考察了温度、催化剂用量、加料速率等因素对苯乙烯与甲基二氯硅烷硅氢加成反应的影响。
The effects of temperature, the quantity of catalyst used, and reactant feed rate on hydrosilylation was discussed.
研究了固载液相铂催化剂的制备及其在3-氯丙烯与甲基二氯硅烷硅氢加成反应中的催化性能;
The preparation of supported liquid-phase platinum catalyst, and its catalytic property for hydro-(silylation) reaction of 3-chloropropene were studied.
新增塔投入运行后,经二甲基二氯硅烷的纯度、水裂解工序的操作性及产品质量等指标验证,达到了预期的效果。
When new tower put into use, verifying the purity of dimethyldichlorosilane, operability of hydrolyzed and cracked process and product quality, it got the desired results.
实验研究了直接法流化床合成甲基氯硅烷过程中反应温度对反应活性和二甲基二氯硅烷(DDS)选择性的影响。
The effect of reaction temperature on reaction activity and selectivity of dimethyl dichlorosilane (DDS) in direct synthesis process has been investigated experimentally.
2,3-二氯-5-三氟甲基吡啶是杀虫剂氯氟脲类合成农药的关键中间体。
2,3-Dichloro-5-trifluoromethylpridine is a key intermediate of synthesis pesticides of insecticide chlorfluazuron.
从南极永久性积雪空气分析大气卤烃的历史:甲基溴化物,甲基氯化物,氯仿和二氯甲。
Atmospheric histories of halocarbons from analysis of Antarctic firn air: methyl bromide, methyl chloride, chloroform, and dichloromethane.
二氯二甲基海因为含64. 45 %有效氯的白色粉末或颗粒。
Dichloro - dimethyl hydantoin is white powder or granules containing 64. 45 % avail able chlorine.
本课题以蜜糖和十二烷基二甲基叔胺为原料,选择环氧氯丙烷作为季铵化反应的烷化剂。
This new synthesis method of humectants used honey and di-methyl-dodecyl amine as material to produce a quaternary surfactant.
论还了2,4-二氯-3,5-二硝基三氟甲基苯的合成方法;对影响收率的反应温度,反应时间和催化剂进行了研究。
This paper reported the synthetic method of 2, 4-dichloro-3, 5-dinitrotrifluorotoluene. The effect of temperature, time, and catalyst on yield were studied.
在三氯氧磷作用下,由芳氧基乙酸和氨基硫脲经脱水环合,微波辐射快速合成了一系列2氨基5芳氧亚甲基1,3,4噻二唑类化合物。
The reaction of aryloxy acetic acid with thiosemicarbazide in the presence of dehydrating agent, POCl_3, affords a series of 2amino5aryloxymethyl1,3,4thiadiazoles under microwave irradiation (MWI).
制备的以羧甲基纤维素钠与卡波姆940为主要混合基质的二氧化氯缓释凝胶剂质量符合2005年版《中国药典》凝胶项下的规定。
The quality of the slow-release of chlorine dioxide prepared with sodium carboxymethyl Cellulose and carbopol 940 as the main mixed-matrix consistent with the 2005 edition of Chinese Pharmacopoeia.
样品溶解在二甲基亚砜中,以正离子方式记录谱图,结果发现除产生一个失去氯原子的分子离子峰外,没有任何碎片峰。
The samples were dissolved in dimethyl sulfoxide (DMSO) and the data were recorded by positive ion mode. No any other fragment was found except for little molecular ion which loses a chlorine atom.
介绍了一种采用二甲胺代替石灰与氯油反应,在生产氯仿的同时联产N,N-二甲基甲酰胺的新工艺。
In this paper, a new chloroform production process by reaction of chlorinated oil with dimethyl amine instead of lime is introduced, in which N, N- dimethyl methanamide is coproduct.
二氯1,3 -二(3,5 -二甲基吡唑)丙烷合钯的合成及晶体和分子的结构。
Synthesis, Crystal and Molecular Structure of Dichloro 1, 3 Bis (3, 5 Dimethylpyrazolyl) Propane Palladium.
甲基二烯丙基硅烷是一种重要的有机硅中间体,采用甲基三乙氧基硅烷和烯丙基氯通过格式反应制得。
Diallylethoxylmethylsilane is an important silicone intermediate. It was prepared by reaction of methyltriethoxylsilane with allyl chloride grignard reagent.
前言:2,3-二氯-5-三氟甲基吡啶是合成农药杀虫剂定虫隆、除草剂吡氟氯禾灵和杀菌剂氟啶胺的关键中间体。
Abstrat:2,3-Dichloro-5-trifluoromethylpridine is a key intermediate of synthesis pesticides of insecticide chlorfluazuron , herbicide haloxyfop and bactericide fluazinam .
报道了一类1,1-二取代炔丙醇(1)氯代产物与4-甲基-7-羟基香豆素反应的异常缩合产物。
This paper reported a kind of unusual products from the reaction of chlorides of 1,1-disubstitutedpropargyl alcohols with 4-methyl-7-hydroxycoumarin.
以甲基丙烯酸、1,10-癸二醇和三氯硫磷为主要原料合成出了紫外光固化粘接性单体10-甲基丙烯酰氧癸基硫磷酸二氯。
UV-curable adhesive monomer 10-methacryloyloxydecyl thiophosphoric acid dichloride was synthesized from the reaction of thiophosphoryl chloride with methylacrylic acid and 1,10-decanediol.
用对二氯甲基苯作为后交联剂,与聚丙烯接枝苯乙烯-二乙烯苯纤维进行后交联反应,制备出具有高比表面积的后交联纤维。
The post-crosslinking fiber was prepared by cross-linking PP-ST-DVB fiber with p-xylylenedichloride according to the friedel-crafts reaction and was given a series of synthesis tests.
名称:甲基乙烯基二氯硅烷;
以邻三氟甲基苯胺为起始原料,二水氯化铜为催化剂,盐酸-双氧水为氯化剂,合成4 -氯- 2 -三氟甲基苯胺。
4-chloro-2-trifluoromethyl aniline was synthesized from 2-trifluoromethyl aniline, using hydrochloric acid-hydrogen peroxide as the chlorination agent and cupric chloride as the catalyst.
本文应用同步多重合成新技术分别在氯甲基树脂及MBHA树脂上成功地合成了二批抗生育寡肽类似物(1~6)。
Two pentapeptides (1,2) and four tetrapeptides (3~6) were prepared successfully by simultaneous multiple peptide synthesis (SMPS) on the merrifield's resin and MBHA resin respectively.
以二氧杂环己烷为溶剂,通过聚乙二醇2 70与对甲基苯磺酰氯反应合成了1 8冠6,产率64 .4 %。
Also, in dioxane solution, 18Crown6 was prepared in 64.4% yields by reaction of polyethylene glycol 270 and ptoluenesulfonyl chloride.
用二(三氯甲基)碳酸酯(BTC)代替光气,“一锅法”合成了8种取代脲类除草剂,产物结构经元素分析、IR确证。
Eight substituted ureas herbicides were synthesized with bis(trichloromethyl) carbonate(BTC). The production structures were identified by elemental analysis and IR.
以3,3′,5,5′-四甲基联苯二酚和环氧氯丙烷为原料两步法合成了3,3′,5,5′-四甲基联苯二酚二缩水甘油醚。
3′, 5,5′-tetramethyl-diphenyl diglycidyl ether was synthesized from 3,3′, 5,5′-tetramethyl-diphenol and epichlorohydrin by two-step method.
以3,3′,5,5′-四甲基联苯二酚和环氧氯丙烷为原料两步法合成了3,3′,5,5′-四甲基联苯二酚二缩水甘油醚。
3′, 5,5′-tetramethyl-diphenyl diglycidyl ether was synthesized from 3,3′, 5,5′-tetramethyl-diphenol and epichlorohydrin by two-step method.
应用推荐