蓖麻油属于不干性油,直接应用于涂料工业有一定难度.为降低涂料成本,研究了用改性蓖麻油、环氧树脂UVR6100和光引发剂UVI6990合成新型紫外光固化涂料的工艺.通过改变反应条件,用正交试验法研究了温度、反应时间、催化剂用量对改性蓖麻油合成的影响,得出适宜的合成条件为:反应温度200 ℃,催化剂用量质量分数1.5%,反应时间100～120 min,并对所合成的紫外光固体涂料的光泽、硬度、附着力及柔韧性进行了测试.结果表明,当改性脱水蓖麻油含量在20%～40%时,新工艺制备的涂料具有优异的耐候性、耐热性、耐腐蚀和耐化学性;本技术开辟了蓖麻油新的利用途径,研制的涂料具有良好的经济效益.
参考文献
| [1] | Jung T.;Valet A. .Scratch resistance and weatherfastness of UV-curable clearcoats[J].Macromolecular symposia,2002(0):531-542. |
| [2] | Andrei A.Stolov;Tao Xie;Jacques Penelle;Shaw L.Hsu .Stress buildup in ultraviolet-cured coatings:sample thickness dependence[J].Macromolecules,2001(9):2865-2869. |
| [3] | Schwalm R.;Reich W.;Beck E.;Enenkel P.;Menzel K.;Haussling L. .TUNING THE MECHANICAL PROPERTIES OF UV COATINGS TOWARDS HARD AND FLEXIBLE SYSTEMS[J].Progress in Organic Coatings: An International Review Journal,1997(1/4):191-196. |
| [4] | Visconti M.;Cattaneo M. .A highly efficient photoinitiator for water-borne UV-curable systems[J].Progress in Organic Coatings: An International Review Journal,2000(1/4):243-251. |
| [5] | Rosli WDW.;Kumar RN.;Zah SM.;Hilmi MM. .UV radiation curing of epoxidized palm oil-cyclo aliphatic diepoxide system induced by cationic photoinitiators for surface coatings[J].European Polymer Journal,2003(3):593-600. |
| [6] | TrevinoAS;Trumbo D L .Acetoacetylated castor oil in coatings applications[J].Progress in Organic Coatings,2002,44(01):49-54. |
| [7] | O.S. Kabasakal;F.S. Guener;A.T. Erciyes;Y. Yagci .Styrenation of Oils Based on Secondary Esters of Castor Oil[J].JCT,1995(841):47-51. |
| [8] | Thames SF.;Subramanian R.;Yu HB. .Cationic ultraviolet curable coatings from castor oil[J].Journal of Applied Polymer Science,2000(1):8-13. |
| [9] | 谢文磊.蓖麻油催化脱水的研究[J].中国油脂,2001(03):40-41. |
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