The Development of Initiating Agent of NaY Zeolite and Its Characterization Methods NaY沸石导向剂及其表征手段的研究进展
The outcome has indicated that the initiating agent not only can improve the product performance, but also increase conversion per pass of the plant, it has a high economic and social benefit. 结果表明,该引发剂的应用不但改善了产品的各项性能指标,而且提高了装置的单程转化率,具有较好的效益。
Commercial production of GPPS-200D on Daqing Petrochemical Complex PS plant with TRIGONOX-141 initiating agent is presented. 介绍了大庆石油化工总厂化工厂PS装置应用TRIGONOX-141引发剂工业化生产GPPS-200D产品的情况。
Effects of monomer concentration, dosage of initiating agent, reaction temperature and reaction time on relative molecular mass of the synthetic nonionic polyacrylamide were analysed. 探讨了单体质量分数、引发剂用量、反应时间、反应温度等对聚合物相对分子质量的影响;
Seeing that water shutoff agents of polyacrylamide-chromium gel type used at home have many shortcomings, such as short pumpable time and usable life, it has been suggested to substitute thiourea dioxide for sodium thiosulfate in the formula of chromium gel system as a reducing and initiating agent. 针对目前国内使用的油井堵水剂聚丙烯酰胺铬凝胶存在可泵入时间短、堵剂用量小及有效期短等缺点,提出用二氧化硫脲代替铬凝胶配方中的硫代硫酸钠作为还原引发剂。
Three methods for preparing reactive compatibilizers were studied. These compatibilizers are PP-g-GMA, LLDPE-g-GMA and SEBS-g-MAH. The effect of initiating agent, active monomer content and reacting time et. 研究了三种反应型聚合物的制备方法,它们是PP-g-GMA,LLDPE-g-GMA,SEBS-g-MAH,探讨引发剂、活化单体浓度,反应停留时间等影响因素对它们接枝率和物理性能的影响。
Characteristics and Application of Initiating Agent for Polyvinyl chloride 聚氯乙烯引发剂的特性和应用
With K2S2O8/ Na2SO3 as initiating agent, the hydrophobic association polyacrylamide derivates were synthesized by copolymerization of acrylamide, cation monomer and substituted ethylene monomer with dispersion polymerization and got nanoparticles ( diameter 60-80nm). 在过硫酸钾/亚硫酸钠(K2S2O8/Na2SO3)催化作用下,利用分散聚合的方法,合成丙烯酰胺、阳离子单体与取代乙烯基单体共聚疏水缔合衍生物,产物粒子均匀,直径60~80nm。
Method to synthesizing binary copolymer scale inhibitor XD-1 from acrylic acid ( AA) and sodium allyl sulphonate ( SAS) as monomers using ammonium persulfate as initiating agent, water as solvent was given. 介绍了以丙烯酸(AA)和烯丙基磺酸钠(AS)为单体,过硫酸铵为引发剂,水为溶剂合成二元共聚物防垢剂XD-1的方法。
Analysis of Polyol Initiating Agent in Polyethers by Gas Chromatography 气相色谱法分析多元醇聚醚起始剂
The effects of monomer mass ratio, quantity of initiating agent in the process of polymerization, exclusive use of bipolymer and compound use of bipolymer on the solidifying point reduction have been studied for 0# diesel oil in No. 考察了在聚合过程中单体配比、引发剂用量以及共聚物单独使用时和复配使用对抚顺石油二厂0柴油的降凝效果。
Interferometric visualization and image processing of explosive flow field and combustion field of initiating agent 起爆药爆轰场和燃烧场的干涉法显示及其图像处理
Application of initiating system of short tight face blasting effectively gets maximum initiating agent under control, thus, has the influence of mining glauberite on ecologic environment under control. 多段微差挤压爆破起爆系统的研究应用,有效控制了同段起爆最大药量,使钙芒硝矿地下开采大爆破引起地面生态环境的影响得到控制。
The effects of feeding ways, temperature, emulsifying agent and initiating agent dosage on PU/ PA composite emulsion polymerization were discussed. 讨论了加料方式、温度和引发剂用量对PU/PA复合乳液聚合的影响;
When the resinic demulsifiers is are synthesized using solvent polymerization, it is found that the dosages of butyl acrylate ( BA), methacrylic acid ( MAA) and initiating agent ( AIBN) in demulsifiers all exist optimum values; 评价溶液聚合方法合成的树脂型破乳剂的破乳效果,得出破乳剂组分中丙烯酸丁酯(BA)、甲基丙烯酸(MAA)和引发剂(AIBN)用量都存在最佳值;
Adopting emulsion polymerization technology, using acrylic ester, other olefinic monomer and a little amount of crosslinking agent as raw materials, persulfate as initiating agent, we can produce stiffening adhesives which can be used to make fiber-woven cloth for shutter curtains and wall cloth. 本研制主要介绍利用丙烯酸酯类和其它烯型单体及少量交联剂,以过硫酸盐为引发剂,通过乳液聚合工艺,制取百叶窗帘纤维编织布和贴墙布处理用的硬挺粘合剂及其应用方法。
Reactive agents polymerize at the presence of oxidation-reduction initiating agent of potassium persulfate-sodium sulfite in aqueous solution, and a kind of matter that is oil displacement agent of molecular deposition films is obtained. 通过氧化还原反应使反应药剂在水溶液中通过过硫酸钾-亚硫酸钠引发体系聚合,得到分子沉积膜驱油剂。
The experiment will confirm the quality rate of MA and amylum, the capability of cross-linking agent, the concentration of initiating agent and the effect of bentonite on high hydroscopicity resin. 通过实验确定MA与淀粉的质量比、交联剂的性能、引发剂的浓度以及膨润土对高吸水性树脂吸水性能的影响。
This paper discusses the effects of acrylic ester emulsion polymer on dye printing, and makes an inquire into the process conditions such as monomers, emulsifying agent, initiating agent, reaction temperature and polymerization. 研究丙烯酸酯乳液聚合体对印花性能的影响,探讨单体组成、乳化剂、引发剂、反应温度和聚合方式等工艺条件。
The vinyl acetic ester, 2-ethylhexyl acrylate and acrylic acid were used as monomers, and BPO as an initiating agent, extract oil as a solvent, then a nonpoisonous leather adhesive was prepared. 以醋酸乙烯酯,丙烯酸2-乙基己酯、丙烯酸为单体,过氧化苯甲酰为引发剂,抽提油为溶剂,经聚合得到一种无毒的皮革粘合剂。
It has been studied that the effect of component, cross-linking agent PG and DVB and initiating agent BPO on mechanical properties of PU ( based polyether)/ PS IPNs. 研究了组成、交联剂PG和DVB以及引发剂BPO对基于聚醚PU用S互穿网络聚合物材料力学性能的影响。
The results show that the aim is achieved by using multistage series reactions with H 2O 2 to replace initiating agent BPO and water to replace organic solvent in a still. It avoids the environmental pollution caused by the traditional techniques. 结果表明,以H2O2替代过氧化苯甲酰(BPO)引发剂,用水替代有机溶剂,通过一釜多步串联反应,可实现HPMA的清洁生产,彻底消除传统工艺对环境的污染。
Sodium acrylate and acrylamide copolymer absorbent agent are synthesised using organosilicon-dimethyl acrylamide as compounded cross-linking agent, K 2S 2O 8 as initiating agent. 以有机硅&双丙烯酰胺为复合交联剂、K2S2O8为引发剂,采用溶液法合成了丙烯酸钠与丙烯酰胺共聚物吸水剂。
The multi-frames interferograms of transient combustion field produced by laser to ignite initiating agent are recorded by using this method with combination of laser interferometer, and the temperature distribution with time change is calculated quantitatively. 用这种方法与激光干涉仪结合,记录了激光引燃起爆药瞬时燃烧场的多幅干涉图,并进行了定量计算。
When initiating agent and foaming agent were injected together, there showed effectiveness of gas drive, surfactant flood and foam drive. 当引发剂与泡沫剂混合注入时,则兼具气驱、活性液驱与泡沫驱的功效。
After mixing monomer cross-linking agent initiating agent and liquid electrolyte as certain ratio, the mixing electrolyte solution is injected into the battery, then the sealed battery was heated at some temperature for some time to make it polymerize as gel polymer electrolyte. 将单体、交联剂、引发剂和纯液态电解液以一定的组成配成前驱体混合液,之后注入铝塑软包装电池壳体中封口,再以一定的温度和时间加热使之聚合形成凝胶。
Intracellular Ca2+ overload is considered as initiating agent of cell apoptosis. 细胞内钙超载被认为是细胞凋亡的始动因素。
Moderate hypoxia might be the initiating agent that caused the instability of heredity and promote the malignant transformation. 适度缺氧可能是肿瘤细胞发生遗传不稳定,恶性转化甚至转移的始动因素。
Vascular endothelial cell injury is an initiating agent of AS. 血管内皮细胞损伤是AS发生的始动因素。