| 학회 |
한국고분자학회 |
| 학술대회 |
2014년 가을 (10/06 ~ 10/08, 제주 ICC) |
| 권호 |
39권 2호 |
| 발표분야 |
고분자구조 및 물성 |
| 제목 |
Rheological Characterization of Stress-Induced Structural Formation of Linter Based Cellulose/NMMO•H2O Solution |
| 초록 |
Linter-based cellulose solution was made by melting the linter-based cellulose that the weight average degree of polymerization was about 1,600 in N-methylmorpholine-N-oxide (NMMO) with propyl gallate (PG). The stress dependent gelation behavior of linter based cellulose/NMMO•H2O solution with PG was studied with variation of temperature. Time and frequency sweep experiments were carried out in order to study the stress-dependent gelation behavior. All of the linter based cellulose/NMMO•H2O solution with PG showed stress-dependent rheological behaviors, particularly with shear rate of 10 rad/s. Test results also indicated that stress-induced gelation was affected by the temperature. Viscosity increase through the stress history indicated the promotion of gel structure with increasing temperature from 110 oC to 115 oC. |
| 저자 |
이은정, 정대언, 김병철
|
| 소속 |
한양대 |
| 키워드 |
Cellulose; NMMO; PG; Stress-induced gelation
|
| E-Mail |
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