以过氧化二苯甲酰(BPO)为引发剂,N-乙烯基吡咯烷酮(NVP)和甲基丙烯酸β-羟乙酯(HEMA)在一定温度下共聚得水凝胶,可作为软性角膜接触镜材料.实验发现,随NVP含量的增大,水凝胶的含水量越大,透氧性增大,水凝胶材料的透氧率(Dk/L)的倒数与其厚度成正比.并自行设计了一套角膜接触镜材料透氧性能的测试装置.
参考文献
| [1] | 温建业,孙以实.N-乙烯基吡咯烷酮-甲基丙烯酸β羟乙酯共聚反应研究[J].高分子材料科学与工程,1989(01):20-26. |
| [2] | Fonn D;Situ P;Simpson T .Hydrogel lens dehydration and subjective comfort and dryness ratings in symptomatic and asymptomatic contact lens wearers[J].Optometry and Vision Science,1999,76(10):700-704. |
| [3] | 王建华,Desmond Fonn,Renee Du Toit.氧气与角膜接触镜配戴[J].眼视光学杂志,1999(03):189. |
| [4] | John Schachet,John L. Schachet,OD, Lee E. Rigel,OD, Kevin M. Reeder,OD, Thomans M. Hixson,OD, David W. Hansen,OD, Susan Connelly, FCLSA.Dk值和RGP镜片性能关系的再思考[J].眼视光学杂志,2000(02):69-71. |
| [5] | Mirejovsky D;Archana S.Water properties of hydrogel contact lens materials:a possible predictive model for corneal desiccation staining[J].Biomaterials,1993(14):1080-1087. |
| [6] | 薛巍;刘彦;杨治中.聚甲基丙烯酸β-羟乙酯-N-乙烯基吡咯烷酮-苯乙烯三元共聚体系研究[J].高分子材料,1992:4-9. |
| [7] | Compan V;Guzman J;Riande E .A potentiostatic study of oxygen transmissibility and permeability through hydrogel membranes.[J].Biomaterials,1998(23):2139-2145. |
| [8] | Yuichi Hirata;Yutaka Miura;Satoshi Tanaka;Tsutomu Nakagawa .Synthesis and hydration properties of copolymers having sugar side chains and their oxygen permeability in the wet state[J].Journal of Membrane Science,2000(1):21-30. |
| [9] | 陆学红;程行;孙以实.共聚水凝胶溶涨特性的研究[J].高分子学报,1987(01):69-74. |
| [10] | 谢培英.角膜接触镜[M].北京:人民卫生出版社,1998:243-263. |
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