Polyurethane thermoplastic elastomer membrane for seat suspensio

Details Polyurethane thermoplastic elastomer membrane for seat suspensio Polyurethane thermoplastic elastomer membrane for seat suspensio

1997-03-27

1998-07-07

Brown, Peter R.

Chairs and seats

Bottom or back

Cushioned

525 66, 525 76, A47C 702

Patent

active

057757798

ABSTRACT:
A seat suspension membrane is provided which consists substantially of a biaxially oriented film of a polyurethane thermoplastic elastomer composition, which composition is characterized by substantially linear polymer molecules containing alternate rigid segments of diisocyanate short chain diol addition reaction products and flexible segments of relatively high molecular weight polyether diol or polyester diol segments and which is produced from a relatively soft film composition.

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