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US 10,538,636 B2Granted
Room temperature polymer crosslinking using 1-functionalized benzocyclobutene
AssigneeThe University of Akron
InventorsColeen Pugh, Ajay Ramesh Amrutkar
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Abstract
Specific benzocyclobutenes serve as intramolecular or intermolecular or both intramolecular or intermolecular crosslinkers. The benzocyclobutenes can be incorporated into polymers post polymerization or can be provided as monomers that participate in homopolymerization or copolymerization with other monomer to create the polymers having benzocyclobutenes that are exploited to carry out the crosslinking. At least some of the benzocyclobutenes taught herein can be used to carry out crosslinking a ambient temperatures.
Claims10
A method of forming a copolymer comprising the steps of:
- copolymerizing a first monomer and a second monomer, the second monomer being selected according to the following chemical formula:
- wherein R1 is selected from the group consisting of:
- wherein n is 0 or more;
- or R1 is non-existent, or
- wherein Z is any linkage between the norbornene and the benzene ring;
- wherein R2 is selected from CH3, aliphatic groups, cycloaliphatic groups, and aromatic groups, wherein A is either non-existent or is selected from any structural unit that is incapable of reacting with a nucleophile, and crosslinking the resultant copolymer at a temperature from 15.5° C. to 35° C.
3 more elements
Dependencies are inferred from the claim text.