Samsung Fine Chemicals Co., Ltd.

Samsung Electro-mechanics Co., Ltd.

Shenzhen Wote Advanced Materials Co., Ltd.

Samsung Electronics Co., Ltd.

Sungkyunkwan University

Mahn Jong Kim

Jin Kyu Lee

Youn Eung Lee

Young Hak Shin

Chung Won Park

Myung Se Lee

Myung Sup Jung

Chung Kun Cho

Jae-jun Lee

Jae Jun Lee

Myung-Sup Jung

Hyun Min Kim

Kwang Hee Kim

Kalinina Fedosya

Young Taek Oh

Chung-Kun Cho

Kwang-Hee Kim

Dong Sik Kim

Jin Young Bae

Mi Jeong Kim

Bon Hyeok Gu

Sang Hyuk Suh

Jin Hae Chang

Seo Won Jang

Yang Seob Kim

Yong Ho Ahn

Jong Hwa Yun

Kenji Hamada

Myung Geun Shin

Provided are a wholly aromatic polyester amide copolymer resin, a polymer film containing the wholly aromatic polyester amide copolymer resin, a flexible metal clad laminate containing the polymer film, and a flexible printed circuit board employing the flexible metal clad laminate. The disclosed wholly aromatic polyester amide copolymer resin includes 5-25 parts by mole of a repeating unit (A) derived from an aromatic hydroxy carboxylic acid; 20-40 parts by mole of at least one repeating unit selected from the group consisting of a repeating unit (B) derived from an aromatic amine having a phenolic hydroxyl group and a repeating unit (B') derived from an aromatic diamine; 20-40 parts by mole of a repeating unit (C) derived from an aromatic dicarboxylic acid; 5-20 parts by mole of a repeating unit (D) derived from an aromatic diol; and 5-20 parts by mole of a repeating unit (E) derived from an aromatic amino carboxylic acid.

Wholly aromatic polyester amide copolymer resin, polymer film including the wholly aromatic polyester amide copolymer resin, flexible metal-clad laminate including the polymer film, and flexible printed circuit board including the flexible metal-clad laminate

Provided is a wholly aromatic liquid crystalline polyester resin compound. The wholly aromatic liquid crystalline polyester resin compound includes a wholly aromatic liquid crystalline polyester resin having a high melting point and mica having a predetermined size.

Wholly aromatic liquid crystalline polyester resin compound having improved fluidity

A thermally conductive polymer composite material and an article including the same. The thermally conductive polymer composite material includes 15 to 20 parts by weight of a wholly aromatic liquid crystalline polyester resin; and 80 to 85 parts by weight of a thermally conductive additive.

Thermally conductive polymer composite material and an article comprising same

A thermosetting oligomer or thermosetting polymer is provided. The thermosetting oligomer or thermosetting polymer contains repeating units, each of which has at least one thermosetting functional group in the side chain and is represented by Formula 1: where repeating units include X, A, and Ysubunits, sidechain units include linking unit L and thermosetting functional group Z, and n is an integer from 1 to 4. The thermosetting oligomer or thermosetting polymer has a low coefficient of thermal expansion and high or no glass transition temperature, stiffness, processability, heat resistance and mechanical properties. The thermosetting oligomer or thermosetting polymer is highly soluble, wettable and dimensionally stable and is suitable for use in films, prepregs and printed circuit boards. Further provided are a thermosetting resin composition including the thermosetting oligomer or thermosetting polymer and a printed circuit board using the composition.

Thermosetting oligomer or polymer, thermosetting resin composition including the oligomer or polymer, and printed circuit board using the composition

Disclosed is a thermosetting resin composition including a thermosetting aromatic oligomer represented by the following Chemical Formula 1, a hollow particle, and solvent, and a board comprising the same.  In the above Chemical Formula 1, wherein B, L, L, Zand Zare the same as in defined in the specification.

Thermosetting resin composition and board using the same

Provided is a wholly aromatic liquid crystalline polyester resin compound having excellent electrical insulating properties, heat resistance, and mechanical strength due to the inclusion of an inorganic filler having low electrical conductivity, high heat resistance, and high mechanical strength.

Wholly aromatic liquid crystal polyester resin compound having improved insulation properties

Disclosed are a wholly aromatic liquid crystal polyester resin compound and a preparation method thereof. The disclosed wholly aromatic liquid crystal polyester resin compound comprises a wholly aromatic liquid crystal polyester resin having a high melting point, and an inorganic filler having a high thermal conductivity. In addition, the disclosed wholly aromatic liquid crystal polyester resin compound can be prepared by using a twin screw extruder having a barrel temperature of 350 to 450&#xb0; C.

Wholly aromatic liquid crystal polyester resin compound with improved heat resistance, and preparation method thereof

Disclosed are a production method for a wholly aromatic liquid crystalline polyester resin, a wholly aromatic liquid crystalline polyester resin produced using the method, and a compound of the wholly aromatic liquid crystalline polyester resin. The disclosed production method for a wholly aromatic liquid crystalline polyester resin comprises the steps of synthesizing a wholly aromatic liquid crystalline polyester resin by synthesizing a wholly aromatic liquid crystalline polyester prepolymer by a condensation polymerization of a monomer and then reducing the pressure inside a reaction vessel containing the synthesized prepolymer at a predetermined internal pressure reduction rate of the reaction vessel.

Production method for a wholly aromatic liquid crystalline polyester resin, a wholly aromatic liquid crystalline polyester resin produced by means of the method, and a compound of the wholly aromatic liquid crystalline polyester resin

Provided are a wholly aromatic liquid crystalline polyester resin compound and a method of preparing the same. The wholly aromatic liquid crystalline polyester resin compound comprises a first wholly aromatic liquid crystalline polyester resin with a low melting point, a second wholly aromatic liquid crystalline polyester resin with a high melting point, and an additive, wherein the amount of the first wholly aromatic liquid crystalline polyester resin is 5 to 10 parts by weight with respect to 100 parts by weight of the second wholly aromatic liquid crystalline polyester resin.

Wholly aromatic liquid crystalline polyester resin compound with enhanced fluidity and method of preparing the same

Disclosed herein is a crosslinkable thermoset monomer. The crosslinkable thermoset monomer has acetylene groups as crosslinking groups introduced at both ends of the backbone. Also disclosed herein is a composition for producing a printed circuit board which comprises the crosslinkable thermoset monomer. The composition exhibits excellent mechanical and thermal properties. Therefore, the composition can be used as a material for next-generation boards that are becoming lighter in weight and smaller in size and thickness. Also disclosed herein is a printed circuit board using the composition.

Crosslinkable thermoset monomer, composition for producing printed circuit board comprising the thermoset monomer and printed circuit board using the composition

A liquid crystal thermoset (LCT) monomer or oligomer having both ends capped with maleimide having at least one methyl group, represented by Formula 1: 

Liquid crystal thermoset monomer or oligomer, thermosetting liquid crystal polymer composition comprising the same and printed circuit board using the same

Growing community of inventors

Daejeon, South Korea

Mahn Jong Kim