Described herein are inks and coating compositions comprising semiconductor metal oxides and composites thereof, which are natural environmentally sustainable materials that may be recycled and/or reused indefinitely. Semiconductor metal oxides offer an alternative to relatively more toxic, non-sustainable, photo and heat-degrading, migrating traditional photoinitiator agents used in actinic radiation curable compositions. The semiconductor metal oxides and composites thereof absorb visible or UV-light as photocatalysts and/or semiconductors, or absorb electron beam radiation, forming radicals for radical events as polymerization reactions and color enhancement events.
本文描述的是包含半导体金属氧化物及其复合材料的油墨和涂料组合物,它们是可无限循环和/或重复使用的天然环境可持续材料。半导体金属氧化物可替代光辐射固化组合物中使用的毒性相对较高、不可持续、光和热降解、迁移的传统光
引发剂。半导体金属氧化物及其复合材料作为光催化剂和/或半导体吸收可见光或紫外线,或吸收电子束辐射,形成自由基,用于聚合反应和增色反应。