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3D-PRINTING OF ULTRA-HIGH REFRACTIVE INDEX POLYMERS
专利权人:
ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIVERSITY OF ARIZONA
发明人:
Dong-Chul Pyun,Rongguang Liang
申请号:
US15857273
公开号:
US20180105649A1
申请日:
2017.12.28
申请国别(地区):
US
年份:
2018
代理人:
摘要:
Sulfur copolymers having high sulfur content for use as raw materials in 3D printing. The sulfur copolymers are prepared by melting and copolymerizing one or more comonomers with cyclic selenium sulfide, elemental sulfur, elemental selenium, or a combination thereof. Optical substrates, such as films and lenses, are constructed from the sulfur copolymer via 3D printing and are substantially transparent in the visible and infrared spectrum. The optical substrates can have refractive indices of about 1.75-2.6 at a wavelength in a range of about 500 nm to about 8 μm.
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