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A kind of wood flame retardant and preservative and the process for preparing flame retardant and preservative wood by using the same

A preservative, wood technology, applied in anti-corrosion, smoke-suppressing wood flame retardant and the process of treating solid wood with its flame retardant and anti-corrosion, in the field of flame retardant, can solve the problem of excessive investment in wood flame retardant

Active Publication Date: 2016-08-17
NORTHEAST FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, due to the stricter requirements for flame retardants in relevant regulations, this also requires more investment in research on wood flame retardancy

Method used

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  • A kind of wood flame retardant and preservative and the process for preparing flame retardant and preservative wood by using the same
  • A kind of wood flame retardant and preservative and the process for preparing flame retardant and preservative wood by using the same
  • A kind of wood flame retardant and preservative and the process for preparing flame retardant and preservative wood by using the same

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specific Embodiment approach 1

[0017] Specific embodiment one: The new type A wood flame retardant preservative of this embodiment is formulated according to the following weight percentages: BPW55-60%, diammonium phosphate 20-30%, boric acid 10-20%, ammonium molybdate 1-3 %.

specific Embodiment approach 2

[0018] Specific embodiment two: the new type B wood flame retardant preservative of this embodiment is formulated according to the following weight percentages: BPW50~60%, diammonium phosphate 20~30%, boric acid 15~20%, ammonium molybdate 1~2 %.

specific Embodiment approach 3

[0019] Specific embodiment three: The new type C wood flame retardant preservative of this embodiment is formulated according to the following weight percentages: BPW60-70%, diammonium phosphate 15-20%, boric acid 10-15%, ammonium molybdate 1-3 %.

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Abstract

The invention discloses a wood flame-retardant preservative and a process for preparing flame-retardant and anti-corrosion wood by using the same, belonging to the field of organic chemistry and wood treatment technology. The wood flame retardant preservative of the invention is prepared by mixing 50-70% of BPW, 15-30% of diammonium phosphate, 10-30% of boric acid and 1-5% of ammonium molybdate according to the weight percentage. The invention prepares the flame-retardant and anti-corrosion wood (Pine sylvestris sylvestris) according to the following steps: after the wood is dried to a constant weight, it is placed in a flame-retardant liquid for vacuum pressure impregnation treatment, and then the flame-retardant wood is taken out and dried to obtain the flame-retardant anti-corrosion wood. The flame retardant preservative of the present invention adopts BPW, sodium dihydrogen phosphate and boric acid as main materials. The flame retardant prepared by mixing these several substances in the present invention has good flame-retardant, anti-corrosion and smoke-suppressing properties, good stability, and is non-toxic and odorless, and can be widely used in chemical construction and other fields; and it is easy to impregnate wood , so that the treated wood has good flame-retardant and anti-corrosion properties, and expands its scope of use.

Description

technical field [0001] The invention belongs to the field of organic chemistry and wood treatment technology, and relates to a flame-retardant, anti-corrosion and smoke-suppressing wood flame retardant and a process for treating solid wood by using the same. Background technique [0002] The environmental protection of wood has attracted wide attention in its application, but its use is limited due to its flammability and easy corrosion. The research on wood flame retardants has attracted widespread attention, but there are not many types that can be put into practical application at present. With the increasing requirements for wood flame retardants, our research on flame retardants has begun to focus on comprehensive research on the effects of flame retardants such as flame retardancy, smoke suppression, anti-corrosion, and insect protection. At the same time, due to the more stringent requirements for flame retardants in relevant regulations, this also requires more inve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27K3/32B27K3/08
Inventor 郭垂根董柯王石进王清文王奉强
Owner NORTHEAST FORESTRY UNIVERSITY
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