styrene

Cation exchange resin, strong acidic styrene (001x8);Duolite C20,sodium form;

强酸性苯阳离子换树脂(001×8型);

The hydroxyl value analysis of acrylate-styrene copolymcr solution by usillg acetylchloride as an acetylating agent is discussed.

结合对体所含双氧水浓度的测定，以酰氯法测量了合双氧水的丙酸酯-苯共聚物溶液体的聚合物的羟值。

The results showed that the main product was benzaldehyde and a little by-products were styrene oxide and phenylacetaldehyde.

发现该工艺中主要生成苯甲醛，少量副产物是环氧苯烷和苯醛等。

Being a bivinyl crosslinker,3 could be copolymerized with styrene giving gel-type resin with superior swelling characteristics.

用此方法合成的标题化合物作与苯聚合,可得到具有特殊溶胀性能的聚苯树脂。

Phenolic resin was modified respectively using four latexes of butyronitrile-butadiene,carboxylic butyronitrile-butadiene,styrene-butadiene and pyridine-butadiene.

采用丁腈、羧基丁腈、丁苯、丁吡四种胶乳改性酚醛树脂。

Conver rubber and cushion rubber is styrene-butadiene rubber or chlorobutadiene that has good heat resistance.

该产品可在120℃以下的温度正常使用，适用于输送温度在此120℃以下的物料。

The method of liquid phase rearrangement of styrene oxide to phenylacetaldehyde catalyzed by SAStype solid acids and molecular sieves was studied.

研究了SAS型固体酸和几种分子筛上氧化苯液相重排成苯醛的反应,考察了催化的活性、选择性和和稳定性。

High performance quadripolymer latex for waterborne anti-corrosive paint is synthesized by use of butyl acrylate,styrene,acrylonitrile and acrylate acid.

用丙酸丁酯、苯、丙腈、丙酸共聚,得到性能优良的水性防腐涂料乳液;

The inhibition and retardation effects of N,N-diethylhdroxyamine (DEHA) on free radical polymerization of styrene were investigated by dilatometry.

利用膨胀计研究了二基羟胺(DEHA)对苯自由基聚合的阻聚和缓聚作用。

In this study, the epoxidation of styrene-isoprene-styr en e triblock copolymers (SIS) by an in situ generated peracid method was discussed .

利用过甲酸对热塑弹性体SIS进行环氧化改性,合成了环氧化SIS(ESIS)。

The polymerization of styrene in O/W, W/O, and BC microemulsions was investigated by using the water - soluble potassium persulfate and oil - soluble azo - bis - isobutyronitrile(AIBN) as initiators.

得到了苯转化率和聚苯分子量与体水含量之间的关,讨论了微乳液结构对聚合作用的影响。

The results showed that the main product was benzaldehyde and a little by-products were styrene oxide and phenylacetaldehyde.

发现该工艺中主要生成苯甲醛，少量副产物是环氧苯烷和苯醛等。

Several chiral aryl diphosphite ligands derived from pyranoside backbones of glucose and galactose were applied in Rh-catalyzed asymmetric hydroformylation of styrene.

合成了四个从葡萄糖及半乳糖衍生的手性芳基双膦配体,制备了手性双膦-铑(Ⅰ)配合物催化,并将其用于苯不对称氢甲酰化反应中。

The method of liquid phase rearrangement of styrene oxide to phenylacetaldehyde catalyzed by SAStype solid acids and molecular sieves was studied.

研究了SAS型固体酸和几种分子筛上氧化苯液相重排成苯醛的反应,考察了催化的活性、选择性和和稳定性。

Result The top 5 chemical allergic resources of these patients were 0.1% thiomersalate, 5% nickel sulfate,7% aromatic compound,1% formaldehyde( water solution),1% styrene.

结果居常见致敏原前5位的化学物质分别是0.1%硫柳汞、5%硫酸镍、7%芳香混和物、1%甲醛(水溶液)、1%肉桂醇。