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- A process of purifying polyether polyols with high activity and low unsaturated degree was studied. 对高活性低不饱和度聚醚多元醇的精制进行了研究。
- Polyether-type isocyanate prepolymers are prepared with polyether polyols and tolylene diisocyanate. 采用聚醚多元醇和甲苯二异氰酸酯合成了聚醚型异氰酸酯预聚体。
- It was found that polyether polyols,as a new type of polyol could be used in polyurethane paint. 结果表明,该聚醚多元醇可作为一种新型多元醇应用于聚氨酯涂料中。
- A summary of the research of low monol polyether polyols polyurethane sealant is given. 总结了低单聚醚聚氨酯密封剂的研制。
- Experimental results show that properties of PU foams made of polyether polyols and polyisocyanate(PAPI) with six functional groups are the best. 结果表明:以六官能团的聚醚多元醇和有机多异氰酸酯(PAPI)制得的PU结构泡沫力学性能最优;
- A polyether premix for rigid polyurethane foam was prepared from self made polyether polyol,isopentane,water,etc. 以异戊烷和水为发泡剂,采用自制的聚醚多元醇,研制一种聚氨酯硬泡聚醚组合料。
- The preparation process of DMC, the way to improve the catalyst's activity, and DMC used in Polyether Polyols Preparation were narrated. 着重叙述了双金属络合物催化剂(DMC)的制备过程、提高催化剂活性的方法,以及DMC催化剂在聚醚生产中的应用。
- Polyether polyols with high mlecular weigh, marrow molecular distribution and low monolwere prepared by using a double metal cyanide catalyst. 使用双金属氰化物络合催化剂,制备了分子量高、分子量分布窄、不饱和度低的低单官能度聚醚多元醇。
- It is the object of the paper to provide a practical all-water-blown system by discussing the effect of polyether polyols on flowability. 本文通过研究不同聚醚多元醇对流动性的影响,试图得出可用于生产实际的水发泡体系。
- The manufacturing process and the reaction mechanism of polyether polyol are resumed. 概述了聚醚多元醇的生产过程及反应机理。
- It was summarized the product and development of polyether polyol,especially some changes of market in recent years. 对聚醚多元醇的生产发展,尤其是国内近年来的市场变化进行了综述。
- These polyoxyethylene g1ycols couldbe converted to cationic or zwitterionic polyether polyols,which can be used as raw... 该类聚醚经转化能得到各种阳离子型或双离子型功能型聚醚,可作为合成软段含离子基因的聚氨酯离聚物的原料。
- The mechanical properties and compression stress of microcellular urethane elastomers based on polyether polyols,diisocyanate and diamine are studied. 研究了以聚醚多元醇、二异氰酸酯、醇胺交联剂和水制备微孔聚氨酯弹性体的力学性能和压缩负荷性能。
- The effects of functionality and molecular weight of polyether polyols on the properties of one component polyurethane foam sealant were studied. 研究了聚醚多元醇的官能度及相对分子质量对单组分聚氨酯泡沫填缝(密封)胶性能的影响。
- The future trend of polyether polyol was analysed and some suggesfions were put forward. 分析了聚醚多元醇未来可能的发展动向,并提出了建议。
- High resilience polyurethane slabstock foam based on self-produced polyether polyol was prepared. 以自产聚醚多元醇为主要原料,试制成高回弹块状聚氨酯软泡。
- The title polyether polyisocyanate prepolymer with excellent performance has been developed based on polyether polyols and TDI. 用聚醚多元醇和甲苯二异氰酸酯合成了性能优良的聚醚型异氰酸酯预聚体。
- While most of the mass-to-charge ratio differs in 58 u, it can be concluded that the repeat unit of the polyether polyols is propylene oxide. 从各主要分子离子峰之间质荷比差值都是58,推断该聚醚多元醇以环氧丙烷为单体。
- The capacity and demand of polyether polyols were reviwed abroad and at home, and the technical progress was introduced simply. 总结了国内外聚醚多元醇的生产能力及需求状况,并简要地介绍了聚醚多元醇工业的技术进展。
- A high solid elastic polyurethane prepolymer has been prepared based on MDI, PAPI, HDI, IPDI and polyester polyols and polyether polyols. 采用MDI、PAPI、HDI、IPDI等不同的异氰酸酯和聚酯多元醇、聚醚多元醇等反应,制备高固体分的聚氨酯弹性体预聚物。