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- The results showed that density and hardness of NR foams decreased with increasing amount of blowing agent H. 结果表明,随着发泡剂H用量的增加,NR发泡材料的密度与硬度均降低;
- H blowing agent（blowing agent h,DPT,DNPT） is mainly used for rubber products and PVC plastic products as the vesicant. 发泡剂H广泛应用于橡胶发泡，例如：天然胶、丁苯胶、丁腈橡胶,不变色，无污染。
- The decomposition temperature(T d),gas evolution and decomposition rate of blowing agents,especial blowing agent H(dinitrosopentamethylenetetramine) in EPDM compounds were investigated. 选用EPDM作橡胶介质,重点测试了发泡剂H在EPDM胶料中的分解温度、发气量及分解速度等参数。
- blowing agent H 发泡剂H
- The influences of chemical blowing agent AC and cross - link agent DCP on LDPE/ EPDM foam forming technology were discussed in detail. 重点讨论了发泡剂AC、交联剂DCP对低密度聚乙烯/三元乙丙橡胶(LDPE/EPDM)发泡工艺的影响。
- Azodicarbonamide blowing agent is improved by the adding of dicyandiamide, zinc oxide and zinc peroxide. 通过添加双氰胺、氧化锌、过氧化锌等化学品，对偶氮二甲酰胺发泡剂进行改性。
- Besides polyether blend, the cooperativity of polymeric MDI and blowing agent is a key factor to PURF's manufacture. 除组合聚醚的因素外，发泡剂与聚合MDI的配伍性和反应的协同性是影响硬质聚氨酯泡沫塑料制造的重要因素。
- In this paper, the recent research developments of blowing agent applied for foamed aluminum are investigated. 综述了国内外发泡剂的种类和特点以及在泡沫铝中应用的最新研究进展。
- The foamed PVC/wood-flour composite(WPC) was prepared from PVC and rice husk powder with blowing agent. 采用PVC树脂和木粉加入发泡剂制得PVC/木粉发泡复合材料。
- Two components of the polyether polyurethane systems with water as blowing agent are prepared. 制得了以水作发泡剂的聚醚型聚氨酯鞋底原液。
- Blowing agent of F11can be substituted by pentane,which is no harm to the environment. 发泡剂F11可用符合环保要求的戊烷完全替代；
- When the content of glass fiber,blowing agent and water-gypsum ratio are separately 3%,0.4% and 0.7,the performace of the mate-rial reaches optimum. 当玻璃纤维含量为3%25、发泡剂含量为0.;4%25、水灰比为0
- A blowing agent, such as the polyester polyol used in this experiment, forms gas bubbles in the reaction as it polymerizes. 一个吹的代理, 譬如聚酯多羟基化合物被使用在这个实验, 形成气泡在反应当它聚合。
- The main materials to such as isocyanate, polyol, blowing agent and foam stabilizer et al, prepare rigid polyurethane foam are introduced. 摘要介绍了合成硬质聚氨酯泡沫塑料的主要原料，包括主体成分和发泡剂、泡沫稳定剂等；
- This paper studied the influence of blowing agent dosage on the main reactant of PUF, and the chemorheology in reaction process. 研究了发泡剂用量对聚氨酯泡沫主反应原料粘度的影响,以及反应过程中的化学流变性能。
- The selection of blowing agent and the method of modifying fire retardance of rigid polyurethane foams were briefly introduced. 简要介绍硬质聚氨酯泡沫塑料的发泡剂选择和改进阻燃性的方法。
- In addition to the blowing agent, we will also keep a package bubbles, Filmer foaming stability, that is, an adhesive coating. 不兴发泡剂边，还给笼罩气泡、保留发泡安定的成膜剂，即涂料粘合剂。
- A foamed plastics product with fine cells was prepared from TPE,LDPE and EVA resins by means of chemical crosslinking,with DCP as crosslinking agent and AC as blowing agent. 以过氧化二异丙苯(DCP)为交联剂、偶氮二甲酰胺(AC)为发泡剂,采用化学交联法,使热塑性弹性体(TPE)、低密度聚乙烯(LDPE)、乙烯醋酸乙烯共聚物(EVA)树脂形成泡孔均匀的发泡产品。
- As a structural material, however, it lacks certain strength and traditional fluoride-based blowing agent will destroy ozonosphere, which restrains its further application. 但是作为结构材料，还缺乏一定的强度，并且传统发泡剂氟化物会破坏臭氧层，这些限制了硬质聚氨酯泡沫塑料的应用。
- The history and present situation of the improvement for ADC blowing agent (azodicarbonamide)is summarized, and its development tendency in detail is discussed. 系统地概述了近几十年来国内外对发泡剂ADC进行改性的研究状况,并探讨了未来发泡剂ADC改性研究的发展趋势。
