Abstract: A method for production of an adhesive optical film comprises the step of forming an anchor layer by applying an anchor layer-forming coating liquid to the optical film to form a coating with a thickness of 20 ?m or less before drying, wherein the anchor layer-forming coating liquid contains a mixed solvent composed mainly of water and an alcohol, and a binder resin, and by drying the coating under drying conditions satisfying both of the following requirements: (1) the drying temperature T is between 40° C. and 70° C.; and (2) the value (T×H) obtained by multiplying the drying temperature T (° C.) by the drying time H (seconds) satisfies the relation 400?(T×H)?4,000 to remove the mixed solvent.

Abstract: A pressure-sensitive adhesive composition, comprising: a (meth)acryl-based polymer (A); and an ionic compound (B) comprising an anion component and a cation component, wherein the (meth)acryl-based polymer (A) is a hydroxyl group-containing (meth)acryl-based polymer (A) containing a monomer unit derived from a hydroxyl group-containing monomer, and the anion component has an organic group and three or more carbon atoms. The anion component is preferably at least one of anion components represented by the following formula (1): (CnF2n+1SO2)2N???(1) ?wherein n is an integer of 3 to 10; the following formula (2): CF2(CmF2mSO2)2N???(2) ?wherein m is an integer of 2 to 10; and the following formula (3): ?O3S(CF2)lSO3???(3) ?wherein l is an integer of 3 to 10.

Abstract: A pressure-sensitive adhesive composition, comprising a (meth)acryl-based polymer (A); and an ionic compound (B) comprising an anion component and a cation component, wherein the (meth)acryl-based polymer (A) is an aromatic ring-containing (meth)acryl-based polymer (A) containing a monomer unit derived from an aromatic ring-containing alkyl (meth)acrylate. It is preferred that the anion component is at least one of anion components represented by the following formula (1): (CnF2n+1SO2)2N? (1) wherein n is an integer of 1 to 10; the following formula (2): CF2(CmF2mSO2)2N? (2) wherein m is an integer of 2 to 10; and the following formula (3): ?O3S(CF2)1SO3? (3) wherein 1 is an integer of 3 to 10.

Abstract: A pressure-sensitive adhesive composition, comprising: (A) a (meth)acryl-based polymer; and (B) an ionic compound comprising an anion component and a cation component, wherein the anion component is at least one of an anion component represented by the general formula (1): (CnF2n+1SO2)2N?,??(1) wherein n is an integer of 3 to 10, and an anion component represented by the general formula (2): CF2(CmF2mSO2)2N?,??(2) wherein m is an integer of 2 to 10.

Abstract: A pressure-sensitive adhesive composition comprising (A) a (meth)acryl-based polymer, (B1) an ionic compound comprising a cation component and an anion component having an organic group of three or more carbon atoms, and (B2) an ionic compound comprising a cation component and an anion component having an organic group of two or less carbon atoms. The anion component having an organic group of three or more carbon atoms is preferably at least one of anion components represented by formula (1): (CnF2n+1SO2)2N???(1) in formula (1), n is an integer of 3 to 10, formula (2): CF2(CmF2mSO2)2N???(2) in formula (2), m is an integer of 2 to 10, formula (3): ?O3S(CF2)lSO3???(3) in formula (3), l is an integer of 3 to 10, and formula (4): (CpF2p+1SO2)N?(CqF2q+1SO2)??(4) in formula (4), p and q are each an integer of 2 to 10.

Abstract: There is provided a travel vehicle-mounted engine device in which a particulate filter can be arranged in a highly rigid state in an engine as one of constituent parts of the engine to eliminate the need for taking countermeasures against exhaust gas for each unit of a vehicle or the like to thereby enhance the general purpose use of the engine. The travel vehicle mounted engine device mounted on a travel machine body and covered with a hood is provided with an air cleaner for supplying air to an engine and with a gas cleaning filter for cleaning exhaust gas from the engine. The air cleaner is arranged above an intake manifold on one side of an upper surface of the engine, and the gas cleaning filter is arranged above an exhaust manifold on the other side of the upper surface of the engine.

Abstract: A pressure-sensitive adhesive optical film of the invention comprises an optical film and a pressure-sensitive adhesive layer provided on the optical film, wherein the pressure-sensitive adhesive layer has a thickness (?m) standard deviation of 0.12 ?m or less. The pressure-sensitive adhesive optical film makes it possible to reduce the problem of visible unevenness caused by a pressure-sensitive adhesive layer.

Abstract: Provided is a polarizing plate with a pressure-sensitive adhesive layer which is excellent in reliability of optical properties and durability of pressure-sensitive adhesion. The polarizing plate with a pressure-sensitive adhesive layer comprises a polarizing film and a pressure-sensitive adhesive layer provided directly on at least one surface of the polarizing film. The pressure-sensitive adhesive layer comprises a pressure-sensitive adhesive composition containing a pressure-sensitive adhesive polymer, and an amount of an acid component in a total monomer component constituting the pressure-sensitive adhesive polymer is less than 8 wt %.

Abstract: A pressure-sensitive adhesive layer-attached polarizing film of the present invention includes a polarizing film and a pressure-sensitive adhesive layer provided on the polarizing film, wherein the polarizing film includes a polarizer with a thickness of 10 ?m or less and a transparent protective film or films provided on one or both sides of the polarizer, and the pressure-sensitive adhesive layer is formed from a pressure-sensitive adhesive composition containing a (meth)acryl-based polymer (A) and an ionic compound (B). The pressure-sensitive adhesive layer-attached polarizing film has an antistatic function and exhibits durability.

Abstract: A method for producing a pressure-sensitive adhesive layer-carrying optical film includes the step of applying, over the optical film, a coating liquid for anchor layer comprising a mixed solvent comprising 10 to 100% by weight of water and 90 to 0% by weight of an alcohol, and a polyoxyalkylene-group-containing polymer so as to give an applied-coat thickness before drying of 20 ?m or less; and next drying the workpiece under drying conditions satisfying both of the following requirements (1) and (2): (1) the drying temperature T is from 40 to 70° C., and (2) a value obtained by multiplying the drying temperature T (° C.) by the drying period H (seconds), T×H, satisfies: 400?(T×H)?4000, thereby removing the mixed solvent to form the anchor layer.

Abstract: A method for producing a pressure-sensitive adhesive layer-carrying optical film includes at least: an adhesion facilitating treatment step comprising performing an adhesion facilitating treatment on a surface of the optical film where the anchor layer is to be formed, before a step of forming the anchor layer is performed; and an application step comprising applying an anchor layer-forming coating liquid to the surface of the optical film having undergone the adhesion facilitating treatment, wherein the anchor layer-forming coating liquid contains a mixed solvent, a binder resin, and a polyoxyalkylene group-containing polymer, and the mixed solvent contains 65 to 100% by weight of water and 0 to 35% by weight of an alcohol or contains 0 to 35% by weight of water and 65 to 100% by weight of an alcohol.

Abstract: A coating liquid for forming an anchor layer interposed between an optical film and a pressure-sensitive adhesive layer, comprising a polythiophene based polymer, a polyoxyalkylene-group-containing polymer, and a mixed solvent comprising 65 to 100% by weight of water and 0 to 35% by weight of an alcohol.

Abstract: A pressure-sensitive adhesive composition for use on an optical film, includes a (meth)acryl-based polymer obtained by copolymerization of 30 to 98.9% by weight of an alkyl(meth)acrylate, 1 to 50% by weight of an aromatic ring-containing polymerizable monomer, 0.1 to 20% by weight of a hydroxyl group-containing monomer, and 0 to 4% by weight of a carboxyl group-containing monomer, and a solvent. The (meth)acryl-based polymer has a weight average molecular weight of 300,000 to 1,200,000 as measured by gel permeation chromatography. The content of a solid including the (meth)acryl-based polymer is 20% by weight or more, and the content of the solvent is 80% by weight or less.

Abstract: A pressure-sensitive adhesive composition for use on an optical film, includes a (meth)acryl-based polymer obtained by copolymerization of 30 to 98.9% by weight of an alkyl(meth)acrylate, 1 to 50% by weight of an aromatic ring-containing polymerizable monomer, and 0.1 to 20% by weight of a hydroxyl group-containing monomer, and a solvent. The (meth)acryl-based polymer is free of any carboxyl group-containing monomer unit and has a weight average molecular weight of 300,000 to 1,200,000 as measured by gel permeation chromatography. The content of a solid including the (meth)acryl-based polymer is 20% by weight or more, and the content of the solvent is 80% by weight or less.

Abstract: A method for production of an adhesive optical film comprises the step of forming an anchor layer by applying an anchor layer-forming coating liquid to the optical film to form a coating with a thickness of 20 ?m or less before drying, wherein the anchor layer-forming coating liquid contains a mixed solvent composed mainly of water and an alcohol, and a binder resin, and by drying the coating under drying conditions satisfying both of the following requirements: (1) the drying temperature T is between 40° C. and 70° C.; and (2) the value (T×H) obtained by multiplying the drying temperature T (° C.) by the drying time H (seconds) satisfies the relation 400?(T×H)?4,000 to remove the mixed solvent.

Abstract: A pressure-sensitive adhesive optical film of the invention comprises an optical film and a pressure-sensitive adhesive layer provided on the optical film, wherein the pressure-sensitive adhesive layer has a thickness (?m) standard deviation of 0.12 ?m or less. The pressure-sensitive adhesive optical film makes it possible to reduce the problem of visible unevenness caused by a pressure-sensitive adhesive layer.

Abstract: A pressure-sensitive adhesive composition for an optical film of the invention includes a (meth)acryl-based polymer(A), a polyether compound (B) having a polyether skeleton and a reactive silyl group and an ionic compound (C). The pressure-sensitive adhesive composition for an optical film has an antistatic function and can form a pressure-sensitive adhesive layer durable enough under severe conditions.

Abstract: A pressure-sensitive adhesive layer-attached polarizing film of the invention includes: a polarizing film; and a pressure-sensitive adhesive layer provided on the polarizing film, wherein the polarizing film includes a polarizer and a transparent protective film provided on only one side of the polarizer, the pressure-sensitive adhesive layer is provided on a side of the polarizer where the transparent protective film is absent, and the pressure-sensitive adhesive layer is made of a pressure-sensitive adhesive composition containing a (meth)acryl-based polymer (A) and an alkali metal salt (B). The pressure-sensitive adhesive layer-attached polarizing film has a pressure-sensitive adhesive layer with an antistatic function and satisfactory durability and whose optical properties are less likely to be degraded.

Abstract: A pressure-sensitive adhesive composition for an optical film of the present invention comprises a (meth)acryl-based polymer (A): and a polyether compound (B) having a polyether skeleton and a reactive silyl group represented by formula (1): —SiRaM3-a at at least one terminal, wherein R represents a monovalent organic group having 1 to 20 carbon atoms and optionally having a substituent; M represents a hydroxyl group or a hydrolyzable group; and <a> represents an integer of 1 to 3, provided that in cases where two or more R groups, R groups is the same or different, and in cases where two or more M groups, M groups is the same or different. The pressure-sensitive adhesive composition for an optical film is capable of forming a pressure-sensitive adhesive layer having reworkability that enables an optical film to be easily peeled off from a liquid crystal panel or the like with no adhesive residue and satisfactory durability that prevents a bonded optical film from peeling or lifting.

Abstract: There is provided a travel vehicle-mounted engine device in which a particulate filter can be arranged in a highly rigid state in an engine as one of constituent parts of the engine to eliminate the need for taking countermeasures against exhaust gas for each unit of a vehicle or the like to thereby enhance the general purpose use of the engine. The travel vehicle mounted engine device mounted on a travel machine body and covered with a hood is provided with an air cleaner for supplying air to an engine and with a gas cleaning filter for cleaning exhaust gas from the engine. The air cleaner is arranged above an intake manifold on one side of an upper surface of the engine, and the gas cleaning filter is arranged above an exhaust manifold on the other side of the upper surface of the engine.