Development of shape memory polylactic acid/ethylene-butyl acrylate-maleic anhydride (PLA/EBA-MAH) blends for 4D printing applications

RB da Cunha, P Agrawal, A da Silva Lúcio… - Journal of Polymers and …, 2024 - Springer
This study investigates the feasibility of producing filaments and 4D printed parts with shape
memory properties using Polylactic Acid/Ethylene-Butyl Acrylate-Maleic Anhydride …

4D printing of shape memory polylactic acid/ethylene-glycidyl methacrylate (PLA/E-GMA) blends

RB da Cunha, P Agrawal, LBQ Brito… - Smart Materials and …, 2023 - iopscience.iop.org
In this study, polylactide/ethylene-glycidyl methacrylate (PLA/E-GMA) binary blends were
prepared via melt blending to investigate their potential for 4D printing. The aim was to …

Recyclable catalyst-free elastomeric vitrimers: dynamic covalent bonds in ethylene-glycidyl methacrylate/zinc ionomer of ethylene/methacrylic acid blends

RB da Cunha, LBQ Brito, P Agrawal, GF Brito… - …, 2024 - ACS Publications
Elastomer materials featuring covalent cross-links deliver essential elastic performance for
various applications. Despite their benefits, challenges like the need for toxic chemical …

Shape Memory Effect in Supertough PETG/EGMA Thermoplastic Vulcanizates Obtained through Dynamic Vulcanization and Interfacial Compatibilization

MCA Lira, RB da Cunha, P Agrawal, GF Brito… - …, 2024 - ACS Publications
This study investigates the influence of a ethylene-glycidyl methacrylate copolymer (EGMA)
on the shape memory effect (SME) and impact resistance of PETG/EGMA thermoplastic …

Influence of crystallization on the shape memory effect of poly (lactic acid)

RB da Cunha, FR Pê, P Agrawal… - Smart Materials and …, 2023 - iopscience.iop.org
The objective of this study is to investigate the influence of crystallization on the shape
memory effect (SME) of poly (lactic acid)(PLA). Different thermal treatment times were …

[HTML][HTML] Exploring shape memory and self-healing behavior in sodium and zinc neutralized ethylene/methacrylic acid (EMAA) ionomers

RB da Cunha, P Agrawal, G de Figueiredo Brito… - Journal of Materials …, 2023 - Elsevier
Polymeric materials with self-healing and shape memory capabilities have gained
increasing attention for their potential applications across various industries. In this study …

Development of acrylonitrile–butadiene–styrene (ABS)/natural fiber composite filaments for innovative 3D and 4D printing

P Agrawal, PA Lima, RB da Cunha… - Polymer Engineering …, 2024 - Wiley Online Library
Fruit wastes from the agro‐industry may be used in the preparation of polymer/natural fiber
composites. In the current scenario, there is a growing need for sustainable materials that …

4D printing of shape memory polyethylene terephthalate glycol/thermoplastic polyurethane (PETG/TPU) blends

RB da Cunha, LBQ Brito, P Agrawal… - Journal of Manufacturing …, 2024 - Elsevier
Research on 3D/4D printing has seen significant growth in recent years due to the immense
potential for applying these techniques across various fields. Polyethylene terephthalate …

4D Printing Behavior of PETG/SEBS Blends: A Comparative Study of Reactive and Non-Reactive SEBS with Varied Styrene Content

MC de Alencar Lira, VA de Sousa Filho, RB da Cunha… - Polymer, 2025 - Elsevier
The demand for flexible and functional materials in additive manufacturing has spurred
interest in polymer blends with shape memory capabilities. PETG, though widely used in 3D …

Evaluation of shape memory and self-healing of poly (ε-caprolactone)/poly (ethylene-co-methacrylic acid) ionomer (PCL/EMAA-Zn) blends

RB da Cunha, P Agrawal, A da Silva Lúcio… - Journal of Materials …, 2024 - Springer
This study explores the viscoelastic, self-healing, and shape memory properties of poly (ε-
caprolactone)(PCL), the ionomer EMAA-Zn, and their blends in different proportions (70/30 …