Process for preparing a microfine fiber laminate

Details Process for preparing a microfine fiber laminate Process for preparing a microfine fiber laminate

1986-11-21

1988-07-12

Gallagher, John J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

128132D, 156 628, 156209, 156324, 428286, B32B 3120

Patent

active

047567864

ABSTRACT:
A water impervious laminated material is described. A preferred embodiment comprises a three-ply hydrophobic microfine fiber structure sandwiched between and fuse bonded to two layers of conjugate fibers having a low melting sheath and a high melting core. The inner ply of the hydrophobic microfine fiber structure is relatively high melting while the two outer plies of the hydrophobic microfine fiber structure film are low melting. The sheaths of the conjugate fibers have been fuse bonded to the hydrophobic microfine fiber structure at a temperature below the melt temperature of the cores of the conjugate fibers so that the cores retain their initial fiber-like integrity.

REFERENCES:
patent: 3026229 (1962-03-01), Wilcox
patent: 4508113 (1985-04-01), Malaney
patent: 4555811 (1985-12-01), Shimalla

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