酚醛树脂成炭率测试的影响因素分析  

The Analysis of Influence Factors for Char Yield Test of Phenolaldehyde Resin

作　　者：刘运传[1] 魏莉萍[1] 郑会保[1] 孟祥艳[1] 周燕萍[1] 王雪蓉[1] 

机构地区：[1]中国兵器工业集团第53研究所,山东济南250031

出　　处：《测试技术学报》2010年第2期95-98,共4页Journal of Test and Measurement Technology

基　　金：国防"十一五"化学计量基金资助项目(J092008A002)

摘　　要：制备成炭率均匀性、稳定性良好的酚醛树脂粉体,选择国内6家仪器型号不同的、独立的实验室做热重分析,发现在确定加热速率、气体流量及样品量等试验条件下,取试样于800℃的成炭率为试验结果;发现6家热重分析实验室试验数据的重复性与再现性良好,并且对于影响试验结果的样品量、样品状态、加热速率、气流速率及样品吸湿等因素进行分析;发现样品吸湿是成炭率测试结果重复性与再现性的主要影响,不同实验室试验结果的差异可能主要来自样品测试前的干燥状态,研究结果为发展成炭率标准物质的定值奠定了试验基础.The phenolaldehyde resin powder was prepared with excellent homogeneity and stability of carbon yield value. The thermogravimetry analysis was carried out to determine the carbon yield of the above resin by different type of instruments in six laboratories respectively. It was found that the repeatability and reproducibility of the data from six laboratories is accordant under the same experimental conditions including heating rate and purge flow and specimen weight etc. Furthermore, five kinds of influence factors were discussed respectively in detail, the specimen dry condition before test is a major influence factor determining the repeatability and reproducibility of results. The conclusion contributes to the development of carbon yield standard materials.

关 键 词：热重分析 酚醛树脂 成炭率 重复性 再现性 

分 类 号：TQ323.1[化学工程—合成树脂塑料工业]