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- alkylene polysulfide 烯化多硫
- Presulfur-ization mechanisms using organic polysulfide were discussed. 介绍了有机多硫化物作为硫化剂的预硫化机理;
- Various kinds of RTV silicone adhesives/sealants and CR,PU,polysulfide, IIR based adhesives/sealants and PSA. 各种性能的有机硅、氯丁、聚氨脂、聚硫、丁基橡胶的胶粘剂/密封剂和压敏胶带。
- Main processes,such as Alkylene,AlkyClean,Lurgi and FBA processes were described. 对Aklylene工艺、AlkyClean工艺、Lurgi工艺和FBA工艺等目前世界上的主要烷基化工艺以及国内工艺作了描述。
- The mechanism of the reaction of p-nitrotoluene with sodium polysulfide hasbeen studied with kinetic method. 用动力学方法研究对硝基甲苯与多硫化钠反应的机理。
- Adopted liquid polysulfide prepolymer cured at high temperature for sealing cap at the first time. 首次采用液体聚硫橡胶制成预聚体再高温硫化成型,压制新型聚硫橡胶密封帽制品。
- The recent production status of liquid polysulfide rubber at home and abroad was reviewed. 简述了国内外液态聚硫橡胶的生产现状,提出了端基转化法合成液态聚硫橡胶新工艺。
- O-nitrotoluene and sodium polysulfide were of first order.The ratio equations have been determined. respectively. 结果表明反应均为一级反应，并分别确定了反应的速率方程。
- In this paper, it is reported that gold in the antimony matte is leached in thesodium polysulfide solution. 本文中研究了用多硫化钠作浸出剂浸出锑锍中的金。
- Through reseaches and discussions of the re-action procedures,many evidences were given for the mechanism of PNT with sodium polysulfide. 通过对反应过程研究与讨论，为PNT与多硫化钠反应机理研究提供了证据。
- The kind of three antimoulds including thiazole species, organo-metallic compounds and imidazole species were applied in the research of a polysulfide sealant. 摘要选用了噻唑类、有机金属络合物、咪唑类3种防霉剂应用于聚硫密封剂，考察了聚硫密封剂的防霉效果，并研究了不同防霉剂对密封剂工艺性能和力学性能的影响。
- The artical introduces preparin phenolic resin,polysulfide rbber,and study on sealant of Phenolic resin modifying polysulfide rubber. 本文介绍了酚醛树脂、聚硫密封剂的制备,酚醛树脂改性聚硫橡胶的研究。
- The properties manufacture technology of polysulfide sulphone and polysulfide ketone were descussed,the applications about it are described. 综述了聚硫醚砜，聚硫醚酮的性能，制造工艺，介绍了应用领域。
- In aqueous ethanolic solution of sodium polysulfide and sodium hydroxide, p-nitrotoluene isconverted to p-amino-benzaldehyde. 对硝基甲苯与多硫化钠在乙醇-水溶液中加热,可以生成对氨基苯甲醛,这是目前工业上合成对氨基苯甲醛的最佳途径。
- The condensation of carbamates with aldehydes under the catalyzing of acids affords alkylene dicarbamate or monocarbamate in good yields. 氨基甲酸酯和醛在酸性催化剂存在下进行缩合反应，得到较高产率的亚烷基氨基甲酸酯。
- The imction on arornatic nitro compounds of diffemt substituen groups with so-dium polysulfide was detected by UV and ESR, aspdrivey. 采用紫外光谱及ESR分别测定了不同取代基团的芳香族硝基化合物与多硫化钠溶液的反应。
- The influence of the amount of liquid polysulfide rubber on the adhesion,flexibility and preparation technology of epoxy coatings are studied. 通过选择合适的环氧树脂、填料、溶剂等制备了环氧厚涂层涂料,对比了不同添加量的液态聚硫橡胶对环氧厚涂层的附着力、柔韧性以及工艺的影响。
- Extraction of Au(I) from gold containing polysulfide solution with TBP is studied, and some factors affecting extraction equilibrium were investigated. 研究了磷酸三丁酯(TBP)从多硫化物含金贵液中萃取金的规律,考察了一些影响萃取平衡的因素。
- The results show that polysulfide charge, temperature and time at the temperature during cooking process had an obvious effect on the pulp yield, Kappa number and viscosity. 结果表明,多硫化钠用量、小保温温度以及小保温时间对马尾松纸浆的得率、卡伯值和粘度均有较明显的影响。
- Epoxy resin is the common tackifier for polysulfide sealant.Adding epoxy resin into polysulfide sealant can exert an auxiliary effect on viscosity increasing. 环氧树脂是聚硫密封胶常用的增粘剂,在聚硫密封胶中加入环氧树脂可以起到明显的增粘作用。
