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Pnenolic aldehyde aluminium foil composite sandwich board and its production process

A technology of phenolic aluminum foil and sandwich panels, applied in the direction of layered products, metal layered products, chemical instruments and methods, etc., to achieve the effect of advanced technology, advanced formula and stable product quality

Inactive Publication Date: 2006-02-22
湖南中野高科技特种材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the large-scale promotion of phenolic foam sandwich panels in China is still the problem of brittleness and processability of phenolic foam.

Method used

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  • Pnenolic aldehyde aluminium foil composite sandwich board and its production process
  • Pnenolic aldehyde aluminium foil composite sandwich board and its production process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] The preparation of the foamed phenolic formaldehyde is as follows: 60 parts of formaldehyde; 40 parts of phenol; 3 parts of soda ash; 1 part of p-toluenesulfonic acid-hydrogenated aqueous solution are mixed uniformly and added to the resin storage tank.

[0048] Take 100 parts of foaming phenolic resin, 5 parts of methyl silicone oil and mix at high speed for 3 minutes, add 8 parts of foaming agent consisting of 70% n-pentane, 15% 2.2-methylbutane, 15% fluoroamine, 10 A curing catalyst consisting of 50% p-toluenesulfonic acid and 50% diethylene glycol, and 1 part of 300 mesh 50% boron powder and 300 mesh 50% glass fiber micropowder are mixed at high speed and injected into the foaming mold. Heat up to 65°C in the reaction curing oven for 5 minutes, stop the temperature after 40 minutes and cool naturally, take out the phenolic foam after 18 hours, place it for 24 hours and cut it, all of the above are by weight.

[0049] The industrial pure aluminum foil is degreased and ...

Embodiment 2

[0052] With embodiment 1. Only wherein the foaming agent is changed to 10 parts and consists of 60% n-pentane, 10% n-hexane, 10% 2.3-methylbutane, 15% cycloethane, and 5% fluoroamine. By weight.

Embodiment 3

[0054] With embodiment 1. Change the foaming process to 3 minutes to raise the temperature to 68°C, and stop the temperature after 35 minutes.

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PUM

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Abstract

The invention provides a pnenolic aldehyde and aluminum foil composite sandwich board and its preparing process, wherein the formulation comprises foamed phenol resin 100, auxiliary agent 4-8, foaming agent 5-20, solid hardening agent 5-15.

Description

technical field [0001] The invention relates to a formula and a production process of a phenolic aluminum foil composite sandwich panel. Background technique [0002] Phenolic aluminum foil composite sandwich panels are currently used in a wide range of applications: in central air-conditioning ducts, hot and cold pipelines, clean workshops, shopping malls, light-weight quick-loading rooms, cold storage, refrigerated trucks, wall insulation, fire door sandwich filling, Airplanes, ships, hotels and entertainment boxes, etc., which require the use of fireproof, light weight, heat preservation, sound insulation, clean, moisture-proof materials have a huge range of applications. [0003] Phenolic aluminum foil composite sandwich panel is favored by the construction industry for its excellent appearance decoration, excellent flame retardancy and low price. Research and development at home and abroad are very active. In the early stage, phenolic resin was mainly used, and wood po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J9/06B32B5/20B32B15/08
Inventor 刘洪瑞谢建军覃强
Owner 湖南中野高科技特种材料有限公司
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