신소재공학과

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2014년 6월 12일 (목) 개최되는 특별 세미나를 아래와 같이 안내해드립니다.


= 아 래 =


1. 일 시 : 2014. 6. 12 (목), 16:30 ~
2. 장 소 : 신소재공학과 2417호 강의실
3. 연 사 : 정호용 교수 (Florida State University 부임예정)
4. 제 목 : Chemistry and Applications of Biologically-Inspired and Bio-Derived Polymers
5. 발표내용요약(Abstract)

  Polymer science and materials science are inseparable fields. It is amazing to look at the recent advances in polymer science being used for various materials applications, however, there are still many remaining aspects to be learned from nature for advanced polymer applications. Among many recent bioinspired materials, bio-adhesives are gaining extensive interest in the bio-polymer community. One example is the polymers used by marine organisms such as mussels. The key feature of mussels-inspired adhesives is strong adhesion in water. The wet adhesion properties are derived from a special amino acid, 3,4-dihydroxylphenylalanine (DOPA). This DOPA moiety was thus integrated into various artificial polymers as a way to overcome the limitations of current artificial adhesives, namely their poor wet adhesion properties. The strong wet adhesion can be applied to biomedical adhesives because the human body is composed of 60% water. A new pressure sensitive adhesive was also developed from DOPA containing polymers that was combined with microfibrillar structures inspired from Gecko’s feet. The new pressure sensitive adhesive showed excellent repeatable dry/wet adhesion. The DOPA containing adhesive’s chemical structure-property relation, viscoelasticity, coating technique and aging have been extensively studied to enhance the material’s adhesion properties. Lignin is the second most abundant biopolymer derived from plants, and it is a major byproduct from pulp and paper production. However, lignin’s utility is limited because of its complex chemical structure, low reactivity, poor processability and variability depending on source and extraction method. Therefore, new methods of lignin modification are required to use lignin productively for commodity materials. A Lewis-acid-catalyzed modification was developed to copolymerize the lignin with petroleum-derived polymers. Many state of the art methods, such as controlled radical polymerization and click chemistry, were successfully performed to integrate lignin and the synthetic polymers. The prepared lignin-based polymers showed enhanced mechanical properties in many aspects and can be a promising renewable and sustainable biomaterials.


List of Articles
No. Category Subject Author Date Views
Notice Regular 10/2 (Tue) 김도환 교수 (한양대학교) ADMINI 2018.10.01 30
Notice Regular 9/18 (Tue) 강성준 교수 (Kyung Hee Univ.) ADMINI 2018.09.17 34
Notice Regular 9/11 (Tue) 이병두 박사 (Argonne National Laboratory) ADMINI 2018.09.07 62
Notice Regular 9/4 (Tue) 강기범 교수 (신소재공학과, KAIST) ADMINI 2018.09.03 68
Notice Regular 8/28 (Tue) 김경민 교수 (KAIST, 신소재공학과) ADMINI 2018.08.29 63
Notice Special 8/24 (Fri) Prof. Joel W. Ager III (UC Berkeley, Lawrence Berkeley National Laboratory) file ADMINI 2018.08.20 60
140 Regular 3/24(화) 김성웅교수 (성균관대학교 에너지과학과) TeamLeader 2015.03.18 1739
139 Regular 3/17(화) 안성태 교수 (KAIST 기업가정신진흥원) TeamLeader 2015.03.12 1821
138 Regular 3/10(화) 김준경 분원장 (KIST 전북분원 복합소재기술연구소) TeamLeader 2015.03.06 1504
137 3/4 (수) 한봉태 박사 (University of Maryland) file ADMINI 2015.03.04 1202
136 Regular 2015 가을학기 정기세미나 일정 file TeamLeader 2015.03.04 6836
135 Special 3/3 (수) 조은애 교수 (PEM Fuel Cells for Sustainable Transportation) file admin 2015.03.02 1613
134 Special 12/17 (수) Dr. Ron Jansen (AIST, Tsukuba, Japan) Administrator 2014.12.17 1756
133 Special 12/16 (화) 노 준 홍 박사 (광에너지융합소재연구센터, 한국화학연구원) Administrator 2014.12.17 1777
132 Special 11/28 (금) 오태식 박사 (University of Pennsylvania) Administrator 2014.11.26 2098
131 Special 11/14 (금) Dr. Amanda K. Petford-Long (Argonne National Laboratory) file Administrator 2014.11.04 2047
130 Regular 2014 가을학기 정기세미나 일정 Administrator 2014.08.28 4489
129 Special 8/25 (월) 김 현 석 교수(충남대학교 재료공학과) Administrator 2014.08.26 2539
128 Special 8/21 (목) Prof. Frans Spaepen (Harvard University, School of Engineering and Applied Sciences) Administrator 2014.08.14 2137
127 Special 7/21 (월) Jamie Warner (University of Oxford) Administrator 2014.07.16 2596
» Special 6/12 (목) 정호용 교수 (Florida State University 부임예정) Administrator 2014.06.09 2830
125 Regular 6/10 (화) 강성모 총장님 (KAIST) Administrator 2014.06.09 2109
124 Regular 6/3 (화) Prof. Alfredo Alexander-Katz (Dept. of MSE, MIT) Administrator 2014.06.03 3081
123 Regular 5/20 (화) 윤석진 박사 (한국과학기술연구원, 연구기획조정본부장) Administrator 2014.05.14 2746
122 Special 5/14 (수) 김윤섭 (Univ. of Michigan, Ph.D. candidate) Administrator 2014.05.14 2571
121 Special 4/30 (수) 김지환 박사 (IBM T.J. Watson Research Center) Administrator 2014.05.01 3070
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