高分子减阻剂共聚物的合成与表征  

SYNTHESIS AND CHARACTERIZATION OF DRAG REDUCING COPOLYMER

作　　者：陈文生[1] 李惠萍[1] 苏张教[1] 薄文敏[1] 

机构地区：[1]新疆大学化学化工学院,乌鲁木齐830008

出　　处：《石油炼制与化工》2009年第9期55-59,共5页Petroleum Processing and Petrochemicals

基　　金：2006年新疆高等学校科研计划项目(060112)

摘　　要：采用本体聚合法，以TiCl4／MgCl4—Al（i-Bu）3为催化剂对1-辛烯／1-十二烯的长链F烯烃进行共聚，考察不同的聚合条件对减阻率的影响，最终确定最佳工艺条件，结果表明，当n（Al）／n（Ti）=90、起始反应温度为-2℃、反应物总体积为600mL、V（DDS）=0．3mL、1-辛烯在反应物中体积分数为33％左右时，减阻率高达52．3％。通过凝胶色谱、^1H—NMR、IR等方法对聚合物进行表征，证明用该方法可以制得重均相对分子质量为6．58×10^6、数均相对分子质量为2．41×10^6、相对分子质量分布宽度指数为2．73的原油用聚合物减阻剂，聚合较完全。High efficient drag reducing agent was synthesized by bulk polymerization using TiCl4/MgCl2-Al（i-Bu）3 as catalyst and mixed 1-octene/1-dodecene long chain α-olefins as monomers.The effect of reaction conditions on the drag reducing efficiency of copolymer was investigated and optimum process parameters were obtained. The prepared copolymer was characterized by GPC, ^1 H-NMR,IR and its drag reducing performance was evaluated by a loop testing system. Test results showed that a polymer obtained at a 1-octene volume ratio of 33% having high molecular weight（Mw = 6.58× 10^6 ,Mn =2.41 × 10^6 ,Mw/Mn=2.73）was well polymerized,and its drag reduction rate at an added dosage of 0. 01 kg/m^3 with diesel fuel was up to 52.3% ,which indicated that the obtained polymer could be used as drag reducing agent for crude oil.

关 键 词：1-辛烯 1-十二烯 共聚 减阻率 表征 

分 类 号：TE869[石油与天然气工程—油气储运工程] O632.13[理学—高分子化学]