Main > TEXTILES > Fibers > Elastomer Fiber. > Spandex/Elastane PolyUrethane Fiber > Co.: USA. I (Producer/Patents) > Patent > Claims Etc > Claim 1 Reaction Extrusion Spinning > Process Mfg. PolyUrethaneUrea Fiber > (a) DiIsocyanate+PolyEther DiOl > (from Tetramethylene Glycol Etc.)= > Capped Glycol. (b) Capped Glycol+ > Aliphatic DiAmine Carbamate= > PolyUrethaneUrea. DiAmine Select: > 2-Methyl-1,5-PentaneDiAmine Etc. > & (c) Extrusion Spinning PolyUretha > neUrea Spinneret Diameter=0.15- > -0.41 mm at Temp.>Required for (b) > & Sufficient Thermally to Reform > PolyUrethaneUrea into Fiber Denier > =62-1840. Claim 2

---

=62-1840. Claim 2's subsections
Bis(4-IsocyanatoPhenyl)Methane

=62-1840. Claim 2's products
This section has no products