WO2016086717A1 - 变色皮革的生产工艺 - Google Patents

变色皮革的生产工艺 Download PDF

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WO2016086717A1
WO2016086717A1 PCT/CN2015/091798 CN2015091798W WO2016086717A1 WO 2016086717 A1 WO2016086717 A1 WO 2016086717A1 CN 2015091798 W CN2015091798 W CN 2015091798W WO 2016086717 A1 WO2016086717 A1 WO 2016086717A1
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layer
base fabric
soluble resin
water
coating
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PCT/CN2015/091798
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English (en)
French (fr)
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陈健
吴小红
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南通亿华塑胶有限公司
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Publication of WO2016086717A1 publication Critical patent/WO2016086717A1/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
    • D06N3/18—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with two layers of different macromolecular materials
    • 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
    • D06N3/04—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 by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N3/06—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 by reactions only involving carbon-to-carbon unsaturated bonds with polyvinylchloride or its copolymerisation products
    • D06N3/08—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 by reactions only involving carbon-to-carbon unsaturated bonds with polyvinylchloride or its copolymerisation products with a finishing layer consisting of polyacrylates, polyamides or polyurethanes or polyester
    • 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
    • D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
    • D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/18—Handling of layers or the laminate
    • 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
    • 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
    • D06N2203/06—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N2203/068—Polyurethanes
    • 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
    • D06N2209/00—Properties of the materials
    • D06N2209/08—Properties of the materials having optical properties
    • D06N2209/0807—Coloured
    • 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
    • D06N2211/00—Specially adapted uses
    • D06N2211/12—Decorative or sun protection articles
    • D06N2211/28—Artificial leather

Definitions

  • the invention relates to a process for producing color-changing leather.
  • Artificial leather also called imitation leather or rubber, is a general term for artificial materials such as PVC and PU. It is made of PVC or PU foaming or laminating on various fabrics or non-woven fabrics. It can be made according to different strength, wear resistance, cold resistance and color, luster and pattern. The pattern and the like are required to be processed, and have the characteristics of various colors, good waterproof performance, neat edge width, high utilization rate and low price relative to the leather.
  • Artificial leather has now been manufactured in large quantities and used in materials including clothing, shoes, furniture, and vehicles.
  • the artificial leather is generally manufactured by using a non-woven fabric mixed with a general fiber, a microfiber or a general fiber and an ultrafine fiber as a base fabric, and a polyurethane resin composition is filled on the surface of the base fabric, followed by grinding or Embossing or applying a polyurethane resin coated with a release paper to form a leather having a surface having elasticity and a leather grain.
  • PU leather is the skin of polyurethane. It is now widely used in the decoration of bags, clothing, shoes, vehicles and furniture. It has been increasingly recognized by the market. Its wide range of applications, large quantities, variety, is traditional. Natural leather can't be satisfied.
  • the color-changing leather is made of a PU surface layer and a BASE layer which are added to the leather with a color-changing resin, and is immersed and then processed to form a release paper embossing or embossing and printing, and the pattern is relatively simple.
  • the object of the present invention is to overcome the above deficiencies and to provide a production process of a color-changing color-changing leather.
  • a production process for a color-changing leather comprising the following steps:
  • A preparing a base fabric; the fabric is automatically fed by a unwinder, and the base fabric is placed in a baking device for preheating;
  • a further improvement of the invention is that the base fabric in step A is prepared directly from a cloth or wet bottom embryo that meets the requirements of furniture, handbags or garment leather.
  • a further improvement of the invention resides in that the base fabric in step A comprises one of a cloth layer, a wet bottom embryo or a foamed bottom.
  • a further improvement of the present invention is that the top surface of the base fabric is subjected to a contact grinding process in a wiping manner.
  • a further improvement of the present invention resides in that the surface treatment agent is made of a synthetic resin.
  • a further improvement of the present invention is that the surface treatment agent is a wiping treatment agent or a scorch treatment agent.
  • thermoplastic elastomer is a material having the characteristics of high elasticity, high strength, high resilience, and injection moldability of rubber.
  • the invention can achieve the local color changing effect of the leather by wiping the water-soluble resin layer by wiping water, the color can be diversified and matched, and the utility model is wider;
  • the water-soluble resin is a water-soluble resin, can be dissolved in any ratio with water, and has low viscosity and solidity. It has high content, low odor and good leveling property.
  • the solvent used for water-soluble resin polymerization adopts non-toxic and highly volatile solvent, which is safe and environmentally friendly.
  • a production process for color changing leather comprising the following steps:
  • the base fabric is automatically fed by the unwinder, and the base fabric is preheated in a baking device, and the base fabric is directly made of cloth or wet bottom embryo satisfying the demand of furniture, handbag or clothing leather.
  • the base fabric comprises one of a cloth layer, a wet bottom embryo or a foamed bottom embryo, and the top surface of the base fabric is subjected to contact grinding treatment by wiping;
  • the surface treatment agent is made of synthetic resin, and the surface treatment agent is a wiping treatment agent or rubbing Treatment agent
  • the invention can achieve the local color changing effect of the leather by wiping the water-soluble resin layer by wiping water, the color can be diversified and matched, and the utility is wider;
  • the water-soluble resin is metal such as steel, stainless steel, copper aluminum or the like.
  • Special-purpose high-performance resin suitable for metal products protection and decoration, rust-proof, anti-handprint; widely used in metal baking materials, metal furniture, ballasts, whiteboards, printing iron, automobiles and coils.
  • the water-soluble resin has excellent adhesion and salt spray resistance to metals such as steel, stainless steel, copper and aluminum, and also takes into account the super weather resistance of the special silicone resin and the high decorativeness of the acrylic resin; the water-soluble resin is excellent in fullness.
  • water-soluble resin is water-soluble resin, soluble in any proportion of water, and viscosity Low, high solid content, low odor, good leveling; solvent used in water-soluble resin polymerization is non-toxic and highly volatile solvent, safe and environmentally friendly.
  • the present invention is not limited to the above embodiments, and all the modes in which the present invention is constructed by a similar structure and method of the present invention are within the scope of the present invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)

Abstract

本发明公开了一种变色皮革的生产工艺，包括以下步骤：制备基布；布料通过放卷机实现自动上料，并将该基布放入烘烤装置中预热处理；在基布外层涂覆一层聚氨酯粘合剂，形成粘合层；在粘合层上涂覆一层PVC发泡层；在PVC发泡层上涂覆一层表面处理剂，待所述表面处理剂干固后形成一PVC面层；在PVC面层的表面涂覆一层水溶性树脂和一种或多种色料，形成水溶性树脂层；用擦拭水擦拭水溶性树脂层，形成局部变色。本发明通过擦拭水擦拭水溶性树脂层来达到皮革的局部变色效果，颜色可以多元化搭配，实用性更广，水溶性树脂聚合所采用溶剂均采用无毒的高挥发性溶剂，安全环保。

Description

变色皮革的生产工艺 技术领域：
本发明涉及一种变色皮革的生产工艺。
背景技术：
人造皮革也叫仿皮或胶皮，是PVC和PU等人造材料的总称。它是在纺织布基或无纺布基上，由各种不同配方的PVC和PU等发泡或覆膜加工制作而成，可以根据不同强度、耐磨度、耐寒度和色彩、光泽、花纹图案等要求加工制成，具有花色品种繁多、防水性能好、边幅整齐、利用率高和价格相对真皮便宜的特点。
现在，人造皮革已被大量制造并应用在包括衣物、鞋子、家具及车辆用材料中。人造皮革的制造一般是使用由一般纤维、超细纤维或一般纤维与超细纤维混结成的不织布作为基布，并在该基布表面上填入聚氨酯树脂组成物，后施以研磨加工或压纹加工或以离型纸涂布聚氨基甲酸酯树脂施以贴合加工，而构成表面具有弹性及真皮纹路的皮料。
PU皮革就是聚氨酯成份的表皮.现在广泛适用于做箱包、服装、鞋、车辆和家具的装饰，它已日益得到市场的肯定，其应用范围之广，数量之大，品种之多，是传统的天然皮革无法满足的。变色皮革是用变色树脂添加进皮革的PU面层和BASE层，经过浸润，再后加工进行离型纸贴面或者压纹、印刷而制成，样式比较单一。
发明内容：
本发明的目的是为了克服以上的不足，提供一种颜色多元化的变色皮革的生产工艺。
本发明的目的通过以下技术方案来实现：一种变色皮革的生产工艺，包括以下步骤：
A、制备基布；布料通过放卷机实现自动上料，并将该基布放入烘烤装置中预热处理；
B、在基布外层涂覆一层聚氨酯粘合剂，形成粘合层；
C、在粘合层上涂覆一层PVC发泡层；
D、在PVC发泡层上涂覆一层表面处理剂，待所述表面处理剂干固后形成一PVC面层；
E、在PVC面层的表面涂覆一层水溶性树脂和一种或多种色料，形成水溶性树脂层；
F、用擦拭水擦拭水溶性树脂层，形成局部变色。
本发明的进一步改进在于：步骤A中基布直接由满足家具、手袋或服装类皮革需求的布料或湿式底胚制备而成。
本发明的进一步改进在于：步骤A中基布包括布料层、湿式底胚或发泡底胚之一。
本发明的进一步改进在于：以擦拭方式对基布上的顶层面进行接触磨除加工处理。
本发明的进一步改进在于：表面处理剂以合成树脂为原料。
本发明的进一步改进在于：表面处理剂为擦拭处理剂或擦焦处理剂。
本发明的进一步改进在于：热塑性弹性体是一种具有橡胶的高弹性、高强度、高回弹性、具有可注塑加工的特征的材料。
本发明与现有技术相比具有以下优点：
本发明通过擦拭水擦拭水溶性树脂层来达到皮革的局部变色效果，颜色可以多元化搭配，实用性更广；水溶性树脂为水溶性树脂，可与水任意比例相溶，且粘度低、固含量高、气味小，具有良好的流平性；水溶性树脂聚合所采用溶剂均采用无毒的高挥发性溶剂，安全环保。
具体实施方式：
为了加深对本发明的理解，下面将结合实施例对本发明作进一步详述，该实施例仅用于解释本发明，并不构成对本发明保护范围的限定。
一种变色皮革的生产工艺，包括以下步骤：
A、制备基布；布料通过放卷机实现自动上料，并将该基布放入烘烤装置中预热处理，基布直接由满足家具、手袋或服装类皮革需求的布料或湿式底胚制备而成，基布包括布料层、湿式底胚或发泡底胚之一，以擦拭方式对所述基布上的顶层面进行接触磨除加工处理；
B、在基布外层涂覆一层聚氨酯粘合剂，形成粘合层；
C、在粘合层上涂覆一层PVC发泡层；
D、在PVC发泡层上涂覆一层表面处理剂，待所述表面处理剂干固后形成一PVC面层，表面处理剂以合成树脂为原料，表面处理剂为擦拭处理剂或擦焦处理剂；
E、在PVC面层的表面涂覆一层水溶性树脂和一种或多种色料，形成水溶性树脂层；
F、用擦拭水擦拭水溶性树脂层，形成局部变色。
本发明通过擦拭水擦拭水溶性树脂层来达到皮革的局部变色效果，颜色可以多元化搭配，实用性更广；水溶性树脂为钢铁、不锈钢、铜铝等金属的 专用型高性能树脂；适用于金属制品的防护与装饰，防锈、防手印；广泛应用于金属烤漆、金属家具、镇流器、白板、印铁、汽车和卷材等金属材质上。水溶性树脂对钢铁、不锈钢、铜铝等金属具有超强的附着力及耐盐雾性能，还兼顾了特种有机硅树脂的超耐候性及丙烯酸树脂的高装饰性；水溶性树脂丰满度优异，保光、保色效果好，具有耐久、极好的耐候性，不变色，良好的流平性，良好的硬度和韧性；水溶性树脂为水溶性树脂，可与水任意比例相溶，且粘度低、固含量高、气味小，具有良好的流平性；水溶性树脂聚合所采用溶剂均采用无毒的高挥发性溶剂，安全环保。
申请人又一声明，本发明通过上述实施例来说明本发明的实现方法及装置结构，但本发明并不局限于上述实施方式，即不意味着本发明必须依赖上述方法及结构才能实施。所属技术领域的技术人员应该明了，对本发明的任何改进，对本发明所选用实现方法等效替换及步骤的添加、具体方式的选择等，均落在本发明的保护范围和公开的范围之内。
本发明并不限于上述实施方式，凡采用和本发明相似结构及其方法来实现本发明目的的所有方式，均在本发明的保护范围之内。

Claims (6)

  1. 一种变色皮革的生产工艺，其特征在于：包括以下步骤：
    A、制备基布；布料通过放卷机实现自动上料，并将该基布放入烘烤装置中预热处理；
    B、在基布外层涂覆一层聚氨酯粘合剂，形成粘合层；
    C、在粘合层上涂覆一层PVC发泡层；
    D、在PVC发泡层上涂覆一层表面处理剂，待所述表面处理剂干固后形成一PVC面层；
    E、在PVC面层的表面涂覆一层水溶性树脂和一种或多种色料，形成水溶性树脂层；
    F、用擦拭水擦拭水溶性树脂层，形成局部变色。
  2. 根据权利要求1所述变色皮革的生产工艺，其特征在于：所述步骤A中基布直接由满足家具、手袋或服装类皮革需求的布料或湿式底胚制备而成。
  3. 根据权利要求1所述变色皮革的生产工艺，其特征在于：所述步骤A中基布包括布料层、湿式底胚或发泡底胚之一。
  4. 根据权利要求1所述变色皮革的生产工艺，其特征在于：以擦拭方式对所述基布上的顶层面进行接触磨除加工处理。
  5. 根据权利要求1所述变色皮革的生产工艺，其特征在于：所述表面处理剂以合成树脂为原料。
  6. 根据权利要求1所述变色皮革的生产工艺，其特征在于：所述表面处理剂为擦拭处理剂或擦焦处理剂。
PCT/CN2015/091798 2014-12-01 2015-10-13 变色皮革的生产工艺 WO2016086717A1 (zh)

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