The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 09, 2012
Filed:
Nov. 21, 2011
Toshihiko Sakuma, Warabi, JP;
Kouji Tabata, Warabi, JP;
Toshihiko Sakuma, Warabi, JP;
Kouji Tabata, Warabi, JP;
Lintec Corporation, Tokyo, JP;
Abstract
The present invention provides an adhesive sheet for attaching to a plasticized vinyl chloride resin article such as a blood bag made of a plasticized vinyl chloride resin, and having a center-line surface roughness Ra of 1.0 μm or higher, which includes a film substrate and a heat-sensitive adhesive layer formed on a backside surface of the film substrate, wherein the heat-sensitive adhesive layer is composed of a resin containing a crystalline polyester resin as a main component. The adhesive sheet of the present invention is excellent in adhesive property when the adhesive sheet is attached to the article made of a plasticized vinyl chloride resin. The adhesive strength of the adhesive sheet of the present invention is not decreased even after an autoclave treatment or storage at a low temperature.