CN107363946A - A kind of timber preservative - Google Patents
A kind of timber preservative Download PDFInfo
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- CN107363946A CN107363946A CN201710424554.8A CN201710424554A CN107363946A CN 107363946 A CN107363946 A CN 107363946A CN 201710424554 A CN201710424554 A CN 201710424554A CN 107363946 A CN107363946 A CN 107363946A
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- oil
- stirred
- water
- timber preservative
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
- B27K3/50—Mixtures of different organic impregnating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2240/00—Purpose of the treatment
- B27K2240/20—Removing fungi, molds or insects
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to preservative technology field, and in particular to a kind of timber preservative.The present invention adds sodium metaperiodate stirring after first cornstarch is mixed with water, insulated and stirred is reacted after adjusted pH, again by reactant and acetone hybrid filtering, filter residue is dried into obtain modified starch, then by cocamidopropyl propyl amide amine oxide and Triadimenol, mixed after the stirring such as isopropanol with deionized water, form emulsion oil-in-water, again by after modified starch deionized water dissolving with pyrolkigneous liquid, natamycin etc. mixes to obtain biological antibiotic agent solution, finally it is mixed with emulsion oil-in-water grade ratio filling, timber preservative can be obtained, timber preservative produced by the present invention has preferably mould proof, insect prevention and antiseptic effect, it is simultaneously green, environment and human body will not be caused damage after use, and antiseptic effect is preferable, the preventive effect time is grown, have broad application prospects.
Description
Technical field
The invention belongs to preservative technology field, and in particular to a kind of timber preservative.
Background technology
Timber is unique reproducible structural material in four big materials, has the spies such as nontoxic, pollution-free, attractive in appearance, easy processing
Point, it is most affine with the mankind, it is the green natural product being loved by people.But the main component of timber is lignin, cellulose
And hemicellulose, it is easily rotten by entomogenous fungi erosion in the case where temperature, moisture, humidity, acid-base value are suitable, cause timber
Service life shortens.According to statistics, the service life of the timber after preservative treatment can extend 5~6 times.Therefore, timber is carried out
Preservative treatment is prolonging wood service life, it is horizontal to improve wood utilization, saves the important channel of timber resources and means.
Timber preservative species it is more it is currently used have lindane, penta sodium pentachlorophenate, copper chromium arsenic, the molten alkylamine copper of ammonia etc., so
And all containing harmful components such as heavy metal, formaldehyde in these Wood in Common Use preservatives, it is very big using that will cause to environment and the mankind
Potential hazard, and the performance of some timber preservatives is single, and anti-domestomycetes, the scope of worm are narrow, it is difficult to make processing
Timber afterwards reaches expected antiseptic effect.Therefore, a kind of favorable anti-corrosion effect, good, the environmentally friendly anti-corrosion of antibacterial, worm broad spectrum activity are developed
Agent seems very necessary.
The content of the invention
Present invention mainly solves technical problem：Contain numerous harmful components for existing timber preservative, to environment
And the mankind cause great potential hazard, and the performance of preservative is single, and anti-domestomycetes, the scope of worm are narrow, anti-corrosion effect
A kind of the defects of fruit is undesirable, there is provided timber preservative.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of timber preservative, is counted in parts by weight, including 100~120 parts of biological antibiotic liquid, 100~150 parts of oil-in-water breasts
Liquid.
It is characterized in that：Described biological antibiosis agent liquid is to count in parts by weight, respectively choose 30~40 portions of modified starches,
150~200 parts of deionized waters, 20~30 parts of pyrolkigneous liquid, 5~7 parts of chitosans and 0.1~0.3 part of natamycin.
The preparation method of the modified starch is：（1）In mass ratio 1:4, farina and water mixing are weighed, stirring is mixed
Close to obtain cornstarch dispersion liquid；（2）The sodium metaperiodate of cornstarch dispersion liquid quality 3~5% is added into cornstarch dispersion liquid,
It is 4.0~5.0 to be stirred rear salt acid for adjusting pH value, obtains mixed liquor；（3）Mixed liquor is heated to 80~90 DEG C, insulated and stirred
Reactant is obtained after reacting 3~5h；（4）In mass ratio 1:10 mix reactant with acetone, are filtered after being stirred, obtain filter residue,
It is put into baking oven and dries, obtains modified starch.
The preparation method of described oil-in-water emulsion is：（1）In mass ratio 3:2:1, by nonionic surfactant, both sexes
Surfactant and bactericide mixing, obtain mixed liquor；（2）In mass ratio 1:2 mix mixed liquor and vegetable oil, are obtained in vain after stirring
Color emulsion；（3）In mass ratio 1:20 mix white emulsion and water, and 30~50min is stirred with 1000~1200r/min rotating speeds,
Obtain oil-in-water emulsion.
Described nonionic surfactant is one kind in NPE, Tween-20 and sorbester p17.
Described amphoteric surfactant is dodecyldimethylammonium hydroxide inner salt, dodecyl azochlorosulfonate propyl lycine and 12
One kind in alkyl ethoxy sulfobetaines.
Described bactericide is one kind in sodium benzoate, Triadimenol and dimethyl fumarate.
Described vegetable oil is the one or more in soybean oil, peanut oil, sesame oil, tea-seed oil.
The beneficial effects of the invention are as follows：
（1）The present invention using after biological antibiotic liquid and oil-in-water emulsion mixing timber preservative, the modification in biological antibiosis agent
Starch is to carry out oxidation modification to farina, and starch surface will can introduce carboxyl and aldehyde after peroxidating after glycosidic bonds
Base, starch molecule functional group is changed, so as to strengthen the hydrophily of starch and film forming, and add chitosan, not only have
There are excellent antibiotic property, and the entanglement between oxidized starch and chitosan, the friendship between chitosan and oxidized starch molecule
Connection is close, hole is smaller and runs through each other, can form compact structure, isolating oxygen air film, added between membrane molecule pyrolkigneous liquid and
Natamycin is antiseptic, and antiseptic is green, to people and animals' low toxicity, meets safe and environment-friendly requirement, solves traditional wood
Material preservative is to people and animals' toxicity compared with the problem of high, environmental hazard is big, and processing cost is high；
（2）Oil-in-water emulsion of the present invention is the main matter of timber preservative, nonionic surfactant and amophoteric surface active
Agent has good emulsifiability, and vegetable oil and bactericide can be prepared to homogeneous, transparent microemulsion liquid after compound, had
Excellent stability, antibacterial wood preservative have good anti-corrosion, mould proof and insect prevention effect, and drug effect is high, usage amount is low.
Embodiment
In mass ratio 1:4, cornstarch and deionized water mixing are weighed, 1 is stirred with 800~1000r/min rotating speeds
~2h, cornstarch dispersion liquid is obtained, the sodium metaperiodate of cornstarch dispersion liquid quality 3~5% is added into cornstarch dispersion liquid,
It is 4.0~5.0 to be stirred after 20~30min with the hydrochloric acid solution of mass fraction 15% regulation pH value, mixed liquor is obtained, by mixed liquor
It is fitted into three-necked flask, is put into water-bath, it is 80~90 DEG C to set bath temperature, and insulated and stirred reacts 3~5h, and reaction terminates
Afterwards, in mass ratio 1:10 mix reactant with acetone, are filtered after being stirred 30~50min, obtain filter residue, are put into baking oven,
5~7h is dried at a temperature of 55~65 DEG C, obtains modified starch, in mass ratio 3:2:1, the negated ionic surface active agent of difference, two
Property surfactant and bactericide mixing, obtain mixed liquor, then in mass ratio 1:2 mix mixed liquor and vegetable oil, with 400~
500r/min rotating speeds be stirred 30~40min formed white emulsion, in mass ratio 1:20 mix white emulsion and water, with
1000~1200r/min rotating speeds stir 30~50min, obtain oil-in-water emulsion, the modified starch for weighing 30~40g is added to 200
In~300g deionized waters, 60~70 DEG C are heated to, stirs to modified starch and is completely dissolved to obtain modified starch solution, by volume
5:1 mixes modified starch solution and pyrolkigneous liquid, is stirred after 50~70min and sequentially adds the shell of pyrolkigneous liquid quality 5~7% and gather
Sugar and the natamycin of pyrolkigneous liquid quality 0.1~0.3%, biological antibiotic agent solution is obtained after continuing 1~3h of stirring, by biological antibiosis agent
The emulsion oil-in-water of solution sum in mass ratio 1:1 mixing, mixes tinning after 5~7h, you can obtain timber preservative.Described
Nonionic surfactant is one kind in NPE, Tween-20 and sorbester p17.Described amophoteric surface active
Agent is one in dodecyldimethylammonium hydroxide inner salt, dodecyl azochlorosulfonate propyl lycine and dodecyl ethyoxyl sulfobetaines
Kind.Described bactericide is one kind in sodium benzoate, Triadimenol and dimethyl fumarate.Described vegetable oil be soybean oil,
One or more in peanut oil, sesame oil, tea-seed oil.
Example 1
In mass ratio 1:4, cornstarch and deionized water mixing are weighed, 1h is stirred with 800r/min rotating speeds, obtains corn shallow lake
Powder dispersion liquid, the sodium metaperiodate of cornstarch dispersion liquid quality 3% is added into cornstarch dispersion liquid, is used after being stirred 20min
The hydrochloric acid solution of mass fraction 15% regulation pH value is 4.0, obtains mixed liquor, mixed liquor is fitted into three-necked flask, be put into water-bath
In, it is 80 DEG C to set bath temperature, insulated and stirred reaction 3h, after reaction terminates, in mass ratio 1:10 mix reactant and acetone
Close, filtered after being stirred 30min, obtain filter residue, be put into baking oven, 5h is dried at a temperature of 55 DEG C, modified starch is obtained, by quality
Than 3:2:1, NPE, dodecyldimethylammonium hydroxide inner salt and sodium benzoate mixing are taken respectively, obtain mixed liquor, then
In mass ratio 1:2 mix mixed liquor and soybean oil, and being stirred 30min with 400r/min rotating speeds forms white emulsion, by matter
Measure ratio 1:20 mix white emulsion and water, stir 30min with 1000r/min rotating speeds, obtain oil-in-water emulsion, weigh changing for 30g
Property starch is added in 200g deionized waters, is heated to 60 DEG C, is stirred to modified starch and be completely dissolved to obtain modified starch solution, presses
Volume ratio 5:1 mixes modified starch solution and pyrolkigneous liquid, and the chitosan of pyrolkigneous liquid quality 5% is sequentially added after being stirred 50min
With the natamycin of pyrolkigneous liquid quality 0.1%, continue to obtain biological antibiotic agent solution after stirring 1h, by the water of biological antibiotic agent solution sum
Oil-in emulsion in mass ratio 1:1 mixing, mixes tinning after 5h, you can obtain timber preservative.
Example 2
In mass ratio 1:4, cornstarch and deionized water mixing are weighed, 1h is stirred with 9000r/min rotating speeds, obtains corn shallow lake
Powder dispersion liquid, the sodium metaperiodate of cornstarch dispersion liquid quality 4% is added into cornstarch dispersion liquid, is used after being stirred 25min
The hydrochloric acid solution of mass fraction 15% regulation pH value is 4.5, obtains mixed liquor, mixed liquor is fitted into three-necked flask, be put into water-bath
In, it is 85 DEG C to set bath temperature, insulated and stirred reaction 4h, after reaction terminates, in mass ratio 1:10 mix reactant and acetone
Close, filtered after being stirred 40min, obtain filter residue, be put into baking oven, 6h is dried at a temperature of 60 DEG C, modified starch is obtained, by quality
Than 3:2:1, Tween-20, dodecyl azochlorosulfonate propyl lycine and Triadimenol mixing are taken respectively, obtain mixed liquor, then in mass ratio 1:2
Mixed liquor and peanut oil are mixed, being stirred 35min with 450r/min rotating speeds forms white emulsion, and in mass ratio 1:20 will be white
Color emulsion and water mixing, stir 40min with 1100r/min rotating speeds, obtain oil-in-water emulsion, the modified starch for weighing 35g is added to
In 250g deionized waters, 65 DEG C are heated to, stirs to modified starch and is completely dissolved to obtain modified starch solution, by volume 5:1 will
Modified starch solution and pyrolkigneous liquid mixing, the chitosan of pyrolkigneous liquid quality 6% and pyrolkigneous liquid matter are sequentially added after being stirred 60min
0.2% natamycin is measured, continues to obtain biological antibiotic agent solution after stirring 2h, by the emulsion oil-in-water of biological antibiotic agent solution sum
In mass ratio 1:1 mixing, mixes tinning after 6h, you can obtain timber preservative.
Example 3
In mass ratio 1:4, cornstarch and deionized water mixing are weighed, 2h is stirred with 1000r/min rotating speeds, obtains corn shallow lake
Powder dispersion liquid, the sodium metaperiodate of cornstarch dispersion liquid quality 5% is added into cornstarch dispersion liquid, is used after being stirred 30min
The hydrochloric acid solution of mass fraction 15% regulation pH value is 5.0, obtains mixed liquor, mixed liquor is fitted into three-necked flask, be put into water-bath
In, it is 90 DEG C to set bath temperature, insulated and stirred reaction 5h, after reaction terminates, in mass ratio 1:10 mix reactant and acetone
Close, filtered after being stirred 50min, obtain filter residue, be put into baking oven, 7h is dried at a temperature of 65 DEG C, modified starch is obtained, by quality
Than 3:2:1, sorbester p17, dodecyl ethyoxyl sulfobetaines and dimethyl fumarate mixing are taken respectively, obtain mixed liquor, then press
Mass ratio 1:2 mix mixed liquor and sesame oil, and being stirred 40min with 500r/min rotating speeds forms white emulsion, by quality
Than 1:20 mix white emulsion and water, stir 50min with 1200r/min rotating speeds, obtain oil-in-water emulsion, weigh 40g modification
Starch is added in 300g deionized waters, is heated to 70 DEG C, is stirred to modified starch and is completely dissolved to obtain modified starch solution, by body
Product ratio 5:1 mixes modified starch solution and pyrolkigneous liquid, be stirred after 70min sequentially add the chitosan of pyrolkigneous liquid quality 7% and
The natamycin of pyrolkigneous liquid quality 0.3%, continue to obtain biological antibiotic agent solution after stirring 3h, by the water bag of biological antibiotic agent solution sum
Water emulsion in mass ratio 1:1 mixing, mixes tinning after 7h, you can obtain timber preservative.
To timber preservative made from example 1~3 and Inorganic Boron class timber preservative（Comparative example）Performance test is carried out, it is detected
As a result such as following table：
As can be seen from the above table, timber preservative produced by the present invention has broad-spectrum sterilization, insect prevention, anti-mold effect, can answer extensively
Field is fitted up for indoor and outdoor furniture, building materials and garden architecture, there is preferable prospect of the application.
Claims (8)
1. a kind of timber preservative, is counted in parts by weight, including 100~120 parts of biological antibiotic liquid, 100~150 parts of oil-in-water breasts
Liquid.
2. it is characterized in that：Described biological antibiosis agent liquid is to count in parts by weight, respectively choose 30~40 portions of modified starches,
150~200 parts of deionized waters, 20~30 parts of pyrolkigneous liquid, 5~7 parts of chitosans and 0.1~0.3 part of natamycin.
A kind of 3. timber preservative according to claim 1, it is characterised in that：The preparation method of the modified starch is：
（1）In mass ratio 1:4, farina and water mixing are weighed, is stirred to obtain cornstarch dispersion liquid；（2）To cornstarch
The sodium metaperiodate of cornstarch dispersion liquid quality 3~5% is added in dispersion liquid, it is 4.0~5.0 to be stirred rear salt acid for adjusting pH value,
Obtain mixed liquor；（3）Mixed liquor is heated to 80~90 DEG C, insulated and stirred obtains reactant after reacting 3~5h；（4）In mass ratio 1:
10 mix reactant with acetone, are filtered after being stirred, obtain filter residue, are put into baking oven and dry, obtain modified starch.
A kind of 4. timber preservative according to claim 1, it is characterised in that：The preparation method of described oil-in-water emulsion
For：（1）In mass ratio 3:2:1, nonionic surfactant, amphoteric surfactant and bactericide are mixed, obtain mixed liquor；
（2）In mass ratio 1:2 mix mixed liquor and vegetable oil, and white emulsion is obtained after stirring；（3）In mass ratio 1:20 by white emulsion
Mixed with water, 30~50min is stirred with 1000~1200r/min rotating speeds, obtains oil-in-water emulsion.
A kind of 5. timber preservative according to claim 3, it is characterised in that：Described nonionic surfactant is nonyl
One kind in base phenol polyethenoxy ether, Tween-20 and sorbester p17.
A kind of 6. timber preservative according to claim 3, it is characterised in that：Described amphoteric surfactant is 12
One kind in alkyl dimethyl betaine, dodecyl azochlorosulfonate propyl lycine and dodecyl ethyoxyl sulfobetaines.
A kind of 7. timber preservative according to claim 3, it is characterised in that：Described bactericide is sodium benzoate, three
One kind in azoles alcohol and dimethyl fumarate.
A kind of 8. timber preservative according to claim 3, it is characterised in that：Described vegetable oil is soybean oil, peanut
One or more in oil, sesame oil, tea-seed oil.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710424554.8A CN107363946B (en) | 2017-06-07 | 2017-06-07 | A kind of timber preservative |
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|---|---|---|---|
| CN201710424554.8A CN107363946B (en) | 2017-06-07 | 2017-06-07 | A kind of timber preservative |
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| CN107363946A true CN107363946A (en) | 2017-11-21 |
| CN107363946B CN107363946B (en) | 2019-11-05 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108576035A (en) * | 2018-05-07 | 2018-09-28 | 广州佳伲思抗菌材料有限公司 | A kind of mildew removing agent and preparation method thereof |
| CN110948622A (en) * | 2019-11-25 | 2020-04-03 | 北京世纪京洲家具有限责任公司 | Durable anticorrosion treatment method for wood |
| CN113696292A (en) * | 2021-09-22 | 2021-11-26 | 广州市方连科技有限公司 | Preparation method of environment-friendly nontoxic wood preservative |
| CN113736296A (en) * | 2021-09-15 | 2021-12-03 | 江西力度新材料有限公司 | Efficient mildew-proof and bactericidal wood preservative paint |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108576035A (en) * | 2018-05-07 | 2018-09-28 | 广州佳伲思抗菌材料有限公司 | A kind of mildew removing agent and preparation method thereof |
| CN110948622A (en) * | 2019-11-25 | 2020-04-03 | 北京世纪京洲家具有限责任公司 | Durable anticorrosion treatment method for wood |
| CN113736296A (en) * | 2021-09-15 | 2021-12-03 | 江西力度新材料有限公司 | Efficient mildew-proof and bactericidal wood preservative paint |
| CN113696292A (en) * | 2021-09-22 | 2021-11-26 | 广州市方连科技有限公司 | Preparation method of environment-friendly nontoxic wood preservative |
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| CN107363946B (en) | 2019-11-05 |
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