Patents by Inventor Xindong ZHANG

Xindong ZHANG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Room temperature curable quick-setting high-strength alkali-activated fly ash cementitious material and preparation method thereof
    Patent number: 11834381
    Abstract: Disclosed are a room temperature curable quick-setting high-strength alkali-activated fly ash (AAFA) cementitious material and a preparation method thereof, belonging to the technical field of building materials. The raw materials include: in parts by mass, 30-50 parts of undisturbed fly ash, 50-70 parts of highly reactive ultra-fine fly ash, and 12-18 parts of sodium hydroxide. Specifically, the AAFA with fast setting and high strength for room temperature curing is prepared by pretreatment of fly ash with sodium hydroxide exciter, based on a premise that the raw material system and preparation process are simplified and feasible.
    Type: Grant
    Filed: February 28, 2023
    Date of Patent: December 5, 2023
    Assignee: XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
    Inventors: Hui Li, Huimei Zhu, Yuwen Zhang, Xindong Zhang, Chen Yu, Jia'ni Chen
  • ROOM TEMPERATURE CURABLE QUICK-SETTING HIGH-STRENGTH ALKALI-ACTIVATED FLY ASH CEMENTITIOUS MATERIAL AND PREPARATION METHOD THEREOF
    Publication number: 20230278920
    Abstract: Disclosed are a room temperature curable quick-setting high-strength alkali-activated fly ash (AAFA) cementitious material and a preparation method thereof, belonging to the technical field of building materials. The raw materials include: in parts by mass, 30-50 parts of undisturbed fly ash, 50-70 parts of highly reactive ultra-fine fly ash, and 12-18 parts of sodium hydroxide. Specifically, the AAFA with fast setting and high strength for room temperature curing is prepared by pretreatment of fly ash with sodium hydroxide exciter, based on a premise that the raw material system and preparation process are simplified and feasible.
    Type: Application
    Filed: February 28, 2023
    Publication date: September 7, 2023
    Inventors: Hui LI, Huimei ZHU, Yuwen ZHANG, Xindong ZHANG, Chen YU, Jia'ni CHEN