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A light-weight, high-strength, marine-climate-resistant composite thermal insulation material and its preparation method

A technology for marine climate and thermal insulation materials, applied in chemical instruments and methods, synthetic resin layered products, layered products, etc., can solve the problem of not being waterproof and oil-proof, completely sealed, and unable to achieve high compressive strength. and other problems, to achieve the effect of improving the compressive strength, the bonding method is simple and reliable, and the production method is simple and easy to implement.

Active Publication Date: 2020-01-31
SHANGHAI AEROSPACE CHEM ENG INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The structure is compounded by lamination and fasteners, which is simple and shock-resistant, but high compressive strength cannot be achieved in the technical route, and complete sealing cannot be guaranteed between layers, and the waterproof and oil-proof effect cannot be achieved.

Method used

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  • A light-weight, high-strength, marine-climate-resistant composite thermal insulation material and its preparation method
  • A light-weight, high-strength, marine-climate-resistant composite thermal insulation material and its preparation method

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Embodiment Construction

[0027] figure 1 It is a structural schematic diagram of a preferred embodiment of the present invention. It can be seen that a lightweight high-strength composite heat insulating material includes a thermoplastic resin impregnated carbon ablation body 4, an adhesive 3, silicone rubber 2 and a reflective heat insulating coating Layer 1: The thermoplastic resin impregnated carbon ablation body is quartz fiber reinforced resorcinol-formaldehyde type phenolic airgel. The adhesive is heat-resistant silicone adhesive; the silicone rubber is peroxide-cured high-temperature vulcanized silicone rubber, and the base is methylphenyl silicone rubber; the reflective heat-insulating coating is polymethylsiloxane resin-based heat-insulating coating.

[0028] Based on the applicant's consideration of factors such as resin concentration, resin / catalyst ratio, and fiber type, the preferred resorcinol-formaldehyde reactant concentration is 0.5 g / mL, and the curing agent ratio is 6:1. By contro...

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Abstract

The invention relates to a lightweight high-strength composite heat-insulating material which is sequentially composed of a thermoplastic resin impregnation carbon ablation block, a binder, silicon rubber and a reflective heat-insulating coating. One side of the silicon rubber and the thermoplastic resin impregnation carbon ablation block are sealed by adopting the binder and fixed through a die,the reflective heat-insulating coating is sprayed on the surface of the other side of the silicon rubber fully, and standing is performed for curing and forming. A preparation method of the compositeheat-insulating material includes: selecting and preparing the thermoplastic resin impregnation carbon ablation block, the binder, the silicon rubber and the reflective heat-insulating coating; brushing the binder on the surface of the silicon rubber, and allowing sufficient curing; completely sealing the silicon rubber coated with the binder, and vulcanizing; spraying the heat-insulating coatingon the surface of the silicon rubber, and allowing curing. The composite heat-insulating material is excellent in heat-insulating performance and high in compressive strength and has the advantages oflow density, waterproofness, oilproofness and high resistance to salt mist, high-and-low-temperature alternation and dampness and heat.

Description

technical field [0001] The invention relates to a heat-insulating material, in particular to a light-weight, high-strength, marine-climate-resistant composite heat-insulating material and a preparation method thereof. Background technique [0002] Super heat insulation materials can achieve better heat insulation effect with lighter weight and smaller volume. It is the first heat insulation material used in marine ships, aerospace military industry, petrochemical industry, power energy storage, urban heating network and other fields . [0003] However, for working conditions such as aerospace and marine environments that require high pressure, water and oil resistance, and salt spray resistance, humidity resistance, and high and low temperature changes, it is often impossible to directly use airgel materials. It is necessary for us to study the structure and properties of composite insulation materials with aerogels and similar materials such as thermoplastic resin impregna...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B25/00B32B25/08B32B27/42
CPCB32B25/00B32B25/08B32B27/42
Inventor 朱小飞潘鹤斌杨科李东张斌赵军何德伟黄洪勇吴战武沈伟民干效东
Owner SHANGHAI AEROSPACE CHEM ENG INST
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