TW200914668A - Non-woven fabric - Google Patents

Abstract

A hydrothermal-adhesion fiber and a high water-absorption fiber are made to become a mixed web with a mixing ratio (mass ratio) of hydrothermal-adhesion fiber/high water-absorption fiber = 20/80 to 80/20, and then the mixing web is heated by high temperature water vapor while being transported in a predetermined direction, whereby a non-woven is manufactured in which the fibers constituting the non-woven fabric are aligned, and the fiber adhesion ratio along a thickness direction in a cross section of the non-woven fabric is roughly uniform, to be 5 to 50%. This non-woven fabric has a low density and a lightweight in a dry state. When absorbing water, this non-woven fabric has an excellent water-absorption ratio, and shows an excellent expansibility in at least one direction, but has non expansion in at least one of other directions.

Description

200914668 IX. INSTRUCTIONS OF THE INVENTION: TECHNICAL FIELD The present invention relates to a non-woven fabric comprising a wet heat-bonding fiber, a j-absorbent fiber, and a mesh of other fibers as needed, and the special fiber is not used. A chemical adhesive or a special agent is a fiber that is fixed in a low-cost, light-weight, high-absorption rate, and which is caused by water absorption in the face-to-face direction. Further, the water-absorbing sandbag and the water-retaining sheet which are formed by the non-woven fabric. [Prior Art] A variety of water-absorbent articles suitable for water absorption or absorption of an aqueous liquid are known, such as a porous body such as a sponge, a water-absorbent gel, and the like. Among them, a highly water-absorbent article having high water absorbency is used in various applications such as diapers and water-absorbent sandbags after being inhaled by water between molecules of a hydrophilic polymer material. Among them, those who have high water absorption and rapid drainage by pressurization or the like are used for re-use of poems or water-retaining medium applications. In the superabsorbent article, the volume is generally swollen in the entire direction due to water absorption, and the volume expansion ratio changes due to the difference in distance from the surface of the liquid to be absorbed and the internal structure, so that it is difficult to (4) the state of expansion. This point not only restricts the arrangement of the articles, but also causes cracks due to deformation, which may cause leakage, and may also be a cause of hindering effective water absorption. Therefore, a method of controlling the water absorbing material by a material having a small volume which is expanded by water absorption is usually used, and as a result, it is not only complicated in manufacturing, but also has low water absorption property of the coating material and hinders expansion due to coating. Also 320019 5 200914668 - Reduces the water absorption of the water absorbing material. In order to improve this, for example, in Japanese Patent Laid-Open Publication No. Hei 01-304127 (Patent Document 1), there has been developed a resin which suppresses volume expansion due to water absorption, but this resin is inferior in principle in that the water absorption rate is low. In JP-A-H09-183856 (Patent Document 2), there is disclosed a water-absorbent resin which exhibits anisotropic expansion after water absorption by pressurization of a resin. Since the resin exhibits anisotropy due to the state of water absorption and relaxation before the pressurization and stretching, it has a property of expanding in one direction and shrinking in the other direction. However, this resin is gelatinized after water absorption, and causes the following problems: • Bloclang, which is difficult to reuse due to difficulty in dehydration, poor mechanical strength, and anisotropy of the resulting resin. Movement, etc. and time = loss. In addition, there have been a large number of non-woven fabrics showing high water absorption, and there have been a large number of patent applications, but most of them are almost the same as the Japanese 2〇〇3-_(4) bulletin (Patent Document 3)#, in An example of the hydrophilicity of the interface-active non-absorbent resin (SAP) and the polymer-absorbing (four-phase) in the non-woven fabric in which the water-absorbent fiber such as an alcohol-based material is mainly used. However, the non-woven fabric is swelled by water absorption. The resulting ruler has hardly been revealed in detail. ', in particular, the use of wet heat bonding fibers; = one _ bulletin (patent literature heart: such as: the ear of the ear than the ethylene unit B Rare-Ethylene fiber No. 320019 6 200914668 • Weaving. The purpose of this invention is to expand the ethylene monomer by water, and to carry out the addition of the ethyl ethoxylate in the state of contacting the heating body. Obtaining fluffiness, softness, and sufficient strength: to carry out the fiber cloth. However, there is no mention in this document about the dimensional change accompanying the non-woven fabric (4), and further, the description in this document is only in contact with Part of the heating body When the heat is fixed in the heat, the amount of heat that has been added to the heated water is used, and the central portion of the temperature is not measured to promote the sound of the house too a ώ * ..., ", D is easy to push the fiber _ the fiber that is connected to the central portion. 'It is very difficult to show that it has been smashed. 'Λ日本本特开脏-115161 bulletin (patent document w has been revealed. Water is impregnated with a fiber network composed of ethylene_B_ And the fiber structure which is heated to fix the fibers between the fibers. However, (4) the water absorption of the fiber structure and the information on the dimensional changes before and after water absorption are completely undisclosed. In fact, it is more clear In addition, it has been proposed in Japanese Patent Publication No. 7_51312 (Patent Document 6) that the degree of water swelling is three times or more. An absorbent sheet for lamination having an integrated protective sheet on both sides of a water-absorptive nonwoven sheet comprising a copolymer of an acrylate-based residue as an essential component. In the above-mentioned superabsorbent fiber, a heat-adhesive fiber such as a polypropylene or a polyester is mixed with hot air, and the heat is heated and heated, and the heat is applied to the heat-absorbing fiber. Further, in Japanese Patent Laid-Open Publication No. 2006-45730 (Patent Document 7), 320019 7 200914668. Proposed: Fiber non-woven fabrics containing 5 to 6 % by weight of an adhesive fiber having a fineness of 0.5 to 2.7 dteX and a water-absorbent fiber 4 to 9 (10) having a water absorption of 200 to 3 %. There is an example of a propylene group with a carboxylate group = = as an example of a fiber, and a polyolefin-based heat-thin fused fiber, as an example of an adhesive fiber, and is described as a more adhesive fiber. The heat-absorbing temperature to the temperature of 2rc is followed by heating of the water-absorbing fibers by the fibers. However, in the non-woven fabric in which the heat-bonding fibers are fixed, since the inside of the t-non-woven fabric cannot be uniformly obtained, the expansion of the structure cannot maintain sufficient fibers, and the form is easy: "= 疋 疋, when 逄 疋This tendency becomes stronger when non-woven. ^ ‘When the river or the gutter, the special water level rises due to the influence of the concentrated rain and the wind, so that the surrounding water is entitled to water and water, and the two sides are sandbags. In recent years, the use of water-absorbing sandbags which are light in weight and easy to handle during drying has gradually increased. For example, in the Japanese Special == Coffee No. Gazette (Patent Document 8) _== This sandbag is a biodegradable cellulose sponge that is dried: a small-sized plate-shaped sponge, and is highly absorbent After the sponge is placed in a sandbag, it is made of a sandbag. Gu Yi and 'The slab-shaped sponge attached to the water-absorbing polymer between the water-absorbing bodies belonging to the sandbag disclosed here, due to the suture around the sponge, and has been placed in a person's main / laminated into two pieces will be rectangular ^ two = 2 bags, so the sandbags are not stacked in sandbags or side by side 'in the = ": the shape of the two shapes. Therefore, the gap between the two (3) will be reported. In addition, 320019 8 200914668. In order to improve the water absorption The polymer powder is adhered to the plate-like sponge body, but the powder which is not in a sufficiently adhered state is transported, etc., and if it is caused to vibrate, it may be detached from the slab, or may be leaked through the gap between the plate sponge and the sandbag bag. The possibility of the exterior. And 'this plate sponge system has also been disclosed as a cultivation bed for seedlings, seedlings, etc. In other words, a cylindrical recess is formed in the plate sponge, and the recess is used as a seedbed. By sprinkling water to keep water, it avoids the trouble of watering the seeds or the trees. However, since the dimensional changes and morphological changes caused by water absorption are still insufficient, it is difficult to use them. In the case of the seedlings and the like, the number of seedlings and the like is finally cultivated: the shape of the field and the use of a specific shape or pattern configured by the configuration, and the method of correctly arranging the target number of seedlings in a narrow place, etc. [Patent Document 1] Japanese Patent Laid-Open Publication No. JP-A No. Hei. No. Hei. No. Hei. No. Hei. No. Hei. No. Hei. Japanese Patent Publication No. Hei. No. Hei. No. 2006-45730 (Patent Document 8) Japanese Patent Application Laid-Open No. Hei. No. Hei. A report (problem to be solved by the invention) The object of the present invention is to provide low-density water absorption and rapid drainage, and to be excellent in / in weight, in a specific direction 320019 9 200914668 small change in size and The non-woven fabric of the rule and the manufacturing method thereof. The other object of the present invention is to provide a non-woven fabric which is expanded in the thickness direction, p is loosened, and is not damaged by expansion, and a manufacturer thereof. A further object of the present invention is to provide a method suitable for repeated use, which does not need to be coated to control the shape by other media, and has a degree of freedom of arrangement and can suppress the generation of a gap, thereby suppressing water leakage from the gap and being efficient. Non-woven fabric for water absorption and a method for producing the same. The other purpose of the present invention is to provide a sand-washing sheet and a water-retaining sheet suitable for use in seedling beds, seedlings, and the like. (Means for solving the problem) In order to solve the above problems, it has been repeatedly researched and found to have a low density, light weight, and excellent water absorption through the use of wet heat-bonding fibers to obtain a low density, light weight, and good water absorption. The present invention has been completed on the basis of a small dimensional change in the direction and a regular non-woven fabric. The water-based non-woven fabric is composed of the wet heat-bonding fiber and the "representative fiber and the above-mentioned high _. to δ0々0: the cloth, the fiber/superabsorbent fiber direction is roughly the same, and is, =1 fiber followed by After the water is absorbed in the thick dry state, it is absorbed by t2 50%. The dimensional change caused by the second time can be less than 5.0%, and in the thickness direction, it can be wider than the coffee. 320019 10 200914668 - The density in the dry state may be from 〇〇3 to 〇3g/cm3 and the water rate may be 50% by mass or more, and in the thickness direction: the surface is divided into three equal parts in the thickness direction. The maximum value of the adhesion rate in each region may be greater than 50%. The south water-absorbent fiber system may be selected from the group consisting of a base group or a base thereof. It is composed of a gram = pro = tr complex (for example, S containing a poly(meth)acrylic polymer or a pot). The aforementioned wet heat contiguous fiber can be from 10 to 60 straight by a ethylene unit: g: .··» r γ 里性树浐... Enol-based copolymer, and non-wet heat, and 埶2 The above-mentioned ethylene-ethylene glycol-based copolymer and the above-mentioned non-top-linking copolymer may constitute at least a part of the surface of the wet heat-bonding fiber in the longitudinal direction. The fiber can be a rabbit, a γ sheath, and a core composed of a polyether copolymer. The core-sheath composite fiber sandbag formed by the core of the 3 domain and the water-in- The water absorbing composition comprising the non-woven fabric comprises the following steps: the method for manufacturing the non-woven fabric, the step of mixing the web, the grading fiber and the superabsorbent fiber are made into a γ-line heat treatment: High-temperature steaming (the effect of the invention) In this month, since the oriented fiber is uniformly woven with the wet heat-bonding fiber 320019 11 200914668, it is low in density, light in weight, and has excellent water absorption, and has rapid drainage. In addition, it is possible to achieve a small dimensional change in a specific direction and a dimensional change in a specific direction when water is absorbed. In particular, it expands in the thickness direction, and even if it is a fluffy shape, the shape does not Inflated and destroyed. And, therefore, it is suitable for repeated use, it does not need to be coated to control the shape by other media, and the degree of freedom of configuration is high, and the gap can be generated, so that water can be efficiently absorbed. This kind of non-woven fabric can easily control the shape, and because of high water absorption, high drainage, easy setting and removal, it is suitable for repeated use and suppresses the generation of cracks, so it can provide water absorption effect. The problem has been improved, the sandbags, and the materials suitable for seedlings, seedlings, etc. [Embodiment] [Non-woven fabric] The furnace is in the shape of a day (4) (4) The super absorbent fiber and the (four) adhesive fiber are made into a 'mother' The action of water vapor causes the fibers to follow at the intersection with the wet heat-bonding fibers, that is, the formation of ", water absorption and water absorption, and apparently appearing on the second: ==, and toward the non-woven fabric: direction a +丄☆ 丨w knife π < size change is very small. The non-woven fabric of the invention is a non-woven fabric that retains lightness, water absorption and water absorbing properties, and drainage which is rapidly drained by (4). The non-woven fabric is formed by mixing the wet heat bonding fibers with the super absorbent absorbent woven fabric, and then exposing the hybrid web to a high-temperature plugging gas, a mixing machine, by a belt type. That is, it can be efficiently produced 320019 12 200914668 . In this method, in the continuous operation of the belt conveyor... the constituent fibers of the net are oriented on the belt flat web with the belt type wheel conveyor, and in other words, the residual aspect of the μ side is further Adjust the speed of the belt conveyor, etc., γ in the plane direction. The length of the conveyor is parallel to the length of the conveyor plus two pairs of heat treatment with the Ehrli steam, and can be uploaded to the uniform fiber rate in the direction perpendicular to the surface::. In other words, because the ancient system penetrates into the thickness direction of the hybrid mesh, the total H-treatment airflow -^n Μ., κ. consumes the country and then the damp heat then follows the "other":: hair:: long = degree means In the direction of the line of the continuous manufacturing method 2, the direction of the production line is the direction of the flat line, Μ . 情形 In the case of weaving, ^ ^ " as in the manufacture of the belt conveyor The width direction of the belt feeder is the vertical direction. Clothing (wet heat bonding fiber) The wet heat bonding fiber used in the present invention may be composed of a resin. In the present invention, the second to the 〉, by the damp heat grease, refers to the use of ancient, wp At± to show the wet heat of the tree stalks can be easily ~ (4) water softening can be revealed Adhesive resin. In particular, water or high-temperature steam (for example, water vapor of about 80 to 15 G ° C (more preferably, heat (10) to 11 generation) can be softened from other fibers, followed by thermoplastic resins, for example, Shuteng = reciprocal Cl_3 daidyl cellulose or its salt with vitamin W cellulose, ethyl cellulose, (= t roll ^ 2-3 burning base fiber 320019 13 200914668 - vitamins, slow methyl cellulose, etc.

Polyethylene oxide (polyethylene oxide, polyoxygenated (tetra), etc.), polyoxyethylene U polyethylene resin (polyethylene (four), polyethyl _, ethyl ethoxylate, poly _ _ jun, etc.), acrylic polymer and its salts [including soil composed of poly-p-acrylic acid, (acrylic acid monomer such as methyl acetonide)) copolymer or its metal salt, etc.], modified ethylene copolymer (Iso Ding Er: straight a polymer such as a copolymer of ethyl or the like, a copolymer of an unsaturated citric acid such as maleic anhydride or an anhydride thereof, or a salt thereof, or a derivative thereof (imported with a rhein-based thiol group, a thiol group, etc.) Poly vinegar, poly = poly benzene = called aliphatic poly I woven (poly emulsified two ^ :. Bu, also contains polyolefin resin, polymer resin core, water, two water vapor) temperature softening However, it can be seen that the T孰=wet heat adhesive resin can be used singly or in combination of two or more. The t-resin resin is usually composed of a hydrophilic or water-soluble high-two-two: an adhesive resin, and an ethylene glycol-based system. Copolymer such as copolymer, such as ethyl acrylate, methacrylate, etc., containing poly(lactic acid) resin, containing (meth) propyl sulfonamide mono-" olefin; Γ 共聚物 copolymer (especially containing ethylene or propylene “匕2, the ethylene-based copolymer of the early sputum is better.” t 疋 乙 乙 乙 乙 乙 乙 乙 Γ Γ Γ Γ Γ Γ Γ Γ 更 更 更 更 更 更 更 更 更 更 更 更 更 更 更 更 更 更 更 更 更 更 更 更The best is about 20 to 55 mol%, 0 to 50 mol%). This kind of Ethyl alcohol copolymer 320019 14 200914668 • has a wet heat bond, but has the benefit of being in the process of retaining non-woven fabric. ;;========================================================================================================== It is easy to shift 'so it can't be squared (4), even sometimes it will produce a full-degree. In addition, if the proportion of ethylene unit is too much, it will be reduced due to the brightness, and it will be caused by damp heat. ^ It is difficult to show the fiber drop, so it is difficult to obtain the target non-woven fabric because it is difficult to make the center of the thickness of the fiber 1. It is difficult to obtain the target non-woven fabric. 〇 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Heat stability and stability; = and reduce stability. On the other hand, if the degree of inspection is more than the J fiber, the ruthenium itself becomes difficult to manufacture. The average polymerization degree of the ethylene-ethylene alcohol copolymer can be as needed. , for example, in the range of 200 to 2500 (preferably in the range of 300 to 2000, more preferably: = rr:: copolymerized woven wet heat bonding fibers (perpendicular to the length of the fiber; 2; | surface shape) A circular gas T that is not limited to a normal cross-sectional shape in general: a profiled profile [flat, elliptical, polygonal, 3 to 14-leaf-shaped, pre-shaped, H-shaped, V-shaped, dog-bone-shaped (I-shaped) Etc.], can also be in the 320019 15 200914668 - empty profile and so on. It is composed of a plurality of resins of damp heat-bonding fiber resin, and has a wet heat bond at least on the surface of the fiber: at least: fiber. The composite fiber system may be a wet resin which is wet-heated from the adhesive (4), but it is preferable that the wet heat-bonding tree wax continuously occupies at least a part of the surface in the longitudinal direction. The η upper continuous wet heat contact fiber occupies the surface, for example: core type, sea t cross section structure system ^ ^ island type, side by side type (side by side s s fit type, radial fit type, random composite 2 It is also possible to apply a fiber of ",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, In the following, it is preferable to connect the core-shaped structure of the nature by the wet heat-bonding resin in the longitudinal direction (in other words, the core-sheath type structure in which the crotch part is composed of the damp heat and the sap of the tree). In the case of composite fibers, the wet heat-adherent wax can be rented, but it can also be combined with a non-wet heat-adhesive resin. The non-wet heat is connected even if there is a water gauge ten........ ί月曰It is also possible to use a fiber of a composite fiber which can achieve the object of the present invention as long as it is a non-wet heat-adhesive resin. , is not particularly limited, but from the perspective of its versatility, productivity and manufacturing costs For example, a polypropylene resin, a (meth) (tetra) acid bismuth resin, a chloroethylene compound resin, a phenethyl styrene resin, a polyfluorene sylvestre, a (tetra) amine oxime resin, a polycarbonate resin, a poly An amine vinegar resin, a plastic elastomer, etc. These non-wet heat adhesive resins can be used singly or in combination of two or more. 320019 16 200914668 . The invention is directed to a specific factor containing such a size. Fiber of stability resin. 'The fiber with excellent stability resin in the direction of the orientation direction of the orientation is along the non-woven fabric: the surface is made to have the dimension to the thickness direction and the direction of the apricot is slanted, so that the non-woven fabric can be made. The direction has the priority to change, in order to modulate the non-woven fabric of the thickness of the month 1 inflammation, the orientation direction of the fiber is oriented to make the surface tree wax. In particular, the door is extremely heavy in the thickness direction. The fiber system can be further defined in the direction of the face of the face (for example, the county sounds ancient ^ 疋 to the parallel single direction such as: relative to the thick sound side ... two " plus "this morning - direction (example. Another - side And, 1 degree direction) size stability m § When it is desired to suppress the expansion in the plane direction as much as possible, and only impart the expansion property in the thickness direction, the fiber orientation can be randomized in the direction of the surface of the mouth. In order to improve the swelling property of the non-woven fabric of the present invention, it is preferable that the superabsorbent fiber described later is also required to have a complete orientation of the fiber containing the dimensionally stable resin and the superabsorbent fiber. However, it is possible to easily manufacture a non-woven fabric by making the direction of the fibers slightly smaller, and it is possible to improve the expandability (especially the expansion in one direction). The confirmation of the orientation direction of the fibers can usually be performed using the scanning type of the gas surface. Observation by electron microscopy (SEM). In addition, when the orientation of the specific direction is weak, or when the density of the fiber is high, etc.: observation = difficult, the expansion rate of the non-woven fabric due to water absorption is confirmed. Directional dependence can also be presumed. Among these non-wet heat-adhesive resins, resins having higher heat resistance and dimensional stability 320019 17 200914668 = higher melting point than wet heat bonding _ (especially ethylene-ethylene alcohol copolymer) (For example, the ear 曰 i, for example, a polypropylene resin, a polyester resin, or a polyamide resin) is preferable. In particular, from the viewpoint of excellent balance between heat and fiber formation properties, The ratio of the vinegar resin, the polyamidamine (tetra) alcohol, the cyclohexane-1,4-dimethanol, and the polyethylene glycol unit to about 20 mol%. The polyamine-based resin is, for example, an aliphatic poly-U female and a copolymer thereof, such as polyamine 6, polyamine (10), polyfluorene, polyamine 10, polyamine 12, polyamine 6_12, or the like. The semi-aromatic polyamine synthesized by the aromatic ditoxaic acid and the aliphatic diamine is preferred. Among these polyamine-based resins, other units which can be copolymerized may be contained. Polycyclic saplings are aromatic polyester resins such as poly C2_4 aromatic acid vinegar resin (poly sulphuric acid ethane), polyacrylic acid propylene glycol, bismuth citrate, poly It is preferable to use naphthalene dicarboxylate or the like, and in particular, it is preferable to use a polypyridyl acid bismuth vinegar tree such as Qing. In addition to the element of the sulphuric acid ethylene sulphate, the succinic acid can also contain other acids (eg, phthalic acid, naphthalene-2' 6-dicarboxylic acid, citric acid, 4, 4). An aromatic dicarboxylic acid such as -diphenyldicarboxylic acid, bis(carboxyphenyl)ethane, 5-n-propenyl citrate, or an aliphatic diacyl acid such as azelaic acid, adipic acid or sebacic acid Or a diol (for example: diethylene glycol, 1 > 3-propanediol, ], 4-butanediol, 1,6-hexanediol, neopentadiene butanediol, etc.) In the fiber fiber, the ratio (mass ratio) of the wet heat adhesive resin disk non-wetting heat-adhesive resin (size stability resin) can be selected according to the structure (for example, (four) type structure) as long as the wet heat adhesive resin is present on the surface. It is not particularly limited, for example, wet heat adhesive resin/non-wet heat 320019 18 200914668. Adhesive resin = 10/90 to 90/10 (preferably 2 〇 / 8 〇 to 8 〇 / 2 〇, more preferably 3G / 7) () to around 7G/3()). When the mass ratio of the moist heat-receiving resin constituting the fiber is too large, the other resin does not maintain the form of the fiber, and it is difficult to sufficiently maintain the strength of the composite fiber itself. On the other hand, if the mass ratio of the wet heat bonding resin is too small, the amount of the wet heat bonding resin is small, so that the resin layer cannot maintain the fiber form, and the wet heat bonding resin layer is continuously changed not only in the longitudinal direction. It is extremely difficult, and only in this proportion can not maintain enough fiber and then strong production. : constituting a wet heat-bonding fiber comprising a vinyl-vinyl alcohol-based copolymer having an ethylene unit content of 10 to 10% & %, and a fiber-forming polymer non-wet heat-adhesive resin different therefrom, and The mass ratio of the components is: Μ to 10/90, and the aforementioned ethylene-B-based copolymer continuously occupies the portion of the fiber surface in the length I, that is, the dimensional change rate in the longitudinal direction can be effectively suppressed, so . In such a wet heat bonding fiber of the present invention, the 'hydrophilic lanthanide in the composite fiber is exposed to the entire surface, and is water-repellent and contributes to dimensional stability/distraction' without deduction. Water absorption can maintain the size of the female, so it is good. In particular, the wet heat is followed by the cross-linking of the fibers, and the components are composed of a vinyl alcohol-based copolymer, which is composed of a fiber-forming polymer, and the above-mentioned materials are polyester-based resins. Cheng t. Further, 'the dimensionally stable resin composite fiber constituting the fiber absorbs water as much as possible, and it is made to be strong. Therefore, it is extremely important that the size of the fiber in the longitudinal direction of the fiber is changed to σ. Because, 320019 19 200914668 .= This composite fiber is exposed to water and absorbs water, and the size of the female compound resin in the length direction is hardly changed in size. Therefore, and = water absorption _, _, series Because of the water absorption (four) expansion, but the long Γ = ΓΡ is subjected to the hydrophobic resin (size stability tree wax = system), so it mainly expands in the direction of the thickness (circumferential direction) to produce dimensional changes, so that the expansion can be controlled. 6. A octa 2 For example, if the fibers are oriented in a flat direction, it is easy to adjust the expansion direction to a thickness ratio mainly toward the thickness to the dimension. For example, 1 to 5 is a 3 to 4 〇i More preferably, the ratio is 5 to 30%, and the special number is 1 to 2, and the number of crimps is, for example, 1 to 彳Λ n / 卜 ' 2-, better system! to 3 〇: 9 M (better 5) One is arrogant 1U to 30/25 is about 。. (Superabsorbent fiber) The purpose of the non-woven fabric of the present invention is The size-denatured fiber system is required to be combined with wet water, and only the water-based fiber 'the tree with high water-absorption property' is water-borne and swelled by water absorption! The fiber of the polymer is limited to 'but it is preferable to use a hydrophilic group, for example, a hydroxyl group, a salt group thereof, an ether group, etc.. The salt is fine, the earth-based, the sulfonic acid group or the like alkali metal salt, calcium is equal to Two-degree columns such as 'metal salts (for example: sodium or potassium water-based systems can be used alone or in combination of two or more. I specifically for such a hydrophilic group can be on the same chain or end, etc. The side of the polymer of the water-absorbing fiber is introduced by the graft, but from the point of maintaining the high water absorption of 320019 20 200914668, the monomer constituting the main chain of the polymer itself has a hydrophilic group. The early system can be exemplified by (meth)acrylic acid or cis-succinic anhydride, unsaturated, acid or its salt, ethylene ether derived from vinyl acetate, ethylene oxide (oxyethyl) a forming compound, etc. These monomers can also be used alone or in combination of two or more. The water-based fiber system has high water absorption, and the moisture absorption of pure water (base 7) is, for example, h 5 to 1 〇〇〇mi 々 (preferably 2 to g is better, 1 G to 3 GG ml 々, especially good) 5G to 2GGml/g). 2 The so-called pure water (four) amount, the meaning of (four) fiber material in the water relative to f net sieve after the water weight of the self-weight. And articles:: aqueous fiber and the aforementioned wet heat bonding fiber Different, it is composed of a compound (that is, it is not composed of high-temperature steam (or the aforementioned hot water), and a polymer of a degree (usually a cross-linking polymer)) For example, if there is no melting point or a melting point of the polymer, it is, for example, more than 1 ', to 300 C, and more preferably 130 to 250 DC. Left: ^ The water-based fiber has such a non-, 曰 w w heart 〇 C or so). The carboxylic acid-based polymer which constitutes the superabsorbent fiber can be moderately maintained by the high-temperature steam in the appropriate range. [Example: starch "column such as: unsaturated poly(meth)acrylic acid or stupid) propylene-copolymer or its salt, salt, ethylene-cis-butyl:: wild total two::: dianhydride copolymer or - Ethyl alcohol copolymer or its salt, butyl, poly(meth) acrylate maleic anhydride copolymer or its 320019 21 200914668 salt: cross-linking of such copolymers, etc.], high water absorption A polyamine vinegar resin (such as an amine ester resin using a diol as a diol component), a polyether polymer (a knives, a polyethylene oxide, etc.), or a vinyl alcohol polymer (for example, a poly a cross-linked product of a vinyl alcohol-based polymer, etc.), a cellulose derivative [for example, ethyl cellulose, (tetra) alcohol cellulose such as "base cellulose", (tetra)-based cellulose or j salt, such cellulose derivatives Crosslinks, etc.]. These polymers can be used singly or in combination of two or more. Among these polymers, from the viewpoint of having high water absorbability, an unsaturated citric acid-based compound (particularly, a poly(fluorenyl)acrylic polymer or a royal salt) is preferred. The poly(meth)acrylic polymer is a polymer which is (meth) propylene = as a main polymerization component, and may contain other copolymerizable monomers as a polymerization component. Other copolymerizable single-systems include, for example, other *saturated monoacids (eg, crotonic acid, etc.), unsaturated monocapry vinegars (for example, (meth)propionic acid, (methyl) Acetate such as acetonitrile (meth)acrylic acid, such as Ch-based vinegar, etc., not (saturated dicarboxylic acid [maleic acid], methyl maleic acid (C々acGnic acid) (4), sub Methyl succinic acid (1) (10) ... deduction (4) traits such as unsaturated di(tetra) or its anhydride, etc., unsaturated nitriles (for example: (meth)acrylonitrile, etc.), _ monomers (for example: ethylene or propylene Etc such as c "t, etc.), aromatic vinyl monomer (for example: styrene or vinyl toluene ^), alkyl ruthenium (for example: methyl vinyl ether or ethyl vinyl) Ethyl group _, etc., etc. These comonomer systems can be used alone or in combination of two or more. σ In addition, U methyl) acrylic polymer can also be mixed with vinegar such as temple powder 320019 22 200914668 or polyethyl b. Where the hydrophilic polymer unit is bonded by block or graft. Second and: poly (T-acrylic acid polymer can also be, for example, a polyol [Example. (poly) ethylene glycol, (poly) C A cross-linking agent such as an alcohol or the like, a polyvalent metal compound [for example, a compound (hydrogen (tetra)), a compound (hydrogen), or a poly(methyl)-propyl-glycolic acid polymer or a salt thereof. In view of the water absorption, it is preferable to use a poly(methyl)acrylic acid alkali metal salt such as poly(T-based) sodium acrylate as a main component. Specifically, s, high in the market. The water-absorbent fiber is, for example, "LA Cong L (registered trademark)" manufactured by Tosoh Co., Ltd., or "BELL OASIS (registered trademark)" manufactured by Seiko y (Teijin Fiber Co., Ltd.). The ratio of the fibers is selected from the group consisting of damp heat-bonding fibers/superabsorbent fibers (four) two to:; 嶋佳系75/25 to 3〇/7〇, more preferably 7〇/3〇 to 4〇/6〇 (example) $ 65/35 to 45/55)) The range around. The ratio of the superabsorbent fiber that can be mixed a is actually 80% by mass. If the ratio exceeds this ratio, the fiber cannot be sufficiently adhered and fixed, and it is difficult to control the dimensional change of the absorbing π. Not good. In particular, in the center of the thickness of the non-woven fabric. Gentlemen are more difficult, so they are not good. In addition, when the superabsorbent fiber does not reach the quality, it is not good enough to maintain sufficient water absorption. (Other fibers) In the non-woven fabric of the present invention, other fibers other than the cut-off dimension may be mixed at the time of manufacture as needed. Other fibers are non-wet heat-bonding fibers other than the above-mentioned high water absorbability, and may be, for example, m fibers (poly, sub-fusing & B-fibers, poly-p-propyl fibers, polypyristate) 2320019 23 200914668 - ray fiber, aromatic polyester fiber such as polyethylene naphthalate fiber, etc.), polyamine fiber (polyamide 6, polyamine 66, polyamine u, poly(tetra) ruthenium, poly Aliphatic polyamine fibers such as indoleamine 610 and polyamine 612, alicyclic polyamine fibers, semi-aromatic (10) amine fibers, polyfluorene-phenylenediamine, poly(p-hexanediamine), poly醯 醯 醯 料 芳 四 四 四 四 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 ), polychlorinated fiber (polyethylene fiber, bismuth fiber Ch Ekun, chloroethylene-cobalt sulphuric acid, vinyl chloride-acrylonitrile copolymer, wavy (bias-tea r test # 爻 fiber, quasi Etc.), polyvinylidene chloride fiber I material fiber), "Stup dance ^ benZ〇bisoxazoie" fiber 3 CP〇lyparaphenylene such as · screw fiber, acetate fiber: two τ fiber Two cellulose sputum, or water absorption: Ge: In the axial dimension, when it is necessary to control the quality of cotton, wool, etc. (4) Low cost, etc., for example: vinegar fiber, poly 醯: Department: Wei Weiying, etc. Regenerated cellulose fiber; or synthetic fiber, such as poly-dimensional, polyethylene-based fiber, etc.:: series: the whole system of polyester and polypropylene fiber cloth is in the 〇〇^牛, so the mixing ratio of the fiber is mixed with the non-woven The fiber is more than about 0.1 to 20% by mass. Significantly lower, so it is not good. If the shell is set to %, the target's water-swellable non-woven fabric (or fiber) will be richer, and the conventional additive will be further used. 320019 24 200914668 'Example: stabilizer (such as copper compound and antioxidant, antioxidant, etc.), , UV absorber, light stabilizer, resist _, plasticized tackifier, microparticles, colorant, anti-^ ^ a ^ ^ 4 ?f #i' # - ^ ^ ^ ^ ^ ^ Spice, fluorescent 捭White agent training, anti-fungal agent, matting agent, heat storage agent, and more than two kinds. The i f additive can be contained in the fiber alone or in groups. "Additives can be carried on the surface of the non-woven fabric, and also (the characteristics of the non-woven fabric). The average water-absorbent fiber of the fibers used in the present invention is in the range of the right side, and is selected from 0.01 to 100 dtex respectively. <Dry IsJ, for example: 〇1 better instrument R R ln . to 50 dtex (preferably G. 3 to 30 dtex, ', . to 10 dtex, especially good 1 to i 〇 dtex) left six, dominant fiber Shooting as an example) right, wet heat is connected to h, to 5dtex (preferably 1. 5 to 3. 5dtex), and it is difficult to make the fiber itself difficult to manufacture, and the fiber itself becomes difficult, and the fiber strength is changed. Therefore, the non-woven fabric of the present invention becomes difficult to restrict the expansion in the longitudinal direction. In the internal structure of the non-woven fabric of the present invention, it is in the vicinity of the father's fault point between the fibers that it is absorbed but not completely. This portion retains moisture in the fiber resin which is not woven and received. However, if the nonwoven fabric is too thick, the target + is too large in the vicinity of the intersection of the four fibers = too large (4) to maintain sufficient moisture in these voids. The water absorption is easy to reduce. Such fibers (wet heat-bonding fibers, superabsorbent fibers, JL-green average fiber lengths are, for example, 1 〇 颜 (e.g., preferably 25 320019 25 200914668 to 75 mm, more preferably 4 〇 to 6 〇 mm) If the fiber length is short, the formation of the web becomes difficult, and the degree of interlacing with other fibers in the web is lowered, so that the knot 3 is sufficient to ensure the strength of the non-woven fabric and the length of the expansion when it is expanded. When the fiber length is long, it is difficult to form a fiber web having a uniform weight per unit area, and the intertwining between the fibers at the time of forming the mesh is complicated, and the fibers are conspicuously bound, and the result is likely to hinder the thickness direction. In the case of expansion, then, in the present invention, the composite fiber composed of the wet heat adhesive resin and the dimensionally stable resin is reticulated, and the fiber is fixed into a hard non-woven fabric, and the fiber is formed. For the net, a direct method such as a spimbonding method or a melt-blown method may be used, or a staple fiber may be used, and a dry method such as a method or a gas flow method may be used. It is advisable to use a random network, a semi-regular net, a parallel net, an interlaced net, etc. for the mesh system. The constituent fibers of the jinke/cheng, 罔, 罔, (wet heat-bonding fibers, superabsorbent fibers, and other fibers as needed) The points which are arranged substantially in parallel in the direction of the mesh surface are extremely important. In the present invention, the fibers are arranged in parallel along the mesh surface, and the heat treatment is carried out by the irony. The money is melted and then deformed, or a part of the object fiber f is clamped, so that the super absorbent fibers (and other fibers) are intertwined between the wet and hot fibers and the surfaces are prevented from falling off each other, and the fibers are further removed from each other. Each of the solid m-woven fabrics has a substantially parallel: the face of the column and has a structure in which the fibers are stacked in the direction perpendicular to the face, since the fibers are oriented in the direction of the face, and after the sheets are absorbed, Fiber 320019 26 200914668 The surface direction (length and width direction) of the surface is oriented, so the length is generated in several directions, so the sheet in the plane direction is not produced: no layer is formed and there is a gap, There is no dimensional change. In addition, there is a fiber layered in the thickness direction, so the expansion occurs in the direction of the suction, and the sheet expands in the thickness direction.... The monthly diameter of the fiber is large, and the water absorption = the action is inhibited by the fiber. , and will hinder the non-woven suction direction = will prevent the new water from being generated due to expansion, so it is not particularly embarrassing. When the fiber is a wet heat-bonding fiber, the fibers will be followed in the full direction. Fixed, so it is not good. Moreover, the fiber extending in the thickness direction will cause extra voids in the woven fabric in the vicinity. Although I have to keep the private absorption due to the swelling of the fiber. Degree can be, but when it exceeds this size, it will form a filled void, and as a result, the water absorption rate will decrease, and the second guild/when: empty === the fiber expansion caused by water absorption, and the fibers move in the direction of filling this: It is possible to complicate the morphological change, and this is closely related to the dimensional change of the omnidirectional direction of the cloth, which is not preferable. Therefore, in the case where the thickness direction of the non-woven fabric is increased, the possibility of the unevenness of the cloth is increased by one, and the non-woven fabric of the present invention is used in the shape of the knife 4, etc. From the cut SI:::: 320019 27 200914668 ': Around, or after cutting into small pieces, the shape cannot be maintained, and it becomes easy to disperse and 'is roughly arranged to be parallel to the sheet surface.>> The surface is in the vertical direction (thickness two (two):::: row: the part of the repeating state. More specific: when observing any section of the non-woven fabric without micro-mirror, within 30% of the thickness of the non-woven fabric The ratio of the existence of the fiber of the stretched fiber (the fiber direction and the continuous direction of the full roll to the "(10) number ratio) is in a state of 10% or less (especially 5% or less) with respect to the fiber on the cross section. In the non-woven fabric, the intersection of the constitutive fibers is melted, for the sake of:, ! = this is the case where the number of points is less than the number of points with the damp heat, and the point where the fusion occurs is the point ί from the point of structural stability. , this distribution is good 'too: the surface to the inside is higher Uniformly more months of non-woven fabrics are thus in a state of continuation, and can be protected with a bit of enthalpy. In the non-woven fabric of the present invention, there is a fibrous water-swelling: two: Γ the part of the fiber-soluble joints is significantly visible. As the other side changes in the direction of the dry ^, it is difficult to maintain a uniform water-swelling expansion and then the point, the scorpion shape s stability, if the fiber is added in the present invention, the water absorption of the surface is reduced. = heat treatment ', and can obtain a non-woven fabric with a fiber fusion of 1 and 1. It means that the fiber is roughly uniform in the direction of the dryness of the alum, and the back is the opposite (x reverse). - the surface of the side to the inside (center) and the surface, the ratio of the number of fibers in the cross section is in the range of 320019 28 200914668 •. However, when the surface of the non-woven fabric is processed, the surface is processed. t, 虔 虔 或 或 或 或 或 或 经由 经由 经由 经由 经由 经由 ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― ― 经由 经由 经由 经由 经由 经由 经由 经由 经由 经由 经由 经由 经由 经由 经由 经由Follow-up of the fiber The measurement is carried out in the following manner, and the ratio of the number of the cross-sections of the fibers of the entire fiber to the above-mentioned embodiment is shown, and then the ratio of the number of the fibers of the fiber of the entire fiber on the cross-section of the woven fabric is Therefore, the fiber pick-up rate means that the plural number: the ratio of the fibers that are spliced to the mouth is small. The ratio of the phase fusion (which has been bundled, in particular, after the invention is not woven), becomes 3, etc. In the division: the thickness direction of the person is divided into 50% of the pole, and the fiber formation rate of the zone is 5, and the fiber adhesion rate is preferably 1 to 40%, more preferably. 15 to fiber. When water is absorbed, it is better to say that it is not difficult to maintain the shape stability of the stomach. Because the distance between the joints is widened due to swelling, the fiber fixation density on the outer surface is reduced, and the fiber becomes easy to fall off. . Therefore, the water structure is: =,, so that the expansion in the omnidirectional direction is suppressed when the water is absorbed, so the space is good. It is difficult to preserve the absorbed water and, in the section of the thickness direction of the non-woven fabric, the maximum fiber adhesion rate in each of the regions of the two-thirds of the thick production; ^^ (10) or less (10) Edition 彻 320019 29 200914668 to 15/〇 is better than 10% (for example 〇. 5 to 1 〇%). Further, the fiber adhesion ratio of each region "the ratio of the minimum value to the maximum value (minimum value/maximum value) (the ratio of the minimum region of the fiber adhesion ratio to the most A region) is, for example, 50% or more (for example, 5 〇) Up to 1%) (preferably, "to coffee, more preferably 60 to 98% (especially 7 to 97%)). In the present invention, = fiber adhesion rate has such a thickness in the thickness direction Uniformity, so the shape stability and dimensional stability are high, and the water absorption is excellent. Moreover, in the current day and month, the stomach "divides into three equal parts in the thickness direction = domain" means the presence and non-woven fabric The regions in which the thickness directions are orthogonal to each other are cut into two equal regions. The fiber adhesion rate of the woven fabric can be adjusted by controlling the ratio of the constituent fibers of the fibers and the moist heat subsequent conditions. Change 1 by changing the proportion of the wet and hot connector fibers present in the net during the heat treatment of the wetting, while reading, insects + ..., or - by making ancient...! The chances of contact between the fibers, the inside, and the conditions of Γ are changed so that the fibers existing in the mesh are efficiently followed. For example, when the fiber is connected to the efficiency, it can be influenced by one door, and the surface is adjusted: the ancient product, the crystal 埶 一 、, ..., the quality of his target & 冋 ". When the net compression ratio, ...,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, The non-woven fabric of the present invention has the structure k of the above-described form stability 1 and retains the dry JVV water content when water is absorbed. This water absorption (IV) can be expressed by the water absorption rate, and the water rate is, for example, at 500% by mass. 4_Quality n parent good is deleted to 5000 Berry ^), better is 1 500 to 3000 quality 320019 30 200914668 *Amount % or so. If the water absorption rate is too small, it will hardly expand toward thickness 2 even if it absorbs water. In addition, the higher the water absorption rate, the better, but in fact, if it is more than 5 % by mass, the fiber will change easily due to excessive increase in moisture in the tissue, and will change in maintaining form stability. Difficult. Moreover, the non-woven fabric of the present invention is after absorbing water Swelling, but the swelled product expands in the thickness direction and must be at least 丨= bulging beyond the thickness direction. This is due to 'if the water swells due to water absorption at all; two=: two】 all sizes after water absorption If it is changed, it will not be able to arbitrarily design the special information such as the size of the bar or the position to be used. For example, if the water-absorbent sheet is used as the horizontal size change, it can be predicted (10) (4) This is not the case 2 Destruction, the phenomenon of swelling due to water absorption, which does not obstruct the original place, etc. Therefore, the non-woven fabric of the present invention changes the size of the non-woven fabric at least by the length of the water-absorbing fabric #(Material or (4) = Good' The dimensional change rate is below 3%, and the better is ^. This value is too large. 'The size of the rider has changed after the pre-expansion. The design used will become difficult, so it is not good. In addition, if the size is changed, then After water absorption, there will be gaps. Therefore, in any direction of the surface of the cloth (for example, ground, in the direction parallel to the non-woven direction), the change rate of Gu +: is good, and the non-woven fabric is suitable for The use of 2D 罝 arrangement. Another - If the upper part is above the irrigation level, the dimensional change rate in the direction of the ^ degree is, for example, about 5 〇 to _. If the upper part is two, the better one is 3 到 to _ (the dimensional change rate of the right right direction is too small) 320019 31 200914668 It is difficult to maintain a high water absorption rate. Further, if the dimensional change rate is more than 300%, it is difficult to maintain the shape of the non-woven fabric after expansion. Regarding the non-woven fabric of the present invention, after absorbing water from a dry state, In particular, when the dimensional change rate by water absorption is 5% by weight or more in the thickness direction, water can be efficiently absorbed. Further, since the volume expands due to dimensional change, it is suitable for use in, for example, a water-absorbent sandbag. Since the non-woven fabric of the invention has an anisotropy in the size ft: the absorbing rate can be easily discharged only by pressing in the thickness direction, and the drainage property is excellent. In addition, since the morphological change due to swelling is in a single direction, the fiber structure is less damaged and is suitable for repeated use. In the present invention, the dimensional change rate refers to how much the size after the dimensional change in the predetermined direction is increased relative to the size before the dimensional change. Therefore, it is a negative value when the size after the change is reduced. Specifically, the dimensional change (4) in the description is obtained by dividing the size after the size change by the size change and subtracting the value of 丨 from the mark. In the present invention, the size of the water cloth is used as the size before the dimensional change. The size of the suction and weaving fabric is used for the size::: the uniformity of the dimensional change in each direction is excellent:::: inch The rate of change in the dimension of the direction is the same as the direction of the second orientation = the ratio of the dimensional change in the case of the longer dimension (4) near the periphery of the vicinity of the vicinity of the 舆In the non-woven fabric of the present invention, if the density in the dry state is 〇〇3 to 320019 32 200914668 • g cm, the weight is light, so it is preferable from the viewpoints of setting and removal. Further, it is a porous material having a suitable space, and it is possible to efficiently absorb water and to control the dimensional change due to water absorption. The density of some dry states is too small, and it is difficult to work between dimensions (4). Therefore, it is not only difficult to (4) the dimensional change caused by water absorption, but also the mechanical strength of the cloth. Further, if it is too large, it is not only poor from the viewpoints of setting, removal, and water absorbing efficiency, and the excessive interaction between fibers does not cause the expansion due to water absorption to be specific to a predetermined direction. From the above point of view, the density in the dry state is preferably from about 〇5 to 2727-3, more preferably from about 0.07 to about 23.23 g/cm3. Further, the nonwoven fabric of the present invention can maintain excellent lightweight properties upon drying by forming voids between the fibers. Further, these voids are different from those of the resin foam such as sponge, and are not independent and continuous, and have gas permeability, and this gas permeability is also useful for retaining the properties of the nonwoven fabric of the present invention. In other words, the non-woven fabric is not required to have gas permeability, but the gas permeability is equal to the existence of a road that is small and still runs through the non-woven fabric and is capable of moving the material', which is the high water absorption speed and water absorption efficiency of the non-woven fabric of the present invention. Or high water discharge related. Such a structure is extremely difficult to achieve, such as a method of impregnating a resin, or a conventional method of forming a film-like structure by heat-bonding or purely non-woven surface portions, to form a film-like structure. Must be opened. Regarding the gas permeability, the gas permeability obtained by the Frazier type method is, for example, 0.1 Cm 3 /(cm 2 ·sec) or more (preferably 丄 to 25 〇 cm 3 ^ (cm 2 sec), More preferably, it is 5 to 2 cm3/(cm2 • sec). If the air permeable 320019 33 200914668 - is too small, the resistance during water absorption becomes large, and it is difficult to show the water effect even if the opening is made. On the other hand, if the gas content is too large, the fiber voids in the nonwoven fabric become large, so that water can easily pass through the inside, but on the other hand, it is difficult to efficiently hold the moisture in the structure. Further, the unit area of the non-woven fabric of the present invention is as small as == 佳系150至崎~系3〇. To 6_ easy to produce 3::")), raw size = sex size change. In particular, the direction in which the production is easy to produce is less likely to cause dimensional changes. Further, if the unit is =, the web is too thick and too heavy to be handled. And to form a uniform structure in the thickness direction. Fiber, (four), and become difficult 3 to:; square! The thickness of the non-woven fabric is, for example, 1 to ceramic, preferably 3 to 50 Å, more preferably 5 to - early, and the size is changed by the water absorption (4) when the outer diameter is less than 1 mm. In addition, the value is too small, and the target cannot be obtained. The thickness is very large. When the thickness exceeds 100, the processing is not good. [Manufacturing method of non-woven fabric] ί!; A manufacturing method of the non-woven fabric according to the present invention will be described. The network of the cravings of the blended fibers obtained by the above-described method is transported to the next step of the present invention by the upper fibers and the highly water-absorptive fibers, followed by exposure to a high-temperature water gravel conveyor. In the middle of the flow, the belt conveyor system can be obtained, and basically, as long as it is not in the form of 320019 34 200914668, =:::: during the processing, there is no particular limitation. Use a conveyor. Still, J is limited to the machine, and the machine can also be used as needed. : Such as: 】, :::; delivery machine, so that the fiber mesh is used in the water ten-dimensional network when used in two rounds, it can suppress the external force such as the shape of the net that is transported ===vibration ::The density of non-woven fabric after the treatment of Γ interval:: Two by the hot and humid high-temperature steam in the middle of the adjustment, so that the structure of the Qianwei, the sturdy fiber is welded, that is, in order to supply water vapor to the fiber mesh, no, I Cloth, and; The steam injection device is preferably arranged in a desired range: a device in which water vapor can be sprayed substantially uniformly in the range: when the fiber mesh is used: the conveyor is equipped with a steam injection device and is permeable to water. The conveyor belt and the money are placed in the conveyor to supply water and helium gas to the fiber web. The on-board wheel conveyor belt is equipped with a suction box. The two = side (other side) conveyors can be vented by steam. And: excess water through the fiber web; steam treatment, on the conveyor opposite to the loading ==== line - can also be further equipped in the downstream position of the location of the wheeled injection device 4 χ equipment It is stated that water vapor is placed. When there is no steam injection device in the downstream position, the steam injection process is carried out inside and outside the gas injection package fiber web, and the fiber is to be turned over and then processed (4), and the high speed is sprayed through the mouth of the (four) nozzle. High-temperature vapor flow 320019 35 200914668 Medium ^ #Saw π private.,, *〆0 dimension picker used by the high-temperature steam sprayed by the conveyor. The transport of the net and the high-temperature water cr are not particularly limited as long as they do not interfere with the fiber s and m domains. However, when the water is rolled, the surface of the web will be transferred to the web. (4) The surface shape of the belt is different. When the surface is flat, the surface is flat. m μ .ΡΈΓ „ ^心心' When you use the fine mesh, you can use it. Among them, '90li〇nesh': The thicker mesh belt (for example: 1〇4U is about 90% smaller than the mesh number~#. It is preferable that the gas permeability is low and the water vapor is difficult to pass. From the viewpoint of the heat resistance of the rolling treatment, the glutinous γ of the mesh belt: the heat-resistant polyester resin, polyphenylene It is preferable to use a high-temperature steam (superheated base gas) fiber such as 曰, μ & 系 resin, etc. The transmission in the net; ",, the hole, and therefore the fiber that will be treated differently than you, the fiber, the entanglement of the fiber stream or the needling treatment, the fiber in the fabric of the physical object is greatly moved, in addition to the second I, , or, or (4) the surface area of the non-woven fabric is heated centrally, ie: The hunting is carried out by the vapor flow in this net and the moist heat effect, the water = = hot and humid state is effectively covered on the surface of the fiber, and is considered to be uniformly geothermally followed. This treatment is quick to catch the heat conduction on the high-filled eight-dimensional surface, and it is not easy to deal with the pressure or enthalpy of water vapor before the heat is transferred to the inside of the fiber, which is not easy to cause damage. The deformation of the thickness of the body of the slender. As a result, there is no violent deformation on the web...Ά: the fiber web in the web, that is, thirsty 320019 36 200914668 so that the surface and thickness direction are followed by 'because the internal heat is not sufficient compared to the dry heat treatment. = Therefore, the degree of fusion in the surface and thickness direction will be approximately uniform. In the case of cold..., when a non-woven fabric of hard f is obtained, when the web is treated, the web to be treated can be transported between the τ or the wheel, and has been compressed into a ^q to /q / 3 is exposed to high temperature water in the state of the surface density (for example: 0.03 曰. / CID), when you want to obtain a relatively high density non-woven fabric; ^ ^ when processing 'must be enough The web compression has a moderate distance between == = loss: it can also be adjusted to the target = so the situation of the second machine, because it is difficult to compress the web in one breath, the tension of the conveyor belt is set very high, and from the water The steam treatment force and the ground gradually reduce the spacing. And, it is pressed by adjusting water vapor. It is processed to have the required lightness and the percentage of air permeability. If the loop conveyor belt that sandwiches the fiber web and is opposite to the nozzle is formed into a non-plate or the like, a structure in which water vapor cannot pass is formed. The water vapor of the fiber web of the friend's treatment body will be reflected here, so it will be more strongly followed by the water plug=the temperature effect. Conversely, # needs to be lightly followed by a configurable suction box to drain excess water vapor out of the room. The nozzle for continuously spraying water vapor is used by using a plate or a mold in which a predetermined hole is arranged in the width direction, and is arranged such that the holes are arranged side by side along the γ direction of the supplied fiber. The column of holes may be arranged in parallel with each other in a column of ρ'. In addition, it is also possible to set 320019 37 200914668 - a nozzle mold having a row of holes arranged in parallel. When using the form of the hole that has been opened on the plate is "about one. About the failure of the hole: the second plate == the weaving dimension is fixed, then there is no special system but the left six / to 1_, better U to On the other hand, about μ 3. 0 with (preferably i 〇, that is, usually 0.5 to other Γ better U to U·). Regarding the high fiber used, the standard fiber fixing If it can be realized, there is no special = Tian, the material and shape of the eye can be determined as the 叮疋, according to the fiber used _ " and the pressure system is for example: 〇1 to 2. 〇 MPa (better 〇 : 2 to 15Mpa, more. Right. When the pressure of water vapor is too high or too strong, the ancient /, h0MPa) will move excessively to the left to make the texture of the fabric f - forming the fiber of the fiber network The thinness of L, or the excessive melting of the fiber, causes the part to change: the possibility of a dimensional shape. Further, when the relocation force is too low, 2 = a problem that the fiber to be spliced by the fiber to be spliced to the object to be treated is smashed and the web is ejected in the thickness direction, and it is difficult to control the water vapor from being uniform from the nozzle 120. The temperature of the temperature is, for example, 70 to 15 〇〇C (preferably 80 to 俜, for example, the soil system is 9 〇 〇 1 〇. 〇. The processing speed of high-temperature steam = 1; It is about 1 to 50 m/min in the Kamakura system. It is necessary to give a predetermined concave-convex pattern on the conveyor belt in advance, and to impart a concave-convex groove on the non-woven fabric obtained by such transfer. ^ 320019 38 200914668 • No. etc. In addition, in the range where the characteristics of the laminated body cloth can be reduced with other materials, the moisture in the fiber web may remain in the non-woven fabric. After the wet heat is followed, the dry is dried, and the contact drying is twisted: the fiber web is dried as needed. After drying, the surface of the _ (10) 必须 must not be in the state, as long as the point is reached, the method is maintained; For the large-scale drying of the tenter, such as the tumble dryer or the tenter, the moisture remaining through the lighter dry fresh slag is often trace amount, and the degree of line irradiation and microwave irradiation is far infrared. It is better. 〆A shot and other non-contact methods or blowing hot air to make wet The thermal adhesive fiber may be formed by a high-temperature water vaporization process, or the like, or may be followed by a damp heat (such as a partial method). We are willing to shrink (acupuncture, etc.) and other treatments, and the wet heat-bonding fibers can also be dazzled. However, in this way, it is difficult to obtain the uniformity of the fiber adhesion rate in the water, and it is difficult to The air that must be contained in the sound of the sound:: can be measured as, the difference is different, so the air is squeezed and repeatedly fiber-opted "external structure due to the sound, because the heat will be followed by the fiber network, h into Subtle structural deformation of the interior of the fiber, or the use of light and light <The heat contained in the fiber web 320019 39 200914668 Different. It is flaky or plate-shaped, depending on the shape. The water-repellent deformation causes the fine structure deformation in the up-and-down direction. The non-woven fabric obtained by this method is usually used, and can be processed by cutting or the like. (Example) The following is a description of the example of the hunting. ... 儿林(四), but the present invention is not limited to any of the cross-target examples. In addition, the actual values of the physical properties in the examples are determined by the following methods. (1) The weight per unit area (g/m2) ... is measured in accordance with JIS L1913 "Test method for short-fiber non-woven fabrics". (2) Thickness (mm), density (g/cm3) - The thickness was measured in accordance with JIS L1913 "Test method for normal staple fiber non-woven fabrics". The density was calculated from the basis weight measured by the method of (1). (3) Air permeability (cm3/(cm2·sec)) The measurement was carried out in accordance with JIS L1096' by the Frazier type method. (4) Water absorption The non-woven fabric sample was cut into a size of 5 cmx5 cm. The sample weight (wi) was measured after standing for 24 hours in a standard state (2 〇 + 2 ° C, 65 ± 4% R·H). The sample was immersed in distilled water in a completely covered amount; after 1 minute, it was taken out. The weight of the sample (π?) was measured after removing water by hanging for 1 minute. Thus, the measurement results are sequentially calculated as water absorption rates. The measured values are the average of the values of the measured 5 samples. Water absorption rate = [weight of sample after water absorption (W2) _ sample standard weight away from 320019 40 200914668 - inner (W1)] / [sample standard state weight (π)] xl 〇〇 (%) (5) water swelling The non-woven sample was cut into the same size as the sample for water absorption measurement. After 24 hours of drawing, the dimension (10) in the standard state was measured for the length direction, the width direction, and the thickness ί = direction. The sample is immersed in the amount of the total amount of distilled water for 5 minutes, and then the water is taken out, and the size of the sample is also determined by the length direction, the width direction, and the thickness of the sample (10), and the dimensional change rate value is calculated in turn. The average value of the values of the sample 5 was measured. 疋Dimensional change rate = [L2] - (Ll)] / (Ll) xi 〇〇 (%) (6) Fiber adhesion rate (%) Using a scanning electron microscope ( SEM), take a photo of the non-woven fabric section 1 time, and take a photo of the section in the thickness direction of the non-woven fabric in the thickness direction, and divide it into 3 (surface, inner surface (central)' back (reverse)) Find the ratio of the number of cut planes in contact with the other cut section with respect to the number of fiber cut planes (fiber end faces) found in ^3. The total number of cuts that can be found in each area is expressed as a percentage according to the following formula In the middle, the number of the cross-sections of the two or more fibers is in the ratio of the number of the cross-sections. Further, the portions in contact with each other between the fibers are: a portion that is not welded but only contacts each other, and a portion that is joined by fusion. Cut off by microscope Non-woven fabric, and on the vertical cut surface of the non-woven fabric, the fibers are in contact with each other due to the stress of each fiber. Therefore, in the cross-sectional photograph, the fibers in contact with each other can be judged as having been followed. The number of sections of the fiber after the above j 320019 41 200914668

-/(the total number of fiber sections) xl〇Q However, when calculating the number of faces = face number for each photo, increase the observation dimension: Only::. In addition, the two-dimensional receiver rate is obtained for each region divided into three equal parts, and the ratio of the minimum value of the L ^ t ® fiber value of the ψGangtian is also supplied (the minimum relative to the uniformity of the thickness direction of the attack) The pick-up rate (7) The shape retention of the non-woven piece is cut into a cube shape of 5_ square, and put into the triangular beaker (10) (10) 3) of the water for 1 minute, and the shape is used as the shape at this time. The shape before processing. The beaker was placed on a vibration system, "ΜΠ60 type", and vibrated for 30 minutes at a speed of __ rotation = 6 〇. After the shaking, the morphological change and the shape retention state were visually confirmed, and a three-stage evaluation as shown below was performed. ◎: The shape before the treatment was almost maintained. A large peeling portion was not observed, but a deformation of the morphology was observed X: a peeling portion was observed to be produced (Example 1) The core component was prepared as a polyethylene terephthalate. A core-sheath type composite rayon ("K〇", "s〇phista", & s-ethylene-based copolymer (44% by weight, alkalinity: 98.4%) 3dtex, 51mm long, core-sheath mass ratio = 50//5〇, number of crimps 21/"legs, crimp ratio of 13.5%" as damp heat-bonding fibers, and preparation for high water absorption by Toyobo Co., Ltd. The fiber "LANSEAL (registered trademark) F" (5. 6dtex, 51 face 320019 42 200914668 long) is used as the super absorbent fiber. The wet heat-bonding fiber and the superabsorbent fiber are mixed in a mass ratio, a ratio of the county: the adhesive fiber/superabsorbent fiber H5G, and the fiber is weighted by g/m, the fiber web, and the fiber is used. 2克m的梳棉网. The net weight is 258. 2gm2 of the card. The LI cotton net is transported to a belt conveyor equipped with a 5G mesh screen (mail (8), width 500_ book 2 steel to recycle the wire mesh. Also, it is used here: the upper part of the wire mesh of the conveyor is equipped with the same barbed wire The machine is rotated at the same speed in the same direction, and the belt conveyor with the spacing between the two bars can be arbitrarily adjusted. The (four) net guides to | the water with the belt conveyor is steamed on the device. Therefore, the device sprays high-temperature steam (vertical) of 0.4 MPa, so that the thickness of the cotton: is passed, and the steam is treated to obtain the hair, the air cloth, and the cloth. Conveyor on the side (lower side). The conveyor network sets the nozzle so that the high temperature water vapor faces the fiber web. The suction device is provided on the other side (upper side) conveyor. On the downstream side in the traveling direction of the fiber web, there is a jetting device in which a combination of the nozzle and the suction device is arranged, and the surface of the sputum fiber and the sputum net are subjected to steam treatment in the morning. The aperture of the steam injection nozzle is 〇·3_, and the conveyor The second speed of the door between the steam spray belts arranged in a row at a pitch of 1 mm in the width direction: W minutes, the nozzle and the suction side are transported _ (distance) system, 5 mm. The nozzle system is arranged inside the conveyor belt to make it It is in contact with the conveyor belt. 320019 43 200914668 - The measured values of the physical properties of the obtained samples are shown in Table 1. The obtained > has excellent water absorption, and the length direction of the obtained sample before and after the water absorption is small. 'But it swells in the thickness direction when it absorbs water. ·:: It does not show good shape retention. In addition, the results obtained by SEM photographs are shown in the figure! The length of the ". It is obvious that the constituent fibers have been oriented along the (four) direction. The fabric can be confirmed (Example 2) %, the high two I:::1, and the wet heat adhesive fiber is used in 40 mass rows. In addition to the non-woven fabric: the same as in the first embodiment. The obtained non-woven fabric: object:: The results are as shown in Table 1. (4) (four) sex measurement, confirm that the thick fabric of the weaving remains roughly sorrowful. After observing the obtained non-facewise direction by SEM, the result is confirmed. The constituent fibers have been changed along with the unit area of each application:::non-woven fabric to about 28 〇g/m2, and the same applies to the example i, and the hand = cloth is softer, and the non-woven fabric is more In the non-woven test of Example 1, the heart has a financial rate of W. In addition, in the form retention

"°" SEM π唧 The profile in the valley direction, the result can confirm the structure 320019 44 200914668. The fiber has been oriented along the plane direction. (Example 4) The same procedure as in Example 1 was carried out except that the water vapor was pulverized by 0.8 Pa, the round belt interval was changed, and the water vapor injection pressure of the crucible was changed to a row. The results of the measurement of the physical properties of the I-non-woven fabrics are shown in Table 1. The water absorption rate is lower than that of the non-woven fabrics of the implementers. (10) Obtaining the non-woven material; ==_面果^ Confirm that the constituent fibers have been cross-sectionally oriented in the direction of the direction, and then the joint (Example 5) except the fiber with 2. 2dteX & With the embodiment! The results of the physical properties of the entangled fibers are as follows: to non-woven fabrics. In the test of the high-density retention of the non-woven non-woven fabric obtained from the non-woven fabric, the right and the right foot are also used. In addition, the shape of the fiber is somewhat tolerated, but it remains soft and soft... ^ After the face, (Cheng 6) except for the wet heat bonding fiber 8 〇 mass%, high water absorption

The proportion of the amount of shellfish is the same as that of the embodiment, and ^ _ W cloth. The results are shown in Table 1. The obtained non-woven fabric is not woven, γ, and the non-woven fabric of the fourth embodiment does not have a lower water absorption rate, but has a target water absorption property and excellent form retention. After observing the thickness of the obtained non-woven fabric by SEM, the result can be read that the constituent fibers have been along the plane direction - white direction 32 〇〇 j9 45 200914668 - (Example 7) except that the wet heat bonding fiber 2 enamel _ cloth. The results are as shown in Table 1. The amount of change in the size of the water absorption in the thickness direction and the sample in the sample are not observed. The latter rule is judged by the fiber detachment and the shape damage. The hum of the non-woven fabric is seen in the SEM view. After the cross section in the direction of the direction, the fibers are oriented along the plane direction. Therefore, it is confirmed that the composition (Comparative Example 1) is carried out in the same manner as in the case of the wet heat-bonding fiber at a ratio of 1% by mass, in the same manner as in the case of the water-based fiber. The result is as shown in Table i. The resulting + woven fabric is very soft and shows good (4) U case i has a low non-woven rate, and absorbs water to a saturated skin. The fiber of the part is detached, part of the shape is broken, and the stalk is swelled, and the surface part is broken by the shape of the fiber knives. After observing the section in the direction of the SEM, the fruit is in the thick direction of You Qiao and weaving. The constituent fibers and the dimension have been set along the surface direction (Comparative Example 2). The light and the temperature are set to (colander) for dust protection, instead of introducing the vapor injection device into the surface calendering device to ensure the shape energy. '中中' changed the fiber web to W to use two lines of force and: the distance between the observations was made, and the non-woven fabric was obtained. The result is as follows: Example 1 is the same as Table 1. The SEM observation station 320019 46 200914668 The thickness of the non-woven fabric has been oriented along the plane direction. The fiber of the surface part of the light-light part is connected to the film, and the fiber of the other is then very small, and the sound of the household is too && & the central part becomes the core fiber of the ladder and then the state is not Both, and the central part of the second big two: after water absorption to saturation, not only the fiber (compared 1ΓΓ*' also split from the central part of the thickness into two parts. The quality. In addition to the wet heat bonding fiber 9G mass%, high water absorption fiber: : The ratio of the mixture is mixed with the result of the steam jet, and the same is carried out, and the non-woven fabric is obtained: low. " The non-woven fabric of the non-woven fabric is the thickness of the non-woven fabric obtained by the inspection. The constituent fibers have been oriented in the plane direction. Further - 320019 47 200914668 [Table 1] Morphology ◎ ◎ ◎ ◎ 〇 XX ◎ Fiber adhesion ratio 88.2 81.8 CC t 80.8 Οΐ 67.0 69.5 8.40 85.0 00 〇ΰ cvi 00 o 10.2 CO t- co (N1 CO 00 34.9 O CT) 13.5 CD CO —_14.1 48.3 I 14.7 CTS C<l in CD — οσ CO 58.0 14.2 13.0 05 CO 〇od iM o oo tV CNI However · C<! CO 52.0 15.3 15.9 LJ4J 5 3.2 l· 16.2 30· 7 卜σί 03 ΙΛ 36.7 61.0 Suction rate thickness CD LO in CD CO CO CO ? 2 (M ! i in Θ Ο o in CO 〇i 〇Oi o' o c> 卜 1 1 o § Ο Ο CO cnJ omot — 〇LO. 1 1 o General physical water absorption rate 1851 2440 2419 〇〇CvJ oo 1725 CO 4827 6341 3197 oo CO pass tA cmVcm2 · s S ss oo CO Oi S PO CO density ϊ 0.091 0.106 0.073 0.251 0.097 0.140 0.072 0.066 0.097 0.320 Μ 5.72 1 5.58 3.91 OO OO 5.32 3.85 7.28 7.87 5.57 1.60 Unit area weight 522.2 589.3 286.8 547.7 513.4 537.1 526.5 : 523.3 542.8 518.0 丨 Example 1 1 1 Example 2 1 丨 Example 31丨Example 4丨1 Example τι [jf Example 6 Example 7 Comparative Example 1 Taste Example 2 Her Case 3 48 320019 200914668 It is easy to see that the non-woven fabric of the present invention is in the dry bomb 1:: Suction:: degree and light weight, it has a very high water absorption rate after water absorption, 'after only expanding in the thickness direction, and no expansion to the length. Visibility direction (industrial availability) The non-woven fabric of the present invention has the same degree of low density as the general non-woven fabric and has a gas permeability, and the fibers which are formed are rarely detached, and the mouth swells in a special direction after absorbing water. It has excellent water absorption. Therefore, the tr cloth is particularly suitable for the use of impregnating a large amount of water and the use of the deformation due to absorption. The specific use can be in various fields of water absorption and water retention materials, for example: building or civil water retention materials (for example: Water-absorbent sandbags =, water-repellent materials for water saving or water-saving sheets for gardening or cultivation (for example, bed for plant cultivation #), or water-repellent materials for daily necessities, etc. - In other words, the non-woven fabric of the present invention is light and thick in the dry state, and thin ' Therefore, the weight of the material is increased due to water absorption and the thickness is increased, so that the target performance can be exhibited. Therefore, it is advantageous to carry out the transportation and the space for preservation by being stored in a dry state. Further, the nonwoven fabric of the present invention is due to the interfiber. Mutual (4), _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ The superabsorbent fiber is then fixed via the fiber, so that it does not need to be packaged into the bag as a general sand. Therefore, it can be made up to the end. The straight sandbag of the rectangular parallelepiped, and the angle and the angle can be just matched, so the gap between the sandbags can be suppressed 320019 49 200914668 ί = Use: Outside 'Because of moderate hardness (morphological stability), so suck, water, ^ water When it becomes a covering material (bag) of water absorption resistance, it can absorb water at a constant speed, and can be prepared to be used quickly when needed. In one aspect, the non-woven fabric of the present invention is suitable for plant cultivation. Use: The field bed is suitable for, for example, the use of the roof for greening, etc., and there are many restrictions on the use of the place, the space, etc., and the use of the method is the second: 'This: the non-woven fabric of the Ming' The drying before use before and after water absorption is also very light and compact, so it is particularly easy to transport and set, and it is preferable to use it in combination with the shape and size of the place of use and to cut off the excess portion. The non-woven fabric can also use this property as an alternative to the water-absorbing body or water-absorbing sponge used for roof greening, microbial immobilization carrier, and 'can be applied to the wiping material ( Various types of applications such as sponges for washing dishes, pen-type wiping tools such as m-shaped pens or fluorescent pens, inkjet printer inks, ink-based ink retaining materials, fragrances, and other flavored steamed core materials. Fig. 1 is an electron micrograph of a cross section in the thickness direction of the nonwoven fabric obtained in Example 1. [Explanation of main component symbols] Cup 〇#.>>> 320019 50

Claims (1)

200914668 200914668 XI. Patent application scope: A non-woven fabric composed of wet heat-bonding fibers' and the above-mentioned wet heat-bonding fibers and water-based fibers (mass ratio) are: ratio of wet heat-bonding fiber to water-based fiber /8 . Increasing 20, wherein the water absorbing fibers are formed, and the fibers on the cross section of the nonwoven fabric are then oriented to be uniform, and are 5 to 50%. The thickness direction is large 2. For example, the scope of patent application! In the non-woven fabric, the dimensional change rate due to water absorption after the water absorption is in the non-woven state = below and is 5 % or more in the thickness direction. , Degree 3. 3. Patent range i or 2 The density under dry is 0.03 to 3.3g//cm3. Eight dry exhibition status 4. The water absorption rate of any of items i to 3 of the patent application range is 50% by mass or more. , cloth, and 5. Non-woven fabrics of any of items i to 4 of the patent range, and the cross-section of the cross-section is divided into three equal parts in the thickness direction, and the maximum relative to the fiber ratio The ratio of the value to the minimum value is more than 50%. Hui 6. If you apply for a patent scope! The non-woven fabric of any one of item 5, wherein the superabsorbent fiber is at least selected from the group consisting of a mercapto group, or a salt group thereof, a sulfonic acid group or a salt thereof, and a mercapto group. - a hydrophilic polymer composed of a polymer. 7. The non-woven fabric according to any one of the preceding claims, wherein the superabsorbent fiber is composed of a component containing a poly(methyl)-propyl acrylate polymer or a salt of 320019 51 200914668. 8. If you apply for a patent scope! In any one of the items 7 to 7, the damp heat-bonding fiber is made of acetaminophen-human, woven fabric, and the meringue is from the ethylene-early sulphate content of 10 to 6 〇 mol%. j £ flat your ambition, and gas, ten, r knee, /, ♦ matter, and non-wet heat adhesive resin, and the description of ethylene - B suspected έ έ 树 w : : : : : : : : : : : : The proportion (mass ratio) of Gangzheng is: the former / the latter = 9. /10 to 1〇/90, and the aforementioned ethylene-ethylene to 10 & ruthenium ruthenium copolymer continuously and continuously occupies at least one portion of the surface of the wet heat-bonding fiber, a. In the range of items 1 to 8 of the patent range, the 'wet heat-bonding fiber 俜 is composed of 乙烯, ._^., 糸^ from an ethylene-vinyl alcohol copolymer. , and & conjugated fibers composed of polyester resin. ] ~ Take the heart of the 10. If the scope of the patent application is the same, it will be wet and hot, and the fiber will be difficult to make a non-woven fabric, which will be made into a mixed net. J got it. One side is heated by a high-temperature vapor stream. 11. A water-absorbent sandbag, which is composed of a non-woven fabric of the first to the first of the claims. In the item 12. A kind of water retention thin is only composed of the cloth of the first to the tenth of the patent application scope. Μ 13. For example, if the method of applying the nose is applied, the non-woven fabric of any one of the items 1 to 9 is made into a ^^. The adhesive fiber and the water-absorbing fibrous surface are heated to a high temperature. And a step of transporting the formed mixed network, oxygen, and heat to treat the fibers. 320019 52 200914668 VII. Designated representative map: (1) The representative representative of the case is: (1). (2) A brief description of the component symbols of this representative figure: This representative figure has no component symbols and the meaning it represents. 8. If there is a chemical formula in this case, please disclose the chemical formula that best shows the characteristics of the invention: There is no chemical formula in this case. 4 320019