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-

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neUrea Spinneret Diameter=0.15-'s subsections
-0.41 mm at Temp.>Required for (b)

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