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Participated in the 25th China International Plastics and Rubber Industry Exhibition
Shenyang Siwei Company will participate in the 25th China International Plastics and Rubber Industry Exhibition on May 17-20, 2011, Venue: Pazhou Complex, China Import and Export Fair, Guangzhou, China, Booth: Hall 13.2, 13.2T13, Welcome new and old customers to visit.
04
2011-04
Participating in the 25th China International Plastics and Rubber Industry Exhibition
Shenyang Siwei Company will participate in the 25th China International Plastics and Rubber Industry Exhibition from May 17th to 20th, 2011. The exhibition will be held at the Pazhou Exhibition Hall of the China Import and Export Fair Complex in Guangzhou, China. Our booth number is 13.2T13 in Hall 13.2. New and old customers are welcome to visit.
Development and Application of Reinforced and Toughened Filling Masterbatch
Withtherapiddevelopmentofpolymerscienceandtechnology,society'srequirementsforpolymermaterialsarealsoincreasing.Itisoftendifficultforasinglepolymermaterialtomeetthisrequirement,anditisnecessarytomodifythepolymermaterialbymeansofalloying,blending,andcompounding(abbreviatedasabc)inordertomaximizethecharacteristicsofeachcomponentandgiveasinglematerialGoodqualitynotavailable.Theresearchanddevelopmentofhigh-performancecompositematerialshavebecomeanimportantpartofcontemporaryhightechnologyandanimportantdevelopmenttrendofpolymermaterials.Itismovingtowardshighspecificstrength,highspecificmodulus,hightoughness,hightemperatureresistance,corrosionresistance,andresistance.Wearandotherdevelopments.Amongthem,bothtoughenedandreinforcedpolymercompositematerialshavebecomeahotspotofengineeringplasticsmodificationresearch.However,fromtheperspectiveofmaterialsscience,strengthandtoughnessaretwoparticularlyimportantbutcontradictorymechanicalpropertiesofstructuralmaterials.Theproblemofsimultaneousreinforcementandtougheningofmaterialshasalwaysbeenoneoftheimportantproblemstobesolvedinpolymermaterialsscience.. Generallyspeaking,therigidparticlesfilledintothepolymermatrixcaneffectivelyimprovethestrength,stiffnessanddimensionalstabilityofthematerial,butatthesametimeitisveryeasytocausetheincreaseofpolymerbrittleness.Tougheningthermoplasticswithelastomers,whilestiffening,reducesthestiffness,strength,andtemperatureofthematerial.Thepolymer/elastomer/fillerthree-phasecompositematerialformedbyaddingrigidparticlesandrubberatthesametimebymechanicalblendingcanbalancethecontradictionbetweentherigidityandtoughnessofthematerialwithinacertainrange,butitcannotsimultaneouslyobtainhigh-strengthandhigh-performancepolymermaterials..Therefore,sincethe1980s,newwaystomodifypolymerswithnon-elastomers(rigidparticles)havebeenproposed.FundedbytheNationalNaturalScienceFoundationofChinaKeyLaboratory,thislaboratoryfirstcarriedoutbasicandappliedbasicresearchonpolymerinelastictougheninginChina.Afteryearsofhardwork,wereplacedinorganicrubbertoughenedpolymercompositematerialswithrigidinorganicparticlesandThetougheningmechanismhasbeensystematicallystudiedindepth,andbreakthroughshavebeenmade.Intheory,itisclarifiedthatinadditiontotherequirementsontheparticlesizeandparticlesizedistributionofthefiller,thetoughenedpolymerofinorganicrigidparticlesmustproposeanewstructuralformforitsinterfacialphasestructure,thatis,ithasgoodembeddingarounduniformlydispersedrigidparticlesTheinterfaceiscombinedwithaflexibleinterfacephaseofacertainthickness,sothatwhenthematerialisdamaged,itcannotonlyinducesilverstreaks,stopcrackexpansion,butalsotriggertheshearyieldofthematrixundercertainmorphologicalandstructuralconditions,therebydissipatingalargeamountofimpactenergy.However,theabove-mentionedinterfacialphasestructureisformedduringthereactiveextrusionprocess,thematerialperformanceisunstable,theoperationcycleislong,anditisdifficulttocontrol,soitisdifficulttoputthehighrigidityandhightoughnesspolymercompositematerialdevelopedinthelaboratoryintoindustrializationIntheproductionstage,underthesupportofthenational"863"project,theideaofpreparinghigh-performancecompositematerialswithreinforcedandtoughenedmasterbatchwasputforward,andundertheguidanceofthisidea,successfullydevelopedreinforcedandtoughenedfillerforpolypropyleneMasterbatchandtougheningagentmasterbatchfornylonmodification.Thedevelopmentofreinforcedandtoughenedfillermasterbatchinvolvesalargenumberofedgedisciplines:interfacemoleculardesign,physicalandchemicalmodificationoffillerandpolymersurfaces,surfaceperformancecharacterization,synthesisofinterfacecompatibilizers,interfaceinteraction,rheologicalbehavior,fillerdispersionspeedAndthedegreeofdispersion,thecrystallizationbehaviorofthepolymer,themechanicalpropertiesofthematerial,themechanismofstrengtheningandtoughening,soitisaverycomplexandverymeaningful.Afterstudyingtherelationshipbetweenthesurfacepropertiesofinorganicparticles,themicrostructureofthedispersedphaseandthemechanicalpropertiesofthematerials,wesummarizedthefourbasicprinciplesrequiredtopreparehigh-performancepolymercompositeswithreinforcedandtoughenedfillermasterbatchandcreativelysolvedtheinorganicThekeytechnicalproblemsofuniformdispersionofparticlesandinterfacialcombinationarethroughtheuseofefficientinterfacemodifiersandtheapplicationofreactiveextrusionprocessingmethods,andtherealizationofasmallamountofrubberinsituinfiltrationandcoatingofinorganicrigidparticleshasbeensuccessfullydeveloped.Anewtypeofpolymer/inorganicparticle"shell-core"reinforcedandtoughenedfilledmasterbatchwithmonodisperseinorganicparticlesasthecoreandasmallamountofelastomerastheshell. Reinforcedandtoughenedfilledmasterbatchhasthefollowingcharacteristics: 1.Theadditionoffilledmasterbatchnotonlycansignificantlyimprovetheprocessingrheologicalpropertiesofthepolymer,butalsocanbequicklyandevenlydispersedagaininthepolymermatrix.Therefore,thecompositeprocessoffilledmasterbatchandpolymerissimplifiedfromsecondaryprocessingtoOne-timeprocessingbecomespossible. 2.Theadditionofthe
29
2011-03
Mitsui Chemicals (Shanghai) Co., Ltd. awarded Shenyang Siwei Polymer Plastic Co., Ltd.
On January 26, Mitsui Chemicals (Shanghai) Co., Ltd. awarded Shenyang Siwei Polymer Polymer Co., Ltd. the 2010 TAFMER Outstanding Agent Award, although Shenyang Siwei Co., Ltd. only officially became Mitsui Chemicals (Shanghai) Co., Ltd.’s
28
2011-01
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