Patent classifications
C08F220/585
Method for enhanced oil recovery by means of injection of an aqueous polymer composition having monomeric units from an LCST
This invention relates to a process of enhanced oil recovery by sweeping an underground formation comprising injecting into the underground formation an injection fluid comprising at least one water-soluble LCST macromonomeric polymer.
Method for enhanced oil recovery by means of injection of an aqueous polymer composition having monomeric units from an LCST
This invention relates to a process of enhanced oil recovery by sweeping an underground formation comprising injecting into the underground formation an injection fluid comprising at least one water-soluble LCST macromonomeric polymer.
Hydrogels based on vinyl-caprolactam
The invention relates to a hydrogel based on vinyl caprolactam, with or without additional monomers, and at least two crosslinkers. The invention also relates to a method for obtaining said material and to the use thereof to culture cells/engineer cell monolayers, as well as supports for cell culture and transplant.
Hydrogels based on vinyl-caprolactam
The invention relates to a hydrogel based on vinyl caprolactam, with or without additional monomers, and at least two crosslinkers. The invention also relates to a method for obtaining said material and to the use thereof to culture cells/engineer cell monolayers, as well as supports for cell culture and transplant.
Detergent composition comprising an inverse latex combining EDDS as sequestrant and a polyelectrolyte comprising AMPS and acrylamide
Detergent composition (F) for domestic or industrial use including, as thickener, a self-invertible inverse latex including an aqueous phase including: a) a crosslinked anionic polyelectrolyte (P) consisting of: at least one monomer unit derived from 2-methyl-2-[(1 -oxo-2-propenyl)amino]-1-propanesulfonic acid in free acid form or partially or totally salified form; —at least one monomer unit derived from at least one monomer chosen from the elements of the group consisting of acrylamide, N,N-dimethylacrylamide, ethacrylamide, N-isopropylacrylamide, N-tert-butylacrylamide; and at least one monomer unit derived from a polyethylenic crosslinking monomer (AR), b) ethylenediaminedisuccinic acid in trisodium salt form.
Detergent composition comprising an inverse latex combining EDDS as sequestrant and a polyelectrolyte comprising AMPS and acrylamide
Detergent composition (F) for domestic or industrial use including, as thickener, a self-invertible inverse latex including an aqueous phase including: a) a crosslinked anionic polyelectrolyte (P) consisting of: at least one monomer unit derived from 2-methyl-2-[(1 -oxo-2-propenyl)amino]-1-propanesulfonic acid in free acid form or partially or totally salified form; —at least one monomer unit derived from at least one monomer chosen from the elements of the group consisting of acrylamide, N,N-dimethylacrylamide, ethacrylamide, N-isopropylacrylamide, N-tert-butylacrylamide; and at least one monomer unit derived from a polyethylenic crosslinking monomer (AR), b) ethylenediaminedisuccinic acid in trisodium salt form.
Curable Compositions and Membranes
A curable composition comprising the components (i) 0 to 60 wt % non-ionic crosslinker(s); (ii) 20 to 85 wt % curable ionic compound(s) comprising an anionic group and at least one ethylenically unsaturated group; (iii) 15 to 45 wt % solvent(s); (iv) 0 to 10 wt % of photoinitiator(s); and (v) 2 to 45 wt % of structure modifier(s); wherein the molar ratio of component (v):(ii) is 0.25 to 0.65. The compositions are useful for preparing membranes for (reverse) electrodialysis.
Curable Compositions and Membranes
A curable composition comprising the components (i) 0 to 60 wt % non-ionic crosslinker(s); (ii) 20 to 85 wt % curable ionic compound(s) comprising an anionic group and at least one ethylenically unsaturated group; (iii) 15 to 45 wt % solvent(s); (iv) 0 to 10 wt % of photoinitiator(s); and (v) 2 to 45 wt % of structure modifier(s); wherein the molar ratio of component (v):(ii) is 0.25 to 0.65. The compositions are useful for preparing membranes for (reverse) electrodialysis.
INVERSE LATEX FOR A COSMETIC COMPOSITION COMPRISING A SPECIFIC SEQUESTERING AGENT AND A POLYELECTROLYTE COMBINING A STRONG ACID FUNCTION AND A WEAK ACID FUNCTION
Disclosed is a self-invertible inverse latex comprising an aqueous phase containing: a) a crosslinked anionic polyelectrolyte (P) including: —at least one first monomer unit derived from 2-methyl-2-[(1-oxo-2-propenyl) amino] 1-propanesulfonic acid in the form of a free or partially or totally salified acid; —at least one second monomer unit derived from at least one monomer selected from the elements of the group consisting of acrylic acid, methacrylic acid, 2-carboxyethyl acrylic acid, itaconic acid, maleic acid, 3-methyl 3-[(1-oxo-2-propenyl) amino] butanoic acid, the carboxylic function of said monomers being in the free, partially salified or totally salified acid form; and —at least one third monomer unit derived from a polyethylenic crosslinking monomer (AR); b) ethylenediamine disuccinic acid in the form of trisodium salt.
INVERSE LATEX FOR A COSMETIC COMPOSITION COMPRISING A SPECIFIC SEQUESTERING AGENT AND A POLYELECTROLYTE COMBINING A STRONG ACID FUNCTION AND A WEAK ACID FUNCTION
Disclosed is a self-invertible inverse latex comprising an aqueous phase containing: a) a crosslinked anionic polyelectrolyte (P) including: —at least one first monomer unit derived from 2-methyl-2-[(1-oxo-2-propenyl) amino] 1-propanesulfonic acid in the form of a free or partially or totally salified acid; —at least one second monomer unit derived from at least one monomer selected from the elements of the group consisting of acrylic acid, methacrylic acid, 2-carboxyethyl acrylic acid, itaconic acid, maleic acid, 3-methyl 3-[(1-oxo-2-propenyl) amino] butanoic acid, the carboxylic function of said monomers being in the free, partially salified or totally salified acid form; and —at least one third monomer unit derived from a polyethylenic crosslinking monomer (AR); b) ethylenediamine disuccinic acid in the form of trisodium salt.