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:
Nov. 19, 2024
Filed:
Oct. 08, 2021
Applicant:
Shandong Eton New Material Co., Ltd., Tai'an, CN;
Inventors:
Assignee:
SHANDONG ETON NEW MATERIAL CO., LTD., Tai'an, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08B 37/00 (2006.01); C08B 37/08 (2006.01); C09J 101/26 (2006.01);
U.S. Cl.
CPC ...
C08B 37/003 (2013.01); C09J 101/26 (2013.01);
Abstract
The disclosure provides a modified chitosan, a preparation method thereof, and an additive for a tile adhesive, and belongs to the technical field of building additives. In the disclosure, chitosan, an inorganic base, a dispersant having a hydroxyl group and an etherifying agent are added at one time, avoiding the tedious operation of adding inorganic alkali or etherifying agent multiple times. In addition, the etherification reaction is continuously performed under the conditions of gradual temperature increase and pressure increase.