摘要
利用国产原材料,通过特殊的合成工艺将纳米蒙脱土与有机助剂分步合成、混配、复配制成纳米无机/有机复合材料,对天然胶清胶溶液进行共混复合改性,再经过中和絮凝等工序制成纳米改性胶清胶。对天然胶清胶与纳米改性胶清胶进行比较,结果表明:纳米蒙脱土在胶清胶内插层间距增大,而且分散均匀;纳米改性胶清胶的塑性保持率(PRI)有明显的提高,在10㎏8%干含量的天然胶清胶溶液中,加入10%的纳米剂溶液,以无机组分和有机组分的质量比为1∶1,加入量达到2.0㎏时,塑性保持率最大,为94.0;并且纳米改性胶清胶的灰分含量也明显增加,定伸应力和拉伸强度等性能也明显改善。
Novel nano-modifier was prepared from calcium-based Montmorillonite. Natural skim was blended with the novel nano-modifier to prepare nano-modified natural skim block. The properties of the natural skim rubber and the nano-modified natural skim block were compared. XRD and SEM results indicated the interlayer space was enlarged with uniform distribution of clay layers. The initial Wallace plasticity (Po) and plasticity retention index (PRI) of the nano-modified skim block were evidently enhanced. The PRI wa...
出处
《热带作物学报》
CSCD
2009年第2期211-214,共4页
Chinese Journal of Tropical Crops
关键词
天然胶清胶
纳米蒙脱土
纳米复合剂
预插层
natural skim block
montmorillonite
nano-modifier
pre-intercalation
