C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/12 (2006.01) C08G 18/46 (2006.01) C08G 18/50 (2006.01) C08G 18/61 (2006.01) C08G 18/62 (2006.01) C08G 18/66 (2006.01) C08G 18/72 (2006.01) C09D 175/04 (2006.01)
Patent
CA 2200216
The present invention relates to two-part reactive polyurethane compositons and the cured coatings prepared therefrom. The invention also relates to particular compositions and cured coatings therefrom that exhibit high damping character, excellent scratch-resistance, excellent mar-resistance, and self- healing characteristics. The invention also relates to a novel polyurethane prepolymer useful in some of the compositions. The invention also relates to method of making certain coatings of the invention.
L'invention concerne des compositions réactives de polyuréthanne en deux parties, ainsi que les revêtements durcis préparés à partir desdites compositions. Elle concerne également des compositions particulières et des revêtements durcis obtenus à partir de ces compositions, qui présentent des caractéristiques optimisées d'amortissement, de résistance au rayage et de dureté, ainsi que d'autorégénération de la fissure. L'invention concerne également un nouveau prépolymère de polyuréthane utile dans quelques unes des compositions. Elle concerne enfin un procédé de préparation de certains revêtements à base des compositions décrites.
Minnesota Mining And Manufacturing Company
Smart & Biggar
The Minnesota Mining & Manufacturing Company
LandOfFree
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