TW394673B - Microporous fabric containing a microbial adsorbent and its products - Google Patents

Abstract

Disclosed is a fabric which includes a microbial adsorbent and which is capable of providing a microbial barrier while still being able to allow passage of water vapor. The fabric is formed from a plurality of fibers which define at lease one microporous passageway which allows communication, through the fabric, between its respective first and second surfaces. In particular, a portion of the microporous passageway is defined by the microbial adsorbent so that microbes attempting to pass through the fabric via such a passageway must pass in close proximity to the microbial adsorbent. This arrangement allows the microbial adsorbent to interdict the microbe by adsorbing it. Passage of the microbe through the fabric is thereby prohibit. Laminates of the fabric with other materials are also disclosed.

Description

V. Description of the invention (A7 B7 II) The field of the present invention includes fabrics with sterilizing properties. &Amp; The background film is traditionally used to provide a list of barrier substances-in the user's eyes, including but not limited to General clothing items, protective clothing, health care related products include surgical tents, gowns, aseptic garments and personal care. Absorbent products such as diapers, training pants, adults, diapers, cranial cotton, bandages And similar items. Absorptive mouth towels for personal care, such as baby diapers and adult diapers, with films used as outer coverings, whose purpose is to prevent body waste from contaminating the clothing, bedding, and other surroundings Uses. Protective clothing includes hospital robes and other washroom clothing. Films are used to prevent the transfer of microorganisms between the wearer and the patient. These films are usually 彳 to 2 mils thick and have a basis weight. Close to 0-7 to 1.5 ounces per square yard. Polyolefin films are mostly used in this field. Use films as barrier materials here There is a significant disadvantage when it is a product of type, even if not all, some films do not perform well in their work. That is, they form a complete barrier. This type of complete barrier creates a brand new The problem is that they restrict the exit of water vapour from people or films to morning items. Therefore, clothing made of such substances tends to become extremely uncomfortable very quickly, because Caused by the formation of water vapor that is discarded by individual objects but cannot pass through the film. This water vapor remains between the individual and the item made of clothing or matter. If the relative humidity in a specific area is formed, and the water Vapor (Please read the notes on the back before filling this page) Order ^-Printed by the Central Consumers Bureau of the Ministry of Economic Affairs, Consumer Cooperatives This paper is sized for the Chinese National Standard (CNS) A4 (210 X 297 mm) ψ 5 2. Description of the invention (3 A7 B7 The printed material of the consumer cooperative of employees of the Central Standards Bureau of the Ministry of Economic Affairs is a fabric, such as a filament or meltblown nonwoven fabric, which can be used alone as Laminates are used in layers, so as to provide effective microbial barrier properties, breathability (that is, the amount of water vapor allowed to pass through), and a complete substance that is tactile. Purpose The object of the present invention is therefore to provide water vapor Pass, while still providing a fabric for microorganisms such as viruses, bacteria, cysts and nematodes. The present invention further provides a fabric, which can also allow the passage of water vapor, and for microorganisms such as viruses, Bacteria, cysts, and nematodes are effective screens that, when exposed to ordinary water-like liquids, form a physical barrier in the exposed area so that the liquid can pass therethrough. The present invention has another object, It is a laminate that provides this fabric with one or more other substances. These and other objects and a wide range of applicability of the present invention, as described in detail below, are provided to those skilled in the art. It is obvious. However, it can be understood that the detailed description of the specific performance immediately proposed by the present invention is merely illustrative, because for these exhaustive descriptions, for those who are familiar with this technical field, Various changes and adjustments within the spirit and scope are obvious. Summary of the Invention ^ Compared to the difficulties encountered by those who are familiar with this technology, we have discovered that it has a first and a second surface, and contains a microbial adsorbent. This paper is applicable to China National Standards (CNS) Standard 8 ( 210x297 public director) r (Please read the precautions on the back before filling this page) T u. '-6 Printed by the Consumers' Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs A7 _______ _ B7 _'__ V. Description of Invention (2) This 哝Shrinking, the individual will soon have a "sweat" or "wet sticky" feeling.. For this problem, those who are familiar with this technology have attempted to make scent-producing clothing, and other items The passage of microorganisms is caused by the part of the sentence that does not want to allow water vapor to pass. Such materials include, for example, 'non-woven fabrics and laminates produced therefrom, as discussed in detail'. Applied by Brock et al. U.S. Patent No. 4,041,203. This patent is hereby incorporated by reference in its entirety. The microporosity change of the film, either by itself or incorporated in the laminate_1_ 'is also used in this product' Its attempt to mention The article has more clothing-like properties, such as the ability to reduce the relative humidity underneath the clothes, thereby enabling the wearer to maintain a high level of comfort. However, 'using non-woven fabrics and / or microporous films in a particular protective garment, It cannot be without difficulties. For example, the use of such substances is produced due to their ability to prevent soil microorganisms from transferring, because the size of microorganisms such as viruses and bacteria is typically much smaller than the pore size of microporous membranes Nonwoven fabric materials, typically, are also characterized by their passage through them. 'Although they may hinder the progress of microorganisms, they do not guarantee their complete barrier properties. For these reasons, and for which For microorganisms to form a U-disk, a U-backup machine, and a protective barrier, these safety devices cannot be proven to be completely safe. Therefore, for allowing water and gas to pass through, it is also possible to prevent Small pathogens such as viruses, bacteria, cysts, and nematodes effectively form a barrier to prevent the passage of material. 'Significant needs remain' It has been improved. If this paper scale is applicable to Chinese National Standards (CNS) (Please read the notes on the back before filling in this education) ir transfer line A7 B7 Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs A fabric of 4 'can provide a microbial barrier that still allows Shui Qi Bei · s π t to pass through. The fabric can be a woven or non-woven fabric. For example,' if a woven fabric, it can be a spunbond Fabric bite-卩 口 卩 K Lohe fabric. This woven fabric is formed by most fibers. This fiber will be a fabric or, if this woven fabric is a non-woven fabric, inserted in the form in this way, it will be passed by the fiber bound. The path of this woven product will form micropores. Because of its broad aspect, this woven product of the present invention will have a majority of fibers, which is at least defined as a microporous path that allows cross-flow, Pass through the woven fabric between the first and second surfaces. In some specific expressions, ‘communicating with each other like this allows water vapor to pass through this woven fabric. In particular, a part of the microporous pathway is delimited by a microbial adsorbent, so that when a microorganism attempts to pass through the woven fabric through a pathway, it must pass relatively close to the microbial adsorbent. This arrangement allows the microorganism adsorbent to stop the microorganisms by absorbing and TK stopping the microorganisms from passing through the woven fabric '. In some embodiments, the woven fabric can be formed from a thermoplastic polymer. For example, 'this thermoplastic polymer may be selected from the group comprising polyolefins, polyamines' polyesters and copolymers, and any mixture of these and / or any other suitable materials. For example, this polyolefin can be selected from the group consisting of polypropylene, polyethylene, polybutene, and copolymers or the resulting mixture. This polyethylene may be a linear low density polyethylene. I are all prepared in the form of a microbial adsorbent specially formulated in a woven fabric '. This woven fabric may be suitable for absorbing viruses, bacteria, cysts, nematodes, etc., depending on what it is designated for use. In certain specific performances, this woven product can be designed not only for this paper size to apply the Chinese National Standard (CNS) A4 specification (210X297 public) (please read the precautions on the back before filling this page) Order --- --ί 卿 丝 ----- Printed by the Consumer Cooperatives of the Central Bureau of Standards of the Ministry of Economic Affairs A7 -------_____ B7 V. Description of the Invention (5) '-As microorganisms appeared as microbial adsorbents -A filter, which can also be designed as a physical (mechanical) barrier through which a liquid can pass. Finally, the use of this microbial sorbent can be-it is not greater than- Increase its volume at least ^ times in 120 seconds. For example, under-usually watery liquids appear, this microbial adsorbent can increase its volume by at least 15 times in no more than 60 seconds. Especially in Under the presence of water 'liquid, this microbial adsorbent can be-increase its volume at least by a factor of no more than 15 seconds. More specifically, under-usually the presence of water-like liquids, this microbial adsorption Agent can be-increase in no more than 1 second The volume is at least 2 times. For the utilization of the microbial adsorbent here, when it comes into contact with _ usually water-like liquid, the absorbent will become larger and expand. This expansion function blocks the microporous pathway, and Its microbial adsorbent appears quite close. The blockage of the pathway forms a physical barrier within the microporous pathway, with the result that no further liquid can pass through. Another alternative form of tragedy | is obtained by physical blockade, If the microbial adsorbent that is desired to be used does not have the ability to swell (increase its size), that is, the woven product may also contain other special substance devices, which will swell itself in the presence of ordinary water-like liquids In some specific performances, the particles of the expandable substance and the microbial adsorbent can be combined into the woven fabric in a cohesive manner, so each individual agglomerate contains some non-expandable microbial adsorbent and some expandable substances. Of course The particles and swellable substances of the microbial adsorbent must be placed along the microporous path through this woven product. Otherwise, this The child may show their interest in the paper that i @ home country scale appropriate financial provision (CNS) A4g (21GX297 male thin) ~ -

(Please read the precautions on the back before filling in this page. J Order --- ---- Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs A7 --------__ ___B7 V. Description of the Invention (6) --- Its function. In any of these types and § # 矣: ra 1, ', table, this swellable substance is a case where the general water-like liquid appears in no more than .120 seconds, It can increase its volume by at least 1.5 times. For example, in the case of the central sentence, under the presence of a water-like liquid, the microbial adsorbent can increase its volume by at least 60 seconds. 1.5 times. In particular, under the presence of a usually watery liquid, this microbial adsorbent can be-increase its product by at least 1.5 # in no more than 15 seconds. More particularly, in a normally watery liquid In appearance, this microbial adsorbent can be one that increases its volume at least 2 times in no more than 1 second. This microbial adsorbent can be any absorbent like this, which can coexist with the woven material being used. In some specific manifestations, the microbial adsorbent may be a derivative Alkoxy, such as, for example, 3_ (trimethoxy oxygen Yue baby laid-yl) propyl dimethyl octadecyl ammonium gasification. [(CH3) 3Si (CH2) 3N (CH ^ UwCI] This material was previously available from Dow

Corning's trade name is ow corning 5700. It is now available from AegisEnviromenta. In other embodiments' the microbial adsorbent is a heavy metal. For example, this heavy metal may be silver. In other embodiments, the microbial adsorbent may be a metal salt. For example, the metal salt may be a water-insoluble polyvalent metal salt. The water-insoluble polyvalent metal salt may be a metal salt selected from the group below. The group includes metals of Groups IB, IIA, IIB, IIIA, IVB, and VIB. More specifically, 'This metal can be selected in the group containing iron, aluminum, lead, nickel, silver, calcium and one or more iron, aluminum, lead, magnesium, silver, this paper size @ 18! 家 标准(CNS) A4 specification (210X 297 mm) II--1 --- ^. ;;-1 ί ------ Order ----- ^ 3 " Line (Please read the notes on the back first Refill this page} A7 B7 V. Invention description (7) Bow alloys. This salt can be selected from the group, the complex group yvt phosphorus t „The group contains hydroxide, branch salt, chromate , Oxides, and peroxides 1. For example, this salt can be selected from the following groups, including tube fatigue & iron, ferrous iron, magnesium hydroxide, emulsified tritium, peroxide, organic, , 'Rolled magnesium lead chromate and calcium hydroxide. 〃 In some specific manifestations, this microbial adsorbent can be selected from the group consisting of bulk clay. For example, this colloidal clay may be a colloidal clay such as Sodium colloidal clay and / or calcium colloidal clay. In some embodiments, the colloidal clay may be hectorite. &Quot; ^ The microbial filter woven product of the present invention can be advantageously formed into a wide range of It is expected to have a substance of the order G, which can be & a substance that can pass through water vapor but prevent soil microorganisms from passing through it. For example, this item can be a piece of clothing such as a surgical gown, foot care, mask, Head or hair coverings, bib's trousers, gloves' overalls, and overall clean room clothing. Another option is that it can be incorporated into a product such as, for example, a sterile smock substance It is used to keep medical tools in a sterile range until they are used in surgery. Similarly, the woven fabric of the present invention can be conveniently formed into a surgical tent that is used on patients during surgery The proper term "permeable" used herein refers to a water vapor transmission rate of at least 300 grams per square meter per 24 hours when measured in accordance with AST M E 96-80 ( vy ν 丁 r) Any substance. The proper term “microbiological adsorbent” used here refers to paper with a guaranteed paper size applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm JI ---; ---- '-— eight ------ order ----- 0— line-〆 ... ;. (Please read the notes on the back before filling in this page) Printed by the Consumer Standards Department of the Central Bureau of Standards, Ministry of Economic Affairs, printed I? Printed by the Central Standards Bureau of the Ministry of Economic Affairs, and printed by the Consumer Cooperatives A7 B7 Five 'Invention Description (8) The ability to retain and / or inactivate microorganisms that appear on and above the surface, exemplifying 'as viruses, bacteria' cysts, and nematodes. Proper terminology used here " A microporous channel refers to any channel that has a diameter of _50 microns or less along its length. The proper term used herein, "microporous woven fabric," refers to The woven fabric is made oxygen-permeable by having a plurality of microporous passages here. This microporous woven fabric will also have at least 2 5 when its water drop is measured according to Method 5514-Federal Test Methods Standard No. 191A. Water drop in cm, For example, when measured, the microbial woven product may have a water drop of at least 50 cm. The proper term used here is "general watery liquid," which refers to any liquid whose main component is water. All fluids in the body, including but not limited to blood, saliva, menstruation, lymph fluid and urine, Clearly included in this definition. Whether a substance is "swellable" by first providing 100 ml of water contained in a 100 ml capacity glass-breaking plug cylinder. Then the first substance part 2 grams of the substance were dropped on the surface of the water and allowed to settle completely. Then, 2 grams of a substance partially tested was dropped on the surface. After 2 hours, the volume occupied by the substance at the bottom of the cylinder was observed To. For an expandable, substance, the substance at the bottom of the cylinder must have a significant volume of not more than _6 milliliters. The proper term "wovens" used here is intended to include any flake-like substance, All or part of it is made of most fibers. A woven product is suitable for the Chinese standard (CNS> Α4 size (2! 〇 × m mm)) (Please read the precautions on the back before filling this page)

A7 A7 Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs B7 V. Description of Invention (9) It can be woven or non-woven fabric. Typical examples of nonwoven fabrics are melt-spun fabrics and spunbond fabrics. As used herein, the proper term "non-woven fabric" refers to the I k ^ ~ chant, which has a structure with separate fibers or monofilaments interposed therebetween, and is not equal to ^ ΊΗ. Cover form. As used herein, the proper term "silk-bonded or silk-bonded fibers", "M β- 丄" is obtained by incorporating fine materials such as monofilament thermoplastics from the fines of most fine and usually spun spinnerets. The tube is extruded and melted to form a fiber, and then the diameter of this compacted monofilament is rapidly reduced, for example, by Appel et al. Green @ # 国 Patent No. 4,340,563, US patent applied by Dorschner et al. No. 3,692,618, U.S. Patent No. 3,802,81 7, filed by Matsuki et al., U.S. Patent Nos. 3,338,992 and 3,341'394, filed by Kineyney, U.S. Patent Nos. 3,502,763 filed by Levy And 3,909,009 and U.S. Patent No. 3,542,615 filed by Do bo et al., All of which are incorporated herein by reference. The proper term "meltblown fiber" as used herein means passing through a molten thermoplastic material by rubbing Several small, usually crimped, die capillaries that thin the filaments of the molten thermoplastic material when the molten fibers or filaments enter a high-speed, usually heated gas (such as air) stream. They reduced diameter. Therefore, the melt-blown fibers are carried by a high-speed gas stream and placed on a collection surface to form a fabric of melt-blown fibers with a random distribution of expenditure. Meltblown is described in, for example, U.S. Patent No. 3,849,241 applied by Buntin, U.S. Patent No. 4,307,143 applied by Meitner, etc., U.S. Patent No. applied by Wisneski, etc. The paper dimensions are applicable to Chinese National Standards (CNS) A4 is now UlOx 297 mm) (Please read the notes on the back before filling this page)

A7 B7 Printed by the Consumer Cooperatives of the Central Bureau of Standards of the Ministry of Economic Affairs 5. Description of Invention (10) No. 4,707,398, all of which are incorporated herein by reference. Fig. 1 is a schematic diagram showing a cross-sectional view of a breathable, microbial barrier fabric designed in accordance with the meaning of the present invention in a highly enlarged manner. Fig. 2 is a schematic diagram showing a highly enlarged cross-sectional view of a breathable, microbial barrier fabric designed in accordance with the teachings of the present invention. And the fabric in it also forms a physical barrier, so that the part of the fabric in contact with the liquid can allow the liquid to pass through. Fig. 3 is a schematic diagram 'representing the procedure of a microbial barrier fabric formed in accordance with the meaning of the present invention. t. Detailed description of the invention. Now, an improved microbial woven product 10 of the present invention is described in terms of a figure, which is represented by a reference number or an equivalent structure or processing step. Typically, the woven fabric 10 will be formed from a thermoplastic nonwoven fabric i 2. Of course, in other embodiments, the woven fabric 10 may be formed of a wide range of different woven materials. This nonwoven fabric 12 will be formed from a plurality of fibers 14. The random entanglement of the fibers 14 of the nonwoven fabric 12 is such that a twisted path can be formed from a first-surface 18 of the woven fabric 10 to a second surface 20 of the woven fabric 10. That is, the fibers 14 of the fabric 12, as is well known in the tradition in bonding, form a majority path through the fabric 彳 0. For the purpose of the present invention, the fibers 14 should be placed in this manner in order to determine that this path 彳 6 through the fabric 12 is a microporous path 16. When the low-denier meltblown fiber is very suitable for this work, any type can be sorted to ensure that the path 16 through the woven fabric 10 is microporous. The paper size applies the Chinese National Standard (CNS) Α4 specification (210X 297 (Mm) I ~ ^ Order ^ I ·., (Please read the notes on the back before filling out this page) Printed by the Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs A7 ______ B7 5. The fiber of the invention description (11) will be enough of. The general techniques of this technology will be easily noticed ', its typical microporous woven fabric 10 has a majority of such passages 16 per square inch. The woven fabric 10 is constructed such that the particles 22 of a substance are a microporous absorbent, which is placed between the first surface 18 of the woven fabric 10 and the second surface 20 of the woven fabric. On some part of the length of the path 16. In some examples, this laid fiber 4 will be controlled so that the size of the pathway 16 allows water vapor to pass through the woven fabric 10. That is, this woven fabric 10 is breathable. In particular, a part of the microporous pathway 16 is defined by the microporous absorbent 22, so that microorganisms (not illustrated) that attempt to pass through the woven fabric 10 via the pathway 10 must pass through fairly closely Where the microporous absorbent 22 is. This configuration allows the microporous absorbent 22 to stop the microorganisms by absorbing the microorganisms and preventing them from passing through the woven fabric 10, yet the breathability of the woven fabric 10 is still maintained at this time. In certain implementations, the thermoplastic material 12 may be selected from the group consisting of polyolefins, polyamides, polyesters, and copolymers, and any of these mentioned in combination and / or with Any other suitable combination of substances. For example, this polyolefin can be selected from the group consisting of polypropylene, polyethylene, polybutylene, and copolymers, and mixtures thereof. This polyethylene may be a linear low-density polyethylene. By specially finishing this type of microbial adsorbent 22 appearing on the woven fabric 10, the woven fabric 10 can be adapted to absorb a wide range of different pathogens. For example, the woven fabric 10 can be finished as a filter for viruses, bacteria, cysts and / or nematodes. Naturally, this woven product 10 can be applied. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) (Please read the precautions on the back before filling this page)

Printed by the Consumer Cooperatives of the Central Bureau of Standards of the Ministry of Economic Affairs A7 B7 V. Description of Invention (12)

For the absorption of a particular type of virus, pupae, cysts and / or nematodes, depending on the purpose for which it is assigned. Special 疰 Shield and 疰 + Mu pathogen absorbers can be easily used

This result. In a specific and physical context? A " In the performance, this woven fabric 10 is designed not only as a filter (absorbent) for microorganisms due to the appearance of the microbial adsorbent 22, "1 ^," but it can also be designed as a & Ding does not act as a physical (mechanical) barrier so that liquid can attempt to pass through it. In this case, this result, in the presence of a general water-like liquid, the use of the microbial adsorbent 22 can be a substance that can expand and increase its volume at least 15 times in no more than 120 seconds . For example, the microbial adsorbent 22 may be a substance that is expandable and can increase its volume at least 15 times in no more than 60 seconds. In particular, the use of this microbial adsorbent 22 may be a substance which is expandable and which can increase its volume at least 15 times in no more than 15 seconds. More specifically, the use of this microbial adsorbent 22 may be a substance which is expandable and which can increase its volume at least 2 times in no more than 1 second. When such a microbial adsorbent 22 is used, when it comes into contact with a normal water-like liquid, the absorbent 22 will swell and increase its size. This swelling function is to prevent microporous pathways 16 which are relatively close to the expandable absorbent 22. The blockade of pathway 16 creates a physical barrier, with the result that the microporous pathway 16 cannot allow liquid to pass through it. Therefore, a physical or mechanical barrier (dam) formed on this pathway 16 will block this pathway 16. The net result of this specific performance is that the woven product 10 is "smart", because as long as the woven product 10 does not receive the intrusion of liquid, it is breathable and allows water vapor to pass through. The microbial adsorbent 22 in the woven fabric 10 continuously stops pathogens such as viruses and bacteria, so that even if it can allow water vapor to pass through, it cannot pass pathogens through the paper. The size of the paper is applicable to Chinese national standards (CNS> A4 specification (210X297) Mm) (Please read the notes on the back before filling out this page}

--- Α7 Β7 Ⅴ Description of the invention (13) Pass its woven product. However, when a liquid intrusion is received, the woven fabric itself closes only the part that was eroded in order to prevent the liquid from passing therethrough. All parts of this woven fabric 10 will retain their breathability because of most other unobstructed micropores 16. A particular example of an expandable microbial adsorbent 22 is colloidal clay and, in particular, sodiumized colloidal clay. Figure 2 illustrates another method 'by which the law of access] 6 physical blockade can be obtained. If the microbial adsorbent 22 that is expected to be used does not have the ability to swell (increasing its size), its woven fabric may also contain the placement of another special substance 24, which will swell in the presence of a general water-like liquid. In some specific performances, the particles of the swellable substance 24 and the microbial adsorbent 22 can be combined into the woven fabric 10 in a condensed form, so every two individual seeds contain a part of the non-swellable micro-bio-sorption. Agent 22 and partially swellable substance 24. In any of these specific manifestations, the swellable substance 24 is one of which can increase its volume by at least 1.5 times in 120 seconds. For example, in the presence of a general water-like liquid, this swellable substance 24 may be one that increases its volume by at least 1.5 times in no more than 60 seconds. In particular, in the presence of a general water-like liquid, this swellable substance 24 may be one that increases its volume at least 15 times in no more than 15 seconds. More specifically, in the presence of a general water-like liquid, this swellable substance 24 may be one that increases its volume at least 2 times in no more than 1 second. In a specific example of such an expandable substance 24, it can be used in conjunction with a non-swellable microbial adsorbent 22, which includes, but is not limited to, kaolin and diatomaceous earth. 'The diatomaceous earth, which is known to those skilled in the art, can be processed to make it positively charged. The paper size in this design applies to Chinese National Standard (CNS) Eighty-fourth Secret _ (21 () χ297 公 Plague) β Heart (Please read the precautions on the back before filling this page) Printed by the Consumers Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs Developed -1! ^ Line ----- Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs A7 -------- B7 V. Invention Description (14) ~~~~ " ~- The limitation is that both the microbial adsorbent 22 and the swellable substance 24 must be exposed to the pathway 16 in order for them to exhibit their functions individually. The microbial adsorbent 22 may be any absorbent 22 like this, which is compatible with and co-exists with a fiber-forming substance. In some specific manifestations, _this color. 矣 .. 物. 吸. Attached 2 is-and two. Heavy .. box., Belong to-. For example, this heavy metal may be silver. ‘’ In another specific manifestation, ’the microbial adsorbent 22 may be one to one. The wheat examples show that the metal salt can be a water-insoluble polyvalent metal salt. This water-insoluble polyvalent metal salt may be a salt of _ metal, and its metal is selected from the following group, the group includes metals of group IB, Πα, ΠΒ, ΙΙΙΑ, IVB, VIB . More specifically, this metal can be selected from the group consisting of iron, aluminum, lead, magnesium, silver, calcium, and alloys of multiple iron, aluminum, lead, magnesium, silver, and calcium. This salt can be selected from the group consisting of hydroxides, phosphates, chromates, halides, and peroxides. For example, this salt can be selected from the group consisting of ferric hydroxide, ferrous hydroxide, aluminum hydroxide, magnesium hydroxide, magnesium oxide, magnesium peroxide, lead chromate, and calcium hydroxide. In some specific applications, this microbial adsorbent can be selected from the group consisting of only clay. By way of example, this colloidal clay may be a colloidal clay such as a sodium colloidal clay and / or a calcareous clay. For some specific performances, this colloidal clay can be hectorite. This microbial filter woven fabric 10 of the present invention can be advantageously formed into a wide range of 'chemical items' in which it is expected to have a substance that allows microorganisms to pass therethrough, such as water vapor, through the kernel. For example, this item could be a paper-size country ^ (please read the precautions on the back before filling out this page) --- order ---- Φ line · A7 B7 -—___ V. Description of the invention ( Ί 5) Services such as surgical hands # τrobe, foot guards, masks, head or hair coverings, perimeters, long sticks, gloves, dying. Jin ^ such as ~ farm work clothes, and generally all the cleaning of your room Clothing.> This optional woven product 10 can be incorporated into a product such as, for example, the second sterilized blouse substance, which is used to hold medical tools in a sterile field until they are used in surgery. Also The woven fabric 10 of the present invention can be conveniently formed or incorporated in a surgical tent, which is used on the patient during surgery. The woven fabric 10 of the present invention can be obtained by those skilled in the art A wide and diverse method was completed. A method for forming a thin film was described in detail on July 1, 1978, and issued to Richard A Anders〇ri,

Robert C. Sokol owski and Kurt W. Osterm U.S. Patent No. 4'100,324 are entitled "Nonwoven Fabrics and Methods of Producing This". This application is hereby incorporated by reference in its entirety into the present invention in its entirety. The woven product 10 of the present invention can be formed only by a process in which additives are used instead of the microbial adsorbent particles 22 to the fiber. All other procedural steps remain essentially the same. Of course, the choice of this microbial adsorbent 22 is expected to not interfere with the formation of the rubbing fibers 14 or react with them, and when they are formed, they will have the ability to be distributed to the fibers 1 4 in a relatively similar distribution. in. Alternatively, the microbial adsorbent 22 particles can be added to the thermoplastic material before it is squeezed through the tip of the mold to form fibers. In some specific performances, it is necessary for the microbial absorption 22 to maintain a moisture content of 1% by weight, or less to ensure the occurrence of pressure seizure. Generally speaking, this paper size applies to China National Standards (CMS) A4 Specifications (210X297 mm) -I- i II--… .---:-1 \ 111 ^-nn W: II!-I--i---i— 1h-a ^ n--I f ^ —— 1 (Please read the notes on the back before filling in this page) Printed by the Central Standards Bureau of the Ministry of Economic Affairs and Consumer Cooperatives Printed by the Consumers Cooperatives of the Central Standards Bureau of the Ministry of Economy Printed A7 _____ B7 V. Description of Invention (16) ~ Some extruded microbial adsorbent 22 particles, which will have an average particle size ranging from about 0.1 to about 7 microns. Of course, the largest particle size will be determined by the diameter of the fiber 14. Typically, The woven product 10 will contain at least about 30% of the weight of the woven product of this absorbent 22. Figure 3 illustrates, in more detail, the procedure for forming a woven product 10 according to the meaning of the present invention. Completely described in U.S. Patent No. 4,663,220, which is fully incorporated For reference here. In this particular performance, the woven fabric 彳 is formed of a meltblown nonwoven fabric 12 that may substantially contain continuous microfibers 14. Another option is well known to those skilled in the art The microfiber 14 may be discontinuous. Whether the fiber 14 is continuous or discontinuous depends on the program's variable diversification, such as the speed of the gas that makes it thinner and the diameter of I The temperature of the gas and the volume of the < thinned gas passing through the airflow path within a specific time. The meltblown fiber 彳 4 is shaped < by a conventional meltblown mold 26 'and placed on a porous strip 28. Other porous arrangements can be used if one or more empty boxes (not shown) are typically placed below the surface of the porous belt 28 and between a pair of rollers 30, one of which is shown in Figure 3 The meltblown mold 26 is provided with a thermoplastic substance, which is formed into fibers 14 through a hole 32 through a conventional extrusion device (not shown). ^ It is well known to those skilled in this technology. The mold 26 can also be in the hole 34a * 34b The pressurized air is provided. Therefore, the microfibers 14 are pushed out by the meltblown die 26, and are collected on the surface of the belt 28 with a nonwoven microporous fabric 12 such as a fiber in a moving direction such as Pointed by the arrow. The empty box helps to keep this microfiber 14 in the paper standard (CNS) M question: ^ ~~~ — (Please read the precautions on the back before filling this page)

A7 A7 V. Printed by B7 Invention Cooperative of Employees Cooperative of Central Standards Bureau of the Ministry of Economics (17, Band 8 on the surface. Typically, when this microfiber is "collected, the top of this fused U6 is located in a porous loop The surface of the belt is from about 4 inches to about 24 inches. In such a collection, the entangled microfibers are entangled into an adherent, that is, adhesive, fibrous microporous nonwoven fabric 12, which can be obtained by- (Not shown) while being taken out of the perforated #loop skin 28, which can be designed to compress the entangled fibers 14 of the fabric 12 together to improve the integrity of the fabric 2. Thereafter, the fabric] 2 can be made by traditional The device is transferred to a rolled up roller (not shown) for storage. Alternatively, the fabric 12 can be taken out directly from the belt 28 by the rolled up roller. In some specific manifestations, the fabric 12 can be An embossing pattern is formed by an ultrasonic embossing device (not shown) or other embossing device, such as a high-pressure clamp (not shown) between a heated calender and anvil roll. Expulsion of fibers 1 by meltblown die 26 After 4 but before placing the fiber 14 before the belt 28, the discrete particles of the microbial adsorbent are merged into the stream of the meltblown fiber 彳 4. If this microbial adsorbent 22 does not swell 'and the woven product ] 〇It is expected to be manufactured—with the ability to form a mechanical barrier against liquid invasion, additional particles of fibrous material with the ability to expand can be appropriately added to this fiber bundle during processing. For example, '被It is desirable to incorporate one or more types of expandable substances such as a fibrous micron superabsorbent substance or mulberry fiber or microparticles into this fiber 14. Mixing two or more types of fibers or microparticles like this is the same Combineable. This type of device is conventionally designated as a "co-formation" device by those skilled in this art. Co-formation is generally referred to as adding fibers before they are placed over the belt 28 and / Or the size of this paper applies the Chinese National Standard (CNS). M said grid (2Ι ×× 297 mm) (Please read the precautions on the back before filling in this purchase)

A7 B7 Printed by the Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs. 5. Description of the invention (18) The process from the child to the stream of newly formed fibers 14 and they then form a nonwoven fabric 12. Fig. 3 illustrates that after the formation of the microfibers 14, a stream of microparticles of the microbial adsorbent 22 is generally injected into the stream of microfibers 14 in the same form. As previously mentioned, in certain embodiments, the microbial adsorbent 22 may be in a fibrous form relative to the microparticle form. The distribution of the microparticles of the microbiological adsorbent 22 is generally a stream that passes through the entire microfiber 14 in the same pattern, and it is more desirable to combine a second air stream beam (not shown) with microparticles containing the microbiological adsorbent 22 The stream of fibers 14 is completed. To complete the combined device, it includes a microparticle injection system 36 that routinely receives the microparticles 22 in a hopper 38. The microparticle injection system 36 transports the microparticles 22 to the fiber 14. A meltblown jet stream passes through a shaped duct or spinning Silk head 40. The fine particles 22 are carried through the spinning head 40 by a second sludge of high-pressure air. The height 42 'of the forming duct or spinning head 40 with respect to the tip of the mold 26 can be adjusted in accordance with changes in the characteristics of the co-formed product. The height 42 and the distance 44 値 'will also be changed by adding this special microbial adsorbent 22 to the microfiber 14. The width of the forming duct or spinning head 40 and the length of the forming tube or spinning head 40 extending from the microparticle injection system 36 will be adjusted so that the microparticles 22 are in the stream of the meltblown microfiber 14 to obtain the most Proper and complete distribution. Preferably, the length of this forming tube or spinning head. 4 0 should be only as short as the device design allows. Figure 3 further illustrates that the direction of the gas stream carrying the microparticles 22 at the combined second gas stream is expected to be generally perpendicular to the microfibers (please read the precautions on the back before filling this page). ----- C3 " Linear paper ft size applies Chinese National Standard (CNS) A4 specification (210 X297 mm)

Printed by Du Lin, Bureau of Consumer Affairs of the Ministry of Economic Affairs of the People's Republic of China. A7 ----; _____ V. Description of Invention (19) 1 4 The direction of the stream of movement is to move. Other angles that combine the two gas streams can also be used. The speed at which the gas stream carries the microparticles 22 is usually regulated, so that its speed will be less than the speed of the gas stream that makes the microfibers 14 thinner. This allows the first bundle to flow substantially in the same direction as the stream of microfibers 14 when combined by this merger. Indeed, it is better to merge the two streams in a way that acts like an inhalation, so that the stream of particles 22 is dragged into the stream of microfibers 14. It is also expected that, due to the difference in velocity between the two gas streams, the particles 22 are merged into the microfibers 14 in a turbulent manner, so that the particles can be sufficiently mixed with the microfibers 14. Generally speaking, increasing the difference in velocity between the two-stream beams will integrate the microparticles 22 into the microfibers 彳 4 to produce a more homogenous situation, and reduce the difference in velocity between the two-stream beams. It is generally expected that the microfibers 14 will A concentration area of fine particles 22 is generated. Generally, in order to increase the generation rate, the airflow entrained and thinning the 14-microfiber stream is expected to have a high initial velocity, for example, from about 200 to about 1,000 per second. And has a low initial velocity for the stream carrying the particles 22, such as from about 50 feet to about 200 feet per second. Of course, immediately after the gas stream entraining and thinning the extruded thermoplastic material enters the microfibers 14 and exits the meltblown mold 26, it immediately expands and decreases its speed. When the merged and integrated microbial adsorbent stream enters the stream of microfibers 14 to reach the above-mentioned one, the microparticles 22 are generally distributed in the airflow of the entire spray fiber 14, and the mixed stream of microfibers 14 and microparticles 22 Be formed. When the micro-particles 22 are combined into the micro-fibers 14, the micro-fibers 14 may still be semi-melted and sticky, and in this state, the paper size of the micro-particles applies to the Chinese National Standard (CNS) A4 specification (210X297 (Mm) (Please read the precautions for the back-sale first, and fill in this education) Order ----- line A7 B7 Consumption cooperation by employees of the Central Standards Bureau of the Ministry of Economic Affairs 5. Printing of the invention (2022 is not only mechanically entangled In microfiber 彳 4, and usually also becomes heat-bonded to microfiber 彳 4. However, if the fiber 14 is not semi-melted and tacky when the microparticles 22 are incorporated therein, then the microparticles It will only be mechanically entangled in the microfiber 彳 4. In order to transform the mixed stream of microfibers 14 and microparticles 22 into a porous fibrous nonwoven yarn having microfines 22 microfibers 彳 4 which are generally distributed in the same form. 12 And, if desired, the microfibers 14 'bonded to the fabric 12' collection device is placed on the path of the mixed stream. This collection device may be a porous rotating belt 28 illustrated in Figure 3. a Traditional cormorant It can help to hold the composition mixture of the fibers 14 and the fine particles 22 on the outer surface of the belt 28. Other collection devices known to those skilled in the art can be used to rotate the belt. For example, '-porous rotating cylinder The device can be used. Thereafter, the fabric M can be removed from the belt 28 by a pair of pinch rollers (not shown) and stored in a conventional roll-up roll as previously discussed. Those skilled in the art, Several different variations of this procedure will be easily ascertained. For example, instead of using traditional co-forming equipment, the adsorbent can be extruded straight out of the mold 26 t. The specific table here is that the particles 22 will be directly merged into Fiber 14. In the part of these textures, the result of the woven will contain one or more of the outer surface, quasi 14. In some specific manifestations, this fiber 14 may communicate with the first part of the surface of this fiber 14 And appearance-allowable-microporous pathway 16. As shown in the foregoing specific expression: The Shaofen of the road will be supported by the microbial adsorbent 22 ^ I also choose the national ... ) (Public (please read the notes on the back before filling out this page) Order ----- U line I 11 --- A7 B7 V. Invention description (21 Yes, among other concrete manifestations' this The fiber 14 will have an outer surface defined as a depression. In these specific expressions, this outer surface is defined as a depressed portion, which itself is defined by a microbial adsorbent. In some specific expressions' may be expected It is a laminate forming the woven product 10 of the present invention and one or more other substances. Such a laminate will have the bonding properties of all individual layers. By way of example, this laminate has an appearance similar to that of a fabric and Tactile, a similar breathable fabric that still prevents microbes from passing here. Of course, the specific manifestation of the proprietary laminates can be observed is that through traditional lamination processes, conventionally, there are 2, 3 or more separate and discontinuous layers combined. 0 can be understood Changes and adjustments of the invention can be achieved without departing from the scope of the invention. It can also be understood that the scope of the present invention can not be interpreted and limited to the expression of the specific specific examples disclosed herein, but only based on the scope of the attached patent application, which is in accordance with the content disclosed earlier. ----:-J ---- 1 '· .— ".------ Order ----- ¢ 5 line (Please read the precautions on the back before filling this page)纸张 The paper size printed by the Bureau of Standardization and Shellfish Consumer Cooperative is applicable to China National Standard (CNS) A4 (210X297 mm)

Claims (1)

Sixth, the scope of the patent application 1. The microporous fabric containing a microbial adsorbent is a fabric, which is defined as having a first and a second surface and contains: ^ Number of fibers are defined as at least-microporous pathways, which can be allowed to pass through The first and second surfaces of the fabric communicate with each other; and the part of the microporous pathway is defined by a microbial adsorbent; the microbial adsorbent is suitable for the presence of a general water-like liquid in the Increase its volume at least i.5 times within 120 seconds; where the microbial adsorbent is a metal salt; where the metal salt is a water-insoluble polyvalent metal salt. 2 'The fabric according to item 1 of the patent application park, wherein the fabric is formed of at least one substance selected from the group consisting of polyolefin, polyamine, polyester and copolymer, and a combination Any mixture of these and / or any other suitable substances. 3 The fabric according to item 2 of the patent application, wherein the polyalkylene group can be selected from the group consisting of polypropylene, polyethylene, polybutylene, and copolymers, or a mixture thereof. 4. The fabric according to item 3 of the scope of patent application, in which the polyethylene is a linear, low-grade polyethylene, 'D 5 · The fabric according to item 1 of the scope of patent application, in which the microbial adsorbent is suitable to absorb at least A type of virus. 6. The fabric according to item 1 of the scope of the patent application, wherein the microbial adsorbent is adapted to absorb at least one type of bacteria. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 7. According to item 1 of the scope of patent application, the microbial adsorbent is suitable for absorbing at least one type of cyst. 8. The fabric according to item 1 of the patent application scope, wherein the microbial adsorbent is adapted to absorb at least one type of nematode. 9 'The fabric according to item 1 of the patent application scope, wherein the microbial adsorbent is suitable to increase its volume by at least 1.5 times in the maximum 60 seconds under the appearance of a general water-like liquid. 10. The fabric according to item 1 of the scope of the patent application, where the microbial adsorbent is suitable for Ί ~ ί II 11 D: Wendy / patent / cIaim / PKOO! -0347 Also applicable to China @ 家 标准 (CNS) A4 specification (21 Love) Sixth, the scope of the patent application 1. The microporous fabric containing a microbial adsorbent is a fabric, which is defined as having a first and a second surface and contains: ^ Number of fibers are defined as at least-microporous pathways, which can be allowed to pass through The first and second surfaces of the fabric communicate with each other; and the part of the microporous pathway is defined by a microbial adsorbent; the microbial adsorbent is suitable for the presence of a general water-like liquid in the Increase its volume at least i.5 times within 120 seconds; where the microbial adsorbent is a metal salt; where the metal salt is a water-insoluble polyvalent metal salt. 2 'The fabric according to item 1 of the patent application park, wherein the fabric is formed of at least one substance selected from the group consisting of polyolefin, polyamine, polyester and copolymer, and a combination Any mixture of these and / or any other suitable substances. 3 The fabric according to item 2 of the patent application, wherein the polyalkylene group can be selected from the group consisting of polypropylene, polyethylene, polybutylene, and copolymers, or a mixture thereof. 4. The fabric according to item 3 of the scope of patent application, in which the polyethylene is a linear, low-grade polyethylene, 'D 5 · The fabric according to item 1 of the scope of patent application, in which the microbial adsorbent is suitable to absorb at least A type of virus. 6. The fabric according to item 1 of the scope of the patent application, wherein the microbial adsorbent is adapted to absorb at least one type of bacteria. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 7. According to item 1 of the scope of patent application, the microbial adsorbent is suitable for absorbing at least one type of cyst. 8. The fabric according to item 1 of the patent application scope, wherein the microbial adsorbent is adapted to absorb at least one type of nematode. 9 'The fabric according to item 1 of the patent application scope, wherein the microbial adsorbent is suitable to increase its volume by at least 1.5 times in the maximum 60 seconds under the appearance of a general water-like liquid. 10. The fabric according to item 1 of the scope of the patent application, where the microbial adsorbent is suitable for Ί ~ ί II 11 D: Wendy / patent / cIaim / PKOO! -0347 Also applicable to China @ 家 标准 (CNS) A4 specification (21 Love) 394673 A8 B8 C8 D8 The Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs has printed a patent application covering the general scope of the water, which has a product of at least 1.5 times in a maximum of 15 seconds. U ·, according to the scope of patent application! Item of fabric, in which the presence of a microbial adsorbent suitable for the presence of a water-like liquid, increases its volume by a factor of two in a maximum of 1 second. '12 · According to the patent, the fabric of item 1 of the patent scope, wherein the fabric further includes-possible material, which is defined as a part of the passage-and is suitable for-the general water sample U = present, at most 120 Increase its volume at least 1.5 times in seconds. • 3. According to the patent application Fan Yuandi! Item of fabric, in which the fabric further comprises an expandable substance, which is defined as a passageway—partial and suitable—becomes a water-like liquid progenitor, and increases its volume at least i within 60 seconds. 5 pieces. 4. According to the scope of patent application! Item of fabric, in which the fabric further comprises a swellable substance, which is defined as part of the pathway, and is suitable to appear under the appearance of a normal water sample, to increase its volume at least 15 seconds at least 5 Pieces. 5. f The fabric according to item 1 of the scope of the patent application, wherein the fabric further contains an expandable substance, the boundary of which is a part of the passage and is suitable for the appearance of a normal water sample visual body, in a maximum of 丨 seconds Increase its volume within at least 2 companions. 16. The fabric according to item 15 of the application, in which a microbial adsorbent is attached to the swellable substance. α The fabric according to Patent Application No. M, wherein the microbial adsorbent is a heavy metal. 18. The fabric according to item 1 of the patent application park, wherein the heavy metal is silver. 19. The fabric according to item 1 of the scope of the patent application, wherein the water-insoluble polyvalent metal salt may be a metal salt, and the metal thereof is selected from the following group, the group includes Group IB, ΙΙΑ, ΙΙΒ Group, IIIA, IVB, vm metals. 20. The fabric according to item 19 of the scope of patent application, in which the metal may be selected from the group consisting of iron, aluminum, lead, magnesium, silver, calcium, and alloys of one or more iron, aluminum, magnesium, silver, and calcium. 21 · According to the item 1 of the scope of patent application, the salt can be selected from the group This paper "'Tf first read the special note on the back and then fill out this page) -nnn ϋ inn 1' -nu 1« · -1. Install ---------Order ---, --- Γ (210 394673 as I 7. The scope of patent application-~ 'option, the group includes hydroxides, phosphates, chromates, oxides and peroxides. (Read the note on the back ^-matters before filling out this page) 22. According to the item 2i of the scope of the second patent, the salt can be selected from the group consisting of iron hydroxide; ferrous hydroxide, magnesium hydroxide, magnesium oxide, magnesium oxide, Peroxide, acid, and hydroxide conversion. 23 • According to the application of the item in the scope of the patent application, the microbial adsorbent is selected from the group containing colloidal clay. 24. According to the scope of patent application The fabric of item 23, among which the colloidal clay is selected from the group consisting of colloidal clay and hectorite. 25.: According to the patent application of Fanyuan, the fabric of item No. 26 is gelatin clay 26 . = Fabric according to item% of the scope of patent application, where the clay is calcium gel 27. According to item 1 of the scope of patent application Fabric, wherein the fabric is a non-woven fabric. 2 8. The fabric according to item 1 of the patent application park, wherein the fabric is a woven fabric. 29. The fabric according to item 2 of the patent application park, of which Nonwoven fabric is — spunbond fabric. The fabric according to item η of the scope of patent application, wherein the non-woven fabric is a meltblown fabric. 31. — a kind of clothes, including the fabric of the patent application park # 丨 Ministry of Economic Affairs wisdom Printed by the Property Cooperative Consumer Cooperative 32. —Fabric, containing a microbial adsorbent, the fabric contains at least —weaving only: ,,, — —external surface; and this fiber is defined as at least —microporous pathways, which are allowed to pass through The first and second surfaces of the fabric communicate with each other; and the part of the microporous pathway is defined by a microbial adsorbent. 3 3 — —Fabric, which includes a microbial adsorbent, and the fabric includes at least one The fiber has: an outer surface defined as a depression; and D: Wendy / patent / claim / PKOO 1-0347 this paper standard " (CNS) A4 "(21G x 297 mm) 394673 A8 B8 C8 D8 The scope of the patent application where the outer surface is defined as a depression is defined by a microbial adsorbent. 34. —Laminated products containing the fabric of the first patent application scope 35. —Laminated products containing the patent application scope Fabrics with 32 items. 36. —Laminated products, including fabrics with the scope of application for item 33. (Please read the precautions on the back before filling out this page) ---- Order ------- Θ- Economy The Intellectual Property Bureau of the Ministry of Intellectual Property has worked with consumers to print printed paper. The size of the paper is applicable to China National Standard (CNS) A4 (210 X 297 mm) D: Wendy / patent / claim / PKOO I -0347