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- diethyl maleic acid [化] 二乙基馬來(lái)酸
- ZT-203 is a maleic acid type organic stannumtin stabilizer. ZT-203為馬來(lái)酸型有機錫穩定劑。
- Primary by-products range from benzoquinone to maleic acid and oxalic acid. 中間產(chǎn)物主要為苯醌、馬來(lái)酸、草酸等，
- The copolymer of acrylic acid and maleic acid with acceptable quality and good to use was synthesized. 制得了產(chǎn)品質(zhì)量合格、使用效果良好的丙烯酸一馬來(lái)酸共聚物。
- The effects of the poly(l,2-butadiene) oligomer carboxylated with maleic acid anhydride (MLPB) on the cork powder filled NBR and on the IIR recipes were researched in this paper. 本文簡(jiǎn)要介紹了馬來(lái)酸酐化聚丁二烯(MLPB)在軟木填充丁腈橡膠制品和丁基橡膠配方改性中的應用效果。
- Hemi ester of maleic acid (HEC) and a sodium salt of hemi ester of maleic acid (HEC-Na) were synthesized and characterized. 合成了馬來(lái)酸酐單酯(HEC)及其鈉鹽(HEC-Na),對其進(jìn)行了表征。
- The problem of mistaking maleic acid peak for the main component in the determination of maleate salts of drug by HPLC is reported. 指出在馬來(lái)酸鹽的藥物HPLC分析中，有時(shí)將馬來(lái)酸峰誤認為主藥峰。
- The catalyst system used in the synthesis of Maleic acid ester,such as inorganic acid,ion exchange resin and solid acid,was introduced. 本文介紹了國內外馬來(lái)酸二甲酯合成中的催化劑體系,有無(wú)機酸、離子交換樹(shù)脂、固體酸等。
- The synthesis of dibutyl maleate with butyl alcohol and maleic acid as reactants and amidosulphonic acid as catalyst has been studied. 研究了以氨磺酸為催化劑,馬來(lái)酸和正丁醇為原料合成馬來(lái)酸二丁酯,并考察了影響反應的因素。
- Oxalic acid, lactic acid, maleic acid and fumaric acid were detected from excretions of all nine ectomycorrhizal species. 9個(gè)菌種都可分泌草酸、乳酸、順丁烯二酸和反丁烯二酸。
- AM/MA/VP terpolymer was synthesized by solution polymerization of acrylamide (AM), maleic acid (MA) and N-vinyl-2-pyrrolidone (VP) in this paper. 本文以丙烯酰胺(AM)、順丁烯二酸(MA)、N-乙烯基-2-吡咯烷酮(VP)為單體,以水作溶劑合成了AM-MA-VP三元共聚物。
- Esterification of fumaric acid with catalysts,isomerization of maleic acid and maleate with catalysts were investigated. 催化劑包括酯化催化劑和異構化催化劑，分別催化富馬酸的酯化和馬來(lái)酸（酯）的異構化。
- An unsaturated polyester resin was synthesized from dicyclopentadiene, maleic acid and ethylene glycol. This resin can be moulded by casting and also can be hardened in air. 用二環(huán)戊二烯,順丁烯二酸和乙二醇合成不飽和聚酯,這種不飽和聚酯既可澆鑄,也可以在空氣中固化。
- Dioctyl maleate was synthesized from maleic acid and n-octanol using nano-H3PW12O40/SiO2 as catalyst,and the factors influencing on the yield of dioctyl maleate were investigated. 以納米復合雜多酸為催化劑,通過(guò)馬來(lái)酸和正辛醇反應合成馬來(lái)酸二辛酯,探索了各種因素對酯化率的影響。
- The polymaleic acid and polymaleic anhydride were synthesized using maleic acid and maleic anhydride as monomer respectively,and potassium persultate as initiator. 分別以馬來(lái)酸和馬來(lái)酸酐為單體,以過(guò)硫化物為引發(fā)劑,水相合成聚馬來(lái)酸和聚馬來(lái)酸酐。
- The polymer of maleic acid was first prepared by water phase polymerization with maleic anhydride,and then esterified with cetric acid to form durable press finishing agent. 采用馬來(lái)酸酐水相聚合生成聚馬來(lái)酸酐,然后與檸檬酸酯化合成可固化的印染助劑聚多元羧酸酯。
- Maleic acid ester is synthesized with the fourth sparse diacid anhydride and sec octyl alcohol as raw materials and silecon tungsten heteropoly acid as the catalyzer. 以順丁稀二酸酐與仲辛醇為原料,以硅鎢雜多酸為催化劑催化合成馬來(lái)酸酯。
- In alkali catalytic condition, PBTCA (2-phosphono-1,2,4-tricarboxylic acid butane) is prepared from dialkyl-phosphite ester, maleic acid dialkylester and alkylacrylic easter by one-step successive reaction, its yield is 87.7%. 以二烷基亞磷酸酯、順丁烯二酸二烷酯;以及丙烯酸烷酯等為原料;在強堿性催化條件下;經(jīng) 一步連續反應合成PBTCA(2|膦酸基|1;2;4三羧酸丁烷);產(chǎn)率為87.;7%25；
- The effects of the poly(1,2-butadiene)oligomer carboxylted with maleic acid anhydride(MLPB) on the cork powder filled with NBR and on the IIR formula were researched in this paper. 簡(jiǎn)要介紹了馬來(lái)酸酐化聚丁二烯(MLPB)在軟木填充丁腈橡膠制品和丁基橡膠配方改性中的應用效果。
- The epoxidation reaction of maleic acid by heteropolyacid catalyst is studied.The influences of various factors on the reaction are discussed and the optimum reaction conditions are determined. 本文以雜多酸為催化劑對順丁烯二酸的環(huán)氧化反應進(jìn)行了研究，討論了各因素對反應的影響，并確定了最佳反應條件。
