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1. 发明专利

CA2348172C SHEET FOR PROTECTING PAINT FILM 未知
公开(公告)号：CA2348172C
公开(公告)日：2008-03-18
申请号：CA2348172
申请日：2001-05-18
申请人： NITTO DENKO CORP , KANSAI PAINT CO LTD
发明人： KOBAYASHI YOSHIKI , EDA TAKESHI , UEDA HIROSHI , MATSUI KOMAHARU , AKAKI YU , HORADA MITSURU , INOUE TSUYOSHI , SHIBATA KENICHI , SANO KENJI , HAYASHI KEIJI
IPC分类号： C09J7/02 , C09J121/00 , C09J123/22 , C09J125/04 , C09J125/10 , C09J157/02 , C09J187/00
摘要： A sheet for protecting a paint film, the sheet comprising a substrate and formed on one side thereof a rubber-based pressure-sensitive adhesive layer which comprises a rubbery polymer and incorporated therein a copolymer of at least one aromatic compound with at least one terpene compound or aliphatic hydrocarbon compound. The sheet can be efficiently applied and satisfactorily adhered to a paint film and retain the satisfactorily adherent state over long. After accomplishment of the protection, the sheet can be easily peeled off and is less apt to foul the paint film even when the paint film is of the type susceptible to fouling upon protective sheet removal. No cleaning treatment is hence necessary.

2. 发明专利

DE60110864T2 未知
公开(公告)号：DE60110864T2
公开(公告)日：2005-10-20
申请号：DE60110864
申请日：2001-06-01
申请人： NITTO DENKO CORP , KANSAI PAINT CO LTD
发明人： INOUE TSUYOSHI , SANO KENJI , KOBAYASHI YOSHIKI , SHIBATA KENICHI , HAYASHI KEIJI , HORADA MITSURU , MATSUI KOMAHARU , AKAKI YU , EDA TAKESHI , UEDA HIROSIH
IPC分类号： C09J7/02 , C09J121/00 , C09J125/04 , C09J157/02 , C09J187/00
摘要： A sheet for protecting a paint film, the sheet comprising a substrate and formed on one side thereof a rubber-based pressure-sensitive adhesive layer which comprises a rubbery polymer and incorporated therein a copolymer of at least one aromatic compound with at least one terpene compound or aliphatic hydrocarbon compound. The sheet can be efficiently applied and satisfactorily adhered to a paint film and retain the satisfactorily adherent state over long. After accomplishment of the protection, the sheet can be easily peeled off and is less apt to foul the paint film even when the paint film is of the type susceptible to fouling upon protective sheet removal. No cleaning treatment is hence necessary.

3. 发明专利

DE60110864D1 未知
公开(公告)号：DE60110864D1
公开(公告)日：2005-06-23
申请号：DE60110864
申请日：2001-06-01
申请人： NITTO DENKO CORP , KANSAI PAINT CO LTD
发明人： INOUE TSUYOSHI , SANO KENJI , KOBAYASHI YOSHIKI , SHIBATA KENICHI , HAYASHI KEIJI , HORADA MITSURU , MATSUI KOMAHARU , AKAKI YU , EDA TAKESHI , UEDA HIROSIH
IPC分类号： C09J7/02 , C09J121/00 , C09J125/04 , C09J157/02 , C09J187/00
摘要： A sheet for protecting a paint film, the sheet comprising a substrate and formed on one side thereof a rubber-based pressure-sensitive adhesive layer which comprises a rubbery polymer and incorporated therein a copolymer of at least one aromatic compound with at least one terpene compound or aliphatic hydrocarbon compound. The sheet can be efficiently applied and satisfactorily adhered to a paint film and retain the satisfactorily adherent state over long. After accomplishment of the protection, the sheet can be easily peeled off and is less apt to foul the paint film even when the paint film is of the type susceptible to fouling upon protective sheet removal. No cleaning treatment is hence necessary.

4. 发明专利

CA2348172A1 SHEET FOR PROTECTING PAINT FILM 未知
公开(公告)号：CA2348172A1
公开(公告)日：2001-12-09
申请号：CA2348172
申请日：2001-05-18
申请人： NITTO DENKO CORP , KANSAI PAINT CO LTD
发明人： AKAKI YU , SHIBATA KENICHI , KOBAYASHI YOSHIKI , EDA TAKESHI , HAYASHI KEIJI , UEDA HIROSHI , HORADA MITSURU , SANO KENJI , MATSUI KOMAHARU , INOUE TSUYOSHI
IPC分类号： C09J7/02 , C09J121/00 , C09J125/04 , C09J157/02 , C09J187/00 , C08J7/04 , C09J125/10 , C09J123/20
摘要： A sheet for protecting a paint film, the sheet comprising a substrate and formed on one side thereof a rubber-based pressure-sensitive adhesive layer which comprises a rubbery polymer and incorporated therein a copolymer of at least one aromatic compound with at least one terpene compound or aliphatic hydrocarbon compound. The sheet can be efficiently applied and satisfactorily adhered to a paint film and retain the satisfactorily adherent state over long. After accomplishment of the protection, the sheet can be easily peeled off and is less apt to foul the paint film even when the paint film is of the type susceptible to fouling upon protective sheet removal. No cleaning treatment is hence necessary.

5. 发明专利

JP2001172588A COATING FILM PREVENTIVE SHEET AND ITS PREPARATION METHOD 失效
公开(公告)号：JP2001172588A
公开(公告)日：2001-06-26
申请号：JP36123599
申请日：1999-12-20
申请人： NITTO DENKO CORP , KANSAI PAINT CO LTD
发明人： SHIBATA KENICHI , YAMAGUCHI YASUO , NATSUME MASAYOSHI , HAYASHI KEIJI , TAKADA SHINICHI , KOBAYASHI YOSHIKI , MATSUI KOMAJI , EDA TAKESHI , UEDA HIROSHI
IPC分类号： C09J7/04 , C09J153/00
摘要： PROBLEM TO BE SOLVED: To develop a coating film preventive sheet which has enough coating film preventive properties and can be easily removed after the achievement of protection and which can apply a highly reliable adhesive cover without wrinkles and lifting even on curved surfaces and which can prevent rain water and cleaning fluids from pooling thereon and which can prevent quality change and fouling such as color change of the coating film. SOLUTION: The coating film preventive sheet is obtained by bringing a laminate layer obtained by coextrusion of a hot melt adhesive layer and a thermoplastic polymer layer with a thickness of 40 μm or less into intimate contact with one side of a fibrous substrate via the thermoplastic polymer layer and the preparation method of the coating film preventive sheet comprises coextrusion of a thermoplastic polymer and a hot melt adhesive on one side of a fibrous substrate to laminate the same via the thermoplastic polymer layer. Therefore, the adhesive layer can be attached via the thin thermoplastic polymer layer with high adhesion and it can prevent the adhesive from remaining when the adhesive cover is removed and can prevent the decrease in adhesion caused by the adhesive layer buried in the substrate.

6. 发明专利

JP2001240820A COATING FILM PROTECTIVE SHEET, METHOD OF PRODUCING THE SAME, AND METHOD OF APPLYING THE SAME 失效
公开(公告)号：JP2001240820A
公开(公告)日：2001-09-04
申请号：JP2000052802
申请日：2000-02-29
申请人： NITTO DENKO CORP , KANSAI PAINT CO LTD
发明人： SHIBATA KENICHI , OYAMA TAKATERU , SANO KENJI , NATSUME MASAYOSHI , KOBAYASHI YOSHIKI , HAYASHI KEIJI , MATSUI KOMAJI , AKAGI TAKESHI , EDA TAKESHI , UEDA HIROSHI
IPC分类号： B32B7/12 , B32B27/00 , C09J7/02 , C09J121/00
摘要： PROBLEM TO BE SOLVED: To develop a coating film protective sheet bondable well even to a hardly bonding film readily causing a defective bonding by bleeding, etc., with a good operating efficiency without requiring washing treatment and capable of sustaining the good bonded state for a long period and preventing a stripping phenomenon, easily strippable after achieving the purpose of protection and scarcely causing the fouling of the film by a migrating substance. SOLUTION: This coating film protective sheet is obtained by forming a rubber-based adhesive layer having a surface-modified layer having a functional group concentration higher than that in the interior and having

7. 发明专利

JP2001348549A COATING FILM-PROTECTIVE SHEET 失效
公开(公告)号：JP2001348549A
公开(公告)日：2001-12-18
申请号：JP2000173048
申请日：2000-06-09
申请人： NITTO DENKO CORP , KANSAI PAINT CO LTD
发明人： INOUE TAKESHI , SANO KENJI , KOBAYASHI YOSHIKI , SHIBATA KENICHI , HAYASHI KEIJI , HORATA MITSURU , MATSUI KOMAJI , AKAGI TAKESHI , EDA TAKESHI , UEDA HIROSHI
IPC分类号： C09J7/02 , C09J121/00 , C09J125/04 , C09J157/02 , C09J187/00
摘要： PROBLEM TO BE SOLVED: To obtain a coating film-protective sheet highly adhesive in good operating efficiency even to a coating film tending to leave stains thereon and capable of sustaining the resultant good adhesion for a long period, easily peelable after attaining the purpose of protection with seldom causing coating film staining, therefore needing no washing treatment of the coating film. SOLUTION: This coating film-protective sheet is obtained by providing a substrate with a rubber-based adhesive layer formed by compounding a rubber- based polymer with at least a copolymer of an aromatic compound and a terpene-based compound or aliphatic hydrocarbon compound.

8. 发明专利

JP2001348544A COVERING SHEET 失效
公开(公告)号：JP2001348544A
公开(公告)日：2001-12-18
申请号：JP2000173047
申请日：2000-06-09
申请人： NITTO DENKO CORP , KANSAI PAINT CO LTD
发明人： HORATA MITSURU , HAYASHI KEIJI , SANO KENJI , KOBAYASHI YOSHIKI , SHIBATA KENICHI , INOUE TAKESHI , NATSUME MASAYOSHI , OYAMA TAKATERU , MATSUI KOMAJI , AKAGI TAKESHI , EDA TAKESHI , UEDA HIROSHI
IPC分类号： B32B5/18 , B32B25/08 , B32B27/00 , C09J7/02 , C09J123/20 , C09J153/00
摘要： PROBLEM TO BE SOLVED: To obtain a covering sheet satisfying such protective performance as to cause no damage of its coating film even if medium-sized matter such as pebbles, hail or working tools larger than dust, rain droplets or the like hit thereagainst while being prevented from malappearance such as coating film level difference and/or debonding of the curved part and occurrence of peeling under transportation activity. SOLUTION: This covering sheet is obtained by providing one side of a substrate of resin foam with an adhesive layer with the outer surface roughened. This covering sheet thus obtained has the following advantages: even in the case of increased thickness of the substrate, the sheet is deformed smoothly in compliance with even a curved area through exhibiting favorable flexibility and moderate stretchability and excellent in protective function for matter hit thereagainst by the aid of cushionability owing to its increased thickness and foam structure, and air bubbles are hard to be entrained in making an adhesive covering and wrinkles seldom occur as well.

9. 发明专利

JP2003206456A PROTECTING SHEET FOR AUTOMOBILE COATING FILM 审中-公开
公开(公告)号：JP2003206456A
公开(公告)日：2003-07-22
申请号：JP2002004181
申请日：2002-01-11
申请人： NITTO DENKO CORP , KANSAI PAINT CO LTD
发明人： INOUE TAKESHI , SHIBATA KENICHI , WASAI KANAKO , KOBAYASHI YOSHIKI , BABA NORIHIDE , AKAGI TAKESHI , EDA TAKESHI , UEDA HIROSHI
IPC分类号： C09J7/02 , C09J123/22 , C09J133/00
摘要： PROBLEM TO BE SOLVED: To provide a protecting sheet for an automobile coating film, hardly generating wrinkles, etc., on coating work of the automobile coating film and capable of bonding in a good closely adhering state. SOLUTION: This protecting sheet for an automobile coating film has a polyisobutylene-based adhesive layer consisting of an isobutylene-based polymer as a base polymer on the one side surface of a supporting substrate, and the adhesive layer is surface coated with an acrylic polymer. The protecting sheet can be bonded to the automobile coating film in a good adhesive power in a state without having wrinkles, etc., and easily peeled off even on sticking the adhesive layers themselves to each other, and is excellent in cover working property. It can cover a hardly adherent automobile coating film having an excellent water repelling property and soiling resistance with a good adhesive strength, hardly has the elevation of adhesive strength with time after the covering and is easily re-peeled off from the automobile coating film after achieving the objective of the protection without leaving a residual adhesive. It also hardly generates an adhesion mark after the re-peeling caused by the deformation of the automobile coating film such as a fine coating film gap, etc., tending to be formed at an end part of the protecting sheet or a mingled-in bubble part even by repeating the expansion and shrinkage, etc., of the protecting sheet caused by the temperature change during transportation in outdoors. COPYRIGHT: (C)2003,JPO

10. 发明专利

JP2001207136A SHEET FOR PROTECTING COATING FILM 失效
公开(公告)号：JP2001207136A
公开(公告)日：2001-07-31
申请号：JP2000017288
申请日：2000-01-26
申请人： NITTO DENKO CORP , KANSAI PAINT CO LTD
发明人： HAYASHI KEIJI , SHIBATA KENICHI , SANO KENJI , INOUE TAKESHI , KOBAYASHI YOSHIKI , HORATA MITSURU , MATSUI KOMAJI , AKAGI TAKESHI , EDA TAKESHI , UEDA HIROSHI
IPC分类号： C09J7/02 , C09J109/06 , C09J123/00 , C09J153/02
摘要： PROBLEM TO BE SOLVED: To obtain a sheet for protecting coating film, satisfying essential faculties such as protective function for coating film from suspended matter, collisional matter and the like and easy removal after accomplishing protective purpose, capable of adhesively covering curved surface with high reliability and no generation of wrinkles, capable of preventing infiltration and retention of rainwater, cleaning solution and the like and capable of avoiding stain such as the deterioration, discoloration and the like of the coating film. SOLUTION: This sheet for protecting coating film has an adhesive layer on one side of a fibrous substrate, comprising a base polymer of a hydrogenated random copolymer made from 1-40 wt.% styrene and 99-60 wt.% diene-based hydrocarbon. The sheet can adhesively cover well the coating film with satisfying protecting function for coating film, based on good deformation followable to curved surface and originated in flexibility and proper stretcheable tolerance of the fibrous substrate, satisfies easily peeling and removing properties, deforms no coating film with the adhesive layer and is applicable as an adhesive cover for a soft coating film such as coating film on a car bumper.

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