http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
광개시제, 올리고머 그리고 Talc 함량에 따른 아크릴계 코팅제의 UV경화 및 박리특성
양지우 ( Jee Woo Yang ),서아영 ( Ah Young Seo ),이철우 ( Chul Woo Lee ) 한국공업화학회 2013 공업화학 Vol.24 No.5
As the usuage of tempered glass for touch panel increased rapidly with the development of industry, the amount of UV curable coating solution used to protect glass surfaces during a tempered glass manufacturing process increased as well. The UV curable coating has advantages compared to thermal curing such as shortened curing time and non-solvent. Appropriated polymer and monomer were used as an acid polymer to grant an alkali peeling ability. The monomers were 2-hydroxyl methylacrylate, 1,6-hexanediol diacrylate and dipentaerythritol hexaacrylate which have acryl groups of 1, 2, and 6, respectively. The combination of three different types of photoinhibitors were used and bisphenol A epoxy diacrylate was used as an oligomer. In this study, experiments were carried out by controlling the amount of photoinitiator, oligomer, and additive while maintaining the constant content of the acid polymer and the acrylic monomer. The changes in physical properties according to the additive content were investigated. It was found that the combination of photoinitiators was necessary to achieve the hardness above 4H and it was possible to control the delamination type of the coating film from a sheet to pieces by the addition of TPO as an initiator. The increase in oligomer contents increased the hardness and adhesiveness alongside dissection time. Talc content of 20 wt% showed the best results.
서장우 ( Jang Woo Seo ),조미영 ( Mi Young Cho ),김진우 ( Jin Woo Kim ),박경현 ( Gyeong Hyun Park ),지보영 ( Bo Young Jee ),최동림 ( Dong Lim Choi ),박명애 ( Myoung Ae Park ),오명주 ( Myung Joo Oh ) 한국어병학회 2010 한국어병학회지 Vol.23 No.1
Ministry of Agriculture, Fisheries and Food (MAFF) and National Fisheries Research and Development Institute (NFRDI) have inspected the hatchery-reared seeds of 22 marine species and 11 freshwater species for aquatic animal diseases in stock enhancement program in 2009. Results showed that total 12 local self-governments have been restocking the sea with cultured juveniles. Gyeongsangnam-do, Jeollanam-do, Jejudo and Chungcheongnam-do have a preference for marine species seeds to freshwater species. On the contrary, freshwater species were released mostly in Gyeonggi-do, Jeollabuk-do and Chungcheongbuk-do. In the marine species group, abalone was the most abundant as (24.5%, and then sea cucumber (15.2%), olive flounder (11.5%), swimming crab (5.6%), black sea bream and rockfish (6.8%), rock bream (5.1%), black rockfish (4.6%) and scorpionfish (4.5%) were followed. Crucian carp was the most abundant as 19.4%, and then eel (17.0%), Korean bullhead (12.3%), melanian snail (12.0%), catfish (8.4%) were followed in the freshwater species group. The total number of inspection cases in this study were 1,080 and disqualification cases were 19 by detection of aquatic animals pathogens such as red sea bream iridovirus (RSIV), koi herpesvirus (KHV) or white spot syndrome virus (WSSV).
Seo, Jung Min,Yom, Jee Ho,Yoon, Woo Young,Kim, Dong Won IOP Publishing 2013 Japanese journal of applied physics Vol.52 No.10
<P>Amorphous lithium trivanadate (LVO) exhibits a higher capacity than crystalline LVO. However, products are generated from the reaction between the surface of an amorphous LVO electrode and the surrounding electrolyte during charging and discharging. The continuous reaction between the electrode surface and surrounding electrolyte was inhibited using a gel-polymer electrolyte (GPE) instead of a conventional liquid electrolyte. After 100 cycles, the GPE-based cell shows 54% of capacity retention, which was 9% higher capacity retention than that of the conventional liquid electrolyte cell. The GPE is prepared as Kynar 2801 polymer and the charge and discharge performances of the cell were measured using a standard battery cycling test at a 0.5 C-rate and 1.5-4.0 V cut off voltage. The morphologies of the electrode surfaces and the various products formed on the electrode surfaces during the reaction were analyzed using scanning electron microscopy (SEM) and energy dispersive X-ray (EDX) spectroscopy, respectively. (C) 2013 The Japan Society of Applied Physics</P>