Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Characteristics of bio-oil phenol-formaldehyde resins (BPFs) and phenol-formaldehyde resin (PF).
| Resins | B/P Substitute Rate (%) | Characteristics | |||
|---|---|---|---|---|---|
| pH (25 °C) | Viscosity (25 °C, mPa·s) | Solids Content (%) | Water Absorption (25 °C, 24 h, %) | ||
| PF | 0 | 10.98 ± 0.12 | 117 ± 22 | 47.64 ± 0.28 | 30.26 ± 1.12 |
| 10%BPF | 10 | 10.57 ± 0.15 | 185 ± 40 | 46.42 ± 0.19 | 27.34 ± 0.98 |
| 20%BPF | 20 | 10.27 ± 0.09 | 278 ± 31 | 45.23 ± 0.23 | 24.33 ± 0.73 |
| 30%BPF | 30 | 9.95 ± 0.16 | 636 ± 58 | 42.69 ± 0.21 | 22.32 ± 1.36 |
