硫化反应
- 网络sulfurization
![硫化反应](../cache/1192489.jpg)
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在硫化反应中生成原位SiO2。
Preparing in-situ silica during curing .
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结果表明,在硫化反应前期,硬质SBR胶料中交联结构起主导作用;
The results showed that the crosslink structure in SBR ebonite compound was predominant at the early stage of vulcanization ;
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利用SEM的能谱扫描功能,对钠盐调质脱硫剂硫化反应产物断面元素分布进行了分析。
The distribution of elements at the sulfidation reaction product section of a sodium salt-modified desulfurization agent was analyzed by using the energy-spectrum scanning function of SEM .
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通过元素分析、红外光谱、XPS能谱、XRD分析、DSC/TG分析、扫描电镜等多种现代分析手段表征了复合材料的结构和成分,并研究了单质硫催化聚合物脱氢硫化反应的机理。
The structures and components of the resulted composites were characterized by FTIR , XPS , XRD , SEM , element analysis and DSC / TG .
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在硫化反应中后期,胶料中交联结构减少,极性的硫环分子对橡胶改性起主导作用,从而形成具有塑料性质的硬质SBR;
The crosslink structure reduced , and the modification of rubber by polar sulfur ring was predominant resulting in plastics-like SBR ebonite at the middle and final stages of vulcanization ;
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在总结已有模型的基础上,考虑到CaO孔隙结构参数在反应过程中的变化,提出了CaO硫化反应的特定层数晶粒模型。
New concepts for estimating the sulfation of CaO at high temperatures , namely a subgrain layer model , are presented in this paper . In the model the change of pore structure of CaO during the reaction process has been considered .
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经4h过硫化反应后,TBSI/TMTD体系的300%定伸应力保持约80%,而NS不足60%。
The ability of vulcanization reversion resistance of TBSI / TMTD was better than that of NS . After 4h over cure , their modulus at 300 % elongation was retentive of about 80 % and less than 60 % respectively .
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在O2/CO2气氛中,因较高CO2浓度使石灰石的煅烧分解推迟,一定条件下石灰石直接与SO2发生硫化反应,且过程具有较高的反应速率。
In an O_2 / CO_2 atmosphere , because the relatively high CO_2 concentration retards the calcination decomposition process of limestone , the latter , under certain circumstances , enters the CaCO_3-SO_2 sulfation reaction directly , and in addition . does so with a relatively high rapidity .
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碱木素硫化反应以及木素酚醛树脂固化性能的研究
Sulfuration Reaction of Soda Lignin and Adhesion Properties of Lignin-phenol-formaldehyde Resin
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反应条件和脱硫剂类型对硫化反应影响也很大。
The reaction conditions and sorbent type affect the reaction greatly .
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O2/CO2气氛下石灰石煅烧与硫化反应研究
Calcination and desulfurization of limestone under o_2 / co_2 atmosphere
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动态硫化反应条件下聚合物熔体粘度与本构方程的计算
Calculation of Viscosity and Constitutive Equation of Polymer Melt under Dynamically Vulcanization
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钙基脱硫剂硫化反应产物层扩散机理研究进展
Research Development on the diffusion in Sulfidation Reaction Product Layer of Cabased Sorbents
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硅橡胶硫化反应场的数值模拟
Numerical Simulation of Vulcanization Field of Silicone Rubber
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两种含硫添加剂与金属铁表面硫化反应速度的研究
Study of Velocity of Sulfide Reactions Between Iron Surface and Two Additives Containing Sulfur
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道路沥青的硫化反应
Reaction between sulfur and asphalt for pavement
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讨论了硫化反应活化能与并用胶性能之间的关系。
The relationship between the activation energy of vulcanization and the properties of blend was discussed .
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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;
Results show that the formation of inaccessible pores occurs in the initial reaction stage mostly ;
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其对硫化反应的影响使硫化胶交联密度提高,动态损耗降低。
An effect on vulcanization results in a higher cross-link density and thus a decrease in dynamic loss .
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探讨长方体胶块和轮胎硫化反应热对硫化温度场的影响。
The influence of curing reaction heat on curing temperature field of cubic rubber block and tire was investigated .
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调质脱硫剂硫化反应产物层固态离子扩散机理的研究
An Investigation of the Mechanism of Solid-state Ion Diffusion in the Sulfidation Reaction Product Layer of a Modified Desulfurization Agent
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同时给出了主要配合剂吸水树脂与膨胀率的关系。确定了最佳的硫化反应条件。
Mean while , the relationship between water-absorbent resin and expanding rate was given and the optimum condition for sulphuration was determined .
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经分析可知,MAA-Zn还可以降低硫化反应活化能、提高硫化胶的交联密度和耐热老化性能。
MAA-Zn could also decrease the activation energy of vulcanization , and increase the crosslinking density and the resistance to heat aging of vulcanizate .
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在几种主要的模型中,晶粒模型因其显著的优点更适用描述钙基脱硫剂的硫化反应,并对我国的煤气脱硫的前景进行了预测。
The grain model was suited for describing the complex reaction and the prospect of the technical route of sulfidation in China was discussed in brief .
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为寻找钙基材料最佳固硫反应温度存在的原因,在对其硫化反应过程进行分析的基础上,对贝壳和石灰石的微观结构特性进行了实验研究;
In order to find out the reason why there is a optimal desulphuration temperature of calcium-based materials , the microstructure characteristics of shell and limestone have been studied .
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结果表明:添加助交联剂TAIC发泡试样的硫化交联反应速度V加快,硫化指数CCRI和交联反应活化能E变大;
The result showed : curing reaction rate V of foam materials adding assist crosslinking agent TAIC accelerated , curing rate index CCRI and activation energy E increased .
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HCI-KCIO3法氧化硫化银反应产物之研究
Study on the products from the oxidation of silver sulfide with hcl & kclo_3
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介绍了加氢催化剂预硫化的反应原理,探讨了在预硫化过程中影响催化剂预硫化效果的因素。
It introduced the principal of presulfuration of hydrogenation catalyst and discussed the factors that affected the effect of presulfuration in presulfiding process .
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介绍HCl&KClO3法氧化硫化银反应的检测,以确立该反应方程式的研究工作。
A study on the determination of the products from the oxidation of silver sulfide with HCl-KClO_3 to establish the reaction equation was presented .
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巯基乙酸钠中两个极性基团一COOH及&SH具有同硫化矿强烈反应的特性,是代替氰化钠抑杂的理想药剂。
- COOH and - SH two polar groups in mercaptoacetic sodium acid have properties of strong reaction to sulphide ores . It is the most satisfactory agent for replacing sodium cyanide to suppress impurities .