WO2006136058A1 - A photocatalyst-coated fiber provided with protective films and method for making the same - Google Patents
A photocatalyst-coated fiber provided with protective films and method for making the same Download PDFInfo
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- WO2006136058A1 WO2006136058A1 PCT/CN2005/000908 CN2005000908W WO2006136058A1 WO 2006136058 A1 WO2006136058 A1 WO 2006136058A1 CN 2005000908 W CN2005000908 W CN 2005000908W WO 2006136058 A1 WO2006136058 A1 WO 2006136058A1
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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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
- D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
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- the invention relates to a method for producing a photocatalyst coated fiber with a protective film and a product thereof, in particular to a coating on a surface of a fiber substrate and a photocatalyst coating, respectively coated with a protective film of an alcohol base compound. Fiber manufacturing method and its products.
- the existing fiber, organic or metal photocatalyst-coated structure is disclosed in Japanese Patent Application No. 091202434, and its main constituent features are: between a substrate surface of a fiber, an organic substance or a metal, and a photocatalyst sol gel layer.
- a photocatalyst sol gel layer There is a layer of nano-scale silica sol gel layer in the coating interval, and the main disadvantage of its composition is:
- the photocatalyst-soluble gel layer gradually decomposes the surface of the substrate of fibers, organic substances and the like when performing catalysis.
- the object of the present invention is to provide a method for manufacturing a photocatalyst coated fiber with a protective film, wherein the photocatalyst can generate oxidation after absorbing the energy of the light source, and the oxidation can decompose the odor around the fiber material into carbon dioxide molecules and water molecules. , and can last for a semi-permanent.
- Another object of the present invention is to provide a photocatalyst-coated fiber that is capable of catalyzing the photocatalyst coating with a source of light of a particular wavelength.
- Another object of the present invention is to provide a photocatalyst-coated fiber capable of enhancing the hydrophilicity of a photocatalyst after irradiation with a light source, so that moisture adhering to the fiber can penetrate into the interface between the dirt and the photocatalyst, thereby greatly reducing the adhesion of the dirt. Focus on.
- a method for producing a photocatalyst coated fiber having a protective film capable of achieving the above object of the invention is a fiber
- a protective film is coated on the surface of the substrate and the photocatalyst coating.
- the protective film comprises an upper protective film and an underlying protective film.
- a solvent of an alcohol base compound is directly coated or immersed on the fiber substrate, and heated at 80 - 180 ° C to form a layer on the surface of the substrate.
- An underlying protective film that is strong and hard to fall off.
- the lower protective film prevents the fibrous substrate from being decomposed by the photocatalyst, and then the photocatalyst solution is applied to the underlying protective film to form a photocatalyst coating, and the photocatalyst is coated.
- the layer is sufficient to impart a photocatalytic effect to the fibrous substrate, and finally the solvent of the alcohol base compound is coated on the photocatalyst coating, and then heated at 80 to 180 ° C to form an upper protective film, the upper protective film can be Greatly reduce the adhesion of dirt.
- Semi-permanent oxidation can continuously decompose the odor of the fiber material into carbon dioxide molecules and water molecules.
- Figure 1 is an enlarged perspective view showing the end face of a photocatalyst-coated fiber produced by the method of the present invention
- Figure 2 is a partial schematic view of a fiber surface and a photocatalyst protective film produced by the method of the present invention
- Figure 3 is a schematic view showing that a ruthenium wire is irradiated on the surface of the fiber to generate a redox reaction
- FIG. 4 is a schematic view of a fiber-coated protective film and a photocatalyst coating produced by the method of the present invention
- FIG. 5 is a schematic flow chart of the method of the present invention.
- the photocatalyst 3 is mainly prepared by adding bismuth particles 32 to a 5-30 nm titanium dioxide (Ti02) material 31.
- the photocatalyst 3 is coated on the surface of the substrate of the rayon, the natural fiber and the synthetic fiber, and the copper particles 32 supported on the surface of the nano-titanium dioxide material 31 can enhance the photocatalytic catalytic ability of the nano-titanium dioxide material 31, can guide the electrons 6, and greatly reduce the titanium dioxide.
- the recombination of the electrons 6 and the holes 7 greatly enhances the absorption efficiency of ultraviolet rays or strong light or light source energy 5 in sunlight.
- the titanium dioxide material 31 utilizes the oxidizing power of the generated holes 7 and the reducing power of the electrons 6 to act on the carbon dioxide molecules and water molecules in contact with the surface, thereby generating radicals having extremely strong oxidizing power, and It performs the functions of sterilization, deodorization, and decomposition of organic matter. Furthermore, since the nano-titanium dioxide material 31 photocatalyst has the characteristics of colorless, odorless and non-toxic, and the photocatalyst itself does not participate in the reaction and is never lost, the photocatalytic physical reaction is particularly effective and can be strongly decomposed. Various harmful substances and organic matter in the air.
- the fiber produced by the synthetic method or the fiber obtained by the natural polymer or chemically processed and machined the fiber substrate 1 itself is an organic substance, so the nano titanium dioxide material 31 is immersed in the fiber substrate. After the surface of 1 is used, the fibrous base material 1 of the recycled material or synthetic material is also decomposed.
- the present invention applies a layer of mobility to the fiber substrate 1 before the photocatalyst 3 containing the titanium oxide material 31 is applied to the fiber substrate 1.
- a protective film of a fluid alcohol base compound which is heated at 80 to 180 ° C to make it strong and not easy to fall off, and at the same time, a reaction product mainly composed of silicon dioxide (SiO 2 ) is generated, and at least a part of the reaction is generated.
- the precipitate is accumulated on the surface of the fibrous base material 1 to form an underlying protective film 2 which can completely insulate the contact of the fibrous base material 1 with the photocatalyst 3 and prevent the fibrous base material 1 from being decomposed and oxidized by the photocatalyst 3.
- the fluid photocatalyst 3 solution is completely applied to the lower protective film 2, and at least a part of the photocatalyst 3 solution is precipitated, accumulated, dried and fixed on the surface of the lower protective film 2, and a layer is formed on the lower protective film 2.
- the photocatalyst 3 is coated, and the photocatalyst 3 coating is sufficient to impart a photocatalytic effect to the fibrous substrate 1, and finally a solvent of the alcoholic base compound of the mobile fluid is applied again to the surface of the photocatalyst 3 coating.
- the upper protective film 4 is formed, and the upper protective film 4 achieves a function of greatly reducing the adhesion of dirt.
- FIG. 3 is a schematic flowchart of the method of the present invention, and the steps are as follows:
- FIG. 3 is a schematic diagram of a redox reaction when light is irradiated on the surface of the fiber.
- the surface of the fiber is irradiated by sunlight or ultraviolet rays
- the surface of the fiber is absorbed to generate electrons 6 and holes 7 , and the moisture and oxygen in the reducing air become active.
- Oxygen 02- and hydroxyl radical OH such a continuous redox reaction, continuously absorb sunlight, ultraviolet light or light source energy 5, reducing moisture and oxygen in the air.
- the present invention has the following features and effects over the prior art:
- the odor of the fiber material 1 can be continuously decomposed into carbon dioxide molecules and water molecules by oxidation in a semi-permanent manner.
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Abstract
A photocatalyst-coated fiber provided with protective films comprises a fiber substrate, an underlying protective film, a photocatalyst coating and a top protective film. A process for producing the fiber comprises applying directly a solution of an alcohol-based compound on the fiber substrate to form an underlying protective film. Then, coating a photocatalyst solution on the formed underlying protective film to form a photocatalyst coating such that the fiber substrate can be prevented from being degraded by the coated photocatalyst. Finally, applying a top protective film on the formed photocatalyst coating. Thus, the adhesion of fouls can be decreased greatly.
Description
具保护膜的光触媒涂层纤维的制造方法及其产品 Method for manufacturing photocatalyst coated fiber with protective film and product thereof
【技术领域】 [Technical Field]
本发明涉及一种具保护膜的光触媒涂层纤维的制造方法及其产品， 特别 是指一种纤维基材表面及光催化剂涂层上， 分别涂布有一层醇类基底化合物 保护膜的涂层纤维的制造方法及其产品。 The invention relates to a method for producing a photocatalyst coated fiber with a protective film and a product thereof, in particular to a coating on a surface of a fiber substrate and a photocatalyst coating, respectively coated with a protective film of an alcohol base compound. Fiber manufacturing method and its products.
【背景技术】 【Background technique】
现有的纤维、 有机物或金属光触媒披覆的构造如台湾第 091202434号申 请专利案所揭示， 其主要构成特征为： 于纤维、 有机物或金属等物质的基材 表面与光触媒溶凝胶层之间， 披覆间隔有一层纳米级二氧化硅溶凝胶层， 而 其构成上的主要缺点为： 该光触媒溶凝胶层在进行催化作用时会逐渐分解纤 维、 有机物等物质的基材表面。 The existing fiber, organic or metal photocatalyst-coated structure is disclosed in Japanese Patent Application No. 091202434, and its main constituent features are: between a substrate surface of a fiber, an organic substance or a metal, and a photocatalyst sol gel layer. There is a layer of nano-scale silica sol gel layer in the coating interval, and the main disadvantage of its composition is: The photocatalyst-soluble gel layer gradually decomposes the surface of the substrate of fibers, organic substances and the like when performing catalysis.
关于具紫外线遮蔽效果的纤维及其织物的现有技术， 请另参考台湾第 091110433号申请专利案， 其揭示了一种具紫外线遮蔽效果的聚酯纤维， 其 特征在于聚酯纤维中添加有 0.5~1.0重量％且平均粒径为 1~100纳米 (nm)的具 紫外线反射效果的无机二氧化钛微粒子 , 其中所添加的无机二氧化钛微粒子 以三聚磷酸钾为分散剂。上述技术存在的问题仍然是光触媒在进行催化作用 时会逐渐分解纤维、 有机物等物质的基材表面。 Regarding the prior art of the fiber having the ultraviolet shielding effect and the fabric thereof, please refer to the patent application No. 091110433, which discloses a polyester fiber having an ultraviolet shielding effect, characterized in that 0.5% of the polyester fiber is added. ~1.0% by weight and an inorganic particle diameter of 1 to 100 nanometers (nm) of inorganic titanium dioxide fine particles having an ultraviolet reflection effect, wherein the inorganic titanium oxide fine particles added are potassium tripolyphosphate as a dispersing agent. The problem with the above techniques is still that the photocatalyst gradually decomposes the surface of the substrate of fibers, organic substances and the like when catalyzing.
鉴于上述缺点， 相关的现有技术未能达到最佳功效， 因而有待进一步的 改进。 In view of the above disadvantages, the related prior art has not achieved the best efficacy and thus needs further improvement.
【发明内容】 [Summary of the Invention]
本发明的目的在于提供一种具保护膜的光触媒涂层纤维的制造方法， 其 光触媒于吸收光源能量后能产生氧化作用， 这种氧化作用可将纤维材质周边 的异味分解成二氧化碳分子及水分子， 并可半永久性的持续。 The object of the present invention is to provide a method for manufacturing a photocatalyst coated fiber with a protective film, wherein the photocatalyst can generate oxidation after absorbing the energy of the light source, and the oxidation can decompose the odor around the fiber material into carbon dioxide molecules and water molecules. , and can last for a semi-permanent.
本发明的另一目的在于提供一种能利用特定波长的光源能量使光催化 剂涂层产生催化作用的光触媒涂层纤维。 Another object of the present invention is to provide a photocatalyst-coated fiber that is capable of catalyzing the photocatalyst coating with a source of light of a particular wavelength.
本发明的又一目的在于提供一种于光源能量照射后能增强光触媒的亲 水性的光触媒涂层纤维， 使附着于纤維上的水份能渗入污垢与光触媒的界 面， 以大幅降低污垢的附着力。 Another object of the present invention is to provide a photocatalyst-coated fiber capable of enhancing the hydrophilicity of a photocatalyst after irradiation with a light source, so that moisture adhering to the fiber can penetrate into the interface between the dirt and the photocatalyst, thereby greatly reducing the adhesion of the dirt. Focus on.
可达成上述发明目的的具保护膜的光触媒涂层纤维的制造方法，是于纤
维的基材表面与光催化剂涂层上， 分别涂布一层保护膜。 该保护膜包括上层 保护膜及下层保护膜， 首先将一种醇类基底化合物的溶剂直接涂布或涂浸于 纤维基材上， 并经 80 - 180°C加热以于基材表面形成一层坚固不易脱落的下 层保护膜， 该下层保护膜能防止纤维基材被光催化剂分解， 之后再将光催化 剂溶液涂敷至下层保护膜上， 以形成一层光催化剂涂层， 且其光催化剂涂层 足以赋予纤维基材具光催化作用， 最后再将醇类基底化合物的溶剂涂布于光 催化剂涂层上， 并再经 80 ~ 180°C加热形成一层上层保护膜， 该上层保护膜 可大幅降低污垢的附着力。 A method for producing a photocatalyst coated fiber having a protective film capable of achieving the above object of the invention is a fiber A protective film is coated on the surface of the substrate and the photocatalyst coating. The protective film comprises an upper protective film and an underlying protective film. First, a solvent of an alcohol base compound is directly coated or immersed on the fiber substrate, and heated at 80 - 180 ° C to form a layer on the surface of the substrate. An underlying protective film that is strong and hard to fall off. The lower protective film prevents the fibrous substrate from being decomposed by the photocatalyst, and then the photocatalyst solution is applied to the underlying protective film to form a photocatalyst coating, and the photocatalyst is coated. The layer is sufficient to impart a photocatalytic effect to the fibrous substrate, and finally the solvent of the alcohol base compound is coated on the photocatalyst coating, and then heated at 80 to 180 ° C to form an upper protective film, the upper protective film can be Greatly reduce the adhesion of dirt.
本发明的具保护膜的光触媒涂层纤维具有以下优点： The photocatalyst coated fiber with protective film of the present invention has the following advantages:
1.可半永久性的以氧化作用可将纤维材质外围的异味持续分解成二氧化 碳分子及水分子。 1. Semi-permanent oxidation can continuously decompose the odor of the fiber material into carbon dioxide molecules and water molecules.
2.可大幅降低纤维材质上污垢的附着力。 2. It can greatly reduce the adhesion of dirt on the fiber material.
3.可防止纤维材质被光催化剂 3氧化。 3. It is possible to prevent the fiber material from being oxidized by the photocatalyst 3.
【附图说明】 [Description of the Drawings]
图 1为按照本发明方法所制造的光触媒涂层纤维的端面放大示意图； 图 2为按照本发明方法所制造的纤维表面与其光触媒保护膜的局部示意 图； BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is an enlarged perspective view showing the end face of a photocatalyst-coated fiber produced by the method of the present invention; Figure 2 is a partial schematic view of a fiber surface and a photocatalyst protective film produced by the method of the present invention;
图 3为尧线照射于纤维表面产生氧化还原反应的示意图； Figure 3 is a schematic view showing that a ruthenium wire is irradiated on the surface of the fiber to generate a redox reaction;
图 4为按照本发明方法制造的纤维涂布保护膜与光触媒涂层的示意图； 图 5为本发明方法的流程示意图。 4 is a schematic view of a fiber-coated protective film and a photocatalyst coating produced by the method of the present invention; and FIG. 5 is a schematic flow chart of the method of the present invention.
【具体实施方式】 【detailed description】
请参阅图 1与图 2, 本发明所提供的具保护膜的光触媒涂层纤维的制造 方法， 其光催化剂 3主要以 5 ~ 30纳米二氧化钛 (Ti02)材料 31添加锢颗粒 32制成。 光催化剂 3涂布于人造纤维、 天然纤维及合成纤维的基材表面， 此 负载在纳米二氧化钛材料 31表面的铜颗粒 32可增进納米二氧化钛材料 31 的光触媒催化能力， 可以引导电子 6， 大幅降低二氧化钛电子 6及电洞 7的 再结合， 大大提升对阳光中紫外线或强光或光源能量 5的吸收效率。 Referring to FIG. 1 and FIG. 2, a photocatalyst-coated fiber with a protective film is provided. The photocatalyst 3 is mainly prepared by adding bismuth particles 32 to a 5-30 nm titanium dioxide (Ti02) material 31. The photocatalyst 3 is coated on the surface of the substrate of the rayon, the natural fiber and the synthetic fiber, and the copper particles 32 supported on the surface of the nano-titanium dioxide material 31 can enhance the photocatalytic catalytic ability of the nano-titanium dioxide material 31, can guide the electrons 6, and greatly reduce the titanium dioxide. The recombination of the electrons 6 and the holes 7 greatly enhances the absorption efficiency of ultraviolet rays or strong light or light source energy 5 in sunlight.
二氧化钛材料 31 系利用所产生的电洞 7的氧化力及电子 6的还原力和 表面接触的二氧化碳分子及水分子发生作用， 产生氧化力极强的自由基， 而
进行杀菌、 除臭、 分解有机物等作用。 再者， 由于纳米二氧化钛材料 31 光 触媒具备无色、 无味及无毒的特性， 且此种光触媒本身并不参与反应， 永不 损耗， 因此在光催化的物理反应中， 效能特别突出， 可强力分解空气中各种 有害物质与有机物。 The titanium dioxide material 31 utilizes the oxidizing power of the generated holes 7 and the reducing power of the electrons 6 to act on the carbon dioxide molecules and water molecules in contact with the surface, thereby generating radicals having extremely strong oxidizing power, and It performs the functions of sterilization, deodorization, and decomposition of organic matter. Furthermore, since the nano-titanium dioxide material 31 photocatalyst has the characteristics of colorless, odorless and non-toxic, and the photocatalyst itself does not participate in the reaction and is never lost, the photocatalytic physical reaction is particularly effective and can be strongly decomposed. Various harmful substances and organic matter in the air.
然而， 用合成方法制成的纤维或以天然聚合物为原料， 或经化学处理和 机械加工而制得的纤维， 其纤维基材 1本身为有机物， 故纳米二氧化钛材料 31涂浸于纤维基材 1表面后，该再生材质或合成材质的纤维基材 1也将被其 分解。 为避免纤维基材 1在光催化的物理反应中被氧化分解， 本发明在含二 氧化钛材料 31的光催化剂 3涂布于纤维基材 1前， 先行于纤维基材 1上涂 布一层移动性流体的醇类基底 (base)化合物的保护膜，并经 80 ~ 180°C加热以 使其坚固不易脱落， 同时产生以二氧化硅 (Si02)为主的反应生成物， 并使至 少一部分反应生成物沉淀聚积于纤维基材 1表面上以形成下层保护膜 2， 该 下层保护膜 2能完全隔绝纤维基材 1与光催化剂 3之接触， 并防止纤维基材 1被光催化剂 3分解氧化。 However, the fiber produced by the synthetic method or the fiber obtained by the natural polymer or chemically processed and machined, the fiber substrate 1 itself is an organic substance, so the nano titanium dioxide material 31 is immersed in the fiber substrate. After the surface of 1 is used, the fibrous base material 1 of the recycled material or synthetic material is also decomposed. In order to prevent the fiber substrate 1 from being oxidatively decomposed in a photocatalytic physical reaction, the present invention applies a layer of mobility to the fiber substrate 1 before the photocatalyst 3 containing the titanium oxide material 31 is applied to the fiber substrate 1. a protective film of a fluid alcohol base compound, which is heated at 80 to 180 ° C to make it strong and not easy to fall off, and at the same time, a reaction product mainly composed of silicon dioxide (SiO 2 ) is generated, and at least a part of the reaction is generated. The precipitate is accumulated on the surface of the fibrous base material 1 to form an underlying protective film 2 which can completely insulate the contact of the fibrous base material 1 with the photocatalyst 3 and prevent the fibrous base material 1 from being decomposed and oxidized by the photocatalyst 3.
然后将流体光催化剂 3溶液， 完整涂敷至下层保护膜 2上， 使至少一部 分光催化剂 3溶液沉淀聚积、 干燥及固结于下层保护膜 2的表面上， 于下层 保护膜 2上形成一层光催化剂 3涂层，且其光催化剂 3涂层足以赋予纤维基 材 1具光催化作用， 最后再将一种移动性流体的醇类基底化合物的溶剂再次 涂布于光催化剂 3涂层的表面上， 并再经 80 ~ 180°C加热使光催化剂 3涂层 表面反应形成一层以二氧化硅为主的反应生成物， 并使至少一部分反应生成 物沉淀聚积于光催化剂 3涂层表面上以形成一层上层保护膜 4, 而该上层保 护膜 4实现大幅降低污垢附着力的功能。 Then, the fluid photocatalyst 3 solution is completely applied to the lower protective film 2, and at least a part of the photocatalyst 3 solution is precipitated, accumulated, dried and fixed on the surface of the lower protective film 2, and a layer is formed on the lower protective film 2. The photocatalyst 3 is coated, and the photocatalyst 3 coating is sufficient to impart a photocatalytic effect to the fibrous substrate 1, and finally a solvent of the alcoholic base compound of the mobile fluid is applied again to the surface of the photocatalyst 3 coating. Above, and then heated at 80 to 180 ° C to react the surface of the photocatalyst 3 coating to form a silica-based reaction product, and at least a part of the reaction product precipitates on the surface of the photocatalyst 3 coating. The upper protective film 4 is formed, and the upper protective film 4 achieves a function of greatly reducing the adhesion of dirt.
请参阅图 3 , 其为本发明方法的流程示意图， 其步骤如下： Please refer to FIG. 3 , which is a schematic flowchart of the method of the present invention, and the steps are as follows:
( A )将至少一种移动性流体醇类基底化合物的溶剂， 完整涂布于纤维 基材 1的表面； (A) completely coating a solvent of at least one mobile fluid alcohol base compound on the surface of the fibrous substrate 1;
( B )经 80 ~ 18CTC温度加热纤维基材 1 ,使纤维基材 1表面反应形成一
层以二氧化硅 (SiO2)为主的反应生成物； (B) heating the fibrous substrate 1 at a temperature of 80 to 18 CTC to react the surface of the fibrous substrate 1 to form a a reaction product mainly composed of silicon dioxide (SiO2);
(C) 沉淀聚积至少一部分反应生成物于纤维基材 1表面上， 以于纤维 基材 1上形成下层保护膜 2; (C) precipitating and accumulating at least a part of the reaction product on the surface of the fibrous substrate 1 to form an underlying protective film 2 on the fibrous substrate 1;
( D )将至少一种流体光催化剂 3溶液， 完整涂布于下层保护膜 2的表 面； (D) completely coating at least one fluid photocatalyst 3 solution on the surface of the lower protective film 2;
(E) 沉淀聚积至少一部分光催化剂 3溶液， 进行干燥， 使其固结于下 层保护膜 2的表面， 以于下层保护膜 2上形成光催化剂 3涂层； (E) precipitating and accumulating at least a portion of the photocatalyst 3 solution, drying it, and fixing it to the surface of the underlying protective film 2 to form a photocatalyst 3 coating on the underlying protective film 2;
(F)将至少一种移动性流体醇类基底化合物的溶剂， 完整涂布于光催 化剂 3涂层的表面； (F) completely coating a solvent of at least one mobile fluid alcohol base compound on the surface of the photocatalyst 3 coating;
(G) 经 80~ 180°C温度加热， 使光催化剂 3涂层表面反应形成一层以 二氧化硅为主的反应生成物； (G) heating at a temperature of 80 to 180 ° C to react a surface of the photocatalyst 3 coating to form a silica-based reaction product;
(H)沉淀聚积至少一部分反应生成物于光催化剂 3涂层的表面上， 以 于光催化剂 3涂层上形成上层保护膜 4。 (H) Precipitating and accumulating at least a part of the reaction product on the surface of the photocatalyst 3 coating layer to form an upper protective film 4 on the photocatalyst 3 coating layer.
请参阅图 3, 其为光线照射于纤维表面产生氧化还原反应的示意图， 当 阳光或紫外线照射纤维表面时， 被纤维表面吸收产生电子 6及电洞 7, 而还 原空气中的水分、 氧气成为活性氧 02-及氢氧自由基 OH, 如此不断的氧化 还原反应， 不断的吸收阳光、 紫外线或光源能量 5, 还原空气中水分、 氧气。 Please refer to FIG. 3 , which is a schematic diagram of a redox reaction when light is irradiated on the surface of the fiber. When the surface of the fiber is irradiated by sunlight or ultraviolet rays, the surface of the fiber is absorbed to generate electrons 6 and holes 7 , and the moisture and oxygen in the reducing air become active. Oxygen 02- and hydroxyl radical OH, such a continuous redox reaction, continuously absorb sunlight, ultraviolet light or light source energy 5, reducing moisture and oxygen in the air.
综上所述， 本发明较现有的技术具有如下之特点及功效： In summary, the present invention has the following features and effects over the prior art:
1.可半永久性地以氧化作用将纤维材质 1周边的异味持续分解成二氧化 碳分子及水分子。 1. The odor of the fiber material 1 can be continuously decomposed into carbon dioxide molecules and water molecules by oxidation in a semi-permanent manner.
2.可大幅降低纤维材质 1上污垢的附着力。 2. It can greatly reduce the adhesion of the dirt on the fiber material.
3.可防止纤维材质 1被光催化剂 3氧化。
3. It can prevent the fiber material 1 from being oxidized by the photocatalyst 3.
Claims
1. 一种具保护膜的光触媒涂层纤维的制造方法， 包括下列步驟： A method of producing a photocatalyst coated fiber having a protective film, comprising the steps of:
(A)将至少一种移动性流体醇类基底化合物的溶剂， 完整涂布于纤维 基材表面； (A) completely coating a solvent of at least one mobile fluid alcohol base compound on the surface of the fibrous substrate;
(B) 经过加热纤维基材， 使纤维基材表面反应形成一层以二氧化硅为 主的反应生成物； (B) heating the fibrous substrate to react the surface of the fibrous substrate to form a silica-based reaction product;
(C)沉淀聚积至少一部分反应生成物于纤维基材表面上， 以于其纤维 基材上形成下层保护膜； (C) precipitating and accumulating at least a part of the reaction product on the surface of the fibrous substrate to form an underlying protective film on the fibrous substrate;
(D)将至少一种流体光催化剂溶液， 完整涂布于下层保护膜的表面； (E) 沉淀聚积至少一部分光催化剂溶液， 进行干燥， 使其固结于下层 保护膜表面上， 以于其下层保护膜上形成光催化剂涂层； (D) completely coating at least one fluid photocatalyst solution on the surface of the underlying protective film; (E) precipitating and accumulating at least a portion of the photocatalyst solution, drying it, and consolidating it on the surface of the underlying protective film to Forming a photocatalyst coating on the lower protective film;
(F)将至少一种移动性流体醇.类基底化合物的溶剂， 完整涂布于光催 化剂涂层的表面； (F) completely coating a solvent of at least one mobile fluid alcohol-based base compound on the surface of the photocatalyst coating;
(G)经加热使光催化剂涂层表面反应形成一层以二氧化硅为主的反应 生成物; 以及 (G) heating to surface the photocatalyst coating to form a silica-based reaction product;
(H)沉淀聚积至少一部分反应生成物于光催化剂涂层表面上， 以于其 光催化剂涂层上形成上层保护膜。 (H) Precipitating and accumulating at least a part of the reaction product on the surface of the photocatalyst coating layer to form an upper protective film on the photocatalyst coating layer.
2.如权利要求 1所述的具保护膜的光触媒涂层纤维的制造方法，其特征 在于： 该醇类基底化合物涂布后， 经 80~ 18(TC温度加热， 以形成一层反应 生成物。 The method for producing a photocatalyst-coated fiber with a protective film according to claim 1, wherein the alcohol-based base compound is coated and heated at 80 to 18 (TC temperature to form a reaction product). .
3. 如权利要求 1 所述的具保护膜的光触媒涂层纤维的制造方法， 其特 征在于： 该光催化剂是由 5 ~ 30纳米二氧化钛材料与铜颗粒所形成。 The method for producing a photocatalyst-coated fiber with a protective film according to claim 1, wherein the photocatalyst is formed of a 5-30 nm titanium dioxide material and copper particles.
4. 一种具保护膜的光触媒涂层纤维， 其包括一层纤维基材， 一层光催 化剂涂层及一层分布于纤维基材及光催化剂涂层之间的下层保护膜， 其特征 在于： 该具保护膜的光触媒涂层纤维还包括一层涂布于光催化剂涂层表面的 上层保护膜。
4. A photocatalyst coated fiber having a protective film comprising a fibrous substrate, a photocatalyst coating layer and a lower protective film distributed between the fibrous substrate and the photocatalyst coating, wherein The photocatalyst coated fiber with a protective film further includes an upper protective film coated on the surface of the photocatalyst coating.
5. 如权利要求 4 所述的具保护膜的光触媒涂层纤维， 其特征在于： 上 述下层保护膜及上层保护膜均由一种醇类基底化合物的溶剂直接涂布或涂 浸于纤维基材上， 并经 80 ~ 180°C加热形成。 The photocatalyst-coated fiber with a protective film according to claim 4, wherein the lower protective film and the upper protective film are directly coated or coated with a solvent of an alcohol base compound on the fiber substrate. It is formed by heating at 80 ~ 180 °C.
6. 如权利要求 5 所述的具保护膜的光触媒涂层纤维， 其特征在于： 上 述下层倮护膜及上层保护膜主要以二氧化硅组成。 The photocatalyst-coated fiber with a protective film according to claim 5, wherein the underlying protective film and the upper protective film are mainly composed of silicon dioxide.
7. 如权利要求 4或 5或 6所述的具保护膜的光触媒涂层纤维， 其特征 在于： 上述光催化剂涂层主要以 5 - 30纳米二氧化钛 (Ti02)材料添加铜颗粒 制成。
The photocatalyst-coated fiber with a protective film according to claim 4 or 5 or 6, wherein the photocatalyst coating layer is mainly made of copper particles added by a 5 - 30 nm titanium oxide (Ti02) material.
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| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2005/000908 WO2006136058A1 (en) | 2005-06-23 | 2005-06-23 | A photocatalyst-coated fiber provided with protective films and method for making the same |
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| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2005/000908 WO2006136058A1 (en) | 2005-06-23 | 2005-06-23 | A photocatalyst-coated fiber provided with protective films and method for making the same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108003809A (en) * | 2018-01-31 | 2018-05-08 | 四川省维奇光电科技有限公司 | Display screen composite multi-functional protective film |
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