| 발행년도/권호 |
2009 년 / 권호: V.21,no.4,Aug |
| 논문제목1(원어) |
폴리카르복시산 가교제를 이용한 고흡수성 PVA 필름의 제조 |
| 논문제목2(타언어) |
Preparation of Superabsorbent PVA Films with Polycarboxylic Acid Crosslinkers |
| 저자(원어) |
구광회․윤성종․장진호 |
| 저자(타언어) |
Gwang-Hoe Koo, Sung-Jong Yoon and Jinho Jang |
| 소속(원어) |
금오공과대학교 나노바이오텍스타일공학과 |
| 소속(타언어) |
Kumoh National Institute of Technology |
| 시작/끝
페이지 |
39 ~ 45 총페이지 : 7 |
| 언어(원어) |
Korean |
| 초록 |
PVA films were crosslinked with dimethylol dihydroxy ethylene urea (DMDHEU) and three polycarboxylic acids of
butanetetracarboxylic acid (BTCA), citric acid and malic acid. Different factors influencing the crosslinking treatment with BTCA
were investigated including BTCA and sodium hypophosphite (SHP) concentration, curing temperature and time. The cured films was
extracted with boiling water and gel fraction was calculated based on weight change of the PVA films. The gel fraction of PVA
films increased with increasing curing temperature and time. And the resistance to water and thermal stability of the crosslinked PVA
films improved with the BTCA crosslinking treatment. While crosslinking with citric acid gave the highest gel fraction among the
crosslinkers, crosslinking with malic acid showed the highest absorbancy in 0.9% saline solution, which was attributed to lower
crosslink density and high number-average molecular weight between crosslinks. The superabsorbent PVA films could be prepared
by adjusting the crosslinking condition of PVA with polycarboxilic acids. |
| 키워드 |
Poly(vinyl alcohol), polycarboxylic acid, gel fraction, superabsorbent, thermal stability |
| 학회지 |
|
| Reference |
http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=OSGGBT_2009_v21n4_39 |
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