Self-invertible inverse latex comprising, as an inverting agent, surfactant species of the polyglycerol ester family, use thereof as a thickening agent, and aqueous liquid detergent compositions comprising same for household or industrial use

Patent metadata

Field	Value
Publication number	US-11912797-B2
Application number	US-201916978430-A
Country	US
Kind code	B2
Filing date	Feb 27, 2019
Priority date	Mar 6, 2018
Publication date	Feb 27, 2024
Grant date	Feb 27, 2024

Abstract

Disclosed is a self-invertible inverse latex including, as an inverting agent, surfactant species of the polyglycerol ester family, the use thereof as a thickening and/or emulsifying and/or stabilising agent for a detergent or cleaning formulation for industrial or household use, and aqueous liquid detergent compositions including same, for household or industrial use.

First claim

The invention claimed is:

1. A self-invertible inverse latex of a crosslinked anionic polyelectrolyte (P) comprising, per 100 mol %:
(a 1 )—a proportion of greater than or equal to 30 mol % and less than or equal to 100 mol %, of monomer units derived from 2-methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid in free acid or partially or totally salified form;
(a 2 )—a proportion of greater than 0 mol % and less than or equal to 70%, of monomer units derived from at least one monomer chosen from the elements of the group consisting of acrylic acid, methacrylic acid, 2-carboxyethylacrylic acid, itaconic acid, maleic acid, 3-methyl-3-[(1-oxo-2-propenyl)amino]butanoic acid, the carboxylic function of said monomers being in free acid, partially or totally salified form, and/or from the elements of the group consisting of (2-hydroxyethyl) acrylate, (2,3-dihydroxypropyl) acrylate, (2-hydroxyethyl) methacrylate, (2,3-dihydroxypropyl) methacrylate or vinylpyrrolidone;
(a 3 )—a proportion of greater than 0 mol % and less than or equal to 1 mol %, of monomer units derived from at least one diethylenic or polyethylenic crosslinking monomer (AR);
the sum of said molar proportions of monomer units according to a 1 ), a 2 ) and a 3 ) being equal to 100 mol %;
said self-invertible inverse latex being an emulsion of water-in-oil type (E) comprising, per 100% of its mass:
a)—from 10% by mass to 90% by mass of said crosslinked anionic polyelectrolyte (P);
b)—from 5% by mass to 50% by mass of a fatty phase consisting of at least one oil (H);
c)—from 1% by mass to 50% by mass of water;
d)—from 0.5% by mass to 10% by mass of an emulsifying system of water-in-oil type (S 1 ); and
e)—from 2% by mass to 10% by mass of an emulsifying system of oil-in-water type (S 2 );
the sum of the mass proportions of compounds according to a), b), c), d) and e) being equal to 100% by mass;
wherein said emulsifying system of oil-in-water type (S 2 ) comprises, per 100% of its mass:
f)—a proportion of greater than or equal to 50% by mass and less than or equal to 100% by mass of a composition (Ce) comprising, per 100% of its mass:
e 1 )—from 10% by mass to 60% by mass of at least one compound of formula (I):
HO—[CH 2 —CH(OH)—CH 2 —O] n —H  (I)

in which n represents an integer greater than or equal to 1 and less than or equal to 15;
e 2 )—from 40% by mass to 90% by mass of at least one compound of formula (II):
R 1 —(C═O)—[O—CH 2 —CH(OH)—CH 2 ] p —OH  (II),

in which p, which is different from or identical to n, represents an integer greater than or equal to 1 and less than or equal to 15; and in which the group R 1 —(C═O)— represents a saturated or unsaturated, linear or branched aliphatic radical including from 6 to 22 carbon atoms; and
e 3 )—up to 30% by mass of at least one composition (C 11 ) represented by formula (III):
HO—[CH 2 —CHOH—CH 2 —O-] q -(G) r -H  (III),

in which q, which is different from or identical to n, represents an integer greater than or equal to 1 and less than or equal to 3, G represents a reducing sugar residue and r represents a decimal number greater than or equal to 1.05 and less than or equal to 5.00;
said composition (C 11 ) consisting of a mixture of the compounds of formulae (III 1 ), (III 2 ), (III 3 ), (III 4 ) and (III 5 ):
HO—[CH 2 —CHOH—CH 2 —O—] q —O-(G) 1 -H  (III 1 ),

HO—[CH 2 —CHOH—CH 2 —O—] q —O-(G) 2 -H  (III 2 ),

HO—[CH 2 —CHOH—CH 2 —O—] q —O-(G) 3 -H  (III 3 ),

HO—[CH 2 —CHOH—CH 2 —O—] q —O-(G) 4 -H  (III 4 ),

HO—[CH 2 —CHOH—CH 2 —O—] q —O-(G) 5 -H  (III 5 ),

in molar proportions of said compounds of formulae (III 1 ), (III 2 ), (III 3 ), (III 4 ) and (III 5 ) respectively equal to a 1 , a 2 , a 3 , a 4 and a 5 , such that the sum a 1 +a 2 +a 3 +a 4 +a 5 is equal to 1, and such that the sum a 1 +2a 2 +3a 3 +4a 4 +5a 5 is equal to r;
the sum of the mass proportions of compounds according to e 1 ), e 2 ) and e 3 ) being equal to 100% by mass.

2. The self-invertible inverse latex as defined in claim 1 , wherein said crosslinked anionic polyelectrolyte (P) is a homopolymer of 2-methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid partially or totally salified in the sodium salt or ammonium salt form, crosslinked with triallylamine and/or methylenebis(acrylamide); a copolymer of 2-methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid and of acrylic acid which are partially or totally salified in the sodium salt or ammonium salt form, crosslinked with triallylamine and/or methylenebis(acrylamide); a copolymer of 2-methyl-2-[(1-oxo-2- propenyl)amino]-1-propanesulfonic acid (γ) partially or totally salified in the sodium salt form and of acrylic acid (δ) partially or totally salified in the sodium salt form in a mole ratio (γ)/(δ) of greater than or equal to 30/70 and less than or equal to 90/10, crosslinked with triallylamine and/or methylenebis(acrylamide); or a copolymer of 2-methyl-2-[(1-oxo-2-propenyl)amino]-1- propanesulfonic acid (γ) partially or totally salified in the sodium salt form and of acrylic acid (δ) partially or totally salified in the sodium salt form in a mole ratio (γ)/(δ) of greater than or equal to 40/60 and less than or equal to 90/10, crosslinked with triallylamine and/or methylenebis(acrylamide).

3. The self-invertible inverse latex as defined in claim 1 , wherein in formula (I) as defined previously, n represents an integer greater than or equal to 1 and less than or equal to 10, and wherein, in formula (II) as defined previously, p, which may be identical to or different from n, represents an integer greater than or equal to 1 and less than or equal to 10, and the group R 1 —(C═O)— is chosen from octanoyl, decanoyl, ω-undecylenoyl, dodecanoyl, tetradecanoyl, hexadecanoyl, octadecanoyl, 9- octadecenoyl and 9,12-octadecadienoyl radicals.

4. The self-invertible inverse latex as defined in claim 1 , wherein, in said emulsifying system of oil-in-water type (S 2 ), said composition (C e ) as defined previously consists of, per 100% of its mass:
e 1 )—from 10% by mass to 60% by mass of at least one compound of formula (I) as defined previously and
e 2 )—from 40% by mass to 90% by mass of at least one compound of formula (II) as defined previously.

5. The self-invertible inverse latex as defined in claim 1 , wherein, in formula (III) as defined previously, q is equal to 1, G represents a glucose residue and r represents a decimal number greater than or equal to 1.05 and less than or equal to 2.5.

6. The self-invertible inverse latex as defined in claim 1 , wherein, in said emulsifying system of oil-in-water type (S 2 ), said composition (C e ) as defined previously consists of, per 100% of its mass:
e 1 )—from 5% by mass to 15% by mass of at least one compound of formula (I) as defined previously,
e 2 )—from 60% by mass to 80% by mass of at least one compound of formula (II) as defined previously, and
e 3 )—from 5% by mass to 15% by mass of at least one composition (C 11 ) represented by formula (III) as defined previously.

7. The inverse latex as defined in claim 1 , wherein said emulsifying system of oil-in-water type (S 2 ) is said composition (C e ) as defined previously.

8. A composition (C e ) comprising, per 100% of its mass:
e 1 )—from 10% by mass to 60% by mass of at least one compound of formula (I):
HO—[CH 2 —CH(OH)—CH 2 —O] n —H  (I)

in which n represents an integer greater than or equal to 1 and less than or equal to 15;
e 2 )—from 40% by mass to 90% by mass of at least one compound of formula (II):
R 1 —(C═O)—[O—CH 2 —CH(OH)—CH 2 ] p —OH  (II), and

in which p, which is different from or identical to n, represents an integer greater than or equal to 1 and less than or equal to 15 and the group R 1 —(C═O)— represents a saturate

Assignees

• Soc Dexploitation De Produits Pour Les Industries Chimiques Seppic

Inventors

• Bodoc Miruna
• Guilbot Jérôme
• Da Costa Georges
• Colas Aurélie

Classifications

• C08F2/32 Primary

  Polymerisation in water-in-oil emulsions · CPC title

• B01J41/14

  obtained by reactions only involving unsaturated carbon-to-carbon bonds · CPC title

• C08F220/585

  and containing other heteroatoms, e.g. 2-acrylamido-2-methylpropane sulfonic acid [AMPS] · CPC title

• C11D3/0005

  Other compounding ingredients characterised by their effect · CPC title

• C11D3/2065

  Polyhydric alcohols · CPC title