| 摘要 |
A composition having the general formula <IMAGE> wherein each R is independently selected from hydrogen, substituted and unsubstituted organic radicals, and radicals of the formula -R1NR2 where R is as previously defined; R1 is a divalent organic radical; each R2 is independently selected from substituted and unsubstituted alkyl radicals having at least 12 carbon atoms; each R3 is an independently selected organic radical having from 1 to 13 carbon atoms; and a, b, and c are, independently, 0 or a positive integer.
|
