US2017267593 (A1)

Chemical additive for calcium sulphoaluminate-modified Portland cement

(22) 29.09.2015

(43) 21.09.2017

(57) 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.

(71) Nanjing Tech University (CN)

Related articles:

Issue 6/2019 PL2429966 (T3)

Portland limestone calcined clay cement

(22) 09.04.2010 (43) 29.03.2019 (57) Summary of the corresponding patent EP2253600 (A1): The present invention relates to a cement comprising Portland cement clinker and a clinker replacement...

more

Issue 3/2023 WUHAN UNIVERSITY OF SCIENCE AND TECHNOLOGY | WUHAN TEXTILE UNIVERSITY | ZHENGZHOU SEWAGE PURIFICATION CO. LTD

Resistance of polymer modified calcium sulfoaluminate cement to sulphate attack

1 Introduction A building structure is easily damaged if it is in the erosion environment for a long time. If the damaged area is not repaired in time, the damage will further develop, which will...

more

Issue 05/2010

High-performance and low-CO2 cements based on calcium sulphoaluminate

1 Introduction Substantial changes have been introduced in the cement manufacture during the last twenty years. New cements, accepted by standardization bodies, have been developed. The improvement of...

more

Issue 6/2018 WO 2018/077772 A1

Additive for construction chemical compositions

(22) 23.10.2017 (43) 03.05.2018 (57) The present invention concerns an additive for construction chemical compositions, in particular mortar and cement compositions. The additive comprises at least...

more

Issue 5/2017 US 2017/0066687 A1

Process of recycling paint waste

(22) 02.09.2016 (43) 09.03.2017 (57) A cement composition and a process are provided for recycling a waste material by using the waste in the manufacture of Portland cement. The process generally...

more