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Preliminary evaluation of new polymer matrix for sol
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2015-02-27 00:00 687阅读次数
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Preliminary evaluation of new polymer matrix for sol
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Preliminary evaluation of new polymer matrix for sol- Preliminary evaluation of new polymer matrix for sol[详细]
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2015-02-27 00:00
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- Polymer Source P13253-3HTOH说明书
- 世界ding级实验材料供应商polymersource正式授权上海起发为其ZG代理，polymersource在一直是行业的标杆,一直为广大科研客户提供Z为优质的产品和服务,上海起发一直秉承为ZG科研客户带来**的产品，**的服务，签约polymersource就是为了给广大科研客户带来更加完善的产品和服务,您的满意将是我们Zda的收获polymersourceZG代理,polymersource上海代理，polymersource北京代理，polymersource广东代理，polymersource江苏代理polymersource湖北代理,polymersource天津,polymersource黑龙江代理,polymersource内蒙古代理,polymersource吉林代理,polymersource福建代理,polymersource江苏代理,polymersource浙江代理,polymersource四川代理,polymersource成立于1994年，是一家领xian的高质量建筑控制专业级的聚合物和生物聚合物的研究产品供应商。polymersource的研究团队包括动态，主管和创新的科学家，在各种学术和研究机构提供yi流的服务。polymersource的科学家已经完成了生产3000多嵌段共聚物，产品质量得到了全世界的认可。除了提供生物/聚合物，聚合物源已经开发了基于我们的产品的合成和应用知识产权。SampleName:HydroxyendfuctionalizedPoly(3-hexylthiophene)Sample#:P13253-3HTOHSynthesisProcedure:Purificationofpolymer:Thecrudepolymerwasrecoveredfromreprecipitationintomethanol.TheinorganicsaltswereremovedbyusingaSoxhletextractorwithMethanol.Characterization:Themolecularweightandpolydispersityindex(PDI)areobtainedbysizeexclusionchromatography(SEC)inTHForChloroform.SECanalysiswasperformedonaVarianliquidchromatographequippedwithrefractiveandUVlightscatteringdetectors.ThreeSECcolumnsfromSupelco(G6000-4000-2000HXL)wereusedwithtripledetectorsfromViscotekCo.Themolecularweightiscalculatedbasedonpolystyrenestandards.TheNMRspectrumwasrecordedindeuteratedchloroformtodeterminethefunctionalityandthecompositionofcopolymer.Solubility:OHendterminatedPoly(3-hexylthiophene)issolubleinTHF,TolueneandCHCl3.Itprecipitatesfrommethanolandacetone.货号品名规格生产厂家P13253-3HTOH-1gPoly(3-hexylthiophene-2,5-diyl),α-hydroxy-terminated1GpolymersourceP13253-3HTOH-1g现货供应我们公司Zda优势是强大的采购，1：基本什么都能进口，血清，抗体，耗材，还有部分限制进口的，2：货品全，现经营过700多个品牌，基本所有生物试剂耗材都可以进口，特别是冷偏的产品那就更有优势，3：提供加急服务，一般1-2周到货，超过时限加急费全免4：价格公道，绝大部分价格有优势，当然不能保证1**%产品都是价格Zdi,因为价格Zdi意味着没有服务.5：良好的信誉，大部分客户我们提供货到付款服务，客户包括清华，北大交大复旦，中山等100多所大学，ROCHE，阿斯利康，国药，fisher等500多家公司6：我们du家代理的品牌有：AntibodyResearchCorporation，arcticzymes，Biorelevant，AmberGen,Inc.，clemente-associates，clodronateliposomes，ColumbiaBiosciences，enzymeresearch，GeneBridgesGmbH，Genovis，AmberGen,Inc.BiotechnologyGmbH，HaematologicTechnologiesHTIHaemtech，hookelabs，Immudex，InnovativeResearchofAmerica，inspiralis，ListBiologicalLaboratories,Inc.，lumafluor，Microsurfaces，multiplicom，nanotools，Pel-FreezBiologicals，pentapharm，progen，ProteinArk，QA-Bio,Inc，QA-Bio,IncQuickZymeBiosciences，Teknova，TriLinkBioTechnologies,Inc.，ZyagenLaboratories等7：我们还是invitrogen,qiagen,MidlandBioProductsCorporationam,sigma;neb,roche,merck,rnd,BD,GE,pierce,BioLegend等知名批发，欢迎合作。[详细]
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2018-09-29 10:02
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- Polymer Source P18952-BdEO说明书
- 世界ding级实验材料供应商polymersource正式授权上海起发为其ZG代理，polymersource在一直是行业的标杆,一直为广大科研客户提供Z为优质的产品和服务,上海起发一直秉承为ZG科研客户带来**的产品，**的服务，签约polymersource就是为了给广大科研客户带来更加完善的产品和服务,您的满意将是我们Zda的收获polymersourceZG代理,polymersource上海代理，polymersource北京代理，polymersource广东代理，polymersource江苏代理polymersource湖北代理,polymersource天津,polymersource黑龙江代理,polymersource内蒙古代理,polymersource吉林代理,polymersource福建代理,polymersource江苏代理,polymersource浙江代理,polymersource四川代理,polymersource成立于1994年，是一家领xian的高质量建筑控制专业级的聚合物和生物聚合物的研究产品供应商。polymersource的研究团队包括动态，主管和创新的科学家，在各种学术和研究机构提供yi流的服务。polymersource的科学家已经完成了生产3000多嵌段共聚物，产品质量得到了全世界的认可。除了提供生物/聚合物，聚合物源已经开发了基于我们的产品的合成和应用知识产权。SampleName:Poly(butadiene-b-ethyleneoxide)Sample#:P18952-BdEO(polybutadieneblockrichin1,2-addition)Structureof1,2-richmicrostructure:SynthesisProcedure:Poly(butadiene[1,4-or1,2addition]-b-ethyleneoxide)canbepreparedbythedifferentroutesasreportedintheliterature(ref:Macromolecules1996,29,6994).Thedirectsynthesisofdiblockcopolymerusinglithiumcounterioninthepresenceofphosphazenebaset-BuP4isreportedinMacromolecules1999,32(8),2783785.Thepolymerscanalsobesuccessfullysynthesizedusingthedifferentend-functionalizedpolymersasinvestigatedinourlab.Thesemethodologiesareproprietary.Characterization:OH-terminatedpolybutadienepolymerwasanalyzedbysizeexclusionchromatography(SEC)toobtainthemolecularweightandpolydispersityindex(PDI).Thefinalblockcopolymercompositionwascalculatedfrom1H-NMRspectroscopybycomparingthepeakareaofthevinylicbutadieneprotonsbetweenabout5.0-5.4ppmwiththeethyleneoxideprotonsat3.6ppm.BlockcopolymerPDIisdeterminedbySEC.Note:The1H-NMRof1,2-polybutadieneiscomposedof1protonsignalat5.4ppmand2protonsignalsat5.0ppm.Signalsduetovinylic1,4-polybutadienearealsopresentat5.4ppm.Solubility:Poly(butadiene-b-ethyleneoxide)issolubleinTHF,CHCl3,andtoluene.Thepolymerhasvariablesolubilityinhexane,methanol,ethanolandwaterdependingonitscomposition.DSCthermalanalysisofP18952-BdEO:ThermalanalysisofthesampleswascarriedoutonaTAQ100differentialscanningcalorimeterataheatingrateof10oC/min.Themidpointoftheslopechangeoftheheatflowplotofthesecondheatingscanwasconsideredastheglasstransitiontemperature(Tg).Themeltingtemperature(Tm)wastakenasthemaximumoftheendothermicpeakwhereasthecrystallizationtemperature(Tc)wasconsideredastheminimumoftheexothermicpeak.货号品名规格生产厂家P18952-BdEOPoly(butadiene(1,2addition)-b-ethyleneoxide)2gpolymersourceP18952-BdEO现货供应我们公司Zda优势是强大的采购，1：基本什么都能进口，血清，抗体，耗材，还有部分限制进口的，2：货品全，现经营过700多个品牌，基本所有生物试剂耗材都可以进口，特别是冷偏的产品那就更有优势，3：提供加急服务，一般1-2周到货，超过时限加急费全免4：价格公道，绝大部分价格有优势，当然不能保证1**%产品都是价格Zdi,因为价格Zdi意味着没有服务.5：良好的信誉，大部分客户我们提供货到付款服务，客户包括清华，北大交大复旦，中山等100多所大学，ROCHE，阿斯利康，国药，fisher等500多家公司6：我们du家代理的品牌有：AntibodyResearchCorporation，arcticzymes，Biorelevant，AmberGen,Inc.，clemente-associates，clodronateliposomes，ColumbiaBiosciences，enzymeresearch，GeneBridgesGmbH，Genovis，AmberGen,Inc.BiotechnologyGmbH，HaematologicTechnologiesHTIHaemtech，hookelabs，Immudex，InnovativeResearchofAmerica，inspiralis，ListBiologicalLaboratories,Inc.，lumafluor，Microsurfaces，multiplicom，nanotools，Pel-FreezBiologicals，pentapharm，progen，ProteinArk，QA-Bio,Inc，QA-Bio,IncQuickZymeBiosciences，Teknova，TriLinkBioTechnologies,Inc.，ZyagenLaboratories等7：我们还是invitrogen,qiagen,MidlandBioProductsCorporationam,sigma;neb,roche,merck,rnd,BD,GE,pierce,BioLegend等知名批发，欢迎合作。[详细]
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2018-09-29 10:02
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