Laminate and gas permeation module comprising two-component poly

Details Laminate and gas permeation module comprising two-component poly Laminate and gas permeation module comprising two-component poly

1991-05-08

1992-07-14

Kight, III, John

Stock material or miscellaneous articles

Composite

Of polyamide

428543, 427245, 528 60, 2521822, 25218222, B32B 904, B32B 2708, B32B 2734, B32B 2740

Patent

active

051302055

ABSTRACT:
A polyol is reacted with a polyisocyanate prepolymer to make a polyurethane. The polyol is the reaction product of trimethylol propane with ethylene oxide (1:3 molar). The polyisocyanate prepolymer is the reaction product of poly(ethylene adipate) with MDI. The novel polyurethane is stable in both aliphatic and aromatic hydrocarbons and is especially useful in bonding together laminates of nylon-supported permeable membranes. The laminates are used in modules for separation of hydrocarbon-containing gases.

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