Patent application number | Description | Published |
20110014410 | DOUBLE-SIDED PRESSURE-SENSITIVE ADHESIVE TAPE - The present invention provides a pressure-sensitive adhesive tape including a release liner A having a haze value of 5.0% or less. Since the double-sided pressure-sensitive adhesive tape of the invention has the aforementioned construction, it does not inhibit visual inspection of an adherend even in case that the visual inspection of adherend is carried out under a condition of still having the aforementioned release liner. Accordingly, it can be suitably used in the application for adhering optical members, and the like. | 01-20-2011 |
20110112249 | OPTICAL-USE PRESSURE-SENSITIVE ADHESIVE SHEET - The present invention provides an optical-use pressure-sensitive adhesive sheet, which includes a pressure-sensitive adhesive layer containing a polymer formed of one or more monomer ingredients containing, as an indispensable monomer ingredient, a monomer of which homopolymer has a glass transition temperature of not lower than −10° C., said sheet having a moisture content of at least 0.65% by weight after stored in an environment at 60° C. and 95% RH for 120 hours. The pressure-sensitive adhesive layer is preferably an acrylic pressure-sensitive adhesive layer. | 05-12-2011 |
20110250460 | TRANSPARENT ADHESIVE SHEET FOR FLAT PANEL DISPLAY, AND FLAT PANEL DISPLAY - The invention provides a transparent adhesive sheet for a flat panel display, which does not permit delamination on the adhesion surface to the glass plate even if a stress such as distortion, bending and the like is applied to the display, and does not produce bubbles in the boundary with the glass plate. The transparent adhesive sheet for a flat panel display comprised of a cured product of a composition comprising (A) a polyoxyalkylene based polymer having at least one alkenyl group in one molecule, (B) a compound having an average of not less than 2 hydrosilyl groups in one molecule, and (C) a hydrosilylation catalyst. | 10-13-2011 |
20110254790 | TRANSPARENT ADHESIVE SHEET FOR FLAT PANEL DISPLAY AND FLAT PANEL DISPLAY - The invention provides a transparent adhesive sheet for flat panel display, which shows superior level difference absorbability and does not develop bubbles in the adhesion surface to a plastic plate. The transparent adhesive sheet for flat panel display is made of a cured product of a composition comprising (A) a polyoxyalkylene based polymer having at least one alkenyl group in one molecule, (B) a compound having an average of not less than 2 and less than 5 hydrosilyl groups in one molecule, and (C) a hydrosilylation catalyst, wherein the transparent adhesive sheet has a shear storage elastic modulus (G′) of not more than 1.0×10 | 10-20-2011 |
20120064275 | OPTICAL PRESSURE-SENSITIVE ADHESIVE SHEET - The present invention provides an optical pressure-sensitive adhesive sheet having excellent punching processability. The optical pressure-sensitive adhesive sheet includes: a pressure-sensitive adhesive body; and a separator on at least one side of the pressure-sensitive adhesive body, where the separator has a Young's modulus of 2 GPa or more in a machine direction and a transverse direction, a breaking strength of 400 MPa or less in a machine direction and a transverse direction, and a thickness of 70 μm or more and 250 μm or less, and a release force of the separator to the pressure-sensitive adhesive body in a 180° peel test at a tensile speed of 30 m/min is 0.8 N/50 mm or more. | 03-15-2012 |
20120064276 | OPTICAL PRESSURE-SENSITIVE ADHESIVE SHEET - The present invention provides an optical pressure-sensitive adhesive sheet having excellent punching processability. The optical pressure-sensitive adhesive sheet includes: a pressure-sensitive adhesive body; and a separator on at least one side of the pressure-sensitive adhesive body, wherein the separator has a Young's modulus of 2 GPa or more in a machine direction and a transverse direction, a breaking strength of 400 MPa or less in a machine direction and a transverse direction, and a thickness of 25 or more and less than 70 μm, and a release force of the separator to the pressure-sensitive adhesive body in a 180° peel test at a tensile speed of 30 m/min is 1.2 N/50 mm or more. | 03-15-2012 |
20120064325 | DOUBLE-SIDED PRESSURE-SENSITIVE ADHESIVE SHEET - The present invention provides a pressure-sensitive adhesive sheet which is capable of shielding electromagnetic waves and has an excellent transparency. The pressure-sensitive adhesive sheet according to the present invention includes a conductive film and pressure-sensitive adhesive layers on both sides of the conductive film and has a total light transmittance of 80% or more and a haze of 5% or less, wherein at least one surface of the conductive film has a surface resistivity of 500Ω/□ or less. The conductive film preferably, includes a conductive layer and a film substrate layer. The double-sided pressure-sensitive adhesive sheet preferably has a thickness of 3 to 2,000 μm. | 03-15-2012 |
20120100359 | OPTICAL PRESSURE-SENSITIVE ADHESIVE SHEET, OPTICAL FILM AND DISPLAY DEVICE - The present invention provides an optical pressure-sensitive adhesive sheet in which white turbidity is not caused by humidification and durability is excellent as well. The present invention provides an optical pressure-sensitive adhesive sheet, comprising: a pressure-sensitive adhesive layer in which a moisture ratio after storage under an environment of 60° C. and 95% RH for 120 hours is 0.65 wt % or more, and a shear storage elastic modulus at 85° C. which is measured by a dynamic viscoelastic measurement is 5.0×10 | 04-26-2012 |
20120214936 | OPTICAL PRESSURE-SENSITIVE ADHESIVE SHEET - The present invention provides an optical pressure-sensitive adhesive sheet which has low relative dielectric constant, does not cause white turbidity by humidification, and is excellent in corrosion resistance. The present invention relates to an optical pressure-sensitive adhesive sheet, comprising: a pressure-sensitive adhesive layer in which a relative dielectric constant at a frequency of 100 kHz is 4 or less, and a moisture ratio after storage under an environment of 60° C. and 95% RH for 120 hours is 0.65 wt % or more. The optical pressure-sensitive adhesive sheet preferably has a total light transmittance of 90% or more and a haze of 3% or less. | 08-23-2012 |
20130158221 | OPTICAL PRESSURE-SENSITIVE ADHESIVE SHEET - The present invention provides an optical pressure-sensitive adhesive sheet which can control the change in capacitance, which cause malfunction, when the optical pressure-sensitive adhesive sheet is applied to an optical member. The present invention provides an optical pressure-sensitive adhesive sheet including a pressure-sensitive adhesive layer, wherein a relative dielectric constant at a frequency of 1 MHz is 2 to 8, and a dielectric tangent at a frequency of 1 MHz is more than 0 and 0.2 or less. | 06-20-2013 |