화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2020년 가을 (10/05 ~ 10/08, 부산컨벤션센터(BEXCO))
권호 45권 1호
발표분야 고분자 이론 및 시뮬레이션
제목 Single chain in mean field (SCMF) simulation of flexible and semiflexible polymers
초록 Single chain in mean field (SCMF) simulation is a recently emerging theoretical framework allowing polymer chains to move under quasi-instantaneously updated self-consistent fields. In this talk, I will explain SCMF simulation of homopolymers and block copolymers using various chain models. The results are quantitatively compared with those of discrete chain self-consistent field theory (DCSCFT). The free energy calculated by thermodynamic integration and the stress calculation enables us to find the equilibrium block copolymer morphologies with high accuracy. With these tools, we systematically show that DCSCFT serves as an intermediate step between SCMF simulation and SCFT. We adopted angle dependent bond potential to simulate semiflexible polymers using bead-spring and freely-jointed chain models. It turns out that the lamellar domain has a tendency to align perpendicular to the surfaces when the chain stiffness is high.
저자 김재업
소속 울산과학기술원
키워드 SCFT; DCSCFT; SCMF; Block Copolymers
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