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Wood bactericidal preservative preparation method

A technology for bactericidal preservatives and wood, applied in the directions of fungicides, botanical equipment and methods, biocides, etc., can solve problems such as affecting the service life of wood, and achieve the effects of good activity, improved inhibitory ability, and high bactericidal activity

Inactive Publication Date: 2018-10-16
长乐智高生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Wood degradation is an essential link in the carbon and nitrogen cycle of the entire biosphere, but for the wood processing industry and the construction industry, microbial decomposition and pest attack affect the service life of wood

Method used

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  • Wood bactericidal preservative preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] 1) In a 250ml four-necked flask equipped with a thermometer, a constant pressure funnel and a reflux condenser (with a drying tube), add 14.8 parts by weight of m-dichlorobenzene and 22.7 parts by weight of aluminum trichloride. After stirring for 0.5 h at 30~35°C and 150 rpm, the reaction temperature is maintained, and 9.42 parts by weight of acetyl chloride are slowly added dropwise. After the addition is complete, slowly increase the temperature to 50-55 ℃, and continue to stir the reaction until no hydrogen chloride gas is produced. Then, 2.18 parts by weight of cyclohexenamine ketone compound was added, and the reaction was allowed to stand for 5 hours.

[0010] 2) Put the above-mentioned flask containing the reaction mixture into an ice-water bath to lower the temperature of the reactants below 5 ℃, add 20 parts by weight of 3mol / L hydrochloric acid dropwise for acid hydrolysis, and then add 11.4 parts by weight of purified CCl 4 , 0.98 parts by weight of purified tr...

Embodiment 2

[0012] It is exactly the same as Example 1, except that: 15.8 parts by weight of m-dichlorobenzene, 23.7 parts by weight of aluminum trichloride and 2.28 parts by weight of cyclohexenamino ketone compound are added.

Embodiment 3

[0014] It is exactly the same as Example 1, except that: 16.8 parts by weight of m-dichlorobenzene, 24.7 parts by weight of aluminum trichloride and 2.38 parts by weight of cyclohexenamine compound are added.

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Abstract

The invention discloses a wood bactericidal preservative preparation method. Substances including CCl4, CH2Cl2, 4-(1H-benzimidazole-2-yl)-6-(substituted phenylpyrimidine-2-yl)-aklyl / benzyl thioether and the like are added into raw materials including m-dichlorobenzene, acetylchloride, cyclohexene amine ketone and the like to obtain a novel bactericidal preservative by physical compounding and chemical synthesis. The bactericidal preservative prepared according to the method is stable in property, the wood-decaying fungus inhibition performance is remarkably improved as compared with that of wood bactericidal preservatives on the market, wood appearances have no evident changes after long-term wood placement, and a high popularization and application value is achieved.

Description

Technical field [0001] The invention relates to a bactericidal preservative, in particular to a bactericidal preservative special for wood protection. Background technique [0002] Wood is a natural polymer material. As the only renewable resource among the four major building materials (steel, cement, plastic, wood), it has been an important industrial raw material for a long time. Wood has many excellent characteristics: light weight, low cost, Short production cycle, good heat preservation, beautiful texture, easy processing, sound insulation, shockproof, UV absorption, etc., can be widely used in household, wood-based panel, paper, textile and other industries. Wood is easily degraded under the action of various biological factors, because wood cells contain more starch, reducing sugar, protein, fat, etc., wood is prone to rot, mildew and moth-eaten in a warm and humid environment. Wood degradation is an indispensable link in the carbon and nitrogen cycle of the entire biosp...

Claims

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Application Information

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IPC IPC(8): A01N43/54A01N35/04A01N35/06A01P1/00A01P3/00B27K3/50
CPCA01N35/04A01N35/06A01N43/54B27K3/50B27K2240/20
Inventor 卓朝旦蒋伟伟
Owner 长乐智高生物科技有限公司
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