JPS6334807B2 - - Google Patents
Info
- Publication number
- JPS6334807B2 JPS6334807B2 JP54146794A JP14679479A JPS6334807B2 JP S6334807 B2 JPS6334807 B2 JP S6334807B2 JP 54146794 A JP54146794 A JP 54146794A JP 14679479 A JP14679479 A JP 14679479A JP S6334807 B2 JPS6334807 B2 JP S6334807B2
- Authority
- JP
- Japan
- Prior art keywords
- resin liquid
- endless belt
- curable
- liquid
- synthetic material
- 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
- 239000007788 liquid Substances 0.000 claims description 56
- 229920005989 resin Polymers 0.000 claims description 53
- 239000011347 resin Substances 0.000 claims description 53
- 239000011521 glass Substances 0.000 claims description 19
- 238000000465 moulding Methods 0.000 claims description 19
- 229920002994 synthetic fiber Polymers 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 239000012779 reinforcing material Substances 0.000 claims description 10
- 239000006260 foam Substances 0.000 claims description 7
- 238000005187 foaming Methods 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims 2
- 238000005452 bending Methods 0.000 description 8
- 239000002657 fibrous material Substances 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000011162 core material Substances 0.000 description 2
- 239000012975 dibutyltin dilaurate Substances 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229920006311 Urethane elastomer Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- AFYPFACVUDMOHA-UHFFFAOYSA-N chlorotrifluoromethane Chemical compound FC(F)(F)Cl AFYPFACVUDMOHA-UHFFFAOYSA-N 0.000 description 1
- 239000012611 container material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002345 surface coating layer Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Description
【発明の詳細な説明】
本発明は軽量な板状合成材料の製造方法に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing lightweight synthetic plate-like materials.
従来、軽量な合成材料としてガラス繊維、ハニ
カム材等で補強せられたポリウレタン、ポリエス
テル等の合成樹脂発泡体が知られている。 Conventionally, synthetic resin foams such as polyurethane and polyester reinforced with glass fibers, honeycomb materials, etc. have been known as lightweight synthetic materials.
このような補強発泡体は曲げ強度が大きく、耐
水性、耐薬品性、断熱性等がすぐれているが、表
面強度が小さいので傷つきやすく衝撃によりへこ
みやひび割れが生じやすく、又滑りやすいという
欠点を有しており構造材としては不適当であつ
た。 This type of reinforced foam has high bending strength, and has excellent water resistance, chemical resistance, and heat insulation properties, but it has low surface strength, so it is easily damaged, easily dented or cracked by impact, and has the disadvantage of being slippery. Therefore, it was unsuitable as a structural material.
本発明は上記の如き従来の合成材料の欠点にか
んがみ、曲げ強度、曲げ弾性率が大きく、耐水
性、耐薬品性、断熱性にすぐれ、かつ耐衝撃性、
耐摩耗性にすぐれた滑りにくい軽量の板状合成材
料を製造することのできる方法を提供することを
目的としてなされたものであり、その要旨は入口
及び出口を有し、通路内の少なくとも上面及び下
面がエンドレスベルトにより構成された成形用通
路の下面を構成するエンドレスベルトに沿つて補
強材を供給し、該補強材に上記成形用通路の入口
の手前において始め液状であつて短時間で発泡し
硬化する発泡硬化性樹脂液を供給すると共に、上
記エンドレスベルト表面に始め液状であつて短時
間で硬化し、上記発泡硬化性樹脂液と同一樹脂か
らなる軟質又は半硬質の硬化性ゴム状硬性樹脂液
を塗布して前記成形用通路を通過せしめ、成形用
通路内で上記発泡硬化性樹脂液及び硬化性ゴム状
弾性樹脂液を硬化せしめることを特徴とする軽量
板状合成材料の製造方法に存する。 In view of the above-mentioned drawbacks of conventional synthetic materials, the present invention has high bending strength and bending modulus, excellent water resistance, chemical resistance, heat insulation properties, and impact resistance.
The purpose of this invention is to provide a method for manufacturing a light-weight, non-slip, plate-like synthetic material with excellent abrasion resistance. A reinforcing material is supplied along the endless belt constituting the lower surface of the molding passage whose lower surface is constituted by an endless belt, and the reinforcing material is initially in a liquid state and foams in a short time before the entrance of the molding passage. In addition to supplying a foamed curable resin liquid to be cured, a soft or semi-hard curable rubber-like hard resin that is initially liquid and hardens in a short time and is made of the same resin as the foamed curable resin liquid is applied to the surface of the endless belt. A method for producing a lightweight plate-like synthetic material, characterized by applying a liquid and allowing the liquid to pass through the molding passage, and curing the foamed curable resin liquid and the curable rubber-like elastic resin liquid within the molding passage. .
本発明に用いられる成形用通路は入口及び出口
を有し、その断面形状が板状になる様に周囲が壁
面でとり囲まれて形成された通路であり、そし
て、該通路のうちの少くとも上面及び下面がエン
ドレスベルトにより構成されている。下面を構成
するエンドレスベルトは入口より先方に張り出し
て設けられたものが好ましく、この張り出し部に
ガラス繊維、ハニカム材等の補強材がのせられ、
該通路に送り込まれるのが便利である。該通路内
で発泡硬化性樹脂液及び硬化性ゴム状弾性樹脂液
の発泡及び硬化が行われるので、該通路には上記
樹脂液の発泡や硬化を促進するための加熱装置や
さらには発泡硬化後すみやかに冷却させるための
冷却装置が設けられてもよい。 The molding passage used in the present invention has an inlet and an outlet, and is surrounded by walls so that its cross-sectional shape is plate-shaped, and at least one of the passages has an inlet and an outlet. The upper and lower surfaces are made up of endless belts. The endless belt constituting the lower surface is preferably provided so as to overhang ahead of the entrance, and a reinforcing material such as glass fiber or honeycomb material is placed on this overhang.
Conveniently, it is fed into said passage. Foaming and curing of the foamed curable resin liquid and curable rubber-like elastic resin liquid takes place in the passage, so the passage is equipped with a heating device for promoting foaming and curing of the resin liquid, and furthermore, a heating device for promoting the foaming and curing of the resin liquid, and a heating device for promoting the foaming and curing of the resin liquid. A cooling device may be provided for rapid cooling.
本発明に用いられる補強材は、得られた板状合
成材料を補強する効果を有するものであつて、た
とえば繊維材料、ハニカム材等が好適に使用され
る。 The reinforcing material used in the present invention has the effect of reinforcing the obtained plate-shaped synthetic material, and for example, fiber materials, honeycomb materials, etc. are preferably used.
上記繊維材料としては、たとえばガラス繊維、
天然繊維、合成繊維等があげられ、ガラスロービ
ング、ガラスロービングクロス、ガラスマツト、
ガラスペーパー、コンテイニユアスストランドマ
ツト、チヨツプドストランドマツトの如きガラス
繊維製のものが好適であり特にガラスロービング
が好適に使用される。そして上記繊維材料は単独
で使用されてもよいし、二層以上積層して使用さ
れてもよい。 Examples of the above-mentioned fiber materials include glass fiber,
Natural fibers, synthetic fibers, etc. include glass roving, glass roving cloth, glass pine,
Those made of glass fiber such as glass paper, continuous strand mat, and chopped strand mat are suitable, and glass roving is particularly preferably used. The above-mentioned fiber materials may be used alone or in a stack of two or more layers.
又上記ハニカム材料としては、板状のものであ
ればその素材の種類やハニカム構造の形状は特に
制限されるものではなく、従来においてサンドイ
ツチ構造材の素材として使用されているハニカム
芯材が使用出来、例えばペーパーハニカム、樹脂
含浸ペーパーハニカム、プラスチツクハニカム、
アスベストハニカム、アルミニウム箔ハニカム等
が好適に使用出来る。かかるハニカム材料は単独
で使用されてもよいが、上下面に繊維材料層を積
層して使用すると曲げ強度や表面強度のすぐれた
ものが得られるので好ましい。 Further, as the honeycomb material mentioned above, there are no particular restrictions on the type of the material or the shape of the honeycomb structure as long as it is in the form of a plate, and the honeycomb core material conventionally used as a material for sanderch structure materials can be used. , such as paper honeycomb, resin-impregnated paper honeycomb, plastic honeycomb,
Asbestos honeycomb, aluminum foil honeycomb, etc. can be suitably used. Although such a honeycomb material may be used alone, it is preferable to use it with fiber material layers laminated on the upper and lower surfaces, since excellent bending strength and surface strength can be obtained.
又、本発明に用いられる発泡硬化性樹脂液とは
短時間で発泡し硬化することの出来る合成樹脂液
を指し、例えばポリウレタンや不飽和ポリエステ
ルなどの樹脂液が、発泡性及び硬化性が付与され
て使用出来る。そして、こられ樹脂液のうち硬質
ポリウレタンがとくに好適である。 Furthermore, the foaming curable resin liquid used in the present invention refers to a synthetic resin liquid that can be foamed and cured in a short time. It can be used. Among these resin liquids, hard polyurethane is particularly suitable.
なお、本発明に用いられる発泡硬化性樹脂液に
は、圧縮強度をさらに向上させたり、低コスト化
を計る目的で炭酸カルシウム、タルク、水酸化ア
ルミニウムなどの無機充填剤やシラスバルーン、
パーライト、ガラスバルーンなどの軽量骨材、さ
らには硅砂などの骨材、ガラス短繊維等が混入さ
れていてもよい。 The foamed curable resin liquid used in the present invention may contain inorganic fillers such as calcium carbonate, talc, and aluminum hydroxide, as well as shirasu balloons, in order to further improve compressive strength and reduce costs.
Light aggregates such as perlite and glass balloons, aggregates such as silica sand, short glass fibers, etc. may be mixed.
又、本発明に用いられる硬化性ゴム状弾性樹脂
液とは、始め液状であつて、短時間で硬化し、前
記した発泡硬化性樹脂液と同一樹脂からなる軟質
又は半硬質の合成樹脂液を指し、例えば軟質又は
半硬質のポリウレタンやポリエステルなどの樹脂
液が硬化性を付与されて使用できる。そしてこれ
ら樹脂液のうち軟質又は半硬質のポリウレタンが
好適に使用される。なお、該樹脂液が硬化されて
形成されるゴム状弾性体層も前記補強材によつて
補強されてもよい。 Furthermore, the curable rubber-like elastic resin liquid used in the present invention is initially liquid, hardens in a short time, and is a soft or semi-hard synthetic resin liquid made of the same resin as the foamed curable resin liquid. For example, a resin liquid such as soft or semi-hard polyurethane or polyester can be used after being imparted with curability. Among these resin liquids, soft or semi-hard polyurethane is preferably used. Note that the rubber-like elastic layer formed by curing the resin liquid may also be reinforced with the reinforcing material.
以下本発明について図面を参照しながら説明す
る。 The present invention will be described below with reference to the drawings.
第１図は本発明の製造方法の一実施例を示す説
明図であり、図中１は成形用通路、１１は成形用
通路１の上面を構成するエンドレスベルト、１３
は同じく下面を構成するエンドレスベルト、１
２，１４はそれぞれエンドレスベルト１１，１３
のガイドロールである。又、１５は下面エンドレ
スベルト１３の両端に沿つて移動する様になされ
た側枠である。しかしてエンドレスベルト１１，
１３が回転する方向は矢印で示される方向であ
り、該エンドレスベルトが成形用通路１に入る所
が入口、出る所が出口である。そして、下面エン
ドレスベルト１３は成形用通路１の入口より張り
出して設けられ、成形材料をその上に載せるのに
便利な様にされている。又、２……は矢印で示さ
れる進行方向に引き揃えられ、多数本が横に一定
間隔で配列されたガラスロービングであり、２１
……はガラスロービングの巻取体、２２，２３は
それぞれロービングのガイドロールである。 FIG. 1 is an explanatory diagram showing an embodiment of the manufacturing method of the present invention, in which 1 is a molding passage, 11 is an endless belt constituting the upper surface of the molding passage 1, and 13 is an explanatory diagram showing an embodiment of the manufacturing method of the present invention.
is an endless belt that also forms the bottom surface, 1
2 and 14 are endless belts 11 and 13, respectively.
It is a guide role. Further, reference numeral 15 denotes side frames that are configured to move along both ends of the lower endless belt 13. However, endless belt 11,
The direction in which the endless belt 13 rotates is the direction indicated by the arrow, and the point where the endless belt enters the forming path 1 is the inlet, and the point where it exits is the outlet. The lower endless belt 13 is provided to protrude from the entrance of the molding passage 1, so that it is convenient to place the molding material thereon. In addition, 2... is a glass roving in which a large number of glass rovings are arranged horizontally at regular intervals, drawn in the direction of movement indicated by the arrow, and 21
. . . is a winding body of the glass roving, and 22 and 23 are guide rolls of the roving.
ガラスロービング２はエンドレスベルト１３に
沿つて成形用通路１に供給され、成形用通路１の
入口の手前の上方に設置された発泡硬化性樹脂液
供給装置３より発泡硬化性樹脂液が供給される。
供給装置３は一点に固定されていてもよいが、樹
脂液は全体に均一に散布されるのが好ましいの
で、供給装置３がガラスロービング２の進行方向
に対して略直角方向に往復運動するようになされ
ているのが好ましく、又供給装置３の吐出口がス
プレー状になされているのが好ましい。又、ガラ
スロービング２に樹脂液がよく含浸されるように
公知の任意の方法が採用されるのが好ましい。 The glass roving 2 is supplied to the molding passage 1 along an endless belt 13, and a foamed curable resin liquid is supplied from a foamed curable resin liquid supply device 3 installed above the entrance of the molded passage 1. .
The supply device 3 may be fixed at one point, but it is preferable that the resin liquid is uniformly distributed over the whole area, so the supply device 3 is reciprocated in a direction approximately perpendicular to the direction of movement of the glass roving 2. Preferably, the discharge port of the supply device 3 is shaped like a sprayer. Further, it is preferable to employ any known method so that the glass roving 2 is well impregnated with the resin liquid.
又、４は硬化性ゴム状弾性樹脂液供給装置であ
り、成形用通路の上面を構成するエンドレスベル
ト１１上に設置されており、エンドレスベルト１
１に層状に硬化性ゴム状弾性樹脂液を塗布できる
ようになされている。第１図においては供給装置
４はエンドレスベルト１１上だけに設置されてい
るが、エンドレスベルト１３にも該樹脂液を塗布
できるようにしてよい。この際にはガラスロービ
ング２を下面エンドレスベルト１３の張り出し部
の途中からエンドレスベルトに沿うように供給
し、下面エンドレスベルト１３の先端部で該ベル
ト１３に硬化性ゴム状弾性樹脂液を塗布するよう
にすればよい。なお上記ベルト１１が下向きにな
つた際に樹脂液が下にたれ落ちる際には、樹脂液
が下向きになるまでに一部分硬化するように設定
するのが好ましい。上述の如くして供給された発
泡硬化性樹脂液はガラスロービングと共に成形用
通路１に供給され、成形用通路１内で、発泡硬化
してガラスロービング４を埋設した発泡体とな
る。又、エンドレスベルト１１の表面に塗布され
た硬化性ゴム状弾性樹脂液は成形用通路１に供給
され、成形用通路１内で硬化してゴム状弾性体と
なる。この際発泡硬化する発泡体とゴム状弾性体
は接着される。従つてゴム状弾性体と前記発泡体
は積層されゴム状弾性体よりなる表面層を有し、
かつガラスロービングで補強された板状合成材料
５となり、成形用通路１の出口から引取装置（図
示せず）により引き取られ、定尺に切断される。 Further, 4 is a curable rubber-like elastic resin liquid supply device, which is installed on the endless belt 11 constituting the upper surface of the molding passage.
1 can be coated with a curable rubber-like elastic resin liquid in a layered manner. In FIG. 1, the supply device 4 is installed only on the endless belt 11, but the resin liquid may also be applied to the endless belt 13. At this time, the glass roving 2 is supplied from the middle of the protruding part of the lower endless belt 13 along the endless belt, and the curable rubber-like elastic resin liquid is applied to the belt 13 at the tip of the lower endless belt 13. Just do it. Note that when the resin liquid drips downward when the belt 11 is turned downward, it is preferable to set the resin liquid so that it is partially cured before turning downward. The foamed curable resin liquid supplied as described above is supplied to the molding passage 1 together with the glass roving, and is foamed and hardened in the molding passage 1 to form a foam in which the glass roving 4 is embedded. Further, the curable rubber-like elastic resin liquid applied to the surface of the endless belt 11 is supplied to the molding passage 1, where it hardens to become a rubber-like elastic body. At this time, the foamed material to be foamed and cured and the rubber-like elastic material are bonded together. Therefore, the rubber-like elastic body and the foam are laminated and have a surface layer made of the rubber-like elastic body,
A plate-shaped synthetic material 5 reinforced with glass roving is then taken out from the exit of the forming passage 1 by a take-up device (not shown) and cut into regular lengths.
本発明の製造方法は上述の通りであり、表面に
ゴム状弾性体が被覆されており、硬質合成樹脂発
泡体は補強材で補強されているので曲げ強度、曲
げ弾性率、剛性、耐水性、耐薬品性、断熱性にす
ぐれているばかりか、耐衝撃性にすぐれ、衝撃に
よりひびわれやへこみが生じにくく、かつ滑りに
くくなつており、軽量にして例えば住宅用断熱壁
材、床材、ベンチ又はベランダ用材、トラツク荷
台材、陸上又は海上コンテナー用材、FRP船舶
用芯材等に用いられて好適な板状材料を連続的に
製造することが出来るのである。 The manufacturing method of the present invention is as described above, and since the surface is coated with a rubber-like elastic body and the hard synthetic resin foam is reinforced with a reinforcing material, the bending strength, bending modulus, rigidity, water resistance, Not only does it have excellent chemical resistance and heat insulation properties, but it also has excellent impact resistance, making it difficult to crack or dent due to impact, and is also non-slip. It is possible to continuously produce plate-shaped materials suitable for use in veranda materials, truck loading materials, land and sea container materials, core materials for FRP ships, etc.
又、本発明では硬化性ゴム状弾性樹脂液を構成
する樹脂が発泡硬化性樹脂液を構成する樹脂と同
一のものとなつているので、相溶状態で反応硬化
し、強力な接着が得られるため、表面に被覆され
たゴム状弾性体は容易にはがれることがない。更
に、本願発明では表面被覆層を形成するために予
め賦形されたシート状物を用いる必要がなく、部
材管理が容易である。 Furthermore, in the present invention, since the resin constituting the curable rubber-like elastic resin liquid is the same as the resin constituting the foamed curable resin liquid, the resins react and cure in a compatible state, resulting in strong adhesion. Therefore, the rubber-like elastic material coated on the surface does not peel off easily. Furthermore, in the present invention, there is no need to use a pre-shaped sheet material to form the surface coating layer, and member management is easy.
次に本発明の実施例について説明する。 Next, examples of the present invention will be described.
実施例
第１図に示した装置を使用し下記条件で板状合
成材料を製造した。Example A plate-shaped synthetic material was manufactured using the apparatus shown in FIG. 1 under the following conditions.
太さ9μの単繊維を200本集めて１ストランドと
したものを60ストランド集めたガラスロービング
２を巻取体２１……から1m当り500g供給し、発
泡硬化性樹脂液は供給装置３から1m当り1000g供
給した。 Glass roving 2, which is made by collecting 60 strands of 200 single fibers with a thickness of 9μ, is supplied from the winding body 21 at a rate of 500g per 1m, and the foamed curable resin liquid is supplied from the supply device 3 at a rate of 60 strands per 1m. Supplied 1000g.
上記発泡硬化性樹脂液の組成は下記の通りであ
つた。 The composition of the foamed curable resin liquid was as follows.
ポリエーテルポリオール（官能基数4.OH値
460） 100重量部
ジブチル錫ジラウレート 0.3 〃
シリコンオイル １ 〃
モノクロロトリフルオロメタン ５ 〃
水 １ 〃
粗製４，4′−ジフエニルメタンジイソシアネ
ート 130 〃
又、硬化性ゴム状弾性樹脂液を供給装置４より
供給し、エンドレスベルト１１上に１mmの厚さに
塗布した。 Polyether polyol (number of functional groups 4.OH value
460) 100 parts by weight Dibutyltin dilaurate 0.3 〃 Silicone oil 1 〃 Monochlorotrifluoromethane 5 〃 Water 1 〃 Crude 4,4'-diphenylmethane diisocyanate 130 〃 In addition, a curable rubber-like elastic resin liquid was supplied from the supply device 4. , was applied onto the endless belt 11 to a thickness of 1 mm.
該樹脂液の組成は下記の通りであつた。 The composition of the resin liquid was as follows.
ポリエーテルポリオール（官能基数3.OH値
35） 80重量部
〃 （官能基数3.OH値
640） 20重量部
ジブチル錫ジラウレート 0.5 〃
粗４，4′−ジフエニルメタンジイソシアネー
ト 40 〃
又成形用通路１の巾は17cm、深さは２cm、長さ
は9mであり、入口より2mから4mまで100℃に加
熱されており、1m／分の速度で引き取つて、巾
17cm、厚み２cmの板状合成材料を得た。得られた
板状合成材には厚さ１mmのウレタンゴム層が積層
されており、比重（JIS Ｚ−2102に準じて測定し
た比重）は0.51であつた。又曲げ強さ（たて方
向、JIS Ｚ−2113に準じて測定した曲げ強さ）は
680Kg／cm2、曲げ弾性率（たて方向、JIS Ｚ−
2113に準じて測定した曲げ弾性率）は5.1×104
Kg／cm2、圧縮強さ（JIS Ｚ−2111に準じて測定し
た圧縮強さ）は19Kg／cm2であつた。又５Kgの鋼球
を1mの高さより落下して、落球衝撃試験を行つ
たが、ひび割れはなかつた。 Polyether polyol (number of functional groups 3.OH value
35) 80 parts by weight 〃 (Number of functional groups 3.OH value
640) 20 parts by weight Dibutyltin dilaurate 0.5 〃 Crude 4,4'-diphenylmethane diisocyanate 40 〃 Also, the width of the molding passage 1 is 17 cm, the depth is 2 cm, and the length is 9 m, and from 2 m to 4 m from the entrance. It is heated to 100℃ and is pulled at a speed of 1m/min.
A plate-shaped synthetic material 17 cm long and 2 cm thick was obtained. The obtained plate-shaped synthetic material had a urethane rubber layer laminated with a thickness of 1 mm, and the specific gravity (specific gravity measured according to JIS Z-2102) was 0.51. In addition, the bending strength (vertical direction, bending strength measured according to JIS Z-2113) is
680Kg/cm 2 , flexural modulus (vertical direction, JIS Z-
2113) is 5.1×10 4
Kg/cm 2 , and the compressive strength (compressive strength measured according to JIS Z-2111) was 19 Kg/cm 2 . In addition, a falling ball impact test was conducted by dropping a 5 kg steel ball from a height of 1 m, but no cracks were found.
第１図は本発明の製造方法の一実施例を示す説
明図である。
１……成形用通路、１１：１３……エンドレス
ベルト、２……ガラスロービング、３……発泡硬
化性樹脂液供給装置、４……硬化性ゴム状弾性樹
脂液供給装置、５……板状合成材料。
FIG. 1 is an explanatory diagram showing an embodiment of the manufacturing method of the present invention. 1... Molding passage, 11:13... Endless belt, 2... Glass roving, 3... Foamed curable resin liquid supply device, 4... Curable rubber-like elastic resin liquid supply device, 5... Plate shape synthetic material.
Claims (1)
面及び下面がエンドレスベルトにより構成された
成形用通路の下面を構成するエンドレスベルトに
沿つて補強材を供給し、該補強材に上記成形用通
路の入口の手前において始め液状であつて短時間
で発泡し硬化する発泡硬化性樹脂液を供給すると
共に、上記エンドレスベルト表面に始め液状であ
つて短時間で硬化し、上記発泡硬化性樹脂液と同
一樹脂からなる軟質又は半硬質の硬化性ゴム状弾
性樹脂液を塗布して前記成形用通路を通過せし
め、成形用通路内で上記発泡硬化性樹脂液及び硬
化性ゴム状弾性樹脂液を硬化せしめることを特徴
とする軽量板状合成材料の製造方法。 ２ 発泡硬化性樹脂液が発泡性ウレタン樹脂液で
あり、硬化性ゴム状弾性樹脂液がウレタン樹脂液
である特許請求の範囲第１項記載の軽量板状合成
材料の製造方法。 ３ 下面を構成するエンドレスベルトが入口より
張り出して設けられている特許請求の範囲第１項
記載の軽量板状合成材料の製造方法。 ４ 補強材がガラス繊維である特許請求の範囲第
１項記載の軽量板状合成材料の製造方法。 ５ ガラス繊維がガラスロービングである特許請
求の範囲第４項記載の軽量板状合成材料の製造方
法。 ６ 補強材がハニカム材である特許請求の範囲第
１項記載の軽量板状合成材料の製造方法。[Claims] 1. A reinforcing material is supplied along an endless belt constituting the lower surface of a molding passage having an inlet and an outlet, and at least the upper and lower surfaces of the passage are constituted by an endless belt, and the reinforcing material A foamed curable resin liquid that is initially liquid and foams and hardens in a short time is supplied to the surface of the endless belt before the entrance of the molding passage, and the foamed curable resin liquid that is initially liquid and hardens in a short time is supplied to the surface of the endless belt. A soft or semi-hard curable rubber-like elastic resin liquid made of the same resin as the curable resin liquid is applied and passed through the molding passage, and the foamed curable resin liquid and the curable rubber-like elastic resin are applied in the molding passage. A method for producing a lightweight plate-like synthetic material, characterized by curing a resin liquid. 2. The method for producing a lightweight plate-like synthetic material according to claim 1, wherein the foaming curable resin liquid is a foaming urethane resin liquid, and the curable rubber-like elastic resin liquid is a urethane resin liquid. 3. The method for manufacturing a lightweight plate-like synthetic material according to claim 1, wherein the endless belt constituting the lower surface is provided to overhang from the entrance. 4. The method for producing a lightweight plate-like synthetic material according to claim 1, wherein the reinforcing material is glass fiber. 5. The method for producing a lightweight plate-like synthetic material according to claim 4, wherein the glass fiber is a glass roving. 6. The method for producing a lightweight plate-like synthetic material according to claim 1, wherein the reinforcing material is a honeycomb material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14679479A JPS5669140A (en) | 1979-11-12 | 1979-11-12 | Light platelike synthetic material manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14679479A JPS5669140A (en) | 1979-11-12 | 1979-11-12 | Light platelike synthetic material manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5669140A JPS5669140A (en) | 1981-06-10 |
| JPS6334807B2 true JPS6334807B2 (en) | 1988-07-12 |
Family
ID=15415680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14679479A Granted JPS5669140A (en) | 1979-11-12 | 1979-11-12 | Light platelike synthetic material manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5669140A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5320547U (en) * | 1976-07-29 | 1978-02-21 | ||
| JPS5333626A (en) * | 1976-09-09 | 1978-03-29 | Canon Inc | Cinecamera |
-
1979
- 1979-11-12 JP JP14679479A patent/JPS5669140A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5320547U (en) * | 1976-07-29 | 1978-02-21 | ||
| JPS5333626A (en) * | 1976-09-09 | 1978-03-29 | Canon Inc | Cinecamera |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5669140A (en) | 1981-06-10 |
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