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[1]汪艳,史玉升,黄树槐.尼龙12热稳定性研究[J].武汉工程大学学报,2008,(01):59-61.
　WANG Yan,SHI Yu sheng,HUANG Shu huai.Study on the thermal stability of nylon 12[J].Journal of Wuhan Institute of Technology,2008,(01):59-61.
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2008年01期
页码:
59-61
栏目:
材料科学与工程
出版日期:
2008-01-30

文章信息/Info

Title:
Study on the thermal stability of nylon 12
文章编号:
10044736(2008)01005903
作者:
汪艳1; 史玉升2; 黄树槐2
1.武汉工程大学材料科学与工程学院，湖北 武汉 430074；
2.华中科技大学塑性成形模拟及模具技术国家重点实验室，湖北 武汉 430074
Author(s):
WANG Yan1;  SHI Yusheng2;  HUANG Shuhuai2
1. School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430074，China；
2. State Key Laboratory of Plastic Forming Simulation and Die ＆Mould Technology, Huazhong University of
Science and Technology, Wuhan 430074,China
关键词:
尼龙12; 热稳定性; 热降解动力学; 机理
Keywords:
nylon 12; thermal stability; kinetic of thermal degradation; mechanism
分类号:
TQ 323.6
DOI:
-
文献标志码:
A
摘要:
采用热失重（TG）、质谱气相色谱（GCMS）等方法研究了尼龙12的热降解动力学和热降解机理.尼龙12在N2中的热降解活化能很高，为322.9 kJ/mol，热稳定性良好；在700 ℃高温下的裂解产物主要为环状单体十二内酰胺、环状二聚物及三聚物.探讨了尼龙12的热降解机理.
Abstract:
The kinetics and mechanism of thermal degradation of nylon 12 are investigated by thermogravimetry (TG), gaschromatography and massspectrometer (GCMS）. The results show that nylon 12 has high degradation activation energy 322.9 kJ/mol in nitrogen. It indicates nylon 12 has good thermal stability. Nylon 12 tends to produce cyclic monomeric and oligomeric lactams at 700℃. A mechanism is proposed to describe the pyrolysis of nylon 12.

参考文献/References:

1］Tontowi A E, Childs T H C. Density prediction of crystalline polymer sintered parts at various powder bed temperatures［J］. Rapid Prototyping Journal, 2001, 7(3):180184.
［2］Childs T H C, Tontowi A E. Selective laser sintering of a crystalline and a glassfilled crystalline polymer: experiments and simulations［J］. Proceedings of Institution of Mechanical Engineering, 2001, 215(11):14811495.
［3］Gill T J, Hon K K B. Experimental investigation into the selective laser sintering of silicon carbide polyamide composites［J］. Proceedings of Institution of Mechanical Engineering, 2004, 218:12491255.
［4］汪艳, 史玉升, 黄树槐. 激光烧结制备塑料功能件［J］. 中国塑料, 2004, 18(11):7173.
［5］Hirata T, Kashiwagi T, Brown J E. Thermal and oxidative degradation of poly(methylmethacrylate): weight loss［J］. Macromolecules, 1985, 18(7):14101418.

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备注/Memo

备注/Memo:
收稿日期：20060825
作者简介：汪艳(1966)，女,湖北武汉人，博士，副教授.
研究方向：高分子材料的配方设计、成型加工、复合改性以及高分子材料选择性激光烧结成形.
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