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北京石油化工学院2026年研究生招生接收调剂公告
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易水临风

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Synthesis of PA6
The polyamide 6 was synthesized by ring
opening polymerization of e-caprolactam
using 6-aminocaproic acid like initiator.
20 g of e-caprolactam was placed in a three
necked flask. Then, the carbon nanotubes or
the silica particles were mixed in concentra?tion of 2 wt % with the monomer for one
hour at 100 8C, then 2 g of 6-aminocaproic
acid was added and the temperature of the
reaction system was increased until 250 8C,
and left a this temperature for 5 hours with
mechanical stirring at 300 rpm.
After the reaction was stopped, the
polymer was washed with boiling water at
least three times. Then, the materials were
dried at 120 8C over night.

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ppashine

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易水临风: 金币+5, ★★★★★最佳答案 2016-12-28 21:59:04
通过使用6-氨基己酸等引发己内酰胺的开环,聚合合成了PA6聚酰胺。20克相关物质置于烧瓶中,然后将碳纳米管或二氧化硅颗粒混合一小时,在100摄氏度的情况下,然后加入2克氨基己酸和反应体系的温度升高到250°C,并保持这个温度5小时,机械搅拌速度为300转。反应停止后,聚合物用沸水冲洗至少三次。然后,该材料在120度过夜干燥。
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