Anti-fogging structural sheet

Details Anti-fogging structural sheet Anti-fogging structural sheet

1987-01-02

1990-04-03

Lusignan, Michael

Stock material or miscellaneous articles

Composite

428412, 427322, 427359, 427369, B32B 904

Patent

active

049139673

ABSTRACT:
The present invention discloses a process for treating plastic structural sheets with a long lasting surfactant. The process encompasses exposing the surface of the sheet to a saturated solution of long lasting surfactant while the surface of the sheet is still tacky. A series of rollers forces the surfactant into the surface and distribute the surfactant uniformly across the sheet.

REFERENCES:
patent: 4173490 (1979-11-01), Rotenberg et al.
patent: 4267215 (1981-05-01), Riggs
patent: 4323597 (1982-04-01), Olson
patent: 4673708 (1987-06-01), Rock et al.
patent: 4792492 (1988-12-01), Lee
Polygal advertising literature, especially p. 7, literature from General Electric.

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