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Rohm and haas patents Moisture-curing adhesives

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By: KERRY PIANOFORTE

Editor, Coatings World, Coatings World

Patent No. U.S. 7,217,459 B2
Rohm and Haas Company has been granted a patent for a composite comprised of a first substrate, a second substrate, and an adhesive composition bonding the substrates together, wherein the adhesive composition comprises 1-50% by weight based on the weight of the composition of cristobalite silica, and 50-99% by weight based on the weight of the composition of moisture curable prepolymer, wherein the moisture curable prepolymer comprises at least one urethane prepolymer comprising the reaction product of at least one polyol and at least one isocyanate bearing at least two isocyanate groups.

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