| 摘要 |
PURPOSE: A nose pad composition for glasses for glasses is provided to provide a nose pad which is not easily torn while improving touch feeling and to be environment-friendly by not passing through a separate waste treatment process like incineration, recycling, etc by comprising biodegradable polylactic acid. CONSTITUTION: A nose pad composition for glasses for glasses comprises 1-5 parts by weight of polypropylene, 1.0-2.0 parts by weight of polylactic acid, 1.0-2.0 parts by weight of stearic acid, and 1.5-3.0 parts by weight of dry silica based on 100.0 parts by weight of an ethylene vinyl acetate, an ethylene-octene copolymer or an ethylene-butene copolymer. The nose pad composition additionally comprises 0.1-1.0 parts by weight of nano silver based on 100.0 parts by weight of the ethylene vinyl acetate, ethylene-octene copolymer or ethylene-butene copolymer. [Reference numerals] (AA) Classification; (BB) Embodiment 1; (CC) Embodiment 3; (DD) Embodiment 5; (EE) Comparative embodiment 1; (FF, LL) Apperance; (GG) Classification; (HH) Embodiment 2; (II) Embodiment 4; (JJ) Embodiment 6; (KK) Comparative embodiment 2 |
