Coacervate-Based Underwater Adhesives in Physiological Conditions
| Autor: | Francisco J. Cedano-Serrano, Dominique Hourdet, Costantino Creton, Mehdi Vahdati |
|---|---|
| Přispěvatelé: | Sciences et Ingénierie de la Matière Molle (UMR 7615) (SIMM), Ecole Superieure de Physique et de Chimie Industrielles de la Ville de Paris (ESPCI Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut de Chimie du CNRS (INC)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) |
| Rok vydání: | 2020 |
| Předmět: |
Coacervate
Materials science Polymers and Plastics Polymer science Process Chemistry and Technology fungi Organic Chemistry Time Salt Superposition food and beverages 6. Clean water underwater adhesion biomedical adhesives Self-healing hydrogels [PHYS.COND.CM-MS]Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci] sol-gel transition Adhesive [PHYS.COND]Physics [physics]/Condensed Matter [cond-mat] Underwater [PHYS.COND.CM-SCM]Physics [physics]/Condensed Matter [cond-mat]/Soft Condensed Matter [cond-mat.soft] hydrogels coacervates |
| Zdroj: | ACS Applied Polymer Materials ACS Applied Polymer Materials, American Chemical Society, 2020, ⟨10.1021/acsapm.0c00479⟩ |
| ISSN: | 2637-6105 |
| Popis: | International audience; Synthesis of the polyelectrolytes. We followed a simple procedure previously reported by our group for neutral monomers. 1,2 In this method based on free radical polymerization, a chain transfer agent used as a redox co-initiator allows to control the molecular weight. For PMADAP telomer, 1 mmol (~ 17 g) of MADAP was first dissolved in MilliQ water in a 3-necked flask. The flask was then sealed and the solution was bubbled with N2 gas for 1 h before the start of the reaction. 1 mmol of KPS and 2 mmol of AET-HCl were separately dissolved in MilliQ water and bubbled with nitrogen for 1 h. Next, the initiators were injected into the 3-necked flask in a dropwise manner and the reaction was allowed to proceed to overnight. In the end, an excess of NaOH was added into the solution to neutralize the HCl and recover the PMADAP in the basic form. The reaction medium was freeze-dried without further purification. Note that the excess sodium ions will be removed during dialysis after the next step. The dry telomer (1 mmol of MADAP) was dissolved in 120 ml of NMP after 1 h of heating (60 °C) and vigorous stirring. Separately, 20 mmol of AA and 10 mmol of the coupling agent (DCCI) were dissolved in 15 ml of NMP. Note that both AA and DCCI are in large excess to the |
| Databáze: | OpenAIRE |
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