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Lubrizol Advanced Materials Pearlstick® 45-90/03 Polycaprolactone based TPU

Category Polymer , Thermoplastic , Polyurethane, TP
Manufacturer Lubrizol Advanced Materials Manufacturing S. S.L. (Former Merquinsa)
Trade Name Pearlstick®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Lubrizol Advanced Materials Pearlstick® 45-90/03 Polycaprolactone based TPU.pdf
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Material Notes:
Pearlstick 45-90/03 is an elastic, linear, aromatic polyurethane, supplied in form of white spherical granules with a small amount of anti-adherent in the formulation. It has a low crystallization rate and a low thermoplasticity level. Solubility: Pearlstick 45-90/03 is soluble in Acetone, Methyl Ethyl Ketone (MEK), Cyclohexanone, Dimethyl Formamide, and Tetrahydrofurane (THF). The solvents and diluents should be water-free (max. 0.1 %), so as to avoid subsequent side reactions during crosslinking with isocyanate. It should be dissolved in closed tanks, and the use of a variable speed agitator is advisable. The final viscosity fies can vary, depending on the stirring process and on the solvent/diluents ratios Applications: Pearlstick 45-90/03 is used for the production of adhesives for different kinds of materials such as leather, textiles, rubber and a variety of plastics (plasticized PVC, PU elastomers, etc.). Pearlstick 45-90/03 enables the production of adhesives with high solids content and low viscosity, which have a very long open-time, which makes them advisable for the shoe industry, as one- or two-component adhesives. The addition of a polyfunctional isocyanate to improves the heat-resistance and the strength of the joints.Information provided by Merquinsa
Physical Properties Metric English Comments
Density 1.19 g/cc
0.0430 lb/in³
ISO 2781
Brookfield Viscosity 150 - 450 cP
150 - 450 cP
Brookfield RVF sp 2, 20 rpm, Solution 15% MEK (MQSA Nº 55 A); MQSA 40A
Processing Properties Metric English Comments
Processing Temperature 40.0 °C
104 °F
Min. Activation Temp; EN 12961
Descriptive Properties Value Comments
Crystallization Rate (MQSA n° 12 A) LOW
Hydrolysis Resistance Good
MQSA 34B
Hydroxyl Number 0.1%
MQSA 47A
Solubility - Acetone / Ethyl Acetate 60:40
Solubility - Acetone / Toluene 50:50
Solubility - MEK / Toluene 70:30
Solubility - MEK/ Ethyl Acetate 80:20
Thermoplasticity Range (MQSA n° 58) LOW
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