简介：不久前，微软发布了一个代号为“Acrylic”的创新图形设计软件。“Acrylic”直译为“丙烯酸的”，让人很容易联想到那些用丙烯酸树脂完成的图画。不过，与传统的作画不同，Acrylic可广泛应用于印刷、网络、视频、交互多媒体等行业的设计师。

简介：ThecopolymerswereformedbythegraftcopolymerizationofPVCwithacrylicrareearth.TheprincipleandmethodofthegraftcopolymerizationofPVCandacrylicrareearthwerediscussed.ThegraftcopolymerswerecharacterizedbyFT-IRspectraandscanningelectronmicroscope(SEM).Thethermalstabilityofthegraft-copolymerswasstudiedbythermogravimetricanalysis(TG).Theexperimentresultsshowthatthethermalresistanceandtoughnessofthegraftcopolymersareobviouslyenhanced.

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简介：Aseriesofacrylic-basedsuperabsorbentresinsweresynthesizedbyinversesuspensionpolymerization,usingpotassiumpersulfateastheinitiator,N,N′-methylenebisacrylamide(BIS)anddivinylbenzene(DVB)asthemultiplecrosslinkingagents.ThemorphologyoftheresultingsuperabsorbentresinsrevealedbySEMdemonstratedthatahardshelllayerwasindeedformedduetosurfacecrosslinking.Theswellinganddeswellingproperties,andthemechanicalstrengthofsuperabsorbentswereinvestigated.TheresultsindicatedthattheaddingtimeofDVBandtheamountofDVBparticipatedinthecrosslinkingshowasignificantinfluenceonthepropertiesofsuperabsorbents.WhenDVBwasaddedinpolymerizationlater,theamountofDVBparticipatedinreactiondecreasesandthesurfacecrosslinkedshellbecomesthinner.ItissuitableforDVBtobeintroducedinthelaterstageofthepolymerizationprocess,becausetheabsorptionrateofresinisefficientlyimprovedinconjunctionwithhigherwaterabsorption.Furthermore,itwasfoundthatthemechanicalstrengthofswollensuperabsorbentwithsurfacecrosslinkingwasindeedenhancedincomparisonwiththatoftheconventionalone.

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