Method of producing a scratch resistant coating on a sheet of th

Details Method of producing a scratch resistant coating on a sheet of th Method of producing a scratch resistant coating on a sheet of th

1985-07-11

1987-07-14

Morgenstern, Norman

Coating processes

Optical element produced

Transparent base

427 541, 427209, 427370, 427371, B05D 506

Patent

active

046801987

ABSTRACT:
A three-dimensionally crosslinkable resin is applied to a sheet of thermoplastic material, and cured to form a scratch resistant coating on the sheet. The coated sheet is then subjected to the action of heat and uniform area pressure between polished surfaces. This pressing treatment results in an optically smooth surface of the coating.

REFERENCES:
patent: 2027688 (1936-01-01), Hagedorn
patent: 2589567 (1952-03-01), Nickerson
patent: 3019131 (1962-01-01), Haas
patent: 3081192 (1963-03-01), Idelson
patent: 3131088 (1964-04-01), Festag
patent: 4124672 (1978-11-01), Jarsen
patent: 4199421 (1980-04-01), Kamada et al.
patent: 4397923 (1983-08-01), Yasuda et al.
patent: 4544572 (1985-10-01), Sandvig

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