国产精品视频一区二区三区四,亚洲av美洲av综合av,99国内精品久久久久久久,欧美电影一区二区三区电影

 

文獻名：Surfactantfree synthesis of poly (styrenecoacrylamide) monodisperse nanoparticles using hybrid flowtobatch chemistry

 

 

作者： Marta Antoniv, Sehoon Chang, Nouf Al-Jabri, S. Sherry Zhu

Aramco Services Company: Aramco Research Center–Boston, Cambridge, Massachusetts, USA

 

摘要：We have demonstrated a hybrid flow-to-batch process for synthesizing monodisperse poly(styrene-co-acrylamide) nanoparticles via a surfactant-free emulsion radical polymerization. The flow-to-batch synthesized nanoparticles have a smaller average particle size, tighter particle size distribution, higher molecular weight, and lower molecular weight distribution compared to conventionally batch-synthesized nanoparticles. Our results also indicate that the flow-to-batch synthesized nanoparticles have more hydrophilic acrylamide segments on the particle surface than the batch-synthesized nanoparticles. These results demonstrate that a flow synthesis process can improve the quality of nanoparticles due to the efficient mixing and heat transfer in a flow reactor and simplify the scale up of nanoparticle synthesis in a conventional chemistry lab.

 

關(guān)鍵詞：