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Lubrizol Advanced Materials Pearlstick® 45-60/18 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® 45-60/18 Polycaprolactone based TPU.pdf
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Material Notes:
Pearlstick 45-60/18 is an elastic, linear, aromatic polyurethane, supplied in form of white spherical granules with an extremely high crystallization speed and a low thermoplasticity level. Solubility: Pearlstick 45-60/18 is soluble in Acetone, Methyl Ethyl Ketone (MEK), Cyclohexanone, Dimethyl formamide, (DMF), Tetrahydrofurane (THF). Diluting solvents such as Toluene and Ethyl Acetate can be added. The solvents and diluents should be water-free (max. 0.1%), so as to avoid subsequent side reactions during crosslinking with isocyanate. Pearlstick 45-60/18 should be dissolved in closed tanks and the use of high shear equipments is advisable. The final viscosity fies can vary, depending on the stirring process and on the solvent/diluents ratios. Applications: Pearlstick 45-60/18 is used for the production of adhesives for bonding plasticized PVC to plasticized PVC or other materials such as leather, textiles, rubber, in the shoe industry. The adhesives based on Pearlstick 45-60/18 show. High green strength values. Easier heat activation (wide range of activation temperatures). Long and high hot-tack (tack retention). Pearlstick 45-60/18 may be suitable as a raw material for the production of one-component adhesivesInformation provided by Merquinsa
Physical Properties Metric English Comments
Density 1.19 g/cc
0.0430 lb/in³
ISO 2781
Brookfield Viscosity 1600 - 2000 cP
1600 - 2000 cP
Brookfield RVF sp 6, 20 rpm., Solution 15% MEK (MQSA Nº 55 A); MQSA 40A
Processing Properties Metric English Comments
Processing Temperature 50.0 °C
122 °F
Min. Activation Temp; EN 12961
Descriptive Properties Value Comments
Crystallization Rate (MQSA n° 12 A) EXTREMELY HIGH
Hydrolysis Resistance Good
MQSA 34B
Hydroxyl Number 0.1%
MQSA 47A
Solubility - Acetone / Ethyl Acetate 80:20
Solubility - Acetone / Toluene 70:30
Solubility - MEK / Toluene 80:20
Solubility - MEK/ Ethyl Acetate 85:15
Thermoplasticity Range (MQSA n° 58) LOW
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