Coating or composite moulding or mastic composition comprising additives based on cellulose microfibrils
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United States of America Patent
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Issued Date -
Nov 17, 2005
app pub date -
Mar 4, 2005
filing date -
Mar 8, 2004
priority date (Note) -
Abandoned
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Abstract
The invention relates to a coating or composite moulding or mastic composition comprising, by weight: A) 100 parts of at least one reactive or non-reactive organic binder B) 0.001 to 20 parts of at least one additive comprising cellulose microfibrils modified at the surface by at least one compound B1, the said cellulose microfibrils having an aspect ratio l/d of greater than 20 and a mean cross-section d ranging from 1 to 50 nm, the said compound B1 having at least one hydrophilic part and at least one hydrophobic part, the said microfibrils being modified at the surface by physical route, by physical adsorption of the said compound B1 C) optionally, at least one organic diluent D) optionally, up to 300 parts of at least one component chosen from fillers, fibres, pigments, dyes and other conventional additives. The invention also relates to a specific process for the preparation of this composition, to specific uses and to an intermediate composition for the preparation of such a composition.
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