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时间:2020-03-26
《植物虎杖及其提取物改性PBS的性能对比研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第44卷,第4期工程塑料应用Vol.44,No.472016年4月ENGINEERINGPLASTICSAPPLICATIONApr.2016doi:10.3969/j.issn.1001-3539.2016.04.002*植物虎杖及其提取物改性PBS的性能对比研究宋洁,张敏,许小玲,滕超男(陕西科技大学教育部轻化工助剂化学与技术重点实验室,西安710021)摘要:将天然植物虎杖粉碎,分别与可生物降解材料PBS直接共混和提取后共混,制备了PBS/虎杖复合材料。研究了PBS/虎杖粉末及PBS/虎杖提取物复合材料的结晶性能、亲疏水性、热稳定性、力学性能及抗菌性
2、能。结果表明,虎杖粉末和提取物的添加均对PBS的晶型没有影响,且能起到成核剂的作用,两者成分中均以亲水性成分为主。PBS/虎杖粉末复合材料的热性能、力学性能均优于PBS/虎杖提取物复合材料。两种天然虎杖添加物赋予了复合材料抗菌功能性,PBS/虎杖提取物复合材料抗菌效果相对较好。各种比例复合材料可根据其综合性能应用于不同场合。关键词:聚丁二酸丁二酯;植物虎杖;复合材料;性能中图分类号:TQ323.4文献标识码:A文章编号:1001-3539(2016)04-0007-04PerformanceComparisonStudyonPBSModifiedbyPol
3、ygonumCuspidatumSieb.etZuccandItsExtractsSongJie,ZhangMin,XuXiaoling,TengChaonan(KeyLaboratoryofAuxiliaryChemistryandTechnologyforChemicalIndustry,MinistryofEducation,ShanxiUniversityofScience&Technology,Xi’an710021,China)Abstract:Thenaturalplantpolygonumcuspidatumsieb.etzuccwascr
4、ushedandcompoundwithbiodegradablematerialspoly(butylenesuccinate)(PBS)directlyorafterextracted,soPBS/polygonumcuspidatumsieb.etzucccompositeswereperpared.Thecrystallinity,hydrophilicity,thermalstability,mechanicalpropertiesandantibacterialpropertiesofPBS/polygonumcuspidatumsieb.et
5、zuccpowdercompositesandPBS/polygonumcuspidatumsieb.etzuccextractscompositeswerestudied.Theresultsshowthatpolygonumcuspidatumsieb.etzuccpowderandextractsallhavenoimpactonthecrystallineofPBSandcouldplaytheroleasanucleatingagent.Thecomponentsofthepowderandextractsarebothhydrophilicba
6、sed.ThethermalstabilityandmechanicalpropertiesofPBS/polygonumcuspidatumsieb.etzuccpowdercompositesarebetterthanpolygonumcuspidatumsieb.etzuccextractscomposites.Twonaturalpolygonumcuspidatumsieb.etzuccadditivesareallgiventheantibacterialfunctionalitytothecomposites.Theantibacterial
7、abilityofPBS/polygonumcuspidatumsieb.etzuccextractscompositesisrelativelygood.Thetwokindsofcompositesinvariousratioscouldbeusedindifferentsituationsaccordingtotheiroverallperformance.Keywords:poly(butylenesuccinate);polygonumcuspidatumsieb.etzucc;composite;performance聚丁二酸丁二酯(PBS)易
8、被自然界的多种微生物在染色过程中,其药效活性成分、芳香味成分和天物
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