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36320083 NEWCHEMICALMATERIALSVol.36No.3·77·:(1972-),,。赵 祺 贺传兰 雷卫华(中国工程物理研究院化工材料研究所,绵阳621900) 通过硅橡胶与乙烯-乙酸乙烯酯(EVA)共混,制作了硅橡胶与EVA的复合海绵材料。对海绵样品的泡孔结构、拉伸性能、压缩应力松弛、压缩应力应变性能进行了测试,讨论了EVA的加入对硅橡胶海绵力学性能的影响。 硅橡胶,海绵,EVA,增强,泡沫,发泡StudyonhighstrengthsiliconerubberspongecompositeZhaoQi HeChuanlan LeiWeihua(CAEP,InstituteofChemicalMaterials,Mianyang621900)Abstract ThemethodofreinforcingsiliconerubberspongewasintroducedbyblendingsiliconerubberwithEVA.ThesiliconerubberspongeblendingwithEVAwasprepared,Andthecellstructure,tensilestrength,compressionstress-relaxation,compressionstress/straincurveswereobtainedbytest.TheeffectofEVAonmechanicalbehaviorofsiliconerubberspongewasdiscussed.Keywords siliconerubber,sponge,EVA,reinforcing,foam,blowing 、、、、、,、、、。,,,。、[1-3];[4-5]。EVA、、,。,-(EVA),EVA,。1 1.1 110-2(100)2(30)S(X)160A,EVA(VA10%~15%),120℃;,(2~4)、AC(5~8),;,YX-50160℃,EVA。1.2 (1):(40mm×20mm×1mm),,WD-50,0.5mm·min-1。(2):,45%,。(3)、:23℃,Rh=65%,GB/T528-92。(4):1mm,MRC-1000。2 2.1 EVA2.1.1 硅橡胶复合海绵的形态结构。、。EVA(1),,。EVA,200~300mm,。EVA,,。 (a) (b)/EVA(10∶2)1 (×100)2.1.2 硅橡胶复合海绵的拉伸性能6MPa,0.6MPa,1。Griffifh,,,,,,。,36。EVA,,,,。EVA,0.6~0.7g·cm-3,1。1 EVAEVA/g*/MPa/%00.626050.8370101.3456151.7510202.3569 *100gEVA1,EVA,。EVA20,1。,EVA,。2.1.3 硅橡胶海绵的压缩应力松弛性能,,。,。2,EVA,。EVA10,;EVA20,,。,EVA,,。2 EVAEVA/g*05101520/%3234354047 *100gEVA2.1.4 EVA增强硅橡胶海绵的压缩应力应变性能。EVA0、10、20,2。2,3。EVA,,60%20%,。,EVA20,,,EVA,。2 EVA[1-,2-/EVA(10∶1),3-/EVA(10∶2)]3 (1)(10%)EVA,,。(2)EVA,、。[1] ,.[J].,1999,15,(5):111-113.[2] ,,[J].,1996,19(5):295-296.[3] ,.[J].,1999,22(6):358-361.[4] ,.[J].,2000,27(2):50-51.[5] ,.[J].,2001,27(2):165-168.:2007-08-24(上接第43页)3 (1)PAn,,PAn,PAn,PAn。(2)PAn,,PAnPAn-HCl,PAn-SSA1000ppmNH315.47,,NH3。(3)PAn-HCl,PAn。[1] DominiqueNicolas-Debarnot,FabiennePoncin-Epaillard.[J].AnalyticaChimicaActa,2003(475):1-15.[2] AgborNE,PettyMC,MonkmanAP.[J].SensorsandAc-tuatorsB,1995(28):173-179.[3] HuH,TrejoM,NichoME,etal.[J].SensorsandActuatorsB,2002(82):14-23.[4] NichoME,TrejoM,Garcia-ValenzuelaA,etal.[J].SensorsandActuatorsB,2001(76):18-24.[5] XuKe,ZhuLihua,LiJimg,TangHepeng.[J].ElectrochimicaActa,2006(52):723-727.[6] YinWusheng,EliRuckenstein.[J].SyntheticMetals,2000(108):39-46.:2008-01-04:2008-02-20·78·
本文标题:高强度硅橡胶海绵复合材料研究-赵祺
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