上海塑料第51卷第3期SHANGHAIPLASTICS玻纤增强聚丙烯材料耐高温冷却液老化性能研究Vol.51No.32023D0I:10.16777/j.cnki.issn.1009-5993.2023.03.006谢正瑞1,2(1.上海金发科技发展有限公司,上海201714;2.江苏金发科技新材料有限公司,江苏昆山215333)摘要:研究了短玻纤增强聚丙烯材料各组分对耐高温冷却液老化后性能保持率的影响,结果表明:在30%玻纤增强聚丙烯材料中,基体树脂使用高结晶M1200HS时,耐高温冷却液的老化性能保持率为84%;随着接枝物含量增加,耐高温冷却液老化性能保持率先增加后降低,接枝物质量分数为3%时,耐高温冷却液老化性能保持率最优为84%;随着玻纤含量增加,耐高温冷却液老化性能保持率逐渐降低;随着玻纤保留长度下降,耐高温冷却液老化性能保持率逐渐提高,当玻纤保留长度为380μm时,老化性能保持率达到92%。关键词:玻纤;聚丙烯;冷却液;性能保持率中图分类号:TQ325.14文献标志码:A文章编号:1009-5993(2023)03-0039-05StudyonHighTemperatureCoolantAgingResistanceofGlassFiberReinforcedPolypropyleneMaterialsXIEZhengruil.2(1.ShanghaiKingfaSci.&Tech.Co.,Ltd.,Shanghai201714,China;2.JiangsuKingfaSci.&Tech.AdvancedMaterialCo.,Ltd.,Kunshan215333,JiangsuProvince,China)Abstract:Thehightemperaturecoolantagingresistanceofeachcomponentofshortglassfiberreinforcedpolypropylenewasstudied.Theresultsshowthatin30%glassfiberreinforcedpolypropylenematerial,whenthematrixresinuseshighcrystallineM1200HS,theagingresistanceperformanceretentionrateofhightemperaturecoolantagingresistanceis84%.Asthecontentofgraftedpolymerincreases,thehightemperaturecoolantagingresistanceperformanceretentionratefirstincreasesandthendecreases.Whenthemassfractionofgraftedpolymeris3%,theoptimalhightemperaturecoolantagingresistanceperformanceretentionrateis84%.Asthecontentoffiberglassincreases,thecoolantagingre-sistanceperformanceretentionrategraduallydecreases.Astheretentionlengthofglassfibersdecreases,thehightem-peraturecoolantagingresistanceperformanceretentionrategraduallyincreases.Whentheretentionlengthofglassfibersis380μm,theagingperformanceretentionratereaches92%.Keywords:glassfiber;polypropylene;coolant;performanceretentionrate点。在汽...