文章编号：1671-7872(2023)02-0139-05PA6/蛭石复合材料的制备与性能吕浩，闫鑫，韩威，陈于建，杨建明，徐曼曼，刘成，刘晨，李强龙，张贺新(安徽工业大学化学与化工学院，安徽马鞍山243032)摘要：以蛭石微粉、尼龙6为主要原料，十六烷基三甲基溴化铵为改性剂，采用阳离子交换法和插层法制备PA6/蛭石复合材料，分析蛭石在基体中的分散程度及其对复合材料力学性能的影响。结果表明：未加入改性剂的复合材料中，蛭石分散度较差且与基体的界面相容性不佳，材料表面明显可见团聚状态蛭石颗粒；加入改性剂的复合材料中，蛭石在基体中分散均匀、粒径较小，复合材料表面较平整，团聚态蛭石颗粒显著减少。未改性情况下，材料模量提升明显，最大可提高63.3%，但断裂应力与断裂伸长率在蛭石质量分数大于10%后有所下降；改性后，复合材料模量提升更明显，最大可提高154.5%，断裂应力与断裂伸长率也有显著提升。关键词：尼龙6；蛭石；阳离子交换法；插层法中图分类号：O631.5文献标志码：Adoi：10.12415/j.issn.1671−7872.22196PreparationandPropertiesofPA6/VermiculiteCompositesLYUHao,YANXin,HANWei,CHENYujian,YANGJianming,XUManman,LIUCheng,LIUChen,LIQianglong,ZHANGHexin(SchoolofChemistry&ChemicalEngineering,AnhuiUniversityofTechnology,Maanshan243032,China)Abstract：PA6/vermiculitecompositeswerepreparedbycationexchangemethodandintercalationmethodwithvermiculitepowderandnylon6asmainrawmaterialsandcetyltrimethylammoniumbromideasmodifier.Thedispersiondegreeofvermiculiteinthematrixanditsinfluenceonthemechanicalpropertiesofcompositeswereanalyzed.Theresultsshowthatinthecompositeswithoutmodifiers,thedispersionofvermiculiteispoor,andtheinterfacecompatibilitywiththematrixispoor,andtheagglomeratedvermiculiteparticlesareobviouslyvisibleonthesurfaceofthematerials.Inthecompositeaddedwithmodifiers,thevermiculiteisuniformlydispersedinthematrixwithsmallparticlesize,thecompositesurfaceisrelativelyflat,andtheagglomeratedvermiculiteparticlesaresignificantlyreduced.Withoutmodification,themodulusofthecompositesincreasessignificantly,withamaximumincreaseof63.3%,butthebreakingstressandelongationatbreakdecreaseafterthemassfractionofvermiculiteismorethan10%.Aftermodification,th...
