화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.20, No.8, 852-857, August, 2012
DOI10.1007/s13233-012-0124-0  Export Citation
Synthesis and Properties of Polycarbonate-co-Poly(siloxane-urethane-siloxane) Block Copolymers
Dong Wan Seo, Young Don Lim, Jae Hyoun Kim1, Ho Hyoun Jang, Young Do Kwon1, Soon Ho Lee, Dong Kyu Lee2, and Whan Gi Kim†
  • Department of Applied Chemistry, Konkuk University, Chungbuk, 380-701, Korea
  • 1Engineering Plastic Research/Advanced Materials, Samyang R&D Center, Daejeon, 301-717, Korea
  • 2Department of Engineering Chemistry, Chungbuk National University, Chungbuk, 361-783, Korea
E-mail:
Polycarbonate-co-poly(siloxane-urethane-siloxane) block copolymers (SiUrPC) were synthesized from siloxane-urethane monomer and polycarbonate (PC) oligomer, and their properties were compared with those of linear Bisphenol A PC (BPA-PC) and siloxane PC (SiPC). The synthesized polymers were characterized by 1H NMR spectroscopy, differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), and gel permeation chromatography (GPC). The contact angle of the sessile water drop onto the polymer films was also measured. The thermal and mechanical properties of SiUrPC differed from those of BPA-PC and SiPC. SiUrPC exhibited superior flow properties and lower wettability than BPA-PC.
Keywords:polycarbonate;silicone polycarbonate;siloxane;urethane;superior flow.
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