Compositions with improved sealing characteristics for...

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 33/08 (2006.01) B29C 45/00 (2006.01) C08K 3/36 (2006.01) C08K 9/04 (2006.01) C08L 5/12 (2006.01)

Patent

CA 2730081

The present invention relates to compositions with improved sealing characteristics for mold-in-place gaskets, and a process for forming a mold-in-place gasket by liquid injection molding. More particularly, the present invention relates to a mold-in-place gasket composition incorporating (meth)acrylate-functionalized silica, plasticizers, or both, with improved modulus and sealing properties, and a process for forming such mold-in-place gasket.

La présente invention concerne des compositions avec des caractéristiques d'étanchéité améliorées pour des joints d'étanchéité moulés en place et un procédé de fabrication d'un joint d'étanchéité moulé en place par moulage par injection de liquide. Plus particulièrement, la présente invention concerne une composition de joint d'étanchéité moulé en place incorporant de la silice fonctionnalisée (méth)acrylate, des plastifiants, ou ces deux composants, avec un module amélioré et des propriétés d'étanchéité améliorées et un procédé de fabrication d'un tel joint d'étanchéité moulé en place.

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