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A light porous melamine resin transboundary capture material and its preparation process

A technology of transboundary capture material and melamine resin, which is applied in the field of lightweight porous melamine resin transboundary capture material and its preparation, can solve the problem that it is difficult to meet the requirements of EMAS materials, and overcome the flammability and resistance of general sprayed organic matter. Good frost resistance and antifreeze performance

Active Publication Date: 2017-12-19
朱晓燕
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to flammability, it is difficult to meet the requirements of EMAS materials

Method used

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  • A light porous melamine resin transboundary capture material and its preparation process
  • A light porous melamine resin transboundary capture material and its preparation process

Examples

Experimental program
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Effect test

Embodiment 1

[0055] A preparation process for a lightweight porous melamine resin transboundary capture material, comprising the following steps:

[0056] 1) Preparation of suspension: Dissolve 100 parts by weight of melamine formaldehyde resin in 33.3 parts by weight of water, add 300 parts by weight of a mixture of petrolatum and montmorillonite, 15 parts by weight of alkylphenol polyoxyethylene ether, 60 parts by weight of n-pentyl Alkanes and normal hexane mix blowing agent, 22 parts by weight of sulfuric acid by 1:1, stir and mix uniformly to form stable slurry, the particle diameter of described stone fat and montmorillonite is 1mm, and described melamine formaldehyde resin is melamine, The precondensate of formaldehyde, the molar ratio of melamine and formaldehyde is 1:1 when it is synthesized;

[0057] 2) Put the slurry prepared in step 1) in a 2450MHz tunnel-type microwave heating furnace at a temperature of 80°C, foam and solidify for 1.8 hours, and the slurry undergoes a curing ...

Embodiment 2

[0063] A preparation process for a lightweight porous melamine resin transboundary capture material, comprising the following steps:

[0064] 1) Preparation of suspension: Dissolve 100 parts by weight of melamine formaldehyde resin in 33.3 parts by weight of water, add 400 parts by weight of a mixture of vermiculite and illite, 20 parts by weight of fatty acid polyethylene glycol ether, 70 parts by weight of petroleum ether, 25 parts by weight part formic acid, stirring and mixing uniformly to form stable slurry, the particle diameter of described vermiculite and illite is 0.5mm, and described melamine-formaldehyde resin is the precondensate of melamine, formaldehyde, and the mol ratio of melamine and formaldehyde is 2 during its synthesis :1;

[0065] 2) Put the slurry prepared in step 1) in a 2000MHz tunnel-type microwave heating furnace at a temperature of 75°C, foam and solidify for 2 hours, and the slurry undergoes a curing reaction to form a lightweight porous material, ...

Embodiment 3

[0071] A preparation process for a lightweight porous melamine resin transboundary capture material, comprising the following steps:

[0072] 1) Preparation of suspension: Dissolve 100 parts by weight of melamine formaldehyde resin in 33.3 parts by weight of water, add 500 parts by weight of a mixture of allophane and apophyllite, 25 parts by weight of alkyltrimethylammonium salt, and 80 parts by weight of n-hexyl Alkane, 28 parts by weight of acetic acid, stirred and mixed uniformly to form a stable slurry, the particle diameter of the allophane and apophyllite is 0.1mm, and the melamine-formaldehyde resin is a precondensate of melamine and formaldehyde, and melamine is synthesized The molar ratio with formaldehyde is 3:1;

[0073] 2) Put the slurry prepared in step 1) in a 915MHz tunnel-type microwave heating furnace at a temperature of 75°C, foam and solidify for 2 hours, and the slurry undergoes a curing reaction to form a lightweight porous material, which is then dried n...

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Abstract

A lightweight porous melamine resin overrun capture material and a preparation process therefor, comprising the following steps: preparing a suspension: evenly mixing a crystallisation water mineral powder, a melamine formaldehyde resin, a surfactant and a curing agent according to proportions, and forming a stable slurry; heating the slurry prepared via step 1) to 70℃-85℃, rapidly adding a foaming agent, and curing the slurry to form a lightweight porous material; drying the lightweight porous material obtained in step 2); performing thermal cutting on the lightweight material obtained via step 3) according to size requirements to prepare a finished product. The prepared capture material has good anti-freezing performance, and overcomes the defect that general organic matter for spraying is flammable.

Description

technical field [0001] The invention relates to the field of novel materials, in particular to a lightweight porous melamine resin transboundary capture material and a preparation process thereof. Background technique [0002] Aircraft stalling off the runway during takeoff and landing often leads to serious aviation accidents. In order to avoid such aviation accidents, active and passive capture methods can effectively prevent aircraft from rushing out of the runway safety zone and reduce accidents. Among them, the active capture adopts the aircraft parachute and hook lock system. This method is suitable for military aircraft with relatively small volume, more frequent takeoffs and faster speed. For large-scale civil aircraft, it is commonly used in the world to install the characteristic material arresting system (EMAS) at the end of the runway. [0003] The main functional unit of a performance material arresting system is the arresting bed. At present, the unit materi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L61/28C08L71/02C08K3/34C08K5/19C08K3/22C08J9/14C08J9/10
CPCC08J9/10C08J9/14C08K3/22C08K3/34C08K5/19C08L61/28C08L71/02
Inventor 朱晓燕
Owner 朱晓燕
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