CN112359602A - 一种防水抗菌无纺布及其制备方法 - Google Patents
一种防水抗菌无纺布及其制备方法 Download PDFInfo
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Abstract
本发明属于无纺布加工技术领域,具体涉及一种防水抗菌无纺布,所述无纺布的表面上浸扎有一层防水抗菌层。本发明防水抗菌无纺布克服了现有技术的短板,综合使用品质显著提升,寿命有效延长。此外,本发明制备方法工艺简单,各步骤搭配合理,易于推广生产制造。
Description
技术领域
本发明属于无纺布加工技术领域。更具体地,涉及一种防水抗菌无纺布的制备方法。
背景技术
无纺布是一种非织造布,它是直接利用高聚物切片、短纤维或长丝将纤维通过气流或机械成网,然后经过水刺,针刺,或热轧加固,最后经过后整理形成的无编织的布料。具有柔软、透气和平面结构的新型纤维制品,优点是不产生纤维屑,强韧、耐用、丝般柔软,而且还有棉质的感觉。
一般生产厂家生产出来的光催化抗菌剂为无机纳米材料的抗菌无纺布,抑菌率和杀菌率效果并不理想。由于在生产过程中,纳米抗菌粉体材料的表面积及表面能很大,很容易吸附而发生团聚,要将这种团聚的粒子在“溶剂”中有效地分散且稳定,极不容易。以这种纳米材料有团聚且分散不均匀的催化抗菌剂去生产抗菌无纺布势必影响产品质量,影响光催化抗菌剂分布在无纺布上的杀菌效果。此外,现有的无纺布多在防水性能上存在短板,而集上述优点于一体的无纺布必然很高的市场竞争力和经济效益,因此需要克服上述短板,来增强无纺布的使用品质。
发明内容
本发明要解决的技术问题是克服现有面料存在的缺陷和不足,提供一种防水抗菌无纺布及其制备方法。
本发明的目的之一是提供一种防水抗菌无纺布。
本发明上述目的通过以下技术方案实现:
一种防水抗菌无纺布,所述无纺布的表面上浸扎有一层防水抗菌层。
进一步的,所述防水抗菌层是由浸扎复合溶液沉积固定生成。
进一步的,所述浸扎复合溶液是由如下对应重量份的物质组成:
25~30份聚丙烯酸酯、4~7份钛酸酯偶联剂、0.5~1份抗静电剂、15~20份甲基硅油、3~7份壬基酚聚氧乙烯醚、1~3份植物提取液、3~6份改性填料、10~15份乙酸乙酯。
优选的,所述浸扎复合溶液是由如下对应重量份的物质组成:
28份聚丙烯酸酯、6份钛酸酯偶联剂、0.8份抗静电剂、17份甲基硅油、5份壬基酚聚氧乙烯醚、2份植物提取液、5份改性填料、13份乙酸乙酯。
进一步的,所述植物提取液的制备方法包括如下步骤:
1)将黄芪、黄柏、黄连、白花蛇舌草、板蓝根、水对应按照重量比4~7:2~4:3~6:1~3:2~5:60~70进行混合;
2)加热沸煮处理1.5~2h后进行过滤,得滤液备用;
3)对滤液进行加热浓缩,完成后即得植物提取液。
进一步的,所述步骤3)中所述加热浓缩处理是将滤液浓缩至原体积的20~25%。
植物提取液是通过黄芪、黄柏、黄连、白花蛇舌草、板蓝根共同加工制成,具有很强的抗菌性能,且绿色安全无害。
进一步的,所述改性填料的制备方法包括如下步骤:
a.先对高岭土进行球磨粉碎处理,然后再将其与纳米二氧化钛共混搅拌均匀,得混合料备用;
b.将步骤a所得的混合料投入到反应釜内,然后向反应釜内加入乙撑双月桂酰胺、聚丁二酸丁二醇酯、环氧大豆油,高速搅拌处理2~3h后出料,最后进行烘干、粉碎处理后即得改性填料。
进一步的,步骤a中所述球磨粉碎处理后控制高岭土的颗粒大小为600~700目;所述纳米二氧化钛的颗粒大小为20~70nm;所述高岭土与纳米二氧化钛混合时对应的重量比为10:1~2。
进一步的,步骤b中所述乙撑双月桂酰胺、聚丁二酸丁二醇酯、环氧大豆油的加入量分别是混合料总质量的10~15%、8~12%、2~3%;所述高速搅拌处理时加热保持反应釜内的温度为85~90℃、压力为1.2~1.4MPa。
改性填料是通过对高岭土进行加工改性而成,先与纳米二氧化钛共混,一方面能够增强整体的抗菌能力,另一方面又改善了高岭土的表面结构特性,随后以乙撑双月桂酰胺、聚丁二酸丁二醇酯、环氧大豆油共混改性,增强了填料整体的表面拒水性,同时又利于填料在浸扎时与无纺布很好的结合,并且纳米二氧化钛能够借助高岭土的附着稳定均匀的分散于无纺布表面,协同植物提取液提高了整体的抗菌稳定性。
本发明另一目的是提供一种防水抗菌无纺布的制备方法。
本发明上述目的通过以下技术方案实现:
一种防水抗菌无纺布的制备方法,包括如下步骤:
(1)将无纺布浸入到浸扎复合溶液中,然后进行浸扎处理,控制压力为2.0~2.4MPa,带液率为60~64%;
(2)将步骤(1)处理后的无纺布放入到烘干箱内进行常规干燥处理,完成后取出即可。
本发明具有以下有益效果:
本发明公开了一种防水抗菌无纺布,相对于现有无纺布而言,其在表面上浸扎有一层防水抗菌层,此防水抗菌层能够显著提升无纺布的使用品质,增强了无纺布的防水抗菌性能,防水抗菌层具体是由浸扎复合溶液沉积固定生成,将无纺布浸入其中进行浸扎,聚丙烯酸酯、钛酸酯偶联剂、抗静电剂等在无纺布表面形成了一稳定膜层,同时又将植物提取液、改性填料填充固定其中,在此植物提取液增强了无纺布的抗菌性能,且使用绿色安全无害,改性填料增强了无纺布的防水及力学性能,也能协同增强植物提取液的抗菌效果,两者复配显著改善了无纺布的使用品质,增强了其市场竞争力。本发明防水抗菌无纺布克服了现有技术的短板,综合使用品质显著提升,寿命有效延长。此外,本发明制备方法工艺简单,各步骤搭配合理,易于推广生产制造。
具体实施方式
以下结合具体实施例来进一步说明本发明,但实施例并不对本发明做任何形式的限定。除非特别说明,本发明采用的试剂、方法和设备为本技术领域常规试剂、方法和设备。
除非特别说明,以下实施例所用试剂和材料均为市购。
实施例1
一种防水抗菌无纺布,所述无纺布的表面上浸扎有一层防水抗菌层。
所述防水抗菌层是由浸扎复合溶液沉积固定生成。
所述浸扎复合溶液是由如下对应重量份的物质组成:
25份聚丙烯酸酯、4份钛酸酯偶联剂、0.5份抗静电剂、15份甲基硅油、3份壬基酚聚氧乙烯醚、1份植物提取液、3份改性填料、10份乙酸乙酯。
所述植物提取液的制备方法包括如下步骤:
1)将黄芪、黄柏、黄连、白花蛇舌草、板蓝根、水对应按照重量比4:2:3:1:2:60进行混合;
2)加热沸煮处理1.5h后进行过滤,得滤液备用;
3)对滤液进行加热浓缩,完成后即得植物提取液。
所述步骤3)中所述加热浓缩处理是将滤液浓缩至原体积的20%。
所述改性填料的制备方法包括如下步骤:
a.先对高岭土进行球磨粉碎处理,然后再将其与纳米二氧化钛共混搅拌均匀,得混合料备用;
b.将步骤a所得的混合料投入到反应釜内,然后向反应釜内加入乙撑双月桂酰胺、聚丁二酸丁二醇酯、环氧大豆油,高速搅拌处理2h后出料,最后进行烘干、粉碎处理后即得改性填料。
步骤a中所述球磨粉碎处理后控制高岭土的颗粒大小为600目;所述纳米二氧化钛的颗粒大小为20~70nm;所述高岭土与纳米二氧化钛混合时对应的重量比为10:1。
步骤b中所述乙撑双月桂酰胺、聚丁二酸丁二醇酯、环氧大豆油的加入量分别是混合料总质量的10%、8%、2%;所述高速搅拌处理时加热保持反应釜内的温度为85℃、压力为1.2MPa。
一种防水抗菌无纺布的制备方法,包括如下步骤:
(1)将无纺布浸入到浸扎复合溶液中,然后进行浸扎处理,控制压力为2.0MPa,带液率为60%;
(2)将步骤(1)处理后的无纺布放入到烘干箱内进行常规干燥处理,完成后取出即可。
实施例2
一种防水抗菌无纺布,所述无纺布的表面上浸扎有一层防水抗菌层。
所述防水抗菌层是由浸扎复合溶液沉积固定生成。
所述浸扎复合溶液是由如下对应重量份的物质组成:
28份聚丙烯酸酯、6份钛酸酯偶联剂、0.8份抗静电剂、17份甲基硅油、5份壬基酚聚氧乙烯醚、2份植物提取液、5份改性填料、13份乙酸乙酯。
所述植物提取液的制备方法包括如下步骤:
1)将黄芪、黄柏、黄连、白花蛇舌草、板蓝根、水对应按照重量比6:3:5:2:4:65进行混合;
2)加热沸煮处理1.8h后进行过滤,得滤液备用;
3)对滤液进行加热浓缩,完成后即得植物提取液。
所述步骤3)中所述加热浓缩处理是将滤液浓缩至原体积的23%。
所述改性填料的制备方法包括如下步骤:
a.先对高岭土进行球磨粉碎处理,然后再将其与纳米二氧化钛共混搅拌均匀,得混合料备用;
b.将步骤a所得的混合料投入到反应釜内,然后向反应釜内加入乙撑双月桂酰胺、聚丁二酸丁二醇酯、环氧大豆油,高速搅拌处理2.5h后出料,最后进行烘干、粉碎处理后即得改性填料。
步骤a中所述球磨粉碎处理后控制高岭土的颗粒大小为650目;所述纳米二氧化钛的颗粒大小为20~70nm;所述高岭土与纳米二氧化钛混合时对应的重量比为10:1.6。
步骤b中所述乙撑双月桂酰胺、聚丁二酸丁二醇酯、环氧大豆油的加入量分别是混合料总质量的13%、10%、2.5%;所述高速搅拌处理时加热保持反应釜内的温度为88℃、压力为1.3MPa。
一种防水抗菌无纺布的制备方法,包括如下步骤:
(1)将无纺布浸入到浸扎复合溶液中,然后进行浸扎处理,控制压力为2.2MPa,带液率为62%;
(2)将步骤(1)处理后的无纺布放入到烘干箱内进行常规干燥处理,完成后取出即可。
实施例3
一种防水抗菌无纺布,所述无纺布的表面上浸扎有一层防水抗菌层。
所述防水抗菌层是由浸扎复合溶液沉积固定生成。
所述浸扎复合溶液是由如下对应重量份的物质组成:
30份聚丙烯酸酯、7份钛酸酯偶联剂、1份抗静电剂、20份甲基硅油、7份壬基酚聚氧乙烯醚、3份植物提取液、6份改性填料、15份乙酸乙酯。
所述植物提取液的制备方法包括如下步骤:
1)将黄芪、黄柏、黄连、白花蛇舌草、板蓝根、水对应按照重量比7:4:6:3:5:70进行混合;
2)加热沸煮处理2h后进行过滤,得滤液备用;
3)对滤液进行加热浓缩,完成后即得植物提取液。
所述步骤3)中所述加热浓缩处理是将滤液浓缩至原体积的25%。
所述改性填料的制备方法包括如下步骤:
a.先对高岭土进行球磨粉碎处理,然后再将其与纳米二氧化钛共混搅拌均匀,得混合料备用;
b.将步骤a所得的混合料投入到反应釜内,然后向反应釜内加入乙撑双月桂酰胺、聚丁二酸丁二醇酯、环氧大豆油,高速搅拌处理3h后出料,最后进行烘干、粉碎处理后即得改性填料。
步骤a中所述球磨粉碎处理后控制高岭土的颗粒大小为700目;所述纳米二氧化钛的颗粒大小为20~70nm;所述高岭土与纳米二氧化钛混合时对应的重量比为10:2。
步骤b中所述乙撑双月桂酰胺、聚丁二酸丁二醇酯、环氧大豆油的加入量分别是混合料总质量的15%、12%、3%;所述高速搅拌处理时加热保持反应釜内的温度为90℃、压力为1.4MPa。
一种防水抗菌无纺布的制备方法,包括如下步骤:
(1)将无纺布浸入到浸扎复合溶液中,然后进行浸扎处理,控制压力为2.4MPa,带液率为64%;
(2)将步骤(1)处理后的无纺布放入到烘干箱内进行常规干燥处理,完成后取出即可。
对比实施例1
本对比实施例1与实施例2相比,区别仅在于,省去了植物提取液成分的制备和添加,除此外的方法步骤均相同。
对比实施例2
本对比实施例2与实施例2相比,区别仅在于,在改性填料的制备中,省去了纳米二氧化钛成分的添加使用,除此外的方法步骤均相同。
对比实施例3
本对比实施例3与实施例2相比,区别仅在于,用等质量份的普通高岭土取代改性填料成分,除此外的方法步骤均相同。
对比实施例4
本对比实施例4与实施例2相比,区别仅在于,省去了改性填料成分的制备和添加,除此外的方法步骤均相同。
对比实施例5
本对比实施例5与实施例2相比,区别仅在于,省去了植物提取液和改性填料成分的制备和添加,除此外的方法步骤均相同。
为了对比本发明效果,对上述实施例2、对比实施例1~5对应制得的无纺布进行性能测试,具体对比数据如下表1所示:
表1
注:上表1中所述的拒水等级的测定方法为GB/T4745-1997。
由上表1可以看出,本发明防水抗菌无纺布无论是在防水性还是抗菌性上,均有着性能的显著提升,明显提高了无纺布的市场竞争力,极具经济效益和实用价值。
上述实施例为本发明较佳的实施方式,但本发明的实施方式并不受上述实施例的限制,其他的任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化,均应为等效的置换方式,都包含在本发明的保护范围之内。
Claims (10)
1.一种防水抗菌无纺布,其特征在于,所述无纺布的表面上浸扎有一层防水抗菌层。
2.根据权利要求1所述的一种防水抗菌无纺布,其特征在于,所述防水抗菌层是由浸扎复合溶液沉积固定生成。
3.根据权利要求2所述的一种防水抗菌无纺布,其特征在于,所述浸扎复合溶液是由如下对应重量份的物质组成:
25~30份聚丙烯酸酯、4~7份钛酸酯偶联剂、0.5~1份抗静电剂、15~20份甲基硅油、3~7份壬基酚聚氧乙烯醚、1~3份植物提取液、3~6份改性填料、10~15份乙酸乙酯。
4.根据权利要求3所述的一种防水抗菌无纺布,其特征在于,所述浸扎复合溶液是由如下对应重量份的物质组成:
28份聚丙烯酸酯、6份钛酸酯偶联剂、0.8份抗静电剂、17份甲基硅油、5份壬基酚聚氧乙烯醚、2份植物提取液、5份改性填料、13份乙酸乙酯。
5.根据权利要求3或4所述的一种防水抗菌无纺布,其特征在于,所述植物提取液的制备方法包括如下步骤:
1)将黄芪、黄柏、黄连、白花蛇舌草、板蓝根、水对应按照重量比4~7:2~4:3~6:1~3:2~5:60~70进行混合;
2)加热沸煮处理1.5~2h后进行过滤,得滤液备用;
3)对滤液进行加热浓缩,完成后即得植物提取液。
6.根据权利要求5所述的一种防水抗菌无纺布,其特征在于,所述步骤3)中所述加热浓缩处理是将滤液浓缩至原体积的20~25%。
7.根据权利要求3或4所述的一种防水抗菌无纺布,其特征在于,所述改性填料的制备方法包括如下步骤:
a.先对高岭土进行球磨粉碎处理,然后再将其与纳米二氧化钛共混搅拌均匀,得混合料备用;
b.将步骤a所得的混合料投入到反应釜内,然后向反应釜内加入乙撑双月桂酰胺、聚丁二酸丁二醇酯、环氧大豆油,高速搅拌处理2~3h后出料,最后进行烘干、粉碎处理后即得改性填料。
8.根据权利要求7所述的一种防水抗菌无纺布,其特征在于,步骤a中所述球磨粉碎处理后控制高岭土的颗粒大小为600~700目;所述纳米二氧化钛的颗粒大小为20~70nm;所述高岭土与纳米二氧化钛混合时对应的重量比为10:1~2。
9.根据权利要求7所述的一种防水抗菌无纺布,其特征在于,步骤b中所述乙撑双月桂酰胺、聚丁二酸丁二醇酯、环氧大豆油的加入量分别是混合料总质量的10~15%、8~12%、2~3%;所述高速搅拌处理时加热保持反应釜内的温度为85~90℃、压力为1.2~1.4MPa。
10.一种防水抗菌无纺布的制备方法,其特征在于,包括如下步骤:
(1)将无纺布浸入到浸扎复合溶液中,然后进行浸扎处理,控制压力为2.0~2.4MPa,带液率为60~64%;
(2)将步骤(1)处理后的无纺布放入到烘干箱内进行常规干燥处理,完成后取出即可。
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