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Synthesis and Application for Ophthalmic Material of Polydimethylsiloxanewith Methacrylate Endgroup
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 Title & Authors
Synthesis and Application for Ophthalmic Material of Polydimethylsiloxanewith Methacrylate Endgroup
Ye, Ki-Hun; Sung, A-Young;
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 Abstract
Polydimethylsiloxane (PDMS) with methacrylate endgroup is used as contact lens material with elasticity and high oxygen permeability. PDMS prepolymer with methacrylate endgroup was prepared by reacting PDMS (polydimethylsiloxane) with HEMA (2-hydroxyethyl methacrylate). The HEMA-substituted PDMS prepolymer was then copolymerized using AIBN (azobisisobutyronitrile) with BMA (butyl methacrylate; to increase elasticity and flexibility). The water content, oxygen permeability, and visible-ray transmissibility of the resulting polymer were measured to be 23%, 83% and Dk/t > 50, indicating that the copolymer can be used as a good contact lens material.
 Keywords
Silicone;Gas permeability;Water content;
 Language
Korean
 Cited by
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