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涉及已用至少5 kGy辐照过的氟聚合物物品,其中这些得到的物品具有低水平的可浸出的或可引出的氟离子。来自该经辐照的物品的低氟离子迁移是由于在该氟聚合物组合物中存在低水平的金属盐或金属氧化物。该发明对于其中氟聚合物层与生物或药物流体相接触的、并且经受辐照灭菌的氟聚合物物品是特别有用的。(CN103597021A)
Relates to fluoropolymer articles which have been irradiated with at least 5 kGy, wherein the resulting articles have low levels of leachable or extractable fluoride ions. Low fluoride ion migration from the irradiated article is due to the low level of metal salt or metal oxide present in the fluoropolymer composition. This invention is particularly useful for fluoropolymer articles where the fluoropolymer layer is in contact with a biological or pharmaceutical fluid and is subjected to irradiation sterilization. (CN103597021A)