Influences of Carboxyl Methyl Cellulose on Performances of Mortar

武汉理工大学学报-材料科学版(英文版), 2007, 22(1): 108-111.

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1.Key Laboratory of Silicate Materials Science and Engineering of Ministry of Education,Wuhan University of Technology,Wuhan 430070,China

2.Key Laboratory of Silicate Materials Science and Engineering of Ministry of Education,Wuhan University of Technology,Wuhan 430070,China

3.Department of Civil Engineering,Hebei Engineering University,Handan 056038,China

4.Key Laboratory of Silicate Materials Science and Engineering of Ministry of Education,Wuhan University of Technology,Wuhan 430070,China

5.Key Laboratory of Silicate Materials Science and Engineering of Ministry of Education,Wuhan University of Technology,Wuhan 430070,China

Influences of Carboxyl Methyl Cellulose on Performances of Mortar

Keywords： aerated concrete

Carboxyl methyl cellulose (CMC) was mixed into mortar to improve the waterretention performance of mortar, the quality of floated coat of aerated concrete became better. The consistency and compression strength of mortar with CMC were studied. The water absorption was studied with the method of filter paper. The micro mechanism was researched with X-ray diffraction and scanning electron microscopy(SEM). The experimental results show the water-holding performance of mortar with CMC is largely improved and it is better when the mixed amount is about 1.5%; the compression strength had a descending trend with the increase of CMC; CMC reacted with calcium hydroxide(CH) into the deposition of calcium carboxyl methyl cellulose.

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Influences of Carboxyl Methyl Cellulose on Performances of Mortar

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