Reactive two-part polyurethane compositions and optionally self-healable and scratch-resistant coatings prepared therefrom
 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 ofthe compositions. The invention also relates to method of making certain coatings of the invention. 
Minnesota Mining & Manufacturing Company
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Chia-Tie
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