Preparation method of special titanium dioxide for decorative paper

• Main Authors: GAN WENJUN, LIU JIA, YU HUI, YUAN LIJUN, LUO JING
• Format: Patent
• Language: Chinese; English
• Published: 10.11.2023
• Subjects: ADHESIVES; CHEMISTRY; DYES; IMPREGNATING OR COATING OF PAPER; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PAPER NOT OTHERWISE PROVIDED FOR; PAPER-MAKING; POLISHES; PREPARATION OF CARBON BLACK; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; PRODUCTION OF CELLULOSE; PULP COMPOSITIONS; TEXTILES; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES

The invention belongs to the field of chemical engineering, and particularly relates to a preparation method of special titanium dioxide for decorative paper, which comprises the following steps: a, carrying out inorganic coating and organic coating on the surfaces of titanium dioxide particles to obtain a coated sample; b, carrying out silane coupling agent modification on the coated sample to obtain a modified sample; and c, carrying out post-treatment on the modified sample to prepare the special titanium dioxide for the decorative paper. The special titanium dioxide for the decorative paper prepared by the method has excellent whiteness, covering power and light resistance, the product performance reaches the level of foreign like products, and the special titanium dioxide has certain industrial application value, can be used in the fields of laminated paper and decorative paper, and can replace or partially replace foreign products. 本发明属于化工领域，尤其涉及一种装饰纸专用钛白粉的制备方法，其包括：a.对二氧化钛颗粒表面进行无机包覆和有机包覆，得到包覆后的样品；b.对所述包