JPH09174651A - Device and method for manufacturing composite sheet - Google Patents

Device and method for manufacturing composite sheet

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Publication number
JPH09174651A
JPH09174651A JP7339421A JP33942195A JPH09174651A JP H09174651 A JPH09174651 A JP H09174651A JP 7339421 A JP7339421 A JP 7339421A JP 33942195 A JP33942195 A JP 33942195A JP H09174651 A JPH09174651 A JP H09174651A
Authority
JP
Japan
Prior art keywords
resin
composite
flow
sheet
flow paths
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
Application number
JP7339421A
Other languages
Japanese (ja)
Inventor
Michisuke Edamatsu
通介 枝松
Yasuo Hiromoto
泰夫 広本
Osamu Kawai
治 川合
Hideo Yamada
英夫 山田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Rayon Co Ltd
Original Assignee
Mitsubishi Rayon Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Rayon Co Ltd filed Critical Mitsubishi Rayon Co Ltd
Priority to JP7339421A priority Critical patent/JPH09174651A/en
Publication of JPH09174651A publication Critical patent/JPH09174651A/en
Pending legal-status Critical Current

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  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

PROBLEM TO BE SOLVED: To manufacture efficiently a composite resin sheet of good scattering prevention properties, light fastness, outer appearance and the like while securing the transparency, resistance to weather and the like. SOLUTION: A manufacturing device comprises a composite resin flow path of the given width in the X direction, given thickness in the Y direction and given length in the Z direction and having a composite flow forming section on one end and an outlet on the other end in the Z direction, and a plurality of flow paths 31 for flowing resin (b) for forming resin lines into a composite flow forming section in the Z direction and two flow paths for flowing resin (a) for a base resin sheet from both sides of an XZ plane at the given angle (a) to the XZ plane into the composite flow forming section. A composite sheet manufacturing device in which the XZ section of the shape of disposing alternately sections of Rn and Ln having the large height in the Z direction and sections Rm and Lm having the small (including 0) height in the Z direction, and respective flow paths 31 are disposed on the positions on which Rm and Lm are facing each other, and a manufacturing method with the device is provided.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明はシート状の樹脂層の
内部に樹脂条が筋状に埋設されてなる複合樹脂シートの
製造装置及び製造方法に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a manufacturing apparatus and a manufacturing method of a composite resin sheet in which a resin strip is embedded in a stripe shape inside a sheet-shaped resin layer.

【0002】[0002]

【従来の技術】透明な熱可塑性樹脂と透明な熱可塑性樹
脂とを共押出して、透明部分と不透明部分とを交互に多
数積層した遮光板やライトコントロ−ルフィルムが知ら
れている(特開昭58-22135号公報、特開昭61-125846号
公報、特開平2-18503号公報)。
2. Description of the Related Art A light-shielding plate and a light control film in which a transparent thermoplastic resin and a transparent thermoplastic resin are co-extruded and a large number of transparent portions and opaque portions are alternately laminated are known (Japanese Patent Laid-Open Publication No. Sho. 58-22135, JP 61-125846, JP 2-18503).

【0003】[0003]

【発明が解決しようとする課題】しかしながら従来の共
押出法による複合樹脂シートの賦形では、樹脂流路の断
面形状が積層される樹脂層の断面形状と同一の形状を有
する押出機が使用されていた。また、これらシ−ト状物
において、透明樹脂と不透明樹脂との積層方向はシ−ト
の幅方向であって、且つ積層体の厚み方向は複合シ−ト
の幅方向に一致する構造のものであった。更に、基体と
なる樹脂シ−ト中に複数の樹脂条が埋設された形状の複
合シ−トは知られていなかった。
However, in shaping a composite resin sheet by a conventional co-extrusion method, an extruder having a cross-sectional shape of a resin flow path and a cross-sectional shape of a laminated resin layer is used. Was there. Further, in these sheets, those in which the transparent resin and the opaque resin are laminated in the width direction of the sheet and the thickness direction of the laminate coincides with the width direction of the composite sheet. Met. Further, a composite sheet having a shape in which a plurality of resin strips are embedded in a resin sheet serving as a substrate has not been known.

【0004】本発明はかかる状況に鑑みなされたもので
あり、熱可塑性樹脂の押出成形によりシート状樹脂層の
透明性、耐久性等に優れ、しかも意匠性、遮光性、視界
制御性等の諸機能が具現化され、かつ外観が良好である
複合樹脂シートを極めて簡便に製造することを可能なら
しめる製造装置及び製造方法を提供するものである。
The present invention has been made in view of the above circumstances, and has excellent transparency, durability, etc. of a sheet-shaped resin layer formed by extrusion molding of a thermoplastic resin, and has various design characteristics, light-shielding characteristics, visibility controllability, etc. It is an object of the present invention to provide a manufacturing apparatus and a manufacturing method that make it possible to extremely easily manufacture a composite resin sheet having a function realized and a good appearance.

【0005】[0005]

【課題を解決するための手段】本発明の要旨は、X方向
に所定の幅、Y方向に所定の厚み及びZ方向に所定の長
さを有し、Z方向の一端に複合流形成部(22)を他端
に出口(23)を有する複合樹脂流路(21)、複合流
形成部(22)において樹脂条用の樹脂bをZ方向に向
かって流入させるための複数の流路(31)、XZ平面
の両側からYZ平面に対して所定の角度αをもって、複
合流形成部(22)に基体樹脂シ−ト用の樹脂aを流入
させるための2つの流路(41)及び(42)からな
り、流路(41)及び(42)のXZ断面における形状
はZ方向の高さが大きい部分Rn及びLnとZ方向の高
さが小さい部分(零を含む)Rm及びLmとが交互に配
置された形状を有しており、複数の流路(31)の各々
が、Rm及びLmとが対向する位置に配置されてなる複
合シートの製造装置にある。
The gist of the present invention is to have a predetermined width in the X direction, a predetermined thickness in the Y direction, and a predetermined length in the Z direction, and a composite flow forming portion ( 22) has a composite resin flow path (21) having an outlet (23) at the other end, and a plurality of flow paths (31) for allowing the resin b for the resin strip to flow in the Z direction in the composite flow forming part (22). ), Two flow paths (41) and (42) for allowing the resin a for the base resin sheet to flow into the composite flow forming portion (22) from both sides of the XZ plane at a predetermined angle α with respect to the YZ plane. ), The shape of the flow paths (41) and (42) in the XZ cross section is such that portions Rn and Ln having a large height in the Z direction and portions Rm and Lm having a small height in the Z direction are included. And each of the plurality of flow paths (31) has a shape of Rm and Lm. It is arranged in a position opposed to in the manufacturing apparatus of the composite sheet.

【0006】また本発明の要旨は、前記の装置を用い
て、樹脂条B用の樹脂bを複数の流路(31)から複合
流形成部(22)に流入させると共に、基体樹脂シ−ト
A用の樹脂aを2つの流路(41)及び(42)から複
合流形成部(22)に流入させて樹脂aの流動作用によ
って樹脂条Bの断面形状を扁平状に変形させ、次いで出
口(23)から流出した複合シ−トを引き取ることを特
徴とする基体樹脂シ−トA中に複数の扁平形状の樹脂条
Bが配置された複合シートの製造方法にある。
Further, the gist of the present invention is to use the above-mentioned apparatus to allow the resin b for the resin strip B to flow into the composite flow forming section (22) from a plurality of flow paths (31) and to make the base resin sheet. The resin a for A is made to flow into the composite flow forming part (22) from the two flow paths (41) and (42), and the cross-sectional shape of the resin strip B is deformed into a flat shape by the flow action of the resin a, and then the outlet. (23) The composite sheet flowing out from (23) is collected, and there is provided a method for producing a composite sheet in which a plurality of flat resin strips B are arranged in a base resin sheet A.

【0007】[0007]

【発明の実施の形態】本発明の装置において、X方向は
複合シ−トの幅方向に、Y方向は複合シ−トの厚み方向
に、またZ方向は複合シ−トの進行方向に一致する。Z
方向は図3に示すように鉛直方向に、または図2に示す
ように水平方向に取ることができる。
In the apparatus of the present invention, the X direction corresponds to the width direction of the composite sheet, the Y direction corresponds to the thickness direction of the composite sheet, and the Z direction corresponds to the traveling direction of the composite sheet. To do. Z
The orientation can be vertical as shown in FIG. 3 or horizontal as shown in FIG.

【0008】この装置は複合流形成部(22)における
基体樹脂シ−ト用の樹脂aを流入させるための2つの流
路(41)及び(42)の形状及び配置に大きな特徴が
ある。
This device is characterized by the shape and arrangement of the two flow paths (41) and (42) through which the resin a for the base resin sheet in the composite flow forming section (22) flows.

【0009】先ず、流路(41)及び(42)はYZ平
面に対して所定の角度αをもって配置されている。ま
た、流路(41)及び(42)のXZ断面における形状
は、Z方向の高さが大きい部分Rn及びLnとZ方向の
高さが小さい部分Rm及びLmとが交互に配置された形
状を有している。更に複数の流路(31)の各々が、R
m及びLmとが対向する位置に配置されている。
First, the flow paths (41) and (42) are arranged at a predetermined angle α with respect to the YZ plane. Further, the shape of the flow paths (41) and (42) in the XZ section is a shape in which portions Rn and Ln having a large height in the Z direction and portions Rm and Lm having a small height in the Z direction are alternately arranged. Have Further, each of the plurality of flow paths (31) is
It is arranged at a position where m and Lm face each other.

【0010】樹脂b用の複数の流路(31)の断面形状
は円形が最も一般的であるが、四角形、三角形、六角形
等の種種の形状をとることができる。
The cross-sectional shape of the plurality of flow passages (31) for the resin b is most generally circular, but various shapes such as quadrangle, triangle and hexagon can be adopted.

【0011】シート状の樹脂層Aを形成するための樹脂
aが第1押出機により賦形ヘッド内に溶融押出され、第
1流路を通って第1定量ポンプに至り、また、樹脂条B
を形成するための樹脂bが第2押出機により同賦形ヘッ
ド内に溶融押出され、第2流路を通って第2定量ポンプ
に至る(図1)。樹脂aはダイパック内に設けられた分
配ノズルによって2つの流路(13)、(16)に分配
され、また、樹脂bはダイパック内に設けられた分配ノ
ズルによって複数の流路(31)に分配される(図
3)。樹脂bは、同一水平面内に形成された複数の流路
(31)から複合流形成部(21)内に吐出され、所定
の形状、寸法、配列等を有する複数の樹脂条の流れを形
成する。一方、樹脂aは、複合流形成部(22)に複数
の流路から吐出された樹脂bの複数の樹脂条を両側から
挟み込むようにして樹脂条をその内部に埋設しながら複
合樹脂流を形成して出口(23)から押出される。この
複合樹脂流は、冷却ロール群により引き取られてシ−ト
状に賦形された後に、シ−ト状物がシート切断機(1
5)により所定長さに切断される。
The resin a for forming the sheet-shaped resin layer A is melt-extruded into the shaping head by the first extruder, reaches the first metering pump through the first flow path, and the resin strip B is used.
The resin b for forming the resin is melt-extruded into the shaping head by the second extruder and reaches the second metering pump through the second flow path (FIG. 1). The resin a is distributed to the two flow paths (13) and (16) by the distribution nozzle provided in the die pack, and the resin b is distributed to the plurality of flow paths (31) by the distribution nozzle provided in the die pack. (Fig. 3). The resin b is discharged into the composite flow forming part (21) from the plurality of flow paths (31) formed in the same horizontal plane, and forms a plurality of resin strip flows having a predetermined shape, size, arrangement, and the like. . On the other hand, the resin a forms a composite resin flow while burying the resin strip inside the composite stream forming portion (22) so as to sandwich the resin strips of the resin b discharged from the plurality of channels from both sides. And is extruded from the outlet (23). This composite resin flow is taken up by a cooling roll group and shaped into a sheet, and then the sheet-like material is cut into a sheet cutting machine (1
It is cut to a predetermined length by 5).

【0012】複合流形成部(21)においては流路(4
1)、(42)のYZ平面に対する傾斜角度αに基づく
樹脂aの流動作用より、樹脂条bはXY平面内において
その断面形状が所望の形状に変形させられる。傾斜角度
αは90度以下の任意の値を採りうるが70度以下程度
であることが好ましい。
In the composite flow forming section (21), the flow path (4
Due to the flow action of the resin a based on the inclination angle α of 1) and (42) with respect to the YZ plane, the cross section of the resin strip b is deformed into a desired shape in the XY plane. The inclination angle α can take any value of 90 degrees or less, but is preferably about 70 degrees or less.

【0013】以下、図面を参照しつつ本発明を詳細に説
明する。図1〜図4は本発明の複合樹脂シートを製造す
る装置と方法の一態様を概要で示しており、図1及び図
2は装置全体の概略平面図及び側面図、図3及び図4は
同装置の内部構造例を示す水平断面図及び縦断面図であ
る。図5は、図4のII−II線方向からの斜視図であ
る。図6は本発明の代表的な実施例である製造装置にお
ける樹脂流路を示しており、図6は図4に示すIII-III
線の矢視断面図である。
The present invention will be described in detail below with reference to the drawings. 1 to 4 schematically show one embodiment of an apparatus and method for producing a composite resin sheet of the present invention, FIGS. 1 and 2 are schematic plan and side views of the entire apparatus, and FIGS. 3 and 4 are It is a horizontal sectional view and a vertical sectional view showing an example of an internal structure of the device. FIG. 5 is a perspective view taken along the line II-II of FIG. FIG. 6 shows a resin flow path in a manufacturing apparatus which is a typical embodiment of the present invention, and FIG. 6 shows III-III shown in FIG.
It is a sectional view taken along the line.

【0014】この装置では、樹脂b用の複数の流路(3
1)の断面形状は円形であり、これらの流路(31)は
X方向に所定間隔をもって配置されている。
In this device, a plurality of flow paths (3
The cross-sectional shape of 1) is circular, and these flow paths (31) are arranged at a predetermined interval in the X direction.

【0015】図6において、流路(41)のLn、L
m、及び(42)のRn、RmのX方向における相対的
な位置は、傾斜角αに対応する分だけずれている。X方
向におけるLnとRnの長さは等しく、またLmとRm
の長さも等しい。Z方向における△Lnと△Rnの高さ
は等しく、また△Lmと△Rmの高さも等しい。樹脂a
の流量及び流速はこれら流路の幅と高さによって決定さ
れる。
In FIG. 6, Ln and L of the flow path (41)
The relative positions of m and Rn and Rm in (42) in the X direction are displaced by an amount corresponding to the inclination angle α. Ln and Rn have the same length in the X direction, and Lm and Rm
Are equal in length. The heights of ΔLn and ΔRn in the Z direction are equal, and the heights of ΔLm and ΔRm are also equal. Resin a
The flow rate and the flow velocity of the are determined by the width and height of these flow paths.

【0016】上述の実施例にあっても同様であるが、こ
のときの樹脂条Bの厚みt、幅wは、樹脂bの粘度と樹
脂aの粘度の差を適宜制御することにより調節可能であ
る。樹脂aの粘度に対して樹脂bの粘度が低ければ低い
ほど樹脂条Bの厚みtは薄く幅wは大きくなり、また、
樹脂bが高粘度であるほど厚みtは厚く幅wはちいさく
なる。
The same applies to the above embodiment, but the thickness t and width w of the resin strip B at this time can be adjusted by appropriately controlling the difference between the viscosity of the resin b and the viscosity of the resin a. is there. The lower the viscosity of the resin b with respect to the viscosity of the resin a, the thinner the thickness t of the resin strip B and the larger the width w, and
The higher the viscosity of the resin b, the thicker the thickness t and the smaller the width w.

【0017】図7は、図6に対して複合樹脂流路の下流
の位置における樹脂条Bの断面形状を示している。流路
(31)から円形状で流出された樹脂bは、図6の矢印
で示される樹脂aの流動作用によって偏平状に変形され
る。この装置を用いると樹脂条Bは複合シ−トの表面に
対して所定の角度をなして配置される。尚、図7におい
ては、樹脂条Bの位置関係を理解しやすくするためにこ
の位置より上流にある流路(41)、(42)の位置が
便宜的に書き込まれ、合成されている。
FIG. 7 shows a cross-sectional shape of the resin strip B at a position downstream of the composite resin flow path with respect to FIG. The resin b flowing out in a circular shape from the flow path (31) is deformed into a flat shape by the flow action of the resin a shown by the arrow in FIG. With this apparatus, the resin strip B is arranged at a predetermined angle with respect to the surface of the composite sheet. Incidentally, in FIG. 7, in order to facilitate understanding of the positional relationship of the resin strip B, the positions of the flow paths (41) and (42) upstream of this position are conveniently written and combined.

【0018】また、樹脂条Bが樹脂層Aの厚み方向に対
して傾斜する角度θは、傾斜角α、各流路の幅、高さ、
樹脂の粘度、各樹脂の流速等を適宜変えることにより自
由に設定出来る。
The angle θ at which the resin strip B is inclined with respect to the thickness direction of the resin layer A is the inclination angle α, the width and height of each flow path,
It can be freely set by appropriately changing the viscosity of the resin, the flow rate of each resin, and the like.

【0019】流路(31)の断面形状は製作加工の容易
さの点から円形等の単純な形状とることが好ましいが、
必要に応じて長円形、矩形、その他の異形な断面形状と
することができる。更には各種の断面形状のものを組合
せて配列することもできる。
The cross-sectional shape of the flow path (31) is preferably a simple shape such as a circle in view of ease of manufacturing and processing.
If necessary, the shape can be an elliptical shape, a rectangular shape, or another irregular cross-sectional shape. Further, it is also possible to combine and arrange those having various sectional shapes.

【0020】本発明において樹脂aとしては、例えば、
ポリカーボネート、ポリスチレン、ポリ塩化ビニル、ポ
リエチレンテレフタレート、ポリメチルメタクリレート
等のアクリル樹脂、ポリプロピレン、ポリエチレン、フ
ッ素系樹脂、ジェン系樹脂、、これらの共重合体樹脂、
或いはブレンド樹脂等が用いられれ。遮音シートや遮光
シートのような、透明性、耐候性が要求されるもので
は、アクリル樹脂が特に好ましい材料といえる。
In the present invention, the resin a is, for example,
Polycarbonate, polystyrene, polyvinyl chloride, polyethylene terephthalate, acrylic resin such as polymethylmethacrylate, polypropylene, polyethylene, fluorine resin, gen resin, copolymer resin of these,
Alternatively, a blend resin or the like is used. Acrylic resin can be said to be a particularly preferable material for materials that require transparency and weather resistance, such as sound insulation sheets and light shielding sheets.

【0021】また、樹脂bとしては、上記に掲げる樹脂
と同様の樹脂を用いることができる。特に、基体シート
樹脂が破砕された時の飛散、落下の防止を必要とする場
合は、オレフィン系樹脂をベースとした樹脂成分の組合
せが好適である。また、視界制御性を付与するためや、
意匠シートのように複合樹脂シートの美観向上のために
は、樹脂b中にカ−ボンブラックやその他の有機、無機
の染料や顔料を添加して用いることができる。
Further, as the resin b, the same resins as those listed above can be used. In particular, when it is necessary to prevent scattering and dropping when the base sheet resin is crushed, a combination of resin components based on an olefin resin is suitable. Also, to add visibility control,
In order to improve the appearance of the composite resin sheet such as a design sheet, carbon black or other organic or inorganic dye or pigment can be added to the resin b for use.

【0022】[0022]

【実施例】以下実施例により本発明を説明する。 実施例1 樹脂aとしてポリメチルメタクリレート(三菱レイヨン
株製、アクリペットVH)を、又、樹脂bとしてポリメ
チルメタクリレート(同上)にカーボンブラックを混練
したものを用意した。複合流形成部の構造は図6、図7
に示す装置を用いた。複数の流路(31)は吐出口の内
径が1.6mmで、吐出口中心相互の間隔は5mmであ
る。ΔRmとΔLmを0.5mm、ΔRnとΔLnを
1.5mmとし、Rm部とLm部の幅を2.5mm、R
n部とLn部の幅を2.5mmとした。流路(41)及
び(42)のYZ平面に対する傾斜角は45度とした。
EXAMPLES The present invention will be described below with reference to examples. Example 1 A resin a prepared by kneading polymethylmethacrylate (Acrypet VH, manufactured by Mitsubishi Rayon Co., Ltd.) and a resin b prepared by kneading polymethylmethacrylate (same as above) with carbon black were prepared. The structure of the composite flow forming part is shown in FIGS.
The apparatus shown in was used. The inner diameters of the plurality of flow paths (31) are 1.6 mm, and the distance between the centers of the discharge ports is 5 mm. ΔRm and ΔLm are 0.5 mm, ΔRn and ΔLn are 1.5 mm, and the width of the Rm portion and the Lm portion is 2.5 mm and R
The width of the n portion and the Ln portion was set to 2.5 mm. The inclination angle of the channels (41) and (42) with respect to the YZ plane was 45 degrees.

【0023】樹脂aを第1押出機1中で溶融してノズル
9に供給し、一方、樹脂bを第2押出機2中で溶融混練
して分配ダイ7、第2樹脂層賦形ダイ8を通過させて流
路(31)より吐出した。
The resin a is melted in the first extruder 1 and supplied to the nozzle 9, while the resin b is melt-kneaded in the second extruder 2 and distributed to the distribution die 7 and the second resin layer shaping die 8. Was discharged from the flow path (31).

【0024】賦型温度を250℃として樹脂aと樹脂b
を同時押出成形して、5mm厚×50cm巾の複合樹脂
シートを連続的に製造した。
Resin a and resin b are set at a shaping temperature of 250 ° C.
Was co-extruded to continuously produce a composite resin sheet having a thickness of 5 mm and a width of 50 cm.

【0025】得られた複合シートは透明な基体シ−ト中
に鮮明なブラックのストライプ模様を有する複合シート
であり、樹脂条Bの厚みは0.2〜0.3mm、幅は4
mmであり、複合シート面に対する角度は約45°であ
った。また各樹脂条の中心間の間隔は5mmであった。
The obtained composite sheet is a composite sheet having a clear black stripe pattern in a transparent base sheet, and the resin strip B has a thickness of 0.2 to 0.3 mm and a width of 4 mm.
mm, and the angle to the composite sheet surface was about 45 °. The distance between the centers of the resin strips was 5 mm.

【0026】サンシャインウエザーメーターによる83
℃雨降りの条件で500時間暴露する耐候性試験を実施
したところ、樹脂層Aは無色透明のままであった。
83 by sunshine weather meter
When a weather resistance test was performed in which the resin layer was exposed to rain for 500 hours, the resin layer A remained colorless and transparent.

【0027】実施例2 樹脂bとしてポリエチレン(三井石油化学株製、ハイゼ
ックス2200J)を用い、その他の条件は実施例1と
同様にして5mm厚×50cm巾の複合樹脂シートを連
続的に製造した。
Example 2 Polyethylene (HIZEX 2200J, manufactured by Mitsui Petrochemical Co., Ltd.) was used as the resin b, and the other conditions were the same as in Example 1 to continuously produce a composite resin sheet having a thickness of 5 mm and a width of 50 cm.

【0028】得られた複合シートは透明な基体シ−ト中
に鮮明なストライプ模様を有する複合シートであり、樹
脂条Bの厚みは0.2〜0.3mm、幅は4mmであ
り、複合シート面に対する角度は45度であった。
The obtained composite sheet is a composite sheet having a clear stripe pattern in a transparent base sheet, and the resin strip B has a thickness of 0.2 to 0.3 mm and a width of 4 mm. The angle to the plane was 45 degrees.

【0029】得られた複合樹脂シートを15cm×15cm
に切断してサンプルとし、同サンプルを水平に静置し、
1kgの鋼球を1m の高さからサンプル中心部に落下さ
せ、サンプルのクラック発生に伴う飛散の有無を観察し
た。この結果、クラツク発生はあったものの破砕片等の
飛散は観察されなかった。
The resulting composite resin sheet is 15 cm × 15 cm
Cut it into a sample, and leave the sample horizontally,
A 1 kg steel ball was dropped from a height of 1 m to the center of the sample, and the presence or absence of scattering due to cracking of the sample was observed. As a result, although cracks were generated, scattering of crushed pieces and the like was not observed.

【0030】また、サンシャインウエザーメーターによ
る83℃雨降りの条件で500時間暴露する耐候性試験
を実施したところ、樹脂層Aは無色透明のままであっ
た。
Further, a weather resistance test was conducted by exposing the resin layer A to rain at 83 ° C. for 500 hours using a sunshine weather meter. As a result, the resin layer A remained colorless and transparent.

【0031】[0031]

【発明の効果】本発明の装置または製法によれば透明
性、耐候性等を確保しつつ、かつ飛散防止性、遮光性、
外観等の良好な複合樹脂シートを効率よく製造すること
ができる。
EFFECTS OF THE INVENTION According to the apparatus or the manufacturing method of the present invention, the transparency, weather resistance and the like are secured, and the scattering prevention property, the light shielding property, the
It is possible to efficiently manufacture a composite resin sheet having a good appearance and the like.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の方法を実施する装置例の全体を概略で
示す平面図である。
FIG. 1 is a plan view schematically showing an entire apparatus example for carrying out the method of the present invention.

【図2】同装置の正面図である。FIG. 2 is a front view of the same device.

【図3】同口金装置の水平断面図である。FIG. 3 is a horizontal sectional view of the mouthpiece device.

【図4】図3におけるI−I線の矢視断面図である。4 is a cross-sectional view taken along the line I-I in FIG.

【図5】本発明の第1実施例を示す図4におけるII−
II線の矢視断面図である。
FIG. 5 shows II- in FIG. 4 showing the first embodiment of the present invention.
FIG. 11 is a sectional view taken along the line II.

【図6】本発明の実施例を示す樹脂層の樹脂流出口にお
ける部分断面図である。
FIG. 6 is a partial cross-sectional view of a resin layer at a resin outlet according to an embodiment of the present invention.

【図7】図6のIV−IV線の端面図である。FIG. 7 is an end view taken along line IV-IV in FIG.

【図8】実施例1による樹脂条の変形機構を示す説明図
である。
FIG. 8 is an explanatory diagram showing a resin strip deformation mechanism according to the first embodiment.

【図9】実施例1で製造された複合シートの断面図であ
る。
FIG. 9 is a cross-sectional view of the composite sheet manufactured in Example 1.

【図10】本発明の装置で製造される他の複合シートの
断面図である。
FIG. 10 is a sectional view of another composite sheet manufactured by the apparatus of the present invention.

【符号の説明】[Explanation of symbols]

1,2 第1及び第2押出機 3,4 第1及び第2定量ポンプ 5 賦形ヘッド 6 ダイパック 7 分配ノズル 8 樹脂条賦形ノズル 11、12 第1及び第2樹脂流路 13、14 押出流路 15 シート切断機 21 複合樹脂流路 22 複合流形成部 31 樹脂条用の樹脂bの流路 41、42 樹脂aの流路 1, 2 1st and 2nd extruders 3, 4 1st and 2nd metering pumps 5 shaping heads 6 die packs 7 distribution nozzles 8 resin strip shaping nozzles 11, 12 first and second resin flow paths 13, 14 extrusion Flow path 15 Sheet cutting machine 21 Composite resin flow path 22 Composite flow forming section 31 Flow path of resin b for resin strip 41, 42 Flow path of resin a

フロントページの続き (72)発明者 山田 英夫 広島県大竹市御幸町20番1号 三菱レイヨ ン株式会社大竹事業所内Front page continuation (72) Inventor Hideo Yamada 20-1 Miyukicho, Otake City, Hiroshima Prefecture Mitsubishi Rayon Co., Ltd. Otake Office

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 X方向に所定の幅、Y方向に所定の厚み
及びZ方向に所定の長さを有し、Z方向の一端に複合流
形成部(22)を他端に出口(23)を有する複合樹脂
流路(21)、複合流形成部(22)において樹脂条用
の樹脂bをZ方向に向かって流入させるための複数の流
路(31)、XZ平面の両側からYZ平面に対して所定
の角度αをもって、複合流形成部(22)に基体樹脂シ
−ト用の樹脂aを流入させるための2つの流路(41)
及び(42)からなり、流路(41)及び(42)のX
Z断面における形状はZ方向の高さが大きい部分Rn及
びLnとZ方向の高さが小さい部分(零を含む)Rm及
びLmとが交互に配置された形状を有しており、複数の
流路(31)の各々が、Rm及びLmとが対向する位置
に配置されてなる複合シートの製造装置。
1. A composite flow forming portion (22) having a predetermined width in the X direction, a predetermined thickness in the Y direction and a predetermined length in the Z direction, and an outlet (23) at the other end. A composite resin flow path (21) having a plurality of flow paths (31) for allowing the resin b for the resin strip to flow in the Z direction in the composite flow forming portion (22), from both sides of the XZ plane to the YZ plane. On the other hand, two flow paths (41) for allowing the resin a for the base resin sheet to flow into the composite flow forming portion (22) at a predetermined angle α.
And (42), and X of the flow paths (41) and (42)
The shape in the Z section has a shape in which portions Rn and Ln having a large height in the Z direction and portions Rm and Lm having a small height in the Z direction are alternately arranged. An apparatus for manufacturing a composite sheet in which each of the paths (31) is arranged at a position where Rm and Lm face each other.
【請求項2】 請求項1に記載の装置を用いて、樹脂条
B用の樹脂bを複数の流路(31)から複合流形成部
(22)に流入させると共に、基体樹脂シ−トA用の樹
脂aを2つの流路(41)及び(42)から複合流形成
部(22)に流入させて樹脂aの流動作用によって樹脂
条Bの断面形状を扁平状に変形させ、次いで出口(2
3)から流出した複合シ−トを引き取ることを特徴とす
る基体樹脂シ−トA中に複数の扁平形状の樹脂条Bが配
置された複合シートの製造方法。
2. The apparatus according to claim 1, wherein the resin b for the resin strip B is caused to flow into the composite flow forming portion (22) from a plurality of flow paths (31), and the base resin sheet A is used. Resin a for use in the composite flow forming portion (22) from the two flow paths (41) and (42) to deform the cross section of the resin strip B into a flat shape by the flow action of the resin a, and then to the outlet ( Two
3) A method for producing a composite sheet in which a plurality of flat resin strips B are arranged in a base resin sheet A, characterized in that the composite sheet flowing out from the sheet is taken out.
JP7339421A 1995-12-26 1995-12-26 Device and method for manufacturing composite sheet Pending JPH09174651A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7339421A JPH09174651A (en) 1995-12-26 1995-12-26 Device and method for manufacturing composite sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7339421A JPH09174651A (en) 1995-12-26 1995-12-26 Device and method for manufacturing composite sheet

Publications (1)

Publication Number Publication Date
JPH09174651A true JPH09174651A (en) 1997-07-08

Family

ID=18327317

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7339421A Pending JPH09174651A (en) 1995-12-26 1995-12-26 Device and method for manufacturing composite sheet

Country Status (1)

Country Link
JP (1) JPH09174651A (en)

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