胶粘剂在常温下达到完全固化后,分子间反应基本停止,.此时将涂层加热并保持恒温一段时间,分子反应还会继续,密度不断增加,这一过程称作后固化. 并可有效地消除内应力,提高胶接强度,提高胶粘剂三分之一的综合性能。对于胶接性能要求高的情况或具有可能的条件时,都要进行后固化。
vt. postcure
misc. post curing
) 后固化(Post Curing): 为使FUCHEM高性能树脂获得最佳的耐热性和耐腐蚀性,如接触食品、强腐蚀性环境的FRP,后固化是十分必要的。
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The results of inverted phase contrast microscope indicated that the polysulfone-modified epoxies with short reaction time had relative higher elongation, resilience and stress relaxation and the self-healing effect of postcure sample were also desirable.
2、扫描电子显微镜(SEM)和倒置相差显微镜照片清楚的显示其双连续相相结构的演变过程。 3、固化时间较短的聚砜/环氧体系伸长率较高,回弹及应力松弛性能较好,后固化样品的自修复性能较理想。
参考来源 - 双连续相结构聚合物的制备及其结构控制研究·2,447,543篇论文数据,部分数据来源于NoteExpress
针对过硫化现象做了后固化测试。
The post cure test was carried out to overcome the overcure.
选择性激光烧结覆膜砂芯的成形过程分烧结和后固化两步。
The forming process of selective laser sintered resin coated sand cores includes two steps which are selective laser sintering and post-curing.
加入柔性环氧树脂QS 310n后固化反应速度有所降低,粘结性能亦有提高。
Addition of flexible epoxy resin QS-310N reduced the curing rate and adhesion could also be improved.
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