| 添加剂对双向拉伸尼龙薄膜性能的影响 |
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| 引用本文： | 董穆,张师军,高达利,吕芸,徐凯,刘建叶.添加剂对双向拉伸尼龙薄膜性能的影响[J].中国科学:化学,2014(11):1755-1761. |
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| 作者姓名： | 董穆 张师军 高达利 吕芸 徐凯 刘建叶 |
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| 作者单位： | 中国石油化工股份有限公司北京化工研究院; |
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| 摘 要： | 为提高双向拉伸尼龙薄膜的拉伸性能及薄膜性能,本文研究了不同成核剂、润滑剂及芳香尼龙对高黏度尼龙性能的影响.添加剂改性尼龙6后,冲击性能和断裂伸长率均有不同程度的提高,注塑样品表现为α晶型结构.尼龙6流延骤冷时形成不稳定的α晶型,经过双向拉伸后,转变为稳定的α晶型,在X射线衍射图谱中表现为较强的单峰.改性尼龙制备的双向拉伸薄膜具有较高的力学性能和较低的雾度,综合性能较好;润滑剂Incromold-T具有更好的综合效果.加入少量的半芳香尼龙MXD6,尼龙6结晶能力下降,薄膜光学性提高,但力学强度明显下降.
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| 关 键 词： | 添加剂 双向拉伸 尼龙薄膜 润滑剂 成核剂 芳香尼龙 |
The influence of additives on the properties of biaxial oriented polyamide film |
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| DONG Mu,ZHANG Shi Jun,GAO Da Li,LV Yun,XU Kai,LIU Jian Ye.The influence of additives on the properties of biaxial oriented polyamide film[J].Scientia Sinica Chimica,2014(11):1755-1761. |
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| Authors: | DONG Mu ZHANG Shi Jun GAO Da Li LV Yun XU Kai LIU Jian Ye |
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| Institution: | (Beijing Research Institute of Chemical Industry, SINOPEC, Beijing 100013, China) |
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| Abstract: | The influence of additives on the properties of high viscosity polyamide was investigated in order to improve the properties of biaxial oriented polyamide（BOPA） film. It was found that the modified polyamides have improved impact strength and higher breaking elongation. The crystal structure of injection molding samples belongs to ？-form crystal. The quenched polyamide cast sheets present unstable ？-phase. X-ray diffraction patterns of BOPA film show single peak of ？-form. BOPA samples made of modified nylon own excellent properties with high mechanical properties and low haze. Lubricant Incromold-T modified BOPA has the best combination effects. When polyamide is blended with aromatic polyamide, the haze of BOPA film greatly reduces but the tensile strength becomes weakened compared with the blank samples. |
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| Keywords: | additive biaxially oriented BOPA lubricant nucleating agent aromatic polyamide |
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