Design of nonaqueous polymer gels with broad temperature performance: Impact of solvent quality and processing conditions

Randy A. Mrozek; Phillip J. Cole; Shannon M. Cole; John L. Schroeder; Duane A. Schneider; Ronald C. Hedden; Joseph L. Lenhart

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Design of nonaqueous polymer gels with broad temperature performance: Impact of solvent quality and processing conditions

机译：具有宽温度性能的非水聚合物凝胶的设计：溶剂质量和加工条件的影响

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Polymer gels have potential use for a wide variety of applications, primarily due to the ability to tailor the gel properties by varying several material parameters. While substantial attention has focused on water-based hydrogels, the use of these materials is limited due to a narrow operational temperature range. This report describes a nonaqueous polymer gel, composed of a cross-linked polybutadiene network swollen with low volatility polymer plasticizers. Thermal, mechanical, and adhesive characterization illustrated that the gels exhibit performance over an extremely broad temperature range (-60-70 ℃). Solvent quality and loading played a critical role in the operational temperature window with small solvent solubility parameter deviations dramatically reducing the operational temperature range. In addition, the processing conditions had a large impact on the gel mechanical properties. As a result, it is important to consider the influence of processing conditions and solvent quality when tailoring polymer gels for practical applications.

机译：聚合物凝胶具有潜在的广泛用途，主要是由于能够通过改变几种材料参数来调整凝胶特性。尽管大量注意力集中在水基水凝胶上，但由于工作温度范围狭窄，限制了这些材料的使用。该报告描述了一种非水聚合物凝胶，它由具有低挥发性聚合物增塑剂溶胀的交联聚丁二烯网络组成。热，机械和粘合特性表明，该凝胶在非常宽的温度范围（-60-70℃）下表现出性能。溶剂质量和填充量在操作温度范围内起着至关重要的作用，较小的溶剂溶解度参数偏差会大大减小操作温度范围。另外，加工条件对凝胶的机械性能有很大的影响。因此，在为实际应用定制聚合物凝胶时，必须考虑加工条件和溶剂质量的影响。

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《Journal of Materials Research》 |2010年第6期|1105-1117|共13页
作者
Randy A. Mrozek; Phillip J. Cole; Shannon M. Cole; John L. Schroeder; Duane A. Schneider; Ronald C. Hedden; Joseph L. Lenhart;
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U.S. Army Research Laboratory, Aberdeen Proving Ground, Aberdeen, Maryland 21005 Sandia National Laboratories, Albuquerque, New Mexico 87185;

rnSandia National Laboratories, Albuquerque, New Mexico 87185 Northrop Grumman A&AS,Arlington, Virginia 22209;

rnSandia National Laboratories, Albuquerque, New Mexico 87185;

rnSandia National Laboratories, Albuquerque, New Mexico 87185;

rnSandia National Laboratories, Albuquerque, New Mexico 87185;

rnTexas Tech University, Department of Chemical Engineering, Lubbock, Texas 79409;

rnU.S. Army Research Laboratory, Aberdeen Proving Ground, Aberdeen, Maryland 21005 Sandia National Laboratories, Albuquerque, New Mexico 87185;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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正文语种 eng
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Design of nonaqueous polymer gels with broad temperature performance: Impact of solvent quality and processing conditions

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