C08J2409/02

RUBBER-PARTICLE-DISPERSED POLYIMIDE RESIN SOLUTION AND RUBBER-PARTICLE-DISPERSED POLYIMIDE SHEET

A rubber-particle-dispersed polyimide resin solution contains at least one resin selected from the group consisting of polyimide precursors and polyimides having a solubility of 1% by mass or more in an aprotic polar solvent; rubber particles; and a solvent including a poor solvent for the rubber particles.

RUBBER COMPOSITION, RUBBER ROLLER, AND IMAGE FORMING APPARATUS

A rubber composition capable of forming a foam such as a roller main body which has a low rubber hardness and is soft in a state in which an average cell diameter thereof is small is provided. The rubber composition includes NBR whose Mooney viscosity is 15 to 50 having a proportion being 10 parts by mass or more in 100 parts by mass of the total amount of rubber, epichlorohydrin rubber whose Mooney viscosity is 5 to 35 having a proportion being 10 parts by mass or more in 100 parts by mass of the total amount of rubber, and 10 parts by mass or less of carbon black and 7 parts by mass or less of a foaming agent with respect to 100 parts by mass of the total amount of rubber, and has a Mooney viscosity of 35 or less.

RUBBER COMPOSITION, RUBBER ROLLER, AND IMAGE FORMING DEVICE

A rubber composition is provided. The rubber roller including a roller body formed of a porous body formed by foaming and crosslinking the rubber composition and an image forming device including the rubber roller are also provided. In the rubber composition, fine porous particles of at least one type selected from a group consisting of zeolite, activated carbon, and diatomite along with a crosslinking component and a foaming component are mixed into a rubber that contains at least one type selected from a group consisting of diene-based rubbers and ethylene propylene-based rubbers and an ion-conductive rubber. A rubber roller includes a roller body that is formed by cylindrically extrusion-molding and crosslinking the rubber composition. An image forming device has the rubber roller 1 assembled thereinto.

METHOD OF MANUFACTURING GLOVES, GLOVE, AND EMULSION COMPOSITION FOR GLOVES

Provided is a method of producing a glove, the method including: (1) the step of immersing a glove forming mold in a liquid coagulant containing calcium ions so as to allow the coagulant to adhere to the glove forming mold; (2) the step of adjusting the pH to be 9 or higher using an ammonium compound or an amine compound and leaving a glove emulsion composition to stand with stirring; (3) the dipping step of immersing the glove forming mold, to which the coagulant has thus adhered in the step (1), in the glove emulsion composition; (4) the gelling step of leaving the glove forming mold, to which the glove emulsion composition has thus adhered, to stand at a temperature for a period that satisfy specific conditions; (5) the leaching step of removing impurities from a cured film precursor thus formed on the glove forming mold; (6) the beading step of, after the leaching step, winding the cuff portion of the resulting glove; (7) the precuring step of heating and drying the cured film precursor that has been subjected to the beading step; and (8) the curing step of heating the cured film precursor at a specific temperature for a specific period to obtain a cured film.

FILM BASED ON A COMPOSITION OF POLYMERS AND PLASTICIZERS HAVING A TG RANGING FROM -35°C TO 40°C, ELEMENT INCORPORATING SAID FILM, METHOD FOR MANUFACTURING THEREOF AND USES THEREOF

Disclosed is a film based on a composition including at least one polymer and at least one plasticizer, the composition having a calculated Tg ranging from 35 C. to 40 C., preferably from 20 C. to 10 C., the film presenting a rebound resilience according to Test A less than 15%, preferably less than 10%; to a process for its manufacturing and to its uses; it also relates to an element incorporating the film and uses thereof.

HYDROPHILIC POLYMER COATINGS WITH DURABLE LUBRICITY AND COMPOSITIONS AND METHODS THEREOF

The invention provides a novel hydrophilic polymer and latex polymer blend coating formulation and compositions thereof, and their use on various devices (e.g., prophylactic and medical devices) to form hydrophilic and flexible coatings with durable lubricity.

Compositions, containing thermoplastics based on polyvinyl chloride and containing cross-linked NBR microgels modified with hydroxyl groups

The present invention relates to a composition obtainable by mixing to incorporate at least one microgel (B) that has been crosslinked by means of free-radical generators photochemical by using a wavelength>0.1 m and/or thermally and that contains hydroxy groups and that is based on polybutadiene-acrylonitrile copolymers (NBR) into polyvinyl chloride (PVC) in an extruder, to processes for production thereof and to use thereof for reproduction of transparent thermoplastically processable molded items, and also to molded items produced from the said compositions.

HEAT-CONDUCTING FOAM SHEET FOR ELECTRONIC INSTRUMENTS AND HEAT-CONDUCTING LAMINATE FOR ELECTRONIC INSTRUMENTS
20190136004 · 2019-05-09 ·

Provided is a heat conductive foam sheet for electronic equipment sufficiently thin and flexible to be suitably used in the interior of electronic equipment and excellent in heat conductivity. A heat conductive foam sheet for electronic equipment containing a heat conductor in an elastomer resin portion constituting the foam sheet, in which the content of the heat conductor relative to 100 parts by mass of the elastomer resin is 100 to 500 parts by mass, the 25% compressive strength of the foam sheet is 200 kPa or less and the thickness thereof is 0.05 to 1 mm.

THIN ORGANIC SOLVENT RESISTANT GLOVE

A thin organic solvent resistant glove is disclosed including: a first polymeric layer in a shape of a glove including at least one of a blend of a polyisobutylene material and a nitrile-butadiene material, or a nitrile-butadiene material; a second polymeric layer in a shape of a glove including at least one of a polyisobutylene material or a blend of a polyisobutylene material and a nitrile-butadiene material, disposed on the first polymeric layer, and a third polymeric layer in a shape of a glove including a nitrile-butadiene material or an acrylic polymer material disposed on the second polymeric layer.

METHOD FOR PRODUCING THERMOPLASTIC ELASTOMER COMPOSITION
20190016889 · 2019-01-17 · ·

A method for producing a thermoplastic elastomer composition, the method including the step of dynamically cross-linking a highly saturated nitrile rubber in the presence of a polyamide-based polymer and a polyamine cross-linking agent. The highly saturated nitrile rubber contains an ,-ethylenically unsaturated nitrile monomer unit and an ,-ethylenically unsaturated dicarboxylic acid monoester monomer unit and has an iodine value of 120 or less.