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Homogeneous Polymer Salt Composites

Homogeneous Polymer Salt Composites
均质聚合物盐复合材料
批准号:
8722245
负责人:
Johannes Smid
金额:
$27.16万
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1988
资助国家:
美国
项目状态:
已结题
起止时间:
1988-04-01 至 1992-08-31

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中文摘要
翻译
本研究的目的是合成和研究均相离子导电聚合物-电解质络合物以及聚合物与重金属、放射性不透光盐的复合材料。该项目集中于两个广泛的目标:1)聚硅氧烷和其他具有低聚氧乙烯侧链的聚合物的梳状均聚物和嵌段共聚物的合成、形成机理和表征,包括其中导电盐的阴离子与聚合物共价键合的聚合物,2)均相聚合物-盐络合物或混合物的合成,其中盐被添加到其中以实现离子传导或赋予聚合物辐射不透明度。这些聚合物-盐复合材料的性能将通过各种技术进行研究,包括FTIR、核磁共振、小角X射线散射、电子显微镜、差示扫描量热、电导率和放射学。这些研究旨在阐明聚合物-盐复合材料的离子导电性或辐射不透明度与其形态之间的关系,评估盐对机械性能的影响,并确定离子间和离子-聚合物相互作用如何影响聚合物-盐的相容性。无溶剂聚合物电解液复合体在可充电固态碱电池中作为柔性塑料电解液具有潜在的应用价值。将重金属盐溶解或固定在聚合物基质上的树脂在开发X射线对比剂或不透射线材料方面具有重要意义,这些材料适用于牙科树脂、医疗植入物或塑料枪支等需要快速成像的应用。
英文摘要
This research has as its aim the synthesization and study of the solid-state properties of homogeneous ion-conducting polymer- electrolyte complexes as well as composites of polymers with heavy metal, radiopacifying salts. The project focuses on two broad objectives: 1) the synthesis, mechanism of formation, and characterization of comb-like homopolymers and block copolymers of polysiloxanes and other polymer with oligo-oxyethlene side chains, including those in which the anion of the conducting salt is covalently bound to the polymer, and 2) the synthesis of homogeneous polymer-salt complexes or mixtures in which the salt is added either to effectuate ion-conduction or to impart radiopacity to the polymer. The properties of these polymer- salt composites will be studied by a variety of techniques including FTIR, NMR, small-angle X-ray scattering, electron microscopy, differential scanning calorimetry, conductivity, and radiology. The investigations are designed to clarify relationships between the ionic conductivity or radiopacity of the polymer-salt composites and their morphology, to evaluate salt effects on mechanical properties and to determine how polymer-salt compatibility is affected by interionic and ion- polymers interactions. The solvent-free polymer electrolyte complexes are potentially useful as flexible, plastic electrolytes in rechargeable solid- state alkali batteries. Resins in which heavy-metal salts are solubilized or immobilized on the polymer matrix are of importance in the development of X-ray contrast or radiopaque materials useful in applications such as dental resins, medical implants, or plastic fireweapons where rapid imaging is important.
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会议论文
US-Bulgaria Cooperative Research on Associative Star Polymerd of Poly(ethlene oxide)
U.S.-Bulgaria Polymer Research on Properties of Hydrogels with Hydrophobic Cross-Link
Fundamental Studies of Ion Chelating Linear and Network Polymers (Materials Research)
Macroheterocyclic and Acyclic Ligands Anchored to Linear AndNetwork Polymers: Solute Binding and Catalysis (Materials Research)
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