CN110924185A - 一种新型防泼水超纤超细羊巴革的制备方法 - Google Patents
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Abstract
本发明公开了一种新型防泼水超纤超细羊巴革的制备方法,包括以下步骤:1)配置涂层浆料,将配置好的涂层浆料对基材进行干法涂层,涂层完后的基材与纤维贝斯进行贴合,经干燥、冷却后剥离基材进行成品卷取;2)配置羊巴处理浆料,在步骤1)得到的成品表面涂覆一层羊巴处理浆料;3)对经步骤2)处理后的成品在170‑180℃的温度条件下进行羊巴发泡,得到发泡好的羊巴革样;4)对步骤3)处理得到的羊巴革样进行揉纹、印刷处理,得到所需要的羊巴革成品。采用本发明的制备方法制得的羊巴革防尘、防水、防油污性能好,耐磨性能好,不易被刮花。
Description
技术领域
本发明涉及超细纤维合成革技术领域,具体涉及一种新型防泼水超纤超细羊巴革的制备方法。
背景技术
随着生活水平的提高,人们对于皮革制品的需求量逐渐增加,但是由于真皮制品数量少,价格贵,不能满足人们日益增涨的需求,目前人造皮革制品包括箱包、服装、鞋等,其表面形态多种多样,效果风格变化万千:高光高固、油皮风格、抛光风格、疯马变色、羊巴等,无论是在表面效果,还是在手感上,或者是产品的物性质量上,仍然在不断的追求仿制真皮效果。
羊巴树脂近年来在皮革市场占据很大比重,利用高温膨胀发泡,在皮革表面形成蓬松的效果,部分微球犹豫膨胀过度破裂,以致表面形成绒毛感,配合合适的后期制作工艺,可以做出不同风格的,类似真皮触感的人造皮革制品。
目前在市场上销售的鞋用羊巴类合成革存在有直接发泡出来的羊巴手感比较粗糙,柔软度不足,仿真性较差,经后处理后,虽然能改变其手感,但又会损害毛长而且羊巴耐磨性不理想,容易刮伤刮花,防水性能差且较难清洁。如何解决上述技术问题,是本领域技术人员致力于解决的事情。
发明内容
本发明的目的是克服现有技术的不足,提供一种新型防泼水超纤超细羊巴革的制备方法,该方法制备成的羊巴革手感细腻、更接近天然真皮,且具有防水、防静电等性能。
为达到上述目的,本发明采用的技术方案是:一种新型防泼水超纤超细羊巴革的制备方法,包括以下步骤:
1)配置涂层浆料,将配置好的涂层浆料对基材进行干法涂层,涂层完后的基材与纤维贝斯进行贴合,经干燥、冷却后剥离基材进行成品卷取;
2)配置羊巴处理浆料,在步骤1)得到的成品表面涂覆一层羊巴处理浆料;
3)对经步骤2)处理后的成品在170-180℃的温度条件下进行羊巴发泡,得到发泡好的羊巴革样;
4)对步骤3)处理得到的羊巴革样进行揉纹、印刷处理,得到所需要的羊巴革成品;
其中,其中,步骤1)中的涂层浆料,按重量份数计,包含以下原料:聚氨酯80-100份、DMF20-40份、MEK10-20份、含氟硅油4-6份、动物脂肪皮革加脂剂2-3份、有机硅流平剂1份;
步骤2)中的羊巴处理浆料,按重量份数计,包含以下原料:羊巴树脂50-53份、丁酮12-15份、细羊巴粉2-3份、含氟硅油3-5份、动物脂肪皮革加脂剂1-2份,羊巴处理浆料的粘度控制在1500-1800mPa.s。
在涂层浆料及羊巴处理浆料中添加含氟硅油及动物脂肪皮革加脂剂,能够提高革体表面的防油污、斥水性能。
优选地,步骤4)中,揉纹处理所采用的浆料,按重量份数计包括以下原料:自来水100份、滑爽剂10份、防泼水剂3-5份,浆料的粘度控制在1000-1200mPa.s。采用该配方的浆料,能够提高揉纹处理后的革样的柔软性,手感更细腻。
优选地,步骤2)中,羊巴处理浆料的涂覆厚度为25-30g/米。
优选地,步骤4)中,揉纹处理时,温度控制在60±5℃。揉纹过程,如温度低于55℃,达不到揉纹效果;温度过高,超过65℃,会导致革样表面起皮、减弱革样表面剥离强度。
由于上述技术方案的运用,本发明与现有技术相比具有下列优点:本发明的制备方法中,其涂层浆料中增加了含氟硅油及动物脂肪皮革加脂剂,羊巴处理浆料选用了羊巴树脂、丁酮、细羊巴粉同时添加了含氟硅油及动物脂肪皮革加脂剂,使得经羊巴发泡后的羊巴革样泡孔均匀,绒感强,触感细腻更接近天然皮革,经后处理得到的皮革具有防尘、防水、防油等优点,同时其耐磨性能不减,不易被刮花。
具体实施方式
下面结合具体实施例来对本发明的技术方案作进一步的阐述。
实施例1
一种新型防泼水超纤超细羊巴革,其制备方法包括以下步骤:
1)配置涂层浆料,将配置好的涂层浆料对基材进行干法涂层,涂层完后的基材与纤维贝斯进行贴合,经干燥、冷却后剥离基材进行成品卷取;
2)配置羊巴处理浆料,在步骤1)得到的成品表面涂覆一层羊巴处理浆料,羊巴处理浆料的涂覆厚度为25-30g/米;
3)对经步骤2)处理后的成品在170-180℃的温度条件下进行羊巴发泡,得到发泡好的羊巴革样;
4)对步骤3)处理得到的羊巴革样进行揉纹、印刷处理,得到所需要的羊巴革成品,揉纹处理时,温度控制在60±5℃;
其中,步骤1)中干法涂层包括三层,面层、中层及底层,面层浆料按重量份数计,包含聚氨酯100份、DMF40份、MEK20份、含氟硅油4份、动物脂肪皮革加脂剂2份、有机硅流平剂1份,黏度为3000mPa.s(50模量);中层浆料按重量份数计,包含聚氨酯100份、DMF35份、MEK15份、含氟硅油4份、动物脂肪皮革加脂剂2份、有机硅流平剂1份,黏度为4500mPa.s(30模量);底层浆料按重量份数计,包含聚氨酯100份、DMF20份、MEK10份、含氟硅油4份、动物脂肪皮革加脂剂2份、有机硅流平剂1份,黏度为6500mPa.s(30模量),涂布间隙均为0.2mm,每次涂布完需进行烘箱干燥处理,烘箱温度均控制在100-120℃,干法涂层结束后与基布贴合再进行烘干,冷却。
步骤2)中的羊巴处理浆料,按重量份数计,包含以下原料:羊巴树脂50份、丁酮15份、细羊巴粉3份、含氟硅油4份、动物脂肪皮革加脂剂2份,羊巴处理浆料的粘度控制在1500mPa.s。
这里,步骤4)中,揉纹处理所采用的浆料,按重量份数计包括以下原料:自来水100份、滑爽剂10份、防泼水剂3-5份,浆料的粘度控制在1000-1200mPa.s。
实施例2
本例中提供一种新型防泼水超纤超细羊巴革,其制备方法同实施例1,其与实施例1的区别之处在于:
步骤1)中涂布的面层浆料按重量份数计,包含聚氨酯80份、DMF38份、MEK18份、含氟硅油5份、动物脂肪皮革加脂剂2份、有机硅流平剂1份,黏度为3200mPa.s(50模量);中层浆料按重量份数计,包含聚氨酯80份、DMF32份、MEK15份、含氟硅油5份、动物脂肪皮革加脂剂2份、有机硅流平剂1份,黏度为4600mPa.s(30模量);底层浆料按重量份数计,包含聚氨酯100份、DMF20份、MEK10份、含氟硅油5份、动物脂肪皮革加脂剂2份、有机硅流平剂1份,黏度为6500mPa.s(30模量)。
步骤2)中的羊巴处理浆料,按重量份数计,包含以下原料:羊巴树脂53份、丁酮13份、细羊巴粉2份、含氟硅油4份、动物脂肪皮革加脂剂1份,羊巴处理浆料的粘度控制在1650mPa.s。
实施例3
本例中提供一种新型防泼水超纤超细羊巴革,其制备方法同实施例1,其与实施例1的区别之处在于:
步骤1)中涂布的面层浆料按重量份数计,包含聚氨酯90份、DMF35份、MEK15份、含氟硅油5份、动物脂肪皮革加脂剂2份、有机硅流平剂1份,黏度为3400mPa.s(50模量);中层浆料按重量份数计,包含聚氨酯90份、DMF30份、MEK13份、含氟硅油5份、动物脂肪皮革加脂剂2份、有机硅流平剂1份,黏度为4700mPa.s(30模量);底层浆料按重量份数计,包含聚氨酯100份、DMF20份、MEK10份、含氟硅油3份、动物脂肪皮革加脂剂2份、有机硅流平剂1份,黏度为6500mPa.s(30模量)。
步骤2)中的羊巴处理浆料,按重量份数计,包含以下原料:羊巴树脂53份、丁酮12份、细羊巴粉2份、含氟硅油3份、动物脂肪皮革加脂剂1份,羊巴处理浆料的粘度控制在1500mPa.s。
对实施例1至3中制得的羊巴革性能进行检测,测试方法如下:
一、撕裂强度、剥离强度、抗张强度及伸长率均采用双柱电脑式拉力试验机进行检测;
二、耐水解性能采用将革样放置在10%NaoH溶液中浸泡24小时,然后测试其剥离强度;
三、耐黄变性,采用耐黄变机进行检测;
四、低温下革样曲折性能采用HY-769耐寒试验机进行检测。
具体的测试数据见表1。
表1
从表1中我们可以看出,通过在涂层浆料及羊巴处理浆料中添加含氟硅油及动物脂肪皮革加脂剂,能够使得经羊巴发泡后的羊巴革样泡孔均匀,绒感强,触感细腻更接近天然皮革,经后处理得到的皮革具有防尘、防水、防油等优点,而通过揉纹处理,提高了革样的柔软性,手感更丰富,通过印刷得到客户需求的表面效果,经过揉纹、印刷处理后的革样其耐磨性能不减,不易被刮花。
上述实施例只为说明本发明的技术构思及特点,其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施,并不能以此限制本发明的保护范围。凡根据本发明精神实质所作的等效变化或修饰,都应涵盖在本发明的保护范围之内。
Claims (4)
1.一种新型防泼水超纤超细羊巴革的制备方法,其特征在于,包括以下步骤:
1)配置涂层浆料,将配置好的涂层浆料对基材进行干法涂层,涂层完后的基材与纤维贝斯进行贴合,经干燥、冷却后剥离基材进行成品卷取;
2)配置羊巴处理浆料,在步骤1)得到的成品表面涂覆一层羊巴处理浆料;
3)对经步骤2)处理后的成品在170-180℃的温度条件下进行羊巴发泡,得到发泡好的羊巴革样;
4)对步骤3)处理得到的羊巴革样进行揉纹、印刷处理,得到所需要的羊巴革成品;
其中,步骤1)中的涂层浆料,按重量份数计,包含以下原料:聚氨酯80-100份、DMF20-40份、MEK10-20份、含氟硅油4-6份、动物脂肪皮革加脂剂2-3份、有机硅流平剂1份;
步骤2)中的羊巴处理浆料,按重量份数计,包含以下原料:羊巴树脂50-53份、丁酮12-15份、细羊巴粉2-3份、含氟硅油3-5份、动物脂肪皮革加脂剂1-2份,羊巴处理浆料的粘度控制在1500-1800mPa.s。
2.根据权利要求1所述的新型防泼水超纤超细羊巴革的制备方法,其特征在于,步骤4)中,揉纹处理所采用的浆料,按重量份数计包括以下原料:自来水100份、滑爽剂10份、防泼水剂3-5份,浆料的粘度控制在1000-1200 mPa.s。
3.根据权利要求1所述的新型防泼水超纤超细羊巴革的制备方法,其特征在于,步骤2)中,羊巴处理浆料的涂覆厚度为25-30g/米。
4.根据权利要求1所述的新型防泼水超纤超细羊巴革的制备方法,其特征在于,步骤4)中,揉纹处理时,温度控制在60±5℃。
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