Synthesis of nano-scale acrylic type of core-shell rubber tougheners with varied particle size and shell chemical composition and their phase characteristics in styrene/unsaturated polyester/additive ternary systems

• Main Authors: Ming-Chou Tsai, 蔡明洲
• Other Authors: Yan-Jyi Huang
• Format: Others
• Language: zh-TW
• Published: 2006
• Online Access: http://ndltd.ncl.edu.tw/handle/q343pk

碩士 === 國立臺灣科技大學 === 化學工程系 === 94 === Nano-scale acrylic type of core-shell rubbers (CSR), with varied particle size and shell chemical composition, as tougheners for unsaturated polyester resins (UP) have been synthesized by emulsion polymerizations, and styrene (ST)/UP/CSR ternary systems with different miscibility have been designed. By using Debye’s equation and the group contribution method, the dipole moments of UP and the shell component of the CSR can be calculated, which can then explain the phase characteristics of the ST/UP/CSR ternary system prior to the reaction at 25℃ and 110℃. Also, the compatibility of the ST/UP/CSR ternary system during the cure at 110℃ has been investigated by the cured sample morphology as observed by scanning electron microscopy (SEM).