C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 3/10 (2006.01) C08K 5/00 (2006.01) C08L 27/06 (2006.01) C08L 23/22 (2006.01) C08L 93/04 (2006.01)
Patent
CA 2280084
The present invention relates to a sealing compound based on polyvinyl chloride plastisols, which is characterized in that it comprises from 0.1 to 40 % by weight, based on the overall weight of the sealing compound, of one or more adhesives. The present invention relates additionally to processes for preparing the sealing compound, to processes for producing closures, especially for the pressure-tight closing of packaging containers, using this sealing compound, and to such closures.
Composé d'étanchéité à base de plastisols au chlorure de polyvinyle. Ce composé se caractérise en ce qu'il contient entre 0,1 et 40 % en poids d'un ou de plusieurs adhésifs calculé sur la base du poids total du composé d'étanchéité. Cette invention concerne également des procédés de préparation du composé d'étanchéité, des procédés de production de dispositifs de fermeture et plus particulièrement des procédés de production de fermeture étanches à la pression pour des récipients d'emballage à l'aide du composé d'étanchéité et ces mêmes fermetures.
Nussen Peter
Peters Jens
Borden Ladner Gervais Llp
Ppg Industries Ohio Inc.
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