Patent · US Active

Cement-based cementitious material and its formation method

US11492297B2 · kind B2 · utility

0Cited by

4References

18Claims

0Family size

Assignee

National Taiwan University of Science and Technology · TW

Inventors

Chun-Tao Chen · Taipei, TW
Yue Wang · Shandong, CN

Key dates

Filing date	Sep 24, 2019
Grant date	Nov 8, 2022
Priority date	—
Expiry date	Jun 30, 2040

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W30/91
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A method for forming cement-based cementitious material includes: pouring a cement paste into a mold; applying an electrical current to the cement paste to perform an electro-osmotic reaction; and transferring the reacted cement paste into a water tank for curing, thereby obtaining a functionally graded cement-based cementitious material. A pair of electrodes is placed in the mold and connected to an external power source. The compressive strength of the functionally graded cement-based cementitious material in the middle is lower than that at either of both ends.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.