專業(yè)英語和文獻(xiàn)檢索Unit1

專業(yè)英語和文獻(xiàn)檢索2023-2023學(xué)年第一學(xué)期個人情況葉鋒出生年月：1987.6畢業(yè)學(xué)校：浙江工業(yè)大學(xué)學(xué)歷：博士專業(yè)：高分子材料：電子郵箱：地址：自廉樓410

教育經(jīng)歷：2006.9—2023.6紹興文理學(xué)院化學(xué)化工學(xué)院學(xué)士2023.9—2023.6浙江工業(yè)大學(xué)材料科學(xué)與工程學(xué)院博士研究方向：超分子自組裝，功能高分子，高性能聚合物，塑料配方的設(shè)計及改性研究課題樹枝狀凝膠因子自組裝成納米凝膠網(wǎng)絡(luò)原位改性PMMA的研究：將具有自組裝特性的樹枝狀大分子引入到甲基丙烯酸甲酯〔MMA〕中，以此單體作為溶劑使樹枝狀大分子自主裝形成網(wǎng)絡(luò)，再在凝膠網(wǎng)絡(luò)的存在下實現(xiàn)MMA單體聚合，得到三維有機凝膠網(wǎng)絡(luò)增強的原位聚合PMMA復(fù)合材料，制得兼具高透明性與優(yōu)異力學(xué)性能的新型PMMA復(fù)合材料。研究成果研究成果已發(fā)表于SCI、EI雜志《ChemicalCommunications》、《ColloidsandSurfacesA:PhysicochemicalandEngineeringAspects》、《ColloidsandPolymerSciences》、《JournalofMacromolecularScience,PartA:PureAndAppliedChemistry》、《AnnualTechnicalConference》、《MaterialsScienceForum》等10余篇。發(fā)表的局部論文1.FengYe,SiChen,GuodongTangandXuWang,Sonicationinducedmorphologicaltransformationbetween3Dgelnetworkandglobularstructureinatwo-componentgelationsystem[J].ColloidsandSurfacesa-PhysicochemicalandEngineeringAspects,2023,452,1652.FengYe,SiChen,GuodongTang,MengMaandXuWang,Self-assemblednanofibrillargelnetworktoughenedPMMAnanocompositebyin-situthermalpolymerizationofMMAgel[J].ColloidsandSurfacesa-PhysicochemicalandEngineeringAspects(Acceptedby2023/03/19)3.FengYe,SiChen,GuodongTang,BozhenWu,MengMa,YanqinShiandXuWang,Thesynthesisoftwo-componentdendriticgelatorsandtheirself-assemblybehaviorinMMA[J].MaterialsScienceForum,2023,815:551-5564.FengYe,SiChen,GuodongTang,BozhenWu,MengMa,YanqinShiandXuWang,L-lysine-baseddendriticgelatormodifiedPMMAnanocomposite[J].MaterialsScienceForum,2023,815:539-5445.FengYe,SiChen,MengMa,BozhenWu,YanqinShiandXuWang,Thixotropicandself-healingtriggeredreversiblerheologyswitchinginaPOSS-basedorganogelwithaloofah-likegelnetwork[J].Tetrahedronletters.6.FengYe,SiChen,MengMa,BozhenWu,YanqinShiandXuWang,Morphology,toughnessmechanismandopticalpropertiesofPMMAcompositethroughembeddingcholesterol-basedgelator[J].RareMetalMaterialsandEngineering.7.SiChen,FengYe,GuodongTangandXuWang,HighToughnessandLightTransmittanceofPMMACompositePreparedviaIn-SituPolymerizationwithIncorporatingSelf-AssembledDendriticGelNetworks[J].2023,51,1738.SiChen,FengYe,GuodongTang,BozhenWu,MengMa,YanqinShiandXuWang,TheSelf-assemblyMechanismofdendriticgelatorsinmethylmethacrylate[J].AnnualTechnicalConference(Accepted).9.GuodongTang,SiChen,FengYe,MengMa,XiaopengXu,JingFangandXuWang,Loofah-likegelnetworkformedbytheselfassemblyofa3Dradiallysymmetricalorganic–inorganichybridgelator[J].ChemicalCommunications,2023,50,7180專業(yè)英語的重要性本科生畢業(yè)設(shè)計考研從事高分子專業(yè)工作等SCI、EI論文的撰寫本課程的成績總成績=平時成績〔30%〕+期中成績〔20%〕+期末成績〔50%〕平時成績=考勤+作業(yè)+課堂表現(xiàn)等Unit1:

WhatArePolymers?預(yù)習(xí)單詞10minpolymer聚合物settle沉淀commonsalt食鹽viscosity黏度macromolecule大分子polyvinylalcohol聚乙烯醇interlink把…相互連接globule小球butadiene丁二烯swell溶脹monomer單體crystal晶體synthetic合成的peculiarity特性polyethylene聚乙烯powdery粉末狀的viscous黏稠的fragment碎片dissolution溶解solvent溶劑saturation飽和dissolve溶解Unit1:

WhatArePolymers?主要內(nèi)容：4局部1.什么是聚合物〔第1段〕；2.聚合物的聚合過程〔第2段〕；3.聚合物的熱性質(zhì)〔第3段〕；4.聚合物的溶解過程〔第4段〕第一局部什么是聚合物？Whatarepolymers?Foronething,theyarecomplexandgiantmoleculesandaredifferentfromlowmolecularweightcompoundslike,say,commonsalt.Tocontrastthedifference,themolecularweightofcommonsaltisonly58.5,whilethatofapolymercanbeashighasseveralhundredthousand,evenmorethanthousandthousands.Thesebigmoleculesor‘macro-molecules’aremadeupofmuchsmallermolecules,canbeofoneormorechemicalcompounds.Toillustrate,imaginethatasetofringshasthesamesizeandismadeofthesamematerial.Whenthesethingsareinterlinked,thechainformedcanbeconsideredasrepresentingapolymerfrommoleculesofthesamecompound.Alternatively,individualringscouldbeofdifferentsizesandmaterials,andinterlinkedtorepresentapolymerfrommoleculesofdifferentcompounds.第二局部聚合物的聚合過程Thisinterlinkingofmanyunitshasgiventhepolymeritsname,polymeaning‘many’andmermeaning‘part’(inGreek).Asanexample,agaseouscompoundcalledbutadiene,withamolecularweightof54,combinesnearly4000timesandgivesapolymerknownaspolybutadiene(asyntheticrubber)withabout200000molecularweight.Thelowmolecularweightcompoundsfromwhichthepolymersformareknownasmonomers.Thepictureissimplyasfollows:butadiene+butadiene+???+butadiene--→polybutadiene(4000time)第三局部聚合物的熱性質(zhì)Onecanthusseehowasubstance(monomer)withassmallamoleculeweightas54growtobecomeagiantmolecule(polymer)of(54×4000≈)200000molecularweight.Itisessentiallythe‘giantness’ofthesizeofthepolymermoleculethatmakesitsbehaviordifferentfromthatofacommonlyknownchemicalcompoundsuchasbenzene.Solidbenzene,forinstance,meltstobecomeliquidbenzeneat5.5℃and,onfurtherheating,boilsintogaseousbenzene.Asagainstthiswell-definedbehaviorofasimplechemicalcompound,apolymerlikepolyethylenedoesnotmeltsharplyatoneparticulartemperatureintocleanliquid.Instead,itbecomesincreasinglysofterand,ultimately,turnsintoaveryviscous,tackymoltenmass.Furtherheatingofthishot,viscous,moltenpolymerdoesconvertitintovariousgasesbutitisnolongerpolyethylene.第四局部聚合物的溶解過程Anotherstrikingdifferencewithrespecttothebehaviorofapolymerandthatofalowmolecularweightcompoundconcernsthedissolutionprocess.Letustake,forexample,sodiumchlorideandadditslowlytoafixedquantityofwater.Thesalt,whichrepresentsalowmolecularweightcompound,dissolvesinwateruptoapoint(calledsaturationpoint)but,thereafter,anyfurtherquantityaddeddoesnotgointosolutionbutsettlesatthebottomandjustremainsthereassolid.Theviscosityofthesaturatedsaltsolutionisnotverymuchdifferentfromthatofwater.Butifwetakeapolymerinstead,say,polyvinylalcohol,andaddittoafixedquantityofwater,thepolymerdoesnotgointosolutionimmediately.第四局部聚合物的溶解過程Theglobulesofpolyvinylalcoholfirstabsorbwater,swellandgetdistortedinshapeandafteralongtimegointosolution.Also,wecanaddaverylargequantityofthepolymertothesamequantityofwaterwithoutthes