T-CTES 1063-2024 纺织品 定量化学分析皮芯型低熔点聚酯复合纤维与某些其他纤维的混合物

纺织品定量化学分析皮芯型低熔点聚酯复合纤维与某些其他纤维的混合物Textiles—Quantitativechemicalanalysis—Mixturesoflowmeltingpopolyestercompositefiberofskincoretypeandcertainotherfibers2024-04-01发布2024-04-01实施IT/CTES1063—2024本文件按照GB/T1.1—2020《标准化工作导则定起草。第1部分：标准化文件的结构和起草规则》的规请注意本文件的某些内容可能涉及专利。本文件发布机构不应承担识别专利的责任。本文件由中国纺织工程学会标准化工作委员会提出。本文件由中国纺织工程学会归口。本文件起草单位：中联品检(上海)技术服务有限公司、南京工业大学、绍兴中纺联检验技术服务有限公司、山东华盛创新纺织科技有限公司、中联品检(北京)技术集团有限公司。本文件主要起草人：朱露、杨道鹏、郑春玲、周斌能、陈海林、杨宏珊、沙倩倩、裴要果。T/CTES1063—20241皮芯型低熔点聚酯复合纤维与某些其他纤维的混合物本文件描述了测定去除非纤维物质后皮芯型低熔点聚酯复合纤维与某些其他纤维的混合物中纤维含量的化学分析方法。本文件适用于皮芯型低熔点聚酯复合纤维与聚氨酯弹性纤维、醋酯纤维或三醋酯纤维的二组分混合物。皮芯型低熔点聚酯复合纤维与某些其他纤维的二组分混合物参照执行。注：皮芯型低熔点聚酯复合纤维的鉴别见附录2规范性引用文件下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文件，仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本(包括所有的修改单)适用于本文件。氯酸盐法)酸法)GB/T2910.25纺织品定量化学分析第25部分：聚酯纤维与某些其他纤维的混合物(三氯乙酸/三氯甲烷法)GB/T38015纺织品定量化学分析氨纶与某些其他纤维的混合物纺织品定量化学分析聚丙烯纤维与某些其他纤维的混合物适用于本文件。.物分别沿纤维纵向连续形成皮层和芯层的复合纤维。.皮芯型低熔点聚酯复合纤维lowmeltingpointpolyestercompositefiberofskincoretype芯层为普通聚酯(HMPET),皮层为熔点明显低于芯层的改性聚酯(LMPET)的皮芯型复合纤维。24仪器4.1三角烧瓶：250mL,带有玻璃塞。4.2水浴振荡器：振荡频率50次/min～100次/min可调，温度在10℃~95℃范围可调，精度±2℃。4.4玻璃砂芯坩埚：容量为30mL～40mL,微孔直径为90μm～150μm的烧结式圆形过滤坩埚。坩埚应带有一个磨砂玻璃瓶塞或表面玻璃皿。注：也能用其他能获得相同结果的仪器代替玻璃坩埚。4.6干燥器：装有变色硅胶。4.7干燥烘箱：能保持温度为(105±3℃。4.9索氏萃取器：其容积(mL)是试样质量(g)的20倍，或其他能获得相同结果的仪器。用40%氢氰化钠溶液把皮芯型低熔点聚酯复合纤维从已知干燥质量的混合物中溶解去除，收集残留物、清洗、烘于和称量，用修正后的质量计算其占混合物干燥质量的百分数。由差值得出皮芯型低熔点聚酯复合纤维的质量百分数。5.2.1蒸馏水，三级水。5.2.2石油醚，馏程为40℃~60℃。5.2.340%(质量分数)氢氧化钠溶液；在40g氢氧化钠中加人60mL蒸馏水，用皱璃棒搅拌使其完全混合。5.2.4稀乙酸溶液：取5mL冰乙酸加蒸馏水稀释至1000mL。5.3.1按照GB/T2910.1规定的通用程序进行，然后按5.3.2~5.3.5操作。5.3.2把准备好的试样放入三角烧刑中，每克试样加人100mL40%氢氧化钠溶液(5.2.3),塞上玻璃塞，摇动三角烧瓶使试样浸湿。然后将三角烧瓶放入(95±2)℃水浴振荡器(4.2)中振荡30min,振荡频率80次/min～100次/min。5次，用稀乙酸溶液(5.2.4)中和，然后用水充分洗涤。5.3.4将剩余物烘干、冷却、称量。5.3.5在显微镜下观察残留物，确保皮芯型低熔点聚酯复合纤维完全去除。结果的计算和表示按GB/T2910.1规定，聚氨酯弹性纤维的d值为1.01。T/CTES1063—202436皮芯型低熔点聚酯复合纤维与醋酯纤维、三醋酯纤维的混合物(20%盐酸法)6.1原理依据GB/T38015的20%盐酸法，用20%盐酸溶液把醋酯纤维或三醋酯纤维从已知干燥质量的混合物中溶解去除，收集残留物、清洗、烘干和称量，用修正后的质量计算其占混合物干燥质量的百分数。由差值得出皮芯型低熔点聚酯复合纤维的质量百分数。6.2试剂6.2.1蒸馏水，三级水。6.2.2石油醚，馏程为40℃~60℃.6.2.320%(质量分数)盐酸溶液：取浓盐酸1000mL(20℃,密度1.19g/mL)慢慢加入到800mL蒸馏水中，待冷却到20℃时，再加蒸馏水，修正其密度至1.095g/mL～1.100g/mL,浓度控制在19.5%~20.5%。警示—浓盐酸具有强挥发性且会对人体产生危害，使用时应在通风橱中进行并采取完善的保护措施，该试剂不宜久置。6.2.4稀氨水溶液：取80mL浓氨水(密度0.880g/mL)加蒸馏水稀释至1000mL。6.3试验步骤6.3.1按照GB/T2910.1规定的通用程序进行，然后按6.3.2～6.3.5步骤操作。6.3.2把准备好的试样放入三角烧瓶中，每克试样加入100mL20%盐酸溶液(6.2.3),塞上玻璃塞，摇动三角烧瓶使试样浸湿。然后将三角烧瓶放入(70±2)℃水浴振荡器(4.2)中振荡30min,振荡频率80次/min～100次/min。6.3.3用已知干燥质量的玻璃砂芯坩埚排液抽吸或滤网(4.3)过滤，剩余纤维用同温度、同浓度的盐酸洗涤3次(必要时辅以机械揉搓，使溶解物与皮芯型低熔点聚酯复合纤维分离),再用同温度水清洗4次～5次，用稀氨水溶液(6.2.4)中和2次，然后用水充分洗涤。6.3.4将剩余纤维烘干、冷却，称量。6.3.5在显微镜下观察残留物，确保醋酯纤维、三醋酯纤维完全去除。示示按GB/T2910.1规定，皮芯型低熔点聚酯复合纤维的d值为1.00。酯复合纤维与纤维素纤维、聚丙烯腈纤维、动物纤维、聚酰胺纤维、聚乙烯纤维、聚酯复合纤维与纤维素纤维(棉、亚麻、苎麻、粘胶纤维、莫代尔纤维、莱赛尔纤维、铜纤维的混合物(三氯乙酸/三复甲烷法)按照GB/T2910.25执行，棉的d值为1.02,.,其他纤维的d值为1.00。7.2皮芯型低熔点聚酯复合纤维与动物纤维(蚕丝、绵羊毛、山羊绒、其他特种动物纤维)的混合物(次氯酸钠法)按照GB/T2910.4执行，皮芯型低熔点聚酯复合纤维的d值为0.998。注：以次氯酸钠溶液作为溶解液。7.3皮芯型低熔点聚酯复合纤维与聚酰胺纤维的混合物(80%甲酸法)按照GB/T2910.7执行，皮芯型低熔点聚酯复合纤维的d值为1.01。4T/CTES1063—20247.4皮芯型低熔点聚酯复合纤维与聚乙烯纤维、聚丙烯纤维的混合物(浓硫酸法)按照FZ/T01135中浓硫酸法执行，聚乙烯纤维、聚丙烯纤维的d值为1.00。8试验结果试验结果以两份平行试样的平均值表示。若两份平行试样测试结果的绝对差值大于1%时，应测试第三份试样，试样结果以三份试样的平均值表示。试样结果计算至小数点后两位，修约至小数点后一位。9精密度对均匀的纺织材料混合物，在95%置信水平下，本方法测试结果的置信界限不超过±1%。10试验报告试验报告应包括下列内容。a)采用本文件方法。b)样品描述。c)混合物全部组分或单一组分的测试结果。d)如采用特殊预处理去除浆料或整理剂则要详细说明。e)注明上述结果是基于；1)净干质量百分学；2)结合公定回潮率的百分率；3包活公定回潮率和预处理中纤维损失率的百分率；4)包播公定回潮率和非纤维物质除去率的百分率T/CTES1063—2024(资料性)皮芯型低熔点聚酯复合纤维的定性鉴别方法A.1燃烧法根据FZ/T01057.2测试皮芯型低熔点聚酯复合纤维的燃烧状态，其燃烧状态见表A.1。表A.1皮芯型低熔点聚酯复合纤维的燃烧状态A.2显微镜法根据FZ/T01057.3测试皮芯型低熔点聚酯复合纤维的形态特征为：纵向表面平滑，纤维边缘有双界线；横截面为圆形或近似圆形，呈皮芯结构。皮芯型低熔点聚酯复合纤维的纵面和横截面形态见低熔点聚酯复合纤维纵面图A.2皮芯型低熔点聚酯复合纤维横截面1057.4测试皮芯型低熔点聚酯复合纤维的化学溶解性能，其化学溶解性能见表A.2。表A.2皮芯型低熔点聚酯复合纤维化学溶解性能溶剂温度溶解性0.9mol/L～1mol/L次氯酸钠常温I295%～98%硫酸常温S375%碗酸常温P436%～38%盐酸常温工520%盐酸常温工70℃IT/CTES1063—20246表A.2皮芯型低熔点聚酯复合纤维化学溶解性能(续)680%甲酸!7N,N-二甲基甲酰胺PP8二氯甲烷P9I冰乙酸IPIP浓硝酸P5%氢氧化钠工工30%氢氧化钠工S工S三氯乙酸/三氯甲烷S注1:S为完全溶解；P为部分溶解；1为不溶解。注2:常温(24℃~30℃)溶解时间为5min,煮沸溶解时间为3min。注3:20%盐酸70℃溶解时间为30min,甲酸/氯化锌70℃溶解时间为8min,30%氢氧化钠溶解时间为40min,碱性乙醇70℃溶解时间为30min。A.4熔点法根据FZ/T01057.6测试皮芯型低熔点聚酯复合纤维的熔点，其熔融温度见表A.3。表A.3皮芯型低熔点聚酯复合纤维熔融温度皮芯型低熔点聚酯复合纤维芯层(HMPET)的熔点：255℃~260℃皮层(LMPET)的熔点：80℃~180℃A.5红外光谱法根据FZ/T01057.8测试皮芯型低熔点聚酯复合纤维，其红外光谱图见图A.3,其红外光谱主要吸收谱带和特征频率见表A.4。7T/CTES1063—2024波数/波数/cm图A.3皮芯型低熔点聚酯复合纤维红外吸收光谱图表A.4皮芯型低熔点聚酯复合纤维的主要吸收谱带及特征频率纤维名称制样方法主要吸收谱带及特征频率/cm¹皮芯型低熔点聚酯复合纤维溴化钾压片法1730,1260,1130,730T/CTES1063—20248[1]FZ/T01057.2纺织纤维鉴别试验方法第2部分：燃烧法[2]FZ/T01057.3纺织纤维鉴别试验方法第3部分：显微镜法[3]FZ/T01057.4纺织纤维鉴别试验方法第4部分：溶解法[4]FZ/T01057.6纺织纤维鉴别试验方法第6部分：熔点法[5]FZ/T01057.8纺织纤维鉴别试验方法第8部分：红外光谱法ICS61.020SocialOrganizationStandardT/CTES1063—2024Textiles—Quantitativechemicalanalysis—Mixturesoflowmeltingpointpolyestercompositefiberofskincoretypeandcertainotherfibers纺织品定量化学分析皮芯型低熔点聚酯复合纤维与其他纤维的混合物Issuedate:2024-04-01Implementationdate:2024-04-01IssuedbyChinaTextileEngineeringSocietyT/CTES1063—2024ForewordThisdocumentisdraftedinaccordancewiththerulesofGB/T1.1—2020Directivesforstandardiza-tion—Part1:Rulesforthestructureanddraftingofstandardizingdocuments.Attentionisdrawtothepossibilitythatsomeoftheelementsofthisstandardmaybesubjectofpa-tentrights.Theissuingbodyofthisdocumentshallnotbeheldresponsibleforidentifyinganyorall-suchpatentrights.ThisdocumentisproposedbytheStandardizationTechnicalCommitteeofChinaTextileEngineering-Society.ThisdocumentscenralizedbyChinaTextileEngineeringSociety.T/CTES1063—2024Textiles—Quantitativechemicalanalysis—MixturesoflowmeltingpointpolyestercompositefiberofskincoretypeandcertainotherfibersThisdocumentspecifiesachemicalanalyticalmethodforthedeterminationoffibercontentinmix-turesoflowmeltingpointpolyestercompositefiberofskincoretypeandcertainotherfibersafterremovalofnon-fibroussubstances.Thisdocumentappliestoatwo-componentmixturesoflowmeltingpointpolyestercompositefiberofskincoretypeandelastane,acetateortriacetate.Thetwo-componentmixturesoflowmeltingpointpolyestercompositefiberofskincoretypeandcertainotherfibersperformedbyreference.NOTESeeAppend×AforidentecetonoflowmeltingpointpolvestercomostefiberofskinoretypeThefollowingreferenceddocumentsareindispensablefortheapplicationofthisdocument.Fordatedreferences.onytheeditioncitedapplies.Forundatedreferences.thelatesteditionoftheref-erenceddocument(includinganyamendments)applies.GB/T2910.1.Textiles—Quantitatrvechemicalanalysis—Part1.GeneralprinciplesoftestingGB/T2910.4.Textiles—Quantitativechemicalanalysis—Part4:Mixturesofcertainproteinfibreswithcertainotherfibres(methodusinghypochlorite)GB/T2910.7.Textiles—Quantitativechemicalanalysis—Part7:Mixturesofpolyamideandcertainotherfibres(methodusingformicacid)GB/T2910.25.Textiles—Quantitativechemicalanalysis—Part25:Mixturesofpolyesterandcertainotherfibres(methodusingtrichloroaceticacidandchioroform)GB/T38015.Textiles—Quantitativechemicalanalysis—MixturesofelastaneandcertainotherfibersT/CTES1063—2024FZ/T01135.Textiles—Quantitativechemicalanalysis—MixturesofpolypropyleneandcertainotherfibresForthepurposesofthisdocument.thefollowingtermsanddefinitionsapply.3.1compositefiberofskincoretypeThecompositefiberoftheskinlayerandthecorelayerisformedbythetwocomponentpolymersa-longthefiberlongitudinally.lowmeltingpointpolyestercompositefiberofskincoretypeThecorelayeriscommonpolyester(HMPET),andtheskinisthemodifiedpolyester(LMPET)whosemeltingpointisobviouslylowerthanthecorelayer.4.1Triangleflask:250mLwithglassstopper.4.2Waterbathoscillator:Theoscillationfrequencyisadjustablefrom50times/minto100times/min.thetemperatureisadjustablefrom10℃to95℃.theaccuracyis±2℃.4.3Screen:150mesh(diameter0.1mm).diameter10cm.height6cmstainlesssteelscreenorotherscreenwiththesameeffect.4.4Glasscorecrucible:sinteredcircularfiltercruciblewithacapacityof30mL～40mLandami-crpoediameterof90μm~150μm.Thecrucibleshallhaveafrostedglassstopperorsurfaceglassdish.Note:Theglasscruciblecanalsobereplacedwithotherinstrumentsthatcanobtainthesamere-sults.4.5Filterpumpingdevice.4.6Dryer:equippedwithcolor-changingsilicone.4.7Dryingoven:canmaintainthetemperatureof(105±3)℃.T/CTES1063—20244.8Analyticalbalance:accuracy0.0002gorabove.4.9Soxhletextractor:Itsvolume(mL)is20timesthemassofthesample(g).orotherinstru-mentthatcanobtainthesameresult.5Mixturesoflowmeltingpointpolyestercompositefiberofskincoretypeandelastane(methodusing40%sodiumhydroxide)5.1PrincipleThelowmeltingpointpolyestercompositefiberofskincoretypeisdissolvedandremovedfromthemixtureofknowndryqualitywith40%sodiumhydroxidesolution.collectresidue.wash.dryandweigh.Thepercentageofthedrymassofthemixturewascalculatedusingthecorrectedmass.Themasspercentageoflowmeltingpointpolyestercompositefiberofskincoretypeisobtainedfromthedifference.5.2Reagents5.2.1Distilledwater.tertiarywater.5.2.2Petroleumether.thedistilationrangeis40℃~60℃.5.2.340%(massfraction)Sodiumhydroxidesolution:Add60mLdistilledwaterto40gsodiumhydroxideandstiritwithaglassrodtomixitcompletely.5.2.4Dilute5mLofaceticacid(p=1.05g/mLat20℃)to1000mLwithwater.5.3Testprocedure5.3.1FollowthegeneralprocedurespecifiedinGB/T2910.1.Thenpress5.3.2to5.3.5.5.3.2Putthepreparedsampleintothetriangleflask.add100mL40%sodiumhydroxidesolution(5.2.3)pergramofsample.plugtheglassplug.shakethetriangleflasktowetthesample.Thenputthetriangleflaskintothe(95±2)℃waterbathoscillator(4.2)tooscillatefor30min.withanos-cillationfrequencyof80times/min～100times/min.5.3.3Useaglasssandcorecruciblewithknowndryqualityforliquidextractionorfilterwithafilterscreen(4.3).washtheremainingfiberswith40%sodiumhydroxidesolutionatthesametem-peraturefor3times(supplementedbymechanicalrubbingifnecessarytoseparatethedis-solvedmatterfromthepolyurethaneelasticfibers).thenwashwithwateratthesametemperaturefor4times~5times.andneutralizewithdiluteaceticacidsolution(5.2.4).Thenwashthoroughlywithwater.T/CTES1063—20245.3.4Dry.coolandweightheleftovers.5.3.5Observetheresidueunderamicroscopetoensurethatthelowmeltingpointpolyestercom-positefiberofskincoretypeiscompletelyremoved.5.4CalculationandexpressionofresultsAccordingtoGB/T2910.1.thedvalueofelastaneis1.01.acetateortriacetate(methodusing20%hydrochloricacid)6.1PrincipleAccordingtothemethodof20%hydrochloricacidinGB/T38015.theacetateortriacetateisdis-solvedandremovedfromthemixtureofknowndryqualitywith20%hydrochloricacidsofution.col-lectresidue.wash.dryandweigh,Thepercentageofthedrymassofthemixturewascalculatedusingthecorrectedmass.Themasspercentageofcacetateandtriacetateisobtainedfromthediffer-ence.6.2Reagents6.2.1Distilledwater.tertiarywater.6.2.2Petroleumether.thedistillationrangeis40℃~60℃.6.2.320%(massfraction)hydrochloricacidsolution:Take1000mLconcentratedhydrochloricacid(20℃.density1.19g/mL)andslowlyadditinto800mLdistilledwater.Whenitiscooledto20℃,thenadddistilledwatertocorrectitsdensityto1.095g/mL.andcontroltheconcentrationat19.5%～20.5%.Warning:Concentratedhydrochloricacidishighlyvolatileandwillcauseharmtothehumanbody.andshouldbeusedinthefumehoodandtakeperfectprotectivemeasures.Thereagentshouldnotbekeptforalongtime.6.2.4Ammonia.dilutesolution:Dilute80mLofconcentratedammoniasolution(p=0.88g/mLat20℃)to1000mLwithwater.6.3Testprocedure6.3.1FollowthegeneralprocedurespecifiedinGB/T2910.1.Thenpress6.3.2to6.3.5.T/CTES1063—20246.3.2Putthepreparedsampleintothetriangleflask.add100mL20%hydrochloricacidsolution(6.2.3)pergramofsample.plugtheglassplug.shakethetriangleflasktowetthesample.Thenputthetriangleflaskintothe(70±2)℃waterbathoscillator(4.2)tooscillatefor30minatanoscilla-tionfrequencyof80times/min～100times/min.6.3.3Useaglasssandcorecruciblewithknowndryqualityforliquidextractionorfilterwithafilterscreen(4.3).washtheremainingfiberswithasmallamountofhydrochloricacidatthesametemperatureandconcentrationfor3times(supplementedbymechanicalrubbingifnecessarytosep-aratethedissolvedmatterfromtheleathercoretypelow-meltingpolyestercompositefiber).washwiththesametemperaturefor4times~5times.andneutralizewithdiluteammoniasolution(6.2.4)for2times.Thenwashthoroughlywithwater.6.3.4Dry.coolandweightheleftovers.6.3.5Observetheresidueunderthemicroscopetoensurethattheacetateortriacetatearecom-pletelyremoved.6.4CalculationandexpressionofresultsAccordingtoGB/T2910.1.thedvalueoflowmeltingpointpolyestercompositefiberofskincore7Mixturesoflowmeltingpointpolyestercompositefiberofskincoretypewithcellulosefibers(cotton.flax.ramie.viscose.model.Iyocell.cupro),acrylic.animalfibers(silk,wool,cashmere.otherspecialanimalfibers).polyamide,polypropylene,polyethylene.7.1Mixtuiresoflowmeltingpointpolyestercompositefiberofskincoretypewithcellulosefibers(cottom,fhx.ramie.viscose、model.lyocell.cupro)、acrylic(methodusingtrichloroaceticacid/tri-chloromethane)isexecutedaccordingtoGB/T2910.25.thedvalueofcottonis1.02.thedvalueoftlaxis1.01,andthedvalueofotherfibersis1.00.7.2Mixturesoftowmeltingpointpolyestercompositefiberofskincoretypewithanimalfibers(silk.wool.cashmere.otherspecialanimalfibers)(methodusingsodiumhypochlorite)isfskincoretypeis0.998.7.3Mixturesoflowmeltingpointpolyestercompositefiberofskincoretypewithpolyamide(methodusing80%formicacid)isexecutedaccordingtoGB/T2910.7.thedvalueoflowmeltingpointpolyestercompositefiberofskincoretypeis1.01.7.4MixturesoflowmeltingpointpolyestercompositefiberofskincoretypewithPolyethyleneorT/CTES1063—2024polypropylene(methodusingconcentratedsulfuricacid)isexecutedaccordingtoFZ/T01135.thedvalueofpolypropylene.polyethyleneis1.00.Thetestresultsareexpressedastheaverageoftwoparallelsamples.Iftheabsolutedifferencebe-tweenthetestresultsoftwoparallelsamplesisgreaterthan1%.thethirdsampleshouldbetested.andthesampleresultisexpressedastheaveragevalueofthethreesamples.Thesamplere-sultiscalculatedtotwodecimalplacesandrevisedtoonedecimalplace.Onahomogeneousmixtureoftextilematerials.theconfidencelimitsoftheresultsobtainedbythismethodarenotgreaterthan±1percentagepointfortheconfidencelevelof95%.Thetestreportshallincludethefollowing:a)Adoptthisstandardmethod:b)Sampledescription;c)Testresultsofallcomponentsofthemixture;d)Detaileddescriptionifspecialpretreatmentisusedtoremoveslurryorfinishingagent;eiindicatethattheaboveresultsarebasedon:1)Netdrymasspercentage;2)Combinedwiththepercentageofthespecifiedmoistureregain:3)includingthepercentageofmoistureregainandfiberlossinpretreatment;4)Includingthepercentageofthecommonmoistureregainandnon-fibermaterialremovalrate.AnnexAWhenapproachingMoitenandburningandT/CTES1063—2024FigureA.2—CrosssectionoflowmeltingpointpolyestercompositefiberofskincoretypeA.3SolubilityTestaccordingtoFZ/T01057.4.thechemicalsolubilityoflowmeltingpointpolyestercompositefi-berofskincoretypewastested,itschemicalsolubilityisshowninTableA.2.TableA.2—ChemicalsolubilityoflowmeltingpointpolyestercompositefiberofskincoretypeReagent1I2S3P415I1IPPP