Main > TEXTILES > Fibers > Elastomer Fiber. > Spandex/Elastane PolyUrethane Fiber > Co.: USA. I (Producer/Patents) > Patent > Claims Etc > Claim 1 PolyUrethaneUrea Viscosity- > Stable Soln. at 30-40% Solids of > PolyUrethaneUrea in Inert Organic > Solvent in Absence of Visc. Stabr., > WHEREIN PolyUrethaneUrea Reaction > Prodt.: Polymeric Glycol Selected: > Poly(TetramethyleneEther)Glycol & > Poly(TetramethyleneEther-Co-3-Me > -TetramethyleneEther)Glycol; > Bis(4-IsocyanatoCyclohexyl)Methane

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Bis(4-IsocyanatoCyclohexyl)Methane's subsections
Capping Ratio=1.5-3.0 &

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