丙烯酸

The structure and properties of PUA hybrid emulsion were analyzed by FTIR, particle size analyzer, DSC and TG.

研究了软硬段质量比、亲水基团含量、丙烯酸酯单体的加入对PUA乳液性能的影响。

When ThreatFire detectsthat a PUA is attempting to run on your computer, it will immediately halt the process and notify you with the following alert

当Threatfire侦测到一个聚氨酯丙烯酸酯，是企图以运行在您的计算机后，会立即停止该进程，并通知您符合以下警报

Two sorts of polyacrylate derivates were designed and systhesized. One has benzoic acid groups linked to backbone via an alkyl chain of different length, the other has pyridyl groups at its side chain. On the basis of hydrogen-bonding between carboxyl and pyridyl groups, multilayer film was fabricated in mixed solvents. We studied the effect of either the composition of mixed solvents or length of alkyl chain on the structure of a multilayer film.

设计合成了两类聚丙烯酸酯类高分子，一种侧链含有通过不同个数的亚甲基和主链相连的苯甲酸基团，另一种侧链含有吡啶基团，基于羧基和吡啶基之间的氢键相互作用，在混合溶剂中制备了多层膜，并研究了溶剂组成与高分子侧链间隔基长度对多层膜结构的影响。

In the case of clear acrylic polyamic innovativeink, innovativeink, nitrosalicylic innovativeink and pyroligneous resin inks almost all of them can be used as polyurethane adhesive dry compound table printing ink business card printing and membership card and white ink is used in printing ink, as well as all table printing ink ' or color screen printing inks in the inks, while white ink table printing ink business card printing and membership card.

如聚酰胺油不朱、丙烯酸油不朱、硝基油不朱、氯醋树脂油不朱等实在都可以息为聚氨酯胶潮式不简单的外印油不朱制卡和会员卡制息，而白不朱则拔取边印油不朱，也有全部拔取外印油不朱'或者不黑白油不朱用边印油不朱，而白不朱拔取外印油不朱制卡和会员卡制息的。

The magnetic polymer complex microspheres with core-shell structure were synthesized by copolymerizing of pyrrolidone acid and methacrylic on surface of Fe3O4 particles modified by OP, using potassium persulfate as a initiator.

以N-乙烯基吡咯烷酮和甲基丙烯酸为原料，过硫酸钾为引发剂，采用乳液聚合的方法共聚包埋自制的磁流体Fe3O4，制得了Fe3O4/P核壳复合微球。

The preparation process for methacrolein and methyl methacrylate by oxidation method was studied in a fixed-bed reactor and a slurry reactor respectively with raffinate C4 fractions by-product of ethylene plant as raw materials.

以乙烯装置副产的抽余C4馏分为原料，分别在固定床反应器和浆态床反应器上考察了甲基丙烯醛和甲基丙烯酸甲酯的氧化法制备工艺。

The semiconductor nanocrystalline surface is modified by using organic overlay method. As an organic overlay,-methacrylic restrains the reuniter between the grains in the latter process. Furthermore, it can combine with empty bond of atom at grain surface state and eliminate the surface state.

应用有机包覆的方法对纳米颗粒进行了表面修饰，作为包覆剂的α-甲基丙烯酸有效抑制了后处理工艺中纳米颗粒间的团聚现象，在纳米颗粒表面形成帽层，并与粒子表面态的原子悬键进行配位，这对消除表面态是非常有益的。

In order to modify the dense of the hydrophilic groups of the superabsorbents, as well as reutilize wast polymer , a rigid and hydrophobic polystyrene chain have been introduced into the superabsorbent, and novel superabsorbent nanocomposites based on partially neutralized acrylic acid, waste polystyrene foam and sodium type montmorillonite powder have been synthesized. The properties of the superabsorbents, effects of various main factors on water absorbency have been systemically investigated. The structure, surface morphology and thermal stability of the composites were characterized by FTIR, XRD, SEM and thermo gravimetric analysis.

为了改善高吸水性树脂亲水基团的密度，同时以废塑料资源化再利用为目的，将刚性、疏水的聚苯乙烯引入到高吸水性树脂中，成功制备了废旧聚苯乙烯泡沫/丙烯酸/蒙脱土高吸水性树脂，并对所制备的高吸水性树脂的各项性能、吸水倍率的诸影响因素进行了系统讨论研究，同时也通过FTIR、XRD、SEM、热重分析等物理手段来表征复合高吸水性树脂的结构、表面形貌、热力学稳定性等性能。

Two multifunctional agent, glycidyl methacrylate and refined ricinoleic acid , were adopted to modify EPDM in situ during compounding and vulcanization process. The effects of the modifiers on vulcanization behavior, processiability, different properties of the vulcanizates were investigated.

为此，选择了含有极性基团的多官能团小分子改性剂甲基丙烯酸缩水甘油酯和精制蓖麻油酸，在橡胶混炼和硫化过程中对EPDM进行原位改性，研究了原位反应技术对过氧化物硫化EPDM橡胶的反应特性、加工性能、力学性能、热性能、耐老化性能、耐屈挠疲劳性能及与金属的粘合强度等性能的影响，并探讨了其改性的机理。

In order to improve the interfacial adhesion between the matrix and inorganic particles, the SiO2 nanoparticles were modified with polymethyl methacrylate and silicane couplant KH507 respectively, and then the SiO2/PVC composites were prepared via the melt blending method. The microstructure and mechanic properties of SiO2 nanoparticle filled PVC composites were investigated by FT-IR.

利用表面原位接枝聚合在纳米二氧化硅颗粒表面引入聚甲基丙烯酸甲酯高分子链段，用共混法制备了nano-SiO2/PVC复合材料，研究了不同界面特性时SiO2/PVC复合材料的力学性能。

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。