Lg Chem, Ltd

Sk Innovation Co., Ltd.

Youngdae Kim

Sang Woo Kim

Seunghee Lee

Eun Ho Kho

Bu Gon Shin

Yulliana Kim

Kiho Ahn

Keunseob Choi

Yongil Lee

Hongseok Jung

Youngseek Yoon

Provided is a phthalonitrile-based resin, comprising repeat units formed by the reaction of a phthalonitrile compound and a curing agent, wherein the phthalonitrile compound comprises 4,4′-bis(3,4-dicyanophenoxy)diphenyloxide of the following Chemical Formula 1 and 4,4′-bis(3,4-dicyanophenoxy)biphenyl of the following Chemical Formula 2 at a weight ratio of 30:70 to 90:10:

Phthalonitrile-based resin with improved impact strength

A three-dimensional printing ink that has a viscosity suitable for three-dimensional printing, and improved performance.

Three-dimensional printing ink comprising a phthalonitrile oligomer

A curable resin composition includes a phthalonitrile oligomer, and a prepolymer thereof. According to the present invention, a curable resin composition, which has melt viscosity that can be controlled within a wide range, and thus, can be applied in a larger number of fields.

Curable resin composition comprising a phthalonitrile oligomer and a prepolymer thereof

The present invention relates to a resin composition, and a brake pad friction material made of the resin composition. The resin composition according to the present invention has high heat resistance and excellent processability, and thus enables the preparation of a brake pad friction material that is capable of securing improved durability and stable brake performance.

Resin composition for brake pad friction materials and brake pad friction materials made of the resin composition

The steam methane reformer using a premixed metal fiber burner which has a short flame length as well as a high temperature to thereby provide a high efficiency and also reduce a size, and a hydrogen station having the same. The steam methane reformer using a high performing metal fiber burner comprises a reforming part () in which a catalyst for steam-reforming hydrocarbon materials and producing hydrogen is disposed; a combustion part () which is provided with a premixed metal fiber burner () for generating heat required for the steam reforming reaction of the reaction tubes (); a raw material supplying part () for supplying hydrocarbon materials to the reaction tube (); and a hydrogen discharging part () for discharging hydrogen produced through the steam reforming reaction by the catalyst of the reaction tube ().

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Daejeon, South Korea

Youngdae Kim