화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Polymer(Korea), Vol.41, No.2, 242-249, March, 2017
DOI10.7317/pk.2017.41.2.242  Export Citation
셀룰로오스 아세테이트/폴리에틸렌글리콜(PEG600)에 대한 폴리에틸렌글리콜(PEG200), 트리아세틴(TA)의 가소화 효과 및 기계적 물성
Plasticizing Effect and Mechanical Properties of Polyethylene Glycol (PEG200), Triacetin (TA) on Cellulose Acetate/Polyethylene Glycol (PEG600)
김상구, 김기홍1, 김도영1, 서관호2, †
  • 우성 케미칼
  • 1경북대학교 응용화학공학부 고분자공학
  • 2경북대학교 고분자공학
Sang Gu Kim, Gi Hong Kim1, Do Young Kim1, and Kwan Ho Seo2, †
  • R&D Center, WooSung Chemical Co., LTD, Do-dong, Yeongcheon-si, Gyeongbuk 38906, Korea
  • 1School of Applied Chemical Engineering, Major in Polymer Science and Engineering, Kyungpook National University, Daegu 41566, Korea
  • 2Department of Polymer Science and Engineering, Kyungpook National University, Daegu 41566, Korea
E-mail:
초록
본 연구에서는 셀룰로오스 아세테이트(CA)/폴리에틸렌글리콜(PEG600)의 가소화 한계를 살펴보고 폴리에틸렌글리콜(PEG200), 트리아세틴(TA)을 각각 도입하여 가소화 효과를 향상하고자 하였다. CA/PEG600/PEG200, CA/PEG600/TA는 Tg의 감소가 약 150°C에서 각각 132°C, 145°C로 가소화 효과의 향상을 확인하였다. 특히 CA/PEG600/PEG200은 CA/PEG600/TA보다 혼화성이 좋은 것을 확인하였다. CA/PEG600/PEG200은 용융 흐름성을 증가시키지만 CA/PEG600/TA는 오히려 감소시키는 것을 확인하였다. CA/PEG600/PEG200은 CA/PEG600에 비해 인장강도 및 신장률 모두 증가하지만 CA/PEG600/TA는 인장강도의 증가만을 확인하였다. 또한 이축 압출기를 통한 CA/PEG600의 가소화 영향은 기존 실험보다 상대적으로 감소하는 것을 확인하였다.
In this study, cellulose acetate (CA)/polyethylene glycol (PEG600) were investigated for the limitation of the lasticizing. Then, polyethylene glycol (PEG200) and triacetin (TA) were respectively introduced to improve the plasticizing effect. As a result, CA/PEG600/PEG200, CA/PEG600/TA confirmed an increase in the plasticizing effect by decreasing the Tg from about 150 °C to 132 °C, and 145 °C. In particular, CA/PEG600/PEG200 had better miscibility than CA/PEG600/TA. It was also found that the melt flow of CA/PEG600/PEG200 was increased but CA/PEG600/TA was decreased. CA/PEG600/PEG200 was increased both tensile strength and elongation compared to CA/PEG600, while CA/PEG600/TA indicated only an increase in tensile strength. The influences of twin-screw extruder were confirmed that plasticizing effect relatively decreased to compare the conventional experiment.
Keywords:cellulose acetate;polyethylene glycol;triacetin;plasticizing effect
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