Chemically stabilized film

Details Chemically stabilized film Chemically stabilized film

1987-09-17

1989-03-28

Herbert, Thomas J.

Stock material or miscellaneous articles

Composite

Of polyester

428483, 428520, 428522, 428523, B32B 2708, B32B 2736

Patent

active

048163430

ABSTRACT:
In a multilayer flexible film sutable for medical solution packaging, film-derived extractables are controlled by the use of a small amount of a high molecular weight stabilizer in the outer layer of the film. Solution pH can be controlled by the addition of a carbonate of an alkali metal to at least one intermediate adhesive layer and/or the core layer of the film.

REFERENCES:
patent: 4058663 (1977-11-01), Black
patent: 4188443 (1980-02-01), Mueller et al.
patent: 4528220 (1985-07-01), Hwo
patent: 4643926 (1987-02-01), Mueller

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