ArticleSoft matter2019
Hydroxypropyl cellulose as a green polymer for thermo-responsive aqueous foams.
Article in Soft matter, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
11 citing papers in PubMed.
- Review
- Sustainable Fully Inkjet-Printed Humidity Sensor Based on Ionic Liquid and Hydroxypropyl Cellulose.ACS applied materials & interfaces · 2025Article
- Cellulose Based Nano-Scaffolds for Targeted Cancer Therapies: Current Status and Future Perspective.International journal of nanomedicine · 2025Review
- Cesium tungsten oxide-carbon nanotube-hydroxypropyl cellulose thermoresponsive display.RSC advances · 2024Article
- Antibacterial Surgical Sutures Developed Using Electrostatic Yarn Wrapping Technology.Journal of functional biomaterials · 2023Article
- Solid State NMR a Powerful Technique for Investigating Sustainable/Renewable Cellulose-Based Materials.Polymers · 2022Review
- Pickering Interfacial Catalysis for Aerobic Alcohol Oxidation in Oil Foams.Journal of the American Chemical Society · 2022Article
- Coacervate Thermoresponsive Polysaccharide Nanoparticles as Delivery System for Piroxicam.International journal of molecular sciences · 2020Article
- Unexpected monolayer-to-bilayer transition of arylazopyrazole surfactants facilitates superior photo-control of fluid interfaces and colloids.Chemical science · 2020Article
- Superior Antitumor Efficacy of IFN-α2b-Incorporated Photo-Cross-Linked Hydrogels Combined with T Cell Transfer and Low-Dose Irradiation Against Gastric Cancer.International journal of nanomedicine · 2020Article
- Specific Ion Effects of Dodecyl Sulfate Surfactants with Alkali Ions at the Air-Water Interface.Molecules (Basel, Switzerland) · 2019Article
Corrections and comments
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Hydroxypropyl cellulose (HPC) is a surface active polymer that can change its solubility as a function of temperature. This makes HPC interesting for responsive foams, where macroscopic properties need to be reversibly changed on demand. Analysis of aqueous HPC foams as a function of temperature showed a moderate decrease in foam half-life time from 9000 to 4000 s, when the temperature was increased. However, within a narrow temperature range of ±2 °C a dramatic decrease in half-life time to <120 s was observed at 43 °C in the absence and at 31 °C in the presence of 0.7 M NaCl. These drastic changes are highly reversible and are associated to the lower critical solution temperatures (LCST) of HPC in aqueous solutions. In fact, dynamic light scattering experiments indicate that HPC molecules form aggregates at temperatures >31 °C (0.7 M NaCl) and >43 °C (0 M NaCl), which shrink in size when the temperature is increased further. From these results, we conclude that the LCST of 1 MDa HPC is at 43 °C when no salt is present and is at 31 °C in aqueous solutions with 0.7 M NaCl. In addition, shear rheology of bulk solutions and surface tensiometry indicate that the solution's viscosity and the surface pressure dramatically change at the respective LCSTs. Obviously, the solvent's viscosity triggers substantial changes in foam drainage at the LCST, which is shown to be the main driving force for the temperature responsiveness of HPC foams.
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Registered trials
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