TPU概念及物性表和加工参数

26/09/2003VTCHongKongThermoplasticPolyurethane1TPU的概念Blockcopolymers基团共聚弹性体Elastomerblends混合型弹性体TPE(ThermoplasticElastomer)热塑性弹性体Hard-andsoftsegmentsinthesamemoleculeinformofmacromolecularsegments(存在于同一个分子中的硬相和软相构成大分子链段)•TPU(Urethane):Elastollan®•TPEE(Etherester):聚醚酯•TPES(Styrene):苯乙烯聚合物•TPEA(EtherAmide):聚醚酰胺Hard-andsoftsegmentsarehetero-geneousdistributedaselastomersandthermoplastics(硬分子和软分子的异性分布构成的混合体)•TPEV(PP+EPDM)•TPEOElastollanConcept26/09/2003VTCHongKongThermoplasticPolyurethane2TPU的概念Structurofblockcopolymere基团共聚弹性体的结构Structureofelastomerblends混合型弹性体的结构Elastomer(EPDM)软分子集团ElasticSegment分子的软段ThermoplasticSegment分子的硬段Thermoplast(PP)硬分子集团ElastollanConcept26/09/2003VTCHongKongThermoplasticPolyurethane3TPU的概念Structurofblockcopolymere基团共聚弹性体的结构Structureofelastomerblends混合型弹性体的结构Elastomer(EPDM)软分子集团ElasticSegment分子的软段ThermoplasticSegment分子的硬段Thermoplast(PP)硬分子集团TPE-U,E,ATPE-STPE-OTPE-VElastollanConcept26/09/2003VTCHongKongThermoplasticPolyurethane4TPU的概念硬度对比(Elastollan是BASFTPU的注册商标)Elastomers(弹性体)Thermoplastics(热塑性塑料)RigidPVCSoftPVCEPDMTPEEPCPPSiliconeABSELASTOLLAN®ELASTOLLANsuper-soft®ShoreD(邵氏D)4555657585203040506070809095ShoreA(邵氏A)507090110120130140150Rockwell-R(洛氏R)26/09/2003VTCHongKongThermoplasticPolyurethane5TPU的概念PropertiesTPE-STPE-OTPE-UTPE-VTPE-ETPE-AHardness(Shore)邵氏硬度20A-75D50A-75D50A-80D40A-50D35D-75D65A-72Dtensilestrength/N/mm²拉伸强度5-205-1530-605-1520-5015-35abrasionloss/mm³磨擦损耗--+-+oheataging热稳定性o/++o/+++ofuelresistance阻燃性能--+o++hydrolisisresistance耐水解性++++o+Appearance外观tr./op.opaktr./op.opakopaktr./op.各种弹性体的性能对比ElastollanConcept26/09/2003VTCHongKongThermoplasticPolyurethane6TPU的概念O=C=N-R-N=C=O+HO-R‘-OHO=C=N-R-N-CO-R‘-OH_HOdi-isocyanate异氰酸酯Diol醇Urethane脲TPU基本结构ElastollanConcept26/09/2003VTCHongKongThermoplasticPolyurethane7TPU的概念Hardsegment(Isocyanate+shortdiol)硬段(异氰酸酯+短链醇)Softsegment(isocyanate+longdiol)软段(异氰酸酯+长链醇)TPUMorphology分子形态ElastollanConcept26/09/2003VTCHongKongThermoplasticPolyurethane8TPU的概念TPUMorphology分子形态secondarystruktureofhardphase(afterX-raydiffractionanalysis)TPU硬相的次级结构ElastollanConcept26/09/2003VTCHongKongThermoplasticPolyurethane9TPU的概念ElastollanConceptTPUElastollan•1100grades(耐水解,耐微生物)(耐低温)•Cgrades(机械性能级)•Bgrades(特殊耐低温级)•Sgrades(通用级)•500grades(经济级)•600grades(透明级)•Rgrades(玻璃纤维增强级)(高模量高强度)Polyether-basedTPU聚醚型TPUPolyester-basedTPU聚酯型TPUGlassfibrereinforcedTPU(玻璃纤维增强)26/09/2003VTCHongKongThermoplasticPolyurethane10TPU的概念ElastollanConceptType种类系列名BCS60050011(聚醚型)Hardness邵氏硬度A=ShoreAD=ShoreDPelletform颗粒形状1=extruded(圆)5=diced(方粒)Lubricant润滑剂的加入量0=0.05%3=0.3%5=0.5%Additives功能添加剂U=UVstabilizedW=plasticized添加剂型号.例如:917=blackcolorconc.929=UVstabilizer950/1=lubtricantElastollan®S64D53Elastollan®1185A10Nomenclature命名法26/09/2003VTCHongKongThermoplasticPolyurethane11TPU的概念ElastollanConcept•Elastollan•全称:热塑性聚氨酯弹性体•外观:颗粒状(圆粒,方粒)透明,半透明或白色固体•硬度范围介于邵氏(SHORE)53A到80D之间•使用时可像工程塑料一样用注射,挤出的方法,加工出成品•由于结构的特性,TPU可以提供许多其它塑料材料所不具备的特殊性能PLEASEREFERENCEBEFINDTECHNICALDATASOFELASTOLLAN请参考后面的ELASTOLLAN物性表:26/09/2003VTCHongKongThermoplasticPolyurethane12UnitsDINS60AWS70AWS80AS85AS88AS90AS95AS98AS60DS64DS74DIII,EI,EII,EIIIIIShoreA5350560688185889396ShoreD5350536414855606475g/cm³534791.191.201.221.231.231.241.21.251.251.261.26N/mm²53504-S23035505555555045454540%53504-S2800850750650650600550500500450300N/mm²53504-S20.60.82236813152225N/mm²53504-S222.545691116182330N/mm²53504-S244.5889132023343840N/mm²53457-t200250410800N/mm²53515354760707595120150170200240mm³535165050403530303025252525%535172018252525252530404555%535173533353535454545505560+23ºCnobreaknobreaknobreaknobreaknobreaknobreaknobreaknobreaknobreaknobreaknobreak-30ºCnobreaknobreaknobreaknobreaknobreaknobreak66643Suitablefor:Injection-IExtrusion-EBlowmolding-BAbrasionlossCompressionsetatroomtemperatureCompressionsetat70ºCTearstrengthkJ/m²53453Notchedimpactstrength(Charpy)PhysicalPropertiesStressat100%elongationStressat300%elongationModulusofelasticity-tensiletestHardnessHardnessDensityTensilestrengthElongationatbreakStressat20%elongationElastollanTPU-SGrades-BasedonPolyester26/09/2003VTCHongKongThermoplasticPolyurethane13UnitsDINB60AWB80AB85AB90AB95AB98AB60DB64DB85A11SB90A11SB95A11SIII,EI,EI,EI,EIII,EI,EI,EShoreA535056082839196839196ShoreD535054248505761g/cm³534791.171.191.201.211.221.221.21.241.191.201.21N/mm²53504-S23550555555555555505055%53504-S2900600600550550500500450600500500N/mm²53504-S22.424781317N/mm²53504-S24.64710121619N/mm²53504-S215152022303035N/mm²53457-t140240320N/mm²53515508075901001301501808090110mm³535164030353030252525121520%53517252530353535%53517354040454550N/mm²53504-S22040404040404040354045%53504-S21000600600550500500450400+23ºCnobreaknobreaknobreaknobreaknobreaknobreaknobreaknobreaknobreaknobreaknobreak-30ºCnobreaknobreaknobreaknobreaknobreaknobreak126nobreaknobreaknobreakSuitablefor:Injection-IExtrusion-EBlowmolding-BPhysicalPropertiesHardnessHardnessDensityTensilestrengthElongationatbreakStressat20%elongationStressat100%elongationStressat300%elongationModulusofelasticity-tensiletestTearstrengthAbrasionloss53453Te