Synthesis of Polyether Polyurethane Prepolymer For PU Plate
- Min. Order:
- 1000 Kilogram
- Min. Order:
- 1000 Kilogram
- Transportation:
- Ocean
- Port:
- Shanghai
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Contact Now| Place of Origin: | China |
|---|---|
| Productivity: | 10000 tons/year |
| Supply Ability: | 100000 tons/year |
| Payment Type: | L/C,T/T,D/P |
| Incoterm: | FOB,CIF |
| Transportation: | Ocean |
| Port: | Shanghai |
Polyseter Prepolymer For Ring
1.Description: This product is a polyether polyurethane prepolymer synthesized by polyether polyol and toluene diisocyanate (T-80).
2.Characteristics: water resistance, low temperature resistance, mold resistance
3.Uses: glue sticks, plate rods, sealing rings and other products
4. Characteristics of stock solution:
|
Name of products
|
Appearances
|
Viscosity(mPa.s/85℃)
|
NCO% content
|
Package(kg)
|
|
XCPU-P345T |
liquid |
280-300 | 4.50-4.70 | 20/200 |
5. Operation process:
The prepolymer is preheated at 80~85 °C, and after vacuum degassing, it is mixed and stirred with the molten MOCA, degassed, poured, molded, vulcanized molding, demolded, and vulcanized after the product.
6. Reaction parameters:
|
Items
|
Moca Ration(%)
|
Gel Time(min)
|
Mixng
Temperature(℃)
|
Post-cure Time(h)
|
|
Parameter
|
12.8-13.3
|
3.5-4.0
|
80/120
|
10 |
Polyether Polyurethane Prepolymer
7. Product performance:
|
Items
|
Hardness(ShoreA)
|
Tensile
Strength(MPa)
|
Tear
Strength(KN/m)
|
Rebound(%)
|
|
Physical
Propertiesr
|
85 | 20-22 | 50-60 | 27 |
Prepolymer For Pu Plate
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