WO2012003714A1 - Nano synthetic leather and nano pu imitation leather - Google Patents

Nano synthetic leather and nano pu imitation leather Download PDF

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Publication number
WO2012003714A1
WO2012003714A1 PCT/CN2011/001123 CN2011001123W WO2012003714A1 WO 2012003714 A1 WO2012003714 A1 WO 2012003714A1 CN 2011001123 W CN2011001123 W CN 2011001123W WO 2012003714 A1 WO2012003714 A1 WO 2012003714A1
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Prior art keywords
nano
leather
synthetic leather
powder
imitation
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PCT/CN2011/001123
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French (fr)
Chinese (zh)
Inventor
张若飞
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上海可艾可时装有限公司
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Priority claimed from CN 201010223127 external-priority patent/CN101956319A/en
Priority claimed from CN 201010223139 external-priority patent/CN101955647A/en
Application filed by 上海可艾可时装有限公司 filed Critical 上海可艾可时装有限公司
Publication of WO2012003714A1 publication Critical patent/WO2012003714A1/en

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C08K2003/0806—Silver
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives

Definitions

  • the present invention relates to new materials for use in the field of clothing and home furnishings, and more particularly to a nano synthetic leather and a nano PU imitation leather. Background technique
  • Synthetic leather which is a combination of PU pulp and dermal fiber, is widely used. Synthetic leather is used in many fields such as clothing, home decoration, etc.
  • the coating is soft and elastic, and the coating strength is good, and it can be used for a very thin coating.
  • the coating has moisture permeability and aeration properties, and is also more resistant to dry cleaning. Under the same hardness, it has higher bearing capacity than other elastomers, high impact resistance, wide rebound range, suitable for high frequency flexing applications, and good low temperature flexibility.
  • Synthetic leather is resistant to ozone and is resistant to radiation and can be made into a flame retardant material.
  • Synthetic leather can be bonded to wood, metal and most plastics to make noise-reducing materials, but existing synthetic leathers also have defects such as low abrasion resistance, no antibacterial function, and anti-aging properties of pigments. Low, leading to the brightness, hue and saturation of synthetic leather can not meet customer requirements.
  • PU imitation leather which is artificial leather produced from PU resin, is widely used. Ordinary PU imitation leather is used in many fields such as clothing, home decoration, etc.
  • the coating is soft and elastic, and the coating strength is good, and it can be used for a very thin coating.
  • the coating is porous, has moisture permeability and aeration properties, and is relatively resistant to dry cleaning. Under the same hardness, it has higher bearing capacity than other elastomers, high impact resistance, wide rebound range, suitable for high frequency flexing applications, and good low temperature flexibility.
  • PU imitation leather has the property of being free from ozone attack, resistant to radiation, and can be made into a flame retardant material.
  • PU imitation leather can be used with wood, metal and most Plastic bonding, can be made into noise-reducing materials, but the existing PU imitation leather also has defects, such as low abrasion resistance, no anti-bacterial function, low anti-aging properties of pigment (dyeing), resulting in the brightness of PU imitation leather, Indicators such as hue and saturation do not meet customer requirements.
  • Nano-silver materials use nanotechnology in the frontier nanotechnology to produce a qualitative leap in the bactericidal ability of silver in the nano-state. Very few nano-silver can produce powerful bactericidal action, which can kill in a few minutes.
  • Nano-silica is one of the most important high-tech ultra-fine inorganic new materials. It has small particle size, large specific surface area, strong surface adsorption, large surface energy, high chemical purity, good dispersion, thermal resistance and electrical resistance. Other aspects have specific performance. Since it exhibits a specific function in terms of magnetic properties, catalytic properties, light absorption, thermal resistance, and melting point as compared with conventional materials, it has received great attention. It is widely used in rubber, plastics, electronics, paints, ceramics, plaster, batteries, pigments, adhesives, cosmetics, fiberglass, chemical fiber, plexiglass, environmental protection and many other fields.
  • the object of the present invention is to provide a nano-synthetic leather which has the advantages of antibacterial and environmental protection, wear resistance much higher than ordinary synthetic leather materials, long service life, good gloss, easy to fade, and convenient cleaning.
  • the invention also provides a nano PU imitation leather, which has antibacterial and environmental protection, and the wear resistance is much higher than ordinary imitation Leather material, long service life, good gloss, easy to fade, easy to clean and so on.
  • the object of the present invention is achieved by the following technical solution - a nano synthetic leather, the composition and composition of which are as follows: synthetic leather raw materials 80% - 99%, nano powder 1% - 20%, the nano powder is nano silver And a mixture of nano silica.
  • the weight ratio of the nano silver to the nano silica is: 1:5.
  • the nanometer silver has a particle size range of: thickness: 50-100 nm length: 1 to 5 micrometers, and nanometer silica has a particle size range of 0.5-10 micrometers.
  • the synthetic leather raw material is added with a certain proportion of the nano-powder, and after the post-treatment process, the nano-powder is uniformly mixed in the raw material of the synthetic leather, that is, the nano-synthetic leather is obtained.
  • a nano PU imitation leather, the composition and composition thereof are as follows: PU imitation leather raw material paddle 80% - 99%, nano powder 1% - 20%, the nano powder is a mixture of nano silver and nano silica.
  • the weight ratio of the nano silver to the nano silica is 1:5.
  • the nano-silver has a thickness of 50 to 100 nm and a length of 1 to 5 ⁇ m, and the nano-silica has a particle size ranging from 0.5 to 10 ⁇ m.
  • the PU-like leather raw material slurry is added with a certain proportion of the nano-powder, and after the post-treatment process, the nano-powder is uniformly mixed in the raw material of the PU-like leather, that is, the nano-PU-like leather is obtained.
  • nano-silica has the following effects when it is used for pigmentation (dyeing): Although organic pigments have bright colors and strong tinting strength, they are generally resistant to light, heat, solvent and resistance. Migration performance is often inferior to inorganic pigments.
  • the surface modification of the organic pigment (dye) by adding nano-SiO2 not only greatly improved the anti-aging properties of the pigment (dye), but also improved the brightness, hue and saturation.
  • Nano-silver particles can directly enter the cell body and combine with oxygen metabolism (-SH), so that the bacteria can suffocate and kill the unique mechanism of action, killing most bacteria, fungi, mold, spores and other microorganisms in contact with it.
  • the invention adds the nano material to the synthetic leather, greatly improves the wear resistance of the synthetic leather itself, does not damage the physical properties of the surface of the nano synthetic leather, and is environmentally friendly and antibacterial, which greatly prolongs the service life of the product, and has good gloss and is not easy to fade. Easy to clean.
  • the invention adds the nano material into the PU imitation leather, greatly improves the wear resistance of the PU itself without destroying the physical properties of the surface of the nano PU imitation leather, and is environmentally friendly and antibacterial, which greatly prolongs the service life of the product, and the gloss is not easy. Fading, easy to clean.
  • the nano-powder is nano-silver and nano-silica, and the weight ratio of the two is 5.
  • the nano-powder is uniformly mixed in the synthetic leather.
  • the nanosynthetic leather of the present invention is obtained.
  • the nano-powder is nano-silver and nano-silica, and the weight ratio of the two is 1:5.
  • the nano-powder is uniformly mixed in the synthesis.
  • the nano-synthetic leather of the present invention is obtained.
  • nano-powder 10 kg of nano-powder is added to 90 kg of synthetic leather raw material.
  • the nano-powder is nano-silver and nano-silica, and the weight ratio of the two is 1:5. After the post-treatment process, the nano-powder is uniformly mixed in the synthesis. Among the raw materials of leather, the nano-synthetic leather of the present invention is obtained.
  • Example 4
  • the nano-powder is nano-silver and nano-silica, and the weight ratio of the two is 1:5. After the post-treatment process, the nano-powder is evenly distributed.
  • the nano PU imitation leather of the present invention is obtained by mixing in a raw material of PU imitation leather.
  • nano-powder 1 kg is added to the 99 kg PU imitation leather raw material slurry, the nano-powder is nano-silver and nano-silica, and the weight ratio of the two is 1:5. After the post-treatment process, the nano-powder is uniformly
  • the nano PU imitation leather of the present invention is obtained by mixing in a raw material of PU imitation leather.
  • nano-powder 10 kg is added to the 90 kg PU imitation leather raw material slurry.
  • the nano-powder is nano-silver and nano-silica, and the weight ratio of the two is 5. After the post-treatment process, the nano-powder is evenly mixed.
  • the nano PU imitation leather of the present invention is obtained.

Abstract

A nano synthetic leather is disclosed, its components and the proportions thereof being as follow: 80-99% of synthetic leather raw materials, and 1-20% of a nano powder, the nano powder being a mixture of nano silver and nano silica. In the present invention, through the addition of nano materials into the synthetic leather, not only are the advantages of the original physical properties of a common synthetic leather kept, but the abrasion resistance, the environmental-protection and antibacterial properties of the synthetic leather are also greatly improved, thereby significantly prolonging the service life of the product. In addition, the nano synthetic leather has a good degree of glossiness, does not easily fade and cleans easily. A nano PU imitation leather is further disclosed, its components and the proportions thereof being as follow: 80-99% of a PU imitation leather raw material slurry, and 1-20% of a nano powder, the nano powder being a mixture of nano silver and nano silica. In the present invention, through the addition of nano materials into the PU imitation leather, not only are the advantages of the original physical properties of a common PU imitation leather kept, but also the abrasion resistance, the environmental-protection and antibacterial properties of the PU imitation leather is greatly improved, thereby significantly prolonging the service life of the product. Moreover, the nano PU imitation leather has a good degree of glossiness, does not easily fade and cleans easily.

Description

纳米合成皮革及纳米 PU仿皮革 技术领域  Nano synthetic leather and nano PU imitation leather
本发明涉及用于服装、 家饰领域的新材料， 尤其涉及一种纳米合成皮革和 一种纳米 PU仿皮革。 背景技术  The present invention relates to new materials for use in the field of clothing and home furnishings, and more particularly to a nano synthetic leather and a nano PU imitation leather. Background technique
合成皮革， 即是将 PU浆料与真皮纤维混合制作在一起， 应用广泛。 合 成皮革应用于服装， 家饰等诸多领域， 其涂层柔软且有弹性， 涂层强度好， 可用于很薄的涂层。 其涂层具有透湿和通气性能， 除此之外还比较耐干洗。 在相同硬度下， 比其它的弹性体承载能力高， 抗冲击性高， 回弹范围广， 适 于高频挠曲应用， 低温柔顺性好。 合成皮革具有不受臭氧侵蚀的性能， 耐辐 射， 可做成阻燃性材料。 合成皮革可与木材、 金属以及大部分塑料粘接， 可 制成降噪音材料， 但现有的合成皮革也存在着缺陷， 比如耐磨度低， 无抗菌 功能， 颜 （染）料抗老化性能低， 导致合成皮革的亮度、 色调和饱和度等指 标达不到客户要求。  Synthetic leather, which is a combination of PU pulp and dermal fiber, is widely used. Synthetic leather is used in many fields such as clothing, home decoration, etc. The coating is soft and elastic, and the coating strength is good, and it can be used for a very thin coating. The coating has moisture permeability and aeration properties, and is also more resistant to dry cleaning. Under the same hardness, it has higher bearing capacity than other elastomers, high impact resistance, wide rebound range, suitable for high frequency flexing applications, and good low temperature flexibility. Synthetic leather is resistant to ozone and is resistant to radiation and can be made into a flame retardant material. Synthetic leather can be bonded to wood, metal and most plastics to make noise-reducing materials, but existing synthetic leathers also have defects such as low abrasion resistance, no antibacterial function, and anti-aging properties of pigments. Low, leading to the brightness, hue and saturation of synthetic leather can not meet customer requirements.
PU仿皮革， 即是用 PU树脂为原料生产的人造革， 应用广泛。 普通 PU 仿皮革应用于服装， 家饰等诸多领域， 其涂层柔软且有弹性， 涂层强度好， 可用于很薄的涂层。 其涂层具备多孔性， 具有透湿和通气性能， 除此之外还 比较耐干洗。 在相同硬度下， 比其它的弹性体承载能力高， 抗冲击性高， 回 弹范围广， 适于高频挠曲应用， 低温柔顺性好。 PU仿皮革具有不受臭氧侵蚀 的性能， 耐辐射， 可做成阻燃性材料。 PU仿皮革可与木材、 金属以及大部分 塑料粘接， 可制成降噪音材料， 但现有的 PU仿皮革也存在着缺陷， 比如耐 磨度低， 无抗菌功能， 颜 （染） 料抗老化性能低， 导致 PU仿皮革的亮度、 色调和饱和度等指标达不到客户要求。 PU imitation leather, which is artificial leather produced from PU resin, is widely used. Ordinary PU imitation leather is used in many fields such as clothing, home decoration, etc. The coating is soft and elastic, and the coating strength is good, and it can be used for a very thin coating. The coating is porous, has moisture permeability and aeration properties, and is relatively resistant to dry cleaning. Under the same hardness, it has higher bearing capacity than other elastomers, high impact resistance, wide rebound range, suitable for high frequency flexing applications, and good low temperature flexibility. PU imitation leather has the property of being free from ozone attack, resistant to radiation, and can be made into a flame retardant material. PU imitation leather can be used with wood, metal and most Plastic bonding, can be made into noise-reducing materials, but the existing PU imitation leather also has defects, such as low abrasion resistance, no anti-bacterial function, low anti-aging properties of pigment (dyeing), resulting in the brightness of PU imitation leather, Indicators such as hue and saturation do not meet customer requirements.
纳米银材料，是利用前沿纳米技术将银纳米化，使银在纳米状态下的杀菌能 力产生了质的飞跃， 极少的纳米银可产生强大的杀菌作用， 可在数分钟内杀死 Nano-silver materials use nanotechnology in the frontier nanotechnology to produce a qualitative leap in the bactericidal ability of silver in the nano-state. Very few nano-silver can produce powerful bactericidal action, which can kill in a few minutes.
650多种细菌， 且纳米银颗粒具有超强的渗透性。 More than 650 kinds of bacteria, and nano silver particles have superior permeability.
纳米二氧化硅是极其重要的高科技超微细无机新材料之一，因其粒径很 小， 比表面积大， 表面吸附力强， 表面能大， 化学纯度高、 分散性能好、 热 阻、 电阻等方面具有特异的性能。 由于它在磁性、 催化性、 光吸收、 热阻和 熔点等方面与常规材料相比显示出特异功能， 因而得到人们的极大重视。 它 广泛地应用于橡胶、 塑料、 电子、涂料、 陶（搪）瓷、 石膏、 蓄电池、颜料、 胶粘剂、 化妆品、 玻璃钢、 化纤、 有机玻璃、 环保等诸多领域。  Nano-silica is one of the most important high-tech ultra-fine inorganic new materials. It has small particle size, large specific surface area, strong surface adsorption, large surface energy, high chemical purity, good dispersion, thermal resistance and electrical resistance. Other aspects have specific performance. Since it exhibits a specific function in terms of magnetic properties, catalytic properties, light absorption, thermal resistance, and melting point as compared with conventional materials, it has received great attention. It is widely used in rubber, plastics, electronics, paints, ceramics, plaster, batteries, pigments, adhesives, cosmetics, fiberglass, chemical fiber, plexiglass, environmental protection and many other fields.
将合成皮革与纳米材料相结合， 设法组成新物质， 开发新应用的技术， 是合 成皮革发展的新领域。  Combining synthetic leather with nanomaterials, trying to form new materials and developing new applications is a new area of synthetic leather development.
将 PU防皮革与纳米材料相结合， 设法组成新物质， 开发新应用的技术， 是 PU防皮革发展的新领域。 发明内容  Combining PU anti-leather and nano-materials, trying to form new substances and developing new application technologies is a new field of PU anti-leather development. Summary of the invention
针对已有技术存在的不足， 本发明的目的在于提供一种纳米合成皮革， 具 有抗菌环保,耐磨度远高于普通合成皮革材料，使用寿命长，光泽度好不易掉色， 清洗方便等优点。  In view of the deficiencies of the prior art, the object of the present invention is to provide a nano-synthetic leather which has the advantages of antibacterial and environmental protection, wear resistance much higher than ordinary synthetic leather materials, long service life, good gloss, easy to fade, and convenient cleaning.
本发明还提供了一种纳米 PU仿皮革， 具有抗菌环保， 耐磨度远高于普通仿 皮革材料， 使用寿命长， 光泽度好不易掉色， 清洗方便等优点。 The invention also provides a nano PU imitation leather, which has antibacterial and environmental protection, and the wear resistance is much higher than ordinary imitation Leather material, long service life, good gloss, easy to fade, easy to clean and so on.
本发明的发明目的是通过如下技术方案实现的 - 一种纳米合成皮革， 其组成及配比如下： 合成皮革原材料 80%— 99%， 纳米 粉 1%— 20%， 所述纳米粉为纳米银和纳米二氧化硅的混合物。  The object of the present invention is achieved by the following technical solution - a nano synthetic leather, the composition and composition of which are as follows: synthetic leather raw materials 80% - 99%, nano powder 1% - 20%, the nano powder is nano silver And a mixture of nano silica.
所述纳米银和纳米二氧化硅的重量比为： 1 : 5。 所述纳米银的粒径范围为： 厚度： 50— lOOnm长度为： 1一 5 微米， 纳米二氧化硅的粒径范围为： 0.5— 10 微米。  The weight ratio of the nano silver to the nano silica is: 1:5. The nanometer silver has a particle size range of: thickness: 50-100 nm length: 1 to 5 micrometers, and nanometer silica has a particle size range of 0.5-10 micrometers.
合成皮革原材料中加入按一定比例调配的纳米粉剂， 经过后处理工艺， 使 纳米粉剂均匀地混合在合成皮革的原材料中， 即制得纳米合成皮革。  The synthetic leather raw material is added with a certain proportion of the nano-powder, and after the post-treatment process, the nano-powder is uniformly mixed in the raw material of the synthetic leather, that is, the nano-synthetic leather is obtained.
一种纳米 PU仿皮革，其组成及配比如下： PU仿皮革原材料桨料 80%— 99%， 纳米粉 1%— 20%， 所述纳米粉为纳米银和纳米二氧化硅的混合物。  A nano PU imitation leather, the composition and composition thereof are as follows: PU imitation leather raw material paddle 80% - 99%, nano powder 1% - 20%, the nano powder is a mixture of nano silver and nano silica.
所述纳米银和纳米二氧化硅的重量比为 1 : 5。 纳米银的厚度为 50— lOOnm, 长度为 1一 5微米， 纳米二氧化硅的粒径范围为： 0. 5— 10微米。  The weight ratio of the nano silver to the nano silica is 1:5. The nano-silver has a thickness of 50 to 100 nm and a length of 1 to 5 μm, and the nano-silica has a particle size ranging from 0.5 to 10 μm.
PU仿皮革原材料浆料中加入按一定比例调配的纳米粉剂，经过后处理工艺， 使纳米粉剂均匀地混合在 PU仿皮革的原材料中， 即制得纳米 PU仿皮革。  The PU-like leather raw material slurry is added with a certain proportion of the nano-powder, and after the post-treatment process, the nano-powder is uniformly mixed in the raw material of the PU-like leather, that is, the nano-PU-like leather is obtained.
经过研究证明纳米二氧化硅用于颜（染）料时， 它具备如下功效： 有机 颜（染）料虽具有鲜艳的色彩和很强的着色力， 但一般耐光、 耐热、 耐溶剂 和耐迁移性能往往不及无机颜料。 通过添加纳米 Si02对有机颜 （染） 料进 行表面改性处理， 不但使颜 （染）料抗老化性能大幅提高， 而且亮度、 色调 和饱和度等指标也均出现一定程度的提高。  It has been proved by research that nano-silica has the following effects when it is used for pigmentation (dyeing): Although organic pigments have bright colors and strong tinting strength, they are generally resistant to light, heat, solvent and resistance. Migration performance is often inferior to inorganic pigments. The surface modification of the organic pigment (dye) by adding nano-SiO2 not only greatly improved the anti-aging properties of the pigment (dye), but also improved the brightness, hue and saturation.
纳米银颗粒可直接进入菌体与氧代谢 （-SH) 结合， 使菌体窒息而死的独特 作用机制， 可杀死与其接触的大多数细菌、 真菌、 霉菌、 孢子等微生物。 本发明通过将纳米材料加入合成皮革， 在不破坏纳米合成皮革表面物理性 能的前提下， 大大增强了合成皮革本身的耐磨度， 环保抗菌， 大大延长了产 品的使用寿命， 光泽度好不易掉色， 清洗方便。 Nano-silver particles can directly enter the cell body and combine with oxygen metabolism (-SH), so that the bacteria can suffocate and kill the unique mechanism of action, killing most bacteria, fungi, mold, spores and other microorganisms in contact with it. The invention adds the nano material to the synthetic leather, greatly improves the wear resistance of the synthetic leather itself, does not damage the physical properties of the surface of the nano synthetic leather, and is environmentally friendly and antibacterial, which greatly prolongs the service life of the product, and has good gloss and is not easy to fade. Easy to clean.
本发明通过将纳米材料加入 PU仿皮革，在不破坏纳米 PU仿皮革表面物理 性能的前提下， 大大增强了 PU本身的耐磨度， 环保抗菌， 大大延长了产品的 使用寿命， 光泽度好不易掉色， 清洗方便。 具体实施方式  The invention adds the nano material into the PU imitation leather, greatly improves the wear resistance of the PU itself without destroying the physical properties of the surface of the nano PU imitation leather, and is environmentally friendly and antibacterial, which greatly prolongs the service life of the product, and the gloss is not easy. Fading, easy to clean. detailed description
下面结合具体的实施例进一步说明本发明是如何实现的。  The present invention is further described below in conjunction with specific embodiments.
根据纳米银和纳米二氧化硅的重量比确定后将会进一步完善。  According to the weight ratio of nano silver and nano silica, it will be further improved.
实施例 1 Example 1
在 80公斤合成皮革原材料中加入 20公斤的纳米粉剂， 所述纳米粉剂为纳 米银和纳米二氧化硅， 二者的重量比为 5 , 经过后处理工艺， 使纳米粉剂均 匀地混合在合成皮革的原材料中， 即制得本发明的纳米合成皮革。  20 kg of nano-powder is added to 80 kg of synthetic leather raw material, the nano-powder is nano-silver and nano-silica, and the weight ratio of the two is 5. After the post-treatment process, the nano-powder is uniformly mixed in the synthetic leather. Among the raw materials, the nanosynthetic leather of the present invention is obtained.
实施例 2 Example 2
在 99公斤合成皮革原材料中加入 1公斤的纳米粉剂， 所述纳米粉剂为纳米 银和纳米二氧化硅， 二者的重量比为 1 : 5， 经过后处理工艺， 使纳米粉剂均匀 地混合在合成皮革的原材料中， 即制得本发明的纳米合成皮革。  1 kg of nano-powder is added to 99 kg of synthetic leather raw material, the nano-powder is nano-silver and nano-silica, and the weight ratio of the two is 1:5. After the post-treatment process, the nano-powder is uniformly mixed in the synthesis. Among the raw materials of leather, the nano-synthetic leather of the present invention is obtained.
实施例 3 Example 3
在 90公斤合成皮革原材料中加入 10公斤的纳米粉剂， 所述纳米粉剂为纳 米银和纳米二氧化硅， 二者的重量比为 1 : 5， 经过后处理工艺， 使纳米粉剂均 匀地混合在合成皮革的原材料中， 即制得本发明的纳米合成皮革。 实施例 4 10 kg of nano-powder is added to 90 kg of synthetic leather raw material. The nano-powder is nano-silver and nano-silica, and the weight ratio of the two is 1:5. After the post-treatment process, the nano-powder is uniformly mixed in the synthesis. Among the raw materials of leather, the nano-synthetic leather of the present invention is obtained. Example 4
在 80公斤 PU仿皮革原材料浆料中加入 20公斤的纳米粉剂， 所述纳米粉剂 为纳米银和纳米二氧化硅， 二者的重量比为 1 : 5， 经过后处理工艺， 使纳米粉 剂均匀地混合在 PU仿皮革的原材料中， 即制得本发明的纳米 PU仿皮革。  20 kg of nano-powder is added to the 80 kg PU imitation leather raw material slurry. The nano-powder is nano-silver and nano-silica, and the weight ratio of the two is 1:5. After the post-treatment process, the nano-powder is evenly distributed. The nano PU imitation leather of the present invention is obtained by mixing in a raw material of PU imitation leather.
实施例 5 Example 5
在 99公斤 PU仿皮革原材料浆料中加入 1公斤的纳米粉剂， 所述纳米粉剂 为纳米银和纳米二氧化硅， 二者的重量比为 1 : 5， 经过后处理工艺， 使纳米粉 剂均匀地混合在 PU仿皮革的原材料中， 即制得本发明的纳米 PU仿皮革。  1 kg of nano-powder is added to the 99 kg PU imitation leather raw material slurry, the nano-powder is nano-silver and nano-silica, and the weight ratio of the two is 1:5. After the post-treatment process, the nano-powder is uniformly The nano PU imitation leather of the present invention is obtained by mixing in a raw material of PU imitation leather.
实施例 6 Example 6
在 90公斤 PU仿皮革原材料浆料中加入 10公斤的纳米粉剂， 所述纳米粉剂 为纳米银和纳米二氧化硅， 二者的重量比为 5， 经过后处理工艺， 使纳米粉 剂均匀地混合在 PU仿皮革的原材料中， 即制得本发明的纳米 PU仿皮革。  10 kg of nano-powder is added to the 90 kg PU imitation leather raw material slurry. The nano-powder is nano-silver and nano-silica, and the weight ratio of the two is 5. After the post-treatment process, the nano-powder is evenly mixed. Among the raw materials of PU imitation leather, the nano PU imitation leather of the present invention is obtained.

Claims

1、一种纳米合成皮革， 其组成及配比如下： 合成皮革原材料 80%— 99%， 纳米粉 1%— 20%, 所述纳米粉为纳米银和纳米二氧化硅的混合物， 上述百分比均为重量 百分比。 1. A nano-synthetic leather, the composition and composition thereof are as follows: synthetic leather raw materials 80% - 99%, nano powder 1% - 20%, the nano powder is a mixture of nano silver and nano silica, the above percentages are As a percentage by weight.
2、 根据权利要求 1所述的一种纳米合成皮革， 其特征在于： 所述纳米银和纳米 二氧化硅的重量比为： 1 : 5。  2. A nano-synthetic leather according to claim 1, wherein the weight ratio of the nano-silver to the nano-silica is 1: 5 .
3、 根据权利要求 1所述的一种纳米合成皮革， 其特征在于： 所述纳米银的粒径 范围为： 厚度： 50— lOOnm长度为： 1一 5微米， 纳米二氧化硅的粒径范围为： 0.5— 10微米。  3. A nano-synthetic leather according to claim 1, wherein: the nano-silver has a particle size range of: thickness: 50-100 nm length: 1 to 5 micrometers, particle size range of nano-silica For: 0.5-10 microns.
4、 一种纳米 PU仿皮革， 其组成及配比如下： PU仿皮革原材料浆料 80%— 99%， 纳米粉 1%— 20%， 所述纳米粉为纳米银和纳米二氧化硅的混合物， 上述百分比均 为重量百分比。  4. A nano PU imitation leather, the composition and composition thereof are as follows: PU imitation leather raw material slurry 80% - 99%, nano powder 1% - 20%, the nano powder is a mixture of nano silver and nano silica , the above percentages are all weight percentages.
5、 根据权利要求 4所述的一种纳米 PU仿皮革， 其特征在于： 所述纳米银和纳 米二氧化硅的重量比为 1 : 5。  The nano PU imitation leather according to claim 4, wherein the weight ratio of the nano silver to the nano silica is 1:5.
6、根据权利要求 4所述的一种纳米 PU仿皮革， 其特征在于： 所述纳米银的厚度 为 50— lOOnm,长度为 1一 5微米， 纳米二氧化硅的粒径范围为： 0. 5— 10微米。  The nano PU imitation leather according to claim 4, wherein the nano silver has a thickness of 50 to 100 nm and a length of 1 to 5 μm, and the nano silica has a particle size range of 0. 5-10 microns.
PCT/CN2011/001123 2010-07-09 2011-07-07 Nano synthetic leather and nano pu imitation leather WO2012003714A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201010223127.1 2010-07-09
CN 201010223127 CN101956319A (en) 2010-07-09 2010-07-09 Nanometer PU (Polyurethane) artificial leather
CN201010223139.4 2010-07-09
CN 201010223139 CN101955647A (en) 2010-07-09 2010-07-09 Nano synthetic leather

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000144580A (en) * 1998-11-12 2000-05-26 Kuraray Co Ltd Leather-like sheet and its production
KR20060000291A (en) * 2004-06-28 2006-01-06 유제혁 Nano-siliver mat sheets and process of producing thereof
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