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US 8,007,630 B1Granted
Method of multilayer film dry lamination of airbag fabrics
AssigneeMilliken & Company
InventorsRamesh Keshavaraj, Dany F. Michiels
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Abstract
An inflatable automotive protective cushion and method of formation. The protective cushion includes a multilayer film coating with an adhesive layer and an overlying barrier layer. The adhesive layer is adapted to bond to a textile substrate and the barrier layer is adapted to block air permeability.
Claims16
A method of manufacturing an inflatable automotive protective cushion comprising melt bonding a multi-component film to a woven or non-woven textile substrate, wherein the multi-component film comprises:
- (a) at least one thermoplastic adhesive polymeric layer wherein the adhesive polymeric layer is in contacting relation to the textile substrate and wherein the adhesive polymeric layer comprises a co-polyamide based resin;
- and,
- (b) a barrier layer wherein the barrier layer is the outermost layer of the multi-component film;
- wherein the adhesive polymeric layer has a melting point at least 30° C. lower than the melting point of the barrier layer, and wherein the adhesive polymeric layer has a thickness in the range of 10 to 75 μm.
1 more element
Dependencies are inferred from the claim text.