WO2015131476A1 - 一种高强度植绒基材人造革及其制备方法 - Google Patents

一种高强度植绒基材人造革及其制备方法 Download PDF

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Publication number
WO2015131476A1
WO2015131476A1 PCT/CN2014/083147 CN2014083147W WO2015131476A1 WO 2015131476 A1 WO2015131476 A1 WO 2015131476A1 CN 2014083147 W CN2014083147 W CN 2014083147W WO 2015131476 A1 WO2015131476 A1 WO 2015131476A1
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strength
parts
artificial leather
slurry
stabilizer
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PCT/CN2014/083147
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English (en)
French (fr)
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毛国兵
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江苏国信合成革有限公司
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Publication of WO2015131476A1 publication Critical patent/WO2015131476A1/zh

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • D06N3/0065—Organic pigments, e.g. dyes, brighteners
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
    • D06N3/005—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers obtained by blowing or swelling agent
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic compounds
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
    • D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
    • D06N3/0093—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin by applying resin powders; by sintering
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
    • D06N3/142—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes mixture of polyurethanes with other resins in the same layer
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2203/00—Macromolecular materials of the coating layers
    • D06N2203/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N2203/045—Vinyl (co)polymers
    • D06N2203/048—Polyvinylchloride (co)polymers

Definitions

  • the invention belongs to the field of artificial leather manufacturing, and particularly relates to a high-strength artificial leather and a preparation method of the high-strength artificial leather.
  • the fluff used for flocking is a short fiber which is made by dyeing and charging after long fiber cutting or pulverization.
  • Commonly used fiber types are nylon, viscose, polypropylene, cotton fiber, and the like. Its characteristics are: It combines the rich color of chemical fiber fabric with the biological properties of leather.
  • the material has both luxurious and elegant color and the essence of the leather, and solves the problem that the long-standing static charge accumulation is easy to cause accidents; the suede has strong dry fastness; the finished leather has high tensile strength; Uniquely breathable, soft, plump and other characteristics, it also has its unique resistance to washing, easy to clean, moisture, noise, flame retardant and other properties.
  • Another object of the present invention is to provide a method of preparing the above high strength artificial floor leather.
  • the object of the invention can be achieved by the following measures:
  • a high-strength artificial leather prepared by calendering by adding a high-strength agent slurry The high-strength slurry is composed of the following components by weight (raw material):
  • PVC resin is SG-5 PVC resin
  • a high strength slurry was prepared in a powder state.
  • the TPU resin is a thermoplastic polyurethane resin and is used as a plasticizer for PVC.
  • the amount of the TPU resin in the slurry is preferably from 1 to 3 parts.
  • the nanocomposite is a composite material of nano-alumina and nano-silica, and the mass ratio of alumina to silica in the composite material is 2:1 ⁇ 1:2.
  • the composite material has a white fluffy powder state, an average particle diameter of 10 to 30 nm, preferably an average particle diameter of 20 nm ; a specific surface area of ⁇ 50111 / ⁇ .
  • the material has a uniform particle size distribution, high purity, high dispersion, low specific surface area, and high temperature resistance. Inert, strong heat resistance, good formability, stable crystal phase, high hardness, good dimensional stability, in the present invention, combined with other components (such as TPU resin, epoxidized soybean oil, heavy calcium, etc.) Synergistic effect can greatly improve the strength of PVC products.
  • the nanocomposite is preferably used in the formulation in an amount of from 1 to 3 parts. Experiments have found that if only one of the nanomaterials is used, the strength properties of the artificial leather are greatly reduced.
  • Epoxy soybean oil is the main plasticizer in this high-strength artificial floor leather. In addition to improving the properties of the product, it can also avoid environmental pollution.
  • the color cake is a commonly used color cake for artificial leather, and is selected according to different color requirements.
  • the stabilizer and the foaming agent are auxiliary agents for the production of commonly used artificial leather, wherein the stabilizer is preferably a potassium zinc stabilizer, a zinc antimony stabilizer or a PVC composite stabilizer, and the foaming agent is preferably azodicarbonamide (ie, a foaming agent). AC) or a mixture containing azodicarbonamide.
  • the filler in the present invention is made of heavy calcium (heavy calcium carbonate).
  • the calendering method is a conventional calendering method, in which each raw material of the high-strength PVC slurry is stirred at a high speed of 100 to 150 ° C and then firstly kneaded at 145 to 155 ° C to obtain a high-strength slurry; PU (polyurethane) slurry at ⁇ 160 ° C, and then combined with the high-strength slurry at 155 ⁇ 165 ° C again, after mixing, into a four-roll calender at 160 ⁇ 190 ° C calendering Flattening, finally foaming and embossing treatment was carried out at 160 to 180 °C.
  • the preparation method of the high-strength flocked artificial leather is as follows: First, the raw materials of the high-strength slurry are stirred at a high speed in a high-speed mixer, and then enter the internal mixer for the first time to obtain a high-strength slurry; the PU pulp on the substrate And then mixed with the high-strength slurry in an internal mixer for further refining, after the compaction, into a four-roll calender, calendering and flattening, and finally into a foaming printing machine for foaming and embossing; wherein the high strength
  • the respective raw materials of the type and the weight ratio thereof are as described above.
  • the temperature at the time of high-speed stirring is 100 to 150 ° C ; the first mixing temperature is 145 to 155 ° C; the substrate is subjected to PU slurry at 140 to 160 ° C; and the temperature at the time of re-mixing is 155 ⁇ 165 ° C; rolling temperature is 160 ⁇ 190 ° C; foaming embossing treatment temperature is 160 ⁇ 180 ° C.
  • the sodium-rice composite material is also used as a strength agent, which not only overcomes the difficulty of achieving high strength of the single sodium material, but also synergizes with the TPU and other components, thereby greatly improving the strength properties of the PVC artificial leather.
  • the artificial leather of the invention not only has good mechanical properties, but also has ultra-high strength characteristics, and the surface strength rotation number is ⁇ 6000 times.
  • the raw materials of the high-strength slurry and the weight ratio thereof are: 100 parts of PVC resin powder, 5 parts of TPU resin, nano-alumina and nano-silica composite material (1: 1, average particle diameter 20 nm ; specific surface area ⁇ 50 m) / g) 4 parts, 30 parts of epoxidized soybean oil, 7 parts of color cake, 2 parts of potassium-zinc stabilizer, 2 parts of foaming agent, 30 parts of heavy calcium.
  • the above materials are metered into the high-speed mixer through the pulse feeding machine, and the temperature is controlled. After fully stirring at 100-150 ° C, enter the internal mixer, the temperature is controlled at (160 ° C) for several minutes; in addition, after the substrate (various fabrics) is opened, the upper PU slurry (150 °) C), combine the well-mixed material with the substrate of the upper PU slurry, enter the two-roll mill (160 ° C), and then enter the four-roll calender (temperature 160-190 ° C). , cooled to normal temperature and curled, then enter the foaming printing machine
  • the foam is pressed into various patterns, and then the film is inspected and packaged into the warehouse.
  • the surface strength rotation number is ⁇ 5000 times.
  • Longitudinal tensile load 280 N, latitudinal tensile load 201 N, warp elongation at break 5%, latitudinal elongation at break 14%, warp tear load 17N, latitudinal tear load 16N, peeling load 20N, aging test does not crack.
  • wipe the sample with absorbent gauze face the sample up, install it on the abrasion tester, and install the grinding wheel on the bracket, apply 4.9N+-0.2 Wear under N external force conditions, and the grinding wheel is replaced once every 500 rpm. Same as below
  • the raw materials of the high-strength slurry and the weight ratio thereof are: 100 parts of PVC resin powder, 3 parts of TPU resin, nano-alumina and nano-silica composite material (1: 2, average particle diameter 20 nm ; specific surface area ⁇ 50 m) / g) 3 parts, 20 parts of epoxidized soybean oil, 15 parts of color cake, 1 part of strontium zinc stabilizer, 3 parts of azodicarbonamide, 20 parts of heavy calcium.
  • the above-mentioned materials are metered into the high-speed mixer through the pulse feeding machine, and the temperature is controlled to be fully stirred at 100-150 ° C, then enter the internal mixer, and the temperature is controlled at (160 ° C) for several minutes;
  • the substrate variable fabrics
  • the PU slurry 150 ° C
  • the well-mixed material is combined with the substrate of the upper PU slurry to enter the two-roll mill (160 ° C).
  • the foam is pressed into various patterns, and then the film is inspected and packaged into the warehouse.
  • the surface strength rotation number is ⁇ 5000 times.
  • Longitudinal tensile load 290 N, latitudinal tensile load 200 N, warp elongation at break 5%, latitudinal elongation at break 13%, warp tear load 17N, latitudinal tear load 16N, peeling load 21N, aging test does not crack.
  • Comparative example 1 Longitudinal tensile load 290 N, latitudinal tensile load 200 N, warp elongation at break 5%, latitudinal elongation at break 13%, warp tear load 17N, latitudinal tear load 16N, peeling load 21N, aging test does not crack. Comparative example 1
  • Example 2 The same as in Example 1 except that the TPU resin was not used in the high strength slurry.
  • the mechanical properties of the obtained artificial leather were much lower than those of Example 1, and the surface strength was rotated ⁇ 2000 times.
  • nano-alumina and nano-silica composite materials were changed to nano-alumina.
  • the mechanical properties of the obtained artificial leather were about 20% lower than those of Example 1, and the surface strength of the film was ⁇ 3000 times.
  • the mechanical properties of the obtained artificial leather were about 20% lower than those of Example 1, and the surface strength was rotated ⁇ 3000 times.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)

Abstract

本发明公开了一种高强度植绒基材人造革及其制备方法，该人造革利用加入高强度剂浆料采用压延法制备而成，所述高强度浆料由以下重量份的组分配成：PVC树脂粉100份，TPU树脂1~5份，纳米复合材料1~5份，环氧大豆油10~40份，色饼2~20份，稳定剂和发泡剂3~7份，重质碳酸钙10~30份。本发明的人造革不仅具有较好的机械性能，还具有超高强度特性其表面强度转数≥6000次。

Description

一种髙强度植绒基材人造革及其制备方法 技术领域
本发明属于人造革制造领域， 具体涉及一种高强度人造革以及这种高强 度人造革制备方法。
背景技术
近几年来， 植绒皮革的问世， 不但是对皮革面料品种与色彩的极大补充 与发展， 而且也克服了原有皮革染色时不浓不艳、 败色问题和不能很及时地 随市场流行色变化而变化等缺点。 植绒所用的绒毛， 是将长纤维切割或粉 碎后， 经染色、 带电处理而制成的长度较为均匀的短纤维。 常用的纤维品种 有尼龙、 粘胶纤维、 丙纶、 棉纤维等。 它的特点是： 集化纤面料丰富多彩的 色泽与皮革的生物性能于一体。 与五光十色的化纤面料相比， 它很容易达到 化纤面料染出的各种颜色， 其色调又远比化纤面料的色彩更柔和、 更富于立 体感和层次感， 而任何化纤面料所无法具有的只有皮革所特有的各种生物性 能它均具有； 由于通过了特殊的静电处理， 避免了因静电荷积累而造成的困 惑， 这就拓宽了皮革的应用范围， 尤其是用其来制作轿车内衬材料， 既具有 豪华典雅的色调和真皮的实质， 又解决了困惑人们已久的静电荷积累易酿成 事故的问题； 绒面耐干磨牢度强； 成品革抗张强度大； 除了具备皮革特有的 透气、 柔软、 丰满等特性外， 还具有其独特的耐洗涤、 易保洁、 隔潮、 隔噪 音、 阻燃等性能。
发明内容
本发明的目的是提供一种具备高强度植绒基材人造革。
本发明的另一目的是提供一种上述高强度人造地板革的制备方法。 本发明的目的可以通过以下措施达到：
一种高强度人造革， 该人造革利用加入高强度剂浆料采用压延法制备而 成， 所述高强度浆料由以下重量份的组分 （原料） 配成:
PVC树脂粉 100份
TPU树脂 1〜5份
纳米复合材料 1〜5份
10〜40份
色饼 2〜20份
稳定剂和发泡剂 3〜7份
重质碳酸钙 10〜30份。
其中 PVC树脂为 SG-5 PVC树脂
用粉末状态制备高强度浆料。
TPU树脂为热塑性聚氨酯树脂， 作为 PVC的一种增塑剂使用， 浆料中 TPU树脂的用量优选为 1〜3份。
其中所述纳米复合材料是纳米氧化铝与纳米二氧化硅复合材料， 复合材 料中氧化铝与二氧化硅的质量比为 2: 1〜1： 2。 该复合材料为白色蓬松粉末 状态， 平均粒径为 10〜30nm， 优选平均粒径是 20nm; 比表面积≥50111/^ 该 材料粒度分布均匀、 纯度高、 高分散、 其比表面低， 具有耐高温的惰性， 耐 热性强， 成型性好， 晶相稳定、 硬度高、 尺寸稳定性好， 在本发明中， 与其 他组分 （如 TPU树脂、 环氧大豆油、 重钙等） 合用， 相互协同作用， 可以 大幅提高 PVC制品的强度作用。该纳米复合材料在配方中优选采用 1〜3份。 实验发现，如果仅采用其中一种纳米材料，则会大幅降低人造革的强度性能。
环氧大豆油在本高强度人造地板革中作为主要增塑剂， 除提升制品性质 外还可以避免对环境的污染。
色饼为人造革制造常用色饼， 根据不同颜色要求， 进行选用。
稳定剂、 发泡剂为常用人造革生产用的助剂， 其中稳定剂优选为钾锌稳 定剂、钡锌稳定剂或 PVC复合稳定剂， 发泡剂优选为偶氮二甲酰胺（即发泡 剂 AC) 或含偶氮二甲酰胺的混合物。
本发明中的填料采用重钙 （重质碳酸钙）。 上述压延法为传统压延法， 即将高强度型 PVC浆料的各原料在 100〜 150°C下高速搅拌后于 145〜155 °C下首次密炼， 得到高强度型浆料； 基材于 140〜160°C下上 PU (聚氨酯）浆料， 然后与所述高强度型浆料结合于 155〜 165°C下再次密炼， 密炼后进入四滚压延机于 160〜190°C下压延平整， 最后 于 160〜180°C下进行发泡压花处理。
高强度型植绒人造革的制备方法具体为： 先将高强度型浆料的各原料在 高速搅拌机中高速搅拌后进入密炼机进行首次密炼， 得到高强度型浆料； 基 材上 PU浆料， 然后与所述高强度型浆料结合在密炼机中再次密炼， 密炼后 进入四滚压延机压延平整， 最后进入发泡印花机进行发泡压花处理； 其中所 述高强度型的各原料及其重量份配比如上所述。
制备方法中， 高速搅拌时的温度为 100〜150°C ; 首次密炼温度为 145〜 155°C ; 基材于 140〜160°C下上 PU浆料； 再次密炼时的温度为 155〜165°C ; 压延温度为 160〜190°C ; 发泡压花处理温度为 160〜180°C。
另经过反复研究， 本配方中采取添加部分 TPU热塑性聚氨酯树脂， 在各 组分配合下， 充分发挥了 TPU和 PVC两者优良特性， 既可以作为对 PVC增 塑剂使用， 消除部分聚氯乙烯存在的增塑剂迁移、 挥发的问题， 又可以增加 制品的硬度、 刚韧性能。 本发明中还采用钠米复合材料为强度剂， 不仅克服 了单一钠米材料难以实现较高强度的缺陷， 更与 TPU 以及其他组分协同作 用，极大地提高了 PVC人造革的强度性能。本发明的人造革不仅具有较好的 机械性能， 还具有超高强度特性， 其表面强度转数≥6000次。
具体实施方式
实施例 1
高强度浆料的各原料及其重量份配比为： PVC树脂粉 100份， TPU树 脂 5份， 纳米氧化铝与纳米二氧化硅复合材料 （1 : 1， 平均粒径 20nm; 比 表面积≥50m/g) 4份， 环氧大豆油 30份， 色饼 7份， 钾锌稳定剂 2份， 发泡 剂 2份， 重钙 30份。
按配料将计量后的上述各物料经脉冲上料机输入高速搅拌机中， 温度控 制在 100-150°C充分搅拌后， 进入密炼机， 温度控制在（160°C )密炼数分钟； 另外， 将基材 （各种布料） 开幅后， 上 PU浆料 （150°C )， 将密炼充分的物 料与上 PU浆料的基材结合， 进入二滚开炼机（160°C )开炼， 再进入四滚压 延机 （温度 160-190°C ) 压延平整后， 冷却至常温卷曲， 再进入发泡印花机
( 160-180 °C ) 发泡压成各种花纹， 然后进行分卷检验， 包装入库。
这种人造革物化性能如下：
表面强度转数≥5000次。 经向拉伸负荷 280 N， 纬向拉伸负荷 201 N， 经向断裂伸长率 5%， 纬向断裂伸长率 14%， 经向撕裂负荷 17N, 纬向撕裂 负荷 16N, 剥离负荷 20N, 老化性测试不开裂。 （根据 GB/T18102-2000中的 6.3.11 规定进行， 用脱脂纱布将试样擦拭干净， 将试样面向上， 安装在磨耗 试验机上，并将研磨轮安装在支架上，施加 4.9N+-0.2N外力条件下进行磨耗， 研磨轮每磨耗 500转更换一次。 下同）
实施例 2
高强度浆料的各原料及其重量份配比为： PVC树脂粉 100份， TPU树 脂 3份， 纳米氧化铝与纳米二氧化硅复合材料 （1 : 2， 平均粒径 20nm; 比 表面积≥50m/g) 3份， 环氧大豆油 20份， 色饼 15份， 钡锌稳定剂 1份， 偶 氮二甲酰胺 3份， 重钙 20份。
按配料将计量后的上述各物料经脉冲上料机输入高速搅拌机中， 温度控 制在 100-150°C充分搅拌后， 进入密炼机， 温度控制在（160°C )密炼数分钟； 另外， 将基材 （各种布料） 开幅后， 上 PU浆料 （150°C )， 将密炼充分的物 料与上 PU浆料的基材结合， 进入二滚开炼机（160°C )开炼， 再进入四滚压 延机 （温度 160-190°C ) 压延平整后， 冷却至常温卷曲， 再进入发泡印花机
( 160-180 °C ) 发泡压成各种花纹， 然后进行分卷检验， 包装入库。
这种人造革物化性能如下：
表面强度转数≥5000次。 经向拉伸负荷 290 N， 纬向拉伸负荷 200 N， 经向断裂伸长率 5%， 纬向断裂伸长率 13%， 经向撕裂负荷 17N, 纬向撕裂 负荷 16N, 剥离负荷 21N, 老化性测试不开裂。 对比例 1
除在高强度浆料中不使用 TPU树脂外，其他同实施例 1。所得人造革物 的机械性能远低于实施例 1， 且其表面强度转数 <2000次。
对比例 2
除在将纳米氧化铝与纳米二氧化硅复合材料改为纳米氧化铝外， 其他同 实施例 1。 所得人造革物的机械性能比实施例 1低 20%左右， 其表面强度转 数<3000次。
对比例 3
除在将纳米氧化铝与纳米二氧化硅复合材料改为纳米二氧化硅外， 其他 同实施例 1。 所得人造革物的机械性能比实施例 1低 20%左右， 表面强度转 数<3000次。

Claims

权 利 要 求 书
1、高强度植绒基材人造革， 其特征在于： 该人造革利用高强度浆料采用
PVC树脂粉 100份
TPU树脂 1〜5份
纳米复合材料 1〜5份
10〜40份
色饼 2〜20份
稳定剂和发泡剂 3〜7份
重质碳酸钙 10〜30份。
2、 根据权利要求 1所述的高强度型人造革， 其特征在于： 所述 PVC树 脂为 S-5型电石法聚氯乙烯； 所述纳米复合材料为纳米氧化铝与纳米二氧化 硅复合材料。
3、 根据权利要求 2所述的高强度植绒基材人造革， 其特征在于： 所述 纳米氧化铝与纳米二氧化硅复合材料中， 氧化铝与二氧化硅的质量比为 2: 1〜1： 2。
4、 根据权利要求 2所述的高强度植绒基材人造革， 其特征在于： 所述 纳米复合材料的平均粒径 10〜30nm， 比表面积≥50111/^
5、 根据权利要求 1 所述的高强度植绒基材人造革， 其特征在于： 所述 稳定剂为钾锌稳定剂、钡锌稳定剂或 PVC复合稳定剂，所述发泡剂为偶氮二 甲酰胺或含偶氮二甲酰胺的混合物。
6、 根据权利要求 1 所述的高强度植绒基材人造革， 其特征在于： 所述 的压延法为将高强度浆料的各原料在 100〜150°C下高速搅拌后于 145〜 155°C下首次密炼， 得到高强度浆料； 基材于 140〜160°C下上 PU浆料， 然 后与所述高强度浆料结合于 155〜165 °C下再次密炼，密炼后进入四滚压延机 于 160〜190°C下压延平整， 最后于 160〜180°C下进行发泡压花处理。
7、 一种权利要求 1 所述的高强度植绒基材人造革的制备方法， 其特征 在于： 先将高强度浆料的各原料在高速搅拌机中高速搅拌后进入密炼机进行 首次密炼， 得到高强度浆料； 基材上 PU浆料， 然后与所述高强度浆料结合 在密炼机中再次密炼， 密炼后进入四滚压延机压延平整， 最后进入发泡印花 机进行发泡压花处理； 其中所述高强度浆料的各原料及其重量份配比如下：
PVC树脂粉 100份
TPU树脂 1〜5份
纳米复合材料 1〜5份
10〜40份
色饼 2〜20份
稳定剂和发泡剂 3〜7份
重质碳酸钙 10〜30份。
8、 根据权利要求 7 所述的高强度植绒基材人造革的制备方法， 其特征 在于： 高速搅拌时的温度为 100〜150°C ; 首次密炼温度为 145〜155 °C ; 基材 于 140〜160°C下上 PU浆料； 再次密炼时的温度为 155〜165°C ; 压延温度为 160〜190°C ; 发泡压花处理温度为 160〜180°C。
PCT/CN2014/083147 2014-03-06 2014-07-28 一种高强度植绒基材人造革及其制备方法 WO2015131476A1 (zh)

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