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    • 5. 发明申请
    • Autoxidisable architectural coating compositions
    • 可自动氧化的建筑涂料组合物
    • US20050043426A1
    • 2005-02-24
    • US10938771
    • 2004-09-10
    • Philip Taylor
    • Philip Taylor
    • C08K5/00C08K5/08C08K5/098C08K5/5397C09D167/08C08G2/00
    • C09D167/08C08K5/0025C08K5/08C08K5/098C08K5/5397
    • An autoxidisable architectural coating composition suitable for application to surfaces found in and around buildings at ambient temperatures and in natural daylight by unsophisticated users having no respiratory protection wherein surface autoxidation of the composition is promoted by a combination of low concentrations of metal ions (especially manganese or vanadium) and at least one photoinitiator. The composition avoids the need to use more than trace amounts cobalt ions which are rumoured to be carcinogenic yet achieves adequately fast rates of autoxidation. Preferably the use of cobalt is avoided altogether. The use of the low concentrations of the other metal ions reduces discolouration of the compositions often to levels below what is achieved using conventional cobalt promoters. It also improves gloss. Also a modification in which surface autoxidation is promoted by a combination of a photoinitiator and trace amounts of cobalt ions in the absence of other surface autoxidation promoting metal ions. Finally, a method for applying the autoxidisable coatings to surfaces under ambient temperatures in which they are subjected to natural daylight or similar low energy irradiation.
    • 适用于在环境温度和自然采光下发现在建筑物周围和周围的表面的自动氧化建筑涂料组合物,由不具有呼吸保护作用的不成熟使用者组成,其中表面自氧化组合物通过低浓度金属离子(特别是锰或 钒)和至少一种光引发剂。 该组合物避免需要使用超过痕量的钴离子,这些钴离子被传播为致癌性,但是达到足够快的自动氧化速率。 优选避免使用钴。 使用低浓度的其它金属离子可使组合物的变色通常降至低于使用常规钴助催化剂所达到的水平。 它也提高光泽度。 还有在没有其它表面自氧化促进金属离子的情况下,通过光引发剂和痕量钴离子的组合促进表面自氧化的修改。 最后,一种将可自动氧化涂层施加在环境温度下经受自然日光或类似低能辐照的表面的方法。