Catalyst for Non-Isocyanate Based Polyurethane
First Claim
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1. A method for producing non-isocyanate based polyurethane, the method comprising:
- providing a cyclic carbonate component,providing an amine component, andproviding a cooperative catalyst component that performs cyclic carbonate ring opening and includes an oxyphilic Lewis acid and an organic Lewis base.
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Abstract
A cooperative catalyst system includes a Lewis acid and a Lewis base for the formation of non-isocyanate based polyurethane using a cyclic carbonate and an amine. A method of forming non-isocyanate based polyurethane includes providing a cyclic carbonate, an amine, and a cooperative catalyst system that has a Lewis acid and a Lewis base.
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Citations
9 Claims
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1. A method for producing non-isocyanate based polyurethane, the method comprising:
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providing a cyclic carbonate component, providing an amine component, and providing a cooperative catalyst component that performs cyclic carbonate ring opening and includes an oxyphilic Lewis acid and an organic Lewis base. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A cooperative catalyst component for forming a non-isocyanate based polyurethane polymer using a cyclic carbonate component and an amine component, the cooperative catalyst component comprising an oxyphilic Lewis acid and an organic Lewis base.
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9. A non-isocyanate based polyurethane polymer, comprising a urethane linkage that is the reaction product of a cyclic carbonate component and an amine component formed in the presence of a cooperative catalyst component that includes an oxyphilic Lewis acid and an organic Lewis base.
Specification