Abstract: A core-shell nanoparticle and a method for producing the core-shell nanoparticle are disclosed. The core-shell nanoparticle is suitable for early strength development of concrete, which can adjust the size of the core-shell nanoparticle according to the particle size of colloidal metal oxide and can be used as an early strength agent to accelerate early strength development of concrete.
Type:
Application
Filed:
September 15, 2022
Publication date:
April 10, 2025
Applicant:
SILKROAD C&T CO., LTD.
Inventors:
Jung Sun KIM, Su II KIM, Bo Chan SEO, Kwang Hoon SONG
Abstract: A nanoparticle suitable for early strength development of concrete and a method for producing the same are disclosed. Composition containing the nanoparticles is also disclosed. The nanoparticle can be produced by a co-precipitation process, and have different early strength enhancing effects. Thus, the nanoparticle and the composition containing the nanoparticle can be used as an early strength agent for accelerating early strength development of concrete.
Type:
Application
Filed:
September 15, 2022
Publication date:
October 17, 2024
Applicant:
SILKROAD C&T CO., LTD.
Inventors:
Jung Sun KIM, Su II KIM, Bo Chan SEO, Kwang Hoon SONG
Abstract: A method of preparing an admixture for a plasterboard is disclosed. An admixture prepared by the method and a composition for forming a plasterboard containing the admixture are also disclosed. The method includes sulfonation of polystyrene using sulfuric acid to give an admixture including a sulfonated polystyrene (SPS)-based compound of formula 1 below.
Type:
Application
Filed:
May 11, 2020
Publication date:
July 21, 2022
Applicant:
SILKROAD C&T
Inventors:
Young Gil JU, Dae Jin KIM, Min Jae LEE, Ju Hwan KIM, Cheol Yong CHA, Kwang Young PARK