Patent classifications
C08J2477/06
CONDUCTIVE CONCENTRATED RESIN COMPOSITION, CONDUCTIVE POLYAMIDE RESIN COMPOSITION COMPRISING CONDUCTIVE CONCENTRATED RESIN COMPOSITION, METHOD OF PREPARING SAME AND MOLDED ARTICLE
Described are a conductive concentrated resin composition including (a) 100 parts by weight of a base resin including 50% to 95% by weight of a polyamide resin, 2.5% to 20% by weight of a polar polymer, and 2.5% to 30% by weight of a non-polar polymer, (b) 10 parts to 40 parts by weight of a carbon nanofibril, (c) 0.5 parts to 5 parts by weight of a carbon nanoplate, and (d) 0.5 parts to 4 parts by weight of nanoclay; a conductive polyamide resin composition including the conductive concentrated resin composition; a method of preparing the conductive concentrated resin composition; and a molded article including the conductive polyamide resin composition.
Highly filled polymeric concentrates
A composition comprises a highly filled polymeric concentrate produced by melt processing a filler with a liquid polymeric dispersion.
Method for Producing Foam, and Foam Produced Thereby
The present invention relates to a method for producing foam and foam produced thereby. The method for producing foam includes a step for producing foam by kneading and injection molding a first extrusion product and a second extrusion product, wherein the first extrusion product is obtained by extruding a first composition including an aromatic vinyl-based resin, and the second extrusion product is obtained by extruding a second composition including a polyamide resin and a foaming agent.
Rocket booster casings made with semipreg having a thermoplastic toughened novolac-based epoxy resin matrix
A semipreg that can be cured/molded to form aerospace composite parts including rocket booster casings. The semipreg includes a fibrous layer and a resin layer located on one side of the fibrous layer. The resin layer includes an epoxy component that is a combination of a hydrocarbon epoxy novolac resin and a trifunctional epoxy resin and optionally a tetrafunctional epoxy resin. The resin matrix includes polyethersulfone as a toughening agent and a thermoplastic particle component.
POLYAMIDE PARTS WITH LOW FUEL PERMEATION
Use of a part comprising at least a portion of a polyamide moulding composition said portion for direct contact with fuel,
wherein the polyamide moulding composition consists of the following components in the following proportions: (A) 30-90% by weight of at least one polyamide; (B) 10-70% by weight of fibers with non-circular cross-section; (C) 0-10% by weight of at least one stabiliser; (D) 0-10% by weight of additives different from (B) and (C),
wherein the sum of (A)-(D) makes up 100% of the portion.
ARAMID FIBER ELECTROCHEMICAL CAPACITOR AND PREPARATION METHOD THEREFOR
The invention discloses an aramid fiber electrochemical capacitor and a preparation method thereof. Silver nanoparticles, carbon nanotubes and polypyrrole were sequentially coated on the surface of the aramid fiber by chemical bonding to prepare an aramid fiber electrode. The two aramid fiber electrodes were wound with an electrolyte to obtain an aramid fiber electrochemical capacitor. Compared with the polymer fiber electrochemical capacitor prepared in the prior art, the aramid fiber electrochemical capacitor provided by the present invention has high specific capacitance, high energy density, high mechanical performance, high stability, good flexibility and wearability; moreover, the preparation method is controllable and suitable for large-scale applications.
POLYMER-BASED SUBSTRATE AND METHOD FOR PRODUCING THE SAME
A polymer-based substrate is proposed, which in particular is electrostatically coatable, wherein the substrate comprises a substrate base body made using a polymeric material and a coating applied to a surface region of the substrate base body, wherein the polymeric material comprises a first polymer, wherein the coating comprises a matrix polymer and an additive which is dispersed in the matrix polymer and reduces the surface resistance of the coating, said additive having a proportion that is selected such that the specific surface resistance of the coating is about 10.sup.10 Ohm or less, and wherein the matrix polymer is selected such that it is compatible with the first polymer.
RESIN COMPOSITION, FORMED ARTICLE, AND FILM
A resin composition which has oxygen-barrier properties less apt to depend on humidity and has high transparency; and a formed article and a film which include the resin composition are provided. The resin composition includes from 10 to 90 parts by mass of a polyamide resin (A) and from 90 to 10 parts by mass of a polyamide resin (B), wherein the polyamide resin (A) includes constituent units derived from a diamine and constituent units derived from a dicarboxylic acid, with 70 mol % or more of the constituent units derived from a diamine being derived from xylylenediamine and 90 mol % or more of the constituent units derived from a dicarboxylic acid being derived from adipic acid; the polyamide resin (B) includes constituent units derived from a diamine and constituent units derived from a dicarboxylic acid, 70 mol % or more of the constituent units derived from a diamine being derived from xylylenediamine, from 30 to 65 mol % of the constituent units derived from a dicarboxylic acid being derived from an ,-linear chain aliphatic dicarboxylic acid having from 4 to 20 carbons, and from 70 to 35 mol % of the constituent units derived from a dicarboxylic acid being derived from isophthalic acid.
Transmission belt
Disclosed is a power transmission belt having a belt body made of rubber, and a cord embedded in the belt body so as to form a helical pattern having a pitch in a belt width direction. The cord is coated with an adhesion layer formed by an adhesion treatment and containing a rubber component, and the adhesion layer is in contact with a rubber composition containing cellulose-based fine fibers.
Reinforced product comprising a composition containing a rapid vulcanization accelerator and tire comprising said reinforced product
A reinforced product, which can be used especially for reinforcing a finished rubber article, comprises one or more textile or metallic reinforcing thread(s), said thread(s) being covered with a sheath comprising a thermoplastic polymer composition, the sheathed thread(s) being themselves embedded in a rubber composition referred to as coating rubber, characterized in that this coating rubber is a composition based on at least one diene elastomer, a reinforcing filler, and a sulfur-based vulcanization system, which system comprises a vulcanization accelerator having a vulcanization initiation time, referred to as t0, of less than 3.5 minutes, preferably of less than or equal to 3 minutes.