辐射聚合:是利用电离辐射能来引发有机单体(主要是乙烯基单体)的聚合来获取高分子化合物。他可以不需加引发剂,产品更加纯净,这对合成生物医用高分子材料尤为重要;聚合反应可在常温或低温下进行;聚合反应速率与产物分子量可通过剂量、剂量率加以调节;聚合反应可在体系中均匀进行,避免局部过热和不均匀反应。
我们现在所知道的是,这种液态硅化物是在碳氢溶剂的环境下进行紫外辐照,从而使得这种液态硅化物的片段聚合为一个聚硅烷的形态。
We do know that it was developed by emitting ultraviolet rays at CPS in a carbon hydrogen solvent in order to polymerize part of the CPS to make a polysilane.
在较低的微波功率下适当延长辐照时间,聚合物分子量仍然维持在较高的水平,同时可使聚合物产率和单体转化率有所提高。
The resulting polymer's molar mass was still very high and polymer yield and monomer conversion increased a little when prolonging irradiation time to a degree at low power.
将含聚合引发剂的丙烯酸盐单体水溶液涂布到天然纤维布基材上,在微波辐照下聚合,制得高吸水性纤维复合体。
The complex of super water absorbing resin-natural fabric were obtained by microwave radiation polymerization of natural fabric which dip-coated in acrylic acid and its sodium salt aqueous solution.
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