Process for the manufacture of a sheet or film made of polycarbo

Details Process for the manufacture of a sheet or film made of polycarbo Process for the manufacture of a sheet or film made of polycarbo

1991-04-01

1994-01-11

Beck, Shrive

Stock material or miscellaneous articles

Composite

Of polycarbonate

4284231, 427164, 4274121, 427421, B32B 2736, B05D 136

Patent

active

052779440

ABSTRACT:
A process for the manufacture of a plate, sheet or film made of an impact-resistant polymer having thereon a scratch-resistant flexible coating of transparent polyurethane is described comprising the steps of:

REFERENCES:
patent: 3388032 (1968-06-01), Saunders
patent: 3428609 (1969-02-01), Chilvers et al.
patent: 3447949 (1969-06-01), Singer
patent: 3499783 (1970-03-01), Nelson et al.
patent: 4268554 (1981-05-01), Gras
patent: 4657796 (1987-04-01), Musil et al.
patent: 4983461 (1991-01-01), Daude et al.
patent: 5141783 (1992-08-01), Corsi et al.

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