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Ablative material with polymeric phosphorylated amide

A technology for phosphorylating amides and ablating materials, which is applied to household appliances, other household appliances, chemical instruments and methods, etc., can solve the problems of increasing the weight of the aircraft, complicating the installation of ablation materials, and increasing the extra cost of strain isolation pads.

Pending Publication Date: 2018-09-14
THE BOEING CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, rigid vehicle structures add additional vehicle weight
Strain isolation pads also add significant additional expense and can complicate installation of ablative materials

Method used

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  • Ablative material with polymeric phosphorylated amide
  • Ablative material with polymeric phosphorylated amide
  • Ablative material with polymeric phosphorylated amide

Examples

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Embodiment Construction

[0015] The illustrative embodiments recognize and take into account one or more different concerns. For example, the illustrative embodiments recognize and take into account that material additives may affect various material properties of a mixture. The illustrative embodiments recognize and take into account that it is desirable to have additives for ablative materials that maintain thermal protection properties of ablative materials while reducing stiffness.

[0016] The illustrative embodiments also recognize and take into account that additives are desirably mixed into the ablative material uniformly. Additionally, the illustrative embodiments recognize and take into account that additives are not expected to separate out after mixing.

[0017] The illustrative embodiments also recognize and contemplate that composite materials are tough, lightweight materials formed by combining two or more functional components. For example, composite materials may include reinforcing...

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Abstract

The invention relates to an ablative material with a polymeric phosphorylated amide. The ablative material comprises a phenolic resin, the polymeric phosphorylated amide, and a number of fillers. Thepolymeric phosphorylated amide is in the ratio of between 1 and 10 parts of the polymeric phosphorylated amide per 100 parts of phenolic resin or resin solids, by weight.

Description

technical field [0001] The present disclosure generally relates to ablative materials. More specifically, the present disclosure relates to ablative materials comprising polymeric phosphorylated amide. Background technique [0002] Ablative material protects structures from excessive heat by sacrificing material. Ablative materials are used in heat shields for vehicles that enter the atmosphere, such as lunar or planetary return vehicles, and can be used for any structure that is exposed to significant amounts of heat. [0003] Existing medium heat flux (400W / cm 2 -1500W / cm 2 ) ablative material is rigid and has low strain capability. The material properties of existing medium heat flux ablative materials may lead to undesirable performance conditions during deformation of an aircraft or other structure. [0004] Existing higher flexible ablators provide lower levels of thermal protection than conventional medium heat flux ablative materials. The desired level of therm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L61/06C08L79/06C08K7/10C08K7/06C08K3/36
CPCB32B27/42C08F220/16C08F220/54C08K5/105C08K5/107B29B7/00B32B2307/581B32B2307/58B32B5/08C08L61/06C08L2205/025C08L2205/18C08L79/06C08K7/10C08K7/06C08K3/36B64G1/58C08L61/04B32B17/10724C08L79/04B29C67/24B29K2061/04B32B27/08B32B27/20B32B27/34B32B2262/106B32B2262/108B32B2264/0214B32B2264/102B32B2307/306B32B2571/00B32B2605/18
Inventor M·L·查菲A·罗约
Owner THE BOEING CO
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