Surface modification and interfacial adhesion of polyimide fibre by phosphoric acid treatment，2009先进纤维与聚合物材料国际学术会议（ICAFPM，10.21-10.24，上海）-中国聚合物网,论文下载

Surface modification and interfacial adhesion of polyimide fibre by phosphoric acid treatment

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polyimide fibre(P84) surface treatment phosphoric acid interfacial
adhesion

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616K

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分子表征

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2009先进纤维与聚合物材料国际学术会议（ICAFPM，10.21-10.24，上海）

简介：

Inthispaper,thesurfacemodificationofpolyimidefibre(P84)byphosphoricacid(PA)solutionofdifferentconcentrationwasinvestigated.Theinterfacialadhesionpropertiesbetweenpolyimidefibreandepoxywerestudiedbymicrobondpull-outtests.ThechemicalcompositionandmorphologyofpolyimidefibresurfaceswerecharacterizedbyFourierTransformInfraredspectrometry(FTIR)andscanningelectronmicroscopy(SEM)respectively.FromtheSEMmicrographsandtheFTIRspectra,itcouldbeseenthefibrehasaroughersurfaceandmorereactivechemicalgroupssuchas–COOHand–OHthantheuntreatedfibre.Microbondpull-outtestsofthefibretreatedby20wt%phosphoricacidshowedthattheinterfacialshearstrengthbetweenpolyimidefibreandepoxysignificantlyincreasedby58.12%upto15.10MPa,whilethetensilestrengthofthetreatedfibreretained81.73%oftheoriginalfibre.

作者：

SHEN Shuaifeng, XIANG Hongbing, CHEN Lei, YU Junrong, ZHU Jing, HU Zuming

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2010-03-22 11:47:16

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