Apparatus intended to contain hydrofluoric acid, with a metal wa

Details Apparatus intended to contain hydrofluoric acid, with a metal wa Apparatus intended to contain hydrofluoric acid, with a metal wa

1990-06-11

1993-08-17

Thibodeau, Paul J.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

2065242, 2065243, 2065244, 220454, 220470, 220DIG24, 428403, 428465, 428328, B32B 516

Patent

active

052367509

ABSTRACT:
The present invention relates to protection against the corrosive action of hydrofluoric acid.
According to the invention it has been found that a material consisting of an elastomeric substrate or matrix and a filler of metal particles dispersed in the substrate, of a metal which can be oxidized by ionized hydrofluoric acid, can limit or prevent the diffusion of hydrofluoric acid.
The materials according to the invention can be employed in all the suitable forms, especially as sheets, for protecting metal walls.

REFERENCES:
patent: 3659108 (1972-04-01), Quase
patent: 3896963 (1975-07-01), Schisler
patent: 4140172 (1979-02-01), Corey
patent: 4965102 (1990-10-01), Inai et al.
Ullmans Encyklopadie der Technischen Chemie, Band 11, 1976, p. 602.

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