JPH0128695B2 - - Google Patents
Info
- Publication number
- JPH0128695B2 JPH0128695B2 JP56089505A JP8950581A JPH0128695B2 JP H0128695 B2 JPH0128695 B2 JP H0128695B2 JP 56089505 A JP56089505 A JP 56089505A JP 8950581 A JP8950581 A JP 8950581A JP H0128695 B2 JPH0128695 B2 JP H0128695B2
- Authority
- JP
- Japan
- Prior art keywords
- core material
- matrix resin
- surface material
- impregnated
- porous
- 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
- 239000011162 core material Substances 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 32
- 229920005989 resin Polymers 0.000 claims description 28
- 239000011347 resin Substances 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 26
- 239000011159 matrix material Substances 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000011491 glass wool Substances 0.000 claims 1
- 239000003054 catalyst Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 150000001412 amines Chemical class 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 229920005749 polyurethane resin Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000010526 radical polymerization reaction Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 229920006337 unsaturated polyester resin Polymers 0.000 description 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- 102100040428 Chitobiosyldiphosphodolichol beta-mannosyltransferase Human genes 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000012973 diazabicyclooctane Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000007870 radical polymerization initiator Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012974 tin catalyst Substances 0.000 description 1
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Description
【発明の詳細な説明】
本発明は、サンドイツチ構造体の連続製造方法
に関し、さらに詳しくは、一旦製品の最終肉厚以
下に押圧することにより、芯材中のマトリツクス
樹脂を表面材に含浸させた後、所定断面形状に保
持しつつ引抜き、該マトリツクス樹脂を固化せし
めることを特徴とするサンドイツチ構造体の連続
製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for continuously manufacturing a sandwich structure, and more specifically, the present invention relates to a method for continuously manufacturing a sandwich structure. The present invention relates to a continuous manufacturing method for a sanderch structure, characterized in that the matrix resin is then drawn out while maintaining a predetermined cross-sectional shape, and the matrix resin is solidified.
軽量で曲げ剛性の大きい芯材を、FRP（繊維強
化熱硬化性樹脂）等の表面材ではさんだサンドイ
ツチ構造体は、FRPの低剛性の欠点を補えるば
かりでなく、軽量であるために、大型舟艇、建築
用パネルあるいは車両部材等に広く使われてい
る。かかるサンドイツチ構造体の従来の成形方法
としては、固体として完成された表面材と芯材を
接着剤で接合する方法、固体の芯材上に、未硬化
の表面材を手積みで積層していく方法、あるいは
あらかじめ成形された表面材の型枠内にポリウレ
タンを注入して固化させる方法等が知られてい
る。 The sandwich structure, in which a lightweight core material with high bending rigidity is sandwiched between surface materials such as FRP (fiber-reinforced thermosetting resin), can not only compensate for the low rigidity of FRP, but also be used for large boats due to its light weight. It is widely used in construction panels, vehicle parts, etc. Conventional methods for forming such sanderch structures include bonding the completed solid surface material and core material with adhesive, and stacking uncured surface material on top of the solid core material by hand. A known method is to inject polyurethane into a mold of a pre-formed surface material and solidify it.
かかる従来方法においては、表面材又は芯材は
かならずどちらか一方又は双方が固体であるた
め、その製造方法あるいはそれによつて造られる
製品には自ずから制限があつた。本発明者等は、
表面材と芯材の効率的な積層方法について鋭意研
究を進めた結果、あらかじめマトリツクス樹脂を
芯材に含浸させておき、表面材を通じて押圧する
ことにより該マトリツクス樹脂を芯材から表面材
にしみ出させる方法が、成形性の自由度があり、
しかも連続化が可能であることを見い出した。 In such conventional methods, since either or both of the surface material and the core material are always solid, there are inherent limitations on the manufacturing method or the products that can be manufactured using the method. The inventors,
As a result of intensive research into an efficient method for laminating the surface material and core material, we found that by impregnating the core material with matrix resin in advance and pressing it through the surface material, the matrix resin seeps from the core material into the surface material. This method has a high degree of freedom in moldability.
Moreover, we discovered that it is possible to make it continuous.
すなわち本発明方法は、芯材と表面材とからな
るサンドイツチ構造体の製造方法において、マト
リツクス樹脂を液状で含浸させた、可撓性で連続
気泡を有する多孔質の芯材の少なくとも一面に、
多孔質の表面材を積層し、連続的に引抜きなが
ら、一旦製品の最終肉厚以下に押圧することによ
り該芯材中のマトリツクス樹脂を表面材に含浸さ
せた後、所定断面形状に保持しつつ引抜き、該マ
トリツクス樹脂を固化せしめることを特徴とする
サンドイツチ構造体の連続製造方法に関するもの
である。 That is, the method of the present invention is a method for manufacturing a Sanderch structure consisting of a core material and a surface material, in which at least one surface of a flexible, open-celled porous core material impregnated with a liquid matrix resin,
Porous surface materials are laminated, and while being continuously pulled out, the surface material is impregnated with the matrix resin in the core material by pressing it to a level below the final thickness of the product, and then the surface material is held in a predetermined cross-sectional shape. The present invention relates to a method for continuously producing a sanderch structure, which comprises drawing and solidifying the matrix resin.
本発明方法の１例を示す第１図にて、本発明方
法を説明すると、第１図におけるＡ，Ｂ，Ｃはそ
れぞれ引抜き成形機の上型、下型、ローラーを示
している。図中、〔〕なる区間においては、上
型Ａと下型Ｂの間隔が他より接近しており、ここ
において芯材２に含浸されたマトリツクス樹脂３
が、ガラスマツト１内にしみ出すことになる。か
かる区間〔〕を通過した、サンドイツチ板は所
望の肉厚及び形状に調節された所定断面形状を通
過しながら硬化一体成形されることになる。 To explain the method of the present invention with reference to FIG. 1 showing an example of the method of the present invention, A, B, and C in FIG. 1 respectively indicate an upper die, a lower die, and a roller of a pultrusion molding machine. In the section [ ] in the figure, the interval between the upper die A and the lower die B is closer than in other areas, and here the matrix resin 3 impregnated into the core material 2
will seep into the glass mat 1. The sanderch board that has passed through this section [] is cured and integrally molded while passing through a predetermined cross-sectional shape adjusted to a desired thickness and shape.
マトリツクス樹脂に重合触媒や促進剤を予め混
合しておくと、樹脂液のポツトライフが短かくて
調節が困難となる場合には、芯材にマトリツクス
樹脂を、表面材に触媒や促進剤を加え、芯材を圧
縮した際に、マトリツクス樹脂を表面材側にしみ
出させ、触媒や促進剤と混合することもできる。
例えばポリウレタン樹脂の場合には、ポリオール
とイソシアネートの混合物を芯材に含浸せしめ、
表皮材に錫触媒やアミン触媒を含浸させ、不飽和
ポリエステルの場合には芯材に不飽和ポリエステ
ル樹脂とラジカル重合開始剤の混合物を含浸させ
ておき、表面材に、コバルト系やアミン系などの
促進剤を含浸させる方法をとり得る。 If a polymerization catalyst or accelerator is mixed in advance with the matrix resin, the pot life of the resin liquid will be short and difficult to control, so add the matrix resin to the core material and the catalyst or accelerator to the surface material. When the core material is compressed, the matrix resin can be allowed to ooze out to the surface material side and mixed with the catalyst or accelerator.
For example, in the case of polyurethane resin, the core material is impregnated with a mixture of polyol and isocyanate,
The skin material is impregnated with a tin catalyst or an amine catalyst, and in the case of unsaturated polyester, the core material is impregnated with a mixture of an unsaturated polyester resin and a radical polymerization initiator, and the surface material is impregnated with a cobalt-based, amine-based, etc. A method of impregnating an accelerator may be adopted.
また、反応が早い場合には、ローラーＣ、又は
圧縮板を上下に急激に振動するようにして、表面
材への樹脂の含浸を促進することも好ましい方法
である。 In addition, if the reaction is fast, it is also a preferable method to rapidly vibrate the roller C or the compression plate up and down to promote impregnation of the resin into the surface material.
本発明方法では、芯材２に含浸させたマトリツ
クス樹脂３を押圧して、しみ出させる必要がある
ため、かかる芯材としては、可撓性で連続気泡を
40％以上、好ましくは70％以上有する多孔性物質
が好適である。例えば、ポリウレタン、塩化ビニ
ル、ポリエチレン樹脂等が選ばれる。好ましく
は、発泡ポリウレタンであり、特に好ましくはモ
ノマーによる膨潤が少ないポリエステル系ポリウ
レタンが本発明方法の芯材として選ばれる。前記
の好ましい芯材の他にも、表面材や成形方法ある
いはサンドイツチ構造体の種類により、公知乃至
周知の芯材、例えば他の発泡プラスチツク芯材、
ハニカム芯材又は木材や無機質芯材で可撓性、多
孔性、及び連続気泡を有するものは使用すること
ができる。かかる芯材の中から、吸湿性、遮音
性、難燃性や剛性あるいは作業性、成形性等の要
求に応じて適材を選ぶことができる。 In the method of the present invention, it is necessary to press the matrix resin 3 impregnated into the core material 2 so that it oozes out.
Porous materials having a porous content of 40% or more, preferably 70% or more are suitable. For example, polyurethane, vinyl chloride, polyethylene resin, etc. are selected. Preferably, foamed polyurethane is selected, and particularly preferably polyester polyurethane, which is less swollen by monomers, is selected as the core material in the method of the present invention. In addition to the preferred core materials mentioned above, depending on the surface material, molding method, or type of sandwich structure, known or known core materials may be used, such as other foamed plastic core materials,
A honeycomb core material or a wood or inorganic core material that is flexible, porous, and has open cells can be used. Among these core materials, an appropriate material can be selected depending on requirements such as hygroscopicity, sound insulation, flame retardance, rigidity, workability, and moldability.
表面材１としては、各種の天然繊維や合成繊維
からなる多孔質物質でマトリツクス樹脂を含浸で
きるものであればよい。好ましくは、ガラス繊維
であり、ガラスクロスやロービングクロス等、そ
の他成形方法、成形体の用途に応じて、例えばコ
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、サーフエシングマツト等を単独
であるいは組み合せて用いることが可能である。
クロス補強材の場合は、その織方により引張り又
は曲げ強度が大きく変わるため、目的に応じた選
定が大切である。ガラス繊維表面材にさらに、プ
ラスチツクフイルムやメタルフイルムを積層した
り、表面材ではさまれた芯材の内部に表面材をは
さみ込んで引抜き成形することもできる。又、芯
材の内部に、金属、コンクリート等の剛性の高い
物質の板、棒、パイプ等をインサートすることも
可能である。 The surface material 1 may be any porous material made of various natural fibers or synthetic fibers that can be impregnated with the matrix resin. Preferably, glass fiber is used, such as glass cloth, roving cloth, etc. Depending on the molding method and the purpose of the molded product, for example, continuous strand mat, chopped strand mat, surfaging mat, etc. may be used alone or It is possible to use them in combination.
In the case of cross reinforcing materials, the tensile or bending strength varies greatly depending on the weaving method, so it is important to select the material according to the purpose. It is also possible to further laminate a plastic film or metal film to the glass fiber surface material, or to sandwich the surface material inside a core material sandwiched between the surface materials and perform pultrusion molding. It is also possible to insert a plate, rod, pipe, etc. made of a highly rigid material such as metal or concrete into the core material.
本発明方法で用いられるマトリツクス樹脂とし
ては、不飽和ポリエステル樹脂、エポキシ樹脂、
フエノール樹脂、ビニルエステル樹脂、シリコン
樹脂、アリル樹脂、ポリウレタン樹脂等の熱硬化
性樹脂が好ましい。かかるマトリツクス樹脂を芯
材に含浸させる方法としては、あらかじめ芯材を
液状樹脂中に浸漬しても良く、成形型に入る前
に、芯材の所定個所に樹脂液を注いでも良い。
又、樹脂液中には目的に応じて各種の充てん剤を
添加できる。 The matrix resin used in the method of the present invention includes unsaturated polyester resin, epoxy resin,
Thermosetting resins such as phenolic resins, vinyl ester resins, silicone resins, allyl resins, and polyurethane resins are preferred. As a method for impregnating the core material with such a matrix resin, the core material may be immersed in a liquid resin in advance, or a resin liquid may be poured into a predetermined portion of the core material before entering the mold.
Moreover, various fillers can be added to the resin liquid depending on the purpose.
本発明方法によれば、長尺のサンドイツチ板ば
かりでなく、チヤンネルあるいはアングルのサン
ドイツチ構造物、その他複合管等の連続成形が可
能である。又、成形型を選ぶことにより、部分的
にサンドイツチ構造を持つた成形品も容易に製造
できる。従つて、本発明方法は、連続化による作
業性の向上とともに、成形性の自由度を与える優
れた方法といえる。 According to the method of the present invention, it is possible to continuously form not only long sanderch boards, but also channel or angle sanderch structures, other composite pipes, and the like. Furthermore, by selecting a mold, it is possible to easily produce a molded product having a partially sandwiched structure. Therefore, the method of the present invention can be said to be an excellent method that not only improves workability through continuous production but also provides flexibility in moldability.
実施例 １
第１図に示した如く、比重0.03、厚味４cmの軟
質ポリウレタンフオーム(2)、下記混合液(3)を混合
液240ｇ／ウレタンフオーム１の比で含浸させ
る。Example 1 As shown in FIG. 1, a soft polyurethane foam (2) with a specific gravity of 0.03 and a thickness of 4 cm was impregnated with the following mixed solution (3) at a ratio of 240 g of the mixed solution/1 urethane foam.
(3)Poly Ｇ−300
Poly −D322
MR−100
フロン−11（旭オーリン社
製ポリオール）
（ ）
（日本ポリウレタン社
製イソシアネート）
100
1.5
131
10
(1)として、450ｇ／m2のチヨツプドストランド
２枚を用い、予めこれにアミン触媒DABCO−
33LVの５％メチレンクロライド溶液を0.5Kg／
m2・枚の割合で噴霧させておき、上記ウレタンフ
オームの上下に重ねてから、ロールＣ位置にある
上下振動含浸ロールで圧縮して、上記ウレタン混
合液を浸出させると同時にアミン触媒を混合し、
60℃の金型を通して最終厚味が２cmとなるように
引抜き重合させた。(3) Poly G-300 Poly -D322 MR-100 Freon-11 (Polyol manufactured by Asahi Olin Co., Ltd.) ( ) (Isocyanate manufactured by Nippon Polyurethane Co., Ltd.) 100 1.5 131 10 As (1), 450 g/m 2 chopped Use two strands and apply amine catalyst DABCO to them in advance.
0.5Kg/33LV 5% methylene chloride solution
After spraying at a ratio of 2 m sheets, layer it on top and bottom of the urethane foam, compress it with a vertical vibrating impregnation roll located at roll C position, and mix the amine catalyst at the same time as leaching out the urethane mixture. ,
It was pulled through a mold at 60° C. and polymerized to a final thickness of 2 cm.
こゝに得られた積層板の強度物性は、曲げ剛性
2.5×104Kg／cm2、引張強さは250Kg／cm2であつた。 The strength properties of the laminate thus obtained are bending rigidity
The tensile strength was 2.5×10 4 Kg/cm 2 and 250 Kg/cm 2 .
第１図は、本発明方法の１例である、長尺サン
ドイツチ板製造用連続引抜き成形装置の正面図で
ある。
１…ガラスマツト表面材、２…芯材、３…マト
リツクス樹脂。
FIG. 1 is a front view of a continuous pultrusion molding apparatus for producing a long sandwich board, which is an example of the method of the present invention. 1... Glass mat surface material, 2... Core material, 3... Matrix resin.
Claims (1)
の製造方法において、マトリツクス樹脂を液状で
含浸させた、可撓性で連続気泡を有する多孔質の
芯材の少なくとも一面に、多孔質の表面材を積層
し、連続的に引抜きながら、一旦製品の最終肉厚
以下に押圧することにより該芯材中のマトリツク
ス樹脂を表面材に含浸させた後、所定断面形状に
保持しつつ引抜き、該マトリツクス樹脂を固化せ
しめることを特徴とするサンドイツチ構造体の連
続製造方法。 ２ 可撓性で多孔質の芯材が発泡ポリウレタン又
は、ガラスウールである特許請求の範囲第１項記
載の製造方法。 ３ 多孔質の表面材がシート状ガラス繊維材であ
る特許請求の範囲第１項記載の製造方法。[Scope of Claims] 1. In a method for manufacturing a Sanderch structure consisting of a core material and a surface material, at least one surface of a flexible open-cell porous core material impregnated with a liquid matrix resin, Porous surface materials are laminated, and while being continuously pulled out, the surface material is impregnated with the matrix resin in the core material by pressing it to a level below the final thickness of the product, and then the surface material is held in a predetermined cross-sectional shape. 1. A method for continuously producing a sanderch structure, comprising drawing and solidifying the matrix resin. 2. The manufacturing method according to claim 1, wherein the flexible and porous core material is foamed polyurethane or glass wool. 3. The manufacturing method according to claim 1, wherein the porous surface material is a sheet-like glass fiber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56089505A JPS57205137A (en) | 1981-06-12 | 1981-06-12 | Continuous manufacture of sandwich structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56089505A JPS57205137A (en) | 1981-06-12 | 1981-06-12 | Continuous manufacture of sandwich structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57205137A JPS57205137A (en) | 1982-12-16 |
| JPH0128695B2 true JPH0128695B2 (en) | 1989-06-05 |
Family
ID=13972631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56089505A Granted JPS57205137A (en) | 1981-06-12 | 1981-06-12 | Continuous manufacture of sandwich structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57205137A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4558091B1 (en) * | 2009-10-29 | 2010-10-06 | 株式会社イノアックコーポレーション | Fiber-reinforced molded body and method for producing the same |
| JP5743271B2 (en) * | 2010-08-30 | 2015-07-01 | 株式会社イノアックコーポレーション | FIBER-REINFORCED MOLDED BODY AND METHOD FOR PRODUCING THE SAME |
| JP5661898B2 (en) * | 2013-11-07 | 2015-01-28 | 株式会社イノアックコーポレーション | Prepreg and fiber reinforced molding |
| JP6175531B1 (en) * | 2016-03-23 | 2017-08-02 | 京都府 | Method for producing fiber reinforced composite |
-
1981
- 1981-06-12 JP JP56089505A patent/JPS57205137A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57205137A (en) | 1982-12-16 |
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