摘要
采用袋式法对固化后的胶粘剂中丙烯酰胺及丙烯酸酯类残留单体进行释放量测定,研究了固化时间、试验温度及加热时间对这两类物质释放量的影响。研究结果表明:适当延长固化时间,对减少胶粘剂固化后的单体残留有明显作用;袋式法中试验温度为60℃时,胶粘剂中残留单体的释放量远大于试验温度为40℃对应的释放量,表明温度对胶粘剂残留单体的释放具有较大的影响;气袋的加热时间不同会对胶粘剂中残留单体的释放量造成影响,因此应选择合适的加热时间,避免残留单体未检出或过饱和情况;通过对各类胶粘剂固化后的残留单体进行释放量和含量情况分析,可以更加充分地了解各类胶粘剂的组成成分及环保性能;数据对比结果表明,胶粘剂中丙烯酰胺及丙烯酸酯类残留单体的释放量与含量基本呈正相关。
The bag method was used to determine the release amount of residual monomers such as acrylamide and acrylate in cured adhesive.The effects of curing time,test temperature,and heating time on the release amount of these two substances were studied.The research results showed that extending the curing time appropriately had a significant effect on reducing the residual monomers of adhesive after curing.When the test temperature in the bag method was 60℃,the release amount of residual monomers in adhesive was much greater than the release amount corresponding to the test temperature of 40℃,indicating that temperature had a significant impact on the release of residual monomers in adhesive.The different heating time of the air bag could affect the release of residual monomers in adhesive.Therefore,an appropriate heating time should be selected to avoid the situation of undetected or oversaturated residual monomers.By analyzing the release amount and content of residual monomers in various adhesives after curing,it was possible to have a more comprehensive understanding of the composition and environmental performance of various adhesives.The data comparison results indicated that the release amount and content of residual monomers such as acrylamide and acrylate in adhesive were basically positively correlated.
作者
孙文慧
刘晓琴
潘敏霞
田光超
何毅华
赵志浩
张兰兰
Sun Wenhui;Liu Xiaoqin;Pan Minxia;Tian Guangchao;He Yihua;Zhao Zhihao;Zhang Lanlan(GRG Metrology&Test Group Co.,Ltd.,Guangzhou 510656,Guangdong,China)
出处
《中国胶粘剂》
CAS
2023年第10期42-47,共6页
China Adhesives
基金
广州市科学技术协会青年托举人才项目(QT20230101322)。
