The electroless Ni plating on Fe-based powder metallurgy articles was continuously carried out with pretreatments of pore sealing by immersing in zinc stearate in vacuum and ultrasonic cleaning. 采用真空硬脂酸锌浸渍封孔及超声波清洗前处理,对铁基粉末冶金件连续化学镀镍。
The experimental results indicate that modified NSMH disperses well in flexible PVC, and zinc stearate has a better modification effect than other modifiers. 在不同改性剂中,以硬脂酸锌的改性效果较好;改性纳米氢氧化镁的阻燃性能和机械力学性能要优于微米级氢氧化镁;
Compared with zinc glycin and zinc stearate, zinc nitrilotiracetate achieved a better result in thermal stability. 结果表明,氨三乙酸锌对PVC具有较好的长期热稳定性能,与硬脂酸钙具有较好的协同作用。
For zinc salts having better activity to the reaction, the reaction condition was optimized using zinc acetate, zinc stearate, zinc propionate and zinc trimethylacetate as catalyst. 针对实验中锌盐具有良好的活性,分别优化了以乙酸锌、硬脂酸锌、河北工业大学硕士学位论文一丙酸锌和三甲基乙酸锌为催化剂的反应条件。
Addition of zinc stearate as ionic plasticizer reduced both mechanical properties and conductivity. The effects of leaching time a n d tetrachloroethylene on zinc leaching processes are described. 加入硬脂酸锌会降低复合物的电导率及力学性能。考察了浸出时间、四氯乙烯的加入对锌浸出的影响。
Their effects on heat stability of PVC were tested by way of Congo Red Method and Heating Method. Calcium dimmer acids and zinc dimmer acids were compared with traditional calcium stearate and zinc stearate. 采用刚果红法、热烘法研究了二聚酸钙和二聚酸锌对PVC的热稳定作用,并与传统的硬脂酸钙、硬脂酸锌热稳定剂作了比较。
The effect is strongest in the thiadiazole system when zinc stearate cooperates with epoxidized soybean oil. 噻二唑硫化体系中,硬脂酸锌和环氧大豆油并用的协同作用最强;
The results of surface treatment test of powder rubber and crumb rubber indicate: The zinc stearate in rubber can be removed by soaking in NaOH. 胶粉、胶粒的表面处理试验结果表明:浸泡NaOH能去除橡胶中的硬脂酸锌,改善橡胶和水泥砂浆的粘结状态,提高改性混凝土的微观和宏观性能。
The effect is strongest in the peroxide system when dibasic lead phosphate cooperates with zinc stearate. 过氧化物硫化体系中,二盐基亚磷酸铅和硬脂酸铅并用的协同作用最强;
X-ray diffraction shows the raw material of expanded Fe powder contains mainly Fe_3O_4, FeO and Fe_2O_3, Cu powder contains mainly Cu, Zn and a little Pb and graphite is in high purity and zinc stearate and BaSO_4 in low purity. X射线衍射显示,膨胀铁粉原料中主要含有Fe3O4,还有FeO和Fe2O3,铜粉原料中主要含有Cu和Zn,另有少量Pb,石墨原料纯度较高,硬脂酸锌和BaSO4原料的纯度较低。
The influence of metal soap thermal stabilizers on the dehydrochlorination of flexible PVC was studied in this paper. The stabilizers were mixtures of calcium stearate, zinc stearate and barium stearate with series of different ratios. 本实验通过刚果红法研究金属皂类热稳定剂硬脂酸钙、硬脂脂锌、硬脂酸钡在软质PVC体系中单独使用、两两混合、三者混合使用时的热管理性能以及协同稳定性能。
The composite of zinc stearate and other stearate soap can delay colour change, but its long stability and weather resistance are bad. 硬脂酸锌与其它硬脂酸皂复合,能改善初期着色,但长期稳定性差,耐候性也不好;
Colorants Substituted for Zinc Stearate to Restrain the Initial Coloring of Green House PVC Film 用色素取代硬脂酸锌抑制PVC蔬菜大棚膜初期着色性
The processing conditions for producing LDPE with good anti-blocking property by adding zinc stearate as lubricant were studied. The appearance, physical and mechanical properties of the products were investigated. 研究了用硬脂酸锌(ZnSt)为润滑剂改善LDPE薄膜开口性差的生产技术条件,并对产品的外观、物理力学性能进行了分析研究。
The Study of Direct Synthesis of Zinc Stearate 直接法合成硬脂酸锌的研究
Stearic, 1; Zinc acetate-stearic acyloxy is made of zinc stearate and chloroacetic acid. 硬脂酸,1;以硬脂酸锌和氯乙酸为原料,制备了硬脂酰氧基乙酸锌。
It studies new measure of detecting content of zinc stearate in polystyrene granular by x ray fluorescence spectrometry. 研究了用X射线荧光光谱仪测定聚苯乙烯颗粒中硬脂酸锌含量的新方法。
A New Technology for Synthesis of Calcium and Zinc Stearate by Stearic Acid Saponification 皂化法合成硬脂酸钙、锌新工艺
Under these conditions, free acid content in the sample is 0.43%, zinc content in the sample is 11.24%, and the melting point 124 ℃, which comply with the standard data for high-class zinc stearate. 在此工艺条件下硬脂酸锌产物的游离酸含量、锌含量及熔点分别为0.43%、11.24%和124℃,均达到了优等品标准。
In the paper, process for one-step catalytic synthesis of zinc stearate by reacting stearic acid with zinc oxide, with H2O2 as the catalyst, was investigated. 本研究以硬脂酸和氧化锌为原料,以双氧水作催化剂,在水溶液中一步催化合成硬脂酸锌。
The process and the effect of zinc stearate on the pyrolytic performance of PVC were studied from following aspects. ( 1) Finding preferable technical conditions of the process by single factor experiments and orthogonal tests. 主要从以下几个方面对硬脂酸锌的催化合成及其对PVC热解性能的影响进行了研究:(1)通过单因素实验和正交实验初步确定了硬脂酸锌催化合成的较佳工艺条件。
Zinc stearate is known as one of stabilizing agents for poly vinyl chloride, and it has found wide application. 硬脂酸锌是一种良好的聚氯乙烯(PVC)热稳定剂,应用十分广泛。
The ratio of zinc stearate to calcium stearate has great influence on the thermal stable time. When the ratio is 3: 7, thermal stable time of PVC is longest. 硬脂酸锌与硬脂酸钙配比对PVC热稳定时间具有显著影响;当其配比为3:7时,PVC的热稳定时间最长。
As a dispersant, Zinc stearate promoted the refinement of the powders. 硬脂酸锌作为分散剂,促进了粉体颗粒的细化。