Cement modifier compositions
AssigneesDow Global Technologies LLC, Rohm and Haas Company, Dow Produktions Und Vertiebs GMBH & Co. OHG.
InventorsMargarita Perello, Ligeng Yin, Sonja Menz, Joerg Neubauer, Jing Meng
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Abstract
Described herein are emulsion polymers, spray dried powders made with said emulsion polymers, and cementitious compositions made with said emulsion polymers or said spray dried powders. Emulsion polymers described herein comprise a shell portion comprising an alkali soluble resin (ASR), a core portion formed from polymerized units of at least one hydrophobic ethylenically unsaturated monomer, wherein no crosslinker is present when the shell portion and core portion are combined, and a nonionic water-soluble polymer.
Claims20
An emulsion polymer, comprising:
- a shell portion comprising an alkali soluble resin (ASR);
- a core portion formed from polymerized units of at least one hydrophobic ethylenically unsaturated monomer, wherein no crosslinker is present when the shell portion and core portion are combined;
- and
- a nonionic water-soluble polymer.
Dependencies are inferred from the claim text.