防晒剂BEMT和MBBT的协同增效作用及机理研究  

Study on synergistic effect and mechanism of sunscreen BEMT and MBBT

作　　者：陈郁璇 杨允芸 CHEN Yu-xuan;YANG Yun-yun(JALA Group Co.,Shanghai 200233,China)

机构地区：[1]伽蓝(集团)股份有限公司,上海200233

出　　处：《日用化学品科学》2021年第9期25-30,54,共7页Detergent & Cosmetics

摘　　要：研究化学防晒剂双-乙基己氧苯酚甲氧苯基三嗪(BEMT)和亚甲基双-苯并三唑基四甲基丁基酚(MBBT)复配带来的协同增效作用及机理。紫外结果表明,受溶剂极性影响,BEMT、MBBT的吸收峰有移动,且BEMT在半极性溶剂乙醇中的紫外吸收低于非极性溶剂异辛烷,复配MBBT可以基本消除溶剂极性对BEMT的影响。在只含BEMT的防晒样品中,分别选择3种常用但不同极性的油脂,体外SPF结果表明,SPF值随油脂极性的增强而升高,复配MBBT可以消除油脂极性的影响。通过水相和油相防晒剂复配,可显著提高防晒剂的防晒效率。The synergistic effect and mechanism of two chemical sunscreens,BEMT and MBBT,have been studied.UV absorption spectrum study suggests that the UV absorption peaks of BEMT and MBBT shift when the polarities of solvents varied.In ethanol(a typical semi-polar solvent),the UV absorption capacity of BEMT is reduced compared to its capacity in a non-polar solvent of isooctane.While the addition of MBBT can offset the impact of solvent polarity.In terms of the emulsions with BEMT as the only sunscreen agent,in vitro test indicates that SPF is increased with the solvent polarity,and the addition of MBBT can offset this impact.Sunscreen efficiency can be significantly enhanced via combining water-phase and oil-phase sunscreen agents.

关 键 词：化学防晒 双-乙基己氧苯酚甲氧苯基三嗪 亚甲基双-苯并三唑基四甲基丁基酚 协同增效 

分 类 号：TQ658[化学工程—精细化工]