CN106283703A - 一种薄型超纤服装革的生产方法 - Google Patents

一种薄型超纤服装革的生产方法 Download PDF

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CN106283703A
CN106283703A CN201610695045.4A CN201610695045A CN106283703A CN 106283703 A CN106283703 A CN 106283703A CN 201610695045 A CN201610695045 A CN 201610695045A CN 106283703 A CN106283703 A CN 106283703A
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polyurethane resin
woven fabrics
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production method
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翟国才
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SHANDONG FRIENDSHIP MACHINERY CO Ltd
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Abstract

本发明涉及一种薄型超纤服装革的生产方法，包括以下步骤：1）复合纤维的纺制；2）无纺布的制作；3）无纺布的定型；4）配制聚氨酯树脂工作液；5）涂刮聚氨酯树脂工作液；6）后整理。与现有技术相比较具有垂感好、透气透湿性强、触感优的特点。

Description

一种薄型超纤服装革的生产方法
技术领域
本发明涉及超纤合成革技术领域，具体地说是一种薄型超纤服装革的生产方法。
背景技术
随着生活品质的提高，服装用料趋向差异化、高端化、高品质方向发展，全球超纤市场以服装用超纤绒面革为高端产品为代表。超纤纤维合成材料是目前代替天然皮革最理想的产品，不但具有类似天然皮革的微观结构和外观形态，并且在物理机械性能方面超过天然皮革，超纤纤维合成材料是以双组分合成纤维为原材料，通过针刺制成具有空间立体结构的非织造布，经过聚氨酯树脂加工形成的产品，传统生产超纤皮革的方法一般采用含浸法，此方式无法实现精确定量，产品质量波动大，品质不稳定，目前也出现一些了一些通过在基布正反面涂刮的方法生产超纤皮革，生产出的产品质量比较稳定，可在运动鞋、沙发、汽车内饰、箱包、球类等生产领域得到广泛应用，但是作为超纤服装革用于服装生产仍然具有垂感不足、触感差、透气透湿性差等诸多不足，而且传统薄型服装革因资源有限多用于服装附料，起装饰性作用，无法大面积用于面料生产，因此一种垂感好、触感优、透气透湿性强、且能持续生产的薄型服装革的生产方法是非常有必要的。
发明内容
本发明提出一种薄型超纤服装革的生产方法。
本发明的技术方案是这样实现的：一种薄型超纤服装革的生产方法，包括以下步骤：
1）复合纤维的纺制：以尼龙6 和低密度聚乙烯为原料纺制出海岛型复合纤维，海岛型复合纤维中的岛组分为尼龙6，海组分为低密度聚乙烯；
2）无纺布的制作：用步骤1）所制作的海岛型复合纤维经针刺工艺生产平均克重400g/㎡-500g/㎡的非织造布；
3）无纺布的定型：对步骤2）制得的非织造布加热，并通过轧辊对其进行定型，定型厚度控制在0.9-1.9㎜；
4）配制聚氨酯树脂工作液：在反应釜内先加入二甲基甲酰胺，再加入碳酸钙，搅拌20-30min后加入聚氨酯树脂搅拌3-4h，控制二甲基甲酰胺、碳酸钙和聚氨酯树脂的加入质量比为75-85:15-20:140-160，控制聚氨酯树脂工作液的固含量为18%-22%，粘度为6500cps-7500cps；
5）涂刮聚氨酯树脂工作液：在无纺布正面涂刮步骤4）所制得的聚氨酯树脂工作液，涂层厚度为0.8mm，通过轧辊将聚氨酯树脂工作液强制压入无纺布内，然后在无纺布背面涂刮厚度为0.8mm的上述聚氨酯树脂工作液，通过轧辊将聚氨酯树脂工作液强制压入无纺布内，每对轧辊之间的间隙为（布厚－0.3mm）~（布厚－0.2mm），以保证聚氨酯树脂工作液充分浸入基布中，无纺布的正面和背面涂刮厚度均为0.8mm，实现聚氨酯树脂工作液的精确定量，保证产品质量的稳定性；二甲基甲酰胺能够稀释聚氨酯树脂，保证聚氨酯树脂工作液以低粘度、低固含量的形式快速、充分浸入无纺布内部，且能保证所生产出的产品质地柔软、触感优；基布的正面和反面涂刮相同厚度的聚氨酯树脂工作液，且粘度和固含量均相同，可以保证所生产出的超纤服装革正面和背面一致性优良，更适用于服装的生产；碳酸钙采用1200目碳酸钙，加入碳酸钙的目的一方面能够起到增重、提高垂感、保证触感的作用，另一方面，高目数的碳酸钙能影响聚氨酯树脂的凝固状态，使聚氨酯树脂成膜时形成微孔结构，增加了透气透湿性，也为后加工染色时形成良好的通透性，而且更利于染料分子在基布中的扩散，匀染性、染透性、颜色均一性会变佳，扩大后期的服装生产范围；
6）后整理：将步骤5）制成的基布经过一系列的后整理工序，加工制成客户需要的样品。
作为优选的技术方案，步骤1）中所述尼龙6和低密度聚乙烯的质量比为50∶50-60∶40。
作为优选的技术方案，步骤2）中所述无纺布的制作工艺参数要求为针刺频率500-1500 刺/min、针刺密度1000-2000 刺/m2、铺网层数25-40 层和无纺布的车速2-5m/min。
作为优选的技术方案，步骤3）中将非织造布放在130℃的烘箱内加热5-6min。
作为优选的技术方案，所述的后整理工序包括：片皮、磨毛、染色处理。
作为优选的技术方案，所述聚氨酯树脂为旭川化学有限公司生产的HT35和31S两种聚氨酯树脂，HT35和31S两种聚氨酯树脂按质量比为2：1的比例混合。
由于采用了上述技术方案，本发明具有以下突出的有益效果：
1、通过对无纺布正面和背面涂刮聚氨酯树脂工作液的方式，无纺布的正面和背面涂刮厚度均为0.8mm，实现了聚氨酯树脂工作液的精确定量，保证产品质量的稳定性；
2、二甲基甲酰胺能够稀释聚氨酯树脂，保证聚氨酯树脂工作液以低粘度、低固含量的形式快速、充分浸入无纺布内部，无纺布正面和背面均涂刮低粘度、低固含量的聚氨酯树脂工作液，能保证所生产出的产品质地柔软、触感优；
3、基布的正面和反面涂刮相同厚度的聚氨酯树脂工作液，且粘度和固含量均相同，可以保证所生产出的超纤服装革正面和背面一致性优良，更适用于服装的生产；
4、在聚氨酯树脂工作液中添加碳酸钙，碳酸钙采用1200目的碳酸钙，加入碳酸钙的目的一方面能够起到增重、提高垂感、保证触感的作用，另一方面，高目数的碳酸钙能影响聚氨酯树脂的凝固状态，使聚氨酯树脂成膜时形成微孔结构，增加了透气透湿性，也为后加工染色时形成良好的通透性，而且更利于染料分子在基布中的扩散，匀染性、染透性、颜色均一性会变佳，扩大后期的服装生产范围。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
实施例1
一种薄型超纤服装革的生产方法，包括以下步骤：
1）复合纤维的纺制：以尼龙6和低密度聚乙烯按50∶50的质量比混合，通过螺杆挤压机挤压熔融，控制温度为245℃，经过牵伸、上油、卷曲工序纺制出海岛型复合纤维；
2）无纺布的制作：用步骤1）所制作的海岛型复合纤维，设定针刺频率500-1500 刺/min、针刺密度1000-2000刺/m2、铺网层数25层、车速2m/min，生产出平均克重为400g/㎡非织造布；
3）无纺布的定型：对步骤2）制得的非织造布放在130℃的烘箱内加热5min，随后通过轧辊对其进行定型，定型厚度为0.9㎜；
4）配制聚氨酯树脂工作液：在反应釜内先加入二甲基甲酰胺，再加入碳酸钙，搅拌20min后加入聚氨酯树脂搅拌3h，控制二甲基甲酰胺、碳酸钙和聚氨酯树脂的加入质量比为75:15:140，控制聚氨酯树脂工作液的固含量为18%，粘度为6500cps，其中聚氨酯树脂为旭川化学有限公司生产的HT35和31S两种聚氨酯树脂，HT35和31S两种聚氨酯树脂按质量比为2：1的比例混合；
5）涂刮聚氨酯树脂工作液：在无纺布正面涂刮步骤4）所制得的聚氨酯树脂工作液，涂层厚度为0.8mm，通过轧辊将聚氨酯树脂工作液强制压入无纺布内，然后在无纺布背面涂刮厚度为0.8mm的上述聚氨酯树脂工作液，通过轧辊将聚氨酯树脂工作液强制压入无纺布内，每对轧辊之间的间隙为0.6mm；
6）后整理：将步骤5）制成的基布经过片皮、磨毛、染色一系列的后整理工序，加工制成客户需要的样品。
实施例2
一种薄型超纤服装革的生产方法，包括以下步骤：
1）复合纤维的纺制：以尼龙6和低密度聚乙烯按55∶45的质量比混合，通过螺杆挤压机挤压熔融，控制温度为260℃，经过牵伸、上油、卷曲工序纺制出海岛型复合纤维；
2）无纺布的制作：用步骤1）所制作的海岛型复合纤维，设定针刺频率500-1500 刺/min、针刺密度1000-2000刺/m2、铺网层数35层、车速4m/min，生产出平均克重为450g/㎡非织造布。
3）无纺布的定型：对步骤2）制得的非织造布放在130℃的烘箱内加热5min，随后通过轧辊对其进行定型，定型厚度为1.4㎜；
4）配制聚氨酯树脂工作液：在反应釜内先加入二甲基甲酰胺，再加入碳酸钙，搅拌25min后加入聚氨酯树脂搅拌3.5h，控制二甲基甲酰胺、碳酸钙和聚氨酯树脂的加入质量比为80:17:150，控制聚氨酯树脂工作液的固含量为20%，粘度为7000cps，其中聚氨酯树脂为旭川化学有限公司生产的HT35和31S两种聚氨酯树脂，HT35和31S两种聚氨酯树脂按质量比为2：1的比例混合；
5）涂刮聚氨酯树脂工作液：在无纺布正面涂刮步骤4）所制得的聚氨酯树脂工作液，涂层厚度为0.8mm，通过轧辊将聚氨酯树脂工作液强制压入无纺布内，然后在无纺布背面涂刮厚度为0.8mm的上述聚氨酯树脂工作液，通过轧辊将聚氨酯树脂工作液强制压入无纺布内，每对轧辊之间的间隙为1.1mm；
6）后整理：将步骤5）制成的基布经过片皮、磨毛、染色一系列的后整理工序，加工制成客户需要的样品。
实施例3
一种薄型超纤服装革的生产方法，包括以下步骤：
1）复合纤维的纺制：以尼龙6和低密度聚乙烯按60∶40的质量比混合，通过螺杆挤压机挤压熔融，控制温度为270℃，经过牵伸、上油、卷曲工序纺制出海岛型复合纤维；
2）无纺布的制作：用步骤1）所制作的海岛型复合纤维，设定针刺频率500-1500 刺/min、针刺密度1000-2000刺/m2、铺网层数40层、车速5m/min，生产出平均克重为500g/㎡非织造布。
3）无纺布的定型：对步骤2）制得的非织造布放在130℃的烘箱内加热6min，随后通过轧辊对其进行定型，定型厚度为1.9㎜；
4）配制聚氨酯树脂工作液：在反应釜内先加入二甲基甲酰胺，再加入碳酸钙，搅拌30min后加入聚氨酯树脂搅拌4h，控制二甲基甲酰胺、碳酸钙和聚氨酯树脂的加入质量比为85:20:160，控制聚氨酯树脂工作液的固含量为22%，粘度为7500cps，其中聚氨酯树脂为旭川化学有限公司生产的HT35和31S两种聚氨酯树脂，HT35和31S两种聚氨酯树脂按质量比为2：1的比例混合；
5）涂刮聚氨酯树脂工作液：在无纺布正面涂刮步骤4）所制得的聚氨酯树脂工作液，涂层厚度为0.8mm，通过轧辊将聚氨酯树脂工作液强制压入无纺布内，然后在无纺布背面涂刮厚度为0.8mm的上述聚氨酯树脂工作液，通过轧辊将聚氨酯树脂工作液强制压入无纺布内，每对轧辊之间的间隙为1.6mm；
6）后整理：将步骤5）制成的基布经过片皮、磨毛、染色一系列的后整理工序，加工制成客户需要的样品。
实施例4
一种薄型超纤服装革的生产方法，包括以下步骤：
1）复合纤维的纺制：以尼龙6和低密度聚乙烯按55∶45的质量比混合，通过螺杆挤压机挤压熔融，控制温度为260℃，经过牵伸、上油、卷曲工序纺制出海岛型复合纤维；
2）无纺布的制作：用步骤1）所制作的海岛型复合纤维，设定针刺频率500-1500 刺/min、针刺密度1000-2000刺/m2、铺网层数35层、车速4m/min，生产出平均克重为450g/㎡非织造布。
3）无纺布的定型：对步骤2）制得的非织造布放在130℃的烘箱内加热5min，随后通过轧辊对其进行定型，定型厚度为1.4㎜；
4）配制聚氨酯树脂工作液：在反应釜内先加入二甲基甲酰胺，再加入碳酸钙，搅拌25min后加入聚氨酯树脂搅拌3.5h，控制二甲基甲酰胺、碳酸钙和聚氨酯树脂的加入质量比为80:17:150，控制聚氨酯树脂工作液的固含量为20%，粘度为7000cps，其中聚氨酯树脂为旭川化学有限公司生产的HT35和31S两种聚氨酯树脂，HT35和31S两种聚氨酯树脂按质量比为2：1的比例混合；
5）涂刮聚氨酯树脂工作液：在无纺布正面涂刮步骤4）所制得的聚氨酯树脂工作液，涂层厚度为0.8mm，通过轧辊将聚氨酯树脂工作液强制压入无纺布内，然后在无纺布背面涂刮厚度为0.8mm的上述聚氨酯树脂工作液，通过轧辊将聚氨酯树脂工作液强制压入无纺布内，每对轧辊之间的间隙为1.2mm；
6）后整理：将步骤5）制成的基布经过片皮、磨毛、染色一系列的后整理工序，加工制成客户需要的样品。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (6)

1.一种薄型超纤服装革的生产方法，其特征在于，包括以下步骤：
1)复合纤维的纺制：以尼龙6和低密度聚乙烯为原料纺制出海岛型复合纤维，海岛型复合纤维中的岛组分为尼龙6，海组分为低密度聚乙烯；
2)无纺布的制作：用步骤1)所制作的海岛型复合纤维经针刺工艺生产平均克重400g/㎡-500g/㎡的非织造布；
3)无纺布的定型：对步骤2)制得的非织造布加热，并通过轧辊对其进行定型，定型厚度控制在0.9-1.9㎜；
4)配制聚氨酯树脂工作液：在反应釜内先加入二甲基甲酰胺，再加入碳酸钙，搅拌20-30min后加入聚氨酯树脂搅拌3-4h，控制二甲基甲酰胺、碳酸钙和聚氨酯树脂的加入质量比为75-85:15-20:140-160，控制聚氨酯树脂工作液的固含量为18％-22％，粘度为6500cps-7500cps；
5)涂刮聚氨酯树脂工作液：在无纺布正面涂刮步骤4)所制得的聚氨酯树脂工作液，涂层厚度为0.8mm，通过轧辊将聚氨酯树脂工作液强制压入无纺布内，然后在无纺布背面涂刮厚度为0.8mm的上述聚氨酯树脂工作液，通过轧辊将聚氨酯树脂工作液强制压入无纺布内，每对轧辊之间的间隙为(布厚－0.3mm)～(布厚－0.2mm)；
6)后整理：将步骤5)制成的基布经过一系列的后整理工序，加工制成客户需要的样品。
2.按照权利要求1所述的一种薄型超纤服装革的生产方法，其特征在于：步骤1)中所述尼龙6和低密度聚乙烯的质量比为50∶50-60∶40。
3.按照权利要求1所述的一种薄型超纤服装革的生产方法，其特征在于：步骤2)中所述无纺布的制作工艺参数要求为针刺频率500-1500刺/min、针刺密度1000-2000刺/m2、铺网层数25-40层和无纺布的车速2-5m/min。
4.按照权利要求1所述的一种薄型超纤服装革的生产方法，其特征在于：步骤3)中将非织造布放在130℃的烘箱内加热5-6min。
5.按照权利要求1所述的一种薄型超纤服装革的生产方法，其特征在于：所述的后整理工序包括：片皮、磨毛、染色处理。
6.按照权利要求1所述的一种薄型超纤服装革的生产方法，其特征在于：所述聚氨酯树脂为旭川化学有限公司生产的HT35和31S两种聚氨酯树脂，HT35和31S两种聚氨酯树脂按质量比为2：1的比例混合。
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