Wetting behavior and stability of surface-modified polyurethane materials,Plasma Processes and Polymers

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Wetting behavior and stability of surface-modified polyurethane materials
Plasma Processes and Polymers ( IF 2.9 ) Pub Date : 2021-09-20 , DOI: 10.1002/ppap.202100126
Maria G. Bauer _{1,

2} , Rosa Reithmeir _{1,

2} , Theresa M. Lutz _{1,

2} , Oliver Lieleg _{1,

2}

Affiliation

Even though polyurethanes (PU) constitute a class of highly versatile and customizable polymeric materials, being able to modify their surface properties, for example, their wettability, without altering the composition of the bulk material would often be desirable. However, PU-based materials can be both rather diverse and resilient to chemical modification. Thus, in this study, three PU variants are subjected to three different treatments that aim at altering the wetting properties of the materials: We assess the feasibility of plasma treatment, dopamine incubation, and chemical etching, and evaluate the stability of the obtained surface modifications with regard to wet and dry storage, UV exposure, and application-specific properties such as lubricity and colonization with eukaryotic cells. The results obtained here can be used to achieve an additional customization of PU surfaces to tailor their behavior for selected applications where dedicated surface properties are required.

中文翻译：

表面改性聚氨酯材料的润湿行为及稳定性

尽管聚氨酯 (PU) 是一类高度通用且可定制的聚合物材料，但通常希望能够在不改变本体材料组成的情况下改变其表面特性，例如润湿性。然而，基于 PU 的材料既可以相当多样化，又可以适应化学改性。因此，在本研究中，三种 PU 变体经过三种不同的处理，旨在改变材料的润湿性能：我们评估等离子体处理、多巴胺孵育和化学蚀刻的可行性，并评估获得的表面改性的稳定性关于干湿储存、紫外线照射和特定应用的特性，例如润滑性和真核细胞的定植。

更新日期：2021-11-04

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