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Antiseptic, preparation method thereof and method for treating wood/bamboo with antiseptic

A preservative, bamboo technology, applied in the direction of wood impregnation, impregnated wood, wood processing appliances, etc., can solve problems such as fixation effects, and achieve the effects of improving anti-corrosion durability, increasing weight gain, and improving flexural strength

Inactive Publication Date: 2012-01-25
INST OF WOOD INDUDTRY CHINESE ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although many studies have shown that plant essential oils and plant extracts have good corrosion resistance, their fixation under water-soluble conditions has been greatly affected

Method used

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  • Antiseptic, preparation method thereof and method for treating wood/bamboo with antiseptic
  • Antiseptic, preparation method thereof and method for treating wood/bamboo with antiseptic
  • Antiseptic, preparation method thereof and method for treating wood/bamboo with antiseptic

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] 1. Preparation of camphor tree leaf water extract solution

[0053] 1) Select the fresh leaves grown in March on the camphor tree (Cinnamomum camphora), wash them, cut the leaves and put them into a fully automatic Soxhlet extractor (Fox China Co., Ltd., model SoxtexAvanti 2050);

[0054] 2) add water in extractor, camphor leaf is heated and extracted, the ratio of the volume of the added water and the weight of camphor leaf is 3: 1, namely camphor leaf weight (fresh weight) 1g, then the volume of water is 3ml Or camphor leaf weight (fresh weight) 1kg, then the volume of water is 3L, and extraction time is 2.5h, and extraction temperature is 60 ℃;

[0055] 3) After the mixture in the extractor is cooled, filter to remove the camphor leaves to obtain the camphor leaf filtrate;

[0056] 4) The filtrate was evaporated to remove water to obtain a camphor tree leaf water extract solution, wherein the mass percent concentration of the camphor tree leaf extract in the camphor...

Embodiment 2

[0067] 1. Preparation of camphor tree leaf extract solution

[0068] 1) Select the fresh leaves grown in March on the Cinnamomum camphora tree, wash them, cut the leaves into pieces and put them into a fully automatic Soxhlet extractor;

[0069] 2) add water in the extractor, the camphor leaf is heated and extracted, the ratio of the volume of the added water and the weight of the camphor leaf is 4: 1, i.e. camphor leaf weight (fresh weight) 1g, then the volume of water is 4ml Or camphor leaf weight (fresh weight) 1kg, then the volume of water is 4L, and extraction time is 2h, and extraction temperature is 30 ℃;

[0070] 3) After the mixture in the extractor is cooled, filter to remove the camphor leaves to obtain the camphor leaf filtrate;

[0071] 4) The filtrate was evaporated to remove water to obtain a camphor tree leaf water extract solution, wherein the concentration of the camphor tree leaf extract in the camphor tree leaf water extract solution was 10% by mass.

[0...

Embodiment 3

[0082] 1. Preparation of camphor tree leaf extract solution

[0083] 1) Select the fresh leaves grown in March on the Cinnamomum camphora tree, wash them, cut the leaves into pieces and put them into a fully automatic Soxhlet extractor;

[0084] 2) add water in the extractor, the camphor leaf is heated and extracted, the ratio of the volume of the added water and the weight of the camphor leaf is 2: 1, i.e. camphor leaf weight (fresh weight) 1g, then the volume of water is 2ml Or camphor leaf weight (fresh weight) 1kg, then the volume of water is 2L, and extraction time is 3h, and extraction temperature is 40 ℃;

[0085] 3) After the mixture in the extractor is cooled, filter to remove the camphor leaves to obtain the camphor leaf filtrate;

[0086] 4) the filtrate is evaporated to dryness to obtain the camphor tree leaf extract, then add water to dissolve the camphor tree leaf extract, and make the camphor tree leaf water extract solution, wherein the mass percentage concent...

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Abstract

The invention discloses a bamboo / wood antiseptic, a preparation method thereof and a treating method for modifying bamboo / wood by using the antiseptic. The antiseptic comprises a camphortree leaf water extract and urea-formaldehyde resin, wherein the percentage concentration by mass of the camphortree leaf water extract is 5-10 percent, and the solid content of the urea-formaldehyde resin is 40-60 percent. The antiseptic contains the camphortree leaf extract, and serves as a natural environmentally-friendly antiseptic without heavy metal or any toxic or side effect on people and livestock; and corrosion-resistant wood / bamboo prepared with the method has a remarkable antiseptic effect, high anticorrosion performance, mold preventing and controlling efficiencies of up to 75-50 percent and stain mold preventing and controlling efficiencies of up to 50-25 percent, and meets the requirement of level II (corrosion resistant level) specified in the national standard GB / T13942.1-1992.

Description

technical field [0001] The invention relates to an infiltration liquid for impregnating wood / bamboo, a preparation method of the infiltration liquid, a preparation method using the infiltration liquid and a treatment method for impregnating wood / bamboo with the infiltration liquid, in particular to an antiseptic liquid and a preparation method thereof And utilize this preservative solution to process wood / bamboo wood method. Background technique [0002] As a biological material composed of natural polymer compounds, wood / bamboo has the advantages of high strength-to-weight ratio, low processing energy consumption, and relatively small environmental pollution. And the deficiency of being destroyed by the infringement of microorganisms. [0003] Traditional wood / bamboo preservative treatment can effectively improve wood / bamboo corrosion resistance to a certain extent and prolong the service life of wood / bamboo, but traditional wood / bamboo preservative treatment can improve t...

Claims

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Application Information

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IPC IPC(8): B27K3/50
Inventor 刘君良徐国祺胡生辉柴宇博王雪花孙柏玲
Owner INST OF WOOD INDUDTRY CHINESE ACAD OF FORESTRY
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