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Polymerization and Physical Property Assessment of Optical Lens Materials Containing Amide Group

대한화학회지 2018년 62권 2호 p.113 ~ 117
 ( Lee Min-Jae ) - Catholic University of Daegu Department of Optometry and Vision Science

 ( Sung A-Young ) - Catholic University of Daegu Department of Optometry and Vision Science

Abstract


The basic hydrogel lens with addition of N,N-dimethylacrylamide (DMA) and N-methyl-N-vinylacetamide (NMV) were manufactured. The optical and physical characteristics of ophthalmic lens were evaluated by measuring water content, oxygen permeability (Dk), refractive index and optical transmittance. The water content & oxygen permeability (Dk) of sample containing Ref., DMA group and NMV group was in the average of 34.48%, 35.54~49.19% & 13.003~18.468 × 10?11 (cm2/sec)(mlO2/ml×mmHg) and 36.28~44.95% & 12.270~16.883 × 10?11 (cm2/sec) (mlO2/ml×mmHg), respectively. And also, refractive index of the sample containing Ref., DMA group and NMV group was in the average of 1.4350, 1.4330~1.4131 and 1.4335~1.4195, respectively. Standard hydrogel monomer containing DMA and NMV was expected to be used usefully as a material for fabricating hydrophilic functional ophthalmic lens.

키워드

Water content; Oxygen permeability; N,N-dimethylacrylamide; N-methyl-N-vinylacetamide
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