugated sheet of the present invention, various methods such as a continuous roll press method and an extrusion lamination method are adopted to feed the nonwoven fabric 1 between two synthetic resin sheets 2, 2. This may be integrated under heat and pressure, and then corrugated by a conventionally known drawing method using a corrugated plate or forming method using a corrugated roll.
以上説明した通り、本考案の合成樹脂製波板は
基本的には、不織布の両面に合成樹脂シートを上
下に熱圧一体化した積層構造を採るものである
が、該不織布の素材となる繊維の太さおよび不織
布の重さを特定することによつて、引張強度、曲
げ強度などの機械的特性の向上を図るこができる
のであり、しかも長期の使用に際して本来この種
波板に要求される光通過性を何ら低下させるよう
なことなく初期の効果を維持できるので、その実
用的価値はすこぶる大きい。 As explained above, the synthetic resin corrugated plate of the present invention basically has a laminated structure in which synthetic resin sheets are integrated on both sides of a non-woven fabric by heat and pressure. By specifying the thickness of the nonwoven fabric and the weight of the nonwoven fabric, it is possible to improve mechanical properties such as tensile strength and bending strength, which are originally required for this type of corrugated sheet for long-term use. Since the initial effect can be maintained without any reduction in light transmittance, its practical value is extremely great.
第１図は本考案になる合成樹脂製波板の代表的
一実施例を示す斜視図であり、第２図はその拡大
断面図である。
４……不織布、２……合成樹脂シート。
FIG. 1 is a perspective view showing a typical embodiment of the synthetic resin corrugated plate according to the present invention, and FIG. 2 is an enlarged sectional view thereof. 4...Nonwoven fabric, 2...Synthetic resin sheet.
Claims (1)
が10〜30g／m2である不織布の両面に、熱可塑性
合成樹脂シートを熱圧一体化してなる合成樹脂製
波板。 A synthetic resin corrugated sheet made by heat-pressing and integrating thermoplastic synthetic resin sheets on both sides of a non-woven fabric with a fiber thickness of 10 to 20 deniers and a weight of 10 to 30 g/ m2 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11602181U JPS5821438U (en) | 1981-08-04 | 1981-08-04 | Synthetic resin corrugated plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11602181U JPS5821438U (en) | 1981-08-04 | 1981-08-04 | Synthetic resin corrugated plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5821438U JPS5821438U (en) | 1983-02-09 |
| JPS6134125Y2 true JPS6134125Y2 (en) | 1986-10-04 |
Family
ID=29910267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11602181U Granted JPS5821438U (en) | 1981-08-04 | 1981-08-04 | Synthetic resin corrugated plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5821438U (en) |
-
1981
- 1981-08-04 JP JP11602181U patent/JPS5821438U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5821438U (en) | 1983-02-09 |
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