CN202426733U - Natural full-biodegradation disposable infant paper diaper - Google Patents
Natural full-biodegradation disposable infant paper diaper Download PDFInfo
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- CN202426733U CN202426733U CN2012200385316U CN201220038531U CN202426733U CN 202426733 U CN202426733 U CN 202426733U CN 2012200385316 U CN2012200385316 U CN 2012200385316U CN 201220038531 U CN201220038531 U CN 201220038531U CN 202426733 U CN202426733 U CN 202426733U
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Abstract
The utility model discloses a natural full-biodegradation disposable infant paper diaper, which successively comprises a hydrophilic layer, a wood pulp cellulose and water-absorption polymer mixing layer, a water repellent bottom membrane and a water repellent bottom layer from top to bottom, wherein two sides of the water repellent bottom layer are respectively provided with two guarding water repellent layers; the water repellent edge of each guarding water repellent layer is fixedly connected with two side edges of the water repellent bottom layer; the hydrophilic layer comprises one layer or multiple layers of full-degradation lactic acid polymer spun-bonded filament non-woven fabrics subjected to hydrophilic treatment; and the water repellent bottom layer comprises one layer or multiple layers of full-degradation lactic acid polymer spun-bonded filament non-woven fabrics subjected to water repellent treatment. In the natural full-biodegradation disposable infant paper diaper, the full-degradation lactic acid polymer spun-bonded filament non-woven fabrics and spunbond meltblown spunbond (SMS) nonwovens serve as the processing materials of the natural full-biodegradation disposable infant paper diaper, and therefore the natural full-biodegradation disposable infant paper diaper can have better air permeability, flexibility and filtering efficiency. The defects of big post-processing difficulty, time and labor consumption and big possibility of polluting the environment after the traditional disposable infant paper diaper is used can be overcome by the excellent degradation capability of the natural full-biodegradation disposable infant paper diaper.
Description
Technical field
This utility model belongs to the daily living article technical field, is specifically related to the natural complete biodegradable disposable paper diaper that a kind of infant uses.
Background technology
Progress along with scientific development and human society; The urine pad that infant and paralytic use is by traditional can repeated multiple times using; Must change immediately in case urine is wet, the diaper or the diaper that in time clean are improved to and need not now to use repeatedly, clean; Also need not the disposable paper diaper of replacing in time; The appearance of disposable urine napkin, though bring many facilities for the head of a family and the medical personnel that look after, nurse infant, paralytic, and receive popular favor with its air permeability and good and leakproof moisture-proof dosing technology.But owing to receive the restriction of expensive and rare supply channel, the not enough environmental protection of material that this type of disposable paper diaper uses uses the back refuse to be difficult to handle, and ecological environment is caused very ill effect.Therefore, be necessary the employed material of existing disposable paper diaper is improved, make it reach the purpose of complete natural degradation, with the development of enhancing harmony between man and nature through after the simple process.
Summary of the invention
The objective of the invention is in order to overcome the existing disposable infant paper napkin, the disposable infant paper napkin that can high-fallly naturally separate under a kind of green All Pure Nature, harmless, the normality are provided because of many environmental problems that the not enough environmental protection of material causes.
The technical scheme of this utility model is following:
A kind of natural complete biodegradable disposable infant paper napkin, these paper napkin comprise hydrophilic layer, wood pulp cellulose and suction macromolecule mixed layer from top to bottom successively, refuse water-bed film and refuse water-bed layer; Be respectively equipped with two in said both sides of refusing water-bed layer and escort water repellent layer, and the waterside of refusing of escorting water repellent layer is fixedly connected with the dual-side of refusing water-bed layer.
Wherein hydrophilic layer preferably is made up of one or more layers full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics through hydrophilic treated.
The water-bed layer of refusing in this utility model preferably is made up of through the full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics of refusing water treatment one or more layers.
Escort water repellent layer and preferably be made up of one or more layers SMS composite non-weaving cloth, what this escorted water repellent layer refuses thickness that the waterside has flanging or refuse the waterside greater than the average thickness that escorts water repellent layer.
The water-bed film of refusing among the present invention preferably is made up of one or more layers full-biodegradable film, can melt and spray the full-biodegradable film that processes with PBAT and PLA polylactic acid particle by one or more layers further and constitute.
Below this utility model is done further detailed description:
Hydrophilic layer
The material that hydrophilic layer uses preferably passes through the full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics of hydrophilic treated; Full-degradation lactic acid polymer spun-bonded non-woven fabrics itself is not possess absorbent function; Hydrophilic treated then is that it is carried out special handling, to reach the purpose that its surface can adsorbed water molecule.This non-woven fabrics through after the hydrophilic treated has the good penetration absorption function.Full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics in this utility model further select for use among the Chinese patent ZL200710131440.0 disclosed and the protection full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics.
The optimal material full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics of hydrophilic layer can be that the fibre web hot calendering bonding that the acid fiber by polylactic of 0.12～1mm is paved into forms by the average fiber fineness, and generally its mass area ratio is 25～100g/m
2, thickness is 0.1～0.5mm, and extend longitudinally property is 12～16%, and extending transversely property is 15～21%.
The longitudinal pulling force of this non-woven fabrics is 70～300N/5cm, and lateral pull is 10～70N/5cm; Vertical 5% modulus is 50～240N/5cm, and horizontal 5% modulus is 5～50N/5cm.Its trapezium tearing strength is: vertical 5～40N, horizontal 15～90N; Monolateral coefficient tearing strength is: vertical 2～8N, horizontal 3～14N.Its air permeability is 20～190cc/cm
2/ sec.Wood pulp cellulose and suction macromolecule mixed layer
Wood pulp cellulose is that 100% pure wood pulp processes, and belongs to natural Wholly-degradable material.Wood pulp cellulose can solve the problem that urine distributes and concentrates; Make liquid can spread to all suction areas of the paper napkin uniformly; It mixes with the suction macromolecule mutually, can make all its water absorbing capacities of suction macromolecule performance, is requisite part in the paper napkin hydrating structure.
Macromolecular material (Chemical basis:cereal-based polysaccharides wherein absorbs water; Be called for short SAP) be also referred to as super absorbent resin, super strength water absorbent, high water absorbency polymer, be a kind of pure natural and new functional macromolecule material with excellent water absorbing capacity and water holding capacity.
Macromolecule water uptake divides several stages, and the phase I suction is very slow, and the suction of this moment is to realize through capillary tube absorption and peptizaiton; Then hydrone is through the hydrophilic group effect of hydrogen bond and resin; Make it to dissociate, anion is fixed on the macromolecular chain, and cation then can move freely.Along with hydrophilic group because of further disassociation, the anion number increases, the electrostatic repulsion forces between the ion makes the network expansion of resin; In order to keep electric neutrality, cation can not cause cation concentration in the resin network to increase to outside solvent diffuse simultaneously, so the inside and outside osmotic pressure that produces of network, moisture further infiltrates.Along with the increase of water absorption, the inside and outside permeable pressure head trend of network is zero; And network expansion time, its elastic contractile force is also increasing, and offsets anionic Coulomb repulsion gradually, finally reaches the suction balance.
Refuse water-bed film
Refuse the sintetics that water-bed film is PBAT and PLA material, have good toughness and refuse the water characteristic.PBAT and PLA are natural Wholly-degradable materials, and therefore, this molten mucosa is harmless and can degrade fully to human non-toxic.
PBAT full name is phosphoribosylpyrophosphate amidotransferase, and it can carry out modification to the PLA material.Pure PLA material can not directly be processed the melting film forming, and PBAT can change the melting index of PLA material, makes it transform film forming.PLA is that the English of biodegradable plastic polylactic acid is write a Chinese character in simplified form, and is written as entirely: polylactice acid polylactic acid is also referred to as polylactide (polylactide), belongs to polyester family.Polylactic acid is the polymer that obtains for the primary raw material polymerization with lactic acid, and raw material sources are raw material with corn, Maninot esculenta crantz. etc. mainly fully and can regenerate.The production process of polylactic acid is pollution-free, and product can biodegradation, is implemented in the circulation of occurring in nature, is the ideal green macromolecular material therefore.The Heat stability is good of polylactic acid, 170～230 ℃ of processing temperatures have good solvent resistance, and available multiple mode is processed, like extruding, spinning, biaxial stretch-formed, injection-blow molding.Outside the product decapacitation biodegradation of being processed by polylactic acid, biocompatibility, glossiness, the transparency, feel and good heat resistance also have certain fungus resistance, anti-flammability and ultraviolet-resistent property.
Refuse water-bed layer
The material of refusing water-bed layer use is through refusing the full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics of water treatment; Because though this non-woven fabrics itself has certain waterproofing function under normal conditions; But can not accomplish fully not adsorbed water molecule, refusing water treatment then is to let full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics accomplish not absorb water completely.Full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics wherein further select for use among the Chinese patent ZL200710131440.0 disclosed and the protection full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics.
Escort water repellent layer
It is directly contacted with human skin escorting and refusing water, and the right ends at its Attacking Midfielder position respectively has a VELCRO, the effect of frontal waist plaster be when the paper napkin when skin is wrapped up in the both sides, front and back of human body crotch portion, the two ends of the connection paper napkin.After paper napkin two ends are by the frontal waist plaster fastening; Lateral pull when escorting water repellent layer and can receive physical activity; This just requires it must have very strong stretching resistance, its two, escort and refuse water as the part that directly is connected with hydrophilic layer; It must possess good strainability, to prevent urine side leakage takes place unexpectedly.Its three, escort and refuse water and directly contact with human skin, this just requires it can not make symptoms such as human body generation allergy, discomfort to the human non-toxic side effect.And these advantages of fully-degradable polylactic acid fiber SMS compound non-woven just.
The material that escorts water repellent layer preferably adopts fully-degradable polylactic acid fiber SMS compound non-woven, and (English is: Spunbond+Meltblown+Spunbond Nonwovens); Be spunbond and joint product that melt and spray, it have powerful high, strainability is good, do not contain binding agent, advantage such as nontoxic.Fully-degradable polylactic acid fiber SMS compound non-woven further select for use among the Chinese patent ZL201010163359.2 disclosed and the protection fully-degradable polylactic acid fiber SMS compound non-woven.This non-weaving cloth is composited through autoadhesion or hot rolling by three layers of non-woven fabrics, and wherein the intermediate layer is the polylactic acid melt spraying non-woven fabrics, and the upper and lower in intermediate layer are the polylactic acid spun-bonded non-woven fabrics; This this non-weaving cloth surface density is 25～150g/m
2, thickness is 0.1～1.6mm, the longitudinal stretching brute force is 52.34～278.92N/5cm, and the powerful 45.45～260.86N/5cm of cross directional stretch, longitudinal fracture percentage elongation 3.06～12.78%, transverse breakage percentage elongation are 5.26～18.49%.
The dust granules 0.3 μ m level filter efficiency of non-weaving cloth is greater than 90%, and abrasion resistance index is greater than 6.22 times/mg, and bending rigidity is 0.6～5.0cNcm, and permeability index is at 158～466.21l/ (m
2S), permeable hydrostatic pressing is at 20～120cm water column, water repellency index contact angle＞120 °.
Wherein the filament fineness of the polylactic acid spun-bonded non-woven fabrics of the upper and lower is at 0.12～1mm, and surface density is at 10～100g/m
2, thickness is 0.05～1.2mm, the longitudinal stretching brute force is 25～150N/5cm, and the powerful 15～120N/5cm of cross directional stretch, longitudinal fracture percentage elongation 10～16%, transverse breakage percentage elongation are 15～21%.The web fibers of intermediate layer polylactic acid melt-blowing nonwoven is a superfine fibre, and its average fineness is 1.5～15 μ m; The thickness of this non-woven fabrics is 0.05～1.0mm, and surface density is 3～50g/m
2, the longitudinal stretching brute force is 5～30N/5cm, the powerful 3～20N/5cm of cross directional stretch, and longitudinal fracture percentage elongation 2～8%, transverse breakage percentage elongation are 3～12%.
This polylactic acid SMS composite non-weaving cloth has concentrated spunbond and the advantage that melts and sprays two kinds of technologies; More advantage is further improved; Not only have the stronger brute force of spun-bonded non-woven and certain elongation at break; Higher anti-wear performance, but also have the excellent filter efficiency of melt-blowing nonwoven and intercept water and antibacterial function.
This utility model can also increase other accessories on the basis that does not influence above-mentioned each parts and mass action effect, to reach better effect.
The beneficial effect of this utility model:
(1) the full-degradable disposable baby paper napkin adopt full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics and SMS composite non-weaving cloth to process raw material as it, make it can have better breathability, flexibility and filter efficiency.
(2) its excellent degradation capability has overcome the traditional disposable infant paper napkin and uses post-processing difficulty big, takes time and effort, and the drawback of contaminated environment easily develops in a healthy way to the harmony of human and environment and to have made certain contribution.
(3) solved because the management that factors such as flow of personnel, individual quality are brought is difficult the unified problem that reclaims difficulty.
(4) for green low-carbon environment-friendly new thinking and direction is provided.
(5) to a certain extent to the enlightening incentive action of the environmental consciousness of consumer.
(6) promoted the development of environmental protection industry, for it has injected new vitality.
(7) increased new competitiveness for product.
Description of drawings
Fig. 1 is a kind of structure assembling sketch map of this utility model.
Among the figure, 1-escorts water repellent layer, the 2-hydrophilic layer, and 5-wood pulp cellulose and suction macromolecule mixed layer, 6-refuses water-bed film, and 9-refuses water-bed layer.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment this utility model is further specified.
As shown in Figure 1, these natural complete biodegradable disposable infant paper napkin comprise hydrophilic layer 2, wood pulp cellulose and suction macromolecule mixed layer 5 from top to bottom successively, refuse water-bed film 6 and refuse water-bed layer 9; Be respectively equipped with two in the both sides of refusing water-bed layer 9 and escort water repellent layer 1, and the waterside of refusing of escorting water repellent layer 1 is fixedly connected with the dual-side of refusing water-bed layer 9; That escorts water repellent layer 1 refuses thickness that the waterside has flanging or refuse the waterside greater than the average thickness that escorts water repellent layer.
Above-mentioned each parts can interconnect through stickup or additive method, can also on the basis of above-mentioned each parts, increase other accessories (like belt tensioner or fixed strip etc.).Each several part in this utility model all is that biodegradable material processes, and the material that escorts water repellent layer 1 use is the SMS composite non-weaving cloth; The material that hydrophilic layer 2 uses is the full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics after hydrophilic treated; It is 100% natural wood pulp that wood pulp cellulose uses the material of wood pulp cellulose with suction macromolecule mixed layer 5, and macromolecular material (being called for short SAP) is separated for pure natural is high-fall; The material of refusing water-bed film 6 uses is that PBAT and PLA polylactic acid particle melt and spray the full-biodegradable film that processes; Refuse water-bed layer 9 employed material and be the full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics after refusing water treatment.Above-mentioned full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics select for use among the Chinese patent ZL200710131440.0 disclosed and the protection full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics; Above-mentioned SMS composite non-weaving cloth select for use among the Chinese patent ZL201010163359.2 disclosed and the protection fully-degradable polylactic acid fiber SMS compound non-woven.
Laterally escort the inner edge of water repellent layer 1 and outer side edges that bottom is refused water 9 is connected to a fixed, make it become a complete leakage protective system.In the actual use; Urine can be passed through hydrophilic layer 2 and got into wood pulp cellulose and suction macromolecule mixed layer 5; Urine is through the guide functions of wood pulp cellulose; Be evenly dispersed the whole surface of mixed layer, the stimulation that the suction macromolecule receives temperature begins to strengthen gradually its water absorbing capacity, with the urine absorption that gets into mixed layer.But if special circumstances; Urine get in a large number and flow velocity very fast, the macromolecule that absorbs water this moment also gets into the strongest absorbing state fully, urine will contact rapidly refuses water-bed film 6 and the composite bed of refusing water-bed layer 9; This composite bed can stop the seepage of urine fully; Add the protection that upper side escorts water repellent layer 1, urine just by complete locked at wood pulp cellulose and suction macromolecule mixed layer 5, is absorbed gradually.
Claims (5)
1. natural complete biodegradable disposable infant paper napkin is characterized in that these paper napkin comprise hydrophilic layer (2), wood pulp cellulose and suction macromolecule mixed layer (5) from top to bottom successively, refuse water-bed film (6) and refuse water-bed layer (9); Be respectively equipped with two in said both sides of refusing water-bed layer (9) and escort water repellent layer (1), and the waterside of refusing of escorting water repellent layer (1) is fixedly connected with the dual-side of refusing water-bed layer (9); Said hydrophilic layer (2) is made up of one or more layers full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics through hydrophilic treated; The said water-bed layer (9) of refusing is made up of through the full-degradation lactic acid polymer spun-bonded continuous yarn non-woven fabrics of refusing water treatment one or more layers.
2. the natural complete biodegradable disposable infant paper napkin according to claim 1 is characterized in that the said water repellent layer (1) that escorts is made up of one or more layers SMS composite non-weaving cloth.
3. the natural complete biodegradable disposable infant paper napkin according to claim 1, it is characterized in that said escort water repellent layer (1) refuse thickness that the waterside has flanging or refuse the waterside greater than the average thickness that escorts water repellent layer (1).
4. the natural complete biodegradable disposable infant paper napkin according to claim 1 is characterized in that the said water-bed film (6) of refusing is made up of one or more layers full-biodegradable film.
5. the natural complete biodegradable disposable infant paper napkin according to claim 1 is characterized in that the said water-bed film (6) of refusing melts and sprays the full-biodegradable film that processes by one or more layers with PBAT and PLA polylactic acid particle and constitutes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012200385316U CN202426733U (en) | 2012-02-07 | 2012-02-07 | Natural full-biodegradation disposable infant paper diaper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012200385316U CN202426733U (en) | 2012-02-07 | 2012-02-07 | Natural full-biodegradation disposable infant paper diaper |
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| CN202426733U true CN202426733U (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012200385316U Expired - Fee Related CN202426733U (en) | 2012-02-07 | 2012-02-07 | Natural full-biodegradation disposable infant paper diaper |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103976824A (en) * | 2014-04-28 | 2014-08-13 | 浙江珍琦护理用品有限公司 | Fully-degradable environment-friendly paper diaper |
| CN104873333A (en) * | 2015-04-23 | 2015-09-02 | 临安市振宇吸水材料有限公司 | Biodegradable disposable nursing product and production method thereof |
| CN107447368A (en) * | 2017-09-26 | 2017-12-08 | 昆山盛纺非织造材料研发中心有限公司 | One kind, which refuses to inhale, mutually melts MULTILAYER COMPOSITE non-woven material and preparation method thereof |
| CN108035076A (en) * | 2017-12-18 | 2018-05-15 | 山东恒鹏卫生用品有限公司 | A kind of preparation method of the hydrophilic cladding non-woven fabrics of medical high temperature resistant |
| CN110055793A (en) * | 2014-06-12 | 2019-07-26 | 尤妮佳股份有限公司 | Regenerate pulp |
| DE102020100310A1 (en) | 2020-01-09 | 2021-07-15 | Dongguan Zongzhi Jiance Ltd | A BIODEGRADABLE ABSORBENT MATERIAL |
| CN115233380A (en) * | 2022-03-29 | 2022-10-25 | 俊富非织造材料有限公司 | High-barrier spinning-melting composite non-woven fabric with moisture absorption at one side and production method thereof |
-
2012
- 2012-02-07 CN CN2012200385316U patent/CN202426733U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103976824A (en) * | 2014-04-28 | 2014-08-13 | 浙江珍琦护理用品有限公司 | Fully-degradable environment-friendly paper diaper |
| CN110055793A (en) * | 2014-06-12 | 2019-07-26 | 尤妮佳股份有限公司 | Regenerate pulp |
| CN104873333A (en) * | 2015-04-23 | 2015-09-02 | 临安市振宇吸水材料有限公司 | Biodegradable disposable nursing product and production method thereof |
| CN104873333B (en) * | 2015-04-23 | 2018-04-20 | 临安市振宇吸水材料有限公司 | Bio-degradable expendable nursing materials and preparation method thereof |
| CN107447368A (en) * | 2017-09-26 | 2017-12-08 | 昆山盛纺非织造材料研发中心有限公司 | One kind, which refuses to inhale, mutually melts MULTILAYER COMPOSITE non-woven material and preparation method thereof |
| CN108035076A (en) * | 2017-12-18 | 2018-05-15 | 山东恒鹏卫生用品有限公司 | A kind of preparation method of the hydrophilic cladding non-woven fabrics of medical high temperature resistant |
| DE102020100310A1 (en) | 2020-01-09 | 2021-07-15 | Dongguan Zongzhi Jiance Ltd | A BIODEGRADABLE ABSORBENT MATERIAL |
| CN115233380A (en) * | 2022-03-29 | 2022-10-25 | 俊富非织造材料有限公司 | High-barrier spinning-melting composite non-woven fabric with moisture absorption at one side and production method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20140207 |