荧光聚合物微球示踪剂的合成与性能
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摘要
合成了聚集诱导发光分子四(4,4′,4″,4′″-烯丙氧基)四苯基乙烯(ALTPE),再利用分散聚合法将ALTPE与苯乙烯、乙烯基苯磺酸钠交联共聚制备出荧光聚合物微球。利用荧光光谱测试对荧光聚合物微球的性能进行了研究。实验结果表明,荧光聚合物微球呈单分散球状,粒径尺寸较均匀,紫外光辐照下发出蓝色荧光。荧光聚合物微球悬浮液保持了四苯基乙烯衍生物的光学特性,且随微球浓度的增大,悬浮液荧光强度不断增强,表现出聚集诱导发光特性。荧光聚合物微球可很好地悬浮于压裂液中,具有较好的热稳定性;作示踪剂时不需考虑外界p H变化的影响,同时可以忽略大多数金属离子的可能干扰,有望应用于油田井间荧光示踪。
Fluorescent polymer microspheres are prepared by synthesis of tetrakis(4,4′,4″,4′″-allyloxy) tetraphenylethylene(ALTPE),the aggregation-induced emission molecules,and by cross-linked polymerization among ALTPE,styrene and vinyl sodium benzene sulfonate based on dispersion polymerization.The fluorescence spectroscopy is used to study the properties of fluorescent polymer microspheres.The experimental results show that the fluorescent polymer microspheres are monodisperse spherical with a uniform particle size and emit blue fluorescence under UV irradiation.Fluorescent polymer microspheres suspension retain the optical properties of tetraphenylethylene derivatives.With the increase of the concentration of the microspheres,the fluorescence intensity of the suspension is increasingly enhanced to show the aggregation-induced luminescence properties.Fluorescent polymer microspheres can suspend well in fracturing fluid with good thermal stability;when used as tracers,fluorescent polymer microspheres are expected to be applied to fluorescence tracing among oilfield wells without consideration of p H value changes and possible interference of most metal ions.
Fluorescent polymer microspheres are prepared by synthesis of tetrakis(4,4′,4″,4′″-allyloxy) tetraphenylethylene(ALTPE),the aggregation-induced emission molecules,and by cross-linked polymerization among ALTPE,styrene and vinyl sodium benzene sulfonate based on dispersion polymerization.The fluorescence spectroscopy is used to study the properties of fluorescent polymer microspheres.The experimental results show that the fluorescent polymer microspheres are monodisperse spherical with a uniform particle size and emit blue fluorescence under UV irradiation.Fluorescent polymer microspheres suspension retain the optical properties of tetraphenylethylene derivatives.With the increase of the concentration of the microspheres,the fluorescence intensity of the suspension is increasingly enhanced to show the aggregation-induced luminescence properties.Fluorescent polymer microspheres can suspend well in fracturing fluid with good thermal stability;when used as tracers,fluorescent polymer microspheres are expected to be applied to fluorescence tracing among oilfield wells without consideration of p H value changes and possible interference of most metal ions.
引文
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[3]Serres-Piole C,Commarieu A,Garraud H,et al.New passive water tracers for oil field applications[J].Energy Fuels,2011,25(10):4488-4496.
[4]Serres-Piole C,Preud’Homme H,Moradi-Tehrani N,et al.Water tracers in oilfield applications:Guidelines[J].J Pet Sci Eng,2012,98/99:22-39.
[5]杨林,袁光喜,李新华,等.化学示踪剂在河南稀油田的应用研究[J].石油天然气学报:江汉石油学院学报,2005,27(4):470-471.
[6]许家新.稳定同位素井间示踪技术在深层块状稠油油藏水驱特征研究的应用[J].油气井测试,2003,12(4):20-22.
[7]贾自力,于锋,王国庆,等.注氚同位素示踪技术在吐哈油田开发中的应用[J].同位素,2009,22(4):221-225.
[8]刘同敬,张新红,姜汉桥,等.井间示踪测试技术新进展[J].同位素,2007,20(3):189-192.
[9]Christiansen E,Hudson B D,Hansen A H,et al.Development and characterization of a potent free fatty acid receptor1(FFA1)fluorescent tracer[J].J Med Chem,2016,59(10):4849-4858.
[10]Yao Jun,Yang Mei,Duan Yixiang.Chemistry,biology,and medicine of fluorescent nanomaterials and related systems:New insights into biosensing,bioimaging,genomics,diagnostics,and therapy[J].Chem Rev,2014,114(12):6130-6178.
[11]Liang Ruqiang,Broussard G J,Tian Lin.Imaging chemical neurotransmission with genetically encoded fluorescent sensors[J].ACS Chem Neurosci,2015,6(1):84-93.
[12]王丽.辽河油田定量荧光录井技术[J].特种油气藏,2005,12(2):12-14.
[13]宋岱锋,陈辉,贾艳平,等.孤岛油田荧光示踪剂井间监测试验[J].海洋油,2008,28(2):101-104.
[14]Zhao Long,Chen Yufei,Yuan Jiang,et al.Electrospun fibrous mats with conjugated tetraphenylethylene and mannose for sensitive turn-on fluorescent sensing of escherichia coli[J].ACS Appl Mater Interfaces,2015,7(9):5177-5186.
[15]Yu Jiatao,Wang Liyan,Wang Baohui,et al.Determination of interwell tracers by fluorospectrophotometry[J].Chem Ind Eng,2009,26(3):256-261.