Abstract: A resin composition including an alkoxysilyl group-containing hydrogenated block copolymer [3], and a hydrocarbon-based polymer [4] having a number average molecular weight of 300 to 5000, the resin composition including the hydrocarbon-based polymer [4] in an amount of 1 to 50 parts by weight based on 100 parts by weight of the alkoxysilyl group-containing hydrogenated block copolymer [3], the alkoxysilyl group-containing hydrogenated block copolymer [3] being obtained by introducing an alkoxysilyl group into a hydrogenated block copolymer [2] that is obtained by hydrogenating 90% or more of unsaturated bonds of a block copolymer [1] that includes at least two polymer blocks [A] and at least one polymer block [B], and a ratio (wA:wB) of a weight fraction wA of the polymer block [A] in the block copolymer [1] to a weight fraction wB of the polymer block [B] in the block copolymer [1] being 30:70 to 65:35.

Abstract: An organic electronic device sealing resin composition including a block copolymer hydride obtained by hydrogenating 90% or more of all unsaturated bonds of a block copolymer, wherein the block copolymer includes: two or more polymer blocks [A] per one molecule of the copolymer, the block having an aromatic vinyl compound unit as a main component; and one or more polymer blocks [B] per one molecule of the copolymer, the block having a linear conjugated diene compound unit as a main component, and a ratio between a weight fraction wA of all the polymer blocks [A] in the entire block copolymer and a weight fraction wB of all the polymer blocks [B] in the entire block copolymer (wA:wB) is 20:80 to 60:40.

Abstract: A composite gas barrier multilayer body, wherein a gas barrier multilayer body (A) having a film (a) of an alicyclic polyolefin resin and an inorganic layer (a) formed on at least one surface of the film (a) and a gas barrier multilayer body (B) having a film (b) of an alicyclic polyolefin resin and an inorganic layer (b) formed on at least one surface of the film (b) are bonded via a layer of a styrene-based thermoplastic elastomer resin so that the inorganic layer (a) and the inorganic layer (b) face to each other.

Abstract: [Problems] To provide a stretched film of an addition polymer consisting of norbornene compounds favorable for use in manufacturing steps of electric insulating parts and optical parts that exhibits excellent film stability, does not suffer from coloration and has a low linear expansion coefficient. [Means for Solving Problems] A stretched film of an addition polymer consisting of norbornene compounds produced by stretching a film of the addition polymer consisting of norbornene compounds and having a linear expansion coefficient of at most 50 ppm/° C. The draw ratio is preferably from 1.2 times to 10 times. The stretched film is preferably a non-crosslinked film. A method for producing the stretched film comprises stretching a film of the addition polymer consisting of norbornene compounds at least in one direction in an inert gas atmosphere within a temperature range of the glass transition temperature (Tg) thereof ±50° C.

Abstract: Provided are: an alkoysilyl group-containing hydrogenated block copolymer produced by introducing an alkoxysilyl group into a hydrogenated block copolymer that is obtained by hydrogenating 90% or more of unsaturated bonds of a block copolymer that includes at least two polymer blocks [A] and at least one polymer block [B], the polymer block [A] including a repeating unit derived from an aromatic vinyl compound as a main component, the polymer block [B] including a repeating unit derived from a linear conjugated diene compound as a main component, and a ratio (wA:wB) of a weight fraction wA of the polymer block [A] in the block copolymer to a weight fraction wB of the polymer block [B] in the block copolymer being 20:80 to 60:40; a method for producing the same; a solar cell element encapsulating material; a sheet, a laminated sheet; a multilayer sheet; and a method for encapsulating a solar cell element.

Abstract: A film comprising a norbornene (NB) compound addition polymer that is excellent in chemical resistance, optical properties and the like, has a high Tg, a low water absorption ratio and a low linear expansion coefficient, and is soluble in an ordinary solvent. The film comprising a NB compound addition polymer essentially consisting of repeating units derived from NB compound monomers, wherein the addition polymer has a specific Mw and has a sum of the units (A1) and (A2) of 70% by mol or more based on the total units, wherein the molar number of each unit satisfies the following equations: 70/30?[{(A1)+(A2)}/(B)]?100 and 10/90?(A1)/(A2)?98/2, or the addition polymer has a specific Mw and Mn and essentially consists of the units (A1) and (B), wherein the molar number of each unit satisfies the following equation: 70/30?[(A1)/(B)] ?98/2.

Abstract: [Problems] To provide a norbornene compound addition polymer film that is excellent in heat resistance, chemical resistance, dimensional stability and the like and favorable for use for optical parts and electric insulating parts. [Means for Solving Problems] The norbornene compound addition polymer film satisfies at least either one of the following: when it is heated from 25° C. up to 200° C. and then again cooled to 25° C., the dimensional change rate thereof between before heating and after cooling is at most 100 ppm, or the dimensional change rate thereof between before and after dipping in propylene glycol monomethyl ether acetate at 25° C. for 1 hour is at most 100 ppm. The method for producing the norbornene compound addition polymer film comprises a step of maintaining the film having a residual solvent content of at most 5,000 ppm of the norbornene compound addition polymer having a glass transition temperature of T° C.

Abstract: [Problems] To provide a film comprising a norbornene (NB) compound addition polymer that is excellent in chemical resistance, optical properties and the like, has a high Tg, a low water absorption ratio and a low linear expansion coefficient, and is soluble in an ordinary solvent.

Abstract: [PROBLEMS] To provide: a norbornene compound addition polymer which has excellent heat resistance and suffers no decrease in the excellent transparency and mechanical properties even when exposed to high temperatures during molding, processing, or use; and a process for producing the polymer. [MEANS FOR SOLVING PROBLEMS] The norbornene compound addition polymer comprises, as an essential ingredient, repeating structural units derived from a substituted norbornene compound monomer, wherein the total content of atoms of the transition metals in Group 10 of the Periodic Table, halogen atoms, phosphorus atoms, aluminum atoms, boron atoms, and sulfur atoms is 50 wt. ppm or lower. The process for producing a norbornene compound addition polymer comprises bringing a norbornene compound addition polymer comprising, as an essential ingredient, repeating structural units derived from a substituted norbornene compound monomer into contact with an ion-exchanging lamellar inorganic compound.

Abstract: A thermoplastic resin comprising a block copolymer or a graft copolymer possessing (A) a crystalline hydrogenated norbornene ring-opening polymer unit and (B) a non-crystalline polymer unit having a glass transition temperature of 40 to 300° C.; A method for producing thermoplastic resin comprising hydrogenating a block copolymer or a graft copolymer possessing a norbornene ring-opening polymer unit (C) and a polymer unit (D) which is converted into the above-mentioned non-crystalline polymer unit (B) after hydrogenation, in the presence of a hydrogenation catalyst; and a molding material comprising the thermoplastic resin are provided. The thermoplastic resin of the present invention excels in transparency, heat resistance, and mechanical strength.

Abstract: [Problems] To provide a stretched film of an addition polymer consisting of norbornene compounds favorable for use in manufacturing steps of electric insulating parts and optical parts that exhibits excellent film stability, does not suffer from coloration and has a low linear expansion coefficient. [Means for Solving Problems] A stretched film of an addition polymer consisting of norbornene compounds produced by stretching a film of the addition polymer consisting of norbornene compounds and having a linear expansion coefficient of at most 50 ppm/° C. The draw ratio is preferably from 1.2 times to 10 times. The stretched film is preferably a non-crosslinked film. A method for producing the stretched film comprises stretching a film of the addition polymer consisting of norbornene compounds at least in one direction in an inert gas atmosphere within a temperature range of the glass transition temperature (Tg) thereof ±50° C.

Abstract: [Problems] To provide a cycloolefin addition polymer that is capable of satisfying high heat resistance and high refractive index simultaneously, a composite material of the cycloolefin addition polymer with an inorganic material, and a molded article thereof. [Means for Solution] A cycloolefin addition polymer consisting essentially of a cycloolefin monomer unit and containing as an essential component a norbornene monomer unit having an aromatic ring. The cycloolefin addition polymer is preferably a cycloolefin addition polymer that consists essentially of a norbornene monomer unit having an aromatic ring. The cycloolefin addition polymers are excellent in heat resistance and have a high refractive index. The composite material is comprised of the cycloolefin addition polymer and an inorganic material. The molded article is obtained by molding the cycloolefin addition polymer or the composite material.

Abstract: To provide a novel method for arranging a vibration suppressing plate to be arranged in an arm of a magnetic disc actuator, a method for arranging a vibration suppressing plate 3 to an arm 2, projected from a magnetic disc actuator 1, for retaining a magnetic head 63 on a tip end side, includes the following steps of: peeling a first one 5 of peelable members 5 and 6 from a planar adhesive member 7 provided on both surfaces of a both-sided adhesive member 4 with the peelable members 5 and 6, the both-sided adhesive member 4 having the same shape as a predetermined shape of the vibration suppressing plate 3; subsequently, applying, aligning and attaching to the vibration suppressing member 3 the planar adhesive member 7 from which the first peelable member 5 has been peeled and removed; subsequently, peeling the other peeling member 6 to form the vibration suppressing plate 3 having one surface attached to the both-sided adhesive member 4; and subsequently, aligning and attaching the vibration suppressing plat

Abstract: A water-based ink composition for a ball-point pen comprises: a colorant selected from dyes or pigments; a water-soluble organic solvent; water; and a metal salt and/or an amine salt of N-acyl sarcosine. This ink can effectively prevent the wear of a ball seat of the pen caused by the rotation of a ball of the same to make it possible to keep good ink-discharging properties of the pen, whereby a smooth writing of the pen can be performed.