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由氧化剂、重铬酸钾及促进剂六次甲基四按改性聚乙烯醇产生的铬合胶(简称铬胶)除可用于生产耐水性强、沉淀少的普通建筑涂料及木制品的粘接剂外,加入固化剂、颜料等助剂,可生产水溶性有光耐擦洗建筑涂料,适用于建筑物及木质基层的装饰,与聚丙烯酸酯等有光乳胶漆配合应用,效果更佳。因其原料易得、生产工艺简便、价廉、装饰效果好,故有一定的生产应用价值,对节约能源,促进我国低档涂料的发展有一定的意义。一、原料生产配方及性能 1.配方:见表1、表2。
The chromate glue (chromium gel) produced by the hexamethylene tetrakisole modified polyvinyl alcohol by the oxidant, potassium dichromate and the promoter can be used for producing ordinary building coatings and wood products with strong water resistance and less precipitation. In addition to additives, curing agents, pigments and other additives can be added to produce water-soluble light-resistant scrub-resistant architectural coatings. They are suitable for decoration of buildings and wood bases, and are used in combination with polyacrylate and other glossy latex paints for better results. Because of its easy access to raw materials, simple production process, low cost, good decorative effect, it has a certain value of production and application, and it has certain significance for saving energy and promoting the development of low-grade coatings in China. First, raw material production formula and performance 1. Formulation: see Table 1, Table 2.