Catalyst for making polycarbonate diols for use in polycarbonate

Details Catalyst for making polycarbonate diols for use in polycarbonate Catalyst for making polycarbonate diols for use in polycarbonate

1977-11-29

1979-07-10

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of polyamidoester

428412, 428426, 428430, 528 85, 528 56, 528371, B32B 2740, C08G 1842, C08G 6362

Patent

active

041608534

ABSTRACT:
Energy-absorbing laminates for use in automobile windshields or other safety glass applications comprising a polycarbonate urethane and a sheet of glass are disclosed. The polyurethane is formed from a cycloaliphatic diisocyanate, a compound containing at least two active hydrogens per molecule and having a molecular weight below 250, and a polycarbonate diol prepared by the reaction of an aliphatic diol and a dialkyl carbonate using a titanium catalyst.

REFERENCES:
patent: 2720502 (1955-10-01), Caldwell
patent: 2729618 (1956-01-01), Muller
patent: 2808390 (1957-10-01), Caldwell
patent: 2901466 (1959-08-01), Kibler
patent: 3541183 (1970-11-01), Kallert
patent: 3764457 (1973-10-01), Chang
patent: 4024113 (1977-05-01), Ammons
patent: 4103070 (1978-07-01), Ammons
patent: 4105641 (1978-08-01), Buysch

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