C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 23/28 (2006.01) A61J 1/14 (2006.01) C08J 3/24 (2006.01) C08K 5/14 (2006.01) C08K 5/3492 (2006.01) C08K 5/372 (2006.01)
Patent
CA 2220327
Disclosed is a molded rubber part suitable for use in contact with a medical solution, such as a rubber closure or plug for a container for a medical solution or a rubber stopper for a plunger of a syringe for a medical solution. The molded rubber part has been obtained by molding and vulcanizing a halogenated butyl rubber, which contains fine powder of ultra-high- molecular-weight polyethylene added therein, in the absence of any zinc compound while using at least one 2-substituted-4,6-dithiol-s-triazine derivative or an organic peroxide.
On divulgue une pièce de caoutchouc moulée appropriée pour utilisation en contact avec une solution médicale, tel qu'une fermeture ou un bouchon de caoutchouc pour un contenant destiné à contenir une solution médicale ou la tête de piston en caoutchouc d'une seringue contenant une solution médicale. La pièce de caoutchouc moulée a été obtenue par moulage et vulcanisation d'un caoutchouc butyle halogéné, dans lequel on a ajouté une fine poudre de polyéthylène de poids moléculaire ultra élevé, en l'absence de tout composé de zinc, tout en utilisant au moins un dérivé de la 4,6-dithiol-s-triazine substitué en 2 ou un peroxyde organique.
Kawachi Yasushi
Muraki Tomoyasu
Sudo Morihiro
Daikyo Seiko Ltd.
Marks & Clerk
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