Disclosed are embodiments of polymer compositions and systems that contain antimicrobial and wavelength-shifting metal nanoparticles. The polymer compositions containing metal nanoparticles protect exposed materials from UV radiation. The polymer compositions containing metal nanoparticles down convert incoming UV light to light that may have a longer wavelength. Unexpectedly, by selecting at least two differently configured nanoparticle components (e.g., different in size, shape, or both), each with specific particle size distribution, it is possible to effectively protect an area from damage resulting from exposure to UV radiation. In addition, spherical silver nanoparticles do not cause bacteria to become resistant as do convention silver nanoparticles made by chemical synthesis. Polymer compositions can be made from thermoplastic and thermoset materials.
- 출원번호 : 18942231
- 출원인 : Niedermeyer, William H.
- 특허번호 :
- IPC : C08J-003/12(2006.01);C08J-003/20(2006.01);C08K-003/08(2006.01);C08K-007/18(2006.01);