酰化劑 的英文怎麼說
中文拼音 [huàjì]
酰化劑
英文
acidating agent-
Manufacturer of fine chemicals, and pharmaceutical and agrochemical intermediates, offering a small but diverse range of predominantly aromatic chemicals. located in shanghai and lanxi, china
-生產芐胺,鄰氯苯甲酰氯,對氯苯甲酰氯, n甲基芐胺, -苯乙胺,糠胺,四甲基己二胺,延遲催化劑,聚氨酯催化劑,農藥中間體The advance of chiral phosphate - ester ( phosphonate - ester ) [ phosphoramides ( phosphonyl - amide ) ] in asymmetric alkylation reaction, aldol reaction, hydrogenation reaction, cyanosilylation reaction was reviewed with 48 references
討論了手性膦(磷)酰胺及膦(磷)酯酯催化劑在不對稱烷基化、不對稱縮合、不對稱氫化、不對稱氰矽化等反應中應用的最新研究進展。參考文獻48篇。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。Abstract : the studies with infrared spectra and 15no exchange experiments have proved the existence of nitrogen oxide chemisorbed on the reduced state molybdena - alumina catalyst in the form of dinitrosyl
文摘:通過對紅外光譜及同位素交換反應后的分析,證明吸附在還原態鉬鋁催化劑上的no是以雙亞硝酰基形式存在的Tao feng changzhou chemical company located in the jiangsu international plastics city, is in changzhou city, the river additives ltd. and jurong city tao reagent production plant product sales window, the major products : toluene, pure benzene, xylene, n - octanol, ethyl acetate, acetic acid small fat, silicone oil, aniline, poly - succinimide, benzene triazole derivatives, isopropanolamine, ethanolamine, alkylation two aniline, scale inhibitor, promoting agents, antioxidants, ppd, defoamer, metal deactivator, hx - 3308 scale and corrosion inhibitor, hx03 - 12 diesel flow improver, parathion octyl - zinc chloride bridge acid, chlorine bridge anhydride, chlorobenzene, double - dicyclopentadiene, norbornene anhydride
常州濤峰化工有限公司座落在江蘇國際塑化城,是常州市夏溪助劑有限公司和句容市龍濤試劑廠生產的產品的銷售窗口,主要經營產品:甲苯、純苯、二甲苯、辛醇、乙酸乙脂、乙酸丁脂、硅油、二苯胺、雙聚丁二酰亞胺、苯三唑衍生物、異丙醇胺、乙醇胺、烷基二苯胺、防垢劑、促進劑、抗氧劑、降凝劑、消泡劑、金屬鈍化劑、 hx - 3308阻垢緩蝕劑、 hx03 - 12柴油流動改進劑、硫磷丁辛基鋅鹽、氯橋酸、氯橋酸酐、氯苯、雙聚環戊二烯、降冰片烯二酸酐等。The product is a chief material for high temperature insulant, used mainly for the producing of polyimid resin, thin film, and insulating paint. it is also a high temperature curing agent and plasticizer. some kinds of curing agents of powder coating are made from it
主要用於制聚酰亞胺樹脂,聚酰亞胺在廣泛的溫度范圍內具有優良的電氣絕緣性能,亦可做耐高溫環氧樹脂固化劑聚氯乙烯增塑劑及皮革柔軟劑,還可用做某些粉末原料。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。With phosphato - tungstic acid as catalyst and phosphoric acid as dehydrant, n - phenylmaleimide was prepared from aniline and maleic anhydride by two - step method. the yield was 88. 7 % and the purity was 98. 2 %
以順酐和苯胺為原料,磷鎢酸作催化劑,磷酸作脫水劑,採用兩步法制得n -苯基馬來酰亞胺,得到最佳反應工藝條件,產品收率為88 . 7 % ,純度為98 . 2 % (質量分數) 。1959 cyclophosphamide, an alkylating agent designed to improe the selectiity of cancer drugs, approed by fda
1959年, fda批準烴化劑環磷酰胺為抗癌藥,使抗癌藥物有了更多的選擇6t preparation of nylon 6t from polyester by polymeric amidation reaction with a catalyst
催化劑催化聚酯的大分子酰胺化反應制備尼龍The article is focused on the modification studies of chitosan ultrafiltrating compound membrane ( cs compound membrane ) on the basis of preceding researches. it includes adding cross - linking agent, modification agent, acylation agent in the casting membrane solution. the result shows that the new modification membrane are better in the phychemical properties and separation properties
本文是在前面研究的基礎上,著重進行了聚氨基葡糖復合超濾膜(簡稱cs復合膜)的改性研究.通過從交聯劑、改性劑、乙酰化試劑等方面的改性來尋求最佳的鑄膜液配方.結果表明,改性后的膜能達到較好的物化性能和分離性能Used for producing polyester resin, polyimide resin, water soluble, alkyd resin, water soluble polyurethane resin, plasticizer, water soluble amino - alkyd resin, curing agent for epoxy resin, aeroengine oil, electric capacitor maceration oil, binder, sizing agent, smoke suppressor, instant binder, etc.
:用於製造聚酯樹脂及聚酰亞胺樹脂水溶性聚脂樹脂水溶性聚氨酯樹脂增塑劑和水溶性氨基醇酸樹脂環氧樹脂固化劑以及高級航空潤滑油電力電溶器浸漬油粒料粘結劑施膠劑消煙劑瞬時粘結劑等A super acylation catalyst, 4 - dimethylamino pyridine ( dmap ), was prepared and used to synthesize cholesteryl ester compounds. four kinds of cholesteryl ester compounds such as cholesteryl p - alkoxyl benzoate, cholesteryl dicarboxylate, cholesteryl lumequeic ester and coattail - like cholesteryl ester were synthesized by acylation method and super acylation catalyst method. chemical structures and liquid crystal behaviors of the synthesized samples have been characterized by using element analysis, ftir, dsc and polarized microscopy with a hot stage
本文合成了高效酰化催化劑4 -二甲基氨基吡啶( 4 - dimethylaminopyridine , dmap ) ,採用酰氯化法和高效酰化催化劑法分別合成了對烷氧基苯甲酸膽甾醇酯、對稱脂族二羧酸膽甾醇酯、烯酸膽甾醇酯及燕尾型膽甾醇酯四類膽甾醇酯衍生物,並進行了化學結構和液晶性能的表徵。Abstract : the mixed salts of diethanolamine and sodium of lauramidoethylene sulfosuccinate is prepared to modify the products with the mixture of the diethanolamine and hydrogen sulfite of sodium as sulphonating agent. the transparency problem of the product is solved. the result of investigation illustrates the major physocochemical properities of the products after the modifying are basically corresponding to the one before the modifying, and the products have a strong containing salt ability, it is fit to compound the products of the high salt content
文摘:採用亞硫酸氫鈉與二乙醇胺的混合物作磺化劑,對琥珀酸月桂酰胺基乙酯磺酸鈉進行改性,制得了鈉與二乙醇胺的混合鹽,改善了產品的透明度.性能分析表明:改性前後其主要表面物理性能基本相當,且改性后該產品具有較強的抗鹽能力,適用於含鹽量較高的製品Manufacturer of levulinic acid and esters, and furfuryl alcohol, located in china. product specifications and usage
-生產丙烯酰胺聚丙烯酰胺硬脂酸鹽蘭尼銅催化劑。Acetylation between alcohol and benzoyl oxide was carried out using znbr2 as a lewis acid catalyst in solvent - free condition. some structures were characterized by nmr and ir
以溴化鋅為催化劑,在無溶劑條件下實現了醇與苯甲酸酐的酰化反應,部分產物經nmr和ir表徵。10th heavenly stem acid cobalt, boron xianhua cobalt adhesive production sales
癸酸鈷、硼酰化鈷粘合劑生產銷售。Manufacturer in china of 1 - aminoanthraquinone and 1 - nitroanthraquinone, used primarily as dye intermediates. also offers a pulp digestion product, magnesium sulfate, and potassium permanganate
-生產鈷鹽粘合劑,鎳鐵,不銹鋼帶,電解鎳,環烷酸鈷硬脂酸鈷硼酰化鈷癸酸鈷,硅鐵鉬鐵鈦鐵。A novel polyester thioure microcapsule was prepared using interracial polymerization with 1, 4 - benzenedicarbonyl diisothiocyanate and o - phenylenediamine. the influence of emulsifying agent, stirring speed and drug content on microcapsule performance were investigated
摘要以對苯二甲酰異硫氰酸酯與鄰苯二胺為原料,通過界面聚合法合成了一種新型聚硫脲微膠囊,考察了攪拌速率、乳化劑用量、投藥量等因素對微膠囊粒徑及釋放性能的影響。It is mainly used as an important pharmaceutical and pesticide intermediate. it is also used as an intermediate of crylicacid resin and anefficient solvent
作為醫藥、農藥、丙烯酸樹脂中間體,化學反應酰化劑,蘭金循環介質,取暖採暖熱泵工作流體,還是一種重要溶劑。分享友人