溴化剂

4-硝基苯胺在稀硫酸介质中用氢溴酸和过氧化氢为溴化剂溴化反应的研究

Research on Bromination of 4-Nitroaniline With Hydrobromic Acid and Hydrogen peroxide as Brominating Agent in Medium of Dilute Sulfuric Acid

在1,2二氯乙烷、甲醇、乙醇等溶剂中，或以络合态溴作为溴化剂时，反应也需要加热。

Heating was necessary too , when 1,2-dichloroethane , methanol or ethanol was used , or bromine-dioxane complex was taken as brominating agent .

溴化阻燃剂（Brominatedflame-retardants，BFRs）是一类新型的全球性环境污染物。

Brominated flame-retardants ( BFRs ) are a new , diverse group of global environmental pollutants .

溴化阻燃剂（BFRs）是在生产中普遍使用的工业化学制剂，种类繁多。

Brominated flame retardants ( BFRs ) are widely used industrial chemicals .

三-（2,3-二溴丙基）异氰脲酸酯（TBC）是近年来在环境中新检测到的一种杂环溴化阻燃剂，其毒性效应尚不明确。

Tris - ( 2,3-dibromopropyl ) isocyanurate ( TBC ) is a heterocyclic brominated flame retardant that was recently detected in the environment , and its toxic effects are still unclear .

气相色谱-质谱联用检测塑料产品中溴化阻燃剂

Determination of Brominated Flame-retardant in Plastic Products by Gas Chromatography-Mass Spectrometry

这种无氯，无溴化阻燃剂的电脑有美国UL-94V0的评级，并在透明和着色的颜色可供选择。

This non-chlorinated , non-brominated flame retardant PC has an UL-94 V0 rating and is available in transparent and tinted color options .

猫甲状腺机能亢进的增多可能也和溴化阻燃剂有关系，这种阻燃剂用在室内装潢和电子器件上，在污染粉尘以及罐装猫食中也有。

A rise in hyperthyroidism in cats also has been linked to brominated flame retardants , which are used in upholstery and electronics and contaminate dust and canned cat foods .

而戴尔在预防和回收方面得分很高，可是由于没有淘汰聚氯乙烯和溴化阻燃剂而失分很多（尽管戴尔已设定了实现此举的最终期限）。

Dell , however , scores well in this regard and on recycling , but loses marks for not having phased out PVC and BFRs yet , though it has set a deadline for doing so .

本文借助水热法，以正硅酸乙酯为硅源，十六烷基三甲基溴化铵为模板剂，在碱性条件下制备了纳米MCM-41分子筛。

In this thesis , nanometer MCM-41 molecular sieve was synthesized in alkaline medium by hydrothermal method using cetyltrimethylammonium bromide as template , tetraethoxysilane as silicon resource .

用稻壳灰为硅源，用十六烷基三甲基溴化铵作为模板剂，在酸性或碱性条件下均成功地合成了有序介孔SiO2材料MCM-41。

Using the rice husk ash ( RHA ) as silica source , cetyltrimethylammonium bromide ( CTAB ) as template , the mesoporous silica MCM-41 was successfully synthesized under acidic , basic media .

首先，我们采用溶胶-凝胶法，以十六烷基三甲基溴化铵为模板剂合成了介孔磷酸镍NiPO-1和NiPO-2。

Mesoporous nickel phosphates , NiPO-1 and NiPO-2 , were synthesized with CTAB as a template via sol-gel method . The template was removed by the method of extraction in order to make their mesopores accessible .

溴化石油树脂阻燃剂

Flame Retardant Agent of Bromized Petroleum Resin

介绍了溴化环氧树脂阻燃剂的性能和工业开发。

In this paper , the industrial development and performance of epoxy resin bromide flame retardant are introduced .

5,10,15-三（对氯苯基）20-丙氧苯基卟啉三乙基溴化铵显色剂与铜的显色反应

Color Reaction of 5 , 10 , 15-Tris ( 4-chlorophenyl ) - 20 - ( 4-propyleneoxyphenyl ) porphyrin Triethyl Ammonium Bromide with Copper

以天然黏土和硅酸钠为原料、十六烷基三甲基溴化铵为模板剂，水热法合成了有序性好的高稳定性介孔分子筛。

Highly stabilized mesoporous molecular sieves were synthesized by the hydrothermal method using natural clay and so-dium silicate as raw materials and cetyltrimethyl ammonium bromide as a template .

本论文在以四丙基溴化铵为模板剂的廉价体系中，分别使用不同的硅源和钛源研究了钛硅分子筛的水热合成。

In this paper , Titanium Silicalite-1 ( TS-1 ) was synthesized by using different silicon sources and titanium sources in a cheap hydrothermal system in which tetrapropylammonium bromide was used as the template .

考察了三种溴化环氧树脂阻燃剂（自制，相对分子质量分别为2.5×104、4.3×104和6.1×104）的热性能。

Three brominated epoxy resin flame retardants ( molecular weight is 2.5 × 10 4 , 4.3 × 10 4 and 6.1 × 10 4 respectively ) were prepared and their thermal characteristics was investigated .

以甲苯为原料，对甲苯磺酰乳酸乙酯为Friedel-Crafts烷基化试剂，N-溴代丁二酰亚胺为溴化剂，合成了洛索洛芬的关键中间体&2-（4-溴甲基苯基）丙酸乙酯。

Ethyl 2 - ( 4-bromomethylphenyl ) propionate , key intermediate of Loxoprofen , was synthesized from toluene via Friedel-Crafts reaction and bromination .

溴代反应中的选择性溴化剂

Selective brominating agents in bromination

载溴树脂作为活泼芳香族化合物的溴化剂

The Bromination of Active Aromatic Compounds by Bromine Supported on Iron - Exchange Resin

用载溴树脂作为间甲基茴香醚、间甲酚等活泼芳香化合物的溴化剂，得到一溴代产物，产率为75-85%。

Active aromatic compounds were bromizated by using bromine - supporting resin as bromizating agent .

研究以四溴双酚A和环氧氯丙烷为原料在二氧六环和水混合溶剂中一步法合成了高分子量溴化环氧树脂阻燃剂。

One-step synthesis of the high molecular weight bromated epoxy resins for flame retardants is studied with tetrabromobisphenol A and epichlorohydrin as raw materials in mixed solvent comprising 1,4-dioxan and water .