Use of particular polysaccharides as admixtures for mineral...

Details Use of particular polysaccharides as admixtures for mineral... Use of particular polysaccharides as admixtures for mineral...

2007-08-14

2007-08-14

Brunsman, David M. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

C106S206100, C106S215500, C106S217600, C106S217700, C106S217900, C106S725000, C106S727000, C106S729000, C106S730000, C106S779000, C106S804000, C106S476000, C106S501100, C106S031680, C106S031710, C106S038230, C106S213100, C106S214200, C507S207000, C507S211000, C507S212000, C502S062000, C524S027000, C524S056000

Reexamination Certificate

active

11142183

ABSTRACT:
The subject of the present invention is the use of particular polysaccharides as admixtures for mineral materials, especially as admixtures for mineral binders. These polysaccharides have, characteristically:a weight-average molecular weight Mwof at least 500 g/mol and at most 9000 g/mol, especially between 700 and 7000 g/mol; anda degree of branching DB of at least 10%, especially between 10 and 40%. The invention also relates to the combined use, in mineral materials, including especially mineral binders, of these particular polysaccharides on the one hand and of certain other admixtures on the other hand, for example admixtures, of saccharidic or nonsaccharidic type, having a plasticizing, superplasticizing or other functionality.

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