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US 6,713,411 B2Granted
Chemical resistant, water and dry particle impervious, flame resistant laminate
AssigneePrecision Fabric Group
InventorsWilliam C. Cox, Philip E. Harris
Life of this patent
Estimating the term…
Abstract
Disclosed is a laminate having flame and chemical resistance, which may be used to form protective fabrics. The laminate contains a first layer of a spunlace fabric having a fire retardant additive applied thereto; and a second layer of a polymeric film.
Claims12
A laminate comprising:
- (a) a first layer of a nonwoven fabric having a fire retardant additive applied thereto, wherein the nonwoven fabric is spunlace fabric;
- and
- (b) a second single layer containing a halogenated flame resistant polymeric film, wherein the film consists of one of polyvinyl chloride, polyvinyl bromide, and polyvinylidene chloride,
- wherein the laminate passes NFPA 701-1989, has at least 12.0 lbs of grab tensile according to INDA IST 110.3-92, and has a Suter hydrostatic head of at least 50 cm.
1 more element
A laminate comprising:
- (a) a first layer of a spunlace fabric containing cellulose and manmade fibers, the first layer having a fire retardant additive applied thereto;
- and
- (b) a second layer of a polyvinyl chloride film,
- wherein the laminate passes NFPA 701-1989, has at least 12.0 lbs of grab tensile according to INDA IST 110.3-92, and has a Suter hydrostatic head of at least 50 cm.
1 more element
A laminate comprising:
- a first layer of a nonwoven fabric having a fire retardant additive applied thereto, wherein the nonwoven fabric is chosen from spunlace fabrics, spunbond fabrics, resin bonded fabrics, thermal bonded fabrics, airlaid pulp fabrics, and stitchbonded fabrics;
- and
- a second layer of a halogenated polymeric film, wherein the laminate has a total thickness ranging from about 0.005 to about 0.05 inches.
Dependencies are inferred from the claim text.