| 학회 | 한국화학공학회 |
| 학술대회 | 2008년 봄 (04/23 ~ 04/25, 제주ICC) |
| 권호 | 14권 1호, p.202 |
| 발표분야 | 공정시스템 |
| 제목 | 고분자 점탄성 측정센서의 특성해석 |
| 초록 | A quartz crystal resonator is composed of a thin quartz crystal sandwiched between two metal electrodes that establish an alternating electric field across the crystal, causing vibrational motion of the crystal. The motion is characterized with the resonant frequency and admittance of the resonator, and the characteristic is sensitive to the changes of mass and physical property of an overlayer on its electrode. In polymerization, the rheological property of a reactant and product mixture continuously varies as the polymerization proceeds. The resonator has been implemented in the monitoring of a UV photopolymerization by measuring its resonant resistance. In this study the relations between the resonant characteristics of a quartz crystal resonator and the rhoeological properties of an overlayer applied on the electrode surface are developed from the mechanics of quartz movement. The elastic shear modulus and viscosity of the polyethylene overlayer are computed from the relations and experimentally obtained resonant properties. The computation results are compared with the bulk properties of polyethylene measured with a rheometer at low strain rate. |
| 저자 | 김병철, 김영한, 서용권 |
| 소속 | 동아대 |
| 키워드 | 점탄성; 고분자 측정; 특성해석 |
| 원문파일 | 초록 보기 |
