Production of micron and sub-micron size spherical wax beads using a microfluidic device with a T-junction = T형 분기를 가진 미세유체 장치를 이용한 마이크로와 서브마이크로 크기의 구형 왁스 입자 제조

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Waxes are employed in toner to improve its anti-offset characteristic at low or high temperature and fixability at a low temperature. On the other hand, the addition of waxes can lead to adverse effects also, such as blocking, intensification of anti-developing performance when exposed to high temperature within a copier, and reduced performance due to bleeding of the wax during storage for a long term. Thus, employment of wax in toner particles for printing has a room for improvement in view of energy-saving and high quality printing. Addition of monodisperse wax micro particles can enhance the toner performance by precise control of composition, which enables finer printing. This study aims the production of spherical micron sized and sub micron wax beads in a microfluidic system. T-junction microfluidic device was fabricated using standard photolithography techniques for wax droplet formation above the melting temperature of wax. Wax melt droplets were then solidified to make solid wax beads. The size of the particles could be tuned by controlling the flow conditions and temperature of the microfluidic device and sub-micron sized wax particles could be obtained.
Advisors
Kim, Do-Hyunresearcher김도현researcher
Description
한국과학기술원 : 생명화학공학과,
Publisher
한국과학기술원
Issue Date
2010
Identifier
455175/325007  / 020084168
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 생명화학공학과, 2010.08, [ viii, 102 p. ]

Keywords

beads; T-junction; Microfluidic device; micron; 마이크로; 구슬; T형 분기; 미세유체장치

URI
http://hdl.handle.net/10203/29517
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=455175&flag=dissertation
Appears in Collection
CBE-Theses_Master(석사논문)
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