Cement mortars were modified with the soap_free cationic emulsion copolymer of vinylacetic acid (VAC) and methacyloyloxyethyl trimethylammonium chloride (DMC).

• 利用醋酸乙烯酯/甲基丙烯酰氧乙基三甲基氯化铵(VAC/DMC)阳离子型无皂乳液对水泥砂浆进行了改性研究,并与普通VAC均聚物乳液进行了比较。