AQUEOUS THICKENING COMPOSITION

Abstract

The invention pertains to the field of aqueous thickening compositions, particularly for increasing the viscosity of an aqueous paint or varnish composition, a detergent composition or a cosmetic composition, in particular a cosmetic composition comprising ethoxylated surfactant compounds. The composition according to the invention comprises at least 40% by weight of water and combines a particular thickening compound and a nonionic compound comprising at least one hydrophilic saccharide group attached to at least one linear or branched hydrophobic chain.

Claims

1: An aqueous composition comprising at least 40% by weight of water, and at least one polyalkoxylated compound (a) selected from the group consisting of a polyurethane compound (a1), a polyurethane-polyurea compound (a2), a polyether compound (a3), a polyester compound (a4), and a polyurea compound (a5); and at least one non-ionic compound (b) comprising at least one hydrophilic osidic group bound to at least one straight or branched hydrophobic chain.

2: The aqueous composition according to claim 1, wherein the dry/dry weight ratio (a/b) of the quantities of the compound (a) and of the compound (b) ranges from 0.1 to 10.

3: The aqueous composition according to claim 1, wherein the compound (a) is a rheology-modifying compound, or compound (a) is a non-ionic compound, or an associative compound, or an associative non-ionic compound.

4: The aqueous composition according to claim 1, wherein the polyurethane compound (a1) is chosen among: a polyurethane (a1-1) prepared by reaction: of at least one isocyanate compound (A) independently chosen among a diisocyanate compound (A1), a polyisocyanate compound (A2), and combinations thereof; of at least one polyhydroxyl compound (B) chosen among a compound (B1) of formula (chem I):
(HO)-L.sub.n-(OH) wherein L independently represents a poly(alkylene glycol) residue and n independently represents a number ranging from 40 to 400; a compound (B1) of formula (chem I) combined with a non-alkoxylated compound (B2) comprising at least three hydroxyl groups; a polyalkoxylated compound (B3) comprising at least three hydroxyl groups; a compound (B4) of formula (chem II):
HO—(OA).sub.pN(Q)-(OA).sub.q-OH wherein Q independently represents a straight or branched C.sub.8-C.sub.32-alkyl group, OA independently represents an ethoxylated group or a combination of ethoxylated (—CH.sub.2CH.sub.2O—) groups and propoxylated (—CH.sub.2C(CH.sub.3)O—) groups, and p and q independently represent a number ranging from 50 to 200; and combinations thereof; and of at least one compound (C) chosen among a monoisocyanate compound (C1), a monohydroxyl compound (C2), and combinations thereof; a polyurethane (a1-2) prepared in the absence of any diisocyanate compound, by reaction: of at least one polyisocyanate compound (A2); of at least one polyhydroxyl compound (B) chosen among: a compound (B1) of formula (chem I):
(HO)-L.sub.n-(OH) wherein L independently represents a poly(alkylene glycol) residue and n independently represents a number ranging from 40 to 400; a compound (B1) of formula (chem I) combined with a non-alkoxylated compound (B2) comprising at least three hydroxyl groups; a polyalkoxylated compound (B3) comprising at least three hydroxyl groups; a compound (B4) of formula (chem II):
HO—(OA).sub.pN(Q)-(OA).sub.q-OH wherein Q independently represents a straight or branched C.sub.8-C.sub.32-alkyl group, OA independently represents an ethoxylated group or a combination of ethoxylated (—CH.sub.2CH.sub.2O—) groups and propoxylated (—CH.sub.2C(CH.sub.3)O—) groups, and p and q independently represent a number ranging from 50 to 200; and combinations thereof; and of at least one compound (C) chosen among a monoisocyanate compound (C1), a monohydroxyl compound (C2), and combinations thereof.

5: The aqueous composition according to claim 1, wherein the polyurethane-polyurea compound (a2) is prepared by reaction: of at least one isocyanate compound (A) independently chosen among a diisocyanate compound (A1), a polyisocyanate compound (A2), and combinations thereof; of at least one polyhydroxyl compound (B) chosen among: a compound (B1) of formula (chem I):
(HO)-L.sub.n-(OH) wherein L independently represents a poly(alkylene glycol) residue and n independently represents a number ranging from 40 to 400; a compound (B1) of formula (chem I) combined with a non-alkoxylated compound (B2) comprising at least three hydroxyl groups; a polyalkoxylated compound (B3) comprising at least three hydroxyl groups; a compound (B4) of formula (chem II):
HO—(OA).sub.pN(Q)-(OA).sub.q-OH wherein Q independently represents a straight or branched C.sub.8-C.sub.32-alkyl group, OA independently represents an ethoxylated group or a combination of ethoxylated (—CH.sub.2CH.sub.2O—) groups and propoxylated (—CH.sub.2C(CH.sub.3)O—) groups, and p and q independently represent a number ranging from 50 to 200; and combinations thereof; of at least one diamine compound (D) independently chosen among: a compound (D1) of formula (chem III):
(H.sub.2N)-T.sub.m-(NH.sub.2) wherein T independently represents a poly(alkylene glycol) residue and m independently represents a number ranging from 40 to 400; optionally in combination with a polyamine compound; a compound (D2) of formula (chem IV):
(H(R.sup.1)N)-T.sub.m-(NH.sub.2) wherein T independently represents a poly(alkylene glycol) residue, or a C.sub.4-C.sub.20-alkylene group, m independently represents a number ranging from 40 to 400, and R.sup.1 independently represents a straight or branched C.sub.1-C.sub.12-alkyl group; optionally in combination with a polyamine compound; a compound (D3) of formula (chem V):
(H(R.sup.1)N)-T.sub.m-(N(R.sup.2)H) wherein T independently represents a poly(alkylene glycol) residue or a C.sub.4-C.sub.20-alkylene group, m independently represents a number ranging from 40 to 400 and R.sup.1 and R.sup.2, identical or different, independently represents a straight or branched C.sub.1-C.sub.12-alkyl group; optionally in combination with a polyamine compound; and combinations thereof; and of at least one compound (E) independently chosen among a monoisocyanate compound (E1), a monoamine compound (E2), and combinations thereof.

6: The aqueous composition according to claim 1, wherein the polyether compound (a3) is prepared by reaction: of at least one polyhydroxyl compound (B) chosen among: a compound (B1) of formula (chem I):
(HO)-L.sub.n-(OH) wherein L independently represents a poly(alkylene glycol) residue and n independently represents a number ranging from 40 to 400; a compound (B1) of formula (chem I) combined with a non-alkoxylated compound (B2) comprising at least three hydroxyl groups; a polyalkoxylated compound (B3) comprising at least three hydroxyl groups; a compound (B4) of formula (chem II):
HO—(OA).sub.pN(Q)-(OA).sub.q-OH wherein Q independently represents a straight or branched C.sub.8-C.sub.32-alkyl group, OA independently represents an ethoxylated group or a combination of ethoxylated (—CH.sub.2CH.sub.2O—) groups and propoxylated (—CH.sub.2C(CH.sub.3)O—) groups, and p and q independently represent a number ranging from 50 to 200; and combinations thereof; and of at least one compound comprising at least one halide group (F).

7: The aqueous composition according to claim 1, wherein the polyester compound (a4) is prepared by polymerisation reaction: of at least one polyhydroxyl compound (B) chosen among: a compound (B1) of formula (chem I):
(HO)-L.sub.n-(OH) wherein L independently represents a poly(alkylene glycol) residue and n independently represents a number ranging from 40 to 400; a compound (B1) of formula (chem I) combined with a non-alkoxylated compound (B2) comprising at least three hydroxyl groups; a polyalkoxylated compound (B3) comprising at least three hydroxyl groups; a compound (B4) of formula (chem II):
HO—(OA).sub.pN(Q)-(OA).sub.q-OH wherein Q independently represents a straight or branched C.sub.8-C.sub.32-alkyl group, OA independently represents an ethoxylated group or a combination of ethoxylated (—CH.sub.2CH.sub.2O—) groups and propoxylated (—CH.sub.2C(CH.sub.3)O—) groups, and p and q independently represent a number ranging from 50 to 200; and combinations thereof; and of at least one compound comprising at least one carboxylic acid group (G).

8: The aqueous composition according to claim 1, wherein the polyurea compound (a5) is prepared by reaction: of at least one isocyanate compound (A) independently chosen among a diisocyanate compound (A1), a polyisocyanate compound (A2), and combinations thereof; of at least one diamine compound (D), independently chosen among: a compound (D1) of formula (chem III):
(H.sub.2N)-T.sub.m-(NH.sub.2) wherein T independently represents a poly(alkylene glycol) residue and m independently represents a number ranging from 40 to 400; optionally in combination with a polyamine compound; a compound (D2) of formula (chem IV):
(H(R.sup.1)N)-T.sub.m-(NH.sub.2) wherein T independently represents a poly(alkylene glycol) residue, m independently represents a number ranging from 40 to 400, and R.sup.1 independently represents a straight or branched C.sub.1-C.sub.12-alkyl group; optionally in combination with a polyamine compound; a compound (D3) of formula (chem V):
(H(R.sup.1)N)-T.sub.m-(N(R.sup.2)H) wherein T independently represents a poly(alkylene glycol) residue or a C.sub.4-C.sub.20-alkylene group, m independently represents a number ranging from 40 to 400 and R.sup.1 and R.sup.2, identical or different, independently represent a straight or branched C.sub.1-C.sub.12-alkyl group; optionally in combination with a polyamine compound; and combinations thereof; and of at least one compound (E) independently chosen among a monoisocyanate compound (E1), a monoamine compound (E3), and combinations thereof.

9: The aqueous composition according to claim 1, wherein the non-ionic compound (b) comprises at least one straight or branched hydrophobic chain comprising from 4 to 14 carbon atoms.

10: The aqueous composition according to claim 1, wherein the non-ionic compound (b) is chosen among non-substituted sugar esters (non-substituted sucroesters), non-substituted sugar ethers (non-substituted sucroethers), and combinations thereof.

11: The aqueous composition according to claim 1, wherein the non-ionic compound (b) is obtained by reaction: of a compound comprising at least one hydrophilic osidic group chosen among fructose, galactose, glucose, lactose, maltose, sucrose, sorbitan, sorbitol, and combinations thereof; and of a compound comprising a hydrophobic chain chosen among fatty acids.

12: The aqueous composition according to claim 1, wherein the non-ionic compound (b) is chosen among: oside hexyl ester, oside heptyl ester, oside octyl ester and combinations thereof; oside hexyl ether, oside heptyl ether, oside octyl ether and combinations thereof; and combinations thereof.

13: The aqueous composition according to claim 1, wherein the non-ionic compound (b) is obtained: by esterification from a compound comprising at least one hydrophilic osidic group and a hydroxyl group and from a compound comprising a hydrophobic chain and at least one carboxylic group, by transesterification from a compound comprising at least one hydrophilic osidic group and an ester group and from a compound comprising a hydrophobic chain and at least one different ester group, or by condensing a compound comprising at least one hydrophilic osidic group with a compound comprising a hydrophobic chain and a starting group.

14: An aqueous formulation, comprising at least one aqueous composition according to claim 1 and at least one compound chosen among a pigment, a binder, a latex, a solvent, a detergent compound, a cosmetic compound, an adhesive compound and combinations thereof.

15: A method for controlling the viscosity of an aqueous formulation, the method comprising addition in the aqueous formulation: of at least one composition according to claim 1; or of at least one combination of the compounds (a) and (b) defined according to claim 1.

Description

EXAMPLE 1: PREPARATION OF COMPOSITIONS ACCORDING TO THE INVENTION

[0219] Preparation of the Composition According to the Invention (C1)

[0220] In a 3 L glass reactor equipped with a mechanical stirring rod, vacuum pump, and nitrogen inlet, and heated by means of a jacket in which oil circulates, 316.3 g of polyethylene glycol having a molecular mass (M.sub.w) of 10,000 g/mol (PEG 10,000) is introduced along with 13.5 g of docecan-1-ol. This stirred medium is heated to 100° C. and nitrogen is allowed to bubble. After one hour, 500 ppm of a bismuth carboxylate-type catalyst is added, then, after homogenisation of the medium, 14.8 g of isophorone diisocyanate (IPDI) is added. The reaction is allowed to continue for 1 hour.

[0221] Then, we check that the NCO group rate is zero.

[0222] At the end of the reaction, 246 g of a non-ionic compound resulting from glucose condensation with n-heptanol (Simulsol SL7G, Seppic) is added. This mixture is stirred for 30 minutes. Then, 1,000 ppm of biocidal agent (CMIT/MIT), 500 ppm of defoamer (Tego 1488, Evonik) and the appropriate amount of hot water are added to achieve a composition having a solids content of 30% by weight.

[0223] Preparation of the Composition According to the Invention (C2)

[0224] In a 3 L glass reactor equipped with a mechanical stirring rod, vacuum pump, and nitrogen inlet, and heated by means of a jacket in which oil circulates, 315.2 g of polyethylene glycol having a molecular mass (M.sub.w) of 10,000 g/mol (PEG 10,000) is introduced along with 17.2 g of dodecylcyclohexanol and 8.0 g of dodecan-1-ol. This stirred medium is heated to 100° C. and nitrogen is allowed to bubble. After one hour, 500 ppm of a bismuth carboxylate-type catalyst is added, then, after homogenisation of the medium, 23.7 g of isophorone diissocyanate (IPDI) is added. The reaction is allowed to continue for 1 hour.

[0225] Then, we check that the NCO group rate is zero.

[0226] At the end of the reaction, 260 g of a non-ionic compound resulting from glucose condensation with n-heptanol (Simulsol SL7G, Seppic) is added. This mixture is stirred for 30 minutes. Then, 1,000 ppm of biocidal agent (CMIT/MIT), 500 ppm of defoamer (Tego 1488, Evonik) and the appropriate amount of hot water are added to achieve a composition having a solids content of 30% by weight.

[0227] Preparation of the Composition According to the Invention (C3)

[0228] In a 3 L glass reactor equipped with a mechanical stirring rod, vacuum pump, and nitrogen inlet, and heated by means of a jacket in which oil circulates, 315.5 g of polyethylene glycol having a molecular mass (M.sub.w) of 10,000 g/mol (PEG 10000) is introduced along with 34.9 g of ethoxylated tristyrylphenol having 5 ethylene oxide units. This stirred medium is heated to 100° C. and nitrogen is allowed to bubble. After one hour, 500 ppm of a bismuth carboxylate-type catalyst is added, then, after homogenisation of the medium, 23.7 g of isophorone diisocyanate (IPDI) is added. The reaction is allowed to continue for 1 hour.

[0229] Then, we check that the NCO group rate is zero.

[0230] At the end of the reaction, 267 g of a non-ionic compound resulting from glucose condensation with n-heptanol (Simulsol SL7G, Seppic) is added. This mixture is stirred for 30 minutes. Then, 1,000 ppm of biocidal agent (CMIT/MIT), 500 ppm of defoamer (Tego 1488, Evonik) and the appropriate amount of hot water are added to achieve a composition having a solids content of 30% by weight.

[0231] Preparation of a Composition According to the Invention (C4)

[0232] In a 3 L glass reactor equipped with a mechanical stirring rod, vacuum pump, and nitrogen inlet, and heated by means of a jacket in which oil circulates, 315.4 g of polyethylene glycol having a molecular mass (Mu) of 10,000 g/mol (PEG 10,000) is introduced along with 31.0 g of ethoxylated cardanol having 5 ethylene oxide units. This stirred medium is heated to 100° C. and nitrogen is allowed to bubble. After one hour, 500 ppm of a bismuth carboxylate-type catalyst is added, then, after homogenisation of the medium, 16.7 g of isophorone diisocyanate (IPDI) is added.

[0233] The reaction is allowed to continue for 1 hour.

[0234] Then, we check that the NCO group rate is zero.

[0235] At the end of the reaction, 259 g of a non-ionic compound resulting from glucose condensation with a blend of n-heptanol and n-decanol (Simulsol SL8, Seppic) is added. This mixture is stirred for 30 minutes. Then, 1,000 ppm of biocidal agent (CMIT/MIT), 500 ppm of defoamer (Tego 1488, Evonik) and the appropriate amount of hot water are added to achieve a composition having a solids content of 30% by weight.

EXAMPLE 2: PREPARATION OF COMPARATIVE COMPOSITIONS

[0236] Preparation of the Comparative Composition (CC1)

[0237] In a 3 L glass reactor equipped with a mechanical stirring rod, vacuum pump, and nitrogen inlet, and heated by means of a jacket in which oil circulates, 316.3 g of polyethylene glycol having a molecular mass (Mw) of 10,000 g/mol (PEG 10,000) is introduced along with 13.5 g of docecan-1-ol. This stirred medium is heated to 100° C. and nitrogen is allowed to bubble. After one hour, 500 ppm of a bismuth carboxylate-type catalyst is added, then, after homogenisation of the medium, 14.8 g of isophorone diisocyanate (IPDI) is added. The reaction is allowed to continue for 1 hour.

[0238] Then, we check that the NCO group rate is zero. To do this, 1 g is collected from the reaction medium to which an excess of dibutylamine (1 molar) is added that reacts with the isocyanate groups present in the medium. The unreacted dibutylamine is then dosed with hydrochloric acid (1 N). The number of isocyanate groups present in the reaction medium can then be deduced.

[0239] At the end of the reaction, 1,000 ppm of biocidal agent (CMIT/MIT), 500 ppm of defoamer (Tego 1488, Evonik) and the appropriate amount of hot water are added to achieve a composition having a solids content of 17.5% by weight.

[0240] Preparation of the Comparative Composition (CC2)

[0241] In a 3 L glass reactor equipped with a mechanical stirring rod, vacuum pump, and nitrogen inlet, and heated by means of a jacket in which oil circulates, 315.2 g of polyethylene glycol having a molecular mass (M.sub.w) of 10,000 g/mol (PEG 10,000) is introduced along with 17.2 g of dodecylcyclohexanol and 8.0 g of dodecan-1-ol. This stirred medium is heated to 100° C. and nitrogen is allowed to bubble. After one hour, 500 ppm of a bismuth carboxylate-type catalyst is added, then, after homogenisation of the medium, 23.7 g of isophorone diisocyanate (IPDI) is added. The reaction is allowed to continue for 1 hour.

[0242] Then, we check that the NCO group rate is zero.

[0243] At the end of the reaction, 1,000 ppm of biocidal agent (CMIT/MIT), 500 ppm of defoamer (Tego 1488, Evonik) and the appropriate amount of hot water are added to achieve a composition having a solids content of 17.5% by weight.

[0244] Preparation of the Comparative Composition (CC3)

[0245] In a 3 L glass reactor equipped with a mechanical stirring rod, vacuum pump, and nitrogen inlet, and heated by means of a jacket in which oil circulates, 315.2 g of polyethylene glycol having a molecular mass (M.sub.w) of 10,000 g/mol (PEG 10000) is introduced along with 34.9 g of ethoxylated tristyrylphenol having 5 ethylene oxide units. This stirred medium is heated to 100° C. and nitrogen is allowed to bubble. After one hour, 500 ppm of a bismuth carboxylate-type catalyst is added, then, after homogenisation of the medium, 23.7 g of isophorone diisocyanate (IPDI) is added.

[0246] The reaction is allowed to continue for 1 hour.

[0247] Then, we check that the NCO group rate is zero as explained above.

[0248] At the end of the reaction, 1,000 ppm of biocidal agent (CMIT/MIT), 500 ppm of defoamer (Tego 1488, Evonik) and the appropriate amount of hot water are added to achieve a composition having a solids content of 17.5% by weight.

[0249] Preparation of the Comparative Composition (CC4)

[0250] In a 3 L glass reactor equipped with a mechanical stirring rod, vacuum pump, and nitrogen inlet, and heated by means of a jacket in which oil circulates, 315.4 g of polyethylene glycol having a molecular mass (M.sub.w) of 10,000 g/mol (PEG 10,000) is introduced along with 31.0 g of ethoxylated cardanol having 5 ethylene oxide units. This stirred medium is heated to 100° C. and nitrogen is allowed to bubble. After one hour, 500 ppm of a bismuth carboxylate-type catalyst is added, then, after homogenisation of the medium, 16.7 g of isophorone diisocyanate (IPDI) is added.

[0251] The reaction is allowed to continue for 1 hour.

[0252] Then, we check that the NCO group rate is zero as explained above. At the end of the reaction, 1,000 ppm of biocidal agent (CMIT/MIT), 500 ppm of defoamer (Tego 1488, Evonik) and the appropriate amount of hot water are added to achieve a composition having a solids content of 17.5% by weight.

EXAMPLE 3: ASSESSMENT OF THE VISCOSITY OF THE COMPOSITIONS ACCORDING TO THE INVENTION AND THE COMPARATIVE COMPOSITIONS

[0253] The Brookfield viscosity at 25° C. and at 1 RPM with a No. 7 stirrer is measured for the compositions according to the invention. The Brookfield viscosity at 25° C. and at 1 rpm with a No. 6 stirrer is measured for the comparative compositions. The results are shown in Table 1.

TABLE-US-00001 Viscosity Composition (Pa .Math. s) C1 2.1 C2 5.8 C3 3.3 C4 12.5 CC1 218 CC2 697 CC3 378 CC4 3,500

[0254] These results show the very good efficacy of the combinations of compound (a) and of non-ionic compound (b) in the compositions according to the invention wherein the viscosity is much lower than the viscosity of the comparative compositions. The compositions according to the invention are highly concentrated and can be handled easily.