CN112405749A - Natural efficient antibacterial preservative - Google Patents
Natural efficient antibacterial preservative Download PDFInfo
- Publication number
- CN112405749A CN112405749A CN202011168325.2A CN202011168325A CN112405749A CN 112405749 A CN112405749 A CN 112405749A CN 202011168325 A CN202011168325 A CN 202011168325A CN 112405749 A CN112405749 A CN 112405749A
- Authority
- CN
- China
- Prior art keywords
- parts
- stirring
- distilled water
- preservative
- radix sophorae
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N55/00—Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur
- A01N55/02—Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur containing metal atoms
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/10—Apiaceae or Umbelliferae [Carrot family], e.g. parsley, caraway, dill, lovage, fennel or snakebed
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/20—Fabaceae or Leguminosae [Pea or Legume family], e.g. pea, lentil, soybean, clover, acacia, honey locust, derris or millettia
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/24—Lauraceae [Laurel family], e.g. laurel, avocado, sassafras, cinnamon or camphor
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/32—Ranunculaceae [Buttercup family], e.g. hepatica, hydrastis or goldenseal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Agronomy & Crop Science (AREA)
- Plant Pathology (AREA)
- Dentistry (AREA)
- Wood Science & Technology (AREA)
- Natural Medicines & Medicinal Plants (AREA)
- Environmental Sciences (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Mycology (AREA)
- Pest Control & Pesticides (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a natural efficient antibacterial preservative, the natural bacteriostatic agent in the scheme is prepared from radix sophorae flavescentis, coptis chinensis, fructus cnidii and cinnamomum camphora leaves, and the radix sophorae flavescentis has good effects of clearing heat, drying dampness and killing insects; fructus Cnidii is ellipse dry fruit of cnidium monnieri (L.) kurz of Umbelliferae, contains osthole with antiinflammatory, antibacterial, and insecticidal effects, and also has obvious inhibitory effect on plant pathogenic fungi; the coptis chinensis has the pharmacological effects of resisting bacteria, viruses and protozoa of resisting pathogenic microorganisms, and also has a relatively obvious inhibiting effect on fungi; the camphor leaves have good insect expelling effect, and the radix sophorae flavescentis, the coptis chinensis, the fructus cnidii and the camphor leaves are cooperatively acted, so that the corrosion resistance of the preservative is effectively improved, and the insect expelling and insect pest preventing performance is also improved; the invention has reasonable process design and simple operation, and the used natural herbal medicines and plant extract are originally used, so the cost is lower.
Description
Technical Field
The invention relates to the technical field of preservatives, and particularly relates to a natural efficient antibacterial preservative.
Background
Wood Preservative (Wood Preservative) is a chemical agent, and after the Wood Preservative is injected into Wood by a certain method, the effects of resisting bacterial decay, insect damage, marine drilling animal erosion and the like of the Wood can be enhanced; before use, according to different application environments, the proper preservative is selected, and the decay of the wood can be effectively delayed after the treatment.
The wood preservative comprises the following components: water-borne (water-soluble) preservatives such as CCA, ACQ, CA-B, CB-A, ACZA, ACC, CC, and the like; organic solvent preservatives, such as pentachlorophenol, chlorothalonil, copper naphthenate and the like, copper 8 hydroxyquinolinate; and oil preservatives such as preservative oil, coal tar, anthracene oil and the like.
Along with the development and improvement of social economy, the demand of China on wood is increasingly improved, and meanwhile, the requirement on wood preservatives is higher and higher according to the idea of protecting the environment, and the existing wood preservatives are expected to have effective corrosion and insect prevention effects on the wood, so that the service life of the wood is prolonged; however, in actual use, due to factors such as rain, humid environment and the like, the service life of the preservative is greatly influenced, which brings inconvenience to research.
Disclosure of Invention
The invention aims to provide a natural efficient antibacterial preservative and a preparation method thereof, and aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a natural high-efficiency antibacterial preservative comprises the following raw material components: by weight, 5-30 parts of natural bacteriostatic agent, 10-20 parts of adsorbent, 10-45 parts of additive, 20-50 parts of quaternary ammonium salt, 10-30 parts of paraffin, 3-8 parts of insect repellent, 2-7 parts of tebuconazole, 5-18 parts of cyproconazole and 2-6 parts of 6-hydroxyoxazoline copper.
The invention discloses a natural high-efficiency antibacterial preservative which comprises components such as a natural bacteriostatic agent, an adsorbent, an additive, quaternary ammonium salt, paraffin, an insect repellent and the like.
According to an optimized scheme, the natural bacteriostatic agent comprises the following raw material components: by weight, 3-9 parts of radix sophorae flavescentis, 5-15 parts of coptis chinensis, 4-8 parts of fructus cnidii and 5-18 parts of cinnamomum camphora leaves.
The natural bacteriostatic agent is prepared from radix sophorae flavescentis, coptis chinensis, fructus cnidii and cinnamomum camphora leaves, the radix sophorae flavescentis is bitter in taste and cold in nature, and enters heart, liver, stomach, large intestine and bladder channels, so that the natural bacteriostatic agent has good effects of clearing heat, drying dampness and killing insects, and particularly has good effects on killing insects, preventing mildew and sterilizing of plants; fructus Cnidii is ellipse dry fruit of cnidium monnieri (L.) kurz belonging to Umbelliferae, has wide pharmacological activity, contains osthole with antiinflammatory, antibacterial, and insecticidal effects, and also has obvious inhibitory effect on plant pathogenic fungi; the coptis chinensis has the pharmacological effects of resisting bacteria, viruses and protozoa of resisting pathogenic microorganisms, and also has a relatively obvious inhibiting effect on fungi; the camphor leaves have good insect expelling effect, and the radix sophorae flavescentis, the coptis chinensis, the fructus cnidii and the camphor leaves are cooperatively acted, so that the corrosion resistance of the preservative is effectively improved, and the insect expelling and insect pest preventing performance is also improved.
According to an optimized scheme, the raw material components of the adsorbent comprise: by weight, 3-10 parts of polyvinylpyrrolidone, 5-20 parts of styrene, 5-10 parts of initiator, 3-15 parts of ethanol, 5-20 parts of tetraethyl orthosilicate, 6-12 parts of cellulose and 2-8 parts of hexadecyl trimethyl ammonium bromide.
The adsorbent is prepared from components such as polyvinylpyrrolidone, styrene, an initiator and tetraethyl orthosilicate, the prepared adsorbent is a single-shell hollow mesoporous silica sphere which has a large specific surface area and a good mesoporous structure and can be loaded with the prepared natural bacteriostatic agent, the natural bacteriostatic agent adsorbed on the surface of the silica sphere can have an antibacterial effect in actual use, and along with the extension of the use time, the natural bacteriostatic agent in the silica sphere can be diffused to the surface and continuously has the antibacterial effect.
According to an optimized scheme, the additive comprises the following raw material components: 5-25 parts of chitosan, 5-15 parts of starch, 6-14 parts of polyvinyl alcohol and 3-10 parts of glycerol by weight.
In an optimized scheme, the initiator is azobisisobutyronitrile; the insect-resist agent is any one of imidacloprid, dinotefuran and organic nitrogen insecticide.
According to an optimized scheme, the preparation method of the natural efficient antibacterial preservative comprises the following steps:
1) preparing raw materials;
2) preparing a natural bacteriostatic agent;
3) preparing an adsorbent;
4) preparing chitosan, starch, polyvinyl alcohol, glycerol, a natural bacteriostatic agent and an adsorbent to obtain a material C;
5) and (2) preparing the preservative by taking quaternary ammonium salt, an insect repellent, tebuconazole, cyproconazole, 6-hydroxyoxazoline copper, paraffin and a material C.
The optimized scheme comprises the following steps:
1) preparing raw materials:
2) preparing a natural bacteriostatic agent:
a) respectively putting the radix sophorae flavescentis, the coptis chinensis and the fructus cnidii prepared in the step 1) into a pulverizer to be pulverized, respectively soaking in water, steaming and filtering residues, concentrating and drying to respectively obtain radix sophorae flavescentis powder, coptis chinensis powder and fructus cnidii powder;
b) cleaning the camphor leaves prepared in the step 1) with distilled water, drying in an oven, crushing into sheets after drying, soaking in distilled water, distilling at 60-65 ℃, and removing impurities to obtain camphor leaf essential oil;
c) taking the sophora flavescens powder, the coptis chinensis powder and the fructus cnidii powder prepared in the step a) and the camphor leaf essential oil prepared in the step b), and stirring to obtain the natural bacteriostatic agent;
3) preparing an adsorbent:
a) putting the polyvinylpyrrolidone prepared in the step 1) into a three-neck flask, dissolving the polyvinylpyrrolidone with distilled water, and stirring the polyvinylpyrrolidone in a nitrogen environment; then taking the styrene prepared in the step 1), respectively washing with 10% sodium hydroxide and distilled water, slowly adding into a three-neck flask, stirring, and refluxing for 1-2h at the rotating speed of 170-;
b) preparing a mixed solution of an initiator and distilled water by taking the initiator prepared in the step 1), putting the mixed solution into a three-neck flask, carrying out oil bath reaction at 70-80 ℃, centrifuging after the reaction to remove supernatant, washing by using distilled water, and dispersing to obtain polystyrene dispersed emulsion;
c) preparing a mixed solution of ethanol and distilled water from the ethanol prepared in the step 1), adding the hexadecyl trimethyl ammonium bromide prepared in the step 1), stirring for 10-20min at room temperature, adding the polystyrene dispersed emulsion prepared in the step b) and ammonia water, stirring for reaction, slowly dropwise adding tetraethyl orthosilicate, continuing to stir for reaction, adding the cellulose prepared in the step 1), and continuing to stir to obtain a material A;
d) centrifuging the material A prepared in the step c), washing with distilled water, drying in an oven, calcining in a muffle furnace, and roasting for 8-9h to obtain an adsorbent;
4) dissolving the chitosan prepared in the step 1) in a glacial acetic acid solution, magnetically stirring, and centrifuging for 10-20min to obtain a supernatant B; putting the starch prepared in the step 1) into boiled distilled water, cooling, putting into the supernatant B, stirring, adding the polyvinyl alcohol, the natural bacteriostatic agent prepared in the step 2) and the adsorbent prepared in the step 3), continuing stirring, adding the glycerol after uniformly mixing, and continuing stirring until uniformly mixing to obtain a material C;
5) taking the quaternary ammonium salt prepared in the step 1), preparing amine solution of the quaternary ammonium salt, adding the insect-resist agent prepared in the step 1), tebuconazole, cyproconazole and 6-copper hydroxyoxazoline, heating to 40-60 ℃, and stirring for 20-40 min; stirring and mixing, then adding the paraffin and the material C prepared in the step 4), and continuously stirring to obtain the preservative.
The optimized scheme comprises the following steps:
1) preparing raw materials:
a) weighing quaternary ammonium salt, paraffin, chitosan, starch, polyvinyl alcohol, glycerol, an insect repellent, tebuconazole, cyproconazole and 6-hydroxy oxazoline copper according to a proportion for later use;
b) weighing radix Sophorae Flavescentis, Coptidis rhizoma, fructus Cnidii and folium Cinnamomi Camphorae at a certain proportion;
c) weighing polyvinylpyrrolidone, styrene, an initiator, ethanol, tetraethyl orthosilicate, cellulose and hexadecyl trimethyl ammonium bromide according to a proportion for later use; the preparation of raw materials of each component in the step 1) is carried out, so that operators can conveniently carry out subsequent preparation processes;
2) preparing a natural bacteriostatic agent:
a) pulverizing radix Sophorae Flavescentis, Coptidis rhizoma and fructus Cnidii prepared in step 1) respectively in a pulverizer, soaking in water for 2-3 hr, decocting for 30-40min, filtering, concentrating, and drying to obtain radix Sophorae Flavescentis powder, Coptidis rhizoma powder and fructus Cnidii powder; in the step 2), firstly, crushing and soaking the radix sophorae flavescentis, the coptis chinensis and the fructus cnidii, and then distilling to respectively obtain radix sophorae flavescentis powder, coptis chinensis powder and fructus cnidii powder;
b) cleaning the camphor leaves prepared in the step 1) with distilled water, drying in an oven, crushing into sheets after drying, soaking in distilled water for 1-2h, distilling at 60-65 ℃ for 1-2h, and removing impurities to obtain camphor leaf essential oil; crushing and soaking the camphor leaves in the step b), and distilling to obtain camphor leaf essential oil;
c) mixing the radix Sophorae Flavescentis powder, Coptidis rhizoma powder, fructus Cnidii powder and the essential oil of folium Cinnamomi Camphorae prepared in step b) for 10-20min to obtain natural antibacterial agent; mixing and stirring the camphor leaf essential oil, the sophora flavescens powder, the coptis chinensis powder and the fructus cnidii powder in the step c) to obtain a compound preparation, namely the natural bacteriostatic agent;
3) preparing an adsorbent:
a) putting the polyvinylpyrrolidone prepared in the step 1) into a three-neck flask, dissolving the polyvinylpyrrolidone in distilled water, and stirring the polyvinylpyrrolidone for 30-40min under a nitrogen environment; then taking the styrene prepared in the step 1), respectively washing with 10% sodium hydroxide and distilled water, slowly adding into a three-neck flask, stirring for 20-30min, and refluxing for 1-2h at the rotating speed of 170-;
b) preparing a mixed solution of an initiator and distilled water by taking the initiator prepared in the step 1), putting the mixed solution into a three-neck flask, carrying out oil bath reaction at 70-80 ℃ for 24-28h, centrifuging after the reaction to remove supernatant, washing with distilled water for 3-4 times, and dispersing to obtain polystyrene dispersed emulsion; in the step 3), firstly, preparing a polystyrene dispersion emulsion by an emulsion polymerization method, wherein the initiator is selected from azobisisobutyronitrile, and the prepared polystyrene spheres are uniform in size and good in dispersibility;
c) mixing the ethanol prepared in the step 1) according to the volume ratio of 9:25 of the ethanol to the distilled water, adding the hexadecyl trimethyl ammonium bromide prepared in the step 1), stirring for 10-20min at room temperature, adding the polystyrene dispersed emulsion prepared in the step b) and ammonia water, reacting for 15-25min, slowly dropwise adding tetraethyl orthosilicate, continuously stirring and reacting for 24-28h, adding the cellulose prepared in the step 1), and continuously stirring for 20-30min to obtain a material A; in the step c), the prepared polystyrene nano particles and the hexadecyl trimethyl ammonium bromide are used as co-templates, and the volume ratio of water to ethanol is 9:25, hydrolyzing the tetraethoxysilane under the catalysis of ammonia water in the mixed solution system, and uniformly coating the generated silicon dioxide particles on the outer surfaces of the polystyrene nano particles to form composite particles; cellulose is added in the step, and can be doped among silicon dioxide particles generated by hydrolysis, and in the subsequent roasting process, the cellulose can be removed by carbonization, irregular holes are reserved on the surfaces of the composite particles, so that the specific surface area of the adsorbent is further improved, and the adsorption performance of the adsorbent and the accommodation capacity of the natural bacteriostatic agent are improved;
d) centrifuging the material A prepared in the step c) at 11000r/min, washing the material A with distilled water for 3 to 4 times, and then placing the material A in an oven for drying, wherein the baking temperature is 70 to 80 ℃; then placing the dried material in a muffle furnace for calcining, and roasting at 550-560 ℃ for 8-9h to obtain an adsorbent; calcining the composite particles prepared in the last step in the step d) at high temperature, removing the template and a surfactant, namely cetyltrimethylammonium bromide, to obtain single-shell hollow mesoporous silica nanoparticles with complete spherical morphology, wherein the single-shell hollow mesoporous silica nanoparticles can be used as a carrier for loading a natural bacteriostatic agent in subsequent preparation;
4) dissolving the chitosan prepared in the step 1) in a glacial acetic acid solution, magnetically stirring for 3-3.5h, and centrifuging at the rotating speed of 4000r/min for 10-20min to obtain a supernatant B; putting the starch prepared in the step 1) into boiled distilled water, cooling, putting into the supernatant B, stirring for 5-10min, adding the polyvinyl alcohol, the natural bacteriostatic agent prepared in the step 2) and the adsorbent prepared in the step 3), stirring for 20-30min at 40-50 ℃, adding glycerol after uniformly mixing, and continuously stirring until uniformly mixing to obtain a material C; loading the natural bacteriostatic agent by matching chitosan and starch in the step 4), wherein the traditional Chinese medicine bacteriostatic agent can be combined with the chitosan and the starch during preparation, and the chitosan and the starch can be crosslinked with the adsorbent prepared in the previous step, so that the natural bacteriostatic agent can enter the adsorbent or be adsorbed on the surface of the adsorbent, and the chitosan and the starch can be added to ensure that the natural bacteriostatic agent can be adhered to the surface of wood, so that the preservative can stably permeate the surface of the wood, and the chitosan has a certain antibacterial effect, and the preservative performance is further improved;
5) taking the quaternary ammonium salt prepared in the step 1), preparing amine solution of the quaternary ammonium salt, adding the insect-resist agent, tebuconazole, cyproconazole and 6-hydroxy oxazoline copper prepared in the step 1), heating to 40-60 ℃, and stirring for 20-40min at the rotating speed of 120 r/min; stirring and mixing, then adding the paraffin and the material C prepared in the step 4), and continuously stirring for 30-50min to obtain the preservative. Compounding other components with the material C in the step 5) to prepare the preservative.
In an optimized scheme, in the step b) of the step 2), the drying temperature of an oven is 80-90 ℃, and the camphor leaves are dried until the water content is 5-7%.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses a natural high-efficiency antibacterial preservative and a preparation method thereof, the process design is reasonable, the operation is simple, the used natural herbal medicines and plant extract are originally used, the cost is lower, the corrosion and insect damage prevention performance of the preservative is effectively improved through the synergistic cooperation of all the components, meanwhile, the preservative can also play a role in slowly releasing a natural bacteriostatic agent, the service life of the preservative is greatly prolonged, and the preservative has higher practicability.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
s1: preparing raw materials:
weighing quaternary ammonium salt, paraffin, chitosan, starch, polyvinyl alcohol, glycerol, an insect-resist agent, tebuconazole, cyproconazole and 6-hydroxy oxazoline copper according to a proportion; weighing radix Sophorae Flavescentis, Coptidis rhizoma, fructus Cnidii and folium Cinnamomi Camphorae at a certain proportion; weighing polyvinylpyrrolidone, styrene, an initiator, ethanol, tetraethyl orthosilicate, cellulose and hexadecyl trimethyl ammonium bromide according to a proportion for later use;
s2: preparing a natural bacteriostatic agent:
s21: pulverizing radix Sophorae Flavescentis, Coptidis rhizoma and fructus Cnidii respectively, soaking in water for 2 hr, decocting for 30min, filtering, concentrating, and drying to obtain radix Sophorae Flavescentis powder, Coptidis rhizoma powder and fructus Cnidii powder;
s22: cleaning prepared camphor leaves with distilled water, drying in an oven at the drying temperature of 80 ℃ until the water content is 5%, crushing into sheets after drying, soaking in distilled water for 1h, distilling at the temperature of 60 ℃ for 1h, and removing impurities to obtain camphor leaf essential oil;
s23: mixing radix Sophorae Flavescentis powder, Coptidis rhizoma powder, fructus Cnidii powder, and Cinnamomum camphora leaf essential oil, and stirring for 10min to obtain natural antibacterial agent;
s3: preparing an adsorbent:
s31: putting polyvinylpyrrolidone into a three-neck flask, dissolving with distilled water, and stirring for 30min under nitrogen environment; then taking styrene, respectively washing with 10% sodium hydroxide and distilled water, slowly adding into a three-neck flask, stirring for 20min, and refluxing at the rotation speed of 170r/min and the temperature of 70 ℃ for 1 h;
s32: taking an initiator, preparing a mixed solution of the initiator and distilled water, putting the mixed solution into a three-neck flask, carrying out oil bath reaction at 70 ℃ for 24 hours, centrifuging after the reaction to remove supernatant, washing with distilled water for 3 times, and dispersing to obtain polystyrene dispersed emulsion;
s33: mixing ethanol and distilled water according to a volume ratio of 9:25, adding hexadecyl trimethyl ammonium bromide, stirring at room temperature for 10min, adding polystyrene dispersed emulsion and ammonia water, reacting for 15min, slowly dropwise adding tetraethyl orthosilicate, continuously stirring for reacting for 24h, adding cellulose, and continuously stirring for 20min to obtain a material A;
s34: taking the material A, centrifuging at 11000r/min, washing with distilled water for 3 times, and then placing in an oven for drying at the baking temperature of 70 ℃; then placing the dried material in a muffle furnace for calcining, and calcining for 8 hours at 550 ℃ to obtain an adsorbent;
s4: dissolving chitosan in glacial acetic acid solution, magnetically stirring for 3h, and centrifuging at 4000r/min for 10min to obtain supernatant B; placing starch in boiling distilled water, cooling, adding into the supernatant B, stirring for 5min, adding polyvinyl alcohol, natural bacteriostatic agent and adsorbent, stirring at 40 deg.C for 20min, adding glycerol, and stirring to obtain material C;
s5: taking quaternary ammonium salt, preparing amine solution of the quaternary ammonium salt, adding an insect-resist agent, tebuconazole, cyproconazole and 6-hydroxy oxazoline copper, heating to 40 ℃, and stirring for 20min at the rotating speed of 100 r/min; stirring and mixing, then adding the paraffin and the material C, and continuously stirring for 30min to obtain the preservative.
In the embodiment, the antibacterial agent comprises 5 parts of a natural antibacterial agent, 10 parts of an adsorbent, 10 parts of an additive, 20 parts of a quaternary ammonium salt, 10 parts of paraffin, 3 parts of an insect repellent, 2 parts of tebuconazole, 5 parts of cyproconazole and 2 parts of 6-hydroxyoxazoline copper.
The natural bacteriostatic agent comprises the following raw material components: by weight, 3 parts of radix sophorae flavescentis, 5 parts of coptis chinensis, 4 parts of fructus cnidii and 5-18 parts of camphor leaves; the adsorbent comprises the following raw material components: by weight, 3 parts of polyvinylpyrrolidone, 5 parts of styrene, 5 parts of initiator, 3 parts of ethanol, 5 parts of tetraethyl orthosilicate, 6 parts of cellulose and 2 parts of hexadecyl trimethyl ammonium bromide.
The additive comprises the following raw material components: by weight, 5 parts of chitosan, 5 parts of starch, 6 parts of polyvinyl alcohol and 3 parts of glycerol; the initiator is azobisisobutyronitrile; the insect-resist agent is imidacloprid.
Example 2:
s1: preparing raw materials:
weighing quaternary ammonium salt, paraffin, chitosan, starch, polyvinyl alcohol, glycerol, an insect-resist agent, tebuconazole, cyproconazole and 6-hydroxy oxazoline copper according to a proportion; weighing radix Sophorae Flavescentis, Coptidis rhizoma, fructus Cnidii and folium Cinnamomi Camphorae at a certain proportion; weighing polyvinylpyrrolidone, styrene, an initiator, ethanol, tetraethyl orthosilicate, cellulose and hexadecyl trimethyl ammonium bromide according to a proportion for later use;
s2: preparing a natural bacteriostatic agent:
s21: pulverizing radix Sophorae Flavescentis, Coptidis rhizoma and fructus Cnidii respectively, soaking in water for 2.5 hr, decocting for 35min, filtering, concentrating, and drying to obtain radix Sophorae Flavescentis powder, Coptidis rhizoma powder and fructus Cnidii powder;
s22: cleaning prepared camphor leaves with distilled water, drying in an oven at 85 ℃, drying the camphor leaves until the water content is 6%, crushing into sheets after drying, soaking in distilled water for 1.5h, distilling at 63 ℃ for 1.5h, and removing impurities to obtain camphor leaf essential oil;
s23: mixing radix Sophorae Flavescentis powder, Coptidis rhizoma powder, fructus Cnidii powder, and folium Cinnamomi Camphorae essential oil, and stirring for 15min to obtain natural antibacterial agent;
s3: preparing an adsorbent:
s31: putting polyvinylpyrrolidone into a three-neck flask, dissolving with distilled water, and stirring for 35min under nitrogen environment; then taking styrene, respectively washing with 10% sodium hydroxide and distilled water, slowly adding into a three-neck flask, stirring for 25min, and refluxing at the rotation speed of 175r/min and the temperature of 75 ℃ for 1.5 h;
s32: taking an initiator, preparing a mixed solution of the initiator and distilled water, putting the mixed solution into a three-neck flask, carrying out oil bath reaction at 75 ℃ for 26 hours, centrifuging after the reaction to remove supernatant, washing with distilled water for 3 times, and dispersing to obtain polystyrene dispersed emulsion;
s33: mixing ethanol and distilled water according to a volume ratio of 9:25, adding hexadecyl trimethyl ammonium bromide, stirring at room temperature for 15min, adding polystyrene dispersed emulsion and ammonia water, reacting for 20min, slowly dropwise adding tetraethyl orthosilicate, continuously stirring for reacting for 26h, adding cellulose, and continuously stirring for 25min to obtain a material A;
s34: taking the material A, centrifuging at 11000r/min, washing with distilled water for 3 times, and then placing in an oven for drying at 75 ℃; then placing the dried material in a muffle furnace for calcining, and calcining for 8.5h at 555 ℃ to obtain an adsorbent;
s4: dissolving chitosan in glacial acetic acid solution, magnetically stirring for 3.3h, and centrifuging at 4000r/min for 15min to obtain supernatant B; placing starch in boiling distilled water, cooling, adding into the supernatant B, stirring for 7min, adding polyvinyl alcohol, natural bacteriostatic agent and adsorbent, stirring at 45 deg.C for 25min, adding glycerol, and stirring to obtain material C;
s5: taking quaternary ammonium salt, preparing amine solution of the quaternary ammonium salt, adding an insect-resist agent, tebuconazole, cyproconazole and 6-hydroxy oxazoline copper, heating to 50 ℃, and stirring for 30min at the rotating speed of 110 r/min; stirring and mixing, then adding the paraffin and the material C, and continuously stirring for 30-50min to obtain the preservative.
In the embodiment, the antibacterial agent comprises 15 parts of a natural antibacterial agent, 15 parts of an adsorbent, 20 parts of an additive, 30 parts of a quaternary ammonium salt, 20 parts of paraffin, 6 parts of an insect repellent, 4 parts of tebuconazole, 14 parts of cyproconazole and 4 parts of 6-copper hydroxyoxazoline.
The natural bacteriostatic agent comprises the following raw material components: 7 parts of radix sophorae flavescentis, 10 parts of coptis chinensis, 6 parts of fructus cnidii and 13 parts of camphor leaves.
The adsorbent comprises the following raw material components: by weight, 6 parts of polyvinylpyrrolidone, 14 parts of styrene, 7 parts of initiator, 10 parts of ethanol, 10 parts of tetraethyl orthosilicate, 8 parts of cellulose and 6 parts of hexadecyl trimethyl ammonium bromide.
The additive comprises the following raw material components: by weight, 15 parts of chitosan, 10 parts of starch, 9 parts of polyvinyl alcohol and 6 parts of glycerol; the initiator is azobisisobutyronitrile; the insect-resist agent is dinotefuran.
Example 3:
s1: preparing raw materials:
weighing quaternary ammonium salt, paraffin, chitosan, starch, polyvinyl alcohol, glycerol, an insect-resist agent, tebuconazole, cyproconazole and 6-hydroxy oxazoline copper according to a proportion; weighing radix Sophorae Flavescentis, Coptidis rhizoma, fructus Cnidii and folium Cinnamomi Camphorae at a certain proportion; weighing polyvinylpyrrolidone, styrene, an initiator, ethanol, tetraethyl orthosilicate, cellulose and hexadecyl trimethyl ammonium bromide according to a proportion for later use;
s2: preparing a natural bacteriostatic agent:
s21: pulverizing radix Sophorae Flavescentis, Coptidis rhizoma and fructus Cnidii respectively, soaking in water for 3 hr, decocting for 40min, filtering, concentrating, and drying to obtain radix Sophorae Flavescentis powder, Coptidis rhizoma powder and fructus Cnidii powder;
s22: cleaning prepared camphor leaves with distilled water, drying in an oven at the drying temperature of 90 ℃ until the water content is 7%, crushing into sheets after drying, soaking in distilled water for 2h, distilling at the temperature of 65 ℃ for 2h, and removing impurities to obtain camphor leaf essential oil;
s23: mixing radix Sophorae Flavescentis powder, Coptidis rhizoma powder, fructus Cnidii powder, and Cinnamomum camphora leaf essential oil, and stirring for 20min to obtain natural antibacterial agent;
s3: preparing an adsorbent:
s31: putting polyvinylpyrrolidone into a three-neck flask, dissolving with distilled water, and stirring for 40min under nitrogen environment; then taking styrene, respectively washing with 10% sodium hydroxide and distilled water, slowly adding into a three-neck flask, stirring for 30min, and refluxing at the rotation speed of 180r/min and the temperature of 80 ℃ for 1-2 h;
s32: taking an initiator, preparing a mixed solution of the initiator and distilled water, putting the mixed solution into a three-neck flask, carrying out oil bath reaction at 80 ℃ for 28h, centrifuging after the reaction to remove supernatant, washing with distilled water for 4 times, and dispersing to obtain polystyrene dispersed emulsion;
s33: mixing ethanol and distilled water according to a volume ratio of 9:25, adding hexadecyl trimethyl ammonium bromide, stirring at room temperature for 20min, adding polystyrene dispersed emulsion and ammonia water, reacting for 25min, slowly dropwise adding tetraethyl orthosilicate, continuously stirring for reacting for 28h, adding cellulose, and continuously stirring for 30min to obtain a material A;
s34: taking the material A, centrifuging at 11000r/min, washing with distilled water for 4 times, and then placing in an oven for drying at the baking temperature of 80 ℃; then placing the dried material in a muffle furnace for calcining, and calcining for 9 hours at 560 ℃ to obtain an adsorbent;
s4: dissolving chitosan in glacial acetic acid solution, magnetically stirring for 3.5h, and centrifuging at 4000r/min for 20min to obtain supernatant B; placing starch in boiling distilled water, cooling, adding into the supernatant B, stirring for 10min, adding polyvinyl alcohol, natural bacteriostatic agent and adsorbent, stirring at 50 deg.C for 30min, adding glycerol, and stirring to obtain material C;
s5: taking quaternary ammonium salt, preparing amine solution of the quaternary ammonium salt, adding an insect-resist agent, tebuconazole, cyproconazole and 6-hydroxy oxazoline copper, heating to 60 ℃, and stirring for 40min at the rotating speed of 120 r/min; stirring and mixing, then adding the paraffin and the material C, and continuously stirring for 50min to obtain the preservative.
In the embodiment, 30 parts of natural bacteriostatic agent, 20 parts of adsorbent, 45 parts of additive, 50 parts of quaternary ammonium salt, 30 parts of paraffin, 8 parts of insect repellent, 7 parts of tebuconazole, 18 parts of cyproconazole and 6 parts of 6-copper hydroxyoxazoline.
The natural bacteriostatic agent comprises the following raw material components: 9 parts of radix sophorae flavescentis, 15 parts of coptis chinensis, 8 parts of fructus cnidii and 18 parts of camphor leaves; the adsorbent comprises the following raw material components: by weight, 10 parts of polyvinylpyrrolidone, 20 parts of styrene, 10 parts of initiator, 15 parts of ethanol, 20 parts of tetraethyl orthosilicate, 12 parts of cellulose and 8 parts of hexadecyl trimethyl ammonium bromide.
The additive comprises the following raw material components: 25 parts of chitosan, 15 parts of starch, 14 parts of polyvinyl alcohol and 10 parts of glycerol by weight; the initiator is azobisisobutyronitrile; the insect-resist agent is an organic nitrogen insecticide.
Experiment 1: test of Corrosion resistance
The preservatives prepared in examples 1 to 3 and commercially available preservatives were used on the same wood, respectively, to obtain wood samples 1 to 4.
The white rot fungi Coriolus Versicolor (CV) is taken as a test strain, and the indoor corrosion resistance of the wood preservative of the samples 1-4 is tested according to forestry industry standard LY/T1283-1998, laboratory test method for toxicity of the wood preservative on the rot fungi and national standard GB/T13942.1-2009 laboratory test method for natural corrosion resistance of the wood.
Experiment 2: insect pest control test
In a field test field, wood samples 1-4 are taken to form 4 groups of test samples, each group of test samples is 10 pieces of wood, the test samples are buried in the ground for 2 years, whether the test samples are damaged by termites or not is observed after 2 years, and the intact value of the test samples is measured.
Experiment 3: taking the wood samples of the samples 1-3 groups after the experiment 2 is finished, placing for 4 years, taking white rot fungus Coriolus versicolor (CV for short) as a test strain after 4 years, and detecting the wood samples of the samples 1-3 groups again according to forestry industry standard LY/T1283-1998 'test method for toxicity of wood preservative on rot fungi' and national standard GB/T13942.1-2009 'test method for natural corrosion resistance of wood'.
After testing, the wood samples of samples 1-3 groups were found to still have a corrosion resistance rating of class I.
And (4) conclusion: the preservative prepared by the invention has better corrosion resistance and insect pest resistance, longer service life, stable performance and higher practicability.
The invention discloses a natural efficient antibacterial preservative and a preparation method thereof, the process design is reasonable, the operation is simple, the corrosion and insect damage prevention performance of the preservative is effectively improved through the synergistic cooperation of all the components, and meanwhile, the preservative can also play a role in slowly releasing a natural bacteriostatic agent, so that the service life of the preservative is greatly prolonged.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (1)
1. A natural high-efficiency antibacterial preservative is characterized in that: the preservative comprises the following raw material components: by weight, 5 parts of natural bacteriostatic agent, 10 parts of adsorbent, 10 parts of additive, 20 parts of quaternary ammonium salt, 10 parts of paraffin, 3 parts of insect repellent, 2 parts of tebuconazole, 5 parts of cyproconazole and 2 parts of 6-hydroxy oxazoline copper;
the natural bacteriostatic agent comprises the following raw material components: by weight, 3 parts of radix sophorae flavescentis, 5 parts of coptis chinensis, 4 parts of fructus cnidii and 5-18 parts of camphor leaves;
the adsorbent comprises the following raw material components: by weight, 3 parts of polyvinylpyrrolidone, 5 parts of styrene, 5 parts of initiator, 3 parts of ethanol, 5 parts of tetraethyl orthosilicate, 6 parts of cellulose and 2 parts of hexadecyl trimethyl ammonium bromide;
the additive comprises the following raw material components: by weight, 5 parts of chitosan, 5 parts of starch, 6 parts of polyvinyl alcohol and 3 parts of glycerol; the initiator is azobisisobutyronitrile; the insect-resist agent is imidacloprid;
the preparation method of the preservative specifically comprises the following steps:
1): preparing raw materials:
weighing quaternary ammonium salt, paraffin, chitosan, starch, polyvinyl alcohol, glycerol, an insect repellent, tebuconazole, cyproconazole and 6-hydroxy oxazoline copper according to parts by weight; weighing radix sophorae flavescentis, coptis chinensis, fructus cnidii and cinnamomum camphora leaves according to parts by weight; weighing polyvinylpyrrolidone, styrene, an initiator, ethanol, tetraethyl orthosilicate, cellulose and hexadecyl trimethyl ammonium bromide according to the weight parts for later use;
2): preparing a natural bacteriostatic agent:
a) pulverizing radix Sophorae Flavescentis, Coptidis rhizoma and fructus Cnidii respectively, soaking in water for 2 hr, decocting for 30min, filtering, concentrating, and drying to obtain radix Sophorae Flavescentis powder, Coptidis rhizoma powder and fructus Cnidii powder;
b) cleaning prepared camphor leaves with distilled water, drying in an oven at the drying temperature of 80 ℃ until the water content is 5%, crushing into sheets after drying, soaking in distilled water for 1h, distilling at the temperature of 60 ℃ for 1h, and removing impurities to obtain camphor leaf essential oil;
c) mixing radix Sophorae Flavescentis powder, Coptidis rhizoma powder, fructus Cnidii powder, and Cinnamomum camphora leaf essential oil, and stirring for 10min to obtain natural antibacterial agent;
3): preparing an adsorbent:
a) putting polyvinylpyrrolidone into a three-neck flask, dissolving with distilled water, and stirring for 30min under nitrogen environment; then taking styrene, respectively washing with 10% sodium hydroxide and distilled water, slowly adding into a three-neck flask, stirring for 20min, and refluxing at the rotation speed of 170r/min and the temperature of 70 ℃ for 1 h;
b) taking an initiator, preparing a mixed solution of the initiator and distilled water, putting the mixed solution into a three-neck flask, carrying out oil bath reaction at 70 ℃ for 24 hours, centrifuging after the reaction to remove supernatant, washing with distilled water for 3 times, and dispersing to obtain polystyrene dispersed emulsion;
c) mixing ethanol and distilled water according to a volume ratio of 9:25, adding hexadecyl trimethyl ammonium bromide, stirring at room temperature for 10min, adding polystyrene dispersed emulsion and ammonia water, reacting for 15min, slowly dropwise adding tetraethyl orthosilicate, continuously stirring for reacting for 24h, adding cellulose, and continuously stirring for 20min to obtain a material A;
d) taking the material A, centrifuging at 11000r/min, washing with distilled water for 3 times, and then placing in an oven for drying at the baking temperature of 70 ℃; then placing the dried material in a muffle furnace for calcining, and calcining for 8 hours at 550 ℃ to obtain an adsorbent;
4): dissolving chitosan in glacial acetic acid solution, magnetically stirring for 3h, and centrifuging at 4000r/min for 10min to obtain supernatant B; placing starch in boiling distilled water, cooling, adding into the supernatant B, stirring for 5min, adding polyvinyl alcohol, natural bacteriostatic agent and adsorbent, stirring at 40 deg.C for 20min, adding glycerol, and stirring to obtain material C;
5): taking quaternary ammonium salt, preparing amine solution of the quaternary ammonium salt, adding an insect-resist agent, tebuconazole, cyproconazole and 6-hydroxy oxazoline copper, heating to 40 ℃, and stirring for 20min at the rotating speed of 100 r/min; stirring and mixing, then adding the paraffin and the material C, and continuously stirring for 30min to obtain the preservative.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011168325.2A CN112405749B (en) | 2019-12-02 | 2019-12-02 | Natural efficient antibacterial preservative |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911214697.1A CN110900762B (en) | 2019-12-02 | 2019-12-02 | Natural efficient antibacterial preservative and preparation method thereof |
| CN202011168325.2A CN112405749B (en) | 2019-12-02 | 2019-12-02 | Natural efficient antibacterial preservative |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911214697.1A Division CN110900762B (en) | 2019-12-02 | 2019-12-02 | Natural efficient antibacterial preservative and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112405749A true CN112405749A (en) | 2021-02-26 |
| CN112405749B CN112405749B (en) | 2022-12-27 |
Family
ID=69821690
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011168325.2A Active CN112405749B (en) | 2019-12-02 | 2019-12-02 | Natural efficient antibacterial preservative |
| CN202011168324.8A Pending CN112400907A (en) | 2019-12-02 | 2019-12-02 | Natural high-efficiency antibacterial preservative |
| CN201911214697.1A Active CN110900762B (en) | 2019-12-02 | 2019-12-02 | Natural efficient antibacterial preservative and preparation method thereof |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011168324.8A Pending CN112400907A (en) | 2019-12-02 | 2019-12-02 | Natural high-efficiency antibacterial preservative |
| CN201911214697.1A Active CN110900762B (en) | 2019-12-02 | 2019-12-02 | Natural efficient antibacterial preservative and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN112405749B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112006174A (en) * | 2020-08-21 | 2020-12-01 | 安徽绿保源养殖有限公司 | Preparation method of preservative for feed |
| CN112428380A (en) * | 2020-11-18 | 2021-03-02 | 霍山泓浩竹艺有限公司 | Preparation method of antibacterial environment-friendly bamboo basket |
| CN112497390A (en) * | 2020-11-28 | 2021-03-16 | 无锡市森泰木制品有限公司 | Preparation method of anticorrosion and anti-cracking wood |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1205287A1 (en) * | 2000-11-13 | 2002-05-15 | Sun Technochemicals Co., Ltd. | Wood preservative additive composition |
| CN101683983A (en) * | 2008-09-27 | 2010-03-31 | 中国科学院大连化学物理研究所 | Method for preparing hollow mesoporous lamella spherical silica material |
| CN102069520A (en) * | 2010-11-25 | 2011-05-25 | 浙江大学 | Compound preservative for wood or wood products and preparation method and processing method thereof |
| CN109676726A (en) * | 2018-12-25 | 2019-04-26 | 中南林业科技大学 | A kind of method of modifying of bamboo and wood modifying agent, preparation method and fast-growing bamboo and wood |
| CN110091400A (en) * | 2019-01-24 | 2019-08-06 | 南京天诗蓝盾生物科技有限公司 | A kind of environmentally friendly wood preservative and preparation method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491343B (en) * | 2011-11-22 | 2014-07-30 | 南京林业大学 | Method for preparing nanometer hollow bar-shaped silicon dioxide materials |
| CN105502420A (en) * | 2016-01-25 | 2016-04-20 | 天津大学 | Fully-hollow silicon dioxide microsphere stationary phase and preparation method thereof |
| CN108312276A (en) * | 2017-12-29 | 2018-07-24 | 广德县泉村竹制品有限公司 | A kind of bamboo wood antiseptic finish method |
| CN109366653B (en) * | 2018-12-11 | 2020-09-25 | 国际竹藤中心 | Long-acting mildew-proof wear-resistant processing method for bamboo wood |
| CN110116443A (en) * | 2019-04-30 | 2019-08-13 | 涂保华 | A kind of preparation method of insect prevention sustained release timber preservative |
-
2019
- 2019-12-02 CN CN202011168325.2A patent/CN112405749B/en active Active
- 2019-12-02 CN CN202011168324.8A patent/CN112400907A/en active Pending
- 2019-12-02 CN CN201911214697.1A patent/CN110900762B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1205287A1 (en) * | 2000-11-13 | 2002-05-15 | Sun Technochemicals Co., Ltd. | Wood preservative additive composition |
| CN101683983A (en) * | 2008-09-27 | 2010-03-31 | 中国科学院大连化学物理研究所 | Method for preparing hollow mesoporous lamella spherical silica material |
| CN102069520A (en) * | 2010-11-25 | 2011-05-25 | 浙江大学 | Compound preservative for wood or wood products and preparation method and processing method thereof |
| CN109676726A (en) * | 2018-12-25 | 2019-04-26 | 中南林业科技大学 | A kind of method of modifying of bamboo and wood modifying agent, preparation method and fast-growing bamboo and wood |
| CN110091400A (en) * | 2019-01-24 | 2019-08-06 | 南京天诗蓝盾生物科技有限公司 | A kind of environmentally friendly wood preservative and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 姜卸宏 等: ""新型木材防腐剂的开发和利用（续）"，姜卸宏 等，林产工业，第35卷，第3期，第8-11页，20080518", 《林产工业》 * |
| 张兴华: "《水基涂料》", 31 March 2000, 中国轻工业出版社 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110900762B (en) | 2020-12-01 |
| CN110900762A (en) | 2020-03-24 |
| CN112405749B (en) | 2022-12-27 |
| CN112400907A (en) | 2021-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110900762B (en) | Natural efficient antibacterial preservative and preparation method thereof | |
| Kaur et al. | Eco-friendly preservation of bamboo species: traditional to modern techniques | |
| CN106217542B (en) | Environment-friendly long-life type Nano Silver sill bamboo wood antibacterial mildew inhibitor and preparation method and application | |
| CN101856827A (en) | Wood or bamboo rot-proof processing method | |
| CN106363726B (en) | A kind of method that wood preservation processing is carried out using biomass pyrolysis oil | |
| CN106436312A (en) | Antibacterial cotton textile fiber preparation method | |
| Nair et al. | Decay resistance of rubberwood (Hevea brasiliensis) impregnated with ZnO and CuO nanoparticles dispersed in propylene glycol | |
| CN101850569B (en) | Antiseptic treatment method for timber or bamboo | |
| CN109227834B (en) | Preservative for southern pine outdoor wooden slip culture wall | |
| CN105881683A (en) | Mildew preventive for environment-friendly wood composite material and preparing method of mildew preventive | |
| CN108714947A (en) | A method of compounding fungus-proof antisepsis liquid dipping-high-temperature thermal treatment timber | |
| CN113801495B (en) | Preparation method of antibacterial composite pigment juice green | |
| CN110116443A (en) | A kind of preparation method of insect prevention sustained release timber preservative | |
| CN106965280A (en) | A kind of wood preservation insect-proof agent | |
| CN115104605B (en) | Compound natural plant extract synergistic antibacterial antiviral multishell microcapsule and preparation method and application thereof | |
| Fan et al. | In-situ cinnamaldehyde modification confers bamboo long-acting mold resistance and its reaction mechanisms | |
| CN104085016B (en) | A kind of timber floor timber is with waterproof expelling parasite modification agent | |
| CN107030818A (en) | A kind of preparation method of mildew-proof flame retarded composite wood modifying agent and improved wood | |
| CN111945420B (en) | Environment-friendly silver fiber fabric and preparation method thereof | |
| CN106393348B (en) | A kind of timber preservative containing compound SchiglautoneA | |
| CN104206392A (en) | Complex resistance inducer for prevention of tobacco plant virus and fungal disease, and preparation method and application thereof | |
| CN104085018B (en) | A kind of timber floor timber is with strengthening the agent of heat-resistant anticorrosive modification | |
| CN112277115A (en) | Wood and bamboo preservative containing hydrophobing agent and preparation and application method thereof | |
| TWI303555B (en) | Single-step process for the green color protection of bamboo | |
| CN102941608A (en) | Environment-friendly wood warm color dying method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20221213 Address after: Room 704, building 5, No. 556, Changjiang Road, high tech Zone, Suzhou, Jiangsu 215000 Applicant after: SUZHOU YUDESHUI ELECTRICAL TECHNOLOGY Co.,Ltd. Address before: Room 503, building 3, lanxiyuan, 511 gangtian Road, Suzhou Industrial Park, Jiangsu Province, 215000 Applicant before: Di Rong |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |