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US 11,905,633 B2Granted
Functional nonwoven scrim for high temperature applications requiring low flammability, smoke, and toxicity
AssigneeZephyros, Inc.
InventorsGreg Thompson, Kendall Bush, Christophe Chaut, Marc Engel, Paul Lockyer, Michael Czaplicki
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Abstract
A nonwoven composite for high temperature applications requiring Sow flammability, smoke, and/or toxicity, including a fibrous structure having one or more nonwoven material layers including a scrim layer. The scrim is formed from inorganic fibers, at least some of which are adapted to withstand temperatures of up to about 1150° C. The scrim is formed from a wet-laying process. The composite further comprises one or more fiber matrix layers.
Claims20
An article comprising:
- a fibrous structure including;
- a scrim layer formed from a wet laying process;
- and
- a nonwoven web;
- wherein the scrim layer comprises inorganic fibers in an amount of about 65 wt % or greater, and a binder, wherein the binder is a solution or emulsion system that makes the scrim layer water repellent;
- wherein the inorganic fibers are adapted to withstand temperatures of up to about 1150° C.;
- and
- wherein the scrim layer has a weight per area of 5 grams per square meter to about 200 grams per square meter.
5 more elements
Dependencies are inferred from the claim text.