Low VOC coalescing agents
A coalescent composition for coating compositions such as paints, adhesives, and coatings comprising a blend of dibasic esters, specifically (i) esters of adipic, glutaric, and/or succinic diacids and/or (ii) esters of isomers of adipic acid have advantages, including efficiency and low VOC.
1. A low VOC coalescent agent composition comprising:
a diester of the formula (I):
a diester of the formula (II):
wherein R 1 and R 2 are independently selected from C 4 -C 8 alkyl groups.
2. The low VOC coalescent agent composition of claim 1 further including a diester of formula (III)
3. The composition of claim 2 wherein the composition is characterized by a boiling point range of about 280° C. to about 390° C.
4. The composition of claim 2 wherein the composition is characterized by a boiling point range of about 295° C. to about 390° C.
5. The composition of claim 2 wherein the composition is characterized by a boiling point range of between about 300° C. to about 330° C.
6. The composition of claim 2 wherein R 1 and R 2 are independently selected from a group consisting of butyl, n-butyl, isoamyl, hexyl, heptyl, and octyl.
7. The composition of claim 2 wherein R 1 and R 2 are independently selected from a group consisting of n-butyl, isoamyl, fusel oil and a mixture thereof.
8. A latex coating composition comprising:
(a) at least one latex polymer;
(b) water; and
(c) the low VOC coalescent agent composition of claim 2 .