JPH09157626A - Adhesive for lapping and lapping member using the same adhesive - Google Patents
Adhesive for lapping and lapping member using the same adhesiveInfo
- Publication number
- JPH09157626A JPH09157626A JP31884695A JP31884695A JPH09157626A JP H09157626 A JPH09157626 A JP H09157626A JP 31884695 A JP31884695 A JP 31884695A JP 31884695 A JP31884695 A JP 31884695A JP H09157626 A JPH09157626 A JP H09157626A
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- lapping
- benzotriazole
- wrapping
- hydroxy
- 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
Landscapes
- Laminated Bodies (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、化粧シートを木質
基材の表面に貼り合わせるラッピング用接着剤およびこ
の接着剤を用いたラッピング部材に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lapping adhesive for laminating a decorative sheet to the surface of a wooden base material, and a lapping member using the adhesive.
【０００２】[0002]
【従来の技術】従来、塩化ビニル樹脂シート、突板シー
ト、樹脂含浸シートや転写シートなどの化粧シートを、
天然木、合板、パーチクルボードなどの木質基材の表面
に貼り合わせるラッピング用接着剤としては、例えば各
種ウレタン樹脂をメタジイソシアネートなどのイソシア
ネートによって架橋反応させる二液反応硬化型接着剤が
知られており、広く汎用接着剤として使用されていた。2. Description of the Related Art Conventionally, decorative sheets such as vinyl chloride resin sheets, veneer sheets, resin-impregnated sheets and transfer sheets are used.
As a lapping adhesive to be attached to the surface of a wood-based substrate such as natural wood, plywood, and particle board, for example, a two-component reaction-curing adhesive in which various urethane resins are cross-linked with an isocyanate such as metadiisocyanate is known, It was widely used as a general-purpose adhesive.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、前述の
二液反応硬化型接着剤を用いて木質基材の表面に化粧シ
ートを貼り合わせたラッピング部材は、太陽光や人造光
が長時間照射されると光に含まれる紫外線によって、接
着層が化学変化を起こして物理的な劣化や変色すること
があった。このため、ユーザ−サイドからラッピング部
材の耐光性改善が強く求められていた。However, the wrapping member in which the decorative sheet is attached to the surface of the wood base material by using the above-mentioned two-component reaction curing type adhesive is irradiated with sunlight or artificial light for a long time. The ultraviolet rays contained in the light sometimes caused a chemical change in the adhesive layer, causing physical deterioration or discoloration. Therefore, there has been a strong demand from the user side to improve the light resistance of the lapping member.
【０００４】本発明は、前述のユーザ−サイドの要望に
応えたものであり、ラッピング用接着剤の耐紫外線性を
改善して、耐光性が良好なラッピング部材を提供するも
のである。The present invention meets the above-mentioned demands from the user side, and provides a lapping member having improved light resistance by improving the ultraviolet resistance of the lapping adhesive.
【０００５】[0005]
【課題を解決するための手段】本発明の第１の発明は、
二液反応硬化型のポリウレタン系接着剤に、ベンゾトリ
アゾール系紫外線吸収剤を分散させたことを特徴とする
ラッピング用接着剤である。Means for Solving the Problems A first invention of the present invention is:
A wrapping adhesive characterized in that a benzotriazole ultraviolet absorber is dispersed in a two-component reaction curing type polyurethane adhesive.
【０００６】本発明の第２の発明は、前記ベンゾトリア
ゾール系紫外線吸収剤が、２−（２′−ヒドロキシ−
３′−ｔ−ブチル−５′−メチルフェニル）−５−クロ
ロベンゾトリアゾールであることを特徴とする第１の発
明に記載のラッピング用接着剤である。In a second aspect of the present invention, the benzotriazole-based ultraviolet absorber is 2- (2'-hydroxy-).
The lapping adhesive according to the first invention, which is 3'-t-butyl-5'-methylphenyl) -5-chlorobenzotriazole.
【０００７】本発明の第３の発明は、前記ベンゾトリア
ゾール系紫外線吸収剤が、２−（２′−ヒドロキシ−
３′，５′−ジ−ｔ−ブチルフェニル）ベンゾトリアゾ
ールであることを特徴とする第１の発明に記載のラッピ
ング用接着剤である。In a third aspect of the present invention, the benzotriazole type ultraviolet absorber is 2- (2'-hydroxy-).
3 ', 5'-Di-t-butylphenyl) benzotriazole is the lapping adhesive according to the first invention.
【０００８】本発明の第４の発明は、前記ベンゾトリア
ゾール系紫外線吸収剤が、２−（２′−ヒドロキシ−
３′−ｔ−ブチル−５′−メチルフェニル）−５−クロ
ロベンゾトリアゾールと２−（２′−ヒドロキシ−
３′，５′−ジ−ｔ−ブチルフェニル）ベンゾトリアゾ
ールとからなることを特徴とする第１の発明に記載のラ
ッピング用接着剤である。In a fourth aspect of the present invention, the benzotriazole type ultraviolet absorber is 2- (2'-hydroxy-).
3'-t-butyl-5'-methylphenyl) -5-chlorobenzotriazole and 2- (2'-hydroxy-
3 ', 5'-di-t-butylphenyl) benzotriazole is the lapping adhesive according to the first invention.
【０００９】本発明の第５の発明は、第１の発明乃至第
４の発明のいずれかに記載のラッピング用接着剤を用い
て、図１に示すように、化粧シート（３０）を木質基材
（１０）の表面に前記ラッピング用接着剤層（２０）を
介してラッピング加工したことを特徴とするラッピング
部材（１）である。A fifth aspect of the present invention uses the adhesive for wrapping according to any one of the first to fourth aspects of the invention to apply a decorative sheet (30) to a wood base as shown in FIG. The lapping member (1) is characterized in that a lapping process is performed on the surface of a material (10) via the lapping adhesive layer (20).
【００１０】[0010]
【発明の実施の形態】本発明のラッピング用接着剤は、
ポリウレタン系接着剤に、ベンゾトリアゾール系紫外線
吸収剤を固形分比で３重量％分散させたものであり、こ
の紫外線吸収剤により光に含まれる紫外線を遮って、接
着剤の化学変化による特性劣化や変色を防ぐものであ
る。使用するベンゾトリアゾール系紫外線吸収剤として
は、２−（２′−ヒドロキシ−３′−ｔ−ブチル−５′
−メチルフェニル）−５−クロロベンゾトリアゾール、
２−（２′−ヒドロキシ−３′，５′−ジ−ｔ−ブチル
フェニル）ベンゾトリアゾールなどがある。BEST MODE FOR CARRYING OUT THE INVENTION The wrapping adhesive of the present invention comprises:
This is a polyurethane adhesive in which a benzotriazole-based ultraviolet absorber is dispersed in a solid content ratio of 3% by weight. The ultraviolet absorber blocks ultraviolet rays contained in the light, thereby deteriorating characteristics due to chemical changes in the adhesive. It prevents discoloration. The benzotriazole-based UV absorber used is 2- (2'-hydroxy-3'-t-butyl-5 '.
-Methylphenyl) -5-chlorobenzotriazole,
2- (2'-hydroxy-3 ', 5'-di-t-butylphenyl) benzotriazole and the like.
【００１１】また、本発明のラッピング部材は、前述の
紫外線吸収剤を分散させたラッピング用接着剤を用い
て、塩化ビニル樹脂シート、突板シート、樹脂含浸シー
トや転写シートなどの化粧シートを、天然木、合板、パ
ーチクルボードなどの木質基材の表面に貼り合わせもの
である。このため、接着層に分散する紫外線吸収剤によ
って、光に含まれる紫外線による木質基材や接着層の物
理的な劣化や変色が防げ、ラッピング部材の耐光性や耐
候性が良好となる。The wrapping member of the present invention is made of a vinyl chloride resin sheet, a veneer sheet, a resin-impregnated sheet, a transfer sheet or the like, which is made of a natural adhesive sheet by using the wrapping adhesive in which the ultraviolet absorber is dispersed. It is attached to the surface of a wood base material such as wood, plywood or particle board. Therefore, the ultraviolet absorber dispersed in the adhesive layer can prevent physical deterioration and discoloration of the wood base material and the adhesive layer due to ultraviolet rays contained in light, and the light resistance and weather resistance of the wrapping member can be improved.
【００１２】[0012]
＜実施例１＞まず、メタ−ジ−イソシアネート（硬化
剤）を５部添加したウレタン樹脂（主剤）２５重量％、
塩化メチレン（溶剤）７５重量％の接着剤に、２−
（２′−ヒドロキシ−３′−ｔ−ブチル−５′−メチル
フェニル）−５−クロロベンゾトリアゾールと２−
（２′−ヒドロキシ−３′，５′−ジ−ｔ−ブチルフェ
ニル）ベンゾトリアゾールとからなる紫外線吸収剤を固
形分比３重量％分散させて、本実施例のラッピング用接
着剤を作製した。<Example 1> First, 25% by weight of a urethane resin (main component) containing 5 parts of meta-di-isocyanate (curing agent),
Adhesive with 75% by weight of methylene chloride (solvent)
(2'-hydroxy-3'-t-butyl-5'-methylphenyl) -5-chlorobenzotriazole and 2-
An ultraviolet absorber composed of (2'-hydroxy-3 ', 5'-di-t-butylphenyl) benzotriazole was dispersed in a solid content ratio of 3% by weight to prepare a lapping adhesive of this example.
【００１３】次に、図１に示すように、８０μｍ厚の塩
化ビニル透明フィルム（３１）に、ライト、ダーク、グ
レー色のスポット柄を裏刷りして印刷層（３２）を設
け、さらに、塩化ビニル透明フィルム（３３）をダブリ
ング加工した塩化ビニル積層シート（化粧シート）（３
０）を作製した。この塩化ビニル積層シートを、ラミネ
ートマシンで、前述の紫外線吸収剤を分散したラッピン
グ用接着剤を用い、合板の木質基材（１０）の表面に貼
り合わせて、図１に示す本実施例のラッピング部材
（１）を作製した。また、同時に、紫外線吸収剤を分散
しないラッピング用接着剤を用い、同様にして比較例の
ラッピング部材を作製した。なお、接着剤剤の塗布は、
ナイフコーターで１００μｍ（ウェット）厚に塗布し、
乾燥条件は、６０℃で２０ｍ／分の搬送スピードで行っ
た。Next, as shown in FIG. 1, a vinyl chloride transparent film (31) having a thickness of 80 μm is provided with a printing layer (32) by back-printing light, dark and gray color spot patterns, and further chloride. Vinyl chloride laminated sheet (decorative sheet) obtained by doubling vinyl transparent film (33) (3
0) was prepared. This vinyl chloride laminated sheet is laminated on the surface of the wood base material (10) of plywood with a laminating machine using the lapping adhesive in which the above-mentioned ultraviolet absorber is dispersed, and the lapping of this embodiment shown in FIG. A member (1) was produced. At the same time, a lapping member of a comparative example was produced in the same manner by using a lapping adhesive in which an ultraviolet absorber was not dispersed. In addition, the application of the adhesive agent,
Apply with a knife coater to a thickness of 100 μm (wet),
The drying conditions were 60 ° C. and a conveying speed of 20 m / min.
【００１４】次に、本実施例のラッピング部材と比較例
のラッピング部材とを、カーボンアークフェイドメータ
ーにて紫外線を５０時間及び１００時間照射し、照射後
のＬａｂ表色系の色差△Ｅ変化を測定して、それぞれの
ラッピング部材の耐光性を比較評価した。表１に、その
耐光性試験結果を示す。Next, the wrapping member of this example and the wrapping member of the comparative example were irradiated with ultraviolet rays for 50 hours and 100 hours with a carbon arc fade meter, and the change in color difference ΔE of the Lab color system after irradiation was changed. The light resistance of each lapping member was measured and comparatively evaluated. Table 1 shows the results of the light resistance test.
【００１５】[0015]
【表１】 [Table 1]
【００１６】耐光性試験結果においては、本実施例のラ
ッピング部材の色差△Ｅ変化が、比較例のラッピング部
材の色差△Ｅ変化より各色とも非常に小さく、本実施例
のラッピング部材の耐光性が、比較例のラッピング部材
の耐光性より非常に良好なことを示していた。In the light resistance test results, the color difference ΔE change of the lapping member of this example is much smaller than the color difference ΔE change of the lapping member of the comparative example for each color, and the light resistance of the lapping member of this example is shown. It was shown that the light resistance of the lapping member of Comparative Example was much better.
【００１７】＜実施例２＞まず、図２に示すように、転
写基材フィルム層（４１）である２５μｍ厚のポリエチ
レンテレフタレートフィルムに、順に、トップコート層
（４２）、印刷層（４３）を設けてラッピング用転写シ
ート（化粧シート）（４０）を作製し、このラッピング
用転写シートを、実施例１で作製した紫外線吸収剤を分
散したラッピング用接着剤を用い、合板の木質基材（１
０）の表面に貼り合わせて、図２に示す本実施例のラッ
ピング部材（１）を作製した。Example 2 First, as shown in FIG. 2, a 25 μm thick polyethylene terephthalate film, which is a transfer base film layer (41), was sequentially provided with a top coat layer (42) and a printing layer (43). A transfer sheet for lapping (decorative sheet) (40) is prepared, and the transfer sheet for lapping is prepared by using the adhesive for lapping in which the ultraviolet absorbent prepared in Example 1 is dispersed, and a wood base material (1) for plywood.
0) to the surface of which a lapping member (1) of this example shown in FIG. 2 was produced.
【００１８】本実施例のラッピング部材の耐光性を、実
施例１と同様にして耐光性を評価したが、実施例１と遜
色なく、非常に耐光性が良好であった。The light resistance of the lapping member of this example was evaluated in the same manner as in Example 1. The light resistance was comparable to that of Example 1, and the light resistance was very good.
【００１９】[0019]
【発明の効果】本発明のラッピング用接着剤は、分散す
る紫外線吸収剤により光による特性劣化や変色が極めて
少ない。また、このラッピング用接着剤を用いて化粧シ
ートを木質基材表面にラッピング加工した本発明のラッ
ピング部材は、耐光性や耐候性に極めて優れている。EFFECT OF THE INVENTION The adhesive for wrapping of the present invention has extremely little characteristic deterioration and discoloration due to light due to the ultraviolet absorbent dispersed therein. In addition, the wrapping member of the present invention in which a decorative sheet is lapped on the surface of a wooden base material using the wrapping adhesive has extremely excellent light resistance and weather resistance.
【図１】本発明の一実施例のラッピング部材の構成を示
す説明図である。FIG. 1 is an explanatory diagram showing a configuration of a lapping member according to an embodiment of the present invention.
【図２】本発明の他の実施例のラッピング部材の構成を
示す説明図である。FIG. 2 is an explanatory diagram showing a configuration of a lapping member according to another embodiment of the present invention.
１……ラッピング部材 １０……木質基材 ２０……ラッピング用接着剤層 ３０，４０……化粧シート ３１，３３……塩化ビニル樹脂透明フィルム層 ３２，４３……印刷層 ４１……転写基材フィルム層 ４２……トップコート層 1 ... Wrapping member 10 ... Wood base material 20 ... Wrapping adhesive layer 30,40 ... Decorative sheet 31, 33 ... Vinyl chloride resin transparent film layer 32, 43 ... Printing layer 41 ... Transfer base material Film layer 42 ... Top coat layer
Claims (5)
に、ベンゾトリアゾール系紫外線吸収剤を分散させたこ
とを特徴とするラッピング用接着剤。1. A lapping adhesive characterized in that a benzotriazole ultraviolet absorber is dispersed in a two-component reaction curing type polyurethane adhesive.
が、２−（２′−ヒドロキシ−３′−ｔ−ブチル−５′
−メチルフェニル）−５−クロロベンゾトリアゾールで
あることを特徴とする請求項１に記載のラッピング用接
着剤。2. The benzotriazole-based ultraviolet absorber is 2- (2′-hydroxy-3′-t-butyl-5 ′).
The adhesive for lapping according to claim 1, which is -methylphenyl) -5-chlorobenzotriazole.
が、２−（２′−ヒドロキシ−３′，５′−ジ−ｔ−ブ
チルフェニル）ベンゾトリアゾールであることを特徴と
する請求項１に記載のラッピング用接着剤。3. The benzotriazole-based UV absorber is 2- (2′-hydroxy-3 ′, 5′-di-t-butylphenyl) benzotriazole, according to claim 1. Adhesive for wrapping.
が、２−（２′−ヒドロキシ−３′−ｔ−ブチル−５′
−メチルフェニル）−５−クロロベンゾトリアゾールと
２−（２′−ヒドロキシ−３′，５′−ジ−ｔ−ブチル
フェニル）ベンゾトリアゾールとからなることを特徴と
する請求項１に記載のラッピング用接着剤。4. The benzotriazole-based ultraviolet absorber is 2- (2′-hydroxy-3′-t-butyl-5 ′).
-Methylphenyl) -5-chlorobenzotriazole and 2- (2'-hydroxy-3 ', 5'-di-t-butylphenyl) benzotriazole for lapping according to claim 1. adhesive.
ラッピング用接着剤を用いて、化粧シートを木質基材の
表面に前記ラッピング用接着剤層を介してラッピング加
工したことを特徴とするラッピング部材。5. A decorative sheet is lapped on the surface of a wood base material using the adhesive for wrapping according to claim 1 through the adhesive layer for wrapping. And wrapping member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31884695A JPH09157626A (en) | 1995-12-07 | 1995-12-07 | Adhesive for lapping and lapping member using the same adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31884695A JPH09157626A (en) | 1995-12-07 | 1995-12-07 | Adhesive for lapping and lapping member using the same adhesive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09157626A true JPH09157626A (en) | 1997-06-17 |
Family
ID=18103614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31884695A Pending JPH09157626A (en) | 1995-12-07 | 1995-12-07 | Adhesive for lapping and lapping member using the same adhesive |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09157626A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008102822A1 (en) | 2007-02-20 | 2008-08-28 | Fujifilm Corporation | Polymer material containing ultraviolet absorbent |
| WO2008123504A1 (en) | 2007-03-30 | 2008-10-16 | Fujifilm Corporation | Ultraviolet ray absorber composition |
| WO2009022736A1 (en) | 2007-08-16 | 2009-02-19 | Fujifilm Corporation | Heterocyclic compound, ultraviolet ray absorbent, and composition comprising the ultraviolet ray absorbent |
| WO2009123142A1 (en) | 2008-03-31 | 2009-10-08 | 富士フイルム株式会社 | Ultraviolet absorbent compositions |
| WO2009123141A1 (en) | 2008-03-31 | 2009-10-08 | 富士フイルム株式会社 | Ultraviolet absorbent compositions |
| WO2009136624A1 (en) | 2008-05-09 | 2009-11-12 | 富士フイルム株式会社 | Ultraviolet absorbent composition |
| JP2016124957A (en) * | 2014-12-26 | 2016-07-11 | 住友林業株式会社 | Aqueous adhesive composition for wrapping and woody building material using the same |
-
1995
- 1995-12-07 JP JP31884695A patent/JPH09157626A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008102822A1 (en) | 2007-02-20 | 2008-08-28 | Fujifilm Corporation | Polymer material containing ultraviolet absorbent |
| WO2008123504A1 (en) | 2007-03-30 | 2008-10-16 | Fujifilm Corporation | Ultraviolet ray absorber composition |
| WO2009022736A1 (en) | 2007-08-16 | 2009-02-19 | Fujifilm Corporation | Heterocyclic compound, ultraviolet ray absorbent, and composition comprising the ultraviolet ray absorbent |
| WO2009123142A1 (en) | 2008-03-31 | 2009-10-08 | 富士フイルム株式会社 | Ultraviolet absorbent compositions |
| WO2009123141A1 (en) | 2008-03-31 | 2009-10-08 | 富士フイルム株式会社 | Ultraviolet absorbent compositions |
| WO2009136624A1 (en) | 2008-05-09 | 2009-11-12 | 富士フイルム株式会社 | Ultraviolet absorbent composition |
| JP2016124957A (en) * | 2014-12-26 | 2016-07-11 | 住友林業株式会社 | Aqueous adhesive composition for wrapping and woody building material using the same |
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