Use of synthetic surface-active substances and method for milling Portland clinker for the production of gypsumless Portland cements
The invention relates to admixtures and a method for milling Portland clinker for the production of gypsumless Portland cements with specific surfaces of from 350 to 750 m /kg. According to the invention, the milling is carried out in the presence of 0.01 to 0.15 mass-% of a synthetic organic surfac...
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Main Authors | , , |
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Format | Patent |
Language | English French German |
Published |
03.10.1990
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Subjects | |
Online Access | Get full text |
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Summary: | The invention relates to admixtures and a method for milling Portland clinker for the production of gypsumless Portland cements with specific surfaces of from 350 to 750 m /kg. According to the invention, the milling is carried out in the presence of 0.01 to 0.15 mass-% of a synthetic organic surface-active substance with wetting properties which is stable in alkaline media of pH values 9 to 12. |
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Bibliography: | Application Number: EP19900106206 |