橡胶科技
橡膠科技
상효과기
Rubber Science and Technology
2014年
6期
16-19
,共4页
梁金招%卢江荣%郭勇全%王玉峰%韩飞雪
樑金招%盧江榮%郭勇全%王玉峰%韓飛雪
량금초%로강영%곽용전%왕옥봉%한비설
四丙氟橡胶%N,N′-间苯基双马来酰亚胺%助交联剂%热稳定性%热分解温度%热分解表观活化能
四丙氟橡膠%N,N′-間苯基雙馬來酰亞胺%助交聯劑%熱穩定性%熱分解溫度%熱分解錶觀活化能
사병불상효%N,N′-간분기쌍마래선아알%조교련제%열은정성%열분해온도%열분해표관활화능
lfuororubber%N,N′-m-phenylene bismaleimide%auxiliary crosslinking agent%thermal stability%thermal decomposition temperature%activation energy
用N，N′-间苯基双马来酰亚胺（MPBM）作助交联剂、过氧化二异丙苯作硫化剂制备四丙氟橡胶胶料，用热重法研究MPBM对四丙氟橡胶胶料热稳定性能的影响。结果表明：与未添加MPBM的胶料相比，添加MPBM胶料的热分解温度提高，热分解表观活化能（E）增大；随着MPBM用量增大，胶料的热分解温度增幅减小或热分解温度趋于稳定，热分解表观活化能先增大后减小；MPBM能提高胶料的热稳定性，当MPBM用量为10份时，胶料热稳定性能最好。
用N，N′-間苯基雙馬來酰亞胺（MPBM）作助交聯劑、過氧化二異丙苯作硫化劑製備四丙氟橡膠膠料，用熱重法研究MPBM對四丙氟橡膠膠料熱穩定性能的影響。結果錶明：與未添加MPBM的膠料相比，添加MPBM膠料的熱分解溫度提高，熱分解錶觀活化能（E）增大；隨著MPBM用量增大，膠料的熱分解溫度增幅減小或熱分解溫度趨于穩定，熱分解錶觀活化能先增大後減小；MPBM能提高膠料的熱穩定性，噹MPBM用量為10份時，膠料熱穩定性能最好。
용N，N′-간분기쌍마래선아알（MPBM）작조교련제、과양화이이병분작류화제제비사병불상효효료，용열중법연구MPBM대사병불상효효료열은정성능적영향。결과표명：여미첨가MPBM적효료상비，첨가MPBM효료적열분해온도제고，열분해표관활화능（E）증대；수착MPBM용량증대，효료적열분해온도증폭감소혹열분해온도추우은정，열분해표관활화능선증대후감소；MPBM능제고효료적열은정성，당MPBM용량위10빈시，효료열은정성능최호。
The lfuororubber based on copolymer of tetralfuoroethylene and propylene was cured by curing agent dicumyl peroxide and auxiliary crosslinking agent N, N′-m-phenyl bismaleimide (MPBM), and the thermal stability of the vulcanizate was studied by thermalgravimetric analysis method. The experimental results showed that, with MPBM, the thermal decomposition temperature and activation energy of the lfuororubber vulcanizate increased. With the increase of MPBM amount, the increase of the decomposition temperature slowed down and it approached a plateau value;meanwhile, the activation energy increased at ifrst and then decreased. The optimum addition level of MPBM was 10 phr.
