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Fire retardant, fire-retarding fiber plate and manufacturing method of fire-retarding fiber plate

A technology of flame retardant fibers and flame retardants, applied in the field of flame retardants, can solve the problems of poor bonding and finishing performance of facing materials, increased cost, short service life, etc. Economic and social benefits, the effect of improving mechanical properties

Active Publication Date: 2012-10-10
北京盛大华源科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of method has the following disadvantages: the fiberboard loses its good processing performance and use performance; the bonding and finishing performance of the facing material is poor, and the service life is short
The increase of sizing amount and density further deteriorates the processing performance and serviceability of MDF
Patent 03116283.5 discloses a method, in which ammonium polyphosphate is coated with melamine formaldehyde resin, and the influence of the flame retardant on the mechanical properties and water absorption thickness expansion rate of the medium density fiberboard is reduced, but the added amount of the flame retardant increase, the cost will increase significantly

Method used

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  • Fire retardant, fire-retarding fiber plate and manufacturing method of fire-retarding fiber plate
  • Fire retardant, fire-retarding fiber plate and manufacturing method of fire-retarding fiber plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] Add 100 kg of ethanolamine to the reaction kettle, add 150 kg of boric acid while stirring, raise the temperature to 100°C for 45 minutes, and cool to below 45°C to obtain polymer A1;

[0059] Add 1000 kg of 85% phosphoric acid and 1000 kg of water into the reaction kettle, add 20 kg of titanium sulfate and 150 kg of alumina while stirring, heat up to 120 °C for 60 minutes, add 500 kg of melamine, and further heat up to 260 °C to maintain 120 °C Minutes, the cooled polymer was pulverized into 180-mesh particles to obtain polymer B1.

[0060] Add 35 kg of water into the reaction kettle, add 40 kg of polymer B1 and 10 kg of polymer A1 while stirring, raise the temperature to 65 ° C for 40 minutes, cool to 30 ~ 50 ° C, add 5 kg of potassium silicate to maintain After 30 minutes, 10 kg of 40% formaldehyde was added, the temperature was raised to 95°C and kept for 120 minutes, and cooled to below 45°C to obtain flame retardant C1.

[0061] Flame retardant preparation method...

Embodiment 3

[0066] Add 200 kg of ethanolamine into the reaction kettle, add 150 kg of boric acid and 100 kg of boric acid sand while stirring, raise the temperature to 100°C and keep for 45 minutes, and cool to below 45°C to obtain polymer A3.

[0067] Add 800 kg of 85% phosphoric acid and 500 kg of water into the reaction kettle, add 200 kg of aluminum hydroxide and 100 kg of magnesium hydroxide while stirring, raise the temperature to 120°C for 60 minutes, add 800 kg of ammonium dihydrogen phosphate, and further increase the temperature to 230°C for 90 minutes. The cooled polymer was pulverized into 300-mesh particles to obtain polymer B3.

[0068] Add 35 kg of water into the reaction kettle, add 40 kg of polymer B3 and 10 kg of polymer A3 while stirring, raise the temperature to 65°C for 40 minutes, cool to 30-50°C, add 7 kg of silicic acid for 30 minutes, Add 8 kg of 40% formaldehyde, raise the temperature to 95°C and keep it for 120 minutes, then cool to below 45°C to obtain flame r...

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Abstract

The invention relates to a fire retardant, a fire-retarding fiber plate containing the fire retardant and a manufacturing method of the fire-retarding fiber plate. The fire retardant comprises phosphorus, nitrogen, boron, amine, metal, silicon and aldehyde compounds. The fire-retarding fiber plate provided by the invention comprises fibers, an adhesive and the fire retardant and is prepared by spraying the fire retardant or the mixture of the fire retardant and the adhesive onto a hotly-ground fibers, and drying, paving, hotly pressing and sanding the fibers, and the other working procedures,wherein the production process and equipment of the fiber plate are not changed, so the manufacturing cost of the fiber plate is low. The fire-retarding fiber plate provided by the invention has the advantages that: the mechanical performance is improved obviously; the combustion performance is in accordance with B or C grade standards of GB8624; and the formaldehyde release amount and smoke amount can be reduced. Thus, the fire-retarding fiber plate is a high-quality, cheap, high-strength and environmentally-friendly fiber fire-retarding fiber plate, can be widely used in interior decorationof buildings, production of fire-retarding furniture and fire-retarding floor, interior decoration of ship and vehicles and the like and can create great economic and social benefits.

Description

technical field [0001] The invention relates to a flame retardant, a flame retardant fiberboard containing the flame retardant and a manufacturing method thereof. Background technique [0002] Fire is the most common disaster that seriously endangers people's lives and property and directly affects economic development and social stability. In recent years, with the widespread use of new energy, new materials, and new equipment, as well as the continuous expansion of urban construction scale and the improvement of people's material and cultural living standards, the casualties and property losses caused by fires are also increasing. [0003] Fiberboard is made of wood harvesting residues and processing residues, urban construction waste, crop straw waste, etc. as raw materials, with adhesives and waterproofing agents added, and made through drying, paving, hot pressing, sanding and other processes. Due to its good physical and mechanical properties and processing properties...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K21/12B27N3/04
Inventor 罗文圣
Owner 北京盛大华源科技有限公司