胶料

Experimental synchronous rotor internal mixer and two kinds of 55L synchronous rotor internal mixer, consulted a number of published articles at home and abroad, then, for the first time, formed four kinds of physical model and the corresponding mathematical model which related to the mixed stock between the mixing chamber side and the top of the rotor wing, to the mixed stock between the two rotors and to the mixed stock at the various temperatures of the mixing chamber. And from the character of model, the author gave the relevant analytic solutions and finite element approximation arithmetic solutions during the experimental process of the synchronous rotor internal mixer.

因此，本文作者在XM—1.7实验用同步转子密炼机和两种50L同步转子密炼机上进行了大量的实验，并参阅国内外已发表的文献和资料，首次建立了同步转子密炼机混炼过程中，胶料在转子棱峰与密炼室壁之间、胶料在两同步转子之间和密炼室中混炼胶温度变化的四种物理模型及其相应的数学模型，并根据所建模型的特点，分别给出了相应的解析解或有限元数值解。

After testing the compound formulation and determining the characteristic, the special compound for special rubber jump for funnel chest flattering apparatus was prepared based on NR/cis-BR with excellent physical property, elasticity and meeting the performance requirement.

以天然橡胶与顺丁橡胶并用胶为基础材料，通过胶料配方试验及性能测试，制得了具有优良物性、回弹性和符合使用要求的漏斗胸矫治器橡胶泵专用胶料，并确定了生产配方和工艺条件。

The heat generation curves of seven rubber materials used in tires with the changes of temperature have been obtained by using Dynamic Mechanics Analysis technique on NETZSCH DMA242 instrument, knowing that the heat generation of every other rubber materials except inner liner rubber changes lightly alone with the temperature within 10℃～80℃. According to the Fourier law, the heat transfer coefficients of tire rubber are measured by stable method on self-made experiment instrument. The coefficients changes lineally within 20℃～80℃ and the relation formulas λ=λ〓+bt are given out attached with λ〓 and b. The specific heat of tire rubber are measured on Differential Scanning Calorimeter NETZSCH DSC204 and the relations with temperature are linear and the formula is c=c〓+bT, where c〓 and b gained from experiment result data are presented in the paper. The heat convection coefficients on the surface of rolling tire are measured according to the principle of heat-mass transfer analogy principle after simplifying rolling tire into rotating disk with straight movement on wind channel. The relation with rotation speed of disk is linear as h=5. 399+0.0258n and the relation with straight line speed of tire is linear too, h=

论文采用动态力学分析技术，使用NETZSCH DMA 242型实验仪，获得了轮胎用七种胶料的生热率随温度变化曲线，确知除内衬层胶以外，其它各种胶料在一般胎温范围内（10℃～80℃）的生热率随温度变化不大；轮胎胶料的导热系数根据傅立叶定律的基本原理，采用稳态法在自行搭建的实验台上进行测试，结果表明，材料的导热系数在20℃～80℃的温度范围内随温度呈线性变化，论文给出了各种材料导热系数的线性变化的关系式λ=λ〓+bt及其λ〓和b的值；轮胎胶料的比热运用差式扫描量热原理，在NETZSCH DSC204型DSC实验仪上进行测试，结果表明，胶料的比热随温度的变化呈线性变化，其关系可用c=c〓+bT表示，文中给出了根据实验数据拟合的c〓、b的值；对轮胎表面的对流换热系数的测定，本文先将滚动的轮胎简化为有直线运动的旋转圆盘，而后采用萘升华热质比拟技术，在风洞中测量了滚动轮胎表面的对流换热系数，结果表明，圆盘表面对流换热系数与转速呈线性关系，即h=5.399+0.0258n，轮胎表面对流换热系数与其直线运动的速度呈线性关系，即h=

The role of rubber products: rubber of carbon black has a good softening dispersion, increasing the viscosity of rubber so rubberáí, and can enhance anti-cold Coke products, ease of performance, and the other on the thiazole enhancers can play activation, increase with the agent role.

橡胶制品的作用：对炭黑的胶料有很好的软化分散作用，增加胶料的粘性，使胶料柔软光滑，并能提高制品的耐寒防焦缓化性能，另对噻唑促进剂能起活化作用，增加各配合剂的作用。

The results showed that compared to aromatic oil extended ESBR1712,the processability of ESBR1723 was decreased,but the flowability was better,the rolling resistance and compression heat build-up of vulcanizate were lower.

结果表明，与填充高芳烃油的ESBR1712胶料相比，ESBR1723胶料的加工性能稍逊，但流动性较好，硫化胶的滚动阻力较小，压缩生热较低。

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。

The results showed that,when environment-friendly oil KT20 was used in NR and NR/BR compound,the properties of mix,physical properties and wet skid resistance of vulcanizate were similar to those by using the comparison samples;by using environment-friendly oil KT20,the rolling resistance of vulcanizate changed slightly compared with using 3527MES and TADE.

结果表明，在NR和NR/BR胶料中，填充环保油KT20与对比油的混炼胶性能、硫化胶的物理性能和抗湿滑性能相当；填充环保油KT20，3527MES和TDAE硫化胶的滚动阻力相差不大。在NR胶料中填充环保油KT20，硫化胶的耐磨性能优于对比油硫化胶。

This paper introduces four kinds of method for increasing devolatilizing efficiency in cold feeding vented extruder s These methods are:(1)reducing the filled degree of rubber compounds in the vented section of screw;(2)increasing the mean residence time in the vented zone;(3)enhancing the effect of renewing the evaporating surface;and (4)improving the ingredients and operating variable

介绍了 4种提高橡胶冷喂料排气挤出机除气效率的途径：减少胶料在螺杆排气段中的进料度，增加胶料在排气段中的平均停留时间，增强胶料&自由&表面积的更新作用，改进配方设计和操作工艺条件等。

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。

The results indicate that the composite adhesives show different effects on the vulcanization characteristics,mechanical properties and dynamic mechanical properties of NR. The cure rates of the compounds with RS/RH, RE/RH and RH are accelerated and the maximum torques,the tensile strengths,hardness as well as tensile stresses at a given elongation are higher than those of the control. Whereas,the elongations at break are lower than those of the control.

结果表明：RS/RH，RE/RH，RH胶料的硫化速度明显较快，最大转矩和其硫化胶的拉伸强度、硬度及定伸应力都显著地高于对照，几种橡胶拉断伸长率均不同程度地小于对照，添加粘合剂的胶料其橡胶与织物附着强度远远大于对照，其中RE/RH胶料最大

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。