金属基体上铝溶胶涂层制备.pdfVIP

25 4 2004 4 Vol. 25 No. 4 Chinese Journal of Catalysis April 2004 : 0253-9837(2004)04-0283-06 : 283~ 288 1, 2 1 1 杨立英 , 李成岳 , 刘 辉 ( 1 北京化工大学可控化学反应科学与技术基础教育部重点实验 , 北京 100029; 2 北京服装学院材料工程系, 北京 100029) : , HNO , . , 3 HNO . 41 5% ~ 51 5% 3 + [ H ]/ [AlOOH] = 0108~ 011( ) , ( [ 1913 nm) , ( 411~ 53 nm) . . , , , , ; . , , . : , , , , : O643 : A Preparation of Pseudobohemite Coating on Metal Substrate YANG Liying 1, 2, L I Chengyue1* , L IU Hui1 (1 Key Laboratory of Science and Technology of Controllable Chemical Reactions of Ministry of Education, Beij ing niversity of Chemical Technology, Beij ing 100029, China; 2 Dep artment of Material Engineering, Beij ing Institute of Clothing Technology, Beij ing 100029, China) Abstract: Pseu obohemite colloi use as the coating of monolithic metal substrate w as prepare , an the effect of preparation con itions on the properties of colloi as well as the metho of colloi coating w as stu ie . The re- sults in icate that the content of AlOOH an aci ity of colloi solution are the key factors for colloi preparation w hich greatly affect the particle size, size istribution an stability of the colloi . When the AlOOH content was + 415% ~ 515% an [H ] / [ AlOOH] w as 0108~ 011 ( mole ratio) , a stable colloi w ith small size an narrower size istribution w as obtaine , an it can be effectively use for coating the metam substrate. Besi es the content of AlOOH c