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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
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
Year-end leisure vacation-Gongchangling skiing
On January 22 and 23, the company organized employees to go to Liaoyang Gongchangling Ski Resort to start a two-day one-night leisure holiday.
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We adhere to the business philosophy of hospitality with
integrity and strength management
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