CN107460643A - 喷漆用高效过滤棉的制备方法 - Google Patents

喷漆用高效过滤棉的制备方法 Download PDF

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CN107460643A
CN107460643A CN201710671475.7A CN201710671475A CN107460643A CN 107460643 A CN107460643 A CN 107460643A CN 201710671475 A CN201710671475 A CN 201710671475A CN 107460643 A CN107460643 A CN 107460643A
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cotton
electrostatic
graphene oxide
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邓军
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Chengdu Paint Star Environmental Protection Technology Co Ltd
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Abstract

本发明公开了喷漆用高效过滤棉的制备方法，包括以下步骤：将热熔纤维、非热熔纤维、碳纤维、球形活性炭、分散剂、聚丙烯胶粒导入混合器中，并加入静电驻极体，再搅拌均匀，以形成混合体；将混合体加热制得浆料；将浆料进行喷丝，再将喷出的纤维丝牵引排列而制成网，最后再加固成静电棉；将静电棉浸渍在氧化石墨烯分散液中；将氧化石墨烯分散液中浸渍后的静电棉置于冷冻干燥机的冷冻腔内，使其凝固为固体；将凝固后的静电棉抽真空，保持低温使溶剂升华，得到含有氧化石墨烯的静电棉；采用电晕放电法将含有氧化石墨烯的静电棉布加驻复数正电荷，得到成品过滤棉。本发明制备的成品对漆雾的过滤棉吸附、过滤、除杂效率高。

Description

喷漆用高效过滤棉的制备方法
技术领域
本发明涉及一种过滤棉制备方法，具体涉及喷漆用高效过滤棉的制备方法。
背景技术
如今，喷漆的涂料仍以溶剂为主，漆膜表面及漆雾中的有机溶剂—苯、甲苯、二甲苯(简称三苯)直接挥发至车间空气中，同时，微小的漆雾雾滴在溶剂挥发后形成粉尘，也散逸在车间空气中。三苯属强毒性溶剂。作业时散发至车间空气中，工人经呼吸道吸入后，空气中，工人经呼吸道吸入后，可引起急性和慢性中毒,主要引起中枢神经系统及造血系统的损害，短期吸入高浓度的苯蒸气，即可引起再生障碍性贫血；经常吸入低浓度的苯蒸气，也可引起恶心、呕吐、神智模糊等神经症状,少数还可引起神经衰弱症候群。
因此，在喷漆过程中，对漆雾中的空气过滤至关重要，目前，在工厂内直接使用吸附剂，首先吸附速率慢，对粉尘的过滤效率低，厂区面积大，漆雾扩散范围广，因此，工厂中喷漆房的环境污染是工业重要污染之一。
发明内容
本发明所要解决的技术问题是工厂漆雾污染严重的问题，目的在于提供喷漆用高效过滤棉的制备方法，解决工厂漆雾污染的问题。
本发明通过下述技术方案实现：
喷漆用高效过滤棉的制备方法，包括以下步骤：
S1、将热熔纤维、非热熔纤维、碳纤维、球形活性炭、分散剂、聚丙烯胶粒导入混合器中，并加入静电驻极体，再搅拌均匀，以形成混合体；
S2、将步骤S1中的混合体加热至166～168℃熔融，制得浆料；
S3、将步骤S2中获得的浆料以口径为63.5μm的喷头进行喷丝，再将喷出的纤维丝牵引排列而制成网，最后再加固成静电棉；
S4、将步骤S3中得到的静电棉浸渍在氧化石墨烯分散液中；
S5、将步骤S4中在氧化石墨烯分散液中浸渍后的静电棉置于冷冻干燥机的冷冻腔内，使其凝固为固体；
S6、将步骤S5所得的凝固后的静电棉抽真空，保持低温使溶剂升华，得到含有氧化石墨烯的静电棉；
S7、采用电晕放电法将步骤S6中的含有氧化石墨烯的静电棉布加驻复数正电荷，得到成品过滤棉。
步骤S1中聚丙烯胶粒与静电驻极体的重量配比为99:1。
本发明中过滤棉制备成静电棉，通过静电吸附能够提高过滤棉吸附粉尘颗粒的吸附效率，并且，本发明中设计的静电棉内含有氧化石墨烯分散液，由于氧化石墨烯含有丰富的含氧官能团，含有氧化石墨烯的静电棉可以氧化空气中的有毒气体，净化空气，且增大了比表面积，提高了静电棉的过滤效果和吸附性能，可以吸附空气中的PM2.5等细小颗粒物，可广泛应用于空气净化。因此，通过本发明制备的成品对漆雾的过滤棉吸附、过滤、除杂效率高。
所述步骤S1中的热熔纤维包括聚乙烯纤维、聚丙烯纤维、聚酯纤维、聚酰胺纤维、聚丙烯腈纤维、聚氯乙烯纤维、聚乙烯醇纤维中的任意一种或几种。
所述步骤S1中的非热熔纤维是黏胶纤维、芳纶纤维、棉纤维、亚麻纤维、大麻纤维、黄麻纤维、剑麻纤维、聚酰亚胺纤维中的任意一种或几种。
所述步骤S4中氧化石墨烯分散液的浓度为0.01-2mg/ml、氧化石墨烯分散液的浓度越高，其加工工艺越复杂，成本越大，本发明在保证成品过滤棉具有高效过滤、吸附效率的同时，合理控制氧化石墨烯分散液的浓度。
本发明与现有技术相比，具有如下的优点和有益效果：
1、本发明喷漆用高效过滤棉的制备方法过滤棉制备成静电棉，通过静电吸附能够提高过滤棉吸附粉尘颗粒的吸附效率；
2、本发明喷漆用高效过滤棉的制备方法中设计的静电棉内含有氧化石墨烯分散液，由于氧化石墨烯含有丰富的含氧官能团，含有氧化石墨烯的静电棉可以氧化空气中的有毒气体，净化空气，且增大了比表面积，提高了静电棉的过滤效果和吸附性能，可以吸附空气中的PM2.5等细小颗粒物，可广泛应用于空气净化；
3、本发明喷漆用高效过滤棉的制备方法制备的成品对漆雾的过滤棉吸附、过滤、除杂效率高。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚明白，下面结合实施例，对本发明作进一步的详细说明，本发明的示意性实施方式及其说明仅用于解释本发明，并不作为对本发明的限定。
实施例
本发明喷漆用高效过滤棉的制备方法，包括以下步骤：
S1、将热熔纤维、非热熔纤维、碳纤维、球形活性炭、分散剂、聚丙烯胶粒导入混合器中，并加入静电驻极体，再搅拌均匀，以形成混合体；
S2、将步骤S1中的混合体加热至166～168℃熔融，制得浆料；
S3、将步骤S2中获得的浆料以口径为63.5μm的喷头进行喷丝，再将喷出的纤维丝牵引排列而制成网，最后再加固成静电棉；
S4、将步骤S3中得到的静电棉浸渍在氧化石墨烯分散液中；
S5、将步骤S4中在氧化石墨烯分散液中浸渍后的静电棉置于冷冻干燥机的冷冻腔内，使其凝固为固体；
S6、将步骤S5所得的凝固后的静电棉抽真空，保持低温使溶剂升华，得到含有氧化石墨烯的静电棉；
S7、采用电晕放电法将步骤S6中的含有氧化石墨烯的静电棉布加驻复数正电荷，得到成品过滤棉。
步骤S1中聚丙烯胶粒与静电驻极体的重量配比为99:1。所述步骤S1中的热熔纤维包括聚乙烯纤维、聚丙烯纤维、聚酯纤维、聚酰胺纤维、聚丙烯腈纤维、聚氯乙烯纤维、聚乙烯醇纤维中的任意一种或几种。所述步骤S1中的非热熔纤维是黏胶纤维、芳纶纤维、棉纤维、亚麻纤维、大麻纤维、黄麻纤维、剑麻纤维、聚酰亚胺纤维中的任意一种或几种。所述步骤S4中氧化石墨烯分散液的浓度为0.01-2mg/ml、氧化石墨烯分散液的浓度越高，其加工工艺越复杂，成本越大，本发明在保证成品过滤棉具有高效过滤、吸附效率的同时，合理控制氧化石墨烯分散液的浓度。
本发明中过滤棉制备成静电棉，通过静电吸附能够提高过滤棉吸附粉尘颗粒的吸附效率，并且，本发明中设计的静电棉内含有氧化石墨烯分散液，由于氧化石墨烯含有丰富的含氧官能团，含有氧化石墨烯的静电棉可以氧化空气中的有毒气体，净化空气，且增大了比表面积，提高了静电棉的过滤效果和吸附性能，可以吸附空气中的PM2.5等细小颗粒物，可广泛应用于空气净化。因此，通过本发明制备的成品对漆雾的过滤棉吸附、过滤、除杂效率高。
以上所述的具体实施方式，对本发明的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本发明的具体实施方式而已，并不用于限定本发明的保护范围，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (5)

1.喷漆用高效过滤棉的制备方法，其特征在于，包括以下步骤：
S1、将热熔纤维、非热熔纤维、碳纤维、球形活性炭、分散剂、聚丙烯胶粒导入混合器中，并加入静电驻极体，再搅拌均匀，以形成混合体；
S2、将步骤S1中的混合体加热至166～168℃熔融，制得浆料；
S3、将步骤S2中获得的浆料以口径为63.5μm的喷头进行喷丝，再将喷出的纤维丝牵引排列而制成网，最后再加固成静电棉；
S4、将步骤S3中得到的静电棉浸渍在氧化石墨烯分散液中；
S5、将步骤S4中在氧化石墨烯分散液中浸渍后的静电棉置于冷冻干燥机的冷冻腔内，使其凝固为固体；
S6、将步骤S5所得的凝固后的静电棉抽真空，保持低温使溶剂升华，得到含有氧化石墨烯的静电棉；
S7、采用电晕放电法将步骤S6中的含有氧化石墨烯的静电棉布加驻复数正电荷，得到成品过滤棉。
2.根据权利要求1所述的喷漆用高效过滤棉的制备方法，其特征在于，步骤S1中聚丙烯胶粒与静电驻极体的重量配比为99:1。
3.根据权利要求1所述的喷漆用高效过滤棉的制备方法，其特征在于，所述步骤S1中的热熔纤维包括聚乙烯纤维、聚丙烯纤维、聚酯纤维、聚酰胺纤维、聚丙烯腈纤维、聚氯乙烯纤维、聚乙烯醇纤维中的任意一种或几种。
4.根据权利要求1所述的喷漆用高效过滤棉的制备方法，其特征在于，所述步骤S1中的非热熔纤维是黏胶纤维、芳纶纤维、棉纤维、亚麻纤维、大麻纤维、黄麻纤维、剑麻纤维、聚酰亚胺纤维中的任意一种或几种。
5.根据权利要求1所述的喷漆用高效过滤棉的制备方法，其特征在于，所述步骤S4中氧化石墨烯分散液的浓度为0.01-2mg/ml。
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