Patent classifications
C08J2400/26
LAMINATED FOAM SHEET AND MOLDED ARTICLE THEREOF
The present invention relates to a laminated foam sheet including a foam layer and a non-foam layer positioned on one surface or both surfaces of the foam layer, in which a closed cell ratio of the foam layer is 70% or more and a thickness is 2.0 to 6.0 mm, and the non-foam layer includes a non-crosslinked olefin-based elastomer.
COMPOSITION FOR LOW SPECIFIC GRAVITY MOLDED FOAM AND METHOD FOR PRODUCING MOLDED FOAM USING THE COMPOSITION
Provided is a composition for a low specific gravity molded foam. The composition includes at least one polymer component selected from the group consisting of a peroxide-crosslinkable thermoplastic resin, a peroxide-crosslinkable rubber and a peroxide-crosslinkable thermoplastic elastomer, thermally expandable microspheres, and an organic peroxide crosslinking agent.
Polymer-filler composites with guayule rubber
A method for forming a polymer-filler composite having advantageous bound filler content, the method comprising (a) providing a guayule cement; (b) introducing particulate filler to the guayule cement to form a solution masterbatch; and (c) desolventizing the solution masterbatch to form a polymer-filler composite.
Porous Polyester Material
A polymeric material that includes a thermoplastic composition containing a continuous phase that includes a polyester and a copolyetherester elastomer is provided. The copolyetherester elastomer is dispersed within the continuous phase in the form of discrete domains. A porous network is defined within the thermoplastic composition that includes a plurality of nanopores.
Method for producing polypropylene-based resin foamed molded article
A method for producing a polypropylene-based resin foamed molded article by blow molding a foamed parison formed of a base resin, in which: the base resin contains, in specific mixing proportions, a branched polypropylene-based resin (A), a linear polypropylene-based resin (B) and a recovered raw material (C) that is recovered in the course of production of the polypropylene-based resin foamed molded article. Each of the resin (A), resin (B) and the recovered raw material (C), has a specific range of a melt tension and a melt flow rate. A difference in melting point between the resin (A) and resin (B) is within a specific range. A difference in crystallization temperature between the resin (A) and resin (B) is within a specific range.
FOAM ACTUATORS
Foam-based pneumatic actuators can be formed in a state of mechanical compression prior to actuation. An actuator includes an elastomeric foam; a coating disposed on the elastomeric foam; and an elastomer seal disposed on the coating. The coating constrains the elastomeric foam and can be configured to break or fracture when the elastomeric foam inflates. The elastomer seal can be configured to be impermeable to the actuating fluid. Such a foam actuator can be used in a cardiac compression device. These foam actuators possess increased actuation deformation and an actuation exerted force for a given inflation pressure. A large deformation can be provided from materials having low ultimate strains.
Conductive film
There is provided a conductive film having conductivity in a surface direction, being deformable, having excellent durability, and transmitting visible light. A conductive film includes a film substrate and a conductive material layer. The conductive material layer is provided on a first substrate surface of the film substrate. A plurality of through holes penetrating the film substrate and the conductive material layer in a thickness direction are formed in the conductive film. The conductive material layer has a plurality of conductive portions, and the conductive portions are present between adjacent layer opening portions. The number of the conductive portion is 400 per 1 mm.sup.2, and an opening ratio of the conductive material layer is at least 40%.
RESIN FOR FOAM MOLDING, FOAM MOLDED ARTICLE, AND METHOD FOR PRODUCING SAME
Provided is a resin for foam molding excellent in foam molding property and low-temperature impact resistance. According to the present invention, provided is a resin for foam molding including a component A, a component B and a component C. The component A is a long-chain branched homopolypropylene, the component B is a long-chain branched block polypropylene, the component C is a polyethylene-based elastomer, and when a total of the components A to C is 100 parts by mass, content of the component A is 20 to 70 parts by mass, content of the component B is 20 to 70 parts by mass, and content of the component C is 1 to 20 parts by mass.
METHOD FOR PRODUCING FUSIBLE MATERIAL FOR THREE-DIMENSIONAL MOLDING
The method for manufacturing a soluble material for three-dimensional modeling that is used as a material of a support material that supports a three-dimensional object when manufacturing the three-dimensional object with a 3D printer of a fused deposition modeling system, comprising a kneading step of kneading raw materials of the soluble material for three-dimensional modeling by a twin screw extruder having a screw configuration in which a ratio of a total length K of kneading discs to a total length L of an effective screw is 0.20<K/L<0.70 and in which a temperature T.sub.mix of the raw materials of the soluble material for three-dimensional modeling in the kneading step and a glass transition temperature T.sub.g of a base polymer contained in the raw materials of the soluble material for three-dimensional modeling satisfy a formula T.sub.g+80( C.)<T.sub.mix<T.sub.g+200( C.).
Foam actuators
Foam-based pneumatic actuators can be formed in a state of mechanical compression prior to actuation. An actuator includes an elastomeric foam; a coating disposed on the elastomeric foam; and an elastomer seal disposed on the coating. The coating constrains the elastomeric foam and can be configured to break or fracture when the elastomeric foam inflates. The elastomer seal can be configured to be impermeable to the actuating fluid. Such a foam actuator can be used in a cardiac compression device. These foam actuators possess increased actuation deformation and an actuation exerted force for a given inflation pressure. A large deformation can be provided from materials having low ultimate strains.