摘要:
There is provided an optical laminate which secures adhesiveness between the (meth)acrylic resin film (base material film) and a hard coat layer, and can prevent a reduction in scratch resistance. An optical laminate according to an embodiment of the present invention includes: a base material layer formed of a (meth)acrylic resin film; and a hard coat layer formed by applying a composition for forming a hard coat layer to the (meth)acrylic resin film, wherein: the composition for forming a hard coat layer contains a compound (A) having 9 or more radically polymerizable unsaturated groups; and a content of the compound (A) is 15 wt % to 100 wt % with respect to all curable compounds in the composition for forming a hard coat layer.
摘要:
A resin film with pressure-sensitive adhesive layer of the invention includes a first transparent resin film, an oligomer blocking layer, and a pressure-sensitive adhesive layer laminated in this order, wherein the oligomer blocking layer is a cured layer formed by curing a composition containing a curable compound and inorganic oxide particles, the oligomer blocking layer has a thickness of 120 nm or more, the oligomer blocking layer has a refractive index difference of 0.04 or less from the pressure-sensitive adhesive layer, and an anchoring strength between the oligomer blocking layer and the pressure-sensitive adhesive layer is 1 N/25 mm or more.The resin film with pressure-sensitive adhesive layer can prevents the oligomer blocking layer from causing interference fringes, in which even when made thin, the oligomer blocking layer satisfies the requirements including oligomer blocking properties and scratch resistance, and also has good adhesion to the pressure-sensitive adhesive layer.
摘要:
A process including (1) applying a solution composition to one or both sides of a first transparent resin film to form a coating layer or layers, wherein the solution composition contains an active energy ray-curable compound, a photopolymerization initiator, and a solvent, wherein the photopolymerization initiator has a 10% weight loss temperature of 170° C. or more as measured by a loss-on-heating test; (2) removing, after the coating step (1), a solvent from the coating layer or layers by drying under such temperature conditions that the first laminated film obtained has a thermal shrinkage of 0.5% or less when heated at 150° C. for 1 hour, and (3) curing the coating layer or layers after the heat-treating step (2). A second laminated film produced with the first laminated film makes it possible to suppress curling and to prevent oligomer precipitation.
摘要:
An antireflection hard coating film of the invention comprises: a transparent plastic film substrate; and at least one hard coating layer of a cured coating layer and at least one antireflection layer that are formed in this order on at least one side of the transparent plastic film substrate, wherein a hard coating layer-forming material contains 100 parts by weight of a (meth)acrylate group-containing curable compound (A) and 0.01 to 3 parts by weight of a (meth)acrylate group-containing reactive silicone (B), and an antireflection layer-forming material contains a siloxane component-containing compound, at the interface between the hard coating layer and the antireflection layer being in direct contact with each other. The antireflection hard coating film has good adhesion between the hard coating layer and the antireflection layer, high hardness, and good scratch resistance without a reduction in antireflection properties.
摘要:
A nitrocarburized microalloyed steel member consists of a microalloyed steel that includes a nitrocarburized layer on a surface, a cross-sectional structure of which steel except for the nitrocarburized layer includes a ferrite and pearlite structure. The microalloyed steel mainly consists of Fe and has a composition: C having a content of 0.30 mass % or more and 0.50 mass % or less; Si having a content of 0.05 mass % or more and 0.30 mass % or less; Mn having a content of 0.50 mass % or more and 1.00 mass % or less; S having a content of 0.03 mass % or more and 0.20 mass % or less; Cu having a content of 0.05 mass % or more and 0.60 mass % or less; Ni having a content of 0.02 mass % or more and 1.00 mass % or less; and Cr having a content of 0.05 mass % or more and 0.30 mass % or less. If the contents of the Cu, the Ni, and the Cr are represented by WCu, WNi, and WCr mass %, respectively, and composition parameters F1 and F2 are 185WCr+50WCu and 8+4WNi+1.5WCu−44WCr, respectively, then the composition parameters F1 and F2 satisfy F1>20 and F2>0.
摘要:
A surface of a steel, as a material for a crankshaft, is nitrocarburized. The steel contains, as alloy elements C having a content 0.10 mass % or more 0.30 mass % or less, Si having a content 0.5 mass % or more and 0.3 mass % or less, Mn having a content 0.3 mass % or more and 1.5 mass % or less, Mo having a content 0.8 mass % or more and 2.0 mass % or less, Cr having a content 0.1 mass % or more and 1.0 mass % or less, and V having a content 0.1 mass % or more and 0.5 mass % or less, with a remainder consisting of Fe and inevitable impurities. The contents of the alloy elements fall within ranges: 2.0 mass %≦Mn+Cr+Mo≦3.0 mass %, 2.3 mass %≦C+Mo+5V ≦3.7 mass %, and 2.7 mass %≦2.16 Cr+Mo+2.54V≦4.0 mass %. If a steel sample extracted from a central portion of the nitrocarburized steel free from an influence of the nitrocarburizing treatment is austenitized at 1200° C. for one hour, and cooled to a room temperature so that a cooling rate at which the steel sample passes through a temperature range between 900° C. and 300° C. is 0.5° C./second, then an area percentage of a bainite structure in steel structures is 80% or more and a Vickers hardness measured at a cross section is 260 Hv or more and 330 Hv or less. A surface hardness of a nitrocarburized layer is 650 Hv or more, a formation depth of the nitrocarburized layer is 0.3 mm or more, and a hardness of the central portion is 340 Hv or more. Thereby a crankshaft which is excellent both in the machinability and in fatigue strength, even after nitrocarburizing treatment on the surface, is provided.
摘要翻译:作为曲轴的材料的钢的表面被氮碳共渗。 钢含有含量为0.10质量%以上且0.30质量%以下的合金成分C,含有0.5质量%以上且0.3质量%以下的Si,含有0.3质量%以上且1.5质量%的Mn %以下,含量为0.8质量%以上且2.0质量%以下的Mo为0.1质量%以上且1.0质量%以下的Cr,含量为0.1质量%以上至0.5质量%的V以下, 或更少,余量由Fe和不可避免的杂质组成。 合金元素含量在2.0质量%<= Mn + Cr + Mo <= 3.0质量%,2.3质量%<= C + Mo + 5V≤3.3质量%,2.7质量%<= 2.16Cr的范围内 + Mo + 2.54V <= 4.0质量%。 如果不受氮碳共渗处理的影响,从氮碳共渗钢的中央部提取的钢样品在1200℃下奥氏体化1小时,冷却至室温,钢样品通过的冷却速度 在900℃至300℃之间的温度范围为0.5℃/秒,则钢结构中贝氏体组织的面积百分比为80%以上,横截面测得的维氏硬度为260Hv或 多达330 Hv以下。 氮碳共渗层的表面硬度为650Hv以上,氮覆层的形成深度为0.3mm以上,中央部的硬度为340Hv以上。 因此,即使在表面进行氮碳共渗处理之后,也提供了在机械加工性和疲劳强度方面优异的曲轴。
摘要:
There is provided an optical laminate excellent which secures adhesiveness between the (meth)acrylic resin film (base material film) and a hard coat layer, and can prevent a reduction in scratch resistance. An optical laminate according to an embodiment of the present invention includes: a base material layer formed of a (meth)acrylic resin film; a hard coat layer formed by applying, to the (meth)acrylic resin film, a composition for forming a hard coat layer containing a curable compound and inorganic nanoparticles; and a penetration layer having a thickness of 1.2 μm or more, the penetration layer being formed between the base material layer and the hard coat layer by penetration of the composition for forming a hard coat layer into the (meth)acrylic resin film, wherein a content of the inorganic nanoparticles is 1.5 wt % to 50 wt % with respect to a total of the curable compound and the inorganic nanoparticles.
摘要:
There is provided an optical laminate excellent in adhesiveness between a (meth)acrylic resin film (base material film) having low moisture permeability and a UV absorbing ability and a hard coat layer, and has suppressed interference unevenness. An optical laminate according to an embodiment of the present invention includes: a base material layer formed of a (meth)acrylic resin film; a hard coat layer formed by applying a composition for forming a hard coat layer to the (meth)acrylic resin film; and a penetration layer formed through penetration of the composition for forming a hard coat layer into the (meth)acrylic resin film, the penetration layer being placed between the base material layer and the hard coat layer, wherein the penetration layer has a thickness of 1.2 μm or more.
摘要:
A hard-coated antiglare film is provided that has high hardness, high scratch resistance, and good antiglare properties. In the hard-coated antiglare film of the present invention including a transparent plastic film substrate, a hard-coating layer containing fine particles is formed on at least one surface of the transparent plastic film substrate, the hard-coating layer has a thickness in the range of 15 to 30 μm, the fine particles have a weight average particle size of 30 to 75% of a thickness of the hard-coating layer, the average tilt angle θa of the unevenness of the hard-coating layer surface is in the range of 0.4° to 1.5°, and the hard-coating layer is formed using a resin for forming the hard-coating layer containing three specific resin components.
摘要:
An antireflection hard coating film of the invention comprises: a transparent plastic film substrate; and at least one hard coating layer of a cured coating layer and at least one antireflection layer that are formed in this order on at least one side of the transparent plastic film substrate, wherein a hard coating layer-forming material contains 100 parts by weight of a (meth)acrylate group-containing curable compound (A) and 0.01 to 3 parts by weight of a (meth)acrylate group-containing reactive silicone (B), and an antireflection layer-forming material contains a siloxane component-containing compound, at the interface between the hard coating layer and the antireflection layer being in direct contact with each other. The antireflection hard coating film has good adhesion between the hard coating layer and the antireflection layer, high hardness, and good scratch resistance without a reduction in antireflection properties.