The absorbent article of the invention has a liquid impervious backsheet and a liquid pervious topsheet joined to the backsheet. The topsheet has an inner surface oriented toward the interior of the absorbent article and an outer surface oriented toward the skin and hair of the wearer when the absor
The absorbent article of the invention has a liquid impervious backsheet and a liquid pervious topsheet joined to the backsheet. The topsheet has an inner surface oriented toward the interior of the absorbent article and an outer surface oriented toward the skin and hair of the wearer when the absorbent article is being worn and an absorbent core positioned between the topsheet and the backsheet. At least a portion of the topsheet outer surface comprises an effective amount of a lotion coating which is semi-solid or solid at 20 degrees C., the lotion coating comprising: (i) from about 10 to about 95% of a substantially water free emollient having a plastic or fluid consistency at 20 degrees C. wherein the emollient contains 5% or less water, the emollient comprising a member selected from the group consisting of petroleum-based emollients, fatty acid ester emollients, alkyl ethoxylate emollients, and mixtures thereof;(ii) from about 5 to about 90% of an agent capable of immobilizing the emollient on the outer surface of the topsheet, the immobilizing agent being miscible with the emollient, the immobilizing agent having a melting point of at least about 35 degrees C. wherein the immobilizing agent is selected from the group consisting of polyhydroxy fatty acid esters, polyhydroxy fatty acid amides, C14-C22 fatty alcohols, C14-C22 fatty acids, C14-C22 fatty alcohol ethoxylates with a degree of ethoxylation of 4 or less, and mixtures thereof.
대표청구항▼
1. An absorbent article comprising: A) a liquid impervious backsheet;B) a liquid pervious topsheet joined to said backsheet, said topsheet having an inner surface oriented toward the interior of said absorbent article and an outer surface oriented toward the skin and hair of the wearer when said abs
1. An absorbent article comprising: A) a liquid impervious backsheet;B) a liquid pervious topsheet joined to said backsheet, said topsheet having an inner surface oriented toward the interior of said absorbent article and an outer surface oriented toward the skin and hair of the wearer when said absorbent article is being worn, wherein at least a portion of said topsheet outer surface comprises an effective amount of a lotion coating having a HLB value below 7, said lotion coating comprising: (i) from about 10 to about 95% of a substantially water free emollient, said emollient comprising a member selected from the group consisting of polysiloxane compounds;(ii) from about 5% to about 90% of an agent capable of immobilizing said emollient on said outer surface of the topsheet, said immobilizing agent being miscible with said emollient, said immobilizing agent having a melting point of at least about 35 degrees C.; andC) an absorbent core positioned between said topsheet and said backsheet. 2. The absorbent article of claim 1 wherein said emollient comprises a polysiloxane having the formula: wherein, R1 and R2, for each independent siloxane monomeric unit comprises hydrogen or an alkyl, an aryl, an alkenyl, an alkaryl, an arakyl, an cycloalkyl, a halogenated hydrocarbon, or an other radical. 3. The absorbent article of claim 1 wherein said article is selected from the group consisting of feminine hygiene garments, sanitary napkins, pantiliners, and interlabial devices. 4. The absorbent article of claim 1 wherein said emollient contains about 5% or less water and comprises a petroleum based emollient selected from the group consisting of mineral oil, petrolatum, and mixtures thereof. 5. The absorbent article of claim 1 wherein said agent capable of immobilizing said emollient comprises a member selected from the group consisting of carnauba wax, beeswax, candelilla wax, paraffin wax, ceresin wax, esparto wax, ouricuri wax, rezowax, and combinations thereof. 6. The absorbent article of claim 1 wherein the quantity of lotion coating on said portion of said topsheet outer surface ranges from about 0.1 mg/in2 to about 75 mg/in2. 7. The absorbent article of claim 6 wherein the quantity of lotion coating on said portion of said topsheet outer surface ranges from about 0.5 mg/in2 to about 60 mg/in2. 8. The absorbent article of claim 1 wherein said emollient comprises a fatty acid ester emollient selected from the group consisting of methyl palmitate, methyl stearate, isopropyl laurate, isopropyl myristate, isopropyl palmitate, ethylhexyl palmitate, lauryl lactate and cetyl lactate, and mixtures thereof. 9. The absorbent article of claim 1 wherein said emollient comprises an alkyl ethoxylate emollient selected from the group consisting of C14-C18 fatty alcohol ethoxylates having an average degree of ethoxylation of 4 or less. 10. The absorbent article of claim 1 wherein said lotion coating comprises from about 5 to about 50% of said immobilizing agent, said immobilizing agent having a melting point of at least about 40 degrees C. 11. The absorbent article of claim 10 wherein said immobilizing agent comprises a C14-C22 fatty alcohol. 12. The absorbent article of claim 11 wherein said immobilizing agent comprises a C16-C18 fatty alcohol selected from the group consisting of cetyl alcohol, stearyl alcohol, and mixtures thereof. 13. The absorbent article of claim 10 wherein said immobilizing agent comprises a polyhydroxy fatty acid ester having the formula: wherein R is a C5-C31 hydrocarbyl group; Y is a polyhydroxyhydrocarbyl moiety having a hydrocarbyl chain with at least 2 free hydroxyls directly connected to the chain; and n is at least 1. 14. The absorbent article of claim 13 wherein said immobilizing agent comprises a polyhydroxy fatty acid ester selected from the group consisting of sorbitan esters of C16-C22 saturated fatty acids, glyceryl monoesters of C16-C22 saturated fatty acids, and sucrose esters of C14-C22 saturated fatty acids. 15. The absorbent article of claim 14 wherein said immobilizing agent comprises a polyhydroxy fatty acid ester selected from the group consisting of sorbitan palmitates, sorbitan stearates, sorbitan behenates, glyceryl monostearate, glyceryl monopalmitate, glyceryl monobehenate, sucrose mono- and di-stearate, and sucrose mono- and di-laurate. 16. The absorbent article of claim 15 wherein said immobilizing agent comprises sorbitan stearates. 17. The absorbent article of claim 10 wherein said immobilizing agent comprises a polyhydroxy fatty acid amide having the formula: wherein R1 is HX C1-C4 hydrocarbyl, 2-hydroxyethyl, 2-hydroxypropyl, methoxyethyl, methoxypropyl or a mixture thereof; R2 is a C5-C31 hydrocarbyl group; and Z is a polyhydroxyhydrocarbyl moiety having a linear hydrocarbyl chain with at least 3 hydroxyls directly connected to the chain. 18. The absorbent article of claim 17 wherein R1 is N-methyl, N-ethyl, N-propyl, N-isopropyl, N-butyl, N-2-hydroxyethyl, N-methoxypropyl or N-2-hydroxypropyl; R2 is straight chain C11-C17 alkyl or alkenyl, or mixture thereof, and Z is glycityl. 19. The absorbent article of claim 18 wherein said immobilizing agent comprises a polyhydroxy fatty acid amide selected from the group consisting of N-lauryl-N-methyl glucamide, N-lauryl-N-methoxypropyl glucamide, N-cocoyl-N-methyl glucamide, N-cocoyl-N-methoxypropyl glucamide, N-palmityl-N-methoxypropyl, glucamide, N-tallowyl-N-methyl glucamide, and N-tallowyl-N-methoxypropyl glucamide. 20. The absorbent article of claim 10 wherein said immobilizing agent comprises a paraffin wax. 21. The absorbent article of claim 1 wherein the lotion coating is applied in a plurality of stripes parallel to a longitudinal axis of the absorbent article. 22. The absorbent article of claim 1 wherein the “Lotion Transfer Fluid on Skin and hair Test” values are less than about 0.07 g. 23. A sanitary napkin for use in a vulvar region of an adult woman, said vulvar region comprising skin and hair and being subject to contact with menstrual fluid, said sanitary napkin comprising: A) a liquid impervious backsheet;B) a liquid pervious, hydrophobic topsheet joined to said backsheet, said topsheet having an inner surface oriented toward the interior of said absorbent article and an outer surface oriented toward the skin and hair of the wearer when said sanitary napkin is being worn, wherein at least a portion of said topsheet outer surface comprises an effective amount of a lotion coating having a HLB value below 7 said lotion coating comprising: (i) from about 10 to about 95% of a substantially water free emollient having a plastic or fluid consistency at 20 degrees C. wherein said emollient contains 5% or less water, said emollient comprising a member selected from the group consisting of petroleum-based emollients, fatty acid ester emollients, alkyl ethoxylate emollients, and mixtures thereof;(ii) from about 5 to about 90% of an agent capable of immobilizing said emollient on said outer surface of the topsheet, said immobilizing agent being miscible with said emollient, said immobilizing agent having a melting point of at least about 35 degrees C. wherein said immobilizing agent is selected from the group consisting of polyhydroxy fatty acid esters, polyhydroxy fatty acid amides, C14-C22 fatty alcohols, C14-C22 fatty acids, C14-C22 fatty alcohol ethoxylates, and mixtures thereof; andC) an absorbent core positioned between said topsheet and said backsheet. 24. The absorbent article of claim 23 wherein said article is selected from the group consisting of feminine hygiene garments, sanitary napkins, pantiliners, and interlabial devices. 25. The absorbent article of claim 23 wherein said emollient contains about 5% or less water and comprises a petroleum based emollient selected from the group consisting of mineral oil, petrolatum, and mixtures thereof. 26. The absorbent article of claim 23 wherein said agent capable of immobilizing said emollient comprises a member selected from the group consisting of carnauba wax, beeswax, candelilla wax, paraffin wax, ceresin wax, esparto wax, ouricuri wax, rezowax, and combinations thereof. 27. The absorbent article of claim 23 wherein said emollient comprises a member selected from the group consisting of polysiloxane compounds. 28. The absorbent article of claim 23 wherein the quantity of lotion coating on said portion of said topsheet outer surface ranges from about 0.1 mg/in2 to about 75 mg/in2. 29. The absorbent article of claim 27 wherein said emollient comprises a polysiloxane having the formula: wherein, R1 and R2, for each independent siloxane monomeric unit comprises hydrogen or an alkyl, an aryl, an alkenyl, an alkaryl, an arakyl, an cycloalkyl, a halogenated hydrocarbon, or an other radical.
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