CN110744907A - 一种高耐磨pu人造革及其制备工艺 - Google Patents

一种高耐磨pu人造革及其制备工艺 Download PDF

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CN110744907A
CN110744907A CN201910989273.6A CN201910989273A CN110744907A CN 110744907 A CN110744907 A CN 110744907A CN 201910989273 A CN201910989273 A CN 201910989273A CN 110744907 A CN110744907 A CN 110744907A
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layer
cotton
wear
resistant
artificial leather
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张云
王维山
张纯林
崔博
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Zhejiang Haofeng Synthetic Leather Co Ltd
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Zhejiang Haofeng Synthetic Leather Co Ltd
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    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
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    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
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    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
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    • 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
    • D06N3/146—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 characterised by the macromolecular diols used
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    • 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
    • D06N3/147—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 characterised by the isocyanates used
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Abstract

本发明公开了一种高耐磨PU人造革及其制备工艺，包括PU基底层，所述PU基底层的下表面固定贴合有无纺布层，所述PU基底层的内部固定镶嵌有棉麻补强层，所述棉麻补强层的下表面固定贴合有横向尼龙纤维，所述棉麻补强层的上表面固定贴合有纵向尼龙纤维，所述横向尼龙纤维和纵向尼龙纤维均固定包覆于PU基底层的内部，所述PU基底层的上表面通过热熔胶层固定复合有棉布层，所述棉布层的上表面固定粘连有UV粘胶层，所述UV粘胶层的上表面固定粘连有绒毛层，采用多层复合结构，结合内部的棉麻补强层，可以有效提高抗拉抗压性能，避免断裂，同时再表面复合棉布层和绒毛层，大大提高使用效果，保证使用稳定性，有助于推广使用。

Description

一种高耐磨PU人造革及其制备工艺
技术领域
本发明涉及人造革术领域，尤其涉及一种高耐磨PU人造革及其制备工艺。
背景技术
在现在的社会生活中，人造革的使用非常广泛，尤其是PU人造革，能够根据不同的需求进行生产制作，满足了人们再不同领域的需求。
但是现有的PU人造革多是简单的基层结构，内部结构稳定性较差，容易变质开裂，甚至剥落，影响使用的稳定性，而且其表面性能较差，使用舒适性不高，采用的材料以及工艺方式，不能够保证基本耐磨性，有待进行改进。
发明内容
本发明的目的是为了解决现有技术中存在的缺点，而提出的一种高耐磨PU人造革及其制备工艺。
为了实现上述目的，本发明采用了如下技术方案：
一种高耐磨PU人造革及其制备工艺，包括PU基底层，所述PU基底层的下表面固定贴合有无纺布层，所述PU基底层的内部固定镶嵌有棉麻补强层，所述棉麻补强层的下表面固定贴合有横向尼龙纤维，所述棉麻补强层的上表面固定贴合有纵向尼龙纤维，所述横向尼龙纤维和纵向尼龙纤维均固定包覆于PU基底层的内部，所述PU基底层的上表面通过热熔胶层固定复合有棉布层，所述棉布层的上表面固定粘连有UV粘胶层，所述UV粘胶层的上表面固定粘连有绒毛层。
优选的，所述高耐磨PU人造革的制备工艺包括如下步骤：
S1、选取耐磨PU原料，投入到加热炉中，加热至180摄氏度至190摄氏度至熔融状态，均匀就搅拌提高原料混合均匀度；
S2、将熔融原料涂布到无纺布表层，形成第一层涂层；
S3、将尼龙纤维铺设到第一涂层上，形成横向尼龙纤维，然后覆盖棉麻布，再纵向铺设尼龙纤维形成纵向尼龙纤维，形成棉麻补强层；
S4、再棉麻补强层上进行第二次涂布，浸透棉麻补强层，形成完整PU涂层，得到PU基底层；
S5、选取绒毛材料，通过磨碎的机械方式制备绒毛纤维，并且采用电荷同行相斥异性相吸的特性，采用电荷吸附绒毛纤维，粘连负电荷；
S6、将棉布层表面涂布UV粘胶层，并且进行接地后靠近绒毛纤维，绒毛纤维被垂直粘连到UV粘胶层表面，进行植绒处理，得到植绒棉布；
S7、采用热熔胶将植绒棉布的下层和PU基底层的上层进行热熔复合，得到人造革坯料；
S8、将人造革坯料放置于烘干箱中进行烘干处理，然后冷却降温，即可得到高耐磨PU人造革。
优选的，所述S1步骤的PU原料为耐磨聚氨酯，包括聚酯多元醇30%-50%、异氰酸酯20%-40%、乙二醇10%-20%、辛酸亚锡催化剂3%-8%、抗氧化剂5%-10%和耐磨添加剂6%-12%。
优选的，所述耐磨聚氨酯的制备工艺包括如下步骤：
P1、按照质量百分比称量各原料，备用；
P2、将聚酯多元醇、异氰酸酯和乙二醇加入反应釜，均匀搅拌15分钟至25分钟，得到混和原料；
P3、将混合原料加热至80摄氏度至95摄氏度，投入辛酸亚锡催化剂，保持均匀搅拌，反应3小时至4小时，得到反应产物；
P4、将抗氧化剂和耐磨添加剂投入到反应产物中，均匀搅拌30分钟至45分钟，即可得到所述耐磨聚氨酯。
优选的，所述耐磨添加剂为纳米陶瓷粉末和玻璃纤维的一种。
优选的，所述S4和S2步骤中，第二次涂布厚度是第一次涂布厚度的两倍。
优选的，所述S5步骤的绒毛材料包括涤纶纤维、棉纤维和麻纤维的一种。
优选的，所述S8步骤的烘干温度为60摄氏度至70摄氏度，烘干时间为30分钟至50分钟。
优选的，所述S8步骤的冷却方式为自然冷却和强制通风冷却的一种。
本发明提供的一种高耐磨PU人造革及其制备工艺通过采用多层复合结构，结合内部的棉麻补强层，可以有效提高抗拉抗压性能，避免断裂，同时再表面复合棉布层和绒毛层，提高使用舒适度，同时采用合理的材料配比，利于控制工艺流程，并且提高基层耐磨性，大大提高使用效果，保证使用稳定性，有助于推广使用。
附图说明
图1为本发明的人造革截面结构示意图。
图中：1 PU基底层、11无纺布层、12棉麻补强层、13横向尼龙限位、14纵向尼龙限位、15热熔胶层、16棉布层、17 UV粘胶层、18绒毛层。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合具体实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
实施例1
一种高耐磨PU人造革及其制备工艺，包括PU基底层1，所述PU基底层1的下表面固定贴合有无纺布层11，所述PU基底层1的内部固定镶嵌有棉麻补强层12，所述棉麻补强层12的下表面固定贴合有横向尼龙纤维13，所述棉麻补强层12的上表面固定贴合有纵向尼龙纤维14，所述横向尼龙纤维13和纵向尼龙纤维14均固定包覆于PU基底层1的内部，所述PU基底层1的上表面通过热熔胶层15固定复合有棉布层16，所述棉布层16的上表面固定粘连有UV粘胶层17，所述UV粘胶层17的上表面固定粘连有绒毛层18。
优选的，所述高耐磨PU人造革的制备工艺包括如下步骤：
S1、选取耐磨PU原料，投入到加热炉中，加热至180摄氏度至190摄氏度至熔融状态，均匀就搅拌提高原料混合均匀度；
S2、将熔融原料涂布到无纺布表层，形成第一层涂层；
S3、将尼龙纤维铺设到第一涂层上，形成横向尼龙纤维，然后覆盖棉麻布，再纵向铺设尼龙纤维形成纵向尼龙纤维，形成棉麻补强层；
S4、再棉麻补强层上进行第二次涂布，浸透棉麻补强层，形成完整PU涂层，得到PU基底层；
S5、选取绒毛材料，通过磨碎的机械方式制备绒毛纤维，并且采用电荷同行相斥异性相吸的特性，采用电荷吸附绒毛纤维，粘连负电荷；
S6、将棉布层表面涂布UV粘胶层，并且进行接地后靠近绒毛纤维，绒毛纤维被垂直粘连到UV粘胶层表面，进行植绒处理，得到植绒棉布；
S7、采用热熔胶将植绒棉布的下层和PU基底层的上层进行热熔复合，得到人造革坯料；
S8、将人造革坯料放置于烘干箱中进行烘干处理，然后冷却降温，即可得到高耐磨PU人造革。
优选的，所述S1步骤的PU原料为耐磨聚氨酯，包括聚酯多元醇40%、异氰酸酯20%、乙二醇20%、辛酸亚锡催化剂6%、抗氧化剂6%和耐磨添加剂8%。
优选的，所述耐磨聚氨酯的制备工艺包括如下步骤：
P1、按照质量百分比称量各原料，备用；
P2、将聚酯多元醇、异氰酸酯和乙二醇加入反应釜，均匀搅拌15分钟至25分钟，得到混和原料；
P3、将混合原料加热至80摄氏度至95摄氏度，投入辛酸亚锡催化剂，保持均匀搅拌，反应3小时至4小时，得到反应产物；
P4、将抗氧化剂和耐磨添加剂投入到反应产物中，均匀搅拌30分钟至45分钟，即可得到所述耐磨聚氨酯。
优选的，所述耐磨添加剂为纳米陶瓷粉末和玻璃纤维的一种。
优选的，所述S4和S2步骤中，第二次涂布厚度是第一次涂布厚度的两倍。
优选的，所述S5步骤的绒毛材料包括涤纶纤维。
优选的，所述S8步骤的烘干温度为70摄氏度，烘干时间为30分钟。
优选的，所述S8步骤的冷却方式为强制通风冷却。
实施例2
一种高耐磨PU人造革及其制备工艺，包括PU基底层1，所述PU基底层1的下表面固定贴合有无纺布层11，所述PU基底层1的内部固定镶嵌有棉麻补强层12，所述棉麻补强层12的下表面固定贴合有横向尼龙纤维13，所述棉麻补强层12的上表面固定贴合有纵向尼龙纤维14，所述横向尼龙纤维13和纵向尼龙纤维14均固定包覆于PU基底层1的内部，所述PU基底层1的上表面通过热熔胶层15固定复合有棉布层16，所述棉布层16的上表面固定粘连有UV粘胶层17，所述UV粘胶层17的上表面固定粘连有绒毛层18。
优选的，所述高耐磨PU人造革的制备工艺包括如下步骤：
S1、选取耐磨PU原料，投入到加热炉中，加热至180摄氏度至熔融状态，均匀就搅拌提高原料混合均匀度；
S2、将熔融原料涂布到无纺布表层，形成第一层涂层；
S3、将尼龙纤维铺设到第一涂层上，形成横向尼龙纤维，然后覆盖棉麻布，再纵向铺设尼龙纤维形成纵向尼龙纤维，形成棉麻补强层；
S4、再棉麻补强层上进行第二次涂布，浸透棉麻补强层，形成完整PU涂层，得到PU基底层；
S5、选取绒毛材料，通过磨碎的机械方式制备绒毛纤维，并且采用电荷同行相斥异性相吸的特性，采用电荷吸附绒毛纤维，粘连负电荷；
S6、将棉布层表面涂布UV粘胶层，并且进行接地后靠近绒毛纤维，绒毛纤维被垂直粘连到UV粘胶层表面，进行植绒处理，得到植绒棉布；
S7、采用热熔胶将植绒棉布的下层和PU基底层的上层进行热熔复合，得到人造革坯料；
S8、将人造革坯料放置于烘干箱中进行烘干处理，然后冷却降温，即可得到高耐磨PU人造革。
优选的，所述S1步骤的PU原料为耐磨聚氨酯，包括聚酯多元醇40%、异氰酸酯30%、乙二醇10%、辛酸亚锡催化剂5%、抗氧化剂8%和耐磨添加剂7%。
优选的，所述耐磨聚氨酯的制备工艺包括如下步骤：
P1、按照质量百分比称量各原料，备用；
P2、将聚酯多元醇、异氰酸酯和乙二醇加入反应釜，均匀搅拌15分钟至25分钟，得到混和原料；
P3、将混合原料加热至80摄氏度至95摄氏度，投入辛酸亚锡催化剂，保持均匀搅拌，反应3小时至4小时，得到反应产物；
P4、将抗氧化剂和耐磨添加剂投入到反应产物中，均匀搅拌30分钟至45分钟，即可得到所述耐磨聚氨酯。
优选的，所述耐磨添加剂为纳米陶瓷粉末和玻璃纤维的一种。
优选的，所述S4和S2步骤中，第二次涂布厚度是第一次涂布厚度的两倍。
优选的，所述S5步骤的绒毛材料包括麻纤维。
优选的，所述S8步骤的烘干温度为60摄氏度，烘干时间为50分钟。
优选的，所述S8步骤的冷却方式为自然冷却。

Claims (9)

1.一种高耐磨PU人造革及其制备工艺，包括PU基底层（1），其特征在于：所述PU基底层（1）的下表面固定贴合有无纺布层（11），所述PU基底层（1）的内部固定镶嵌有棉麻补强层（12），所述棉麻补强层（12）的下表面固定贴合有横向尼龙纤维（13），所述棉麻补强层（12）的上表面固定贴合有纵向尼龙纤维（14），所述横向尼龙纤维（13）和纵向尼龙纤维（14）均固定包覆于PU基底层（1）的内部，所述PU基底层（1）的上表面通过热熔胶层（15）固定复合有棉布层（16），所述棉布层（16）的上表面固定粘连有UV粘胶层（17），所述UV粘胶层（17）的上表面固定粘连有绒毛层（18）。
2.根据所述权利要求1的一种高耐磨PU人造革及其制备工艺，其特征在于：所述高耐磨PU人造革的制备工艺包括如下步骤：
S1、选取耐磨PU原料，投入到加热炉中，加热至180摄氏度至190摄氏度至熔融状态，均匀就搅拌提高原料混合均匀度；
S2、将熔融原料涂布到无纺布表层，形成第一层涂层；
S3、将尼龙纤维铺设到第一涂层上，形成横向尼龙纤维，然后覆盖棉麻布，再纵向铺设尼龙纤维形成纵向尼龙纤维，形成棉麻补强层；
S4、再棉麻补强层上进行第二次涂布，浸透棉麻补强层，形成完整PU涂层，得到PU基底层；
S5、选取绒毛材料，通过磨碎的机械方式制备绒毛纤维，并且采用电荷同行相斥异性相吸的特性，采用电荷吸附绒毛纤维，粘连负电荷；
S6、将棉布层表面涂布UV粘胶层，并且进行接地后靠近绒毛纤维，绒毛纤维被垂直粘连到UV粘胶层表面，进行植绒处理，得到植绒棉布；
S7、采用热熔胶将植绒棉布的下层和PU基底层的上层进行热熔复合，得到人造革坯料；
S8、将人造革坯料放置于烘干箱中进行烘干处理，然后冷却降温，即可得到高耐磨PU人造革。
3.根据所述权利要求2的一种高耐磨PU人造革及其制备工艺，其特征在于：所述S1步骤的PU原料为耐磨聚氨酯，包括聚酯多元醇30%-50%、异氰酸酯20%-40%、乙二醇10%-20%、辛酸亚锡催化剂3%-8%、抗氧化剂5%-10%和耐磨添加剂6%-12%。
4.根据所述权利要求3的一种高耐磨PU人造革及其制备工艺，其特征在于：所述耐磨聚氨酯的制备工艺包括如下步骤：
P1、按照质量百分比称量各原料，备用；
P2、将聚酯多元醇、异氰酸酯和乙二醇加入反应釜，均匀搅拌15分钟至25分钟，得到混和原料；
P3、将混合原料加热至80摄氏度至95摄氏度，投入辛酸亚锡催化剂，保持均匀搅拌，反应3小时至4小时，得到反应产物；
P4、将抗氧化剂和耐磨添加剂投入到反应产物中，均匀搅拌30分钟至45分钟，即可得到所述耐磨聚氨酯。
5.根据所述权利要求3的一种高耐磨PU人造革及其制备工艺，其特征在于：所述耐磨添加剂为纳米陶瓷粉末和玻璃纤维的一种。
6.根据所述权利要求2的一种高耐磨PU人造革及其制备工艺，其特征在于：所述S4和S2步骤中，第二次涂布厚度是第一次涂布厚度的两倍。
7.根据所述权利要求2的一种高耐磨PU人造革及其制备工艺，其特征在于：所述S5步骤的绒毛材料包括涤纶纤维、棉纤维和麻纤维的一种。
8.根据所述权利要求2的一种高耐磨PU人造革及其制备工艺，其特征在于：所述S8步骤的烘干温度为60摄氏度至70摄氏度，烘干时间为30分钟至50分钟。
9.根据所述权利要求2的一种高耐磨PU人造革及其制备工艺，其特征在于：所述S8步骤的冷却方式为自然冷却和强制通风冷却的一种。
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