Sk Chemicals Co., Ltd.

Industry-University Cooperation Foundation Hanyang University

Song Lee

Jeong Ho Park

Ju-Sik Kang

Hee Il Chae

Yu Mi Chang

Nam-Choul Yang

Jae Kyun Park

Kyung Sil Yoon

Yong-Jun Shin

Yu-Mi Chang

Suk Woon Jun

Jae-Kyun Park

Han Seung Lee

Bong Young Yoo

Soo Bin Park

Dong Ik Lee

A method of preparing 3(4),8(9)-bisformyltricyclo[5.2.1.0]decane is provided. According to the present invention, 3(4),8(9)-bisformyltricyclo[5.2.1.0]decane (TCDDA) may be prepared with a high conversion rate and purity without a separate catalyst recovery process.

Method for preparing 3(4),8(9)-bisformyltricyclo[5.2.1.0]decane

Provided are a tricyclodecane dimethanol composition, in which a ratio of isomers is controlled, and a preparation method thereof.

Tricyclodecane dimethanol composition and preparation method of the same

The present invention relates to a phosphine precursor for the preparation of a quantum dot, and a quantum dot prepared therefrom. Using the phosphine precursor for the preparation of a quantum dot of the present invention, a quantum dot with improved luminous efficiency and higher luminous color purity can be provided.

Phosphine precursor for preparing quantum dot and quantum dot prepared therefrom

Provided are a tricyclodecane dimethanol composition, in which a ratio of structural isomers is controlled, and a preparation method thereof.

Provided are a tricyclodecane dimethanol composition which may be suitably used in preparing a polyester resin exhibiting excellent solvent resistance and chemical resistance when forming a coating film and having excellent solubility in organic solvents or water, and a preparation method thereof.

Provided are a tricyclodecane dimethanol composition which may be usefully applied to the preparation of a high heat resistant polyester by reducing the content of impurities, and a preparation method thereof.

The present disclosure provides a construction structure corrosion measurement sensor having accuracy higher than that of conventional sensors, and a method for measuring corrosion by using the same. To this end, the present disclosure provides a sensor assembly including an eddy-current sensor including an insulator a coil surrounding the outer periphery of the insulator. The present disclosure also provides a construction structure corrosion measurement method including the steps of: positioning a sensor assembly next to a rebar inside a construction structure in parallel with and adjacent to the rebar; applying a voltage to the sensor assembly; measuring a voltage generated by an eddy current resulting from the adjacent rebar; and conducting measurement at a predetermined time interval so as to measure a voltage change.

Construction structure corrosion measurement sensor assembly and method for measuring corrosion by using same

This invention relates to a compound for an organic electroluminescent device and to an organic electroluminescent device including the same. This compound for an organic electroluminescent device has high thermal stability, high triplet energy and high hole transport capability, and the organic electroluminescent device including the same is improved in thermal stability and light emission efficiency. When this compound is used as a hole transport layer material, a triplet exciton of a phosphorescent light emitting material is confined, thus improving efficiency of the organic electroluminescent device.

Compound for organic eletroluminescent device and organic electroluminescent device including the same

This invention relates to a compound for an organic electroluminescent device and to an organic electroluminescent device including the same. This compound for an organic electroluminescent device including the same is improved in thermal stability and light emission efficiency. When this compound is used as a hole transport layer material, a triplet energy of a phosphorescent light emitting material is increased, thus improving the efficiency of the organic electroluminescent device.

Growing community of inventors

Gyeonggi-do, South Korea

Song Lee