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Antiseptic and mildew-proof agent for wooden and/or bamboo product and application thereof

A technology for anti-corrosion and anti-fungal agent and bamboo products, which is applied in the direction of wood treatment, impregnating wood, manufacturing tools, etc. problems, to achieve the effect of improving the use value and safety of use, inhibiting bacteriostasis and inhibiting the growth of microorganisms, and having a wide range of applications

Inactive Publication Date: 2015-07-01
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These new anti-mold preservatives have greatly improved the toxicity to the human body and the environment, but there are still some problems, such as high production costs, unsatisfactory anti-mold and anti-corrosion effects, poor loss resistance, and unstable performance.
At the same time, since the above anti-mildew preservatives are all chemicals, it is not safe to use them for wood / bamboo utensils in contact with food and some daily necessities in contact with people.
[0004] In short, these commonly used anti-mold preservatives generally have adverse effects on the human body and the environment. Therefore, how to reduce the toxicity of preservatives, improve the performance and durability of anti-mold preservatives on the premise of ensuring anti-mold and anti-corrosion, It has always been a key point in the study of wood / bamboo material anti-mold and anti-corrosion (Wei Min, Cui Weining. The current situation and development of wood anti-corrosion. Forest Chemical Communication, 1997(6):10-13.)

Method used

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  • Antiseptic and mildew-proof agent for wooden and/or bamboo product and application thereof
  • Antiseptic and mildew-proof agent for wooden and/or bamboo product and application thereof
  • Antiseptic and mildew-proof agent for wooden and/or bamboo product and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] 1. Preparation of anti-mold preservative for wood and bamboo products

[0030] Percentage of each component: sodium benzoate 0.05%, potassium sorbate 0.25%, sodium ethyl p-hydroxybenzoate 0.03%, the balance of water. Dissolve the ingredients in water, stir well and mix well.

[0031] 2. Sample processing

[0032] The moso bamboo was sawed into 30mm×20mm×5mm bamboo slices, and randomly divided into control group and treatment group, with three pieces in each group. The treatment group was completely immersed in the above-mentioned antiseptic, antiseptic and antifungal agent solution for 8 hours, and the control group was immersed in sterile water for 8 hours, taken out and drained, and then the bamboo slices were placed in a dry sterile culture dish.

Embodiment 2

[0034] 1. Preparation of anti-mold preservative for wood and bamboo products

[0035] Percentage of each component: sodium benzoate 0.15%, potassium sorbate 0.25%, sodium ethyl p-hydroxybenzoate 0.05%, the balance of water. Dissolve the ingredients in water, stir well and mix well.

[0036] 2. Sample processing

[0037]The poplar wood was sawn into 20mm×20mm×20mm specimens, randomly divided into control group and treatment group, with three pieces in each group. The wooden blocks were completely immersed in the above-mentioned antiseptic and antifungal agent solution for 12 hours, and the control group was immersed in sterile water for 12 hours. After taking it out, drain it, and then put the wooden blocks in a dry sterile petri dish.

Embodiment 3

[0039] 1. Preparation of anti-mold preservative for wood and bamboo products

[0040] Percentage of each component: sodium benzoate 0.10%, potassium sorbate 0.10%, sodium ethyl p-hydroxybenzoate 0.015%, the balance of water. Dissolve the ingredients in water, stir well and mix well.

[0041] 2. Sample processing

[0042] Saw the moso bamboo into 30mm×20mm×5mm specimens, and randomly divided them into control group, spraying group and dipping group, with two pieces in each group. The spraying group uses spray equipment to evenly spray the above antiseptic and antifungal agent solution on the surface of bamboo; the dipping group is to immerse the test piece in the above antiseptic and antifungal agent solution for 8 hours, and then place the bamboo slices in a dry sterile petri dish. ; The control group was immersed in sterile water for 8 h.

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Abstract

The invention discloses an antiseptic and mildew-proof agent for a wooden and / or bamboo product and application thereof. The antiseptic and mildew-proof agent comprises the following constituents in percentage by weight: 0.15-0.25% of sodium benzoate, 0.2-0.3% of potassium sorbate, 0.02-0.05% of ethyl 4-hydroxybenzoate, and the balance of water. The antiseptic and mildew-proof agent has the advantages of being suitable for mildew-proof treatment of various wooden and bamboo products, having very good bacteria inhibiting effect and microbial growth inhibiting effect, improving the mildew-proof performance of the wooden and bamboo products, prolonging the service lives of materials, improving use value of the wooden and bamboo products and saving wood resource, and having positive significance on human healthy life. Meanwhile, the antiseptic and mildew-proof agent is simple to use, easy to operate and applicable in a wide range, further has the characteristics of being cheap, acid resistant and alkali resistant, and has good popularization and application foreground.

Description

technical field [0001] The invention belongs to the field of fungicides for wood and bamboo products. More specifically, it relates to an antiseptic and antifungal agent for wood and bamboo products and its application. Background technique [0002] During the use of wood / bamboo materials, mildew often occurs due to the presence of internal nutrients, which affects its service life. The predecessors have done a lot of research on the fungi that cause wood / bamboo materials to rot. Researchers have identified more than 50 kinds of fungi that cause mildew and decay of wood / bamboo materials in many years of research on wood / bamboo material protection technology (Zhao He, Zhang Jian, Li Qin. Research status and development trend of bamboo material anti-mold and anti-corrosion. Shanxi Architecture, 2010, 36(29): 137-139.). The hazards of fungi are mainly divided into three types: mildew, discoloration and fungal rot. [0003] At present, the traditional anti-mold and anti-cor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27K3/50
CPCB27K3/50B27K2240/20
Inventor 云虹李凯夫胡传双涂登云谢迪武鲁群霞周桥芳郭琼
Owner SOUTH CHINA AGRI UNIV
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