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US 7,404,989 B2Granted
Composite article and its manufacture
AssigneeMilliken & Company
InventorDany Felix Maria Michiels
Life of this patent
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Abstract
A composite article is provided which comprises a silicone rubber matrix reinforced with a polyaramid textile. The polyaramid textile is bonded to the silicone rubber by a bonding composition that comprises at least an acryloxy organosilane. The article is manufactured by dipping polyaramid textile into an organosilane dip that comprises an acyrloxy organosilane. The so-dipped polyaramid textile is then bonded to silicone rubber.
Claims7
A process for manufacturing a polyaramid reinforced silicone rubber article comprising the steps in order of:
- a) selecting a polyaramid textile, the polyaramid textile being a weft insertion warp knit fabric having polyaramid weft and/or warp yarns,
- b) activating the polyaramid textile with an epoxy compound,
- c) activating the polyaramid textile with a plasma,
- d) dipping the polyaramid textile into an organosilane dip comprising acryloxy organosilane, and
- e) bonding the dipped polyaramid textile to silicone rubber.
2 more elements
Dependencies are inferred from the claim text.