Overview of product
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A new phenolic resin by using non-edible biomass which has comparable high strength and heat Resistance to oil-based phenol resinsThe product is produced by using Lignin which is non-edible biomass. Lignin modified resin shows comparable workability and performance to conventional oil-based phenol resins. Furthermore the resin shows unique property in specific application. |
- *1: This development utilizes results obtained from a project commissioned by the New Energy and Industrial Technology Development Organization (NEDO).
Technical data
Solid novolak (flake)
| Item No. | Note | Biomass (%) |
Softening Poing (℃) |
Free Phenol (%) |
|---|---|---|---|---|
| PR-X20108 | Lignin modified | 25-40 | 125 | < 1.0 |
| PR-X20109 | Lignin modified | 25-40 | 117 | < 1.0 |
| PR-X21085 | Multi modified | 40-60 | 110 | < 1.0 |
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Remark
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solid novolak (powder)
| Item No. | Note | Flow 125℃, mm |
Gelation Time 165℃, sec |
Free Phenol (%) |
|---|---|---|---|---|
| PR-X20068 | Lignin modified | 12 | 29 | < 1.0 |
| PR-X20084 | Lignin modified | 22 | 26 | < 1.0 |
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Remark
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Liquid resole
| Item No. | Note | Viscosity mPas |
pH | Free Formaldehyde (%) |
Free Phenol (%) |
|---|---|---|---|---|---|
| PR-X20048 | Lignin modified | 500 | < 10 | < 0.1 | < 1.0 |
|
Remark
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The above is an example. We propose resins suitable for each application.
Application
Friction material
✔ Flexibility ✔ High heat resistance |
|
Friction property
| Non-modified | Lignin-modified | |
|---|---|---|
| Porosity (%) | 17.1 | 17.2 |
| Hardness (HRR) | 77 | 53 |
| Flexural strength (r.t., MPa) | 34.8 | 24.0 |
| Flexural strength after 350℃ (MPa) |
2.3 | 2.7 |
Molded material
✔ High strength ✔ High heat resistance |
|
Molded material property
| Non-modified | Lignin-modified | |
|---|---|---|
| Strength (Ratio) | 100 | 123 |
| Strength at high temp. (Ratio) | 100 | 117 |
| Impact resistance (Ratio) | 100 | 117 |
| Insulation resistance (Order) | 1011 | 1011 |
| Liner expansion (ppm) | 26 | 28 |
- The value is representative.
Rubber reinforcing
✔ Balanced property ✔ High biomass ratio |
|
Rubber (NR/CB) property
| Non-modified | Cashew-modified | Lignin-modified | |
|---|---|---|---|
| Biomass ratio (Ratio) | 0 | ～40 | 45～60 |
| Mooney viscosity (Ratio) | 100 | 90 | 90 |
| Hardness (Ratio) | 100 | 110 | 105 |
| Modulus ((Ratio) | 100 | 180 | 130 |
| Low energy loss (Ratio) | 100 | 85 | 100 |
- The value is representative.
Impregnation
✔ Flame resistance ✔ High biomass ratio |
Glass cloth laminate property
| Non-modified | Lignin-modified | |
|---|---|---|
| Appearance | Light yellow | Dark brown |
| Impregnation | good | good |
| Burning test | V-0 | V-0 |
Impregnated paper property
|
|
✔ Comparable function to non-modified resole
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