Heat-retaining moisture-transmissible water-resistant fabric

Details Heat-retaining moisture-transmissible water-resistant fabric Heat-retaining moisture-transmissible water-resistant fabric

1984-12-05

1985-12-31

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428215, 428246, 4283166, 4283157, 4283159, 4284233, B32B 702, B32B 326, B32B 2740

Patent

active

045621080

ABSTRACT:
A heat-retaining moisture-transmissible water-resistant fabric which comprises (i) a fibrous substrate, (ii) a discontinuous polymer layer or a polymer layer having a multiplicity of interconnecting fine pores (layer A), formed on at least one surface of the substrate, and (iii) a polymer layer (layer B) formed on layer A, layer B contains 15 to 70 wt. %, based on the polymer of the layer B, of heat ray-reflecting fine metal pieces and has a multiplicity of interconnecting fine pores communicating from the surface to the interior and also has on the surface thereof fine pores, most of which have a size not larger than 5 .mu.m. The fabric may comprise, in lieu of layer B, (iv) a microporous polymer film layer (layer C), formed on layer A and having a multiplicity of interconnecting fine pores communicating in all the direction in the interior of layer C, most of which have a size of at least 1 .mu.m, and (v) a polymer layer (layer D) containing 10-70 wt. % based on the polymer of the layer D, of a heat ray-reflecting fine metal pieces and having on the surface thereof fine pores having a size smaller than 0.5 .mu.m and also having fine pores communicating with said fine surface pores, most of which have a size not larger than 1 .mu.m.

REFERENCES:
patent: 3640829 (1972-02-01), Elton
patent: 3971315 (1976-07-01), Hansen
patent: 4258100 (1981-03-01), Fujitani et al.
patent: 4342811 (1982-08-01), Lopatin et al.
patent: 4429000 (1984-01-01), Naka et al.

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