《玻璃纤维增强微孔发泡聚丙烯》.pdfVIP

塑 料 蒋团辉等——玻璃纤维增强微孔发泡聚l珂烯 2009年38卷第4期 玻璃纤维增强微孔发泡聚丙烯 蒋团辉1。2。朱建华2，李良2．何力2 摘要：采用经表面改性的玻璃纤维(GF)增强微孔发泡聚丙烯材料。结果表明：GF与微孔结构间存在明显的协同 增强效应。GF质量含量在17％以上时，微孔发泡PP的拉伸强度和弯曲强度获得显著提高，而冲击强度降低。长径比 入不会导致材料内部泡孔变形，泡孔尺寸在30一40 tim。 关键词：微孔发泡；聚丙烯；注塑成型；玻璃纤维；增强 中图分类号：TQ325．12文献标识码：A文章编号：1001—9456(2009)04—0025一02 TheMicro·Foamed ReinforcedtheGlassfiber Polypropyleneby JIANGTuan．huil”，ZHUJian．hua2，LI Li2 Lian92，HE of Chemical (1．School Engineering，GuizhouUniversity，Guiyang，Guizhou550003，China； 2．National ResearchCenterfor andModificationof 550014，China) Engineering Compounding PolymerMaterials，Guiyang，Guizhou modified usedtoreinforcethemicro·foamed resultsshowed Abstract：The glassfibre(GF)was polypropylene(PP)．The thattheGFand inthePPhadthe effectonthePP．Thetensileandflexural obviously micro—poreexiting CO—strengthened increasedwiththe contentoftheGFandenhancedasthecontentofGFwasabove the strength increasing rapidly 17％．and notch decreased．TheGFwiththeslendernessratioof13：3hadthe flexural thantheGFwiththe impactstrength larger strength of couldnthadtO of micro． slendernessratioof10：3．TheSEMobservationshowedthattheadditiontheGF thedeformationthe in PPandthe ofthe from30 to40 porethe size micro—poreranged p．m ttm． Keywor