汽车用阻尼密封胶的研制-武汉理工大学学报.PDF

28 9 武 汉 理 工 大 学 学 报 Vol. 28 No. 9 2006 9 JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY Sep . 2006 秦 岩, 刘海华, 彭家顺 ( , 430070) : 在普通汽车用PV C 塑溶胶的基础上, 利用氯乙烯醋酸乙烯共聚糊树脂( P VCA c) 对塑溶胶进行改性, 获得 在室温约20~ 100 较宽温域内具有较好阻尼性能的密封胶介绍 密封胶的高分子基体材料的组成增塑剂用量填 料用量增粘剂的选择及其用量对密封胶性能的影响 : PVC/ P VCAc; 阻尼; 密封胶 : T Q 4 33 . 4 : A : 167144 31( 2006) The Preparation of Automo ile Damping Sealant QIN Yan, L I U H a ih ua , PEN G J iashun ( Schoo l o M aterials Science and Engineering, Wuhan U niversity o T echnolo gy, Wuhan 4 30070, China) A stract: A automobile sealant , w ith ex cellent damping property in quite a w ide temperature range rom 20 to 100 , w as derived rom the modi icatio n o P VC plastic sol, on the basis o general automobile PV C plastic so l. T he in luences o prop er ties o the sealant system , w hich w er e caused by t he composition o po lymer matrix o the sealant system , iller dosag e, selectio n o some anchoring agents and their dosage, plasticizer dosag e, w ere discussed. Key words: PV C/ PV CAc; damping; sealant 20 40 , 20 60 , , 20 80 , ( ) , , , , , , 20 70 , PV C ( ) PV C P V C , , , , PV C PV CA c 2 , [ 1] , , 1 [ 26] 1) PV C ; ( PV CA c) ; CaCO ; CaCO 3 3 ; ( ) ; ( ) , 2) ; ; Pekin Elmer DMA ; ; 3) ( PV C+ PV CA c) : 30% ~ 35% , PV C PV CA c ; ( :. : ( 1967) , , . Email: qinrock@ sina. com 28 9 , : 31 ) : 20% ~ 30% ; CaCO : 40% ~ 50% ( CaCO CaCO ) ; : 3 3 3