| 摘要 |
Oligomeric compounds and methods of making the compounds having the formula:wherein i and j are integers from about 0 to 300 and the sum of i and j is greater than 2, wherein the units F, F' and T are derived from one or more multi-functional carbonyl compounds of general structurewherein n is an integer from 1 to 15, m is either 0 or 1; Ra, Rb, Rc, and Rd, are each a hydrogen or a hydrocarbyl group; Y is CO-(CReRf)p, wherein Re and Rf are each a hydrogen or hydrocarbyl group and p is zero or an integer from 1 to 20 or CO-C6H4-, D is a hydrocarbyl group, and M is a moiety derived from one or more diamino or dihydroxy compounds that contain a 4-aminopiperidine radical.
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