高分子扩链剂对JA-2S聚氨酯声学性能的影响
摘要
为了验证邵氏硬度和拉伸强度与JA-2S聚氨酯材料纵波声速的相关性,设计了组合固化剂调节JA-2S聚氨酯声学性能,同时测定了试样的拉伸强度、密度和邵氏硬度等指标。结果表明,在0.07~0.21mol的添加范围内,相比邵氏硬度,声速随拉伸强度变化更加明显。
引文
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[2]TING R Y.A new approach to the quality analysis of transducer elastomers,underwater sound reference detachment[J].Elastomerics,1985,117(8):29-35.
[3]谭晓玲,果云,潘肇奇,等.软段对水性聚氨酯结构与性能的影响[J].功能高分子学报,2004,12(2):235-240.
[4]叶青萱.浅谈影响聚氨酯性能因素[J].化学推进剂与高分子材料,2009,7(1):13-16.
[5]陈晓东.高性能浇注型聚氨酯弹性体性能与结构形态相关关系的研究[D].华南理工大学,2010.
[6]王新威,周建,陈莹,等.不同扩链剂浇注聚氨酯弹性体的性能研究[J].聚氨酯工业,2011,26(4):40-42.
[7]STACK G M,MILLER J M,CHANG E Y.Development of seawater-resistant polyurethane elastomers for use as sonar encapsulants[J].Journal of Applied Polymer Science,1991,42:911-923.
[8]THOMPSON C M,WILLIAM II.Relationship between acoustic properties and structure of polyurethanes[J].Journal of Acoustic Society of America,1985,77(3):1229-1238.
[9]MOTT P H,ROLAND C M,CORSARO R D.Acoustic and dynamic mechanical properties of a polyurethane rubber[J].Journal of Acoustic Society of America,2002,111(4):1782-1790
[10]国家机械工业局.球墨铸铁超声声速测定方法:JB/T9219-1999[S].1999.
[11]国家质量技术监督局.硫化橡胶或热塑性橡胶拉伸应力应变性能的测定:GB/T 528-1998[S].1998.
[12]国家标准化管理委员会.硫化橡胶或热塑性橡胶压入硬度试验方法邵氏硬度计法:GB/T 531.1-2008[S].2008.
[13]MOTT P H,ROLAND C M,CORSARO R D.The effect of varying soft and hard segment length on the structure-property relationships of segmented polyurethanes based on a linear symmetric diisocyanate,1,4-butanediol and PTMO soft segments[J].Polymer,2012,53:5358-5366.