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ASTM D4663-2010 聚亚胺酯原材料法测定异氰酸酯中可水解氯含量的标准试验方法

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【英文标准名称】:StandardTestMethodforPolyurethaneRawMaterialsDeterminationofHydrolyzableChlorineofIsocyanates
【原文标准名称】:聚亚胺酯原材料法测定异氰酸酯中可水解氯含量的标准试验方法
【标准号】:ASTMD4663-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D20.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aromaticisocyanates;hydrolyzablechlorine;isocyanates;polyurethanerawmaterials;titration;toluenediisocyanate;Carbamoylchloride;Carbondioxide;Chlorinecontent--plastics;Hydrochloricacid(HCL);Hydrolyzablechlorine;Isocyanates;Methan
【摘要】:Thistestmethodcanbeusedforresearchorforqualitycontroltocharacterizetoluenediisocyanates.Hydrolyzablechlorinecorrelateswithperformanceinsomepolyurethanesystems.1.1Thistestmethoddeterminesthehydrolyzablechlorinecontentoftoluene-2,4-diisocyanate,toluene-2,6-diisocyanate,ormixturesofthetwo.Itisacceptabletoapplythistestmethodtootherisocyanatesofsuitablesolubility.(SeeNote1.)Themainsourcesofhydrolyzablechlorineintheisocyanatesarecarbamoylchlorideanddissolvedphosgene.Bothofthesecompoundsreactwithalcoholsandwater,formingureas,carbamates,carbondioxide,andhydrochloricacid.(SeeNote2.)1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;Itispossiblethatthistestmethodisapplicablecrudepolymericisocyanates.However,theprecisionwithcrudepolymericisocyanateshasnotbeenestablished.Note28212;ThereisnoknownISOequivalenttothisstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_080_10
【页数】:3P.;A4
【正文语种】:英语


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【英文标准名称】:Fineceramics(advancedceramics,advancedtechnicalceramics)—Testmethodforair-purificationperformanceofsemiconductingphotocatalyticmaterials—Part3:Removaloftoluene
【原文标准名称】:精细陶瓷(高级陶瓷,高级工业陶瓷).半导体光催化材料空气净化性能的试验方法.第3部分:甲苯的清除
【标准号】:ISO22197-3-2011
【标准状态】:现行
【国别】:国际
【发布日期】:2011-04-01
【实施或试行日期】:2011-04-01
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC206
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Advancedtechnicalceramics;Airpurification;Ceramics;Definitions;Fineceramics;Oxygen;Photocatalysis;Semi-conducting;Surfaces;Testing;Toluene;Ultravioletradiation
【摘要】:ThispartofISO22197specifiesatestmethodforthedeterminationoftheair-purificationperformanceofmaterialsthatcontainaphotocatalystorhavephotocatalyticfilmsonthesurface,usuallymadefromsemiconductingmetaloxides,suchastitaniumdioxideorotherceramicmaterials,bycontinuousexposureofatestpiecetothemodelairpollutantunderilluminationwithultravioletlight(UV-A).ThispartofISO22197isintendedforusewithdifferentkindsofmaterials,suchasconstructionmaterialsinflatsheet,boardorplateshape,thatarethebasicformsofmaterialsforvariousapplications.ThispartofISO22197alsoappliestostructuredfiltermaterialsincludinghoneycomb-form,wovenandnon-wovenfabrics,andtoplasticorpapermaterialsiftheycontainceramicmicrocrystalsandcomposites.ThispartofISO22197doesnotapplytopowderorgranularphotocatalyticmaterials.Thistestmethodisusuallyapplicabletophotocatalyticmaterialsproducedforairpurification.Thismethodisnotsuitableforthedeterminationofotherperformanceattributesofphotocatalyticmaterials,i.e.decompositionofwatercontaminants,self-cleaning,antifoggingandantibacterialactions.Itconcernstheremovaloftoluene.
【中国标准分类号】:Q32
【国际标准分类号】:81_060_30
【页数】:16P.;A4
【正文语种】:英语


Product Code:SAE J20
Title:Coolant System Hoses
Issuing Committee:Non-Hydraulic Hose Committee
Scope:This SAE Standard covers reinforced and flexible hoses intended for use in water and ethylene glycol-based engine-coolant system applications.