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Multiple-effect timber fire retardant and its preparation method and treatment process

A flame retardant and wood technology, applied in the field of wood flame retardants, can solve the problems of reducing the mechanical properties of wood, laborious, time-consuming, etc., and achieve the effects of strong anti-loss performance, strong smoke suppression performance and good effect

Inactive Publication Date: 2015-05-27
高天红
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Problems solved by technology

Usually, wood protection treatment is mainly done through multiple treatments of various chemicals, which is not only time-consuming, laborious, and expensive, but also reduces the mechanical properties of wood, etc.

Method used

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Embodiment Construction

[0020] The technical solutions of the present invention will be further described below in conjunction with specific preferred embodiments.

[0021] A multi-effect wood flame retardant, its components are proportioned by mass percentage: phosphoric acid 25%, dicyandiamide 12%, melamine 12%, boric acid 10%, ammonium polyphosphate 15%, silica sol 15%, molybdic acid Sodium 6%, diethanolamine 3%, chlorothalonil 2%. Wherein, the mass percent concentration of the phosphoric acid is 75%-85%; the silicon dioxide content of the silica sol is 20-40wt%.

[0022] Its preparation method is as follows: (1), weighing each component according to the mass percentage; (2), adding water to phosphoric acid, dicyandiamide and melamine to make a uniform mixture, heating to 90°C-130°C to react for 0.5 After ~2 hours, cool to room temperature, then add boric acid, ammonium polyphosphate, silica sol, sodium molybdate, diethanolamine and chlorothalonil, and mix evenly, then dry, pulverize and sieve to...

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Abstract

The invention discloses a multiple-effect timber fire retardant and its preparation method and treatment process. The multiple-effect timber fire retardant comprises, by mass, 20-40% of phosphoric acid, 10-20% of dicyandiamide, 10-20% of melamine, 5-10% of boric acid, 5-20% of ammonium polyphosphate, 5-20% of silica sol, 3-8% of a smoke inhibitor, 0.5-3% of a surfactant and 0.1-2% of a mildew inhibitor. Compared with the existing timber fire retardant, the multiple-effect timber fire retardant has good fire retardant performances, good smoke inhibition performances, good loss resistance performances, large timber impregnation depth and good corrosion-resistant, mildew-resistant and mothproof effects. The preparation method has simple processes. The multiple-effect timber fire retardant has good timber protection and processing effects and is economical and practical.

Description

technical field [0001] The invention relates to the technical field of wood flame retardants, in particular to a multi-effect wood fire retardant and its preparation method and treatment process. Background technique [0002] Wood is an indispensable material in human life. It has the advantages of light weight, high strength, and easy processing; but wood also has defects such as easy deformation, perishability, and flammability. Therefore, it must be protected before use. Very necessary, including flame retardant, smoke suppression, anti-corrosion, dyeing, etc. Usually, wood protection treatment is mainly done through multiple treatments of various chemicals, which is not only time-consuming, laborious, and expensive, but also reduces the mechanical properties of wood. Contents of the invention [0003] The object of the present invention is to provide a multi-effect wood flame retardant and its preparation method and treatment process. The flame retardant has the advan...

Claims

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Application Information

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IPC IPC(8): B27K3/52B27K3/08
CPCB27K3/52B27K3/08
Inventor 不公告发明人
Owner 高天红
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