矽橡膠回彈性的影響因素
發布時間:2026-03-25 08:45:42點擊率:
1、甲(jia)基(ji)乙(yi)烯(xi)基(ji)矽(gui)橡(xiang)膠(jiao)中(zhong)乙(yi)烯(xi)基(ji)含(han)量(liang)不(bu)夠(gou)或(huo)生(sheng)膠(jiao)本(ben)身(shen)乙(yi)烯(xi)基(ji)含(han)量(liang)分(fen)布(bu)不(bu)均(jun)勻(yun),使(shi)膠(jiao)料(liao)在(zai)硫(liu)化(hua)時(shi)沒(mei)有(you)達(da)到(dao)正(zheng)硫(liu)點(dian),硫(liu)化(hua)速(su)度(du)偏(pian)長(chang),硫(liu)化(hua)不(bu)充(chong)分(fen),導(dao)致(zhi)膠(jiao)料(liao)彈(dan)性(xing)不(bu)好(hao)。可(ke)以(yi)通(tong)過(guo)提(ti)高(gao)膠(jiao)料(liao)內(nei)整(zheng)體(ti)的(de)乙(yi)烯(xi)基(ji)含(han)量(liang),並(bing)在(zai)配(pei)方(fang)當(dang)中(zhong)加(jia)入(ru)適(shi)量(liang)的(de)含(han)氫(qing)矽(gui)油(you),減(jian)少(shao)填(tian)料(liao)的(de)用(yong)量(liang)提(ti)高(gao)含(han)膠(jiao)料(liao)量(liang)來(lai)解(jie)決(jue)回(hui)彈(dan)性(xing)差(cha)和(he)硫(liu)化(hua)速(su)度(du)偏(pian)慢(man)的(de)情(qing)況(kuang);也ye可ke以yi采cai用yong不bu同tong型xing號hao乙yi烯xi基ji含han量liang的de生sheng膠jiao,配pei合he少shao量liang的de高gao乙yi烯xi基ji生sheng膠jiao進jin行xing使shi用yong,控kong製zhi膠jiao料liao的de扯che斷duan變bian形xing,配pei方fang當dang中zhong要yao找zhao到dao一yi個ge更geng佳jia平ping衡heng點dian,在zai避bi免mian出chu現xian膠jiao料liao發fa脆cui的de情qing況kuang,來lai達da到dao改gai善shan膠jiao料liao彈dan性xing的de目mu的de 2、jiaoliaobenshenpiansuanxing,yeshidaozhijiaoliaohuidanxingbuhaoheliuhuasudupianmandezhongyaoyinsu。youyubaitanheibenshenpiansuanxing,jiashangjiarudejiegoukongzhijiduoshipiansuanxing,shiqijiaoliaopiansuanxing,piansuanxingdejiaoliaoduiliuhuayouyanchizuoyong,tongshinaigaowenxingnengyehuixiajiang。keyitongguojiarushidangderuojianxingwuzhilaigaishanjiaoliaodesuanxinghanliang,yibanjiaoliaode PH值在中性或偏弱堿性範圍對改善彈性和硫化速度有好處。 3、膠料內增塑劑或結構控製劑加入過多,導致的膠料回彈性不好和硫化速度偏慢;jiaoliaoneizengsujihuojiegoukongzhijijiaruguoduo,duijiaoliaoyouyanchiliuhuazuoyong,congerdaozhijiaoliaohuidanxingbianchaheliuhuasudupianman,keyixuanyongfenziliangfenbujiaozhaihedaiyouyidinghuifafendeshengjiao,gaishanjiaoliaodetuomo,congerjianshaozengsujideyongliang;用yong烷wan氧yang基ji矽gui烷wan對dui白bai炭tan黑hei表biao麵mian進jin行xing處chu理li的de,配pei合he羥qiang基ji矽gui油you進jin行xing使shi用yong,采cai用yong兩liang步bu法fa讓rang白bai炭tan黑hei分fen子zi和he生sheng膠jiao分fen子zi有you一yi定ding的de結jie合he反fan應ying時shi間jian,工gong藝yi上shang可ke以yi采cai取qu養yang生sheng,來lai減jian少shao結jie構gou控kong製zhi劑ji的de用yong量liang,達da到dao改gai善shan膠jiao料liao回hui彈dan性xing和he硫liu化hua速su度du的de目mu的de