Sterilant degrading polymeric material

Details Sterilant degrading polymeric material Sterilant degrading polymeric material

1996-07-12

2000-10-17

Reddick, Judy M.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

B29D 2200

Patent

active

061328251

ABSTRACT:
A polymeric material integrated with a metal catalyst for promoting the degradation of a sterilants such as hydrogen peroxide and ozone. Examples of possible polymeric materials are PET, COPET and any mixture thereof. The polymer materials are usually configured into containers for aseptic processing. The metal catalyst may be selected from the group consisting of iron, cobalt, nickel, ruthenium, palladium, osmium, iridium, platinum, copper, manganese, salts thereof, oxides thereof and mixtures thereof. The metal catalyst is less than ten percent of the total weight of the modified polymeric material. The metal catalyst may be a plurality of nanosize particles or microsize particles. The metal catalyst may also be applied as a thin film onto a polymeric resin for absorption thereby. The sterilants usually become entrapped in amorphous zones of the polymeric material which results in higher than acceptable levels of sterilants in the containers. The novel polymeric material allows for application of a sterilant in the vapor phase, and substantially reduces the residence time of the sterilant as a container undergoes aseptic processing thereby expediting the aseptic process.

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