CEMENT ADMIXTURE AND CEMENT COMPOSITION CONTAINING SAID CEMENT ADMIXTURE

This cement admixture contains calcium carbonate and calcium oxide in each particle thereof. The mass ratio (calcium carbonate/calcium oxide) between this calcium carbonate and calcium oxide is 25/75 to 99.5/0.5. The total of the calcium carbonate and calcium oxide in the cement admixture is 80 mass...

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Bibliographic Details
Main Authors YASUDA, Ryosuke, TABARA, Kazuto
Format Patent
LanguageEnglish
French
Japanese
Published 04.07.2024
Subjects
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Summary:This cement admixture contains calcium carbonate and calcium oxide in each particle thereof. The mass ratio (calcium carbonate/calcium oxide) between this calcium carbonate and calcium oxide is 25/75 to 99.5/0.5. The total of the calcium carbonate and calcium oxide in the cement admixture is 80 mass% or more. L'invention concerne un adjuvant cimentaire contenant du carbonate de calcium et de l'oxyde de calcium dans chacune de ses particules. Le rapport massique (carbonate de calcium/oxyde de calcium) entre ce carbonate de calcium et cet oxyde de calcium est de 25/75 à 99,5/0,5. Le total du carbonate de calcium et de l'oxyde de calcium dans le mélange cimentaire représente 80 % en masse ou plus. 一粒子中に、炭酸カルシウム及び酸化カルシウムを含むセメント混和材であって、前記炭酸カルシウムと前記酸化カルシウムの質量比（炭酸カルシウム／酸化カルシウム）が２５／７５～９９．５／０．５であり、前記炭酸カルシウム及び前記酸化カルシウムの合計が前記セメント混和材中８０質量％以上であるセメント混和材。
Bibliography:Application Number: WO2023JP34273