Arylheterocycle substituted naphthopyran-type photochromic compound and its preparing process and usage

Application Number: 00108072
Application Date: 2000.06.12
Publication Number: 1328108
Publication Date: 2001.12.26
Priority Information:
International: C08J5/18;C09D11/00;C09K9/02
Applicant(s) Name: Inst of Photosensitive Chemistry, Chinese Academy of Sciences
Inventor(s) Name: Fan Meigong;Wei Jingqiang;Zhu Aiping
Patent Agency Code: 31002
Patent Agent: li bai
Abstract A photochromic compound is prepared through cyclization reaction between beta-naphthol and propynol derivative. Said propynol derivative is prepared through raction between diaryl ketone and sodium (or lithium) acetylide. Said photochromic compound has the advantages of high colour light density and slow attenuation speed, and can be used for photochromic ink, plastic film, and glasses or display material.