CN104372681B - 一种冷压烙印变色pu革 - Google Patents

一种冷压烙印变色pu革 Download PDF

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CN104372681B
CN104372681B CN201410629051.0A CN201410629051A CN104372681B CN 104372681 B CN104372681 B CN 104372681B CN 201410629051 A CN201410629051 A CN 201410629051A CN 104372681 B CN104372681 B CN 104372681B
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water repellent
leather
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CN104372681A (zh
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田树松
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ZHEJIANG JINSHANG SYNTHETIC LEATHER Co Ltd
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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
    • D06N3/12—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
    • 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
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0004—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using ultra-fine two-component fibres, e.g. island/sea, or ultra-fine one component fibres (< 1 denier)
    • 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
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
    • D06N3/0034—Polyamide fibres
    • 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
    • D06N2205/00—Condition, form or state of the materials
    • D06N2205/08—Microballoons, microcapsules
    • 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
    • D06N2209/00—Properties of the materials
    • D06N2209/12—Permeability or impermeability properties
    • D06N2209/126—Permeability to liquids, absorption
    • D06N2209/128—Non-permeable
    • 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

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Laminated Bodies (AREA)

Abstract

本发明公开了一种冷压烙印变色PU革，包括基布层，所述基布层上复合设置有聚氨酯粘接层，所述聚氨酯粘接层上合设置有拒水层，所述拒水层上复合设置有变色层，所述变色层上复合设置有聚氨酯面层，所述变色层和拒水层之间设有若干个空腔，所述空腔内设有受挤压自动破溃的微囊，所述微囊内填充有变色油墨。本发明能缓解变色油墨的流失，提高变色PU革的使用寿命。

Description

一种冷压烙印变色PU革
技术领域
本发明涉及一种PU革。
技术背景
变色PU也称为普拉普革，它是一种叫普拉普油注入皮革内制成，因为普拉普油的扩散与扩散回复性使得皮革在受力时颜色会产生一个渐变的效果，因此而得名为变色PU。变色PU的表层有一定的透明性，在收到外力拉伸作用后，其中注入的普拉普油受力转迁，使用受力皮革表现失去油性，颜色逐渐变浅，而附近因为作用力的大小不同，失去油性的程度不同，形成一种色差。然而，变色PU革在反复受外力拉伸后，其中的变色油墨容易流失，从而影响变色PU的效果和使用寿命。
发明内容
本发明所要解决的技术问题就是提供一种冷压烙印变色PU革，能缓解变色油墨的流失，提高变色PU革的使用寿命。
为解决上述技术问题，本发明采用如下技术方案：
一种冷压烙印变色PU革，包括基布层，所述基布层上复合设置有聚氨酯粘接层，所述聚氨酯粘接层上合设置有拒水层，所述拒水层上复合设置有变色层，所述变色层上复合设置有聚氨酯面层，所述变色层和拒水层之间设有若干个空腔，所述空腔内设有受挤压自动破溃的微囊，所述微囊内填充有变色油墨。
优选的，所述微囊包括具有球形内腔的本体，所述变色油墨填充于本体内的球形内腔中，所述本体的外表面上设有具有弹性的弹片，所述弹片的两端分别设有刺头，所述刺头的刺尖朝向本体表面设置。
优选的，所述空腔设置于变色层的下表面或拒水层的上表面。
优选的，所述空腔为变色层和拒水层之间构成的半球形腔体。
优选的，所述基布层由纤度为5～7旦的海岛型尼龙超细纤维经聚氨酯浆料含浸制成。
本发明的有益效果为：
在变色PU革受外力拉伸时，拒水层和变色层之间的空腔会受到挤压，从而使空腔内的微囊受挤压而破溃，微囊中的变色油墨自动流出浸润变色层，从而为变色层持续补充变色油墨，变色PU革不会因变色油墨的流失而快速的失去变色效果，从而延长了变色PU革的使用寿命。
附图说明
以下结合附图和具体实施方式对本发明进行进一步描述：
图1是本发明的结构示意图；
图2是本发明中微囊的结构示意图。
具体实施方式
下面结合附图对本发明的具体实施方式作详细说明。
如图1所示，本发明包括基布层1，所述基布层上复合设置有聚氨酯粘接层2，所述聚氨酯粘接层上合设置有拒水层3，所述拒水层上复合设置有变色层4，所述变色层上复合设置有聚氨酯面层5，所述变色层和拒水层之间设有若干个空腔401，所述空腔内设有受挤压自动破溃的微囊402，所述微囊内填充有变色油墨4022。所述空腔401设置于变色层4的下表面或拒水层的上表面。所述空腔401为变色层和拒水层之间构成的半球形腔体。所述基布层1由纤度为5～7旦的海岛型尼龙超细纤维经聚氨酯浆料含浸制成。
如图2所示，所述微囊402包括具有球形内腔的本体4021，所述变色油墨4022填充于本体内的球形内腔中，所述本体的外表面上设有具有弹性的弹片4023，所述弹片的两端分别设有刺头4024，所述刺头的刺尖朝向本体表面设置。
本发明的原理为：
在变色PU革受外力拉伸时，拒水层和变色层之间的空腔会受到挤压，空腔的内壁运动接触弹片，弹片两端移动使得刺头刺向微囊的本体表面，微囊被刺头刺入而破溃，微囊本体中的变色油墨自动流出浸润变色层，从而为变色层持续补充变色油墨，而微囊本体的内腔为球形，变色油墨液面至微囊本体表面受刺头穿刺的破溃口下方时，变色油墨将不再流出，变色PU革受下次拉伸时，微囊受到挤压冲击，变色油墨将会少量溅出，从而长期浸润变色层，变色PU革不会因变色油墨的流失而快速的失去变色效果，从而延长了变色PU革的使用寿命。
以上就本发明较佳的实施例做了说明，但不能理解为是对权力要求的限制。本发明不仅局限于以上实施例，其具体结构允许有变化，本领域技术人员可以根据本发明作出各种改变和变形，只要不脱离本发明的精神，均属于本发明所附权利要求所定义的范围。

Claims (3)

1.一种冷压烙印变色PU革，包括基布层(1)，所述基布层上复合设置有聚氨酯粘接层(2)，其特征在于：所述聚氨酯粘接层上设置有拒水层(3)，所述拒水层上复合设置有变色层(4)，所述变色层上复合设置有聚氨酯面层(5)，所述变色层和拒水层之间设有若干个空腔(401)，所述空腔内设有受挤压自动破溃的微囊(402)，所述微囊内填充有变色油墨(4022)，所述微囊(402)包括具有球形内腔的本体(4021)，所述变色油墨(4022)填充于本体内的球形内腔中，所述本体的外表面上设有具有弹性的弹片(4023)，所述弹片的两端分别设有刺头(4024)，所述刺头的刺尖朝向本体表面设置，所述基布层(1)由纤度为5～7旦的海岛型尼龙超细纤维经聚氨酯浆料含浸制成。
2.根据权利要求1所述的一种冷压烙印变色PU革，其特征在于：所述空腔(401)设置于变色层(4)的下表面或拒水层的上表面。
3.根据权利要求2所述的一种冷压烙印变色PU革，其特征在于：所述空腔(401)为变色层和拒水层之间构成的半球形腔体。
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US5807409A (en) * 1996-10-30 1998-09-15 Rohm And Haas Company Method of improving pull-up characteristic of leather substrate and modified finishing oil used therein
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CN101736599A (zh) * 2008-11-25 2010-06-16 苏州宝泽高分子材料有限公司 一种压花双色革
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CN102650103B (zh) * 2012-05-23 2014-01-29 安徽安利合成革股份有限公司 一种具有拒水性能的聚氨酯合成革的制备方法
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