Main > TEXTILES > Fibers > Elastomer Fiber. > Spandex/Elastane PolyUrethane Fiber > Co.: USA. I (Producer/Patents) > Patent > Claims Etc > Claim 1 PolyUrethaneUrea Polymer: > Prodt.: i) Polymeric Glycol; ii) > DiIsocyanate Compn Contg > One > OrthoAlkyl-MDI Select Formula I ## > STR2## (> 20%), iii) Chain Extender > Compn.: Bulky Diamine Selected: > 2,2-DiMe 1.3-PentaneDiamine Etc > (> 80%). Polyurethaneurea is > Amide Soluble. Claims 2,3:
Amide Soluble. Claims 2,3:'s subsections
OrthoAlkyl-MDI is Selected:
Amide Soluble. Claims 2,3:'s products
This section has no products