| PP FDY装置生产中低旦PA6工业丝的技术改造 |
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| 引用本文： | 孔令根.PP FDY装置生产中低旦PA6工业丝的技术改造[J].合成纤维工业,2012,35(6). |
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| 作者姓名： | 孔令根 |
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| 作者单位： | 江苏海阳化纤有限公司,江苏泰州,225300 |
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| 摘 要： | 对丙纶全拉伸丝(FDY)设备进行改造,并优化生产工艺,生产了PA6中低旦工业丝。结果表明:通过对切片氮气保护、单体抽吸、上油、热辊外套、喷丝板等设备改造,采用相对黏度约2.8的PA6切片,控制纺丝温度(278±5)℃,侧吹风速度(0.35±0.05)m/s,侧吹风温度18℃,相对湿度90%,拉伸倍数4.4,拉伸热辊温度65～190℃,生产467 dtex/70 f PA6工业丝,生产稳定,纤维断裂强度6.72 cN/dtex,断裂伸长率21.63%,完全能够满足用户的要求。
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| 关 键 词： | 聚己内酰胺纤维 工业丝 全位伸丝 技术改造 聚丙烯纤维 |
Technological innovation of low-and medium-denier PA6 industrial yarns production on PP FDY plant |
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| Kong Linggen.Technological innovation of low-and medium-denier PA6 industrial yarns production on PP FDY plant[J].China Synthetic Fiber Industry,2012,35(6). |
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| Authors: | Kong Linggen |
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| Abstract: | Low-and medium-denier PA6 industrial yarns were produced on a PP fully-drawn yarn(FDY) plant by technological innovation and process optimization.The results showed that the PA6 industrial yarn of 467 dtex/70 f can be produced smoothly,which completely satisfied the demand of customers with the breaking strength 6.72 cN/dtex and elongation at break 21.63%,by reforming the chip nitrogen protection,monomer suction unit,oiling method,hot roller shell and spinneret under the conditions as followed: PA6 chip with the relative viscosity about 2.8,spinning temperature(278±5) ℃,cross air blow speed(0.35±0.05) m/s,temperature 18 ℃ and relative humidity 90%,draw ratio 4.4,and hot roller temperature 65-190 ℃. |
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| Keywords: | polycaprolactam fiber industrial yarn fully-drawn yarn technological innovation polypropylene fiber |
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