dra. maría graciela aguayo palma · eu project title: new lightweight and nanotechnology enhanced...

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Dra. María Graciela Aguayo Palma Académica Investigadora Depto. Ingeniería en Maderas Universidad del Bío-Bío

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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

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
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

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

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

¿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
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

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

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

SEM (Scanning Electron Microscopy)

Sample B

Page 10: Dra. María Graciela Aguayo Palma · EU project title: New Lightweight and Nanotechnology Enhanced Bio-composites from Lignocellulosic Materials O.P. Competitiveness and Entrepreneurship

Metodología: Nanoindentaciones

www.cbnubb.cl

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

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

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

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

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

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

- 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
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

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

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

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

✓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

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

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

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

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

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

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
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

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

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

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

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

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
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

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

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
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

María Graciela Aguayo: [email protected]

William Gacitúa: [email protected]

Cecilia Bustos: [email protected]

Muchas gracias por su atención !