| abstract |
A polymer is represented by Formula (I): n n n n n n n n n n wherein X is a substituted or unsubstituted C 2 -C 5 alkylene, alkenylene, or alkynylene group; Y is a substituted or unsubstituted divalent C 2 -C 5 aliphatic hydrocarbyl group; Z is a divalent binding group; k is in a range from 0 to 3; m is in a range from 7 to 100; p is in a range from 0 to 30; n is in a range from 0 to 3; and q is in a range from 3 to 50. n The polymer is used as a nucleating agent for PET resin. |