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임종철,박용완,김환철,Lim, Jong Cheol,Park, Yong Wan,Kim, Hwan Chul 한국섬유공학회 2017 한국섬유공학회지 Vol.54 No.4
The objective of this study is to reduce the gloss of thick denier PET yarn. Pure PET yarn exhibits considerable shine. Since wig fiber is thicker than clothing fiber, it is not easy to reduce the gloss. In this study, three types of inorganic particles, namely, $TiO_2$, $SiO_2$, and talc were added to the PET yarn to test the tendency of gloss reduction. Moreover, the gloss variation was tested according to the cross section of the fiber, the spinning temperature, and the draw ratio. Owing to the addition of the particles, the crystallization of PET was promoted and the crystallization of talc was exceedingly rapid. The manufactured yarn with the added $TiO_2$ was the least glossy. The gloss of the fiber decreased in the following order: star shape > circular shape > peanut shape. The spinning temperature had no effect on the gloss, however, the gloss of the fiber increased as the draw ratio increased.
임종철,강경식,Lim, Jong-chul,Kang, Kyung-sik 대한안전경영과학회 2017 대한안전경영과학회지 Vol.19 No.1
Currently, Korea is actually increasing and increasing demand for leisure such as parts for A/S of automobile parts of the car, as well as trends in borrowing and finished parts are also required a steady increase in automobile traffic daetsu. There is one car and want to be driving a car A/S parts supplier smoothly for many years and that it is often the case if it is not supplied in a timely fashion, it is a reality that many eonseong hear from customers. These symptoms can be confirmed that the logistics systems of a system of selling auto parts supplier but above all a problem for several reasons, which will be considered as areas for improvement should be done urgently. Enterprises internally cooperation automotive supplier, but the need to get out to re-examine urgently complemented by the logistics system of systems to allow better respond to complex environmental changes of our customers grow, and now also the proliferation of small ship-run screen and Darvin, there is increasing distribution and logistics services, including logistics costs as a lack of work force that the company is itgetda can be called by the reality that the chances of getting a lot of jeyakreul own growth. Given this situation, the procurement of logistics enterprises. In-house logistics. Classified as sales logistics examined the long-term improvement of logistics distribution networks based on this part to derive into the problems of logistics and parts distribution system of Korean auto parts dealer.