Patent application number | Description | Published |
20090291301 | PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND USE THEREOF - The present invention relates to a pressure-sensitive adhesive composition used for a pressure-sensitive adhesive sheet to be directly attached to a metal surface, the composition including, a monomer mixture or an acrylic copolymer material obtained by at least partially polymerizing the monomer mixture, the monomer mixture including: at least one monomer (monomer m1) selected from alkyl(meth)acrylates represented by the following formula (I): CH | 11-26-2009 |
20110124833 | MEDICAL PRESSURE-SENSITIVE ADHESIVE COMPOSITION - There is provided a medical pressure-sensitive adhesive composition including an acrylic copolymer obtained by copolymerizing monomer components containing (a) at least one kind of a monomer of a (meth)acrylic acid alkyl ester and (b) at least one kind of a monomer of an N-hydroxyalkyl(meth)acrylamide, wherein: a content of the (meth)acrylic acid alkyl ester monomer (a) with respect to a total amount of the monomer components is 50 weight % to 99.9 weight % and a content of the N-hydroxyalkyl(meth)acrylamide monomer (b) with respect to the total amount is 0.1 weight % to 20 weight %; and the monomer components are substantially free of a monomer having a carboxyl group. The medical pressure-sensitive adhesive composition of the present invention is particularly suitable for applications such as medical patches and patch preparations. | 05-26-2011 |
20120258247 | PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET - Provided are a PSA composition capable of forming a PSA having an excellent high-temperature cohesive strength and low-temperature adhesive strength with low corrosiveness to metal; and a PSA sheet formed of the composition. The PSA composition comprises a copolymerization product of a monomer mixture having a composition containing at least an alkyl(meth)acrylate having an alkyl group with 1 to 20 carbon atoms and an oxazoline-group-containing unsaturated monomer (monomer m | 10-11-2012 |
20120276378 | DOUBLE-COATED PRESSURE-SENSITIVE ADHESIVE SHEET FOR OPTICAL USE - An object of the present invention is to provide a double-coated pressure-sensitive adhesive sheet for optical use satisfying both high corrosion resistance and adhesion reliability. The double-coated pressure-sensitive adhesive sheet for optical use according to the present invention has a pressure-sensitive adhesive layer having a resistance ratio determined by a specific corrosion resistance test of from 90 to 120 and an average air bubble diameter of air bubbles determined by a specific bubbling delamination resistance test of 1.0 mm or less. Further, the double-coated pressure-sensitive adhesive sheet for optical use according to the present invention preferably has a total light transmittance of 90% or more and a haze of 1.5% or less. | 11-01-2012 |
20120328873 | OPTICAL PRESSURE-SENSITIVE ADHESIVE SHEET - Provided is an optical pressure-sensitive adhesive sheet having satisfactory colorlessness/transparency, excels in whitening resistance, high-temperature bonding reliability, bump absorptivity, and in workability. The sheet includes a plastic film substrate and, on at least one side thereof, an acrylic pressure-sensitive adhesive layer and has a moisture content of 0.65 percent by weight or more after storage in an environment of 60° C. and 95% RH for 120 hours. The plastic film substrate has a total light transmittance of 88% or more, an internal haze of 1.5% or less, a b* value of −0.5 to 0.5, and a thickness of 12 to 75 μm, the acrylic pressure-sensitive adhesive layer contains an acrylic polymer and has a storage shear modulus at 23° C. of 0.8×10 | 12-27-2012 |
20120329970 | OPTICAL PRESSURE-SENSITIVE ADHESIVE SHEET - Provided is an optical pressure-sensitive adhesive sheet which excels in whitening resistance and high-temperature bonding reliability and exhibits superior bump absorptivity. The optical pressure-sensitive adhesive sheet according to the present invention includes an acrylic pressure-sensitive adhesive layer and has a moisture content of 0.65 percent by weight or more after storage in an environment of 60° C. and 95 percent relative humidity for 120 hours, in which the acrylic pressure-sensitive adhesive layer contains an acrylic polymer and has a storage shear modulus at 23° C. of from 0.8×10 | 12-27-2012 |
20130005911 | ACRYLIC PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND ACRYLIC PRESSURE-SENSITIVE ADHESIVE TAPE - An acrylic pressure-sensitive adhesive composition contains: an acrylic polymer (A); and a (meth)acrylic polymer (B) that includes, as a monomer unit, a (meth)acrylic monomer having a tricyclic or higher alicyclic structure and that has a weight average molecular weight of 1000 or more and less than 30000. | 01-03-2013 |
20130011672 | ACRYLIC PRESSURE-SENSITIVE ADHESIVE TAPE - An acrylic pressure-sensitive adhesive tape includes a core layer and a surface layer provided on one or both sides of the core layer. The core layer contains an acrylic polymer (A), and the surface layer contains an acrylic polymer (D) and a (meth)acrylic polymer (E) that includes, as a monomer unit, a (meth)acrylic monomer having a tricyclic or higher alicyclic structure and that has a weight average molecular weight of 1000 or more and less than 30000. | 01-10-2013 |
20130274419 | ACRYLIC PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND ACRYLIC PRESSURE-SENSITIVE ADHESIVE TAPE - An acrylic pressure-sensitive adhesive composition contains: an acrylic polymer (A); and a (meth)acrylic polymer (B) that includes, as a monomer unit, a (meth)acrylic monomer having a tricyclic or higher alicyclic structure and that has a weight average molecular weight of 1000 or more and less than 30000. | 10-17-2013 |