Results 31 to 40 of about 252 (124)

Caracterização térmica e mecânica de compósitos de poliuretano com fibras de Curauá Thermal and mechanical caracterization of polyuretane composites with Curaua fibers

Polímeros, 2004
O presente trabalho tem por objetivo estudar o comportamento térmico e o mecanismo de decomposição térmica de compósitos de poliuretano nas proporções de: 5, 10 e 20%(p/p) de fibra de curauá.
Cheila G. Mothé, Carla R. de Araujo
doaj   +1 more source

Tensile behavior analysis combined with digital image correlation and mechanical and thermal properties of microfibrillated cellulose fiber/ polylactic acid composites

Polymer Testing, 2022
Microfibrillated cellulose (MFC) employed as reinforcement of polymeric matrices can increase elastic modulus, stiffness and strength of a composite. In this work, the assessment of the mechanical, thermal properties and tensile tests assisted by digital
Luiz C.C. Jesus, Janaíne M. Oliveira, Rosineide M. Leão, Lílian R. Beltrami, Ademir J. Zattera, Carla T.M. Anflor, Thiago C.R. Doca, Sandra M. Luz   +7 more
doaj   +1 more source

Potential of Natural Fibers in Composites for Ballistic Applications – A Review

Journal of Natural Fibers, 2022
In this paper, a review of natural fibers composites used in protective armors for ballistic applications like bulletproof vests is presented. It seeks to compile the results and establish natural fiber composites as an alternative to absolute synthetic ...
Suhas Yeshwant Nayak, Mohamed Thariq Hameed Sultan, Satish B. Shenoy, Chandrakant R. Kini, Rashmi Samant, Ain Umaira Md Shah, P. Amuthakkannan   +6 more
doaj   +1 more source

Ballistic properties of curaua-aramid laminated hybrid composites for military helmet

Journal of Materials Research and Technology, 2023
The present research aimed to develop laminated hybrid-composite with aramid woven fabric and curaua non-woven mat, to evaluate the possibility of using as military ballistic helmets.
Natalin Michele Meliande, Michelle Souza Oliveira, Artur Camposo Pereira, Filipe D'Mengeon Pedreiro Balbino, André Ben-Hur da Silva Figueiredo, Sergio Neves Monteiro, Lucio Fabio Cassiano Nascimento   +6 more
doaj   +1 more source

Pyrolysis Decomposition Kinetics of Microcrystalline Cellulose and Curaua Fiber: Insight of Reaction Models by Using Vyazovkin Method

Journal of Natural Fibers, 2022
This paper provides a full understanding of the pyrolysis mechanism of plant biomass (curaua) and cellulose – two materials that involve complex degradation stages.
Heitor Ornaghi, Roberta Motta Neves, Francisco Monticeli, Otavio Bianchi   +3 more
doaj   +1 more source

Progress in Biodegradable Nonwoven Materials for Personal Protective Applications

Macromolecular Materials and Engineering, Volume 311, Issue 8, August 2026.
ABSTRACT Personal protective equipment generates large waste streams, underscoring the need for materials that deliver protection without persistent environmental costs. This study reviews biodegradable nonwoven options and relates material choice and disposal routes to barrier performance, comfort, and footprint.
Tarikul Islam, Sayam, Pooja Maurya, Gajanan Bhat   +3 more
wiley   +1 more source

Evaluation of the micropropagation potential of curauá pineapple hybrids for fiber production [PDF]

Acta Amazonica, 2018
Plant fiber is a renewable and biodegradable material that can be used effectively to reinforce various composites. Pineapple hybrids selected for their fiber quality are in the phase of agronomic validation in Brazil by the Embrapa Cassava and Fruits ...
Cintia Paula Feitosa SOUZA, Everton Hilo de SOUZA, Carlos Alberto da Silva LEDO, Fernanda Vidigal Duarte SOUZA   +3 more
doaj   +2 more sources

Application of the Artificial Neural Network (ANN) Approach for Prediction of the Kinetic Parameters of Lignocellulosic Fibers

Textiles, 2021
Lignocellulosic fibers are widely applied as reinforcement in polymer composites due to their properties. The thermal degradation behavior governs the maximum temperature at which the fiber can be applied without significant mass loss.
Heitor Luiz Ornaghi, Roberta Motta Neves, Francisco M. Monticeli   +2 more
doaj   +1 more source

Fatigue Analysis of Novel 3D Hybrid Natural Fiber‐Reinforced Composites

Polymer Composites, Volume 47, Issue 9, Page 8414-8426, 10 May 2026.
Use of 3D fibre‐reinforcement architecture to improve the fatigue life of natural fibre‐reinforced composites. ABSTRACT The growing demand for sustainable engineering materials has intensified research into natural fiber‐reinforced composites (NFRCs).
H. F. M. de Queiroz, R. Ciardiello, M. D. Banea   +2 more
wiley   +1 more source

Bio‐Based Polyurethanes: Mechanical Performance, Structure–Property Relationships, and Future Directions

Journal of Polymer Science, Volume 64, Issue 9, Page 1860-1894, 1 May 2026.
This review examines bio‐based polyurethanes from renewable feedstocks, focusing on structure‐property relationships governing mechanical performance. It analyzes reinforcement strategies, benchmarks against petrochemical counterparts, and explores future directions, including non‐isocyanate routes and circular economy integration for sustainable high ...
Khaled Chawraba, Hussein Medlej, Mohamad Sakr, Akram Hijazi, Abrar Hussain   +4 more
wiley   +1 more source