A method of marking substrates and marked containers are disclosed. A method comprises the steps of applying and curing a coating composition comprising (a) a matrix forming material comprising an inorganic oxide or inorganic oxide precursor, and (b) an organic pore forming agent. The marking is provided by removing at least a portion of the organic pore forming agent in a selected location of the coating layer. The marking may be provided on a container with a product or heat-sensitive product inside. Additional embodiments relate to multi-layer coatings and methods for forming multi-layer coatings.
本发明公开了一种标记基质和标记容器的方法。该方法包括以下步骤:涂敷和固化涂层组合物,该涂层组合物包括 (a) 由无机
氧化物或无机
氧化物前体组成的基质形成材料,以及 (b) 有机孔隙形成剂。标记是通过去除涂层选定位置上的至少一部分有机孔隙形成剂来实现的。标记可以打在装有产品或热敏产品的容器上。其他实施例涉及多层涂层和形成多层涂层的方法。