Method for salvaging the light-absorbing matrix and support of a

Details Method for salvaging the light-absorbing matrix and support of a Method for salvaging the light-absorbing matrix and support of a

1978-06-19

1979-08-21

Esposito, Michael F.

Coating processes

Electrical product produced

Fluorescent or phosphorescent base coating

427 68, 427 71, 427140, 427341, 427343, 427352, 427353, 427354, 427421, 427427, 134 29, B05D 310, B05D 300, B08B 308

Patent

active

041653963

ABSTRACT:
In a method for preparing a luminescent screen which includes depositing a light-absorbing matrix upon a support, depositing a phosphor-particle layer on the matrix and support, and then coating the phosphor-particle layer with a film of organic polymeric material, the steps for salvaging the support and matrix substantially undisturbed, while substantially entirely removing the overlying material. In the method, the overlying material is contacted with an alkaline aqueous solution until the organic polymeric film is at least partially solubilized. Then, the overlying material is substantially entirely flushed away.

REFERENCES:
patent: 2710286 (1955-06-01), Zachariason
patent: 3035909 (1962-05-01), Holt
patent: 3067055 (1962-12-01), Saulnier
patent: 3558310 (1971-01-01), Mayaud
patent: 3582389 (1971-06-01), Saulnier
patent: 3582390 (1971-06-01), Saulnier
patent: 3788846 (1974-01-01), Mayaud
patent: 4049452 (1977-09-01), Nekut

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