高分子纳米材料缓蚀型气体减阻剂及其性能  

Development and performance study on polymer anti-corrosion nano-material DRA for gas pipeline

作　　者：郭海峰[1] 高安东[2] 周广 刘玮莅[1] 张志恒[1] 常维纯[1] 李春漫[1] 

机构地区：[1]中国石油管道科技研究中心.油气管道输送安全国家工程实验室,河北廊坊065000 [2]中国石化管道储运分公司,江苏徐州221008 [3]中国石油西南管道分公司兰州输油气分公司管道科,甘肃兰州730000

出　　处：《油气储运》2013年第1期43-46,共4页Oil & Gas Storage and Transportation

基　　金：中国石油天然气管道分公司科技攻关项目"天然气管道缓蚀型减阻剂研制";油气1107-2

摘　　要：合成了聚苯乙烯-聚甲基丙烯酸甲酯复合型高分子纳米材料,使其表面成分聚甲基丙烯酸甲酯进一步与烷基二元胺甲醇溶液中过量的胺基发生反应,形成胺基改性的输气管道高分子纳米材料减阻剂。利用现代分析仪器对该材料的化学结构进行表征,其由均匀分布的聚甲基丙烯酸甲酯球形纳米粒子组成,表面修饰一层十二烷基二元胺分子膜,粒子平均粒径150nm。纳米粒子能够"填充"管道内壁粗糙的凹凸表面,降低管道内壁的粗糙度,减阻率达到9%;密布在纳米粒子表面的胺基基团的协同效用增强了纳米材料的缓蚀性能,缓蚀效率大于85%。因此,该材料对于输气管道兼具减阻和防腐功能,能够在保障管道运行安全的条件下迅速增加输量。Polystyrene-polymethylmethacrylate composite polymer nano-materials are synthesized, of which the polymethylmethacrylate as the surface component further reacts with excessive amidogens in the alkyldiamine methanol solution to form amine-modified polymer nano-material DRA for gas pipeline. Modern instruments are used to analyze chemical structure of the material. It consists of uniformly distributed polymethylmethacrylate spherical nano-particles, with a layer of dodecyl diamine molecule film on the surface and average grain size of 150 nm. Nano-particles can ＂fill in＂ rough uneven surfaces of the pipe wall and reduce the roughness with the drag reduction rate of 9%. Synergism of amine groups densely distributed on the nano-particle surface enhances corrosion inhibition performance of nano-materials with an inhibition efficiency of greater than 85%. Therefore, the material can provide the drag reduction and corrosion prevention to the gas pipeline so as to quickly increase throughput under the premise of ensuring pipeline operation safety. （5 Figures, 10 References）

关 键 词：输气管道 聚苯乙烯 聚甲基丙烯酸甲酯 纳米材料 胺基改性 缓蚀型减阻剂 

分 类 号：TE89[石油与天然气工程—油气储运工程]