丙烯酸

The effects of cross-linking agent,initiator and potassium hydroxide contents on water absorbency are studied.

以腐植酸与丙烯酸聚合制备了高吸水性树脂，讨论了交联剂、引发剂以及KOH用量对聚丙烯酸与腐植酸高吸水性树脂吸水率的影响，结果显示在n∶n=0。

In this study, Chitosan-Poly complex nanoparticles were prepared by template polymerization of acrylic acid in the chitosan solution. The preparation and characterization of CS-PAA nanoparticles including the yields of the nanoparticles, FT-IR spectrum analysis, dynamic light scattering, zeta potential, and morphology of nanoparticles were concentrated in this study. The effects of temperature, weight ratio of CS and PAA, and pH value on the physicochemical properties of nanoparticles were studied.

本研究中，我们以模板聚合法在几丁聚醣（Chitosan， CS）溶液中聚合丙烯酸（Acrylicacid， AA）以制备几丁聚醣－聚丙烯酸复合奈米颗粒并计算其产率，再以傅利叶红外线光谱仪、动态光散射粒径分析仪（Dynamic light scattering， DLS）、表面电位测定仪及穿透式电子显微镜等仪器分析CS－PAA 复合奈米颗粒之性质，以探讨聚合时温度、聚合反应时间、CS 与AA 之重量比，以及介质pH 值对CS－PAA 复合奈米颗粒结构的影响。

The Company production of fly-long series of waterproof materials trump card has permeable crystalline series type ,ò-type, quick-setting type, activity Masterbatch, external waterproof plugging Series: ten thousand can be coated (FL-8 Silicone concentrated liquid), water non-stick (capillary crystalline waterproofing agent), FLW-99 silane waterproofing agent, First Brush of Hope (transparent acrylic plastic waterproof), FL-11 Acrylic Sealants, water plugging Series: plugging Po, injection of slurry (oily, water-based), soft green paint Series: Color acrylic waterproof coating (951,858, Overlay-type), JS composite waterproof coating ( type,ò-type) and so on.

本公司生产的飞隆王牌系列防水材料有渗透结晶型系列Ⅰ型、Ⅱ型、速凝型、活性母料，外墙防水堵漏系列：万可涂（FL-8有机硅浓缩液）、水不沾、FLW-99硅烷防水剂、一刷灵、FL-11丙烯酸密封膏，带水堵漏系列：堵漏宝、注浆液，绿色柔性涂料系列：彩色丙烯酸防水涂料（951、858、罩面型）、JS复合防水涂料等。

A very mild and extremely efficient hydrolysis method for transformation of polystyrene-b-poly (tert-butyl acrylate) to polystyrene-b-poly was designed and carried out using more convenient and inexpensive chlorotrimethylsilane/sodium iodide as reagents.

在温和的条件下使用廉价方便的三甲基硅氯烷/碘化钠作试剂，在乙腈溶剂中，50℃下使聚苯乙烯-嵌-聚丙烯酸特丁酯高效的水解。用透射电镜和动态光散射对嵌段共聚物聚苯乙烯-b-聚丙烯酸在水介质中的胶束化进行了研究。

Three methods are used to prepare molecular imprinted polymers,which include conventional bulk technique or polymerization with ultraviolet initiated in low temperature and polymerization with silica-gel as sacrificial materials. In the polymerization procedure , Sulfamethazine(SM2)and Sulfisoxazole were used as target template molecules, methacrylic acid and 4-vinylpyridine(4-VP) and acrylamide were selected as functional monomers, ethylene glycol dimethacrylate as crosslinker, azobisisobutyronitrile was used as initator.

主要工作如下：首先，以磺胺异噁唑和磺胺二甲嘧啶为模板，分别以4-乙烯基吡啶，甲基丙烯酸，丙烯酰胺为功能单体，以二甲基丙烯酸乙二醇酯为交联剂，偶氮二异丁腈为引发剂，采用了传统方法(60℃恒温水浴)、牺牲硅胶法及低温紫外光聚合法等三种方法合成了一系列的磺胺类药物印迹聚合物。

The effect of dripping rate of mixed agent, stir speed, feeding pattern, surface-active agent on the preparation SiO_(2) sol were investigated.

对丙烯酸树脂和纳米复合涂饰剂聚合物膜的吸水率、耐溶剂性等进行了测定。用透射电镜分别观察了丙烯酸树脂乳液和纳米复合树脂乳液的微观结构。

A photosensitive prepolymer was prepared by the reaction of tetrahydrocannabinol phthalate glycidyl and acrylic acid, and optimized the reaction conditions. The structure of the resin was characterized by FT-IR.

以四氢邻苯二甲酸二缩水甘油酯与丙烯酸反应制备缩水甘油丙烯酸酯，优化了合成反应的条件，并用红外光谱对产物结构进行了表征。

This result agrees well with the literature values of 23.5 and 22.0 kcal/mol obtained for the solution polymerization of partially neutralized acrylic acid (pH = 11) and undissociated acrylic acid(pH = 1), respectively.

这一结果也同意与文学价值的23.5和22.0千卡/摩尔获得的溶液聚合部分抵消丙烯酸（ pH值= 11 ）和undissociated聚丙烯酸（ pH值为1），分别。

The Surface composition of grafted PET fiber was characterized by ATR-FTIR. THE results showed that there were no obvious differences between ungrafted and graft PET fiber in the spectra ,except that the typical peak of-OH in 3100cm~(-1) appeared in both Citric acid treated PET fiber and Acrylic acid treated PET fiber indicated citric acid and acrylic acid had been successfully grafted on the surface of PET fiber.

对样品的接枝效果进行红外光谱表征，发现无论是经过丙烯酸接枝处理，还是柠檬酸接枝处理，处理前后纤维的红外吸收光谱图都没有明显的区别，说明接枝前后纤维的主体性质没变，但是，二者在3100cm~(-1)处都出现了羟基的特征吸收峰，说明柠檬酸和丙烯酸都已经接枝上了PET纤维表面。

Urushiol -based epoxy acrylate was prepared from urushiol, epichlorohydrin and acrylic acid.

以漆酚、环氧氯丙烷、丙烯酸为主要原料，通过两步反应合成了漆酚基环氧丙烯酸酯，其结构经IR表征。

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。