Disclosed is a carbon nanotube rubber composition comprising a carbon nanotube, an ionic liquid, and a rubber miscible with the ionic liquid. The composition is produced by preparing a carbon nanotube-dispersed gel containing a carbon nanotube, an ionic liquid and optionally an organic solvent dispersed therein, preparing a carbon nanotube/rubber-dispersed gel containing the carbon nanotube-dispersed gel, a rubber, and optionally an organic solvent dispersed therein, and drying the carbon nanotube/rubber-dispersed gel. The composition provides a carbon nanotube rubber, a carbon nanotube rubber paste, a wiring, an electroconductive paste, and an electronic circuit.

Carbon nanotube rubber composition, wiring, electroconductive paste, electronic circuit, and process for producing the carbon nanotube rubber composition

The present invention relates to methods for making oxidation resistant homogenized polymeric materials and medical implants that comprise polymeric materials, for example, ultra-high molecular weight polyethylene (UHMWPE). The invention also provides methods of making antioxidant-doped medical implants, for example, doping of medical devices containing cross-linked UHMWPE with vitamin E by diffusion and annealing the anti-oxidant doped UHMWPE in a super critical fluid, and materials used therein.

Oxidation resistant homogenized polymeric material

Provided is an electroconductive member that can demonstrate stable performance for a long period of time with an electric resistance value being hardly changed even by electrical conduction for a long period of time. An electroconductive member has a conductive mandrel, and a conductive layer provided on the outer periphery of the conductive mandrel. The conductive layer includes an organic polymeric compound as a binder, and a conductive particle dispersed in the organic polymeric compound, and the particle includes an organic-inorganic hybrid polymer having a specific structure.

Electroconductive member, process cartridge and electrophotographic image forming apparatus

A composite material for piezoelectric transduction which exhibits a sufficient piezoelectricity, can be suitably utilized in various fields as a damping material and the like, and can be suitably utilized in the fields that require heat resistance The composite material for piezoelectric transduction of the present invention absorbs external vibration or the like as strain energy, efficiently transforms the strain energy into electricity, and is capable of dissipating the electricity as heat, by using a material for piezoelectric transduction which is excellent in mass production at low cost and handlings One of the preferable aspect of the composite material for piezoelectric transduction is to include a domain which exhibits piezoelectricity in a matrix material of the composite material for piezoelectric transduction, in which the domain is formed of a material for piezoelectric transduction which contains a main chain liquid crystal polymer

Composite material for piezoelectric transduction

PROBLEM TO BE SOLVED: To provide a vibration damping material that has a high storage elastic modulus (E') of ≥3GPa and dissipation factor (tanδ) of ≥01, a fan for damping noise and vibration, and a high sound-quality diaphragm for a speaker SOLUTION: This vibration damping material having high rigidity is obtained by adding a vibration damping material being a less hindered type phenolic compound and an organic filler and/or an inorganic filler to an organic polymer matrix The fan and the diaphragm for the speaker are obtained by molding the vibration damping material COPYRIGHT: (C)2006,JPO&NCIPI

Vibration damping material

PROBLEM TO BE SOLVED: To obtain an organic hybrid vibration damping material having high damping effect and excellent stability and provide its production process. SOLUTION: The objective vibration damping material is composed of a composite material containing a material exhibiting piezoelectric dielectric and electrically conducting effects and an organic polymer matrix material and capable of converting the mechanical vibration energy and acoustic vibration energy supplied from external source into electric or dielectric energy. The material can be produced by homogeneousl mixing the material exhibiting piezoelectric, dielectric and electrically conducting effects with the organic polymer matrix material at or above room temperature and pressing or drawing at a high temperature. The material exhibiting piezoelectric, dielectric and electrically conducting effects is e.g. 4,4'-thiobis(3-methyl-6-t-butylphenol) and 2,2'-methylenebis(4-ethyl-6-t-butylphehol) and the organic polymer matrix material is e.g. acrylic rubber and chlorinated polyolefin.

Organic hybrid vibration damping material and its production

PROBLEM TO BE SOLVED: To provide an ion conductive filler and an ion conductive polymer composition capable of improving ion conductivity by adding to a polymer substance. An ion conductive filler comprising a metal oxide porous body having mesopores, and having an ion conductive substance in the mesopores and / or on the surface of the porous body, and the same An ion conductive polymer composition comprising: [Selection] Figure 1

Ion conductive filler and ion conductive polymer composition

PROBLEM TO BE SOLVED: To provide a solid ion-conductive polymer which is obtained by applying a treatment for enhancing the dispersibility of a metal salt to an ion- conductive polymer, has an improved ion-conducting performance, and has the same or higher ion-conducting performance as or than that of a gel-like ion conductive polymer, to provide a method for producing the same, and to provide a method for treating the same. SOLUTION: This ion-conductive polymer obtained by mixing a prescribed polymer with a prescribed metal salt is characterized in that the ion-conductive polymer is subjected to a contact treatment with supercritical CO 2 fluid. Since the dispersion characteristics of the metal salt in the polymer matrix in the ion-conductive polymer subjected to the supercritical CO 2 fluid treatment are improved, the solid ion-conductive polymer having a remarkably improved ion conductive performance is realized. COPYRIGHT: (C)2003,JPO

Ion conductive polymer and method for producing the same and method for treating the same

PROBLEM TO BE SOLVED: To provide a transparent non-antistatic polymer resin having sufficient mechanical strength as a packing material, etc. and having ≥10 -11 S/cm electric conductivity. SOLUTION: A bicontinuous structure in which mutual phase separation between a transparent non-conductive polymer phase 2a and an ion-conductive polymer phase 3a in which electrolytic salt is dissolved is carried out is formed and a three-dimensional network structure is formed over whole resin by respective polymer phases to produce the transparent non-antistatic polymer 1a. The transparent non-antistatic polymer resin 1a has both of the properties result from transparency and mechanical properties of the transparent non-conductive polymer phase 2a and a property result from conductivity of the ion-conductive polymer phase 3a by the above bicontinuous structure. COPYRIGHT: (C)2008,JPO&INPIT

茂雄浅井

Papers

Organic hybrid vibration damping material and its production

Ion conductive filler and ion conductive polymer composition

Ion conductive polymer and method for producing the same and method for treating the same

Transparent non-antistatic polymer resin and method for producing the same

茂雄 浅井

Papers

Organic hybrid vibration damping material and its production

Ion conductive filler and ion conductive polymer composition

Ion conductive polymer and method for producing the same and method for treating the same

Transparent non-antistatic polymer resin and method for producing the same

茂雄浅井