轨道车辆用聚氨酯胶综合环保性能研究

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摘要:以轨道车辆常用的4种聚氨酯胶粘剂为研究对象,考察了总挥发性有机物(TVOC)和气味活度总值(SOAV)随释放时间的变化规律。依据产品特点和研究成果,提出了低VOC、低气味和高释放率的聚氨酯胶综合环保性能评估方法。在4种聚氨酯胶粘剂中,胶粘剂A的综合环保性能最优。

关键词:轨道车辆;聚氨酯胶粘剂;TVOC;气味活度总值;综合环保性能

中图分类号:TQ433.4+32

文献标志码:A文章编号:1001-5922(2022)09-0011-03

Studyoncomprehensiveenvironmentalprotectionperformanceofpolyurethaneadhesiveforrailwayvehicle

MENGHe1,WUHuihui1,WEIRuixia1,CHANGHong1,FANJunbo1,

WANGYongxiang2,GUOYanhua2

(1.CRRCNANJINGPuzhenCo.,Ltd.,Nanjing210031,China;

2.GuangzhouGRGMetrology&testCo.,Ltd.,Guangzhou510656,China)

Abstract:Takingfourtypesofpolyurethaneadhesivescommonlyusedinrailwayvehicleastheresearchobject,thechangesofTotalVolatileOrganicCompounds(TVOC)andSumoftheOdorActivityValue(SOAV)withreleasetimewereinvestigated.Accordingtotheproductcharacteristicsandresearchresults,acomprehensiveenvironmentalprotectionperformanceevaluationmethodofpolyurethaneadhesivewithlowVOC,lowodorandhighreleaserateisproposed.Amongthefourpolyurethaneadhesives,adhesiveAhasthebestcomprehensiveenvironmentalprotectionperformance.Thismethodhasgoodpracticalguidingsignificance.

Keywords:railwayvehicle;polyurethaneadhesive;TVOC;sumoftheodoractivityvalue;comprehensiveenvironmentalprotectionperformance

胶粘剂、涂料等膏状辅料是重要的化工材料,在国民经济建设中发挥着举足轻重的作用,其中聚氨酯胶粘剂以其优良的粘接、耐冲击、耐低温、剥离强度高、质量轻、施工简单等性能,广泛用于轨道车辆制造过程[12]。(剩余3199字)

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