- Foams
Desmophen® 1159 - for flexible slabstock foams
An inactive trifunctional polyether modified with a styrene-acrylonitrile (SAN) polymer. It is specifically designed for the production of conventional flexible slabstock foams with enhanced loadbearing properties. It exhibits a broad processing range and allows the use of most commercially available silicone surfactants and tertiary amine catalysts. Hydroxyl Number ca. 44 mg KOH/g
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About
Product Types
No data available
Material
- Foams
- Slabstock
General Characterization
DESMOPHEN® 1159 is an inactive trifunctional polyether modified with a styrene-acrylonitrile (SAN) polymer. It is specifically designed for the production of conventional flexible slabstock foams with enhanced loadbearing properties. It exhibits a broad processing range and allows the use of most commercially available silicone surfactants and tertiary amine catalysts.
Storage Conditions
Recommended storage temperature (°C): 10 - 35
Shelf life (ex works)
12 months if stored in sealed, moisture-tight containers
Partially used containers should be tightly resealed due to the hygroscopic nature of the product.
Recommended temperature for processing (°C): 20 - 25.
Shelf life (ex works)
12 months if stored in sealed, moisture-tight containers
Partially used containers should be tightly resealed due to the hygroscopic nature of the product.
Recommended temperature for processing (°C): 20 - 25.
Sampling
Moisture access must be prevented when taking product samples.
Packaging Type
No data available
Technical Properties & Datasheets
Characteristics
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Appearance | PET-03-04 | opaque white liquid | |
| TDI basic value | pbw Desmodur® T on100 pbw Desmophen® 1159 | 6.7 | |
| Density 25 °C | DIN 51757 | g/cm³ | 1.022 |
Specifications
| Property Name | Test Method | Unit | Value |
|---|---|---|---|
| Hydroxyl number | PET-11-01 | mg KOH/g | 41.5 - 45.5 |
| Viscosity 25 °C | PET-10-01 | mPa*s | 780 - 1020 |
| Water content | PET-19-01 | % by wt. | ≤ 0.10 |
| Water content | PET-19-01 | % by wt. | ≤ 0.10 |
| Hydroxyl number | PET-11-01 | mg KOH/g | 41.5 - 45.5 |
| Viscosity 25 °C | PET-10-01 | mPa*s | 780 - 1020 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
