Chemical additive for calcium sulphoaluminate-modified portland cement

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United States of America Patent

PATENT NO 9868674
SERIAL NO

15301263

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Abstract

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A chemical additive for calcium sulphoaluminate-modified Portland cement comprises the following substances: (a) at least one alkanolamine borate; (b) at least one organic alcohol; and (c) at least one saccharide or a derivative thereof; and the substances and water are sequentially mixed and stirred to obtain the chemical additive for calcium sulphoaluminate-modified Portland cement. The chemical additive for calcium sulphoaluminate-modified Portland cement provided by the invention has better effects of regulating the setting time of the calcium sulphoaluminate-modified Portland cement and improving the 3d/28d strength increase rate, and also has a grinding aid effect when being added during grinding.

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Patent Owner(s)

Patent OwnerAddress
NANJING TECH UNIVERSITYNO 5 XINMOFAN ROAD ZHONGYANGMEN STREET GULOU DISTRICT NANJING CITY JIANGSU PROVINCE 211816 NANJING CITY JIANGSU PROVINCE 211816

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hu, Yueyang Nanjing, CN 1 2
Li, Weifeng Nanjing, CN 24 145
Ma, Suhua Nanjing, CN 4 2
Shen, Xiaodong Nanjing, CN 189 560
Yu, Jin Nanjing, CN 95 1233

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