Ignition resistant meltbrown or spunbonded insulation material

Details Ignition resistant meltbrown or spunbonded insulation material Ignition resistant meltbrown or spunbonded insulation material

1993-07-28

1995-04-18

Withers, James D.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

2 1, 2 2, 2 69, 26421112, 26421113, 26421114, 29745216, 428284, 428288, 428296, 428297, 428303, 428408, 428903, 428920, 428921, B32B 506, B32B 522

Patent

active

054077397

ABSTRACT:
An ignition resistant fibrous material for use as insulation. The material comprises a multiplicity of meltblown or spunbonded thermoplastic filaments in combination with a multiplicity of nonlinear, nongraphitic carbonaceous fibers. The carbonaceous fibers have a Young's modulus of greater than 300,000 psi and reversible deflection ratio of greater than 1.2:1.

REFERENCES:
patent: 4118531 (1978-10-01), Hauser
patent: 4294876 (1981-10-01), Camden et al.
patent: 4433024 (1984-02-01), Eian
patent: 4681801 (1987-07-01), Eida et al.
patent: 4756941 (1988-07-01), McCullough et al.
patent: 4837076 (1989-06-01), McCullough, Jr. et al.
patent: 4879168 (1989-11-01), McCullough, Jr. et al.
patent: 4898783 (1990-02-01), McCullough et al.
patent: 5024877 (1991-06-01), McCullough et al.

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