Second, inorganic-organic nononetwork particles have been prepared with silylated MCM-48 through post-polymerization composite path and a pre-polymerization composite path.
其次，利用硅甲基接枝改性MCM-48与聚乙酸乙烯酯通过聚合前和聚合后复合途径制备了无机-有机纳米网络粒子。
The effects of reaction conditions were studied, including the kind of solvent, polymerization temperature, the concentration of template and initiator, rotational speed and pre-polymerization time.
考察了聚合反应条件，如溶剂种类、聚合温度、模板浓度、引发剂用量、转速、预聚合时间等对分子印迹聚合物微球特性的影响。
Besides increasing the catalyst activity, the pre-polymerization can not only raise the bulk density and isotacticity of the PP product, but also significantly diminish the cracking of the PP powders.
预聚除能够提高催化剂的活性外，对提高聚丙烯粉料的表观密度和等规指数、减少聚丙烯颗粒的破碎有显著影响。
A type of acrylic emulsion adhesive was prepared by pre-emulsion and half-continued polymerization.
通过采用预乳化和半连续法乳液聚合工艺，合成了一种水乳型丙烯酸酯复合胶。
Microcapsules for electrophoretic display were prepared by in situ polymerization of urea and formaldehyde without pre-treatment.
用一步原位聚合法制备了电泳显示微胶囊。
The catalytic activity of several common reagents in polyurethane pre - polymerization is analyzed.
分析了几种常见的试剂在聚氨酯预聚反应中的催化活性。
When the pre-adding fraction of monomer was less than 30%, the polymerization could be carried out stably and a final micro-latex with 65% transparency was obtained.
单体两段滴加法中，当预加单体量小于30%时，聚合过程稳定，氨化剪切后超微胶乳透光率约65%；
When the pre-adding fraction of monomer was less than 30%, the polymerization could be carried out stably and a final micro-latex with 65% transparency was obtained.
单体两段滴加法中，当预加单体量小于30%时，聚合过程稳定，氨化剪切后超微胶乳透光率约65%；
应用推荐