Water and Oil repellent
① Water and Oil repellent for polyester fabric with MODIPER® F3636
MODIPER® F3636 can improve water and oil repellent of polyester fabric.
Test method and criteria
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■ Preparation of test sample
- ・Cloth : Polyester fabric
- ・Solvent : Methyl Ethyl Ketone
- ・Dosage of MODIPER® F3636 : 1wt%
- ・Coating method : Dipping
- ・Drying condition : 23℃×24h/li>
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■ Test method of Water repellent (JIS L 1092)
Water repellent (point) Test criteria 100 No wet, no water drop on surface 50 Wet surface of the front side 0 Wet surface of front side as well as back side -
■ Test method of Oil repellent (AATCC)
Oil repellent (point) Test criteria 8 No permeation by n-heptane 5 No permeation by n-dodecane 1 No permeation by Nujol 0 Permeation by Nojul
Test results
| Additive ratio（wt. %） | Water repellent (point) | Oil repellent (point) |
|---|---|---|
| 0 | 0 | 0 |
| 1 | 100 | 5 |
② Water and Oil repellent for coating material with MODIPER® F206
MODIPER® F206 can improve water and oil repellent of coating.
Test method and criteria
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■ Composition of coating material
- ・Main lacquer (acrylic urethene type) : 100phr
- ・Curing agent (Isocyanate type) : 10phr
- ・Additive (MODIPER® F206) : 2phr (as an active element)
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■ Coating and curing
- ・Substrate : SUS304
- ・Coating : bar coater
- ・Curing condition : 80℃/30min
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■ Test method
- ・Testing standard : static contact angle measurement (JIS R 3257 (1999))
- ・Test device : contact angle meter Drop Master 500 (Kyowa interface science Co., Ltd.)
- ・Procedure : measure contact angle 30sec after dropping water or solvent on surface.
- ・Test solvent : Water, Oleic acid, n-Hexadecane
Test result
| Test sample | Unit | Water | Oleic acid | n-Hexadecane |
|---|---|---|---|---|
| Blank | Angle(°) | 90 | 30 | 30 |
| MODIPER® F206 | Angle(°) | 110 | 75 | 70 |
