PHOTOCHROMIC OPTICAL ARTICLE HAVING ALLOPHANATE PROTECTIVE COATING AND PROCESS FOR MAKING SAME
摘要
A photochromic optical article is provided, which includes: an optical substrate; a photochromic layer over a surface of the optical substrate, wherein the photochromic layer includes a photochromic compound; and a protective layer over the photochromic layer, wherein the protective layer includes a matrix that includes residues of an ethylenically unsaturated radically polymerizable material that includes at least one allophanate group. A method of forming the photochromic optical article is also provided.
申请公布号
CA2925541(A1)
申请公布日期
2015.04.16
申请号
CA20142925541
申请日期
2014.10.03
申请人
TRANSITIONS OPTICAL, INC.
发明人
TURPEN, JOSEPH DAVID;KUTCHKO, CYNTHIA;OWENS, GLEN TODD;LAHSANGAH, VITAWAT;KOENIG, JERRY L., II