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Mildew preventive special for wood and preparation method of mildew preventive

A mildew inhibitor and wood technology, applied in wood treatment, wood impregnation, wood impregnation, etc., can solve problems such as human damage and human harm, and achieve the effects of increasing stability, low toxicity and good fusion.

Inactive Publication Date: 2018-08-03
广西荔浦安吉利木业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing wood antifungal agents are mainly copper, chromium, arsenic, copper ammonium quaternary ammonium salt and copper file, etc., among which chromium and arsenic are poisonous substances, which are easy to cause damage to the human body, especially when used indoors. bigger

Method used

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  • Mildew preventive special for wood and preparation method of mildew preventive

Examples

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Comparison scheme
Effect test

Embodiment 1

[0021] A kind of antifungal agent special for wood and preparation method thereof:

[0022] (1) Raw materials: 15 parts of copper chloride, 15 parts of boric acid, 30 parts of carbendazim, 10 parts of phoxim emulsion, 30 parts of plant extract, 2 parts of water-soluble silicone emulsion and 1000 parts of ethanol;

[0023] The plant extracts include: mustard seed extract 20%, wormwood extract 15%, Artemisia annua 25%, celery 15%, garlic 15%, lemon juice 10%;

[0024] Wherein the massfraction of ethanol is 65%;

[0025] (2) Preparation method:

[0026] 1) Preparation of mustard seed extract: wash 10 parts of mustard seeds, chop them, put them into an extraction tank, add 10 parts of ethanol with a mass fraction of 95%, heat and extract under reflux for 1 hour, evaporate the solvent under reduced pressure until the solvent volume is less than 1 After cooling, add 15 parts of ethyl acetate to the crude mustard extract, shake it, let it stand for stratification, collect the upper...

Embodiment 2

[0030] A kind of antifungal agent special for wood and preparation method thereof:

[0031] (1) Raw materials: 17 parts of copper chloride, 20 parts of boric acid, 32 parts of carbendazim, 12 parts of phoxim emulsion, 35 parts of plant extract, 2.5 parts of water-soluble silicone emulsion and 1100 parts of ethanol;

[0032] The plant extracts include: mustard seed extract 25%, wormwood extract 20%, Artemisia annua 20%, celery 10%, garlic 10%, lemon juice 15%;

[0033] Wherein the massfraction of ethanol is 68%;

[0034] (2) Preparation method:

[0035] 1) Preparation of mustard seed extract: wash 10 parts of mustard seeds, chop them, put them into an extraction tank, add 12 parts of ethanol with a mass fraction of 95%, heat and extract under reflux for 1.5 h, evaporate the solvent under reduced pressure until the amount of solvent is less than 1.2 parts, to obtain the mustard crude extract; after cooling, add 16 parts of ethyl acetate to the mustard crude extract, shake, aft...

Embodiment 3

[0039] A kind of antifungal agent special for wood and preparation method thereof:

[0040] (1) Raw materials: 25 parts of copper chloride, 22 parts of boric acid, 36 parts of carbendazim, 16 parts of phoxim emulsion, 40 parts of plant extract, 3 parts of water-soluble silicone emulsion and 1150 parts of ethanol;

[0041] The plant extracts include: mustard seed extract 30%, wormwood extract 25%, Artemisia annua 10%, celery 12%, garlic 12%, lemon juice 11%;

[0042] Wherein the massfraction of ethanol is 70%;

[0043] (2) Preparation method:

[0044] 1) Preparation of mustard seed extract: Wash 10 parts of mustard seeds, chop them, put them into an extraction tank, add 18 parts of ethanol with a mass fraction of 95%, heat and extract under reflux for 2 hours, evaporate the solvent by distillation under reduced pressure until the solvent amount is less than 1.8 After cooling, add 18 parts of ethyl acetate to the crude mustard extract, shake it, let it stand for stratification, ...

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Abstract

The invention belongs to the field of the agricultural technology, and discloses a mildew preventive special for wood. The mildew preventive comprises, by weight, 15-30 parts of copper chloride, 15-25parts of boric acid, 30-40 parts of carbendazim, 10-18 parts of phoxim emulsion, 30-50 parts of plant extract, 2-3.5 parts of a defoaming agent and 1,000-1,200 parts of ethyl alcohol. The mildew preventive special for the wood is good in mildew prevention effect and low in toxicity. A preparation method of the mildew preventive is provided.

Description

technical field [0001] The invention belongs to the technical field of wood protection, and in particular relates to a special antifungal agent for wood and a preparation method thereof. Background technique [0002] Wood has always maintained an important role in construction engineering and home decoration. Wood is a natural biological material, and the phenomenon of blooming, mildew, decay and termites caused by water absorption and moisture has seriously affected the service life of wood, and also seriously restricted the industrial development and application of wood. In order to prevent wood from suffering the above-mentioned hazards, give full play to its use value, and prolong the service life of wood, it is necessary to effectively protect wood. The existing wood antifungal agents are mainly copper, chromium, arsenic, copper ammonium quaternary ammonium salt and copper file, etc., among which chromium and arsenic are poisonous substances, which are easy to cause da...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27K3/52
CPCB27K3/52B27K2240/20
Inventor 韦祖旺
Owner 广西荔浦安吉利木业有限公司
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