JP2002307616A - Composite molded product - Google Patents
Composite molded productInfo
- Publication number
- JP2002307616A JP2002307616A JP2001115510A JP2001115510A JP2002307616A JP 2002307616 A JP2002307616 A JP 2002307616A JP 2001115510 A JP2001115510 A JP 2001115510A JP 2001115510 A JP2001115510 A JP 2001115510A JP 2002307616 A JP2002307616 A JP 2002307616A
- Authority
- JP
- Japan
- Prior art keywords
- resin layer
- thermoplastic resin
- composite sheet
- composite
- composite molded
- 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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、建物の軒樋、縦樋
等の複合成形品に係り、特に、強化繊維を熱可塑性樹脂
で被覆した、伸縮しにくく変形しにくい複合成形品に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a composite molded product such as an eaves gutter or a vertical gutter of a building, and more particularly to a composite molded product in which a reinforcing fiber is covered with a thermoplastic resin and which is hardly stretched and deformed.
【０００２】[0002]
【従来の技術】従来、建物の屋根の周囲に取付けられる
軒樋として、最も一般的なものは、硬質塩化ビニル樹脂
を所定の断面形状に押出し成形したものがある。この塩
化ビニル樹脂製の軒樋は、製造が容易で、低コストで製
造できるメリットがある。また、強化繊維を使用して軒
樋を形成した複合成形品としては、特開平１１−１９９
９８４号公報に記載の複合成形品がある。この複合成形
品は、熱可塑性樹脂と強化繊維とからなる複合シートが
所要断面形状に賦形され、かつ、その表面に熱可塑性樹
脂が押出被覆された構造を持ち、少なくともその賦形部
分に強化短繊維がランダム配向されているものであり、
賦形に際して裂け等の発生がなく、強度的にも優れた構
造を持ち、特に軒樋等の樋に適した複合成形品である。2. Description of the Related Art Heretofore, the most common eaves gutter attached around the roof of a building is formed by extruding a rigid vinyl chloride resin into a predetermined cross-sectional shape. This eaves gutter made of vinyl chloride resin has an advantage that it can be easily manufactured and manufactured at low cost. Further, as a composite molded product in which an eaves gutter is formed using reinforcing fibers, Japanese Patent Application Laid-Open No. 11-199
No. 984 discloses a composite molded article. This composite molded article has a structure in which a composite sheet composed of a thermoplastic resin and reinforcing fibers is formed into a required cross-sectional shape, and the surface thereof is extrusion-coated with a thermoplastic resin, and at least the formed part is reinforced. Short fibers are randomly oriented,
It is a composite molded product that has no cracks or the like during forming and has an excellent strength, and is particularly suitable for gutters such as eaves gutters.
【０００３】[0003]
【発明が解決しようとする課題】ところで、前記の塩化
ビニル樹脂製の軒樋は、低コストで製造できるが耐熱性
に乏しく、線膨張係数が大きいため、四季の気温変化や
昼夜の温度差により軒樋が変形・伸縮し、継手から脱落
することがあり、軒樋が変形して蛇行し、見栄えが悪く
なるという問題点があった。また、後者の複合成形品
は、ランダム配向されたカーボン繊維芯材を使用してお
り、その表面は凹凸であるため、その凹凸が被覆してい
る熱可塑性樹脂に転写され、外観上凹凸が生じる虞があ
った。これを防ぐため、被覆樹脂を厚くすると重量が増
し、線膨張係数は複合成形品の肉厚に関係するため、熱
可塑性樹脂の厚みにより線膨張係数が大きくなって品質
を損なうという問題があった。本発明は、このような問
題に鑑みてなされたものであって、その目的とするとこ
ろは、線膨張係数を小さくできるため伸縮しにくく、強
化繊維の凹凸が表面に現れず外観が優れており、耐候性
に優れると共に、プラスチックの廃材を有効に利用でき
る軒樋等の複合成形品を提供することにある。By the way, the above-mentioned vinyl chloride resin eaves gutter can be manufactured at low cost but has poor heat resistance and a large coefficient of linear expansion. There is a problem that the eaves gutter may be deformed / expanded and fall off from the joint, and the eaves gutter may be deformed and meandered, resulting in poor appearance. In addition, the latter composite molded article uses a randomly oriented carbon fiber core material, and its surface is uneven, so the unevenness is transferred to the covering thermoplastic resin, and the unevenness appears on the appearance There was a fear. To prevent this, if the coating resin is thickened, the weight increases, and the linear expansion coefficient is related to the thickness of the composite molded product. Therefore, there is a problem that the thickness of the thermoplastic resin increases the linear expansion coefficient and deteriorates the quality. . The present invention has been made in view of such a problem, and its object is to reduce the coefficient of linear expansion, so that it is difficult to expand and contract, and the appearance of the reinforcing fibers is not excellent on the surface without any irregularities. Another object of the present invention is to provide a composite molded article such as an eave gutter having excellent weather resistance and capable of effectively utilizing waste plastic materials.
【０００４】[0004]
【課題を解決するための手段】前記目的を達成すべく、
本発明に係る複合成形品は、熱可塑性樹脂と強化繊維と
を備える複合シートを所定の断面形状に造形し、複合シ
ートの一面側に熱可塑性樹脂層を形成し、複合シートの
他面側に一面側に形成した熱可塑性樹脂層と異なる熱可
塑性樹脂層を形成することを特徴とする。造形により、
例えば樋の断面形状とし、その外面、内面に熱可塑性樹
脂層を形成して樋とする。また、本発明に係る複合成形
品の好ましい具体的な態様としては、一面側に形成され
た熱可塑性樹脂層は表面側が高耐候性樹脂層であり、そ
の内面が熱可塑性発泡樹脂層であることを特徴としてい
る。さらに、本発明に係る複合成形品の好ましい具体的
な他の態様としては、他面側に形成された熱可塑性樹脂
層は、熱可塑性樹脂の廃材で形成することを特徴として
いる。In order to achieve the above object,
The composite molded article according to the present invention is obtained by forming a composite sheet including a thermoplastic resin and a reinforcing fiber into a predetermined cross-sectional shape, forming a thermoplastic resin layer on one side of the composite sheet, and forming the thermoplastic resin layer on the other side of the composite sheet. It is characterized in that a thermoplastic resin layer different from the thermoplastic resin layer formed on one surface side is formed. By modeling,
For example, the gutter has a cross-sectional shape, and a thermoplastic resin layer is formed on its outer and inner surfaces to form a gutter. Further, as a preferred specific embodiment of the composite molded article according to the present invention, the thermoplastic resin layer formed on one surface side is a high weather resistant resin layer on the surface side, and the inner surface is a thermoplastic foamed resin layer. It is characterized by. Further, as another preferable specific specific embodiment of the composite molded article according to the present invention, the thermoplastic resin layer formed on the other surface side is formed of waste thermoplastic resin.
【０００５】このように構成された本発明の複合成形品
は、複合シートの一面側に熱可塑性樹脂層を形成し、他
面側に異なる熱可塑性樹脂層を形成したので、例えば、
外面側の熱可塑性樹脂層を見栄えの良い樹脂で形成し、
内面側の熱可塑性樹脂層を低コストの樹脂で形成する
と、商品価値を下げずにコストを下げることができる。
また強度が高く、温度差による伸縮が少なく、変形しに
くい樋等の複合成形品を提供できる。[0005] In the composite molded article of the present invention thus constituted, a thermoplastic resin layer is formed on one side of the composite sheet and a different thermoplastic resin layer is formed on the other side.
Form the thermoplastic resin layer on the outer surface with good-looking resin,
When the inner thermoplastic resin layer is formed of a low-cost resin, the cost can be reduced without reducing the commercial value.
Further, it is possible to provide a composite molded article such as a gutter which has high strength, is less likely to expand and contract due to a temperature difference, and is hardly deformed.
【０００６】外面側の熱可塑性樹脂層は、表面側が高耐
候性樹脂層であり、その内面が熱可塑性発泡樹脂層であ
るため、ランダム配向させた強化繊維の芯材を使用して
も表面に凹凸が表れることなく外観が優れ、軽量で高意
匠性の複合成形品を得ることができる。また線膨張係数
を小さくできるので、温度差による収縮を小さくでき
る。内面側の熱可塑性樹脂層を廃材で形成することによ
り、機能的にも外観上も問題なく樹脂廃材を有効利用す
ることができる。The outer surface of the thermoplastic resin layer has a high weather resistance resin layer on the surface side and a thermoplastic foamed resin layer on the inner surface. It is possible to obtain a lightweight, highly-designed composite molded product having excellent appearance without unevenness. Further, since the coefficient of linear expansion can be reduced, contraction due to a temperature difference can be reduced. By forming the thermoplastic resin layer on the inner surface side with a waste material, the resin waste material can be effectively used without any problem in terms of function and appearance.
【０００７】[0007]
【発明の実施の形態】以下、本発明に係る複合成形品の
一実施形態を図面に基づき詳細に説明する。図１は、本
実施形態に係る複合成形品の断面図である。図１におい
て、複合成形品である軒樋１は、断面形状が底面部１ａ
と、底面部の前端から上方に向けて延出する前面部１ｂ
と、底面部の後端から上方に向けて延出する後面部１ｃ
とを備えており、前面部１ｂの上端に後方に向けて開口
する補強部１ｄが、後面部１ｃの上端に前方に向けて開
口する補強部１ｅが形成され、全体として断面が上方に
拡開して開口する略コ字状をしている。軒樋１は熱可塑
性樹脂と強化繊維とからなる複合シート２を略コ字状の
断面形状に造形し、芯材となる複合シート２の一面側
（外面側）に熱可塑性樹脂層３を形成し、複合シート２
の他面側（内面側）に熱可塑性樹脂層３と異なる熱可塑
性樹脂層４を形成し、複合シート２の両面を被覆してい
る。BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, an embodiment of a composite molded product according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a cross-sectional view of the composite molded product according to the present embodiment. In FIG. 1, the eaves gutter 1, which is a composite molded product, has a cross-sectional shape of a bottom portion 1a.
And a front part 1b extending upward from the front end of the bottom part
And a rear surface portion 1c extending upward from the rear end of the bottom surface portion
A reinforcing portion 1d opening rearward is formed at the upper end of the front portion 1b, and a reinforcing portion 1e opening forward is formed at the upper end of the rear portion 1c. It has a substantially U-shape that opens. The eaves gutter 1 forms a composite sheet 2 made of a thermoplastic resin and a reinforcing fiber into a substantially U-shaped cross-sectional shape, and forms a thermoplastic resin layer 3 on one surface side (outer surface side) of the composite sheet 2 serving as a core material. And composite sheet 2
A thermoplastic resin layer 4 different from the thermoplastic resin layer 3 is formed on the other surface side (inner surface side), and covers both surfaces of the composite sheet 2.
【０００８】複合シート２は、例えばカーボン繊維を熱
可塑性樹脂で被覆してシート状に形成しており、５〜５
０μｍの繊維径で、１００μｍ〜１ｃｍの繊維長のもの
がランダム配向されて使用され、厚さが０．３〜１ｍｍ
程度に形成されている。熱可塑性樹脂層３，４として
は、塩化ビニル樹脂、アクリル樹脂、ＰＥＴ（ポリエチ
レンテレフタレート）、ＰＰ（ポリプロピレン）、ＰＥ
（ポリエチレン）、ナイロン等が使用される。複合シー
ト２は、液体含浸により形成する他に、熱可塑性シート
を短繊維状にして、これを強化短繊維とエアー撹拌によ
り混合した状態で、加熱・加圧によりシート状に成形す
る等の方法を採用することができる。The composite sheet 2 is formed in a sheet shape by, for example, coating carbon fibers with a thermoplastic resin.
With a fiber diameter of 0 μm, a fiber length of 100 μm to 1 cm is used with random orientation, and a thickness of 0.3 to 1 mm
It is formed to the extent. As the thermoplastic resin layers 3 and 4, vinyl chloride resin, acrylic resin, PET (polyethylene terephthalate), PP (polypropylene), PE
(Polyethylene), nylon and the like are used. In addition to forming the composite sheet 2 by liquid impregnation, a method of forming a thermoplastic sheet into a short fiber, mixing this with a reinforced short fiber by air agitation, and forming the sheet into a sheet by heating and pressing is used. Can be adopted.
【０００９】この複合シート２を、図１の断面に示すよ
うに、底面２ａの前後端から上方に拡開するように延出
して前面２ｂ、後面２ｃを形成し、前面の上端に後方に
向けて開口する断面コ字状の凹部２ｄを形成し、後面の
上端に前方に向けて開口する断面コ字状の凹部２ｅを形
成する。そして、複合シート２を芯材として、その外面
側に熱可塑性樹脂層３を形成し、内面側に熱可塑性樹脂
層３と異なる熱可塑性樹脂層４を形成し、複合シート２
を被覆している。As shown in the cross section of FIG. 1, the composite sheet 2 extends upward from the front and rear ends of the bottom surface 2a to form a front surface 2b and a rear surface 2c. A concave portion 2d having a U-shaped cross section is formed, and a concave portion 2e having a U-shaped cross section is formed at the upper end of the rear surface. Then, using the composite sheet 2 as a core material, a thermoplastic resin layer 3 is formed on the outer surface thereof, and a thermoplastic resin layer 4 different from the thermoplastic resin layer 3 is formed on the inner surface thereof.
Is coated.
【００１０】外面側の熱可塑性樹脂層３は表面側が高耐
候性樹脂層３ａであり、その内面が熱可塑性発泡樹脂層
３ｂである。高耐候性樹脂層３ａは、厚さが０．０５〜
０．３ｍｍ程度の耐候性の良い樹脂層で、ＰＭＭＡ（ポ
リメタクリル酸メチル）、ＡＥＳ（アクリロニトリルエ
チレンゴム共重合体）、ＡＡＳ（アクリロニトリルアク
リルゴム共重合体）、ＡＳ（アクリロニトリルスチレ
ン）等のアクリル系の樹脂が使用される。高耐候性樹脂
層３ａは、太陽の日射による変質が少なく、温度差によ
る変質が少なく、酸性雨や排気ガス等の影響を受けにく
い樹脂が使用される。The outer surface of the thermoplastic resin layer 3 has a highly weather-resistant resin layer 3a on the surface side and a thermoplastic foamed resin layer 3b on the inner surface. The high weather resistance resin layer 3a has a thickness of 0.05 to
A resin layer with good weather resistance of about 0.3 mm, such as PMMA (polymethyl methacrylate), AES (acrylonitrile ethylene rubber copolymer), AAS (acrylonitrile acrylic rubber copolymer), AS (acrylonitrile styrene), etc. Is used. The high weather resistant resin layer 3a is made of a resin that is less likely to be deteriorated by solar radiation, has less deterioration due to a temperature difference, and is less affected by acid rain, exhaust gas, and the like.
【００１１】熱可塑性発泡樹脂層３ｂは、例えば重曹系
のガス発泡剤や、ＡＤＣＡ（アゾジカルボンアミド）系
の発泡剤を熱可塑性樹脂に０．３〜３Ｐｈｒ程度添加し
ている。これにより、発泡倍率が１．１から３倍程度と
なる。複合シート２の外面側は雨水が流れないため発泡
樹脂でも全く問題なく、軒樋の軽量化が図れ、線膨張係
数が大きくなることはない。The thermoplastic foamed resin layer 3b contains, for example, about 0.3 to 3 Phr of a baking soda-based gas foaming agent or an ADCA (azodicarbonamide) -based foaming agent to the thermoplastic resin. Thereby, the expansion ratio becomes about 1.1 to 3 times. Since rainwater does not flow on the outer surface side of the composite sheet 2, there is no problem even with foamed resin, the eaves gutter can be reduced in weight, and the coefficient of linear expansion does not increase.
【００１２】内面側に形成された熱可塑性樹脂層４は、
熱可塑性樹脂の廃材を粉砕した原料を使用している。廃
材としては、例えば市場での雨樋廃材を用いている。こ
の内面側の熱可塑性樹脂層４は、外観上施工状態では見
えない樹脂層であり、複合シート２を被覆して保護する
機能を有すれば、色や表面の多少の凹凸は問題となら
ず、雨水が円滑に流動すれば全く問題とはならない。軒
樋１の補強部１ｄ，１ｅと熱可塑性樹脂層４との間は、
中空部５，５となっている。The thermoplastic resin layer 4 formed on the inner surface side
Raw materials obtained by pulverizing thermoplastic resin waste materials are used. As the waste material, for example, rain gutter waste material in a market is used. The thermoplastic resin layer 4 on the inner surface side is a resin layer that cannot be seen in an externally applied state. If the thermoplastic resin layer 4 has a function of covering and protecting the composite sheet 2, the color and some irregularities on the surface do not matter. If the rainwater flows smoothly, there is no problem at all. Between the reinforcing portions 1d and 1e of the eaves gutter 1 and the thermoplastic resin layer 4,
Hollow portions 5 and 5 are provided.
【００１３】前記の如く構成された本実施形態の複合成
形品である軒樋１の製造について、図２〜４を参照して
説明する。図２は、図１の複合成形品の製造工程を示す
概略断面図、図３は芯材形成装置の概略構成図、図４は
芯材造形押出し被覆装置の概略構成図である。前記した
軒樋１は、図３に示す芯材形成装置１０と、図４に示す
芯材造形押出し被覆装置２０を使用して製造することが
できる。芯材形成装置１０は、ランダムに配向した強化
繊維と、例えば粒状の熱可塑性樹脂を混合したマットＭ
を繰り出す繰り出し機１１と、該繰り出し機から繰り出
されたマットＭを加熱して熱可塑性樹脂を溶融させる加
熱炉１２と、該加熱炉から出てきたマットＭを加熱・加
圧する加熱プレスロール１３，１３と、該加熱プレスロ
ールの下流に配置された冷却プレスロール１４と、該冷
却プレスロールから出てきた複合シート２を巻き取る巻
取り機１５を備えている。複合シート２は、図２（ａ）
に示されるように平板状で、前記したように厚さは０．
３〜１ｍｍ程度に形成されている。The manufacture of the eaves gutter 1 which is a composite molded product of the present embodiment configured as described above will be described with reference to FIGS. 2 is a schematic cross-sectional view showing a manufacturing process of the composite molded article of FIG. 1, FIG. 3 is a schematic configuration diagram of a core material forming device, and FIG. 4 is a schematic configuration diagram of a core material forming extrusion coating device. The above-mentioned eaves gutter 1 can be manufactured using the core material forming apparatus 10 shown in FIG. 3 and the core material forming extrusion coating apparatus 20 shown in FIG. The core material forming apparatus 10 includes a mat M in which randomly oriented reinforcing fibers are mixed with, for example, a granular thermoplastic resin.
, A heating furnace 12 for heating the mat M fed from the feeder to melt the thermoplastic resin, a heating press roll 13 for heating and pressurizing the mat M coming out of the heating furnace, 13, a cooling press roll 14 disposed downstream of the heating press roll, and a winding machine 15 for winding the composite sheet 2 coming out of the cooling press roll. The composite sheet 2 is shown in FIG.
And a thickness of 0.1 mm as described above.
It is formed to about 3 to 1 mm.
【００１４】芯材造形押出し被覆装置２０は、芯材形成
装置１０から得られた複合シート２を巻回したロールか
ら、複合シート２を繰り出す繰り出し機２１と、繰り出
し機から繰り出された複合シート２を所定の断面形状に
造形する造形装置２２と、所定形状に造形された複合シ
ート２の表裏両面に熱可塑性樹脂を押出して樹脂層を形
成して複合シートを被覆する押出し被覆金型２３と、該
被覆金型から出てきた積層体Ｗを冷却してサイジングす
る冷却サイジング装置２４と、該冷却サイジング装置か
ら得られる積層体Ｗを引き取る引取機２５を備えてい
る。積層体Ｗは、この後、切断装置２６で所定の長さに
切断され、軒樋１となる。The core forming extrusion coating apparatus 20 includes a feeder 21 for feeding the composite sheet 2 from a roll around which the composite sheet 2 obtained from the core forming apparatus 10 is wound, and a composite sheet 2 fed from the feeder. A molding apparatus 22 for molding the composite sheet 2 into a predetermined cross-sectional shape, an extrusion coating mold 23 for forming a resin layer by extruding a thermoplastic resin on both front and back surfaces of the composite sheet 2 molded into a predetermined shape, and covering the composite sheet, A cooling sizing device 24 for cooling and sizing the laminate W coming out of the coating die, and a take-off device 25 for taking the laminate W obtained from the cooling sizing device are provided. Thereafter, the laminate W is cut into a predetermined length by the cutting device 26 to form the eaves gutter 1.
【００１５】造形装置２２で所定の断面形状に形造られ
た複合シート２は、図２（ｂ）のように上方に向けて拡
開して開口する略コ字状の状態となる。そして、押出し
被覆金型２３を通過して、外面、内面に熱可塑性樹脂層
３，４が形成され、図２（ｃ）の状態となる。外面側の
熱可塑性樹脂層３は、表面側に高耐候性樹脂層３ａが、
その内面に熱可塑性発泡樹脂層３ｂが積層状態に形成さ
れる。また、内面側の熱可塑性樹脂層４は、押出し被覆
金型２３の内面側に熱可塑性樹脂の廃材が供給されて形
成され、金型の中子により中空部５，５が形成される。
芯材造形押出し被覆装置２０は、例えばローラやブロッ
ク状のシューにより、複合シートを徐々に所定の断面形
状に形作って造形し、複合シートの内外面に樹脂層を形
成して被覆する装置であり、必要に応じて複合シートを
加熱したり、局部的に加熱したり、全体的に加熱して所
定の断面形状に造形し、樹脂層で被覆して成形してもよ
い。The composite sheet 2 formed into a predetermined cross-sectional shape by the shaping device 22 is in a substantially U-shape state that opens upward and opens as shown in FIG. 2B. Then, the resin passes through the extrusion coating mold 23, and the thermoplastic resin layers 3 and 4 are formed on the outer surface and the inner surface, and the state shown in FIG. The thermoplastic resin layer 3 on the outer surface side has a highly weather-resistant resin layer 3a on the surface side,
On its inner surface, a thermoplastic foamed resin layer 3b is formed in a laminated state. The thermoplastic resin layer 4 on the inner surface side is formed by supplying a waste material of the thermoplastic resin to the inner surface side of the extrusion coating mold 23, and the hollow portions 5 and 5 are formed by the core of the mold.
The core material forming extrusion coating apparatus 20 is an apparatus that gradually forms and forms a composite sheet into a predetermined cross-sectional shape using, for example, a roller or a block-shaped shoe, and forms and coats a resin layer on the inner and outer surfaces of the composite sheet. If necessary, the composite sheet may be heated, locally heated, or entirely heated to form a predetermined cross-sectional shape, covered with a resin layer, and formed.
【００１６】なお、複合シートを所定の断面形状に造形
する例として、２辺に沿って折曲げて造形する例を示し
たが、折曲げに限られず、例えば長辺に沿って断面が半
円弧状に湾曲させて造形してもよく、目的の形状に造形
できれば、どのような形状でもよい。また、本発明にか
かる複合成形品は、前記した軒樋に限らず、円柱状の縦
樋やパイプ等にも適用できると共に、窓枠の枠材や、床
材、天井材等の平板材にも適用できるものである。強化
繊維として、カーボン繊維の例を示したが、ガラス繊
維、金属繊維、アラミド繊維、綿繊維等、適宜のものを
使用することができる。As an example of forming the composite sheet into a predetermined cross-sectional shape, an example in which the composite sheet is bent along two sides has been described. However, the present invention is not limited to bending, and for example, the cross-section may be semicircular along the long side. The object may be formed by being curved in an arc shape, and may have any shape as long as the object can be formed into a desired shape. Further, the composite molded product according to the present invention can be applied not only to the above-mentioned eaves gutter but also to a column-shaped vertical gutter or a pipe, and also to a frame material of a window frame, a flat material such as a floor material and a ceiling material. Is also applicable. As the reinforcing fiber, an example of a carbon fiber has been described, but an appropriate fiber such as a glass fiber, a metal fiber, an aramid fiber, and a cotton fiber can be used.
【００１７】[0017]
【発明の効果】以上の説明から理解できるように、本発
明の複合成形品は、複合シートを所定の断面形状に造形
し、造形された複合シートの一面側に熱可塑性樹脂層
を、他面側に一面側の熱可塑性樹脂層と異なる熱可塑性
樹脂層を形成したので、低コストで見栄えを良くでき、
高意匠性の複合成形品を得ることができる。また、外面
側の熱可塑性樹脂層を、表面側の高耐候性樹脂層と、そ
の内面の熱可塑性発泡樹脂層とから構成したので、軽量
で外観が優れ、線膨張係数が小さくでき温度差による伸
縮が少なく、高強度を達成することができる。さらに、
内面側の熱可塑性樹脂層に廃材を利用しても、複合成形
品の外観、機能に問題なく、樹脂廃材を有効利用でき
る。As can be understood from the above description, in the composite molded article of the present invention, the composite sheet is formed into a predetermined cross-sectional shape, and a thermoplastic resin layer is formed on one side of the formed composite sheet, and on the other side. Because a thermoplastic resin layer different from the thermoplastic resin layer on the one side is formed on the side, it can improve the appearance at low cost,
A highly designed composite molded article can be obtained. In addition, the thermoplastic resin layer on the outer surface is composed of a highly weather-resistant resin layer on the surface side and a thermoplastic foamed resin layer on the inner surface, so it is lightweight and has excellent appearance, the coefficient of linear expansion can be reduced, and the temperature difference can be reduced. Less expansion and contraction and high strength can be achieved. further,
Even if the waste material is used for the thermoplastic resin layer on the inner surface side, the resin waste material can be effectively used without any problem in the appearance and function of the composite molded article.
【図１】本発明に係る複合成形品の一実施形態の断面
図。FIG. 1 is a sectional view of an embodiment of a composite molded product according to the present invention.
【図２】図１の複合成形品の製造工程を示す概略断面
図。FIG. 2 is a schematic cross-sectional view showing a manufacturing process of the composite molded article of FIG.
【図３】芯材形成装置の概略構成図。FIG. 3 is a schematic configuration diagram of a core material forming apparatus.
【図４】芯材造形押出し被覆装置の概略構成図。FIG. 4 is a schematic configuration diagram of a core material forming extrusion coating apparatus.
１ 軒樋（複合成形品）、 ２ 複合シート、３ 熱可
塑性樹脂層、 ３ａ 高耐候性樹脂層、３ｂ 熱可塑性
発泡樹脂層、４ 熱可塑性樹脂層、１０ 芯材形成装
置、２０ 芯材造形押出し被覆装置1 eave gutter (composite molded product), 2 composite sheet, 3 thermoplastic resin layer, 3a high weather resistant resin layer, 3b thermoplastic foamed resin layer, 4 thermoplastic resin layer, 10 core material forming device, 20 core material forming extrusion Coating equipment
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｂ２９Ｋ 105:04 Ｂ２９Ｋ 105:04 105:26 105:26 Ｂ２９Ｌ 7:00 Ｂ２９Ｌ 7:00 9:00 9:00 Ｆターム(参考） 4F100 AK01A AK01B AK01C AK04 AK07 AK14 AK25 AK27 AK42 AK46 BA03 BA07 BA10B BA10C DG01A DH02A DJ01C EC03 EC032 EJ19 EJ192 EJ42 EJ422 EJ50 EJ502 GB08 JB16A JB16B JB16C JK08 JL09B 4F207 AA50 AG01 AG03 AG20 AH46 KA01 KA11 KA17 KB13 KB26──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) B29K 105: 04 B29K 105: 04 105: 26 105: 26 B29L 7:00 B29L 7:00 9:00 9: 00 F-term (reference) 4F100 AK01A AK01B AK01C AK04 AK07 AK14 AK25 AK27 AK42 AK46 BA03 BA07 BA10B BA10C DG01A DH02A DJ01C EC03 EC032 EJ19 EJ192 EJ42 EJ422 EJ50 EJ502 GB08 JB16AJBJJB16A08KB
Claims (4)
シートを所定の断面形状に造形し、前記複合シートの一
面側に熱可塑性樹脂層を形成し、前記複合シートの他面
側に前記一面側に形成した熱可塑性樹脂層と異なる熱可
塑性樹脂層を形成することを特徴とする複合成形品。1. A composite sheet comprising a thermoplastic resin and a reinforcing fiber is formed into a predetermined cross-sectional shape, a thermoplastic resin layer is formed on one side of the composite sheet, and the one side is formed on the other side of the composite sheet. A composite molded article characterized by forming a thermoplastic resin layer different from the thermoplastic resin layer formed on the side.
は、表面側が高耐候性樹脂層であり、その内面が熱可塑
性発泡樹脂層であることを特徴とする請求項１記載の複
合成形品。2. The composite molding according to claim 1, wherein the thermoplastic resin layer formed on one surface side is a highly weather-resistant resin layer on the surface side and a thermoplastic foamed resin layer on the inner surface. Goods.
は、熱可塑性樹脂の廃材で形成することを特徴とする請
求項１又は２記載の複合成形品。3. The composite molded article according to claim 1, wherein the thermoplastic resin layer formed on the other surface side is formed of waste thermoplastic resin.
複合成形品は、樋であることを特徴とする複合成形品。4. The composite molded product according to claim 1, wherein the composite molded product is a gutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001115510A JP2002307616A (en) | 2001-04-13 | 2001-04-13 | Composite molded product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001115510A JP2002307616A (en) | 2001-04-13 | 2001-04-13 | Composite molded product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002307616A true JP2002307616A (en) | 2002-10-23 |
Family
ID=18966398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001115510A Pending JP2002307616A (en) | 2001-04-13 | 2001-04-13 | Composite molded product |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002307616A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006104116A1 (en) * | 2005-03-28 | 2006-10-05 | Toray Industries, Inc. | Biaxially oriented polyester film and metal-like laminated films |
| KR100854288B1 (en) | 2008-06-09 | 2008-08-26 | 윤경숙 | Waste pet recycle process and that material and manufacture device |
| WO2010067655A1 (en) * | 2008-12-09 | 2010-06-17 | パナソニック電工株式会社 | Eaves trough and method for manufacturing same |
| JP2021101083A (en) * | 2019-12-24 | 2021-07-08 | 三協立山株式会社 | Resin building material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59104919U (en) * | 1982-12-29 | 1984-07-14 | 松下電工株式会社 | eaves gutter |
| JPH0740481A (en) * | 1993-07-29 | 1995-02-10 | Sekisui Chem Co Ltd | Long composite building material and its manufacture |
| JPH07180299A (en) * | 1993-12-24 | 1995-07-18 | Sekisui Chem Co Ltd | Fiber composite thermoplastic resin rain gutter |
-
2001
- 2001-04-13 JP JP2001115510A patent/JP2002307616A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59104919U (en) * | 1982-12-29 | 1984-07-14 | 松下電工株式会社 | eaves gutter |
| JPH0740481A (en) * | 1993-07-29 | 1995-02-10 | Sekisui Chem Co Ltd | Long composite building material and its manufacture |
| JPH07180299A (en) * | 1993-12-24 | 1995-07-18 | Sekisui Chem Co Ltd | Fiber composite thermoplastic resin rain gutter |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006104116A1 (en) * | 2005-03-28 | 2006-10-05 | Toray Industries, Inc. | Biaxially oriented polyester film and metal-like laminated films |
| US7964265B2 (en) | 2005-03-28 | 2011-06-21 | Toray Industries, Inc. | Biaxially oriented polyester film and metallic laminated film |
| JP4968064B2 (en) * | 2005-03-28 | 2012-07-04 | 東レ株式会社 | Biaxially oriented polyester film and metallic laminate film |
| KR100854288B1 (en) | 2008-06-09 | 2008-08-26 | 윤경숙 | Waste pet recycle process and that material and manufacture device |
| WO2010067655A1 (en) * | 2008-12-09 | 2010-06-17 | パナソニック電工株式会社 | Eaves trough and method for manufacturing same |
| WO2010067423A1 (en) * | 2008-12-09 | 2010-06-17 | パナソニック電工株式会社 | Rain gutter comprising multilayer extruded product and process for producing the rain gutter |
| CN102245844B (en) * | 2008-12-09 | 2015-11-25 | 松下电器产业株式会社 | Rain gutter and manufacture method thereof |
| JP2021101083A (en) * | 2019-12-24 | 2021-07-08 | 三協立山株式会社 | Resin building material |
| JP7272942B2 (en) | 2019-12-24 | 2023-05-12 | 三協立山株式会社 | resin building materials |
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