Patent application number | Description | Published |
20120064339 | PRESSURE-SENSITIVE ADHESIVE COMPOSITION FOR SURFACE PROTECTIVE FILMS AND USE THEREOF - The present invention provides a surface protective film that exhibits small differences in peel strength on account of the surface state of an adherend and that is excellent in anti-contamination to adherends, and a pressure-sensitive adhesive (PSA) composition for the protective film. The PSA composition provided by the present invention comprises 0.01 to 5 parts by weight of a compound containing an oxypropylene group with respect to 100 parts by weight of an acrylic polymer as a base polymer. A surface protective film | 03-15-2012 |
20120202055 | PRESSURE-SENSITIVE ADHESIVE SHEET AND SURFACE PROTECTIVE FILM - A pressure-sensitive adhesive sheet | 08-09-2012 |
20130034728 | PRESSURE-SENSITIVE ADHESIVE COMPOSITIONS, PRESSURE-SENSITIVE ADHESIVE LAYERS, AND PRESSURE-SENSITIVE ADHESIVE SHEETS - The present invention provides a pressure-sensitive adhesive composition which is excellent in removability, peel adhesive power temporal stability and staining properties; a pressure-sensitive adhesive layer produced with the same; and a pressure-sensitive adhesive sheet. The present invention also provides a pressure-sensitive adhesive composition which can prevent electrification of a non-antistatic protected adherend when peeled off using an ionic compound which is an antistatic agent, and is less likely to cause lifting and is also excellent in removability; a pressure-sensitive adhesive layer produced with the same; and a pressure-sensitive adhesive sheet. | 02-07-2013 |
20130260147 | PRESSURE-SENSITIVE ADHESIVE SHEET AND OPTICAL MEMBER - The prevent invention provides a pressure-sensitive adhesive sheet which can prevent increase of the adhesion with the lapse of time, has low adhesion at the time of high speed peeling, and is excellent in removability and workability. The pressure-sensitive adhesive sheet has a pressure-sensitive adhesive layer formed using a pressure-sensitive adhesive composition on one or both surfaces of a supporting film and is characterized in that the adhesion ratio (B/A) of the adhesion (A) at a peeling speed of 30 m/min after 30 minute-bonding of the pressure-sensitive adhesive surface of the pressure-sensitive adhesive layer to a TAC surface at 23° C. and the adhesion (B) at a peeling speed of 30 m/min after one day-bonding of the pressure-sensitive adhesive surface of the pressure-sensitive adhesive layer to a TAC surface at 50° C. is in a range of 0.5 to 1.5. | 10-03-2013 |
20130260148 | PRESSURE-SENSITIVE ADHESIVE SHEETS - The present invention provides a pressure-sensitive adhesive sheet having an adequate adhesion so as not to cause blistering and peeling with the lapse of time and is excellent in re-peeling property and workability. The pressure-sensitive adhesive sheet provided is a pressure-sensitive adhesive sheet having a pressure-sensitive adhesive layer formed using a pressure-sensitive adhesive composition on one or both surfaces of a supporting film, in which the shift length after 30 minutes from a creep test carried out at 23° C. and a shearing load of 500 g by bonding an adhesive area of 200 mm | 10-03-2013 |
20130266805 | PRESSURE-SENSITIVE ADHESIVE COMPOSITION, PRESSURE-SENSITIVE ADHESIVE SHEET, AND OPTICAL MEMBER - The present invention provides a pressure-sensitive adhesive composition which can form a pressure-sensitive sheet excellent in adhesive properties (adherability, easy peeling property at the time of high speed peeling, and re-peeling property) and the antistatic property and which has long pot life. The pressure-sensitive composition of the present invention is a pressure-sensitive adhesive composition comprising a (meth)acryl-based polymer composed of, as raw material monomers, a (meth)acryl-based monomer having an alkyl group of 1 to 14 carbon atoms and a hydroxyl group-containing (meth)acryl-based monomer, an alkali metal salt, and a catalyst having iron as an active center, wherein the hydroxyl group-containing (meth)acryl-based monomer is contained in an amount of 6 parts by weight or more to 100 parts by weight of the (meth)acryl-based monomer having an alkyl group of 1 to 14 carbon atoms. | 10-10-2013 |
20130280527 | SURFACE PROTECTION FILM - The invention provides a surface protection film including a top coat layer on a first face of a substrate, and a pressure-sensitive adhesive layer on a second face. The top coat layer includes a wax as a slip agent, and a polyester resin as a binder. Here, the wax is an ester of a higher fatty acid and a higher alcohol. | 10-24-2013 |
20140377551 | PRESSURE-SENSITIVE ADHESIVE COMPOSITION, SURFACE PROTECTIVE FILM, AND OPTICAL MEMBER - Provided is a pressure-sensitive adhesive composition for acrylic film protection which can forma surface protective film (pressure-sensitive adhesive sheet) excellent in antistatic properties, adherability, removability and workability for acrylic films (acrylic resins) and usable for acrylic film protection. The pressure-sensitive adhesive composition for acrylic film protection of the invention contains a (meth)acrylic polymer containing a (meth)acrylic monomer having an alkyl group of 1 to 14 carbon atoms in a proportion of 50 to 99.9 wt % as a monomer component, a tri-functional isocyanate crosslinking agent, a di-functional isocyanate crosslinking agent, an organopolysiloxane having oxyalkylene chains, and an ionic compound. | 12-25-2014 |
20150037576 | PRESSURE-SENSITIVE ADHESIVE SHEET AND OPTICAL MEMBER - A pressure-sensitive adhesive sheet having a supporting film, a pressure-sensitive adhesive layer formed from a pressure-sensitive adhesive composition on one surface of the supporting film, and a top coat layer on the other surface opposite to the surface having the pressure-sensitive adhesive layer of the supporting film, wherein the top coat layer contains wax as a lubricant and a polyester resin as a binder and having the properties as defined. | 02-05-2015 |
20150037577 | PRESSURE-SENSITIVE ADHESIVE SHEET AND OPTICAL MEMBER - A pressure-sensitive adhesive sheet having a supporting film, a pressure-sensitive adhesive layer formed from a pressure-sensitive adhesive composition on one surface of the supporting film, and a top coat layer on the other surface opposite to the surface having the pressure-sensitive adhesive layer of the supporting film, wherein the top coat layer contains wax as a lubricant and a polyester resin as a binder; and the pressure-sensitive adhesive composition contains a (meth)acryl-based polymer as defined. | 02-05-2015 |
20150037578 | PRESSURE-SENSITIVE ADHESIVE SHEET AND OPTICAL MEMBER - A pressure-sensitive adhesive sheet having a supporting film, a pressure-sensitive adhesive layer formed from a pressure-sensitive adhesive composition on one surface of the supporting film, and a top coat layer on the other surface opposite to the surface having the pressure-sensitive adhesive layer of the supporting film, wherein the top coat layer contains wax as a lubricant and a polyester resin as a binder and having the properties as defined. | 02-05-2015 |