Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PRESSURE-SENSITIVE ADHESIVE FILM OR SHEET, SURFACE-PROTECTIVE FILM OR SHEET, AND METHOD OF USE FOR PROTECTING SURFACE OF ARTICLE
Document Type and Number:
WIPO Patent Application WO/2012/117685
Kind Code:
A1
Abstract:
This pressure-sensitive adhesive film or sheet includes a pressure-sensitive adhesive layer comprising an ethylene/alkyl (meth)acrylate copolymer (A). The ethylene/alkyl (meth)acrylate copolymer (A) is a random bipolymer of ethylene and an alkyl (meth)acrylate. The alkyl group of the alkyl (meth)acrylate has two or more carbon atoms. The copolymer (A) has a melting point measured in accordance with JIS K7121-1987, T [ºC], and a content of units of the alkyl (meth)acrylate, X [mol%], which satisfy relationship (1). -3.0X+125≥T≥-3.0X+107 (1) (The pressure-sensitive adhesive layer contains no highly crystalline ethylene- or propylene-based (co)polymer which has a melting point of 115ºC or above.)

Inventors:
AOYAMA MASATAKA (JP)
YAMAMOTO KOICHIRO (JP)
HIRONAKA YOSHITAKA (JP)
MORIMOTO ATSUSHI (JP)
ICHINOSEKI CHIKARA (JP)
Application Number:
PCT/JP2012/001091
Publication Date:
September 07, 2012
Filing Date:
February 20, 2012
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUI DU PONT POLYCHEMICAL (JP)
AOYAMA MASATAKA (JP)
YAMAMOTO KOICHIRO (JP)
HIRONAKA YOSHITAKA (JP)
MORIMOTO ATSUSHI (JP)
ICHINOSEKI CHIKARA (JP)
International Classes:
B32B27/00; B32B27/28; C09J7/22; C09J7/38; C09J11/08; C09J123/08; C09J133/08; C09J133/10
Domestic Patent References:
WO2006090722A12006-08-31
WO2009057624A12009-05-07
Foreign References:
JPH11263960A1999-09-28
JPH05229080A1993-09-07
JP2007204526A2007-08-16
JPH0748552A1995-02-21
JP3423308B22003-07-07
Attorney, Agent or Firm:
HAYAMI, SHINJI (JP)
Shinji Hayami (JP)
Download PDF:
View/Download PDF      PDF Help
Claims:



 
Previous Patent: ELECTRONIC DEVICE

Next Patent: METHOD FOR MANUFACTURING POROUS GLASS, AND METHOD FOR MANUFACTURING OPTICAL ELEMENT