Allyl ether sulfate polymerizable surfactants and methods for use
View Patent ↗Disclosed are ethylenically unsaturated salts of allyl (poly)ether sulfates utilized as reactive surfactants (emulsifiers) during emulsion polymerization.
1. A polymerizable surfactant composition comprising:
a polymerizable surfactant of formula (II):
wherein R 1 is H or a C 1 -C 10 alkyl group;
wherein R 2 is a C 1 -C 3 alkyl group;
wherein R 3 is H;
wherein R 4 is H;
wherein “M+” is a cation,
wherein “x” is an integer from 10-40,
wherein “y” is an integer from 0-20; and
optionally, at least one second surfactant that is different from the polymerizable surfactant of formula (II).
2. The polymerizable surfactant composition of claim 1 wherein M + is H + , Na + , NH4 + , K + or Li + .
3. The polymerizable surfactant composition of claim 1 wherein M + is Na + .
4. The polymerizable surfactant composition of claim 1 wherein “x” is an integer from 10-20, and wherein “y” is an integer from 2-8.
5. The polymerizable surfactant composition of claim 1 wherein the second surfactant is present and comprises sodium alkylbenzene, alkyl sulfosuccinates, alkyldiphenyloxide disulfonates, ethoxylated alkylphenol sulfates ethoxylated alkylphenol phosphates,fatty alcohol sulfates, fatty alcohols phosphates, alcohol ethoxylates or alkylphenol ethoxylates.
6. The polymerizable surfactant composition of claim 1 wherein the second surfactant is present and comprises a C10-C16 alcohol ethoxylate sulfate.
7. The polymerizable surfactant composition of claim 1 wherein “x” is an integer from 1-12.
8. The polymerizable surfactant composition of claim 1 wherein “y” is an integer from 1-5.
9. A process for preparing a coating comprising introducing the composition of claim 1 as an emulsifier during emulsion polymerization.
10. A polymerizable surfactant composition comprising:
a polymerizable surfactant of formula (II):
wherein R 1 is H;
wherein R 2 is a C 1 -C 3 alkyl group;
wherein R 3 is H;
wherein R 4 is H;
wherein “M+” is a cation,
wherein “x” is an integer from 10-40,
wherein “y” is an integer from 0-20; and
at least one second surfactant that is different from the polymerizable surfactant of formula (II).