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Theoretical analysis of the melt spinning process of poly(trimethylene terephthalate) fibers
- Authors
- Oh, Tae Hwan; Nam, Young Sik; Kim, Kap An; Kim, Young Ho
- Issue Date
- Oct-2007
- Publisher
- KOREAN FIBER SOC
- Keywords
- profiles developments; PTT; numerical method; velocity development; strain rate
- Citation
- FIBERS AND POLYMERS, v.8, no.5, pp.507 - 511
- Journal Title
- FIBERS AND POLYMERS
- Volume
- 8
- Number
- 5
- Start Page
- 507
- End Page
- 511
- ISSN
- 1229-9197
- Abstract
- Profiles development of the melt spinning process of poly(trimethylene terephthalate) (PTT) was simulated by a numerical method. The spinning speed of 3 km/min to 5 km/min was analyzed and the characteristic of PTT spinning process was compared with that of poly(ethylene terephthalate) (PET). Velocity development of PTT was slower than that of PET. Although PTT's spinning temperature was lower than PET's, the PTT solidified slower because of a smaller super-cooling and the large specific heat capacity. The diameter profile of PTT decreases gradually in comparison with that of PET. PTT's strain rate has a broader distribution than PET's and its maximum ranged from 541 to 570 s(-1) for PET and 136 to 149 s(-1) for PTT. PTT's tensile stress was smaller than PET's.
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Related Researcher
- Kim, Young Ho
- Department of Organic Materials and Fiber Engineering