Abstract: A task is to provide a fire-resistant fabric and a seat each having excellent flame retardancy, fire resistance, strength, comfortability, and formability, and a solution to problem is that a fire-resistant fabric which has a bending resistance of 95 mm or less in the warp direction or in the weft direction, as measured by the method prescribed in JIS L 1096 (2010) A method (45° cantilever method), is obtained using a flame-retardant fiber having an LOI of 26 or more, as measured in accordance with JIS L 1091 (1999) E-2 method.
Abstract: The present invention provides a method for producing a carbon fiber bundle, the method including steps (b) to (e) described below: (b) an oil agent application step of applying a silicone oil agent to a precursor fiber bundle to produce an oil-agent-attached precursor fiber bundle; (d) a stabilization step of subjecting the oil-agent-attached precursor fiber bundle to an oxidization treatment to produce an oxidized fiber bundle; and (e) a carbonization step of carbonizing the oxidized fiber bundle, wherein the silicone oil agent has a skin over time at 250° C. of less than 40 minutes.
Abstract: The present invention is aimed to provide a carbon fiber reinforced resin processed product which is almost free from the problems described above on a processed surface subjected to cutting or the like and has an end surface where generation of a burr is suppressed, has favorable surface properties, and surface nature, and particularly smoothness is excellent; and provides a carbon fiber reinforced resin processed product having an end surface which has fibers and a resin, wherein the end surface has a surface roughness (Rz) within a range from 5 ?m to 50 ?m.
Abstract: Provided is a resin composition comprising: a polycarbonate resin (A) containing, as main repeating units, a unit (a-1) represented by the following formula (a-1) and a unit (a-2) represented by the following formula (a-2) (wherein, W represents a C1-20 alkylene group or a C6-20 cycloalkylene group, R represents a branched or linear-chain C1-20 alkyl group or a C6-20 cycloalkyl group optionally substituted, and m represents an integer of 0 to 10) and an acrylic resin (B), and the polycarbonate resin and the acrylic resin are in a weight ratio of 40:60 to 99:1, wherein the resin composition has a single glass transition temperature, which is in the range of 90° C. to 150° C., and the resin composition has excellent transparency, chemical resistance, surface hardness and heat resistance, and has a low photoelastic coefficient.
Abstract: A formed sheet product of a polymer composition comprising at least one protein selected from the group consisting of fibrinogen and thrombin and at least one polymer selected from the group consisting of an aliphatic polyester and a water-soluble polymer, and a laminated formed sheet product comprising a first polymer composition layer composed of fibrinogen and a water-soluble polymer and a second polymer composition layer composed of thrombin and an aliphatic polyester are provided. These formed products are applied onto a wound site and function as a hemostatic material.
Abstract: A sensor device has improved stability and includes: a sensor member having a core using a core material having a residual strain at 2% elongation of 0.4% or less, a conductor which has an electrical resistance of 1 k?/m or less and which is wound round an outer surface portion of the core in a coil form, an electromagnetic wave shielding layer for shielding the conductor from an extraneous electromagnetic wave, and an insulating layer having an electrical insulation function between the conductor and the electromagnetic wave shielding layer; and a measuring means for detecting an electric signal from the sensor member to measure an elongation of the sensor member based on a change of the electric signal; wherein the core material has various properties including a tensile modulus of 1 to 250 GPa and the core has a diameter of 0.08 to 0.6 mm.
Abstract: A garment in one aspect of the present disclosure includes an outer fabric and a lining fabric. The outer fabric forms a front body part and a back body part. The front body part includes a first opening to be situated in a center portion of the front body part in a width direction of the garment when the garment is worn over a wearer. The first opening extends in a length direction of the garment. The lining fabric is attached to the outer fabric so as to form an internal space between the lining fabric and the outer fabric. The internal space is formed (i) to accommodate a fan in the internal space and (ii) to let an airflow generated by the fan pass through the internal space.
Abstract: An object of the present invention is to provide a dyed fabric and a textile product made thereof, as well as a dyeing method, which achieve color uniformity of a meta-type wholly aromatic polyamide fiber, a para-type wholly aromatic polyamide fiber and a polyester fiber, even in the case of a fabric containing a meta-type- and para-type-wholly aromatic polyamide fibers and a polyester fiber which are difficult to dye. The present invention relates to a dyed fabric dyed after being shaped into a fabric, characterized in that the fabric includes a meta-type wholly aromatic polyamide fiber, a para-type wholly aromatic polyamide fiber and a polyester fiber and the fabric is a fabric dyed with a cationic dyestuff and a disperse dyestuff, and in that the afterflame time and afterglow time defined in JISL1091A-1 are 1 second or less.
Abstract: A polycarbonate-polydiorganosiloxane copolymer or a resin composition thereof having excellent impact resistance, and, in particular, excellent impact resistance at extremely low temperatures, as well as excellent chemical resistance; and a production method for the resin composition are provided. This copolymer or resin composition thereof includes a polycarbonate-polydiorganosiloxane copolymer and an optional polycarbonate resin. The copolymer includes a polycarbonate block (A-1) and a polydiorganosiloxane block (A-2). The polydiorganosiloxane block (A-2) content of the copolymer or resin composition thereof is 2.5-8.0 wt %. The copolymer or resin composition thereof satisfies (i) and (ii): (i) in a cross-sectional observation image of the copolymer or resin composition thereof that is generated using an electron beam microscope, there are 1-20 domains that have a longest diameter of at least 80 nm in an area that is 850 nm square (722,500 nm2); and (ii) average domain size is 30-100 nm.
Abstract: A concentration membrane for use in concentrating biological particles, including: a hydrophilic composite porous membrane including: a porous substrate; and a hydrophilic resin with which at least one main surface and inner surfaces of pores of the porous substrate are coated, the hydrophilic composite porous membrane having a ratio t/x of a membrane thickness t (m) to an average pore diameter x (m), as measured with a perm porometer, of from 50 to 630.
Abstract: Provided is a cold press molded body having excellent fastening strength and fastening stability as well due to the use of a discontinuous carbon fiber and a discontinuous glass fiber for adjusting the volume, preferably the volume resistivity, of an end region (flowing region).
Abstract: The present invention provides a carbon fiber aggregate that is characterized by comprising carbon fibers in which crystallite interplanar spacing (d002) measured using X-ray diffraction is 0.3400 nm or more, the average liber diameter being 10-900 nm, and the powder volume resistivity being 4.00×10?2 ?·cm or less when the packing density is 0.8 g/cm3.
Abstract: Provided is a composite material including carbon fibers having a weight average fiber length of 1 mm or more and 100 mm or less and a thermoplastic resin. The composite material satisfies K1?1.5×K2 and exhibits excellent conformability during a stretching step in press molding; and a press molded body production method using said composite material. K1 represents the inclination of an approximate straight line of linear approximation on the plot in the range of 35% strain or more, obtained by strain sweep tests from 0% to 100% on the composite material at a temperature of 270° C., a shear of 100 rad/sec, and a normal load of 2 N, plotting, both in logarithmic scales, the values of strain % versus the values of complex viscosity coefficient Pa·sec. K2 represents the inclination of an approximate straight line of linear approximation on the plot in the range of less than 35% strain.
Abstract: A battery containment construct is provided that includes a unitary tray having a bottom and a set of walls including a first side wall, a second side wall, a first end wall, and a second end wall. The set of walls extending from the bottom of the tray and defining a cavity within the tray. A cover removably attached to the plurality of walls of said tray opposite the bottom of said tray. Energy absorption components attached to the bottom of the tray external to at least one of the set of walls in some versions to enhance impact resistance. The construct has high strength, is light weight and well suited for containing and protecting energy cells or batteries that adjusted to impact resistance, fire resistance, and fluid penetration prevention.
Type:
Application
Filed:
May 7, 2020
Publication date:
July 7, 2022
Applicants:
Teijin Limited, Continental Structural Plastics, Inc.
Inventors:
Masatomo Teshima, Max Kamiyama, Shunsuke Tamura, Hugh Foran
Abstract: A substrate for a composite membrane includes a microporous polyolefin membrane for carrying a hydrophilic resin compound within the pores of the microporous membrane wherein: the average pore diameter is 1 nm to 50 nm; the porosity is 50% to 78%; the membrane thickness is 1 ?m to 12 ?m; and, when a mixed solution of ethanol and water (volume ratio 1/2) is dripped onto a surface of the microporous polyolefin membrane which has not undergone hydrophilization treatment, the contact angle ?1 between the droplet and the surface is 0 to 90 degrees 1 second after the dripping, and the contact angle ?2 between the droplet and the surface is 0 to 70 degrees 10 minutes after the dripping, and the rate of change of the contact angle ((?1??2)/?1×100) is 10 to 50%.
Type:
Application
Filed:
March 15, 2022
Publication date:
June 30, 2022
Applicant:
TEIJIN LIMITED
Inventors:
Takeo YAMAGUCHI, Yuhei Oshiba, Hidenori Ohashi, Jin Tomatsu, Koji Furuya, Takao Ohno, Mami Nanbu
Abstract: An embodiment of the present invention provides a separator for a non-aqueous secondary battery containing a porous substrate; and a heat-resistant porous layer that is formed on one side or on both sides of the porous substrate, and that contains a wholly aromatic polyamide, inorganic particles and an ionic material, in which the inorganic particles have an average primary particle diameter of from 0.02 ?m to less than 0.1 ?m or in which the inorganic particles include a metal sulfate or a metal hydroxide.
Abstract: An object of the invention is to provide a thermoplastic resin prepreg that gives a fiber-reinforced composite material with excellent mechanical strength even through molding at a low temperature within a short period of time. The thermoplastic resin prepreg of the invention is a thermoplastic resin prepreg including at least a reinforcing fiber substrate and a thermoplastic resin composition partially or completely impregnated in the reinforcing fiber substrate. The thermoplastic resin prepreg is configured such that the thermoplastic resin composition contains 50 mass % or more of polyetherketoneketone (PEKK) based on the total thermoplastic resin composition, and is a thermoplastic resin composition having a crystallization enthalpy of 22 J/g or more as measured by a differential scanning calorimeter (DSC) at a cooling rate of 50° C./min from 400° C.
Abstract: An embodiment of the present invention provides a separator for a non-aqueous secondary battery containing a porous substrate; a heat-resistant porous layer that is provided on one side or on both sides of the porous substrate, and that contains a binder resin and inorganic particles, the inorganic particles having an average primary particle diameter from 0.01 ?m to less than 0.45 ?m; and an adhesive layer that is provided on one side or on both sides of a laminated body of the porous substrate and the heat-resistant porous layer, and adhesive resin particles adhered to the laminated body.
Abstract: Provided is a separator for a non-aqueous secondary battery containing a porous substrate; and an adhesive porous layer that is provided on one side or on both sides of the porous substrate, and that contains a polyvinylidene fluoride type resin, an acrylic type resin and metal sulfate particles, in which an average primary particle diameter of the metal sulfate particles contained in the adhesive porous layer is from 0.01 ?m to less than 0.30 ?m.
Abstract: A polymeric binder includes an ion-conducting polymer containing a polymer and a metal ion. The polymer is preferably selected from the group consisting of polyester, polyether, anionic polymer, polycarbonate, and silicone. An all-solid-state secondary battery includes an inorganic solid electrolyte, and the inorganic solid electrolyte in at least an electrode mixture layer or an inorganic solid electrolyte layer is bound together by the polymeric binder.