CN103349592A - Paper diaper with good water-absorbing quality - Google Patents
Paper diaper with good water-absorbing quality Download PDFInfo
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- CN103349592A CN103349592A CN2013103155601A CN201310315560A CN103349592A CN 103349592 A CN103349592 A CN 103349592A CN 2013103155601 A CN2013103155601 A CN 2013103155601A CN 201310315560 A CN201310315560 A CN 201310315560A CN 103349592 A CN103349592 A CN 103349592A
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Abstract
The invention relates to a paper diaper with good water-absorbing quality. The paper diaper with the good water-absorbing quality comprises a surface coating layer, an absorbing core layer and a bottom lining layer, wherein the absorbing core layer contains dried and dehydrated biological cellulose micro powder. The paper diaper with the good water-absorbing quality has the advantages of being good in water-absorbing quality, being breathable and having no discomfort when the paper diaper is used for a long time, and being biodegradable and environmentally friendly after being used.
Description
Technical field
The application relates to a kind of hygienic article, especially relates to the diaper product that a kind of infant or adult use.
Background technology
Diaper is because its disposable use, the characteristic such as light and handy convenient make it be used by increasing consumer and liked.It generally is made of surface coating layer, absorbent core layer and bottom lining, surface coating layer adopts non-woven fabrics or imitative cotton nonwoven fabrics more, base fabric is PE film or breathability PE film, absorbent core layer is to mix by absorbent materials such as wood pulp, Time of Fluff Slurry, paper pulp or by the absorbent materials such as wood pulp, Time of Fluff Slurry, paper pulp and hydroscopic high-molecular resin mostly, it will reach preferably that water absorbing properties need to arrange thicker size, greatly affects breathability and the comfort level of product.And the easy group of connecing of absorbent core layer behind liquid-absorbing occurs absorbing tomography, thereby affects the timely absorption of urine, affects its service time.Even adopt absorbent material and the hydroscopic high-molecular resin mixing such as wood pulp, Time of Fluff Slurry, paper pulp, its skewness is fixed, caused to also be difficult to owing to hydroscopic high-molecular resin and paper pulp etc., affects its water absorption.Even if all use macromolecule resin as absorbent core layer, also have following defective:
1, cost is higher;
2, macromolecule resin class absorbent material ubiquity has the poor shortcoming of saline-alkaline tolerance.Be that its suction distilled water can reach thousand times of 1-2, but its absorption normal saline only have tens times.Absorbability for urine is not fine.So adopt its diaper product as absorbent material still to have can not to absorb water for a long time, use for a long time, and the defective such as breathability is bad.
Biology cellulose (Biocellulose), the Bacterial cellulose that is otherwise known as (Bacterial cellulose, BC), it is the microorganism by the acetic acid Pseudomonas, the cellulose products of making such as fermentations such as acetobacter xylinums.At present mainly with garbage, as raw material, so it is with low cost such as Sucus Cocois, pineapple peel juice etc.Contain in the product that obtains up to the moisture more than 95%, the biology cellulose gel therefore is otherwise known as.The preparation method of biology cellulose gel is known in the art, and is disclosed as all having among CN101671708, CN1840677A, the CN101319242A.Biology cellulose is compared without association products such as lignin, pectin and hemicelluloses with plant cellulose, has high-crystallinity (can reach 95%, plant cellulose be 65%) and the high degree of polymerization (DP value 2 000～8 000); It has hyperfine network structure, and the biological fiber cellulose fiber is that the fento by diameter 3～4 nanometers is combined into the thick fibre bundle of 40～60 nanometers, and is intertwined to form flourishing hyperfine network structure; Its elastic modelling quantity is more than general Plant fiber's the several times to ten times, and tensile strength is high; Biological fiber have very strong moisture holding capacity, has simultaneously higher biocompatibility, adaptability and good biodegradability.
Summary of the invention
For defects, the invention provides a kind of diaper of good water absorption, it has good water absorption, use for a long time ventilative, without sense of discomfort, and characteristics such as biodegradable after using, environmental protection.
The diaper of good water absorption provided by the invention comprises surface coating layer, absorbent core layer and bottom lining, contains the biological cellulose micro powder of drying and dehydrating in the described absorbent core layer.Find that through experiment the biological cellulose micro powder that obtains behind the drying and dehydrating has superpower water absorbing capacity, it can absorb volume at short notice is its liquid more than 10 times.Especially it should be noted that said water absorbing capacity is special in urine here, rather than said for distilled water.Find according to experiment, biological cellulose micro powder is for being rich in organic principle, contain the salt material, weakly acidic liquid still has preferably water absorption, it can not be subject to the macromolecular substances in the liquid component, the interference of acidic materials, hyperfine network structure by himself has good adsorption to wherein molecule, the hydrogen bond that its internal structure of while contains in a large number also can be with the ion micromolecule, the compositions such as water firmly adsorb, two combine, so that the biological cellulose micro powder after the dehydration still has higher water absorption for the urine that is rich in organic substance and acidic materials.So some use the diaper product of macromolecule resin material to diaper product provided by the invention relatively, possess better water absorbing properties.Its good biocompatibility of while, the lock aqueous is strong, good permeability, long-time use can not cause sense of discomfort, sweltering sense etc., and because it adopts the micropowder form, it evenly can be fixed in the absorbent core layer, even long-time the twisting can not affect its soaking effect yet.In the situation of the material that surface coating layer and the bottom lining of described diaper product all adopts environment-friendly degradable, but the natural biology degraded in natural environment of described diaper product can not produce garbage.
Diaper of the present invention, but described surface coating layer make for the material of transflective liquid, described bottom lining is made for material that fully can not transflective liquid.Described bottom lining and surface coating layer big or small identical is complementary with the profile of diaper, is that the health front side from user extends to the health rear side substantially, and the length of rear side is longer than the length of front side, and the width of rear side is for more backward wider.
The size of described absorbent core layer can be identical with bottom lining size with described surface coating layer, also can be slightly less than described surface coating layer and bottom lining.
The side relative with absorbent core layer of described bottom lining has alite paste, described diaper can be sticked on the medicated clothing of user.
Diaper of the present invention, described biological cellulose micro powder are that the granular biology cellulose gel that obtains of the membranaceous biology cellulose gel that obtains of static fermentation or dynamic fermentation makes after through cutting, drying and dehydrating.Cold drying obtains to the constant weight the biology cellulose gel that preferably fermentation is obtained carrying out under 20-60 ℃.Described cold drying is preferably vacuum lyophilization.
Diaper of the present invention preferably before drying, makes the biology cellulose gel remove part moisture by mechanical compress first.Can carry out better follow-up cold drying, and can not destroy its meticulous network structure.
Diaper of the present invention, described biological cellulose micro powder is before carrying out drying, preferably pass through purification and washing, purification and washing can be used methods known in the art, such as usefulness weak base water or weak acid and deionized water cyclic washing commonly used, in order to get rid of the impurity substances that might exist in the culture medium.
Described biology cellulose gel can use the methods known in the art preparation, and strain can use the various strains that can produce fibres element gel, preferably uses gluconate pyracetobacillus or acetobacter xylinum.Can use tray static fermentation method also can use the dynamic fermentation method to produce the biology cellulose gel.The granulated gel that the membranaceous gel that described biology cellulose gel can make for static fermentation or dynamic fermentation make.The culture medium and the fermentation condition that use do not have special requirement, can make the growth of microorganism breeding, and generation biology cellulose gel gets final product.Preferred fermentation temperature is 28-32 ℃, ferments 5-10 days.
In order to reach better soaking effect, the absorbent core layer of diaper of the present invention can also further comprise other absorbent materials, absorbent core layer comprises cladding and inner core as described, and described inner core comprises the biological cellulose micro powder of drying and dehydrating, also comprises hydroscopic high-molecular resin or active carbon.
Described hydroscopic high-molecular resin is preferably starch conversion water-absorbing resin or acrylic acid series water-absorbing resin.It can better improve the water absorption of absorbent core layer by suitable adding.
Described active carbon is preferably cocoanut active charcoal or active fruit shell carbon, can further improve the water absorption of described diaper, and all right malabsorption abnormal smells from the patient keeps abnormal smells from the patient pure and fresh.
In use, hydroscopic high-molecular resin or active carbon are got final product with being coated in the cladding after biological cellulose micro powder behind the drying and dehydrating mixes.The mixed proportion of described hydroscopic high-molecular resin or active carbon is preferably 1%-8%, especially is preferably 5%.Its addition is difficult for too much can affecting biological cellulose micro powder to the absorbance of organic macromolecule in the too much situation.
Preferred, the present invention also provides a kind of good water absorption and the diaper product of skin care effect is arranged, and it also has certain health-care effect except having the effect that absorbs urine, can protect in use user infant or adult's skin.
Because diaper mostly is infant and uses at night; service time is usually longer, reaches 8-10 hour, even the longer time; so whether it can absorb urine fully; keeping dry tack free, is the key property of weighing product, and the skin of infant is tender and lovely simultaneously; be vulnerable to damage; so the present invention further provides a kind of diaper product with certain skin care effect, it can using simultaneously slowly release skin care ingredient, be protected the skin of user.
The good water absorption provided by the invention and diaper of skin care effect is arranged is in the biological cellulose micro powder of described absorbent core layer, contains following skin care ingredient:
Glycerol, natural Vitamin E, Aloe juice, Bulbus Lilii extract, Flos Lonicerae extract, camomile extract, Sucus Luffae.Raw material is commercially available getting all.
Its preparation process is:
1) get Bulbus Lilii 2 weight portions, Flos Lonicerae 2 weight portions, Flos Matricariae chamomillae 2 weight portions, add 2 times of volume water, heating decocted 1-2 hour, filtered to obtain decocting liquid; In decocting liquid, add glycerol 3 weight portions, natural Vitamin E 0.5 weight portion, Aloe juice 2 weight portions, Sucus Luffae 1 weight portion, mixing and stirring;
2) with after the dehydration of biology cellulose gel section, will soak 3-6 hour in its decocting liquid that in step 1), obtains;
3) after taking-up drains, through making biological cellulose micro powder behind cutting, the drying and dehydrating, make absorbent core layer after the coating again, make diaper with surface coating layer, bottom lining again.
The granulated gel that the membranaceous gel that described biology cellulose gel can make for static fermentation or dynamic fermentation make.The pH value of described biology cellulose gel is about 7.
The Chinese medicine composition composition that the present invention will have skin care effect incorporates in the biological cellulose micro powder, makes the absorbent core layer of diaper, in use; absorbent core layer not only can absorb urine; can also slowly discharge the skin care drug composition, the skin of protection user has the air permeable humidity retaining effect.
The specific embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is described in further detail.Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
Embodiment 1:
With the standby biology cellulose gel film of static fermentation legal system: use the Sucus Cocois culture medium, the inoculation gluconate pyracetobacillus, inoculum concentration 8%, 28 ℃ of lower tray static fermentations were cultivated after 5 days, biology cellulose gel film on the results culture medium liquid level, to pH4, remove the residual medium component and the microbial cells that adhere on the biology cellulose gel film with weak acid and deionized water cyclic washing.Then adopt the machine cuts method that the biology cellulose gel film is cut into bulk, 50 ℃ of cold drying are to constant weight, and grinds is coated in the non-woven fabrics, makes absorbent core layer.
Adopting natural fiber or synthetic fibers is surface coating layer again, and low-density polyethylene film is the bottom lining, makes according to known technique diaper and gets final product.
Embodiment 2:
With the standby biology cellulose gel of dynamic fermentation legal system: use the artificial preparation culture medium that contains carbon source, nitrogenous source, the inoculation gluconate pyracetobacillus, inoculum concentration 10%, 30 ℃ of lower shaking table dynamic fermentations were cultivated after 7 days, results biology cellulose gelled pill, to pH6, remove the residual medium component and the microbial cells that adhere on the biology cellulose gel with weak lye and deionized water cyclic washing.Mechanical compress makes its water content be down to 70%, and making it dry by vacuum lyophilization again is constant weight, grinds.With itself and 5%(percentage by weight) the acrylic acid series water-absorbing resin mix, be coated in the non-woven fabrics, make absorbent core layer.
Adopting natural fiber or synthetic fibers is surface coating layer again, and low-density polyethylene film is the bottom lining, makes according to known technique diaper and gets final product.
Embodiment 3:
With the standby biology cellulose gel of dynamic fermentation legal system: use the artificial preparation culture medium that contains carbon source, nitrogenous source, the inoculation gluconate pyracetobacillus, inoculum concentration 10%, 30 ℃ of lower shaking table dynamic fermentations were cultivated after 7 days, results biology cellulose gelled pill, to pH6, remove the residual medium component and the microbial cells that adhere on the biology cellulose gel with weak lye and deionized water cyclic washing.Mechanical compress makes its water content be down to 60%, and making it dry by vacuum lyophilization again is constant weight, grinds.With itself and 3%(percentage by weight) cocoanut active charcoal mix, be coated in the non-woven fabrics, make absorbent core layer.
Adopting natural fiber or synthetic fibers is surface coating layer again, and low-density polyethylene film is the bottom lining, makes according to known technique diaper and gets final product.
Embodiment 4:
Get Bulbus Lilii 2 weight portions, Flos Lonicerae 2 weight portions, Flos Matricariae chamomillae 2 weight portions, add 2 times of volume water, heating decocted 1-2 hour, filtered to obtain decocting liquid; In decocting liquid, add glycerol 3 weight portions, natural Vitamin E 0.5 weight portion, Aloe juice 2 weight portions, Sucus Luffae 1 weight portion, mixing and stirring;
Get again the biology cellulose gel film that makes among the embodiment 1, with weak acid liquid and deionized water cyclic washing to pH 7, make its water content be down to 60% by mechanical compress first, then it was soaked 5 hours in decocting liquid, after taking-up drains, pass through again vacuum lyophilization to constant weight, grinds, be coated in the non-woven fabrics, make absorbent core layer.
Adopting natural fiber or synthetic fibers is surface coating layer again, and low-density polyethylene film is the bottom lining, makes according to known technique diaper and gets final product.
Embodiment 5:
Get Bulbus Lilii 2 weight portions, Flos Lonicerae 2 weight portions, Flos Matricariae chamomillae 2 weight portions, add 2 times of volume water, heating decocted 1-2 hour, filtered to obtain decocting liquid; In decocting liquid, add glycerol 3 weight portions, natural Vitamin E 0.5 weight portion, Aloe juice 2 weight portions, Sucus Luffae 1 weight portion, mixing and stirring;
Get again the biology cellulose gelled pill that makes among the embodiment 2, with alkali liquor and deionized water cyclic washing to pH 7, make its water content be down to 50% by mechanical compress first, then it was soaked 5 hours in decocting liquid, after taking-up drains, pass through again vacuum lyophilization to constant weight, grinds, be coated in the non-woven fabrics, make absorbent core layer.
Adopting natural fiber or synthetic fibers is surface coating layer again, and low-density polyethylene film is the bottom lining, makes according to known technique diaper and gets final product.
Test example:
In order to check the water absorption of diaper of the present invention, the present invention has carried out the water absorption under pressure test to the diaper among the embodiment, and process of the test and result are as follows respectively:
The water absorption under pressure test
Under the pressure condition of 2kPa, to the liquid that 100ml is toppled in the surface coating layer top of the diaper of embodiment, test it and absorb the needed time (unit for second) fully, the result is as follows:
| The soak time of different liquids kind | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | The commercially available diaper product brand of Comparative Examples 1(first is randomly drawed) | The commercially available diaper product brand of Comparative Examples 2(second is randomly drawed) |
| Distilled water | 5s | 5s | 5s | 5s | 5s | 10s | 10s |
| Normal saline | 8s | 8s | 8s | 8s | 8s | 20s | 20s |
| The normal saline that contains 1g/100ml carbamide | 12s | 12s | 12s | 13s | 13s | 22s | 22s |
Can find out that from above test diaper product of the present invention has better water absorption owing to used biological cellulose micro powder.Especially for the liquid that contains salt material and acidic materials, its assimilation effect is better.Simultaneously because the multifrequency nature of biology cellulose itself, breathability is good so that described diaper product also has, good biocompatibility, the multiple advantage such as biodegradable.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the diaper of a good water absorption, it is characterized in that: described diaper comprises surface coating layer, absorbent core layer and bottom lining, contains the biological cellulose micro powder of drying and dehydrating in the described absorbent core layer.
2. diaper according to claim 1 is characterized in that: described biological cellulose micro powder is that the granular biology cellulose gel that obtains of the membranaceous biology cellulose gel that obtains of static fermentation or dynamic fermentation makes after through cutting, drying and dehydrating.
3. diaper according to claim 1 and 2 is characterized in that: to be biology cellulose gel that fermentation is obtained obtain to constant weight carrying out cold drying under 20-60 ℃ described biological cellulose micro powder.
4. diaper according to claim 3, it is characterized in that: described cold drying is vacuum lyophilization.
5. diaper according to claim 4 is characterized in that: before drying, make the biology cellulose gel remove part moisture by mechanical compress first.
6. diaper according to claim 1, it is characterized in that: described absorbent core layer comprises cladding and inner core, described inner core comprises the biological cellulose micro powder of drying and dehydrating.
7. diaper according to claim 6, it is characterized in that: described inner core also comprises hydroscopic high-molecular resin or active carbon.
8. diaper according to claim 7, it is characterized in that: described hydroscopic high-molecular resin is starch conversion water-absorbing resin or acrylic acid series water-absorbing resin.
9. a good water absorption and the diaper of skin care effect is arranged is characterized in that: in the biological cellulose micro powder of the absorbent core layer of the diaper of claim 1, also contain following skin care ingredient:
Glycerol, natural Vitamin E, Aloe juice, Bulbus Lilii extract, Flos Lonicerae extract, camomile extract, Sucus Luffae;
Described skin care ingredient is evenly distributed in the described biological cellulose micro powder.
10. diaper according to claim 9, it is characterized in that: preparation process is:
1) get Bulbus Lilii 2 weight portions, Flos Lonicerae 2 weight portions, Flos Matricariae chamomillae 2 weight portions, add 2 times of volume water, heating decocted 1-2 hour, filtered to obtain decocting liquid; In decocting liquid, add glycerol 3 weight portions, natural Vitamin E 0.5 weight portion, Aloe juice 2 weight portions, Sucus Luffae 1 weight portion, mixing and stirring;
2) with after the dehydration of biology cellulose gel section, will soak 3-6 hour in its decocting liquid that in step 1), obtains;
3) after taking-up drains, through making biological cellulose micro powder behind cutting, the drying and dehydrating, make absorbent core layer after the coating again, make diaper with surface coating layer, bottom lining again.
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Cited By (6)
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| CN107260405A (en) * | 2017-07-10 | 2017-10-20 | 杭州千芝雅卫生用品有限公司 | A kind of soft antibacterial deodorization baby paper diaper |
| CN110592805A (en) * | 2019-08-31 | 2019-12-20 | 福建恒安集团有限公司 | Preparation method and application of lily tuber fleeceflower stem sleep-aiding non-woven fabric |
| US10653571B2 (en) | 2015-12-10 | 2020-05-19 | The Procter & Gamble Company | Article comprising odor control composition |
| CN112336906A (en) * | 2019-08-08 | 2021-02-09 | 佛山市顺德区州福慈鑫无纺布有限公司 | Plant essence hip-protecting cream |
| CN112400708A (en) * | 2019-08-20 | 2021-02-26 | 江苏中恒宠物用品股份有限公司 | Biodegradable pet nursing pad |
| CN116617441A (en) * | 2023-05-05 | 2023-08-22 | 广东邦宝个人护理用品有限公司 | High water absorption panty-shape diapers |
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