Title: Material for increasing absorptive red light of anti-halo dye and its preparing method
Application Number: 200510107308 Application Date: 2005.12.23
Publication Number: 1987641 Publication Date: 2007.06.27
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G03C1/74;G03C1/00
Applicant(s) Name: No.2 Film Factory, Lucky Gorup Address:
Inventor(s) Name: Wang Xiaoyang;Wang Ruiqiang;Jiang Wenpan;An Zhongj
Attorney & Agent: huopan wei
Abstract:
    The disclosed material for enhancing backing dye to absorb red light is prepared from following raw materials: backing dye of absorbing red light (BD), amphoteric surfactant of containing -NH- structure (AS), and water. According to percent by weight, BD is 0.1 - 0.2 portions, AS is 0.1 - 0.8 portions, and water 90 - 97 portions. The weight ratio between BD and AS is 1 : 4 - 1 : 1. Possessing good effect, the invention reduces dosage of backing dye, but does not weaken effect of non-halation.
Time: 8