Kev txhim kho keeb kwm ntawm superplasticizer
Oct 31, 2022
Kev txhim kho keeb kwm ntawm superplasticizer
--Los ntawm Baidu Encyclopedia
hauv tsev
Qhov pib ntawm txawv teb chaws additives nyob rau hauv kuv lub teb chaws yog me ntsis tom qab ntawm txawv teb chaws, tab sis txoj kev loj hlob sai. Xyoo 1950, kev tshawb fawb thiab kev siv cov lignosulfonates thiab air-entraining agents pib; Tom qab xyoo 1970, tshuaj yej-based superplasticizers thiab dos-based superplasticizers Thaum xyoo 1990s, hloov kho melamine, sulfamate, thiab aliphatic superplasticizers tau tsim sai heev; txij li xyoo 2006, tau tsav los ntawm kev tsim kho kev tsheb ciav hlau ceev, polycarboxylic acid-based high-performance Dej txo cov neeg ua haujlwm kuj tau txais kev loj hlob sai. Dej txo tus neeg sawv cev txhawb kev txhim kho cov cuab yeej ua vaj tsev tshiab hauv Suav teb, thiab txhawb kev siv cov khoom lag luam los ntawm cov khoom siv hauv cov khoom siv cementitious, thiab maj mam dhau los ua cov khoom siv tsis tseem ceeb rau cov pob zeb zoo.
