Light weight ablative materials
OwnerDavid Kemmish, Richard Thomas Leibfriedinventors
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Abstract
The present invention is directed to the use of thermoplastic composite materials as ablative materials. It has been found that thermoplastic materials, reinforcing additives, a mineral, and optionally a foaming agent when combined produce an ablative material with good mechanical properties.
Claims25
An ablative material comprising a thermoplastic material, a reinforcing agent and a mineral.
An ablative material according to any preceding claim, wherein said reinforcing agent comprises organic and/or inorganic materials.
An ablative material according to any preceding claim, wherein said reinforcing agent is comprised of carbon fibres.
An ablative material according to any preceding claim, wherein said reinforcing agent is comprised of glass.
An ablative material according to any preceding claim, wherein said mineral is comprised of endothermically decomposing materials.
An ablative material according to any preceding claim, wherein said mineral is comprised of talc.
An ablative material according to any preceding claim, wherein said mineral is comprised of talc, vermiculite, mica, quartz, and/or combinations thereof and therebetween.
An ablative material according to any preceding claim, comprising 25 to 95 weight percent thermoplastic material, 3 to 70 weight percent reinforcing agent and 2 to 50 weight percent of a mineral.
An ablative material according to any preceding claim, comprising 40 to 80 weight percent thermoplastic material, 10 to 50 weight percent reinforcing agent, and 2 to 30 weight percent mineral.
An ablative material according to any preceding claim, comprising 48 to 70 weight percent thermoplastic material, 20 to 40 weight percent reinforcing agent, and 3 to 20 weight percent mineral.
An ablative material according to any preceding claim, comprising a foaming agent.
An ablative material according to any preceding claim, wherein said material is used for missile fins.
Dependencies are inferred from the claim text.