Document Detail

Lactic acid/wood-based composite material. Part 1: Synthesis and characterization.
MedLine Citation:
PMID:  19473836     Owner:  NLM     Status:  MEDLINE    
As biomass feedstock, wood and lactic acid biopolymers have been used as constituents of an innovative biocomposite material possessing remarkable properties. Three different systems were made by soaking lactic acid oligomers into solid wood and then oven heating to induce in situ polymerisation, confirmed by Fourier transformed infrared spectroscopy (FTIR) and gel permeation chromatography (GPC) analysis. Combinations of treatment systems and heating durations, implying structural wood modification, led to different physical behaviours of the composites. The first obtained material was in the form of softened and easily bendable wood. Subjected to an extended heating period, this softened material could then regain its initial hardness. Another treatment parameter combination directly led to densified wood with improved properties. These two main composite materials are expected to be useable for bending, stamping or flooring industrial uses, depending on their physical condition.
Marion Noël; Emmanuel Fredon; Eric Mougel; Daniel Masson; Eric Masson; Luc Delmotte
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Publication Detail:
Type:  Journal Article     Date:  2009-05-26
Journal Detail:
Title:  Bioresource technology     Volume:  100     ISSN:  1873-2976     ISO Abbreviation:  Bioresour. Technol.     Publication Date:  2009 Oct 
Date Detail:
Created Date:  2009-07-01     Completed Date:  2009-09-02     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9889523     Medline TA:  Bioresour Technol     Country:  England    
Other Details:
Languages:  eng     Pagination:  4711-6     Citation Subset:  IM    
LERMAB 1093, Institut National de la Recherche Agronomique, UHP Nancy I, ENSTIB, 27 rue du Merle Blanc, Epinal Cedex 9, France.
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MeSH Terms
Biocompatible Materials / chemical synthesis*,  chemistry*
Biopolymers / chemistry
Chromatography, Gel
Elastic Modulus
Lactic Acid / metabolism*
Materials Testing
Molecular Weight
Polyethylene Glycols / chemistry
Wood / metabolism*
Reg. No./Substance:
0/Biocompatible Materials; 0/Biopolymers; 0/Polyethylene Glycols; 50-21-5/Lactic Acid

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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