Extended Surfactant For Emulsion Polymerization
AssigneeSasol North America Inc.
InventorsMelanie Anne Sharp, Oliver Herzog, Sebastiano Giovanni Giordano, Teresa Linville Marino, Kip Douglas Sharp
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Abstract
An extended anionic surfactant having the general formula: RO—(PO)n—YZ wherein R is a linear alkyl chain ranging from C6 to C36, a branched alkyl chain ranging from C6 to C36, or a mixture thereof; PO is a propyleneoxy group; Y is —SO3, —CH2CH2CH2—SO3, —CH2CH(CH3)—SO3, or —CH2COO; Z is a cation; and n is 1 to 50.
Claims39
A surfactant composition for emulsion polymerization comprising the formula:
- RO—(PO)n—YZ
- wherein R is a linear alkyl chain ranging from C6 to C36, a branched alkyl chain ranging from C6 to C36, or a mixture thereof;
- PO is a propyleneoxy group;
- Y is —SO2, —CH2CH2CH2—SO3, or —CH2CH(CH3)—SO3;
- Z is a cation;
- and
- n is 1 to 50.
A surfactant composition for emulsion polymerization comprising the following formula:
- RO—(PO)n—YZ
- wherein R is a linear alkyl chain ranging fro C6 to C36, a branched alkyl chain ranging from C6 to C36, or a mixture thereof;
- PO is a propyleneoxy group;
- Y is —CH2COO;
- Z is a cation;
- and
- n is 1 to 50.
A method for the production of a polymer emulsion comprising:
- reacting a monomer in the presence of a polymerization initiator and a surfactant composition for emulsion polymerization, said surfactant composition comprising the following formula:
- RO—(PO)n—YZ
- wherein R is a linear alkyl chain ranging from C6 to C36, a branched alkyl chain ranging from C6 to C36, or a mixture thereof;
- PO is a propyleneoxy group;
- Y is —SO3, —CH2CH(CH3)—SO3, or —CH2COO;
- Z is a cation;
- and
- n is 1 to 50.
Dependencies are inferred from the claim text.