Wood preservative and preparation method thereof

A technology of wood preservative, pentachlorophenol, which is applied in the direction of wood impregnation, impregnated wood, wood processing utensils, etc., can solve the problems of natural environment damage, poor loss resistance, low cost, etc., and achieve the effect of low price

Active Publication Date: 2014-09-10
HEBEI HOFMANN NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the small forest area per capita in our country, the foundation of wood preservatives is weak, and it is in the development period, actively developing new wood preservatives is of great significance for sustainable development. At present, water-based preservatives are the most used, and copper salts are commonly used as wood preservatives. Preservatives, low in cost but poor in anti-loss properties, causing great damage to the natural environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A wood preservative comprising chitosan, pentachlorophenol, coal tar, datura, pinellia, and louver; the proportions by weight of the raw materials are as follows: 20 parts of chitosan, pentachlorophenol 30 parts, 15 parts of coal tar, 10 parts of Datura, 20 parts of pinellia, and 12 parts of louver.

[0021] The present invention also includes 5 parts of nisin, 2 parts of sodium benzoate and 7 parts of hydrogen peroxide.

[0022] A preparation method of wood preservative, comprising the following steps:

[0023] The first step: dissolving chitosan and pentachlorophenol in coal tar, and adding distilled water so that distilled water accounts for 40% of the total weight, heating to 40°C and stirring, then adding 4 parts of polylysine, and Adjust the temperature to 45°C, and continue to stir until all the raw materials are dissolved into a uniform transparent color;

[0024] Step 2: Put Datura, pinellia, and louvers in ice water, add pyrethrum, cnidium, and betel nut, so...

Embodiment 2

[0028] A wood preservative, comprising chitosan, pentachlorophenol, coal tar, Datura, pinellia, and louver; the weight proportions between the raw materials are as follows: 40 parts of chitosan, pentachlorophenol 35 parts, 30 parts of coal tar, 25 parts of Datura, 30 parts of pinellia, and 20 parts of louvers.

[0029] The present invention also includes 8 parts of nisin, 4 parts of sodium benzoate and 15 parts of hydrogen peroxide.

[0030] A preparation method of wood preservative, comprising the following steps:

[0031] The first step: dissolving chitosan and pentachlorophenol in coal tar, and adding distilled water so that distilled water accounts for 60% of the total weight, heating to 50°C and stirring, then adding 6 parts of polylysine, and Adjust the temperature to 60°C and continue to stir until all the raw materials are dissolved into a uniform transparent color;

[0032] Step 2: Put Datura, pinellia, and louvers in ice water, add pyrethrum, cnidium, and betel nut...

Embodiment 3

[0036] A wood preservative comprising chitosan, pentachlorophenol, coal tar, datura, pinellia, and louver; the proportions by weight of the raw materials are as follows: 25 parts of chitosan, pentachlorophenol 32 parts, 20 parts of coal tar, 18 parts of datura, 22 parts of pinellia, and 15 parts of louver.

[0037] The present invention also includes 6 parts of nisin, 4 parts of sodium benzoate and 8 parts of hydrogen peroxide.

[0038] A preparation method of wood preservative, comprising the following steps:

[0039] The first step: dissolving chitosan and pentachlorophenol in coal tar, and adding distilled water so that distilled water accounts for 45% of the total weight, heating to 45°C and stirring, then adding 5 parts of polylysine, and Adjust the temperature to 50°C and continue to stir until all the raw materials are dissolved into a uniform transparent color;

[0040] Step 2: Put Datura, pinellia, and louvers in ice water, add pyrethrum, cnidium, and betel nut, soa...

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PUM

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Abstract

The invention provides a wood preservative. The wood preservative contains ammoniacal copper quaternary, pentachlorophenol, coal tar, copper (II) dimethyl dithiocarbamate, stramonium, pinellia ternate and eusteralis stellata. The wood preservative is characterized by consisting of the following raw materials in parts by weight: 20-40 parts of chitosan, 30-35 parts of pentachlorophenol, 15-30 parts of coal tar, 10-25 parts of stramonium, 20-30 parts of pinellia ternate, and 12-20 parts of eusteralis stellata. The wood preservative does not contain copper salt, all the raw materials in the adopted composite formula of traditional Chinese medicines plus chemicals are completely environmentally friendly, the traditional Chinese medicines are cheap and the wood preservative has antibacterial and insect-prevention effects.

Description

technical field [0001] The invention relates to wood maintenance, in particular to a wood preservative and a preparation method thereof. Background technique [0002] Wood preservative is to increase the volume of wood without increasing the forest area. Good wood preservative treatment can greatly prolong the service life of wood. Due to the small forest area per capita in our country, the foundation of wood preservatives is weak, and it is in the development period, actively developing new wood preservatives is of great significance for sustainable development. At present, water-based preservatives are the most used, and copper salts are commonly used as wood preservatives. Preservatives are low in cost but poor in anti-loss, and cause great damage to the natural environment. Contents of the invention [0003] Technical problem to be solved: In view of the above problems, the present invention provides a wood preservative that does not contain copper salts, has strong b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27K3/52
Inventor 闻献
Owner HEBEI HOFMANN NEW MATERIAL TECH CO LTD
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