JP2000158598A - Covering material for ageing - Google Patents

Covering material for ageing

Info

Publication number
JP2000158598A
JP2000158598A JP10352100A JP35210098A JP2000158598A JP 2000158598 A JP2000158598 A JP 2000158598A JP 10352100 A JP10352100 A JP 10352100A JP 35210098 A JP35210098 A JP 35210098A JP 2000158598 A JP2000158598 A JP 2000158598A
Authority
JP
Japan
Prior art keywords
curing
peeling
base material
natural rubber
protective material
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
JP10352100A
Other languages
Japanese (ja)
Inventor
Kazuo Suzuki
一夫 鈴木
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.)
SHIN NIPPON KAISHU KENSETSU KK
Resonac Holdings Corp
Original Assignee
SHIN NIPPON KAISHU KENSETSU KK
Showa Highpolymer 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 SHIN NIPPON KAISHU KENSETSU KK, Showa Highpolymer Co Ltd filed Critical SHIN NIPPON KAISHU KENSETSU KK
Priority to JP10352100A priority Critical patent/JP2000158598A/en
Publication of JP2000158598A publication Critical patent/JP2000158598A/en
Pending legal-status Critical Current

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Abstract

PROBLEM TO BE SOLVED: To obtain high weatherability and impact resistance and to facilitate not only peeling but also settlement. SOLUTION: A covering material for ageing consists of a peeling base material 1 directly bonded to a surface P to be aged and solidified into a film shape at the normal temp. and the protective material 2 bonded and solidified on the surface of the peeling base material 1 bonded and solidified on the surface P to be aged to protect the peeling base material 1 and peeled along with the peeling base material 1 after ageing. Natural rubber is used in the peeling base material 1. The peeling base material 1 is formed from 50-70 wt.% of natural rubber and 30-50 wt.% of an acrylic ester copolymer. The protective material 2 is formed by using elastic urethane.

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、例えば新車を移送
する際の車体表面の保護や、保冷車やコンテナ車等の貨
物室内部を衝撃や雑菌類から被覆保護する他、床面の歩
行部分などを衝撃から保護するなど、被養生面を被覆保
護し、使用後は剥離する養生用被覆材に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the protection of the surface of a car body when a new car is transferred, the protection of the interior of a cargo compartment of a cool car, a container car or the like from impacts and various germs, and a walking portion of the floor. The present invention relates to a curing material that protects a surface to be cured, for example, by protecting the surface from impact, and peels off after use.

【0002】[0002]

【従来の技術】従来、ポリウレタン樹脂を含むマスキン
グペイントを使用した部分塗装方法が特開昭62-213879
号公報に記載されている。また、ゴム又はその誘導体に
基づくエマルジョンを含有した剥離性の水性被覆組成物
の発明が特開平9-241541号に記載されている。更に、本
発明者は、主に建築物の養生作業及び養生除去作業を極
めて簡便に行うことができる外壁塗装の養生方法の発明
を先に発明している。
2. Description of the Related Art Conventionally, a partial coating method using a masking paint containing a polyurethane resin has been disclosed in Japanese Patent Application Laid-Open No. 62-213879.
No., published in Japanese Unexamined Patent Publication No. Also, the invention of a releasable aqueous coating composition containing an emulsion based on rubber or a derivative thereof is described in JP-A-9-241541. Furthermore, the present inventor has previously invented an invention of a method for curing an exterior wall coating, which is capable of extremely easily performing mainly a building curing operation and a curing removing operation.

【0003】[0003]

【発明が解決しようとする課題】ポリウレタン樹脂を含
むマスキングペイントを使用した前者の部分塗装方法
は、マスキングペイントの乾燥によって、見切り線の変
形が生じないようにしたものである。しかしながら、こ
のようなポリウレタン樹脂を含むマスキングペイントを
直接塗布するのに好適なのは、ポリプロピレン製品やポ
リウレタン製品に限られるもので、自動車のバンパーの
一部を塗装するなどといった比較的塗布面積の少ない部
分を塗り分ける塗装方法に用いられている。したがっ
て、自動車のボディーなど、ポリプロピレン製品やポリ
ウレタン製品以外の材質表面や、塗布面積が広い部分を
マスキングして塗装するには、やはり、新聞紙やビニル
フィルムをマスキングテープ等で張り付けて養生する必
要があった。
In the former partial coating method using a masking paint containing a polyurethane resin, the parting line is prevented from being deformed by drying the masking paint. However, suitable for directly applying such a masking paint containing a polyurethane resin is limited to a polypropylene product or a polyurethane product, and a portion having a relatively small application area such as painting a part of an automobile bumper is preferably used. It is used for a different coating method. Therefore, in order to mask and paint on the surface of a material other than polypropylene or polyurethane products, such as the body of an automobile, or on a portion with a large application area, it is necessary to apply a newspaper or a vinyl film with masking tape or the like and cure it. Was.

【0004】また、後者の水性被覆組成物は、ゴム又は
その誘導体に基づくエマルジョンを含有した被覆組成物
を、塗装面や非塗装面などに塗布するものであるが、被
覆組成物が単層構造であるために、塗布面が一定の材質
であったり、使用環境が一定の環境下では、剥離が可能
になるものの、塗布面の材質や使用環境が変わると、こ
の変化に適応させることが困難になる不都合があった。
しかも、ゴム又はその誘導体に基づくエマルジョンを含
有した被覆組成物では、そもそも耐侯性に劣る欠点があ
るため、屋外での長時間の使用や、保冷車やコンテナ車
等の特殊な環境で使用することは困難であった。
In the latter aqueous coating composition, a coating composition containing an emulsion based on rubber or a derivative thereof is applied to a painted surface or an unpainted surface, but the coating composition has a single-layer structure. Therefore, it is possible to peel off under the condition that the applied surface is made of a certain material or under a certain use environment, but it is difficult to adapt to this change if the material of the applied surface or the use environment changes. There was an inconvenience.
In addition, coating compositions containing emulsions based on rubber or its derivatives have the disadvantage of poor weather resistance in the first place, so they must be used outdoors for long periods of time or in special environments such as insulated vehicles and container vehicles. Was difficult.

【0005】一方、本発明の先の発明によって、外壁塗
装の養生やガラス窓の養生など、建築物の養生作業及び
養生除去作業を極めて簡便に行うことができるようにな
った。そこで、発明者は、この養生作業及び養生除去作
業をより広い分野でも利用できるように鋭利研究を重
ね、先の発明に更なる改良を加えることで、より高い耐
侯性と耐衝撃性とを実現すると共に、剥離容易で後始末
が極めて容易な養生用被覆材の提供を目的とする。
[0005] On the other hand, the prior invention of the present invention has made it possible to extremely easily perform a curing operation for a building and a curing removing operation, such as curing of exterior wall coating and curing of glass windows. Therefore, the inventor has conducted sharp studies so that this curing operation and curing removing operation can be used in a wider field, and realizes higher weather resistance and impact resistance by further improving the previous invention. In addition, an object of the present invention is to provide a curing material that is easy to peel off and that is extremely easy to clean up.

【0006】[0006]

【課題を解決するための手段】上述の目的を達成すべ
く、本発明の第1の手段は、被養生面Pに直接接着し常
温でフィルム状に固化する剥離容易な剥離用基材1と、
被養生面Pに接着固化した剥離用基材1の表面に接着固
化して剥離用基材1を保護し養生後に剥離用基材1と共
に剥離する保護材2とから成るものである。
In order to achieve the above object, a first means of the present invention is to provide an easy-to-peel release substrate 1 which directly adheres to a cured surface P and solidifies into a film at room temperature. ,
A protective material 2 is adhered and solidified on the surface of the peeling substrate 1 adhered and solidified on the cured surface P to protect the peeling substrate 1, and is peeled off together with the peeling substrate 1 after curing.

【0007】第2の手段の剥離用基材1は、天然ゴムを
使用する。
The peeling substrate 1 of the second means uses natural rubber.

【0008】第3の手段の剥離用基材1は、天然ゴム50
%〜70%重量比に、アクリル酸エステル共重合体30%〜
50%重量比を混合したことにある。
[0008] The peeling substrate 1 of the third means is made of natural rubber 50
% To 70% by weight, acrylic ester copolymer 30% to
50% weight ratio is mixed.

【0009】第4の手段の保護材2は、弾性ウレタンを
使用する。
The protection member 2 of the fourth means uses elastic urethane.

【0010】第5の手段の保護材2は、弾性ナイロンを
使用する。
[0010] The protective member 2 of the fifth means uses elastic nylon.

【0011】第6の手段の保護材2は、弾性アクリルを
使用する。
The protective means 2 of the sixth means uses elastic acrylic.

【0012】[0012]

【発明の実施の形態】以下、本発明の実施例を詳細に説
明する。
DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail.

【0013】本発明において使用する剥離用基材1は、
被養生面Pに直接接着し常温でフィルム状、又はシート
状に固化する材質であり、天然ゴムの使用が好ましい。
この剥離用基材1を天然ゴム100 %としても良く、ま
た、この天然ゴムにアクリル酸エステル共重合体を混合
してもよい。又、アクリル酸エステル共重合体の代わり
に、合成ゴム、特にスチレンブタジエン共重合体ゴムを
混合しても良い。そのときの混合比は、天然ゴム50〜70
%重量比に対して、アクリル酸エステル共重合体あるい
は合成ゴムを30〜50%重量比を混合することで、より剥
がし易くなり、また、後述する保護材2との相性も良好
になる。
The release substrate 1 used in the present invention comprises:
It is a material that directly adheres to the cured surface P and solidifies into a film or sheet at room temperature, and natural rubber is preferably used.
The release substrate 1 may be made of 100% of natural rubber, and an acrylic ester copolymer may be mixed with this natural rubber. Further, instead of the acrylate copolymer, a synthetic rubber, in particular, a styrene-butadiene copolymer rubber may be mixed. The mixing ratio at that time is 50-70 of natural rubber
By mixing the acrylic ester copolymer or the synthetic rubber at a weight ratio of 30 to 50% with respect to the weight ratio, the peeling becomes easier, and the compatibility with the protective material 2 described later is also improved.

【0014】更に、天然ゴムに対してアクリル酸エステ
ル共重合体を30%重量比以下にすると強度と耐侯性が劣
り、また、アクリル酸エステル共重合体を70%重量比以
上にすると剥離性が悪くなることが実験上判明した。し
たがって、剥離用基材1として、天然ゴムとアクリル酸
エステル共重合体とを混合する場合は、天然ゴム50〜70
%重量比に対して、アクリル酸エステル共重合体を30〜
50%重量比を混合した剥離用基材1が最も扱い易く実用
的な剥離用基材1として好ましい。
Further, when the acrylate copolymer is less than 30% by weight with respect to the natural rubber, the strength and weather resistance are poor, and when the acrylate copolymer is more than 70% by weight, the releasability is poor. Experiments have shown that it gets worse. Therefore, when the natural rubber and the acrylate copolymer are mixed as the release substrate 1, the natural rubber 50 to 70
% By weight of the acrylate copolymer is 30 to
A release substrate 1 mixed with a 50% weight ratio is preferred as the most easy-to-use and practical release substrate 1.

【0015】更に、剥離用基材1の接着手段は、ハケ塗
り、ローラー塗り、スプレー塗布等の手段により、被養
生面Pに接着される。このとき、剥離用基材1の接着量
は、養生目的に応じて、50 g/m2 〜500g/m2 の範囲にす
ると、剥がし易く、また、使用後のフィルム又はシート
材の後始末も容易に行なえる。
Further, the bonding means of the peeling substrate 1 is bonded to the cured surface P by means such as brush coating, roller coating, spray coating and the like. In this case, the adhesion amount of detachment base 1, depending on the curing purposes, when the range of 50 g / m 2 ~500g / m 2, easily peeled off, also clean up the film or sheet material after use Easy to do.

【0016】保護材2は、被養生面Pに接着固化した剥
離用基材1の表面に接着固化して剥離用基材1を保護し
養生後に剥離用基材1と共に剥離するものである。この
保護材2は、剥離用基材1の上に積層するから、ポリマ
ーのTg(柔らかさ)が -20℃以下の弾性ウレタンや、弾
性ナイロン、弾性アクリルなどを使用することで、剥離
用基材1の天然ゴムが伸縮しても一体化を保持すること
ができ、保護材2の分離を防止できる。この保護材2の
材質は、使用目的に応じて変更が可能である。
The protective material 2 protects the peeling substrate 1 by being adhered and solidified on the surface of the peeling substrate 1 that has been adhered and solidified on the cured surface P, and is peeled off together with the peeling substrate 1 after curing. Since this protective material 2 is laminated on the release substrate 1, the release base is made by using elastic urethane, elastic nylon, elastic acrylic or the like having a polymer Tg (softness) of -20 ° C or less. Even if the natural rubber of the material 1 expands and contracts, integration can be maintained, and separation of the protective material 2 can be prevented. The material of the protection member 2 can be changed according to the purpose of use.

【0017】例えば、保冷車やコンテナ車等の貨物室内
部を衝撃や雑菌類から被覆保護するには、保護材2に弾
性ウレタンを使用すると、引張強度、耐衝撃強度、耐侯
性に優れ、また、殺菌材等の混合や、着色も可能であ
る。更に、弾性ウレタン製の保護材2では、この他、機
械、器具類を汚れや紫外線などから保護することもでき
るので、機械、器具類のリースやレンタルにも好適であ
る。このとき、最も好ましくは、剥離用基材1を250g/m
2 とし、保護材2を150g/m2 とすると、耐衝撃強度及び
剥離性に優れた被覆材が形成される。
For example, in order to cover and protect the interior of a cargo compartment of an insulated car, a container car or the like from impacts and germs, if elastic urethane is used for the protective material 2, it is excellent in tensile strength, impact strength and weather resistance. It is also possible to mix and color disinfectants and the like. Further, the protective material 2 made of elastic urethane can also protect machines and instruments from dirt and ultraviolet rays, and is also suitable for leasing and rental of machines and instruments. At this time, most preferably, the substrate 1 for peeling is 250 g / m2.
When the protective material 2 is set to 150 g / m 2 , a coating material having excellent impact strength and peelability is formed.

【0018】また、自動車の車体を被覆して、新車移送
時等の保護を図るには、弾性ナイロンが好適である。こ
の弾性ナイロンは、特に耐侯性に優れている。自動車の
車体を被覆するのに好適な厚みは、剥離用基材1を250g
/m2 とし、保護材2を150g/m2 としたときに、耐侯性に
優れた被覆材が形成される。
Further, elastic nylon is suitable for covering the body of an automobile to protect it when a new vehicle is transferred. This elastic nylon is particularly excellent in weather resistance. A suitable thickness for coating the body of an automobile is 250 g of the substrate 1 for peeling.
/ m 2 and the protective material 2 at 150 g / m 2 , a coating material having excellent weather resistance is formed.

【0019】更に、サッシなどの保護や、バス、電車等
の車内の殺菌性を保つには、弾性アクリルが適してい
る。この弾性アクリルは、耐侯性に優れる他、殺菌材等
の混合や、着色も自在に行える。
Furthermore, elastic acrylic is suitable for protecting sashes and the like, and for maintaining sterility in vehicles such as buses and trains. This elastic acryl is excellent in weather resistance, and can be freely mixed and colored with a germicide or the like.

【0020】これら保護材2の接着量は、養生目的に応
じて、50 g/m2 〜300g/m2 の範囲にすると、剥離用基材
1の剥離作業に支障がなく、また、使用後のフィルム材
又はシート材の後始末も容易に行なえる。更に、剥離用
基材1の接着量を50 g/m2 以上にすることで、剥離用基
材1への着色が可能になり、剥離作業に際して、剥離用
基材1の除去を確認することができる。また、保護材2
の接着手段は、剥離用基材1と同様に、ハケ塗り、ロー
ラー塗り、スプレー塗布等の手段により、被養生面Pに
接着される。例えば、保冷車やコンテナ車等の貨物室内
部、あるいは、自動車の車体を被覆するには、スプレー
塗布の手段が最も好適である。
The adhesion amount of the protection member 2, depending on the curing purposes, when the range of 50 g / m 2 ~300g / m 2, no trouble in peeling operation of the detachment base 1, also after use It is also possible to easily clean up the film material or sheet material. Further, by setting the amount of adhesion of the peeling substrate 1 to 50 g / m 2 or more, the coloring of the peeling substrate 1 becomes possible, and the removal of the peeling substrate 1 is confirmed during the peeling operation. Can be. In addition, protective material 2
Is bonded to the cured surface P by means of brush coating, roller coating, spray coating or the like in the same manner as the peeling substrate 1. For example, spray coating is most suitable for covering the interior of a cargo compartment such as an insulated car or a container car, or the body of an automobile.

【0021】[0021]

【発明の効果】本発明は、上述の如き構成によって当初
の目的を達成した。すなわち、請求項1により、養生用
被覆材を剥離用基材1と保護材2との二層構造としたこ
とで、耐侯性能を高めると共に、剥離容易で後始末が極
めて容易になった。
According to the present invention, the original object has been attained by the structure as described above. That is, according to the first aspect of the present invention, since the curing coating material has a two-layer structure of the peeling substrate 1 and the protective material 2, the weather resistance is improved, the peeling is easy, and the cleaning is extremely easy.

【0022】また、請求項2により、この剥離用基材1
に天然ゴムを使用したことで、剥離用基材1をどの様な
凹凸面に接着しても容易に剥離除去することができる。
Further, according to claim 2, the substrate 1 for peeling is provided.
The use of natural rubber as the base material allows the peeling substrate 1 to be easily peeled and removed even if it is adhered to any irregular surface.

【0023】更に、請求項3によって、剥離性を維持し
ながら、より高い耐侯性と耐衝撃性とを同時に実現する
ことができた。しかも、種々の保護材2との相性も良好
である。
Further, according to the third aspect, it is possible to simultaneously achieve higher weather resistance and impact resistance while maintaining peelability. In addition, compatibility with various protective materials 2 is also good.

【0024】請求項4に記載の弾性ウレタン製の保護材
2により、保冷車やコンテナ車等の貨物室内部を衝撃や
雑菌類から被覆保護するのに好適である。
The protective material 2 made of an elastic urethane according to the fourth aspect is suitable for covering and protecting the interior of a cargo compartment of a cool car, a container car, or the like from impacts and various germs.

【0025】又、請求項5に記載の弾性ナイロン製の保
護材2によって、自動車の車体を被覆して、新車移送時
等の保護を図ることができる。
Further, the protective body 2 made of the elastic nylon according to claim 5 can cover the vehicle body of the automobile to protect the vehicle at the time of transporting a new vehicle.

【0026】更に、請求項6に記載の弾性アクリル製の
保護材2によって、サッシなどの保護や、バス、電車等
の車内の殺菌性を保つことが可能になった。
Further, the protective material 2 made of elastic acrylic according to the present invention makes it possible to protect the sash and the like and to maintain the sterility inside the vehicle such as a bus or a train.

【0027】このように、本発明によると、高い耐侯性
と耐衝撃性とを実現すると共に、剥離容易で後始末が極
めて容易に行えるなどといった産業上有益な種々の効果
を奏するものである。
As described above, according to the present invention, high weather resistance and impact resistance are realized, and various industrially useful effects such as easy peeling and extremely easy cleaning are achieved.

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

【図1】本発明の実施例を示す要部断面図。FIG. 1 is a sectional view of a main part showing an embodiment of the present invention.

【符号の説明】[Explanation of symbols]

P 被養生面 1 剥離用基材 2 保護材 P Cured surface 1 Peeling substrate 2 Protective material

───────────────────────────────────────────────────── フロントページの続き Fターム(参考) 4F100 AK25A AK25B AK48B AK51B AN01A AR00A AS00B BA02 BA31 EJ91B GB90 JK07B JK10 JL09 JL14 JL14A ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 4F100 AK25A AK25B AK48B AK51B AN01A AR00A AS00B BA02 BA31 EJ91B GB90 JK07B JK10 JL09 JL14 JL14A

Claims (6)

【特許請求の範囲】[Claims] 【請求項1】 被養生面に直接接着し常温でフィルム状
又はシート状に固化する剥離容易な剥離用基材と、被養
生面に接着固化した剥離用基材の表面に接着固化して剥
離用基材を保護し養生後に剥離用基材と共に剥離する保
護材とから成ることを特徴とする養生用被覆材。
An easy-to-peel release substrate that directly adheres to a cured surface and solidifies into a film or sheet at room temperature, and an adhesive-solidified surface that is adhered and solidified to the cured surface. A protective material that protects the base material for protection and peels off together with the peeling substrate after curing.
【請求項2】 前記剥離用基材に天然ゴムを使用した請
求項1記載の養生用被覆材。
2. The curing material according to claim 1, wherein a natural rubber is used as the release substrate.
【請求項3】 前記剥離用基材は、天然ゴム50%〜70%
重量比に、アクリル酸エステル共重合体30%〜50%重量
比を混合した請求項1又は2記載の養生用被覆材。
3. The release substrate according to claim 1, wherein the natural rubber is 50% to 70%.
The curing material according to claim 1 or 2, wherein a weight ratio of 30 to 50% by weight of the acrylate copolymer is mixed with the weight ratio.
【請求項4】 前記保護材は、弾性ウレタンから成る請
求項1又は3記載の養生用被覆材。
4. A curing material according to claim 1, wherein said protective material is made of elastic urethane.
【請求項5】 前記保護材は、弾性ナイロンから成る請
求項1乃至4いずれか記載の養生用被覆材。
5. The curing covering material according to claim 1, wherein said protective material is made of elastic nylon.
【請求項6】 前記保護材は、弾性アクリルから成る請
求項1乃至5いずれか記載の養生用被覆材。
6. The curing material according to claim 1, wherein said protective material is made of elastic acrylic.
JP10352100A 1998-11-26 1998-11-26 Covering material for ageing Pending JP2000158598A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10352100A JP2000158598A (en) 1998-11-26 1998-11-26 Covering material for ageing

Publications (1)

Publication Number Publication Date
JP2000158598A true JP2000158598A (en) 2000-06-13

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Country Link
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62213879A (en) * 1986-03-17 1987-09-19 Dainippon Ink & Chem Inc Improved partial painting method
JPH0248079A (en) * 1988-08-09 1990-02-16 Shin Nippon Kutai Kaishiyuu Kk Method of curing exterior wall painting
JPH0423874A (en) * 1990-05-18 1992-01-28 Hodogaya Chem Co Ltd Elastic topcoating composition
JPH07185490A (en) * 1993-12-28 1995-07-25 Azuma Kogyo Kk Removal of oil contaminant
JPH09241541A (en) * 1996-03-05 1997-09-16 Kansai Paint Co Ltd Strippable water-base coating composition and use thereof
JPH10121007A (en) * 1996-10-23 1998-05-12 Bridgestone Corp Coating protective sheet
JPH10249981A (en) * 1997-03-17 1998-09-22 Daicel Amiboshi Sangyo Kk Plastic molding formed with protective film and its manufacture

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62213879A (en) * 1986-03-17 1987-09-19 Dainippon Ink & Chem Inc Improved partial painting method
JPH0248079A (en) * 1988-08-09 1990-02-16 Shin Nippon Kutai Kaishiyuu Kk Method of curing exterior wall painting
JPH0423874A (en) * 1990-05-18 1992-01-28 Hodogaya Chem Co Ltd Elastic topcoating composition
JPH07185490A (en) * 1993-12-28 1995-07-25 Azuma Kogyo Kk Removal of oil contaminant
JPH09241541A (en) * 1996-03-05 1997-09-16 Kansai Paint Co Ltd Strippable water-base coating composition and use thereof
JPH10121007A (en) * 1996-10-23 1998-05-12 Bridgestone Corp Coating protective sheet
JPH10249981A (en) * 1997-03-17 1998-09-22 Daicel Amiboshi Sangyo Kk Plastic molding formed with protective film and its manufacture

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