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   Articles with "polyurethane" as a keyword



4D Encryption System: Hydrophilic–Hydrophobic Polyurethane Actuators with Smart Color Switching for High‐Capacity Data Storage

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recommendations! Published in 2025 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202501801

Abstract: Natural communication methods have influenced the creation of sophisticated artificial materials capable of coherent and abundant responses to stimuli, a crucial necessity for developing applications such as dynamic encryption systems and high‐density information storage. However,… read more here.

Keywords: information; capacity; polyurethane; encryption ... See more keywords

Porous Non‐Isocyanate Polyurethane by Stepwise Polymerization‐Induced Micron Phase Separation between Evolving Polymer Network and Solvent

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recommendations! Published in 2025 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202515569

Abstract: Porous polyurethane accounts for half the global polymer foam market. However, the synthesis of polyurethanes (PUs) heavily relies on the use of highly toxic isocyanates, raising significant health and environmental concerns. Non‐isocyanate polyurethane (NIPU), as… read more here.

Keywords: polymerization induced; polyurethane; isocyanate polyurethane; polymer ... See more keywords

Tailored Biocompatible Polyurethane‐Poly(ethylene glycol) Hydrogels as a Versatile Nonfouling Biomaterial

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recommendations! Published in 2022 at "Advanced Healthcare Materials"

DOI: 10.1002/adhm.202201378

Abstract: Polyurethane‐based hydrogels are relatively inexpensive and mechanically robust biomaterials with ideal properties for various applications, including drug delivery, prosthetics, implant coatings, soft robotics, and tissue engineering. In this report, a simple method is presented for… read more here.

Keywords: biocompatible polyurethane; poly ethylene; ethylene glycol; poly ... See more keywords

A Polypyrrole-polycarbonate Polyurethane Elastomer Alleviates Cardiac Arrhythmias via Improving Bio-conductivity.

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recommendations! Published in 2023 at "Advanced healthcare materials"

DOI: 10.1002/adhm.202203168

Abstract: Myocardial fibrosis, resulting from myocardial infarction (MI), significantly alters cardiac electrophysiological properties. As fibrotic scar tissue forms, its resistance to incoming action potentials increases, leading to cardiac arrhythmia, and eventually sudden cardiac death or heart… read more here.

Keywords: polycarbonate polyurethane; cardiac arrhythmias; conductivity; polypyrrole polycarbonate ... See more keywords

Bioinspired Conductive Enhanced Polyurethane Ionic Skin as Reliable Multifunctional Sensors.

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recommendations! Published in 2023 at "Advanced science"

DOI: 10.1002/advs.202300857

Abstract: Ionogels prepared from ionic liquid (IL) have the characteristics of nonevaporation and stable performance relative to traditional hydrogels. However, the conductivities of commonly used ionogels are at very low relative to traditional hydrogels because the… read more here.

Keywords: enhanced polyurethane; skin; conductive enhanced; polyurethane ionic ... See more keywords

AI-Directed 3D Printing of Hierarchical Polyurethane Foams.

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recommendations! Published in 2025 at "Advanced science"

DOI: 10.1002/advs.202515122

Abstract: Hierarchical porous materials enable next-generation protective, thermal, and biomedical devices by leveraging multiscale architectures with tunable mechanical and thermal properties. Current 3D printing techniques mainly yield periodic lattices and support limited polymer types, restricting patterning… read more here.

Keywords: polyurethane foams; polyurethane; directed printing; hierarchical polyurethane ... See more keywords

Durable Metal‐Organic Frameworks by Covalent Hybridization with Polyurethane and Polyallophanate

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recommendations! Published in 2025 at "Asian Journal of Organic Chemistry"

DOI: 10.1002/ajoc.202400642

Abstract: Metal‐organic frameworks (MOFs) are expected for have a multitude of applications due to their high porosity, crystallinity, and designability. However, the mechanical properties of MOFs are brittle due to the porosity and the weak coordination… read more here.

Keywords: mechanical properties; polyurethane; organic frameworks; properties mofs ... See more keywords

Polyurethane‐acrylic hybrid emulsions with high acrylic/polyurethane ratios: Synthesis, characterization, and properties

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recommendations! Published in 2017 at "Journal of Applied Polymer Science"

DOI: 10.1002/app.44488

Abstract: Allyl polyoxyethylene ether (APEE) was used as coupling agent between polyurethane (PU) and acrylic polymer (AC) to synthesize stable waterborne polyurethane-acrylic (PU-AC) hybrid emulsions with high AC/PU weight ratio ranged from 45/55 to 70/30. The… read more here.

Keywords: emulsions high; acrylic hybrid; weight; hybrid emulsions ... See more keywords

Nonisocyanate thermoplastic polyurethane elastomers based on poly(ethylene glycol) prepared through the transurethanization approach

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recommendations! Published in 2017 at "Journal of Applied Polymer Science"

DOI: 10.1002/app.44991

Abstract: Nonisocyanate thermoplastic polyurethane elastomers (NIPUs) were synthesized with the transurethanization approach. Dimethyl dicarbamates (DCs) were prepared by the reaction of a diamine with an excess of dimethyl carbonate in the presence of 1,5,7-triazabicyclo[4.4.0]dec-5-ene (TBD) as… read more here.

Keywords: polyurethane; nonisocyanate thermoplastic; polyurethane elastomers; thermoplastic polyurethane ... See more keywords

Antimicrobial polyurethane foams having cationic ammonium groups

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recommendations! Published in 2017 at "Journal of Applied Polymer Science"

DOI: 10.1002/app.45473

Abstract: Polyurethane foams were prepared by using functional quaternary ammonium monomers to endow the porous materials with antimicrobial properties. For this purpose, tri- and tetra-hydroxyl functional quaternary ammonium compounds were synthesized and used as a triol… read more here.

Keywords: polyurethane; polyurethane foams; ammonium; quaternary ammonium ... See more keywords

Effect of branching in hyperbranched alkyd on the performance of alkyd polyurethane coating

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recommendations! Published in 2018 at "Journal of Applied Polymer Science"

DOI: 10.1002/app.45835

Abstract: Hyperbranched alkyd was synthesized by single-step approach using trimethylolpropane, mono pentaerythritol as core material, and 2,2-bis(methylol)propionic acid (DMPA), a combination of dehydrated castor oil fatty acid and coconut oil fatty acid as chain extender. A… read more here.

Keywords: polyurethane coating; hyperbranched alkyd; alkyd polyurethane; effect branching ... See more keywords