WO2021088244A1 - 抗菌水刺无纺布及其制备方法 - Google Patents
抗菌水刺无纺布及其制备方法 Download PDFInfo
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- WO2021088244A1 WO2021088244A1 PCT/CN2020/070409 CN2020070409W WO2021088244A1 WO 2021088244 A1 WO2021088244 A1 WO 2021088244A1 CN 2020070409 W CN2020070409 W CN 2020070409W WO 2021088244 A1 WO2021088244 A1 WO 2021088244A1
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- WIPO (PCT)
- Prior art keywords
- antibacterial
- parts
- woven fabric
- agent
- spunlace
- Prior art date
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- 239000011701 zinc Substances 0.000 abstract description 7
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Classifications
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/20—All layers being fibrous or filamentary
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
- B32B2260/023—Two or more layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
- B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/103—Metal fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
- B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/11—Oleophobic properties
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- D—TEXTILES; PAPER
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- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/35—Abrasion, pilling or fibrillation resistance
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/50—Modified hand or grip properties; Softening compositions
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
Definitions
- the invention relates to the technical field of fiber products and composite materials, in particular to an antibacterial spunlace non-woven fabric and a preparation method thereof.
- Non-woven fabric also known as non-woven fabric, is composed of directional or random fibers. It is called cloth because of its appearance and certain properties. It has been widely used in people's lives.
- non-woven fabrics are conducive to the adhesion of microorganisms due to their porous shape and the chemical structure of polymer compounds. Therefore, the research and development of non-woven fabrics' moisture absorption and antibacterial functions are of great significance.
- CN201810850750.6 discloses a method for preparing a moisture-absorbing, air-permeable and antibacterial polyurethane synthetic leather spunlace non-woven fabric, and evenly sprinkle modified coconut bran products, carboxylated graphene sheets, polyurethane adhesives, etc. on the moisture-absorbing, air-permeable Spunlace is made by folding and flattening the surface of a woven material, which has limitations in use.
- the invention provides an antibacterial spunlace nonwoven fabric and a preparation method thereof, and provides an antibacterial spunlace nonwoven fabric with durable antibacterial performance, strong hygroscopicity, non-toxic and pollution-free.
- the present invention provides an antibacterial agent solution for an antibacterial spunlace nonwoven fabric, which, in parts by weight, includes 10-15 parts of water absorbing agent, 5-10 parts of finishing agent, 0.5-1 part of antibacterial and antifungal agent, and the rest For water.
- the water absorbing agent is a polyamide derivative.
- the polyamide derivatives include polyamide resins, such as nylon 6, nylon 66, and the like.
- the water absorbing agent is preferably 12 parts.
- Polyamide resin has toughness, flexibility, strong binding force, abrasion resistance, oil resistance, water resistance, enzyme resistance, and high water absorption. Among them, nylon 6 has good elasticity, high impact strength, and greater water absorption; nylon 66 has better performance than nylon 6, with high strength and good wear resistance.
- the finishing agent is polyvinyl acetate, preferably 7 parts.
- the polyvinyl acetate has toughness and plasticity; strong adhesion, resistance to dilute acid and dilute alkali; and can form a strong coating.
- the antibacterial and antifungal agent is silver ion, zinc ion or titanium dioxide, etc., preferably 0.8 parts; the source of zinc ion is zinc chloride or zinc oxide.
- the antibacterial agent solution also includes color paste.
- the color paste is a green color paste.
- the color paste is 0-0.5 parts, preferably 0.2 parts.
- the antibacterial agent solution includes 12 parts of polyamide resin, 7 parts of polyvinyl acetate, 0.8 parts of zinc ion, 0.2 parts of color paste, and the rest is water.
- the present invention provides a method for preparing an antibacterial spunlace nonwoven fabric, the specific steps are as follows:
- Step 1) Dissolve the water absorbing agent, finishing agent, and antibacterial and antifungal agent in water to form an antibacterial solution
- Step 2) Pass the spunlace non-woven fabric through the antibacterial agent solution, and then dry it to obtain the antibacterial spunlace non-woven fabric.
- Spunbond method is used to prepare filament fibers of pure plastic materials (PET, PP, etc.), and the filament fibers are spread on the netting curtain, and the filament fibers are pyrolyzed by high-pressure hydroentanglement to obtain superfine spunlace non-woven fibers cloth;
- Method 2 Cover the metal fiber net between the two layers of superfine fiber nonwoven fabrics obtained in Method 1), and prepare the superfiber composite spunlace nonwoven fabric by using the spunlace method.
- the metal fiber mesh may be silver fiber mesh, zinc fiber mesh, copper fiber mesh, aluminum fiber mesh, carbon fiber composite zinc mesh, etc.;
- Method 3 Covering the superfine fiber nonwoven fabric between the two layers of metal fiber nets obtained in Method 1), and preparing the superfiber composite spunlace nonwoven fabric by using the spunlace method.
- the metal fiber mesh may be silver fiber mesh, zinc fiber mesh, carbon fiber composite zinc mesh, and the like.
- the metal elements in the fiber filament material containing metal elements of the present invention include zinc, copper, aluminum, silver and the like.
- the selected fibers are opened, mixed, and cross-laid to make a fiber web.
- the multi-layer pure or composite fiber web is pierced by the high-pressure water flow through the hydroentanglement method, and multiple piercing holes are formed on the surface of the fiber.
- the fiber web is reinforced to obtain spunlace non-woven fabric; in the spunlace method: pre-wet water pressure, spunlace pressure, spraying time, production line speed, etc.
- the non-woven fabric can be adjusted according to the needs of different non-woven products; Soak through the antibacterial agent solution, so that the gaps and areas of the non-woven fabric are evenly infiltrated, and also make the components of the antibacterial agent solution better disperse, and the antibacterial effect is uniform; use the spunlace non-woven fabric to pass through the antibacterial agent solution In this method, the generation of bubbles in the antibacterial agent solution can be avoided, and the distribution of the components can be uniform, so that the non-woven fabric has uniform hygroscopicity and antibacterial and mildew resistance, and can effectively avoid the precipitation of substances in the pores of the non-woven fabric after drying.
- the plastic fibers such as PET used in the present invention do not contain organic substances such as bacteria or mold; the antibacterial and antifungal agents of metal elements such as zinc ions have a long-lasting effect and do not contain harmful substances; the hydrophilicity of the antibacterial spunlace non-woven fabric prepared in this application Good, the water absorption height is at least 130mm in about 5min, which is suitable for the technical requirements of filter elements and other products, and the water absorption rate is more than 65%.
- the preparation process of the antibacterial agent solution is as follows: in parts by weight, add 10-15 parts of water absorbing agent, 5-10 parts of finishing agent, and 0.5-1 part of antibacterial and antifungal agent into 75-85 parts of water, and add The mixture is stirred for 10 minutes until the solute is dissolved. If part of the solute does not dissolve, add a small amount of organic solvent or heat, such as acetone or ethanol to accelerate the dissolution, and the mixed solution is prepared at room temperature. Further, according to the color demand of the antibacterial spunlace non-woven fabric, color paste is added.
- the preparation process of the antibacterial agent solution is as follows: in parts by weight, add 10-15 parts of polyamide resin, 5-10 parts of polyvinyl acetate, and 0.5-1 part of zinc ion to 75-85 parts of water. Stir the mixture for 10 minutes until the solute is dissolved. If part of the solute does not dissolve, add a small amount of organic solvent or heat, such as acetone or ethanol to accelerate the dissolution, and place the mixed solution at room temperature. Further, according to the color demand of the antibacterial spunlace non-woven fabric, color paste is added.
- step 2) the passage time of the spunlace non-woven fabric in the antibacterial agent solution is greater than or equal to 5 seconds; the drying temperature is 80-150°C.
- the present invention provides an antibacterial spunlace nonwoven fabric prepared by the method of the present invention.
- the surface of the prepared antibacterial spunlace non-woven fabric is covered with an antibacterial agent coating.
- the antibacterial and antifungal agent can effectively inhibit the reproduction of bacteria, improve the antibacterial performance of the non-woven fabric, and have long-lasting and safe antibacterial effects; the water absorbing ability of the water absorbent is very good.
- Coating on the surface of the non-woven fabric can increase the softness, wear resistance, oil resistance, and enzyme resistance of the non-woven fabric; in the prior art, the water absorption of polyamide derivatives is not beneficial, and its water absorption is used in this application It is of great significance to enhance the water absorption performance of the antibacterial spunlace nonwoven fabric and overcome the existing prejudices; the finishing agent has strong adhesion, which can make the raw materials of the antibacterial coating better adhere to the surface of the spunlace nonwoven fabric. Improve the adhesion effect of the antibacterial agent coating of the non-woven fabric.
- the product of this application is a factor in the occurrence of fungi and mildew.
- This application uses pure plastic materials (PET, PP, etc.) or pure plastic materials ( PET, PP, etc.) combined with fibers containing metal elements to prepare non-woven fabrics can effectively inhibit the occurrence of fungi and molds and completely eliminate such problems; currently many similar products on the market use different pharmaceutical preparations to kill or inhibit bacteria It can effectively inhibit bacteria and kill bacteria without side effects by covering the antibacterial agent coating on the non-anti-cloth surface layer in this application.
- the invention provides an antibacterial spunlace nonwoven fabric and a preparation method thereof.
- the antibacterial agent solution prepared by the distribution ratio of each component has a reasonable ratio, which is beneficial to improve antibacterial and hygroscopicity, and has good air permeability and other properties; adopted in the preparation process Directly pass the solution to ensure the uniformity of antibacterial and moisture absorption, making the product's antibacterial and moisture absorption performance efficient and lasting.
- the antibacterial spunlace non-woven fabric prepared by using pure plastic fiber or plastic fiber combined with metal element fiber has high hygroscopicity and strong antibacterial effect, and can be used for evaporative air coolers, humidifiers, air purifiers and other filter materials.
- the various reagents and raw materials used in the present invention are all commercially available products or products that can be prepared by known methods.
- the antibacterial agent solution for the antibacterial spunlace non-woven fabric To prepare the antibacterial agent solution for the antibacterial spunlace non-woven fabric, add 10-15 parts by weight of polyamide resin, 5-10 parts of polyvinyl acetate, and 0.5-1 part of zinc ion to 75-85 parts of water. Stir the mixture for 10 minutes until the solute is dissolved. If part of the solute does not dissolve, add a small amount of organic solvent, such as acetone or ethanol to accelerate the dissolution, and place the mixed solution at room temperature. Further, according to the color demand of the antibacterial spunlace non-woven fabric, color paste is added.
- organic solvent such as acetone or ethanol
- the preparation method of antibacterial spunlace non-woven fabric the specific steps are as follows:
- Step 1) In parts by weight, add 12 parts of polyamide resin, 7 parts of polyvinyl acetate, and 0.8 parts of zinc ion to 80 parts of water, stir the mixture for 10 minutes until the solute is dissolved, and place the mixed solution at room temperature. Antibacterial agent solution; further, depending on the situation, add 0.2 parts of color paste;
- Step 2 The PET plastic fibers are opened, mixed, and cross-laid to form a fiber web, supported by a trawl curtain, and the fiber web is pierced by a high-pressure water stream under the support of a trawl curtain to prepare a spunlace non-woven fabric;
- the pre-wet water pressure is 0.15bar
- the spunlace pressure is 25bar
- the control injection time is 1-2min
- the production line speed is 3.5m/min;
- Step 3 Soak the spunlace non-woven fabric in the antibacterial agent solution for a time of ⁇ 5 seconds. After completion, dry it with hot air. The drying temperature of the hot air is set to 120°C, and the antibacterial is obtained by winding and packaging. Spunlace non-woven fabric.
- the preparation method of antibacterial spunlace non-woven fabric the specific steps are as follows:
- Step 1) In parts by weight, add 15 parts of polyamide resin, 5 parts of polyvinyl acetate, and 0.5 part of zinc ion to 79.5 parts of water, stir the mixture for 10 minutes until the solute is dissolved, and place the mixed solution at room temperature. Antibacterial agent solution; further, depending on the situation, add 0.2 parts of color paste;
- Step 2 The PP plastic fiber or silver-containing metal fiber is opened, mixed, and cross-laid to make PET plastic fiber mesh cotton or silver-containing fiber mesh.
- the high-pressure The water flow punctures the composite fiber web (a layer of metal-containing fiber web is laid between the two layers of PP fiber web and cotton) to prepare a silver composite spunlace non-woven fabric; in the spunlace method: the pre-wet water pressure is 0.15 bar, and the spunlace The pressure is 25bar, the control injection time is 1-2min, and the production line speed is 3.5m/min;
- Step 3 Soak the silver composite spunlace non-woven fabric in the antibacterial agent solution for a time of ⁇ 5 seconds. After completion, use hot air for drying. The drying temperature of the hot air is set to 150°C, and the package is ready for rewinding and packaging. Obtain antibacterial spunlace non-woven fabric.
- the preparation method of antibacterial spunlace non-woven fabric the specific steps are as follows:
- Step 1) In parts by weight, add 10 parts of polyamide resin, 10 parts of polyvinyl acetate, and 1 part of zinc ion to 79 parts of water, stir the mixture for 10 minutes until the solute is dissolved, and place the mixed solution at room temperature. Antibacterial agent solution; further, depending on the situation, add 0.2 parts of color paste;
- Step 2 The PET plastic fiber or the fiber containing metal elements (zinc, copper, silver, aluminum, etc.) is opened, mixed, and cross-laid to make PET plastic fiber mesh or metal fiber mesh, which is supported on the trawl curtain
- the composite fiber web (with a layer of plastic fiber mesh between two layers of metal-containing fiber webs) is pierced by high-pressure water to prepare a spunlace non-woven fabric; in the spunlace method: pre-wet
- the water pressure is 0.15bar
- the spunlace pressure is 25bar
- the control injection time is 1-2min
- the production line speed is 3.5m/min;
- Step 3 Soak the composite spunlace non-woven fabric in the antibacterial agent solution for a passing time of ⁇ 5 seconds. After completion, dry it with hot air. The drying temperature of the hot air is set to 80°C, and the package is ready to be rewinded and packaged. Antibacterial spunlace non-woven fabric.
- Step 1) The PET fibers are opened, mixed, and cross-laid to make a fiber web. Under the support of a trawl curtain, the fiber web is pierced by a high-pressure water stream under the support of a trawl curtain to prepare a spunlace nonwoven fabric; water Puncture method: the pre-wet water pressure is 0.15bar, the spunlace pressure is 25bar, the control spray time is 1-2min, and the production line speed is 3.5m/min;
- Step 2) Soak the spunlace non-woven fabric through water for ⁇ 5 seconds. After completion, dry it with hot air.
- the drying temperature of the hot air is set to 120°C, and the spunlace non-woven fabric is reeled and packaged. cloth.
- Inhibition rate (the number of viable cells in the blank control-the number of viable spunlace non-woven fabrics) / the number of viable cells in the blank control sample, where the blank is the control
- Inhibition rate (the number of viable cells in the blank control-the number of viable spunlace non-woven fabrics) / the number of viable cells in the blank control sample, where the blank is the control
- the antibacterial effect of the non-woven material of the present invention was obtained by calculation, and the test bacteria selected the antibacterial rate of Staphylococcus aureus, Escherichia coli, Candida albicans, and Penicillium.
- JIS Z 2911-2010 Japanese Antifungal Test Method was used to test the antifungal rate of the enzyme species of Aspergillus niger and Penicillium citrinum.
- Example 1 the water absorption height and bacteriostatic rate of Example 1 are better.
- the antibacterial spunlace non-woven fabric of the present invention has obvious advantages in water absorption and bacteriostasis, and it also has an anti-mold aspect. Advantage.
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Abstract
本发明公开了一种抗菌水刺无纺布及其制备方法,采用纯塑胶材料(PET、PP等)或含有金属元素(锌、铜、铝、银等)的纤维丝材料制备水刺无纺布,再通过各组分配比制备的抗菌剂溶液制得抗菌水刺无纺布。本发明的抗菌水刺无纺布,配比合理,利于提升抗菌性、防霉性和吸湿性,具有透气性好等性能;制备过程中采用直接通过溶液的方式,保证抗菌和吸湿的均匀性,使得产品抗菌吸湿性能高效持久。
Description
本发明涉及纤维制品及复合材料技术领域,具体来说,涉及一种抗菌水刺无纺布及其制备方法。
无纺布又称不织布,是由定向的或随机的纤维而构成,因具有布的外观和某些性能而称其为布,已经被广泛地应用于人们的生活中。但无纺布因其多孔式形状和高分子化合物的化学结构有利于微生物的附着,因此无纺布吸湿、抗菌功能性研究和开发有着重要的意义。
CN201810850750.6公开一种吸湿、透气、抗菌的聚氨酯合成革用水刺无纺布的制备方法,将改性椰糠产物、羧基化石墨烯片材、聚氨酯粘合剂等均匀撒在吸湿、透气的水刺用织造材料表面,对折,压平制得,在使用过程中存在局限性。
发明内容
本发明提供了一种抗菌水刺无纺布及其制备方法,提供一种具有抗菌性能持久,吸湿性强和无毒无污染的抗菌水刺无纺布。
为实现上述技术目的,本发明的技术方案是这样实现的:
一方面,本发明提供一种抗菌水刺无纺布的抗菌剂溶液,按重量份数计,包括吸水剂10~15份,整理剂5-10份,抗菌防霉剂0.5-1份,其余为水。
进一步地,所述吸水剂为聚酰胺衍生物。所述聚酰胺衍生物包括聚酰胺树脂,例如尼龙6,尼龙66等。所述吸水剂优选12份。聚酰胺树脂,具有坚韧、柔软性、结合力强,耐磨、耐油、耐水、抗酶菌,吸水性大。其中,尼龙6弹性好,冲击强度高,吸水较大;尼龙66性能优于尼龙6,强度高,耐磨性好。
进一步地,所述整理剂为聚乙酸乙烯酯,优选为7份。所述聚乙酸乙烯酯:有韧性和塑性;黏着力强,耐稀酸、稀碱;能形成坚固的涂层。
进一步地,所述抗菌防霉剂为银离子、锌离子或二氧化钛等,优选为0.8份;锌离子 来源氯化锌或氧化锌。
进一步地,所述抗菌剂溶液中还包括色浆。所述色浆为绿色色浆。所述色浆为0-0.5份,优选为0.2份。
进一步地,所述抗菌剂溶液,包括聚酰胺树脂12份,聚乙酸乙烯酯7份,锌离子0.8份,色浆0.2份,其余为水。
一方面,本发明提供一种抗菌水刺无纺布的制备方法,具体步骤如下:
步骤1)将吸水剂、整理剂、抗菌防霉剂溶于水中,形成抗菌剂溶液;
步骤2)将水刺无纺布通过抗菌剂溶液中,完成后进行烘干,即得抗菌水刺无纺布。
进一步地,所述水刺无纺布的制备方式有如下几种:
方式1)采用纺粘法制备纯塑胶材料(PET、PP等)长丝纤维,将长丝纤维在成网帘上铺网,经高压水刺使得长丝纤维裂解得到超细纤维水刺无纺布;
方式2)将金属纤维网覆盖在方式1)得到的两层超细纤维无纺布之间,运用水刺法制备得到超纤复合水刺无纺布。所述金属纤维网可以是银纤维网、锌纤维网、铜纤维网、铝纤维网、碳纤维复合锌网等;
方式3)将超细纤维无纺布覆盖在方式1)得到的两层金属纤维网之间,运用水刺法制备得到超纤复合水刺无纺布。所述金属纤维网可以是银纤维网、锌纤维网、碳纤维复合锌网等。
本发明所述的含有金属元素的纤维丝材料中的金属元素包括锌、铜、铝、银等。
选用纤维经过开松、混合、交叉铺网工序制成纤维网,在拖网帘支撑下,通过水刺法,由高压水流对多层纯或复合纤维网进行穿刺,在纤维表面形成多个穿刺孔,同时使纤维网得到加固,制得水刺无纺布;水刺法中:预湿水压、水刺压力、喷射的时间、生产线速度等可根据不同无纺布产品的需求进行调控;通过在抗菌剂溶液中浸泡通过,使得无纺布的各个间隙和区域之间浸润均匀,也使得抗菌剂溶液各组分分散性更好,抗菌效果均一;采用水刺无纺布穿过抗菌剂溶液中,可以避免抗菌剂溶液中气泡的产生,也能使各组分分布均一,使无纺布的吸湿性和抗菌防霉性均匀,可有效避免烘干后无纺布孔洞内物质的沉淀。
本发明使用PET等塑胶纤维本身不含生菌发霉等有机物质;锌离子等金属元素的抗菌防霉剂的作用长久,不含有害物质;本申请制备的抗菌水刺无纺布的亲水性好,在5min左右可吸水高度至少130mm,适合滤芯等产品的技术要求,吸水率达65%以上。
进一步地,所述抗菌剂溶液制备过程如下:按重量份数计,将吸水剂10~15份,整理剂5-10份,抗菌防霉剂0.5-1份加入至75-85份水中,将混合物搅拌10分钟至溶质溶解, 若有部分溶质不溶解,添加少量有机溶剂或加热,例如丙酮或乙醇加快溶解,混合溶液置于室温下制得。进一步地,根据对抗菌水刺无纺布颜色的需求,添加色浆。
进一步地,所述抗菌剂溶液制备过程如下:按重量份数计,将聚酰胺树脂10~15份,聚乙酸乙烯酯5-10份,锌离子0.5-1份加入至75-85份水中,将混合物搅拌10分钟至溶质溶解,若有部分溶质不溶解,添加少量有机溶剂或加热,例如丙酮或乙醇加快溶解,混合溶液置于室温下制得。进一步地,根据对抗菌水刺无纺布颜色的需求,添加色浆。
进一步地,步骤2)中水刺无纺布在抗菌剂溶液中通过的时间≥5秒;所述烘干的温度为80-150℃。
一方面,本发明提供一种抗菌水刺无纺布,运用本发明的方法制备得到。
制备的抗菌水刺无纺布表面覆盖有抗菌剂涂层,其中,抗菌防霉剂能够有效抑制细菌的繁殖,提高无纺布的抗菌性能,抗菌效果持久安全;吸水剂的吸水能力很好,涂覆在无纺布的表面可以增加无纺布的柔软性,耐磨,耐油,抗酶菌;现有技术中对于聚酰胺衍生物的吸水性是无益的,在本申请中利用其的吸水性增强抗菌水刺无纺布的吸水性能,克服现有偏见,具有很大的意义;整理剂附着力强,可以使抗菌涂层的各原料更好地附着于水刺无纺布的表面,提高无纺布的抗菌剂涂层的附着效果。
本申请产品与市场上含有植物纤维成分来改善亲水性的产品相比,植物纤维本身就是菌类霉类的发生因素,本申请采用纯塑胶材料(PET、PP等)、或纯塑胶材料(PET、PP等)与含金属元素的纤维结合制备无纺布能有效抑制菌类霉类的发生,完全杜绝此类问题;目前市场上很多同类产品采用不同药物制剂的方式来杀死或抑制细菌生长,而本申请通过经无防布表层覆盖抗菌剂涂层,能有效抑菌杀菌,无副作用。
本发明提供一种抗菌水刺无纺布及其制备方法,通过各组分配比制备的抗菌剂溶液,配比合理,利于提升抗菌性和吸湿性,具有透气性好等性能;制备过程中采用直接通过溶液的方式,保证抗菌和吸湿的均匀性,使得产品抗菌吸湿性能高效持久。
本发明运用纯塑胶纤维或塑胶纤维复合含金属元素纤维制备的抗菌水刺无纺布的吸湿性高,抗菌效果强,可用于蒸发型冷风机、加湿器、空气净化器等滤品材料。
下面将结合本发明实施例,对技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普 通技术人员所获得的所有其他实施例,都属于本发明保护的范围。
除非另有定义,下文中所使用的所有专业术语与本领域技术人员通常理解的含义相同。本文中所使用的专业术语只是为了描述具体实施例的目的,并不是旨在限制本发明的保护范围。
除有特别说明,本发明中用到的各种试剂、原料均为可以从市场上购买的商品或者可以通过公知的方法制得的产品。
实施例中所有份数和百分数除另有规定外均指质量。
制备抗菌水刺无纺布的抗菌剂溶液,按重量份数计,将聚酰胺树脂10~15份,聚乙酸乙烯酯5-10份,锌离子0.5-1份加入至75-85份水中,将混合物搅拌10分钟至溶质溶解,若有部分溶质不溶解,添加少量有机溶剂,例如丙酮或乙醇加快溶解,混合溶液置于室温下制得。进一步地,根据对抗菌水刺无纺布颜色的需求,添加色浆。
实施例1
抗菌水刺无纺布的制备方法,具体步骤如下:
步骤1)按重量份数计,将聚酰胺树脂12份,聚乙酸乙烯酯7份,锌离子0.8份加入至80份水中,将混合物搅拌10分钟至溶质溶解,混合溶液置于室温下制得抗菌剂溶液;进一步地,可视情况,添加0.2份色浆;
步骤2)将PET塑胶纤维经过开松、混合、交叉铺网工序制成纤维网,在拖网帘支撑下,通过水刺法,由高压水流对纤维网进行穿刺,制备得到水刺无纺布;水刺法中:预湿水压为0.15bar,水刺压力为25bar,控制喷射的时间为1-2min,生产线速度为3.5米/分;
步骤3)将水刺无纺布浸泡通过抗菌剂溶液中,通过的时间≥5秒,完成后用热空气进行烘干,热空气的烘干温度设定为120℃,收卷包装即得抗菌水刺无纺布。
实施例2
抗菌水刺无纺布的制备方法,具体步骤如下:
步骤1)按重量份数计,将聚酰胺树脂15份,聚乙酸乙烯酯5份,锌离子0.5份加入至79.5份水中,将混合物搅拌10分钟至溶质溶解,混合溶液置于室温下制得抗菌剂溶液;进一步地,可视情况,添加0.2份色浆;
步骤2)将PP塑胶纤维或含银等金属的纤维经过开松、混合、交叉铺网工序制成PET塑胶纤维网棉或含银纤维网,在拖网帘支撑下,通过水刺法,由高压水流对复合纤维网(两层PP纤维网棉之间铺设一层含金属纤维网)进行穿刺,制备得到银复合水刺无纺布;水刺法中:预湿水压为0.15bar,水刺压力为25bar,控制喷射的时间为1-2min,生产线速度为 3.5米/分;
步骤3)将银复合水刺无纺布浸泡通过抗菌剂溶液中,通过的时间≥5秒,完成后用热空气进行烘干,热空气的烘干温度设定为150℃,收卷包装即得抗菌水刺无纺布。
实施例3
抗菌水刺无纺布的制备方法,具体步骤如下:
步骤1)按重量份数计,将聚酰胺树脂10份,聚乙酸乙烯酯10份,锌离子1份加入至79份水中,将混合物搅拌10分钟至溶质溶解,混合溶液置于室温下制得抗菌剂溶液;进一步地,可视情况,添加0.2份色浆;
步骤2)将PET塑胶纤维或含金属元素(锌、铜、银、铝等)的纤维经过开松、混合、交叉铺网工序制成PET塑胶纤维网棉或含金属纤维网,在拖网帘支撑下,通过水刺法,由高压水流对复合纤维网(两层含金属纤维网之间夹铺一层塑胶纤维网棉)进行穿刺,制备得水刺无纺布;水刺法中:预湿水压为0.15bar,水刺压力为25bar,控制喷射的时间为1-2min,生产线速度为3.5米/分;
步骤3)将复合水刺无纺布浸泡通过抗菌剂溶液中,通过的时间≥5秒,完成后用热空气进行烘干,热空气的烘干温度设定为80℃,收卷包装即得抗菌水刺无纺布。
对照实施例
水刺无纺布的制备方法,具体步骤如下:
步骤1)将PET纤维经过开松、混合、交叉铺网工序制成纤维网,在拖网帘支撑下,通过水刺法,由高压水流对纤维网进行穿刺,制备得到水刺无纺布;水刺法中:预湿水压为0.15bar,水刺压力为25bar,控制喷射的时间为1-2min,生产线速度为3.5米/分;
步骤2)将水刺无纺布浸泡通过水中,通过的时间≥5秒,完成后用热空气进行烘干,热空气的烘干温度设定为120℃,收卷包装即得水刺无纺布。
效果实施例
以对比实施例的产品为对照,将实施例1、3、5所制备的产品进行如下效果比对:
1)采用GB/T461.1-2002标准测得的吸水高度。
2)采用美国AATCC100-1996标准,抑菌率计算按照下述公式:抑菌率=(空白对照活菌数-水刺无纺布活菌数)/空白对照样活菌数,其中空白为对照实施例,经计算得到本发明的无纺材料的抑菌效果,测试菌种选取金黄色葡萄球菌、大肠杆菌、白色念珠菌、青霉菌的菌种抑菌率。
3)采用JIS Z 2911-2010日本抗霉性实验方法(纺织)测试菌种黑曲霉、桔青霉的酶种抗霉率。
4)采用消毒技术规范2002年版,进行急性吸入毒性测试和皮肤刺激性测试。
上述效果实验的结论如下表:
由上述结论比对可知,实施例1的吸水高度和抑菌率均较优,相对对照实施例,本发明的抗菌水刺无纺布吸水率和抑菌率明显具有优势,防霉方面也具有优势。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (10)
- 一种抗菌水刺无纺布的抗菌剂溶液,其特征在于,按重量份数计,包括吸水剂10~15份,整理剂5-10份,抗菌防霉剂0.5-1份,其余为水;所述吸水剂为聚酰胺衍生物。
- 根据权利要求1所述的抗菌水刺无纺布的抗菌剂溶液,其特征在于,所述聚酰胺衍生物包括聚酰胺树脂。
- 根据权利要求1所述的抗菌水刺无纺布的抗菌剂溶液,其特征在于,所述整理剂为聚乙酸乙烯酯。
- 根据权利要求1所述的抗菌水刺无纺布的抗菌剂溶液,其特征在于,所述抗菌防霉剂为银离子、锌离子或二氧化钛。
- 根据权利要求1所述的抗菌水刺无纺布的抗菌剂溶液,其特征在于,所述抗菌剂溶液中还包括色浆。
- 根据权利要求1所述的抗菌水刺无纺布的抗菌剂溶液,其特征在于,按重量份数计,包括聚酰胺树脂12份,聚乙酸乙烯酯7份,锌离子0.8份,色浆0.2份,其余为水。
- 一种抗菌水刺无纺布的制备方法,其特征在于,具体步骤如下:步骤1)将纯塑胶纤维或纯塑胶纤维与含金属纤维丝运用水刺法制备得到水刺无纺布;步骤2)将吸水剂、整理剂、抗菌防霉剂溶于水中,形成抗菌剂溶液;所述吸水剂为聚酰胺衍生物;步骤3)将水刺无纺布通过抗菌剂溶液中,完成后进行烘干,即得抗菌水刺无纺布。
- 根据权利要求7所述的抗菌水刺无纺布的制备方法,其特征在于,所述抗菌剂溶液制备过程如下:按重量份数计,将吸水剂10~15份,整理剂5-10份,抗菌防霉剂0.5-1份加入至75-85份水中,将混合物搅拌10分钟至溶质溶解,混合溶液置于室温下制得。
- 根据权利要求7所述的抗菌水刺无纺布的制备方法,其特征在于,步骤3)中水刺无纺布在抗菌剂溶液中通过的时间≥5秒;所述烘干的温度为80-150℃。
- 一种抗菌水刺无纺布,运用权利要求7-9所述的方法制备得到。
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