标准资料网-标准资料免费资源平台

【英文标准名称】:StandardPracticeforRubber8212;IdentificationbyPyrolysis-GasChromatography
【原文标准名称】:橡胶的标准实施规程.裂解气相色谱法识别
【标准号】:ASTMD3452-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D11.11
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:炭黑;色谱法;识别;天然橡胶;工艺;橡胶;合成橡胶
【英文主题词】:GC;gaschromatography;pyrogram;pyrolysis;rubbercomposition;rubberidentification
【摘要】:Forresearch,development,andqualitycontrolpurposes,itisadvantageoustodeterminethecompositionofrubbersincured,compoundedproducts.Thispracticeprovidessuchcompositionanalysis,utilizingagaschromatographandpyrolysisproductsfromrubberdecomposition.1.1Thispracticecoverstheidentificationofpolymersinrawrubbers,andcuredanduncuredcompounds,basedonasinglepolymer,bythegaschromatographicpatternsoftheirpyrolysisproducts(pyrograms).Implementationofthisguidepresupposesaworkingknowledgeoftheprinciplesandtechniquesofgaschromatography,sufficienttocarryoutthispracticeandtointerprettheresultscorrectly.1.2Thispracticewillidentifythefollowingpolymers:1.2.1Polyisopreneofnaturalorsyntheticorigin,1.2.2Butadiene-styrenecopolymers,1.2.3Polybutadiene,1.2.4Polychloroprene,1.2.5Butadiene-acrylonitrilecopolymers,1.2.6Ethylene-propylenecopolymersandrelatedterpolymers,and1.2.7Isobutene-isoprenecopolymers.1.3Thispracticewillnotdifferentiatethefollowingpolymers:1.3.1Naturalpolyisoprenefromsyntheticpolyisoprene.1.3.2Butadiene-styrenecopolymersproducedbysolutionandemulsionpolymerization.Itissometimespossibletodistinguishbutadiene-styrenecopolymerscontainingdifferentamountsofstyreneaswellasrandompolymersfromblockpolymers.1.3.3Polybutadienewithdifferentmicrostructures.1.3.4Differenttypesofpolychloroprenes.1.3.5Butadiene-acrylonitrilecopolymerswithdifferentmonomerratios.1.3.6Ethylene-propylenecopolymerswithdifferentmonomerratios,aswellasthecopolymersfromtherelatedterpolymers.1.3.7Isobutene-isoprenecopolymers(butylrubbers)fromhalogenatedbutylrubbers.1.3.8Polyisoprenecontainingdifferentamountsofcis-transisomers.1.3.9Thepracticedoesnotidentifyeboniteorhardrubbers.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G34
【国际标准分类号】:83_060
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:Structuraladhesives-Determinationofshearbehaviourofstructuralbonds-Part1:torsiontestmethodusingbutt-bondedhollowcylinders.
【原文标准名称】:结构粘合剂.结构胶粘剂抗剪性能的测定.第1部分:使用对接接合空心圆柱体的抗扭试验方法
【标准号】:NFT76-141-1-2004
【标准状态】:作废
【国别】:法国
【发布日期】:2004-12-01
【实施或试行日期】:2004-12-05
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:扭转试验;胶接;材料试验;剪切力;试样;剪切模数;振动;胶粘连接;剪切试验;胶粘剂;试样制备;塑料;滑动;结构粘合剂;振动试验;试验;表面;试验条件
【英文主题词】:Adhesive-bondedjoints;Adhesives;Bonding;Materialstesting;Plastics;Shearmodul;Sheartesting;Sheartests;Shearingstress;Sliding;Specimenpreparation;Structuraladhesives;Surfaces;Testspecimens;Testing;Testingconditions;Torsiontests;Vibration;Vibrationtesting
【摘要】:
【中国标准分类号】:G38
【国际标准分类号】:83_180
【页数】:14P.;A4
【正文语种】:其他