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Polyurethane

Polyurethane (PU) is a polymer composed of a chain of organic units joined by carbamate (urethane) links. While most polyurethanes are thermosetting polymers that do not melt when heated, thermoplastic polyurethanes are also available.

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Product Description

For more than 117 years, Dow has strived to create value through its diversified, market-driven portfolio of specialty chemical, advanced materials, agrosciences and plastics businesses. Dow is delivering differentiated solutions that address unmet market needs. At the intersection of chemistry, biology and physics, Dow’s team of scientists and experts are addressing the world’s most pressing challenges – enhancing the quality of life for current and future generations, all while creating long-term sustainable value for the Company and  its customers.

Polyurethane (PU) is a polymer composed of a chain of organic units joined by carbamate (urethane) links. While most polyurethanes are thermosetting polymers that do not melt when heated, thermoplastic polyurethanes are also available.

Polyurethane polymers are traditionally and most commonly formed by reacting a di- or polyisocyanate with apolyol. Both the isocyanates and polyols used to make polyurethanes contain on average two or more functional groups per molecule.

 

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