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UNOXOL™ Diol – The New Building Block for CoatingsUNOXOL™ Diol from Dow is the new building block for high solids, UV curable, waterborne and powder coatings. This new cycloaliphatic diol is an approximate 1:1 mixture of (cis, trans) 1,3-cyclohexanedimethanol and (cis, trans ) 1,4-cyclohexanedimethanol. Because of its unique structure and composition, UNOXOL Diol is liquid at room temperature. It contains two primary hydroxyl groups that lead to excellent reactivity during the preparation of condensation polymers and curing of the polymers with typical melamine and polyisocyanate crosslinkers. Condensation polymers can be prepared from the new cycloaliphatic diol resulting in low viscosity, excellent solubility in organic solvents, and resistance to crystallization. Thermoset coatings prepared from these condensation polymers have an extraordinary balance of hardness and flexibility compared with traditional coatings. As a result of its cycloaliphatic structure, UNOXOL Diol also imparts excellent acid etch resistance and hydrolytic stability. The new diol affords all the benefits of the cycloaliphatic backbone structure, while removing the limitations to incorporation, solubility, storage and usage observed when using the 1,4 isomer alone. Need more information?
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