Lg Chem, Ltd

Sps Inc.

Korea Minting, Security Printing Id Card Operating Corp

Korea Advanced Institute of Science and Technology

Hyun Jun Kim

No Ma Kim

Ro Mi Lee

Kyoung Hwan Oh

Dae-Young Youn

Hong Keon Kim

Hye Jung Shin

Il Hoon Choi

Hyun Jin Oh

Ho Young Lee

Yu Jin Kim

Youk Reol Na

He Seung Lee

Min Sik Mun

Suk Joon Yoo

Jae Sun Choi

You Seok Seo

Hyeon Jong Park

Jung Hwan Oh

Hyun-Soo Park

Jung-Gyo Kim

Geun Seung Baek

Jae Moon Jun

Toumadher Barhoumi

Jin Geon Kang

Dong Suk Kum

A modified conjugated diene-based polymer and a rubber composition including the same are disclosed herein. The modified conjugated diene-based polymer has excellent processability and good tensile strength and viscoelasticity. In some embodiments, a modified conjugated diene-based polymer includes a derived unit from a modifier, the modifier including three or more alkoxy groups bonded to silicon; a non-functional chain forming a silicon-carbon bond at one side of the derived unit from a modifier and including a repeating unit derived from a conjugated diene-based monomer; and a functional chain forming a silicon-carbon bond at the other side of the derived unit from a modifier and including two or more derived units from an N-functional group-containing monomer.

Modified conjugated diene-based polymer and rubber composition including the same

A modified conjugated diene-based polymer including a repeating unit from a conjugated diene-based monomer; a derived unit from an N-containing aromatic hydrocarbon compound; a derived unit from an S-containing aromatic hydrocarbon compound or an S-containing heterocycle compound, and Si. Each of Si content and N content is 50 ppm or more based on the total weight of the polymer. The modified conjugated diene-based polymer satisfies the following conditions: (i) molecular weight distribution (PDI; MWD): 1.0 or more and less than 3.0; and (ii) a S content is 25 ppm or more based on a total weight of the polymer.

Modified conjugated diene-based polymer, method for preparing the same and rubber composition comprising the same

The present invention relates to a modified conjugated diene-based polymer having excellent processability and good tensile strength and viscoelasticity, and a rubber composition including the same, and provides a modified conjugated diene-based polymer including a first chain including a repeating unit derived from a conjugated diene-based monomer; a second chain including a repeating unit derived from a compound represented by Formula 1; and a derived unit from an alkoxysilane-based modifier, wherein the first chain and the second chain are coupled by the derived unit from the modifier.

Modified conjugated diene-based polymer, method for preparing the same and rubber composition including the same

A modified conjugated diene-based polymer, a method of making the same, and a rubber composition including the same are disclosed herein. The modified conjugated diene-based polymer has excellent processability and good tensile strength and viscoelasticity. In some embodiments, a modified conjugated diene-based polymer includes a first chain including a repeating unit derived from a conjugated diene-based monomer, a second chain including a repeating unit derived from a compound represented by Formula 1 or Formula 2, and a derived unit from an alkoxysilane-based modifier, wherein the first chain and the second chain are coupled by the derived unit from the modifier.

A modified conjugated diene-based polymer and a rubber composition including the same are disclosed herein. In some embodiments, a modified conjugated diene-based polymer satisfying the conditions of i) a mooney viscosity from 75 to less than 100, measured in accordance with ASTM D1646 at 110° C., ii) a mooney stress relaxation ratio 0.4 or less, measured at 110° C., iii) a weight average molecular weight (Mw) of 750,000 g/mol or more, and iv) a molecular weight distribution from 1.0 to 2.0, wherein the molecular weight distribution is a ratio of Mw to the number average molecular weight (Mn).

Provided is a security fabric having improved security and identification properties, the security fabric comprising security threads containing a fluorescent material, which has an intrinsic light emission characteristic under excitation light, wherein the security threads are included in warp threads, weft threads, or warp and weft threads, and a set number of security threads are included per unit area.

Security fabric having improved security and identification properties

Provided is a security item using the intensity of fluorescent materials and a user identification system using same, the security item containing fluorescent materials that have intrinsic luminescent characteristics when irradiated with excitation light, wherein the fluorescent materials are contained in an amount of 0.2-3.0 wt % on the basis of the weight of the security item, and the difference in relative value calculated by formula (I), according to a 0.2-0.5 wt % difference in the amount of the fluorescent materials, is at least 3. Formula (I): the relative value of χ wt % of fluorescent materials=(the relative intensity of the emission wavelength of χ wt % of the fluorescent materials×100)/(the relative intensity of the emission wavelength of 3.0 wt % of the fluorescent materials).

Security item using intensity of fluorescent materials, and user identification system using same

A hybrid powertrain apparatus comprising a first planetary gear device including at least three rotary elements, a first motor, an output axis, and a second motor connected to a first rotary element, a second rotary element, and a third rotary element of the first planetary gear device; a first brake and a second brake provided to vary rotation restricting states of the first rotary element and the third rotary element relative to a fixing member; an engine variably connected to the first rotary element; a clutch configured to variably connect the first rotary element and the engine to vary a mutual rotation restricting state between the first rotary element and the engine; and a speed multiplication gear or a speed reduction gear between the clutch and the engine and connecting the clutch and the engine.

Multi-mode hybrid vehicle powertrain apparatus

Provided is a magnetic connector module including: a pattern electrode part module; and a pin terminal part module, wherein the pattern electrode part module includes pattern electrodes having a concentric circle shape, pattern electrode part magnets, and a pattern electrode part connector, wherein the pin terminal part module includes a plurality of pin terminals, pin terminal part magnets, and a pin terminal part connector wherein the plurality of pin terminals include a power terminal VCC, a ground power terminal GND, and a signal terminal S, wherein an electrode contacting the ground power terminal GND and an electrode contacting the signal terminal S among the pattern electrodes are electrically short-circuited, and wherein the pin terminal part module includes the power supply blocking circuit allowing power supply to the power terminal VCC only in a state in which the ground power terminal GND and the signal terminal S are electrically short-circuited.

Magnetic connector module having power supply blocking circuit

Magnetic connector electrode terminal module

Growing community of inventors

Daejeon, South Korea

Hyun Jun Kim