alogen substituted oxyalkylene or oxyalkenyl having 1 to 20 carbon atoms, thioalkylene or thioalkenyl having 1 to 20 carbon atoms, a halogen substituted thioalkylene or thioalkenyl having 1 to 20 carbon atoms, carboxyalkylene or alkanoylenoxy having 1 to 20 carbon atoms, a halogen substituted carboxyalkylene or alkanoylenoxy having 1 to 20 carbon atoms, Q2 is a covalent bond or an alkylene having