Fabric of high drapability, manufacture thereof, use thereof for

Details Fabric of high drapability, manufacture thereof, use thereof for Fabric of high drapability, manufacture thereof, use thereof for

1995-01-12

1997-06-10

Diamond, Alan D.

Bleaching and dyeing; fluid treatment and chemical modification

Cleaning or laundering

Removing formation impurities from artifical fiber

139389, 139420A, 28167, 2807281, 2807431, 428 361, 428902, 442189, 442208, D03D 300, D06B 100, B29D 2200

Patent

active

056371144

ABSTRACT:
A process for producing uncoated woven fabrics from synthetic yarn for an airbag comprises the steps of: (a) producing a woven fabric from high tenacity polyester filament yarn having a filament linear density of not more than 5 dtex, a yarn linear density within the range from 250 to 550 dtex, a hot air shrinkage at 200.degree. C. of less than 9% and a boil off shrinkage of less than 2%, (b) washing the fabric at temperatures of less than 60.degree. C., and (c) drying the washed fabric at temperatures of less than 170.degree. C. under conditions so that the dimensions of the fabric, based on its dimensions prior to washing, do not change at all or by less than 2% in warp and weft directions. The uncoated fabric obtained by this process is particularly suitable for making airbags and is notable for good drapability.

REFERENCES:
patent: 4921735 (1990-05-01), Bloch
patent: 5236775 (1993-08-01), Swoboda et al.
patent: 5356680 (1994-10-01), Krummheuer et al.
patent: 5477890 (1995-12-01), Krummheuer et al.

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