乙烯基苯

The invention belongs to the synthesis technical field of pharmaceutical intermediates, and more particularly relates to a preparation method of Cis-4-(2-bromine ethylene) benzene sulfonamide.

本发明属于药物中间体合成技术领域，具体涉及一种顺式-4-(2-溴乙烯基)苯磺酰胺的制备方法。

The magnetic microbeads with 1μm diameter are synthesized by ultrafine γ-Fe2o3, cinnamene, diethylene benzene monocase combined suspendd polymerize and ultrasonic technology. The magnetic microbeads are composed of ultrafine magnetic powders, polymer and single-antibody.

采用超细r-Fe2O3粉对界面进行处理，利用苯乙烯、二乙烯基苯单体，采用悬浮聚合法和超声波技术，合成粒径为1μm左右的磁性微珠，该磁性微珠由超细磁粉、高分子材料和单抗功能基团组成。

The magnetic microbeads with 1um diameter were synthesized by ultrafined r-Fe2O3, cinnamene, diethylene benzene moncase combined suspend polymerize and ultrasonic technology. The magnetic are composed of ultrafine magnetic powders, polymer and single-antibody.

采用超细r-Fe2O3粉界表面进行处理，利用苯乙烯、二乙烯基苯单体，采用悬浮聚合法和超声波技术，可以合成粒径为1um左右的磁性微珠，该磁性微珠由超细磁粉、高分子材料和单抗功能基团组成。

A kind of modified casting polyurethane by styrene and divinyl benzene with good adhesion with ethylene-propylene-diene monomerhas been prepared by one-step process, which can be cured at the room temperature.

采用苯乙烯、二乙烯基苯对聚氨酯进行了改性研究，利用一步法工艺，制备了与三元乙丙橡胶具有优良粘接性能的双组分室温固化的改性浇注胶。

The light filtrating properties were studied through the filling of 3D continuous pores with divinyl benzene as a highly refractive liquid.

研究了三维连续孔道在充满二乙烯基苯高折射液体后的滤光特性，通过引入金属离子改变固体材料折射率的方法，验证了光在高折射液相中的全反射效应，并从定性角度建立三维骨架材料的孔径及分布与透射光波长范围之间的关系，对新光学现象给出了初步解释。

A CR/polystyrene IPN blend was prepared by stepwise synthesis based on CR and styrene monomer and using divinyl benzene as crosslinking agent of PS.

以CR和苯乙烯单体为原料，二乙烯基苯为苯乙烯的交联剂，采用分步合成法制备CR/聚苯乙烯互穿网络共混物。

In the first step, star-shaped polystyrene,_n, was synthesized by the arm-first method via ATRP using a preformed PS macroinitiator obtained by ATRP of styrene, in the presence of divinyl benzene.

合成过程具体是：首先，先由ATRP合成线形聚苯乙烯，并以此作大分子引发剂，二乙烯基苯作偶联剂，采用先臂后核的方法，制备星形聚苯乙烯_n。

The results showed that when 0.3 g of divinyl benzene was used as crosslinking agent, the crosslinking degree increased significantly from 28.26% to 90.95% with the increase of MAA amount from 4.0 mol% to 10.0 mol%, and this increase became slowly as MAA amount was more than 10.0 mol%; the particle volume expansion was increased gradually as MAA amount increased, and reached a maximum of 42.1% when 12.0 mol% of MAA was used, and perfect porous morphology inside particles was observed even when the crosslinking degree reached 95.4% at 14.0 mol% of MAA.

结果表明：在交联剂二乙烯基苯用量一定(0.3 g)的条件下，随着MAA用量从4.0 mol%增加到 10.0 mol%，聚合物交联程度从28.26%迅速增大至90.95%，当其用量超过10.0 mol%后 P x增大趋势变缓；随着MAA用量的增加，处理后胶粒体积膨胀百分率逐渐增大，在MAA用量为12.0 mol%时Δ V 达到42.1%的最大值，当MAA用量增大到14.0 mol%时，尽管 P x高达95.44%，胶粒仍具有完好的孔状结构。

Bisphenol A dicyanate ester resin ; styrene ; divinyl styrene ; RTM

双酚A型氰酸酯；苯乙烯；二乙烯基苯； RTM

Firstly, partial sulfonated polystyrene were prepared by solution polymerization with the raw materials of styrene, sodium styrene sulfonate and divinyl benzene; Secondly, the SPS/OMMT nanocomposites were prepared by intercalation polymerization with the monmers and organically modified montmorillonite.

首先，利用NMP为溶剂，BPO引发苯乙烯、苯乙烯磺酸钠、二乙烯基苯溶液共聚；同时，采用高分子的单体与有机蒙脱土插层聚合制备了磺化聚苯乙烯阳离子树脂／蒙脱土复合材料。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。