ARONKASEI CO., LTD. Patent applications |
Patent application number | Title | Published |
20140357775 | THERMOPLASTIC ELASTOMER COMPOSITION - A thermoplastic elastomer composition containing a (meth)acrylic elastomer (component A), a thermoplastic resin having a melting point of from 180° to 350° C., and having a functional group reactive with an epoxy group (component B), and a vinyl copolymer having a solubility in tetrahydrofuran and having two or more epoxy groups in one molecule, on average (component C), wherein proportions of each of the components are: 40 to 95 parts by weight of the (meth)acrylic elastomer (component A), 5 to 60 parts by weight of the thermoplastic resin (component B), and 0.1 to 30 parts by weight of the vinyl copolymer (component C), a total of the (meth)acrylic elastomer (component A) and the thermoplastic resin (component B) being 100 parts by weight, wherein the component C is constituted by monomer units containing 50% by weight or more of monomer units (monomer unit c1) of which SP value is from 17.5 to 25.0, and wherein a flow beginning temperature is from 180° to 350° C. The molded article obtainable from the thermoplastic elastomer composition of the present invention can be used in various kinds of fields such as electric and electronic parts, automotive parts, sealants, packing, vibration proofed materials, and tubes. | 12-04-2014 |
20130231433 | ELASTOMER COMPOSITION AND STOPPER FOR MEDICAL CONTAINER - The object of the present invention is to provide an elastomer composite creating a molded article having excellent heat resistance, anti-leakage and needle retaining properties. To attain the object, the present invention provides an elastomer composite comprising 100 parts by mass of a block copolymer mixture containing 10 to 90 parts by mass of a block copolymer A, and 90 to 10 parts by mass of a block copolymer P, with the total amount of said block copolymers A and P being 100 parts by mass, 100 to 300 parts by mass of a softener B, having a kinetic viscosity in the range of between 50 and 500 centistokes (cSt) at 40° C., 1 to 50 parts by mass of a propylene polymer C, having a modulus in bending in the range of between 1000 and 3000 MPa, and 1 to 50 parts by mass of an aromatic polymer D. | 09-05-2013 |
20130032752 | HEAT CONDUCTIVE ELASTOMER COMPOSITION - The object of the present invention is to provide a heat conductive elastomer composite useful as the heat radiating member of electric parts or electronic parts, or the like. In the present invention, an aluminum hydroxide having a surface covered with an organic coupling agent and/or an inactivated magnesium oxide, being a magnesia clinker having a surface covered with an inorganic substance and/or an organic substance, is (are) combined as heat conductive filler(s) in an elastomer composite mainly composed of a styrenic elastomer. | 02-07-2013 |