Optorheological Thickening Under the Pulsed Laser Photocrosslinking of a Polymer

Stephen Richard Okoniewski; Danielle Wisniewski; N. Laszlo Frazer; Weiqiang Mu; Andrew Arceo; Pranjali Rathi; J. B. Ketterson

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Optorheological Thickening Under the Pulsed Laser Photocrosslinking of a Polymer

机译：脉冲激光光致交联作用下的光变增稠

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Electro-, magneto-, and other rheological effects can be used to externally control fluid viscosity. However, they are largely reversible and in addition subject to colloidal settling, electrostatic breakdown, or high cost. In the experiments described here the dependence of the viscosity of a polymer solution under pulsed laser photocrosslinking as a function of radiation dose is determined using the Brownian motion of colloidal polystyrene tracers that were optically confined to a one dimensional channel. The system studied was a transparent aqueous solution of poly(ethylene glycol) dimethacrylate together with a 1-hydroxycyclohexyl phenyl ketone photoinitiator. An increase in the viscosity of the solution with the laser fluence was observed. The growth was exponential, stable between pulses, and spanned nearly three orders of magnitude.

机译：电，磁和其他流变效应可用于外部控制流体粘度。但是，它们在很大程度上是可逆的，此外还容易发生胶体沉降，静电击穿或高成本。在这里描述的实验中，使用胶体聚苯乙烯示踪剂的布朗运动来确定聚合物溶液在脉冲激光光致交联下的粘度与辐射剂量的关系，该布朗斯运动被光学地限制在一维通道内。所研究的系统是聚乙二醇二甲基丙烯酸酯与1-羟基环己基苯基酮光引发剂的透明水溶液。观察到溶液的粘度随着激光通量的增加而增加。这种增长是指数的，在脉冲之间是稳定的，并且跨越了近三个数量级。

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《Journal of Applied Polymer Science》 |2014年第17期|共5页
作者
Stephen Richard Okoniewski; Danielle Wisniewski; N. Laszlo Frazer; Weiqiang Mu; Andrew Arceo; Pranjali Rathi; J. B. Ketterson;
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正文语种 eng
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关键词
crosslinking; irradiation; kinetics; viscoelasticity; viscosity;

机译：交联;辐照;动力学;粘弹性;粘度;

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1. Optorheological Thickening Under the Pulsed Laser Photocrosslinking of a Polymer [J] . Stephen Richard Okoniewski, Danielle Wisniewski, N. Laszlo Frazer, Journal of Applied Polymer Science . 2014,第17期

机译：脉冲激光光致交联作用下的光变增稠
2. Pulsed laser deposition vs. matrix assisted pulsed laser evaporation for growth of biodegradable polymer thin films [J] . A.L. MERCADO, C.E. ALLMOND, J.G. HOEKSTRA, Applied Physics. A, Materials Science & Processing . 2005,第3期

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3. Solvent Influence on Propagation Kinetics in Radical Polymerizations Studied by Pulsed Laser Initiated Polymerizations [J] . Beuermann S Macromolecular rapid communications: Publishing the newsletters of the European Polymer Federation . 2009,第13期

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4. Effects of laser wavelength, fluence, and pulse duration on infrared pulsed laser deposition of a conducting polymer [C] . S. L. Johnson, K. Appavoo, H. K. Park, Conference on Photon Processing in Microelectronics and Photonics; 20080121-24; San Jose,CA(US) . 2008

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机译：远（深）紫外高强度激光（准分子）辐射脉冲在聚合物中的孔形成（蚀刻）及其与聚合物深紫外光解中光刻胶的相关性

Optorheological Thickening Under the Pulsed Laser Photocrosslinking of a Polymer

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