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时间:2020-03-27
《聚芳亚胺酰胺缩聚工艺条件探索.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、2015年3月化学研究141第26卷第2期CHEMICALRESEARCHhttp://hxya.cbpt.cnki.netResearchonp0lyc0ndensati0nprocessofpoly(aryliminoamide)sJIAOYa,ZHANGLinh。LINRunxiong(1.ResearchCenterofLaserFusion,ChinaAcademyofEngineeringPhysics,Mianyang621900,Sichuan,Chi口2.EngineeringResearchC
2、enterofHighPerformancePolymerandMoldingTechnologyofMinistryofEducationQingdaoUniversityofScienceandTechnology,Qingdao266042,Shandong,China)Abstract:Poly(ary1iminoamide)s(PAIs)canbeconsideredasnovelhighperformancepolv—mers.Theeffectsofprocessconditions,suchass
3、peciesofhalogenmonomers,solvents。con—centrationofthemonomer,reactiontemperatures,thequantityandspeciesofcatalyticsys—tern,onPAIs’relativemolecularweightandtheirdistribution。wereinvestigatedinthispa—per,andtheoptimumconditionsforobtainingPAIswithhighrelativemo
4、lecularweightbypal—ladium—catalyzedC—Ncross—couplingpolycondensationreactionwerealsoinnestigated.Itpro—videsatheoreticalfoundationforfurthermodificationandapplicationofthesepolymers.Keywords:poly(aryliminoamide)s;relativemolecularweight;palladium—catalyzedCLC
5、number:O633.4Documentcode:AArticleID:1008—1011(2015)02~0141—07聚芳亚胺酰胺缩聚工艺条件探索焦娅,张林,林润雄。(1.中国工程物理研究院激光聚变研究中心,四川绵阳621900;2.青岛科技大学高性能聚合物及成型技术教育部工程技术研究中心,山东青岛266042)摘要:聚芳亚胺酰胺(PAIs)是一种新型高性能聚合物.本文作者讨论了卤素单体种类、溶剂、单体浓度、反应温度、催化体系及其添加量等工艺条件对PAls相对分子质量和相对分子质量分布的影响,得到了钯催化C
6、—N偶联缩聚反应制备高相对分子质量PAls的最佳条件,为该类聚合物的进一步拓展和应用提供了参考.关键词:聚芳亚胺酰胺;相对分子质量;钯催化Polyaramide(PARA),consistingofamidemakeithardtodissolveincommonorganicsol—groupsandaromaticrings,isasignificanthighvents.Itssofteningandmeltingtemperatureareperformancepolymermateria1.Therig
7、idityframe~extremelyhigh,whichmakeitverydifficulttobeworkandintensiveintermolecularhydrogen—bondprocessed[一.Wehavesynthesizedtwonovelinteractionofthepolymermakeitpossesssuperiorheat—resistantpolymers—poly(arylimino—amide)sthermalstabilityandmechanicalproperty
8、[卜.Atviapalladium——catalyzedC·。Ncrosscouplingreactionthesametime,thestructura1featuresofPARAofP—pheny1enediamine,4,4r_diaminodiphenyletherand1,4-bis一(4bromobenzoy1)benzene.Theintro—Reeeiv
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