Energy absorbing polyurethane-polyurea cellular elastomers

Details Energy absorbing polyurethane-polyurea cellular elastomers Energy absorbing polyurethane-polyurea cellular elastomers

1973-03-20

1976-02-17

Ivy, C. Warren

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

252182, 260 25AQ, 260 25BE, C08G 1814, C08G 1832, C08G 1848

Patent

active

039391060

ABSTRACT:
This invention relates to polyurethane-polyurea cellular elastomers having excellent energy absorbing properties over a wide temperature range and at various impact speeds and, more particularly, to the production of such elastomers by reacting a polymer polyol, an aromatic polyamine and, an aromatic glycol with an organic polyisocyanate. The elastomers are useful as energy absorbing components in automobile bumpers and the like.

REFERENCES:
patent: 3383351 (1968-05-01), Stamberger
patent: 3423344 (1969-01-01), Odinak
patent: 3575896 (1971-04-01), Khan
patent: 3580869 (1971-05-01), Rhodes
patent: 3586649 (1971-06-01), Cobbledick
patent: 3652639 (1972-03-01), Pizzini
patent: 3732176 (1973-05-01), Hostettler
patent: 3772222 (1973-11-01), Steward
patent: 3775350 (1973-11-01), Juhas
patent: 3816360 (1974-06-01), Taub
"Niax Polyol 31-45 A Vinyl-resin-reinforced Polyol for Flexible Urethane Foam"; Union Carbide Product Information Bulletin F-41322A, Feb. 1970; pp. 1-6.
Product Report Isonol C-100; The Upjohn Co.; Sept. 1, 1966, 1 p.

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