双(N,N'-二正己基-乙烯基胺)-1,4-二乙烯基-哌嗪-二丁二酸盐的合成与减阻性能

doi:10.16085/j.issn.1000-6613.2017-1750

化工进展 ›› 2018, Vol. 37 ›› Issue (07): 2814-2819.DOI: 10.16085/j.issn.1000-6613.2017-1750

双(N,N'-二正己基-乙烯基胺)-1,4-二乙烯基-哌嗪-二丁二酸盐的合成与减阻性能

赵巍, 王晓司, 王晓霖, 方向晨

中国石油化工股份有限公司大连石油化工研究院, 辽宁大连 113001

收稿日期:2017-08-21 修回日期:2017-12-15 出版日期:2018-07-05 发布日期:2018-07-05
通讯作者: 赵巍(1983-),男,工学博士,高级工程师。主要研究方向为高分子材料及添加剂的合成。
作者简介:赵巍(1983-),男,工学博士,高级工程师。主要研究方向为高分子材料及添加剂的合成。E-mail:zhaow.fshy@sinopec.com
基金资助:
中国石化科技发展项目（314045）。

Synthesis and drag reduction of bis(N,N'-di-n-hexyl-vinylamine)-1, 4-divinyl-piperazine disuccinate

ZHAO Wei, WANG Xiaosi, WANG Xiaolin, FANG Xiangchen

Sinopec Dalian Research Institute of Petroleum and Petrochemicals, Dalian 116045, Liaoning, China

Received:2017-08-21 Revised:2017-12-15 Online:2018-07-05 Published:2018-07-05

摘要/Abstract

摘要： 为解决天然气管道增加输气量、满足季节性调峰需求、保障在役管道安全运行，应用有机胺和乙醛经过亲核加成反应，合成添加剂双（N，N’-二正己基-乙烯基胺）-1，4-二乙烯基-哌嗪-二丁二酸盐（BHVVPS）。采用傅里叶变换红外光谱（FTIR）和元素分析（ELA）对产品进行结构表征。应用扫描电子显微镜（SEM）、电化学法对其成膜性及其稳定性进行测试。应用模拟环道对产品进行减阻性能测试。FTIR和ELA测试证明了产品的化学结构。喷涂在钢片表面的减阻剂BHVVPS形成了一层致密的保护膜，大大降低钢片表面粗糙度。电化学阻抗实验中，由高频区至低频区形成了两个连续的容抗弧。电化学极化曲线中，在BHVVPS存在下，自腐蚀电流减小了0.87×^10-5A，自腐蚀电位值增大了0.214V。室内环道实验中BHVVPS平均减阻率为9.9%，连续实验60天后，其减阻率仍维持在8.0%以上。合成的BHVVPS具有较好的成膜性及其成膜稳定性，可大幅度降低钢片表面的粗糙度，且具有较好的减阻效果。

关键词: 天然气, 管道, 腐蚀, 膜, 稳定性

Abstract: To increase the rate of gas transmission, meet seasonal variety and operation safety, a novel drag reducing agent (DRA), bis(N,N'-di-n-hexyl-vinylamine)-1,4-divinyl-piperazine disuccinate (BHVVPS), was synthesized by amines and acetaldehyde. The structure of BHVVPS was characterized with Fourier transform infrared spectroscopy (FTIR) and elemental analysis (ELA). Film-forming property and stability were assayed by scanning electron microscope (SEM), electrochemical method. And drag reduction was measured by the loop test. The results of FTIR and ELA tests indicated that the product was the target compound. The BHVVPS sprayed on the surface of the steel sheet formed a dense protective film, which decreased roughness of the steel. In electrochemical impedance test, the DRA formed two capacitive arcs successively from high frequency region to the low. With the BHVVPS, self-corrosion potential was increased by 0.214V while self-corrosion current was decreased by 0.87×^10-5A. In the loop test, the average drag reduction of BHVVPS was 9.9%, which was maintained above 8.0% for 60 days. The DRA synthesized possessed good film-forming property and stability. And the additive can reduce the roughness and possessed good drag reduction.

Key words: natural gas, pipeline, corrosion, film, stability

中图分类号:

O622.6

赵巍, 王晓司, 王晓霖, 方向晨. 双(N,N'-二正己基-乙烯基胺)-1,4-二乙烯基-哌嗪-二丁二酸盐的合成与减阻性能[J]. 化工进展, 2018, 37(07): 2814-2819.

ZHAO Wei, WANG Xiaosi, WANG Xiaolin, FANG Xiangchen. Synthesis and drag reduction of bis(N,N'-di-n-hexyl-vinylamine)-1, 4-divinyl-piperazine disuccinate[J]. Chemical Industry and Engineering Progress, 2018, 37(07): 2814-2819.

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双(N,N'-二正己基-乙烯基胺)-1,4-二乙烯基-哌嗪-二丁二酸盐的合成与减阻性能

Synthesis and drag reduction of bis(N,N'-di-n-hexyl-vinylamine)-1, 4-divinyl-piperazine disuccinate

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