Related Experiment Video
Updated: Nov 10, 2025
14:24
Manufacturing of Three-dimensionally Microstructured Nanocomposites through Microfluidic Infiltration
Published on: March 12, 2014
12.6K
Structure-Property Relationships in Bionanocomposites for Pipe Extrusion Applications
Luigi Botta1,2, Francesco Paolo La Mantia1,2, Maria Chiara Mistretta1,2
1Dipartimento di Ingegneria, Università di Palermo, Viale delle Scienze, 90128 Palermo, Italy.
Polymers
|April 3, 2021
Summary
Biodegradable polymer bionanocomposites with calcium carbonate or nanoclay show potential for irrigation pipes. Nanofillers enhance stiffness but slightly reduce ductility, impacting rheology differently across flow conditions.
Area of Science:
- Materials Science
- Polymer Science
- Nanotechnology
Background:
- Traditional polyolefins face environmental concerns.
- Biodegradable polymers offer sustainable alternatives.
- Nanocomposites can enhance polymer properties.
Purpose of the Study:
- To develop and evaluate bionanocomposites for irrigation pipes.
- To assess the impact of nanofillers on material properties and processability.
- To explore alternatives to fossil fuel-derived plastics.
Main Methods:
- Melt extrusion was used to produce bionanocomposites.
- Rheological behavior was evaluated under various flow regimes.
- Mechanical properties and processing behavior were analyzed.
Main Results:
- Nanofillers significantly affected low-frequency rheology, especially nanoclay.
- High shear viscosity and non-isothermal elongational flow were largely unaffected.
- Elastic modulus increased, while ductility slightly decreased with nanofillers.
Conclusions:
- Bionanocomposites show promise as sustainable materials for irrigation pipes.
- Nanofillers can tailor mechanical properties for specific applications.
- Material selection based on processing behavior is crucial for pipe extrusion.
Related Concept Videos
01:11Bending of Members Made of Several Materials
385
In analyzing a structural member composed of two different materials with identical cross-sectional areas, it is crucial to understand how their distinct elastic properties affect the member's response under load. The analysis involves assessing stress and strain distributions using the transformed section concept, which accounts for variations in material properties.
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each material's...
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each material's...
385
01:14Polymer Classification: Architecture
3.4K
Polymers are classified as linear or branched on the basis of their chain architecture. The polymer chains in linear polymers have a long chain-like structure with minimal to no branching at all. Even if a polymer features large substituent groups on the monomer, which appear as branches to the skeleton, it is not considered a branched polymer. A branched polymer contains secondary polymer chains that arise from the main polymer chain. The branching occurs when the polymer growth shifts from...
3.4K
01:09Bending of Material: Problem Solving
352
In this lesson, determine the ratio of the maximum bending moments applied to two metal pipes, given that both pipes can withstand a maximum stress of 100 MPa. Both pipes have an outer radius of 1.8 cm. Pipe A has an inner radius of 1.5 cm, and Pipe B has an inner radius of 1 cm. The ratio of the maximum bending moment applied to two metallic pipes, each with a different inner and outer radius, is determined by considering their dimensions. The inner radius of the first pipe is 1.5 cm, and for...
352
01:26Polymer Classification: Stereospecificity
2.9K
Polymerization generates chiral centers along the entire backbone of a polymer chain. Accordingly, the stereochemistry of the substituent group has a significant effect on polymer properties. Polymers formed from monosubstituted alkene monomers feature chiral carbons at every alternate position in the polymer backbone. Relative to the predominant orientation of substituents at the adjacent chiral carbons, the polymer can exist in three different configurations: isotactic, syndiotactic, and...
2.9K
01:00Characteristics and Nomenclature of Homopolymers
3.7K
Polymers that are made up of identical monomer units are called homopolymers. Only one repeating unit is involved in the construction of the homopolymer structure. For example, as depicted in Figure 1, polypropylene is a homopolymer constituted of propylene monomers. Here, the only repeating unit in the polymer chain is propylene.
3.7K
01:24Characteristics and Nomenclature of Copolymers
3.0K
Copolymers are the products obtained from the polymerization of multiple monomer species. So, in a polymer chain itself, there can be multiple repeating units that come from different monomers. The process of synthesizing a polymer from different monomer species is called copolymerization. When two monomers are involved, the polymer is known as a bipolymer. Polymers with three and four monomers are termed terpolymers and quaterpolymers, respectively. Figure 1 depicts the copolymerization of...
3.0K