CN116289251A - 一种超薄超软夹网合成革的制备工艺 - Google Patents

一种超薄超软夹网合成革的制备工艺 Download PDF

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CN116289251A
CN116289251A CN202310273425.9A CN202310273425A CN116289251A CN 116289251 A CN116289251 A CN 116289251A CN 202310273425 A CN202310273425 A CN 202310273425A CN 116289251 A CN116289251 A CN 116289251A
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parts
soft
ultra
synthetic leather
sandwich
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张金聪
陈双
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Keyi Fujian Microfiber Co ltd
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Abstract

一种超薄超软夹网合成革的制备工艺，包括以下步骤：步骤一，先将夹网布送入装有含浸液的浸渍槽中进行含浸处理后，入水预凝固，然后置于90‑110℃的温度下进行整烫处理至夹网布的含液率为43‑47％，得含浸处理后的夹网布；步骤二，在含浸处理后的夹网布上涂布一层改性浆料，然后凝固成膜、再经水洗、烘干得基布；步骤三，将面层母粒送入螺杆挤出流延机熔融挤出，流延于基布上，冷却得所述夹网合成革；通过限定夹网合成革的原料组成，配合特定的制备工艺，以获得具有优异柔软度的夹网合成革。

Description

一种超薄超软夹网合成革的制备工艺
技术领域
本发明属于合成革制备领域，具体涉及一种超薄超软夹网合成革的制备工艺。
背景技术
目前，模拟天然革的组成和结构并可作为其代用材料的塑料制品，通常以经浸渍的无纺布为网状层，微孔聚氨脂层作为粒面层制得，其正、反面都与皮革十分相似，并具有一定的透气性，比普通人造革更接近天然革，广泛用于制作鞋、靴、箱包和球类等，为满足国内外不断提高的环保要求以及消费者日益增强的健康安全需求，生态合成革受到越来越多的青睐。
随着市场国际化的进展加快，服装革、箱包革和家具与室内装饰用革的产量将保持稳定增长，中高档、高附加值的超细纤维鞋类合成革和透气服装类合成革将随其开发不断拓展应用领域而快速增长，合成革产业发展前景看好。但是现有的合成革整体柔软程度较低，使用起来很不舒适，有待进一步改进。
发明内容
本发明的目的是克服现有技术的缺点，提供一种超薄超软夹网合成革的制备工艺。
本发明采用如下技术方案：
一种超薄超软夹网合成革的制备工艺，包括以下步骤：
步骤一，先将夹网布送入装有含浸液的浸渍槽中进行含浸处理后，入水预凝固，然后置于90-110℃的温度下进行整烫处理至夹网布的含液率为43-47％，得含浸处理后的夹网布；
步骤二，在含浸处理后的夹网布上涂布一层改性浆料，然后凝固成膜、再经水洗、烘干得基布；
步骤三，将面层母粒送入螺杆挤出流延机熔融挤出，流延于基布上，冷却得所述夹网合成革；
所述夹网布的制备方法包括以下步骤：
(1)按质量比将40-50％的涤纶纤维和50-60％的改性柔软纤维一起放入开包机内进行开包，使两种纤维混合得混合纤维；
(2)依次对混合纤维进行粗开松和精开松，使涤纶纤维和改性柔软纤维混合均匀，然后送入储棉箱中暂存；
(3)经喂棉箱将储棉箱中的混合纤维送入梳理机中进行梳理，使纤维充分分梳并组成网状纤维薄层，然后经铺网机将网状纤维薄层均匀折叠至所需的厚度和宽度；
(4)将经铺网机铺好的纤维网喂入针刺机内，使纤维相互交织,制备成针刺坯布；
(5)经烘干定型机对针刺坯布进行加热定型,以获得厚度为1.50-1.56mm的夹网布。
进一步的，所述改性柔软纤维由以下重量份的原料组成：聚丙烯80-90份、柔软母粒3-5份、聚醚型聚氨酯弹性体8-12份、硬脂酸酰胺2-3份、聚乙烯蜡3-5份。
进一步的，所述改性柔软纤维的制备方法包括以下步骤：
A、按所需重量份对各原料进行称重，然后放入搅拌机中，搅拌混合均匀得到混合料；
B、将获得的混合料输送到螺杆挤压机中熔融挤压，得到熔融浆料；
C、将获得的的熔融浆料过滤、计量后输入纺丝箱体内，经过喷丝孔喷丝，再经气流冷却牵伸形成所述改性柔软纤维。
进一步的，所述柔软母粒由以下重量份的原料组成：聚丙烯70-80份、聚醚型聚氨酯弹性体10-15份、壳聚糖1-3份、硬脂酸锌3-5份、氨基改性聚硅氧烷1-2份、聚乙烯醇树脂6-9份、聚丙烯酰胺1-2份。
进一步的，所述柔软母粒的制备方法包括以下步骤：
A、将各组分按所需重量份计量称重，然后将聚丙烯与聚醚型聚氨酯弹性体送入混合机中加热混合，得预混物；
B、将预混物与其他原料送入双螺杆挤出机中进行共混、挤出、牵引、切粒，以获得柔软母粒。
进一步的，所述改性浆料由以下重量份的原料组成：N,N-二甲基甲酰胺1000份、木粉35份、活性剂10份、回软剂9份、色浆30份、聚氨酯树脂2600份。
进一步的，所述含浸液由以下重量份的原料组成：N,N-二甲基甲酰胺1500份、脂肪醇聚氧乙烯醚硫酸钠10-15份、聚氨酯树脂2000份。
进一步的，步骤二，具体包括：在含浸处理后的夹网布上涂布一层改性浆料，然后经浓度为28-32％的DMF溶液凝固后，依次送入第一水槽、第二水槽中进行一次水洗与二次水洗，最后在160-180℃下烘干，得基布；其中，第一水槽中的水温为70-90℃，第二水槽的温度为30-40℃。
进一步的，步骤三中，面层母粒送入螺杆挤出流延机前，先在75-80℃下，干燥3-4h。
进一步的，步骤(5)中，烘干定型机的温度为133-137℃。
由上述对本发明的描述可知，与现有技术相比，本发明的有益效果是：
本申请通过限定夹网合成革的原料组成，配合特定的制备工艺，以获得具有优异柔软度的夹网合成革，其中，限定夹网布的制备方法，并进一步限定夹网布的原料组成，添加硬脂酸酰胺、聚乙烯蜡与其他原料混用，以增加各原料之间的相容性和粘结性，提高制得的夹网布的柔软性和平滑性，使制备的夹网布、弹性好且触感柔软；
具体限定柔软母粒的原料组成，添加硬脂酸锌、氨基改性聚氧硅烷、聚乙烯醇树脂作润滑添加剂，配合其他原料，以使制备的改性柔软纤维具有良好的柔软效果且回弹性好，保证夹网布制备过程中，不断丝、不堵丝；同时可进一步提高制备的夹网布的柔软度及弹性。
具体实施方式
以下通过具体实施方式对本发明作进一步的描述。
一种超薄超软夹网合成革的制备工艺，包括以下步骤：
步骤一，先将夹网布送入装有含浸液的浸渍槽中进行含浸处理后，入水预凝固，然后置于90-110℃的温度下进行整烫处理至夹网布的含液率为43-47％，得含浸处理后的夹网布；
步骤二，在含浸处理后的夹网布上涂布一层改性浆料，然后经浓度为28-32％的DMF溶液凝固后，依次送入第一水槽、第二水槽中进行一次水洗与二次水洗，最后在160-180℃下烘干，得基布；其中，第一水槽中的水温为70-90℃，第二水槽的温度为30-40℃；
步骤三，将面层母粒先在75-80℃下，干燥3-4h，然后送入螺杆挤出流延机熔融挤出，流延于基布上，冷却得所述夹网合成革，其中，流延厚度为35-45丝。
其中，含浸液由以下重量份的原料组成：N,N-二甲基甲酰胺1500份、脂肪醇聚氧乙烯醚硫酸钠10-15份、聚氨酯树脂2000份。
改性浆料由以下重量份的原料组成：N,N-二甲基甲酰胺1000份、木粉35份、活性剂10份、回软剂9份、色浆30份、聚氨酯树脂2600份，具体的，回软剂为聚醚改性有机硅油，通过在改性浆料中添加回软剂，防止改性浆料在夹网布上成膜后影响夹网布本身的柔软度，以使基布具有夹网布本身的柔软度。
面层母粒由以下重量份的原料组成：聚氨酯弹性体90份、聚硅氧烷6份、聚乙烯醇树脂4份，通过限定聚硅氧烷与聚乙烯醇树脂配合作柔软添加剂，以使形成在基布上的面层不会影响基布本身的柔软性，保证制备的夹网合成革的柔软度。
夹网布的制备方法包括以下步骤：
(1)按质量比将40-50％的涤纶纤维和50-60％的改性柔软纤维一起放入开包机内进行开包，使两种纤维混合得混合纤维；
(2)依次对混合纤维进行粗开松和精开松，使涤纶纤维和改性柔软纤维混合均匀，然后送入储棉箱中暂存；
(3)经喂棉箱将储棉箱中的混合纤维送入梳理机中进行梳理，使纤维充分分梳并组成网状纤维薄层，然后经铺网机将网状纤维薄层均匀折叠至所需的厚度和宽度；
(4)将经铺网机铺好的纤维网喂入针刺机内，使纤维相互交织,制备成针刺坯布；
(5)经烘干定型机对针刺坯布进行加热定型,以获得厚度为1.50-1.56mm的夹网布，其中，烘干定型机的温度为133-137℃。
进一步的，改性柔软纤维由以下重量份的原料组成：聚丙烯80-90份、柔软母粒3-5份、聚醚型聚氨酯弹性体8-12份、硬脂酸酰胺2-3份、聚乙烯蜡3-5份，其制备方法包括以下步骤：
A、按所需重量份对各原料进行称重，然后放入搅拌机中，搅拌混合均匀得到混合料；
B、将获得的混合料输送到螺杆挤压机中熔融挤压，得到熔融浆料；
C、将获得的的熔融浆料过滤、计量后输入纺丝箱体内，经过喷丝孔喷丝，再经气流冷却牵伸形成所述改性柔软纤维。
柔软母粒由以下重量份的原料组成：聚丙烯70-80份、聚醚型聚氨酯弹性体10-15份、壳聚糖1-3份、硬脂酸锌3-5份、氨基改性聚硅氧烷1-2份、聚乙烯醇树脂6-9份、聚丙烯酰胺1-2份，其制备方法包括以下步骤：
A、将各组分按所需重量份计量称重，然后将聚丙烯与聚醚型聚氨酯弹性体送入混合机中加热混合，得预混物；
B、将预混物与其他原料送入双螺杆挤出机中进行共混、挤出、牵引、切粒，以获得柔软母粒。
实施例1
一种超薄超软夹网合成革的制备工艺，包括以下步骤：
步骤一，先将夹网布送入装有含浸液的浸渍槽中进行含浸处理后，入水预凝固，然后置于90℃的温度下进行整烫处理至夹网布的含液率为47％，得含浸处理后的夹网布；
步骤二，在含浸处理后的夹网布上涂布一层改性浆料，然后经浓度为28％的DMF溶液凝固后，依次送入第一水槽、第二水槽中进行一次水洗与二次水洗，最后在160℃下烘干，得基布；其中，第一水槽中的水温为70℃，第二水槽的温度为30℃；
步骤三，将面层母粒先在75℃下，干燥4h，然后送入螺杆挤出流延机熔融挤出，流延于基布上，冷却得所述夹网合成革，其中，流延厚度为35丝。
其中，含浸液由以下重量份的原料组成：N,N-二甲基甲酰胺1500份、脂肪醇聚氧乙烯醚硫酸钠15份、聚氨酯树脂2000份。
改性浆料由以下重量份的原料组成：N,N-二甲基甲酰胺1000份、木粉35份、活性剂10份、回软剂9份、色浆30份、聚氨酯树脂2600份，具体的，回软剂为聚醚改性有机硅油，通过在改性浆料中添加回软剂，防止改性浆料在夹网布上成膜后影响夹网布本身的柔软度，以使基布具有夹网布本身的柔软度。
面层母粒由以下重量份的原料组成：聚氨酯弹性体90份、聚硅氧烷6份、聚乙烯醇树脂4份，通过限定聚硅氧烷与聚乙烯醇树脂配合作柔软添加剂，以使形成在基布上的面层不会影响基布本身的柔软性，保证制备的夹网合成革的柔软度。
夹网布的制备方法包括以下步骤：
(1)按质量比将40％的涤纶纤维和60％的改性柔软纤维一起放入开包机内进行开包，使两种纤维混合得混合纤维；
(2)依次对混合纤维进行粗开松和精开松，使涤纶纤维和改性柔软纤维混合均匀，然后送入储棉箱中暂存；
(3)经喂棉箱将储棉箱中的混合纤维送入梳理机中进行梳理，使纤维充分分梳并组成网状纤维薄层，然后经铺网机将网状纤维薄层均匀折叠至所需的厚度和宽度；
(4)将经铺网机铺好的纤维网喂入针刺机内，使纤维相互交织,制备成针刺坯布；
(5)经烘干定型机对针刺坯布进行加热定型,以获得厚度为1.53mm的夹网布，其中，烘干定型机的温度为133℃。
进一步的，改性柔软纤维由以下重量份的原料组成：聚丙烯80份、柔软母粒3份、聚醚型聚氨酯弹性体12份、硬脂酸酰胺2份、聚乙烯蜡5份，其制备方法包括以下步骤：
A、按所需重量份对各原料进行称重，然后放入搅拌机中，搅拌混合均匀得到混合料；
B、将获得的混合料输送到螺杆挤压机中熔融挤压，得到熔融浆料；
C、将获得的的熔融浆料过滤、计量后输入纺丝箱体内，经过喷丝孔喷丝，再经气流冷却牵伸形成所述改性柔软纤维。
柔软母粒由以下重量份的原料组成：聚丙烯70份、聚醚型聚氨酯弹性体15份、壳聚糖1份、硬脂酸锌5份、氨基改性聚硅氧烷1份、聚乙烯醇树脂9份、聚丙烯酰胺1份，其制备方法包括以下步骤：
A、将各组分按所需重量份计量称重，然后将聚丙烯与聚醚型聚氨酯弹性体送入混合机中加热混合，得预混物；
B、将预混物与其他原料送入双螺杆挤出机中进行共混、挤出、牵引、切粒，以获得柔软母粒。
实施例2
一种超薄超软夹网合成革的制备工艺，包括以下步骤：
步骤一，先将夹网布送入装有含浸液的浸渍槽中进行含浸处理后，入水预凝固，然后置于110℃的温度下进行整烫处理至夹网布的含液率为43％，得含浸处理后的夹网布；
步骤二，在含浸处理后的夹网布上涂布一层改性浆料，然后经浓度为32％的DMF溶液凝固后，依次送入第一水槽、第二水槽中进行一次水洗与二次水洗，最后在180℃下烘干，得基布；其中，第一水槽中的水温为90℃，第二水槽的温度为40℃；
步骤三，将面层母粒先在80℃下，干燥3h，然后送入螺杆挤出流延机熔融挤出，流延于基布上，冷却得所述夹网合成革，其中，流延厚度为45丝。
其中，含浸液由以下重量份的原料组成：N,N-二甲基甲酰胺1500份、脂肪醇聚氧乙烯醚硫酸钠10份、聚氨酯树脂2000份。
改性浆料由以下重量份的原料组成：N,N-二甲基甲酰胺1000份、木粉35份、活性剂10份、回软剂9份、色浆30份、聚氨酯树脂2600份，具体的，回软剂为聚醚改性有机硅油，通过在改性浆料中添加回软剂，防止改性浆料在夹网布上成膜后影响夹网布本身的柔软度，以使基布具有夹网布本身的柔软度。
面层母粒由以下重量份的原料组成：聚氨酯弹性体90份、聚硅氧烷6份、聚乙烯醇树脂4份，通过限定聚硅氧烷与聚乙烯醇树脂配合作柔软添加剂，以使形成在基布上的面层不会影响基布本身的柔软性，保证制备的夹网合成革的柔软度。
夹网布的制备方法包括以下步骤：
(1)按质量比将50％的涤纶纤维和50％的改性柔软纤维一起放入开包机内进行开包，使两种纤维混合得混合纤维；
(2)依次对混合纤维进行粗开松和精开松，使涤纶纤维和改性柔软纤维混合均匀，然后送入储棉箱中暂存；
(3)经喂棉箱将储棉箱中的混合纤维送入梳理机中进行梳理，使纤维充分分梳并组成网状纤维薄层，然后经铺网机将网状纤维薄层均匀折叠至所需的厚度和宽度；
(4)将经铺网机铺好的纤维网喂入针刺机内，使纤维相互交织,制备成针刺坯布；
(5)经烘干定型机对针刺坯布进行加热定型,以获得厚度为1.56mm的夹网布，其中，烘干定型机的温度为137℃。
进一步的，改性柔软纤维由以下重量份的原料组成：聚丙烯90份、柔软母粒5份、聚醚型聚氨酯弹性体8份、硬脂酸酰胺3份、聚乙烯蜡3份，其制备方法包括以下步骤：
A、按所需重量份对各原料进行称重，然后放入搅拌机中，搅拌混合均匀得到混合料；
B、将获得的混合料输送到螺杆挤压机中熔融挤压，得到熔融浆料；
C、将获得的的熔融浆料过滤、计量后输入纺丝箱体内，经过喷丝孔喷丝，再经气流冷却牵伸形成所述改性柔软纤维。
柔软母粒由以下重量份的原料组成：聚丙烯80份、聚醚型聚氨酯弹性体10份、壳聚糖3份、硬脂酸锌3份、氨基改性聚硅氧烷2份、聚乙烯醇树脂6份、聚丙烯酰胺2份，其制备方法包括以下步骤：
A、将各组分按所需重量份计量称重，然后将聚丙烯与聚醚型聚氨酯弹性体送入混合机中加热混合，得预混物；
B、将预混物与其他原料送入双螺杆挤出机中进行共混、挤出、牵引、切粒，以获得柔软母粒。
实施例3
一种超薄超软夹网合成革的制备工艺，包括以下步骤：
步骤一，先将夹网布送入装有含浸液的浸渍槽中进行含浸处理后，入水预凝固，然后置于100℃的温度下进行整烫处理至夹网布的含液率为45％，得含浸处理后的夹网布；
步骤二，在含浸处理后的夹网布上涂布一层改性浆料，然后经浓度为28-32％的DMF溶液凝固后，依次送入第一水槽、第二水槽中进行一次水洗与二次水洗，最后在170℃下烘干，得基布；其中，第一水槽中的水温为80℃，第二水槽的温度为35℃；
步骤三，将面层母粒先在78℃下，干燥3.5h，然后送入螺杆挤出流延机熔融挤出，流延于基布上，冷却得所述夹网合成革，其中，流延厚度为40丝。
其中，含浸液由以下重量份的原料组成：N,N-二甲基甲酰胺1500份、脂肪醇聚氧乙烯醚硫酸钠10-15份、聚氨酯树脂2000份。
改性浆料由以下重量份的原料组成：N,N-二甲基甲酰胺1000份、木粉35份、活性剂10份、回软剂9份、色浆30份、聚氨酯树脂2600份，具体的，回软剂为聚醚改性有机硅油，通过在改性浆料中添加回软剂，防止改性浆料在夹网布上成膜后影响夹网布本身的柔软度，以使基布具有夹网布本身的柔软度。
面层母粒由以下重量份的原料组成：聚氨酯弹性体90份、聚硅氧烷6份、聚乙烯醇树脂4份，通过限定聚硅氧烷与聚乙烯醇树脂配合作柔软添加剂，以使形成在基布上的面层不会影响基布本身的柔软性，保证制备的夹网合成革的柔软度。
夹网布的制备方法包括以下步骤：
(1)按质量比将45％的涤纶纤维和55％的改性柔软纤维一起放入开包机内进行开包，使两种纤维混合得混合纤维；
(2)依次对混合纤维进行粗开松和精开松，使涤纶纤维和改性柔软纤维混合均匀，然后送入储棉箱中暂存；
(3)经喂棉箱将储棉箱中的混合纤维送入梳理机中进行梳理，使纤维充分分梳并组成网状纤维薄层，然后经铺网机将网状纤维薄层均匀折叠至所需的厚度和宽度；
(4)将经铺网机铺好的纤维网喂入针刺机内，使纤维相互交织,制备成针刺坯布；
(5)经烘干定型机对针刺坯布进行加热定型,以获得厚度为1.50mm的夹网布，其中，烘干定型机的温度为135℃。
进一步的，改性柔软纤维由以下重量份的原料组成：聚丙烯85份、柔软母粒4份、聚醚型聚氨酯弹性体10份、硬脂酸酰胺2.5份、聚乙烯蜡4份，其制备方法包括以下步骤：
A、按所需重量份对各原料进行称重，然后放入搅拌机中，搅拌混合均匀得到混合料；
B、将获得的混合料输送到螺杆挤压机中熔融挤压，得到熔融浆料；
C、将获得的的熔融浆料过滤、计量后输入纺丝箱体内，经过喷丝孔喷丝，再经气流冷却牵伸形成所述改性柔软纤维。
柔软母粒由以下重量份的原料组成：聚丙烯75份、聚醚型聚氨酯弹性体12份、壳聚糖2份、硬脂酸锌4份、氨基改性聚硅氧烷1.5份、聚乙烯醇树脂7.5份、聚丙烯酰胺1.5份，其制备方法包括以下步骤：
A、将各组分按所需重量份计量称重，然后将聚丙烯与聚醚型聚氨酯弹性体送入混合机中加热混合，得预混物；
B、将预混物与其他原料送入双螺杆挤出机中进行共混、挤出、牵引、切粒，以获得柔软母粒。
将实施例1-3制备的夹网合成革与现有技术中的夹网合成革经测试获得如下数据：
表1各实施例数据表
测试项目 厚度/mm 软度/mN
实施例1 1.53 7.2
实施例2 1.56 7.3
实施例3 1.50 7.5
对比例 2.15 5.7
通过上述表格可知，本申请制备的夹网合成革具有优异的柔软度，且厚度薄，通过限定夹网合成革的原料组成，配合特定的制备工艺，以获得具有优异柔软度的夹网合成革，其中，限定夹网布的制备方法，并进一步限定夹网布的原料组成，添加硬脂酸酰胺、聚乙烯蜡与其他原料混用，以增加各原料之间的相容性和粘结性，提高制得的夹网布的柔软性和平滑性，使制备的夹网布、弹性好且触感柔软。
以上所述，仅为本发明的较佳实施例而已，故不能以此限定本发明实施的范围，即依本发明申请专利范围及说明书内容所作的等效变化与修饰，皆应仍属本发明专利涵盖的范围内。

Claims (10)

1.一种超薄超软夹网合成革的制备工艺，其特征在于：包括以下步骤：
步骤一，先将夹网布送入装有含浸液的浸渍槽中进行含浸处理后，入水预凝固，然后置于90-110℃的温度下进行整烫处理至夹网布的含液率为43-47％，得含浸处理后的夹网布；
步骤二，在含浸处理后的夹网布上涂布一层改性浆料，然后凝固成膜、再经水洗、烘干得基布；
步骤三，将面层母粒送入螺杆挤出流延机熔融挤出，流延于基布上，冷却得所述夹网合成革；
所述夹网布的制备方法包括以下步骤：
(1)按质量比将40-50％的涤纶纤维和50-60％的改性柔软纤维一起放入开包机内进行开包，使两种纤维混合得混合纤维；
(2)依次对混合纤维进行粗开松和精开松，使涤纶纤维和改性柔软纤维混合均匀，然后送入储棉箱中暂存；
(3)经喂棉箱将储棉箱中的混合纤维送入梳理机中进行梳理，使纤维充分分梳并组成网状纤维薄层，然后经铺网机将网状纤维薄层均匀折叠至所需的厚度和宽度；
(4)将经铺网机铺好的纤维网喂入针刺机内，使纤维相互交织,制备成针刺坯布；
(5)经烘干定型机对针刺坯布进行加热定型,以获得厚度为1.50-1.56mm的夹网布。
2.根据权利要求1所述的一种超薄超软夹网合成革的制备工艺，其特征在于：所述改性柔软纤维由以下重量份的原料组成：聚丙烯80-90份、柔软母粒3-5份、聚醚型聚氨酯弹性体8-12份、硬脂酸酰胺2-3份、聚乙烯蜡3-5份。
3.根据权利要求2所述的一种超薄超软夹网合成革的制备工艺，其特征在于：所述改性柔软纤维的制备方法包括以下步骤：
A、按所需重量份对各原料进行称重，然后放入搅拌机中，搅拌混合均匀得到混合料；
B、将获得的混合料输送到螺杆挤压机中熔融挤压，得到熔融浆料；
C、将获得的的熔融浆料过滤、计量后输入纺丝箱体内，经过喷丝孔喷丝，再经气流冷却牵伸形成所述改性柔软纤维。
4.根据权利要求2所述的一种超薄超软夹网合成革的制备工艺，其特征在于：所述柔软母粒由以下重量份的原料组成：聚丙烯70-80份、聚醚型聚氨酯弹性体10-15份、壳聚糖1-3份、硬脂酸锌3-5份、氨基改性聚硅氧烷1-2份、聚乙烯醇树脂6-9份、聚丙烯酰胺1-2份。
5.根据权利要求4所述的一种超薄超软夹网合成革的制备工艺，其特征在于：所述柔软母粒的制备方法包括以下步骤：
A、将各组分按所需重量份计量称重，然后将聚丙烯与聚醚型聚氨酯弹性体送入混合机中加热混合，得预混物；
B、将预混物与其他原料送入双螺杆挤出机中进行共混、挤出、牵引、切粒，以获得柔软母粒。
6.根据权利要求1所述的一种超薄超软夹网合成革的制备工艺，其特征在于：所述改性浆料由以下重量份的原料组成：N,N-二甲基甲酰胺1000份、木粉35份、活性剂10份、回软剂9份、色浆30份、聚氨酯树脂2600份。
7.根据权利要求1所述的一种超薄超软夹网合成革的制备工艺，其特征在于：所述含浸液由以下重量份的原料组成：N,N-二甲基甲酰胺1500份、脂肪醇聚氧乙烯醚硫酸钠10-15份、聚氨酯树脂2000份。
8.根据权利要求1所述的一种超薄超软夹网合成革的制备工艺，其特征在于：步骤二，具体包括：在含浸处理后的夹网布上涂布一层改性浆料，然后经浓度为28-32％的DMF溶液凝固后，依次送入第一水槽、第二水槽中进行一次水洗与二次水洗，最后在160-180℃下烘干，得基布；其中，第一水槽中的水温为70-90℃，第二水槽的温度为30-40℃。
9.根据权利要求1所述的一种超薄超软夹网合成革的制备工艺，其特征在于：步骤三中，面层母粒送入螺杆挤出流延机前，先在75-80℃下，干燥3-4h。
10.根据权利要求1所述的一种超薄超软夹网合成革的制备工艺，其特征在于：步骤(5)中，烘干定型机的温度为133-137℃。
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