- 更多网络例句与酸亚胺相关的网络例句 [注:此内容来源于网络,仅供参考]
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Alkylamine reaction with dialkyl cyanodithioiminocarbonate was catalyzed by quaternary ammonium salts at room temperature to yield 3-alkylamine-5-amino-1,2,4-triazole in good quality and high yields. After imidization and reaction with an α,β-unsaturated acid derivative, the reaction intermediate was hydrolyzed in the presence of a Lewis acid to obtain the target product.
烷基胺与氰基亚胺硫代二甲酯在季氨盐催化作用下得到质量好、收率高的3-烷氨基-5-氨基-1,2,4-三氮唑,进一步经过亚胺中间体并与α,β-不饱和酸酯作用后,中间产物在Lewis酸催化作用下水解得到三唑嘧啶酮。
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The preparation process of self-holing polyimide with organosilicon block includes the following steps: 1 the first reaction of polyacid anhydride in functionality not lower than 2, silicon oil with 2 or more amino or imino groups and polyamine with 2 or more amino groups, and the second reaction with one or several kinds of added isocyanate with 2 or more isocyanate radicals to produce sol of polyamido acid containing organosilicon block; 2 solidifying the sol to obtain solid polyamido acid containing organosilicon block; and 3 imidonating the solid to obtain self-holing polyimide with organosilicon block.
本发明公开了一种有机硅嵌段自发孔聚酰亚胺的制备方法,该方法包括以下步骤:(1)有机溶剂中具有大于或者等于2的酸酐官能团度的多酸酐与具有大于或者等于2的胺基或亚胺基的硅油以及具有大于或者等于2的胺基的多胺反应,随后添加一种或多种具有含有等于或者大于2个异氰酸酯基的异氰酸酯反应,生成含有机硅嵌段聚酰胺酸的溶胶。(2)溶胶固化制成有机硅嵌段聚酰胺酸固体。(3)固体亚胺化,即得有机硅嵌段自发孔聚酰亚胺。
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Two kinds of polyaspartic acid derivates, i.e. PEG-g-PAsp and PEG-g-PDEA, were prepared through the ring-opening reaction of polysuccinimide by CH3O-PEG-NH2, followed by alkaline hydrolysis and aminolysis, respectively.
通过胺端基聚乙二醇(CH3O-PEG-NH2)开环聚琥珀酰亚胺,进一步碱解和胺解制备了聚乙二醇接枝聚天冬氨酸和聚乙二醇接枝聚乙二胺基天冬酰胺两种聚天冬氨酸衍生物。
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The copolycondesation type polyamic acid was synthesized by using pyromellitic dianhydride and 3,3',4,4'-benzophenonetetracarboxylic dianhydride as the dianhydride monomers, 4,4'-diamino diphenylmethane and 4,4'-oxydianiline as the diamine monomers under microwave irradiation in dimethylformamide.
在N,N'-二甲基甲酰胺溶剂中,以均苯四甲酸酐和3,3',4,4'-二苯酮羧酸二酐为二酐单体,4,4'-二氨基二苯醚和4,4'-二氨基二苯甲烷为二胺单体,采用微波辐射低温溶液共缩聚,合成了聚酰胺酸预聚体,然后亚胺化脱水、环化,生成共缩聚聚酰亚胺。
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Dibutyltin maleate,dioctyltin maleate,N-phenyl maleimide, N-(p-chlorophenyl) maleimide,N-(p-nitrophenyl) maleimide with unsaturated groups were synthesized using dibutyltin oxide,dioctyltin oxide,maleic anhydride, aniline,p-chloroaniline,p-nitroaniline as raw materials,respectively.Then dibutyltin male,ate/styrene bipolymer,dibutyltin maleate/styrene/methyl acrylate terpolymer,dibutyltin maleate/styrene/N-phenyl maleimide terpolymer ,dibutyltin maleate/styrene/N-(p-chlorophenyl) maleimide terpolymer ,dibutyltin maleate/styrene/N-(p-nitrophenyl) maleimide terpolymer ,dioctyltin maleate/styrene biopolymer,dioctyltin maleate/styrene/methyl acrylate terpolymer,dioctyltin maleate/styrene/ N-phenyl maleimide terpolymer,dioctyltin maleate/styrene/ N-(p-ehlorophenyl) maleimide terpolymer[P(DOTM/St/NC1PMI)],dioctyltin maleate/styrene/N-(p-nitrophenyl) maleimide terpolymerwere synthesized using DBTO,DOTO,PMI,N-p-ClPMI,N-p-NOPMI,styrene and methyl acrylate as monomers,respectively.
再以DBTO,DOTO,PMI,N-p-ClPMI,N-p-NOPMI,苯乙烯,丙烯酸甲酯等为单体,合成了马来酸二丁基锡/苯乙烯二元共聚物{P},马来酸二丁基锡/苯乙烯/丙烯酸甲酯三元共聚物{P},马来酸二丁基锡/苯乙烯/N-苯基马来酰亚胺三元共聚物{P(DBTM/St/NPMI)},马来酸二丁基锡/苯乙烯/N-对氯苯基马来酰亚胺三元共聚物{P(DBTM/St/NClPMI)},马来酸二丁基锡/苯乙烯/N-对硝基苯基马来酰亚胺三元共聚物{P(DBTM/St/NNOPMI)},马来酸二辛基锡/苯乙烯二元共聚物{P},马来酸二辛基锡/苯乙烯/丙烯酸甲酯三元共聚物{P},马来酸二辛基锡/苯乙烯/N-苯基马来酰亚胺三元共聚物{P(DOTM/St/NPMI)},马来酸二辛基锡/苯乙烯/N-对氯苯基马来酰亚胺三元共聚物{P(DOTM/St/NClPMI)},马来酸二辛基锡/苯乙烯/N-对硝基苯基马来酰亚胺三元共聚物{P(DOTM/St/NNOPMI)}。
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In this thesis,three copolymerization systems have been investigated in detail.They are α-ethylacrylic acid/maleimide,α- acrylic acid/maleimide and monomethyl itaconate/maleimide,respectively.
本文对α-乙基丙烯酸/马来酰亚胺、α-正丙基丙烯酸/马来酰亚胺和衣康酸单甲酯/马来酰亚胺三种新的共聚体系进行了详细地研究,并对合成共聚物的生理活性进行了初步探讨,实现了α-正丙基丙烯酸乙酯/马来酰亚胺体系的可控共聚反应。
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The synthetic route starts from penicillin G, peroxyacetic acid(8.5%) as Oxidizing Agent to get penicillin G sulfoxide; esterifided with p-nitrobenzyl bromine to synthesize penicillin G sulfoxide ester; we synthesize 3-exomethylenecepham sulfoxide ester with phthalimide potassium and 4A molecular sieve as acid scavenger to open the ring, SnCl_4 as catalyzation to close the ring. The yield is over 60%.
本研究采用的合成路线为:以青霉素G钾盐为原料,选用工业过氧化氢制备的过氧乙酸(22.3%)稀释至8.5%为氧化剂,氧化得青霉素亚砜;采用对硝基溴苄为酯化试剂,制备青霉素亚砜酯;以NCP(N-氯代邻苯二甲酰亚胺)为开环试剂,酞酰亚胺钾和4A型分子筛为酸清除剂,顺利开环;再经无水SnCl_4催化闭环得3-环外亚甲基头孢亚砜酯,最终产率在60%以上。
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A convenient method to synthesize three kinds of novel 2-(2-hydroxyphenyl) benzimidazole in order to improve the solubilities of the fluorophores with substituent of carboxyl, ester and double-bond which are aimed for determining the sulphydryl group was reported.
合成了N-{3-(2-苯并咪唑基)-4-羟基苯基}马来酰亚胺酸, N-{3-(2-苯并咪唑基)-4-乙酸酯基苯基}和马来酰亚胺N-{3-(2-苯并咪唑基)-4-羟基苯基}马来酰亚胺,在基本荧光发射团上分别引入了羧酸基;酯基;双键活性基团。
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The invention relates to a pipeline polyurea outer anticorrosive coating and the making method thereof, making heated prepolymerization reaction on dibenzo-methane diisocyanate, carbodiimide diisocyanate, polyether binary alcohol and polyether trihydric alcohol to prepare prepolymer solution A, and making end amino polyethylene oxide ether, dimethyl sulfur-based toluene diamine, diethyl diamine, iso-propyl titanate solution, polyacrylate, carbon black, titanium dioxide and lightweight calcium carbonate into solution B, and as using, respectively heating the solutions A and B to 65 deg.C and then mixing them, then quickly spraying and curing to form a coat.
本发明涉及一种管道用聚脲外防腐涂料及制造方法,由二苯基甲烷二异氰酸酯、碳化二亚胺化二异氰酸酯、聚醚二元醇和聚醚三元醇通过加热预聚反应制成预聚物的A液、由端氨基聚氧化乙烯醚、二甲硫基甲苯二胺、二乙基甲苯二胺、钛酸异丙酯溶液、聚丙烯酸酯溶液、碳黑、钛白粉和轻质碳酸钙配制而成的B液组成,使用时将A液和B液分别加热至65℃后混合,然后快速喷涂固化形成涂层。
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Based on the-references on the thermal imidization of polyand the polymer composition analysis,the thermal imidization mechanism of SMA with aniline was demonstrated to be a two-stage consecutive reaction,in which a second-order reversible ring-opening reaction of SMA to produce poly(styrene-co-N-phenyl-maleamic acid)and a first-order irreversible intrachain ring-closing reaction to form SNPMI were involved.
论文首先参考聚酰胺酸热环化反应,并通过SMA酰亚胺化产物的组成分析,确定了SMA与苯胺的热酰亚胺化反应机理为一个包含由SMA生成苯乙烯—N-苯基马来酰胺酸共聚物的二级可逆开环反应以及由SNPMA生成苯乙烯—N-苯基马来酰亚胺共聚物的一级不可逆分子内闭环反应在内的串联反应过程,其中第二步SNPMA闭环反应为控制步骤。
- 更多网络解释与酸亚胺相关的网络解释 [注:此内容来源于网络,仅供参考]
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anthranil:苯甲酰亚胺酸
蒽胺;胺蒽 anthramine; anthrylamine; anthranylamine | 苯甲酰亚胺酸 anthranil | 邻胺苯甲醛;邻胺苄醛 anthranilaldehyde; o-aminobenzaldehyde
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imidic acid:亚胺酸
-imide 酰亚胺 | -imidic acid 亚胺酸 | -imine 亚胺
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imino acid:亚胺酸
354 亚胺 imine | 355 亚胺酸 imino acid | 356 固定 immobilization
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imino acid:亚胺基酸
亚胺基 imino- | 亚胺基酸 imino acid | 亚胺基二胜酶 iminodipeptidase
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imino ether:亚胺醚;亚胺酸酯
imino thioether 亚胺硫醚 | imino ether 亚胺醚;亚胺酸酯 | imino acid ester 亚胺醚;亚胺酸酯
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sebacic acid:皮脂酸
其中亚胺成分由苯均四酸亚胺丙氨酸(pyromellitylimidoalanine)或偏苯三酸亚胺甘氨酸(trimellitylimidoglycine)组成,酸酐成分由皮脂酸(sebacic acid)或1,6-二羧基苯氧己烷组成.
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succinanil; N-phenyl succimide:琥珀酰亚胺苯;琥珀酰苯胺;N-苯丁二酰亚胺
琥珀二酰胺;丁二酰胺 succinamide | 琥珀酰亚胺苯;琥珀酰苯胺;N-苯丁二酰亚胺 succinanil; N-phenyl succimide | 琥珀酰胺苯酸;琥珀酸[一]酰胺苯 succinanilic acid
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succinimide:琥珀酰亚胺;丁二酰亚胺
琥珀[酸]酐;丁二[酸]酐 succinic anhydride; succinyl oxide | 琥珀酰亚胺;丁二酰亚胺 succinimide | 琥珀腈;丁二腈 succinonitrile
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succinimide:虎魄酸亚胺
succinic anhydride 虎魄酐 | succinimide 虎魄酸亚胺 | succinyl 虎魄酰
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imino acid ester:亚胺醚;亚胺酸酯
imino ether 亚胺醚;亚胺酸酯 | imino acid ester 亚胺醚;亚胺酸酯 | imine 亚胺