Related Experiment Video
Updated: Feb 3, 2026
09:22
Fabricating Superhydrophobic Polymeric Materials for Biomedical Applications
Published on: August 28, 2015
19.7K
Advances in Waterborne Polyurethane-Based Biomaterials for Biomedical Applications
1Department of Organic Materials and Polymer Engineering, Dong-A University, Busan, South Korea.
Advances in Experimental Medicine and Biology
|October 26, 2018
Summary
Waterborne polyurethanes (WPUs) offer an eco-friendly, non-toxic alternative to conventional polyurethanes (PUs) for biomedical applications. Their versatile properties and environmentally friendly fabrication make them promising biomaterials for medical devices.
Area of Science:
- Biomaterials Science
- Polymer Chemistry
- Environmental Science
Background:
- Polyurethanes (PUs) are widely used synthetic elastomers in biomedical fields due to their biocompatibility and tunable mechanical properties.
- Conventional solventborne PUs face limitations regarding toxic organic solvent usage during processing.
- Waterborne polyurethanes (WPUs) have emerged as an environmentally friendly alternative, utilizing water as a dispersing solvent.
Purpose of the Study:
- To review the environmental-friendly synthesis of waterborne polyurethanes (WPUs).
- To discuss the manufacturing processes and applications of WPUs and WPU-based nanocomposites as biomaterials.
Main Methods:
- Literature review focusing on WPU synthesis and characterization.
- Analysis of WPU properties relevant to biomedical applications.
- Exploration of WPU-based nanocomposite development and their potential uses.
Main Results:
- WPUs offer advantages such as zero/low organic solvent content, non-toxicity (absence of isocyanate residues), and broad structure/property diversity.
- Environmentally friendly fabrication methods enhance WPU applicability.
- WPU-based nanocomposites show promise for advanced biomedical applications.
Conclusions:
- WPUs represent a sustainable and safe class of biomaterials for diverse medical applications.
- The development of WPUs and their nanocomposites aligns with the growing demand for eco-friendly and high-performance medical materials.
- Further research into WPU manufacturing and application can expand their role in advanced medical devices.
Related Concept Videos
02:22Overview of Advanced Functional Groups
29.9K
Functional groups are groups of atoms with specific chemical properties that occur within organic molecules and are sometimes denoted as “R”. Functional groups can “functionalize” a compound by enabling it to adopt different physical and chemical properties.
Types of Advanced Functional Groups
The table below summarizes some of the major functional groups in organic chemistry.
29.9K
00:56Extraction: Advanced Methods
1.2K
Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
1.2K
01:08Sample Preparation for Analysis: Advanced Techniques
1.4K
Accurate analysis of complex samples often requires advanced preparation techniques to achieve reliable and reproducible results. Samples containing inorganic or organic materials can be challenging to dissolve or decompose effectively. Standard sample preparation methods include acid digestion, fusion, dry ashing, and wet digestion.
Acid digestion with strong acids is commonly used to dissolve inorganic materials that are insoluble (do not dissolve) in water. This method can be useful for...
Acid digestion with strong acids is commonly used to dissolve inorganic materials that are insoluble (do not dissolve) in water. This method can be useful for...
1.4K
01:30Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques
539
Airway management is essential in emergency and surgical medicine, ensuring ventilation and oxygenation in patients who cannot maintain their own airway. Clinicians use a range of techniques and devices to secure the airway, depending on the patient’s condition and the clinical context. Key methods include endotracheal intubation, rapid sequence intubation (RSI), supraglottic airway devices, and advanced visualization aids. In cases where these approaches fail, surgical airway...
539
01:14Photoluminescence: Applications
1.1K
Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
1.1K
01:17Radiation: Applications
1.8K
The average temperature of Earth is the subject of much current discussion. Earth is in radiative contact with both the Sun and dark space; it receives almost all its energy from the radiation of the Sun and reflects some of it into outer space. Dark space is very cold, about 3 K, so Earth radiates energy into it. For instance, heat transfer occurs from soil and grasses, the rate of which can be so rapid that frost can occur on clear summer evenings, even in warm latitudes.
The average...
The average...
1.8K