Abstract:
PURPOSE: An anti-abrasion transparent thermoplastic resin composition is provided to secure the shock resistance, the mobility, the thermal stability, and other matter properties without decreasing the transparency. CONSTITUTION: An anti-abrasion transparent thermoplastic resin composition contains 100 parts of transparent thermoplastic resin by weight, and 1~50 parts of thermoplastic elastomer by weight with the refractive index of 1.48~1.53. The transparent thermoplastic resin is an acrylic resin, a styrenic resin, their copolymers, or a polyester-based resin. The thermoplastic elastomer is either a thermoplastic polyurethane or its compound. The anti-abrasion transparent thermoplastic resin composition additionally includes an additive selected from the group consisting of a dye, a pigment, a flame retardant, a filler, a stabilizer, a lubricant, an antimicrobial agent, a release agent, and their mixture.
Abstract:
PURPOSE: An EMI(electromagnetic interference)/RFI(radio frequency interference) shielding polymer composite is provided to have high conductivity by including a tetrapod whisker which easily forms a network between filers and a metal having a low melting point. CONSTITUTION: An EMI/RFI shielding polymer composite includes thermosetting polymer resin 40-84 volume %, tetrapod whisker 15-50 volume %, and a metal having a low melting point 1-10 volume %. The tetrapod whisker is formed using ZnO. The tetrapod whisker is composed of four leg parts and a body. The length of the leg is 2-100 microns and the size of the body is 0.15-10 microns. The metal having a low melting point is a solid solution.
Abstract:
A highly thermally conductive resin composition is provided to increase the filled amount of a thermally conductive inorganic filler, thereby improving mechanical strength and inhibiting the curing of a polyphenylene sulfide resin. A highly thermally conductive resin composition comprises a polyphenylene sulfide resin, a disulfide-based compound and a thermally conductive inorganic filler. The amount of the polyphenylene sulfide resin is 30 ~ 60 weight% based on the total amount of the polyphenylene sulfide resin and the thermally conductive inorganic filler. The amount of the disulfide-based compound is 0.01 ~ 10 parts by weight based on 100 parts by weight of the polyphenylene sulfide resin.
Abstract:
A polycarbonate resin composition reinforced with long fiber is provided to ensure high impact strength and strength and to be used for manufacturing various molded products such as mobile communications unit and electrical and electronic components. A polycarbonate resin composition comprises 1-70 parts by weight of long fiber filler with 5~30 mm length based on 100 parts by weight of the total weight summing the first polycarbonate resin having the average molecular weight less than 25,000 g/mol, long fiber filler and the second polycarbonate resin having the average molecular weight of 25,000 g/mol excess.
Abstract:
A method for preparing a polycarbonate/polyester resin composition, a polycarbonate/polyester resin composition, and a molded product prepared from the composition are provided to improve stiffness without the deterioration of impact resistance. A method for preparing a polycarbonate/polyester resin composition comprises the steps of adding a long fiber filler to a polyester resin to form a master batch; and blending the master batch and a polycarbonate resin, wherein the amount of the long fiber filler is 10~70 parts by weight based on 100 parts by weight of the polyester resin, the long fiber filler and the polycarbonate resin, and the polyester resin and the polycarbonate resin are added in an amount of 20~70 parts by weight and 30~80 parts by weight, respectively based on 100 parts by weight of the resin component.
Abstract:
A hydrophilic inorganic aggregate, a method for preparing the aggregate, a hydrophilic composite containing the aggregate, and a bipolar plate for a fuel cell containing the aggregate are provided to improve electrical conductivity and hydrophilicity. A hydrophilic inorganic aggregate comprises a hybrid particle which comprises a carbon black particle(110) is buried on the surface of a hydrophilic inorganic particle(100), wherein the size of the carbon black particle is 1/500 to 1/10 of the size of the hydrophilic inorganic particle. Preferably the hydrophilic inorganic particle comprises at least one selected from the group consisting of zirconium dioxide, titanium dioxide, silicon dioxide and aluminum oxide.
Abstract:
동일한 전도성 충진재의 함침량을 가지고도 보다 우수한 전기 전도도 값을 가질 수 있는 연료전지용 바이폴라 플레이트가 제공된다. 본 발명에 따른 연료전지용 바이폴라 플레이트는 열가소성 수지 또는 열경화성 수지 중 선택되는 하나 이상을 포함하는 고분자 수지 20~40 중량%에 대하여, 높이 대 길이의 비율(L/H)이 7,000~40,000인 전도성 충진재가 60~80 중량%가 함침되어 있는 것을 특징으로 하며, 이때 함침되는 전도성 충진재는 높이 대 길이의 비율(L/H)dl 7,000~40,000인 것이 전체 전도성 충진재 중에서 적어도 70 중량% 이상을 포함하고 있는 것을 특징으로 한다. 연료전지, 높이 대 길이, 바이폴라 플레이트, 전도성 충진재, 그라파이트
Abstract:
Provided is a nanocomposite resin composition which has high impact strength, and high low temperature impact strength and is improved in elasticity and heat resistance. The nanocomposite resin composition comprises 45-79.5 parts by weight of a nylon-based nanocomposite resin which contains a nano-sized plated silicate-based inorganic filler; 20-50 parts by weight of a graft copolymer which is formed by graft-polymerizing a rubbery polymer, a cyanovinyl monomer and an aromatic vinyl monomer; and 20 parts by weight or less of a copolymer of a cyanovinyl monomer and an aromatic vinyl monomer. Preferably the rubbery polymer contains a polybutadiene-based rubbery polymer and has an average diameter of 0.2-0.5 micrometers.
Abstract:
A polyphenylene sulfide thermoplastic resin composition and molded products thereof are provided to have good properties such as compatibility, rigidity, external appearance, impact strength, and flame retardancy. The polyphenylene sulfide thermoplastic resin composition comprises a resin composition consisting of (A) 0.1-30 parts by weight of polyphenylene sulfide resin and (B) 70-99.9 parts by weight of polyether sulfone resin, (C) 0.01-10 parts by weight, based on 100 parts by weight of water, of an organic silane-based compatibilizer, and (D) 0.01-10 parts by weight, based on 100 parts by weight of water, of fluorinated polyolefin-based resin.