Study of polycarbonate/cyclic olefin copolymer blends

• Main Authors: Chia-Hsien Chao, 趙家賢
• Other Authors: Hsin-Her Yu
• Format: Others
• Language: zh-TW
• Published: 2007
• Online Access: http://ndltd.ncl.edu.tw/handle/fn633e

碩士 === 國立虎尾科技大學 === 光電與材料科技研究所 === 95 === In this study, polycarbonate and cyclic olefin copolymer were mixed different weight radios by brabender. UV/VIS/NIR spectrometers measured PC/COC blends and found it has low optical transmission. Scanning Electron Microscope(SEM) observed PC and COC were immiscible. Water vapor transmission rate(WVTR) and specific gravity were reduced for the blending film at the COC increased. C-H group of the PC at 3039cm-1 peak shifts to lower wavenumbers direction with COC increasing. The blends surface were treated by Plasma-Enhanced Chemical Vapor Deposition. Surface function group is measured by Attenuated Total Reflectance Fourier Spectroscopy(ATR-FTIR), and then the contact angle were measured. Here we found that it will make the contact angle were lowered and the suface was became hydrophilic. The sample surface roughness was observed by Atomic Force Microscopy(AFM). We found that the surface became smoother of after oxygen plasma treating.It is really improves PC WVTR at the COC increased and oxygen plasma treated blends can have better WVTR.