JP2004322361A

JP2004322361A - Method for manufacturing five-layered coextrusion foamed composite sheet

Info

Publication number: JP2004322361A
Application number: JP2003117139A
Authority: JP
Inventors: Zuiyo Cho; 瑞洋張
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-04-22
Filing date: 2003-04-22
Publication date: 2004-11-18

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a five-layered coextrusion foamed composite sheet. <P>SOLUTION: The five-layered coextrusion foamed composite sheet is equipped with a resin foamed layer being an intermediate layer, hard resin layers for respectively covering both surface layers of the resin foamed layer and the bonding layers especially provided between the resin foamed layer and the hard resin layers because the resin foamed layer and the hard resin layers are impossible to bond. This composite sheet is reduced in weight by 30-50% as compared with a conventional one and the structural strength of the surface thereof is sharply enhanced and the surface hue thereof is improved. The resin foamed layer and the hard resin layers comprise an engineering plastic and the compounding of the composite sheet is once completed according to a coextrusion molding system by adding the bonding layers at the time of production to reduce a processing cost. A recovered raw material is mixed into the intermediate layer to satisfy a demand for the protection of environment. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【０００１】
【発明の属する技術分野】
本発明は一種の五層共同押し出し発泡複合板の製造方法に係り、特に、三部の押出機を利用して同期に構成層を押し出して複合し、第１部の押出機で中間層の樹脂発泡層（全厚さの７５％を占める）を、第２部の押出機で両表層の硬質樹脂層（全厚さの２０％を占める）を、第３部の押出機で結合層（全厚さの５％を占める）をそれぞれ押し出し、全部で５層の共同押し出し複合板を形成し、加熱加圧一体成型により、３０％〜５０％の重量を減らし、機械強度と物理剛性靱性を高め、また、回収再生原料を使用し、減量と資源再利用の目的を達成する、五層共同押し出し発泡複合板の製造方法に関する。
【０００２】
【従来の技術】
現在、書類ファイル、物品容器、或いは旅行鞄等を製造するのには、一般に単一層のＡＢＳ無発泡板材が使用されているが、重量が重く、且つ脆弱で、強度が低く、強い衝撃力、摩擦力に耐えられず、表面が磨損しやすいという問題を有している。
【０００３】
【発明が解決しようとする課題】
本発明は従来の技術の問題を鑑み、それを克服した一種の五層共同押し出し発泡複合板の製造方法を提供することを課題としている。
【０００４】
【課題を解決するための手段】
請求項１の発明は、中間層の樹脂発泡層を具えた五層共同押し出し発泡複合板の製造方法において、共同押し出し方式で中間層の樹脂発泡層と、その両表面をそれぞれ被覆する結合層、結合層の外表面を被覆する硬質樹脂層を形成したことを特徴とする、五層共同押し出し発泡複合板の製造方法としている。
請求項２の発明は、請求項１記載の五層共同押し出し発泡複合板の製造方法において、樹脂発泡層と硬質樹脂層がエンジニアリングプラスチックと非エンジニアリングプラスチックよりそれぞれ選択され、結合層によりこの二種類の異なる性質を有する樹脂が緊密に結合されて一体とされたことを特徴とする、五層共同押し出し発泡複合板の製造方法としている。
請求項３の発明は、請求項１記載の五層共同押し出し発泡複合板の製造方法において、樹脂発泡層が回収再生材料で組成されたことを特徴とする、五層共同押し出し発泡複合板の製造方法としている。
請求項４の発明は、請求項１記載の五層共同押し出し発泡複合板の製造方法において、樹脂発泡層の厚さが全体厚さの７５％を占め、硬質樹脂層の厚さが全体厚さの２０％を占め、結合層の厚さが全体厚さの５％を占めることを特徴とする、五層共同押し出し発泡複合板の製造方法としている。
【０００５】
【発明の実施の形態】
本発明は一種の五層共同押し出し発泡複合板の製造方法を提供し、該五層共同押し出し発泡複合板は、中間層の比較的厚い樹脂発泡層、及び該樹脂発泡層の両表面層に設置された比較的薄い硬質樹脂板、樹脂発泡層と硬質樹脂層の間に加えられた結合層を具えている。該結合層は、樹脂発泡層と硬質樹脂層が二種類の異なる材質の樹脂に属するために順調に結合できない問題を解決するために樹脂発泡層と硬質樹脂層の間に加えられ、二種類の異なる性質の樹脂層を緊密に結合させて一体となす。
【０００６】
本発明の提供する複合樹脂板の重量は従来の技術に較べて３０％から５０％軽減され、表面の構造強度は大幅に増加し、共同押し出し方式で一体成型されて、物品ファイル、物品容器、旅行鞄の製造に適用される。
【０００７】
【実施例】
本発明の五層共同押し出し発泡複合板の製造方法については図１、２を参照されたい。該五層共同押し出し発泡複合板１は、中間層である樹脂発泡層２と、この中間層の樹脂発泡層２の両表層をそれぞれ被覆する硬質樹脂層３と、中間層の樹脂発泡層２と二つの表層の硬質樹脂層３の間にそれぞれ設けられた結合層４を具えている。該中間の樹脂発泡層２と両表層の硬質樹脂層３は結合不能であるが、結合層４の加入により一体に結合される。
【０００８】
五層共同押し出し発泡複合板１を製造する時、三部の押出機を利用し同期に各層を押し出して複合する。第１部の押出機は中間層の樹脂発泡層２（厚さが全厚さの７５％を占める）を、第２部の押出機で両表層の硬質樹脂層３（全厚さの２０％を占める）を、第３部の押出機で結合層４（全厚さの５％を占める）をそれぞれ押し出す。
【０００９】
該五層共同押し出し発泡複合板１の樹脂発泡層２にはＡＢＳ＋ＰＣ、ＰＳ、ＰＰ、ＰＥ、ＰＡ、ＥＶＡ、ＰＥＴ、ＰＣ、ＰＶＣその他の各種の発泡可能の樹脂類が使用されて中間層とされる。
【００１０】
該五層共同押し出し発泡複合板１の硬質樹脂層３には、ＰＣ、ＰＰ、ＰＥ、ＰＥＴ、ＰＳ、ＥＶＡ、ＰＡ、ＰＯＭその他の樹脂が使用されて両表層とされる。
【００１１】
該五層共同押し出し発泡複合板１の結合層４にはＴＰＥ、ＥＶＯＨ、ＬＤＰＥ等粘性を有する樹脂が使用されて中間層と両表層の接合層とされる。
【００１２】
例えば、該五層共同押し出し発泡複合板１の中間層がＡＢＳ＋ＰＣの樹脂発泡層２とされ、両表層がＰＣの硬質樹脂層３とされ、結合層４がＥＶＯＨ或いは改質ＴＰＥが使用され、これにより伝統的な単一層のＡＢＳ無発泡板に較べ、３０％〜５０％の重量を減らせ、且つ機械強度と物理剛性靱性を高めることができ、伝統的な単一層のＡＢＳ無発泡板よりも大幅に性能を高めることができ、並びに原料使用量を減らし、回収再生原料を使用でき（中間層の樹脂発泡層２に中間層全体重量の２０％から７０％の回収再生原料を使用できる）、有効に生産コストを減らし、並びに環境保護に対して相当の貢献を有する。
【００１３】
本発明の製造方法により製造された五層共同押し出し発泡複合板は、実際の応用上、旅行かばん５（図３、４）、書類ファイル６（図５）、バインダー７（図６）、アルバム８（図７）、蓋付き箱９（図８）の製造に用いられる。
【００１４】
【発明の効果】
総合すると、本発明が提供する五層共同押し出し発泡複合板の製造方法は、本発明者が実際に製造完成し、反復操作試験を行ったところ、本発明の予期された機能効果を達成することが実証された。また、本発明はこれまでにない新規な発明であり、産業上の利用価値を有し、特許の要件に符合する。
【図面の簡単な説明】
【図１】本発明の立体組合せ表示図である。
【図２】本発明の断面組合せ表示図である。
【図３】本発明を使用して製造した旅行かばんの斜視図である。
【図４】本発明を使用して製造した旅行かばんの局部断面図である。
【図５】本発明を使用して製造した文書ファイルの斜視図である。
【図６】本発明を使用して製造したバインダーの斜視図である。
【図７】本発明を使用して製造したアルバムの斜視図である。
【図８】本発明を使用して製造した蓋付き箱の斜視図である。
【符号の説明】
１五層共同押し出し発泡複合板
２樹脂発泡層
３硬質樹脂層
４結合層
５旅行かばん
６書類ファイル
７バインダー
８アルバム
９蓋付き箱[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a method of manufacturing a five-layer co-extruded foam composite board, and in particular, simultaneously extrudes and composites constituent layers using a three-part extruder, and uses a first-part extruder to form an intermediate resin layer. The foamed layer (occupying 75% of the total thickness), the hard resin layers of both surfaces (occupying 20% of the total thickness) in the second part of the extruder, and the bonding layer (all of the total thickness) in the third part of the extruder Each occupy 5% of the thickness), forming a co-extruded composite plate of 5 layers in total, reducing the weight of 30% -50% by heat and pressure integral molding, increasing the mechanical strength and physical rigidity toughness Also, the present invention relates to a method for producing a five-layer co-extruded foam composite board which uses the recovered and recycled raw materials to achieve the objects of weight reduction and resource reuse.
[0002]
[Prior art]
At present, a single-layer ABS non-foamed board is generally used to manufacture a document file, an article container, or a luggage, but it is heavy, fragile, low in strength, strong in impact, It has a problem that it cannot withstand frictional force and its surface is easily worn away.
[0003]
[Problems to be solved by the invention]
An object of the present invention is to provide a method for producing a five-layer co-extruded foam composite board that overcomes the problems of the prior art.
[0004]
[Means for Solving the Problems]
The invention of claim 1 is a method for manufacturing a five-layer co-extruded foam composite board provided with a resin foam layer of an intermediate layer, wherein a resin foam layer of an intermediate layer is formed by a co-extrusion method, and a bonding layer covering both surfaces thereof, A method for producing a five-layer co-extruded foam composite plate, comprising forming a hard resin layer covering the outer surface of the bonding layer.
According to a second aspect of the present invention, in the method for producing a five-layer co-extruded foam composite board according to the first aspect, the resin foam layer and the hard resin layer are selected from engineering plastics and non-engineering plastics, respectively. A method for manufacturing a five-layer co-extruded foam composite plate, characterized in that resins having different properties are tightly bonded and integrated.
According to a third aspect of the present invention, there is provided the method for producing a five-layer co-extruded composite foam according to the first aspect, wherein the resin foam layer is composed of a recycled material. And how to do it.
According to a fourth aspect of the present invention, in the method for producing a five-layer co-extruded foam composite board according to the first aspect, the thickness of the resin foam layer occupies 75% of the entire thickness and the thickness of the hard resin layer is the entire thickness. , And the thickness of the bonding layer occupies 5% of the total thickness.
[0005]
BEST MODE FOR CARRYING OUT THE INVENTION
The present invention provides a method for manufacturing a five-layer co-extruded foam composite board, wherein the five-layer co-extruded foam composite board is provided on a relatively thick resin foam layer of an intermediate layer and on both surface layers of the resin foam layer. And a bonding layer added between the resin foam layer and the hard resin layer. The bonding layer is added between the resin foam layer and the hard resin layer in order to solve the problem that the resin foam layer and the hard resin layer cannot be smoothly bonded because the resin foam layer and the hard resin layer belong to two kinds of resins. Resin layers of different properties are tightly bonded together to form one.
[0006]
The weight of the composite resin plate provided by the present invention is reduced by 30% to 50% as compared with the prior art, the structural strength of the surface is greatly increased, and it is integrally molded by co-extrusion method, so that an article file, an article container, Applies to the manufacture of luggage.
[0007]
【Example】
Please refer to FIGS. 1 and 2 for the method for producing the five-layer co-extruded foam composite board of the present invention. The five-layer co-extruded foam composite board 1 includes a resin foam layer 2 as an intermediate layer, a hard resin layer 3 covering both surface layers of the resin foam layer 2 as an intermediate layer, and a resin foam layer 2 as an intermediate layer. A bonding layer 4 is provided between the two surface hard resin layers 3. The intermediate resin foam layer 2 and the two hard resin layers 3 cannot be joined, but are joined together by the addition of the joining layer 4.
[0008]
When the five-layer co-extruded foam composite board 1 is manufactured, each layer is extruded and compounded using a three-part extruder. The extruder of the first part uses the intermediate resin foam layer 2 (thickness occupies 75% of the total thickness), and the extruder of the second part uses the hard resin layers 3 (20% of the total thickness) of both surface layers. Are extruded with the extruder of the third part, respectively, and the bonding layer 4 (occupying 5% of the total thickness) is extruded.
[0009]
ABS + PC, PS, PP, PE, PA, EVA, PET, PC, PVC and other various foamable resins are used for the resin foam layer 2 of the five-layer co-extruded foam composite board 1 to form an intermediate layer. You.
[0010]
PC, PP, PE, PET, PS, EVA, PA, POM and other resins are used for the hard resin layer 3 of the five-layer co-extruded foam composite board 1 to form both surfaces.
[0011]
For the bonding layer 4 of the five-layer co-extruded foam composite board 1, a resin having viscosity such as TPE, EVOH, LDPE is used to form a bonding layer between the intermediate layer and both surface layers.
[0012]
For example, an intermediate layer of the five-layer co-extruded foam composite board 1 is a resin foam layer 2 of ABS + PC, both surface layers are a hard resin layer 3 of PC, and a bonding layer 4 is made of EVOH or modified TPE. Compared to traditional single-layer ABS non-foamed board, it can reduce weight by 30% -50% and increase mechanical strength and physical rigidity toughness compared to traditional single-layer ABS non-foamed board. The performance can be improved, the amount of raw materials used can be reduced, and recovered and recycled materials can be used (recovered and recycled materials of 20% to 70% of the total weight of the intermediate layer can be used for the intermediate resin foam layer 2). It has a significant contribution to reducing production costs as well as environmental protection.
[0013]
The five-layer co-extruded foam composite board manufactured by the manufacturing method of the present invention is practically applied to a luggage bag 5 (FIGS. 3 and 4), a document file 6 (FIG. 5), a binder 7 (FIG. 6), and an album 8 (FIG. 7), used for manufacturing the box with lid 9 (FIG. 8).
[0014]
【The invention's effect】
Taken together, the method for producing a five-layer co-extruded foam composite board provided by the present invention achieves the expected functional effects of the present invention when the inventor actually manufactures and completes it and performs repeated operation tests. Has been demonstrated. Further, the present invention is a novel invention that has never been seen before, has industrial utility value, and meets the requirements of patents.
[Brief description of the drawings]
FIG. 1 is a three-dimensional combination display diagram of the present invention.
FIG. 2 is a cross-sectional combination display diagram of the present invention.
FIG. 3 is a perspective view of a luggage manufactured using the present invention.
FIG. 4 is a partial cross-sectional view of a luggage manufactured using the present invention.
FIG. 5 is a perspective view of a document file manufactured using the present invention.
FIG. 6 is a perspective view of a binder manufactured using the present invention.
FIG. 7 is a perspective view of an album manufactured using the present invention.
FIG. 8 is a perspective view of a box with a lid manufactured using the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Five-layer co-extruded foam composite board 2 Resin foam layer 3 Hard resin layer 4 Bonding layer 5 Luggage 6 Document file 7 Binder 8 Album 9 Box with lid

Claims

中間層の樹脂発泡層を具えた五層共同押し出し発泡複合板の製造方法において、共同押し出し方式で中間層の樹脂発泡層と、その両表面をそれぞれ被覆する結合層、結合層の外表面を被覆する硬質樹脂層を形成したことを特徴とする、五層共同押し出し発泡複合板の製造方法。In a method for producing a five-layer co-extruded foam composite board provided with an intermediate resin foam layer, a co-extrusion method is used to cover the intermediate resin foam layer, the bonding layer covering both surfaces thereof, and the outer surface of the bonding layer. A method for producing a five-layer co-extruded composite foam, wherein a hard resin layer is formed.

請求項１記載の五層共同押し出し発泡複合板の製造方法において、樹脂発泡層と硬質樹脂層がエンジニアリングプラスチックと非エンジニアリングプラスチックよりそれぞれ選択され、結合層によりこの二種類の異なる性質を有する樹脂が緊密に結合されて一体とされたことを特徴とする、五層共同押し出し発泡複合板の製造方法。2. The method for manufacturing a five-layer co-extruded foam composite board according to claim 1, wherein the resin foam layer and the hard resin layer are each selected from an engineering plastic and a non-engineering plastic, and the two types of resins having different properties are tightly connected by the bonding layer. A method for producing a five-layer co-extruded foam composite plate, wherein the composite plate is integrally formed by being joined to a composite material.

請求項１記載の五層共同押し出し発泡複合板の製造方法において、樹脂発泡層が回収再生材料で組成されたことを特徴とする、五層共同押し出し発泡複合板の製造方法。The method for producing a five-layer co-extruded foam composite board according to claim 1, wherein the resin foam layer is composed of a recycled material.

請求項１記載の五層共同押し出し発泡複合板の製造方法において、樹脂発泡層の厚さが全体厚さの７５％を占め、硬質樹脂層の厚さが全体厚さの２０％を占め、結合層の厚さが全体厚さの５％を占めることを特徴とする、五層共同押し出し発泡複合板の製造方法。2. The method according to claim 1, wherein the thickness of the resin foam layer occupies 75% of the total thickness, the thickness of the hard resin layer occupies 20% of the total thickness, and bonding. A method for producing a five-layer co-extruded foam composite board, characterized in that the thickness of the layer occupies 5% of the total thickness.