JPS63141730A - Reinforced plastic laminate - Google Patents
Reinforced plastic laminateInfo
- Publication number
- JPS63141730A JPS63141730A JP28846886A JP28846886A JPS63141730A JP S63141730 A JPS63141730 A JP S63141730A JP 28846886 A JP28846886 A JP 28846886A JP 28846886 A JP28846886 A JP 28846886A JP S63141730 A JPS63141730 A JP S63141730A
- Authority
- JP
- Japan
- Prior art keywords
- core material
- reinforced plastic
- adhesive
- exterior material
- exterior
- 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.)
- Pending
Links
- 239000002990 reinforced plastic Substances 0.000 title claims description 19
- 239000000463 material Substances 0.000 claims description 67
- 239000011162 core material Substances 0.000 claims description 60
- 239000000853 adhesive Substances 0.000 claims description 21
- 230000001070 adhesive effect Effects 0.000 claims description 21
- 239000006260 foam Substances 0.000 claims description 18
- 229920003002 synthetic resin Polymers 0.000 claims description 18
- 239000000057 synthetic resin Substances 0.000 claims description 18
- 229920005989 resin Polymers 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 12
- 229920001187 thermosetting polymer Polymers 0.000 claims description 12
- 239000002650 laminated plastic Substances 0.000 claims 1
- 239000003822 epoxy resin Substances 0.000 description 9
- 229920000647 polyepoxide Polymers 0.000 description 9
- -1 polyethylene Polymers 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 239000000178 monomer Substances 0.000 description 6
- 229920000620 organic polymer Polymers 0.000 description 6
- 229920006305 unsaturated polyester Polymers 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 229920005830 Polyurethane Foam Polymers 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002657 fibrous material Substances 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 239000011496 polyurethane foam Substances 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- 238000001723 curing Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- 239000004604 Blowing Agent Substances 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004641 Diallyl-phthalate Substances 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 229920002978 Vinylon Polymers 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- GEMHFKXPOCTAIP-UHFFFAOYSA-N n,n-dimethyl-n'-phenylcarbamimidoyl chloride Chemical compound CN(C)C(Cl)=NC1=CC=CC=C1 GEMHFKXPOCTAIP-UHFFFAOYSA-N 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〈産業上の利用分野〉
この発明は、強化プラスチック積層品に関し、より詳し
くは、サーフボード等に好適に使用できる強化プラスチ
ック積層品に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a reinforced plastic laminate, and more particularly to a reinforced plastic laminate that can be suitably used for surfboards and the like.
〈従来の技術と発明が解決しようとする問題点〉従来、
サーフィンやウィンドサーフィンに使用するサーフボー
ドとして、外装材としてのポリエチレン等の合成樹脂成
形品の内部に、芯材としてポリウレタンフォームを注入
発泡したものが知られている。<Problems to be solved by conventional technology and invention> Conventionally,
2. Description of the Related Art Surfboards used for surfing and windsurfing are known in which polyurethane foam is injected and foamed as a core material inside a synthetic resin molded product such as polyethylene as an exterior material.
しかしながら、均一な発泡体を得る上で、ポリウレタン
フォームの注入発泡は技術的に非常に難しく面倒であり
、強度的にも不充分である。また上記ポリウレタンフォ
ームを被覆するポリエチレンも機械的強度が小さい。従
って、得られたサーフボードも、全体として機械的強度
が十分でないという問題がある。However, in order to obtain a uniform foam, injection foaming of polyurethane foam is technically very difficult and troublesome, and its strength is also insufficient. Furthermore, the polyethylene covering the polyurethane foam has low mechanical strength. Therefore, the obtained surfboard also has the problem of insufficient mechanical strength as a whole.
そこで、強化プラスチックが強度や耐久性に優れている
ことに着目して、合成樹脂発泡体と強化プラスチックと
を組合わせた強化プラスチック積層品の採用が検討され
ている。Therefore, focusing on the superior strength and durability of reinforced plastics, consideration is being given to adopting reinforced plastic laminates that combine synthetic resin foam and reinforced plastics.
ところが、上記強化プラスチック積層品にあっては、芯
材としての合成樹脂発泡体の接着性が悪いため、強化プ
ラスチックとの一体性、耐久性に欠けるという問題があ
った。However, the above-mentioned reinforced plastic laminate has a problem in that it lacks integrity and durability with the reinforced plastic because the synthetic resin foam as a core material has poor adhesion.
く目的〉
この発明は、上記従来の問題点に鑑みてなされたもので
あり、軽量でしかも機械的強度が大きく、芯材と外装材
との接着性、一体性、耐久性に優れた安価な強化プラス
チック積層品を提供することを目的とするものである。Purpose This invention was made in view of the above-mentioned conventional problems, and is an inexpensive material that is lightweight, has high mechanical strength, and has excellent adhesiveness, integrity, and durability between the core material and the exterior material. The purpose is to provide reinforced plastic laminate products.
く間ｍ点を解決するための手段〉
この発明は、合成樹脂発泡体からなる芯材と、この芯材
を覆う強化プラスチックからなる外装材とが、接着剤に
て接合されている積層品であって、上記接着剤が、ハニ
カム構造状に前記芯材の内部に浸透している強化プラス
チック積層品により、上記従来の問題点を解決するもの
である。Means for solving the gap m point> This invention is a laminate product in which a core material made of synthetic resin foam and an exterior material made of reinforced plastic that covers this core material are joined with an adhesive. The above-mentioned conventional problems are solved by a reinforced plastic laminate in which the adhesive penetrates into the interior of the core material in a honeycomb structure.
く作 用〉
この発明は、上記の構成からなり、芯材が合成樹脂発泡
体で構成されているので軽量であると共に、この芯材を
覆う外装材が強化プラスチックからなるので、機械的強
度および耐久性、耐水性が大きい。また、前記芯材と外
装材とを接合する接着剤が、強度的に大きなハニカム構
造状に前記芯材の内部に浸透しているので、芯材と外装
材との接合度、一体性が大きい。Effects> The present invention has the above-mentioned structure, and since the core material is made of synthetic resin foam, it is lightweight, and since the exterior material covering this core material is made of reinforced plastic, it has high mechanical strength and Highly durable and water resistant. In addition, the adhesive that joins the core material and the exterior material penetrates into the interior of the core material in a honeycomb structure with high strength, so the degree of bonding and integrity between the core material and the exterior material is high. .
〈実施例〉
、以下に、この発明の実施例について、図を参照しなが
ら説明する。<Embodiments> Examples of the present invention will be described below with reference to the drawings.
第１図は、この発明の一実施例を示す断面図であり、ビ
ーズ成形したポリスチレン等の合成樹脂発泡体からなる
所定形状の芯÷４（１）の側端部全周には、ガラス繊維
と不飽和ポリエステルからなる強化プラスチック（以下
、ＦＲＰという）で構成さた細幅の内張材（２）が貼着
されている。なお、上記内張材（２は、後記外装材（４
）の継目位置に対応する芯材（１）外面を被覆しており
、芯材（１）の側部の外面形状に沿って、薄い曲面板状
に形成されている。FIG. 1 is a cross-sectional view showing one embodiment of the present invention, in which a core of a predetermined shape made of bead-molded synthetic resin foam such as polystyrene ÷ 4 (1) has glass fibers all around the side edges. A narrow lining material (2) made of reinforced plastic (hereinafter referred to as FRP) made of unsaturated polyester is attached. In addition, the above-mentioned lining material (2) is the exterior material (4) described later.
), and is formed into a thin curved plate shape along the outer surface shape of the side part of the core material (1).
また、上記芯材（１）、内張材（２）と、前記芯材（１
）の形状に適合した断面湾曲板状のＦＲＰからなると共
に、前記芯材（１）および内張材［２］を被覆する上下
２枚の外装材（４）とが、接着強度が大きく、熱硬化性
を示すエポキシ樹脂系接着剤（３）により接合されてい
る。In addition, the core material (1), the lining material (2), and the core material (1)
) is made of FRP with a curved plate-like cross section that conforms to the shape of They are bonded using a curable epoxy resin adhesive (3).
そして、合成樹脂発泡体からなる芯材（１）と外装材（
４）とを一体化するため、上記接着剤（３）は、構造的
に優れた強度を示すハニカム構造状に前記芯材（１）の
内部に浸透し、硬化している。Then, a core material (1) made of synthetic resin foam and an exterior material (
4), the adhesive (3) penetrates into the interior of the core material (1) and hardens in a honeycomb structure exhibiting excellent structural strength.
なお、この例では、内張材（２）および外装材（４］と
して、ガラス繊維製のシートに不飽和ポリエステルを含
浸させたものが用いられており、芯材〔１）を上記内張
材（２で貼着した後、上記外装材（４）で被覆し、上下
方向から熱プレスすることにより、芯材（１）と密着硬
化させて形成されている。また、上記ハニカム構造は、
前記外装材（４）の内面および／または芯材（１）の外
面に上記エポキシ樹脂を塗布すると共に、芯材（１）を
外装材（４）で被覆し、所定の型を用いて上下方向から
所定の温度、時間、熱プレスすることにより、上記エポ
キシ樹脂を芯材（１）の前記合成樹脂発泡体内に浸透さ
せて熱硬化させることにより、形成することができる。In this example, a glass fiber sheet impregnated with unsaturated polyester is used as the lining material (2) and the exterior material (4), and the core material [1] is used as the lining material (4). (After pasting in step 2, it is covered with the exterior material (4) and heat-pressed from above and below to harden it in close contact with the core material (1).The honeycomb structure is formed by:
The epoxy resin is applied to the inner surface of the exterior material (4) and/or the outer surface of the core material (1), and the core material (1) is covered with the exterior material (4), and then molded in the vertical direction using a predetermined mold. The core material (1) can be formed by hot pressing at a predetermined temperature and time to infiltrate the epoxy resin into the synthetic resin foam of the core material (1) and heat-cure it.
上記の構造を有するＦＲＰ積層品にあっては、機械的強
度の大きなハニカム構造を形成する接着剤（３）にて前
記芯材（１）と、内張材（２、外装材（４）とが接合し
て一体化しているので、ＦＲＰ積層品の一体性、機械的
強度が大きい。また、芯材（１）が合成樹脂発泡体から
なるので、軽量であると共に、外装材（４）がＦＲＰか
らなるので、耐久性、耐水性も大きい。さらには、前記
外装材の（４）の継目箇所が前記内張材１′２Ｊで貼着
されているので、万一、前記継目から水等が浸透しても
、前記内張材（′２３により、内部の芯材（１）に水が
浸透するのを確実に防止することができる。In the FRP laminate having the above structure, the core material (1), the lining material (2), and the exterior material (4) are bonded together using an adhesive (3) that forms a honeycomb structure with high mechanical strength. Since the FRP laminates are joined and integrated, the integrity and mechanical strength of the FRP laminate product is high.Also, since the core material (1) is made of synthetic resin foam, it is lightweight and the exterior material (4) is Since it is made of FRP, it has great durability and water resistance.Furthermore, since the seam (4) of the exterior material is attached with the lining material 1'2J, in the unlikely event that water etc. Even if water penetrates into the inner core material (1), the lining material ('23) can reliably prevent water from penetrating into the inner core material (1).
なお、上記芯材（１）を構成する合成樹脂発泡体の素材
としては、スチレン、α−メチルスチレン、等のスチレ
ン系モノマーの単独または共重合体、上記スチレン系モ
ノマーと共重合性を資するモノマー、例えば、無水マレ
イン酸、アクリル酸またはアクリル酸アルキルエステル
、メタクリル酸またはメタクリル酸アルキルエステル、
ブタジェン等との共重合体；エチレン、プロピレン等の
オレフィン系モノマーの単独または共重合体、上記オレ
フィン系モノマーと共重合性を有するモノマー、例えば
、アクリル酸、メタクリル酸、無水マレイン酸等との共
重合体；ポリエチレンにスチレンモノマーがグラフト重
合したグラフトポリマー（漬水化成品工業（株）裂開品
名、ビオセラン）；ポリ塩化ビニル等が例示される。The material for the synthetic resin foam constituting the core material (1) may be a single or copolymer of styrene monomers such as styrene, α-methylstyrene, or a monomer that is copolymerizable with the styrene monomer. , for example maleic anhydride, acrylic acid or acrylic acid alkyl esters, methacrylic acid or methacrylic acid alkyl esters,
Copolymers with butadiene, etc.; homopolymers or copolymers of olefinic monomers such as ethylene and propylene; copolymers with monomers copolymerizable with the above olefinic monomers, such as acrylic acid, methacrylic acid, maleic anhydride, etc. Examples of polymers include a graft polymer obtained by graft polymerizing a styrene monomer to polyethylene (Biocelan, a product name of a cleavage product manufactured by Uzukusui Kaseihin Kogyo Co., Ltd.); polyvinyl chloride, and the like.
上記合成樹脂発泡体からなる芯材［１）は、上記有機高
分子と、合成樹脂発泡体の製造に使用される通常の発泡
剤等と組合せて、溶融押出等の適宜の手段を用い前記有
機高分子を発泡化することにより、用途に応じた発泡倍
率、所定形状に成形するすることができる。なお、上記
合成樹脂発泡体からなる芯材（１）は、接着剤（３）を
浸透させて前記ハニカム構造を構成すると共に前記外装
材（４）との接着強度を大きくするため、発泡状態が粗
いものが好ましく、特に発泡粒子間に上記接着剤（３）
が浸透し易く、上記ハニカム構造が形成し易いビーズ成
形により形成されたものが好ましい。The core material [1] made of the synthetic resin foam is prepared by combining the organic polymer with a usual blowing agent used in the production of synthetic resin foams, and using an appropriate means such as melt extrusion. By foaming a polymer, it can be molded into a predetermined shape with a foaming ratio depending on the purpose. Note that the core material (1) made of the synthetic resin foam is in a foamed state in order to impregnate the adhesive (3) to form the honeycomb structure and increase the adhesive strength with the exterior material (4). A coarse adhesive is preferable, especially between the foamed particles (3).
Preferably, the beads are formed by bead molding, which allows easy penetration of the honeycomb structure and the formation of the honeycomb structure.
また、内張材（２）および外装材（４）は、繊維状物質
と、有機高分子等からなるＦＲＰで構成されている。上
記ＦＲＰの繊維状物質としては、ガラス繊維、アスベス
ト、カーボンｕＡｇ、ウィスカ、マイカ等の無機材料の
他、綿、麻等の天然繊維、或いはレーヨン、ビニロン、
テトロン、アクリル繊維、アラミド繊維等の有機材料が
例示され、これら繊維状物質は、繊維状、マット状ある
いは編成したシート状のいずれの形態でも使用できる。Furthermore, the lining material (2) and the exterior material (4) are made of FRP made of fibrous material, organic polymer, and the like. The above-mentioned FRP fibrous materials include inorganic materials such as glass fiber, asbestos, carbon uAg, whiskers, and mica, as well as natural fibers such as cotton and hemp, or rayon, vinylon,
Organic materials such as Tetoron, acrylic fibers, and aramid fibers are exemplified, and these fibrous substances can be used in any form of fibers, mats, or knitted sheets.
また、ＦＲＰの上記有機高分子としては、不飽和ポリエ
ステル、エポキシ樹脂、ジアリルフタレート樹脂、エポ
キシアクリレート等の不飽和アクリレート樹脂等の熱硬
化性樹脂が例示できる。上記有機高分子のうち、安価で
機械的強度の大きい熱硬化性樹脂、特に、不飽和ボ゛リ
エステル、エポキシ樹脂が好ましい。また、上記ＦＲＰ
は、所望により、スチレンモノマー、メタクリル酸メチ
ル等の重合性モノマーと併用して熱硬化して形成された
ものであってもよい。Furthermore, examples of the organic polymer of FRP include thermosetting resins such as unsaturated polyester, epoxy resin, diallyl phthalate resin, and unsaturated acrylate resin such as epoxy acrylate. Among the above organic polymers, thermosetting resins that are inexpensive and have high mechanical strength, particularly unsaturated polyesters and epoxy resins, are preferred. In addition, the above FRP
may be formed by thermosetting in combination with a polymerizable monomer such as styrene monomer or methyl methacrylate, if desired.
なお、上記内張材（２）および外装材（４）は、上記Ｆ
ＲＰに限らず、上記繊維状物質と、ポリエチレン、ポリ
プロピレン、ポリアミド、ポリカーボネート等の熱可塑
性樹脂とからなる、いわゆるＦＲＴＰで構成されていて
もよい。In addition, the above-mentioned lining material (2) and exterior material (4) are the above-mentioned F
The material is not limited to RP, and may be made of so-called FRTP, which is made of the above-mentioned fibrous material and a thermoplastic resin such as polyethylene, polypropylene, polyamide, or polycarbonate.
また、上記内張材（２）は、防水性が要求される用途等
において、必要に応じて構成される。Moreover, the above-mentioned lining material (2) is configured as necessary in applications where waterproofness is required.
また、外装材（４］は、芯材（１）の形状、大きさに応
じて適宜数の外装材（４）で構成してもよく、また用途
に応じて、適宜の厚みで形成されていればよく、通常１
ｍｍ程度の厚みで十分である。また、外装材（４）に
は、印刷、塗装等により、各種模様等が施されていても
よく、各種フィルムが積層されていてもよい。Further, the exterior material (4) may be composed of an appropriate number of exterior materials (4) depending on the shape and size of the core material (1), and may be formed with an appropriate thickness depending on the purpose. Usually 1
A thickness of about mm is sufficient. Further, the exterior material (4) may be provided with various patterns by printing, painting, etc., and various films may be laminated thereon.
また、上記ハニカム構造を形成する接着剤（３）として
は、上記各種の有機高分子が使用できるが、前記芯材）
１）と外装材［４］とを強固に接着させて一体性を高め
るため、熱硬化性樹脂が好ましい。この熱硬化性樹脂と
しては、エポキシ樹脂、不飽和ポリエステル、ウレタン
樹脂、不飽和アクリル樹脂、フェノール樹脂等が例示で
きる。Furthermore, as the adhesive (3) for forming the honeycomb structure, the various organic polymers mentioned above can be used, but the core material)
Thermosetting resin is preferable in order to firmly bond 1) and the exterior material [4] and improve their integrity. Examples of the thermosetting resin include epoxy resin, unsaturated polyester, urethane resin, unsaturated acrylic resin, and phenol resin.
なお、上記内張材（２１，外装材（４）のＦＲＰおよび
接着剤（３）として、熱硬化性樹脂を用いる場合、熱硬
化性樹脂に応じた硬化剤、例えば、不飽和ポリエステル
の場合、ベンゾイルパーオキサイド等と第三級アミン化
合物、ナフテン酸コバルト等を使用し、また、エポキシ
樹脂の場合、第三級アミン化合物等を使用することによ
り、熱硬化性樹脂の硬化条件を調整することができる。In addition, when using a thermosetting resin as the FRP and adhesive (3) of the lining material (21, exterior material (4)), a curing agent depending on the thermosetting resin, for example, in the case of unsaturated polyester, The curing conditions of thermosetting resins can be adjusted by using benzoyl peroxide, etc., tertiary amine compounds, cobalt naphthenate, etc., and in the case of epoxy resins, by using tertiary amine compounds, etc. can.
また、ハニカム構造は、芯材［１］の内部にかけて形成
さていればよく、前記芯材（１）の内部全体に回り形成
されていてもよい。このハニカム構造は、適宜の大きさ
、形状のハニカム単位により適宜の厚みで形成されてい
ればよく、通常、１０〜３Ｄｍｒｒ１程度の厚みで形成
されていれば強度上、十分である。Further, the honeycomb structure may be formed around the inside of the core material [1], or may be formed around the entire inside of the core material (1). This honeycomb structure may be formed of honeycomb units of appropriate size and shape and have an appropriate thickness, and usually, a thickness of about 10 to 3 Dmrr1 is sufficient in terms of strength.
さらに、上記サーフボードの場合、ダガーボードやスケ
グ等の部品を取付るための、貫通孔や四部等の細部構造
が形成されていてもよい。この場合、上記孔、凹部から
水等が内部に浸透するのを防止するため、上記孔、凹部
における芯材［１］と外装材（４）等との隙間を、エポ
キシ樹脂等にタルク等を混合した充填用パテ等で埋めれ
ばよい。Furthermore, in the case of the above-mentioned surfboard, detailed structures such as through holes and four parts may be formed for attaching parts such as a daggerboard and a skeg. In this case, in order to prevent water, etc. from penetrating into the interior through the holes and recesses, fill the gaps between the core material [1] and the exterior material (4) in the holes and recesses with talc or the like using epoxy resin. It may be filled with a mixed filler putty, etc.
以下に、上記構成よりなるＦＲＰ積層品の一製造方法に
ついて説明する。Below, one method for manufacturing the FRP laminate having the above structure will be described.
まず、第２図に示すように、ビーズ成形により形成した
芯材（１）の外周側端の全周に、ＦＲＰからなる細幅の
内張材（２）を貼着する。次いで、外装材（４）と芯材
（１）とをより強固に接着するため、全体を上下に二分
割して予め形成した２個の外装材（４） （４）の内面
または芯材］１）の外面に、前記エポキシ樹脂等の接着
剤（３）を適宜の厚み、例えば、約１００〜３００μ鳳
の厚みに塗布し、この外装材（４）を芯材（１）に被せ
て、芯材（１）の全面を覆う。その際、外装材（４）を
構成するＦＲＰの有機高分子として熱硬化性樹脂を用い
た場合、芯材（１）と外装材（４）とを密着状態で接合
するため、熱硬化性樹脂が未硬化の状態で使用するのが
好ましい。なお、外装材（４）の外周には、外方へ突出
する鍔部（５）が設けられている。First, as shown in FIG. 2, a narrow lining material (2) made of FRP is adhered to the entire outer circumferential end of a core material (1) formed by bead molding. Next, in order to bond the exterior material (4) and the core material (1) more firmly, the entire exterior material (4) is divided into upper and lower halves to form two exterior materials (4) (the inner surface of (4) or the core material). Apply adhesive (3) such as the epoxy resin to the outer surface of 1) to a suitable thickness, for example, about 100 to 300 μm, and cover the core material (1) with this exterior material (4), Cover the entire surface of the core material (1). At that time, if a thermosetting resin is used as the organic polymer of FRP constituting the exterior material (4), the thermosetting resin It is preferable to use it in an uncured state. Note that a flange (5) projecting outward is provided on the outer periphery of the exterior material (4).
次に、第３図に示すように、上記外装材（４］の上下に
プレス型（６） （６）を当接させて外装材（４）を、
所望により加熱しつつ、上下から押圧し、芯材（１］お
よび外装材（４）同士を完全に密着させて接合する。そ
の際、未だ未硬化状態の熱硬化性樹脂を含有する外装材
（４）が、芯材（１）および内張材（２）の外形に沿っ
て変形して隙間なく密着すると共に、前記接着剤口とし
ての熱硬化性樹脂が、合成樹脂発泡体からなる芯材（１
）の内部に浸透して硬化し、前記ハニカム構造が形成さ
れる。また、上下の外装材（４） （４）の継目個所で
は鍔部（５） （５１同士が当接して密着する。Next, as shown in FIG. 3, press molds (6) (6) are brought into contact with the upper and lower parts of the exterior material (4) to form the exterior material (4).
The core material (1) and the exterior material (4) are bonded together by pressing from above and below while heating if desired. 4) is deformed along the outer shape of the core material (1) and the lining material (2) so that they fit tightly together without any gaps, and the thermosetting resin serving as the adhesive port is a core material made of synthetic resin foam. (1
) and hardens to form the honeycomb structure. Furthermore, at the joint between the upper and lower exterior materials (4), the flanges (5) (51) come into close contact with each other.
上記の加圧密着工程は、種々の条件で行なうことができ
る。加圧条件としては、外装材（４）と芯材（１）とを
密着させ、かつハニカム構造を構成する接着剤（３）が
芯材（１）内に浸透する程度の圧力、例えば、０．５〜
３ ｋｇ ／ ｃ−程度の圧力を加えるのが好ましい。The above-mentioned pressurizing and adhering step can be carried out under various conditions. The pressure conditions are such that the exterior material (4) and the core material (1) are brought into close contact with each other and the adhesive (3) forming the honeycomb structure permeates into the core material (1), for example, 0. .5～
Preferably, a pressure of around 3 kg/c is applied.
上記の加圧条件において、前記外装材（４）は、通常、
２〜１０％程度圧縮される。また、加熱条件としては、
芯材［１）を構成する合成樹脂発泡体の発泡構造を破壊
しない程度の温度で、しかもハニカム構造を形成する接
着剤［３）が効率的に芯材（１）内に浸透する温度、例
えば、２０〜１００℃、好ましくは、４０〜６０℃の温
度で０．５〜５時間程度加熱すればよい。Under the above pressurizing conditions, the exterior material (4) usually
It is compressed by about 2 to 10%. In addition, the heating conditions are as follows:
A temperature that does not destroy the foamed structure of the synthetic resin foam that constitutes the core material [1], and a temperature that allows the adhesive [3] forming the honeycomb structure to efficiently penetrate into the core material (1), for example. , 20 to 100°C, preferably 40 to 60°C, for about 0.5 to 5 hours.
そして、外装材（４）のＦＲＰが完全に硬化した後、外
装材【４）の鍔部（５）を切除し、表面を滑かに研磨す
ることにより、サーフボードが製造できる。After the FRP of the exterior material (4) is completely cured, the flange (5) of the exterior material (4) is cut out and the surface is polished smoothly to produce a surfboard.
上記のような製造方法によれば、ハニカム構造を形成す
る接着剤（３）を芯材（１）の合成樹脂発泡体に浸透さ
せるだけで、複雑なハニカム構造を簡便にしかも安価に
製造することができる。According to the manufacturing method described above, a complex honeycomb structure can be easily and inexpensively manufactured by simply infiltrating the synthetic resin foam of the core material (1) with the adhesive (3) that forms the honeycomb structure. I can do it.
なお、内張材（２］としてはＦＲＰを芯材（１）の外形
に沿って予め成形硬化させたものも使用できる。Note that as the lining material (2), it is also possible to use FRP that has been molded and hardened in advance along the outer shape of the core material (1).
また、内張材口はサーフボードの完成後には、内部に完
全に埋設されてしまうので、外装材（４）に比べ薄いも
のであってもよい。また、上記鍔部（Ｓは、外装材（４
）の継目個所に位置ズレや段差が生じても、鍔部（８を
削ることにより継目個所を平滑に修正することができる
という利点があるが、必ずしも必要ではない。Further, since the lining material opening is completely buried inside the surfboard after completion, it may be thinner than the exterior material (4). In addition, the above-mentioned flange (S is the exterior material (4)
Although there is an advantage that even if a positional shift or a step difference occurs at the joint of the flange (8), the joint can be smoothed by cutting the flange (8), but this is not always necessary.
上記ＦＲＰｆａ層品は、サーフボードのほか、機械的強
度、耐久性、軽量性や低コスト性のみならず、耐水性等
をも必要とされる用途、例えば、各種スポーツ用品ある
いは、自動車等の車両用部品、建築構造部材等に好適に
使用される。In addition to surfboards, the above FRPfa layered products are suitable for applications that require not only mechanical strength, durability, light weight, and low cost, but also water resistance, such as various sporting goods and vehicles such as automobiles. Suitable for use in parts, architectural structural members, etc.
〈発明の効果〉
以上のように、この発明の強化プラスチック積層品によ
れば、芯材と外装材とを接合する接着剤が、ハニカム構
造状に芯材の内部に浸透しているので、外装材と芯材と
の一体性および機械的強度が大きい。また芯材が合成樹
脂発泡体で構成されているので軽量である。さらには、
芯材を被覆する外装材が強化プラスチックからなるので
、機械的強度および耐久性、耐水性が大きい。従って、
軽量でしかも機械的強度が大きく、芯材と外装材との一
体性、耐久性に優れた強化プラスチック積層品を提供す
ることができるというこの発明特有の効果を奏する。<Effects of the Invention> As described above, according to the reinforced plastic laminate of the present invention, the adhesive for bonding the core material and the exterior material penetrates into the interior of the core material in a honeycomb structure, so that the exterior material The integrity of the wood and core material and mechanical strength are high. Also, since the core material is made of synthetic resin foam, it is lightweight. Furthermore,
Since the exterior material covering the core material is made of reinforced plastic, it has high mechanical strength, durability, and water resistance. Therefore,
This invention has the unique effect of being able to provide a reinforced plastic laminate that is lightweight, has high mechanical strength, and has excellent integrity and durability between the core material and the exterior material.
第１図はこの発明の一実施例を示す断面図、第２図、第
３図はそれぞれ製造工程を示す断面図である。
（１）・・・芯材、（２）・・・内張材、（３）・・・
接着剤、（４）・・・外装材。
第１図
第２図
第３図FIG. 1 is a sectional view showing one embodiment of the present invention, and FIGS. 2 and 3 are sectional views showing manufacturing steps, respectively. (1) Core material, (2) Lining material, (3)...
Adhesive, (4) Exterior material. Figure 1 Figure 2 Figure 3
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28846886A JPS63141730A (en) | 1986-12-03 | 1986-12-03 | Reinforced plastic laminate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28846886A JPS63141730A (en) | 1986-12-03 | 1986-12-03 | Reinforced plastic laminate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63141730A true JPS63141730A (en) | 1988-06-14 |
Family
ID=17730597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28846886A Pending JPS63141730A (en) | 1986-12-03 | 1986-12-03 | Reinforced plastic laminate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63141730A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06106667A (en) * | 1992-09-25 | 1994-04-19 | Ikeda Bussan Co Ltd | Interior base material |
| US7147027B2 (en) | 2001-04-06 | 2006-12-12 | Sony Corporation | Plate for hot pressing, hot press device, and card manufacturing device |
-
1986
- 1986-12-03 JP JP28846886A patent/JPS63141730A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06106667A (en) * | 1992-09-25 | 1994-04-19 | Ikeda Bussan Co Ltd | Interior base material |
| US7147027B2 (en) | 2001-04-06 | 2006-12-12 | Sony Corporation | Plate for hot pressing, hot press device, and card manufacturing device |
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