CPC C07C 237/16 (2013.01) [C07C 233/36 (2013.01); C07C 233/38 (2013.01); C07C 381/06 (2013.01); C09K 8/584 (2013.01); C11D 1/00 (2013.01); C07C 231/02 (2013.01); C09K 2208/30 (2013.01); E21B 43/16 (2013.01)] | 18 Claims |
1. A gemini surfactant, comprising:
a cation part having a structure (I), and
an anion part having a combined charge of −2,
wherein:
R1 and R2 are C8-C30 alkyl or C10-C30 alkenyl,
S is a C4-C8 alkenylene spacer, and
n and n′ are integer values from 2 to 5.
|