硫化剂

The compression set of nitrile rubber seal components are bad which is vulcanized with systems based on sulfur.

在橡胶密封件硫化体系中，由于硫磺硫化体系压缩永久变形性能比较差，而最常用的过氧化物交联剂过氧化二异丙苯的硫化胶容易产生刺鼻的异味，从而限制了它在高档制品中的用途。

Expansion bed process can be used to sulfurize pyrolysis gasoline two-stage hydrofining catalyst, regenerated wax hydrofining catalyst, prefining catalyst for hydrocraking, and diesel oil hydrofining catalyst.

结果表明：膨胀床器外预硫化工艺，优于CS2器内硫化工艺，对裂解汽油二段加氢精制催化剂、石蜡加氢再生剂、加氢裂化预精制剂和柴油加氢精制剂均具有较好的硫化效果。

Effects of different additives such as sulfurized olefin,mixtures of amine phosphates,ester thiophosphates,N-containing agents and ashless rust-resistant agents on the emulsion stability ,EP/AW properties and rust-resistance of industrial gear oil were studied.

研究了硫化烯烃、磷酸酯胺盐、硫磷酸酯极压抗磨剂，含氮杂环衍生物多功能添加剂和防锈剂等，对工业齿轮油抗乳化性能、极压抗磨性能、防锈性能的影响；以及硫化烯烃、磷酸酯盐极压抗磨剂与含氮杂环衍生物多功能添加剂之间的协和效应。

The results showed that the similar curing rate was obtained by using NS in the tread and carcass ply compounds instead of NOBS,but the scorch time reduce somewhat;the physical properties of vulcanizate and the endurance of finished tire changed little;and the pollution of production environment improved significantly and the material cost reduced,thus the better economic and social benefits were obtained.

试验结果表明，以促进剂NS替代促进剂NOBS，在胶料硫化速度基本接近的情况下，胶料的焦烧时间略有缩短，硫化胶的物理性能和成品轮胎的耐久性能基本一致；不仅可以改善生产环境、减少污染，还能降低材料成本，具有较好的经济效益和社会效益。

The effect of the SDT／S on the properties of NR compound was investigated The results showed that SDT／S plays the advanced role in NR compound,in order to keep the vulcanizate properties level as before may decrease some accerlator;the physical properties of overcured vulcanizate,the adhesion strength of optimum cure or overcured valcanizate between rubber and cord were improved by adding 2 phr of SDT／S to NR compound.

研究了SDT／S对天然胶胶料配方各项性能的影响。结果表明：在配方中使用SDT／S，对天然胶胶料起硫化促进作用，为保持原水平的硫化特性，可以适当减少促进剂的用量；可有效提高胶料过硫化条件下的300%定伸应力、扯断强度、邵氏硬度、撕裂性能、磨耗性能，可有效提高正硫化或过硫化条件下的胶料与帘线间的附着力。

A process for manufacturing a sole for shoes composed of a tread sole made of vulcanised rubber provides, for the vulcanizable rubber, a mixture composed of a vulcanizable nitrile rubber, at least one hydroxyl acrylic resin, at least one hydrocarbon resin, at least one reinforcing filler, and at least one vulcanization accelerator.

一种制造鞋底的方法，该鞋底具有结合到聚氨酯中底的硫化橡胶构成的外底，用于硫化橡胶的混合物包括：可硫化丁腈橡胶；至少一种羟基丙烯酸树脂；至少一种烃类树脂；至少一种增强填料；至少一种硫化促进剂。

Results show that the formation of inaccessible pores occurs in the initial reaction stage mostly; fractal dimensions decrease continuously in the process of sulfating, and the relationship between the fractal dimension and pore distribution meets the Friesen equation.

结果表明：脱硫剂中不可进入孔隙的形成主要出现在硫化反应的开始阶段；随着硫化反应的进行，脱硫剂孔结构的分形维数不断减小，且孔隙分布与分形维数之间满足Friesen关系方程。

The present invention adopts ammonium salt solution as leach, and adopts the liquid-phase oxidation activating agent formed from surfactant sodium ligno-sulfonate or sodium dodecyl sulfonate, liquir phase oxidation catalyst Cu(2+) and sulfur-extracting agent tetrachloroethylene to implement quick leaching process of sulkfide mineral in gas-liquid-solid three-phase reactor, all the sulfurs contained sulfide in mineral powder can be converted into elementary sulfur and sulfuric acid radical, the contained zinc, copper, nickel, cobalt, lead, cadmium and silver can be changed into soluble salt, and fed into leach or remained in the leaching out slag.

本发明涉及的有色金属硫化矿的铵盐液相氧化直接浸出方法，其特征在于：采用铵盐溶液作浸出剂，采用由表面活化剂木质磺酸钠或十二烷基磺酸钠，液相氧化催化剂Cu2+、萃硫剂四氯乙烯组成的液相氧化活化剂，在气液固三相反应器内，实现硫化矿的快速浸出过程，矿粉中各种硫化物所含的硫转变为单质硫和硫酸根，所含的锌、铜、镍、钴、铅、镉、银等变成可溶性盐类进入浸出液中或留在浸出渣中，消除传统流程中二氧化硫，硫化氢，氮氧化物及含砷含汞含铅等有毒烟气的排放。

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The results showed that the dynamic properties,especially the anti-reversion of vulcanizate improved by adding anti-recovery agent PK900 in shoulder pad without any adverse effect on curing behaviour of rubber compound and physical properties of vulcanizate.

结果表明，在胎肩垫胶中加入抗硫化返原剂PK900，可以明显提高胶料的抗硫化返原性能，改善硫化胶的动态性能，对胶料的硫化特性和硫化胶的物理性能无明显影响。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失