加成型硅橡胶与铂金催化剂.ppt

加成型硅橡胶与铂金催化剂AdditivetypesiliconeandPlatinumcatalysts,上海贺利氏工业技术材料有限公司HeraeusMaterialTechnologyShanghaiLtd,Page2,一、加成型硅橡胶的优点Advantagesofadditivetypesilicone,加成型硅橡胶是近年来有机硅材料里发展最活跃的产品系列，与其它系列硅橡胶相比其具有如下优点：硫化过程不产生副产物、收缩率小、能深层硫化，对接触的材料无腐蚀，生产过程安全环保；成型周期短，自动化程度高便于操作，且成品具有高透明、高稳定的特性以及良好的机械性能。Additivetypesiliconeisthemostpopularanddevelopedproductofsiliconematerialsinrecentyears,itsadvantagescomparedwithotherseriessiliconerubberare:curingprocesswithoutby-products,lessshrinkagerate,deepvulcanization,non-corrosiononmaterials,safetyandenvironmentalfriendlyinproduction;shortcuretimeandeasyoperation.Therubbersofferhighopticaltransparencyandexcellentphysicalstabilityandgoodmechanicalproperties.,Page3,二、加成型硅橡胶应用领域Additivetypesiliconeapplicationareas,汽车行业:车厢密封，减震器件，套管，扬声器盖，波纹管，插头密封，火花塞护罩，风道封头，门锁隔膜，O形圈，垫圈，粘合热塑性塑料Automotiveindustry:compartmentseals,shockabsorbers,casing,speakerscover,bellows,plugseal,sparkplugguard,venthead,doorlockdivide,O-rings,gaskets,bondingthermoplastics.电子电器行业:LED等灯具密封，线端封头，插槽连接，高压及热粘接绝缘材料，电子器件灌封，开关隔膜，表盘密封，阳极高压套的绝缘和保护Electronicsindustry:LEDlampseal,lineheadsealing,socketconnection,highvoltageandthermalbondinginsulationmaterials,electronicdevicesfillingandsealing,dampener,switchmembrane,instrumentpanelsealing,anodevoltagesetarrester.,Page4,家电行业:计算机、手机以及遥控器按键胶，玻璃纤维涂覆管，电缆电线套管，增强绝缘管，电器垫圈、垫脚、隔膜，电话震动膜，压敏胶带Domesticelectronicindustry:buttoncushionforcomputers,mobilesandremotecontroller,glassfibercoating,cablesandwiressleeve,insulatedpipesreinforcement,electricalwashers,feetanddiaphragm,telephonemembrane,pressuresensitiveadhesivetape.医用材料行业:医疗器械密封，牙印材料，各类导管，器械垫，内窥镜，袖口保护套管，鼻梁夹钳，呼吸器阀门，呼吸面具，人工器官Medicalmaterialsindustry:medicaldevicessealmaterials,dentalcastingmaterial,catheters,instrumentalcushions,endoscopicdevices,cuffsreel,noseclamp,respiratorvalves,respiratorymasks,artificialorganmaterial.,Page5,纺织品行业:商标，传送带用纤维织物涂覆，帐篷顶棚，电子电力绝缘袖，防热外套，安全气袋涂覆，印刷油墨、影印机辊Textileindustry:trademarks,fabric-coatedconveyorbelt,tentroof,electricitysafetygloves,thermal-proofjacket,safetyairbagscoating,printingink,photocopyingmachinesroll日用品行业:奶瓶瓶嘴，运动鞋垫，玩具，食品成型模具，牛奶导管，游泳护目镜，潜水面具，游泳帽，淋浴器喷头，美术工艺品Commodityindustry:nursingbottlenipple,sportinsoles,toys,foodshapingmould,milkducts,swimminggoggles,divingmasks,swimmingcap,showerheads,artsandcrafts.,Page6,三、为什么选用铂金作为催化剂？Whyplatinum?,第八族过渡金属一直因为其特殊的催化性能而备受关注。一百多年前，学者们首次获得的金属-烯烃络合物就是零价铂与乙烯的化合物，即著名的蔡司盐；其后才获得其它第八族过渡金属与各种烯烃的络合物，比如二茂铁等。但从结构上来说，处在第六周期的铂原子半径比较大，电子层数较多，其内层f层满电子结构使其不论是能级还是半径都与烯烃双键接近，从而使其更适合在硅胶领域产生催化效果，从实际效果上来看亦是如此，学者们研究过其他第八族过渡金属，提出用镍、钴和铑来尝试，但是其反应效率、引发温度以及适用性都不如金属铂，因此铂在有机硅加成中得以广泛应用。,Page7,Theeighthfamilytransitionmetalshavebeenwell-knownbyitsspecialcatalyticproperties,andtheyarewidelyusedinsiliconeindustryforolefinaddition.Ahundredyearsago,metal-alkenecomplexwasfirstobtained;thiscomplexiscomposedwithzero-valentPlatinumandethene,whichisthefamousZeisssalt;lateronavarietyofcomplexeswereobtainedoftheeighthfamilytransitionmetalandalkens,suchasFerrocene,etc.Structurally,Platinuminthesixthperiodshaslargeratomicradius,moree-layers,andinnerf-layerfulfilled,thisstructuremakeitbothenergylevelandradiusarecompatibletoalkenedoublebondsthusmakeitmoresuitableforcatalyticapplication.Practicallyothereighthfamilytransitionmetalssuchasnickel,CobaltandRhodiumhadbeentriedforsiliconeadditioncatalysts,whileitwasfoundtheperformanceofthesecatalystswerenotasgoodasPlatinumcatalystonreactionefficiency,initiativetemperatureandapplicability.SoPtcatalystshavebeenmostpopularinsiliconeindustry.,Page8,四、用于国内市场的铂金催化剂Theplatinumcatalystinlocalmarket,氯铂酸Dihydrogenhexachloroplatinate(IV)hydrate铂（0）-二乙烯基四甲基二硅氧烷复合物（1）Karstedt催化剂铂含量0.3-18%(即3000-180000ppm)Platinum(0)divinyltetramethyldisiloxanedomplx(1)KarstedtConcentratePt2(C8H18OSi2)3,Page9,五、贺利氏集图概述,成立于1851年，是一家100%的家族企业总部位于德国哈瑙（近法兰克福）2009年销售额：162亿欧元2009年员工人数12340世界500强企业之一是贵金属技术方面的领先者最大的工业贵金属贸易商之一,Page10,GroupProfile,Establishedin1851,100%family-ownedbusinessHeadquarteredinHanau(nearFrankfurt),Germany2009Sales:16.2bnEuro,2009:12340EmployeesOneofWorldsTop500CompaniesLeaderinPreciousMetalTechnologyOneofthebiggestindustrialPMtrader,Page11,六、贺利氏是贵金属产品的技术领先者。贺利氏提供的性能优良的铂金催化剂，使其有机硅客户的最终产品更具竞争力,贺利氏从事贵金属产品将近160年的经验，其生产技术和产品质量处于行业领先地位；精准的贵金属含量分析能力充分保障客户的利益；价态及产品杂质控制确保催化剂的高活性和稳定性；在德国哈瑙、美国加州和中国上海建立多个铂催化剂生产基地，能为全球有机硅客户就近供应产品；贺利氏铂金催化剂拥有极高的市场占有率，已成为大多数硅橡胶厂家的供应商；贺利氏香港、法兰克福、纽约以及上海四个贵金属采购中心能为全球客户提供24小时不间断服务，为客户提供最优价格。,Page12,Heraeusisthetechnicalleaderinmakingpreciousmetalproducts.Ourhighperformanceproductsmakeourcustomersinsiliconeindustrymorecompetitive,Withnearly160yearsofexperienceinpreciousmetalproducts,Heraeusisthetechnicalleaderintheindustry;Abilityofhighaccuracyandprecisionofthepreciousmetalanalysissecuresourcustomer;Valenceandimpuritiescontrolinprocessensurethecatalystofhighactivityandstability;PlatinumcatalystsproductionbaseshavebeenfoundedinHanauGerman,Ca.USAandShanghaiChinawhichenablesustosupplyproductstosiliconecustomerslocally;Heraeushavebecomeplatinumcatalystssupplierformostsiliconerubbermanufacturers,owningaveryhighmarketshare;Heraeusprovide24hourspreciousmetaltradingservicegloballybyPMTradingCenterlocatedinHongKong,Frankfurt,NewYorkandShanghaiwithcompetitiveprices.,Page13,七、近年铂金的价格TheHistoricPlatinumPrices(US$),Page14,八、铂金价格由什么决定HowPtPricesAreSet?受需求与供给基本因素决定，同时还与远期合约价格息息相关Thepricesaresetbybothdemand/supplyandForwardpriceI铂族金属生产、贸易以及加工的全球分布PlatinumGroupMetalsproducers,tradingandfabricators,主要的铂金实物贸易及加工中心Mostimportantphysicaltradingcenters/fabricators主要的铂金期货交易市场Mostimportantexchangesfinancialcentersforplatinummetals主要铂金生产国Mostimportantproducercountries,Page15,II铂金需求PtDemand,Page16,III铂金供应PtSupply,Page17,IV、铂金的远期合约价格,铂金的远期合约价格主要是由铂金的现货市场价格,铂金的远期率和合约到期日来决定，而非源自于对未来市场的预测判断，这与普通金属或能源的期货价格是有很大差别的。在期货市场上（东京商品交易所，纽约商品交易所）的价格变动会即时在铂金实物市场上以同样趋势显示出来。ForwardpriceofPtForwardpricesarebasedoninterestratedifferentials(andnotmarketassumptions).Thatsamajordifferencebetweenthebasemetalandenergymarkets.Pricechangesonfuturesexchanges(TOCOMinTokyoandCOMEX/NYMEXinNewYork)areimmediatelyreflectedbysimilarmovesinthenon-exchange“over-the-counter”(OTC)market.,Page18,V、影响价格的市场参与者工业终端用户，矿山，精炼厂，银行，ETF，个体投资人，各国中央银行Activeplayers:industrialend-users,mines,refineries,banks,ETFs,privateinvestors.Centralbank