개인구독
소속 기관이 없으신 경우, 개인 정기구독을 하시면 저렴하게
논문을 무제한 열람 이용할 수 있어요.
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 지도교수
- 김준섭
- 발행연도
- 2015
- 저작권
- 조선대학교 논문은 저작권에 의해 보호받습니다.
이용수3
이 논문의 연구 히스토리 (2)
- 이 논문의 후속연구가 궁금하신가요?
- 연관 학술논문 또는 학술발표를 통해 보다 발전된 연구결과를 확인하실 수 있습니다.
- 이 논문의 연구 히스토리 확인하기
초록· 키워드
오류제보하기
In the present work, I had studied two ionomer systems; (1) blends of PMMANa and PEANa ionomers and (2) ionomers containing low MW PAANa. In the first part of the study, the relatively low Tg ionomer, PEANa ionomer, was mixed with relatively high Tg ionomer, PMMANa ionomer, and the mechanical properties of the ionomer blends were investigated. It was found that the PEANa ionomer acted as elastomer or plasticizer in the hard matrix of PMMANa ionomer, when the PMMANa was a dominant phase. On the other hand, the PMMANa behaved like glassy entities or filler particles in the rubbery matrix of PEANa ionomer, when the PEANa ionomer was a dominant phase. To interpret the mechanical properties of the ionomer blends, a number of models were applied to the data, which included Guth equation, rule of mixture, logarithmic rule of mixture, Halpin-Tsai equations for the regular system and inverted system. In the second part of the study, the roles of low MW PAANa oligomers in the PMMANa, PSMNa, and PSSNa ionomers were investigated. It was found that the phase-separated PAANa acted as filler in PSSNa ionomer. At low ion content, the PAANa increased the fraction of ion pairs that formed multiplets, and, thus, increased the modulus strongly. On the other hand, at high ion content, the PAANa acted as simply filler, and, thus, increased the ionic modulus, to some extent. In the case of PSMNa ionomer, phase-separated PAANa behaved like filler particles that acted as sites with which the ion pairs of the ionomer formed ionic aggregates. If this were the case, the ionomer would form a smaller number of multiplets than the ionomer without PAANa. Thus, the ionic modulus of the PSMNa ionomer was affected by both the less clustering and filler effect by the phase-separated PAANa. In the case of PMMANa ionomer that was known to be very weak clustered materials, the PAANa in the PMMANa ionomer acted just as filler particle. Thus, the presence of the PAANa in the ionomer did not affect the mechanical properties of the ionomer significantly.
목차
목 차List of Table captions ............................................... ⅲList of Figure captions ............................................. ⅳList of symbols and abbreviations ............................ ⅵABSTRACT .............................................................. ⅷ제 1 장 아이오노머1.1. 아이오노머에 대한 정의 ................................................. 11.2. 아이오노머의 합성법 ...................................................... 21.3. 다양한 아이오노머 ......................................................... 31.4. 아이오노머의 특징 ......................................................... 4제 2 장 PEAA/PMMA 아이오노머 블렌드의 기계적 성질2.1. 서론 .............................................................................. 72.2. 실험 ............................................................................. 92.2.1. 고분자 합성 ................................................................ 92.2.2. 적정 및 중화 ............................................................... 92.2.3. 블렌드 및 시편 제작 .................................................. 102.2.4. 동적 기계적 성질 측정 ................................................ 102.3. 결과 및 고찰 ................................................................. 112.4. 결론 .............................................................................. 24제 3 장 저분자량 폴리아크릴레이트를 첨가한 아이오노머의기계적 성질 및 형태학3.1. 서론 .................................................................................... 253.2. 실험 .................................................................................... 273.2.1. 고분자 합성 .................................................................... 273.2.2. 적정 및 중화 ................................................................... 283.2.3. 시편 제작 ....................................................................... 283.2.4. 동적 기계적 성질 측정 .................................................... 293.2.5. 형태학적 구조 분석 ......................................................... 293.3. 결과 및 고찰 ...................................................................... 293.4. 결론 .................................................................................... 46참고문헌 ..................................................................................... 48감사의 글
최근 본 자료
댓글(0)
0