New contributions of this work are as follows:(1). Preparation of Spherical MgCl_2-Supported Late-Transition Metal Catalysts for Ethylene PolymerizationFacile and effective immobilization of late-transition metal catalysts. 2,3-bis-(2,6-diisopropylphenyl) butane diimine nickel dibromide (1) and 2,6-bis-[1-(2,4,6-trimethylphenylimino)ethyl]pyridine iron dichloride (2), for ethylene polymerization has been achieved, using spherical MgCl_2 supports obtained by thermal dealcoholization of MgCl_2·2.56C_2H_5OH, and the effects of dealcoholization temperature on supported late-transition metal catalysts and the properties of resultant polymers were studied, the results indicated that:1.Supports with appropriate mechanical strength, high surface area and high porosity could be prepared by thermal dealcoholization of spherical MgCl_2·2.56C_2H_5OH supports; 2.BET, XRD, IR, SEM, GPC and DSC analyses indicate that the activities of the supported late-transition metal catalysts and the properties of resultant polymers are strongly dependent on the dealcoholization temperature.

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New contributions of this work are as follows:(1). Preparation of Spherical MgCl_2-Supported Late-Transition Metal Catalysts for Ethylene Polymerization Facile and effective immobilization of late-transition metal catalysts. 2,3-bis-(2,6-diisopropylphenyl) butane diimine nickel dibromide (1) and 2,6-bis-[1-(2,4,6-trimethylphenylimino)ethyl]pyridine iron dichloride (2), for ethylene polymerization has been achieved, using spherical MgCl_2 supports obtained by thermal dealcoholization of MgCl_2·2.56C_2H_5OH, and the effects of dealcoholization temperature on supported late-transition metal catalysts and the properties of resultant polymers were studied, the results indicated that: 1.Supports with appropriate mechanical strength, high surface area and high porosity could be prepared by thermal dealcoholization of spherical MgCl_2·2.56C_2H_5OH supports; 2.BET, XRD, IR, SEM, GPC and DSC analyses indicate that the activities of the supported late-transition metal catalysts and the properties of resultant polymers are strongly dependent on the dealcoholization temperature.

本工作的新貢獻如下：(1)午夜福利理论片中文字幕、球形氯化鎂負(fù)載后過渡金屬催化荊催化乙烯聚合本文將配合物2，3-雙(2草女人网站，6-二異丙基苯亞胺)丁烷二溴化鎳(1)和配合物2激情图片小说网站，6-二[1-(2，4欧美三级国产一级，6-三甲基苯亞胺)乙基]吡啶二氯化鐵(2)分別直接負(fù)載于經(jīng)不同熱脫醇溫度處理的球形氯化鎂載體上欧美刺激性大交，研究了氯化鎂載體的脫醇溫度對負(fù)載化后過渡金屬催化劑及其聚合物的影響，研究表明： 1人人操人人看人人拍、通過對球形MgCl_2·2.56C_2H_5OH載體進行熱脫醇處理成人在线免，可以獲得合適機械強度、較高比表面積和較高孔隙度的球形氯化鎂載體在线小视频91； 2女人一级片免费、BET，XRD免费啪视频现在线视频网站，IR凹凸性爱视频，SEM，GPC和DSC研究表明欧美午夜理论片在线播放，脫醇溫度極大地影響負(fù)載后過渡金屬催化劑的活性和聚合物的性能Av最新高清无码专区。

Is now an annual production capacity of calcium chloride, bromide, DecaBDE, DBDPE three bromine phenol, Tetrabromobisphenol A, octabromodiphenyl ether, benzyl bromide, diphenyl ether, dibenzo ethane and other chemicals, 5,000 tons of bromine, hydrogen bromide by-product 5000 tons, the product export to Europe and Southeast Asia market, the company owns self import and export rights, and have passed the ISO9001: 2000 certification, is the most full-bromine chemical species, product quality, one of the best high-tech enterprises.

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A selective and mild PS-DIB/ionic-liquid immobilized 2, 2, 6, 6-tetramethyl-piperidin-4-ol-N-oxyl catalytic oxidation procedure of alcohols to the corresponding aldehydes and ketones in ionic liquid BF4 at room temperature was developed. The oxidant PS-DIB was prepared via the iodation and acetylation of polystyrene resin. For the preparation of the ionic-liquid immobilized TeMPO catalyst, 4-(2, 2, 6, 6-Tetramethyl-1-oxyl-4-piperidoxyl)butyl bromide was first synthesized from TeMPO and 1, 4-dibromobutane.

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A selective and mild PS-DIB/ionic-liquid immobilized TEMPO catalytic oxidation procedure of alcohols to the corresponding aldehydes and ketones in ionic liquid BF4 at room temperature was developed. The oxidant PS-DIB was prepared via Iodation and acetylation of polystyrene resin. For the preparation of the ionic-liquid immobilized TEMPO catalyst, 4-(2,2,6,6-Tetramethyl-1-oxyl-4-piperidoxyl)butyl bromide was first synthesized from 2,2,6,6-tetramethyl-piperidin-4-ol-N-oxyl and 1,4-dibromobutane.

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Professional sales companies operating bromide products: sodium bromide, sodium bromide, potassium bromide, potassium bromate, Tetrabromobisphenol A, Deca-BDE, ten PBDEs, DBDPE, hexabromodiphenyl Central dodecane, dibromo neopentyl glycol, neopentyl bromide three alcohols, three bromine phenol, octabromodiphenyl ether, brominated polystyrene, bromide, calcium bromide, dibromo succinic acid, dibromo-D ene glycol, bromide surfactants series: Dodecyl trimethyl ammonium bromide, tetradecyl trimethyl ammonium bromide, cetyltrimethyl ammonium bromide, octadecyl trimethyl ammonium bromide dodecyl trimethyl ammonium chloride, tetradecyl trimethyl ammonium chloride, cetyl trimethyl ammonium chloride, octadecyl trimethyl ammonium chloride, tetrabutyl ammonium bromide wholesale sales: dimethylolpropionic acid, DL-malic acid, isophthalic acid PIA, glycolic acid, adipic acid.

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Tetrachloroterephthalic acid was prepared by chlorinating terephthalic acid, oleumsolvent and iodine catalyst. Tetrachloroterephthalic acid was acylated by sulphurous oxychloride in the presence of DMF to form tetrachloroterephthaloyl chloride. The acyl chloride product was fluorinated by potassium fluoride and esterified by methanol to synthesize dimethyl tetrafluoroterephthalate. The ester was reduced with potassium borohydride and lithium chloride to give tetrafluoroterephthalyl alcohol. The above product was bromated in the hydrobromic acid to obtain 4-bromomethyl-2,3,5,6-tetrafluoro-benzene methanol. 4-Methyl-2,3,5,-6-tetrafluorobenzene ethanol was obtained by reducing the bromide with magnesium. In the exist of DCC and DMAP, tefluthrin was got by the condensation reaction between 4-methyl-2,3,5,6-tetrafluoro-benzene methanol and-(1RS,3RS)- 3-(2- chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethyl cycolpropanecar-boxylate acid.

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Decabromodiphenyl oxide,tetrabromobisphenol A,sodium bromide,sodium bromate,potassium bromide,ammonium bromide,calcium bromide,calcium chloride,magnesium chloride,sodium bicarbonate,magnesium hydroxide,manganese bromide,hydrobromic acid,salt etc.

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Seven of them have not been reported.Their structures were confirmed by IR,~1HNMR,MS,and element analysis. 4.Meanwhile,the green methylation procedure of imides was developed by using dimethyl carbonate as methylation reagent.A series of imides,for example,phthalimide,3,4-dibromo-maleimide and succincide were used for substrates.The effects of DABCO(1,4-diazabicyclo [2.2.2]octane)and DBU(1,8-diazabicyclo[5.4.0]undec-7-ene)as a catalyst in this kind of reactions were investigated.2-Bromo-3-(1-methylindolyl-3-yl)-1-methyl-1H-pyrrole-2,5-dione was prepared by using dimethyl carbonate,which further expanded the use of dimethyl carbonate,as a green agent in organic synthesis.

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Flame retardant properties and mechanical properties of ABS which was incorporated into different molecular weight bromated epoxy resins flame retardant agent were evaluated.

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benzyl bichloride：二氯甲基苯

benzyl benzoic acid 芐基苯甲酸 | benzyl bichloride 二氯甲基苯 | benzyl bromide 溴化芐

benzene dibromide：二溴化苯

benzene diamine 苯二胺 | benzene dibromide 二溴化苯 | benzene dichloride 二氯化苯

benzalacetophenone：亞芐苯乙酮;苯乙烯基苯基酮;亞芐乙酰苯

亞芐丙酮 benzalacetone; benzylideneacetone | 亞芐苯乙酮;苯乙烯基苯基酮;亞芐乙酰苯 benzalacetophenone | 二溴化苯乙烯基苯基酮 benzalacetophenone dibromide

benzalacetophenone dibromide：二溴化苯乙烯基苯基酮

亞芐苯乙酮;苯乙烯基苯基酮;亞芐乙酰苯 benzalacetophenone | 二溴化苯乙烯基苯基酮 benzalacetophenone dibromide | 苯基苯乙烯基酮;查酮;亞芐基苯乙酮 benzalacetophenone; chalcone; benzylideneacetophenone

benzalacetophenone; chalcone; benzylideneacetophenone：苯基苯乙烯基酮;查酮;亞芐基苯乙酮

二溴化苯乙烯基苯基酮 benzalacetophenone dibromide | 苯基苯乙烯基酮;查酮;亞芐基苯乙酮 benzalacetophenone; chalcone; benzylideneacetophenone | 亞芐乙酰丙酮 benzalacetylacetone

benzenediazonium tribromide：三溴化重氮苯

硝酸重氮苯 benzenediazonium nitrate | 三溴化重氮苯 benzenediazonium tribromide | 苯二甲酸 benzenedicarbonic acid; benzenedicarboxylic acid

nitrobromoform; bromopicrin：硝溴仿;溴苦質(zhì);溴化苦

硝苯并咪唑 nitrobenzimidazole | 硝溴仿;溴苦質(zhì);溴化苦 nitrobromoform; bromopicrin | 硝丁二醇 nitrobutanediol

phenylboric acid：苯硼酸

苯基苯;聯(lián)苯 phenylbenzene; biphenyl | 苯硼酸 phenylboric acid | 二溴化苯硼 phenylboron dibromide

brominated oil：溴化油

Brominal 溴苯腈除草劑 | brominated oil 溴化油 | bromindione 溴茚二酮

dodecyl dimethyl benzyl ammonium bromide：十二烷基二十二甲基芐基溴化銨

dodecyl benzene 十二烷基苯 | dodecyl dimethyl benzyl ammonium bromide 十二烷基二十二甲基芐基溴化銨 | dodecyl sulfonic acid sodium salt 十二烷基磺酸胺