查询词典 acrylic acid

Synthesis of perfluoroalkylethylacrylate from polyfluoroalcohol and acrylic acid with p toluene sulphonic acid as catalyst was studied.

以对甲苯磺酸为催化剂，多氟醇和丙烯酸为原料合成全氟烷基乙基丙烯酸酯。

Tetradecyl acrylate was synthesized by direct-etherification from tetradecyl alcohol and acrylic acid with p-methyl benzene sulfuric acid as catalyst.

摘 要：以丙烯酸和十四醇为原料，经酯化反应直接合成丙烯酸十四酯。

The conversion of product reaches 98% under the optimal experiment condition: the molar rate of acrylic acid and tetradecyl alcohol is 1.1; the amount of p-methyl benzene sulfuric acid is 0.8%; the amount of p-benzened...

得出合成丙烯酸十四酯的最佳合成条件：丙烯酸与十四醇摩尔比为1 1，对甲苯磺酸用量为0 8%，对苯二酚用量为0 6%，反应温度为120℃，反应时间为4h。

The reactivity of dodecylamine, GMA and 2-ethyl-2-oxazoline reacting with grafted ABS is: GMA-ethyl-2-oxazolinedodecylamine. The reactivity of grafted polymer is: ABS-g-acrylic acid Melt grafting of undecylenic acid onto ABS was carried out in a Haake Rheocord RC90 mixer using dicumyl peroxide as initiator.

将ABS接枝物与聚酰胺熔融共混，共混物的粘度和扫描电镜结果表明接枝物的反应活性顺序为：ABS-g-丙烯酸以DCP为引发剂，在HAAKE流变仪的密炼机中能成功进行10-十一烯酸熔融接枝ABS树脂。

After copolymerized with acrylic acid and 2-acrylamido-2-methylpropanesulfonic acid, LLC hydrogels were modified with COOH and SO3H, respectively.

与普通水凝胶相比，以溶致液晶为模板合成的溶致液晶型水凝胶孔径更加的小而均匀。

Acrylamio-2-methyl propane sulfonic acid is applied in the production of water-based latex,which copolymerizes with acrylic acid,styrene or vinyl acetate to turn out latex resin.

2-丙烯酰胺基-2-甲基丙磺酸应用于水基性胶乳的生产过程中，与丙烯酸、苯乙烯或醋酸乙烯发生异分子聚合而生成胶乳树脂。

Two-component waterborne polyurethane paint composed of acrylic dispersion and hydrophilically-modified polyisocyanate has fast dry time, good adhesion, flexibility, impact resistance, but poor water and chemical-resistance. The dry time becomes shorter with the increase of glass transition temperature and the decrease of acid value; the gloss of the film decreases with the increases of hydroxyl value, acid value and Tg of emulsion polymer; higher Tg polymer leads to harder film.

将制得的丙烯酸分散体与亲水改性多异氰酸酯组分配制水性双组分聚氨酯涂料，发现漆膜表干和实干比较快，干燥时间随玻璃化温度升高而缩短，随酸值的增加而增加；附着力、柔韧性和冲击强度比较好；光泽随分散体羟值、酸值的增加和玻璃化温度升高而降低；硬度随玻璃化温度升高而升高；较高的酸值使涂料的耐化学品性和耐水性较差，羟值在100mgKOH/g时较好，而酸值应尽可能低。

Comb-shaped polycarboxylic -type superplasticizers were synthesized with acrylic acid,mathacrylic acid,sodium allylsulphonateand methoxypolymethacrylatethrough aqueous copolymerization initiated by ammonium persulfate.

将甲氧基聚氧乙烯醚单甲基丙烯酸酯、丙烯酸、甲基丙烯酸和烯丙基磺酸钠进行水溶液共聚，合成了具有梳型结构的聚羧酸系高效减水剂。

Acrylic acid is important non-saturated organic acid.

丙烯酸是重要的不饱和有机酸。

MaterialsMethylmethacrylate, ethyl acrylate, acrylic acid and methacrylic acid (all A.R. grades, FirstChemical Reagent Factory, Tianjin, China) were puried bydistillation under reduced pressure and kept in therefrigerator.

物料甲基丙烯酸甲酯，丙烯酸乙酯，丙烯酸和甲基丙烯酸（所有机场铁路等级，第一化工试剂厂，天津，中国）的纯化减压蒸馏和留在refrigerator。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。