Ptmeg polyurethane elastomers employing monofunctional...

Details Ptmeg polyurethane elastomers employing monofunctional... Ptmeg polyurethane elastomers employing monofunctional...

C - Chemistry, Metallurgy

08

G

C08G 18/48 (2006.01) C08G 18/12 (2006.01) C08G 18/28 (2006.01)

Patent

CA 2175402

The addition of minor quantities of a hydroxyl-functional polyoxyalkylene monol to a PTMEG- derived isocyanate-terminated prepolymer during pre- polymer preparation enables the preparation of glycol extended polyurethane elastomers which exhibit improved physical properties, particularly elongation, tensile strength, and tear strength, without significantly affecting elastomer hardness.

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