摘要
将聚酰亚胺(PI)与有机蒙脱土(OMMT)混合,制备了PI/OMMT粉状材料;将粉状材料与丁苯胶乳(SBR)混合,制备了颗粒状PI/OMMT/SBR复合材料.SEM照片显示,有机蒙脱土可改善聚酰亚胺与丁苯橡胶的相容性.X射线衍射(XRD)结果表明,聚酰亚胺分子链与丁苯橡胶分子链一起插入有机蒙脱土层间,使层间距变大;有机蒙脱土作为交联点存在.动态力学性能测试结果表明,在频率扫描下,加入PI/OMMT后丁苯橡胶的G′最高,但tanδ较低.
Polyimide（PI）/ organically modified-montmorillonite（OMMT） powder was prepared by blending PI and OMMT.PI/ OMMT/SBR composite was prepared by blending the powder and SBR latex.SEM analysis indicated that OMMT could promote PI and SBR compatibility.X-ray diffraction（XRD） pattern indicated that the distance between the layers of organically modified-montmorillonite（OMMT） was increased evidently by the intercalation of PI and SBR.The results of dynamic mechanical properties test on PI/OMMT/SBR indicated that the dynamic mechanical properties of SBR were promoted by PI/OMMT.
出处
《特种橡胶制品》
2010年第3期1-4,15,共5页
Special Purpose Rubber Products
基金
国家自然科学基金(10576017)
关键词
聚酰亚胺
有机蒙脱土
丁苯橡胶
插层
复合材料
polyimide
organically modified-montmorillonite
styrene butadiene rubber
intercalation
composite
