EPS (expandable polystyrene) fireproof thermal-insulating plate

A technology of fire-proof insulation boards and particles, which is applied in the directions of heat preservation, fire prevention, building components, etc., to achieve the effects of good waterproofness, improved tensile strength, and superior environmental performance.

Inactive Publication Date: 2012-12-05
CHONGQING LONGZHE HIGH TECH MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there are many flame-retardant EPS insulation boards on the market. The method is to melt the preferred flame retardant with polystyrene, and then make it into granule foam molding. The purpose of its flame retardant needs to be carefully selected and matched, and it is subject to relatively large limitations. The best flame retardant effect can only reach the B1 level in the national standard GB / T8624-2006 "Classification of Combustion Performance of Building Materials"

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] 20 parts of silicone-modified styrene-acrylic emulsion, 10 parts of oxypolydimethylsiloxane, 5 parts of silicone rubber, 3 parts of organometallic compound, 30 parts of fumed silica, 21 parts of ammonium polyphosphate, 5 parts of pentaerythritol 1 part, 1 part of zinc borate, 2 parts of titanium dioxide (filler) and 3 parts of dispersant (auxiliary) and mix well in advance.

[0021] The expandable polystyrene masterbatch granules (the mixture of expandable EPS granules and 4.8%-6.8% n-pentane of the expandable EPS granule weight) are fed into a steam pressure of 0.2-0.4MPa, preheated Pre-expand in a pre-expansion machine at 75-85°C, and obtain pre-expanded polystyrene masterbatch particles after 8-9 hours of aging;

[0022] Then the prefabricated flame retardant slurry and the pre-expanded polystyrene masterbatch particles are mixed evenly according to the ratio of 1:4 by weight, so that the flame retardant slurry is wrapped in the pre-expanded polystyrene masterbatch p...

Embodiment 2

[0024] 15 parts of silicone-modified styrene-acrylic emulsion, 8 parts of oxypolydimethylsiloxane, 4 parts of silicone rubber, 2 parts of organometallic compound, 25 parts of fumed white carbon black, 18 parts of ammonium polyphosphate, 4 parts of pentaerythritol 1 part, 0.5 part of zinc borate, 2 parts of quartz powder (filler) and 2 parts of dispersant (auxiliary) and mix well in advance.

[0025] The expandable polystyrene masterbatch granules (the mixture of expandable EPS granules and 4.8%-6.8% n-pentane of the expandable EPS granule weight) are fed into a steam pressure of 0.2-0.4MPa, preheated Pre-expand in a pre-expansion machine at 75-85°C, and obtain pre-expanded polystyrene masterbatch particles after 8-9 hours of aging;

[0026] Then the prefabricated flame retardant slurry and the pre-expanded polystyrene masterbatch particles are mixed evenly according to the ratio of 1:2 by weight, so that the flame retardant slurry is wrapped in the pre-expanded polystyrene mas...

Embodiment 3

[0028] 25 parts of silicone-modified styrene-acrylic emulsion, 12 parts of oxypolydimethylsiloxane, 6 parts of silicone rubber, 4 parts of organometallic compound, 35 parts of fumed silica, 25 parts of ammonium polyphosphate, 6 parts of pentaerythritol 1.5 parts of zinc borate, 2.5 parts of large white powder (filler) and 3.5 parts of dispersant (auxiliary) and mix well in advance.

[0029] The expandable polystyrene masterbatch granules (the mixture of expandable EPS granules and 4.8%-6.8% n-pentane of the expandable EPS granule weight) are fed into a steam pressure of 0.2-0.4MPa, preheated Pre-expand in a pre-expansion machine at 75-85°C, and obtain pre-expanded polystyrene masterbatch particles after 8-9 hours of aging;

[0030] Then the prefabricated flame retardant slurry and the pre-expanded polystyrene masterbatch particles are mixed evenly according to the ratio of 1:3 by weight, so that the flame retardant slurry is wrapped in the pre-expanded polystyrene masterbatch ...

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PUM

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Abstract

The invention discloses an EPS (expandable polystyrene) fireproof thermal-insulating plate which is made by subjecting master batch particles of expandable polystyrene to steam prefoaming, well mixing the premade flame retardant slurry and the prefoamed polystyrene particles according to the weight ratio of 1:2-4, drying, moulding with steam, cooling and demoulding, and cutting. The EPS fireproof thermal-insulating plate reaches the fire rating level A2, the tensile strength is improved, the original advantages of low heat conductivity, fine waterproofing and the like are retained, and the overall process is pollution-free and highly environment-friendly.

Description

technical field [0001] The invention belongs to an EPS fire-proof and heat-preservation board, which is mainly used for fire-proof, heat-insulation and heat-insulation of the external walls of building enclosure structures. Background technique [0002] Building energy conservation is an important part of energy conservation. Promoting building energy conservation is a basic national policy for the country to respond to climate change and achieve sustainable development of the national economy. Since the "Eleventh Five-Year Plan", under the vigorous promotion of the national energy conservation and emission reduction policy, my country's building energy conservation work has developed rapidly. So far, more than 1.7 billion square meters of energy-saving buildings have been completed. The outer walls of these new energy-saving buildings and energy-saving renovations of existing buildings mainly adopt external wall insulation technology, especially in northern my country, al...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/80E04B1/94C08L25/06C08L25/14C08L83/06C08L83/04C08K13/02C08K3/36C08K3/32C08K3/02C08K5/053C08K3/38C08J9/14
Inventor 姜伟基郑毅
Owner CHONGQING LONGZHE HIGH TECH MATERIAL
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