hydroxyalkyl groups attached via a carbon or oxygen; these may be Cn H.sub.(2n+1) Oy or OCn H.sub.(2n+1) Oy ; where at least one of the substituents R1, R2, R3, R4, and R5 has at least one hydroxy substituent; where the molecular weight of any one of R1, R2, R3, R4, or R5 is less than or equal to about 1000 daltons; where n is a positive integer or zero; and where y is zero or a positive integer l