![Page 1: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/1.jpg)
Dra. María Graciela Aguayo PalmaAcadémica – Investigadora
Depto. Ingeniería en Maderas
Universidad del Bío-Bío
![Page 2: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/2.jpg)
![Page 3: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/3.jpg)
Investigaciones de los últimos cinco años muestra el
potencial de las innovaciones en disversas áreas
(cosméticos, vendajes para heridas, portadores de
medicamentos, implantes médicos, ingeniería de
tejidos, alimentos y compuestos, refuerzos en distintas
matrices, etc.)
![Page 4: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/4.jpg)
Reducir el tamaño de partículas aumentando el área superficial
![Page 5: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/5.jpg)
¿Nanotecnología…? 1 nm = 10-9m
1 m
1 nm
Tip Cube-Corner
![Page 6: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/6.jpg)
![Page 7: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/7.jpg)
Retulainen et al. 1998 Jensen 1977
Ultraestructura de la fibra
![Page 8: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/8.jpg)
Materiales:
• Capa S2
• Lamela media
![Page 9: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/9.jpg)
SEM (Scanning Electron Microscopy)
Sample B
![Page 11: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/11.jpg)
Una sola nanoindentación…
![Page 12: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/12.jpg)
Nanoindentaciones en capa-S2
y Lamela media
![Page 13: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/13.jpg)
Nanoindentaciones Respuestas:
Dureza
A
PH max=
Modulo de elasticidad
Eeff =1
b
p
2
S
A
i
i
eff EEE
22 111 −+
−=
![Page 14: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/14.jpg)
Pared celular, S2: 10 – 15 GPa
Lamela media: 4 – 8 GPa
![Page 15: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/15.jpg)
R = 0.98
![Page 16: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/16.jpg)
- Canelo
- Tepa
- Olivillo
- Raulí
- Coigüe
- Laurel
- Ciprés
- Alerce
![Page 17: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/17.jpg)
![Page 18: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/18.jpg)
Materia prima:
Celulosa
Tratamiento químicoTratamiento mecánico
![Page 19: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/19.jpg)
Nanocelulosas: Nanocristales de celulosa
(CNC)
Aguayo, M.G.; Fernández Pérez, A.; Reyes, G.; Oviedo, C.; Gacitúa, W.; Gonzalez, R.; Uyarte, O. Isolation and
Characterization of Cellulose Nanocrystals from Rejected Fibers Originated in the Kraft Pulping Process.
Polymers 2018, 10, 1145.
![Page 20: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/20.jpg)
Nanocelulosas: Nanofibrilas de celulosas (NFC)
Microscopía de fuerza atómica, CBN-UBB
Microdesfibrado Microdesfibrado + Microfluidizado
![Page 21: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/21.jpg)
✓La nanocelulosa es obtenida desde fibras de celulosa✓Renovable
✓Biodegradable
✓Biocompatible
✓Alta resistencia (y ligero!)
✓Alta superficie
- Capacidad de unión
- Funcionalidad química
✓Estabilidad dimensional
✓Propiedades de absorción de humedad
✓Estabilidad térmica
✓Propiedades aislantes
✓……
¿Por qué materiales
bio-basados en celulosa?
![Page 22: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/22.jpg)
Economía circular
Nanocelulosa Construcción
Bioquímicos
Biocombustibles
Fibras de carbono
a partir de lignina
Big-Data
Nanotecnología
Biología
Manufactura 4.0
Bioplásticos y
biocompuestos
Fibras textiles
Sistemas de empaque
Economía circular …... sistema de aprovechamiento de recursos donde prima la
reducción, la reutilización y el reciclaje de los elementos
![Page 23: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/23.jpg)
NanomanufacturaAplicación de nanocompuestos
¿Qué es?: Manufactura más exacta desde el punto de vista de las propiedades
físicas, mecánicas y químicas de los materiales.
Áreas de impacto:
• Empaques
• Aplicaciones en construcciones,
eficientes térmicamente
• Producción de alimentos
• Vestuario
• Automotriz
• Revestimiento resistentes al rayado
Nanomaterial: producto de la nanomanufactura, donde las dimensiones de sus componentes
son a nivel de nanoescala.
Serán parte de la
próxima revolución
industrial
![Page 24: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/24.jpg)
Grupo - Nanomanufactura UBBAplicación de nanocompuestos
![Page 25: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/25.jpg)
Técnicas usadas en nanomanufactura UBB
• Extrusión
• Moldeo
• Microdesfibración
• Ultrasonicación
• Microfluidización
• Homogenización
• Electrospinning
• Deposición química (CD)
• Deposición física (PVD)
• ..otros
![Page 26: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/26.jpg)
Electrospinning
![Page 27: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/27.jpg)
Aplicaciones de la nanocelulosa
Anti-bacterias – Barrera de vapor
![Page 28: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/28.jpg)
![Page 29: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/29.jpg)
En resumen…
Atributos de los nanotejidos
Propiedad Acero (a) Aluminio (a) Kevlar 29 Nanocelulosas (b)
Densidad, kg/m3 7.860 2.800 1.400 1.550
Resistencia a la tensión (MPa) 500 400 2.800 10.000
Módulo de Young (GPa) 200 70 183 130 - 250
Ecelulosa ≈ 134 GPaEAlumnio ≈ 70 GPaETitanio ≈ 110 GPa
![Page 30: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/30.jpg)
Refuerzo de Matrices
• Prop. mecánicas
• Barrera térmica
• Barrera ruido
• Barrera vapor
• Biodegradable
![Page 31: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/31.jpg)
EU project title: New Lightweight and
Nanotechnology Enhanced Bio-composites
from Lignocellulosic Materials
O.P. Competitiveness and Entrepreneurship (EPAN ΙΙ), ROP Macedonia - Thrace, ROP Crete and Aegean Islands, ROP Thessaly - Mainland Greece - Epirus, ROP Attica
Ministry of Education and Religious Affairs, Culture & SportsGSRT - Management and Implementation Agency for RTD and Innovation Activities
Project: FIBRACOM – Cooperation Greece - China
Greek partners: CHIMAR, CRES, AUTH
Chinese partners: Institute of Bast Fiber Crops (Chinese
Academy of Agricultural Sciences), Dalian Polytechnic
University, Liaoyang Yimeng Carpet Manufacturing Co.
![Page 32: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/32.jpg)
Preparation of lightweight Particleboards
The panels were from hemp and had density 400 kg/m3
La adición de NCF como tal, no mejoró la resina.
La modificación química de NCF influye en propiedades
mecánicas de los paneles, mejora los valores del contenido de
formaldehído.
![Page 33: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/33.jpg)
Otra línea de investigación
Productos de ingeniería.....
![Page 34: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/34.jpg)
![Page 35: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/35.jpg)
Desarrollo en CNC….
Fondecyt N 11150595Inv Responsable: María Graciela Aguayo
Cellulose nanocristals (CNC) obtained by hardwood pulp
hydrolysis: characteristics and properties to improve the
biocide fixation in wood preservation
![Page 36: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/36.jpg)
La Nanocelulosa: Súper material “verde”
• Material de refuerzo en matrices poliméricas como los adhesivos para
madera y otros termoplásticos (nanocomposites).
• Refuerzo en pinturas y barnices,
• Material para embalaje de alimentos.
• Material de refuerzo en papeles especiales y
• Como un gel no alergénico (hidrogel) para aplicaciones en medicina u
otras aplicaciones en la industria química.
• Sistema de anclaje en preservación de madera.
![Page 37: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/37.jpg)
![Page 38: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship](https://reader034.vdocument.in/reader034/viewer/2022050206/5f595e5639d23c31b356020b/html5/thumbnails/38.jpg)
María Graciela Aguayo: [email protected]
William Gacitúa: [email protected]
Cecilia Bustos: [email protected]
Muchas gracias por su atención !