| Study on die-swell behavior of meta-aramid solutions during dry-wet spinning process |
| 關(guān)鍵詞： |
PMIA die-swell dry jet wet-spinning extrusion temperature extrusion pressure |
| 類 別： |
纖維 >> 合成纖維 |
| 來 源： |
ICAFPM 2011 |
| 資料類型： |
pdf文件 |
| 資料大小： |
1151K |
| 簡(jiǎn) 介： |
The die-swell ratio for meta-aramid (PMIA) solutions was measured by gravimetric method. The effects of extrusion conditions on die-swell behavior of the PMIA solutions were studied with respect to the temperature of solutions, the extrusion pressure and the length/diameter ratio (L/D) of the die. The results showed that die-swell ratio (B) of PMIA solutions increased with rising of extrusion pressure from 0.2MPa and 0.6MPa, while it decreased with the rising of temperature from 40℃ to 60℃. When pressure and temperature were constant, die-swell ratio would decline with the L/D ratio increasing from 1 to 9. |
| 上傳人： |
epce |
| 上傳時(shí)間： |
2011-10-11 12:57:56 |
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1 |
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