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改性双氰胺研究进展
南巡,周宇,凌辉,蒋文革
航天材料及工艺研究所,北京 100076
摘要:
针对双氰胺固化温度较高、在环氧树脂中分散不均等缺点,综述了物理和化学改性方法对双氰胺固化反应活性和储存性能的影响,结合双氰胺的固化机理,分析了双氰胺的改性原理,展望了其未来的发展方向。
关键词:  双氰胺  环氧树脂  化学改性  物理改性
DOI:10.12044/j.issn.1007-2330.2019.02.002
分类号:TP33
基金项目:航天材料及工艺研究所所创新基金 900703800803000115917001 航天材料及工艺研究所所创新基金(900703800803000115917001)
A Review of Modified Dicyandiamide
Xun NAN,Yu ZHOU,Hui LING,Wenge JIANG
Aerospace Research Institute of Material & Processing Teachnology,Beijing 100076
Abstract:
In order to overcome the disadvantages of dicyandiamide, such as high curing temperature, poor dispersion in epoxy resin and so on, the effects of chemical and physical modification methods on the curing activity and storage performance of dicyandiamide are reviewed. The curing mechanism of dicyandiamide, chemical and physical modification methods are summarized in this paper. The future development of dicyandiamide is also prospected.
Key words:  Dicyandiamide  Epoxy resin  Chemical and physical modification