ANSI/ASTM D6042-1996 利用气相色谱法确定聚丙烯均聚物中酚类防老剂和Erucamide滑移添加剂的方法

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【英文标准名称】:StandardTestMethodforMicroscopicEvaluationoftheDispersionofCarbonBlackinPolyolefinGeosynthetics
【原文标准名称】:聚烯烃土工合成织物中炭黑分散的显微镜评定标准试验法
【标准号】:ASTMD5596-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D35.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:聚烯烃;炭黑;土工合成织物;塑料;土工织物;夹杂物;分散;试验
【英文主题词】:carbonblack;dispersion;geosynthetics;polyolefin;microtome;distribution;iteration
【摘要】:Carbonblackisaddedtomanypolymerstoprovidelong-termresistancetoultraviolet-induceddegradation.Toachievethis,carbonblackshouldbedisperseduniformlythroughouttheas-manufacturedgeosyntheticmaterial.Thistestmethodisusedtoevaluatetheuniformityofcarbonblackdispersion.Thistestmethodissuitableonlyforthosegeosyntheticsthatcanbesampledusingarotaryorsledgemicrotome.Thegeometry,stiffness(hardness),orelasticityofsomegeosyntheticproductsprecludestheirbeingsampledwithamicro-tome.Thecross-sectionalareaofthegeosyntheticmustbecomposedofacontinuoussolidpolyolefinmaterialtobesampledusingamicrotome.Extrudedandorientedgeogridswillrequirethatmicrotomespecimensbecutfromthenonorientedbarsofuniaxialproductsandthenon-orientednodesofbiaxialproducts.1.1Thistestmethodcoversequipment,specimenpreparationtechniques,andproceduresforevaluatingthedispersionofcarbonblackinpolyolefingeosyntheticscontaininglessthan5%carbonblackbyweight.1.2Thistestmethodallowsforaqualitativeevaluationofcarbonblackagglomeratesandotherinclusionsinpolyolefingeosynthetics.Thisevaluationisbasedoncarbonblackdispersionsizecalculatedareawithinmicroscopicfieldsofview.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;Thistestmethodisfortheevaluationofcarbonblackdispersion.Thistestmethoddoesnotsupportorevaluatethedistributionofcarbonblack.
【中国标准分类号】:W59
【国际标准分类号】:59_080_70
【页数】:3P.;A4
【正文语种】:


【英文标准名称】:Productioninopticalengineering-Diamondimpregnatedcupwheels-Part7:Combinableshapegrindingdiscs
【原文标准名称】:光学加工.镶金刚石的杯形砂轮.第7部分:可组合的定形研磨盘
【标准号】:DIN58741-7-2005
【标准状态】:作废
【国别】:德国
【发布日期】:2005-08
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸;碗形砂轮;公差(测量);定形研磨;材料;磨床;光学加工;光学;镶金刚石的;作标记;连接尺寸
【英文主题词】:Connectingdimensions;Cupwheels;Diamond-tipped;Dimensions;Grindingmachines;Marking;Materials;Optics;Productioninopticalengineering;Shapegrinding;Tolerances(measurement)
【摘要】:Thisstandardappliestodiamondimpregnatedcombinableshapegrindingdiscs,whichareusedintheproductioninopticalengineeringfortheshapeandprofilegrindingoffringesofworkpiecesrelatedtotheopticalaxis.Itspecifiesthecouplingdimensionsforshapegrindingdiscs.#,,#
【中国标准分类号】:J43
【国际标准分类号】:37_020
【页数】:10P.;A4
【正文语种】:德语