Velvetol®
CAS Number: 345260-48-2
Empirical formula: (C3H6O)nH2O
Chemical name: 1,3-poly-propanediol; po3g
Velvetol® is a family of high-performance polyether polyols based on renewable feedstock.
Thanks to its outstanding characteristics, it can act as an ideal replacement for petroleum-based polyols. Velvetol® offers improved flexibility at low temperatures, without compromising functionality, while increasing the renewable content of your final products, providing easier handling and processing than common alternatives.
Helping you and your customers to meet the increasing global need for more sustainable products, Velvetol® has a significantly lower environmental footprint compared to petrochemical alternatives such as poly-(tetramethylene-ether) glycol (PTMEG)
100% bio-based
Available in various molecular weights
High reactivity
Provides good hydrolysis resistance
Allows high abrasion resistance in final PU parts
Leads to high flexibility PU formulations, especially at low temperatures vs. PTMEG
Generates improved softness in PU formulations
Leads to improved overall toughness in PU parts
Lower viscosity and melting point vs. PTMEG lead to improved processing and handling
In comparison to the production of petroleum-based PTMEG (evidenced by a peer-reviewed ISO 14000-compliant life cycle assessment), Velvetol® offers up to:
- Up to 50% reduced global warming potential
- Up to 33% reduced non-renewable energy consumption
Thermoplastic Polyurethane Elastomers (TPU)
Polyurethane Dispersions (PUDs)
Polyurethane Thermoset Elastomers
Spandex
Copolymers - COPE/-PA
PU foams
TPU waterproof breathable films and yarns
Synthetic leather
Coatings for electronics, leather, textile, paper, wood, concrete floors, etc.
Binders
Lubricants
Shoes & Textiles
Adhesives & Sealants (construction, textiles, electronics, etc.
- 180 kg drums
- Samples available in 1kg vials and 10kg drums
|
Properties |
Units |
H250 |
H500 |
H1000 |
H2000 |
H2700 |
|
Content |
% |
100 |
100 |
100 |
100 |
100 |
|
Molecular weight |
Dalton |
200-300 |
400-600 |
900-1100 |
1900-2100 |
2600-2800 |
|
Hydroxyl no. |
mg KOH/g |
370-550 |
280-187 |
125-102 |
59.1-53.4 |
43.2-40.1 |
|
Controlled Polymerization Rate |
meqKOH/30 kg ppm |
-2.0 - +2.0 <5 |
-2.0 - +2.0 <5 |
-2.0 - +2.0 <5 |
-2.0 - +2.0 <5 |
-2.0 - +2.0 <5 |
|
Acid no. |
mg KOH/g |
<0.05 |
<0.05 |
<0.05 |
<0.05 |
|
|
Na metal content |
ppm |
<10 |
<10 |
<10 |
<10 |
<10 |
|
Peroxide content |
ppm |
<10 |
<10 |
<10 |
<10 |
<10 |
|
Water |
ppm |
<500 |
<500 |
<500 |
<500 |
<500 |
|
Color |
max. 50 |
max. 50 |
max. 50 |
max. 50 |
max. 50 |
max. 120 |
|
Viscosity (40°C) |
mPas |
40-60 |
90-120 |
200-300 |
750-900 |
1550-1850 |
|
Density (40°C) |
g/ml |
1.03 |
1.020 |
1.018 |
1.016 |
1.016 |
|
Melting point |
°C |
<0 |
0-5 |
12-14 |
16-18 |
22-25 |
