TW499516B - Electro-spinning process for making starch filaments for flexible structure - Google Patents

Abstract

A process for making continuous starch filaments, the process comprises steps of: (a) providing a starch composition comprising having an extensional viscosity from 50 pascal.second to 20,000 pascal.second, wherein the starch has a weight-average molecular weight from 1,000 to 2,000,000; and (b) electro-spinning the starch composition, thereby producing the starch filaments having a size from 0.001 dtex to 135 dtex. A process for making a flexible structure comprising starch filaments, the process comprises steps of: (a) providing a starch composition having an extensional viscosity from 100 pascal.second to 10,000 pascal.second; (b) providing a molding member having a three-dimensional filament-receiving side and a backside opposite thereto, the filament-receiving side comprising a substantially continuous pattern, a substantially semi-continuous pattern, a discrete pattern, or any combination thereof; (c) electro-spinning the starch composition, thereby producing a plurality of starch filaments; and (d) depositing the plurality of starch filaments on the filament-receiving side of the molding member, wherein the starch filaments conform to the three-dimensional pattern of the filament-receiving side.

Description

5. Description of the Invention (Technical Field of the Invention) The present invention relates to an elastic structure including powder-killing fibers, and more particularly to an elastic structure having different regions. BACKGROUND OF THE INVENTION BACKGROUND OF THE INVENTION ) Is known in the industry. Low-density fibers are widely used in paper towels, toilet paper, tissue paper, napkins, wet paper, etc. The large demand for these paper products has resulted in the need for improved forms of products and their preparation methods. To meet these needs, papermakers need to balance the cost of machinery and sources with the total cost of delivering the product to the consumer. Fibremaking For traditional papermaking operations, wood cellulose fibers are repulped or refined to refine The fiber hydration degree is reached to form a water-based pulp. The method for making paper products for hygienic paper, hand towels, and sanitary products generally involves preparing water, and then removing water from the pulp, while rearranging them. After being dehydrated, the paper web is processed into a dried roll or sheet, and finally converted into consumer bags. Various forms of machinery need to be used. Facilitates dehydration treatment and conversion operations that require a large amount of cost. Another aspect of loosening traditional papermaking operations includes adding additives to the paper to achieve special final properties. For example, additives such as strength resins, desurfactants , Softeners, colorants, latexes, synthetic microspheres, flame retardants, dyes, perfumes, etc. are used in paper making. The effective retention of these additives at the wet end of the paper making method makes it difficult for manufacturers. When the unretained part becomes part of the factory effluent, it not only causes economic losses' but also causes major pollution problems. Additives can also be added after dehydration = by coating or saturation methods known in the industry to Paper net. These methods are 297 mm.) This paper size is applicable to China National Standard (CNS) A4 specifications (2li

Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economics. Special method-generally requires the consumption of heat energy to dry the paper again after coating. Furthermore, in some cases, the coating system needs to be solvent-based, which increases the cost and requires recycling of volatile materials to meet regulatory requirements. Various non-cellulosic natural fibers and various synthetic fibers have been used in papermaking. However, all of these alternatives do not provide commercially acceptable cellulose substitutes due to their high cost, poor binding properties, chemistry Dissimilarity and handling difficulties in papermaking systems. Starch fiber has been suggested as a substitute for cellulose. However, commercial efforts to use these starch fibers have been successful in various aspects of the papermaking process. As a result, the paper products are still almost excluded from the cellulose component predominantly made of wood. Therefore, the present invention provides an elastic structure containing long starch fibers and a method for preparing the same. In particular, the present invention provides an elastic structure k comprising several starch fibers, wherein the structure includes two or more regions having different strength properties for improving strength, absorbency, and softness. The invention also provides a method for preparing starch fibers. In particular, the present invention provides an electrospinning method for producing several starch fibers. SUMMARY OF THE INVENTION The elastic structure includes several starch fibers. At least some of the starch fibers have a size of about 0.01 Oldtex to 135 dtex, and in particular are 0.01 dtex to 5 dtex. The aspect ratio of the length of the major axis of at least some starch fibers to the equalized diameter perpendicular to the cross section of the major axis of the starch fibers is greater than 100/1, more particularly greater than 500/1, and more particularly greater than 1000/1, more In particular, it is larger than 5000/1. This structural system includes at least one younger one area and one second area. The first paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm). -------- Order ------ Awn (Please read the notes on the back before filling this page) ^ 516 A7

V. Description of the invention (3) Each of the first and second areas printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs has at least one selected from the group consisting of density, basis weight, height, opacity, wrinkle frequency, and the like. Combined strength properties in common. At least one common strength property of the first area is numerically different from at least one common strength property of the second area. In a specific example, one of the first and second regions includes a substantially continuous network, and the other of the first and second regions includes respective regions dispersed throughout the continuous network. In another specific example, at least one of the first region and the second region includes a semi-continuous network. The elastic structure may further include at least one third region having at least one intensity property that is common and numerically different from the intensity property of the first region and the intensity property of the second region. In a specific example, at least one of the first, second, and third regions may include a substantially continuous network. In another specific example, at least one of the-, second, and third regions may include individual or discontinuous regions. In another specific example, at least one of the first, second, and third regions may include a substantially semi-continuous region. In another embodiment, at least one of the first, second and third regions may include several individual regions dispersed throughout the substantially continuous network. In the specific example in which the elastic structure includes a substantially continuous network area and several individual areas dispersed throughout the substantially continuous network area, the substantially continuous network area may have a relatively low density compared to the relatively low density of the individual areas. High density. When the structure is placed on a horizontal reference plane, the first area defines the first height, and the second area extends from the first area to: to define the second height, which is greater than the first height (relative to the horizontal plane) . The size of this paper is applicable to China National Standard (CNS) A4 (210 X 297 mm) " — · # ------- tT --------- (Please read the note on the back first Please fill in this page again for details) 6 499516 A7 B7 V. Description of Invention (4) Consumption of Ministry of Smart Staff * In a specific example including at least three areas, when the structure is placed on the level -Height, the second area may define a third degree, and the third area may define a third height. At least one of the first, second, and third heights is at least one that may be different from other heights. For example, the second height may be between the first and third heights. In the system, the second area contains several pillow pillows, so that individual pillows can include a dome portion extending from the first height to the second height and a dome portion at the second height. Cantilever section extending laterally. The majesty of the ulcer of the lavage powder may be equal to or different from the density of the first region and the density of the dome portion / I, or between the density of the first region and the density of the round bottom portion. The cantilever portion is typically raised from the first plane to form a substantial void space between the first region and the cantilever portion. The elastic structure can be produced by dazzling melt spinning, dry spinning, wet spinning, electrospinning or any combination thereof; providing a three-dimensional structure constructed to receive digitally excited powder fibers thereon. A molding element on a fiber receiving side of the fiber; depositing a plurality of temple powder fibers on a fiber junction of the molding element (during which the plurality of temple powder fibers at least partially conform to its pattern); and the plurality of temple powder fibers and the It is produced by separating the molding elements. A step of depositing a number of powdered fibers on the fiber receiving side of the molding element includes conforming the number of powdered fibers at least partially to a three-dimensional pattern of the molding element. This can be accomplished by, for example, applying a fluid pressure differential to the powdered fibers. In a specific example, the step of depositing starch fibers onto the molding element includes depositing at an acute angle relative to the fiber receiving side of the molding element. Dian Fanwei, in which the acute angle is about 5 degrees to about 85 degrees. This paper size is applicable to Chinese national standards (CNSM4 specification ⑵〇x 297 mm is available for sale.

I. 499516 A7 V. Description of the Invention (Consumer's Consumption of Wisdom Financial Staff is printed in a specific example. The molding element includes a resin frame bonded to a reinforcing element. The molding element can be fluid-permeable, fluid-impermeable, or partially fluid-permeable. The reinforcing element may be placed between at least a portion of the fiber receiving side and the rear side of the frame. The fiber receiving side may include a substantially continuous pattern, a substantially semi-continuous pattern, a discontinuous pattern, or any combination thereof. The frame may be Contains a number of openings, which can be continuous, individual or semi-continuous, continuous, similar to and opposite to the frame pattern. In the specific example, the 'molded element' is joined to the reinforcing element at the first height and joined to it in a face-to-face relationship. The reinforcing element and the resin frame extending outward from the reinforcing element to form a second-height resin frame are formed. The molding element may include a number of mixed yarns, felts, or any combination thereof. When the number of powdered fibers is deposited on the molding element At the fiber receiving side, the application result of the elasticity of the mouth and / or the pressure difference of the grasping body is easy to at least partially conform to the 7-dimensional pattern of the mold garment-thereby forming a The first area of the number of powdered fibers supported by the frame of the case, and the second area of the number of starch fibers flexed in its openings and supported by the reinforcing element.-In the #### system, the molding element contains suspension This molded resin frame contains several bases that extend outward from the reinforcing element, and = laterally extends from the base at the second height, and cantilevered at the cantilever portion and reinforces = the cantilever forming the gap space Part, in which the number of the base and the number of the cantilever are combined to form the fiber receiving side of the molding element. This molding can be ::: a face-to-face relationship formed by combining at least two layers. The part of the frame corresponds to the other layers, and some of the molding elements can also be ordered by using a warp cap containing different paper sizes.

I yuan such as 499516 A7 B7 V. Description of the invention (6) The shield of the pattern in the light area is formed by curing the photosensitive resin layer in a differential manner. The method for preparing the elastic structure of the present invention may further include, for example, a step of densifying a selected portion of the starch fiber by applying mechanical pressure to the starch fiber. This method may further include the step of shortening the number of starch fibers. This shortening step can be accomplished by wrinkling, micro-shrinking, or a combination thereof. An electrospinning method for preparing a pulverized fiber includes providing a starch composition having a stretch viscosity of about 50 basca · sec to about 20,000 basca · sec; and electrospinning the starch composition to produce a starch composition having a tensile viscosity of about 50 psi. .00ldtex to about 135dteXi starch fiber and other steps. The step of electrospinning the starch composition typically includes electrospinning the starch composition via a mold. The starch in the powder composition has a weight average molecular weight of about 1,000 to about 2,000,000; and the starch composition has a capillary number of at least 0.05, and more particularly At least 丨 · 〇〇. In a specific example, the starch composition comprises about 20% to about 99% by weight amylopectin. The starch in the flour composition has a weight-average molecular weight of about 1,000 to about 20,000. The starch composition may comprise a high polymer having a weight average molecular weight of at least 500,000. The starch composition may include about 10% to about 80% by weight of starch and about 20% to about 90% by weight of an additive. Such a starch composition may have a stretch viscosity at a temperature of about 20 ° C to about 180 ° C of about 100 Baska · sec to about 15,000 Baska · sec. The starch composition may contain about 20% to about 70% by weight of starch and this paper size is applicable to Chinese National Standard (CNS) A4 specifications (210X297 mm) (Please read the precautions on the back before filling this page) Order the Ministry of Economic Affairs Printed by the Intellectual Property Bureau employee consumer cooperative 9 A7 B7 V. Description of the invention (The Intellectual Property Bureau employee consumer cooperative printed by the Ministry of Economy restricts 30% to about 80% by weight of additives. This starch composition can be used at about 20C to about It has a stretch viscosity of about 200 basca · sec to about 10,000 basca · sec at a temperature of 100. It has a stretch viscosity of about 200 basca · sec to about 10,000 basca · sec. The temple powder composition may have a capillary number of about 3 to about 50. More specifically, a starch composition having a stretch viscosity of about 300 Baska · sec to about 5,000 Baska · sec may have Capillary number from about 5 to about 30. In a specific example, the starch composition comprises about 0.0005 wt% to about $ wt% that is substantially compatible with starch and has at least 50,000. 〇High molecular weight average polymer. Starch composition It may include additives selected from plasticizers and diluents. The starch composition may further comprise about 5% to about 95% by weight of a protein, wherein the protein comprises a protein derived from maize, a protein derived from yellow, The method for preparing starch fibers from wheat-derived protein, or any combination thereof, may further include a step of thinning starch vera with an air flow. In a specific example t, a method for preparing an elastic structure including starch fibers includes the following Steps: Provide a starch composition having a stretch viscosity of about 丨 〇 () Baska · s to about 10,000 Baska · s; provide a three-dimensional fiber receiving side and a molding element opposite to the back side, the fiber The receiving side includes a substantially continuous pattern, a substantially semi-continuous pattern, an individual pattern, or any combination thereof; electrospinning the starch composition to generate starch fibers; and depositing the starch fibers on the mold element Fiber receiving side 'wherein the starch fiber is a three-dimensional view of the fiber receiving side

------ ,! 丨 1 · # (Please read the precautions on the back before filling out this page) Order 499516 V. Description of the invention (8) In the industrial method, the molding element runs continuously in the mechanical direction. In the industrial method, the 'molded element is continuously transported in the mechanical direction = brief description of the figure. Τ Figure 1 is a diagram of a specific example of the elastic structure of the present invention. Figure 1A is a diagrammatic sectional view taken along line 1A · 1A of Figure 1. Fig. 2 is a diagram of another specific example of the elastic structure of the present invention. The third figure on the tenth side is a schematic diagram of another specific example of the elastic structure of the present invention. The fourth figure is a plan view of a specific example of a molding element ^ that can be used to form the elastic structure of the present invention. Fig. 4A is a diagrammatic sectional view taken along line 4A-4A of Fig. 4. Fig. 5 is a diagrammatic plan view of another specific example of a molding element that can be used to form the elastic structure of the present invention. Fig. 5A The figure is a diagrammatic sectional view taken along line 5A-5A of Fig. 5. Fig. 6 is a diagrammatic sectional view of another specific example of a molding element that can be used to form the elastic structure of the present invention. Intellectual Property of the Ministry of Economic Affairs The 7th figure printed by the Bureau's Consumer Cooperative is part of the side elevation and cross-sectional view of the electrospinning method and device for preparing an elastic structure containing starch fibers. The 7A figure is along 7A- 7A is a diagrammatic sectional view. FIG. 8 is a diagrammatic side elevation view of a specific example of the method of the present invention. FIG. 9 is a diagrammatic side elevation view of another specific example of the method of the present invention. Brother 9 Figure A is a side elevation view and a partial view of another specific example of the method of the present invention. 11 This paper applies National Standard (CNS) A4 Specification (210 X 297 Public Love) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economy 499516 A7 ---------------- B7_______ V. Description of Invention ( 9) Figure 10 is a fragmentary diagram illustrating specific examples of starch fibers that are perpendicular to the fiber main (longitudinal dimension). Figure 10A is a non-exclusive specific example of the number of cross-sectional areas of silk powder fibers. The illustration of the example. Fig. 11 is a fragment of the powder of the temple powder fiber with several cuts along at least a part of the fiber length. When the detailed description of the invention is used herein, the following terms have the following meanings. The elastic structures of starch fibers, or simply "elastic structures", are arrangements of starch fibers that are mechanically entangled with each other to form a sheet product with certain predetermined microscopic geometric, physical and aesthetic properties. `` Starch fibers '' are slender, thin, and highly flexible objects that contain starch and have a very long spindle that is orthogonal to the axis of two fibers that are orthogonal to the spindle. The length of the spindle is perpendicular to Fiber cross section The aspect ratio of the equalized diameter is greater than 100/1, more particularly greater than 5000/1, and more particularly greater than 1000/1, and more particularly greater than 5000/1. Starch fibers may contain other materials For example, water, plasticizer, and other optional additives. "Equalization diameter" here is used to define the cross-sectional area and surface area of individual starch fibers, regardless of the shape of the cross-sectional area. The equalization diameter satisfies the equation S = l / 4; r D2, where the cross-sectional area of the 8-series starch fiber (regardless of its geometry), 7Γ = 3.14159, and the D-series equalized diameter. For example, with two opposite sides "A" and two The cross section of the rectangle formed by the opposite side "B" can be expressed as: S = AXB. At the same time, the cross-sectional area can be expressed as a circular area with an equal diameter D. Then, the equalizing diameter D can be calculated from the equation: S = l / 4; r D2, where the paper size applies the Chinese National Standard (CNS) A4 specification (21Q x 297 public love), ^ ^ # ------ -tr --------- (Please read the precautions on the back before filling this page) 12 499516 A7 B7 V. Description of the invention (S is the known area of the rectangle. (Go to one, U, or the circle.) The equal diameter of a circle is equal to the straight positive diameter). The equalization radius is 1/2 of the equalization diameter. A "pseudo-thermoplastic" combined with "material, or" composition ", is used to indicate the The effects of temperature, dissolution in a suitable solvent, or other means can be softened to the extent that it can produce a flowable state (in its condition, it can be shaped as desired, and more particularly, it can be processed to form a temple suitable for forming an elastic structure. Powder fiber) materials and compositions. Pseudo-thermoplastic materials can be formed under the influence of, for example, the combination of heat and pressure. Pseudo-thermoplastic materials are different from thermoplastic materials because the softening or liquefaction of pseudo-thermoplastic materials is caused by the softening of the existing Agent or solvent, it is not possible without softener or solvent It can be produced by any temperature or force to produce the flowable state required for forming, because the pseudo-plastic material does not "melt". The effect of water content on the glass transition temperature and melting degree of starch can be poorly corrected Cat Sweep Calorimetry (as described in 谷 ㈣ 仏 and Η㈣ 叩 in Cereal Chemistry ,, Volume 64, No. 2, pp. 121-124, 1987) measurement. Pseudo-thermoplastic melt system can be flow dynamic Fake thermoplastic materials. Intellectual Property Bureau employees consume "micro geometry," and its interchangeable terms refer to relatively small (ie, mysterious) details of an elastic structure, such as' surface texture, regardless of the structure's entirety. Structure 'is the opposite of the overall ("macroview,") geometry. The word "macroview," or "macroview," refers to the consideration when it is placed on a two-dimensional structure (such as the X_γ plane). The overall geometry of the structure below, or a part of it. For example, at the macroscopic level, when an elastic structure is placed on a plane, it contains relatively thin and flat sheets. However, at the microscopic level, this Constructs can contain several Two degrees, one plane, one area, and several domes or "pillows" scattered throughout and extending outward from the frame area to form a second height. 丨 This paper size applies Chinese National Standards (CNS) A4 specifications (⑽χ 297) -13

I 499516 V. Description of Invention (11 The “strength property” printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs does not have properties determined by numerical integration in the plane of elastic structures. The common strength property is more than _ Possessed strength properties. These strength properties of the elastic structure of the present invention include density, basis weight, height, opacity, and chirp frequency (if the structure is shortened), but are not limited thereto. For example, if the density is in two different regions Common strength properties, the density value in a region can be different from the density value in another region. Regions (for example, the first and second regions) are distinguishable regions that can be distinguished from each other by individual strength properties. " The basic weight is the weight per unit area of the starch elastic structure (measured in gram force). This unit area is obtained from the surface of the starch fiber structure. The size and shape of the unit area by which the basic weight is measured are based on different basic weights. The relative and absolute size and shape of the area depends on the "density" is the basic weight of the area versus the thickness (The ratio is the one that is perpendicular to the plane of the elastic structure.) The apparent density is the basic weight of the sample divided by the diameter converted by the appropriate unit incorporated therein. The apparent degree at the time of use here has g / cm3. The unit of (g / crn3). Control degree "is the macroscopic thickness of the sample measured as described below. The diameter is different from the height of different regions (which is the microscopic characteristics of the region). '' Glass transition temperature, Tg , Is the temperature at which the material changes from a sticky or rubbery state to a hard and brittle state. "Mechanical direction" (or MD) is the direction parallel to the flow of the elastic structure made by the manufacturing equipment. ,, (or CD) is the direction perpendicular to the mechanical direction and parallel to the general plane of the elastic structure being made. "X", "γ" and "z" represent the traditional Cartesian coordinate system, where 1 The dimensions of this paper apply to the Zhongguanjia standard ^^ 14 size ⑽χ 297 mm) Ordering secret needs to be transferred 14 499516 A7 V. Description of the invention (12 The coordinates "X" and "Y" perpendicular to each other define the XY reference plane, and "z , Is defined perpendicular to X- Y-plane. "Z_direction, means any direction perpendicular to the χ_γ plane. Similarly," Z-dimension, "the term refers to the size, distance or parameter measured parallel to the 2_ direction. When the component ( For example, when the molded component is bent or deplane, the X-Υ plane follows the structure of the component. The "continuously continuous" area (area / network / frame) can be passed between the length of the line A completely continuous unbroken line within the area connects any two points. That is, a substantially continuous area is substantially "continuous" in all directions parallel to the first plane and ends only at the end edge of the area. The term "substance" in continuous combination is used to indicate that although absolute continuity is better, small deviations from absolute continuity can be tolerated, as long as these deviations do not significantly affect the designed and desired elastic structure Concurrent month of the body (or molded component) b The “consistent semi-continuous” area (area / network / frame) of the employees ’consumption of smart money refers to all (but i less than one) directions parallel to the first plane. "continuous ", A region in the domain system does not broken line = completely by traveling across the length of the area within line connecting any two points of the person. A semi-continuous frame may be continuous only in a direction parallel to the first plane. Although similar to the continuous region described above, absolute continuity in all (but at least-) directions is better, unlike this-small deviations in continuity can be tolerated as long as these deviations do not significantly affect Performance of this structure (flexible element). "Discontinuous" areas are individual and separated areas that are discontinuous in all directions parallel to the first plane. 仃 "Absorbent" means that the material is produced in a variety of ways (including capillary, penetrating, and paper dimensions). Applicable to China National Standard (CNS) A4 (210 x 297 mm)

I 499516 V. Description of the invention (l3 All directions in the first plane are discontinuous. "Absorption, which means that materials absorb fluid by various means (including capillary, penetrating, solvent or chemical action) and retain these fluids. Ability. Absorptivity can be measured according to the test methods described here. Flexibility is the ability of a material or structure to deform without breaking under a specific load, regardless of whether the material or structure can recover its pre-deformed shape. " "Molding element" is a support for the starch fibers deposited thereon during the method of preparing the elastic structure of the invention and as a forming unit of the desired microgeometry for forming (or "molding") the elastic structure of the invention Structural elements. Molded elements can include any element capable of imparting the three-dimensional pattern to the structure being produced, and include, but are not limited to, static plates, tapes, woven fabrics, and strips. Desirable components in some specific examples of molded components, but not required, it is mainly used to provide or facilitate the molding including, for example, resin materials The integrity, stability and durability of the component. The reinforcing component may be fluid-permeable, fluid-impermeable or partially fluid-permeable, and may include intertwined yarns, felts, plastics, other suitable synthetic materials, or Any combination of "pressing surface" can press the fiber receiving side of the molding element with a few starch fibers on it to make the starch fibers at least partially flexed in the concave / protruding inside Inside a two-dimensional patterned molded element. "Decitex" or "dtex" is a unit of measurement for starch fibers, measured in grams per 10,000 meters (g / 10, 000 meters). "Melting spinning" is used to make thermoplastic or pseudo-thermoplastic materials through the use of this paper size to apply Chinese National Standards (CNS) A4 specifications (210X297 mm) page order 499516 A7 printed by the Consumers ’Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs ---------- B7___ V. Description of the invention (14) "Mechanical extension" is to induce force on the fiber line by bringing it into contact with the actuating surface (such as rolling) to generate molten material. The strength used to make the fiber "Melting is a method of producing fiber webs or objects directly from polymers or resins by using high-speed air or another suitable force to make the fibers finer. In the melt-blowing method, the force of thinning is It is applied in the form of high-speed air when the material leaves the mold or the spinning plate. Spinning is a method of lowering the fiber by a predetermined distance under the flow force and gravity and then applying force through high-speed air or another suitable source. "Electricity "Spinning" is a method of using electromotive force as a force to thin fibers. "Dry spinning" (also commonly referred to as "solution spinning") involves drying with a solvent to stabilize the fiber formation. The material is dissolved in a suitable The solvent is drawn through mechanical stretching, melt-blowing, spunbonding, and / or electrospinning. When the solvent is steamed, the fiber becomes stable. "Wet spinning" includes dissolving a material in a suitable solvent and forming small fibers via mechanical stretching, melt blowing, spunbonding, and / or electrospinning. When the fibers are formed, they operate in a coagulation system (which generally includes a bath filled with a suitable solution, which cures the desired material, thereby creating a stable fiber). "Substantially compatible with starch. High polymer means that when the composition is heated to a temperature softening and / or melting temperature, the high polymer can form a substantially homogeneous mixed composition with starch. (Ie, a composition that is transparent or translucent to the naked eye). "Melting temperature" refers to melting or softening the starch composition enough to be --------I, ---- Φ 0 (Please read the back first Please fill in this page before ordering. Order.-· This paper size applies the Chinese National Standard (CNS) A4 specification (21,297 mm) 17 499516 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 V. Invention Description (15 ) The temperature or temperature range in which the starch fibers according to the present invention are processed. It is important to understand that certain powder compositions are pseudo-thermoplastic compositions and therefore cannot exhibit pure "melting" behavior. "Processing temperature" refers to the temperature at which The starch fiber of the present invention can be formed by, for example, the temperature of the starch composition formed by the drawing effect. Refer to Figures 1-3 for the elastic structure. The elastic structure 100 including the pseudo thermoplastic starch fiber includes at least one The first region 110 and the second region 120. Each of the first and second regions has at least one common strength property, such as a basic weight of 1 or density. The common strength properties of the first area 110 are numerically related. Different from the common strength property of the second region 120. For example, the density of the first region 110 may be the same as the density of the second region 120. The first and second regions 11 and 12 of the elastic structure 100 of the present invention. It can also be different in its individual microgeometry. For example, in Figure 1, the first region 110 contains a substantially continuous network, which is placed on a flat surface of the structure 100, and the first rain degree forms the first A plane; and the second region 120 may include several individual regions dispersed throughout a substantially continuous network. In some specific examples, these individual regions may include individual protrusions, or "pillows," Extending outward from the network area to form a first degree that is greater than the first height relative to the first flat surface. It should be understood that these pillows may also include substantially continuous patterns and substantially semi-continuous patterns. In a specific example Medium and substantial continuous networks The domain may have a relatively high check, and the pillow may have a relatively low density. In another specific example, a continuous network region may have a relatively low basic weight, and the size of the pillow is 剌China National Standard (CNS) A4 Specification (21G X 297 mm) ------ · r —------- Order --------- (Please read the note on the back first? Matters (Fill in this page again) 18 499516 Printed A7 by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs -----_ Ε _____ V. Description of the Invention (16) The object may have a relatively high basic weight. In another specific example, it is substantially continuous The network area may have a relatively low density, and the pillow may have a relatively high density. A specific example is considered, in which a substantially continuous network area may have a relatively high basis weight, and the pillow may have a relatively low basis weight. In another specific example, the second region 120 may include a semi-continuous network. In Figure 2, the second region 120 includes individual regions 122 (which are similar to those in Figure 1); and semi-continuous regions 121 (which are on the χ-γ plane (that is, A plane formed by the first region 110 of the structure 100 extends in at least one direction). In the specific example shown in FIG. 2, the elastic structure 100 includes a third region 130 that has at least one strength property that is common to the strength properties of the first area and the strength properties of the second area 120 and is numerically different. . For example, the first region 110 may have a common strength property with a first value, the second region 20 may have a common strength property with a second value, and the third region 13 may have a common strength property with a second value. , Where the first value may be different from the second value, and the third value may be different from the second value and the first value. When a structure containing at least three different regions 11, 12, and 13 as described above is placed on a horizontal reference plane (for example, the χ-γ plane), the first region 11 is bounded by one degree. Plane, and the second region 120 extends from it to define a second two degrees. A specific example is considered, during which the third region 13o defines a third height, wherein at least one of the first, second and third heights is different from at least one of the other heights. For example, the third height may be between the first and second heights. This paper size applies to China National Standard (CNS) A4 specification (210 X 297 mm) '---- — — — — — II — I (Please read the precautions on the back before filling this page) Order ---- ----- .Γ 499516 A7 B7 V. Description of the invention (17) The following table shows (without limitation) the details of the structure 100 containing at least three regions with different (ie, high, medium or low) strength properties. Some possible combinations of examples. All such specific examples are included within the scope of the present invention. I — -I ϋ —4 ϋ mmmam ϋ 请 (Please read the precautions on the back before filling out this page) Order --- Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economy 20 This paper applies Chinese National Standard (CNS) A4 Specification (210 X 297 mm) 499516 A7 B7 V. Description of the invention (18) Printed by the Intellectual Property Bureau of the Ministry of Economic Affairs, Consumer Cooperatives, Low and medium continuous discontinuity, discontinuity, discontinuity, continuous discontinuity, continuous discontinuity, semi-continuous, semi-continuous, and semi-continuous. Continuous semi-continuous semi-continuous discontinuous semi-continuous semi-continuous-semi-continuous discontinuous semi-continuous discontinuous discontinuous semi-continuous ...-semi-continuous discontinuous discontinuous discontinuous discontinuous semi-continuous discontinuous semi-continuous discontinuous discontinuous Discontinuous discontinuous discontinuous discontinuous discontinuous discontinuous discontinuous discontinuous discontinuous discontinuous discontinuous discontinuous discontinuous discontinuous discontinuous discontinuous discontinuous discontinuous discontinuous discontinuous discontinuous discontinuous discontinuity ----- i ^ w— (Please read the note on the back? Matters before filling out this page) This paper size applies to China National Standard (CNS) A4 Specification (210 X 297 mm) 21

Printed in Figure 3 by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, another specific example of the elastic structure 100 of the present invention is shown. In the specific example, the second area 120 includes a plurality of temple pillows, of which At least some of the equal pillows include a starch dome portion 128 and a starch cantilever portion 129 extending from the starch dome portion 128. The starch cantilever portion 129 rises from the χ-γ plane and extends from the dome portion 128 at an angle to form a substantial gap between the first region 110, the starch dome portion 128 extending therefrom, and the starch cantilever portion ( Or "bag-like,"). In the case of large cranial wounds, due to the existence of these substantial gap bags 115 that can receive and retain a large amount of fluid, the elastic structure 100 shown in Figure 3 is considered to be The special basis weight exhibits very high absorption characteristics. The pouch 5 is characterized by having no or very small amount of starch fibers in between. Those skilled in the art will understand that the preparation of the elastic structure 100 is discussed below. Method, and due to the high elasticity of the starch fiber and the elastic structure 100 as a whole, individual starch fibers with a certain content existing in the bag 115 can be tolerated as long as these starch fibers do not interfere with the structure 100. The design pattern and its desired properties. In this content, "essentially, the term gap pocket 115 is used to recognize the south elasticity of the structure 100 and the individual starch fibers containing the structure 100. ,certain Small amounts of starch fibers or portions thereof can be found in the pouch 115. The density of the bag 115 is not more than 0.05 g / cm3 (g / cc) 'more specifically is not more than 0 004 g / cc, and more particularly not more than 0.003 g / cc. On the other hand, The elastic structure 100 including the cantilever portion 129 is characterized by the promoted overall surface area of the pseudo-structure compared with that without the cantilever portion 129. Those skilled in this art will understand that the individual cantilever part 129 This paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm) 22 I ^ I ----- ^ --------- (Please read the notes on the back before filling this page)-^ 1 .1 I ϋ ϋ ϋ ϋ Description of the invention (2) The larger the number and the individual micro-surface area, the micro-ratio table (ie 'placed in The larger the total macroscopic area of the structure on the plane per unit (the micro-surface area per unit) is, the larger it is. If you are familiar with this technique, you can understand that the larger the absorption surface area of the structure, the greater its absorption capacity, and all other parameters are equal. In a specific example of the structure 100 including the cantilever portion 129, the cantilever portion 129 may include the third region of the structure 100. For example, a specific example is measured, wherein the density of the starch cantilever portion 129 is the intermediate value of the density of the first region 11 and the density of the second region 120 including the dome portion. In another specific example, the density of the dome portion 128 is an intermediate value between the relatively higher density of the first region 110 and the relatively lower density of the cantilever portion 129. Similarly, the basic weight of the cantilever portion 129 may be equal to, or in the middle of, one or both of the first region 11 and the second dome portion 128, or greater than it. Method of preparing elastic structure Figures 8 and 9 show two specific examples of a method of preparing an elastic structure 100 including starch fibers. Firstly, Shudian powder fiber was provided. The preparation of starch fibers of the elastic structure 100 according to the present invention can be made by various techniques known in the industry. For example, starch fibers can be prepared from pseudo-thermoplastic molten starch compositions and by various melt spinning methods. The size of the starch fibers may vary from about 0.00ldtex to about 135dtex, more specifically from about 0.05dtex to about 50dtex, and more specifically from about 0.00 Oldtex to about 5.0dtex. Certain References (including U.S. Patent No. 4,139,699, issued to Hernandez et al. 'February 13, 1979; U.S. Patent No. 4,853,168 This paper is a standard paper size of Caiguan County (CNS) A2 (2 ^ $ 7 Mm_j_ (Please read the notes on the back before filling out this page) Order the printed copy of the Intellectual Property Bureau Employee Consumer Cooperative of the Ministry of Economic Affairs to No. 23 V. Invention Description (21), awarded to Eden et al., August 1989 i; and U.S. Patent No. 4 234_, awarded to Hernandez et al. (January 6, 1981, U.S. Patent Nos. 5,516,815 and 5,316,578, Buehler et al.) are related to the use of melt spinning to prepare starch fibers. Starch composition. The molten starch composition can be extruded through a spinneret to produce fibers having a slightly enlarged diameter (which is due to the mold expansion effect) compared to the diameter of the spinneret of the spinneret. Fiber Thereafter, the fiber diameter is reduced mechanically or thermo-mechanically by a stretching unit. Several devices for producing a non-woven thermoplastic fabric structure from a self-extruded polymer are known in the industry and are applicable. For the preparation of the long elastic hall Fibers. For example, extruded starch composition can be passed through a spinning plate (not shown) to form a vertical orientation curtain of starch fibers advancing downward. Starch fibers can be stretched or drawn with a suction type Quenching the air in the air gap connection. US Patent No. 5,292,239 (issued to Zeldin et al., March 8, 2013) reveals a reduction in a large amount of turbulence in the air flow to uniformly and uniformly apply tensile force to starch The second device. The disclosure of this patent is incorporated herein as a reference to teach ways and equipment to reduce the turbulence in the air stream when starch fibers are formed. ^ For the present invention, starch fibers may self-contain starch, It is made from a mixture of water, plasticizer and other optional additives. For example, a suitable powder mixture can be converted into a pseudo-thermoplastic melt in extrusion H, and conveyed to the stretching unit through the spinning plate to form a downward direction. The vertical orientation curtain of the advancing starch fiber. The spinneret may include components known in the industry. The spinneret may include several nozzle holes, which have holes with a wearing area suitable for producing starch fibers. 499516 A7 2. Description of the invention (22) The silk plate can be adapted to the flow of starch composition, so that it has the same flow rate (if required). In addition, the flow of different nozzles can be changed. The stretching unit (not shown) can be located in the extrusion Downstream of the plasticizer, it may include an upper open end, a lower open end opposite it, and an air supply header (which supplies compressed air to the inward nozzle in a downward direction). When the compressed air flows through the inner nozzle, Air is introduced into the open end above the stretching unit to form a fast-removing linear flow flowing in the downward direction. The air flow generates tensile forces on the powder fibers, pulling it forward from the low open end of the stretching unit. It has been found that starch fibers suitable for the elastic structure 100 can be produced by an electrospinning method in which an electric field is applied to the powder solution to form a charged starch spray. Electrospinning methods are known in the industry. Paper entitled "Electrospinning Methods and Applications of Electrospun Fibers" (Doshi, Jayesh, Nat Lilal,

Ph.D., 1994) describes the electrospinning method and the research into the forces involved in this method. This paper also explores some commercial applications of electrospun fibers. This paper is hereby incorporated to describe the principles of electrospinning methods. U.S. Pat. Japan); 2,160,962 (June 6, 1939); 2,187,306 employees of the Intellectual Property Bureau (January 16, 1940); and 2,158,416 (May 16, 1939) case No. The Department was awarded to Formhals) to describe the electrospinning method and its equipment. Other references describing electrospinning methods include: U.S. Patent No. 3,28,229 (issued on October 18, 1966) (issued to Simons); 4,044,404 (issued on August 30, 1977) (issued to

(Martin et al.); 4,069,026 17th) (Issued to Noodles et al.), 4,143,196 (March 6, 1979) (Awarded to Simm); 4,223,101 This paper size applies the Chinese National Standard (CNS ) A4 size (210 X 297 mm

I ^ 9516 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 ------- B7_____ V. Description of Invention (23) (September 16, 1980) (Awarded to? ^ Et al); 4,230,650 (1980 (October 28th) (to Guignard); 4,232,525 (November 11, 1980) (to Enj0 et al.); 4,287,139 (September 1, 1981) (to Guignard); 4,323,525 (1982 (April 6) (Bonat); 4,552,707 (November 12, 1985) (Award to How); 4,689,186 (August 25, 1987) (Award)

Bornat); 4,798,607 (January 17, 1989) (issued to Middleton et al.); 4,904,272 (February 27, 1990) (issued to Middletown et al.); 4,968238 (November 6, 1990) (issued烚 Satterfield et al.); 5,024,789 (January 18, 1991) (to Barry); 6,106,913 (January 22, 2000) (to Scardino et al.); And 6,11,559,500 (200,000) (August 29, 2014) (granted to Zarkood et al.). The disclosures of the aforementioned patents are incorporated herein as a reference for the limited purpose of describing the general principles of electrospinning methods and equipment. Although the aforementioned reference teaches various electrospinning methods and apparatuses, it does not teach that the starch composition can be successfully processed and extruded into thin, substantially continuous starch fibers suitable for forming the elastic structure 100 of the present invention. Naturally produced starches are not processed by electrospinning because natural starches generally have a granular structure. An improved "destructuring" has been discovered, and the starch composition can be successfully processed using the electrospinning method. The commonly assigned patent application (invention name "the melt-processable starch composition, ((Larry Neil Mackey et al., Agent tag number 7967R) was filed on the filing date of this application) and disclosed a starch composition suitable for the production of starch fibers for use in this roll moon bomb ('raw structure 1000. Starch composition contains The size of the deposited paper with a weight average molecular weight of about 1,000 to about 2,500,000 is applicable to China's $ ST ^ S) A4 specification (21 ^ 297mm) ^ -------- Order — (Please read the notes on the back before filling out this page) 0 26

Η ^ # -------- tT ------ (Please read the notes on the back before filling out this page) Printed by the Employee Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 499516 A7 ------- -------- B7_______ 5. Description of the invention (24) Powder, and may contain a high polymer that is substantially compatible with starch and has a weight average molecular weight of at least 50,000. In a specific example, the powder composition may have about 20% to about 99% by weight amylopectin. The disclosures of this jointly assigned settlement are incorporated herein for reference. According to the present invention, the powder polymer can be mixed with water, plasticizers, and other additives, and the resulting melt can be processed (e.g., extruded) and constructed to produce starch fibers suitable for the elastic structure of the present invention. Starch fibers can have a small amount to 100% starch, or a blend of starch and other suitable materials such as cellulose, synthetic materials, proteins, and any combination thereof. Starch polymers can include any naturally occurring starch, physically modified melon powder or chemically modified temple powder. Suitable naturally-occurring rice flour may include (but to a limited extent) maize starch, potato starch, sweet potato starch, wheat starch, crust coconut rice flour, rice flour starch, rice rice flour, soybeans rice flour, kudzu rice flour, fern starch, Lotus starch, waxy maize starch, high starch sugar corn shoulder powder, and commercial sugar powder. Naturally occurring starches (especially corn flour, potato starch, and wheat flour) are the chosen flour polymers (because of their availability). Physically modified starch is formed by changing its dimensional structure. Physically modified starches may include alpha-starch, graded starch, moisture and heat-treated starch, and mechanically treated starch. Chemically modified starch can be formed by the reaction of its oxo group with alkylene oxides and other substances that form it-, ester-, aminocarbamate-, aminocarbamate- or isocyanate. The hydroxyalkyl, acetamido, or urethane starch or a mixture thereof is a specific example of chemically modified starch. Hall of Chemical Modification The paper size applies to Chinese National Standard (CNS) A4 (210 X 297 mm) 27 499516 A7

The degree of substitution of printed products by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs ranges from 0.05 to 3.0, and more specifically from 0.05 to 0.2. The natural water content may be from about 5 wt% to about 16 wt%, and more specifically from about 8 wt% to about 12 wt%. The starch sugar content of starch is 0% to about 100%. And more particularly about 20% to about 30%. A plasticizer can be added to the starch polymer to reduce the glass temperature of the manufactured # 之 殿 粉粉 纤 to promote its flexibility. In addition, the presence of plasticizers can reduce the viscosity of rhenium, which in turn promotes bright melt extrusion. Plasticizer is an organic compound having at least a radical, for example, a polyol. Mountain = sugar alcohol, mannitol, D-glucose, polyvinyl alcohol, ethylene glycol, polyglycol, propylene glycol, polypropylene glycol, sucrose, fructose, glycerol and mixtures thereof have been found to be suitable. Examples of plasticizers include a range of about 0.01% to about 70% by weight (more specifically about 0.2% to about 30% by weight, and more specifically about 0.5% to about 10% by weight). Contents of sorbitol, sucrose and fructose. Other additives may typically be included in starch polymers as processing aids and to improve physical properties such as the elasticity, dry tensile strength, and wet strength of extruded starch fibers. Additives are typically present in an amount of 0% to 70% by weight (which is based on non-volatile materials, indicating that the content is calculated by excluding volatile materials such as water). Examples of additives include, without limitation, urea, urea derivatives, cross-linking agents, emulsifiers, surfactants, lubricants, proteins and other salts, biodegradable synthetic polymers, waxes, low-melt synthetic thermoplastics Polymers, thickening resins, extenders and mixtures thereof. Examples of biodegradable synthetic polymers include (without limitation) polycaprolactone, polyhydroxybutyl ester, polyhydroxypentyl ester, polymilk. This paper is sized to the Chinese National Standard (CNS) A4 (210 X 297). (%) J ^ #Order ---------. (Please read the notes on the back before filling out this page) 28 499516 26 V. Description of the invention (Ester and its mixtures. Other additives include optical additives Brighteners, antioxidants, flame retardants, dyes, colorants and fillers. For the present invention, additives containing urea in a content of 0.5% to 60% by weight can be advantageously included in the starch composition. Used here Suitable extenders include gels; vegetable proteins (such as corn protein, sunflower protein, soybean protein, cotton seed protein); and water-soluble polysaccharides (such as alginate, carrageen, guar gum, agar gum, Gum acacia and related gums, and pectin); and water-soluble derivatives of cellulose (such as alkyl cellulose, hydroxyalkyl cellulose, carboxymethyl cellulose, etc.). Furthermore, water-soluble synthetic polymers ( (E.g., polyacrylic acid, polyacrylic acid vinegar, polyvinylacetate, polyvinylacetol, polyvinylpyrrolidone, etc.) can be used.% Lubricant compounds can be further added to improve during The flowing properties of starch materials. Lubricant compounds may contain animal or vegetable fats, compared to their hydrogenated forms, especially those that are solid at room temperature: Other lubricant materials include monoglycerol vinegar and diglycerol vinegar and lin vinegar ( Especially fat). For the present invention, lubricating compounds containing monoglycerol vinegar and glycerol monostearate are considered to be advantageous. Further additives (including inorganic fillers such as magnesium, aluminum, silicon, etc.) And ^ too oxide) can be added as a noble filler or processing aid. In addition, inorganic salts (including metal test salt, soil test metal salt, phosphonium salt, etc.) can be used as processing aid Depending on the particular end use of the product under consideration, other additives may be used. ^ __ ^ ^ ^ Such as technical paper, disposable paper towels, tissue paper and other similar 1 paper rule # 1 ^ quasi_λ4 specifications ( χ Norway male hair 29 A7

499516 V. Description of the invention (27) In the products of the product, the wet strength is a desired property. Therefore, it is generally known in the starch polymer addition industry as "wet strength, a known crosslinking agent for resins. General papers on the types of wet strength resins used in paper products can be found in the paper and paperboard of TAPPI article number 29. Wet strength, found in the Technical Association of the Pulp and Paper Industry (New York, 1965), which is incorporated herein by reference. The most useful wet strength resins are generally cationic. Polyamide-epichlorohydrin resin is a cationic Polyamidoamine-epichlorohydrin wet-strength resins, which have been found to have special uses. Appropriate types of these resins are described in US Patent Nos. 3,700,623 (issued October 24, 1972) and 3,772,076 ( (Issued November 13, 1973), both of which were awarded to Keim, whose disclosures are incorporated here for examination. A useful commercial source of polyamine_epichlorohydrin fef month is Drava These resins are marketed under the trade name Kymene ™ by Hercules, Inc. of Wilmington, Texas. Glyoxylated polypropylene amidamine resins have also been found as wet strength resins. These resins are described in US Patent No. 3,556,932 ( 1971 1 Issued to Coscia on 19th, and Case No. 3,556,933 (to Williams et al., On January 19, 1971), the disclosures of which are incorporated herein by reference. A commercialization of acetic acid-polyacrylamide resin The source is Cytec Corporation of Stanford, Connecticut, which is a resin marketed under the trade name ParezTM 631 NC. Other water-soluble cationic resins that can be used in the present invention are urea formic acid and melamine formaldehyde resin. The more common functional groups of these multifunctional resins are nitrogen-containing groups, such as amine groups and methyl alcohol groups attached to nitrogen. Polyethylene based paper standards are applicable to Chinese National Standard (CNS) A4 specifications (210 X 297 mm) -----, — ^ ------- Order ---------— Aw— ^ (Please read the notes on the back before filling this page) Wisdom of the Ministry of Economy Printed by the Property Bureau employee consumer cooperative 30 V. Description of the invention (28) Amine-type resins have also been found to be useful in the present invention. In addition, temporary wet-strength resins (such as Caldas 10 (manufactured by Japan 日本 met) B); nd iOOO j (manufactured by National Yodo Chemical Co., Ltd.) can be used in the present invention. For the present invention, a The cross-linking agent is a wet strength resin Kymene ™, the content of which ranges from about 0 "% to about 10% by weight, and more specifically about"% to about 3% by weight. "To prepare an elastic structure 100 suitable for the present invention The fiber powder, the powder composition needs to exhibit certain rheological behavior during processing, such as a specific tensile viscosity and a specific capillary number. Of course, the processing type (for example, melt blowing, electrospinning, etc.) It can indicate the required rheological properties of the powder composition. The elongation or elongation viscosity e) is related to the melt stretchability of the starch composition, and is particularly important for the stretching treatment (the preparation of the fiber powder). Tensile viscosity includes two types (which depend on the deformation type of the composition). Early or simple tensile viscosity, biaxial tensile viscosity, and pure shear tensile viscosity. Uniaxial stretching viscosity is particularly important for uniaxial stretching processes such as mechanical stretching, melt-blowing, and electrospinning. The other two types of stretching viscosities are important for biaxial stretching or forming processes for forming films, foams, sheets or parts. For traditional fiber spinning thermoplastic materials (such as polyolefins, polyamines, and polyesters), there is a strong correlation between the tensile viscosity and shear viscosity of these traditional thermoplastic materials and their blends. . #, The spinnability of the material can be simply determined by the shearing degree, even if the spinnability is mainly controlled by the melt stretch viscosity. This interrelationship is quite strong. In this way, the fiber industry can rely on this paper to apply the Chinese National Standard (CNS) A4 specification (210 X 297) in the selection and preparation of melt-spinning materials (210 X 297). Print A7 ------------ V. Description of the invention (29) Melting shear viscosity. Melt tensile viscosity is rarely used as a screening tool in the industry. Therefore, the starch composition of the present invention was surprisingly discovered. It is not necessary to exhibit this correlation between shear and tensile viscosity. The starch composition here can exhibit the typical melt flow behavior of non-Newtonian fluids, and thus can exhibit strain hardening behavior, that is, the tensile viscosity is dependent on strain or deformation It increases when it increases. For example, when a high polymer selected according to the present invention is added to a starch composition, the shear viscosity of the composition remains relatively unchanged, or decreases slightly. Based on traditional wisdom, this starch composition is expected to exhibit Reduced melt-handling properties, and are not expected to be suitable for melt-stretching. However, it has been surprisingly found that the starch composition shown here exhibits a stretch viscosity Significant increase, even when the Xiaonan polymer is added. Therefore, the starch composition here was found to have promoted melt stretchability, and is suitable for melt stretch processing, especially including melt blowing, spinning Adhesive and electrospinner. Has less than about 30 Baska. Seconds (Pa. S) (more specifically about 0 Papa. S, .spoon 10 Pa s, more particularly about 10 Pa s. The powder composition of the shear viscosity (measured in accordance with the test method disclosed later) can be used for the melt-thinning treatment method. Some powder-killing compositions here can have low melting viscosity. It is mixed, transported or otherwise processed in conventional polymer processing equipment typically used for viscous fluids (such as static mixtures equipped with metering pumps and spinnerets). The shear viscosity of the powder composition can be determined by Umbrella knife's knife and molecular I distribution, high polymer molecular weight and plasticizer and / or solvent content are effectively improved. It is believed that reducing the average molecular weight of rhenium is an effective way to reduce the shear viscosity of the composition. Money + Guan Jiabiao sheep (CNS) A4 specifications (21G : 297 mm 7

^ * 1T --------- ^ _ wi · (Please read the precautions on the back before filling out this page) 32 499516 Printed by A7, Consumer Cooperatives, Intellectual Property Bureau, Ministry of Economic Affairs V. Invention Description (3〇) at In a specific example of the present invention, the melt-processable starch composition has a temperature of about 50 Pa · s to about 20,000 Pa · s (more specifically, about 100? &Amp; 1 to About 15,000 1 ^ 1, more specifically about 20,000 ^ 1 to about 10,000 Pa · s, and more specifically about 300 Pa · s to about 5000pa · s, and more particularly It is a tensile viscosity in the range of about 500 Pa · s to about 3,500 Pa · s). The tensile viscosity is calculated according to the method shown later in the Analytical Methods section. Many factors affect the rheological behavior (including tensile viscosity) of the starch composition. These factors include (without limitation): the content and type of polymer components used, the molecular weight and molecular weight distribution of the components (including starch and high polymers), the amylose content of the starch, additives (for example, plasticization Content, type, release agent, processing aid), processing form (for example, melt-blowing or electrospinning), and processing conditions (such as temperature, pressure, deformation rate, and relative humidity), and Deformation history (ie, time or strain history dependence) in the case of non-Newtonian materials. Certain materials may be strain hardened, that is, their tensile viscosity increases as the strain increases. This is thought to be due to the stretching of the entangled polymer network. If stress is removed from the material, the stretched entangled polymer network relaxes to a lower degree of strain, which depends on the relaxation time constant (which is a function of temperature, polymer molecular weight, solvent or plasticizer concentration, and other factors). set. The presence and properties of high polymers can have a significant effect on the stretch viscosity of starch compositions. The high polymers used to promote the extensibility of the starch composition used in the present invention are typically high molecular weight substantially linear polymers. In addition, high polymers that are substantially compatible with Dianfen are most effective in promoting the melt-stretchability of Juefen group and products. This paper size is applicable @ @ 家 鲜 （CNS) A4 specification (210 X 297 mm) — (Please read the notes on the back before filling this page) -i_i ϋ IH · ϋ -11 I I ai_i «1 ϋ 1 I p 33 499516 A7

34 499516 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 V. Description of the invention (32) The Trudon ratio (Tr) can be used to indicate stretching flow behavior. Truton ratio is defined by the ratio between tensile viscosity Ue) and shear viscosity Us).

Tr = 7? E (ε ·, t) / 7? S, where the tensile viscosity ^ depends on the deformation ratio u.) And time ⑴. For Newtonian fluids, the uniaxially stretched Truton ratio has a constant of three. For non-Newtonian fluids, the tensile viscosity of such a powder composition depends on the deformation ratio U) and in time. It has also been found that the melt-treated composition of the present invention typically has a Truton ratio of at least about 3. Typically, when measured at a processing temperature and a stretch ratio of 700 ^ at a Hencky strain of 6, the Trudon ratio ranges from about 10 to about 5, _, and particularly from about 20 to about 1 It is about 30 to 500. The applicant has also found that in the specific example in which starch fibers are produced by extrusion, the capillary number (Ca) of the starch composition is important for the melt processability when passing through an extrusion tool. Capillary number is a numerical value indicating the ratio of viscous fluid force to surface tension. Close to the exit of the capillary die, if the viscosity is not significantly greater than the surface tension, the fluid fibers will return to dripping, which is generally referred to as "atomization". Capillary system is calculated according to the following equation:

Ca = (η s · 〇) / {π · r2 · σ) where 7? S is the shear viscosity measured at a shear rate of 3000 s · 1 (basca · sec); Q is the volume of the capillary mold Fluid flow rate (1113/3); r is the radius (meter) of the capillary mold (for non-circular spinneret, the equalized diameter / radius can be used); and (7 surface fluid surface tension (Newton / cm) Since the capillary number is related to the shear viscosity as described above, it is the same factor that affects the shear viscosity and affects it in a similar way. When used here, this paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) 35 i, -------- Order --------. (Please read the notes on the back before filling this page) 499516 A7 B7 V. Description of the invention (33 ) And the number or surface tension of the surname "·, the essence of taking knife, mouth, (inherent) — word means the external factors (such as the existence of galvanic current) influence the nature of the palace powder The term "effective" refers to the properties of the powder composition of the palace affected by external factors (for example, the presence of galvanic fluid). In the specific example of the present invention, The dazzling melting powder composition has an intrinsic capillary number of at least ㈣ and an effective capillary number of at least 丨 0 when passing through the mold. When there is no static electricity, the capillary number must be greater than that for fiber formation. For strong stability, the capillary number must be greater than 5. With static electricity, the = repulsive force cancels the effect of surface tension, so the essential capillary number (no charge exists in the daily observation) can be less than 1. When the electromotive force is applied to the formed fiber Based on the following equations, the effective surface tension is reduced and the effective capillary number is increased: Although the capillary number can be expressed in different forms, it can be used to determine the representative equation system of the essential capillary number: I Ψ

Ca essence = 7y s · vl ′, where: Ca essence is the essential capillary number β s is the shear viscosity of the fluid w is the linear velocity of the fluid α is the surface tension of the fluid because it is related to the present invention, representative examples are as follows Describe composition and properties. Formula Pure Starch 59 Deionized Water from Natural Starch Company 40.00% 59.99%

Cytec Superfloe N-300 LMW (High 0.01〇 / 〇

Size of this paper_Cap_Standard (CNS) A4 size T7F 499516 A7 B7 V. Description of the invention (34 molecular weight polypropylene amidamine) Shear viscosity at operating temperature 3000S-1 Nozzle diameter linear rate Essential surface tension 120 ° F 0.1 Pa · S • 0254 cm • 236 m / s 72 dyne / cm Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, the experimental ground is printed on the fluid. There is no static charge on the fluid. Drop under individual action. As the electromotive force on the system increases, the droplet size becomes smaller and it starts to accelerate to the grinding structure. When the electromotive force (25 kV for this sample) reached a critical value, drips no longer formed at the nozzle tip, and small continuous fibers flowed out of the nozzle tip. Therefore, the applied electromotive force has now overcome the surface tension and eliminated the capillary failure mode. The effective capillary number is now greater than 丨. Laboratory experiments (with the solutions and perforated structures described) produced substantially continuous fibers. The fibers are collected in the form of a fiber mat on a vacuum screen. Analysis by optical microscopy showed that the fibers formed were continuous and had a diameter of 3 to 5 microns. In some specific examples, the essential capillary number may be at least 丨, more specifically about 1 to 100, more specifically about 3 to about 50, and even more specifically about 5 to about 30. The starch composition here is processed with flowability, which is typically generated at a temperature at least equal to its "melting temperature, or higher. Therefore, the processing temperature range is determined by the starch composition. 'Melting temperature system, which is measured according to the test method detailed here. The melting temperature range of the fine powder of the temple here is about 20.0 to about 180 ° C5c, more specifically the system mechanism control

Approx. 3C ----------- ΊΙΦ0 (Please read the notes on the back before filling in this page) Private paper scale l fig home fresh (⑽A4χ 297 public love) 499516 A7 B7

Exemplary uniaxial stretching treatment methods suitable for the starch composition include melting, square wire, melting σ man-made and spinning diamond. These methods are described in detail in U.S. Pat.

National Patent No. 4,418,026 (issued to Blackie et al. On November 29, 1983); US Patent No. 4,885,179 (issued to Bourland on August 8, 1989); US Patent No. 4,909,976 (to 199 Issued to Cuculo et al. On March 20, 2000; US Patent No. 5 145 631 (issued to Jezic on September 8, 1992); US Patent No. 5,516,815 (issued to May 1996 To Buehler et al.) And U.S. Patent No. 5,342,335 (issued to Rhim et al. On August 30, 1994); the disclosures of all the above patent cases are incorporated herein by reference. The devices illustrated in Figures 7, 8 and 9 are devices 10 for producing starch fibers suitable for the elastic structure 100 of the present invention. The device 10 may include, for example, a single-screw or twin-screw extruder, a positive displacement pump, or a mixture thereof, as known in the industry. The starch solution may have a total water content (ie, water of hydration plus added water) ranging from about 5% to about 80%, and more specifically from about 10% to about 60% (which is compared to The total weight of the material in the hall). The powder material is heated to an elevated temperature sufficient to form a pseudo-thermoplastic melt. This temperature is typically the same as the glass transition temperature and / or melting temperature of the forming material. The fake thermoplastic melt of the present invention is known in the art as having a shear rate dependent on viscosity.

This paper scale play towel 0 national standard (CNS) A4 specification (2 x X 297 mm)

. ^ ^ # ------- Order ------ (Please read the notes on the back before filling out this page) See 499516 Printed by A7, Consumer Cooperatives, Intellectual Property Bureau, Ministry of Economic Affairs ------ ------ Ban ______ V. Description of the Invention (36) Compound fluid. Viscosity decreases with increasing shear rate and increasing temperature. The starch material can be heated in a closed volume in the presence of low-concentration water to convert the material into a pseudo-thermoplastic, molten material. The confined volume can be a confined volume or a volume created by the sealing effect of the feed occurring within the screw of the extrusion equipment. The pressure generated in the closed container includes the pressure due to the vapor pressure of water and the pressure due to the compression of the material in the extruder screw-sleeve. Bond cleavage catalysts (which break the glycosidic chains in the starch macromolecules and lower the amount of P cows, resulting in a decrease in the average molecular weight of the powder), can be used to reduce the viscosity of pseudo-thermoplastic melts. Suitable catalysts include inorganic and organic acids. Suitable inorganic acids include chlorohydrochloric acid, sulfuric acid, nitric acid, phosphoric acid, and boric acid, and partial salts of polybasic acids (eg, NaHS〇4 or ^ 八 1 ^ 1 > 〇4, etc.). Suitable organic acids include formic acid, acetic acid, propionic acid, butyric acid, lactic acid, glycolic acid, oxalic acid, citric acid, tartaric acid, itaconic acid, succinic acid, and other organic acids known in the industry (including partial salts of polybasic acids). ). Hydrochloric acid, sulfuric acid and citric acid (including mixtures thereof) can be advantageously used in the present invention. The reduction in molecular weight of the unmodified starch used can be reduced by a factor of 2 to 5000 (more specifically a factor of 4 to 4000). The catalyst concentration range is from 1.0 to 1.0 mol per mol of anhydrous glucose unit catalyst, and more specifically from mol anhydrous glucose unit 0.1 to 10 to 3 x 5 to 3 Mol's catalyst. In Fig. 7, the starch composition is supplied in an apparatus 10 for electrospinning production of starch fibers of the elastic structure 100 of the present invention. The device 10 comprises a housing 11 which is constructed to receive (arrow A) the starch composition 17 which is retained (arrow D) and extruded (arrow D) into starch fibers 17a through the injection opening 14 of the die head 13. The annular cavity 12 can be provided with a cyclic (arrow B and C) heating flow. The paper size is in accordance with the Chinese National Standard (CNS) A4 (21〇 X 297 mm) 39

I "-Pan -------- Order --------- (Please read the notes on the back before filling out this page) 499516 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 _____JB7_____ V. Description of the invention (37) The body is used to heat the starch composition to the desired temperature. Other heating devices known in the industry (such as using electric heating, pulse combustion, water and steam-heaters) can be used to heat the temple The electric field can be supplied, for example, directly to the starch solution via a charging probe, or to the housing 11 and / or the extrusion mold 13. If desired, the molding element 200 can be opposite to the extruded starch fiber The electric charge is charged. In addition, the molding element can be ground. The potential difference can be 5kv to 60kv, and more particularly 20kV to 40kV. Then, several extruded starch fibers can be deposited in the mechanical direction% 0 The molded element 200 is a certain distance from the device 10. This distance should be sufficient to allow the starch fibers to extend and then dry, while maintaining different charges between the starch fibers leaving the spray nozzle 14 and the molding element 200. For For this purpose, dry air flow It is supplied to the starch fiber to cause the starch fiber to turn at an angle. This can keep the spray nozzle 14 and the molding element 200 at a minimum distance-to maintain different charges therebetween, and at the same time, make the nozzle and the molding element The length of some of the fibers in the 200 area is the largest-in order to effectively dry the fibers. In this configuration, the molding element 200 can be at an angle with respect to the fiber direction when it leaves the spray nozzle 4 (arrow in Fig. 7). Optionally, the drawing air can be used in combination with electrostatic forces to provide a drawing force that causes the starch fibers to be drawn or stretched before being deposited on the molding element 200. Figure 7A Shown is a die head provided with a ring-shaped spinneret 15 (which includes a spray nozzle 14) and three other spinnerets 16 (which surround the spray nozzle 14 at an equal interval of 12 °) as air for drawing. Illustrate specific examples. Of course, other configurations of air for drawing (as known in the industry), ^ --- ^ # _------- Order ---- (Please read the precautions on the back first (Fill in this page again) 0 This paper size applies to China National Standard (CNS) A4 Grid (210 297 mm) 40 499516 A7 B7 V. Description of the invention (38) Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs for causing the starch fibers to be thinned or stretched before being deposited on the molding element 200 Fig. 7A is a drawing showing a ring-shaped spinneret hole 15 (which includes a spray nozzle 14) and two other spinneret holes 6 (which are at a regular interval around the spray nozzle 14) as a pull The specific example of the die head of the fine acting air. Of course, other configurations of the fine acting air (as known in the industry) can be considered in the present invention. According to the present invention, the starch fiber may have about 0.00ldtex Sizes ranging from about 135 dtex (more specifically about 0.02 dtex to about 30 dtex, and more specifically about 0.02 dtex to about 5 dtex). These fibers may have various cross-sectional shapes, including, but not limited to, any combination of circular, oval, rectangular, triangular, hexagonal, zigzag, star, irregular, and the like. Those skilled in the art will understand that these various shapes can be formed by the different shape of the mold nozzles used to produce the fiber. Figure 10A illustrates (without limitation) some possible cross-sectional areas of starch fibers. The cross-sectional area of the starch fiber is the area that is perpendicular to the main axis of the starch fiber and surrounded by the outer surface of the starch fiber in the cross section. It is believed that the greater the surface area (per unit length or weight) of starch fibers, the greater the opacity of the elastic structure 10 containing starch fibers. Therefore, it is believed that by increasing the equalized diameter of the starch fibers, maximizing the surface area of the starch fibers is advantageous for increasing the opacity of the elastic structure 100 of the present invention. One way to increase the equalized diameter of starch fibers involves forming starch fibers with a non-circular, multi-surface cross-sectional shape. Furthermore, starch fibers need not have a uniform thickness and / or cross-sectional area over the entire fiber length or a portion thereof. For example, Figure 10 is a diagram showing the extension of its length. (The paper size applies the Chinese National Standard (CNS) A4 specification (210 ^^ J7 41. (Please read the precautions on the back before filling out this page))

499516

Separation of the "incision". 分布 盛 + change is-in the cross-sectional area of the starch fiber which is the length of the fiber: = Γ peach-dimensional elasticity 'promotes the elastic structure made _ 迕 体 100 之 枪 广 b "Effectiveness" and the positive influence of the resulting elastic structure "wood softness and elasticity." The incisions and other favorable irregularities in the fiber can be formed as described below by contacting the starch fiber with a pointed or protruding surface. Below τΤΓ-Steps include providing thin molding elements. The molding element a (not shown) or other patterned member 'such as a' belt or tape '. The molding element includes a fiber contact side 201 2 with respect to the fiber contact side 1 rear side 2G2. Fluid pressure difference (for example, vacuum pressure 'which may exist on the belt τ or swollen cymbals may tend to cause the mysterious fibers to enter the pattern of the M' pieces') to form a distinguishable area within the produced elastic structure. Printed by the Property Agency Staff Consumer Cooperative

During the method of preparing the structure 100 of the present invention, the fiber powder is deposited on the fiber contact ㈣G. $ 二 卿 2 The classic rainbow system requires special contact equipment (such as support rolling, guide dry, vacuum equipment, etc.). The fiber contact side 2 (H includes a three-dimensional pattern of protrusions and / or depressions. Typically (though not required), the pattern is non-random and repetitive. The three-dimensional pattern of the fiber contact side 20 may include a substantially continuous pattern ( (Figure 4), a substantially semi-continuous pattern (Figure 5), a pattern including several individual protrusions (Figure 5), or any combination thereof. When the starch fiber is deposited on the fiber of the molding element 200 On the contact side 201, the number of elastic starch fibers at least partially conforms to the molding pattern of the molding element 2000. The molding element 200 may include a belt or a strip, and when it is placed on the χ_γ reference plane (where χ_ plane Is perpendicular to the χ_γ plane) when it is a giant monoplane.

This paper size applies to China National Standard (CNS) A4 (210 X 297 mm)

4., 丨 丨 · -------- Order --------- # · (Please read the notes on the back before filling out this page) 499516 A7 B7 Employees ’Intellectual Property Bureau of the Ministry of Economic Affairs Printed by the cooperative V. Description of the invention (40) The elastic structure 100 can be regarded as a single plane of the giant view and located on a plane parallel to the XY plane. The direction perpendicular to the X_Y plane is the 1 direction, and along this direction, the diameter or length of the elastic structure i00, or the height of different regions of the molding element 200 or the elastic structure 100. If desired, the molding element 200 including a belt can be pressurized for a hairy charm implementation. Appropriate press felts used in accordance with the present invention can be used in accordance with US Patent No. 5,549,790 (issued to Phan on August 27, 1996); No. 5,556,509 (issued to Trokhan et al. On September 17, 1996); No. 5,580,423 Case (issued to Ampulski et al. On December 3, 1996); case 5,609,725 (issued to Phan on March 11, 1997); case 5,629,052 (issued to Trokhan and others on March 13, 1997); Case No. 5,637,194 (issued to Ampulski on June 10, 1997); Case No. 5,674,663 (issued to McFarland et al. On October 7, 1997); Case No. 5,693,187 (issued to Ampulski on December 2, 1997) Et al.); Case No. 5J09J75 (Entitled Trokhan et al., January 20, 1998); Case No. 5,776,307 (issued to Ampulski et al., July 7, 1998); Case No. 5,795,440 (August 18, 1998 Issued to Ampulski et al .; No. 5,814,190 (to Phan on September 29, 1998); No. 5,817,377 (to Trokhan et al., October 6, 1998); No. 5,846,379 (1998 Awarded to Ampulski et al. On December 8); Case No. 5,855,739 (granted to Ampulski et al. On January 5, 1999) and No. 5 Case No. 861,082 teaches preparation (January 19, 1999 awarded Ampulski et al.), The disclosure of its case, etc. are incorporated herein by reference. In another specific example, the molding element 200 may be implemented in accordance with the teachings of a pressurized hair drum according to U.S. Patent No. 5,569,358 (issued to Cameron on October 29, 1996). This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) 43 --------- ^-Aw ------- Order --------- --- ^ (Please read the notes on the back before filling this page) 499516

One of the main specific examples of the molding element 200 includes a resin frame 210 bonded to a reinforcing element. The resin frame 210 may have a specific pre-selected pattern. For example, Fig. 4 shows a substantially continuous frame 21 with a plurality of openings 220. In some embodiments, the reinforcing element 250 may be substantially fluid permeable. The fluid-permeable reinforcing element 250 may include a woven screen, or an element with openings, felt, or any combination thereof. The reinforcing element 250 positioned with the opening 22 in the molded element 200 prevents the pink powder fibers from passing through the molded element 200, thereby reducing the formation of small holes in the formed elastic structure 100. If a woven fabric is not intended to be used as the reinforcing element 250, non-woven elements, screens, nets, pressurized wool, or perforated sheets or films can provide appropriate support and strength to the frame 21o. Appropriate strengthening elements 250 may be based on US Patent No. 5,496,624 (issued to Stelljes et al. On March 5, 1996); No. 5,500,277 (issued to Trokhan et al. On March 19, 1996) and No. 5,566,724 ( Prepared on October 22, 1996 to Trkkhan et al.), The disclosures of these patents are incorporated herein by reference. Various types of fluid-permeable reinforcement elements 250 are described in several U.S. patents, for example, Nos. 5,275,700 and 5,954,097, the disclosures of which are incorporated herein by reference. Reinforcement element 250 may include felt (also known as ' pressurized felt, as used in conventional paper making). Frame 21 can be applied to the reinforcing element 250, such as US Patent No. 5,549,790 (issued to Phan on August 27, 1996); No. 5,556,509 (issued to Trokhan et al. On September 17, 1996); No. 5,580,423 Case No. (issued to Ampulski et al. On December 3, 1996); Case No. 5,609,725 (to Phan on March 11, 1997); Case No. 5,629,052 (to Trokhan and others on May 13, 1997); This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) _ 44 (Please read the precautions on the back before filling this page) Order --------- Lu · Ministry of Economics Wisdom Printed by employee property cooperative of property bureau 499516 A7 B7 V. Invention description (42 Case No. 5,637,194 printed by employee property cooperative of intellectual property bureau of the Ministry of Economic Affairs (issued on June 10, 1997 to 8111 卩 11181 <: 丨 et al.) ; Case No. 5,674,663 (issued to McFarland et al. On October 7, 1997); Case No. 5,693,187 (issued to Ba 111 卩 11131 < ^ et al. On December 2, 1997); Case No. 5,709,775 (1998 No. 5,795,440 (given to Ampulski et al. On August 18, 1998); No. 5,795,440; Case No. 5,814,190 (issued to Phan on September 29, 1998); Case No. 5,817,377 (issued to Trokhan and others on October 6, 1998); and Case No. 5,846,379 (issued to Ampulski and others on December 8, 1998) ), Whose teaching content is incorporated herein for reference. In addition, the reinforcing element 250 may be fluid-impermeable. The fluid-impermeable reinforcing element 250 may include, for example, a polymer resin material (which is used in conjunction with The material of the frame 21 of the molding element 200 of the present invention is the same or different); plastic material; metal ·, any other suitable natural or synthetic material; or any combination thereof. Those skilled in the art The fluid-impermeable reinforcing element 250 can make the molding element 10 also fluid-impermeable as a whole. It can be understood that the reinforcing element 250 can be partially fluid-permeable and partially fluid-impermeable. Some parts are fluid-permeable; while other parts of the reinforcing element 250 are fluid-impermeable. The molding element 2000 may be fluid-permeable, fluid-impermeable, or partially fluid-permeable as a whole. Of the fluid-permeable molding element 2000, only a part of the macroscopic area of the molding element 200 is fluid-permeable. For life, the reinforced element including Jacquid woven 25 can be used. For use, an example tape with Jacquid weaving can be used in U.S. Patent No. 5,429,686 (issued to Chiu et al., 95/7/4 /); No. 5,672,248 (issued to Paper Size, 97/9 / 3〇 Chinese_Home Standard (CNS) A4 Specification (2-(Please read the precautions on the back before filling this page)

45 499516 A7 B7 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economy V. Invention Description (43)

Wendt et al.); Case No. 5,746,887 (issued to Wendt et al. On 5/5/98); and Case No. 6,017,417 (issued to Wendt et. It is considered as a restrictive purpose for showing the main structure of Jacquid weaving. The present invention considers a molding element 200 including a fiber contact side 201 having a Jacquard woven pattern. This Jacquard woven pattern can be used as the forming element 500, the molding element 200, the pressing surface, and the like. The Jacquid woven system is mainly reported in the literature during which the structure is not intended to be used in embossing or imprinting (such as' produced typically when transferring to a Yankee drying drum). According to the present invention, one, several, or all of the openings 220 of the molding element 200 may be "hidden" or "closed", such as in US Patent No. 5,972,813 (issued to poiat on October 26, 1999) The disclosure thereof is incorporated herein by reference. As described in the aforementioned patent, polyurethane foam, rubber, and silicone can be used to make the openings 220 fluid-impermeable. A specific example of the molding element 200 shown in FIG. 6 includes a plurality of suspended portions 219, which extend from the basic portion 211 (typically, laterally). The suspended portion 219 is raised from the reinforcing element 250 to form Interstitial space 215, in which the powdered powder of the present invention can be flexed to form a cantilever portion 129, as described with reference to FIG. 3. The molding element 200 including the suspension portion 219 may include a face-to-face A multi-layer structure (Figure 6) formed by at least two layers (211, 212) that are linked together. Each layer may contain a structure similar to one of the patent cases described above and incorporated herein by reference Each of the layers (211, 212) may have at least one opening (220, Fig. 4, 4A) It extends between the upper surface and the lower surface. The layer is combined so that at least one opening of a layer and the other are straight. The paper size applies the Chinese National Standard (CNS) A4 specification (21 × 297 mm). 11 1 «11 I Ί I 1 ---- I order ----- 1111 i ^ v --- (Please read the notes on the back before filling out this page) 499516 A7 B7 V. Description of the invention (44th floor) A part of the frame is overlapped (in a direction perpendicular to the general plane of the molding element 2000), and the part is formed to form the suspension part 2 丨 9 described here. Another specific example of the device can be produced by differently curing the photosensitive resin or the curable material layer through a shield that includes transparent and opaque areas. The opaque areas include areas with different opacity. Areas with relatively high opacity (non-transparency, such as black) and areas with relatively low (partial) opacity (ie, with some transparency). When having the fiber receiving side and the opposite second side The curable layer is exposed to fibers received adjacent to the coating When curing radiation from the shielding on the side, the opaque area of the screen is to shield the first area of the coating from curing radiation to exclude the curing of the first area of the coating from the entire thickness of the coating. Part of the shielding The opaque area only partially shields the second area of the coating, so that curing radiation causes the second area to cure at least a predetermined thickness of the coating thickness (from the fiber-receiving side of the coating to its second side). ). The transparent area of the shield makes the third area of the coating unshielded, so that the cured radiation solidifies the third area through the entire thickness of the coating. The result of printing by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, uncured material Removed from partially formed molding elements. The formed hardened frame adopts a fiber receiving side 201 formed from the fiber receiving side of the coating and a side 202 after forming the second receiving side from the coating. The formed frame has a plurality of base portions 211 (which include the rear side 202 and formed from the third region of the coating) and a plurality of suspension portions 219 (which include the network contact side 201 and are self-coated). The second region of the object is formed). These bases may include the substantial succession pattern, the semi-continuous pattern, the discontinuous pattern, or any of the other paper sizes, as described above, using the national fi standard, “4 specifications, 297, public love, 499516, and economy. A7 B7 printed by the Ministry of Intellectual Property Bureau's Consumer Cooperatives V. Invention Description (45) The intentional combination. The suspended portion 219 extends from several bases at an angle (typically about 90, but not required), and is related to the formation The rear side 202 of the frame is separated to form a gap space between the suspension portion and the rear side 201. Typically, when the molding element 200 including the reinforcing element 250 is used, the gap space 215 is connected between the suspension portion 219 and the reinforcing element 250. Formed as shown in Figure 6. The next step includes depositing a number of pseudo thermoplastic starch fibers on the fiber contacting side 201 of the molding element 200, as illustrated in Figures 7-9, and making several starches The fibers at least partially conform to the three-dimensional pattern of the molding element 2000. Referring to the specific example illustrated in FIG. 7, when leaving the stretching element, the starch fibers 17b are deposited on the three-dimensional fiber-contacting side 200 of the molding element 200. 1 on. Continuous in the industry In the method, the molding element 200 includes an endless belt running continuously in the mechanical direction md, as illustrated in Figs. 7-9. Starch fibers can be bonded and entangled with each other by conventional techniques. US Patent No. 5,688,468 (1997 Awarded to Lu on November 18th, which teaches the method and device for producing spunbond non-woven webs composed of reduced-diameter fibers) The disclosure of which is incorporated herein for reference. In some specific examples, counting starch The fibers may be deposited on the forming element 500 first, instead of the molding element 10 (as shown in Figure 9). This step is optional and can promote the number of starch fibers across the entire width of the structure 10 being prepared. The uniformity of the basic weight. The forming element 500 including the wire is considered by the present invention. In the illustrated specific example of FIG. 9, the forming element 500 travels around the rollers 500a and 500b in the mechanical direction. The forming element system The fluid is permeable, and the vacuum device 550, which is located under the forming element 500 and supplies a fluid pressure difference to the number of starch fibers placed thereon, promotes the nearly uniform distribution of starch fibers across the entire receiving surface of the forming element 500. ---- - J— 一 —----- Order --------- (Please read the note on the back? Matters before filling out this page)

A7

Ordering Notes for Reading Back Φ

Write this page # I

I

Figure 9A printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs shows a specific example of the method according to the present invention, in which the starch fiber can be at an angle A (which can be from 丨 to 89., and more specifically about 5. to about 85. ) Depositioned to the molding element 200. This specific example is considered to be particularly advantageous when the plate member 200 having the floating portion 219 is used. The starch fibers 17a are "angled" and deposited on the molding element 200 to make the gap 215 formed between the suspended portion 219 and the reinforcing element 250 closer to the long and elastic starch fibers 17a, and promote the starch fibers to more easily fill the gap 215. In Figure 9A, starch fiber 17 & It is profitable to deposit on the molding element 200. Depending on the specific geometry of the molding element 200 (especially the geometry and / or orientation of its suspended portion 219), the downstream angle a may be equal to or different from the upstream angle B. Once When the Shudian powder fiber is placed on the fiber contacting side 200 of the molding element 200, the counting fiber at least partially conforms to its three-dimensional pattern. In addition, various methods can be used to cause or promote the starch fiber to conform to the molding element 200. A three-dimensional pattern. One method involves applying a fluid pressure differential to several starch fibers. This method is particularly advantageous when the mold element 200 is fluid permeable. For example, it is placed behind the fluid permeable molding element 200 The vacuum device 550 of 202 can be configured to apply vacuum pressure to the molding element 2000, and thus to the starch fibers placed thereon, Fig. 8. Under the influence of vacuum pressure, some starch fibers can be flexed on The openings 220 and / or interstitial spaces 215 of the molding element 200, or conform to its three-dimensional pattern. It is believed that all three regions of the elastic structure 100 can generally have equal basic weight. By flexing a portion of the starch fibers In the opening 220, the size of the paper is applicable to the Chinese National Standard (CNS) A4 (210 X 297 male 1) 50 ^ -------- Order ------ (Please read the precautions on the back first (Fill in this page again) Refer to 499516 A7 V. Description of the invention (48) For the density of the first engraved area 110, the density of the formed pillow 120 can be reduced. The area that is not flexed in the opening 220 can be borrowed. It is engraved by the compression elastic structure in the compression rolling. If it is engraved, compared with the density of the pillow 120 and the density of the third region, the density of the engraved region 110 is increased. It is not bent in the opening 220 The density of the region 110 and the density of the third region 13 are higher than those of the pillow 12 The density of 0. The third region 130 may have a density between the engraved region 110 and the pillow 120. Referring to FIG. 1A, the elastic structure 100 according to the present invention may be considered to have three different densities. The highest density region is high The density engraved area 110. The engraved area 110 corresponds in position and geometry to the frame 210 of the molding element 2000. The lowest density area of the elastic structure 100 is the pillow 120, which is in position and Geometrically, it corresponds to the opening 22 of the molding element 200. The third region 130 (which corresponds to the inclined portion 230 of the molding element 200) has a density between the pillow 120 and the engraved region 11 . The "inclined portion" 23 is a surface of the frame 210 having a Z-direction vector component extending from the fiber receiving side 201 of the molding element 200 to the rear side 202 thereof. The inclined portion 23 does not extend completely through the frame 210 like the opening 22. Therefore, the difference between the inclined portion 230 and the opening 220 can be considered as the opening 220 showing a perforation in the frame 210, and the inclined portion 230 showing a hidden hole, crack, pit or cut in the frame 210. The three areas of the structure according to this description can be considered to be placed at three different heights. As used herein, the height of a region refers to its distance from a reference plane (ie, the χ-γ plane). For convenience, the reference surface can be viewed horizontally, where the height from the McCaw surface is vertical. The height of a specific area of the starch fiber structure 100 can be measured using any non-contact method known in the industry. The paper size is applicable to China National Standard (CNS) A4 (210x297). 499516 Employees of Intellectual Property Bureau, Ministry of Economic Affairs Printed by the Consumer Cooperative A7 V. Measurements in the description of the invention (49). A particularly suitable measuring device is a non-contact laser displacement sensor (which has a beam size of 0.3 x 1.2 mm in the range of 50 mm). Appropriate non-contact laser displacement sensors are sold by Idee as MX1A / B. In addition, contact gauges known in the industry can be used to measure different degrees. This type of gauge is described in U.S. Patent No. 4,300,981 (issued to Carstens), the disclosure of which is incorporated herein by reference. The structure 100 according to the present invention is placed on a reference surface, and the engraved area 11 is in contact with the reference surface. The pillow 120 and the third region 130 extend perpendicularly from the reference plane. The different heights of the regions 110, 120, and 130 can also be formed by using molding elements 200 having different depths or heights of their one-dimensional patterns, as shown in Fig. 5A. These three-dimensional patterns with different depths / heights can be made by frosting a preselected portion of the molding element 200 to reduce its height. Furthermore, a molding element 200 including a curable material can be produced by using a three-dimensional shield. By using three-dimensional shields containing depressions / protrusions of different depths / heights, corresponding frames 210 can also be formed that also have different heights. Other conventional techniques for forming surfaces with different heights can be used for the aforementioned purposes. To improve the possible negative effects of a sudden pressure difference in fluid applied by a vacuum device 550 (Figures 8 and 9) or a vacuum extraction box 600 (Figure 9) (which may force certain fibers or parts thereof) Passing through the molding element 200, and thus resulting in the formation of so-called pinholes in the elastic structure, the rear side of the molding element can be "textured to form microscopic surface irregularities. These surface irregularities It is advantageous in some specific examples of the molding element 200 because it avoids forming a vacuum seal between the rear side 202 of the molding element 200 and the surface of the paper-making equipment (such as the surface of a vacuum device), thereby creating a "fat" Omitting, and, therefore, reducing the size of this paper applies Chinese National Standard (CNS) A4 Regulations (21G X 297 issued) ---------- ^-· ------- Order ------------ ^ (Please read the precautions on the back before filling out this page) 499516 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 --------- E______ V. DESCRIPTION OF THE INVENTION (50) The undesired result of applying vacuum pressure in the ventilation drying method for preparing the elastic structure 100 of the present invention. Other methods of producing this leak are disclosed in U.S. Patent Nos. 5,718,806; 5,741,402; 5,744,007; 5,776,311 and 5,885,421, the disclosures of which are incorporated herein by reference. This leak can also be generated using so-called "differential light transmission technology," as described in US Patent Nos. 5,624,790; 5,554,467; 5,529,664; 5,514,523 and 5,334,289, the disclosures of which are incorporated herein by reference. Molding The element can also be applied by applying a photosensitive resin coating to a reinforcing element having an opaque portion, and then exposing this coating to light passing through a shield with a transparent and opaque portion and light having an activation wavelength of the reinforcing element. Manufactured. Another way to create backside surface irregularities involves using a textured surface or textured barrier film, as described in U.S. Patent Nos. 5,364,507, 5,260,171, and 5,098,522, the disclosures of which are here Incorporated for reference. The molded element can be made by casting a photosensitive resin on and through the reinforcing element, while at the same time subjecting the reinforcing element to a textured surface, and exposing the coating to transparent and opaque parts It is made of light of an activating wavelength of a shield. Such as a vacuum device 550 (which applies a vacuum pressure (ie, negative, less than a large milk pressure) to a number of 200 through a fluid permeable molding element (Dimensional) or fan (not shown, which applies positive pressure to several fibers) can be used to promote the flexion of the several fibers in the three-dimensional pattern of the molding element. Furthermore, FIG. 9 illustrates the invention An optional step of the method, in which the starch fiber is covered with an elastic material sheet 800 (which includes an endless belt passing through rollers and 8_ and contacting the number of fibers). That is, the starch fiber is sandwiched between the mold paper and the paper. Towel_CNS A4 size (210 X 297 mm 53

^ Xin -------- Order ---- (Please read the notes on the back before filling in this page) ϋ n 1 I -h. PF 499516 A7 B7 V. Description of the invention (51) Jihui employee consumption There is a period of time between the manufacturing element 200 and the elastic material sheet 8⑽. The elastic material sheet 8GG may have an air permeability less than that of a molding element, and may be air-impermeable in some embodiments. Applying a fluid pressure difference p to the elastic sheet _ causes at least a portion of the elastic sheet to flex to a three-dimensional pattern of the molding element 200 (in some cases it is flexed therein), thereby tending to make the number of powders The three-dimensional pattern of the molding element 200 is tightly and compliantly conformed. U.S. Patent No. 5,893,965, the disclosure of which is incorporated herein by reference, describes the main configuration of an apparatus and method using an elastic material sheet. In addition to the fluid pressure difference, mechanical pressure can also be used to promote the formation of the three-dimensional micro-pattern of the elastic structure 100 of the present invention. This mechanical pressure can be generated by any suitable pressing surface, which includes, for example, the surface of a roller or the surface of a strip. Fig. 8 shows specific examples of two types of pressing surfaces. One or more pairs of pressure rollers 900a and 900b, and 900c and 900d may be used to make the starch fibers on the molding member 200 more completely conform to its three-dimensional pattern. The pressure generated by the pressurizing roller can also be arranged in advance (if required). For example, the pressure generated between the rollers 900c and 900d can be greater than the pressure between the rollers 900a & 900b. In addition, the ring-shaped pressurizing strips 950 of the detour rollers 950a and 950b can press a part of the fiber side 201 of the molding element 200 so that the elastic structure 100 therebetween is engraved. The pressing surface may be smooth or have its own three-dimensional pattern. In the following examples, the pressing surface can be used as an embossing device to form a clear micro-pattern of protrusions and / or depressions in the elastic structure i 00, which cooperates with the three-dimensional pattern of the molding element 200 or individually Of it. Furthermore, the pressurized surface can be used to deposit various additives (for example, softeners and inks) to the elastic structure being made .--- ^ — 0 0 -------- ^- (Please read the notes on the back before filling this page)

n n I

P This paper size applies to China National Standard (CNS) A4 (210 X 297 mm)

I 499516 V. Description of Invention (52) Construct 200. Conventional techniques such as ink rolling 910 or a spraying device (or sprayer) 920 can be used to directly or indirectly deposit various additives to the resulting elastic structure 1200. As known in the industry, the structure 100 can be selectively shortened. The shortening can be accomplished by wrinkling the structure 100 from a rigid surface (more particularly from a cylinder, such as the cylinder 290 shown in Figure 9). As known in the industry, the wrinkling effect is performed by a scalpel 292. Wrinkling can be accomplished in accordance with U.S. Patent No. 4,919,756 (issued on April 24, 1992 to Yiru, whose disclosure is incorporated herein by reference). In addition, the shortening effect can be achieved through the slight contraction as described above. The shortened elastic structure 100 is typically more stretchable in the mechanical direction than in the crosswise and mechanical directions, and can be easily bent by the twisted wire formed in the shortening method, and the hinge wire is generally crossed in the mechanical direction ( That is, it extends along the width of the elastic structure 100). A purely wrinkled and / or otherwise shortened elastic structure 100 is considered to be within the scope of the present invention. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs Various products can be made using the elastic structure 100 of the present invention. The formed mouth can be used for air, oil and water filters; vacuum cleaners; filters for stoves; masks; coffee filters, tea or coffee bags; thermal insulation and sound insulation materials; single-use sanitary products (such as , Diapers, sanitary pads and articles used by urinary incontinence) non-woven fabrics; improved biodegradable fabrics (such as microfibers or breathable fabrics) that improve moisture absorption and softness of the wearer; Static-charge construction nets for collecting and removing dust; reinforcements and nets of hard grade paper (such as wrapping paper, writing paper, white newspaper, corrugated cardboard), and sanitary paper grade nets (such as toilet paper, paper towels, Napkin and face paper sizes apply to Chinese National Standard (CNS) A4 (210 x 297 mm ^ 516

Five Λ Description of Invention (53) Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs for 4 academic uses (such as surgical gowns, injury clothing, end bands, skin patches and self-dissolving sutures; and dental uses (such as dental floss And toothbrush bristles elastic structures can also contain odor absorbents, white sacrificial repellents, insecticides, rodenticides, etc. for formation of products that absorb water and oil and can be found in oil or water spillage removal or agriculture Or horticultural applications for controlling water retention and release. The formed starch fibers or fiber webs can also be incorporated into other materials (such as sawdust, fiber, plastic, and concrete) to form composite materials, which can be used as building materials ( (E.g., walls, support beams, pressure plates, dry walls and pads and ceilings); and other medical uses (such as plaster, plywood and tongue depressors); and stove logs for decorative and / or burning purposes. Testing Method A. The shear viscosity of the shear viscosity composition is measured using a capillary rheometer (Rheograph 2003, manufactured by Goettfert). The measurement is performed with a diameter of 1 (mm) d and a length L of 30 mm (that is, L / D = 3〇) i capillary mold. The mold is attached to the sleeve (which is kept at a test temperature of 25t: to 90X: range) ^ sample composition preheated to measure the temperature of type 5 It is loaded into the sleeve section of the rheometer, and the sleeve section is substantially filled (about 60 grams of the sample is used). The sleeve is maintained at a specific test temperature⑴. If bubbles are generated on the surface after loading, operate the test before Densification is used to remove trapped air from the sample. The piston is arranged to advance the sample from the sleeve through the capillary mold at a selected rate. As the sample passes from the sleeve through the capillary mold, the sample experiences a pressure drop. Apparent shear The cut viscosity is calculated from the pressure drop and the flow rate of the sample through the capillary mold. Then 10 at the apparent shear rate) is plotted against 10g (shear velocity), and the graph is calculated using the power law equation π = k National Standard (CNS) A4 Regulations (210 X 297 mm)

499516 A7 B7 V. Description of the invention (54) r n 1 is matched, where k is the material constant and τ is the shear rate. The compositional rhyme viscosity reported here is extrapolated to% ⑼ ^ shear rate using a power-law relationship. B. Stretchy skin The stretchy viscosity was measured using a capillary rheometer (Rheograph 2003, manufactured by Goettfert). The measurement is performed using a semi-hyperbolic mold design (with a starting diameter (Dw) of 15mm, a final diameter of _75mm (a length of Dmax and 75mm (L)). The semi-hyperbolic shape of the mold is determined by Defined by two equations, the distance from the axis of the starting diameter, and D (z) is the mold diameter at the distance from DwZ:

Zn = (L + l) ntotal -1 ° (Z „)

I 1 +

D 2 Start Last j 1 1 1 Staff consumption The mold is attached to the lower end of the sleeve, which is kept at a fixed test temperature, which corresponds to the temperature at which the starch composition was processed. The test temperature (processing degree) is the temperature of the melting point of the sample powder composition. The sample starch composition is preheated to the mold temperature, and is loaded into the sleeve section of the rheometer and the sleeve section is substantially filled. If bubbles are generated on the surface after loading, the densification before the operation test is used to remove trapped air from the sample. The piston is arranged to advance the sample from the sleeve through the hyperbolic mold at a selected rate. As the sample passed from the sleeve through the spinneret die, the sample experienced a pressure drop. Apparent viscosity is calculated from the pressure drop and the flow rate of the sample through the mold. The following equations are used to calculate the paper size: "Tukamori (CNS) A4 specification χ〇χ 挪 公 爱) 499516 5. Description of the invention ·· Tensile viscosity = (ΔP / elongation / Eh) · 10 + 5), where the tensile viscosity is in Baska-seconds, and Λρ is the pressure hum (bar). The flow velocity of the mold (sec.,), And the dagger is a dimensionless Hencky strain. The Hencky strain is a strain determined by time or history. The strain expressed by the fluid element of non-Newtonian fluid is determined by its motion history : The Hencky strain system of this design is 5.99, which is printed by the following consumer consumption cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs

Eh = ln [(Dstart / Dlast) 2] The apparent tensile viscosity is reported using the power-law relationship with the elongation of ... A detailed disclosure of the tensile viscosity measurement using a semi-hyperbolic mold is found in U.S. Patent No. 5,357,784 (issued to Collier on October 25, 1994), the disclosure of which is incorporated herein by reference. C. Total Soil Amount and Molecular Weight Distribution The weight average molecular weight (Mw) and molecular weight distribution (MWD) of starch are determined by gel permeation chromatography (GPC) using a mixed bed column. The instrument parts are as follows: I · Waters model 600E System controller: Waters model 600E Automatic sample: Waters model 717 Plus column · PL gel 20 // m mixed A tube; j: main (gel molecular test ^ # ------- tl --------- · (Please read the note on the back? Matters before filling out this page), h. 58 499516 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs System A7 B7 V. Description of the invention (56) (range: 1,000 to 40,000,000), with a length of 600mm and an initial diameter of 7.5mm. Detector: Waters Model 410 Differential Refractometer PGC Software

Waters Millennium® software columns are calibrated with Dextran standards with molecular weights of 245,000; 350,000; 480,000; 805,000 and 2,285,000. These Dextran calibration standards are available from American Polymer Standards, Mentor, OH. The calibration standard was prepared by dissolving the standard in a mobile phase to make a solution of about 2 mg / ml. This solution was left undisturbed overnight. It was then gently vortexed and filtered through a syringe filter (5 #m Nylon membrane, Spartan-25, available from VWR) using an injection (5 ml, Norm-Ject, available from VWR). A starch sample was prepared by preparing a 40% by weight starch mixture prior to tap water and heating it to gel the mixture. Then, 1.55 g of the gelled mixture was added to 22 g of the mobile phase to prepare a 3 mg / ml solution, and the mixture was kept at 105 by stirring for 5 minutes. It was prepared by removing the mixture from the furnace for 1 hour in the furnace and cooling to a temperature. The solution was filtered using an injection and injection filter as described above. The filtered standard or sample solution is obtained by flushing the previous test material into the 100 // 1 injection circuit and injecting the current test material into the column by the automatic sampler. The column was held at 70aC. The sample decanted from the column was measured against a mobile phase background by a differential refractive index detector maintained at 50 ° C and with a sensitivity range set at 64 ° C. The mobile phase was DMS with 0.1% w / v of LiBr dissolved in it. The flow rate is set to 〇mL / min ------ ^^ ------- Order ---------. (Please read the precautions on the back before filling this page) This paper Standards are applicable to China National Standard (CNS) A4 (210 297 mm) 59 499516

Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs

This paper rule t (CNluTii721Q x 297) The thermal properties of the starch fiber of the present invention are using TA Instruments DSC-291 () (which is a metal standard correction, as reported in the chemical literature, which has 156.6.): The melting temperature and the heat of fusion of 6.80 calories / g) are determined. The standard DSC operating procedures of the manufacturer's operating manual are used. Due to the volatile emissions from the standard composition (for example, water vapor) during the measurement, the 0-type is assembled The high-volume pot with a bad seal is used to avoid volatile substances from escaping from the sample pot. The sample and inert reference (typically an empty pot) are heated in the controlled environment at the same rate. When the true or false phase changes in the sample The DSC instrument measures the heat flowing from or to the sample compared to an inert reference. This instrument is computerized to control test parameters (eg, heating / cooling rate), and collect, calculate and Report these data. Mouth samples are weighed in the pot and sealed with O-rings and caps. Typical sample size is 25 65 g. The sealed steel is placed in the instrument and the computer is heat tested as follows Stylized: 1. Equilibrate at 0 ° C; 2. Hold at 0 ° C for 2 minutes; 3. Heat to 120 ° C at 10 ° c / minute; 4. Keep at 120 ° C for 2 minutes; 5. At 10 ° C / min cooling to 30. 60; 60

^ 9 # -------- tr --------- (Please read the precautions on the back before filling this page) Product 499516 A7 V. Description of the invention (58 6 · Equilibrium at ambient temperature 24 hours, the sample handle 7 > The Ding Bao mouth pot can be removed from the DSC instrument and placed in a controlled environment of 30 ° C during this period; 7. Return the sample pan to the DSC instrument and balance; 8. Keep 2 Minutes, 9. Heated to 10 ° C at 10 C / minutes; 10. Maintained at 120 ° C for 2 minutes; 11. Cooled to 30 ° C at 10 C / minutes and allowed to equilibrate; and 12. Remove used The computer calculates and reports the results of thermal analysis on temperature or time using differential heat flow (ΔΗ). Typically, the differential heat flow is normalized and reported on a weight basis: (ie, cal / mg). If the sample shows false Phase transitions, such as the glass transition △ 对 difference versus time / temperature can be used to more easily determine the glass transition temperature. E · Water-soluble uniform and thin, dry% Sample composition by mixing the components It is prepared by heating and stirring until a substantially homogeneous mixture is formed. The molten composition is dispersed on a Tefkm® sheet and at ambient temperature. However, the film was cast. The film was completely dried in an oven at 100 ° C (ie, the dry film in the film / composition was equilibrated to room temperature. The equilibrated film was ground into small pellets. The weight is to determine the solids% in the sample. 2 to 4 grams of the ground sample is placed in a metal pan that was weighed first, and the total weight of the pan and the sample is recorded. The weighed pan and sample are placed in a loot oven 2 Hours, then take out and stand = weigh. The% solids is calculated as follows: This paper size applies to the Chinese National Standard (CNS) A4 specification (21〇X 297 public love 499516 A7 B7 printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economy V. Description of the invention (59) Solid (milled sample & pot dry weight-pot weight) q _ (milled sample & steel first weight-pot weight) To determine the solubility of the sample composition, 250 liters The beaker weighs 10 grams of the ground sample. Deionized water is added to make a total weight of 100 grams. The sample and water are mixed on a stirring plate for 5 minutes. After stirring, at least 2 ml of the stirred sample is poured into a centrifuge tube. 0 ° C centrifugation at 20,000 g 1 Time. Take the supernatant of the centrifuged sample and read the refractive index. The% solubility of the sample is calculated as follows:% soluble solids: (refractive index # > 1000 solids 0 / 〇F. Before the diameter test, the membrane The samples were adjusted at a relative humidity of 48% -50% and a temperature of 22 ° C to 24 ° C to achieve a moisture content of about 5% to about 16%. The moisture content was determined by TGA (Thermogravimetric Analysis). For thermogravimetric analysis, TA Instruments' high-resolution TGA2950 thermogravimetric analyzer was used. Approximately 20 mg of the sample was weighed in a TGA pan. Following the manufacturer's instructions, the sample and pan were inserted into the unit, and the temperature was increased to 250 ° C at a rate of 10 ° C / minute. The humidity% in the sample is determined by using the weight loss and the initial weight as follows.% Humidity = some weight [Zhu 0. ㉟M * 100% starting weight The pre-adjusted sample is cut larger than the size of the base used to measure the diameter. The base used was a circle with an area of 3.14 square inches. The sample is placed on a horizontal plane and is limited to that plane and has a horizontal load-bearing surface. Paper size applies to China National Standard (CNS) A4 (210 X 297 mm) 62 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs Φ 499516 V. Description of invention (60) Between the supporting bases and the supporting bases The Chengxian surface of the seat has a circular surface area of about 3 square inches of leaves, and a limit force of about 15 g / cm2 (Q2i 限制) is applied to the sample. The diameter is the gap formed between the plane and the bearing surface of the bearing base. These measurements are available on the VIR Electronic Thickness Tester (available from Thwing-Albert, Philadelphia, PA). Diameter measurements are repeated at least five times and recorded. Results are reported in mils. Sum of readings recorded from the diameter test Divide by the number of readings recorded. Results are reported in mils. This paper size applies to China National Standard (CNS) A4 (210 X 297 mm)

n I nn Je-H ϋ n ^ .— n ϋ ϋ ϋ ϋ ϋ ϋ ϋ 1-mouth, ϋ ϋ I ϋ I (Please read the notes on the back before filling this page) 63 ^ 516 A7 B7 V. Description of the invention (61) Component symbol comparison table Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 10 ... the device for producing starch fiber 11 ... 10 casing 12 ... chamber for heating fluid 13 ... mold head 14 ... spray nozzle 15 ... air ( Loop) Spinneret 16 ... Air (individual) Spinneret 17 ... Starch composition 17a ... Starch fiber 100 ... Elastic structure 110 ... First area 120 100 Second area 100 (Pillow in some specific examples) 130 ... The substantial clearance space (bag) in the third region 115 ... 100 of the 300 (cantilever part and under the first area) 128 ... the dome part 129 ... · Cantilever part 200 of 100 ... Moulding element 201 ... Fiber receiving side of 200 202 ... 200 rear side 210 ... Frame 211 ... First layer (multilayer structure) 212 ... Second layer (multilayer structure) 215 ... Gap space between 219 and 250 219 ... Suspended part 220 ... Opening 2 3 0 ... Inclined part 250 ... Strengthen Pieces 290 ... (Crinkling) Cylinder 292 ... Crinkling knife 500 ... Forming element 550 ... Vacuum device 600 ... Vacuum extraction box 800 ... Sheet of elastic material (hyperbolic deflection) 900a-900c ... Pressure rolling 910 … Ink roll 920… spraying device (sprayer) 950… pressurized belt C, please read the note on the back? Please fill in this page for matters: > f --------- 64 This paper size applies to Chinese national standards (cn ^ TS_ (21〇 χ 297)

Claims (1)

499516 Bulletin Application for Patent Range No. 90101562 Invention Patent Application for Patent Range Amendment Date of this revision: March 91 1. A method for preparing continuous starch fiber, the method includes the steps: (a) providing 50 bar A starch composition with a stretch viscosity of ska · s to 20,000 basca · s, wherein the starch has a weight average molecular weight of 1,000 to 2,000,000; and (b) the starch composition is electrospun Silk to produce the starch fiber with a size of 001 from lamp to 135 dtex. The method of claim 1 of the patent claims, wherein in the electrospinning step, the starch composition has an intrinsic capillary number of at least 0.05. 3. The method according to claim 2 of the patent scope, wherein the starch composition has an intrinsic capillary number of at least 1. 4. The method according to item 2 of the patent application scope, wherein the step of providing the powder composition comprises providing a starch composition containing a high polymer. 5. The method as claimed in claim 1, wherein the step of providing a starch composition includes providing a powder composition of 20% to 99% by weight of a branched starch. 6. The method according to item 5 of the patent application, wherein the starch composition comprises 10% to 80% by weight of starch and 20% to 90% by weight of an additive, and wherein the starch composition has 10%. 〇Basca · sec tensile viscosity of 15,000 Basca · sec. Package 7. The method according to item 5 of the scope of patent application, wherein the starch composition contains 20% to 70% by weight of starch and 30% by weight to 65% of rib weight (please read the precautions on the back before filling in this Page) Dimensions: This paper size applies Chinese National Standard (CNS) A4 specification (21〇 < 297 male sauce) 499516 A8 B8 C8 ______D8 K, patent application additives, and the starch composition has 2000 bar Tensile viscosity from Ska · s to 10,000 Baska · s. 8. The method according to item 5 of the patent application range, wherein the starch composition has a stretch viscosity of 200 Baska · sec to 10,000 Baska · sec, and an intrinsic capillary number of 3 to 50. . 9. The method according to claim 8 of the patent scope, wherein the starch composition has a stretch viscosity of 300 basca · sec to 5,000 basca · sec, and an intrinsic capillary number of 5 to 30. 10. The method according to item 1 of the Shenyan patent scope, wherein the step of providing a starch composition comprises providing a high polymer having an average molecular weight of from 0.0005% to 5% by weight and having an average molecular weight of ν 50,000,000. A starch composition, the high polymer system is substantially compatible with the starch. 11 · If the towel please patent the scope! The method of claim 1, wherein the step of providing a starch composition comprises providing a starch composition comprising an additive selected from a plasticizer and a diluent. 12 · Rushen Patent | & Method of item 1 i ', wherein the powder composition further comprises 5% to 95% by weight of a protein, the protein comprising a protein derived from maize and a protein derived from soybean Protein, protein derived from wheat ', or any combination thereof. 13. The method according to item 1 of the patent application scope, further comprising the step of thinning the starch fibers with an air flow. 14. · A method of preparing an elastic structure containing pulverized fiber, the steps include: / (a) providing a pull-out paper with 100 basca · sec to 10,000 basca · sec The scale is applicable to Chinese national standard ^ TcNS) A4 specification ------ (Please read the precautions on the back before filling this page) Order 499516 A8 B8 ______ § _____ VI. Patented starch composition with extended viscosity ) Provide a three-dimensional fiber receiving side and a molding element opposite to the rear side, the fiber receiving side includes a substantially continuous pattern, a substantially semi-continuous pattern, an individual pattern, or any combination thereof; (C) the edge The starch composition is electrospun to produce starch fibers; and (d) depositing the starch fibers on the fiber receiving side of the molding element, wherein the starch fibers conform to the three-dimensional pattern on the fiber receiving side. 15. The method of claim 14, wherein the step of providing a starch composition comprises providing a high molecular weight having an average molecular weight of at least 50,000 to 5,000 to 5% by weight. A polymer starch composition, the high polymer, is substantially compatible with the starch. 16. The method as claimed in claim 14 wherein the step of electrospinning the mash composition comprises electrospinning the starch composition through a mold. 17. The method according to item 16 of the patent application, further comprising the step of thinning the powder of the temple with air. 18. The method according to item 14 of the scope of patent application, wherein the step of providing a molding element includes providing a molding element continuously constructed in a mechanical direction. '19. The method of claim 14 in the scope of patent application, wherein the step of providing a molding element includes providing a reinforcing element placed due to the first height, and bonding to the reinforcing element in a face-to-face relationship and outward from the reinforcing element A molded element formed by a resin frame extending to form a second height. This paper size applies to China National Standard (CNS) A4 specifications (21〇 > < 297 Gongchu) (Please read the precautions on the back before filling this page),? Τ— 67 A8 B8 C8 ------ --- Scope of patent application ^ " ------- 2〇 · The method of scope of patent application item 19, wherein the molding element is fluid permeable and contains several mixed yarns, wool numbers, or Any group & such as the method of claim 20, wherein the resin frame includes 2 bases extending outward from the reinforcing element, and several laterally extending from the base at the second consultation The cantilever portion forms a gap space between the cantilever portion and the reinforcing element, wherein the plurality of base portions and the plurality of cantilever portions combine to form a three-dimensional fiber receiving side of the molding element. The method of claim 14 is patented, in which the step of depositing several starch fibers on the fiber receiving side of the molding element includes applying a fluid pressure difference to the plurality of starch fibers. 68 (Please read the precautions on the back before filling out this page) This paper size applies to China National Standard (CNS) A4 (210 X 297 mm)