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Preparation method of flame-retardant plate

A technology of flame-retardant board and flame-retardant glue, which is applied in the direction of flat products, manufacturing tools, and pretreatment of molding materials. It can solve the problems of few reports on the production technology of flame-retardant fiberboard, and achieve low production cost and water resistance. Excellent, step-by-step scientific effect

Inactive Publication Date: 2015-06-10
DALIAN FEIMA OFFICE FURNITURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are few reports on the technical issues of flame-retardant fiberboard production from the perspective of flame-retardant fiberboard production practice.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] This embodiment discloses a method for preparing a flame-retardant board, which includes the following steps: applying flame-retardant glue to the fibers, and the sizing amount of the flame-retardant glue is 300kg / m 3 ; Add water repellant, and get flame retardant board after hot pressing. The dosage of the waterproofing agent is 10kg / m 3 . The moisture content in the fiber is 8.2%. The hot-pressing temperature is 180° C., and the hot-pressing time is 20 minutes. The flame retardant includes dicyandiamide, phosphoric acid, triethanolamine, boric acid, borax and ammonia water.

[0015] Among them, the application of the flame retardant is to apply the liquid flame retardant into the grinding chamber of the thermal refiner, and after the mechanical action of the wood chip raw material, it is mixed and penetrated into the fiber.

Embodiment 2

[0017] This embodiment discloses a method for preparing a flame-retardant board, which includes the following steps: applying flame-retardant glue to the fibers, and the sizing amount of the flame-retardant glue is 100kg / m 3 ; Add water repellant, and get flame retardant board after hot pressing. The dosage of the waterproofing agent is 2kg / m 3 . The moisture content in the fiber is 7.2%. The hot-pressing temperature is 150° C., and the hot-pressing time is 10 minutes. The flame retardant includes dicyandiamide, phosphoric acid, triethanolamine, boric acid, borax and ammonia water.

[0018] Wherein, the application of the flame retardant is to apply the liquid flame retardant to the spray outlet pipe of the heat refiner, and mix it with the fiber evenly.

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Abstract

The invention provides a preparation method of a flame-retardant plate. The preparation method comprises the following steps: applying a flame-retardant adhesive into fibers, wherein the adhesive applying amount of the flame-retardant adhesive is 100-300kg / m<3>; adding a waterproof agent and after carrying out hot-pressing, obtaining the flame-retardant plate, wherein the flame-retardant adhesive comprises dicyandiamide, phosphoric acid, triethanolamine, boric acid, borax and ammonia water. The preparation method provided by the invention adopts scientific and reasonable steps. Compared with the prior art, the preparation method has the following advantages that in the first 3-5 days after the flame-retardant fiber plate is produced, an oxygen index of the flame-retardant fiber plate can be gradually increased; after a certain time, the oxygen index of the flame-retardant fiber plate becomes stable; then in a gradual losing stage the oxygen index gradually decreases. The flame-retardant plate prepared by the preparation method of the flame-retardant plate, provided by the invention, is low in production cost, excellent in waterproofness and accords with the burning class of C class and over C class of the flame-retardant standard GB8624-2006.

Description

technical field [0001] The invention relates to plate production technology, in particular to a preparation method of a flame-retardant plate. Background technique [0002] GB50016-2006 "Code for Fire Protection in Architectural Design" and GB20286-2006 "Requirements and Labeling of Flame-Retardant Products and Components in Public Places" have been promulgated and implemented, which clearly require that architectural designs and products in public places must use flame-retardant, safe and environmentally friendly materials, which further It has stimulated the social demand for flame-retardant furniture and flame-retardant wood materials. [0003] At present, domestic research on flame-retardant fiberboard has achieved many scientific research results. However, there are few reports on discussing the production technology of flame-retardant fiberboard from the perspective of flame-retardant fiberboard production practice. The production of high-quality environmentally frie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27N1/00B27N3/04
CPCB27N1/029B27N3/04
Inventor 刘官柱
Owner DALIAN FEIMA OFFICE FURNITURE
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