CN106589367B - 一种纳秒脉冲阳极聚合制备聚吡咯防腐层的溶液及方法 - Google Patents

一种纳秒脉冲阳极聚合制备聚吡咯防腐层的溶液及方法 Download PDF

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CN106589367B
CN106589367B CN201611138697.4A CN201611138697A CN106589367B CN 106589367 B CN106589367 B CN 106589367B CN 201611138697 A CN201611138697 A CN 201611138697A CN 106589367 B CN106589367 B CN 106589367B
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蒋永锋
包晔峰
陈秉岩
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Abstract

本发明公开一种纳秒脉冲微弧等离子体聚合制备纳米聚吡咯防腐层的溶液及方法，属于表面技术领域，溶液组分含量为：吡咯单体：0.01M‑0.05M，甲基‑吡咯：0.05M‑1M氯化钠：0.05M‑1M，98%浓硫酸：0.05M‑0.1M，其余为去离子水；将钢铁放入配制的溶液中，以钢铁为阳极，石墨为阴极，纳秒脉冲脉宽为200‑400 ns，脉冲电压幅值为400‑700V，即把钢铁置入溶液中，处理1‑3分钟，而在钢铁表面聚合制备纳米聚吡咯防腐层。相对于现有技术，本发明研究的钢铁表面纳秒脉冲微弧等离子体聚合制备纳米聚吡咯防腐层工艺运用纳秒脉冲微弧等离子体，根据钢铁电离能选区聚合分离，效率高，抗氧化性能好，电导率高、柔软、易成膜。本发明处理降低了成本，且其适合几乎所有的钢铁表面聚合制备纳米聚吡咯防腐层。

Description

一种纳秒脉冲阳极聚合制备聚吡咯防腐层的溶液及方法
技术领域
本发明涉及一种纳秒脉冲阳极聚合制备聚吡咯防腐层的溶液及方法，特别是一种纳秒脉冲微弧等离子体聚合制备纳米聚吡咯防腐层的方法，属于表面技术领域。
背景技术
聚吡咯具有在钢铁表面合成简便，抗氧化性能好，电导率高、柔软、易成膜优点。电化学方法制备的防腐膜层比较致密，能起到良好的防护作用。通常聚吡咯防腐膜层用动电位扫描法、恒电流聚合法、恒电位法和脉冲极化法等电化学方法聚合。这些方法需要多个工序才能制备出来。文献（王景平，采用脉冲电位制备聚吡咯电极的方法，CN201310529856.3和杨飞，燕群，李传宪，孙广宇，一种聚吡咯/无机纳米复合材料的制备方法，CN105670284A）分别叙述了一种电化学聚合制备聚吡咯防腐膜层的方法。前者用三电极加脉冲电压在工作点击上聚合制备聚吡咯，用掺杂离子实现其性能。后者电化学工作站合成的聚吡咯电复合膜。两者处理过程中都利用不同溶剂实现复合膜层的分布，因而需要多道工序解决复合膜层的抗氧化性能，电导率、柔软、成膜等问题。所以其存在处理时间长，操作条件差，需要后续加工等，成本较高限制。为了降低成本，提高效率，提供一种纳秒脉冲微弧等离子体聚合制备聚吡咯纳米防腐膜层的方法。
发明内容
本发明针对以上的不足，提供一种纳秒脉冲微弧等离子体聚合制备纳米聚吡咯防腐层的溶液及方法。该方法是以钢铁为阳极，惰性材料为阴极，纳秒脉冲脉宽为200-400ns，脉冲电压幅值为400-700V，处理1-3分钟，利用纳秒脉冲微弧等离子体聚合制备纳米聚吡咯防腐膜层的方法。该处理方法处理效率高，时间短，防腐膜层抗氧化性能好，电导率高、柔软、易成膜。本发明处理降低了成本，且其适合几乎所有的钢铁表面聚合制备纳米聚吡咯防腐层。
为了实现上述发明目的，本发明是通过以下技术方案实现的：
本发明所述钢铁表面纳秒脉冲微弧等离子体聚合制备纳米聚吡咯防腐层溶液组分为：吡咯单体：0.01M-0.05M，甲基-吡咯：0.05M-1M氯化钠： 0.05M-1M， 98wt% 浓硫酸：0.05M-0.1M，溶剂为去离子水。98wt%为质量浓度。0.05M-0.1M指硫酸在溶液中的最终浓度。其余浓度指溶质在整个溶液中的浓度。
使用上述溶液对钢铁表面纳秒脉冲微弧等离子体聚合制备纳米聚吡咯防腐层的方法如下：将钢铁放入配制的溶液中，以钢铁为阳极，石墨为阴极，纳秒脉冲脉宽为200-400ns，脉冲电压幅值为400-700V，即把钢铁置入溶液中，处理1-3分钟，而在钢铁表面聚合制备得到纳米聚吡咯防腐层。
相对于现有技术，本发明研究的钢铁表面纳秒脉冲微弧等离子体聚合制备纳米聚吡咯防腐层工艺运用纳秒脉冲微弧等离子体，根据钢铁电离能选区聚合分离，处理效率高，时间短，抗氧化性能好，电导率高、柔软、易成膜。本发明处理降低了成本，且其适合几乎所有的钢铁表面聚合制备纳米聚吡咯防腐层。处理时间从其他电化学的几十分钟缩短为微弧等离子体仅用几分钟，膜层的厚度从纳米尺度增加到微米尺度，膜层均匀性从复合成膜变为单独成膜。
具体实施方式
下面结合实施例对本发明进一步描述。以下实施例仅用于更加清楚地说明本发明的技术方案，而不能以此来限制本发明的保护范围。
实施例1
首先在一个10L槽中取2/3的去离子水，依次溶解300mL 98% 浓硫酸和400g氯化钠，等槽中试剂全部溶解之后，将150mL吡咯单体在快速搅拌下倒入槽液中，直至完全混合均匀，最后加水至10L，得到电解液，将Q235放入配制的溶液中，以Q235为阳极，石墨为阴极，纳秒脉冲脉宽为200 ns，脉冲电压幅值为400V，即把Q235置入溶液中，处理1分钟，而在Q235表面聚合制备纳米聚吡咯防腐层。测得聚吡咯膜层导电率为10 S/cm，中性盐雾试验超过24小时，超过钢铁中性盐雾试验的时间。
实施例2
首先在一个10L槽中取2/3的去离子水，依次溶解的300mL98% 浓硫酸和500g氯化钠，等槽中试剂全部溶解之后，将100mL甲基-吡咯单体在快速搅拌下倒入槽液中，直至完全混合均匀，最后加水至10L得到电解液，将316放入配制的溶液中，以316为阳极，石墨为阴极，纳秒脉冲脉宽为400 ns，脉冲电压幅值为400V，即把316置入溶液中，处理3分钟，而在316表面聚合制备纳米聚吡咯防腐层。测得聚吡咯膜层导电率为8.0 S/cm，中性盐雾试验超过24小时，超过钢铁中性盐雾试验的时间。
实施例3
首先在一个15L槽中取2/3的去离子水，依次溶解350mL 98% 浓硫酸和500g氯化钠，等槽中试剂全部溶解之后，将100mL苯胺单体在快速搅拌下倒入槽液中，直至完全混合均匀，最后加水至10L得到电解液，将16Mn放入配制的溶液中，以16Mn为阳极，石墨为阴极，纳秒脉冲脉宽为200 ns，脉冲电压幅值为400V，即把16Mn置入溶液中，处理2分钟，而在16Mn表面聚合制备纳米聚吡咯防腐层。测得聚吡咯膜层导电率为20 S/cm，中性盐雾试验超过24小时，超过钢铁中性盐雾试验的时间。
测得聚吡咯膜层导电率为5.0-40S/cm，中性盐雾试验超过24小时，超过钢铁中性盐雾试验的时间。
以上所述仅是本发明的优选实施方式，应当指出：对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和等同形式的替换，这些改进和等同替换得到的技术方案也应属于本发明的保护范围。

Claims (4)

1.使用溶液对钢铁表面纳秒脉冲微弧等离子体聚合制备纳米聚吡咯防腐层的方法，其特征在于：溶液的组分含量为：吡咯单体：0.01M-0.05M，甲基-吡咯：0.05M-1M，氯化钠：0.05M-1M， 98% 浓硫酸：0.05M-0.1M，溶剂为去离子水；将钢铁放入所述的溶液中，以钢铁为阳极，石墨为阴极，纳秒脉冲脉宽为200-400 ns，脉冲电压幅值为400-700V，即把钢铁置入溶液中，处理1-3分钟，在钢铁表面聚合制备纳米聚吡咯防腐层。
2.根据权利要求1所述的制备纳米聚吡咯防腐层的方法，其特征在于：聚吡咯膜层导电率为5.0-40S/cm，中性盐雾试验超过24小时。
3.根据权利要求1所述的制备纳米聚吡咯防腐层的方法，其特征在于：把钢铁置入溶液中，处理2分钟。
4.根据权利要求1所述的制备纳米聚吡咯防腐层的方法，其特征在于：脉冲电压幅值为400 V。
CN201611138697.4A 2016-12-12 2016-12-12 一种纳秒脉冲阳极聚合制备聚吡咯防腐层的溶液及方法 Expired - Fee Related CN106589367B (zh)

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