基于TD-NMR的PMMA木塑复合材吸湿和吸水研究
赵万磊,赵芝弘,张明辉,刘文静

Study on Moisture Absorption and Water Absorption of PMMA Wood-plastic Composites Based on TD-NMR
ZHAO Wanlei,ZHAO Zhihong,ZHANG Minghui,LIU Wenjing
表2 吸湿120 h的未处理材和PMMA木塑复合材吸湿率和平均T2及T2峰面积
Table 2 Moisture absorption rate, average T2 and peak area of untreated wood and PMMA wood plastic composite material after 120 h
试件编号 吸湿率/% T2(1)/ms T2(2)/ms 峰面积A(1) 峰面积A(2) 总面积A(总)
PM#0 19.30 0.36 2.68 0.12 29.52 29.64
PM#6-25 13.23 0.30 2.49 0.23 24.21 24.44
PM#6-50 12.58 0.60 2.47 0.37 22.94 23.31
PM#6-100 8.74 0.20 1.96 0.37 21.37 21.74
PM#12-25 13.03 0.30 2.60 0.22 23.46 23.68
PM#12-50 9.90 - 2.21 - 22.44 22.44
PM#12-100 7.42 0.20 1.95 0.31 18.60 18.91
PM#24-25 13.53 - 2.60 - 24.58 24.58
PM#24-50 9.51 - 1.85 - 17.82 17.82
PM#24-100 6.07 - 1.82 - 17.26 17.26