风机叶片用环氧树脂的固化动力学研究.pdf

»39 »7ù2011M7Änullýnullnull˜null‹nullN EW CH EM ICAL M A T ERIA L SV olnull 39 N onull 7null 107nullÁ[":ö8 S/79Ã( 2009101004)T€eº:f4•( 1987- ) ,3,«V,ö1VY¯†‹î˜ý\ùîbó"¦:>ð]( 1970- ) ,o,qb7?‹¨„=˨̎«¥%Äî ïÐùî张null 旸1, 2 null 张彦飞1, 2 null 郑null 澎1, 2 null 刘亚青1, 2* null 李永彦3( 1.中北大学山西省高分子复合材料工程技术研究中心, 太原 030051;2.中北大学材料科学与工程学院,太原 030051;3.晋西工业集团有限责任公司技术部,太原 030027)Knull1null 通过动态DSC(差示扫描量热法)研究了佳发 JHnull239a惠利L Tnull5078A 等两种风机叶片用环氧树脂的固化动力学特征温度,并采用 K issing eraCrane 法确定它们的固化动力学参数b结果表明: 佳发树脂体系的表观活化能为40null 60 kJ/ mol,惠利树脂体系的表观活化能为 45null 91kJ/ mol, 而二者的反应级数分别为0null 8592和0null 8730, 近似于一级反应b最后根据A rr henius方程得到各自的指前因子及其固化动力学模型, 并与一种国外成熟的叶片用树脂体系(亨斯迈树脂)进行比较, 结果表明三者的动力学性能较为接近b1oMnull 风机叶片,环氧树脂, 固化动力学Study on curing kinetics of epoxy resin used for wind turbine bladesZhang Yang 1, 2 null Zhang Yanfei1, 2 null Zheng Peng 1, 2 null Liu Yaqing1, 2 null Li Yongyan3( 1. T he Research Center fo r Engineering Technolog y o f Po lymeric Composites of Shanx i Pro vince,Nor th Univer sity o f China, T aiy uan 030051;2. Colleg e of M aterial Science and Engineering, North U niv ersity o f China, T aiy uan 030051;3. T echno logy Depar tm ent o f Jinx i M achine Industry Group Ltd. , T aiyuan 030027)Abstractnull T he curing kinetics character istic temper atur es of the tw o epox y resins ( Jiafa JHnull239 and H uili L T -5078A) used for w ind turbine blades w ere investig ated by DSC ( Dynamic Stability Co nt rol) , and the curing kinetic par amenullter s were determined with the methods of K issinger and Crane. T he results show ed that the appar ent activatio n ener gy ofJiafa resin system was 40. 60 kJ/ mol, that of H uili r esin system w as 45. 91 kJ/ mo l, the reaction o rder of the two wer e r enullspect ively 0null 8592 and 0null 8730, and t his w as similar to fir st o rder r eact ion. F inally, the pr enullexponent ial facto rs and cur ingkinetics mo dels o f each system w ere obtained acco rding to Ar rhenius equat ion, then a co mpar ison was made w ith an overnullsea mature r esin sy stem ( Huntsman r esin) used for wind turbine blades, and the r esults sho wed that the dynamic char acnullter istics of the three systems w ere quite close to each o ther.Key wordsnull wind turbine blade, epo xy resin, curing kineticnull nullÛ"W¸?÷²¥°mø×,Ù¿3ÿÌâ¥1p°m4Ú,?Z V3?÷Xî¹’-W¸¥]t]b„?T¹BÕ V3?÷,sƒ;Ü.ÌŽ«[ M ] .Ø:ÄÐýÍÒ,>ÝÜ,©.˜A¿ŸpA˜ÌŽ«¥Å!#%ÄQ‹î ïÐùî[ J] .Äý˜‹, 2010, 38( 5) : 53null55.(下转第125页)null109null»7ùŒnullc:íXE—4W&=p(=&)Ö
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