甲酯基 的英文怎麼說
中文拼音 [jiǎzhǐjī]
甲酯基
英文
carbomethoxy group-
Transportation and based on chemical professing factory. we had a set of product line of annual productive sulfur bearing acerbity 100 thousand tons and a set of cysteamine hydrochloride line of annual productive dimethyl
我廠有年產10萬噸硫磺制酸生產線一套,年產1500噸半胱胺鹽酸鹽及年產5000噸硫酸二甲酯生產線各一套,年產3000噸合成蒽醌和年產800噸二乙基蒽醌生產線各一Acetyl butyric acid methyl ester 98 % min
乙酰基丁酸甲酯With methyl methacrylate the particle diameter increases linearly with conversion indicating particle aggregation.
採用甲基丙烯酸甲酯時,粒子直徑隨轉化率呈直線增大,這就表明粒子發生了聚集。Study on n - maleoy - l - alanine and methyl methacrylate chiral copolymer
丙氨酸與甲基丙烯酸甲酯手性共聚物的研究The results suggested that the ph value, the type of monomers, the type, concentration and surface properties of inorganic nanoparticles, the type and concentration of emulsifier have a great influence on the encapsulating emulsion polymerization and the obtained latex stability. if selecting cationic emulsifier ( ctab ), low water soluble monomers ( such as ba, st ) and hydrophobic nano - silica, the inorganic nanoparticles would be encapsulated by polymers through ultrasonic irradiation successfully under alkalescent condition
系統研究了ba 、甲基丙烯酸甲酯( mmal苯乙烯舊t )以及它們的共聚體系在超聲輻照作用下包裹聚合的主要影響因素,結果表明: ph值、單體的種類、無機納米粒子的種類、濃度及表面性能、乳化劑的種類及濃度等對超聲輻照包裹乳液聚合以及復合體系的穩定性有較大的影響。The preparation method of methyl 1 - naphthylacetate catalyzed by sulphuric acid, hydrochloric acid, chlorosulfonic acid, p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, stannic chloride pentahydrate, aluminium chloride, ferric sulfate, aluminium sulfate, titanium sulfate, sodium bisulfate monohydrate, solid super acid, heterpoly acid, support heterpoly acid, composite titanate and p - toluene sulfo - chloride etc. catalyst were reviewed
摘要評述了硫酸、鹽酸、氯磺酸、對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水三氯化鐵、五水四氯化錫、三氯化鋁、硫酸鐵、硫酸鋁、硫酸鈦、一水硫酸氫鈉、固體超強酸、雜多酸、固載雜多酸、復合鈦酸酯和對甲苯磺酰氯等催化劑催化合成1 -萘乙酸甲酯的方法。On the synthesis of methyl carbamate through alcoholysis of urea
尿素醇解法合成氨基甲酸甲酯的研究First, a terminal double bond was introduced into 3 - amino - 9 - ethylcarbazole ( aec ) via methacryloyl chloride to obtain the compound, 3 - ( n - methacryloyl ) amino - 9 - ethylcarbazole ( mec ). second, mec was copolymerized with butyl methacrylate to prepare the mec - immobilized polymer particles. the resultant polymer particles were used as a fluorescence probe, which was almost free of dye leaching, and had higher photostability in comparison with free aec
首先利用甲基丙烯酰氯向3 -氨基- 9 -乙基咔唑( aec )分子中引入末端雙鍵,得到帶末端雙鍵的熒光指示劑3 - ( n -甲基丙烯酰基)氨基- 9 -乙基咔唑( mec ) ,然後通過乳液聚合技術將mec共價固定到聚甲基丙烯酸丁酯基體上,制得一種共價固定了mec的聚合物顆粒。In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased
同時採用有機硅單體延遲滴加及添加水解抑制劑等技術,有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應,提高了聚合物大分子鏈中有機硅鏈節的含量;利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵,並通過對共聚產物力學和吸水率的測試,證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能;從分子設計角度出發,利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體: ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷;利用核磁共振對新型硅烷單體結構進行了證實;研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液,且其聚合產物具有較高的力學及耐水性能。An one - pot process including direct condensation of ethyl isodehydracetate and hydrocitronellal, followed by decarboxylation, isomerization and isomer resolution, was developed for practical preparation of zr juvenile hormone analogue series with high content of effective component
以異脫氫乙酸乙酯與甲氧基香茅醛直接縮合為起點,將縮合、脫羧、異構化、 (順、反)異構體拆分等採用多步反應連續一鍋法的操作方法,成功地得到高有效含量的zr型保幼激素類似物。Methyl para - hydroxybenzoate or ethyl para - hydroxybenzoate or
對羥基苯甲酸甲酯或The experimental results showed that when sodium methoxide were joined, the yield of methyl carbamate as a intermedium was clearly increased., and even made clearly that the reaction was divided into two steps
實驗表明,通過引入少量的甲醇鈉,使中間產物氨基甲酸甲酯的產率有明顯提高,進而表明尿素醇解是分兩步進行的。In this paper, pan based metal gradient composites films ( pmgcf ) were prepared by electrochemical reduction. the effect of polymer matrix on pmgcf and preparation and its forming mechanism of pmgcf were invested, they are as follows : lacrylonitrile - methyl - methacrylate copolymer, acryonitrile - itaconic acid copolymer, acrylonitrile - methyl methacry late - sodium allyl sulfonate terpolymer have been synthesized seperately in order to analyze the effects of the mma monomer unites and the hydrophilic unites of acryonitrile terpolymer on the process of copper deposition in polyacrylonitrile - based metal gradient composite film ( pmgcf ) as well as the flexibility of the film
其內容如下: 1通過合成的丙烯腈?甲基丙烯酸甲酯二元共聚物( p ( an - mma ) ) ,丙烯腈?亞甲基丁二酸二元共聚物( p ( an - ita ) ) ,丙烯腈-甲基丙烯酸甲酯?丙烯磺酸鈉三元共聚物( p ( an - mma - as ) )分別作為基體制備了聚合物基金屬梯度復合膜材料( pmgcf ) ,以分析加入的mma基團和親水性基團對pmgcf沉積層中金屬銅的梯度分佈形態和膜的柔韌性的影響。Mbs methyl methacrylate - butadiem - styrene copolymer
甲基丙烯酸甲酯一丁二烯一苯乙烯共聚物Characterization of styrene - methyl methacrylate copolymer
甲基丙烯酸甲酯苯乙烯共聚物的表徵Hygienic standard for methyl methacrylate in the air of workplace
車間空氣中甲基丙烯酸甲酯衛生標準Thermoset acrylic coating are based on resins prepared from acrylic and methacrylic esters, acrylic and methacrylic acids, and / or styrene
熱固型丙烯酸塗料是由丙烯酸和甲乙基丙烯酸酯,丙烯酸和甲基丙烯酸,或苯乙烯反應而成。Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents
以甲基丙烯酰氯、甲基丙烯酸酐和甲基丙烯酸作酰化劑,研究了膽酸甲酯分子中羥基的反應活性。Synthesis of mono - methyl - 5 - nitroisophthalate
硝基異酞酸單甲酯合成工藝研究For the first time, agbr organosol was obtained by using oleic acid to extract and modify the agbr nanoparticles in hydrosol. and the optimum molar ratio of oleic acid to agbr nanoparticles was found. agbr nanoparticles, modified by oleic acid were mixed with mma
首次採用油酸萃取並包覆了水溶膠中的agbr納米粒子,制備了agbr有機溶膠;並找到了萃取率最佳時的油酸與agbr的摩爾比;再將油酸包覆的agbr摻雜到甲基丙烯酸甲酯中,進行本體聚合,從而制備了agbr光致變色有機玻璃。分享友人