Simple One-Pot Syntheses of Water-Soluble Bis(acyl)phosphane Oxide Photoinitiators and Their Application in Surfactant-Free Emulsion Polymerization
Simple One-Pot Syntheses of Water-Soluble Bis(acyl)phosphane Oxide Photoinitiators and Their Application in Surfactant-Free Emulsion Polymerization
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DOI：
10.1002/marc.201400743
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发表时间：
2015-03-01
影响因子：
4.6
通讯作者：
Gruetzmacher, Hansjoerg
中科院分区：
文献类型：
--
作者：
Mueller, Georgina;Zalibera, Michal;Gruetzmacher, Hansjoerg
用一锅法合成了新的双(甲基甲酰基)膦酸钠盐(BAPO-OH)。它在水中很好地溶解，并且至少在几周内水解性稳定。值得注意的是，它作为苯乙烯的无表面活性剂乳液聚合(SFEP)的引发剂，生成单分散的球形纳米颗粒。时间分辨电子顺磁共振(TR-EPR)和化学诱导电子极化(CIDEP)表明了初步的机械见解。
The sodium salt of the new bis(mesitoyl)phosphinic acid (BAPO-OH) can be prepared in a very efficient one-pot synthesis. It is well soluble in water and hydrolytically stable for at least several weeks. Remarkably, it acts as an initiating agent for the surfactant-free emulsion polymerization (SFEP) of styrene to yield monodisperse, spherical nanoparticles. Time-resolved electron paramagnetic resonance (TR-EPR) and chemically induced electron polarisation (CIDEP) indicate preliminary mechanistic insights.