EVONIK DYNACOLL® Terra
DYNACOLL® 7000 & DYNACOLL® Terra building block systems of polyester-polyols are ideal raw materials for reactive hot melts. They are used in several industries, such as wood-working and automotive.
Form |
Grade* |
Proportion of Renewables【%】 |
Hydroxyl |
Acid |
Molecular |
Glass Transition |
Melting |
Softening |
Melt |
[mg KOH/g] |
[mg KOH/g] |
[g/mol] |
[℃] |
[℃] |
[℃] |
[Pa•s] |
|||
Amorphous |
7540 |
>35 |
40 |
≤2 |
2800 |
40 |
|
90 |
17 (130°C) |
Liquid |
7640 |
>75 |
30 |
≤2 |
3,500 |
-45 |
|
|
4 (80°C) |
Crystalline |
7750 |
100 |
30 |
≤2 |
3,500 |
-45 |
55 |
65 |
2 (80°C) |
Related products
REACTIVE HOLT MELT DATA
Reaction products of DYNACOLL® 7000 with: 4,4 – MDI as a ratio of OH : NCO = 1 : 2.2
Form |
Grade* |
Softening |
Open Time |
Setting Time |
130 °C |
Tensile Strength |
Elongation at Break |
[Parallel plate] |
|||||||
[℃] |
[s] |
[s] |
[Pa•s] |
[N/mm2] |
[%] |
||
Amorphous |
7540 |
100 |
1 |
<1 |
65 |
|
brittle |
Liquid |
7640 |
|
|
|
4 |
15 |
1,300 |
Crystalline |
7750 |
60 |
600 |
200 |
5 |
22 |
500 |