Adhesive Films from Dopamine‐Functionalized Polydimethylsiloxane Polymer Conetworks

Mugemana, Clément; Mertz, Grégory; Grysan, Patrick; Dieden, Reiner; Ruch, David

doi:10.1002/macp.202200456

Cited by 4 publications

(4 citation statements)

References 47 publications

(50 reference statements)

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“…Furthermore, low-molecular-weight PDMS-MA finds extensive application as a lubricant and antifoam agent in microfluidic applications. Its utilization as a comonomer is also well-documented in the scientific literature [12][13][14]. The production of high-molecularweight PDMS-MA is relatively straightforward through a free radical method.…”

Section: Introductionmentioning

confidence: 90%

Exploring Some Kinetic Aspects of the Free Radical Polymerization of PDMS-MA

Victoria-Valenzuela,

Morales-Cepeda

2024

Processes

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This study conducts a theoretical exploration of the free radical polymerization of polydimethylsiloxane homopolymers with a methyl methacrylate end group (PDMS-MA). To achieve this, a methodology is developed to model and simulate experimental data previously reported by one of the authors. The model incorporates a typical chain reaction mechanism, encompassing initiation, propagation, chain transfer, and termination stages. The resulting ordinary differential equations from this mechanistic approach are numerically integrated over time. Employing a semi-heuristic procedure, the study derives estimated values for the diffusive steps of termination (ktd) and propagation (kpd). Methodological accuracy is assessed through a comparison of the mathematical model results and experimental data. This evaluation includes the estimation of conversion and the average molecular weight (both number (Mn) and weight (Mw)) at three distinct monomer concentrations, considering a 4.78% mol initiator-to-monomer ratio. The theoretical results obtained from this study contribute to a better understanding of the evolution of diffusion coefficients. These coefficients play a crucial role in influencing the behavior of the studied reactions, particularly in relation to the absence of the autoacceleration effect in these reactions.

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Section: Introductionmentioning

confidence: 90%

Exploring Some Kinetic Aspects of the Free Radical Polymerization of PDMS-MA

Victoria-Valenzuela,

Morales-Cepeda

2024

Processes

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“…20 For example, adhesive films synthesized via dopamineconjugated polydimethylsiloxane polymer conetworks, the maximum adhesive strength of the polymer films on the glass substrate was 0.85 ± 0.08 MPa. 21 Furthermore, catechol hydrogel as wet tissue adhesive have great potential in a wide variety of biomedical applications, including targeted drug delivery materials, tissue wound repair materials, biological coating materials, antifouling and antimicrobial applications, and bioelectronic equipment materials. 22 Polyaspartamide with a poly (amino acid) structure which is similar to proteins has aroused great interest in biomedical applications due to its water solubility, biocompatibility, biodegradability, and non-antigenicity.…”

Section: Introductionmentioning

confidence: 99%

Enhanced adhesion of novel biomass‐based biomimetic adhesives using polyaspartamide derivative with lignin

Li,

Ren,

Ding

et al. 2024

J of Applied Polymer Sci

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With the decreasing of petrochemical resources and the increasing severity environmental pollution, the development of environmentally friendly adhesive technology using renewable resources has attracted more and more attention. Inspired by mussels, a novel biomimetic adhesive synthesized using polyaspartamide derivative (PolyAspAm(DOPA/OA)) and alkali lignin (AL). The physical/chemical structure and properties were examined by 1H‐NMR, Fourier‐transform infrared spectroscopy, thermo gravimetric analysis, scanning electron microscopy, water absorption, in vitro cytotoxicity, lap shear tensile, and three‐point bending tests. The adhesive capacity was improved significantly when AL added into PolyAspAm(DOPA/OA). The lap shear tensile for four different substrates (metal and plastic) both increased greatly. The underwater adhesion test possessed good underwater adhesion properties. The results confirmed that hydrogen bonds and chain entanglement were formed between PolyAspAm(DOPA/OA) and AL. It was the introduction of catechol groups and physical–chemical interactions between PolyAspAm(DOPA/OA) and AL improved the adhesion strength and water resistance of the adhesive. Moreover, the corn stover non‐wood boards were prepared by one‐step hot pressing using PolyAspAm(DOPA/OA) with AL adhesives. The three‐point bending of corn stover non‐wood boards increased from 5.00 ± 0.03 to 14.85 ± 20.1 MPa. Overall, this work shows that a nontoxic, environmentally friendly PolyAspAm(DOPA/OA) with AL adhesive has extensive application prospects.

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“…As the covalent crosslinks hinder macroscopic demixing of the chain segments of opposite polarity (i.e. macroscopic spinodal phase separation), APCNs possess nanophase-separated morphologies that are often co-continuous over a broad range of compositions, [21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36] thereby allowing for diffusion of dissolved molecules across the material. This makes them semipermeable and suitable for membrane [37][38][39][40][41][42] and drug-delivery applications.…”

Section: Introductionmentioning

confidence: 99%

“…This makes them semipermeable and suitable for membrane [37][38][39][40][41][42] and drug-delivery applications. [43][44][45][46] Moreover, they are transparent, 24,[47][48][49] biocompatible, 46,[50][51][52][53][54][55] and possess good mechanical properties, including elasticity when swollen and when dry, 24,36,53,[56][57][58][59][60][61] lending themselves mechanically superior to other hydrogels.…”

Section: Introductionmentioning

confidence: 99%

Microfluidically produced microcapsules with amphiphilic polymer conetwork shells

Velasquez,

Belluati,

Tervoort

et al. 2023

Preprint

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Microcapsules with aqueous core can be conveniently prepared by water-in-oil-in-water double emulsion microfluidics. However, conventional shell materials are either based on polymers or monomers that are soluble in the oil phase, or based on hydrophobic colloidal particles. As a result, microcapsules derived from double emulsions usually feature a hydrophobic shell that is not semipermeable for water-soluble compounds. While capsules with semipermeable hydrogel shells have been demonstrated, these may exhibit poor mechanical properties and lack the robustness required in many applications. In this study, amphiphilic polymer conetworks (APCNs) based on poly(2-hydroxyethyl acrylate)-linked by-polydimethylsiloxane (PHEA-l-PDMS) are introduced as a new class of wall materials in double emulsion microcapsules. These APCNs are mechanically robust silicone hydrogels that are swellable and permeable to water, and are soft and elastic in the dry and swollen states. Thus, the microcapsules can be dried and rehydrated multiple times or shrunken in sodium chloride salt solutions without getting damaged. Moreover, the APCNs are semipermeable for hydrophilic organic compounds, while being impermeable for macromolecules and colloids. Thus, they can be loaded with macromolecules or nanoparticles during microfluidic formation, and with organic molecules after capsule synthesis. Uptake into and release from the capsules were studied with the model compounds fluorescein and fluorescently labelled dextran. Moreover, the microcapsules served as microreactors for catalytically active platinum nanoparticles that decomposed hydrogen peroxide. Finally, the surface of APCN microcapsules can be selectively functionalized with a cholesterol-based linker that non-covalently binds to the hydrophobic domains of the APCN. Thus, APCN microcapsules represent versatile and broadly applicable capsules that could find application for the controlled delivery of drugs, as microreactors for synthesis, or even as scaffolds for synthetic cells.

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Adhesive Films from Dopamine‐Functionalized Polydimethylsiloxane Polymer Conetworks

Cited by 4 publications

References 47 publications

Exploring Some Kinetic Aspects of the Free Radical Polymerization of PDMS-MA

Exploring Some Kinetic Aspects of the Free Radical Polymerization of PDMS-MA

Enhanced adhesion of novel biomass‐based biomimetic adhesives using polyaspartamide derivative with lignin

Microfluidically produced microcapsules with amphiphilic polymer conetwork shells

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