US 9 073 784 B2

Calcium sulfoaluminate cement with ternesite

(22) 16.07.2012

(45) 07.07.2015

(57) The present invention relates to a ternesite calcium sulfoaluminate clinker as well as a ternesite clinker containing 20 to 100 % by weight of C₅S₂$ and less than 15 % by weight of C₄A₃$, as well as the use of ternesite as an additive to calcium sulfoaluminate (ferrite) (belite) (CSA(F)(B)) clinker, calcium sulfoaluminate (ferrite) (belite) cement, and calcium sulfoaluminate (ferrite) (belite) binder containing 10 to 90 % by weight of CSA(F)(B) and 90 to 10 % by weight of ternesite.

(73) HeidelbergCement AG, Heidelberg (DE)

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