Barrier coating of an elastomer and a dispersed layered filler i

Details Barrier coating of an elastomer and a dispersed layered filler i Barrier coating of an elastomer and a dispersed layered filler i

1998-06-08

2000-07-11

Hoke, Veronica P.

Stock material or miscellaneous articles

Composite

Of silicon containing

427245, 4274123, 524441, 524446, 524447, 524448, 524449, 524450, 524791, 524836, 524856, 523166, C09D 102, C09D 502

Patent

active

060870168

ABSTRACT:
Barrier coating mixtures contain in a carrier liquid, (a) an elastomeric (preferably butyl-containing) polymer; (b) a dispersed exfoliated layered filler having an aspect ratio greater than 25; and (c) at least one surfactant, wherein the solids content of the mixture is less than 30% and the ratio of polymer (a) to filler (b) is between 20:1 and 1:1. Coated articles, which are rigid or flexible and elastomeric, and free-standing films and membranes, which are flexible and elastomeric, are produced using the barrier coating mixtures.

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