萘磺酸盐分散剂在不同晶型吡唑醚菌酯颗粒表面吸附性能
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摘要
通过X射线衍射仪(XRD)、差示扫描量热仪(DSC)、紫外光谱(UV)、傅里叶变换红外光谱(FTIR)、X射线光电子能谱(XPS)和扫描电子显微镜(SEM)测试,研究了萘磺酸盐分散剂在两种晶型吡唑醚菌酯颗粒表面的吸附性能。两种晶型吡唑醚菌酯吸附萘磺酸盐分散剂后,晶型未发生改变;两种晶型吡唑醚菌酯吸附动力学均符合伪二级动力学方程,晶型ⅡEa=16.04 k J·mol~(-1),晶型ⅣEa=12.42 k J·mol~(-1),均为物理吸附;吡唑醚菌酯晶型Ⅱ、晶型Ⅳ吸附等温线均符合Langmuir模型,晶型Ⅱ的吸附焓变?Had为20.64 k J·mol~(-1),吸附过程为吸热过程,温度升高有利于萘磺酸盐甲醛缩合物(D425)在晶型Ⅱ颗粒表面的吸附;晶型Ⅳ的吸附焓变?Had为-15.26k J·mol~(-1),吸附过程为放热过程,温度升高不利于D425在晶型Ⅳ颗粒表面的吸附。
The adsorption properties of naphthalenesulfonate dispersant onto different crystal pyraclostrobin particle surfaces were characterized by XRD, DSC, UV, FTIR, XPS, and SEM. The results suggested that adsorption of naphthalenesulfonate dispersant didn't change pyraclostrobin crystal. The adsorption kinetics shows that the adsorption dispersant D425 onto different crystal pyraclostrobin particle surfaces corresponds with pseudo-second-order adsorption rate equation. The adsorption process of different crystal pyraclostrobin is physical adsorption with Ea(crystal Ⅱ)=16.04 k J·mol~(-1) and Ea(crystal Ⅳ)=12.42 k J·mol~(-1).The adsorption process of different crystal pyraclostrobin is fitted with Langmuir isotherm equation. The values of crystal Ⅱ?Had = 20.64 k J·mol~(-1) indicated that the adsorption process of crystal Ⅱ is endothermic process, and higher temperature is beneficial to the D425 adsorbed onto crystal Ⅱ particle surfaces. The values of crystal Ⅳ?Had=-15.26 k J·mol~(-1) indicated that the adsorption process of crystal Ⅳ is exothermic process, and higher temperature is not beneficial to the D425 adsorbed onto crystal Ⅳ particle surfaces.
The adsorption properties of naphthalenesulfonate dispersant onto different crystal pyraclostrobin particle surfaces were characterized by XRD, DSC, UV, FTIR, XPS, and SEM. The results suggested that adsorption of naphthalenesulfonate dispersant didn't change pyraclostrobin crystal. The adsorption kinetics shows that the adsorption dispersant D425 onto different crystal pyraclostrobin particle surfaces corresponds with pseudo-second-order adsorption rate equation. The adsorption process of different crystal pyraclostrobin is physical adsorption with Ea(crystal Ⅱ)=16.04 k J·mol~(-1) and Ea(crystal Ⅳ)=12.42 k J·mol~(-1).The adsorption process of different crystal pyraclostrobin is fitted with Langmuir isotherm equation. The values of crystal Ⅱ?Had = 20.64 k J·mol~(-1) indicated that the adsorption process of crystal Ⅱ is endothermic process, and higher temperature is beneficial to the D425 adsorbed onto crystal Ⅱ particle surfaces. The values of crystal Ⅳ?Had=-15.26 k J·mol~(-1) indicated that the adsorption process of crystal Ⅳ is exothermic process, and higher temperature is not beneficial to the D425 adsorbed onto crystal Ⅳ particle surfaces.
引文
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[2]强桂芬,吕扬,杜冠华.我国晶型药物研究现状与发展方向[J].中国新药杂志,2009,13:1196-1200.QIANG G F,LüY,DU G H.The present situation and development direction of the research for polymorphic drug in China[J].Chinese Journal of New Drugs,2009,13:1196-1200.
[3]杨丽娟,柏亚罗.甲氧基丙烯酸酯类杀菌剂——吡唑醚菌酯[J].现代农药,2012,11(4):46-50.YANG L J,BAI Y L.Strobilurin fungicide—pyraclostrobin[J].Modern Agrochemicals,2012,11(4):46-50.
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[7]吴静姝,潘燕琼,洪茵,等.农药悬浮剂润湿分散剂研究进展[J].广东化工,2014,41(23):96-97.WU J S,PAN Y Q,HONG Y,et al.Research progress of wetting dispersant in pesticide suspension concentrate[J].Guangdong Chemical Industry,2014,41(23):96-97.
[8]马超,徐妍,郭鑫宇,等.聚羧酸型梳状共聚物超分散剂在氟虫腈颗粒界面的吸附性能[J].高等学校化学学报,2013,34(6):1441-1449.MA C,XU Y,GUO X Y,et al.Adsorption properties of comb-shaped copolymer of polycarboxylic acid superplasticizer on the interface of fipronil particles[J].Chem.J.Chinese Universities,2013,34(6):1441-1449.
[9]郝汉,冯建国,马超,等.三种阴离子聚合物分散剂在吡虫啉颗粒表面的吸附热力学和动力学[J].化工学报,2013,64(10):3838-3850.HAO H,FENG J G,MA C,et al.Adsorption thermodynamics and kinetics of three anionic polymeric dispersants onto imidacloprid particle surface[J].CIESC Journal,2013,64(10):3838-3850.
[10]李志万.药物晶型的分析方法[J].中国兽药杂志,2006,40(1):45-48.LI Z W.Method for the analysis of drug crystal forms[J].Chin.J.Vet.Drug,2006,40(1):45-48.
[11]王昉,盛沈俊,黄东,等.药物利培酮的晶型表征及其热稳定性研究[J].药物分析杂志,2014,34(4):673-680.WANG F,SHENG S J,HUANG D,et al.Investigation on crystal structure and thermal stability of rispridone[J].Chin.J.Pharm.Anal.,2014,34(4):673-680.
[12]MENG X,ZHANG X,WANG X,et al.Syntheses,crystallization and selective dye adsorption of three Co(Ⅱ)coordination polymers viaone-pot reaction[J].Polyhedron,2017,137:81-88.
[13]郝汉,马超,冯建国,等.聚羧酸盐分散剂在吡虫啉颗粒表面的吸附特性[J].化工学报,2013,64(8):2898-2906.HAO H,MA C,FENG J G,et al.Adsorption of polycarboxylate dispersant onto imidacloprid particle surface[J].CIESC Journal,2013,64(8):2898-2906.
[14]SHEN J,WANG X,ZHANG Z,et al.Adsorption and degradation of(14)C-bisphenol A in a soil trench[J].Science of the Total Environment,2017,607:676-682.
[15]庞煜霞,刘磊,楼宏铭,等.木质素磺酸盐在烯酰吗啉颗粒表面的吸附特性[J].高等学校化学学报,2012,33(8):1820-1825.PANG Y X,LIU L,LOU H M,et al.Adsorption characteristics of lignosulfonates on the surface of dimethomorph[J].Chem.J.Chinese Universities,2012,33(8):1820-1825.
[16]KHAN S,HE X,KHAN J A,et al.Kinetics and mechanism of sulfate radical and hydroxyl radical-induced degradation of highly chlorinated pesticide lindane in UV/peroxymonosulfate system[J].Chemical Engineering Journal,2017,318:135-142.
[17]赵沁元,吴洁莹,沈志滨.红外光谱技术在药物多晶型分析中的应用[J].广州化工,2013,41(10):34-35.ZHAO Q Y,WU J Y,SHEN Z B.Application of infrared spectroscopy in pharmaceutical polycrystalline analysis[J].Guangdong Chemical Industry,2013,41(10):34-35.
[18]ZHOU Q,LIAO B,LIN L,et al.Adsorption of Cu(Ⅱ)and Cd(Ⅱ)from aqueous solutions by ferromanganese binary oxide-biochar composites[J].Science of the Total Environment,2018,615:115-122.
[19]吴正龙,刘洁.现代X光电子能谱(XPS)分析技术[J].现代仪器与医疗,2006,12(1):50-53.WU Z L,LIU J.Progress of new techniques in modern X-ray photoelectron spectroscopy(XPS)[J].Modern Instruments,2006,12(1):50-53.
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[21]马正飞,刘晓勤,姚虎卿,等.吸附理论与吸附分离技术的进展[J].南京工业大学学报(自然科学版),2006,28(1):100-106.MA Z F,LIU X Q,YAO H Q,et al.Advances in adsorption principles and adsorption processes[J].J.Nanjing Tech.University(Natural Science Edition),2006,28(1):100-106.
[22]郝汉,陈保莹,陈维韬,等.羧甲基化木质素在阿维菌素颗粒表面的吸附行为[J].林产化学与工业,2015,35(5):45-52.HAO H,CHEN B Y,CHEN W T,et al.Adsorption characteristics of carboxymethylated lignin on avennectins particles surfaces[J].Chem.Ind.Forest Prod.,2015,35(5):45-52.
[23]OEPEN B V,K?RDEL W,KLEIN W.Sorption of nonpolar and polar compounds to soils:processes,measurements and experience with the applicability of the modified OECD-guideline 106[J].Chemosphere,1991,22(3/4):285-304.
[24]FANG H,CUI Z,HE G,et al.Phosphorus adsorption onto clay minerals and iron oxide with consideration of heterogeneous particle morphology[J].Science of the Total Environment,2017,605:357-367.
[25]李翠,徐昕,鲍长利,等.二乙烯三胺改性多壁碳纳米管对溶液中Au(Ⅲ)和Pd(Ⅱ)的吸附[J].高等学校化学学报,2012,33(3):586-590.LI C,XU X,BAO C L,et al.Adsorption of Au(Ⅲ)and Pd(Ⅱ)in solution of 2,2'-diaminodiethylamine modified multiwalled carbon nanotubes[J].Chem.J.Chinese Universities,2012,33(3):586-590.
[26]KAVITHA D,NAMASIVAYAM C.Experimental and kinetic studies on methylene blue adsorption by coir pith carbon[J].Bioresource Technology,2007,98(1):14-21.
[27]DILEK D,ANDRZEJ W T,ULKER B.Kinetics and thermodynamics of hexavalent chromium adsorption onto activated carbon derived from acrylonitrile-divinylbenzene copolymer[J].Chemical Engineering Journal,2012,187(2):193-202.
[28]SINGHA B,DAS S K.Biosorption of Cr(Ⅵ)ions from aqueous solutions:kinetics,equilibrium,thermodynamics and desorption studies[J].Colloids&Surfaces B Biointerfaces,2011,84(1):221-232.
[29]傅献彩,沈文霞,姚天扬.物理化学[M].5版.北京:高等教育出版社,2005:745-747.FU X C,SHEN W X,YAO T Y.Physical Chemistry[M].5th ed.Beijing:Higher Education Press,2005:745-747.
[30]金晓阳.吡唑醚菌酯分子印迹微球的制备与表征[D].吉林:吉林农业大学,2015.JIN X Y.Preparation and characterization of pyraclostrobin molecularly imprinted microspheres[D].Jilin:Jilin Agricultural University,2015.
[31]YOSHIOKA K,TAZAWA E I,KAWAI K,et al.Adsorption characteristics of superplasticizers on cement component minerals[J].Cement&Concrete Research,2002,32(10):1507-1513.
[32]庄占兴,路福绥,陈甜甜,等.苯乙烯丙烯酸共聚物分散剂在氟铃脲颗粒界面的吸附性能[J].高等学校化学学报,2009,30(2):332-336.ZHUANG Z X,LU F S,CHEN T T,et al.Adsorption properties of MOTAS dispersant on the interface of hexaflumuron particles[J].Chem.J.Chinese Universities,2009,30(2):332-336.
[33]韩兆让,左琳,朱建民,等.梳型聚合物在固液界面吸附形态的Monte Carlo模拟[J].高等学校化学学报,2011,32(2):395-401.HAN Z R,ZUO L,ZHU J M,et al.Monte carlo simulation on the conformation of a PAA/PEO comb polymer adsorbed on the solid-liquid interface[J].Chem.J.Chinese Universities,2011,32(2):395-401.
[34]WATTS J F,WOLSTENHOLME J.An Introduction to Surface Analysis by XPS and AES[M].New York:John Wiley&Sons Inc.2002:224.
[35]徐妍,孙宝利,马超,等.超分散剂在莠去津颗粒表面吸附的XPS和SEM分析[J].光谱学与光谱分析,2011,31(9):2569-2572.XU Y,SUN B L,MA C,et al.XPS and SEM Spectroscopy Study of Hyperdispersant on Atrrazine Surface[J].Spectroscopy and Spectral Analysis,2011,31(9):2569-2572.