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Formation of a Polymer Shell of a Given Thickness on Surfaces of Submicronic Particles
Nanotechnologies in Russia Pub Date : 2021-07-14 , DOI: 10.1134/s263516762102004x
M. P. Danilaev 1 , S. V. Drobyshev 1 , M. A. Klabukov 1 , V. A. Kuklin 1, 2 , D. A. Mironova 2
Affiliation  

A method using a vapor phase approach to formation of a polymer shell on the surfaces of submicron particles (SP) has been investigated. The method is based on the condensation of monomer vapors and their subsequent polymerization on surfaces of charged and dispersed SP. This method makes it possible to vary the thickness of the polymer shell from a few to hundreds of nanometers. This is achieved by choosing the ratio of the flow rates of SP and monomer in two miscible two-phase flows. It is shown that the polymer shell possesses good adhesion to the surfaces of the SP. Apparently, this will make it possible to introduce encapsulated particles, while maintaining the polymer shell, into the polymer matrix of thermoplastics at their softening temperature.



中文翻译:

在亚微米颗粒表面形成给定厚度的聚合物壳

已经研究了使用气相方法在亚微米颗粒 (SP) 表面形成聚合物壳的方法。该方法基于单体蒸气的冷凝以及它们随后在带电和分散的 SP 表面上的聚合。这种方法可以将聚合物壳的厚度从几纳米到几百纳米不等。这是通过选择两种可混溶的两相流中 SP 和单体的流速比来实现的。结果表明,聚合物壳对 SP 表面具有良好的附着力。显然,这将有可能在保持聚合物壳的同时将包封的颗粒引入到处于软化温度的热塑性塑料的聚合物基体中。

更新日期:2021-07-15
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