CN1257433A - Absobent articles having lotioned leg cuffs containing a polysiloxane emollient - Google Patents
Absobent articles having lotioned leg cuffs containing a polysiloxane emollient Download PDFInfo
- Publication number
- CN1257433A CN1257433A CN98805464A CN98805464A CN1257433A CN 1257433 A CN1257433 A CN 1257433A CN 98805464 A CN98805464 A CN 98805464A CN 98805464 A CN98805464 A CN 98805464A CN 1257433 A CN1257433 A CN 1257433A
- Authority
- CN
- China
- Prior art keywords
- diaper
- band
- emollient
- skin
- absorbent device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- -1 polysiloxane Polymers 0.000 title claims abstract description 96
- 239000003974 emollient agent Substances 0.000 title claims abstract description 69
- 229920001296 polysiloxane Polymers 0.000 title claims abstract description 41
- 239000000203 mixture Substances 0.000 claims abstract description 161
- 239000002250 absorbent Substances 0.000 claims abstract description 119
- 230000002745 absorbent Effects 0.000 claims abstract description 119
- 238000000576 coating method Methods 0.000 claims abstract description 57
- 239000011248 coating agent Substances 0.000 claims abstract description 53
- 239000004094 surface-active agent Substances 0.000 claims abstract description 32
- 239000012530 fluid Substances 0.000 claims abstract description 14
- 239000012188 paraffin wax Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 41
- 239000000834 fixative Substances 0.000 claims description 39
- 239000000194 fatty acid Substances 0.000 claims description 34
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 30
- 229930195729 fatty acid Natural products 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 27
- 150000002148 esters Chemical class 0.000 claims description 24
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- 125000000217 alkyl group Chemical group 0.000 claims description 19
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 claims description 18
- 150000004665 fatty acids Chemical class 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 12
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 11
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 8
- 229930006000 Sucrose Natural products 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 8
- UKMSUNONTOPOIO-UHFFFAOYSA-N docosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCC(O)=O UKMSUNONTOPOIO-UHFFFAOYSA-N 0.000 claims description 8
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- 239000005720 sucrose Substances 0.000 claims description 8
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 7
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 7
- 150000001408 amides Chemical class 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 6
- QHZLMUACJMDIAE-UHFFFAOYSA-N 1-monopalmitoylglycerol Chemical compound CCCCCCCCCCCCCCCC(=O)OCC(O)CO QHZLMUACJMDIAE-UHFFFAOYSA-N 0.000 claims description 4
- 235000021357 Behenic acid Nutrition 0.000 claims description 4
- HVUMOYIDDBPOLL-XWVZOOPGSA-N Sorbitan monostearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O HVUMOYIDDBPOLL-XWVZOOPGSA-N 0.000 claims description 4
- 229940116226 behenic acid Drugs 0.000 claims description 4
- 125000000524 functional group Chemical group 0.000 claims description 4
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 4
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 3
- IYFATESGLOUGBX-YVNJGZBMSA-N Sorbitan monopalmitate Chemical group CCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O IYFATESGLOUGBX-YVNJGZBMSA-N 0.000 claims description 2
- 150000001299 aldehydes Chemical class 0.000 claims description 2
- 229940069521 aloe extract Drugs 0.000 claims description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 2
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- HOWGUJZVBDQJKV-UHFFFAOYSA-N docosane Chemical compound CCCCCCCCCCCCCCCCCCCCCC HOWGUJZVBDQJKV-UHFFFAOYSA-N 0.000 claims 2
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- 235000011076 sorbitan monostearate Nutrition 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 1
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 claims 1
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- 229950003429 sorbitan palmitate Drugs 0.000 claims 1
- PXQLVRUNWNTZOS-UHFFFAOYSA-N sulfanyl Chemical class [SH] PXQLVRUNWNTZOS-UHFFFAOYSA-N 0.000 claims 1
- 239000006210 lotion Substances 0.000 abstract description 29
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- 230000003100 immobilizing effect Effects 0.000 abstract 1
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- 210000002414 leg Anatomy 0.000 description 87
- 239000000314 lubricant Substances 0.000 description 70
- 210000003141 lower extremity Anatomy 0.000 description 55
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- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 10
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 10
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- 210000000689 upper leg Anatomy 0.000 description 9
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 8
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 8
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 8
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- SRBFZHDQGSBBOR-IOVATXLUSA-N D-xylopyranose Chemical compound O[C@@H]1COC(O)[C@H](O)[C@H]1O SRBFZHDQGSBBOR-IOVATXLUSA-N 0.000 description 4
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- A61L15/42—Use of materials characterised by their function or physical properties
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/26—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/225—Mixtures of macromolecular compounds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/34—Oils, fats, waxes or natural resins
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/20—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing organic materials
- A61L2300/30—Compounds of undetermined constitution extracted from natural sources, e.g. Aloe Vera
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/80—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a special chemical form
- A61L2300/802—Additives, excipients, e.g. cyclodextrins, fatty acids, surfactants
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Hematology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Compositions Of Macromolecular Compounds (AREA)
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Abstract
An absorbent article, such as a diaper, containing leg cuffs coated with a lotion composition is disclosed. The lotions disclosed in the present invention minimize the abrasion between the cuffs and skin in the area where the cuffs contact the wearer's skin, resulting in less skin irritation. The lotion compositions also reduce the adherence of BM to the skin of the wearer, thereby improving the ease of BM clean up. The lotion composition comprises a plastic or fluid polysiloxane emollient such as phenyl-functional polymethylsiloxanes, an immobilizing agent such as a fatty alcohol or paraffin wax to immobilize the emollient on the surface of the diaper leg cuffs, and optionally a hydrophilic surfactant to improve the processability and/or stability of the lotion compositions. Because the polysiloxane emollient is substantially immobilized on the surface of the leg cuff, less lotion is required to impart the desired therapeutic or protective lotion coating benefits.
Description
Technical field
The present invention relates to have the absorbent device of lower limb hoop (leg cuffs), as diaper, training pants, adult-incontinence articles etc.More particularly, the present invention relates on lower limb hoop surface, have the absorbent device of emollient coating (lotion coating).By the motion and/or the body heat of normal contact and wearer, this coating can be transferred on the skin of wearer.Thereby emollient disclosed by the invention makes between the skin of wearer of band and its contact friction minimum skin irritation seldom.
Background technology
Absorbent device such as disposable diaper and incontinence are absorptions or hold bodily exudate with the major function of medicated underpants or underwear.Therefore, the purpose of these class articles for use is medicated clothing or other articles for use that prevent that bodily exudate from making dirty, getting wet or pollution contacts with wearer, as bedding.When body exudates when the thigh of articles for use and wearer or the gap between the waist leak on the adjacent medicated clothing, this series products can not play its most common effect, reason is that body exudates can not absorb in the articles for use immediately, absorbent device can not keep very next to the shin with wearer, and the result has produced the slit makes effluent leak out in this articles for use underframe.For example, urine is tending towards being deposited on the top flat to shove, and urine is moved in the slit of underframe as a result, and urine contacts then with medicated clothing or other article and is absorbed there.In addition, the difficult loose fecal matter that is absorbed by absorbent device often " floats " in the slit of accepting to pass then on the surface of liquid between articles for use and wearer thigh or the waist.
Disposable diaper now comprises top flat, egative film, absorbent cores and the elastic leg wing (leg flaps), and the elastic leg wing is formed by the elastic component in pack into continuous top flat and the egative film usually, and this elastic leg wing reaches outside the edge of absorbent cores.These elastic leg wings directly prove and can prevent effectively usually from holding fluidic diaper wicking (wicking) and overflowing to the medicated clothing that touches with the diaper side edge, this is because the elastic leg wing provides a liquid-tight barrier layer between diaper edge and the clothes that is in contact with it, in addition, it also provides the effect of pad envelope usually around the shank of wearer, thereby keep the sealing of shank, make the slit minimum.Yet, still can take place along the seepage of diaper periphery.Wear for a long time after the diaper, the degree next to the shin between diaper that the active force on the diaper has when often making beginning and the user reduces.The reduction of stickiness makes and forms big slit and cause that diaper is sagging at shank and waist.Therefore, when fluid deposition was on top flat, some fluids did not absorb through top flat immediately, but towards the migration of diaper edge, leaked out the slit of diaper, and contacts with clothes or underwear, so just by this class medicated clothing absorption and wick into wherein.
Disposable diaper can have barrier cuff and bring and prevent make dirty the medicated clothing of user of loose fecal matter or the urine of gushing out or fluid.This band that stops has limited the free-flow of this class material, and provides a kind of structure to hold this class material in the diaper, thereby when these materials freely float over or flow on the top flat of diaper, still is contained in the diaper.Although this class formation can hold this class material effectively, have now found that liquid can stop band and the medicated clothing of the user of making dirty by infiltrate.In addition, barrier leg cuff can cause the skin spot at the position of its contact skin.
Find now on lower limb hoop surface that coating emollient coating can be improved and hold characteristic, reduce skin irritation, also improved the property easy to clean of BM, this coating can be transferred on the skin of wearer by the motion and/or the body heat of normal contact, wearer.Term as herein described " lower limb hoop " comprises barrier leg cuff, sealing hoop and combination thereof and version.Band coating with emollient (lotion) disclosed by the invention can increase the hydrophobicity of band, thereby improves leakage performance.Hydrophobicity emollient coating provides another kind of method to reach required hydrophobicity, thereby has motility when using nonwoven material design band.This can reduce cost of material.Importantly, emollient disclosed by the invention makes between the skin of wearer of band and its contact friction minimum, thereby has reduced skin irritation.Emollient also provides one deck protective finish for wearer skin, and this coating helps to prevent that BM is bonded on the skin, thereby has improved the property easy to clean of BM.
Being used for diaper products as emollient is mineral oil with a kind of material that soft protective layer is provided.Mineral oil (being also referred to as Albolene) is the mixture that distills the various liquid hydrocarbons of high boiling point in the oil (that is, 300 ℃-390 ℃) fraction.Mineral oil ambient temperature for example 20 ℃-25 ℃ be liquid, the result in the time of on being administered to diaper, has relative fluidity and mobility.Because mineral oil is fluid and movably at ambient temperature,, enter diaper inside but move by the lower limb hoop so it often is difficult for remaining positioned on the surface of body contact of barrier leg cuff.Therefore, the mineral oil that need use higher amount on barrier leg cuff lubricates benefit so that desired treatment that obtains or protective coating to be provided.This not only makes cost ups of the barrier leg cuff diaper products that these are handled through emollient, and produces other illeffects, comprises the absorbability that reduces lower floor's absorbent cores.
Even do not increase the amount of mineral oil, in case coating, the animal migration that is easy to of mineral oil also has other harmful effect.For example, the mineral oil that applies is transferred to the packaging material of the diaper products of handling through emollient or enters and pass through this packaging material.This just needs protection type packaging film or wrap film to be avoided make dirty diaper products or from its seepage of mineral oil.
Therefore, the diaper products that need provide the lower limb hoop to handle through emollient, these class articles for use (1) have ideal treatment or protective coating skin moistening benefit; (2) do not need a large amount of relatively coatings of liquid (as mineral oil) that at room temperature are; (3) can not produce adverse influence to the absorbability of diaper products; (4) need not special parcel or packaging protective material.
Therefore, the purpose of this invention is to provide the diaper products that a kind of lower limb hoop is handled through emollient, wherein emollient is transferred on the skin of wearer so that desirable treatment benefit to be provided, thereby reduces skin irritation.
Another object of the present invention provides the diaper products that a kind of lower limb hoop is handled through emollient, and wherein emollient is transferred on the skin of wearer, thereby reduces the adhesiveness of BM to skin effectively, improves the property easy to clean of BM.
Another object of the present invention provides a kind of disposable diaper with lower limb hoop, and this class lower limb hoop has improved the liquid containing performance.
Another object of the present invention provides the diaper products that a kind of lower limb hoop is handled through emollient, and it does not need a large amount of relatively mineral oil, need not special parcel or packaging protective material.
Use the present invention can realize these and other objects, read after the disclosure hereinafter, it is clearer that these purposes will become.
Summary of the invention
The present invention relates to a kind of absorbent device such as disposable diaper, in the surface distributed of its lower limb hoop the emollient coating is arranged, described coating is semisolid or solid in ambient temperature (that is, 20 ℃), is fit to transfer on the skin of wearer.In case transfer on the skin, emollient just can provide ideal treatment and/or overcoat skin moistening benefit, and skin irritation reduces and reduce the adhesiveness of BM to wearer skin, thereby improves the property easy to clean of BM.Use the coating of the band of described emollient processing can also improve the hydrophobicity of band herein, thereby improve its antiseep.Therefore this hydrophobicity emollient coating can have motility owing to provide another kind of method to obtain ideal hydrophobicity when using non-woven material design band, cause material cost to reduce.
In brief, absorbent device of the present invention comprises:
(1) egative film;
(2) the saturating liquid top flat that links to each other with described egative film;
(3) absorbent cores between described top flat and egative film; And
(4) with the barrier leg cuff of two vertical side adjacent distributions of absorbent item, wherein said each barrier leg cuff has the fixed nearly health limit, described vertical limit of contiguous described absorbent device and is not fixed in health far away limit at least a portion absorbent device, wherein each barrier leg cuff have towards the inner surface of absorbent device inside and when dressing absorbent device towards the outer surface of wearer skin, wherein on the outer surface of the described barrier leg cuff of at least a portion or inner surface, be distributed with the emollient coating of effective dose, said coating is a semisolid or solid-state at 20 ℃, and can be transferred to small part on the skin of wearer, said skin moistening coating comprises:
(i) about 10%-95% is at 20 ℃ of polysiloxane emollients with plasticity or fluid consistency; With
(ii) about 5%-90% can be fixed to described polysiloxane emollient the outer surface of described barrier leg cuff or the fixative on the inner surface, and the fusing point of described fixative is at least about 35 ℃.
Except above-mentioned barrier leg cuff or be used for replacing barrier leg cuff, absorbent device also can have the sealing band (gasketing cuffs) of all right one way or the other elastic shrinkage.But the sealing band of each elastic shrinkage distributes near each limit of two vertical sides of described absorbent device, and it is laterally protruding from the vertical side of described diaper, wherein respectively sealing band has when dressing diaper towards the front surface of wearer skin and the rear surface relative with described front surface, wherein be distributed with the emollient coating of effective dose to the front surface of the described sealing band of small part or the rear surface, said coating is a semisolid or solid-state at 20 ℃, and can partly transfer at least on the skin of wearer, said emollient coating comprises:
(i) about 5%-95% is at 20 ℃ of polysiloxane emollients with plasticity or fluid consistency; With
(ii) about 5%-95% can be fixed to described polysiloxane emollient the front surface of described sealing lower limb hoop or the fixative on the rear surface, and the fusing point of described fixative is at least 35 ℃.
The amount that is distributed in the skin moistening coating on surperficial at least a portion of body contact of lower limb hoop of the present invention (stopping and/or sealing hoop) is preferably from about 0.1 milligram/inch
2-Yue 50 milligrams/inch
2(12mg/cm
2), more preferably about 1 milligram/inch
2-Yue 25 milligrams/inch
2The lower limb hoop of handling through emollient (lotioned leg cuffs) of the present invention provides treatment and/or protective skin moistening coating benefit, and ideal BM cleaning benefit.In addition, the hydrophobicity emollient has improved the hydrophobicity of band and/or provides another kind to obtain desirable hydrophobic method.Because emollient is fixed in the surface of lower limb hoop basically, therefore only need less emollient just can give required skin protection benefit.In addition, of the present invention during in packing, preferred through diaper products that emollient is handled, do not need special protection or packaging material.
As discussed below, skin moistening compositions of the present invention preferably has fusing distribution (melting profile), the result can be transferred on the wearer under body temperature in their relative fixed of room temperature and being confined on the diaper leg cuffs, and under extreme storage requirement and not exclusively be liquid.
Importantly, by the motion and/or the body heat of normal contact, wearer, skin moistening compositions of the present invention can easily be transferred on the skin of wearer.Be not bound by theory, thought skin moistening composition change skin surface energy and/or formation " protective layer " thus reduced skin and the affinity of BM or urine.Therefore, reduce the caking property of BM or urine and skin, thereby be easy to remove BM or urine.
The accompanying drawing summary
Fig. 1 is the plane graph of disposable diaper embodiment of the present invention, and part has wherein been cut to disclose understructure.
Fig. 2 is the partial sectional view along Fig. 1 transversal 2-2.
Fig. 3 is the partial sectional view along Fig. 1 transversal 3-3.
Fig. 4 is the perspective view that is the absorbent device of disposable diaper form of the present invention.
Fig. 5 is the sketch map that skin moistening compositions of the present invention is applied to the method for optimizing on the diaper barrier leg cuff band.
Fig. 6 is the sketch map that skin moistening compositions of the present invention is applied to the other method on the diaper barrier leg cuff band.
Detailed Description Of The Invention
Term herein " comprises " and refers to various parts, composition or the step that can jointly adopt when of the present invention implementing. Therefore, term " comprise " comprise more restrictive term " basically by ... form " and " by ... composition ".
Except as otherwise noted, all percentages used herein, ratio and ratio are by weight.
A. absorbent device
Term herein " absorbent device " refers to absorb and hold the articles for use of bodily exudate, more particularly, refers to the wearer skin placement, in order to absorb and to hold from the articles for use of the various effluents of health discharge. Term " disposable " is used for being described in after the use once, no longer washing or the absorbent device that reclaims or re-use as absorbent device. The example of disposable absorbent article comprises women sanitary articles, such as sanitary napkin and scanties lining; Diaper; Incontinent brief; Diaper holders; Training pants etc.
Liquid-tight egative film and the absorbent cores between top flat and egative film that disposable absorbent article generally comprises the liquid top flat, is connected with top flat. Disposable absorbent article and parts thereof comprise the arbitrary layer of top flat, egative film, absorbent cores and these parts having health face and clothing face. " health face " used herein is when referring to dress, towards wearer's body or with it adjacent article or the surface of parts, and " clothing face " is at opposite side, and it is away from wearer, when dressing upper disposable absorbent device, the position of clothing face is towards the underwear of wearer.
Following content has been discussed absorbent cores, top flat and the stock footage that is used for disposable absorbent article in general manner. Be to be understood that this general description except those parts of other disposable absorbent article that is suitable for this paper general description, also be applicable to these parts of the specific absorbent device shown in Fig. 1-4, it will further be described below.
Usually, absorbent cores can absorb or liquid hold-up (for example, menstrual fluid, urine and/or other bodily exudate). Absorbent cores preferably compressible, can fit, wearer skin is not caused stimulation. Absorbent cores can all size and shape prepare (such as, square, oval, hourglass shape, T-shaped, hyperbolic-type, symmetric figure, asymmetric shape etc.). Except absorb composite material of the present invention, absorbent cores comprises that also any is usually used in the material of the various liquid-absorbings of absorbent device, such as the wood pulp of pulverizing, its so-called air felt (airfelt). The example that is used for other suitable absorbing material of absorbent cores comprises wrinkling cellulose liner; Meltblown polymer (comprising coform); Chemistry stiffened, modification or crosslinked cellulose fibre; Synthetic fibers such as curling polyester fiber; Peat bog (peat moss); Tissue paper (comprising tissue paper wrappage (tissue wrap) and tissue ply compound); Absorbent foam; Absorbable sponge; Super absorbent polymer; The absorbability gel rubber material; Or any suitable material or its combination, with and composition thereof.
The configuration of absorbent cores and structure can change (for example, the caliper zones of absorbent cores can change and/or its to be distributed as the center thicker; Absorbent cores has hydrophilic gradient; The gradient of absorb composite material of the present invention, super-absorbert gradient; Lower averag density and lower average quantification area (such as collecting region); Or comprise one layer or more or structure). Yet total absorptive capacity of absorbent cores should be compatible with the expection application target with the Design cooling load of absorbent device. In addition, the size of absorbent cores can change to cooperate the needs (such as diaper, incontinence pad, scanties lining, plain edition sanitary napkin and napkin for sexual life) of different purposes and the needs (from the baby to the adult) of different wearers with absorptive capacity.
Absorbent cores can comprise other absorption piece that is usually used in the absorbent device, for example the secondary top flat of prime coat (dusting layer), wicking or collecting layer or the sense of increase wearer comfort.
Top flat is preferably submissive, and has soft feel, and the skin of wearer is not caused stimulation. In addition, top flat is liquid, makes liquid (such as menstruation and/or urine) facilitate penetration of its thickness. Suitable top flat can be made by various materials, such as weaving and non-woven material (for example nonwoven web); Polymeric material (such as the thermoplastic film of porous formed thermoplastic film, porous plastic film and water law shaping); Porous foam; Reticulated polymer foam; The weblike heat plastic film; With the thermoplasticity gauze. Suitable weaving and non-woven material are by the combination of natural fiber (such as timber or cotton fiber), synthetic fibers (such as polymer fiber, such as polyester, polypropylene or polyethylene fibre) or natural and synthetic fibers. If top flat comprises nonwoven web, then nonwoven web can be made by various known technology. For example, can carry out spunbond, combing, wet-laying to net, melt and spray, water law is tangled, water law is shaped (hydroformed) and the combination of above-mentioned technology etc.
Egative film is impenetrable liquid (such as menstruation and/or urine) in the crotch area of absorbent device at least preferably, and it is preferably made by thin plastic foil, but also can adopt other flexible liquid-tight material. Term used herein " flexibility " refers to submissive and is easy to the material of fitting with human bodily form and profile. Egative film prevents the article that effluent that absorbent cores absorbs and holds is got wet and contacted with absorbent device, such as sheet, pants, nightwear and underwear. Egative film can comprise weaving or non-woven material, polymer film (such as polyethylene or polyacrylic thermoplastic film) or composite (as the non-woven material of filming). Suitable egative film is that thickness is that about 0.012mm (0.5 mil) is to the polyethylene film of about 0.051mm (2.0 mil), its representational product is by Cincinnati, and the Clopay company of Ohio produces with the XP-39385 brand with the Tredegar Film Products of P18-1401 brand and Terre Haute (Indiana). Egative film is preferably processed to provide more outward appearance as cloth through embossing and/or delustring. In addition, egative film can allow steam see through (that is, egative film is gas permeability) from absorbent cores, can prevent that still effluent from passing through egative film simultaneously. The size of egative film is determined by the size of absorbent cores and the specific design of selected absorbent device.
The position of egative film and top flat is clothing face and the health face that is respectively adjacent to absorbent cores. Absorbent cores preferably adopts known those connected modes (Fig. 3 is not shown) of prior art to link to each other with arbitrary mode and top flat, egative film or both. Yet, embodiment of the present invention predicted whole absorbent cores not with top flat, egative film or scheme that both link to each other.
For example, egative film and/or top flat can be fixed on the absorbent cores with line of discontinuity, helical or the point of even continuous adhesive layer, the adhesive phase that becomes pattern or one group of adhesive or bond each other. Find gratifying adhesive by St.Paul, the H.B.Fuller company of Minnesota produces with HL-1258 or H-2031 brand. Connected mode preferably includes adhesive filaments patterns of openings network, and it is disclosed in the United States Patent (USP) 4573986 that licensed to the people such as Minetola on March 4th, 1986, and it is incorporated herein by reference. The representative example of the connected mode of this long filament patterns of openings network comprises several lines of the adhesive filaments of spirally-wound pattern, as the apparatus and method as shown in United States Patent (USP) 3 911 173 (authorizing Sprague, Jr. on October 7th, 1975), United States Patent (USP) 4 785 996 (authorizing the people such as Zwieker on November 22nd, 1978) and the United States Patent (USP) 4 842 666 (authorizing Werenicz on June 27th, 1989) in addition explanation. Above-mentioned patent is incorporated herein by reference. In addition, connected mode can comprise hot adhesion, pressure bonding, ultra-sonic welded, dynamic power machine bonding and any other suitable connected mode, or the combination of these connected modes well known in the prior art.
A kind of preferred disposable absorbent article is diaper, the leg band that has wherein used the present invention to process through emollient. Term used herein " diaper " refers to that baby and incontinent person are worn on the absorbent device of the lower part of the body usually. In other words, term " diaper " comprises baby' diaper, training pants, adult-incontinence articles etc. The present invention is also applicable to the disposable products of other type, as contains sanitary napkin and the scanties lining of leg band.
Fig. 1 is the plane graph of diaper 20 of the present invention preferred embodiment of (promptly removing all elastic shrinkage) under the not contraction state that flattens.The part-structure of this diaper is cut to clearly show that the structure of diaper 20, and the part of diaper 20 contact wearers is towards the observer.Diaper 20 shown in Figure 1 has front waist region 22, back waist region 24, crotch area 26 and peripheral part 28, and this peripheral part is limited by the outside of diaper, wherein vertically the limit be labeled as 30, the end limit be labeled as 32.Diaper 20 has cross central line (being labeled as 34) and longitudinal centre line (being labeled as 36) in addition.Diaper 20 comprises liquid top flat 38 (its upper surface is called 40), liquid-tight bottom 42, absorbent cores 44 (have side 46, comprise absorbed layer 48 and first and second tissue layer 50 and 52 respectively); A pair of banded fixture 54 (tape-tab fastener); The sealing band 56 that respectively comprises a flank 58 and wing elastic component 60; What each all had proximal edges 64, far lateral side 66, inner surface 68, outer surface 70, first end 72 and a second end 74 stops band 62; And the elastomer isolators 77 of separator 76 as being used for far lateral side 66 and top flat upper surface 40 are separated.Diaper 20 also comprise in addition first and second ends 72 that are used for respectively stopping band 62 and 74 sealings fastening gluing 78 as glue pearl 79.The zone marker that wherein is distributed with gluing 78 is preceding seal area 80 and back seal area 82.Although top flat 38, absorbent cores 44, egative film 42 and elastic shrinkage sealing band 56 can be assembled by various known configurations, but being described in prevailingly, preferred diaper configurations authorized in the United States Patent (USP) 3860003 of K.B.Buell on January 14th, 1975, its exercise question is " Contractable SidePortions for Disposable Diaper ", and this patent is incorporated herein by reference.
Fig. 1 represents the preferred version of diaper 20, and wherein top flat 38 and egative film 42 extend jointly, and its length and width dimensions are usually greater than those sizes of absorbent cores 44.Thereby top flat 38 links to each other with egative film 42 and overlays the periphery 28 that forms diaper 20 on the egative film 42.
Fig. 2 is that it has described the diaper configurations of diaper 20 back waist region 24 along the part sectioned view of the line 2-2 intercepting of Fig. 1.The diaper configurations that should be appreciated that front waist region 22 is identical with the diaper configurations of back waist region 24.Absorbent cores comprises absorbed layer 48, and it is to be surrounded and to illustrate by first and second tissue layer 50 and 52 fully.Absorbent cores 44 is between top flat 38 and egative film 42; Top flat 38 and egative film 42 extend the side 46 of absorbent cores 44 to form flank 58.The overlay region of top flat 38 and egative film 42 is bonded together by binding agent 88.In preferred scheme, elasticity wing member 60 does not extend into front waist region 22 and therefore do not form sealing band 56 in this zone.The shown band 62 that stops is the separating components that are fixed on the top flat 38, with binding agent 92 these parts is fixed in top flat 38 and has formed nearly health limit 64.The inner surface 68 (being also referred to as the inner surface of barrier leg cuff band) that stops band 62 is fixed on the upper surface 40 of top flat as glue pearl 79 by adhesive members 78.Therefore, with health far away limit 66 sealings (that is, health limit far away does not separate with top flat upper surface 40).Should be noted that elastomer isolators 77 is not arranged in this zone, health far away limit 66 is not designed to separate with the upper surface 40 of lumbar region top flat because be.Therefore, stop band 62 neither open, neither limit bodily exudate flowing in this zone.
Fig. 3 is the partial sectional view along the line 3-3 intercepting of Fig. 1, the diaper configurations of the crotch area 26 when being shaped before its expression wearer uses (, diaper 20 is subjected to elastic shrinkage).Absorbed layer 48 shown in absorbent cores 44 comprises, it is surrounded by first and second tissue layer 50 and 52 fully.Absorbent cores 44 is between top flat 38 and egative film 42.Top flat 38 and egative film 42 extend the side 46 of absorbent cores 44 to form flank 58.Top flat 38 and egative film 42 synergetic zones are bonded together by binding agent 88.Top flat 38 and egative film 42 also encase with periphery 28 in the vertical adjacent elasticity wing member 60 in limit 30.Elasticity wing member 60 is fixed in the flank 58 that is formed by top flat and egative film by flexible fastening piece 90.Therefore, but form the sealing band 56 of elastic shrinkage by flank 58 and elasticity wing member 60.The sealing band has when diaper is worn towards the front surface 57 of wearer skin and the rear surface 59 relative with front surface 57.The shown band 62 that stops is to form by parts being fixed on the top flat 38 between the side 46 that is in elasticity wing member 60 and absorbent cores 44.To stop by binding agent 92 that band spare is fixed to and form the nearly health limit 64 that stops band 62 on the top flat 38.Elastomer isolators 77 is enclosed in the passage, when the end that stops band spare forms this passage backward during doubling.By flexible fastening piece 94 elastomer isolators 77 being fixed on this stops in the band 62.Elastic shrinkage effect through elastomer isolators 77 will stop that the far lateral side 66 of band is spaced apart with the upper surface 40 of top flat.By near at least health limit 64, health limit 66 far away with stop that the inner surface 68 of band 62 forms recessed road 96.Shown recessed road 96 can limit, hold and keep bodily exudate up to remove diaper 20 from wearer.
Diaper of the present invention can have many known structures, and its absorbent cores can be adjusted to be suitable for the present invention.Representational configuration is described in US3 prevailingly, 860,003 (authorizing Buell on January 14th, 1975); US5,151,092 (JIUYUE was authorized people such as Buell on the 29th in 1992); And US5,221,274 (authorizing people such as Buell on June 22nd, 1993), these patents are incorporated herein by reference.
The top flat 38 that is particularly suitable for diaper 20 can adopt the fabric field known method of those of ordinary skill to carry out combing and heat bonding.The gratifying top flat of the present invention comprises about 2.2 deniers' hand pulling length (staplelength) polypropylene fibre.Term used herein " hand pulling length fiber " is meant the fiber of length at least about 15.9mm (0.625 inch).The quantitative of preferred top flat is about 14-25g/m
2Suitable top flat is by the Veratec Inc. of Walpole Mass., and the branch company of company (international paper) produces with the P-8 trade mark.
The top flat 38 of diaper 20 is preferably made to promote liquid (as urine) to pass top flat fast by water wetted material.If top flat is hydrophobic material, the upper surface of preferred top flat at least through hydrophilicity-imparting treatment so that liquid passes top flat apace.This has just eliminated bodily exudate and has flowed out top flat rather than suck and be absorbed the probability that wicking is received through top flat.Handle top flat with surfactant and can give its hydrophilic.The appropriate method of handling top flat with surfactant comprises with surfactant spraying top sheet materials with in this material immersion surfactant.The more detailed discussion that this hydrophilic is handled sees that (its exercise question is " absorbent device with multi-layer absorber layer " to United States Patent (USP) 4 988 344, authorized people such as Reising on January 29th, 1991) and United States Patent (USP) 4 988 345 (it is entitled as " absorbent device with quick collection absorbent cores ", authorized Reising on January 29th, 1991), described patent is incorporated herein by reference.
In the preferred diaper scheme of this paper, egative film 42 has the hourglass shape that changes shape, and its minimum range of extending absorbent cores along whole diaper periphery is about 1.3 to about 6.4cm (about 0.5-2.5 inches).
Absorbent cores 44 can be any size and shape that is complementary with diaper 20.A preferred embodiment of diaper 20 has asymmetric, as to change shape T shape absorbent cores 44, and it has the ear end in first lumbar region, but has common rectangular shape in second lumbar region.Representational absorbing structure as absorbent cores of the present invention has obtained extensive approval and has obtained commercial success.This absorbing structure is described in the following document: United States Patent (USP) 4610678, be entitled as " high density absorbing structure ", and JIUYUE was authorized Weisman etc. on the 9th in 1986; United States Patent (USP) 4 673 402 is entitled as " absorbent device with double-deck core ", authorizes people such as Weisman on June 16th, 1987; United States Patent (USP) 4 888 231 is entitled as " absorbent article core with prime coat ", and December was authorized Angstadt on the 19th in 1989; And United States Patent (USP) 4 834 735, be entitled as " having high density absorbing component " than low-density and low quantitative collection district, authorized people such as Alemany on May 30th, 1989.Absorbent cores also can comprise the twin-core system, this twin-core system comprises being positioned to absorb stores on the core, collection/distribution core of making by the chemicosolidifying fiber, its detailed content sees that United States Patent (USP) 5 234 423 (is entitled as " absorbent item with elasticized waistand and high-absorbable ", authorized people such as Alemany on August 10th, 1993) and United States Patent (USP) 5147345 (be entitled as the highly efficient absorbent article of usefulness " incontinence handle ", JIUYUE was authorized Young on the 15th in 1992, LaVon and Taylor), all these patents are incorporated herein by reference.
In preferred scheme, diaper 20 comprises elastic barrier lower limb hoop 62 and elastic packing band 56 (being used to improve the performance of holding of liquid and other bodily exudate) and fixed system 54 (forming a side seal is eclipsed configuration to keep front waist region 22 and back waist region 24, keeps horizontal tension on every side diaper is remained on one's body the user at diaper like this).Diaper 20 can comprise also that in front waist region 22 and back waist region 24 elasticized waistand (not shown) and/or elastomeric side panels (not shown) are to provide diaper 20 effect and more effective application more comfortable, more next to the shin.
The elastic leg cuff that provides improved receiving fluids and other health to go out the ability of thing, it can form by various configuration structure, comprises the configuration of describing in the following document: US 3 860 003; US4909803 (authorizing people such as Aziz March 20 nineteen ninety); US 4695278 (JIUYUE was authorized Lawson on the 22nd in 1987); And US4 795 454 (authorizing Dragoo on January 3rd, 1989).These patents are incorporated herein by reference.Each elastic leg cuff can have several different modes to reduce the seepage (the lower limb hoop can and be called the bottom bands of trouser legs, flank sometimes, stops band or elasticity band) in lower limb district body exudates.US 3,860 003 discloses a kind of disposable diaper, and this diaper provides a collapsible legs opening with flank and one or more elastic components to obtain elastic leg cuff (sealing band), is introduced into this paper as a reference.US 4909803 has described a kind of performance of holding with disposable diaper of " uprightly " elastic wings (stopping band) with improvement lower limb district, this patent is entitled as " disposable absorbent article with elastic wings ", authorize people such as Aziz March 20 nineteen ninety, is incorporated herein by reference.US 4 695 278 discloses a kind of two bands disposable diaper of (comprise the sealing band and stop band) that has, and this patent is entitled as " absorbent device with two bands ", and JIUYUE was authorized Lawson on 22nd in 1987, was incorporated herein by reference.Although the configuration of each elastic leg cuff can be with above-mentioned any bottom bands of trouser legs, flank, stop that band or elasticity band are identical, preferred elastomeric lower limb hoop comprise hereinafter describe in detail stop band 62 and sealing band 56.
Stop that respectively band 62 is for having the flexible piece of nearly health limit 64, health limit 66 far away, inner surface 68 (being also referred to as inner surface) and outer surface 70 (being also referred to as outer surface).Inner surface 68 is towards the diaper positioned internal, and outer surface 70 then is the skin of wearer when dressing diaper.Term used herein " flexibility " refers to that energy is crooked and is easy to and physical shapes and the corresponding to material of profile.Stop that band 62 can be by various manufacture of materials, as polypropylene, polyester, artificial silk, nylon, foam, plastic foil, formed film and elastic foam.Available various production technology is come production barrier cuff band.For example, stop band 62 can through weave, non-woven, spunbond, melt and spray, combing, coating, stratification, or above-mentioned processing such as combination.Particularly preferredly stop that band 62 comprises and do not contain finishing agent or surfactant to give the polypropylene material of its opaque liquid.Particularly preferred polypropylene non-woven material is produced with Celestra by Crown Zellerbach company.In addition, because the hydrophobicity emollient coating among the present invention stops that band can be made by hydrophilic material.
As shown in figs. 1 and 3, stop band 62, particularly near health limit 64 is positioned near the inboard on the vertical limit 30 of diaper, is positioned at sealing band 56 inboards and also preferably is adjacent.Term " inboard " is meant towards the direction of the diaper centrage parallel with diaper 20 each limit (being respectively 34 or 36), along each limit of diaper specific sealing band 56 can be set.Stop that thereby the inboard that band 62 is positioned at sealing band 56 makes ejection, particularly be difficult for being absorbed and often floating over the loose fecal matter on the top flat upper surface 40, with contact with stopping band 62 before sealing band 56 contacts.Stop that band 62 and sealing band 56 are adjacent with to the more effective dual restriction of the mobile generation of bodily exudate.Stop that band 62 is preferably placed between the elasticity wing member 60 and diaper 20 longitudinal centre lines 36 of sealing band 56, most preferably between the elasticity wing member 60 and side 46 of the absorbent cores 44 of diaper 20 crotch area 26.
Preferred far away health limit 66 does not link to each other with any other parts in the crotch area 26 of diaper 20 at least, makes the upper surface 40 of itself and top flat 38 separate.Health limit far away 66 upper surfaces 38 preferred and top flat 38 are spaced apart, stop that band 62 forms recessed road 96 to improve the performance of holding of articles for use thereby make." separating " used herein comprises following scheme: the upper surface 40 of health limit far away 66 relative top flats 38 is in one or more positions, and is adjacent with the upper surface 40 of top flat 38 when including.When health far away limit 66 and top flat separate as much as possible (being in the elastic shrinkage state), the distance between the upper surface 40 of health limit 66 far away and top flat 38 along far lateral side 66 to top flat 38 the line segment of approaching part measure.The height that preferred far away health limit 66 and top flat 38 separate is at least about 2mm, more preferably from about 5-10mm (about 1/4-3/8 inch).
Recessed road 96 is at least along proximal edges 64, far lateral side 66 with stop that the inner surface 68 of band 62 forms.When discharging that logistics will flow through or during emersion top flat 38,96 pairs in recessed road is discharged logistics and has been formed one and stop.Therefore, recessed road 96 can hold and keep bodily exudate up to removing diaper 20.
Except that the barrier leg cuff band, absorbent item of the present invention preferably also comprises sealing band 56.But the sealing band 56 of elastic shrinkage and periphery 28 adjacency of diaper 20 are preferably adjacent with diaper 20 peripheries 28 along each vertical limit 30, thereby sealing band 56 tends to hold and maintain diaper 20 towards wearer thigh direction.Although sealing band 56 can be included in known any several parts in the diaper field, but particularly preferred sealing band structure comprises flexible flank 58 and elasticity wing member 60, it is described in detail in the United States Patent (USP) 3860003 of authorizing Buell on January 14th, 1975, and this patent is incorporated herein by reference.Produce the appropriate method of disposable diaper and unit describe in addition in United States Patent (USP) 4 081 301 with elastic packing band 56, it is entitled as " will disperse, elongate elastic band be fixed to the method and apparatus of the predetermined separate section of disposable absorbent article continuously ", on March 28th, 1978 was authorized K.B.Buell, was incorporated herein by reference.
But elasticity wing member 60 links to each other with flank 58 under the elastic shrinkage state, thereby under the configuration of not shrinking usually, flank 58 can be shunk or gather to elasticity wing member 60 effectively.At least in two ways, but under the elastic shrinkage condition, elasticity wing member 60 is fixed on the flank 58.For example, elasticity wing member 60 can be stretched and be fixed to then on the flank 58, and flank 58 is in not contraction state simultaneously.In addition, for example flank 58 is shunk, and be under the non-lax or non-flexible state, be fixed on the flank 58 of contraction in elasticity wing member 60 by pleating.
In embodiment as shown in Figure 1, elasticity wing member 60 is stretched over the whole length of flank 58 basically in the crotch area 26 of diaper 20.In addition, but elastic component 60 be extensible to the whole length of diaper 20 or be stretched over the suitable length that the sealing of elastic shrinkage band can be provided.The length of elasticity wing member 60 is by the diaper design decision.
In diaper shown in Figure 3 20, it is interconnected thereby elasticity wing member 60 is fixed on the flank 58 with flexible fastening piece 90.Flexible fastening piece 90 should be flexible, thereby and has enough bond propertiess the elasticity wing member can be kept at extended state.The glue pearl that flexible fastening piece 90 of the present invention is preferably made by hotmelt (as by Findley binding agent company, Elm Grove, Wis sells with Findley binding agent 581).Elasticity wing member 60 is located and is fixed to the more detailed description of the mode on the diaper 20 and see United States Patent (USP) 4 253 461 (authorizing Strickland and Visscher on March 3rd, 1981) and United States Patent (USP) 4 081 301 (authorizing Buell on March 28th, 1978).These two pieces of documents are incorporated herein by reference.
Find that a kind of suitable elasticity wing member 60 is by from Stewart, the cross section that the natural rubber that the Easthampton RubberThread Company of Va. has bought with trade mark L-1900 rubber composition is made is 0.18mm * 1.5mm elastic webbing.Other suitable elasticity wing member 60 can be made by natural rubber, as by Scotland, and the elastic cord that the Fulflex company of N.C. sells with trade mark Fulflex 9211.Elasticity wing member 60 can comprise the known any thermal contraction elastomeric material of prior art.Other suitable elasticity wing member 60 can comprise the known various materials of prior art, comprising: the elasticity gauze of elastomer film, polyurethane film, elastomer foam and shaping.
In addition, elasticity wing member 60 can be different shape.For example, the width of elasticity wing member 60 can change from about 0.25mm (0.01 inch) to about 25mm (1.0 inches) or bigger.Elasticity wing member 60 can comprise a sub-thread elastomeric material or several strands of parallel or nonparallel elastomeric materials.Perhaps, elasticity wing member 60 is linear or shaped form.In addition, elasticity wing member 60 can variety of way well known in the prior art be connected on the diaper 20.For example, elasticity wing member 60 can adopt various bonding patterns ultrasonic bonds, heat/wiper seal to diaper 20, or is glued to simply on the diaper 20.
Elastic waist feature preferably includes the elastic waist belt (not shown), this elastic waist feature can be many different shapes, comprise US 4 515 595, described in US 5 026 364 and the US 5 151 092 those, these patents respectively on May 7th, 1985, on June 25th, 1991,1992 on JIUYUE authorized people such as people, Robertson and Buell such as Kievit in 29, this paper is incorporated herein by reference.
Elastomeric side panels can be made into many configurations.The example that has the diaper of elastomeric side panels at the ear end (or earflap) of diaper is disclosed in the following document: US 4 857 067, authorize people such as Wood on August 15th, 1989; US 4 381 781, authorize people such as Sciaraffa May 3 nineteen eighty-three; US 4 938 753, authorize people such as Van Gompel July 3 nineteen ninety; US5, JIUYUE was authorized people such as Buell on the 29th in 151,092,1992.Above-mentioned document is incorporated herein by reference.
Before being to use, Fig. 4 is in the perspective view of the diaper 20 of elastic shrinkage state.Shown top flat 38 is the body contact surface of diaper 20; Egative film 42 is placed away from the health of user.Shown sealing band 56 is assembled or contraction through elasticity wing member (not shown among Fig. 4).Diaper 20 have extend near the sealing band 56 and its inboard two stop band 62.At crotch part 26, health limit 66 far away is assembled and is shunk so that the recessed road 96 of longitudinal extension to be provided along diaper 20 through the elastomer isolators (not shown).In addition, before and after the end 72 and 74 that stops band 62 closely is fixed on respectively in the enclosed area 80 and 82 so that wearer comfort avoid stopping the band counter-rotating, and be easy to use this diaper.
Back waist region 24 is fixed to below, wearer back, then the remainder of diaper 20 is moved between the thigh, the front portion that makes front waist region 22 be positioned at user just can be through diaper 20 on one's body the user.The end of banded fin fixture 54 preferably is fixed on the outside zone of diaper 20.By this way, just can will stop that band 62 is placed into the crotch area of wearer, and aforesaid distribution and function are provided.In case put on, stop that the far lateral side 66 of band 62 is just passed groin, upwards separately along the wearer buttocks.Neither one stops that band 62 encases the thigh of user.But sealing band 56 will encase thigh, thereby thigh is produced the effect of pad envelope.The end that stops band 62 is fixed on the top flat 38 to avoid stopping that band reverses, and provides comfortable to wearer, and is easy to use this diaper between wearing and operating period.
The band that the present invention handles through emollient also can be used for training pants.Described term " training pants " refers to have the disposable medicated clothing of fixed sides and leg opening.Wearer's thigh is filled in leg opening just can put on training pants around then training pants being put into gently the following body of wearer.The suitable training trousers are disclosed among the US 5246433 (JIUYUE was authorized people such as Hasse on the 21st in 1993) open, and the document is incorporated herein by reference.Band through the skin moistening compositions-treated of the present invention also is suitable for this class absorbent device of the combination or the amalgamation of training pants and diaper.
Can use the present invention is incontinence article through the another kind of disposable absorbent article of the band of emollient processing.The insert of term " incontinence article " thumb pad, underwear (by fixed pad such as some suspension such as cingulum), absorbent item, the capacity of absorbent item improve thing, panties, mattress etc., no matter and be that adult or other incontinent person dress.The incontinence article that is fit to is disclosed in US 4253461 (authorizing people such as Strickland on March 3rd, 1981); US 4597760 and 4597761 (authorizing Buell); The above-mentioned US4704115 that mentions; US 4909802 (authorizing people such as Ahr); US 4964860 (authorizing people such as Gipson October 23 nineteen ninety); The U.S. Patent application 07/637090 (PCT publication number WO published on July 23rd, 92/11830,1992) that on January 3rd, 1991 was submitted to by people such as Noel.
B. skin moistening compositions (lotion composition)
Skin moistening compositions of the present invention 20 ℃ be under the ambient temperature for solid, be more typically semisolid." semisolid " refers to that this skin moistening compositions has the rheological characteristic of pseudoplastic behavior or plastic liquid.If do not apply shearing, the outward appearance of this skin moistening compositions is semi-solid, but improves with shear rate, and compositions becomes mobile.Although this is that it also comprises some small amount of liquid components because this skin moistening compositions mainly comprises solid constituent.
Skin moistening compositions of the present invention at least at room temperature is that semisolid is so that the migration of skin moistening compositions is minimum.In addition, the final fusing point of preferred composition (100% liquid) is higher than potential " (stressful) that intensify " storage requirement (greater than 45 ℃) (for example, car body of the warehouse of Arizona, Florida etc.).
Particularly, the skin moistening compositions has following fusing point distribution:
| Characteristic preferable range most preferred range |
| % liquid 2-50 3-25 is at room temperature (20 ℃) |
| % liquid 25-95 30-90 is at body temperature (37 ℃) |
| Final fusing point (℃) 〉=38 〉=45 |
Owing to be solid or semisolid at ambient temperature, thus these skin moistening combined stream to and move to the trend of its coated diaper inside can be very not big.This means only needs less lotion just can reach ideal treatment, protective coating skin moistening benefit.
Term " lower limb hoop " comprises and stops band 62, sealing band 56 and its combination and modification thereof.
During through the diaper products of skin moistening compositions-treated, the skin moistening compositions is preferably coated the Body contact face (promptly towards the health face) of diaper leg cuffs in preparation the present invention.As defined herein, the Body contact face of barrier leg cuff often refers to outer surface, and the Body contact face of sealing lower limb hoop often refers to front surface.Yet therefore some band material of the permeable mistake of emollient, coats the contact with clothing face (that is the rear surface of the inner surface of barrier leg cuff and/or sealing lower limb hoop) of diaper leg cuffs also obviously in scope of the present invention with the skin moistening compositions.
When the skin moistening compositions was applied to described lower limb hoop surface, by the motion and/or the body heat of normal contact, wearer, said composition can be transferred on the skin of wearer.Importantly, thus skin moistening compositions disclosed by the invention makes the minimum skin irritation that do not produce of friction between the skin of wearer of band and its contact.
The inner surface of diaper barrier leg cuff of the present invention and/or sealing lower limb hoop contain the skin moistening compositions of effective dose.Used term " the skin moistening composition coating of effective dose " refers to a certain amount of specific skin moistening compositions, when it is coated onto on the diaper leg band, friction between the skin that can reduce band effectively and be contacted reduces skin irritation, and reduces the adhesiveness of BM and skin effectively.Certainly, the skin moistening composition layer of effective dose depends on used specific skin moistening compositions to a great extent.
Skin moistening compositions of the present invention comprises (1) lubricant (emollient); (2) lubricant fixative; (3) Ren Xuan hydrophilic surfactant; (4) other optional components.
The viscosity of the compositions that comprises lubricant, fixative and optional component of preparation should be high as much as possible, thereby prevent that lubricant from flowing to diaper inside.Unfortunately, in some cases, the viscosity height may make the skin moistening compositions be difficult to use and bring processing problems.Therefore, viscosity should reach a balance; The enough height of viscosity so that the skin moistening compositions be fixed on the surface of diaper leg band, again can be too not high and cause processing problems.The viscosity that the skin moistening compositions is suitable is generally about 1-5000 centipoise, preferably about 5-200 centipoise, and 10-100 centipoise more preferably from about is 60 ℃ of measurements.
1, lubricant
The main active of these skin moistening compositionss is one or more lubricants.This employed lubricant be soft, level and smooth, replenish, apply, lubricate, preserve moisture or the material of cleaning skin.Lubricant can reach above-mentioned several purposes purpose as level and smooth, lubricated and the skin of preserving moisture.These lubricants of the present invention have plasticity or fluid consistency under ambient temperature is 20 ℃.This specific lubricant denseness makes the skin moistening compositions have the feel of softness, smooth, paste.
The used lubricant of the present invention is substantially free of water." be substantially free of water " and be meant in the lubricant that do not have a mind and add entry.In preparation or unnecessaryly when using skin moistening compositions of the present invention in lubricant, add entry, and may need additional drying steps.But, can allow the water that contains a small amount of or trace in the lubricant and not have adverse effect that these water are owing to absorbing as ambient humidity.The used lubricant of the present invention contains usually has an appointment 5% or lower water, and preferred about 1% or lower water, most preferably from about 0.5% or lower water.
The preferred lubricant that is used for skin moistening compositions of the present invention is a polysiloxane compound.Usually, be used for those materials that suitable polysiloxanes material of the present invention comprises the monomer siloxane unit with following array structure:
Wherein, for each siloxanyl monomers unit independently, R
1And R
2Can be hydrogen or any alkyl, aryl, alkenyl, alkaryl, aralkyl, cycloalkyl, halogenated hydrocarbons or other group separately independently.In this class group any can be that replace or unsubstituted.The unitary R of any certain monomers
1And R
2The corresponding functional group of the monomeric unit that group can be connected with the next one is different.In addition, polysiloxanes can be straight chain, side chain or have circulus.In addition, R
1And R
2Group can be that other siliceous functional group is such as, but not limited to siloxanes, polysiloxanes, silane and polysilane independently.R
1And R
2Group can contain various organo-functional groups, comprises as alcohol, carboxylic acid, phenyl and amine functional group.
Exemplary alkyl is methyl, ethyl, propyl group, butyl, amyl group, hexyl, octyl group, decyl, octadecyl etc.Exemplary alkenyl is vinyl, pi-allyl etc.Exemplary aryl is phenyl, diphenyl, naphthyl etc.Exemplary alkaryl is tolyl, xylyl, ethylbenzene base etc.Exemplary aralkyl is benzyl, α-phenethyl, β-phenethyl, α-benzene butyl etc.Exemplary cycloalkyl is cyclobutyl, cyclopenta, cyclohexyl etc.Exemplary halo alkyl is chloro methyl, bromoethyl, tetrafluoro ethyl, fluoro ethyl, trifluoroethyl, fluoroform phenyl, hexafluoro xylyl etc.
As long as polysiloxanes can flow or can make mobile state when being used for diaper leg cuffs, can changing as the viscosity of common polysiloxanes, the viscosity of so useful polysiloxanes changes as wide as possible.This is including, but not limited to being low to moderate 5 centistokes (passing through glass viscosity instrumentation amount in 37 ℃) to about 20,000,000 centistoke.Preferably in the time of 37 ℃ the viscosity of polysiloxanes from about 5,000 centistokes of about 5-, more preferably from about 2,000 centistokes of about 5-, most preferably from about 1000 centistokes of about 100-.By as with polysiloxanes emulsifying in surfactant, or, itself anti-mobile high viscosity polysiloxanes can be deposited on the diaper leg cuffs effectively by means of the method for solvent as hexane (just illustrative) provides polysiloxane solution.To be discussed in more detail the ad hoc approach that polysiloxane emollient is added to absorbent device below.
Be used for preferred polysiloxane compound of the present invention and be disclosed in United States Patent (USP) 5,059,282 people such as () Ampulski, on October 22nd, 1991 authorized, and was incorporated herein the document as a reference.The particularly preferred polysiloxane compound that can be used as the lubricant in the skin moistening compositions of the present invention comprises, the functional methyl polysilicone hydride compounds of phenyl (for example, polyphenyl methyl siloxane), polydimethylsiloxane and cetyl or the functionalized polydimethylsiloxane of stearyl Dow Corning 556 Cosmetic-Grade Fluid:, as be respectively the polysiloxane fluid of Dow 2502 and Dow 2503.Except having the such substituent group of phenyl functional group or alkyl group, effectively substituent group also has amino, carboxyl, hydroxyl, ether, polyethers, aldehyde, ketone, amide, ester and thiol group.In these effective substituent groups, comprise phenyl, amino, alkyl, this class group of carboxyl and hydroxyl is more more preferred than other group; The functional group of phenyl most preferably.
The suitable silicone materials that is used for other type of the present invention comprises the polysiloxanes of season amino, carboxylated polysiloxanes, the polysiloxanes of ethoxylation etc.The representative of this class material is a United States Patent (USP) 5 of authorizing people such as Funk in March 8 nineteen ninety-five, 558,873 and authorize people's such as Smith United States Patent (USP) 5,552 July 21 nineteen ninety-five, those polysiloxanes of describing in 020 are introduced the present invention as a reference with the disclosure of every piece of patent.
It should be understood that silicone materials described above is also referred to as " silicone compounds " in the art sometimes.It should be understood that have required lubricant properties silicone compounds also obviously within the scope of the invention.
That the lubricant that is used for other type of the present invention comprises is petroleum-based, the mixture of fatty acid ester, alkyl ethoxylate class, fatty acid ester ethoxylate class, aliphatic alcohols or these lubricants.Suitable oil-based lubricant comprises those hydrocarbon with 16-32 carbon atom chain length, or the mixture of these hydrocarbon.The petroleum base hydrocarbon that has these chain lengths comprises mineral oil (also being referred to as " Albolene ") and vaseline (also being referred to as " ceresine ", " vaseline " and " mineral jelly ").Mineral oil is commonly referred to as more low viscous and has the mixture of the hydrocarbon of 16-20 carbon atom.Vaseline is commonly referred to as more heavy-gravity and has the mixture of the hydrocarbon of 16-32 carbon atom.Vaseline and mineral oil are the particularly preferred lubricants that is used for lotion composition of the present invention.
Suitable fatty acids esters lubricant comprises by C
12-C
28Fatty acid is preferably by C
16-C
22Satisfied fatty acid, and short chain (C
1-C
8, preferred C
1-C
3) monohydric alcohol those materials of deriving and obtaining.The representational example of described ester comprises methyl hexadecanoate, methyl stearate, isopropyl laurate, isopropyl myristate, isopropyl palmitate, ethylhexyl palmitate and composition thereof.The suitable fatty acids ester lubricant also can be by long-chain fatty alcohol (C more
12-C
28, preferred C
12-C
16) and more short chain fatty acid for example the ester of lactic acid derive and obtain, as Lauryl lactate and lactic acid cetyl.
Suitable alkyl ethoxylate series lubricant agent comprises that average degree of ethoxylation is the C of about 2-about 30
12-C
22Alcohol ethoxylate.Preferred alcohol ethoxylate lubricant is selected from: average degree of ethoxylation is lauryl, cetyl and the stearyl ethoxylate of about 2-about 23, and composition thereof.The representational example of described alkyl ethoxylate comprises, dodecyl polyoxyethylene ether-3 (average degree of ethoxylation is 3 lauryl ethoxylate), dodecyl polyoxyethylene ether-23 (average degree of ethoxylation is 23 lauryl ethoxylate), ceteth-10 (average degree of ethoxylation is 10 spermol ethoxylate) and octadecyl polyoxyethylene ether-10 (average degree of ethoxylation is 10 stearyl alcohol ethoxylate).These alkyl ethoxylate lubricants are used in combination with oil-based lubricant such as vaseline usually, the alkyl ethoxylate lubricant to the weight ratio of oil-based lubricant from about 1: 1 to about 1: 5, preferably from about 1: 2 to about 1: 4.
Suitable aliphatic alcohols lubricant comprises C
12-C
22Aliphatic alcohol, be preferably C
16-C
18Aliphatic alcohol.Representational example comprises spermol and stearyl alcohol, and composition thereof.These aliphatic alcohol lubricants are used in combination with oil-based lubricant such as vaseline usually, the aliphatic alcohol lubricant to the weight ratio of oil-based lubricant from about 1: 1 to about 1: 5, preferably from about 1: 1 to about 1: 2.
Remove the lubricant of polysiloxane group, the fatty acid ester series lubricant agent, fatty acid ester ethoxylate, the alkyl ethoxylate lubricant, outside aliphatic alcohols lubricant and the polysiloxanes, that lubricant of the present invention also comprises is a spot of (as, nearly about 10% of the lubricant total amount) other lubricant commonly used, it includes but not limited to propylene glycol, glycerol, 2,2'-ethylenedioxybis(ethanol)., spermaceti or other wax, fatty acid and aliphatic chain have the fatty alcohol ether of 12-28 carbon atom, as stearic acid, and propenoxylated aliphatic alcohol, glyceride, aceto-glyceride and C
12-28The glyceride of the ethoxylation of fatty acid; Other fatty ester of polyhydric alcohol; Lanoline and its derivant and cod liver oil.The mode that adds these other lubricants should be to make the skin moistening compositions keep solid or semisolid mode.
The amount that adds the lubricant in the skin moistening compositions will depend on various factors, comprise related specific lubricant, desirable skin moistening benefit, factors such as other component in compositions.Described compositions can comprise about 5-95%, 20-80% more preferably from about, the lubricant of best about 40-75%.
2, fixative
Special key component in the skin moistening compositions of the present invention is the reagent that polysiloxane emollient can be fixed on the diaper leg cuffs that is coated with the skin moistening compositions.Because the lubricant in the compositions has plasticity or fluidic denseness at 20 ℃, this lubricant often will flow or move, even when being subjected to the shearing of appropriateness.In the time of on being applied to diaper leg cuffs, when especially being in fusing or molten condition, lubricant will can not be retained on the lower limb hoop surface substantially.On the contrary, this lubricant often will move and flow to the inside of diaper.
Owing to be used for the hydrophobic property of the lubricant of skin moistening compositions of the present invention, so lubricant migrates to, and diaper is inner can to produce undesirable effect to the absorbability of diaper absorbent cores.And the elasticity that continues that emollient draws in elasticity through the band migration has adverse influence.This also means, in order to obtain desirable treatment or protective skin moistening benefit, must add more lubricant on the diaper leg band.The consumption that increases lubricant not only will increase cost, but also will increase the weight of the absorbability and performance contraction or the elasticity aggregation of diaper cores are produced undesirable effect.
By lubricant mainly is positioned on the diaper band surface that the skin moistening compositions applied, fixative has been offset lubricant migration or mobile this trend.It is believed that this part is because fixative makes the fusing point of skin moistening compositions be increased to cause on the lubricant fusing point.Because fixative also can be miscible with lubricant (or by suitable emulsifiers dissolve in lubricant), therefore, it also can be trapped in lubricant on the surface of diaper leg cuffs.
Another advantage of the present invention is, with fixative " locking " on the surface of diaper leg cuffs.This can realize by the fixative that uses rapid crystallization on lower limb band surface (or curing).In addition, can quicken the crystallization of fixative by aerator, fan etc. to the diaper leg band external refrigeration of handling.
Except can miscible with lubricant (or being dissolved in wherein), this fixative should have the fusing point at least about 35 ℃.Like this, this fixative itself will not have migration or mobile trend.The fusing point of preferred fixative is at least about 40 ℃.Usually, the melting range of fixative is from about 50 ℃ to about 150 ℃.
Be applicable to that fixative of the present invention can comprise: be selected from C
14-C
22Aliphatic alcohol, C
12-C
22Fatty acid and average degree of ethoxylation are the C of about 2-30
12-C
22The composition of alcohol ethoxylate and composition thereof.Preferred fixative comprises: C
16-C
18Aliphatic alcohol most preferably is selected from: spermol, the fixative of stearyl alcohol and composition thereof.Particularly preferably be the mixture of spermol and stearyl alcohol.Other preferred fixative comprises: C
16-C
18Fatty acid most preferably is selected from: Palmic acid, stearic acid and composition thereof.Palmic acid and stearic mixture are particularly preferred.Also have other preferred fixative to comprise: the C of average degree of ethoxylation from about 5 to about 20
16-C
18Alcohol ethoxylate.Pure and mild fatty acid of preferred fat and aliphatic alcohol are linear.
Importantly, these preferred fixative such as C
16-C
18Aliphatic alcohol increases the crystalline rate of skin lotion, makes skin lotion crystallization on the surface of substrate promptly.Therefore, can use the skin lotion of low consumption, maybe can obtain excellent skin moistening feel.Traditionally, because these liquid will flow in the diaper cores, therefore need relatively large skin lotion to produce flexibility.
Can use the fixative of other kind separately or be used in combination with above-mentioned aliphatic alcohol, fatty acid and alcohol ethoxylate.The example of the fixative of these other kinds comprises: mulit-hydroxy fatty acid ester, polyhydroxy fatty acid amide and composition thereof.Preferred ester and amide will have three or more free hydroxyl group on the polyhydroxy part, and will have the nonionic characteristic usually.Because use the diaper leg cuffs that applies lotion composition may make skin sensitivity, therefore, it is relative soft and non-irritating that these esters are also tackled skin with amide.
Be used for of the present invention, suitable mulit-hydroxy fatty acid ester and will have following structural formula:
In the formula, R is C
5-C
31Alkyl, preferably straight chain C
7-C
19Alkyl or alkenyl, more preferably straight chain C
9-C
17Alkyl or alkenyl, most preferably straight chain C
11-C
17Alkyl or alkenyl, or its mixture; Y is the polyhydroxy alkyl part, and wherein hydrocarbyl chain is at least with 2 free hydroxyl that are connected directly on this chain; N is at least 1.Suitable Y group can be by polyhydric alcohol such as glycerol, tetramethylolmethane; Sugared as Raffinose, maltose glucose, galactose, sucrose, glucose, xylose, fructose, maltose, lactose, mannose and erythrose; Sugar alcohol such as erythritol, xylitol, maltose alcohol, mannitol and sorbitol; And sugar alcohol acid anhydride such as sorbitan are derived and are obtained.
Be used for the suitable mulit-hydroxy fatty acid ester of a class of the present invention and comprise some Isosorbide Dinitrate, preferred C
16-C
22The Isosorbide Dinitrate of satisfied fatty acid.Because its typical preparation method, thus these anhydro sorbitols usually comprise single-, two-, three-etc. the mixture of ester.The representative example of suitable anhydro sorbitol (for example comprises the Palmic acid Isosorbide Dinitrate, SPAN40), the stearic acid Isosorbide Dinitrate (for example, SPAN 60), with the behenic acid Isosorbide Dinitrate, and the monoesters, diester and three esters that comprise one or more these sorbitol esters, anhydro sorbitol list, two and tripalmitate for example, anhydro sorbitol list, two and tristearate, anhydro sorbitol list, two and three (behenic acid) ester, and blended tallow fatty acids anhydro sorbitol monoesters, diester and three esters.Also can use the mixture of different Isosorbide Dinitrates in addition, as the mixture of Palmic acid Isosorbide Dinitrate and stearic acid Isosorbide Dinitrate.Particularly preferred Isosorbide Dinitrate is the stearic acid Isosorbide Dinitrate, normally the mixture of monoesters, diester and three esters (adding some four ester) such as SPAN 60 and with trade name GLYCOMUL-S (Lonza, Inc.) the stearic acid Isosorbide Dinitrate of Chu Shouing.Although comprise monoesters, diester and three esters in these Isosorbide Dinitrates usually, add the mixture of some four ester, in these mixture, what account for Main Ingredients and Appearance is monoesters and diester.
Another kind ofly be used for of the present invention, suitable mulit-hydroxy fatty acid ester and comprise: some monoglyceride, preferably C
16-C
22The monoglyceride of satisfied fatty acid, as monostearin, monopalmitin and glycerol one (behenic acid) ester.In addition, the same with Isosorbide Dinitrate, the mixture of monoglyceride will comprise some diester and three esters usually.Yet, should mainly comprise in the described mixture and be used for monoglyceride of the present invention.
Another kind ofly be used for of the present invention, suitable mulit-hydroxy fatty acid ester and comprise some sucrose fatty acid ester, the C of preferably sucrose
12-C
22Polyunsaturated fatty acid ester.One ester and the diester of sucrose are particularly preferred, and comprise stearic acid one ester of sucrose and lauric acid one ester and the diester of diester and sucrose.
Be used for of the present invention, suitable polyhydroxy fatty acid amide and have following structural formula:
R in the formula
1Be H, C
1-C
4Alkyl, 2-ethoxy, 2-hydroxypropyl, methoxy ethyl, methoxy-propyl or its mixture, preferred C
1-C
4Alkyl, methoxy ethyl or methoxy-propyl, more preferably C
1Or C
2Alkyl or methoxy-propyl, most preferably C
1Alkyl (being methyl) or methoxy-propyl; R
2Be C
5-C
31Alkyl, preferred straight chain C
7-C
19Alkyl or alkenyl, more preferably straight chain C
9-C
17Alkyl or alkenyl, most preferably straight chain C
11-C
17Alkyl or alkenyl, or its mixture; Z is the polyhydroxy alkyl part, and wherein linear hydrocarbyl chain is at least with 3 hydroxyls that are connected directly on this chain.Referring to United States Patent (USP) 5,174,927 (Honsa), December in 1992 was authorized (being incorporated herein this paper as a reference) on the 29th, this Patent publish these polyhydroxy fatty acid amides and preparation method thereof.
Preferred being derived by the reducing sugar in the reductive amination process obtains the Z part; Glycidyl (glycityl) most preferably.Suitable reducing sugar comprises glucose, fructose, maltose, lactose, galactose, mannose, and xylose.Can use the corn syrup that is rich in glucose, be rich in the corn syrup of fructose and be rich in the corn syrup of maltose, and list in top various sugar.These corn syrup can obtain being used for the mixture of Z sugared component partly.
Z partly is preferably selected from-CH
2-(CHOH)
n-CH
2OH ,-CH (CH
2OH)-[(CHOH)
N-1]-CH
2OH ,-CH
2OH-CH
2-(CHOH)
2(CHOR
3) (CHOH)-CH
2OH, n is the integer of 3-5 in the formula, R
3Be H or ring-type or aliphatic monosaccharide.Most preferably wherein n is 4 glycidyl, particularly-and CH
2-(CHOH)
4-CH
2OH.
In the said structure formula, R
1Can for example be the N-methyl, N-ethyl, N-propyl group, N-isopropyl, N-butyl, N-2-ethoxy, N-methoxy-propyl or N-2-hydroxypropyl; Can be to R
2Select, so that coconut oleoyl amine, stearmide, oleamide, lauramide, myristamide, decyl amide, palmitamide, Adeps Bovis seu Bubali amide etc. for example to be provided.The Z part can be a 1-deoxidation shrink glucityl; 2-deoxidation shrink fructosyl, 1-deoxidation shrink malt-base, 1-deoxidation shrink lactose base, 1-deoxidation shrink galactosyl, 1-deoxidation shrink mannose group, 1-deoxidation shrink maltotriose glycosyl etc.
Most preferred polyhydroxy fatty acid amide has following general formula:
R in the formula
1Be the methyl or methoxy propyl group; R
2Be C
11-C
17Straight chained alkyl or thiazolinyl.These materials comprise: N-lauryl-N-methyl grape sugar amide, N-lauryl-N-methoxy-propyl grape sugar amide, N-coco group-N-methyl grape sugar amide, N-coco group-N-methoxy-propyl grape sugar amide, N-palmityl-N-methoxy-propyl grape sugar amide, N-Adeps Bovis seu Bubali base-N-methyl grape sugar amide or N-Adeps Bovis seu Bubali base-N-methoxy-propyl grape sugar amide.
Just as noted earlier, some fixative needs emulsifying agent, is used for being dissolved in lubricant., particularly like this for some grape sugar amide such as HLB value at least about the sugared amide of N-alkyl-N-methoxy-propyl grape of 7.Suitable emulsifying agent generally includes the HLB value and is lower than those materials of about 7.In this respect, have found that previous described Isosorbide Dinitrate, as the HLB value be about 4.9 or littler stearic acid Isosorbide Dinitrate can be used to these grape sugar amide fixative is dissolved in the vaseline.Other suitable emulsifying agent comprises: dodecyl polyoxyethylene ether-2 is (with structural formula CH
3(CH
2)
17(OCH
2CH
2)
nThe polyglycol ether of the corresponding to stearyl alcohol of OH, the meansigma methods of n is 2 in the formula), Arlacel-65, lauric acid Coronex (isosorbide laurate), and monostearin.The consumption of described emulsifying agent should be enough to make fixative to be dissolved in the lubricant, obtains basic mixture uniformly with activation.For example, about 1: 1 mixture of N-coco group-N-methyl grape sugar amide and vaseline will can not be melt into single-phase mixture usually, when add 20%, it will melt and be single-phase mixture during as the dodecyl polyoxyethylene ether-2 of emulsifying agent and Arlacel-65 1: 1 mixture.
Perhaps use separately, perhaps can be with the said fixing agent batching of other type that be used in combination, that can be used as fixative comprise wax, as Brazil wax, Cera Flava, candelilla wax, paraffin, ceresine, esparto wax, ouricury wax, rezowax and other known wax.Preferred wax is paraffin.The example of particularly preferred paraffin is that Parrafin S.P.434 (derives from Strahl and Pitsch Inc.P.O.Box 1098West Babylon, NY11704).
The amount that should add the fixative in the lotion composition will depend on various factors, comprise the specific lubricant that relates to, whether related specific fixative needs emulsifying agent that fixative is dissolved in the lubricant, factors such as other component in lotion composition.Lotion composition can comprise the fixative of about 5%-about 95%.Preferably to comprise about 5%-about 50% for lotion composition, the fixative of best about 10%-about 40%.
3. Ren Xuan hydrophilic surfactant
Depend on employed specific fixative in skin moistening compositions of the present invention, can randomly add other hydrophilic surfactant (or mixture of hydrophilic surfactant), with processability and/or the stability of improving the skin moistening compositions.
Suitable hydrophilic surfactant can be miscible with lubricant and fixative, so that form uniform mixture.Because use the disposable absorbent products that applies lotion composition may make skin sensitivity, therefore, it is soft and non-irritating that these surfactants are also tackled skin.Usually these hydrophilic surfactants are non-ionic, and they are not only to the skin nonirritant, and can also avoid the layer fabric laminar structure is produced undesirable effect, for example reduce tensile strength.
Suitable non-ionic surface active agent is nonmigratory basically after lotion composition is applied on the diaper leg cuffs, and has about 20 from about 4-, preferred about HLB value of 7～about 20 usually.Become nonmigratoryly, these non-ionic surface active agents will have usually than in the higher fusion temperature of temperature that stores, transportation, transaction and disposable absorbent article were run between the operating period, for example at least about 30 ℃.In this regard, these non-ionic surface active agents preferably will have the fusing point that is similar to the aforementioned fixation agent.
Being used for ionic surfactant pack skin moistening compositions of the present invention, suitable draws together: alkylglycoside; As at United States Patent (USP) 4,011, the alkylglycoside ether that discloses among 389 people such as (, on March 8th, 1977 authorized) Langdon; The ester of alkyl polyethoxylated such as Pegosperse 1000MS (deriving from Lonza, Inc., FairLawn, New Jersey), average degree of ethoxylation is about 20 from about 2-, preferably from about 2-about 10, C
12-C
18Anhydro sorbitol one ester, diester and/or three esters of the ethoxylation of fatty acid, as TWEEN 60 (the stearic acid Isosorbide Dinitrate of average degree of ethoxylation about 20), TWEEN 61 (the stearic acid Isosorbide Dinitrate of average degree of ethoxylation about 4), and the condensation product of aliphatic alcohol and about 1-54 moles of ethylene oxide.The alkyl chain of described aliphatic alcohol normally straight chain (linear) configuration and comprise about 8-22 carbon atom.Particularly preferably be the condensation product of the about 30 moles oxirane of the alcohol of the alkyl that comprises about 22 carbon atoms of about 11-and the about 2-of every mol of alcohol.The example of described ethoxylated alcohol comprises: myristyl alcohol and every mol of alcohol are the condensation product of 7 moles oxirane, the condensation product of coconut alcohol (mixture of the aliphatic alcohol that alkyl chain length changes between 10-14 carbon atom) and about 6 moles of ethylene oxide.Many suitable ethoxylated alcohols can obtain from market, and they comprise TERGITOL 15-S-9 (C
11-C
15The condensation product of linear alcohol and 9 moles of ethylene oxide), sell by Union Carbide Corporation; KYRO EOB (C
13-C
15The condensation product of linear alcohol and 9 moles of ethylene oxide), by The Procter ﹠amp; Gamble Co. sells; The surfactant of product NEODOL by name (selling), particularly NEODOL 25-12 (C by shell chemical company
12-C
15The condensation product of linear alcohol and 12 moles of ethylene oxide) and NEODOL25-6.5T (C
12-C
13Linear alcohol with distill the condensation product that (topping) removes 6.5 moles of ethylene oxide of some impurity); Especially the surfactant of product PLURAFAC by name (by BASF AG's sale), particularly PLURAFAC A-38 (C
18The condensation product of straight chain alcohol and 27 moles of ethylene oxide).(some hydrophilic surfactant, particularly ethoxylated alcohol such as NEODOL 25-12 also can play the alkyl ethoxylated lubricant).Other example of preferred ethoxylated alcohol surfactant comprises: Brij surfactant of ICI ' class and composition thereof, wherein Brij 72 (being Steareth-2) and Brij 76 (being Steareth-10) are particularly preferred.In addition, ethoxylation to the spermol of the about 10-of average degree of ethoxylation about 20 and the mixture of stearyl alcohol also can be used as hydrophilic surfactant.
Being used for another kind of suitable surfactant of the present invention comprises: by the Aerosol OT of American CyanamidCompany sale, i.e. sodium dioctyl sulfosuccinate.
Being used for the suitable surfactant of a class in addition of the present invention comprises: silicone copolymers such as GeneralElectric SF 1188 (copolymer of polydimethylsiloxane and polyoxy alkylidene ether) and GeneralElectric SF 1228 (silicone-polyether copolymer).These silicone surfactants can be used in combination with the hydrophilic surfactant such as the ethoxylated alcohol of above-mentioned other kind.Having found that these silicone surfactants are being low to moderate 0.1%, is effective during the concentration of 0.25-1.0% (weight with the skin moistening compositions is as the criterion) more preferably from about.
The amount of the processability of improvement skin moistening compositions and/or the hydrophilic surfactant of stability will depend on the type of employed lubricant and fixative, the factors such as HLB value of the surfactant that uses.Skin moistening compositions of the present invention is optional comprise from about 1-about 50%, the hydrophilic surfactant of preferably about 1-about 25%.
4. other optional components
The skin moistening compositions also comprises other optional components that is present in usually in this series lubricant agent, cream and the emollient.These optional components comprise water, viscosity modifier, spice, disinfection activating agent, pharmaceutically active substance, film former, vitamin (as vitamin E), deodorizer, opacifier, astringent, solvent etc.Also can use as zinc oxide, calamine (calamine cream) and allantoin (allantoin) with not irriate and the diaper rash of protection skin.In addition, also can add stabilizing agent to strengthen the life-span of lotion composition, as cellulose derivative, protein and lecithin.Described these materials are known in this area as the additive of described prescription, and can use in the proper ratio in lotion composition of the present invention.In addition, the Aloe extract of 0.1%-20% weight is a skin moistening compositions preferred optional component of the present invention.
C. use skin moistening compositions-treated diaper leg cuffs
During through diaper products that emollient is handled, the skin moistening compositions is preferably coated the Body contact face (that is, towards the health face) of diaper leg cuffs in preparation the present invention.As defined herein, the Body contact face of barrier leg cuff often refers to outer surface, and the Body contact face of sealing lower limb hoop often refers to front surface.Yet therefore some band material of the permeable mistake of emollient, coats the contact with clothing face (that is the rear surface of the inner surface of barrier leg cuff and/or sealing lower limb hoop) of diaper leg cuffs also obviously in scope of the present invention with emollient.
Can use the energy uniform distribution to have any coating process of the lubriation material of fusion or liquid consistency.Suitable coating process comprises: spraying, printing (for example hectographic printing), coating (for example the intaglio plate or the line of rabbet joint coating), extrude or the combination of these coating techniques, for example the skin moistening compositions is sprayed on the surface such as felt wrapped roll of rotation, and then said composition is transferred on the body contacting surface of diaper leg cuffs.If desired, the skin moistening compositions can be coated to the two sides of band to improve the hydrophobicity of band.
The mode that applies that applies the skin moistening compositions to diaper leg cuffs should be as the criterion by the skin moistening compositions is saturated with the lower limb hoop.If the lower limb hoop is saturated by the skin moistening compositions, the huge potential danger that the emollient migration enters diaper inside will appear so, thus the absorptive capacity of the absorbent cores below reducing.In addition, for obtaining the skin moistening benefit of treatment and/or protective, also need not to make the lower limb hoop saturated.Specially suitable applying method is that lotion composition mainly is applied on the body contacting surface of diaper leg cuffs.Yet some band material of the permeable mistake of emollient, therefore, the contact with clothing face that the skin moistening compositions is coated diaper leg cuffs also obviously within the scope of the invention.
Thereby the minimum dosage that is applied to the emollient on the diaper leg cuffs reduces skin irritant minimum for the friction between the skin that reduces the lower limb hoop effectively and be in contact with it.Emollient can also effectively reduce BM and adhere on the wearer skin.Certainly, the effective dose of emollient coating will depend on used specific cosmetic composition to a great extent.The skin moistening compositions preferably is applied on the diaper leg cuffs of the present invention, and its consumption is about 0.1-50 milligram/inch
2, 1-25 milligram/inch more preferably from about
2(the milligram number of emollient in Tu Bu the lower limb hoop per square inch).Because the lubricant basic fixed on the surface of lower limb hoop, therefore, for giving desirable skin protection benefit, only needs a spot of skin moistening compositions.Described quite a spot of skin moistening compositions is enough to give the lower limb hoop with desirable treatment and/or protective skin moistening benefit.
One or two surface that the skin moistening compositions can be applied to equably the lower limb hoop go up or part surface on.The skin moistening composition coating can be certain pattern form, as strip, square shape, point or helical form etc.Preferred skin moistening compositions will contact maximum lower limb band section aligned by wearer when using, and being that the strip at center applies with longitudinal center's line parallel of each lower limb hoop and with it.Most preferably, described in embodiment hereinafter, the skin moistening compositions is coated the locus of discontinuity of barrier leg cuff band with strip, as usually the tablet of 1.4 inches wide (diapers laterally) and 11.75 inches long (diaper vertical) being positioned over the crotch area of barrier leg cuff band inner surface.
In addition, lotion composition also can be applied on one or two surface of diaper leg cuffs unevenly." inhomogeneous " refers to the consumption of skin moistening compositions, the pattern of distribution etc. and can change on lower limb hoop surface.For example some lower limb hoop surface portion of handling can have the skin moistening compositions of more or less amount, comprises on it surface portion without any the skin moistening compositions.
Can the skin moistening compositions be applied on the lower limb hoop in any step of assembly process.For example can before packing, the skin moistening compositions be applied on the lower limb hoop of Manufactured disposable absorbent article.Also can the skin moistening compositions be applied on the lower limb hoop in addition at the lower limb hoop with before other material combination becomes the disposable absorbent article finished product.
Normally the skin moistening compositions with molten condition is applied on the lower limb hoop of diaper.Because therefore just fusion of skin moistening compositions apparently higher than ambient temperature the time, is applied to it on lower limb hoop with the coating form after the heating usually.Usually, be in application to before the diaper leg cuffs, the skin moistening compositions is heated to about 35 ℃-Yue 100 ℃, preferred about 40 ℃-Yue 90 ℃.After the fusion lotion composition has been applied to diaper leg cuffs, allow its cooling curing, so that on lower limb hoop surface, form cured coating or thin film.Preferably applying method is designed, make it help the cools/solidifies of emollient.
When being applied to skin moistening compositions of the present invention on the diaper leg cuffs, preferably adopt narrow slit coating, extrusion coated method, intaglio plate rubbing method and spraying process.Fig. 5 has showed a kind of preferable methods, and this method is included in the conversion operation process, contacts narrow slit coating skin moistening compositions continuously or discontinuously to the diaper barrier leg cuff.With reference to figure 5, conveyer belt 1 moves on slewing rollers 3 and 4 according to the arrow indicated direction and becomes the conveyer belt 2 that returns.Conveyer belt 1 is delivering the diaper 5 that does not add emollient and is contacting with narrow slit coating station 6, here use heat, fused (for example 65 ℃) skin moistening compositions coating barrier leg cuff sheet 7.After leaving narrow slit coating station 6, become diaper 8 without the diaper 5 of skin moistening compositions-treated with barrier leg cuff band of handling through emollient.Transferring to the amount of the skin moistening compositions on the barrier leg cuff strap 7 can following method control: (1) is by the speed of the fused skin moistening compositions of contact narrow slit coating station 6 coatings; And/or (2) are in the speed of service of narrow slit coating station 6 lower conveyor belts 1.
Fig. 6 explanation contacted narrow slit with skin moistening compositions of the present invention and is applied to another program on the diaper leg band before diaper leg band and other raw material are assembled into final products.With reference to figure 6, nonwoven barrier leg cuff band net 1 uncoiling (according to the rotation of arrow 2a indicated direction) and advance to contact narrow slit coating station 6 from female roller 2 of barrier leg cuff band sprays the one side of this net with hot, fused (for example 65 ℃) skin moistening compositions at coating station.After leaving narrow slit coating station 6, nonwoven barrier leg cuff net 1 has become the barrier leg cuff band net through the skin moistening compositions-treated by 3 expressions.Treated barrier leg cuff band fleece 3 is advanced around guide roller 4 and 8, be wound on then on the female roller 10 of the barrier leg cuff of skin moistening compositions-treated (according to the rotation of arrow 10a indicated direction).
The present invention specifies through the preparation method of the diaper leg cuffs of skin moistening compositions-treated
To specify below and utilize lotion composition of the present invention that diaper leg cuffs is handled:
Embodiment 1
A. skin moistening preparation of compositions
(being liquid) component of following fusing is mixed the anhydrous skin moistening compositions A:WhiteProtopet 1S of preparation (by the white vaseline of Witco company production), Dow Corning 556 cosmetics-stage fluids (by the polyphenyl methyl siloxane of Dow Corning company production), Paraffin S.P.434 is (by Strahl ﹠amp; The paraffin that Pitsch company produces), 16/stearyl alcohol (linear C
16-C
18Primary alconol, by P﹠amp; G company obtains with TA-1618) and PEG 2000 (molecular weight of being produced by Sigma-Aldrich company is 2000 Polyethylene Glycol).The percentage by weight of these components is shown in down Table I:
Table I
| Component | Weight % |
| ????White?Protopet1S | ????52 |
| Polyphenyl methyl siloxane | ????20 |
| Paraffin | ????15 |
| 16/stearyl alcohol | ????10 |
| ????PEG2000 | ????3 |
B. be equipped with diaper by the heat seeling coating legal system through the skin moistening compositions-treated
Under 170 temperature, skin moistening compositions A is put into the jar of heating.Using a kind of contact spreader then (is Meltex EP45 hotmelt spreader head, in 170 operations) said composition is coated on the zone of 1.4 inches loose (diaper is horizontal) and 11.75 inches long (diaper is vertical) on the outer surface of diaper barrier leg cuff band, applying area is the center with lower limb band shrinking zone.Coating weight is 0.0116 gram/inch
2(18.0g/m
2).
Embodiment 2
The skin moistening compositions A of preparation among the embodiment 1 is coated on the bar of 1.4 inches wide (diaper is horizontal) on the outer surface of each barrier leg cuff band of diaper, being coated with cloth is center and the whole length that extends to the lower limb band with the longitudinal centre line of each lower limb band.Coating weight is 0.0116 gram/inch
2(18.0g/m
2).
The skin moistening compositions A of preparation among the embodiment 1 is coated on the bar of 1.4 inches wide (diaper is horizontal) and 11.75 inches long (diaper is vertical) areas on the outer surface of each barrier leg cuff band of diaper, being coated with cloth is the center with the longitudinal centre line of each lower limb band.Applying area is centered close to the shrinking zone of lower limb band.Coating weight is 0.0077 gram/inch
2(12.0g/m
2).
Claims (10)
1. absorbent device, this absorbent device comprises: outer cover, absorbent cores and band; Described outer cover comprises egative film and the saturating liquid top flat that links to each other with this egative film; Described absorbent cores is between described top flat and described egative film; Described band is fixed on the described outer cover, this band have towards the inner surface of absorbent device inside and when dressing this absorbent device towards the outer surface of wearer skin, it is characterized in that: the emollient coating that on described band, is distributed with effective dose, said emollient is a semisolid or solid-state at 20 ℃, and can be transferred to small part on the skin of wearer, said emollient coating comprises:
(i) the 5%-95% polysiloxane emollient that in the time of 20 ℃, has plasticity or fluid consistency; With
(ii) 5%-95% can be fixed to described polysiloxane emollient the reagent on the described band, and the fusing point of described fixative is at least 35 ℃.
2. the absorbent device of claim 1 is characterized in that: described polysiloxane emollient comprises 5% or water still less, and viscosity is 5-2 when being included in 37 ℃, the polysiloxane compound of 000 centistoke.
3. claim 1 or 2 absorbent device, it is characterized in that: described polysiloxane compound is the methyl polysilicone hydride compounds; Or the methyl polysilicone hydride compounds that replaces with the functional group that is selected from phenyl, amino, alkyl, carboxyl, hydroxyl, ether, polyethers, aldehyde, ketone, amide, ester, mercapto and their mixture; Or polyphenyl methyl siloxane; Or poly-amino methyl siloxanes.
4. each absorbent device among the claim 1-3, it is characterized in that: described fixative comprises:
Mulit-hydroxy fatty acid ester, polyhydroxy fatty acid amide, C
14-C
22Aliphatic alcohol, C
12-C
22Fatty acid, C
12-C
22Alcohol ethoxylate and composition thereof; Or be selected from the C of hexadecanol, octadecanol and composition thereof
16-C
18Aliphatic alcohol; Or mulit-hydroxy fatty acid ester, it is selected from sorbitan palmitate, sorbitan monostearate, anhydro sorbitol docosane acid esters, monostearin, monopalmitin and glycerol one (behenic acid) ester, sucrose list-, two-stearate and sucrose list-, two-laurate; Or
Sorbitan monostearate; Or
Polyhydroxy fatty acid amide, it is selected from N-lauryl-N-methyl grape sugar amide, N-lauryl-N-methoxy-propyl grape sugar amide, N-coco group-N-methyl grape sugar amide, N-coco group-N-methoxy-propyl grape sugar amide, N-palmityl-N-methoxy-propyl grape sugar amide, N-Adeps Bovis seu Bubali base-N-methyl grape sugar amide and N-Adeps Bovis seu Bubali base-N-methoxy-propyl grape sugar amide; Or
Paraffin.
5. each absorbent device among the claim 1-4, it is characterized in that: described emollient coating also comprises the hydrophilic surfactant of 1%-50%.
6. each absorbent device among the claim 1-5, it is characterized in that: described emollient coating also comprises the Aloe extract of 0.1%-20%.
7. each absorbent device among the claim 1-6, it is characterized in that: the described emollient coating amount on described band is 0.1 milligram/inch
2-50 milligrams/inch
2
8. each absorbent device among the claim 1-7 is characterized in that: but described band is the sealing band of an elastic shrinkage.
9. each absorbent device among the claim 1-8, wherein said band comprises that one stops band, it has the far lateral side at least a portion that is fixed to the proximal edges on the described outer cover and is not fixed to described outer cover.
10. each absorbent device among the claim 1-9, wherein said emollient coating is distributed on the described outer surface of described band.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US84003997A | 1997-04-24 | 1997-04-24 | |
| US08/840,039 | 1997-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1257433A true CN1257433A (en) | 2000-06-21 |
Family
ID=25281306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98805464A Pending CN1257433A (en) | 1997-04-24 | 1998-04-23 | Absobent articles having lotioned leg cuffs containing a polysiloxane emollient |
Country Status (18)
| Country | Link |
|---|---|
| EP (1) | EP0977603A1 (en) |
| JP (1) | JP2000510371A (en) |
| KR (1) | KR20010012103A (en) |
| CN (1) | CN1257433A (en) |
| AR (1) | AR015594A1 (en) |
| AU (1) | AU6743998A (en) |
| BR (1) | BR9810929A (en) |
| CA (1) | CA2285620A1 (en) |
| CO (1) | CO5040080A1 (en) |
| HU (1) | HUP0001235A2 (en) |
| ID (1) | ID24052A (en) |
| IL (1) | IL132321A0 (en) |
| NO (1) | NO995166L (en) |
| PE (1) | PE83599A1 (en) |
| TR (1) | TR199902610T2 (en) |
| TW (1) | TW366281B (en) |
| WO (1) | WO1998047546A1 (en) |
| ZA (1) | ZA983401B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109310541A (en) * | 2016-02-25 | 2019-02-05 | 阿文提特种材料公司 | Supatex fabric comprising enhancing the additive of barrier properties |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000074643A1 (en) * | 1999-06-04 | 2000-12-14 | The Procter & Gamble Company | Skin care sticks |
| US6989471B2 (en) † | 2000-02-15 | 2006-01-24 | The Procter & Gamble Company | Absorbent article with phase change material |
| JP5148790B2 (en) * | 2000-09-28 | 2013-02-20 | ユニ・チャーム株式会社 | Absorbent article and barrier agent for absorbent article |
| JP5148791B2 (en) * | 2000-09-28 | 2013-02-20 | ユニ・チャーム株式会社 | Absorbent article and barrier agent for absorbent article |
| US6756520B1 (en) | 2000-10-20 | 2004-06-29 | Kimberly-Clark Worldwide, Inc. | Hydrophilic compositions for use on absorbent articles to enhance skin barrier |
| US7771735B2 (en) | 2000-12-22 | 2010-08-10 | Kimberly-Clark Worldwide, Inc. | Absorbent articles with compositions for reducing irritation response |
| US6749860B2 (en) | 2000-12-22 | 2004-06-15 | Kimberly-Clark Worldwide, Inc. | Absorbent articles with non-aqueous compositions containing botanicals |
| EP1752580A4 (en) * | 2004-06-03 | 2010-03-24 | Daio Seishi Kk | Sanitary thin paper and process for producing the same |
| US7642395B2 (en) | 2004-12-28 | 2010-01-05 | Kimberly-Clark Worldwide, Inc. | Composition and wipe for reducing viscosity of viscoelastic bodily fluids |
| US20060140899A1 (en) * | 2004-12-28 | 2006-06-29 | Kimberly-Clark Worldwide, Inc. | Skin cleansing system comprising an anti-adherent formulation and a cationic compound |
| WO2007064264A1 (en) * | 2005-12-01 | 2007-06-07 | Sca Hygiene Products Ab | New absorbent article |
| AU2015408538B2 (en) | 2015-09-09 | 2019-02-07 | Essity Hygiene And Health Aktiebolag | A disposable pant-type absorbent article with a leg cuff |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3489148A (en) * | 1966-12-20 | 1970-01-13 | Procter & Gamble | Topsheet for disposable diapers |
| IL96292A0 (en) * | 1990-11-09 | 1991-08-16 | American Israeli Paper Mills | Disposable diapers |
| US5436007A (en) * | 1992-10-23 | 1995-07-25 | Abbott Laboratories | Diaper rash lotion |
| US5635191A (en) * | 1994-11-28 | 1997-06-03 | The Procter & Gamble Company | Diaper having a lotioned topsheet containing a polysiloxane emollient |
-
1998
- 1998-04-22 ZA ZA983401A patent/ZA983401B/en unknown
- 1998-04-23 BR BR9810929-4A patent/BR9810929A/en not_active IP Right Cessation
- 1998-04-23 WO PCT/IB1998/000618 patent/WO1998047546A1/en not_active Application Discontinuation
- 1998-04-23 JP JP10545357A patent/JP2000510371A/en active Pending
- 1998-04-23 HU HU0001235A patent/HUP0001235A2/en unknown
- 1998-04-23 IL IL13232198A patent/IL132321A0/en unknown
- 1998-04-23 AU AU67439/98A patent/AU6743998A/en not_active Abandoned
- 1998-04-23 CA CA002285620A patent/CA2285620A1/en not_active Abandoned
- 1998-04-23 AR ARP980101887A patent/AR015594A1/en unknown
- 1998-04-23 ID IDW991273A patent/ID24052A/en unknown
- 1998-04-23 EP EP98912678A patent/EP0977603A1/en not_active Withdrawn
- 1998-04-23 KR KR1019997009805A patent/KR20010012103A/en not_active Application Discontinuation
- 1998-04-23 CN CN98805464A patent/CN1257433A/en active Pending
- 1998-04-23 TR TR1999/02610T patent/TR199902610T2/en unknown
- 1998-04-24 PE PE1998000306A patent/PE83599A1/en not_active Application Discontinuation
- 1998-04-24 CO CO98022675A patent/CO5040080A1/en unknown
- 1998-09-30 TW TW087116224A patent/TW366281B/en active
-
1999
- 1999-10-22 NO NO995166A patent/NO995166L/en not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109310541A (en) * | 2016-02-25 | 2019-02-05 | 阿文提特种材料公司 | Supatex fabric comprising enhancing the additive of barrier properties |
Also Published As
| Publication number | Publication date |
|---|---|
| NO995166L (en) | 1999-12-27 |
| JP2000510371A (en) | 2000-08-15 |
| TW366281B (en) | 1999-08-11 |
| EP0977603A1 (en) | 2000-02-09 |
| CO5040080A1 (en) | 2001-05-29 |
| WO1998047546A1 (en) | 1998-10-29 |
| PE83599A1 (en) | 1999-10-15 |
| BR9810929A (en) | 2000-09-26 |
| IL132321A0 (en) | 2001-03-19 |
| KR20010012103A (en) | 2001-02-15 |
| ZA983401B (en) | 1998-10-27 |
| TR199902610T2 (en) | 2000-02-21 |
| ID24052A (en) | 2000-07-06 |
| HUP0001235A2 (en) | 2000-08-28 |
| CA2285620A1 (en) | 1998-10-29 |
| AR015594A1 (en) | 2001-05-16 |
| NO995166D0 (en) | 1999-10-22 |
| AU6743998A (en) | 1998-11-13 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |