Transparent, optically clear poly(lactone-urethane) interlayers

Details Transparent, optically clear poly(lactone-urethane) interlayers Transparent, optically clear poly(lactone-urethane) interlayers

1976-09-30

1978-04-18

Cockeram, H.S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260858, 260860, 260 775AT, 428425, C08G 1864, C08G 1865, C08G 1875, B32B 2740

Patent

active

040850927

ABSTRACT:
Energy-absorbing interlayers and glass laminates prepared therefrom for use as automobile windshields and other safety glass applications are disclosed. The interlayers are made from a poly(lactone-urethane) in which the molecular weight and structure of the lactone moiety is carefully controlled so as to get optimum energy-absorbing and optical properties.

REFERENCES:
patent: B474645 (1976-03-01), Chang
patent: 3186971 (1965-06-01), Hostettler et al.
patent: 3931113 (1976-01-01), Seeger et al.

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