The present invention relates to a sulfur-containing polyureaurethane and a method of preparing said polyureaurethane. In an embodiment, the sulfur-containing polyureaurethane adapted to have a refractive index of at least 1.57,an Abbe number of at least 32 and a density of less than 1.3 grams/cm<SUP>3</SUP>, when at least partially cured.
申请公布号
WO2006130339(A1)
申请公布日期
2006.12.07
申请号
WO2006US18889
申请日期
2006.05.15
申请人
PPG INDUSTRIES OHIO, INC.
发明人
BOJKOVA, NINA V.;SMITH, DR. ROBERT A.;HEROLD, ROBERT D.;RAO, CHANDRA B.;MCDONALD, WILLIAM H.;NAGPAL, VIDHU J.;GRAHAM, MARVIN J.;YU, PHILLIP C.;SAWANT, SURESH G.;OKOROAFOR, DR. MICHAEL O.
