EVOH BARRIER FILM WITH REDUCED AUTOCLAVE SHOCK

The presently disclosed subject matter is directed to a barrier film that maintains an oxygen barrier after being subjected to autoclaving conditions. The film comprises one EVOH layer positioned as a core layer, and one EVOH layer positioned directly adjacent to an outer layer comprising highly per...

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Bibliographic Details
Main Authors MUELLER, WALTER B, THOMPSON, PATRICK W
Format Patent
LanguageEnglish
French
German
Published 08.04.2015
Subjects
BABY COMFORTERS
CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICALPURPOSES
DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY
DEVICES FOR RECEIVING SPITTLE
DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGINGPHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL ORADMINISTERING FORMS
HUMAN NECESSITIES
HYGIENE
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
MEDICAL OR VETERINARY SCIENCE
PERFORMING OPERATIONS
TRANSPORTING
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Summary:The presently disclosed subject matter is directed to a barrier film that maintains an oxygen barrier after being subjected to autoclaving conditions. The film comprises one EVOH layer positioned as a core layer, and one EVOH layer positioned directly adjacent to an outer layer comprising highly permeable material having a moisture vapor permeability greater than about 40 g-mil/100 in2-day-atm. During autoclaving, the barrier properties of the EVOH layer positioned adjacent to the outer layer allows improved recovery of oxygen barrier properties. In addition, during rewetting applications, the internal EVOH layer maintains the oxygen barrier. Also disclosed are methods of making and using the disclosed barrier film.
Bibliography:Application Number: EP20090770540