A DFT study of cyanic acid and isocyanic acid in the isomerization;
氰酸和异氰酸异构化反应的量子化学计算研究
The reaction path of isocyanic acid (HNCO) with carbon-hydrogen radicals CH, CH 2 and CH 3 have been investigated by using UMP2 method at 6-311g(d, p) level.
在UMP2 (FULL) / 6 311(d ,p)计算水平上 ,计算并讨论了碳氢自由基 (CHx)和异氰酸 (HNCO)发生氢转移反应位能面上驻点的结构和分子结构变化 ,并依据UMP2的优化构型 ,进一步采用UQCISD(T)方法对反应途径上的驻点进行了单点能量计算 。
The cycloaddition reactions of thioketene and isocyanic acid forming four-membered ring products were studied by means of ab initio RHF/6-31G* method.
采用从头算RHF/6-31G方法研究了硫代双烯酮与异氰酸之间两种可能的环加成反应的机理,并对反应各驻点进行了电子密度拓扑分析研究。
Determination of Toluene Diisocyanate(TDI)Trimer Content in Polyisocyanate Curing Agent by Partial Least Square Method;
偏最小二乘法测定多异氰酸酯固化剂中TDI三聚体的含量
Preparation and properties of tolylene diisocyanate cross-linked cationic acrylate resin;
甲苯二异氰酸酯交联阳离子型丙烯酸酯树脂的制备及性能
The role of styrene in isocyanate functionalization of ethylene-propylene copolymer;
苯乙烯在异氰酸酯官能化二元乙丙橡胶中的作用
Progress in the production of organic isocyanates;
有机异氰酸酯生产技术进展
Production and consumptions of organic isocyanates;
有机异氰酸酯的生产及市场消费状况
Clean synthesis of isocyanates;
异氰酸酯的清洁生产工艺进展
The Factors Influencing the Physical and Mechanical Properties of Rice-shell Particleboard with Diisocyanate;
异氰酸酯胶稻壳板物理力学性能影响因素分析
On the Light Particleboard with Diisocyanate;
异氰酸酯生产轻质刨花板的研究
Transparent polyurethane elastomers were synthesized with different polymer polyols,diisocyanates and 1,4-dihydroxybutane by prepolymer-method.
采用预聚体法以不同的聚合物多元醇、异氰酸酯与1,4-丁二醇合成了透明聚氨酯弹性体,分析了异氰酸酯种类、n(-NCO)/n(-OH)(R值)、聚合物多元醇种类及分子质量、熟化时间和温度等对聚氨酯弹性体透明性、力学性能的影响。
Fundamental Hygroscopic Characteristics of Rice Straw-based Particleboard with Modified MDI Resin;
改性异氰酸酯稻草刨花板的吸湿特性
The research on sticking board of MDI in the wheat-straw particleboard;
在异氰酸酯麦秸刨花板制造中粘板问题的研究
The Influence of MDI on the Making of Wheat-straw Particleboards;
异氰酸酯(MDI)胶在麦秸板制造中的作用研究