摘要:
Disclosed is a conductive adhesive tape which can exhibit extremely stable electroconductivity upon use over a long duration and/or use under severe environmental conditions even when applied in a small area. The conductive thermosetting adhesive tape includes a metallic foil; and a thermosetting adhesive layer on one side of the metallic foil. The thermosetting adhesive layer has a bond strength before curing of 2 N/20 mm or more and a bond strength after curing of 10 N/20 mm or more. The conductive thermosetting adhesive tape is preferably one including the metallic foil; the thermosetting adhesive layer on one side of the metallic foil; and a terminal exposed from the surface of the thermosetting adhesive layer, in which the conductive thermosetting adhesive tape has a total area of the terminal present per 30 mm2 of the surface of the thermosetting adhesive layer of from 0.1 to 5 mm2.
摘要:
A conductive adhesive tape includes a conductive layer, and an adhesive layer formed on the surface of the conductive layer. In the adhesive layer, an adhesive layer through-hole penetrating the adhesive layer in the thickness direction thereof is formed. The conductive layer includes a conductive layer passage portion formed in the adhesive layer through-hole. A low melting point metal layer is provided at an end face of the conductive layer passage portion, the end face reaching surface of the adhesive layer.
摘要:
The present invention provides a pressure-sensitive adhesive tape for a flexible printed circuit, from which a release liner can be released without being torn off even after being subjected to a high temperature process such as a solder reflow process. The pressure-sensitive adhesive tape of the present invention includes: a pressure-sensitive adhesive layer; and a release liner on at least one surface of the pressure-sensitive adhesive layer, wherein a tensile strength of the release liner in a machine direction is 50 MPa to 150 MPa, and a tensile strength of the release liner in a machine direction after heating at 280° C. for 5 min is 20 MPa to 120 MPa.
摘要:
The present invention provides a double-sided pressure-sensitive adhesive tape or sheet for use in wiring circuit board, which includes a pressure-sensitive adhesive layer formed by a pressure-sensitive adhesive composition containing an acrylic polymer as a main component, in which the double-sided pressure-sensitive adhesive tape or sheet has an amount of total outgas of 250 μg/g or less and a diffusion amount of toluene of 10 μg/g or less. The double-sided pressure-sensitive adhesive tape or sheet has a small generating amount of VOC as well as excellent punching processing property and anti-repulsion property.
摘要:
The present invention provides a thermosetting adhesive or pressure-sensitive adhesive tape or sheet including: a thermosetting adhesive or pressure-sensitive adhesive layer formed of a thermosetting adhesive or pressure-sensitive adhesive composition containing an acrylic polymer (X) constituted of, as essential monomer components, an alkyl (meth)acrylate (a) in which the alkyl moiety thereof has from 2 to 14 carbon atoms and a cyano group-containing monomer (b), and a phenol resin (Y); and provided on at least one surface of the thermosetting adhesive or pressure-sensitive adhesive layer, a release liner including a plastic film substrate and a release layer provided on at least one side of the plastic film substrate, the release layer containing low density polyethylene as a major component and having a thickness of 5 μm or more and less than 20 μm.
摘要:
The present invention provides a double-sided pressure-sensitive adhesive tape or sheet for wiring circuit board, which includes a pressure-sensitive adhesive layer formed by a pressure-sensitive adhesive composition, wherein the pressure-sensitive adhesive composition contains an acrylic polymer as a main component and further contains an electrically conductive filler in a proportion of 5 to 100 parts by weight with respect to 100 parts by weight of a total solid in the pressure-sensitive adhesive composition except the electrically conductive filler. The double-sided pressure-sensitive adhesive tape or sheet is excellent in adhesiveness, electrically conducting property and anti-repulsion property, and thus can be advantageously used for wiring circuit board.
摘要:
The present invention provides an optical double-sided pressure-sensitive adhesive sheet excellent in step absorbability and anti-foaming release property. The invention relates to en optical double-sided pressure-sensitive adhesive sheet including a pressure-sensitive adhesive layer which contains an acrylic polymer A and an acrylic polymer B having a weight average molecular weight of from 1,000 to 30,000, and has a residual stress after 180 seconds of 3.0 N/cm2 or less, the residual stress after 180 seconds being measured in accordance with a tensile stress relaxation test under the conditions of a temperature of 23° C. and a strain of 300%.
摘要翻译:本发明提供了阶梯吸收性和消泡性优异的光学双面粘合片。 本发明涉及一种光学双面压敏粘合片,其包含含有丙烯酸类聚合物A的压敏粘合剂层和重均分子量为1,000〜30,000的丙烯酸类聚合物B,并且具有在 180秒为3.0N / cm 2以下,在温度23℃,应变为300%的条件下,根据拉伸应力松弛试验测定180秒后的残余应力。
摘要:
The present invention provides a double-sided pressure-sensitive adhesive sheet, including at least one pressure-sensitive adhesive layer which has a gel fraction of 10 to 70%, has a storage modulus at 23° C. of 1×105 Pa or less, and has a residual stress after 180 seconds of 3.5 N/cm2 or less, the storage modulus at 23° C. being measured in accordance with a dynamic viscoelasticity measurement and the residual stress after 180 seconds being measured in accordance with a tensile stress relaxation test under conditions of a temperature of 23° C. and a strain of 300%.
摘要翻译:本发明提供一种双面压敏粘合片,其包含至少一个凝胶分数为10至70%的压敏粘合剂层,其在23℃下的储能模量为1×10 5 Pa以下 ,180秒后的残留应力为3.5N / cm 2以下,根据动态粘弹性测定测定23℃下的储能模量,180秒后的残余应力根据拉伸应力松弛测定 在23℃的温度和300%的应变条件下进行试验。
摘要:
The present invention provides an optical double-sided pressure-sensitive adhesive sheet excellent in reworkability, step absorbability and anti-foaming release property. The invention relates to an optical double-sided pressure-sensitive adhesive sheet including an acrylic pressure-sensitive adhesive layer which contains an acrylic polymer (X), wherein: the acrylic polymer (X) is formed from a monomer component including an alkyl(meth)acrylate having a linear or branched alkyl group having 1 to 14 carbon atoms in an amount of 50 to 100 wt % based on a total amount of the monomer component (100 wt %) forming the acrylic polymer (X), and a content of a polar group-containing monomer is 0 to 15.0 wt % based on the total amount thereof; and a gel fraction of the acrylic pressure-sensitive adhesive layer is from 20 to 74 wt %.
摘要:
A pressure-sensitive adhesive label for HDD is a pressure-sensitive adhesive label that has an information display function and can reduce the sound generated when a hard disk drive is driven by being pasted to the external surface of the case of the hard disk drive. The pressure-sensitive adhesive label for HDD includes: a substrate layer composed of a metallic foil; a rust-proof layer covering the major surface of the substrate layer; an information display layer, on the surface of which printing can be performed, provided on one of the major surfaces of a laminated body made of the substrate layer and the rust-proof layer; and a pressure-sensitive adhesive layer provided on the other major surface of the laminated body.