| abstract |
Disclosed is a kind of ore stucco and its preparation method, it comprises 40-55% water, 45-58% solid particle clay material and the following formula diaminoalcohol compound at most 2%, wherein R is hydrogen, alkyl, Aryl or -CH2OH ; R1 is hydrogen, alkyl or -CH2OH ; or R and R1 together form cycloalkyl; R2 is hydrogen, methyl, alkyl, phenyl or substituted phenyl; R3 is hydrogen, alkyl, phenyl or substituted phenyl, or -CH2OH ; R4 is hydrogen, alkyl, or -CH2OH ; or, R3 and R4 together form cycloalkyl, wherein all percent All are based on the total weight of the ore stucco. |