The sizes of dispersing of the suspension polymerization PS were studied by changing the concentration of dispersant and the viscosity of dispersed phase. 研究了悬浮法聚苯乙烯粒度分布的两种调节方法:改变分散剂用量和改变反应初期分散相粘度。
The spherical ligninbased cation exchange resin was prepared with calcium lignosulphonate as raw material in a cheap and non-toxic dispersing medium by reversed phase suspension polymerization. 以木素磺酸钙为原料,在一种价廉无毒的分散介质中通过反相悬浮聚合制备了球形木素基正离子交换树脂。
Dispersing behavior of poly ( octene-1-ethylene)( POE) in polypropylene ( PP) matrix were investigated in mixer with on-line analysis by phase contrast microscope. 采用密炼机在线取样,相差显微镜拍照研究乙烯-1-辛烯共聚物(POE)在聚丙烯(PP)中的相分散行为。
Dispersing Behavior of PP/ POE Blends Analyzed by Phase Contrast Microscope 相差显微镜研究PP/POE共混体系的相分散行为
The effect of the content of nano particle and micro particle on mechanical properties of various level dispersing phase reinforced ceramic composites was investigated. 研究了不同层次微观复合陶瓷的力学性能随纳米和微米颗粒含量变化的影响。
In the research of W/ O petroleum ether emulsion system, the swelling and leakage of emulsion liquid membrane were studied, which was made by dispersing the emulsion into external phase twice. 对于W/O型乳状液体系,考察了石油醚乳状液的制备时各参数与稳定性能关系,研究了其二次分散能力,即形成W/O/W型液膜时的溶胀与泄漏情况。
The order of the mean particle size was freeze-thawing procedure> film dispersing> reverse phase evaporation> high-pressure homogenization. 粒径大小顺序为冻融法>薄膜分散法>逆相蒸发法>高压乳匀法。
The correlations between dispersing phase mean diameter and water addition rate, emulsified agent and fabrication parameters were given by the experiments as well. 实验也给出了分散相的平均直径与掺水率、添加剂用量和制备参数的关系。
The Effect of Dispersing Phase Mean Diameter of Emulsified Diesel Oil on the Combustion Characteristics of Diesel Engine 乳化柴油分散相的平均直径对柴油机燃烧性能的影响
When the aqueous phase is continuous phase, the dispersed phase mainly behaves as dispersing and behavess as coalescing when the continuous phase was changed into organic phase. 有机相连续时柱内液滴以聚集为主,水相连续时柱内液滴以分散为主。
It has been proved that TPV has exactly the morphology characteristic of which the resin is the continuous phase and crosslinked rubber particles are dispersing phase. 材料的力学性能及加工行为对比,证实了TPV确具有树脂为连续相,交联了的橡胶颗粒为分散相的形态特征。
During pan-milling, SBS molecular chains were ruptured, intrinsic viscosity number decreased and the aberration of dispersing phase of polystyrene increased, domain size occurred. 在碾磨过程中,SBS分子链断裂,特性黏数下降,聚苯乙烯分散相发生畸变,其相区尺寸增加;
CeB 6 has dispersing and boundary reinforcement, and suppresses the other dispersing phase growth at high temperature and hinders the movement of grain boundary and dislocation, thus increasing the heat resistance of alloy. CeB6不仅起到弥散强化和晶界强化作用,而且可抑制其它弥散相的高温生长,阻碍晶界和位错的运动,使合金耐热性提高。
The preparation of high performance epoxy resin by emulsion dispersing phase transfer catalysis 乳液分散相转移催化合成高弹环氧
It was confirmed by observation, measurement and experiment that the dimension and distribution situation of dispersing phase of emulsified diesel oil affected not only the stability and viscosity of emulsified diesel oil but also the combustion results of diesel engine. 通过观察、测量和实验证实了乳化柴油中分散相的尺寸和分布状况,不仅关系到乳化柴油的稳定性和粘度,同时还影响其在柴油中的燃烧效果。
The results showed that the viscosity of the emulsion is a function of volume fraction of dispersing phase and drop size; 结果表明:乳状液的粘度是分散相体积分数和粒径的函数并获得了相应的关联式;
Owing to the inhomogeneity of the dispersing phase and the alloy element concentrating on the crystal boundary, the uneven corrosion occured and the efficiency of aluminum sacrificial anodes was decreased. 由于合金元素富集于晶界及弥散相造成合金组织的不均匀性,直接造成其腐蚀的不均匀,降低铝合金牺牲阳极的效率。
Because the images of phase contrast microscope were corresponding with the images of small angle light scattering very well, the light scattering parameter& particle diameter of dispersing phase a_ ( c2) was introduced to characterize dispersing behavior of ( PP/ POE) system. 由于相差显微镜图样经过傅里叶变换得到的图样与小角光散射图样有很好的对应关系,本文引入光散射试验中的结构参数&分散相平均粒径ac2,以表征PP/POE共混体系的相分散行为。
The high performance modified epoxy resin by furfural acetone was prepared by a novel method, emulsion dispersing phase transfer catalysis, by which the catalyst was dispersed well, the reaction system was difficult to agglomerate and the reaction was under control easily. 采用一种新的方法&乳液分散和相转移催化法合成了糠叉丙酮改性环氧。该方法使催化体系中的催化剂分散效果好,反应液不易结块,反应易于控制。
Studies on the Magnetic Polymer with Nanometer Magnetic Dispersing Phase ⅲ. Studies on Preparation and Properties of Cr xFe 3-x O 4 Nanocrystalline Magnetic Carrier 反应型纳米级磁核聚烯烃类磁性高分子材料的研究Ⅲ.纳米级CrxFe3-xO4磁性载体的制备和性能研究
Alumina-zirconia series ceramics are the more sophisticated zirconia dispersion ceramics, and be also the emphasis of composite research. Tetragonal zirconia particle dispersing on alumina matrix can increase obviously toughness and strength of alumina ceramics through phase change toughening. Al2O3-ZrO2系高性能陶瓷是较成熟的ZrO2弥散陶瓷,也是陶瓷基复合材料研究的重点,弥散于Al2O3陶瓷基体上的四方氧化锆粒子通过相变韧化,可显著提高Al2O3陶瓷的韧性和强度。