CN111235901A - 一种超仿真皮防霉抗菌超细纤维合成革的加工方法 - Google Patents

一种超仿真皮防霉抗菌超细纤维合成革的加工方法 Download PDF

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CN111235901A
CN111235901A CN202010277206.4A CN202010277206A CN111235901A CN 111235901 A CN111235901 A CN 111235901A CN 202010277206 A CN202010277206 A CN 202010277206A CN 111235901 A CN111235901 A CN 111235901A
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顾宇霆
张鹏
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An'an China Co ltd
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Abstract

本发明提供了一种超仿真皮防霉抗菌超细纤维合成革的加工方法,该方法解决传统真皮不抗菌,易腐烂,常规超细纤维合成革塑胶感强,皮感差的技术问题,其内容主要包括:基布的生产制造、基布的含浸等步骤,基本满足超纤革所有应用领域需要,而且还不需要按现行的先涂布再含浸的两步法仿皮工艺路线,只需一步法大含浸,满足产品稳定大生产设计的需求。

Description

一种超仿真皮防霉抗菌超细纤维合成革的加工方法
技术领域
本发明涉及合成革加工技术领域,尤其是涉及一种超仿真皮防霉抗菌超细纤维合成革的加工方法。
背景技术
人们在买鞋时出于对舒适度等各方面的追求,对材质的最佳选择为真皮,真皮是由胶原纤维紧密编织形成的天然材料,具有手感好,透水汽性好等优点,但在其加工过程中成材率较低,其造价高昂,且真皮不抗菌,易腐烂,真皮在其自身生产过程中污染环境严重,重金属含量容易超标;随着社会经济水平的不断提高,同时在提倡环保节能、可持续发展的今天,人们对环境保护逐渐重视,如何开发出仿真皮面料来取代动物皮革,以避免对野生动物的伤害和对自然环境的破坏是一个迫在眉睫的需要解决的问题,从而人们开始开发出仿真皮面料来取代动物皮革,但常规超细纤维合成革存在塑胶感强,皮感差等技术问题,本发明就是提供一种可兼具超纤和真皮特点的合成革,其可完美替代真皮而被用于皮鞋领域。
发明内容
本发明的目的在于针对现有技术的不足,提供一种超仿真皮防霉抗菌超细纤维合成革的加工方法,以解决传统真皮不抗菌,易腐烂,常规超细纤维合成革塑胶感强,皮感差的技术问题。
为了实现本发明的目的,本发明采用的技术方案如下:
一种超仿真皮防霉抗菌超细纤维合成革的加工方法,包括如下步骤:
1)将PA切片、PE切片混合通过纺丝工艺制得锦纶混纺海岛纤维;将制备的锦纶混纺海岛纤维通过针刺工艺制造出超细纤维无纺布;将超细纤维无纺布通过定型实现厚度及克重的定型即可完成基布的生产制造;
2)将基布通过湿法含浸工艺制得未开纤半成品;所述湿法含浸工艺中含浸浆料制备方法是按照重量组分选择树脂100份、由气相白炭黑处理制得的纳米广谱抗菌粉5-8份、滑石粉15-25份、溶剂DMF40-50份、渗透剂0.5-1份、柔软剂0.5-1.5份混合后再与适量的色浆一同加入配料釜搅拌均匀,搅拌60-90分钟,即得;
3) 利用苯减量法对未开纤半成品进行开纤处理,即得开纤半成品;
4) 将开纤半成品烘干并上油定型,揉皮;
5)把揉皮后的半成品通过热揉机热揉;
6)将热揉后的半品用树脂贴面,即得超仿真皮防霉抗菌超细纤维合成革。
进一步,在步骤1)中按照重量组分选择PA切片50-55份及PE切片55-45份。
进一步,在步骤1)中所述定型具体是将超细纤维无纺布通过7级烘箱梯度干燥,温度分别设定85℃、100℃、125℃、138℃、140℃、140℃、140℃,车速7-8m/min,热定型后的超细纤维无纺布通过8-15℃四支冷却辊冷却即可。
进一步,在步骤2)中湿法含浸工艺采用特定温度及糖度范围进行凝固,具体温度范围为25-30℃,糖度范围为25-35°。
进一步,在步骤3)中开纤半成品具体制备步骤为:将未开纤半成品浸在温度80-85℃热甲苯中减量40-60min,进行开纤处理后,再用95-105℃的水进行水洗20-30min,制得开纤半成品。
进一步,在步骤2)中由气相白炭黑处理制得的纳米广谱抗菌粉细度为粒径70纳米左右,白度为98。
进一步,在步骤1)中针刺工艺中针密为1700-2200C/cm2
进一步,在步骤1)中超细纤维无纺布定型后的密度范围为0.20-0.23。
本发明有益效果在于:
本发明所述一种超仿真皮防霉抗菌超细纤维合成革的加工方法,通过该方法制备的超仿真皮防霉抗菌超细纤维合成革可兼具超纤和真皮的特点,使用范围宽,解决了传统真皮解决传统真皮不抗菌,易腐烂,常规超细纤维合成革塑胶感强,皮感差的技术问题,不仅满足运动鞋用革的强度,而且还瞒着休闲鞋革对表观及皮感需要。
另外,本发明制备的超仿真皮防霉抗菌超细纤维合成革还具有透湿透气性能良好、手感柔软、拥有类似天然皮革的风格和外观等优点,经检测,本发明制备的合成革各项性能均高于行业内标准。
该方法不需要按现行的先涂布再含浸的两步法仿皮工艺路线,只需一步法大含浸,满足了产品稳定大生产设计的需求。
除了上面所描述的目的、特征和优点之外,本发明还有其它的目的、特征和优点。下面将对本发明作进一步详细的说明。
具体实施方式
以下对本发明的实施例进行详细说明,但是本发明可以根据权利要求限定和覆盖的多种不同方式实施。
实施例1
一种超仿真皮防霉抗菌超细纤维合成革的加工方法,其按照如下步骤逐步完成:
1)按照重量组分选择PA切片50份及PE切片重量比为55份混合通过纺丝工艺制得锦纶混纺海岛纤维,海岛超细纤维开纤后其岛纤维纤度大约在0.3-0.001旦,其纤维表面积大而细,由其制备形成的超细纤维无纺布为基布的聚氨酯合成革,其性能可与真皮皮革相媲美,具有真皮皮革所固有的吸湿透气性,并且在耐化学性、防水和防霉变性及物理性能等方面超过真皮皮革因而被广泛应用于制造鞋靴、沙发、箱包和汽车内饰等领域;将制备的锦纶混纺海岛纤维通过针刺工艺制造出超细纤维无纺布,针刺工艺中针密为1700C/cm2;将超细纤维无纺布通过定型工艺实现厚度及克重的定型,定型工艺包括将超细纤维无纺布通过7级烘箱梯度干燥,温度分别设定85℃、100℃、125℃、138℃、140℃、140℃、140℃,车速7m/min,热定型后的超细纤维无纺布通过8℃四支冷却辊冷却,超细纤维无纺布定型后的密度范围为0.20,通过如上步骤即可完成基布的生产制造;
2)将基布通过湿法含浸工艺制得未开纤半成品,湿法含浸工艺采用特定温度及糖度范围进行凝固,具体温度范围为25℃,糖度范围为25°;所述湿法含浸工艺中含浸浆料制备方法是按照重量组分选择树脂100份、由气相白炭黑处理制得的纳米广谱抗菌粉5份、滑石粉15份、溶剂DMF40份、渗透剂0.5份、柔软剂0.5份混合后再与适量的色浆一同加入配料釜搅拌均匀,搅拌60分钟,即得含浸浆料,其中,由气相白炭黑处理制得的纳米广谱抗菌粉细度为粒径70纳米左右,白度为98;添加渗透剂可以使得树脂中低分子部分充分凝固,形成细密泡孔,起到良好的支撑作用;
该步骤中利用气相纳米白炭黑的超大表面积吸附配制的浆料,使浆料团聚在气相白炭黑纳米广谱抗菌粉周围,凝固过程中使树脂的连续性下降,形成相对独立的单元,使树脂的弹性下降,塑胶感变弱,增强皮感。
3)利用苯减量法对未开纤半成品进行开纤处理,具体工艺为将未开纤半成品浸在温度80℃热甲苯中减量40min,进行开纤处理后,再用95℃的水进行水洗20min,制得开纤半成品;
4)将开纤半成品烘干并上油定型,揉皮;
5)把揉皮后的半成品通过热揉机热揉;
6)将热揉后的半品用树脂贴面,即得超仿真皮防霉抗菌超细纤维合成革。
实施例2
一种超仿真皮防霉抗菌超细纤维合成革的加工方法,其按照如下步骤逐步完成:
1)按照重量组分选择PA切片50份及PE切片重量比为50份混合通过纺丝工艺制得锦纶混纺海岛纤维;将制备的锦纶混纺海岛纤维通过针刺工艺制造出超细纤维无纺布,针刺工艺中针密为2000C/ cm2;将超细纤维无纺布通过定型工艺实现厚度及克重的定型,定型工艺包括将超细纤维无纺布通过7级烘箱梯度干燥,温度分别设定85℃、100℃、125℃、138℃、140℃、140℃、140℃,车速7m/min,热定型后的超细纤维无纺布通过12℃四支冷却辊冷却,超细纤维无纺布定型后的密度范围为0.22,通过如上步骤即可完成基布的生产制造;
2)将基布通过湿法含浸工艺制得未开纤半成品,湿法含浸工艺采用特定温度及糖度范围进行凝固,具体温度范围为28℃,糖度范围为30°;所述湿法含浸工艺中含浸浆料制备方法是按照重量组分选择树脂100份、由气相白炭黑处理制得的纳米广谱抗菌粉6份、滑石粉20份、溶剂DMF45份、渗透剂0.8份、柔软剂1份混合后再与适量的色浆一同加入配料釜搅拌均匀,搅拌75分钟,即得含浸浆料,其中,由气相白炭黑处理制得的纳米广谱抗菌粉细度为粒径70纳米左右,白度为98;
3)利用苯减量法对未开纤半成品进行开纤处理,具体工艺为将未开纤半成品浸在温度85℃热甲苯中减量50min,进行开纤处理后,再用100℃的水进行水洗25min,制得开纤半成品;
4)将开纤半成品烘干并上油定型,揉皮;
5)把揉皮后的半成品通过热揉机热揉;
6)将热揉后的半品用树脂贴面,即得超仿真皮防霉抗菌超细纤维合成革。
实施例3
一种超仿真皮防霉抗菌超细纤维合成革的加工方法,其按照如下步骤逐步完成:
1)按照重量组分选择PA切片55份及PE切片重量比为45份混合通过纺丝工艺制得锦纶混纺海岛纤维;将制备的锦纶混纺海岛纤维通过针刺工艺制造出超细纤维无纺布,针刺工艺中针密为2200C/ cm2;将超细纤维无纺布通过定型工艺实现厚度及克重的定型,定型工艺包括将超细纤维无纺布通过7级烘箱梯度干燥,温度分别设定85℃、100℃、125℃、138℃、140℃、140℃、140℃,车速8m/min,热定型后的超细纤维无纺布通过15℃四支冷却辊冷却,超细纤维无纺布定型后的密度范围为0.23,通过如上步骤即可完成基布的生产制造;
2)将基布通过湿法含浸工艺制得未开纤半成品,湿法含浸工艺采用特定温度及糖度范围进行凝固,具体温度范围为30℃,糖度范围为35°;所述湿法含浸工艺中含浸浆料制备方法是按照重量组分选择树脂100份、由气相白炭黑处理制得的纳米广谱抗菌粉8份、滑石粉25份、溶剂DMF50份、渗透剂1份、柔软剂1.5份混合后再与适量的色浆一同加入配料釜搅拌均匀,搅拌90分钟,即得含浸浆料,其中,由气相白炭黑处理制得的纳米广谱抗菌粉细度为粒径70纳米左右,白度为98;
3)利用苯减量法对未开纤半成品进行开纤处理,具体工艺为将未开纤半成品浸在温度85℃热甲苯中减量60min,进行开纤处理后,再用105℃的水进行水洗30min,制得开纤半成品;
4)将开纤半成品烘干并上油定型,揉皮;
5)把揉皮后的半成品通过热揉机热揉;
6)将热揉后的半品用树脂贴面,即得超仿真皮防霉抗菌超细纤维合成革。
以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。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 (8)

1.一种超仿真皮防霉抗菌超细纤维合成革的加工方法,其特征在于,包括如下步骤:
将PA切片、PE切片混合通过纺丝工艺制得锦纶混纺海岛纤维;将制备的锦纶混纺海岛纤维通过针刺工艺制造出超细纤维无纺布;将超细纤维无纺布通过定型实现厚度及克重的定型即可完成基布的生产制造;
将基布通过湿法含浸工艺制得未开纤半成品;所述湿法含浸工艺中含浸浆料制备方法是按照重量组分选择树脂100份、由气相白炭黑处理制得的纳米广谱抗菌粉5-8份、滑石粉15-25份、溶剂DMF40-50份、渗透剂0.5-1份、柔软剂0.5-1.5份混合后再与适量的色浆一同加入配料釜搅拌均匀,搅拌60-90分钟,即得;
利用苯减量法对未开纤半成品进行开纤处理,即得开纤半成品;
将开纤半成品烘干并上油定型,揉皮;
把揉皮后的半成品通过热揉机热揉;
将热揉后的半品用树脂贴面,即得超仿真皮防霉抗菌超细纤维合成革。
2.根据权利要求1所述的一种超仿真皮防霉抗菌超细纤维合成革的加工方法,其特征在于,在步骤1中按照重量组分选择PA切片50-55份及PE切片55-45份。
3.根据权利要求1所述的一种超仿真皮防霉抗菌超细纤维合成革的加工方法,其特征在于,在步骤1中所述定型具体是将超细纤维无纺布通过7级烘箱梯度干燥,温度分别设定85℃、100℃、125℃、138℃、140℃、140℃、140℃,车速7-8m/min,热定型后的超细纤维无纺布通过8-15℃四支冷却辊冷却即可。
4.根据权利要求1所述的一种超仿真皮防霉抗菌超细纤维合成革的加工方法,其特征在于,在步骤2中湿法含浸工艺采用特定温度及糖度范围进行凝固,具体温度范围为25-30℃,糖度范围为25-35°。
5.根据权利要求1所述的一种超仿真皮防霉抗菌超细纤维合成革的加工方法,其特征在于,在步骤3中开纤半成品具体制备步骤为:将未开纤半成品浸在温度80-85℃热甲苯中减量40-60min,进行开纤处理后,再用95-105℃的水进行水洗20-30min,制得开纤半成品。
6.根据权利要求1所述的一种超仿真皮防霉抗菌超细纤维合成革的加工方法,其特征在于,在步骤2中由气相白炭黑处理制得的纳米广谱抗菌粉细度为粒径70纳米左右,白度为98。
7.根据权利要求1所述的一种超仿真皮防霉抗菌超细纤维合成革的加工方法,其特征在于,在步骤1中针刺工艺中针密为1700-2200C/cm2
8.根据权利要求1所述的一种超仿真皮防霉抗菌超细纤维合成革的加工方法,其特征在于,在步骤1中超细纤维无纺布定型后的密度范围为0.20-0.23。
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