当前位置：
X-MOL 学术
›
ACS Appl. Mater. Interfaces
›
论文详情
Our official English website, www.x-mol.net, welcomes your
feedback! (Note: you will need to create a separate account there.)
Strategic Formulation of Graphene Oxide Sheets for Flexible Monoliths and Robust Polymeric Coatings Embedded with Durable Bioinspired Wettability†
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2017-11-21 00:00:00 , DOI: 10.1021/acsami.7b14028 Avijit Das 1 , Jumi Deka 1 , Adil M. Rather 1 , Bibhas K. Bhunia 2 , Partha Pratim Saikia 3 , Biman B. Mandal 2 , Kalyan Raidongia 1 , Uttam Manna 1
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2017-11-21 00:00:00 , DOI: 10.1021/acsami.7b14028 Avijit Das 1 , Jumi Deka 1 , Adil M. Rather 1 , Bibhas K. Bhunia 2 , Partha Pratim Saikia 3 , Biman B. Mandal 2 , Kalyan Raidongia 1 , Uttam Manna 1
Affiliation
|
Artificial bioinspired superhydrophobicity, which is generally developed through appropriate optimization of chemistry and hierarchical topography, is being recognized for its immense prospective applications related to environment and healthcare. Nevertheless, the weak interfacial interactions that are associated with the fabrication of such special interfaces often provide delicate biomimicked wettability, and the embedded antifouling property collapses on exposure to harsh and complex aqueous phases and also after regular physical deformations, including bending, creasing, etc. Eventually, such materials with potential antifouling property became less relevant for practical applications. Here, a facile, catalyst-free, and robust 1,4-conjugate addition reaction has been strategically exploited for appropriate covalent integration of modified graphene oxide to developing polymeric materials with (1) tunable mechanical properties and (2) durable antifouling property, which are capable of performing both in air and under oil. Furthermore, this approach provided a facile basis for (3) engineering a superhydrophobic monolith into arbitrary free-standing shapes and (4) decorating various flexible (metal, synthetic plastic, etc.) and rigid (glass, wood, etc.) substrates with thick and durable three-dimensional superhydrophobic coatings. The synthesized superhydrophobic monoliths and polymeric coatings with controlled mechanical properties are appropriate to withstand different physical insults, including twisting, creasing, and even physical erosion of the material, without compromising the embedded antiwetting property. The materials are also equally resistant to various harsh chemical environments, and the embedded antifouling property remained unperturbed even after continuous exposure to extremes of pH (pH 1 and pH 11), artificial sea water for a minimum of 30 days. These flexible and formable free-standing monoliths and stable polymeric coatings that are extremely water-repellent both in air and under oil, are of utmost importance owing to their suitability in practical circumstances and robust nature.
中文翻译：
柔性单块和坚固的聚合物涂层的氧化石墨烯片的战略配方，并具有持久的生物启发性润湿性†
人工生物启发的超疏水性通常是通过对化学和层次结构进行适当的优化而开发的，因其与环境和医疗保健相关的巨大前瞻性应用而受到认可。然而，与此类特殊界面的制造相关的弱界面相互作用通常会提供精细的仿生润湿性，并且在暴露于苛刻和复杂的水相时以及在常规的物理变形（包括弯曲，折痕等）之后，嵌入式防污性能也会崩溃。最终，这种具有潜在防污性能的材料与实际应用的相关性降低了。在这里，轻便，无催化剂且坚固耐用1，已经对4-共轭加成反应进行了战略性开发，以使改性氧化石墨烯适当地共价结合到具有（1）可调的机械性能和（2）持久的防污性能的聚合物材料中，该聚合物材料能够在空气中和在油中都起作用。此外，此方法为（3）将超疏水整料工程化为任意独立的形状，以及（4）用以下材料装饰各种柔性（金属，合成塑料等）和刚性（玻璃，木材等）基材提供了方便的基础厚而耐用的三维超疏水涂料。合成的超疏水整体材料和具有受控机械性能的聚合物涂料适合承受不同的物理损伤，包括材料的扭曲，折皱甚至物理腐蚀，而不损害嵌入的防湿性能。该材料还具有对各种恶劣化学环境的抗性，即使连续暴露于极端的pH值（pH 1和pH 11），人造海水中至少30天，其嵌入的防污性能也不会受到干扰。这些在空气和油底下都具有极强防水性的可挠曲且可成型的独立式整料和稳定的聚合物涂层，由于其在实际环境中的适用性和坚固性而极为重要。
更新日期：2017-11-22
中文翻译：
柔性单块和坚固的聚合物涂层的氧化石墨烯片的战略配方，并具有持久的生物启发性润湿性†
人工生物启发的超疏水性通常是通过对化学和层次结构进行适当的优化而开发的，因其与环境和医疗保健相关的巨大前瞻性应用而受到认可。然而，与此类特殊界面的制造相关的弱界面相互作用通常会提供精细的仿生润湿性，并且在暴露于苛刻和复杂的水相时以及在常规的物理变形（包括弯曲，折痕等）之后，嵌入式防污性能也会崩溃。最终，这种具有潜在防污性能的材料与实际应用的相关性降低了。在这里，轻便，无催化剂且坚固耐用1，已经对4-共轭加成反应进行了战略性开发，以使改性氧化石墨烯适当地共价结合到具有（1）可调的机械性能和（2）持久的防污性能的聚合物材料中，该聚合物材料能够在空气中和在油中都起作用。此外，此方法为（3）将超疏水整料工程化为任意独立的形状，以及（4）用以下材料装饰各种柔性（金属，合成塑料等）和刚性（玻璃，木材等）基材提供了方便的基础厚而耐用的三维超疏水涂料。合成的超疏水整体材料和具有受控机械性能的聚合物涂料适合承受不同的物理损伤，包括材料的扭曲，折皱甚至物理腐蚀，而不损害嵌入的防湿性能。该材料还具有对各种恶劣化学环境的抗性，即使连续暴露于极端的pH值（pH 1和pH 11），人造海水中至少30天，其嵌入的防污性能也不会受到干扰。这些在空气和油底下都具有极强防水性的可挠曲且可成型的独立式整料和稳定的聚合物涂层，由于其在实际环境中的适用性和坚固性而极为重要。
京公网安备 11010802027423号