JPH05148455A - Method for bonding - Google Patents
Method for bondingInfo
- Publication number
- JPH05148455A JPH05148455A JP33978691A JP33978691A JPH05148455A JP H05148455 A JPH05148455 A JP H05148455A JP 33978691 A JP33978691 A JP 33978691A JP 33978691 A JP33978691 A JP 33978691A JP H05148455 A JPH05148455 A JP H05148455A
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- substrate
- skin material
- coated layer
- aqueous emulsion
- 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.)
- Granted
Links
Landscapes
- Laminated Bodies (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は基材と表皮材とを接着す
る方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for adhering a base material and a skin material.
【０００２】[0002]
【従来の技術】例えば自動車のドアトリム、天井等の内
装材は基材と表皮材とからなるが、従来基材に表皮材を
接着するには合成ゴム等の有機溶剤溶液である接着剤が
用いられていた。2. Description of the Related Art For example, interior materials such as automobile door trims and ceilings are composed of a base material and a skin material. Conventionally, an adhesive which is an organic solvent solution such as synthetic rubber is used to adhere the skin material to the base material. It was being done.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら上記従来
の接着剤は引火性、毒性の高い有機溶剤を含むために取
扱かいの点で問題があった。水性エマルジョン系接着剤
は有機溶剤を含まないので取扱かいの点では問題がない
が、初期接着性や乾燥性の点で問題があった。However, since the above-mentioned conventional adhesive contains an organic solvent having high flammability and toxicity, it has a problem in handling. Since the aqueous emulsion adhesive does not contain an organic solvent, there is no problem in terms of handling, but there is a problem in terms of initial adhesiveness and drying property.
【０００４】[0004]
【課題を解決するための手段】本発明は上記従来の課題
を解決するための手段として、基材に水性エマルジョン
系接着剤を塗布し、乾燥状態で加熱することによって該
接着剤塗布層を軟化させた上で表皮材を圧着する接着方
法を提供するものである。As a means for solving the above-mentioned conventional problems, the present invention applies an aqueous emulsion adhesive to a substrate and heats it in a dry state to soften the adhesive coating layer. The present invention provides a bonding method in which the skin material is pressure-bonded after the above.
【０００５】本発明に用いられる基材とはレジンフェル
ト、ダンボール、合成樹脂含浸ウレタン発泡体シート、
ポリスチレンボード等従来から自動車の内装材の基材と
して使用されているものである。The base material used in the present invention includes resin felt, cardboard, synthetic resin-impregnated urethane foam sheet,
It has been conventionally used as a base material for automobile interior materials such as polystyrene board.
【０００６】本発明に用いられる表皮材としては、ポリ
塩化ビニルシート、ポリアミドシート、ポリウレタンシ
ート等のプラスチックシートとウレタン発泡体、ポリプ
ロピレン発泡体、ポリエチレン発泡体等のプラスチック
発泡体のシートとの積層物、ポリプロピレン繊維、ポリ
エステル繊維、ポリアミド繊維、アセテート繊維、アク
リル繊維等の合成繊維の不織布または編織物等従来から
自動車の内装材の表皮材として使用されているものであ
る。The skin material used in the present invention is a laminate of a plastic sheet such as a polyvinyl chloride sheet, a polyamide sheet or a polyurethane sheet and a sheet of a plastic foam such as a urethane foam, a polypropylene foam or a polyethylene foam. Polypropylene fiber, polyester fiber, polyamide fiber, acetate fiber, acrylic fiber, and other synthetic fibers such as nonwoven fabrics and knitted fabrics have been conventionally used as a skin material for automobile interior materials.
【０００７】本発明の接着剤は水性エマルジョン系であ
り、このような接着剤としてはアクリル系合成樹脂エマ
ルジョン、酢酸ビニル系合成樹脂エマルジョン、エチレ
ン−酢酸ビニル共重合体エマルジョン、スチレン−ブタ
ジエン共重合体エマルジョン、アクリロニトリル−ブタ
ジエン共重合体エマルジョン等があり、上記接着剤は一
液硬化型、あるいは硬化剤添加によって架橋する二液硬
化型であることが望ましい。このような硬化型接着剤は
耐熱性ある接着を与える。The adhesive of the present invention is an aqueous emulsion type, and as such an adhesive, an acrylic synthetic resin emulsion, a vinyl acetate synthetic resin emulsion, an ethylene-vinyl acetate copolymer emulsion, a styrene-butadiene copolymer are used. There are emulsions, acrylonitrile-butadiene copolymer emulsions, and the like, and it is desirable that the adhesive is a one-component curing type or a two-component curing type that crosslinks by adding a curing agent. Such curable adhesives provide heat resistant adhesion.
【０００８】このような硬化型接着剤は例えば合成樹脂
として水酸基、エポキシ基、アミノ基、アミド基、メチ
ロール基、カルボキシル基等の官能基を含有するものを
用い、硬化剤としてはイソシアナート化合物、一液硬化
型の場合はブロックイソシアナート化合物、エポキシ化
合物、メラミン樹脂、尿素樹脂等が添加される。As such a curable adhesive, for example, a synthetic resin containing a functional group such as a hydroxyl group, an epoxy group, an amino group, an amide group, a methylol group and a carboxyl group is used, and an isocyanate compound is used as the curing agent. In the case of one-component curing type, a block isocyanate compound, an epoxy compound, a melamine resin, a urea resin and the like are added.
【０００９】本発明においては上記接着剤を基材表面に
スプレー、ロールコーター、ナイフコーター、ハケ塗り
等の周知の塗布方法によって塗布し乾燥させた状態で加
熱して該接着剤塗布層を軟化させた上で上記表皮材を圧
着する。上記加熱工程では加熱により接着剤を乾燥し同
時に軟化させてもよいし、常温乾燥を行なった後加熱し
て接着剤を軟化させてもよい。In the present invention, the adhesive is applied to the surface of the substrate by a well-known coating method such as spraying, roll coater, knife coater, brush coating, etc., and is heated in a dried state to soften the adhesive coating layer. Then, the above skin material is pressure bonded. In the heating step, the adhesive may be dried by heating to be softened at the same time, or may be dried at room temperature and then heated to soften the adhesive.
【００１０】上記表皮材としてポリプロピレン発泡体、
ポリエチレン発泡体、ポリプロピレン繊維等の耐熱性の
ない材料を使用する場合、上記加熱温度は１５０℃以下
としなければならない。したがって上記接着剤は１５０
℃以下で軟化するものでなければならない。Polypropylene foam as the above skin material,
When a material having no heat resistance such as polyethylene foam or polypropylene fiber is used, the heating temperature must be 150 ° C. or lower. Therefore, the adhesive is 150
It must soften below ℃.
【００１１】本発明の方法において、基材と表皮材とは
あらかじめ成形されていてもよいし、基材のみ成形され
ていてもよいし、基材と表皮材とを接着と同時、または
接着した後に成形されてもよい。In the method of the present invention, the base material and the skin material may be preformed, or only the base material may be molded, or the base material and the skin material may be adhered at the same time as or adhered to each other. It may be molded later.
【００１２】[0012]
【作用】本発明においては水性エマルジョン系接着剤を
使用するから、有機溶剤による引火性や毒性の危険はな
い。また接着剤は基材に塗布された後表皮材圧着前に乾
燥せしめられるから、乾燥も極めて円滑に行われ、また
乾燥状態で加熱するから初期接着も良好となる。In the present invention, since an aqueous emulsion adhesive is used, there is no risk of flammability or toxicity due to the organic solvent. Further, since the adhesive is dried after being applied to the base material and before pressure bonding to the skin material, the drying is extremely smooth, and since the adhesive is heated in a dry state, the initial adhesion is also good.
【００１３】[0013]
【実施例】本発明を図１および図２に示す一実施例によ
って説明すれば、(1) は麻と反毛との混合繊維をフェノ
ール樹脂で結着したレジンフェルト層(1A)と反毛をフェ
ノール樹脂で結着したレジンフェルト層(1B)とを積層し
た複合レジンフェルトからなる基材であり自動車ドアト
リム形状に成形されており、水酸基を有するアクリル系
合成樹脂の水性エマルジョンに５重量％のブロックイソ
シアナートを添加した接着剤をスプレー(3) により該基
材(1) 表面に塗布する。EXAMPLES The present invention will be described with reference to one example shown in FIGS. 1 and 2. (1) is a resin felt layer (1A) in which a mixed fiber of hemp and wool is bound with a phenol resin, and the wool is Is a base material composed of a composite resin felt in which a resin felt layer (1B), which is bound with a phenolic resin, is laminated into an automobile door trim shape. An adhesive to which block isocyanate is added is applied to the surface of the substrate (1) by spraying (3).
【００１４】接着剤塗布層(2) は常温で乾燥した後遠赤
外線ランプ下で１２０℃に加熱軟化され、図２に示すよ
うにポリ塩化ビニルシート(3A)とポリプロピレン発泡体
(3B)とからなる表皮材(3) が該基材(1) 表面に該接着剤
塗布層(2) を介して圧着される。このようにしてドアト
リム(4) が製造される。The adhesive coating layer (2) was dried at room temperature and then softened by heating to 120 ° C. under a far-infrared lamp, and as shown in FIG. 2, a polyvinyl chloride sheet (3A) and a polypropylene foam.
A skin material (3) comprising (3B) is pressure-bonded to the surface of the base material (1) via the adhesive coating layer (2). In this way, the door trim (4) is manufactured.
【００１５】[0015]
【発明の効果】したがって本発明においては、有機溶剤
を使用しない水性接着剤を使用するから引火性、毒性の
危険もなく、また良好な初期接着が得られる。Therefore, in the present invention, since an aqueous adhesive that does not use an organic solvent is used, there is no risk of flammability and toxicity, and good initial adhesion can be obtained.
【００１６】[0016]
図１および図２は本発明の一実施例に関するものであ
る。1 and 2 relate to an embodiment of the present invention.
【図１】接着剤塗布状態説明図FIG. 1 is an explanatory diagram of an adhesive application state
【図２】表皮材圧着状態説明図[Fig. 2] Illustration of the surface material pressure bonding state
【符号の説明】 1 基材 2 接着剤塗布層 3 表皮材[Explanation of symbols] 1 Base material 2 Adhesive coating layer 3 Skin material
─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成４年７月１０日[Submission date] July 10, 1992
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００１６[Correction target item name] 0016
【補正方法】削除[Correction method] Delete
Claims (1)
し、乾燥状態で加熱することによって該接着剤塗布層を
軟化させた上で表皮材を圧着することを特徴とする接着
方法1. A bonding method characterized by applying an aqueous emulsion adhesive to a substrate, heating the adhesive in a dry state to soften the adhesive coating layer, and then pressure-bonding a skin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3339786A JP2712067B2 (en) | 1991-11-27 | 1991-11-27 | Bonding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3339786A JP2712067B2 (en) | 1991-11-27 | 1991-11-27 | Bonding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05148455A true JPH05148455A (en) | 1993-06-15 |
| JP2712067B2 JP2712067B2 (en) | 1998-02-10 |
Family
ID=18330797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3339786A Expired - Lifetime JP2712067B2 (en) | 1991-11-27 | 1991-11-27 | Bonding method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2712067B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109233686A (en) * | 2018-08-06 | 2019-01-18 | 安徽省神洲建材科技有限公司 | A kind of processing method of high performance and long service life ornament materials |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5680451A (en) * | 1979-12-07 | 1981-07-01 | Mitsui Toatsu Chemicals | Manufacture of automobile interior finish material |
| JPS62221531A (en) * | 1986-03-24 | 1987-09-29 | 名古屋油化株式会社 | Surface coating material |
| JPH01165680A (en) * | 1987-11-16 | 1989-06-29 | Uzin Werk Georg Utz Gmbh & Co Kg | Microwave activatable hot melt adhesive |
-
1991
- 1991-11-27 JP JP3339786A patent/JP2712067B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5680451A (en) * | 1979-12-07 | 1981-07-01 | Mitsui Toatsu Chemicals | Manufacture of automobile interior finish material |
| JPS62221531A (en) * | 1986-03-24 | 1987-09-29 | 名古屋油化株式会社 | Surface coating material |
| JPH01165680A (en) * | 1987-11-16 | 1989-06-29 | Uzin Werk Georg Utz Gmbh & Co Kg | Microwave activatable hot melt adhesive |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109233686A (en) * | 2018-08-06 | 2019-01-18 | 安徽省神洲建材科技有限公司 | A kind of processing method of high performance and long service life ornament materials |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2712067B2 (en) | 1998-02-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19970930 |