【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】:
基本信息
标准名称: | 阻燃聚酰胺1010注塑成型工艺 |
中标分类: |
航空、航天 >>
航空、航天材料与工艺 >>
航空、航天材料基础标准 |
ICS分类: |
航空器和航天器工程 >>
有关航空航天制造用涂覆与有关工艺
|
替代情况: | 被HB/Z 190-2004替代 |
发布日期: | 1997-09-23 |
实施日期: | 1997-10-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
出版日期: | 1900-01-01 |
页数: | 9页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 航空 航天 航空 航天材料与工艺 航空 航天材料基础标准 航空器和航天器工程 有关航空航天制造用涂覆与有关工艺