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酸性聚乙烯基吡咯烷酮-杂多酸杂化催化剂的合成及其催化酯化反应性能（图）
杂多酸 吡咯烷酮 Brö nsted 酸催化剂 酯化反应 非均相催化
2013/10/7
合成并表征了聚乙烯基吡咯烷酮修饰的杂多酸杂化催化剂 PVP-PW, 比较了它与其它催化剂上乙酸和正丁醇的酯化反应性能. 结果表明, PVP-PW 是催化酯化反应的高效多相催化剂, 所得酯收率和选择性分别高达 98.4% 和 100%; 反应结束后, 催化剂通过简单过滤即可分离回收, 重复使用 6 次后, 其催化活性没有明显下降. 通过改变反应底物羧酸和醇, 发现催化剂 PVP-PW 在众多酯化反应...
丙烯腈与N-乙烯基吡咯烷酮在H2O/DMSO混合试剂中共聚反应动力学研究
acrylonitrile N-vinylpyrrolidone copolymerization kinetics
2009/3/19
of copolymerization of acrylonitrile(AN) with N-vinylpyrrolidone(NVP) initiated by azodiisobutyronitrile(AIBN) was investigated in H2O/dimethyl sulphoxide(DMSO) mixture between 50℃ and 70℃ under N2 ...
Experimental data on density and viscosity at 303.15K and 323.15K are presented for the binary mixtures of p-xylene with cyclohexane, n-heptane, n-octane, sulfolane, N-methyl-2-pyrrolidone and acetic ...
以乙烯基吡咯烷酮为功能单体的金属配合印迹聚合物的制备及水相识别
molecularly imprinted polymer metal complex Scatchard plot
2009/2/23
Using nickel(Ⅱ) acetate-2,2′-dipyridyl complex as template and N-vinyl-2-pyrrolidone (NVP) as coor-dinate functional monomer, a new kind of metal-complexing template molecularly imprinted polymer (M...