MALEIC-MODIFIED
PENTAERYTHRITOL
ESTER OF GUM ROSIN PR697
Maleic-modified pentaerythritol ester of gum rosin is obtained through the Diels-Alder reaction of gum rosin with maleic anhydride, followed by esterification with pentaerythritol.
PENTAERYTHRITOL
ESTER OF GUM ROSIN PR697
Maleic-modified pentaerythritol ester of gum rosin is obtained through the Diels-Alder reaction of gum rosin with maleic anhydride, followed by esterification with pentaerythritol.
They are hard resins and more polar than the straight rosin esters.
Technical Specifications & Typical Properties
| PROD. REF. | ACID VALUE (mg KOH/g) |
SOFTENING POINT (R&B) (°C) |
GARDNER COLOUR (50%, Toluene) |
|---|---|---|---|
| 697.1 | 10 – 25 | 105 – 115 | 12 max. |
