The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 04, 2017
Filed:
Nov. 28, 2014
South China University of Technology, Guangzhou, Guangdong, CN;
Xueqing Qiu, Guangzhou, CN;
Dongjie Yang, Guangzhou, CN;
Wenyuan Guo, Guangzhou, CN;
Mingsong Zhou, Guangzhou, CN;
Jinhao Huang, Guangzhou, CN;
Conghua Yi, Guangzhou, CN;
Yuan Li, Guangzhou, CN;
SOUTH CHINA UNIVERSITY OF TECHNOLOGY, Guangzhou, CN;
Abstract
The preparation method includes: adding an activating agent into a basic alkaline lignin solution first, then adding a carboxylating agent and reacting to obtain a carboxylated alkaline lignin; dissolving a phosphorylating agent into water, adding epichlorohydrin, and reacting to obtain a hydroxyl phosphate type compound; mixing the carboxylated alkaline lignin and the hydroxyl phosphate type compound and reacting to obtain a lignin type polymer; adding an inorganic nanoparticle suspension into the lignin type polymer and adding an acid for codeposition to obtain the product after aging and drying.