Thermoplastic polyurethane-polymer compositions and their prepar

Details Thermoplastic polyurethane-polymer compositions and their prepar Thermoplastic polyurethane-polymer compositions and their prepar

1975-02-18

1976-10-19

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08G 1862

Patent

active

039870120

ABSTRACT:
Thermoplastic polyurethane-polymer compositions having improved elastic properties are prepared by reacting hydroxylated diene polymers with diisocyanates in the presence of about 10 to 50% of a diamine, based on the total weight of hydroxyl-terminated diene polymer and diamine, said diamine being a mixture of disecondary diamines and secondary-tertiary diamines and said mixture comprising 1 to 10% secondary-tertiary diamines.

REFERENCES:
patent: 3119793 (1964-01-01), Inaba et al.
patent: 3427366 (1969-02-01), Verdol et al.
patent: 3582508 (1971-06-01), McIntosh
patent: 3661808 (1972-05-01), Kennedy
patent: 3674743 (1972-07-01), Verdol et al.
patent: 3846351 (1974-11-01), Huffaker et al.

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