丙烯酸

Octadecyl acrylate was synthesized by melt esterification from octadecyl alcohol and acrylic acid using solid super acid as catalyst.

以丙烯酸和十八碳醇为原料，采用固体超强酸SO42-/TiO2为催化剂及直接酯化法制备丙烯酸十八酯。

And we also modify the surface of the glass fiber reinforcedunsaturated polyester with the G-02 and G-04. It reacts with the materials surface layer whenthe Composite solidifies. It gets a lower critical surface tension, high contact angle. Theproperty of waterproof and oilproof has improved.

并且利用已有的活性物质(甲基丙烯酸六氟丁酯G-02，甲基丙烯酸十二氟庚酯G-04)处理玻璃纤维增强不饱和聚酯的表面，在基体固化时，实现在材料表层参与固化反应，获得特低临界表面张力、高接触角特性，使处理后的玻璃钢表面具有一定的疏水疏油性能。

Preferred activated olefinic groups areacrylates and especially acrylates.

首选激活烯组丙烯酸酯和丙烯酸酯，尤其是。

Acrylic resin containing N,N-dimethyl amino group and vinyl group applicable for UV-curable and cathodic electrophoretic paint was synthesized via radical polymerization of acrylic monomers followed by modification with methacrylic oxyethyl isocyanate.

通过自由基共聚合得到丙烯酸树脂，然后用甲基丙烯酸异氰酸乙酯对其改性，合成了既带有N，N-二甲胺基，又带有乙烯基的紫外光固化阴极电泳漆基体树脂。

The results showed that the low-molecular weight sodium polyacrylate from 2 000 to 4 000 were obtained when reaction temperature was 70 ℃,acrylic acid mass fraction was 20 %～30 %,the mass ratio of potassium persulphate to sodium hydrogen sulfite was 10∶1～14∶1,and reaction...

对合成的聚丙烯酸钠在陶瓷铁粉上进行应用试验，当聚丙烯酸钠加入量为0.3%~0.5%时，所得浆料粘度较小，有良好的分散效果。

Pilot-plant test for synthesis of poly/attapulgite superabsorbent composite was carried out using acrylic acid and attapulgite as main raw materials,N,N′-methylene-bisacrylamide as crosslinker and composite composed of V-50 and ammonium persulphate as initiator by solution polymerization in a 100 L pilot-plant test equipment.

在100 L的中试设备上，用水溶液聚合法，以丙烯酸和凹凸棒黏土为主要原料，以N，N-亚甲基双丙烯酰胺为交联剂，V-50和过硫酸钾复配作为引发体系，进行了聚丙烯酸/凹凸棒复合保水剂的中试放大实验。

The polyacrylate nanocomposite coatings were prepared by dispersing oxide nanoparticles in polyacrylate. The thermal degradation, photooxidative degradation and wear mechanisms under water lubrication of nanocomposite coatings were also evaluated.

并将纳米氧化物分散在聚丙烯酸酯乳液之中，制备纳米氧化物/聚丙烯酸酯复合涂层，分析纳米氧化物对涂层热降解、光降解以及在水润滑条件下摩擦磨损的影响。

The photosensitiviy of Novel synthiesized polyether acrylate ANE and Si-containing ANS were studied in this paper.The photosensitiviy and physicomechanical properties of their cured products,inchuding transparency,water absorption,hardness and Tg were investigated in terms of the quantity of reactive diluent hydroxyethylacrylate.

本文主要研究了合成的新型聚醚丙烯酸酯ANE和有机硅丙烯酸酯ANS的感光性、活性烯释剂HEA用量对ANS、ANE的感光性能及ANS、ANE光固化材料物理机械性能的影响。

First, when operating the DABCO-catalyzed Ireland-Claisen rearrangement of propargylic acrylates 18b-d, we added dienophiles 40a-f in the reaction system to capture the rearranged allenes products respectively. The Diels-Alder adducts 41a-i were obtained with complete regioselectivity. Thus a novel tandem Ireland-Claisen rearrangement /Diels-Alder reaction process with propargylic acrylates has been developed.

首先在进行DABCO-催化的丙烯酸炔丙酯类化合物18b-d的Ireland-Claisen重排反应的同时，于反应体系中分别加入亲二烯体40a-f捕获重排得到的连二烯中间体，一步反应获得了单一区域选择性的Diels-Alder环加成产物41a-i，从而创建了一条新颖的丙烯酸炔丙酯类化合物的Ireland-Claisen重排与Diels-Alder环加成的串联反应路线。

Monomer which is used to synthesize polypropylene ester, mechanism of polymerization, a formula and technique parameters of synthesizing propenoic acid ester polymer are studied. An emulsifying stabilizer with good properties is synthesized.

本文研究了合成聚丙烯酸酯类物质的单体、聚合反应的机理、合成丙烯酸酯类聚合物的配方以及工艺参数，合成了具有良好性能的乳化稳定剂。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。