Composite material for balloon and balloon made thereof

Details Composite material for balloon and balloon made thereof Composite material for balloon and balloon made thereof

1991-10-31

1994-01-18

Epstein, Henry F.

Stock material or miscellaneous articles

Hollow or container type article

Nonself-supporting tubular film or bag

428 357, 428 344, 428446, 428448, 428451, 446220, 446222, A63H 306

Patent

active

052798739

ABSTRACT:
A composite material for a balloon having a transparency and a gas barrier, including a polymer base layer and a transparent thin layer of a silicon oxide provided on one surface of the polymer base layer, the silicon oxide layer having an atomic ratio of silicon to oxygen of 1:0.3 to 2. The composite material has a high degree of barrier to helium gas or hydrogen gas. A balloon produced from the composite material retains its buoyancy for a long period of time.

REFERENCES:
patent: 4552791 (1985-11-01), Hahn
patent: 4634395 (1987-01-01), Burchett
patent: 4684553 (1987-08-01), Sasaki
patent: 4847157 (1989-07-01), Goodman
patent: 5017254 (1991-05-01), Noguchi

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