430161
Poly[4,4′-methylenebis(phenyl isocyanate)-alt-1,4-butanediol/polytetrahydrofuran]
pellets, MDI-polyether polyurethane.
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About This Item
Linear Formula:
(C15H10N2O2 · C4H10O2 · (C4H8O)nH2O)x
CAS Number:
MDL number:
UNSPSC Code:
12162002
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![Poly[4,4′-methylenebis(phenyl isocyanate)-alt-1,4-butanediol/di(propylene glycol)/polycaprolactone] pellets, MDI-polyester/polyether polyurethane.](/deepweb/assets/sigmaaldrich/product/structures/661/697/b23c24ce-15fb-4eae-a30f-786921d4c91e/640/b23c24ce-15fb-4eae-a30f-786921d4c91e.png)
abrasion resistance
20 mg (Taber, H-22 wheel)
form
pellets
melt index
40 g/10 min (224°C/1.2kg)
hardness
82 (Shore A, ASTM D 2240)
transition temp
Tg −40 °C (DSC)
softening point 85 °C (Vicat, ASTM D 1525)
density
1.13 g/mL at 25 °C
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Application
Automotive fascia, cable jackets, side trim, fabric laminates, health care tubing, catheters, transdermal patches and in seals casters, shoes, bushings and wheels.
Features and Benefits
Tough, high-performance, wear-resistant elastomer with good clarity, chemical resistance, flexibility and toughness. Can be used in current form or further polymerized.
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