摘要:
Disclosed are a pressure-sensitive adhesive composition comprising a reactive mixture of a relatively low molecular weight acrylic prepolymer containing highly reactive hydroxyl groups in the molecule thereof which is obtained by copolymerizing two alkyl acrylate monomers satisfying a specific relationship and, as a chain extender, a polyfunctional isocyanate mainly exhibiting bifunctionality; a pressure-sensitive adhesive composition comprising the above reactive mixture and a relatively high molecular weight polymer component; and pressure-sensitive adhesive sheets having a pressure-sensitive adhesive layer comprising those pressure-sensitive adhesive compositions. Because the molecular chain of the acrylic prepolymer is extended efficiently, the amount of an organic solvent required for viscosity adjustment can be decreased.
摘要:
The present invention has an object to provide an electroconductive pressure-sensitive adhesive tape that does not cause separator lifting. In particular, it is an object of the present invention to provide an electroconductive pressure-sensitive adhesive tape that does not cause separator lifting even when the tape is wound into a roll shape or has a long length and that has excellent protective properties for the pressure-sensitive adhesive layer and excellent handling properties. The electroconductive pressure-sensitive adhesive tape of the present invention includes an electroconductive pressure-sensitive adhesive tape main body having a pressure-sensitive adhesive layer on one side of a metal foil and a terminal formed on the metal foil and penetrating the pressure-sensitive adhesive layer, and includes a separator provided on a surface of the pressure-sensitive adhesive layer and having an elongation of 600% or more in the longitudinal direction.
摘要:
The double-sided pressure-sensitive adhesive tape or sheet is a double-sided pressure-sensitive adhesive tape or sheet containing a support having a pressure-sensitive adhesive layer on the both surfaces thereof, characterized in that the double-sided pressure-sensitive adhesive tape or sheet has a total thickness including the thickness of the support and the two pressure-sensitive adhesive layers formed on the both surfaces of the support of 0.003 mm or more and less than 0.03 mm and a breaking strength of from 2 to 26 MPa/10 mm-width. The support preferably has a thickness of from 0.002 to 0.012 mm. As the support, plastic films (especially, a polyethylene terephthalate film) are suitable. The double-sided pressure-sensitive adhesive tape or sheet may have a length of 5 m or more and have a roll-wound form.
摘要:
Disclosed is a heat-activated adhesive sheet which includes a heat-activated adhesive layer, and two release liners arranged so as to sandwich and protect the heat-activated adhesive layer. One of the two release liners is a release liner containing a polyolefinic film as a base material, and the other is a release liner containing a polyester film as a base material. This heat-activated adhesive sheet has a transfer heat-activated adhesive layer, can thereby have a small thickness, is unlikely to suffer from “unintended separation”, and is unlikely to cause lifting and delamination of release liners when the sheet is stored as a roll.
摘要:
The double-sided pressure-sensitive adhesive tape or sheet is a double-sided pressure-sensitive adhesive tape or sheet containing a support having a pressure-sensitive adhesive layer on the both surfaces thereof, characterized in that the double-sided pressure-sensitive adhesive tape or sheet has a total thickness including the thickness of the support and the two pressure-sensitive adhesive layers formed on the both surfaces of the support of 0.003 mm or more and less than 0.03 mm and a breaking strength of from 2 to 26 MPa/10 mm-width. The support preferably has a thickness of from 0.002 to 0.012 mm. As the support, plastic films (especially, a polyethylene terephthalate film) are suitable. The double-sided pressure-sensitive adhesive tape or sheet may have a length of 5 m or more and have a roll-wound form.
摘要:
Provided is a double-faced pressure-sensitive adhesive tape superior in processability and workability during operation in solar cell modules.The double-faced pressure-sensitive adhesive tape according to the present invention is a double-faced pressure-sensitive adhesive tape having an acrylic pressure-sensitive adhesive layer containing bubbles and/or hollow microspheres, characterized in that the frictional force, which is defined as the stress applied when a sample of 2 cm×2 cm in size having a 30 g load fixed on at least one side of the acrylic pressure-sensitive adhesive layer containing bubbles and/or hollow microspheres, is pulled on an aluminum plate in the horizontal direction at a speed of 300 mm/min, is 0.01 to 1.0 N/cm2.
摘要翻译:提供了在太阳能电池模块的操作中加工性和加工性优异的双面压敏粘合带。 根据本发明的双面压敏粘合带是具有含有气泡和/或中空微球的丙烯酸类压敏粘合剂层的双面粘合带,其特征在于定义的摩擦力 当在具有气泡和/或中空微球的丙烯酸类压敏粘合剂层的至少一侧上固定有30g载荷的2cm×2cm尺寸的样品的应力施加在铝板上时 水平方向为300mm / min,为0.01〜1.0N / cm 2。
摘要:
Disclosed is a double-faced pressure-sensitive adhesive tape or sheet including a substrate and, respectively arranged on both sides thereof, two pressure-sensitive adhesive layers. The thickness from the surface of one of the two pressure-sensitive adhesive layers to that of the other pressure-sensitive adhesive layer is 25 μm or less. The two pressure-sensitive adhesive layers have different adhesive strengths, and a pressure-sensitive adhesive layer having a lower adhesive strength has a tack in terms of ball number 3 or greater as determined according to the inclined type ball tack testing method specified in JIS Z 0237 at an inclination angle of 30°, a temperature of 23° C., and relative humidity of 65%. The substrate preferably has a thickness of 10 μm or less and more preferably has a thickness of 3 μm or less. Each of the two pressure-sensitive adhesive layers preferably has a thickness of 6 μm or less. The double-faced pressure-sensitive adhesive tape or sheet is thin, can securely affix adherends when applied, and can be easily separated from one of the adherends when peeled off.
摘要:
Provided is an electroconductive pressure-sensitive adhesive tape which can exhibit stable electrical conductivity even when used over a long duration and/or used under severe environmental conditions. The electroconductive pressure-sensitive adhesive tape has a metallic foil and, on one side thereof, a pressure-sensitive adhesive layer, in which the electroconductive pressure-sensitive adhesive tape has a maximum resistance in the first cycle of 1 Ω or less and has a maximum resistance in the 200th cycle being 5 times or less the maximum resistance in the first cycle, as measured in a thermo-cycle test.
摘要:
An object of the present invention is to provide an insulating tape superior in durability in appearance that is resistant to yellowing even when used under severe environment (for example, under high-temperature and high-humidity condition) or for an extended period of time and also to deterioration in appearance of the device employing the insulating tape. The insulating tape includes a plastic film base and a pressure-sensitive adhesive layer formed on at least one side of the plastic film base, the insulating tape has a b* value after storage in an environment of 85° C. and 85% RH for 500 hours of 3.0 or less.
摘要:
The double-sided pressure-sensitive adhesive tape or sheet is a double-sided pressure-sensitive adhesive tape or sheet containing a support having a pressure-sensitive adhesive layer on the both surfaces thereof, characterized in that the double-sided pressure-sensitive adhesive tape or sheet has a total thickness including the thickness of the support and the two pressure-sensitive adhesive layers formed on the both surfaces of the support of 0.003 mm or more and less than 0.03 mm and a breaking strength of from 2 to 26 MPa/10 mm-width. The support preferably has a thickness of from 0.002 to 0.012 mm. As the support, plastic films (especially, a polyethylene terephthalate film) are suitable. The double-sided pressure-sensitive adhesive tape or sheet may have a length of 5 m or more and have a roll-wound form.