Impact-resistant thermoplastic polyester urethanes

Details Impact-resistant thermoplastic polyester urethanes Impact-resistant thermoplastic polyester urethanes

1972-11-30

1976-01-06

Cockeram, H. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 75NP, 260 775AN, 260 775NT, 296 84, 428425, C08G 1875, C08G 1842

Patent

active

039311139

ABSTRACT:
Polyester urethanes having superior properties for use in safety glass windshields are formed from (a) a hydroxy-terminated polyester of polycaprolactone, poly(butylene adipate), poly(butylene azelate) or mixtures; (b) a diol having a molecular weight less than 250, preferably 1,4-butanediol or 1,3-butanediol and (c) a cycloaliphatic diisocyanate.

REFERENCES:
patent: 3523101 (1970-08-01), Reuter
patent: 3591561 (1971-07-01), Kazama et al.
patent: 3620905 (1971-11-01), Ahramjian
patent: 3711440 (1973-01-01), Chadwick
patent: 3755262 (1973-08-01), Slagel
patent: 3764457 (1973-10-01), Chang et al.
patent: 3766148 (1973-10-01), Taub
patent: 3823060 (1974-07-01), McClung et al.

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