A process according to claim 11, 12, or 13 wherein said polyhydric alcohol has the formula selected from the group consisting of (HO)m—A1—(OH)m, (HO)m—Ar2—A1—Ar2—(OH)m, (HO)m—Ar2—(O)—A1—(O)—Ar2—(OH)m, (HO)m—(A1—O)p—A1—(OH)m, (HO—A1)m(OH)—Ar1—(OH)(A1—OH)m, (HO—A1)m(OH)—Ar2—A2—Ar2—(OH)(A1—OH)m, (HO—A1)m(OH)—Ar2—Ar2—(OH)(A1—OH)m, (HO)m—Ar2—(O—A1)p—O—Ar2—(OH)m, (OH)m—Ar2—Ar2—(OH)m, (OH)m—Ar2—A2—Ar2—(OH)m, (HO)m—Ar2—A1—C(O)—O—A1—O—C(O)—A1—Ar2—(OH)m, (OH)—Ar1—(OH), and combinations of two or more thereof;
- Ar1, Ar2, A2, and m are the same as recited in claim 22;
- each A1 is independently a C1 to C12 alkylene group;
- and
- each p is independently a number in the range of from 1 to 10.