摘要:
The present invention relates to a pressure sensitive adhesive sheet containing, laminated in this order, a supporting substrate, a pressure sensitive adhesive layer (X), a continuous void-containing layer including a composition containing silica particles, and a pressure sensitive adhesive layer (Y), the continuous void-containing layer having a mass concentration of the silica particles of more than 60% and 100% or less.
摘要:
The present invention relates to a pressure sensitive adhesive sheet containing, laminated in this order, a supporting substrate, a pressure sensitive adhesive layer (X), a continuous void-containing layer including a composition containing fine particles (excepting silica), and a pressure sensitive adhesive layer (Y), the continuous void-containing layer having a mass concentration of the fine particles of from 45 to 100%.
摘要:
Provided is a pressure sensitive adhesive sheet containing a resin layer on a substrate or a release material, at least a surface (α) of the resin layer being opposite to the side thereof on which the substrate or the release material is provided having pressure sensitive adhesiveness, wherein, when a smooth surface of a light transmissive adherend having a smooth surface is attached to the surface (α), one or more concave portion (G) not kept in contact with the smooth surface exist on the surface (α), and the shapes of the one or more concave portions (G) have irregular shapes. The pressure sensitive adhesive sheet has excellent air escape property capable of readily removing air accumulation that may be formed on attaching to an adherend, and has good pressure sensitive adhesion characteristics.
摘要:
A pressure-sensitive adhesive sheet having a pressure-sensitive adhesive layer formed from a pressure-sensitive adhesive composition containing a polyisobutylene-based resin (A) having a mass-average molecular weight of 20000 or more, a styrene-based copolymer (B), and a tackifier (C) having a softening point of 135° C. or less, wherein the component (B) is one or more selected from the group consisting of a styrene-butadiene-styrene triblock copolymer (SBS), a styrene-block-(ethylene-co-butylene)-block-styrene triblock copolymer (SEBS), a styrene-isobutylene diblock copolymer (SIB), and a styrene-isobutylene-styrene triblock copolymer (SIBS), has excellent adhesive force, excels in a suppressing effect on moisture intrusion, and has good transparency.
摘要:
The present invention is a formed article sequentially comprising a base layer, a primer layer that includes a hydroxyl group-containing polymer, and a gas barrier layer, the gas barrier layer being formed of a material that includes at least an oxygen atom and a silicon atom, a surface layer part of the gas barrier layer having an oxygen atom content rate of 60 to 75%, a nitrogen atom content rate of 0 to 10%, and a silicon atom content rate of 25 to 35%, based on a total content rate of oxygen atoms, nitrogen atoms, and silicon atoms, and the surface layer part of the gas barrier layer having a film density of 2.4 to 4.0 g/cm3. According to the present invention, provided is a formed article, a method for producing the same, an electronic device member including the formed article, and an electronic device including the electronic device member, with an excellent gas barrier capability and excellent transparency.
摘要翻译:本发明是依次包含基层,包含含羟基聚合物的底漆层和气体阻隔层的成形制品,所述气体阻隔层由至少包含氧原子和硅的材料形成 原子,氧原子含有率为60〜75%,氮原子含有率为0〜10%,硅原子含有率为25〜35%的阻气层的表层部, 氧原子,氮原子和硅原子的含有率,阻气层的表层部分的膜密度为2.4〜4.0g / cm 3。 根据本发明,提供一种成型制品,其制造方法,包括成型制品的电子装置构件和包括该电子装置构件的电子装置,具有优异的阻气能力和优异的透明度。
摘要:
Provided are a pressure sensitive adhesive sheet including, on a substrate, a resin layer containing a resin which is a resin layer containing a resin part (X) containing a resin as a main component and a particle part (Y) consisting of fine particles, at least a surface (α) of the resin layer on the side opposite to the side thereof on which the substrate is provided, having pressure sensitive adhesiveness, wherein a bending stress coefficient k in the MD direction of the substrate is 20 N·mm or less, a 10% elongation strength in the MD direction thereof is 260 N/15 mm or less, and concave portions satisfying specified requirements are included on the surface (α) of the resin layer; and a method for producing the pressure sensitive adhesive sheet.
摘要:
A pressure sensitive adhesive sheet including, on a substrate or a release material, a resin layer including a resin part (X) containing a resin as a main component, and a particle part (Y) consisting of fine particles and having a surface (α) having pressure sensitive adhesiveness and one or more concave portions. When the surface (α) of the resin layer is adhered to a smooth surface of a light transmissive adherend to give a laminate, the areal ratio (S1) of the attached area adhered to the smooth surface to the surface (α) is 10 to 95% at 23° C. and 50% RH, and the area increase rate {[(S2−S1)/S1]×100} is −10 to 20% after heating of the smooth surface by statically leaving the laminate at 80° C. for 30 minutes.
摘要:
Provided is a pressure sensitive adhesive sheet including a resin layer on a substrate or a release material, at least a surface (α) of the resin layer on the side opposite to the side thereof on which the substrate or the release material is provided having pressure sensitive adhesiveness, wherein a concave portion and plural flat faces having an irregular shape exist in a region (Dc) surrounded by an arbitrarily predetermined circle on the surface (α) of the resin layer; and with respect to one or more flat faces (S) among the plural flat faces, the one or more flat faces (S) excluding flat faces having a cumulative relative frequency of 30% or less determined by adding the relative frequency from the respective flat faces with a smaller area, an rMAX value of the flat faces (S) calculated from specified operations is 0.60 or less.
摘要:
Provided is a pressure sensitive adhesive sheet containing, on a substrate or a release material, a resin layer that includes a resin part (X) containing a resin as a main component, and a particle part (Y) consisting of fine particles, at least a surface (α) of the resin layer being opposite to the side thereof on which the substrate or the release material is provided having pressure sensitive adhesiveness, wherein plural concave portions having a maximum height difference of 0.5 μm or more exist in a predetermined region (P) on the surface (α), and 95% or more of the plural concave portions existing inside the region (P) have shapes differing from each other, and one or more such concave portions exist in a predetermined region (Q) on the surface (α).
摘要:
Provided a pressure sensitive adhesive sheet including a substrate or a release material having thereon a resin layer that contains a resin part (X) containing a carbon atom-containing resin having a carbon atom in a main chain of a constitutional unit as a main component, and a particle part (Y) consisting of fine particles containing silica particles, a surface (α) having pressure sensitive adhesiveness, the surface (α) having a concave portion and a flat face existing thereon, a prescribed section (P1) having existing on the side of the surface (α) a concave portion having a prescribed maximum height difference, and a flat portion corresponding to a cut portion of the flat face existing in a region (P) and being substantially in parallel to a surface of the substrate or the release material in contact with the resin layer, and an absolute value of a ratio of an intensity ratio of a peak intensity derived from silicon atoms and a peak intensity derived from carbon atoms measured by EDX a for a prescribed region (S) that is positioned under one of the concave portion existing on the cross section, and the intensity ratio measured by EDX for a prescribed region (T) that is positioned under one of the flat portion existing on the cross section being 0.2 or less.