Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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Polymerization and Physical Property Assessment of Optical Lens Materials Containing Amide Group

  • Lee, Min-Jae (Department of Optometry & Vision Science, Catholic University of Daegu) ;
  • Sung, A-Young (Department of Optometry & Vision Science, Catholic University of Daegu)
  • Received : 2017.08.22
  • Accepted : 2018.01.16
  • Published : 2018.04.20
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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% & $13.003{\sim}18.468{\times}10^{-11}(cm^2/sec)$($mlO_2/ml{\times}mmHg$) and 36.28~44.95% & $12.270{\sim}16.883{\times}10^{-11}(cm^2/sec)$ ($mlO_2/ml{\times}mmHg$), 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.

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References

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