LOW VISCOSITY BIO-OILS AS SUBSTRATES FOR BPF ADHESIVES WITH LOW FREE FORMALDEHYDE EMISSION LEVELS, THEIR METHODS OF PREPARATION AND USE
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United States of America Patent
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N/A
Issued Date -
Feb 2, 2017
app pub date -
Jul 28, 2016
filing date -
Jul 30, 2015
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
The present application is directed to the preparation of low viscosity bio-oils from the hydrothermal liquefaction (HTL) of lignocellulosic biomass in the presence of a crude glycerol and water mixture achieving a high biomass conversion ratio. The modified HTL process allows the direct use of crude glycerol as an effective solvent for biomass liquefaction creating a highly efficient and cost-effective process. Furthermore, the resulting bio-oils containing liquefied biomass, crude glycerol and water, were successfully applied as an inexpensive green substitute in the preparation of bio-based phenol formaldehyde (BPF) adhesives which retain bonding strengths (dry or wet strength) as required by ASTM standard and free formaldehyde emission levels at the F*** and F**** level according to the JIS standard.
First Claim
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International Classification(s)
- 2016 Application Filing Year
- C11B Class
- 258 Applications Filed
- 169 Patents Issued To-Date
- 65.51 % Issued To-Date