CN101522149A - Absorbing article - Google Patents
Absorbing article Download PDFInfo
- Publication number
- CN101522149A CN101522149A CNA2007800362706A CN200780036270A CN101522149A CN 101522149 A CN101522149 A CN 101522149A CN A2007800362706 A CNA2007800362706 A CN A2007800362706A CN 200780036270 A CN200780036270 A CN 200780036270A CN 101522149 A CN101522149 A CN 101522149A
- Authority
- CN
- China
- Prior art keywords
- indicator
- weight
- diaper
- composition
- hot
- 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
Images
Landscapes
- Absorbent Articles And Supports Therefor (AREA)
Abstract
A wetness indicator composition contains (a) 0.1 % to 5% by weight of a pH indicator that is substantially colorless at pH 7 and develops a color in an acidic environment, (b) 20% to 90% by weight of a surfactant, (c) 5% to 55% by weight of a polyalkylene glycol, (d) 0% to 70% by weight of a polymer having a carboxyl group, and (e) 0.1% to 5% by weight of an acidic substance other than components (b) and (d). In an absorbent article including a topsheet 2, a backsheet 3, and an absorbent member 4 interposed between the topsheet 2 and the backsheet 3 and having applied thereon a hot-melt composition that changes color on contact with a body fluid, the wetness indicator composition is used as the hot melt composition.
Description
Technical field
The present invention relates to use the absorbent commodity of wetness indicator composition.Wetness indicator composition among the present invention has thermoplasticity and flexibility, and the initial stage tone is colourless, can response develop the color well during by water-wet, has notice by the function of water-wet.Utilize these characteristics, can be effective to various uses.
Background technology
In recent years, use humidity indicator as the structure that is used to notify by this part thing of water-wet.As one of this purposes, known following technology: with the combination of disposable non-woven cloth absorbing products, directly do not see and can know that the baby has spread urine yet, thus the technology (patent documentation 1 and 2) of the replacing time of notice absorbing products.
Patent documentation 1: Japanese Unexamined Patent Application Publication 2004-512425 communique
Patent documentation 2: TOHKEMY 2005-261466 communique
In patent documentation 1 disclosed technology, be this structure of humidity indicator generation variable color that has color at first, when diaper surface has pattern, exist the shortcoming of hidden or stained this pattern.
In patent documentation 2 disclosed technology, owing to be that colourless humidity indicator is by contacting this structure that develops the color with body fluid, although, aspect the rapid property (response) that is developed the color by water-wet, also have room for improvement at this humidity indicator so hidden or stained such rough sledding of diaper surface pattern is difficult for taking place.
In addition, relevant use in the past the disposable non-woven cloth absorbing products of humidity indicator, also can colour developing and short-life example be reported naturally owing to humidity even have by the urine moistening.And then as using, be difficult to be coated with such report thereby the viscosity when being coated with in addition is very low.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of absorbent commodity that uses wetness indicator composition, described wetness indicator composition has thermoplasticity and flexibility, the initial stage tone is colourless, can be because of being developed the color well and bright-colouredly by the water-wet response, and can be because of not developed the color by the moisture absorption beyond the water-wet etc.
The present invention relates to a kind of absorbent commodity, it possesses face sheet, back-sheet and the absorber between above-mentioned two sheet materials, and is coated with meeting because of contact the hot-melt composition of variable color with body fluid, and wherein, described hot-melt composition contains:
PH value indicator (a) 0.1～5 weight %, the pH value of this pH value indicator is 7, and this pH value indicator is essentially colourless and develops the color at acidic region;
Surfactant (b) 20～90 weight %;
Poly alkylene glycol (c) 5～55 weight %;
Polymer (d) 0～70 weight % with carboxyl; And
Acidic materials (e) 0.1～5 weight % except that (b) and (d).
In addition, the present invention relates to a kind of packaging structure of absorbent commodity, it is the packaging material that above-mentioned absorbent commodity is lower than 8 weight % with Ti content to be packed form.
Description of drawings
Fig. 1 is the vertical view that expression is launched into the flat type disposable diaper of the 1st embodiment of absorbent commodity of the present invention the skin opposite face side of plane state.
Fig. 2 is the sectional view that schematically illustrates the I-I line cross section of Fig. 1.
Fig. 3 is Fig. 2 corresponding diagram of the flat type disposable diaper of the 2nd embodiment of the present invention.
Fig. 4 is Fig. 2 corresponding diagram of the flat type disposable diaper of the 3rd embodiment of the present invention.
Fig. 5 is the vertical view of coated pattern (the formation pattern of indicator) that expression can be applicable to the hot-melt composition of absorbent commodity of the present invention.
Fig. 6 (a) is the axonometric chart of an embodiment of the packaging structure of absorbent commodity of the present invention.
Fig. 6 (b) is the axonometric chart of the content (aggregation of diaper) of the packaging structure shown in Fig. 6 (a).
The specific embodiment
[pH value is 7 and is essentially colourless pH value indicator (a) in the acidic region colour developing]
In the wetness indicator composition of the present invention, pH value is 7 and to be essentially colourless pH value indicator (a) in the acidic region colour developing (below be also referred to as pH value indicator (a)) be the reagent that makes the wetness indicator composition colour developing.
As pH value indicator (a),, preferably be commonly referred to as the reagent with lactone structure of colour coupler from light by the tone before the water-wet and by the bright-coloured angle of the colour developing after the water-wet.
The use level of the pH value indicator (a) in the wetness indicator composition of the present invention is preferably 0.1～5 weight % with respect to the weight of wetness indicator composition, is preferably the scope of 0.5～2.5 weight % especially.When the use level of pH value indicator (a) was lower than 0.1 weight %, the bright-coloured degree variation that is developed the color after the water-wet on the other hand, when the use level of pH value indicator (a) surpasses 5 weight %, was deepened by the tone before the water-wet, thereby not preferred.
[surfactant (b)]
The surfactant that cooperates in the wetness indicator composition of the present invention (b) is the dispersion that is used for helping each composition of wetness indicator composition, makes the mix homogeneously of hydroaropic substance and lyophobic dust.
As surfactant (b), can list anionic surfactant, nonionic surfactant, cationic surface active agent, amphoteric surfactant etc.As anionic surfactant, alkyl sulfate salt, polyoxyethylene alkyl ether sulfuric acid, alkylbenzenesulfonate, soap, naphthalene sulfonic acid-formaldehyde condensation product etc. are arranged.As nonionic surfactant, polyoxyethylene alkyl ether, sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters, polyoxyethylene sorbitol fatty acid ester, fatty acid glyceride, polyoxyethylene fatty acid ester, polyoxyethylene hardened castor oil, polyoxyethylene alkyl amine, alkyl chain triacontanol amide etc. are arranged.As cationic surface active agent, alkylamine salt, quaternary ammonium salt etc. are arranged.As amphoteric surfactant, can list alkyl betaine, alkyl amine oxide etc.
From with the relation of the dispersion stabilization of other composition and to by the tone before the water-wet, by the angle of the influence of the color rendering properties after the water-wet, surfactant (b) is preferably nonionic surfactant, is preferably polyoxyalkylene alkyl or polyoxyethylene deriv especially.
The use level of the surfactant in the wetness indicator composition of the present invention (b) is preferably 20～90 weight % with respect to the weight of wetness indicator composition, is preferably the scope of 45～65 weight % especially.When the use level of surfactant (b) is lower than 20 weight %, bad with the dispersion stabilization decline or the initial stage tone of other composition, on the other hand, when the use level of surfactant (b) surpasses 90 weight %, the coating processability that can take place to be caused by viscosity degradation descends or moisture resistance descends, thereby not preferred.
[poly alkylene glycol (c)]
Poly alkylene glycol in the wetness indicator composition of the present invention (c) is used to improve the moisture resistance of wetness indicator composition, or adjusts the response of colour developing.
As poly alkylene glycol (c), can list Polyethylene Glycol, polypropylene glycol etc.
The use level of the poly alkylene glycol in the wetness indicator composition of the present invention (c) is preferably 5～55 weight % with respect to the weight of wetness indicator composition, is preferably the scope of 10～20 weight % especially.When the use level of poly alkylene glycol (c) was lower than 5 weight %, the moisture resistance of wetness indicator composition descended, and on the other hand, when the use level of poly alkylene glycol (c) surpassed 55 weight %, moisture resistance also can descend, thereby not preferred.
[polymer (d)] with carboxyl
The polymer with carboxyl (d) in the wetness indicator composition of the present invention is used to improve the moisture resistance of wetness indicator composition, or adjusts viscosity.Particularly olefin(e)-acrylic copolymer is being preferred aspect the compatibility of other raw material.
As the polymer with carboxyl (d), can list EAA (ethylene-acrylic acid copolymer), EMA (ethylene-methyl acrylate copolymer), EMMA (ethylene-methyl methacrylate methyl terpolymer).
The use level of the polymer with carboxyl (d) in the wetness indicator composition of the present invention is preferably 0～70 weight % with respect to the weight of wetness indicator composition, is preferably the scope of 20～60 weight % especially.When the use level of polymer (d) surpasses 70 weight %, deepened by the tone before the water-wet, thereby not preferred.
[acidic materials (e) except that (b) and (d)]
The acidic materials (e) except that (b) and (d) that cooperate in the wetness indicator composition of the present invention (below be also referred to as acidic materials (e)) are used as developer, and it is used for the colour developing of pH value indicator (a) by water-wet time that wetness indicator composition cooperates.
As acidic materials (e), can list citric acid, succinic acid, gluconic acid, lactic acid, fumaric acid, malic acid, oxalic acid, acetic acid, formic acid, uric acid, hydrochloric acid, sulphuric acid, phosphoric acid, nitric acid etc.
From wetness indicator composition by the tone equal angles before the water-wet, acidic materials (e) are solid acid when preferably being engaged in 25 ℃.
In addition, show notice by the humidity indicator functional point of view of water-wet from making it, acidic materials (e) are solid in the time of 23 ℃ preferably.
The use level of the acidic materials in the wetness indicator composition of the present invention (e) is preferably 0.1～5 weight % with respect to the weight of wetness indicator composition, is preferably 0.5～1.5 weight % especially.When the use level of acidic materials (e) is lower than 0.1 weight %, shallow by the colour developing after the water-wet, too dark by the tone before the water-wet when the use level of acidic materials (e) surpasses 5 weight % on the other hand, thereby not preferred.
The polymer (d) that constitutes surfactant (b), the poly alkylene glycol (c) of wetness indicator composition of the present invention and have a carboxyl is from having the coating adaptability under the low temperature and preventing that the aspect of hot deterioration from considering all preferably have the softening point (R﹠amp below 130 ℃; The B formula) material.
R﹠amp; The assay method of B formula softening point is by the softening point test method regulation based on the ring and ball method of " JIS " JIS (JAPAN IndustrialStandard) K 6863-1944.
Below, for the absorbent commodity of the present invention of the wetness indicator composition of having used the invention described above, preferred embodiment describe with reference to accompanying drawing based on it.
Fig. 1 has represented the disposable diaper of the deploying type of the 1st embodiment of the present invention.Fig. 2 is the I-I line sectional view among Fig. 1.
The diaper 1 of the 1st embodiment possesses the back-sheet 3 of face sheet 2, poisture-penetrability and liquid impermeability of liquid permeability and the absorber 4 of the liquid retainability between above-mentioned two sheet materials 2,3.As shown in Figure 1, diaper 1 forms elongate shape in fact, has the A of crotch portion at the length direction central part, and has B of veutro portion and the drosal part C that extends before and after length direction respectively from the A of crotch portion.The A of crotch portion is the position that is positioned at the crotch portion of wearer when diaper is dressed, and the B of veutro portion is the position that is positioned at the veutro of wearer, and drosal part C is the position that is positioned at the dorsal part of wearer.The A of crotch portion is the middle section that the diaper length direction is carried out 3 timesharing such as grade.
Absorber 4 forms by the absorbent core 41 that the cover sheets 42 with the liquid permeability covers liquid retainability.Absorbent core 41 contains absorbent materials such as paper pulp fiber or absorbable polymer, is essentially elongate shape, and the length direction central part has the profile of the hourglass shape that tightens up when overlooking.Absorbent core 41 is removed the both ends of the surface of its length direction, and integral body is capped sheet material 42 and covers.Cover sheets 42 keeps its conformality by covering absorbent core 41, can prevent the coming off of constituent of absorbent core 41 such as absorbable polymer in addition.Absorber 4 is configured in the central part of the diaper width between face sheet 2 and the back-sheet 3 according to its length mode consistent with the diaper length direction.
In addition, in this manual, length direction is the direction parallel with the long limit of this member, and width is and the vertical direction of the length direction of this member.
In addition, in this description, the skin opposite face is the face towards the skin side of wearer when dressing of the diaper in this member, and non-skin opposite face is the face (clothes opposite face) towards garment side when dressing of the diaper in this member.In the diaper 1 of the 1st embodiment, overleaf between sheet material 3 and the absorber 4 (bottom cover sheets 42b) coating by with urine, just, body fluid such as blood contacts and the hot-melt composition of variable color, and indicator 5 is set.Indicator 5 (hot-melt composition) is colourless or white (colourless in fact) before use, has the colour change function that becomes other color when contacting with body fluid.Indicator 5 is drained the body fluid of wearer (for example infant) the function of the indicator means of notifying user (for example mother) except playing, and also plays the function of the engagement means that will engage between back-sheet 3 and the absorber 4.When indicator 5 is set, coated heat melt composition on the skin opposite face of sheet material 3 overleaf, also can be on the non-skin opposite face of absorber 4 (bottom cover sheets 42b) the coated heat melt composition.
Indicator 5 (hot-melt composition) is overleaf on the diaper width central part of the A of crotch portion between sheet material 3 and the absorber 4 (bottom cover sheets 42b), is provided with continuously on the whole length of the diaper length direction of the A of crotch portion.Wearer or the posture or when facing upward the figure gesture of bending when preferably being arranged on diaper and dressing, the indicator 5 that drosal part or veutro portion are provided with can both the position of visuognosis on.Indicator 5 for example under the situation of hippen, has elongated rectangular shape, and the length of its length direction is preferably 30～200mm, 50～150mm more preferably, and the length of width is preferably 2～300mm, more preferably 5～20mm.
Beeline L1 between the length direction one end 1b of the length direction one end 5b of the close veutro B of portion of indicator 5 and the B of the veutro portion side of diaper 1 is preferably 20～40% with respect to the total length of the length direction of diaper 1, more preferably 25～30% scope.
In addition, the beeline L2 between the length direction other end 1c of the length direction other end 5c of the close drosal part C of indicator 5 and diaper 1 drosal part C side is preferably 20～40% with respect to the total length of the length direction of diaper 1, more preferably 20～30% scope.
Hot-melt composition as constituting indicator 5 uses above-mentioned wetness indicator composition of the present invention.That is, the hot-melt composition that constitutes indicator 5 contains: pH value be 7 and be essentially colourless pH value indicator (a) 0.1～5 weight %, surfactant (b) 20～90 weight %, poly alkylene glycol (c) 5～55 weight %, have polymer (d) 0～70 weight % of carboxyl in the acidic region colour developing, acidic materials (e) 0.1～5 weight % except that (b) and (d).The total amount of the use level of each composition (a)～(e) is 100 weight %.Each composition (a)～(e) in the hot-melt composition as mentioned above.
Indicator 5 (hot-melt composition) with colour change function with before body fluid contacts be colourless or white (colourless in fact), be rapid variable color in case contact with body fluid.Color during variable color can freely select from multiple color by suitably selecting pH value indicator (a).For example, in the time of making it become blueness, pH value indicator (a) can use 3, two (to the dimethylaminophenyl)-6-dimethylamino Phthalides of 3-.When making it become redness, pH value indicator (a) can use 3, two (diethylamino) fluorane-γ of 6--(4 '-nitro)-anilino-lactams.When making it become green, pH value indicator (a) can be used 2-N, N-dibenzyl amino-6-diethylamino fluorane.
Indicator 5 (hot-melt composition) preferably to the good person of response of body fluid, particularly, preferably contacts variable color person in back 1 minute with body fluid.This good body fluid response can obtain as hot-melt composition by the wetness indicator composition of using the invention described above.
Indicator 5 (hot-melt composition) is by contacting with body fluid after the moistening variable color, in case the dry color that promptly is returned to before the variable color.And then, after the color of indicator 5 before drying is returned to variable color, if moistening then variable color again can be carried out " moistening is variable color then ", " drying is secondary color then " repeatedly.This color reversibility is the unexistent characteristic of absorbent commodity that has this kind indicator function in the past, in the absorbent commodity that has the indicator function in the past, in case indicator moistening variable color (colour developing) is even then drying can not be returned to original color.Therefore, there is following problem in the absorbent commodity that has the indicator function in the past: for example before the use of diaper, indicator is because of variable colors such as moisture contained in the air, so also do not have to abandon although use.In contrast, the diaper 1 of present embodiment is because indicator 5 has the color reversibility, so even if indicator 5 also can make it be returned to original color (colourless in fact) because of variable colors such as moisture contained in the air after the drying before use, therefore above-mentioned problem can not take place.Above-mentioned color reversibility can obtain as hot-melt composition by the wetness indicator composition of using the invention described above.
Preferably heat the compositions that also can keep colour change function in 24 hours, the i.e. compositions of excellent heat resistance continuously even constitute the hot-melt composition of indicator 5 at 130 ℃.Here, " can keep colour change function " be meant under these conditions when the hot-melt composition after the heating contacts with body fluid, can with heat before variable color similarly.
This good thermostability can obtain as hot-melt composition by the wetness indicator composition of using the invention described above.
Even the hot-melt composition that constitutes indicator 5 is preferably placed the compositions that also can keep colour change function in 24 hours under 40 ℃ of room temperatures, relative humidity are the environment of 80%RH, i.e. the good compositions of moisture-proof.Here, " can keep colour change function " be meant when the hot-melt composition of transferring postpone at above-mentioned environment contacts with body fluid, can with under above-mentioned environment, place before variable color similarly.
This good moisture-proof can obtain as hot-melt composition by the wetness indicator composition of using the invention described above.
From improving the viewpoint of low temperature coated coating, the softening point that constitutes the hot-melt composition of indicator 5 is preferably 75～100 ℃, more preferably 75～90 ℃.
The hot-melt composition that constitutes indicator 5 preferably, the viscosity of this hot-melt composition when temperature is 80～130 ℃ preferably can be in the scope adjustment of 20～12000mPas, more preferably can adjust in the scope at 2000～8000mPas.The range of viscosities of most of hot-melt compositions when temperature is 80～130 ℃ that uses in this diaper in the past is roughly the scope of 1000～2000mPas, the adjustable range of viscosity is narrow, so coating process is restricted, have only simple coated patterns such as straight line or simple figure to satisfy, hot-melt composition takes place during coating easily disperse towards periphery or be coated with unfavorable conditions such as bad.In contrast, the hot-melt composition that viscosity when using 80～130 ℃ can be adjusted in the scope of 20～12000mPas, the range of choice of coating process is wide, can utilize the various coating processes such as the unavailable ink-jetting style of coating of hot-melt composition in the past, thereby can form complicated coated pattern, and the hot-melt composition can prevent to be coated with the time disperse, be coated with bad.
(20～12000mPas) can obtain as hot-melt composition by the wetness indicator composition of using the invention described above above-mentioned range of viscosities.
From avoiding the viewpoint of crawling, the weight per unit area of indicator 5 (coating weight of hot-melt composition) is preferably 10～50g/m
2, 15～25g/m more preferably
2
Below the diaper 1 of the 1st embodiment is further specified.
Dispose the outer layer sheet 6 that constitutes by non-woven fabrics on the non-skin opposite face side of sheet material 3 overleaf.Engage by engagement means such as bonding agents between back-sheet 3 and the outer layer sheet 6.The shape of outer layer sheet 6 is identical with back-sheet 3.
The sheet material 70 that three-dimensional rivel forms usefulness is fixed with one or more (in the 1st embodiment being 3) elastic component 7 with elongation state on the one side.Sheet material 70, is engaging with face sheet 2 along the diaper length direction more on the position by the diaper width outside than the limit, the left and right sides of absorber 4, and what its junction surface 71 had formed three-dimensional rivel holds up base end part 71.Sheet material 70 stretches out to the outside of diaper width from holding up base end part 71, and its extension engages with back-sheet 3.In addition, sheet material 70 engages with face sheet 2 respectively in the front and back end of diaper length direction portion.
On the both sides of the diaper length direction of the A of crotch portion, formed shank flap 80 respectively along the diaper length direction.Shank flap 80 is stretched out to the diaper width outside and is formed by back-sheet 4 and outer layer sheet 6 base end part 71 (junction surface 71) of holding up from three-dimensional rivel.Shank flap 80 possesses the leg elastic member 8 that is fixed in one or more (in the 1st embodiment being 2) shank rivel formation usefulness of back-sheet 3 with elongation state near the free end of diaper width.Leg elastic member 8 is configured in back-sheet 3 and three-dimensional rivel forms between the sheet material 70 of usefulness, does not contact with face sheet 2.Leg elastic member 8 is configured on the whole length of length direction of the A of crotch portion.
Limit, the left and right sides portion of the drosal part C of diaper 1 is provided with a pair of restraint zone 9,9, and the non-skin opposite face (surface of outer layer sheet 6) of the B of veutro portion is provided with the fixedly bonding land 10 of restraint zone 9.The formation of restraint zone 9 comprises adhesive band base and the protruding material of fixed mechanical fastener on the one side of this adhesive band base.As protruding material, can not have and especially restrictedly use protruding material well-known in the art.The formation of bonding land 10 comprises the recessed material of the mechanical fastener of fitting on the substrate sheet that is made of non-woven fabrics or resin film etc. and this substrate sheet.As recessed material, can not have and restrictedly use the recessed material that to fix this protruding material by the above-mentioned protruding material of extruding formation restraint zone 9 especially.
As face sheet 2, can use the various materials that in the past used in this kind diaper, so long as the material that can make urine wait liquid to see through then without limits, can list for example by weaving cotton cloth or non-woven fabrics, porous sheet etc. that synthetic fibers or natural fiber constitute.An example as face sheet 2, can list following sheet material: will use polypropylene or polyester as core composition, polyethylene as core sheath structure type (the comprising parallel type) composite fibre of sheath composition by combing after the fiber networking, utilize the hot blast method to make non-woven fabrics (also can implement perforate on the regulation position afterwards handles) and the sheet material that obtains.In addition, from the viewpoint (dry sensation) of the height of liquid permeability, the perforate sheet material that can also preferably use polyolefin such as low density polyethylene (LDPE) to constitute.The weight per unit area of face sheet 2 is preferably 20～50g/m
2
As back-sheet 3, can use the various materials that in the past used in this kind diaper, preferably use the material of liquid impermeability or water proofing property and poisture-penetrability.As back-sheet 3, can list the non-woven fabrics of porous resin thin film (polyethylene, polypropylene, polyethylene terephthalate etc.), liquid impermeability or water proofing property of liquid impermeability for example or water proofing property or duplexer of this porous resin thin film and this non-woven fabrics etc.As the non-woven fabrics of liquid impermeability or water proofing property, can list for example hot sticky type non-woven fabrics, spun bond nonwoven fabric, spunbond-as to melt and spray-spunbond (SMS) non-woven fabrics, spunbond-as to melt and spray-as to melt and spray-spun-bonded non-woven fabrics (SMMS) etc.The weight per unit area of back-sheet 3 is preferably 10～20g/m
2
In addition, as the outer layer sheet 6 of the non-skin opposite face side configuration of sheet material 3 overleaf, except the non-woven fabrics of the liquid impermeability that also is suitable as back-sheet 3 or water proofing property, the also preferred porous resin thin film etc. that uses.The weight per unit area of outer layer sheet 6 is preferably 15～35g/m
2
As the absorbent core 41 that constitutes absorber 4, can use the various materials that in the past used in this kind diaper, as long as have the liquid-absorbent of urine etc., then its kind is not particularly limited, can lists and for example absorbent materials such as absorbable polymer, comminution pulp be sandwiched absorbent core that obtains in absorption paper or the non-woven fabrics etc.Absorbable polymer can also intersperse among back-sheet 3 sides, or be inserted into thickness direction central authorities after forming stratiform except to be mixed in the state use in the paper pulp.Perhaps, also can utilize means such as polymer sheetization to be configured partly by known approaches.In addition, also can in absorber 4, cooperate synthetic fibers or carry out the bulk paper pulp fiber of crosslinking Treatment etc., the nerve of the compression unit when improving Liquid Absorption.In addition, also can not use absorbable polymer.As above-mentioned absorbable polymer, can use the various polymer that in the past used in this kind diaper, for example can use sodium polyacrylate (acrylic acid-ethylene alcohol) copolymer, the crosslinked body of sodium polyacrylate (starch-acrylic acid) graft polymers, (isobutene .-maleic anhydride) copolymer and saponified, polyacrylic acid potassium thereof and polyacrylic acid caesium etc., can use a kind in them separately, also can be mixed with two or more.
As the cover sheets 42 (top cover sheets 42a, bottom cover sheets 42b) that constitutes absorber 4, platform paper) can use and be called as paper gasket in this kind diaper (the Japanese original text is: the various materials that in the past used such as, the material that preferably has the liquid permeability can use for example fibre sheet material, perforated films.From the good viewpoint that sees through of liquid, cover sheets 42 preferably is made of hydrophilic fibre sheet material.As hydrophilic fibre sheet material, can use paper or various non-woven fabrics such as thin paper.As non-woven fabrics, can list the non-woven fabrics that constitutes by hydrophilic fibres such as cotton or artificial silks, the fiber of synthetic resin is implemented hydrophilicity-imparting treatment and the non-woven fabrics that forms.Particularly, can list the spun bond nonwoven fabric handled with surfactant, jet net-spraying method non-woven fabrics, air lay method non-woven fabrics, hot blast method non-woven fabrics etc.The weight per unit area of cover sheets 42 is preferably 12～20g/m
2
As elastic component 7,8, the various materials that in the past used in this kind diaper can be used, for example wire rubber or flat pattern rubber, the polyurethane foam plastics band etc. of formations such as olefines rubber, polyurethanes rubber, phenylethylene rubber, polyurethane can be used.
The diaper 1 of the 1st embodiment can similarly use with common deploying type diaper.This diaper 1 is owing to possess the indicator 5 that is made of the hot-melt composition that contains above-mentioned composition (a)～(e), thus can be rapidly with urine, just, the drainage of body fluid such as blood is notified to the diaper user.In addition, indicator 5 since be essentially colourless (colourless or white) before body fluid contacts, even if so with indicator 5 position overlapped on implement printed patterns, it is hidden or stained not worry that also printed patterns can be instructed to agent 5, can consider indicator and freely designs the printed patterns of diaper.
In addition, indicator 5 has the color reversibility, can carry out " moistening is variable color then ", " drying is secondary color then " repeatedly, so when indicator before the use of diaper 5 in because of air during contained variable colors such as moisture, can be dried and be returned to original color, thereby can prevent to abandon this waste of untapped diaper, can control manufacturing cost.In addition, indicator 5 is because thermostability, moisture-proof, weatherability (light resistance) are good, so the colour change function of above-mentioned indicator 5 can be kept steadily in the long term.
In addition, the hot-melt composition of formation indicator 5 as mentioned above, compare with hot-melt composition in the past, 80～130 ℃ viscosity adjusting range is wider, is 20～12000mPas, so can utilize various coating processes, selection by coating process can form various coated patterns such as straight line or curve, pattern, literal, and then dispersing or being coated with badly of the hot-melt composition in the time of can suppressing to be coated with improves (minimizing of goods claim) so can realize the quality of diaper.The range of choice of the coated pattern of hot-melt composition wide with colour developing after wide the complementing each other of the color range of choice, can produce in order to make changing babies' napkin become happy and diaper design.
Below, other embodiment of absorbent commodity of the present invention is described.Relevant following embodiment, the component part that the diaper 1 of main explanation and above-mentioned the 1st embodiment is different, same component part is with also omission explanation of identical symbolic representation.The component part of Te Bieshuominging can suitably not used the explanation that the diaper 1 to the 1st embodiment carries out.
Fig. 3 is the figure of expression the 2nd embodiment of the present invention.In the 2nd embodiment, sheet material 9 in the middle of accompanying between sheet material 3 and the absorber 4 overleaf is coated with above-mentioned hot-melt composition, thereby is provided with indicator 5 between this back-sheet 3 and this centre sheet material 9.Particularly, the indicator 5 (hot-melt composition) of the 2nd embodiment is overleaf on the diaper width central part of the A of crotch portion between sheet material 3 and the middle sheet material 9, is provided with continuously on the whole length of the diaper length direction of the A of crotch portion.When the 2nd embodiment indicator 5 is set, coated heat melt composition on the skin opposite face of sheet material 3 overleaf, also can be on the non-skin opposite face of middle sheet material 9 the coated heat melt composition.
The 2nd embodiment with aforesaid formation also can play the effect same with the 1st embodiment.
Fig. 4 is the figure of expression the 3rd embodiment of the present invention.In the 3rd embodiment, between face sheet 2 and absorber 4 (top cover sheets 42a), be coated with above-mentioned hot-melt composition, thereby be provided with indicator 5.Particularly, the indicator 5 (hot-melt composition) of the 3rd embodiment is provided with on the whole length of the diaper length direction of the A of crotch portion on the diaper width central part of the A of crotch portion between face sheet 2 and the absorber 4 continuously.When the 3rd embodiment indicator 5 is set, can be on the non-skin opposite face of face sheet 2 the coated heat melt composition, also can be on the skin opposite face of absorber 4 (top cover sheets 42a) the coated heat melt composition.
According to the 3rd embodiment with aforesaid formation, also can play the effect same with the 1st embodiment, and then, because indicator 5 is than absorber 4 more on the position near the crotch portion of wearer, even so under the less situation of the body fluid excretion of diaper, indicator 5 also can variable color, even if a small amount of, also can know that drainage has been arranged from the diaper outside.
Among the present invention, as long as just hot-melt composition be coated on urine,, the position passed through of body fluid such as blood, the coating position of hot-melt composition is that the position that is coated with of indicator 5 is not limited to above-mentioned embodiment.For example, coated heat melt composition (the 4th embodiment) between sheet material 3 and the outer layer sheet 6 overleaf.Particularly, for example, overleaf on the diaper width central part of the A of crotch portion between sheet material 3 and the outer layer sheet 6, coated heat melt composition continuously on whole whole length of the diaper length direction of the A of crotch portion, thus indicator 5 is set.In the 4th embodiment, coated heat melt composition on the non-skin opposite face of sheet material 3 overleaf, also can be on the skin opposite face of outer layer sheet 6 the coated heat melt composition.
The 4th embodiment is compared with the 1st～the 3rd above-mentioned embodiment, because indicator 5 is configured in when dressing near on the position outside the diaper, so can play user is confirmed indicator 5 variable colors easily from the diaper outside effect.
In addition, as each above-mentioned embodiment, when diaper possesses the three-dimensional rivel that can hold up above the width side portion of absorber 4, can form coated heat melt composition on the elastic component 7 of usefulness at this solid rivel.At this moment, the elastic component 7 of three-dimensional rivel formation usefulness itself works as the notice excretory indicator of body fluid.
In addition, hot-melt composition can be coated on a plurality of positions of diaper, and the coating position of the hot-melt composition in each above-mentioned embodiment (indicator 5 be coated with position) can appropriate combination.For example, in the 1st～the 4th above-mentioned embodiment, and then can form the surface coated hot-melt composition of the elastic component 7 of usefulness at three-dimensional rivel.
In addition, the coated pattern of hot-melt composition is not limited to 1 such elongated rectangular shape of above-mentioned embodiment, can use straight line or curve, pattern, literal to wait freely to design.The example of the coated pattern that can be applicable to hot-melt composition of the present invention (indicator 5 be coated with pattern) has been shown among Fig. 5.In addition, mode shown in Figure 5 all is modes of coated heat melt composition on the skin opposite face of sheet material 3 overleaf, in order to be easy to explanation, has omitted the diagram of face sheet 2, absorber 4 and three-dimensional rivel among Fig. 5.Other parts that the coated pattern of hot-melt composition shown in Figure 5 also goes for diaper are the situation of coated heat melt composition on face sheet 2, absorber 4, outer layer sheet 6 for example.
In the embodiment shown in Fig. 5 (a), have on the diaper length direction and to extend and along diaper width a plurality of (being 5 among Fig. 5 (a)) hot-melt composition coating part (indicator) 5a～5e of configuration side by side.Above-mentioned a plurality of indicator has the instructions of the Central Committee agent 5a that is positioned at diaper width central authorities and clips this instructions of the Central Committee agent 5a and is disposed at locational a plurality of indicator 5b of left-right symmetric and 5c.Color when other indicator 5b beyond instructions of the Central Committee agent 5a and this instructions of the Central Committee agent 5a and the colour developing of 5c is different, and other indicator 5b and 5c are according to the difference from the distance of instructions of the Central Committee agent 5a, the color difference during colour developing.Promptly, instructions of the Central Committee agent 5a, with apart from locational a pair of indicator 5b, the 5b of this instructions of the Central Committee agent 5a predetermined distance and be positioned at than this indicator 5b more by a pair of indicator 5c, the 5c in the diaper width outside their color differences when colour developing.Constitute by this, can hold the distribution situation of excretory body fluid in the diaper easily, can examine in advance and know the seepage that takes place from the diaper end.
In addition, in the embodiment shown in Fig. 5 (b), extend and along the diaper length direction side by side this point of a plurality of (being 5 among Fig. 5 (b)) indicator 5a～5e of configuration except having on the diaper width, similarly constitute with the embodiment shown in Fig. 5 (a), can play and the same effect of embodiment shown in Fig. 5 (a).
Embodiment shown in Fig. 5 (c) and Fig. 5 (d) is an example of making pattern with hot-melt composition (indicator 5), embodiment shown in Fig. 5 (e) is an example of making literal with hot-melt composition, and the embodiment shown in Fig. 5 (f) and Fig. 5 (g) is an example of making the combination of pattern and literal with hot-melt composition.
Below to the packaging structure of absorbent commodity of the present invention, preferred embodiment describe based on it with reference to accompanying drawing.
Fig. 6 represents as the packaging structure of the disposable diaper of an embodiment of the invention (packing box).Fig. 6 (a) is the axonometric chart of the packaging structure of present embodiment, and Fig. 6 (b) is the axonometric chart of the content (aggregation of diaper) of the packaging structure shown in Fig. 6 (a).
The packaging structure 20 of present embodiment is to obtain with the diaper 1 that packaging material 21 are packed the 1st above-mentioned embodiment, and a plurality of diapers 1 that possess indicator 5 merge the inside that is accommodated in packaging structure 20 with folding state set.Packaging material 21 by with this kind packaging structure in the packaging material identical materials for example polyethylene etc. form.Packaging material 21 are provided with sewing machine pinprick 21a, make packaging structure 20 break a seal easily.Above formation is identical with the packaging structure of diaper in the past.
In the packaging structure of the diaper that has the indicator function in the past, in a single day indicator partly waits the moisture variable color of infiltrating because of sewing machine pinprick or poor sealing from packaging material, then can not be returned to original color, so there is the problem of having to abandon goods.In contrast, the packaging structure 20 of present embodiment as mentioned above, even if the 5 moistening variable colors of the indicator of the diaper of taking in 1, if dry then can be returned to color before the variable color, so the problems referred to above can not take place.
In addition, in the packaging structure of the diaper that has the indicator function in the past, the weatherability of indicator (light resistance) is poor, if be exposed in extraneous air or the extraneous light, then indicator As time goes on and variable color, so be titanium more than 7～8 weight % in order to prevent from that it from taking place, must make to contain in the packaging material weight with respect to these packaging material, therefore, the problem that exists manufacturing cost to increase.In contrast, the packaging structure 20 of present embodiment as mentioned above, because the indicator 5 of the diaper 1 taken in has good weatherability (light resistance), can reduce than product in the past so become the use amount of the titanium of the essential factor that cost increases, can make at an easy rate.Ti content in the packaging material 21 of present embodiment is preferably and is lower than 8 weight %, more preferably 3～5 weight %.Here said titanium is titanium oxide (containing in masterbatch usually).In addition, as packaging material 21, can use with this kind packaging structure in the identical packaging material of packaging material that use.
More than, describe the present invention based on the preferred embodiment of the present invention, but the present invention is not limited to above-mentioned embodiment.
For example, the present invention's absorbent commodity applicatory is not limited to the deploying type diaper, can also list so-called shorts type diaper, disposable pad, sanitary napkin, sanitary towel's type incontinence pad, medicated underpants cover, have the underwear of urine absorption function etc.
Embodiment
Below, the present invention will be described in more detail by embodiment.But scope of the present invention is not subjected to the restriction of these embodiment.
(manufacture method of wetness indicator composition)
Surfactant shown in table 1 and the table 2 (b) and poly alkylene glycol (c) are joined in the heat resistant glass beaker that possesses agitator, and the heating content also makes it to be no more than 130 ℃.Stir after the fusion.Slowly add polymer (d) then with carboxyl.Add pH value indicator (a) and acidic materials (e) at last, make wetness indicator composition.
The details of the pH value indicator (a) shown in table 1 and the table 2, surfactant (b), poly alkylene glycol (c), the polymer (d) with carboxyl, acidic materials (e) is as described below.
[pH value is 7 and is essentially colourless pH value indicator (a) in the acidic region colour developing]
(a)-and 1:3, two (diethylamino) fluorane-γ of 6--(4 '-nitro)-anilino-lactams (becoming redness) at acidic region
(a)-and 2:2-N, N-dibenzyl amino-6-diethylamino fluorane (becoming green) at acidic region
(a)-and 3:3, two (to the dimethylaminophenyl)-6-dimethylamino Phthalides (becoming blueness) of 3-at acidic region
[surfactant (b)]
(b)-1: polyoxyethylene alkylidene alkyl ether (23 ℃ time be liquid)
(b)-2: polyoxyethylene polyoxy propylene glycol (23 ℃ time be liquid)
(b)-3: polyoxyethylene lauryl ether (softening point is 70 ℃)
(b)-4: alkyl benzyl ammonio methacrylate (23 ℃ time be liquid)
(b)-5: special polyocarboxy acid type high molecular surfactant (23 ℃ time be liquid)
[poly alkylene glycol (c)]
(c)-1: Polyethylene Glycol (molecular weight is 1000) (softening point is 37 ℃)
(c)-2: Polyethylene Glycol (molecular weight is 3000) (softening point is 53 ℃)
(c)-3: Polyethylene Glycol (molecular weight is 20000) (softening point is 60 ℃)
(c)-4: polypropylene glycol (molecular weight is 3000) (23 ℃ time be liquid)
[water-soluble material (c ')]
(c ')-1: polyvinyl alcohol (molecular weight is 3000) (23 ℃ time be liquid)
[polymer (d)] with carboxyl
(d)-1:EAA (MFR1300g/10min) (softening point is 75 ℃)
(d)-2:EAA (MFR300g/10min) (softening point is 82 ℃)
(d)-3:EMAA (MFR300g/10min) (softening point is 80 ℃)
(d)-4:EMMA (MFR450g/10min) (softening point is 90 ℃)
[polymer (d ') that does not have carboxyl]
(d ')-1:EVA (MFR400g/10min) (softening point is 70 ℃)
(d’)-2：SIS(MFR40g/10min)
[acidic materials (e) except that (b) and (d)]
(e)-1: citric acid
(e)-2: succinic acid
(e)-3: acetic anhydride
(evaluation methodology of wetness indicator composition)
Carry out the test of following (1)～(6) according to following order.Use hand coatings machine will be 110 ℃ of fused wetness indicator composition with 20g/cm
2Coating weight be coated on the back-sheet, make test film.As this back-sheet, use the saturating wet-sheet (the single face upper strata is pressed with non-woven fabrics) of commercially available colored king merries.
(1) softening point
The assay method of softening point is used based on the softening point test method of the ring and ball method of " JIS " JIS (JAPAN IndustrialStandard) K 6863-1944 and is carried out.
(2) assay method of viscosity
The assay method of viscosity carries out according to JIS K 6862 (A method).With in advance in that the melt metal jar is added in the test chamber with hot-melt composition 300g under the high 10 ℃ temperature of temperature than measuring, in air with bar thermometer fully stir arrive to measure temperature after, use Brookfield viscometer (Toki Sangyo Co., Ltd. makes TOKIMEC VISCOMETER MODEL:BM) to measure (rotor of use uses suitable rotor as required).
(3) assay method of variable color time
Time when the variable color time is meant the test film moistening of making under certain conditions till can confirm to develop the color.Make test film soak into ion exchange water, measure from the colourless time till can confirm to develop the color, with it as the variable color time, be designated as ◎ with 10 seconds with interior situation, situation about being designated as more than zero, 60 second with interior situation in 60 seconds is designated as △, and situation about not developing the color more than 1 hour is designated as *.
(4) assay method of moisture resistance
Moisture resistance is to have or not colour developing when confirming to leave standstill in 40 ℃, the relative humidity of 80%RH.Situation that to also not have colour developing after 48 hours is decided to be zero, do not have colour developing till 24 hours but before arriving 48 hours the situation of colour developing be decided to be △, before arriving 24 hours the situation of colour developing be decided to be *, the line item of going forward side by side.
(5) evaluation of initial stage tone
The initial stage tone is meant by the tone of the test film before the water-wet.Will from be judged as colourless state begin till the state of colour developing, to use from colourlessly begin to be followed successively by zero, △, * Three Estate judge.
(6) test method of color rendering properties
The initial stage tone is meant by the tone of the test film before the water-wet.Will from be judged as colourless state begin till the state of colour developing, to use from colourlessly begin to be followed successively by zero, △, * Three Estate judge.
Make embodiment and comparative example as shown in Table 1 and Table 2 like that.Shown in embodiment 1～3, the pH value that has lactonic ring by use is 7 and is essentially the colourless pH value indicator (a) in the acidic region colour developing, can make the wetness indicator composition that shows multiple color from colourless.
Among the embodiment 4～7, can use various surfactants (b) to make wetness indicator composition.At this moment, the color rendering properties of anionic surfactant slightly a little less than, the initial stage tone of cationic surface active agent is dark slightly, but nonionic surfactant does not have the problems referred to above, can use well.Particularly polyoxyethylene alkyl ether is better.
Among the embodiment 8～10, can use various poly alkylene glycol (c) to make wetness indicator composition.
Among the embodiment 11～13, can use various polymer (d) to make wetness indicator composition with carboxyl.Particularly used the example of olefin(e)-acrylic copolymer to show good performance.
Among the embodiment 14,15, can use various acidic materials (e) except that (b) and (d) to make wetness indicator composition.The initial stage tone that particularly 23 ℃ the time is solid acidic materials also is colourless, thereby preferred.
Embodiment the 16, the 17th, changes pH value and be 7 and be essentially the example of the match ratio of colourless pH value indicator (a) in the acidic region colour developing.When use level is not in the scope of 0.5～2.5 weight %, compare with the situation of use level in this scope, although initial stage tone or color rendering properties variation slightly can be used no problemly.
Embodiment the 18, the 19th, changes the example of the match ratio of surfactant (b).When use level is not in the scope of 45～65 weight %, compare with the situation of use level in this scope, although initial stage tone or color rendering properties variation slightly can be used no problemly.
Embodiment the 20, the 21st, changes the example of the match ratio of poly alkylene glycol (c).When use level is not in the scope of 10～20 weight %, compare with the situation of use level in this scope, although moisture resistance variation slightly can be used no problemly.
Embodiment 22 is the examples that change the match ratio of the polymer (d) with carboxyl.When use level is not in the scope of 20～60 weight %, compare with the situation of use level in this scope, although initial stage tone variation slightly can be used no problemly.
Embodiment the 23, the 24th, changes the example of the match ratio of the acidic materials (e) except that (b) and (d).When use level is not in the scope of 0.5～1.5 weight %, compare with the situation of use level in this scope, although initial stage tone or color rendering properties variation slightly can be used no problemly.
Not cooperate pH value in the comparative example 1 be 7 and be essentially colourless pH value indicator (a) in the acidic region colour developing.At this moment, do not develop the color fully even if soak into ion exchange water yet.To have cooperated the above pH value of 5 weight % in the comparative example 2 be 7 and be essentially the colourless pH value indicator (a) in the acidic region colour developing.At this moment, the initial stage tone is very dark, and the difference before and after the colour developing is little, so be not suitable for using.
There is not matching surface activating agent (b) in the comparative example 3.At this moment, even other composition of heating and melting can not disperse, can not make uniform wetness indicator composition.Even if soaking into ion exchange water does not develop the color fully yet.Comparative example 4 is the middle above surfactants (b) of 90 weight % that cooperated.At this moment, in the time of 23 ℃, be roughly liquid, in the moisture resistance test, do not wait until 24 hours and just develop the color fully, so be not suitable for using.
Do not cooperate poly alkylene glycol (c) in the comparative example 5.At this moment, in the moisture resistance test, do not wait until 24 hours and just develop the color fully, so be not suitable for using.Cooperated the above poly alkylene glycol (c) of 55 weight % in the comparative example 6.In the moisture resistance test, do not wait until 24 hours too this moment and just develop the color fully, so be not suitable for using.
Cooperated the above polymer with carboxyl (d) of 70 weight % in the comparative example 7.At this moment, the initial stage tone is very dark, and the difference before and after the colour developing is little, so be not suitable for using.
There are not to cooperate the acidic materials (e) except that (b) and (d) in the comparative example 8.At this moment, do not develop the color fully even if soak into ion exchange water yet.The above acidic materials (e) except that (b) and (d) of 5 weight % have been cooperated in the comparative example 9.At this moment, the initial stage tone is very dark, and the difference before and after the colour developing is little, so be not suitable for using.
Replace poly alkylene glycol (c) to cooperate water-soluble material (c ') in the comparative example 10.At this moment, even other composition of heating and melting can not disperse, can not make uniform wetness indicator composition.
The polymer (d) that replaces having carboxyl in the comparative example 11,12 has cooperated the polymer that do not have carboxyl (d ').At this moment, even other composition of heating and melting can not disperse, can not make uniform wetness indicator composition.
By contain the specific pH value indicator and the compositions of the present invention of poly alkylene glycol with specific match ratio, can be provided in thermoplasticity and the flexibility aspect is effective, the initial stage tone is colourless, by water-wet then response develop the color well, obtained good can the notifying of moisture resistance by the isostatic compositions of the humidity indicator function of water-wet.
In addition, usually, when the use level of hydrophilic polymeies such as increase poly alkylene glycol, then moisture resistance reduces, but in the present invention, pH value indicator or acidic materials are entered between itself and the surfactant, so can improve moisture resistance on the contrary by an amount of use poly alkylene glycol.
According to absorbent commodity of the present invention, hot-melt composition is owing to use the wetness indicator composition of the present invention contain mentioned component (a)～(e), thus can be rapidly with urine, just, the drainage of body fluid such as blood is notified to the diaper user.In addition, the color during owing to this hot-melt composition variable color and the range of choice of coated pattern are wide, so intention excellent absorption article can be provided less expensively.
Packaging structure according to absorbent commodity of the present invention, owing to be to take in to possess absorbent commodity of the present invention with the good indicator (hot-melt composition) of color reversibility and weatherability, so can reduce the goods that indicator discoloration caused that the dampness etc. before the Kaifeng causes abandons, in addition, make the titanium amount that contains in the packaging material can provide high-quality packaging structure at an easy rate in order to block the extraneous light that causes indicator discoloration than product minimizing in the past.
Claims (4)
1, a kind of absorbent commodity, it possesses face sheet, back-sheet and the absorber between above-mentioned two sheet materials, and is coated with meeting because of contact the hot-melt composition of variable color with body fluid, and wherein, described hot-melt composition contains:
PH value indicator (a) 0.1～5 weight %, the pH value of this pH value indicator is 7, and this pH value indicator is essentially colourless and develops the color at acidic region;
Surfactant (b) 20～90 weight %;
Poly alkylene glycol (c) 5～55 weight %;
Polymer (d) 0～70 weight % with carboxyl; And
Acidic materials (e) 0.1～5 weight % except that (b) and (d).
2, absorbent commodity according to claim 1, wherein, described hot-melt composition is because of after contacting moistening, variable color with body fluid, in case the dry color that promptly is returned to before the variable color.
3, absorbent commodity according to claim 1 and 2, wherein, described hot-melt composition is contacting variable color in back 1 minute with body fluid.
4, a kind of packaging structure of absorbent commodity, it is the packaging material that each described absorbent commodity of claim 1～3 is lower than 8 weight % with Ti content to be packed form.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006266149 | 2006-09-29 | ||
| JP266149/2006 | 2006-09-29 | ||
| JP166618/2007 | 2007-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101522149A true CN101522149A (en) | 2009-09-02 |
Family
ID=41082322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007800362706A Pending CN101522149A (en) | 2006-09-29 | 2007-09-26 | Absorbing article |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101522149A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797198A (en) * | 2010-01-07 | 2010-08-11 | 广东百顺纸品有限公司 | Multifunctional disposable absorbing article with wet display alarm |
| CN103260566A (en) * | 2010-12-10 | 2013-08-21 | 金伯利-克拉克环球有限公司 | Wetness sensor for use in an absorbent article |
| CN104797621A (en) * | 2012-11-14 | 2015-07-22 | 墨尼克医疗用品有限公司 | Moisture indicating hydrophilic polyurethane |
| CN107810407A (en) * | 2015-06-30 | 2018-03-16 | 宝洁公司 | Wetness indicators with two kinds of colouring agents and two kinds of stabilizers |
| CN108289435A (en) * | 2015-11-05 | 2018-07-17 | 尤妮佳股份有限公司 | Absorbent article for pet |
-
2007
- 2007-09-26 CN CNA2007800362706A patent/CN101522149A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797198A (en) * | 2010-01-07 | 2010-08-11 | 广东百顺纸品有限公司 | Multifunctional disposable absorbing article with wet display alarm |
| CN101797198B (en) * | 2010-01-07 | 2013-04-24 | 广东百顺纸品有限公司 | Multifunctional disposable absorbing article with wet display alarm |
| CN103260566A (en) * | 2010-12-10 | 2013-08-21 | 金伯利-克拉克环球有限公司 | Wetness sensor for use in an absorbent article |
| CN103260566B (en) * | 2010-12-10 | 2015-09-09 | 金伯利-克拉克环球有限公司 | For the humidity sensor used in absorbent article |
| CN104797621A (en) * | 2012-11-14 | 2015-07-22 | 墨尼克医疗用品有限公司 | Moisture indicating hydrophilic polyurethane |
| US9504421B2 (en) | 2012-11-14 | 2016-11-29 | Mölnlycke Health Care Ab | Moisture indicating hydrophilic polyurethane |
| CN104797621B (en) * | 2012-11-14 | 2018-05-11 | 墨尼克医疗用品有限公司 | Indicate the hydrophilic polyurethane of moisture |
| CN107810407A (en) * | 2015-06-30 | 2018-03-16 | 宝洁公司 | Wetness indicators with two kinds of colouring agents and two kinds of stabilizers |
| CN108289435A (en) * | 2015-11-05 | 2018-07-17 | 尤妮佳股份有限公司 | Absorbent article for pet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI474808B (en) | Absorbent items | |
| CN105073078B (en) | Absorbent commodity | |
| RU2508084C2 (en) | Absorbent products with humidity sensors | |
| CN203724346U (en) | Absorbent article | |
| JP5081039B2 (en) | Absorbent articles | |
| JP5032298B2 (en) | Absorbent articles | |
| JP2009250642A (en) | Wet indicator composition | |
| CN102834080B (en) | Absorbent commodity | |
| CN101917949B (en) | Absorbent article to be worn | |
| CN101522149A (en) | Absorbing article | |
| CN104717945A (en) | Absorbent article | |
| CN107613925A (en) | Absorbent commodity | |
| CN208799406U (en) | The stretching structure of disposable shorts | |
| CA2333064C (en) | Clothlike, breathable backsheet with multicolored graphics for disposable absorbent article | |
| CN107810407A (en) | Wetness indicators with two kinds of colouring agents and two kinds of stabilizers | |
| CZ385598A3 (en) | Absorption structure and process for producing such absorption structure by moulding a fibrous carpet onto a material exhibiting high elasticity | |
| CN102438565A (en) | Absorbent article | |
| JP2008284183A (en) | Absorptive article | |
| CN104540990A (en) | Nonwoven fabric and textile treating agent | |
| US6685686B2 (en) | Absorbent article | |
| JP6214895B2 (en) | Disposable paper diapers | |
| TWI312690B (en) | ||
| EP0663464B1 (en) | Liquid absorbing sheet material, method of manufacturing the liquid absorbing sheet material, method of manufacturing a sheet material and sanitary articles produced thereby | |
| US20230416551A1 (en) | Compositions for Wetness Indication | |
| US20230414416A1 (en) | Absorbent articles containing wetness indicating compositions and methods for manufacture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20090902 |