CN114179492A - 一种新型吸水性抗菌支架复合型加湿材料的制备方法 - Google Patents

一种新型吸水性抗菌支架复合型加湿材料的制备方法 Download PDF

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CN114179492A
CN114179492A CN202111652253.3A CN202111652253A CN114179492A CN 114179492 A CN114179492 A CN 114179492A CN 202111652253 A CN202111652253 A CN 202111652253A CN 114179492 A CN114179492 A CN 114179492A
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water
absorbing material
absorbing
spraying
parts
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严安亮
陈勇
刘丰华
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Nantong Deli Purification Equipment Factory Co ltd
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Nantong Deli Purification Equipment Factory Co ltd
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Abstract

本发明公开了一种新型吸水性抗菌支架复合型加湿材料的制备方法，将吸水材料经水性乳液、杀菌剂、去离子水混合制得的功能浆液浸涂或喷涂后，经热风干燥后，再与多孔支撑网复合即得。经功能浆液制得的吸水材料与多孔支撑网复合后，既赋予了吸水材料优良的抗菌性能，对念球菌、杆菌、葡萄球菌等常见菌类灭杀率可超99％，同时不影响原材料的吸湿性能。而且由于多孔支撑网增加了产品透气性能，从而加大了加湿量，而且不易变形，使用范围广、使用寿命长、加工简单，可以制造成瓦楞型、打折型、冲孔拉网型、绕圈型等多种形状的加湿模块。

Description

一种新型吸水性抗菌支架复合型加湿材料的制备方法
技术领域
本发明涉及空气加湿控湿技术领域，具体涉及一种新型吸水性抗菌支架复合型加湿材料及其制备方法。
背景技术
随着人们对空气质量要求的提高，环境控湿成为室内舒适环境的必要条件。常见加湿控湿的材料多见于吸湿纸、吸湿水刺棉、吸湿高分子膜材等材料，但由于该类材料存在易被细菌污染、使用周期短、结构容易崩塌等缺点。金属以及塑料材料亦成为行业中的一种选择，其中金属铝箔、铜箔等以其较高的延展性和可加工性，成为行业首选的材料类别。如加湿器中，市场上已出现铝箔制作的铝箔加湿湿帘，该湿帘采用水自上而下的浇淋方式，水可在铝箔表面形成湿膜，利用鼓风的携带蒸发作用，可实现对环境的加湿降温等功效；但是由于铝箔自身成分构成原因，缺乏对水汽的持留及吸附，本身对水分及水汽缺少调节作用，吸水吸湿不足，致使加湿量小。
发明内容
本发明要解决的技术问题是克服现有技术中的加湿材料吸水吸湿不足，致使加湿量小的缺陷，提供一种可具有吸湿控湿、抗菌杀菌、简单易加工、使用寿命长的新型吸水性抗菌支架复合型加湿材料及其制备方法。
为了解决上述技术问题，本发明提供了如下的技术方案：
一种新型吸水性抗菌支架复合型加湿材料，其制备方法为，吸水材料经水性乳液、杀菌剂、去离子水混合制得的功能浆液浸涂或喷涂后，经热风干燥后，再与多孔支撑网复合。支撑网可以是单层也可以是双层，吸水材料可以是单层也可以是双层，可以根据需要进行组合。
功能浆液干燥后的吸水材料具有优良的抗菌性能，对念球菌、杆菌、葡萄球菌等常见菌类灭杀率可超99％。
进一步的，所述吸水材料可以是吸水木浆纤维、吸水无纺布、吸水水刺棉中的一种或两种。
进一步的，所述功能浆液由以下重量份的组分制备而成：
水性乳液 1-100份；
杀菌剂 1-10份；
去离子水 40-100份。
其制备方法包括以下步骤：
1)制浆：以重量份计，称取1-100份水性乳液、1-10份杀菌剂、40-100份去离子水倒入混料桶中，开启升降搅拌机头以300-700rpm混合10-40min，即得混合浆料，高速搅拌可得到混合均匀分散性优异的乳液；
2)上浆：采用浸涂或喷涂工艺进行；
浸涂工艺为，将所制的混合浆料倒入浸轧槽内，将吸水材料卷经送料辊轮送至并浸入浸轧槽，保证吸水材料浸入液面以下2cm，经传送辊轮送入对轧辊道压出余液，余液收集并回用，该工艺可调整浆料浓度、走料速度、浸入次数来调整浸涂量及均匀性；
喷涂工艺为，将所制的混合浆料倒入喷涂专用料筒，将气动喷枪进液管插入料筒内，喷枪喷头置于喷涂箱内吸水材料走料位置的上方和下方10cm处，将吸水材料经送料辊轮送至喷涂箱内，喷涂箱底部设置余液收集池并回用，该工艺综合调整气压、气体流量、吸水材料送料速度、喷枪喷头数量、浆料浓度及重复喷涂次数可有效调整喷涂量；
3)热风干燥：吸水材料浸涂/喷涂后经传送辊轮送至隧道式烘箱传送带上，105℃±5℃干燥10-60min，该温度可保证水分较为充分的去除而不影响产品杀菌性能；
4)收卷：将烘干的吸水材料于收卷转轮上收卷即得成品。
进一步的，所述水性乳液，为聚醋酸乙烯酯EVA乳液、聚丙烯酸PAA乳液的一种或两种混合，固含量20-60wt％，该组分具有很好的低温成膜性。
进一步的，所述杀菌剂为聚六亚甲基双胍PHMB、聚六亚甲基胍PHMG、银盐的一种或几种混合，该成分固化于纤维材料中，赋予纤维材料抗菌抑菌性能，且可缓释于水中起到对水体灭杀细菌的功效。
进一步的，所述多孔支撑网为多孔性金属网、塑料网、树脂网、玻纤网等中的平面型孔网，孔型可以是圆形、椭圆形、三角形、四边形及其余多边形、异形中的任意一种。
进一步的，所述吸水材料与多孔支撑网的复合方式为胶粘，所用胶粘材质可以为EVA热熔胶、乳胶等耐水型胶的任意一种。
本发明有益效果为：
经功能浆液制得的吸水材料与多孔支撑网复合后，既赋予了吸水材料优良的抗菌性能，对念球菌、杆菌、葡萄球菌等常见菌类灭杀率可超99％，同时不影响原材料的吸湿性能。而且由于多孔支撑网增加了产品透气性能，从而加大了加湿量，而且不易变形，使用范围广、使用寿命长、加工简单，可以制造成瓦楞型、打折型、冲孔拉网型、绕圈型等多种形状的加湿模块。
具体实施方式
以下对本发明的优选实施例进行说明，应当理解，此处所描述的优选实施例仅用于说明和解释本发明，并不用于限定本发明。
实施例1
一种新型吸水性抗菌铝网复合无纺布加湿材料制备方法，包括以下步骤：
1)制浆：称取50kg水性EVA乳液(固含量45％)、1kg聚六亚甲基双胍PHMB溶液(30％固含量)、100kg去离子水倒入混料桶中，开启升降搅拌机头以300-700rpm混合30min，即得混合浆料；
2)喷涂上浆：将所制的混合浆料取10kg倒入喷涂专用料筒，将气动喷枪进液管插入料筒内，喷枪喷头置于喷涂箱内吸水无纺布走料位置的上方和下方10cm处，将吸水无纺布经送料辊轮送至喷涂箱内,喷涂气压调整至0.5MPa，气流量10m3/h，吸水无纺布速度50cm/min,单次上下喷涂，喷涂箱底部设置余液收集池并回用；
3)热风干燥：喷涂吸水无纺布经传送辊轮送至隧道式烘箱传送带上，105℃±5℃干燥20min；
4)收卷：将烘干的吸水无纺布于收卷转轮上收卷即得成品。
制得的抗菌吸水无纺布上、下各一层，中间一层为多孔铝网对齐后经滚涂胶膜复合制得吸水性抗菌铝网复合无纺布加湿材料。
制得的吸水性抗菌铝网复合无纺布加湿材料经测试，取样10*10cm水中浸泡后晾干并称重，吸湿量可达到吸水性抗菌铝网复合无纺布加湿材料重量(干重)80wt％；经第三方权威机构抗菌性测试，念球菌、杆菌、葡萄球菌等常见菌类灭杀率均超99.9％；成品外表面平整、牢固无起泡分层现象。
取相同面积按相同方式制成相同规格产品在相同条件下进行对比测试
Figure BDA0003446866880000041
实施例2
一种新型吸水性抗菌塑料网复合水刺棉加湿材料的制备方法，包括以下步骤：
1)制浆：60kg水性PPA乳液(固含量53％)、1kg聚六亚甲基单胍PHMG溶液(30％固含量)、100kg去离子水倒入混料桶中，开启升降搅拌机头以300-700rpm混合30min，即得混合浆料；
2)浸涂上浆：取所制的20kg混合浆料倒入浸轧槽内，将吸水水刺棉经送料辊轮送至并浸入浸轧槽，保证吸水水刺棉浸入液面以下2cm，吸水水刺棉走料速度50cm/min经传送辊轮送入对轧辊道压出余液，余液收集并回用；
3)热风干燥：浸涂吸水水刺棉经传送辊轮送至隧道式烘箱传送带上，105℃±5℃干燥20min；
4)收卷：将烘干的吸水水刺棉于收卷转轮上收卷即得成品。
制得的水刺棉加湿材料上、下各一层，中间一层多孔塑料网对齐后经滚涂胶膜复合制得新型吸水性抗菌塑料网复合水刺棉加湿材料。
制得的新型吸水性抗菌塑料网复合水刺棉加湿材料经测试，取样10*10cm水中浸泡后晾干称重，吸湿量可达到新型吸水性抗菌塑料网复合水刺棉加湿材料重量(干重)60wt％；经第三方权威机构抗菌性测试，念球菌、杆菌、葡萄球菌等常见菌类灭杀率均超99.9％；成品外表面平整、牢固无起泡分层现象。
取相同面积按相同方式制成相同规格产品在相同条件下进行对比测试
Figure BDA0003446866880000051
实施例3
一种新型吸水性抗菌树脂网复合木浆纤维加湿材料的制备方法，包括以下步骤：
1)制浆：称取40kg水性EVA乳液(固含量45％)、40kg水性PPA乳液(固含量53％)、1kg聚六亚甲基双胍PHMB溶液(30％固含量)、100kg去离子水倒入混料桶中，开启升降搅拌机头以300-700rpm混合40min，即得混合浆料；
2)喷涂上浆：将所制的混合浆料取10kg倒入喷涂专用料筒，将气动喷枪进液管插入料筒内，喷枪喷头置于喷涂箱吸水木浆纤维走料位置的上方和下方10cm处，将吸水木浆纤维经送料辊轮送至喷涂箱内,喷涂气压调整至0.5MPa，气流量20m3/h，吸水木浆纤维走料速度50cm/min,单次上下喷涂，喷涂箱底部设置余液收集池并回用；
3)热风干燥：喷涂吸水木浆纤维经传送辊轮送至隧道式烘箱传送带上，105℃±5℃干燥20min；
4)收卷：将烘干的吸水木浆纤维于收卷转轮上收卷即得成品。
制得的抗菌吸水木浆纤维上、下各一层，中间一层多孔树脂网对齐后经滚涂胶膜复合制得吸水性抗菌树脂网复合木浆纤维加湿材料。
制得的吸水性抗菌树脂网复合木浆纤维加湿材料经测试，取样10*10cm水中浸泡后晾干称重，吸湿量可达到吸水性抗菌树脂网复合木浆纤维加湿材料重量(干重)75wt％；经第三方权威机构抗菌性测试，念球菌、杆菌、葡萄球菌等常见菌类灭杀率均超99.9％；成品外表面平整、牢固无起泡分层现象。
取相同面积按相同方式制成相同规格产品在相同条件下进行对比测试
Figure BDA0003446866880000061
实施例4
一种新型吸水性抗菌玻纤网复合无纺布加湿材料的制备方法，包括以下步骤：
1)制浆：称取50kg水性EVA乳液(固含量45％)、1kg聚六亚甲基双胍PHMB溶液(30％固含量)、100kg去离子水倒入混料桶中，开启升降搅拌机头以300-700rpm混合30min，即得混合浆料；
2)浸涂上浆：取所制的10kg混合浆料倒入浸轧槽内，将吸水无纺布经送料辊轮送至并浸入浸轧槽，保证吸水无纺布浸入液面以下2cm，吸水无纺布走料速度30cm/min经传送辊轮送入对轧辊道压出余液，余液收集并回用；
3)热风干燥：浸涂吸水无纺布经传送辊轮送至隧道式烘箱传送带上，105℃±5℃干燥10min；
4)收卷：将烘干的吸水无纺布转轮上收卷即得成品。
制得的抗菌吸水无纺布为上层，下层多孔树脂网对齐后经滚涂胶膜复合制得新型吸水性抗菌玻纤网复合无纺布加湿材料。
制得的新型吸水性抗菌玻纤网复合无纺布加湿材料经测试，取样10*10cm水中浸泡后晾干称重，吸湿量可达到成品重量(干重)70wt％；经第三方权威机构抗菌性测试，念球菌、杆菌、葡萄球菌等常见菌类灭杀率均超99.9％；成品外表面平整、牢固无起泡分层现象。
取相同面积按相同方式制成相同规格产品在相同条件下进行对比测试
Figure BDA0003446866880000071
最后应说明的是：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，尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换。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 (10)

1.一种新型吸水性抗菌支架复合型加湿材料的制备方法，其特征在于，
将吸水材料经水性乳液、杀菌剂、去离子水混合制得的功能浆液浸涂或喷涂后，经热风干燥后，再与多孔支撑网复合即得。
2.如权利要求1所述的制备方法，其特征在于，所述多孔支撑网为单层网或双层网，吸水材料为单层或双层。
3.如权利要求1所述的制备方法，其特征在于，所述的吸水材料为吸水木浆纤维、吸水无纺布、吸水水刺棉中的任意一种或多种。
4.如权利要求1所述的制备方法，其特征在于，所述的功能浆液由以下重量份的组分制备而成：
水性乳液 1-100份；
杀菌剂 1-10份；
去离子水 40-100份。
5.如权利要求1所述的制备方法，其特征在于，所述的功能浆液由以下重量份的组分制备而成：
水性乳液 40-60份；
杀菌剂 1-10份；
去离子水 40-100份。
6.如权利要求1所述的制备方法，其特征在于，所述水性乳液为聚醋酸乙烯酯乳液和/或聚丙烯酸乳液，固含量20-60wt％。
7.如权利要求1所述的制备方法，其特征在于，所述杀菌剂为聚六亚甲基双胍、聚六亚甲基胍或银盐中的一种或几种。
8.如权利要求1所述的制备方法，其特征在于，所述的多孔支撑网为多孔性金属网、塑料网、树脂网或玻纤网中的平面型孔网。
9.如权利要求1所述的制备方法，其特征在于，吸水材料与多孔支撑网的复合方式为胶粘，所用胶粘材质为EVA热熔胶或乳胶。
10.如权利要求1所述的制备方法，其特征在于，具体包括以下步骤：
1)、制浆：称取水性乳液、杀菌剂、去离子水倒入混料桶中，开启升降搅拌机头以300-700rpm混合10-40min，即得混合浆料；
2)、上浆：采用浸涂或喷涂工艺进行；
浸涂工艺为将所制的功能浆液倒入浸轧槽内，将吸水材料卷经送料辊轮送至并浸入浸轧槽，保证吸水材料浸入液面以下2cm，经传送辊轮送入对轧辊道压出余液，余液收集并回用；
喷涂工艺为将所制的功能浆液倒入喷涂专用料筒，将气动喷枪进液管插入料筒内，喷枪喷头置于喷涂箱内吸水材料走料位置的上方和下方10cm处，将吸水材料经送料辊轮送至喷涂箱内，喷涂箱底部设置余液收集池并回用，调整气压、气体流量、吸水材料送料速度、喷枪喷头数量、浆料浓度及重复喷涂次数可有效调整喷涂量；
3)、热风干燥：吸水材料浸涂/喷涂后经传送辊轮送至隧道式烘箱传送带上，105℃±5℃干燥10-60min；
4)、收卷：将烘干的吸水材料于收卷转轮上收卷即得成品。
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