WO2022122617A1 - Composition thixotropique à base de diurée-diuréthane - Google Patents
Composition thixotropique à base de diurée-diuréthane Download PDFInfo
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- WO2022122617A1 WO2022122617A1 PCT/EP2021/084323 EP2021084323W WO2022122617A1 WO 2022122617 A1 WO2022122617 A1 WO 2022122617A1 EP 2021084323 W EP2021084323 W EP 2021084323W WO 2022122617 A1 WO2022122617 A1 WO 2022122617A1
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- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920001290 polyvinyl ester Polymers 0.000 description 1
- 229920001289 polyvinyl ether Polymers 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 1
- YLQLIQIAXYRMDL-UHFFFAOYSA-N propylheptyl alcohol Chemical compound CCCCCC(CO)CCC YLQLIQIAXYRMDL-UHFFFAOYSA-N 0.000 description 1
- KIDHWZJUCRJVML-UHFFFAOYSA-N putrescine Chemical compound NCCCCN KIDHWZJUCRJVML-UHFFFAOYSA-N 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- JMHCCAYJTTWMCX-QWPJCUCISA-M sodium;(2s)-2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoate;pentahydrate Chemical compound O.O.O.O.O.[Na+].IC1=CC(C[C@H](N)C([O-])=O)=CC(I)=C1OC1=CC(I)=C(O)C(I)=C1 JMHCCAYJTTWMCX-QWPJCUCISA-M 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000001959 sucrose esters of fatty acids Substances 0.000 description 1
- 235000010965 sucrose esters of fatty acids Nutrition 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 150000005621 tetraalkylammonium salts Chemical class 0.000 description 1
- HLZKNKRTKFSKGZ-UHFFFAOYSA-N tetradecan-1-ol Chemical compound CCCCCCCCCCCCCCO HLZKNKRTKFSKGZ-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- KJIOQYGWTQBHNH-UHFFFAOYSA-N undecanol Chemical compound CCCCCCCCCCCO KJIOQYGWTQBHNH-UHFFFAOYSA-N 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3819—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
- C08G18/7621—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3225—Polyamines
- C08G18/3237—Polyamines aromatic
- C08G18/324—Polyamines aromatic containing only one aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/80—Masked polyisocyanates
- C08G18/8061—Masked polyisocyanates masked with compounds having only one group containing active hydrogen
- C08G18/8064—Masked polyisocyanates masked with compounds having only one group containing active hydrogen with monohydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/80—Masked polyisocyanates
- C08G18/8061—Masked polyisocyanates masked with compounds having only one group containing active hydrogen
- C08G18/8096—Masked polyisocyanates masked with compounds having only one group containing active hydrogen with two or more compounds having only one group containing active hydrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/21—Urea; Derivatives thereof, e.g. biuret
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/02—Polyureas
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
Definitions
- the present invention relates to a thixotropic composition
- a thixotropic composition comprising one or more diurea-diurethane compounds and an aprotic solvent, its method of preparation, as well as its use as a rheology agent, in particular as a thixotropic agent, in particular in a binder composition.
- Diurea-diurethane compounds are already known as organogelling agents, i.e. small organic molecules capable of gelling all kinds of organic solvents even at relatively low mass concentrations (less than 1% by mass) or as additives in rheology, that is to say making it possible to modify the rheology of an application formulation. They make it possible to obtain, for example, a thixotropic or pseudoplastic effect.
- Thixotropic agents in liquid form are particularly preferred since they can be easily incorporated into a formulation, especially an aqueous coating composition.
- US 4,314,924 describes a thixotropic composition
- a thixotropic composition comprising a solution of diurea-diurethane in an aprotic solvent and 0.1 to 2 mol of LiCl per urea group.
- the LiCl is used to stabilize the composition.
- the presence of this lithium salt can cause corrosion problems when the composition is applied to metal substrates and generate uncontrolled species due to its Lewis acidity.
- lithium salts, in particular LiCl are toxic compounds and the formulations which contain them are subject to the regulations in force with regard to the classification, labeling and packaging of chemical products.
- the composition is prepared by reacting 1 mole of a monoalcohol with 1 mole of a diisocyanate to form a monoisocyanate adduct which is then introduced into an aprotic solvent containing 0.5 mole of a polyamine and 0.1 to 2 mole of LiCl.
- a protic solvent containing 0.5 mole of a polyamine and 0.1 to 2 mole of LiCl.
- the structure of the diurea-diurethane compound is not perfectly controlled due to the use of a stoichiometric ratio between the monoalcohol and the diisocyanate. This can generate non-reactive or insoluble species which will tend to precipitate.
- US 6,420,466 describes a process for preparing a thixotropic agent containing diurea-diurethane compounds by reacting a monoalcohol with an excess of toluene diisocyanate to form a monoisocyanate adduct.
- the excess toluene diisocyanate is then removed by distillation at reduced pressure and the monoisocyanate adduct then reacts with a diamine in an aprotic solvent in the presence of LiCl.
- This process also uses a corrosive lithium salt and the step for distilling the excess diisocyanate is costly and requires specific installations on an industrial scale.
- the invention relates to a thixotropic composition
- a thixotropic composition comprising a compound of formula (I) or a mixture of compounds of formula (I) and an aprotic solvent:
- R′, R2, and R3 being as defined below; the composition containing less than 0.1 moles of salt per urea group in the composition, excluding aprotic solvent.
- Another subject of the invention is a process for the preparation of a thixotropic composition
- a) reacting at least one diisocyanate of formula OCN-R2-NCO with at least one alcohol of formula R' -OH to form at least one monoisocyanate adduct of formula R'-OC( O)-NH-R2-NCO, the molar ratio between the total quantity of alcohol and the total quantity of diisocyanate ranging from 1.10 to 1.80, in particular from 1.20 to 1.60, more particularly from 1.25 to 1.45, more particularly still from 1.30 to 1.40; b) reacting F at least one monoisocyanate adduct obtained in step a) with at least one diamine of formula H2N-R3-NH2 in the presence of less than 0.2 mole of metal salt per mole of diamine used, to form at least one compound of formula (I) [Chem 2]
- R', R2, and R3 being as defined below.
- Another object of the invention is a binder composition
- a binder composition comprising a binder and the thixotropic composition according to the invention or prepared according to the method of the invention.
- a subject of the invention is also the use of the thixotropic composition according to the invention or prepared according to the process of the invention, as a rheology agent, in particular as a thixotropic agent.
- diurea-diurethane compound means a compound having two urea functions and two urethane functions.
- diurethane compound means a compound having two urethane functions and no urea function.
- polyurea-diurethane compound means a compound having two urethane functions and at least four urea functions.
- solvent means a liquid having the property of dissolving, diluting or lowering the viscosity of other substances without modifying them chemically and without itself modifying itself.
- aprotic solvent means a solvent which does not have an acidic hydrogen atom.
- an aprotic solvent does not include a hydrogen atom bonded to a heteroatom (O, N or S).
- salt means an ionic compound.
- a salt can be inorganic or organic, preferably inorganic. Within the meaning of the present invention, the term “salt” does not include ionic surfactants.
- surfactant means a compound capable of modifying the surface tension between two surfaces.
- a surfactant can in particular be an amphiphilic compound, that is to say it has two parts of different polarity, one lipophilic (which retains fatty substances) is apolar, the other hydrophilic (miscible in water ) is polar.
- alkyl means a monovalent saturated acyclic group of formula -CnEhn+i.
- An alkyl can be linear or branched.
- C1-C30 alkyl means an alkyl having 1 to 30 carbon atoms.
- An alkenyl can be linear or branched.
- C2-C30 alkenyl means alkenyl having 2 to 30 carbon atoms.
- cycloalkyl means a monovalent cyclic hydrocarbon group.
- a cycloalkyl can be saturated or unsaturated.
- a cycloalkyl is non-aromatic.
- C5-C12 cycloalkyl means cycloalkyl having 5 to 12 carbon atoms
- aryl means a monovalent aromatic hydrocarbon group.
- a C6-C12 aryl means an aryl having 6 to 12 carbon atoms.
- alkaryl means an alkyl group substituted by an aryl group.
- aliphatic means a non-aromatic acyclic compound or group. It can be linear or branched, saturated or unsaturated, substituted or unsubstituted. It may comprise one or more bonds/functions, for example chosen from ether, ester, amine and mixtures thereof.
- cycloaliphatic means a non-aromatic compound or group comprising a ring having only carbon atoms as ring atoms. It can be substituted or unsubstituted.
- aromatic means a compound or a group comprising an aromatic ring, that is to say respecting Hückel's rule of aromaticity, in particular a compound comprising a phenyl group.
- H can be substituted or unsubstituted. It can comprise one or more bonds/functions as defined for the term “aliphatic”.
- aromatic means a compound or group comprising an aliphatic part and an aromatic part.
- heterocyclic means a compound or a group comprising a ring having at least one heteroatom chosen from N, O and/or S as ring atom.
- H can be substituted or unsubstituted.
- H can be aromatic or non-aromatic.
- the thixotropic composition according to the invention comprises a diurea-diurethane compound or a mixture of diurea-diurethane compounds and an aprotic solvent as described below.
- the composition according to the invention is stable although it contains little or no salt.
- the thixotropic composition according to the invention contains less than 0.1 moles of salt per urea group in the composition, excluding aprotic solvent.
- the number of urea groups is determined on all the compounds contained in the composition excluding aprotic solvent.
- the compound(s) of formula (I) contain(s) 2 urea groups. If the composition contains 1 mole of compound(s) of formula (I) and there is no other compound having at least one urea group in the composition, then the composition contains less than 0.2 moles of salt.
- the thixotropic composition may contain from 0 to less than 0.1 moles, or from 0 to 0.09 moles, or from 0 to 0.07 moles, or from 0 to 0.05 moles, or from 0 to 0 0.03 moles, or from 0 to 0.01 moles, or from 0 to 0.001 moles, of salt per urea group in the composition, excluding aprotic solvent.
- the thixotropic composition may contain less than 1%, or from 0 to 0.9%, or from 0 to 0.7%, or from 0 to 0.5%, or from 0 to 0.25%, or from 0 to 0.2%, or from 0 to 0.15%, or from 0 to 0.09%, or from 0 to 0.03%, by weight of LiCl relative to the weight of the composition, excluding aprotic solvent.
- the thixotropic composition can contain less than 1.6%, or from 0 to 1.4%, or from 0 to 1.1%, or from 0 to 0.8%, or from 0 to 0.4% , or from 0 to 0.3%, or from 0 to 0.25%, or from 0 to 0.15%, or from 0 to 0.05%, by weight of LiNCh relative to the weight of the composition, excluding aprotic solvent.
- the salt can in particular be chosen from a metallic salt, an ionic liquid and an ammonium salt.
- the salt can be a metal salt chosen from a halide, an acetate, a formate, a nitrate.
- the salt can be a lithium salt.
- the salt can be a lithium salt chosen from LiCl, LiNCL, LiBr and their mixtures.
- composition according to the invention may in particular be stable without the addition of a stabilizer, such as in particular a surfactant.
- a stabilizer such as in particular a surfactant.
- the thixotropic composition according to the invention contains less than 0.1 moles of surfactant per urea group in the composition.
- the thixotropic composition may contain from 0 to 0.1 moles, or from 0 to 0.08 moles, or from 0 to 0.06 moles, or from 0 to 0.04 moles, or from 0 to 0.02 moles, or from 0 to 0.01 moles, or from 0 to 0.001 moles, of surfactant per urea group in the composition, excluding aprotic solvent.
- the thixotropic composition can contain less than 3%, or from 0 to 2.8%, or from 0 to 2.4%, or from 0 to 2%, or from 0 to 1.6%, or from 0 to 1.2%, or from 0 to 1%, or from 0 to 0.5%, or from 0 to 0.1%, or from 0 to 0.01%, by weight of surfactant relative to the weight of the composition, excluding aprotic solvent.
- the surfactant can in particular be chosen from an anionic surfactant, a cationic surfactant, a nonionic surfactant, a zwitterionic surfactant and mixtures thereof.
- the surfactant may in particular have an HLB of 8 to 12.
- anionic surfactants are sulfonates, sulfates, sulfosuccinates, phosphates and carboxylates.
- cationic surfactants are quaternary ammonium salts (in particular tetraalkylammonium salts and quaternary ammonium esters or esterquats).
- nonionic surfactants are alkoxylated fatty alcohols (in particular ethoxylated and/or propoxylated), alkylglycosides, fatty acid esters (in particular glycol esters, glycerol esters, sorbitan esters or sucrose esters of fatty acids) and alkoxylated (in particular ethoxylated and/or propoxylated) fatty acid esters.
- fatty acid esters in particular glycol esters, glycerol esters, sorbitan esters or sucrose esters of fatty acids
- alkoxylated in particular ethoxylated and/or propoxylated
- zwitterionic surfactants are betaines, imidazolines, sultaines, phospholipids and amine oxides.
- composition according to the invention may have an NCO number of less than 0.5 mg KOH/g, in particular less than 0.2 mg KOH/g, more particularly less than 0.1 mg KOH/g, even more particularly 0 mg KOH/g.
- the NCO index can be measured using the method described below.
- the thixotropic composition according to the invention comprises a compound of formula (I) or a mixture of compounds of formula (I):
- the compounds of formula (I) do not contain a tertiary amine function or a quaternary ammonium function.
- the compound(s) of formula (I) can in particular correspond to the reaction product(s) of at least one alcohol of formula R'-OH, of at least one diisocyanate of formula OCN-R2-NCO and at least one diamine of formula H2N-R3-NH2.
- the thixotropic composition may in particular comprise 5% to 80%, in particular 15% to 75%, more particularly 25% to 65%, by moles of compound of formula (I) relative to the total molar quantity of compounds having one or more functions chosen from urea, urethane, and mixtures thereof, excluding aprotic solvent.
- a compound of formula (I) contains two R' groups.
- the R′ groups of the same compound of formula (I) can be identical or different.
- the composition according to the invention can comprise a mixture of compounds of formula (I) having identical R' groups.
- the composition according to the invention may comprise a mixture of compounds of formula (I) which are distinguished by their R′ groups. For example, some compounds in the mixture may have identical R' groups and some compounds in the mixture may have different R' groups.
- Each R' group may arise from the use of an alcohol of formula R'-OH to form the diurea-diurethane compound(s) of formula (I).
- the R' group can correspond to the residue of an alcohol of formula R'-OH without the OH group.
- the R′ groups and the corresponding alcohols of formula R′-OH described below also apply to the process according to the invention.
- Y and Z are independently selected from alkyl, alkenyl, cycloalkyl, aryl and alkylaryl;
- R a , Rb, Rc and Rd are independently chosen from H and methyl, in particular H; each n is independently 2, 3 or 4, in particular n is 2; m ranges from 1 to 30, in particular m ranges from 2 to 25; p is 3 to 5, in particular p is 5; q goes from 1 to 20, in particular q goes from 2 to 10.
- R' group can be an alkyl, in particular a C1 to C30 alkyl.
- suitable alkyl groups are methyl, propyl, 1-methylethyl, butyl, Xi-2-methylpropyl, pentyl, Xi-3-methylbutyl, hexyl, Xi-4-methylpentyl, heptyl, Xi-s-methylhexyl, octyl, Xi -6-methylheptyl, 2-ethylhexyl, nonyl, Xi-7-methyloctyl, decyl, Xi-s-methylnonyl, undecyl, Xi-9-methyldecyl, dodecyl, Xi-10-methylhmdecyl, tridecyl, Xi-11-methyldodecyl, 2 ,5,9-trimethyldecyl, tetradecyl, Xi-12-methyltride
- the group Xi-n-methyldodecyl is a dodecyl group substituted by a methyl group in position 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11, for example 11-methyldodecyl, 2-methyldodecyl.
- isomers is meant alkyl groups having the same number of carbon atoms but having a different substitution pattern, for example an ethyl substituent instead of a methyl substituent or a larger number of methyl substituents.
- the 2,5,9-trimethyldecyl group is an isomer of the 11-methyldodecyl or 2-methyldodecyl group.
- the aforementioned alkyl groups can in particular be linked to the urethane group in position 1.
- the 2,5,9-trimethyldecyl group can be represented by the following formula: [Chem 4] wherein the broken line represents a point of attachment to a urethane group of the compound of formula (I).
- An R' group can be alkenyl, especially C2-C30 alkenyl.
- suitable alkenyl groups are hex-Y2-5-enyl, hept-Y2-6-enyl, oct-Y2-7-enyl, non-Y2-8-enyl, dec-Y2-9-enyl, undec-Y2 -io-enyl, dodec-Y2-n-enyl, tridec-Y2-i2-enyl, tetradec-Y2-i3-enyl, hexadec-Y2-is-enyl, octadec-Y2-i7-enyl, icos-Y2-i9 -enyl, docos-Y2-2i-enyl, heptadeca-8,11-dienyl, octadeca-9,12-dienyl, nonadeca-10,13-dienyl, icosa-11,14-dieny
- the hex-Y2-5-enyl group is a hexenyl group in which the double bond can be in position 2, 3, 4 or 5 which corresponds to the groups hex-2-enyl, hex-3-enyl, hex-4- enyl and hex-5-enyl.
- the aforementioned alkenyl groups can in particular be linked to the urethane group in position 1.
- the hex-2-enyl group can be represented by the following formula: [Chem 5] wherein the broken line represents a point of attachment to a urethane group of the compound of formula (I).
- a group R' can be a cycloalkyl, in particular a C5 to C12 cycloalkyl.
- suitable cycloalkyl groups are cyclopentyl, cyclohexyl, cycloheptyl, cycloctyl, cyclononyl, cyclodecyl, cycloundecyl, and cyclododecyl.
- R' group can be an aryl, in particular a C6 to C12 aryl.
- suitable aryl groups are phenyl, naphthyl, biphenyl, ortho-, meta or para-tolyl, 2,3-, 2,4-, 2,5-, 2,6-, 3,4- or 3,5 -xylyl and mesityl.
- R' group can be an alkylaryl, in particular a C7 to C12 alkylaryl.
- suitable alkylaryl groups are benzyl, 2-phenylethyl, 3-phenylpropyl, 4-phenylbutyl, 2-phenylbutyl.
- a group R' can be a group •-[(CR a Rb)ii-O] m -Y in which
- Y is selected from alkyl, alkenyl, cycloalkyl, aryl and alkylaryl;
- R a and Rb are independently chosen from H and methyl, in particular H; each n is independently 2, 3 or 4, in particular n is 2; m ranges from 1 to 30, in particular m ranges from 2 to 25.
- •-[(CR a Rb)ii-O] m -Y groups are the alkoxylated derivatives of the alkyl, alkenyl, cycloalkyl, aryl and alkylaryl groups previously described.
- Particularly suitable are polyethylene glycols, polypropylene glycols, co-poly(ethylene glycol/propylene glycol) and polytetramethylene glycols comprising a terminal group chosen from an alkyl, alkenyl, cycloalkyl, aryl and alkylaryl group as described above.
- These groups can in particular be obtained by reacting an alcohol R′ OH having an R′ group as described above with a cyclic compound chosen from ethylene oxide, propylene oxide, tetrahydrofuran and mixtures thereof.
- R c and Rd are independently chosen from H and methyl, in particular H; p ranges from 3 to 5 in particular p is 5; q goes from 1 to 20, in particular q goes from 2 to 10.
- each R′ is independently chosen from alkyl and •-[(CR a Rb)ii-O]mY as defined previously.
- each R' is independently chosen from linear or branched C1-C30 alkyl and •-[CH2-CH2-O] m -Y with Y a C1-C24 alkyl and m ranges from 1 to 25. More particularly, each R' is independently selected from C8-C20 branched alkyl and •-[CH2-CH2-O] m -Y with Y being C1-C6 alkyl and m ranges from 2 to 20.
- each R′ is independently chosen from octyl, Xi-6-methylheptyl, 2-ethylhexyl, nonyl, Xi-7-methyloctyl, decyl, Xi-s-methylnonyl, undecyl, Xi-9-methyldecyl, dodecyl, Xi -10-methylundecyl, tridecyl, Xi-11-methyldodecyl, 2,5,9-trimethyldecyl, tetradecyl, Xi-12-methyltridecyl, pentadecyl, Xi-13-methyltetradecyl, hexadecyl, Xi-14-methylpentadecyl, heptadecyl, Xi-15 -methylhexadecyl, octadecyl, Xi-16-methylheptadecyl, nonadecyl
- a compound of formula (I) may have the same or different R' groups.
- a compound of formula (I) may have R' groups of different molecular mass.
- a compound of formula (I) may have R' groups having a different chemical nature, in particular hydrophilicity.
- the composition according to the invention may comprise a compound of formula (I) in which the R′ groups are identical.
- the composition according to the invention may comprise a compound of formula (I) in which the R′ groups are different.
- the composition according to the invention may comprise a compound of formula (I) in which the R' groups are identical and a compound of formula (I) in which the R' groups are different.
- the composition according to the invention may in particular comprise a compound of formula (I) in which the R′ groups are identical.
- the R′ groups may be identical and correspond to Ri, R1 being a linear or branched C1-C30 alkyl, in particular a linear or branched C8-C20 alkyl, more particularly a branched C8-C20 alkyl as described above.
- composition according to the invention may in particular comprise a mixture of compounds of formula (I), said mixture containing at least one compound of formula (I) in which the R′ groups are different.
- the mixture may contain at least one compound of formula (I) in which the R' groups have a different molecular mass.
- the mixture may contain at least one compound of formula (I) in which the R′ groups have a different chemical nature, in particular a hydrophilic nature.
- a composition comprising a compound of formula (I) in which the R' groups are different can in particular be obtained by using a mixture of at least 2 different R'-OH alcohols, corresponding in particular to R4-OH and R5-OH, for forming the compound(s) of formula (I).
- mixture of compounds of formula (I) may contain:
- R4 and R5 being as previously defined for R′.
- the mixture of compounds of formula (I) may in particular comprise a compound of formula (Ia), optionally mixed with a compound of formula (Ib) and/or a compound of formula (Ic): [Chem 6] in which all the R4 groups are identical and as previously defined for R'; all the R5 groups are identical and as previously defined for R'; R4 groups are different from R5.
- the R4 group can be more hydrophobic than the R5 group; and/or the R5 group may have a higher molecular weight than the R4 group.
- the molecular masses of the R4 and R5 groups can be different.
- the R4 group may have a lower molecular mass than that of the R5 group.
- the difference between the molecular mass of the R4 group and that of the R5 group can be at least 50, at least 100, at least 150, at least 200, at least 300 or at least 350 g/mol.
- R4 and R5 groups may be different.
- the R4 group can be more hydrophobic than the R5 group.
- the groups R4 and R5 can be groups of formula •-[(CR a Rb)ii-O] m -Y having different molecular masses, Y, R a , Rb, n and m being as defined above.
- the R4 group can be a linear or branched Cl -C 30 alkyl and the R5 group can be a group of formula •-[(CR a Rb)nO] m -Y in which Y, R a , Rb, n and m are as previously defined.
- the total molar quantity of group R5, in particular of the less hydrophobic group and/or of the group having the highest molecular mass, can in particular represent more than 20%, in particular from 25 to 95%, 30 to 90%, 35 to 85%, or 40 to 80%, of the total molar quantity of the R4 and R5 groups of all the products having one or more functions chosen from urea, urethane, and mixtures thereof in the composition according to the invention, excluding aprotic solvent.
- composition according to the invention may in particular comprise a mixture of compounds of formula (I), said mixture containing at least two different compounds of formula (I) in which the R′ groups are different.
- the mixture may contain at least two different compounds of formula (I) in which the R' groups have a different molecular mass.
- the mixture may contain at least two different compounds of formula (I) in which the R′ groups have a different chemical nature, in particular a hydrophilic nature.
- a composition comprising at least two compounds of formula (I) in which the R' groups are different can in particular be obtained by using a mixture of at least 3 different alcohols R' -OH, corresponding in particular to R4-OH, R5-OH and RO-OH, to form the diurea-diurethane compound(s) of formula (I).
- the mixture of compounds of formula (I) may contain:
- R4, R5 and R ⁇ being as previously defined for R′.
- the mixture of compounds of formula (I) may in particular comprise a compound of formula (Ia), a compound of formula (Id) and optionally one or more compounds of formula (Ib) (Ic) (Ic) or (If) represented below - below: [Chem 7] in which all the R4 groups are identical and as previously defined for R'; all the R5 groups are identical and as previously defined for R'; all groups R6 are identical and as previously defined for R'; the R4 groups are different from R5; the R4 groups are different from R6; R5 groups are different from R6.
- the R4 group can be more hydrophobic than the R5 group and/or than the R6 group; and/or the R4 group may have a lower molecular weight than that of the R5 group and/or than that of the R6 group.
- the molecular masses of the R4, R5 and R6 groups can be different.
- the R4 group can have a lower molecular mass than that of the R5 group; and/or the R4 group may have a lower molecular weight than the R6 group; and/or the R5 group may have a lower molecular weight than the R6 group.
- the R4 group has a lower molecular mass than those of the groups Rs and R ⁇ .
- the difference between the molecular mass of the R4 group and that of the R5 group; and/or the difference between the molecular mass of the R4 group and that of the R6 group; and/or the difference between the molecular mass of the R5 group and that of the R6 group can be at least 50, at least 100, at least 150, at least 200, at least 300 or at least 350 g/mol.
- the R4, R5 and R6 groups may have different chemical natures.
- the R4 group can be more hydrophobic than the R5 group; and/or the R4 group may be more hydrophobic than the R6 group; and/or the R5 group may be more hydrophobic than the R6 group. More particularly, the R4 group is more hydrophobic than the R5 and R6 groups.
- the R4 group can be a linear or branched C1-C30 alkyl and the R5 and R ⁇ groups can be groups of the formula •-[(CR a Rb)ii-O] m -Y having different molecular masses, Y, R a , Rb, n and m being as defined previously.
- the total molar quantity of the R5 and R ⁇ groups in particular the total molar quantity of the least hydrophobic groups and/or of the groups having the highest molecular masses, may in particular represent more than 20%, in particular from 25 to 95%, 30 to 90%, 35 to 85%, or 40 to 80%, of the total molar quantity of the R4, R5 and R ⁇ groups in all the products having one or more functions chosen from urea, urethane, and their mixtures in the composition according to the invention, excluding aprotic solvent.
- more than 20 mol%, in particular from 25 to 95 mol%, 30 to 90 mol%, 35 to 85 mol%, or 40 to 80 mol%, of all the R' groups contained in the compound(s) of formula (I) are hydrophilic groups, in particular •-[(CR a R b )nO] m -Y groups.
- the R′ groups can in particular be the residues of one or more alcohols of formula R′—OH without the OH group.
- Y and Z are independently selected from C1-C30 alkyl, C2-C30 alkenyl, C5-C12 cycloalkyl, C6-C12 aryl and C7-C12 alkylaryl;
- R a , Rb, Rc and Rd are independently chosen from H and methyl, in particular H; each n is independently 2, 3 or 4, in particular n is 2; m ranges from 1 to 30, in particular m ranges from 2 to 25; p is 3 to 5, in particular p is 5; q goes from 1 to 20, in particular q goes from 2 to 10
- a C1 to C30 alkane substituted by an OH group can in particular be chosen from octan-l-ol, octan-2-ol, Xi-6-methylheptan-l-ol, 2-ethylhexan-l-ol, nonan-l- ol, Xi-7-methyloctan-l-ol, decan-l-ol, Xi-s-methylnonan-l-ol, undecan-l-ol, Xi-9-methyldecan-l-ol, dodecan-l-ol, Xi-io-methylundecan-l-ol, tridecan-l-ol, Xi-n-methyldodecan-l-ol, 2,5,9-trimethyldecan-l-ol, tetradecan-l-ol, Xi-i2-methyltridecan- l-ol, pentadecan-l-ol, Xi-i3
- Xi-n-methyldodecan-l-ol is a dodecane substituted with an OH group at the 1-position and a methyl group at the 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11 position, with example 2-methyldodecan-1-ol or 11-methyldodecan-1-ol.
- isomers alkanes having the same number of carbon atoms but having a different substitution pattern, for example an ethyl substituent instead of a methyl substituent or a greater number of methyl substituents.
- 2,5,9-trimethyldecan-l-ol is an isomer of 2-methyldodecan-l-ol and 11-methyldodecan-l-ol.
- the C1 to C30 alkane substituted by an OH group is chosen from 11-methyldodecan-1-ol and 2,5,9-trimethyldecano-1-ol.
- a C2 to C30 alkene substituted by an OH group can in particular be chosen from Y2-5-hexen-l-ol, Y2-6-hepten-l-ol, Y2-7-octen-l-ol, Y2-8- nonen-l-ol, Y2-9-decen-l-ol, Y2 io-undecen-l-ol, Y2-n-dodecen-l-ol, Y2-i2-tridecen-l-ol, Y2-i3-tetradecen -l-ol, Y2 i5-hexadecen-l-ol, Y2 i7-octadecen-l-ol, Y2-i9-icosen-l-ol, Y2-2i-docosen-l-ol, heptadeca-8,l l- dien-l-ol, octadeca-9
- a C5 to C12 cycloalkane substituted by an OH group can in particular be chosen from cyclopentanol, cyclohexanol, cycloheptanol, cycloctanol, cyclononanol, cyclodecanol, cycloundecanol and cyclododecanol; preferably cyclopentanol and cyclohexanol.
- a C6 to C12 arene substituted by an OH group can in particular be chosen from phenol, 1- or 2-naphthol, 2-, 3- or 4- phenylphenol, 2-, 3- or 4-methylphenol, 2,3-, 2,4-, 2,5-, 2,6-, 3,4- or 3,5-dimethylphenol and 2,4,6-, 2,3,5- or 2,3,6-trimethylphenol.
- a C7 to C12 alkylarene substituted by an OH group can in particular be chosen from benzyl alcohol, 2-phenylethan-l-ol, 3-phenylpropan-l-ol, 4-phenylbutan-l-ol, 2-phenylbutan-l-ol ; preferably benzyl alcohol and 2-phenylethan-1-ol.
- An alcohol HO-[(CR a Rb)nO] m -Y can in particular be chosen from an alkoxylated derivative of a C1 to C30 alkane substituted by an OH group as defined previously, an alkoxylated derivative of a C2 alkene at C30 substituted by an OH group as defined above, an alkoxylated derivative of a C5 to C12 cycloalkane substituted by an OH group as defined above, an alkoxylated derivative of a C6 to C12 arene substituted by an OH group such as defined above, an alkoxylated derivative of a C7 to C12 alkylarene substituted by an OH group as defined above.
- an alkoxylated derivative can in particular be an ethoxylated, propoxylated and/or butoxylated, preferably ethoxylated, derivative.
- the alcohol HO—[(CR a Rb)nO] m —Y is chosen from a polyethylene glycol monomethyl ether (MPEG), a polyethylene glycol monoethyl ether and a polyethylene glycol monobutyl ether; more preferably an MPEG having a number-average molecular mass of 200 to 1000 g/mol (in particular MPEG-250, MPEG-350, MPEG-400, MPEG-450, MPEG-500, MPEG-550, MPEG-650 MPEG-750 ) or triethylene glycol monobutyl ether (also called butyltriglycol (BTG)).
- MPEG polyethylene glycol monomethyl ether
- MPEG polyethylene glycol monoethyl ether
- MPEG triethylene glycol monobutyl ether
- a polyester derivative may in particular comprise a polyester part obtained by ring-opening polymerization of a lactone, preferably chosen from gamma-butyrolactone, delta-valerolactone, epsilon-caprolactone and mixtures thereof.
- a compound of formula (I) contains two R2 groups.
- the R2 groups of the same compound of formula (I) may be identical or different.
- the composition according to the invention may comprise a mixture of compounds of formula (I) having identical R2 groups.
- the composition according to the invention may comprise a mixture of compounds of formula (I) which are distinguished by their R2 groups. For example, some compounds in the mixture may have identical R2 groups and some compounds in the mixture may have different R2 groups.
- Each R2 group can arise from the use of a diisocyanate of formula OCN-R2-NCO to form the diurea-diurethane compound(s) of formula (I).
- the R2 group can correspond to the residue of a diisocyanate of formula OCN-R2-NCO without the NCO groups.
- the R2 groups and the corresponding diisocyanates of formula OCN-R2-NCO described below also apply to the process according to the invention.
- Each R2 is independently a divalent group selected from an aliphatic group, a cycloaliphatic group, an aromatic group and an araliphatic group.
- each R2 is independently an aromatic group.
- each R2 is independently an aromatic group having the following formula:
- each R2 is independently an aromatic group having one of the following formulas: wherein the symbol • represents a point of attachment to a urea or urethane group of formula (I).
- the thixotropic composition according to the invention may in particular have more than 85 mol%, more than 90 mol%, more than 95 mol%, more than 97 mol%, more than 98 mol%, more than 99 mol% or 100 mol%, of all the R2 groups contained in the compound(s) of formula (I) which are aromatic groups of the following formula: [Chem 10] wherein the symbol • represents a point of attachment to a urea or urethane group of formula (I).
- the thixotropic composition according to the invention can have from 86 to 100 mol%, from 90 to 100 mol%, from 95 to 100 mol%, from 97 to 100 mol%, from 98 to 100 mol%, from 99 to 100 mol%, or 100 mol%, of all the R2 groups contained in the compound(s) of formula (I) which are aromatic groups of the following formula: [Chem 11] wherein the symbol • represents a point of attachment to a urea or urethane group of formula (I).
- the R2 group is linked on one side to a urethane group (coming from the reaction between an isocyanate group of the diisocyanate OCN-R2-NCO and the OH group of the alcohol R'OH) and on the other side to a group urea (from the reaction between the other isocyanate group of the diisocyanate OCN-R2-NCO and an NH2 group of the diamine H2N-R3-NH2).
- represents a point of attachment to a urethane group of formula (I).
- the R2 group is asymmetric, there may be one side of the R2 group that is preferentially bonded to the urethane group and the other side that is preferentially bonded to the urea group.
- the less congested side of the R2 group is preferably bound to the urethane group.
- the thixotropic composition according to the invention may in particular have more than 60 mol%, more than 65 mol%, more than 70 mol%, more than 75 mol%, more than 80 mol%, more than 85 mol% or more than 90 mol%, of all the R2 groups contained in the compound(s) of formula (I) which are aromatic groups of the following formula:
- represents a point of attachment to a urethane group of formula (I).
- the R2 groups can in particular be the residues of one or more diisocyanates of formula OCN-R2-NCO without the NCO groups.
- a diisocyanate of formula OCN-R2-NCO can be a toluene diisocyanate (TDI).
- TDI can be in the form of one or more isomers selected from toluene 2,4-diisocyanate and toluene 2,6-diisocyanate.
- TDI which comprises a high proportion of toluene 2,4-diisocyanate
- TDI which comprises only toluene 2,4-diisocyanate
- a diisocyanate of formula OCN-R2-NCO is a TDI containing more than 85 mol%, more than 90 mol%, more than 95 mol%, more than 97 mol%, more than 98 mol%, more than
- a diisocyanate of formula OCN-R2-NCO is a TDI containing from 86 to 100 mol%, from 90 to 100 mol%, from 95 to
- a diisocyanate of formula OCN-R2-NCO is a TDI containing 100 mol% of toluene 2,4-diisocyanate relative to the total amount of toluene diisocyanate isomers.
- a compound of formula (I) contains an R3 group.
- the composition according to the invention may comprise a mixture of compounds of formula (I) having identical R3 groups.
- the composition according to the invention may comprise a mixture of compounds of formula (I) which are distinguished by their R3 groups.
- Each R3 group may arise from the use of a diamine of formula H2N-R3-NH2 to form the diurea-diurethane compound(s) of formula (I).
- the R3 group can correspond to the residue of a diamine of formula H2N-R3-NH2 without the NH2 groups.
- the R3 groups and the corresponding diamines of formula H2N-R3-NH2 described below also apply to the process according to the invention.
- Each R3 is independently a divalent group selected from an aliphatic group, a cycloaliphatic group, an aromatic group, an araliphatic group and a heterocyclic group.
- each R3 is independently a group chosen from C2-C24 alkylene, -(CRhRi)s-[A-(CRjRk)t]u- -(CRiR m ) v -CY-(CR n Ro )w-, and -(CR P R q ) x -CY-(CH2) y -CY-(CRrRs)z-; in which
- A is O or NX
- Rh, Ri, Rj, Rk Ri, Rm, R11, Ro, Rp, Rq, Rr and Rs are independently selected from H and methyl, in particular H;
- X is C1-C6 alkyl, especially methyl or ethyl
- CY is a ring selected from phenyl, cyclohexyl, naphthyl, decahydronaphthyl, piperazinyl, triazinyl and pyridinyl, the ring being unsubstituted or substituted by 1 to 3 C1-C4 alkyl groups; s ranges from 2 to 4, in particular s is 2; t ranges from 2 to 4, in particular t is 2; u ranges from 1 to 30; v, w, x y and z range independently from 0 to 4.
- Each R3 can in particular be a group chosen from C2-C24 alkylene and —(CRiR m )v-CY—(CR n Ro)w-; in particular a group chosen from C2-C18 alkylene and -(CH2)v-CY-(CH2)w- with CY a cyclohexyl or phenyl ring, the ring being unsubstituted or substituted by 1 to 3 C1-alkyl groups C4, v and w going from 0 to 1.
- each R3 may be a group selected from C2-C6 alkylene and a group having the following formula: [Chem 16] wherein the symbol • represents a point of attachment to a urea group of the compound of formula (I).
- the thixotropic composition according to the invention may in particular have more than 85 mol%, more than 90 mol%, more than 95 mol%, more than 97 mol%, more than 98 mol%, more than 99 mol% or 100 mol%, of all the R3 groups contained in the compound(s) of formula (I) which are groups of the following formula: [Chem 17]
- the thixotropic composition according to the invention can have from 86 to 100 mol%, from 90 to 100 mol%, from 95 to 100 mol%, from 97 to 100 mol%, from 98 to 100 mol%, from 99 to 100 mol%, or 100 mol%, of all the R3 groups contained in the compound(s) of formula (I) which are groups of the following formula:
- the group(s) R3 can in particular be the residue(s) of one (one or more) diamines of formula H2N-R3-NH2 without the NH2 groups.
- a diamine of formula H2N-R3-NH2 can be chosen from an aliphatic diamine in C2 to C24, a cycloaliphatic diamine in C6 to C18, an aromatic diamine in C6 to C24, an araliphatic diamine in C7-C26, a heterocyclic diamine in C3 to Cl 8.
- An aliphatic C2 to C24 diamine is a diamine of the formula H2N-R3-NH2 in which R3 is an aliphatic group comprising 2 to 24 carbon atoms.
- a diamine aliphatic can be linear or branched, preferably linear.
- An aliphatic diamine can be a polyetheramine, that is to say a diamine of formula H2N-R3-NH2 in which R3 comprises ether bonds (-O-), more particularly ethylene oxide units (-O-CH2 -CH2) and/or propylene oxide (-O-CH2-CHCH3-).
- An aliphatic diamine can be a polyalkyleneimine, that is to say a diamine of the formula H2N-R3-NH2 in which R3 is interrupted by one or more tertiary amines (-NX- with X a C1 to C6 alkyl).
- An aliphatic diamine can be interrupted by one or more tertiary amine groups. Examples of suitable linear aliphatic amines are 1,2-ethylenediamine, 1,3-prop ylenediamine, 1,4-tetramethylenediamine,
- 1,5-pentamethylenediamine 1,6-hexamethylenediamine, 1,8-octamethylenediamine, 1,12-dodecamethylenediamine and mixtures thereof; preferably 1,2-ethylenediamine,
- branched aliphatic amines 1,2-propylenediamine
- polyetheramines are the compounds marketed by Hunstmann under the reference Jeffamine®, in particular the Jeffamine® D, ED and EDR series (diamines). These series include in particular the following references Jeffamine®D-230, Jeffamine® D-400, Jeffamine® D-2000, Jeffamine® D-4000, Jeffamine® ED-600, Jeffamine® ED-900, Jeffamine® ED-2003, Jeffamine ®EDR-148, Jeffamine®EDR-176.
- An example of a polyalkyleneimine is 3,3'-diamino-A/-methyldipropylamine.
- a C6 to C18 cycloaliphatic diamine is a diamine of the formula H2N-R3-NH2 wherein R3 is a cycloaliphatic group comprising 6 to 18 carbon atoms.
- R3 is a cycloaliphatic group comprising 6 to 18 carbon atoms.
- suitable cycloaliphatic diamines are
- a C6 to C24 aromatic diamine is a diamine of the formula H2N-R3-NH2 in which R3 is an aromatic group comprising 6 to 24 carbon atoms.
- suitable aromatic diamines are ortho-, meta- and para-phenylenediamine, ortho-, meta- and para-tolylene diamine, 3,4'-diaminodiphenyl ether, 4,4'-diaminodiphenyl ether, and mixtures thereof; preferably ortho-, meta- and para-phenylenediamine.
- a C7 to C26 araliphatic diamine is a diamine of the formula H2N-R3-NH2 in which R3 is an araliphatic group comprising 7 to 26 carbon atoms.
- suitable araliphatic diamines are ortho-, meta- and para-xylylenediamine, 4,4'-diaminodiphenylmethane and mixtures thereof; preferably ortho-, meta- and para-xylylenediamine.
- a heterocyclic C3 to C18 diamine is a diamine of the formula H2N-R3-NH2 in which R3 is a heterocyclic group comprising 3 to 18 carbon atoms.
- suitable heterocyclic diamines are 1,2-diaminopiperazine, 1,4-diaminopiperazine, 1,4-bis(3-aminopropyl)piperazine, 2,3-, 2,6- and 3,4-diaminopyridine, 2,4- diamino-1,3,5-triazine and mixtures thereof.
- the thixotropic composition according to the invention comprises an aprotic solvent.
- the thixotropic composition can comprise a mixture of aprotic solvents.
- the aprotic solvent is chosen from dimethylsulfoxide, N,N-dimethylformamide, N,N-dimethylacetamide, N-methylpyrrolidone, N-ethylpyrrolidone, N-propylpyrrolidone, N-butylpyrrolidone, N,N,N',N '-tetramethylurea, and mixtures thereof.
- the aprotic solvent is chosen from dimethyl sulphoxide, N-butylpyrrolidone and their mixtures.
- the thixotropic composition may in particular comprise 20 to 95% by weight, in particular 40 to 80%, more particularly 50 to 70%, by weight of aprotic solvent relative to the weight of the thixotropic composition.
- the thixotropic composition according to the invention may also comprise a diurethane compound.
- the thixotropic composition can comprise a mixture of diurethane compounds.
- the diurethane compound may be a by-product resulting from the process for preparing the thixotropic composition according to the invention as described below.
- the Applicant assumes that the diurethane makes it possible to stabilize the thixotropic composition and reduce the number of by-products obtained during its preparation.
- the presence of diurethane in the thixotropic composition makes it possible to eliminate or greatly reduce the quantity of salt, in particular of lithium salt, or of surfactant compared to the compositions of the prior art.
- a diurethane compound may in particular correspond to a compound of formula (II): [Chem 19] in which R' and R2 are as defined above for the compound of formula (I).
- the thixotropic composition comprises 20% to 95%, in particular 25% to 85%, more particularly 35% to 75%, by moles of compound of formula (II) relative to the total molar quantity of compounds having one or more functions chosen from urea, urethane, and mixtures thereof, excluding aprotic solvent.
- the thixotropic composition according to the invention may also comprise a polyurea-diurethane compound.
- the thixotropic composition can comprise a mixture of polyurea-diurethane compounds.
- a polyurea-diurethane compound may in particular correspond to a compound of formula
- Polyurea-diurethane compounds being generally solid, it is advantageous to limit their quantity in the thixotropic composition. Although it is possible to reduce the residual diisocyanate content by implementing a distillation step before the reaction between the monoisocyanate adduct and the diamine, this represents a non-negligible cost and requires specific installations.
- the composition according to the invention has a low content of polyurea-diurethane compound although its method of preparation does not require a residual diisocyanate distillation step. This is made possible in particular by adjusting the molar ratio of the reagents used in the process for preparing the thixotropic composition as described below.
- the thixotropic composition less than 4%, in particular from 3.0 to 1.5%, from 2.0 to 1.0% or from 1.0 to 0% by moles of compound of formula (III) relative to the total molar quantity of compounds having one or more functions chosen from urea, urethane, and mixtures thereof, excluding aprotic solvent.
- the thixotropic composition according to the invention can be prepared according to the process described below.
- the preparation process according to the invention comprises a step a), a step b) and optionally one or more additional steps which can take place before step a), between step a) and step b) and/ or after step b).
- Step a) is a step during which at least one diisocyanate of formula
- Y and Z are independently selected from alkyl, alkenyl, cycloalkyl, aryl and alkylaryl;
- R a , Rb, Rc and Rd are independently chosen from H and methyl, in particular H; each n is independently 2, 3 or 4, in particular n is 2; m ranges from 1 to 30, in particular m ranges from 2 to 25; p is 3 to 5, in particular p is 5; q goes from 1 to 20, in particular q goes from 2 to 10.
- the groups R', R2 and R3, the diisocyanate of formula OCN-R2-NCO, the alcohol of formula R'-OH and the diamine of formula H2N-R3-NH2 can in particular be as defined above for the compound of formula I.
- the particular embodiments described for the compound of formula (I) also apply to the process according to the invention.
- Stage a) can in particular be carried out by gradually adding the at least one alcohol to a reactor containing the at least one diisocyanate.
- the at least one diisocyanate can in particular be in the molten state.
- the rate of addition of the at least one alcohol can be controlled in order to limit exothermicity.
- the rate of addition of the at least one alcohol can be controlled in order to maintain the temperature of the reaction medium less than or equal to 60° C., in particular from 20 to 60° C., from 25 to 55° C. or from 30 to 40°C.
- Stage a) is carried out with a molar ratio between the total quantity of alcohol and the total quantity of diisocyanate of 1.10 to 1.80.
- the molar ratio between the total amount of alcohol and the total amount of diisocyanate in step a) ranges from 1.20 to 1.60, more particularly from 1.25 to 1.45, even more particularly 1 .30 to 1.40.
- the ratio of alcohol to diisocyanate in step a) makes it possible to limit the quantity of residual diisocyanate at the end of step a).
- the quantity of residual diisocyanate at the end of stage a) corresponds to the quantity of diisocyanate introduced in stage a) which has not reacted with F at least one alcohol. Controlling the amount of residual diisocyanate at the end of step a) advantageously makes it possible to limit the formation of insoluble species, in particular of compound of formula (III) as described previously, during step b).
- the quantity of residual diisocyanate in the reaction mixture at the end of step a) is less than 6%, in particular from 0 to 5%, from 0.01 to 4.5% or from 0.05 to 4 mol% relative to the molar quantity of all the compounds having one or more functions chosen from urethane, isocyanate and mixtures thereof.
- step a) advantageously makes it possible to avoid the implementation of a step for eliminating residual diisocyanate. Indeed, the amount of residual diisocyanate at the end of step a) is sufficiently low and will not cause excessive formation of insoluble species, in particular of compound of formula (III) as described above, during the step b). According to a particular embodiment, the process according to the invention does not comprise a step for distilling residual diisocyanate, in particular no step for distilling residual diisocyanate between step a) and step b).
- the ratio of alcohol relative to the diisocyanate in step a) can lead to the formation of one or more diurethane compound(s) as described above.
- the Applicant assumes that the presence of diurethane compound in the thixotropic composition makes it possible to stabilize the urea bonds formed during step b). Thus, it is possible to greatly reduce, or even eliminate, the amount of stabilizer (in particular salt, for example lithium salt, or surfactant) added in step b) compared to the methods of the prior art.
- stabilizer in particular salt, for example lithium salt, or surfactant
- step a) can be continued until the NCO index of the reaction mixture reaches the theoretical NCO index.
- the NCO index at the end of step a) may in particular be less than 200 mg KOH/g.
- the NCO index at the end of step a) can be from 5 to 150 mg KOH/g, from 25 to 125 mg KOH/g, from 50 to 100 mg KOH/g or 60 to 80 mg KOH /g.
- the NCO index at the end of step a) can in particular be measured according to the method described below.
- the theoretical NCO index at the end of step a) can in particular be calculated according to the method described below.
- Stage b) can in particular be carried out by gradually adding the mixture obtained in stage a) to a reactor containing at least one diamine and optionally aprotic solvent and/or salt.
- the rate of addition of the mixture obtained in step a) can be controlled in order to limit the exotherm.
- the rate of addition of the mixture obtained in step a) can be controlled in order to maintain the temperature of the reaction medium less than or equal to 80° C., in particular from 20 to 80° C., from 30 to 70° C. C, or 40 to 60°C.
- step b) can be continued until the NCO index of the reaction mixture reaches the desired value.
- the NCO number of the composition obtained by the process of the invention may in particular be less than 0.5 mg KOH/g, in particular less than 0.2 mg KOH/g, more particularly less than 0.1 mg KOH/ g, more particularly still 0 mg KOH/g.
- the NCO index of the composition can in particular be determined according to the method described below.
- Stage b) is carried out in the presence of less than 0.2 mole of salt per mole of diamine used.
- step b) is carried out in the presence of 0 to 0.19, 0 to 0.15, 0 to 0.1, 0 to 0.05, 0 to 0.02, 0 to 0.01 or 0 moles of salt per mole of diamine used.
- the salt may in particular be as defined previously for the thixotropic composition.
- Step b) can be carried out in the presence of less than 0.2 mole of surfactant per mole of diamine used.
- step b) is carried out in the presence of 0 to 0.19, 0 to 0.15, 0 to 0.1, 0 to 0.05, 0 to 0.02, 0 to 0.01 or 0 moles of surfactant per mole of diamine used.
- the surfactant can in particular be as defined previously for the thixotropic composition.
- the molar ratio between the total amount of monoisocyanate adduct and the total amount of diamine in step b) can range from 1.8 to 2.2.
- the molar ratio between the total amount of monoisocyanate adduct and the total amount of diamine in step b) ranges from 1.9 to 2.1, more particularly from 1.95 to 2.05, even more particularly from 1.98 to 2.02.
- a solvent can be added in step a) and/or in step b) and/or between step a) and step b) in order to reduce the viscosity of the composition and solubilize the compounds obtained.
- step a) and/or step b) can be carried out in the presence of an aprotic solvent.
- the viscosity of the reaction medium obtained at the end of step a) can be lowered by adding aprotic solvent.
- the aprotic solvent can in particular be as defined above for the thixotropic composition.
- the method according to the invention can be implemented using an alcohol or a mixture of alcohols in step a).
- R2 and R3 are as previously defined.
- the alcohol R1-OH of the first embodiment may in particular be a linear or branched C1-C30 alkyl substituted by OH.
- R4 and R5 groups as well as the alcohols of formula R4-OH and R5-OH can in particular be as defined previously for the compound of formula I.
- the R4-OH alcohol can be more hydrophobic than the R5-OH alcohol; and/or the R5-OH alcohol may have a higher molecular weight than the R4-OH alcohol.
- the molecular masses of the alcohols R4-OH and R5-OH can be different.
- R4-OH can have a lower molecular weight than R5-OH. More particularly, the difference between the molecular mass of R4-OH and that of R5-OH can be at least 50, at least 100, at least 150, at least 200, at least 300 or at least 350 g/mol.
- the chemical natures of the alcohols R4-OH and R5-OH may be different.
- the R4-OH alcohol can be more hydrophobic than the R5-OH alcohol.
- the alcohols R4-OH and R5-OH can be alcohols of formula HO-[(CR a Rb)ii-O] m -Y having different molecular masses, Y, R a , Rb, n and m being as defined previously.
- the alcohol R4-OH can be a linear or branched C1-C30 alkyl substituted by OH and the alcohol R5-OH can be an alcohol of formula HO-[(CR a Rb)nO] m -Y in which Y, R a , Rb, n and m are as defined previously.
- the total molar quantity of the alcohol R5-OH in particular of the less hydrophobic alcohol and/or of the alcohol having the highest molecular weight, may in particular represent more than 20% , in particular from 25 to 95%, 30 to 90%, 35 to 85%, or 40 to 80%, of the total molar quantity of the alcohols R4-OH and R5-OH introduced in step a).
- the alcohol R5-OH in particular the least hydrophobic alcohol and/or the alcohol having the highest molecular mass
- the alcohol R4-OH in particular the most hydrophobic alcohol and/or the alcohol having the lowest molecular weight
- the mixture obtained in step a) reacts with at least one diamine of formula H 2 N-RS-NH 2 to form a compound of formula (Ia), a compound of formula (Id) and optionally one or more compounds of formula (Ib) (le) (le) or (If) represented below:
- R4, R5 and R ⁇ groups, as well as the alcohols of formula R4-OH, R5-OH and R ⁇ -OH can in particular be as defined previously for the compound of formula I.
- the R4-OH alcohol can be more hydrophobic than the R5-OH alcohol and/or the R6-OH alcohol; and/or the R4-OH alcohol may have a lower molecular weight than that of the R5-OH alcohol and/or than that of the R6-OH alcohol.
- the molecular masses of the alcohols R4-OH, R5-OH and R6-OH can be different.
- R4-OH can have a lower molecular mass than that of R5-OH; and/or R4-OH may have a lower molecular weight than R6-OH; and/or R5-OH may have a lower molecular weight than R6-OH.
- the R4-OH alcohol has a lower molecular weight than those of the R5-OH and R6-OH alcohols. More particularly still, the difference between the molecular mass of R4-OH and that of R5-OH; and/or the difference between the molecular mass of R4-OH and that of R6-OH; and/or the difference between the molecular mass of R5-OH and that of R6-OH can be at least 50, at least 100, at least 150, at least 200, at least 300 or at least 350 g/mol.
- R4-OH, R5-OH and R ⁇ -OH can have different chemical natures.
- R4-OH can be more hydrophobic than R5-OH; and/or R4-OH may be more hydrophobic than R6-OH; and/or R5-OH may be more hydrophobic than R6-OH.
- the R4-OH alcohol is more hydrophobic than the R5-OH and R ⁇ -OH alcohols.
- the alcohol R4-OH can be a linear or branched C1-C30 alkyl substituted by OH and the alcohols R5-OH and R ⁇ -OH can be alcohols of formula HO-[(CR a Rb )ii-O] m -Y having different molecular masses, Y, R a , Rb, n and m being as defined previously.
- the total molar quantity of alcohols R5-OH and R ⁇ -OH in particular the total molar quantity of the least hydrophobic alcohols and/or of the alcohols having the highest molecular masses, may in particular represent more than 20%, in particular 25 to 95%, 30 to 90%, 35 to 85%, or 40 to 80%, of the total molar quantity of the alcohols R4-OH, R5-OH and R ⁇ -OH introduced in step a).
- the alcohols R5-OH and R ⁇ -OH in particular the less hydrophobic alcohols and/or the alcohols having the highest molecular masses, can in particular be reacted with the diisocyanate before the alcohol R4-OH, in particular the most hydrophobic alcohol and/or the alcohol having the lowest molecular weight is introduced into the reaction mixture of step a).
- Binder composition in particular the less hydrophobic alcohols and/or the alcohols having the highest molecular masses, can in particular be reacted with the diisocyanate before the alcohol R4-OH, in particular the most hydrophobic alcohol and/or the alcohol having the lowest molecular weight is introduced into the reaction mixture of step a).
- the thixotropic composition according to the invention is advantageously introduced into a binder composition to modify its rheology, in particular to give it a thixotropic or pseudoplastic effect.
- the binder composition according to the invention comprises a binder and the thixotropic composition as described above.
- the binder composition is a coating composition, in particular a varnish, filler, surface gel, paint or ink composition, an adhesive, glue or mastic, a molding composition, a composite material composition, a chemical sealing composition, a sealing agent composition, a photo-crosslinkable composition for stereolithography or for printing 3D objects, in particular by inkjet.
- a coating composition in particular a varnish, filler, surface gel, paint or ink composition, an adhesive, glue or mastic, a molding composition, a composite material composition, a chemical sealing composition, a sealing agent composition, a photo-crosslinkable composition for stereolithography or for printing 3D objects, in particular by inkjet.
- the binder composition may in particular comprise 0.5 to 15%, in particular 1 to 10%, more particularly 2 to 7%, by weight of thixotropic composition relative to the weight of the binder composition.
- the binder composition can in particular be an aqueous or solvent-based composition.
- the binder composition is an aqueous composition.
- the binder composition according to the invention is crosslinkable, either thermally and/or chemically (in particular by adding a crosslinking agent such as a peroxide, an epoxy resin, a melamine/formaldehyde resin, a blocked polyisocyanate or unblocked, an anhydride, an amine, a hydrazide, an aziridine, an alkoxy-silane), or by irradiation under radiation such as UV (in the presence of at least one photoinitiator) and/or EB (beam of electrons, without initiator), including self-crosslinking at room temperature, or it is non-crosslinking.
- the binder composition can be single-component crosslinkable (a single reactive component) or two-component (binder based on two reactive components with each other by mixing during use).
- the binder may be a binder commonly used in the field of coatings, varnishes and paints, such as those described in Ullmann's Encyclopedia of Industrial Chemistry, 5 th Edition, Vol. A18, p. 368-426, VCH, Weinherim 1991.
- the binder is chosen from a nitrocellulose, a cellulose ester (for example cellulose acetate or cellulose butyrate), a vinyl resin (for example a polyolefin such as polyethylene or polyisobutylene, an olefin-based copolymer such as a ethylene-vinyl acetate copolymer, or a modified polyolefin such as a chlorinated or chlorosulfonylated polyethylene or polypropylene), a fluoropolymer (for example polytetrafluoroethylene (PTFE), a tetrafluoroethylene-hexafluoropropylene (FEP) copolymer, an ethylene-tetrafluoroethylene (ETFE ), polyvinylidene fluoride (PVDF)), polyvinyl ester (e.g.
- a cellulose ester for example cellulose acetate or cellulose butyrate
- a vinyl resin for example a polyolefin such
- polyvinyl acetate or vinyl acetate-based copolymer polyvinyl alcohol, polyvinyl acetal, polyvinyl ether, acrylic resin, alkyd, an alkyd resin grafted with a polyester or a polyamide or modified diurea-diurethane, a saturated or unsaturated polyester resin, a polyurethane, a crosslinkable two-component polyurethane, an epoxy resin, a silicone resin, a polysiloxane, a phenolic resin, a reactive epoxy-amine system (crosslinkable two-component), a polysulphide polymer, a multifunctional oligomer (meth)acrylate or acrylated acrylic oligomer or allylic multifunctional oligomer, an elastomer (for example SBR, polychloroprene or butyl rubber), a silanated prepolymer (for example a silanated polyether or a silanated polyurethane, or a silanated polyether-
- the binder can be an aqueous dispersion of polymer or copolymer particles, also called latex.
- the polymers or copolymers can in particular be chosen from an acrylic, styrene/acrylic, vinyl acetate/acrylic, ethylene/vinyl acetate polymer or copolymer.
- the binder can be selected from the following crosslinkable two-component reactive systems: epoxy-amine or epoxy-polyamide systems comprising at least one epoxy resin comprising at least two epoxy groups and at least one amine or polyamide compound comprising at least two amine groups, polyurethane systems comprising at least one polyisocyanate and at least one polyol, polyol-melamine systems, and polyester systems based on at least one epoxy or on a polyol reactive with at least one acid or a corresponding anhydride.
- the binder can be a two-component crosslinkable polyurethane system or a two-component crosslinkable polyester system from an epoxy-acid or carboxylic anhydride reaction system, or from a polyol-acid or carboxylic anhydride, or a polyol-melamine reaction system in which the polyol is a hydroxylated acrylic resin, or a polyester or polyether polyol.
- the binder composition according to the invention is a two-component polyurethane composition based on a hydroxylated acrylic dispersion.
- the binder composition according to the invention may comprise other components such as, for example, fillers, plasticizers, wetting agents or even pigments.
- the thixotropic composition according to the invention is used as a rheology agent, in particular as a thixotropic agent.
- the incorporation of the thixotropic composition into a binder composition makes it possible to modify its rheology, in particular to give it a thixotropic effect.
- the NCO index is measured by assay with a Metrohm titrimeter (848 titrino plus) equipped with a Metrohm reference 6.0229.100 measurement probe.
- the sample to be analyzed is weighed in a 250 ml screw-type Erlenmeyer flask. 50 ml of Xylene - for step a) - and 50 ml of DMSO - for step b) - are added and the Erlenmeyer flask is sealed. The sample is completely dissolved by magnetic stirring, heating if necessary. If the dissolution of the sample required heating, the mixture is allowed to return to room temperature before the next operation.
- the NCO index is calculated according to the following equation:
- VE Volume of titrant poured for sample assay (mL)
- NT Normality of the titrant (0.1 N)
- the viscosity was measured in accordance with standard NF EN ISO 2555 June 2018 using a Brookfield® viscometer at 23°C (spindle: S 5).
- a cylindrical mobile rotates at a constant rotational speed around its axis in the product to be examined.
- the resistance which is exerted by the fluid on the mobile depends on the viscosity of the product. This resistance causes the spiral spring to twist, which is translated into a viscosity value.
- the thixotropic index was measured by dividing the viscosity obtained with a Brookfield® viscometer at 23° C. at a speed of 5 revolutions per minute by the viscosity obtained with this same viscometer at a speed of 50 revolutions per minute.
- a F1 paint formulation was prepared with the following ingredients:
- the Fl formulation of the aqueous paint was prepared using a high speed disperser (HSD).
- HSD high speed disperser
- part A was prepared by adding the different components and dispersing for 15 minutes at 2000 rpm.
- Part B was prepared separately by adding the coalescing agent into the resin at a dispersing speed of 800 rpm and continuing to disperse for 10 minutes at the same speed.
- Part B was added to Part A dispersing at 800 rpm for 10 minutes.
- BYK® 024 and BYK® 333 additives were added and the F1 formulation was dispersed at 800 rpm for 10 minutes.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Polyurethanes Or Polyureas (AREA)
- Paints Or Removers (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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KR1020237022351A KR20230116896A (ko) | 2020-12-07 | 2021-12-06 | 디우레아-디우레탄에 기초한 요변성 조성물 |
EP21823303.9A EP4255955A1 (fr) | 2020-12-07 | 2021-12-06 | Composition thixotropique à base de diurée-diuréthane |
JP2023534654A JP2023552227A (ja) | 2020-12-07 | 2021-12-06 | ジウレア-ジウレタンをベースとしたチキソトロピー組成物 |
CN202180082122.8A CN116670195A (zh) | 2020-12-07 | 2021-12-06 | 基于二脲-二脲烷的触变组合物 |
US18/038,239 US20230406991A1 (en) | 2020-12-07 | 2021-12-06 | Thixotropic diurea-diurethane composition |
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FRFR2012756 | 2020-12-07 | ||
FR2012756A FR3117124B1 (fr) | 2020-12-07 | 2020-12-07 | Composition thixotropique à base de diurée-diuréthane |
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PCT/EP2021/084323 WO2022122617A1 (fr) | 2020-12-07 | 2021-12-06 | Composition thixotropique à base de diurée-diuréthane |
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US (1) | US20230406991A1 (fr) |
EP (1) | EP4255955A1 (fr) |
JP (1) | JP2023552227A (fr) |
KR (1) | KR20230116896A (fr) |
CN (1) | CN116670195A (fr) |
FR (1) | FR3117124B1 (fr) |
TW (1) | TW202231622A (fr) |
WO (1) | WO2022122617A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2023237595A1 (fr) * | 2022-06-08 | 2023-12-14 | Arkema France | Composition à base d'un composant polymérisable et d'un additif thixotropique |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4314924A (en) | 1978-05-26 | 1982-02-09 | Byk-Mallinckrodt Chemische Produkte Gmbh | Thixotropic agent for use in coating compositions |
US6420466B1 (en) | 1999-04-29 | 2002-07-16 | Byk-Chemie Gmbh | Process for preparing a thixotropic agent and its use |
US9458332B2 (en) * | 2012-12-15 | 2016-10-04 | Byk-Chemie Gmbh | Composition for rheology control |
WO2019190997A1 (fr) * | 2018-03-27 | 2019-10-03 | Advansix Resins & Chemicals Llc | Compositions thixotropiques d'agents modifiant la rhéologie |
-
2020
- 2020-12-07 FR FR2012756A patent/FR3117124B1/fr active Active
-
2021
- 2021-12-06 EP EP21823303.9A patent/EP4255955A1/fr active Pending
- 2021-12-06 JP JP2023534654A patent/JP2023552227A/ja active Pending
- 2021-12-06 TW TW110145507A patent/TW202231622A/zh unknown
- 2021-12-06 US US18/038,239 patent/US20230406991A1/en active Pending
- 2021-12-06 KR KR1020237022351A patent/KR20230116896A/ko unknown
- 2021-12-06 CN CN202180082122.8A patent/CN116670195A/zh active Pending
- 2021-12-06 WO PCT/EP2021/084323 patent/WO2022122617A1/fr active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4314924A (en) | 1978-05-26 | 1982-02-09 | Byk-Mallinckrodt Chemische Produkte Gmbh | Thixotropic agent for use in coating compositions |
US6420466B1 (en) | 1999-04-29 | 2002-07-16 | Byk-Chemie Gmbh | Process for preparing a thixotropic agent and its use |
US9458332B2 (en) * | 2012-12-15 | 2016-10-04 | Byk-Chemie Gmbh | Composition for rheology control |
WO2019190997A1 (fr) * | 2018-03-27 | 2019-10-03 | Advansix Resins & Chemicals Llc | Compositions thixotropiques d'agents modifiant la rhéologie |
Non-Patent Citations (1)
Title |
---|
"Ullmann's Encyclpedia of Industrial Chemistry", vol. A18, 1991, VCH, pages: 368 - 426 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023237595A1 (fr) * | 2022-06-08 | 2023-12-14 | Arkema France | Composition à base d'un composant polymérisable et d'un additif thixotropique |
FR3136474A1 (fr) * | 2022-06-08 | 2023-12-15 | Arkema France | Composition à base d’un composant polymérisable et d’un additif thixotropique |
Also Published As
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EP4255955A1 (fr) | 2023-10-11 |
FR3117124A1 (fr) | 2022-06-10 |
CN116670195A (zh) | 2023-08-29 |
JP2023552227A (ja) | 2023-12-14 |
FR3117124B1 (fr) | 2023-12-01 |
KR20230116896A (ko) | 2023-08-04 |
TW202231622A (zh) | 2022-08-16 |
US20230406991A1 (en) | 2023-12-21 |
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