Network structures and thermal properties of polyurethane films prepared from liquefied wood
- Publisher
- Elsevier Science
- Year
- 2002
- Weight
- 183 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0140-6701
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β¦ Synopsis
07 Alternative energy sources (geothermal energy) are 25, 10 and 15% by weight. Equations are developed for predicting the U,,,r values of these mixtures. The equations are also tested for their validity against the data in current literature on Ll,,,r values of mixtures of biomass and sands and also mixtures of particles of different sizes only. It is found that the proposed equations quite satisfactorily predict the U,,,r values for mixtures of different particle densities and sizes.
02/01547
Modelling of energy and carbon budgets of wood fuel coppice systems
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## Abstract Biopolyurethane prepared from liquefied wood with the residue of the liquefied wood product was investigated in this article. Previous results indicated that the residue of the liquefaction product was composed mostly of compounds originated from lignin. The chemical structures of ligni
## Abstract The wood powder of __Cryptomeria japonica__ (Japanese cedar) was liquefied in phenol, with H~2~SO~4~ and HCl as a catalyst. The liquefied wood was used to prepare the liquefied woodβbased novolak phenol formaldehyde (PF) resins by reacting with formalin. Furthermore, novolak PF resins w