A METHOD OF MODIFYING BETA STUCCO USING DIETHYLENE-TRIAMINE-PENTAACETIC ACID
摘要
A method for preparing a modified beta-stucco from calcined natural rock gypsum that includes preparing a solution of liquid diethylene-triamine-pentaacetic acid in water, applying the solution onto beta-stucco while hot from the calciner, forming a wetted beta-stucco, and allowing the wetted stucco to dry and heal, forming the modified beta-stucco.
申请公布号
WO2013148484(A1)
申请公布日期
2013.10.03
申请号
WO2013US33414
申请日期
2013.03.22
申请人
UNITED STATES GYPSUM COMPANY
发明人
LETTKEMAN, DENNIS, M.;KALIGIAN, RAYMOND, A., II;CLOUD, MICHAEL, L.;WILSON, JOHN, W.