The present invention provides a cosmetic composition comprising, in a cosmetically acceptable organic liquid medium, at least one film-forming ethylenic linear block polymer, and another film former. The film former may be soluble or dispersible in the said organic liquid medium. The composition ma
The present invention provides a cosmetic composition comprising, in a cosmetically acceptable organic liquid medium, at least one film-forming ethylenic linear block polymer, and another film former. The film former may be soluble or dispersible in the said organic liquid medium. The composition may include an aqueous phase, in which case the film former may be soluble or dispersible in the aqueous phase. The invention further provides for the use of the combination of such a block polymer and a film former for enhancing the staying power of the said composition on the keratin materials.
대표청구항▼
1. A cosmetic composition comprising an organic liquid medium, at least one film-forming ethylenic linear block polymer free from styrene units, and at least one other film former which is soluble or dispersible in the organic liquid medium, wherein the at least one film-forming ethylenic linear blo
1. A cosmetic composition comprising an organic liquid medium, at least one film-forming ethylenic linear block polymer free from styrene units, and at least one other film former which is soluble or dispersible in the organic liquid medium, wherein the at least one film-forming ethylenic linear block polymer has a polydispersity index ranging from 2.5 to 8 and comprises a first block and a second block of different glass transition temperatures (Tg),wherein the first and second blocks are linked together via an intermediate segment that is different from the first and second blocks and comprises at least one constituent monomer of the first block and at least one constituent monomer of the second block,wherein the at least one constituent monomer of the first block differs from the at least one constituent monomer of the second block, the intermediate segment is a random copolymer block, and the first block of the polymer is a block with a Tg of greater than or equal to 40° C., and the second block is a block with a Tg of less than or equal to 20° C.,wherein the first block is derived from at least one monomer chosen from: methacrylates of formula CH2═C(CH3)—COOR1 wherein R1 is chosen from linear and branched unsubstituted alkyl groups comprising from 1 to 4 carbon atoms, and from C4 to C12 cycloalkyl groups; acrylates of formula CH2═CH—COOR2 wherein R2 is chosen from C4 to C12 cycloalkyl groups; and (meth)acrylamides of formula: where R7 and R8, which are identical or different, are chosen from hydrogen atoms and from linear and branched alkyl groups comprising 1 to 12 carbon atoms; or alternatively R7 is a H atom and R8 is a 1,1-dimethyl-3-oxobutyl group and R′ is chosen from H and methyl,wherein the second block is derived from at least one monomer chosen from: acrylates of formula CH2═CHCOOR3,wherein R3 is chosen from linear and branched C1 to C12 unsubstituted alkyl groups, with the proviso that the alkyl groups are not chosen from a tert-butyl group; methacrylates of formula CH2═C(CH3)—COOR4,wherein R4 is chosen from linear and branched C6 to C12 unsubstituted alkyl groups; vinyl esters of formula R5—CO—O—CH═CH2 wherein R5 is chosen from linear and branched C4 to C12 alkyl groups; C4 to C12 alkyl vinyl ethers; andN—(C4 to C12 alkyl)acrylamides,wherein the intermediate block does not comprise acrylates or methacrylates comprising a COOR side chain in which R comprises an intercalated heteroatom chosen from O, N and S,wherein the first and the second blocks are incompatible in the organic liquid medium, andwherein the at least one film-forming ethylenic linear block polymer is non-elastomeric. 2. A cosmetic composition comprising an organic liquid medium, at least one aqueous phase, at least one film-forming ethylenic linear block polymer free from styrene units, and at least one other film former which is soluble or dispersible in the aqueous phase, wherein the at least one film-forming ethylenic linear block polymer has a polydispersity index ranging from 2.5 to 8 and comprises a first block and a second block of different glass transition temperatures (Tg),wherein the first and second blocks are linked together via an intermediate segment that is different from the first and second blocks and comprises at least one constituent monomer of the first block and at least one constituent monomer of the second block,wherein the at least one constituent monomer of the first block differs from the at least one constituent monomer of the second block, the intermediate segment is a random copolymer block, and the first block of the polymer is a block with a Tg of greater than or equal to 40° C., and the second block is a block with a Tg of less than or equal to 20° C.,wherein the first block is derived from at least one monomer chosen from: methacrylates of formula CH2═C(CH3)—COOR1 wherein R1 is chosen from linear and branched unsubstituted alkyl groups comprising from 1 to 4 carbon atoms, and from C4 to C12 cycloalkyl groups; acrylates of formula CH2═CH—COOR2 wherein R2 is chosen from C4 to C12 cycloalkyl groups; and (meth)acrylamides of formula: where R7 and R8, which are identical or different, are chosen from hydrogen atoms and from linear and branched alkyl groups comprising 1 to 12 carbon atoms; or alternatively R7 is a H atom and R8 is a 1,1-dimethyl-3-oxobutyl group and R′ is chosen from H and methyl,wherein the second block is derived from at least one monomer chosen from: acrylates of formula CH2═CHCOOR3,wherein R3 is chosen from linear and branched C1 to C12 unsubstituted alkyl groups, with the proviso that the alkyl groups are not chosen from a tert-butyl group; methacrylates of formula CH2═C(CH3)—COOR4,wherein R4 is chosen from linear and branched C6 to C12 unsubstituted alkyl groups; vinyl esters of formula R5—CO—O—CH═CH2 wherein R5 is chosen from linear and branched C4 to C12 alkyl groups; C4 to C12 alkyl vinyl ethers; andN—(C4 to C12 alkyl)acrylamides,wherein the intermediate block does not comprise acrylates or methacrylates comprising a COOR side chain in which R comprises an intercalated heteroatom chosen from O, N and S,wherein the first and the second blocks are incompatible in the organic liquid medium, andwherein the at least one film-forming ethylenic linear block polymer is non-elastomeric. 3. The cosmetic composition according to claim 1, wherein the at least one film-forming ethylenic linear block polymer is an ethylenic polymer obtained from aliphatic ethylenic monomers comprising a carbon-carbon double bond and at least one ester group —COO— or amide group —CON—. 4. The cosmetic composition according to claim 1, wherein the at least one film-forming ethylenic linear block polymer is not soluble at an amount of active substance of at least 1% by weight in water or in a mixture of water and linear or branched lower monoalcohols comprising 2 to 5 carbon atoms, without a change in pH, at ambient temperature (25° C.). 5. The cosmetic composition according to claim 1, wherein the intermediate segment has a glass transition temperature between the glass transition temperatures of the first and the second blocks. 6. The cosmetic composition according to claim 1, wherein the first block comprises at least one monomer chosen from methyl methacrylate, isobutyl (meth)acrylate, and isobornyl (meth)acrylate. 7. The cosmetic composition according to claim 1, wherein the second block comprises at least one monomer chosen from alkyl acrylates wherein the alkyl chain comprises from 1 to 10 carbon atoms, with the exception of the tert-butyl group. 8. The cosmetic composition according to claim 1, wherein the first block is a copolymer. 9. The cosmetic composition according to claim 1, wherein the first block is present in an amount ranging from 20% to 90% by weight, relative to the total weight of the polymer. 10. The cosmetic composition according to claim 9, wherein the first block is present in an amount ranging from 50% to 70% by weight, relative to the total weight of the polymer. 11. The cosmetic composition according to claim 1, wherein the second block is a homopolymer. 12. The cosmetic composition according to claim 1, wherein the second block is present in an amount ranging from 5% to 75% by weight relative to the total weight of the polymer. 13. The cosmetic composition according to claim 12, wherein the second block is present in an amount ranging from 25% to 45% by weight relative to the total weight of the polymer. 14. The cosmetic composition according to claim 1, wherein at least one of the first block and the second block comprises at least one additional monomer chosen from: ethylenically unsaturated monomers comprising at least one carboxylic or sulphonic acid function;ethylenically unsaturated monomers comprising at least one tertiary amine function;methacrylates of formula CH2═C(CH3)—COOR6 wherein R6 is chosen from linear and branched alkyl groups comprising from 1 to 4 carbon atoms, the alkyl group being substituted by at least one substituent chosen from hydroxyl groups and halogen atoms chosen from Cl, Br, I and F; methacrylates of formula CH2═C(CH3)—COOR9,wherein R9 is chosen from linear and branched C6 to C12 alkyl groups, the alkyl group being substituted by at least one substituent chosen from halogen atoms chosen from Cl, Br, I and F; and acrylates of formula CH2═CHCOOR10,wherein R10 is chosen from linear and branched C1 to C12 alkyl groups substituted by at least one substituent chosen from hydroxyl groups and halogen atoms chosen from Cl, Br, I and F, or R10 is a C1 to C12 alkyl-O-POE (polyoxyethylene) with repetition of the oxyethylene unit from 5 to 30 times, or R10 is a polyoxyethylenated group comprising from 5 to 30 ethylene oxide unitsandwherein the ethylenically unsaturated monomers comprising at least one silicon atom are chosen from methacryloxypropyltrimethoxysilane and methacryloxy-propyltris(trimethylsiloxy)silane. 15. The cosmetic composition according to claim 14, wherein each of the first and the second blocks comprises at least one additional monomer chosen from acrylic acid, (meth)acrylic acid, and trifluoroethyl methacrylate. 16. The cosmetic composition according to claim 14, wherein each of the first and the second blocks comprises at least one monomer chosen from esters of (meth)acrylic acid and optionally the at least one additional monomer. 17. The cosmetic composition according to claim 14, wherein the at least one additional monomer is present in an amount ranging from 1% to 30% by weight of the total weight of the first and/or the second blocks. 18. The cosmetic composition according to claim 1, wherein the difference between the glass transition temperatures (Tg) of the first and the second blocks is greater than 40° C. 19. The cosmetic composition according to claim 1, wherein the at least one film-forming ethylenic linear block polymer has a weight-average mass (Mw) of less than or equal to 300 000. 20. The cosmetic composition according to claim 19, wherein the weight-average mass (Mw) ranges from 35 000 to 200 000. 21. The cosmetic composition according to claim 19, wherein the weight-average mass (Mw) ranges from 45 000 to 150 000. 22. The cosmetic composition according to claim 19, wherein the weight-average mass (Mw) is less than or equal to 70 000. 23. The cosmetic composition according to claim 22, wherein the weight-average mass (Mw) ranges from 10 000 to 60 000. 24. The cosmetic composition according to claim 23, wherein the weight-average mass (Mw) ranges from 12 000 to 50 000. 25. The cosmetic composition according to claim 1, wherein the composition comprises from 0.1% to 60% by weight of polymer active substance. 26. The cosmetic composition according to claim 25, wherein the composition comprises from 10% to 40% by weight of polymer active substance. 27. The cosmetic composition according to claim 1, wherein the at least one other film former is a film-forming polymer which is soluble in the organic liquid medium. 28. The cosmetic composition according to claim 27, wherein the at least one other film former is a fat-soluble film-forming polymer. 29. The cosmetic composition according to claim 28, wherein the fat-soluble film-forming polymer is chosen from the fat-soluble, amorphous homopolymers and copolymers of olefins, of cycloolefins, of butadiene, of isoprene, of styrene, of vinyl ethers, esters or of amides, and of (meth)acrylic acid esters and amides comprising a linear, branched or cyclic C4-50 alkyl group. 30. The cosmetic composition according to claim 28, wherein the fat-soluble film-forming polymer is chosen from homopolymers and copolymers comprising monomers chosen from isooctyl (meth)acrylate, isononyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, lauryl (meth)acrylate, isopentyl (meth)acrylate, n-butyl (meth)acrylate, isobutyl (meth)acrylate, methyl (meth)acrylate, tert-butyl (meth)acrylate, tridecyl (meth)acrylate, stearyl (meth)acrylate, and mixtures thereof. 31. The cosmetic composition according to claim 28, wherein the fat-soluble film-forming polymer is chosen from amorphous and fat-soluble polycondensates. 32. The cosmetic composition according to claim 28, wherein the fat-soluble film-forming polymer is chosen from amorphous and fat-soluble polysaccharides comprising alkyl (ether or ester) side chains. 33. The cosmetic composition according to claim 28, wherein the fat-soluble film-forming polymer bears fluoro groups. 34. The cosmetic composition according to claim 33, wherein the fat-soluble film-forming polymer bearing fluoro groups is chosen from alkyl (meth)acrylate/perfluoroalkyl (meth)acrylate copolymers. 35. The cosmetic composition according to claim 28, wherein the fat-soluble film-forming polymer is chosen from polymers and copolymers resulting from the polymerization or copolymerization of an ethylenic monomer comprising at least one ethylenic bond. 36. The cosmetic composition according to claim 35, wherein the polymer and copolymer resulting from the polymerization or copolymerization of an ethylenic monomer are chosen from polystyrene/copoly(ethylene/butylene)s. 37. The cosmetic composition according to claim 28, wherein the fat-soluble film-forming polymer is chosen from polymers comprising a non-silicone organic skeleton grafted with monomers comprising a polysiloxane. 38. The cosmetic composition according to claim 28, wherein the fat-soluble film-forming polymer is chosen from silicone polymers grafted with non-silicone organic monomers. 39. The cosmetic composition according to claim 1, wherein the at least one other film former is a film-forming polymer which is dispersible in the organic liquid medium. 40. The cosmetic composition according to claim 39, wherein the organic liquid medium comprises at least one oil, in which the film former is dispersible, and wherein the film former is in the form of a non-aqueous dispersion of polymer particles. 41. The cosmetic composition according to claim 2, wherein the at least one other film former is a film-forming polymer which is dispersible in the aqueous phase. 42. The cosmetic composition according to claim 41, wherein the film-forming polymer which is dispersible in the aqueous phase is chosen from polyurethanes, polyurethane-acrylics, polyurethane-polyvinylpyrrolidones, polyester-polyurethanes, polyether-polyurethanes, polyureas, polyurea/polyurethanes, and mixtures thereof. 43. The cosmetic composition according to claim 41, wherein the film-forming polymer which is dispersible in the aqueous phase is an aliphatic, cycloaliphatic or aromatic polyurethane copolymer, or a polyurea/polyurethane or polyurea copolymer comprising: at least one block of linear or branched aliphatic and cycloaliphatic and/or aromatic polyester origin, and/orat least one block of aliphatic and/or cycloaliphatic and/or aromatic polyether origin, and/orat least one substituted or unsubstituted, branched or unbranched silicone block and/orat least one block comprising fluoro groups. 44. The cosmetic composition according to claim 41, wherein the film-forming polymer which is dispersible in the aqueous phase is chosen from polyesters, polyesteramides, fatty-chain polyesters, polyamides and epoxy ester resins. 45. The cosmetic composition according to claim 41, wherein the film-forming polymer which is dispersible in the aqueous phase is chosen from acrylic polymers, acrylic copolymers and vinyl polymers. 46. The cosmetic composition according to claim 1, wherein the at least one other film former is present in an amount ranging from 2% to 60% by weight of dry compound relative to the total weight of the composition. 47. The cosmetic composition according to claim 1, wherein the at least one other film former is present in an amount ranging from 2% to 30% by weight of dry compound relative to the total weight of the composition. 48. The cosmetic composition according to claim 1, further comprising at least one colorant chosen from water-soluble dyes and pulverulent colorants. 49. The cosmetic composition according to claim 1, wherein the composition is in a form chosen from a suspension, dispersion, solution, gel, emulsion cream, paste, mousse, a vesicle dispersion, a two-phase lotion, a multi-phase lotion, a spray, powder, paste, a stick and a cast solid. 50. The cosmetic composition according to claim 1, wherein the composition is in anhydrous form. 51. The cosmetic composition according to claim 1, wherein the composition is in a form chosen from a composition for making up or caring for keratin materials, a lip makeup product, an eye makeup product, a complexion makeup product, a nail makeup product. 52. A composition for coating keratin fibers, comprising an organic liquid medium, at least one aqueous phase, at least one film-forming ethylenic linear block polymer and at least one other film former soluble or dispersible in the aqueous phase, wherein the at least one film-forming ethylenic linear block polymer has a polydispersity index ranging from 2.5 to 8 and comprises a first block and a second block of different glass transition temperatures (Tg),wherein the first and second blocks are linked together via an intermediate segment that is different from the first and second blocks and comprises at least one constituent monomer of the first block and at least one constituent monomer of the second block,wherein the at least one constituent monomer of the first block differs from the at least one constituent monomer of the second block, the intermediate segment is a random copolymer block, and the first block of the polymer is a block with a Tg of greater than or equal to 40° C., and the second block is a block with a Tg of less than or equal to 20° C.,wherein the first block is derived from at least one monomer chosen from: methacrylates of formula CH2═C(CH3)—COOR1 wherein R1 is chosen from linear and branched unsubstituted alkyl groups comprising from 1 to 4 carbon atoms, and from C4 to C12 cycloalkyl groups; acrylates of formula CH2═CH—COOR2 wherein R2 is chosen from C4 to C12 cycloalkyl groups; and (meth)acrylamides of formula:wherein the at least one film-forming ethylenic linear block polymer is non-elastomeric. 53. The composition according to claim 52, wherein the at least one other film former is a film-forming polymer dispersible in the aqueous phase. 54. The composition according to claim 53, wherein said at least one other film-forming polymer dispersible in the aqueous phase is chosen from polyurethanes, polyurethane-acrylics, polyurethane-polyvinylpyrrolidones, polyester-polyurethanes, polyether-polyurethanes, polyureas, polyurea/polyurethanes, and mixtures thereof. 55. The composition according to claim 52, further comprising at least one wax. 56. The composition according to claim 52, further comprising at least one surfactant. 57. The composition according to claim 52, further comprising at least one second film former chosen from water-soluble polymers. 58. The composition according to claim 57, wherein the water-soluble polymers are chosen from cationic cellulose derivatives and/or optionally modified polymers of natural origin. 59. The composition according to claim 52, further comprising a colorant. 60. The composition according to claim 52, wherein the composition is in the form of a mascara. 61. A cosmetic kit comprising: a) a container delimiting at least one compartment, the container being closed by a closing element; andb) a composition disposed inside the compartment, the composition comprising an organic liquid medium, at least one film-forming ethylenic linear block polymer free from styrene units, and at least one other film former which is soluble or dispersible in the organic liquid medium,wherein the at least one film-forming ethylenic linear block polymer has a polydispersity index ranging from 2.5 to 8 and comprises a first block and a second block of different glass transition temperatures (Tg),wherein the first and second blocks are linked together via an intermediate segment that is different from the first and second blocks and comprises at least one constituent monomer of the first block and at least one constituent monomer of the second block,wherein the at least one constituent monomer of the first block differs from the at least one constituent monomer of the second block, the intermediate segment is a random copolymer block, and the first block of the polymer is a block with a Tg of greater than or equal to 40° C., and the second block is a block with a Tg of less than or equal to 20° C.,wherein the first block is derived from at least one monomer chosen from: methacrylates of formula CH2═C(CH3)—COOR1 wherein R1 is chosen from linear and branched unsubstituted alkyl groups comprising from 1 to 4 carbon atoms, and from C4 to C12 cycloalkyl groups; acrylates of formula CH2═CH—COOR2 wherein R2 is chosen from C4 to C12 cycloalkyl groups; and (meth)acrylamides of formula: where R7 and R8, which are identical or different, are chosen from hydrogen atoms and from linear and branched alkyl groups comprising 1 to 12 carbon atoms; or alternatively R7 is a H atom and R8 is a 1,1-dimethyl-3-oxobutyl group and R′ is chosen from H and methyl,wherein the second block is derived from at least one monomer chosen from: acrylates of formula CH2═CHCOOR3,wherein R3 is chosen from linear and branched C1 to C12 unsubstituted alkyl groups, with the proviso that the alkyl groups are not chosen from a tert-butyl group; methacrylates of formula CH2═C(CH3)—COOR4,wherein R4 is chosen from linear and branched C6 to C12 unsubstituted alkyl groups; vinyl esters of formula R5—CO—O—CH═CH2 wherein R5 is chosen from linear and branched C4 to C12 alkyl groups; C4 to C12 alkyl vinyl ethers; andN—(C4 to C12 alkyl)acrylamides,wherein the intermediate block does not comprise acrylates or methacrylates comprising a COOR side chain in which R comprises an intercalated heteroatom chosen from O, N and S,wherein the first and the second blocks are incompatible in the organic liquid medium, andwherein the at least one film-forming ethylenic linear block polymer is non-elastomeric. 62. The cosmetic kit according to claim 61, wherein the container is formed, at least partly, of at least one thermoplastic material. 63. The cosmetic kit according to claim 61, wherein the container is formed, at least partly, of at least one non-thermoplastic material. 64. The cosmetic kit according to claim 61, wherein in the closed position of the container, the closing element is screwed onto the container. 65. The cosmetic kit according to claim 61, wherein in the closed position of the container, the closing element is coupled to the container other than by screwing. 66. The cosmetic kit according to claim 61, wherein the composition is substantially at atmospheric pressure inside the compartment. 67. The cosmetic kit according to claim 61, wherein the composition is pressurized inside the container. 68. A method of making up or caring for keratin materials, comprising the application to the keratin materials of a cosmetic composition comprising an organic liquid medium, at least one film-forming ethylenic linear block polymer free from styrene units, and at least one other film former which is soluble or dispersible in the organic liquid medium, wherein the at least one film-forming ethylenic linear block polymer has a polydispersity index ranging from 2.5 to 8 and comprises a first block and a second block of different glass transition temperatures (Tg),wherein the first and second blocks are linked together via an intermediate segment that is different from the first and second blocks and comprises at least one constituent monomer of the first block and at least one constituent monomer of the second block,wherein the at least one constituent monomer of the first block differs from the at least one constituent monomer of the second block, the intermediate segment is a random copolymer block, and the first block of the polymer is a block with a Tg of greater than or equal to 40° C., and the second block is a block with a Tg of less than or equal to 20° C.,wherein the first block is derived from at least one monomer chosen from: methacrylates of formula CH2═C(CH3)—COOR1 wherein R1 is chosen from linear and branched unsubstituted alkyl groups comprising from 1 to 4 carbon atoms, and from C4 to C12 cycloalkyl groups; acrylates of formula CH2═CH—COOR2 wherein R2 is chosen from C4 to C12 cycloalkyl groups; and (meth)acrylamides of formula: where R7 and R8, which are identical or different, are chosen from hydrogen atoms and from linear and branched alkyl groups comprising 1 to 12 carbon atoms; or where R7 and R8, which are identical or different, are chosen from hydrogen atoms and from linear and branched alkyl groups comprising 1 to 12 carbon atoms; or alternatively R7 is a H atom and R8 is a 1,1-dimethyl-3-oxobutyl group and R′ is chosen from H and methyl,wherein the second block is derived from at least one monomer chosen from: acrylates of formula CH2═CHCOOR3,wherein R3 is chosen from linear and branched C1 to C12 unsubstituted alkyl groups, with the proviso that the alkyl groups are not chosen from a tert-butyl group; methacrylates of formula CH2═C(CH3)—COOR4,wherein R4 is chosen from linear and branched C6 to C12 unsubstituted alkyl groups; vinyl esters of formula R5—CO—O—CH═CH2 wherein R5 is chosen from linear and branched C4 to C12 alkyl groups; C4 to C12 alkyl vinyl ethers; andN—(C4 to C12 alkyl)acrylamides,wherein the intermediate block does not comprise acrylates or methacrylates comprising a COOR side chain in which R comprises an intercalated heteroatom chosen from O, N and S,wherein the first and the second blocks are incompatible in the organic liquid medium, and alternatively R7 is a H atom and R8 is a 1,1-dimethyl-3-oxobutyl group and R′ is chosen from H and methyl, wherein the second block is derived from at least one monomer chosen from: acrylates of formula CH2═CHCOOR3,wherein R3 is chosen from linear and branched C1 to C12 unsubstituted alkyl groups, with the proviso that the alkyl groups are not chosen from a tert-butyl group; methacrylates of formula CH2═C(CH3)—COOR4,wherein R4 is chosen from linear and branched C6 to C12 unsubstituted alkyl groups; vinyl esters of formula R5—CO—O—CH═CH2 wherein R5 is chosen from linear and branched C4 to C12 alkyl groups; C4 to C12 alkyl vinyl ethers; andN—(C4 to C12 alkyl)acrylamides,wherein the intermediate block does not comprise acrylates or methacrylates comprising a COOR side chain in which R comprises an intercalated heteroatom chosen from O, N and S,wherein the first and the second blocks are incompatible in the organic liquid medium, andwherein the at least one film-forming ethylenic linear block polymer is non-elastomeric.
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Son Nguyen Kim DE; Axel Sanner DE; Karin Sperling-Vietmeier DE, Use of polyurethanes which are soluble or dispersible in water as aids in cosmetic and pharmaceutical compositions, and polyurethanes which contain polylactic acid polyols as copolymerized units.
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