Reversible crosslinked polymers, benzylic hydroxl crosslinkers and method

The invention involves crosslinked polyurethanes and other polymers not conventionally known as polyurethanes, with added urethane crosslinks where the crosslinkers are based on compounds having one or more benzylic hydroxyl groups, and methods of making the polymers and crosslinkers. The polymers a...

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Bibliographic Details
Main Authors Benecke, Herman P, Markle, Richard A
Format Patent
LanguageEnglish
Published 06.05.2003
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Summary:The invention involves crosslinked polyurethanes and other polymers not conventionally known as polyurethanes, with added urethane crosslinks where the crosslinkers are based on compounds having one or more benzylic hydroxyl groups, and methods of making the polymers and crosslinkers. The polymers are useful to make elastomers, fibers, sheets, moldings, coatings and other articles typically produced from polymers. A polymer having a crosslinked structure made from a polyol and an isocyanate where the crosslinks contain urethane and/or ester bonds made from the reaction of a benzylic hydroxyl group and an isocyanate group.