CN101248803A - High-efficiency plants mildew resistant coating composition and preparation thereof - Google Patents

High-efficiency plants mildew resistant coating composition and preparation thereof Download PDF

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Publication number
CN101248803A
CN101248803A CNA2008100547060A CN200810054706A CN101248803A CN 101248803 A CN101248803 A CN 101248803A CN A2008100547060 A CNA2008100547060 A CN A2008100547060A CN 200810054706 A CN200810054706 A CN 200810054706A CN 101248803 A CN101248803 A CN 101248803A
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China
Prior art keywords
quaternary ammonium
ammonium salt
mildew
coating composition
extract
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Pending
Application number
CNA2008100547060A
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Chinese (zh)
Inventor
王渊
王毅
罗哓京
李保银
李保海
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Beijing Skyscraper Coating Co Ltd
SHANXI MOTIAN INDUSTRIAL Co Ltd
Original Assignee
Beijing Skyscraper Coating Co Ltd
SHANXI MOTIAN INDUSTRIAL Co Ltd
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Application filed by Beijing Skyscraper Coating Co Ltd, SHANXI MOTIAN INDUSTRIAL Co Ltd filed Critical Beijing Skyscraper Coating Co Ltd
Priority to CNA2008100547060A priority Critical patent/CN101248803A/en
Publication of CN101248803A publication Critical patent/CN101248803A/en
Pending legal-status Critical Current

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Abstract

An efficient plant mildew-proof coating composition includes active components to be natural plant extracts extracting from pseudolarix and moutan bark, and auxiliary components to be quaternary ammonium salt, ethanol and distilled water, etc. With the extracts extracting from pseudolarix and moutan bark which have good mildew-proof function in traditional Chinese medicines, the efficient plant mildew-proof coating composition solves the defects of large consumption, high side effects, difficult degradation in prior chemical mildew-proof agents, and has the environment-friendly and the safe characteristics of natural plant mildew-proof agents. The raw materials thereof have widely sources and the production cost is low. By adopting the cationic surfactant quaternary ammonium salt, the inventive mildew-proof coating composition has the rapid and efficient mildew-proof advantage of chemical medicine and overcomes the disadvantages of low efficiency and slow speed in prior plant mildew-proof agents. The inventive composition coating is applicable to preventing and controlling the mildew generation on object (article) surfaces, and the widely range of application includes mildew control and corrosion control of water pipes, equipment, ancient architectures, metals, cements, wood, ceramic tiles, marbles, paper, fabric, toilet walls and grounds, and food processing workshops.

Description

High-efficiency plants mildew resistant coating composition and preparation method thereof
Technical field
The present invention relates to a kind of anti-removing mildew and preparation method thereof, refer to that especially a kind of is the anti-removing mildew and preparation method thereof of active component with the plant extracts.
Background technology
Mould is ubiquitous in natural environment and human lives, and is huge to industry, agricultural, ancient building, food security and people's life and health hazard.
At present, the dissimilar chemical anti mildew agent of kind surplus in the of existing about 200 on the market.The for example Nano Silver of DC-5700 organosilicon quaternary ammonium salt, the Shenzhen new nanometer application technology Co., Ltd of Dow corning company and photocatalyst fungus resistant coating etc.This this chemical anti mildew agent is commonly disposable effect, exists consumption big and be difficult for the deficiency of degraded, brings persistence to pollute and destroy to ecotope easily.
Also having a class in the prior art is the mould inhibitor of active component with plant or plant extracts, as Chinese patent 2005100450945 disclosed " a kind of protective agent for wood products ", adopting the semi-drying vegetable oil is main component, add again and join other additive and make the paste mould inhibitor, be used for wooden utensil surface mildew-resistant.Chinese patent 200710055445.X disclosed " botanical mildew inhibitor for ginseng commodity " is then sprayed carboxymethyl cellulose and is fully stirred compound stalk forming by raw materials such as the root of Chinese wild ginger, broad-leaved camphor tree, silver wood, cloves, cassia barks behind crushing screening.Chinese patent 901098353 disclosed " a kind of preparation method of natural fungicidal agent " adopts silver wood and broad-leaved camphor tree fresh leaf extract to dilute products obtained therefrom with ethanol and propane diols or glycerine.
Above-mentioned natural plants mould inhibitor all is that the scope of application is narrower at the mould inhibitor product of special object exploitation, is not suitable for use in the wide spectrum mould inhibitor and uses.In addition, the effectiveness duration of above-mentioned mold proof product is shorter, in order to guarantee the permanent anti-mold effect in the particular space, needs regularly to spray (being coated with) frequently, has increased use cost greatly, also can increase the weight of the pollution to environment simultaneously.
Summary of the invention
The present invention is directed to the deficiency that above-mentioned prior art exists, proposed a kind of high-efficiency plants mildew resistant coating composition.The invention allows for the preparation method of said composition.
A kind of high-efficiency plants mildew resistant coating composition of the present invention, by natural plant extracts is active component, it is characterized in that this mildew resistant coating composition is made up of corter pseudolaricis extract, Cortex Moutan extract, quaternary ammonium salt, ethanol water and distilled water, the weight percentage of each component is:
Corter pseudolaricis extract 20-60%; Cortex Moutan extract 10-30%;
Quaternary ammonium salt 1-10%; 75% ethanol water 5-30%;
Surplus is distilled water 0-60%.
Described high-efficiency plants mildew resistant coating composition is characterized in that described corter pseudolaricis extractive content is 30-50%; Cortex Moutan extract content is 15-25%; Described quaternary ammonium salt is dodecyl organosilicon quaternary ammonium salt and/or octadecyl organosilicon quaternary ammonium salt, and its content is 1-10%; The content of 75% ethanol water is 10-25%; Surplus is distilled water 0-30%.
Described high-efficiency plants mildew resistant coating composition is characterized in that described quaternary ammonium salt content is dodecyl organosilicon quaternary ammonium salt 1-5%; Octadecyl organosilicon quaternary ammonium salt 1-5%.
The preparation method of described high-efficiency plants mildew resistant coating composition is characterized in that:
Corter pseudolaricis and moutan bark are dried to moisture content<1% respectively;
Dried corter pseudolaricis and moutan bark are pulverized respectively and got less than 100 purpose powders, doubly soaked respectively 15-24 hour to the 75-90% of the powder weight concentration ethanol aqueous solution with 2-4;
Aforementioned soak is filtered the back under 50-80 ℃ of condition, extract, obtain corter pseudolaricis and moutan bark extract with the heating reflow method;
Said extracted liquid is mixed back concentrating under reduced pressure under 50-70 ℃ of condition in proportion obtain the concentrate that gravity Baume concentration is 1.15-1.20;
In described concentrate, stir to make behind adding quaternary ammonium salt and 75% ethanol water and the distilled water and homogenize.
The preparation method of described high-efficiency plants mildew resistant coating composition, quaternary ammonium salt wherein is that effective content is that 10% dodecyl organosilicon quaternary ammonium salt and/or effective content are 10% octadecyl organosilicon quaternary ammonium salt.
The preparation method of described high-efficiency plants mildew resistant coating composition, corter pseudolaricis wherein and moutan bark powder are less than 200 purpose powders.
The present invention has adopted the corter pseudolaricis and the Cortex Moutan extract that have good mildew-proof function in the traditional Chinese medicine composition to be used for the body surface antimycotic antiseptic, it is big to have solved existing chemical anti mildew agent consumption, toxic and side effect is big, the deficiency of difficult degraded, characteristics with the anti-removing mildew environmental protection of natural plants, safety, its raw material sources are extensive, and production cost is low.Owing to adopted the cationic surfactant quaternary ammonium salt, make mildew resistant coating composition of the present invention have chemicals mildew-resistant advantage fast and efficiently simultaneously, overcome the deficiency that existing autonomic drug antibacterial agent usefulness is low, speed is slow.After using organosilicon quaternary ammonium salt as additive, its anti-mold effect has more persistence.
The formed coating of composition of the present invention can be used for prevention and control object (product) surface grows mould, comprising the fungus-proof antisepsis of aqueduct, equipment, ancient building, metal, cement, wooden, ceramic tile, marble, paper product, fabric, wall ground, toilet, food processing shop, its scope of application is very extensive.
Embodiment
Below in conjunction with embodiment the present invention is further described.
Raw material corter pseudolaricis that high-efficiency plants mildew resistant coating composition of the present invention is used and moutan bark all adopt traditional Chinese medicine corter pseudolaricis and the moutan bark that meets the Chinese Pharmacopoeia standard.Above-mentioned two kinds of traditional Chinese medicine extracts are the main active component of fungus resistant coating of the present invention.
Described quaternary ammonium salt and ethanol water, distilled water adopt the commercially available prod that meets the Pharmacopoeia of the People's Republic of China and Ministry of Health of the People's Republic of China 2002 version " disinfection technology standard ".Quaternary ammonium salt had wherein both had bactericidal action, went back the double as surfactant simultaneously.Prove that through Experiment on Microbiology the corter pseudolaricis, the Cortex Moutan extract mixture that do not add cationic surfactant are 7.2mm to the antibacterial ring of Candida albicans (ATCC10231); Behind the cationic surfactant (dodecyl organosilicon quaternary ammonium salt or octadecyl organosilicon quaternary ammonium salt or common quaternary ammonium salt) of adding 0.5%, said mixture is 16mm to the antibacterial ring of Candida albicans (ATCC10231), its synergistic effect is fairly obvious, and antibacterial activity, usefulness, speed can improve 1-2 doubly.
The preparation method of high-efficiency plants mildew resistant coating composition of the present invention, be to be that the ethanol water of 75-90% soaked 15-24 hour with concentration after corter pseudolaricis and the moutan bark drying and crushing, under 60-80 ℃ of condition, adopt conventional heating reflow method to extract, obtain corter pseudolaricis and moutan bark extract; Two kinds of extracts are mixed back concentrating under reduced pressure under 50-70 ℃ of condition in proportion, obtain the concentrate that gravity Baume concentration is 1.15-1.20, perhaps two kinds of extracts are carried out respectively mixing in proportion behind the concentrating under reduced pressure, its effect is equivalent; In mixed concentrate, stir to make behind adding quaternary ammonium salt and the 75% concentration ethanol aqueous solution and the distilled water and homogenize.
According to the made composition product of above method, both had the efficient and quick antibacterial advantage of chemicals, have the security advantages and the characteristics of natural plant again.
Through LD 50Chmice acute toxicity test and cell micronucleus experiment showed, that the more common chemical anti mildew agent safety of product of the present invention is good.
Show that through the organic substance influence test the anti-organic substance influence performance of " woman's inflammation is clean " plant irrigation that miconazole nitrate cream that more Chinese Xian-Janssen Pharmaceutical Ltd. produces and Chinese Jiangxi Kangmei Medical and Health Product Co., Ltd produce has obvious raising.
Drug effect contrast experiment: get the miconazole nitrate cream that product 1mL of the present invention and 1g China Xian-Janssen Pharmaceutical Ltd. produces, be applied to respectively on the nonwoven carrier of sterilization treatment, the inoculation test bacterium comprises aspergillus then; Aspergillus flavus (Aspergillus fla-vus), Aspergillus ochraceus (A.ochraceus) etc. are shown mould genus; Penicillium citrinum (P.citrinum), Penicillium citreo-viride (P.citreo-viride) etc., Fusarium; Fusarium tricinctum (F.tritinctum), Fusarium nivale (F.nivale) and Candida albicans (ATCC10231), 37 ℃ of constant temperature culture 48h observe and counting bacterium slip.The result shows that this product effect 20min is 100% to the killing rate of Candida albicans (ATCC10231); Miconazole nitrate cream effect 20min is to the killing rate of Candida albicans (ATCC10231) only 48%.
Embodiment 1
The preparation of A, corter pseudolaricis extract: corter pseudolaricis is dried to moisture content pulverizes less than 1% back, get less than 100 purpose powders, filter after 24 hours with 4 times of 90% concentration ethanol aqueous solution soaking to powder weight, filtered fluid is heated to 60-80 ℃ then, adopt conventional heating reflow method to extract secondary, the each extraction 2 hours is with standby behind the extracting liquid filtering;
The preparation of B, Cortex Moutan extract: moutan bark is dried to moisture content pulverizes less than 1% back, get 200 purpose powders, with 3 times to 75% concentration ethanol aqueous solution soaking of powder weight 24 hours, heating and refluxing extraction secondary under 60-80 ℃ of condition equally, the each extraction 2 hours is with standby behind the extracting liquid filtering;
C, with A and B two procedures gained corter pseudolaricis and Cortex Moutan extract under 50-70 ℃ of condition respectively concentrating under reduced pressure become gravity Baume concentration to be the concentrate of 1.15-1.20, standby;
D, get 50 kilograms of C operation gained corter pseudolaricis concentrates; After 30 kilograms of mixing of moutan bark concentrate, ethanol water dilution with 18 kilogram of 75% concentration, be heated to 50 ℃ then, with effective content is 10% dodecyl organosilicon quaternary ammonium salt and each the 1 kilogram of adding of octadecyl organosilicon quaternary ammonium salt, and the speed stir about through 1500 rev/mins in the emulsifying agitator homogenized it in 2 minutes.Left standstill then 24 hours, and got the supernatant sterile filling, get high-efficiency plants mildew resistant coating composition product of the present invention.
The weight percentage of each component is in the product:
Corter pseudolaricis extract 50% (gravity Baume concentration is 1.15-1.20);
Cortex Moutan extract 30% (gravity Baume concentration is 1.15-1.20);
Effective content be 10% dodecyl organosilicon quaternary ammonium salt and octadecyl quaternary ammonium salt each 1%;
The 75% concentration ethanol aqueous solution 18%.
Embodiment 2
The preparation of A, corter pseudolaricis, moutan bark extract: with corter pseudolaricis and the dry respectively also pulverizing of moutan bark, get powder under 200 mesh sieves, soaked respectively 24 hours with 3 times of 75% ethanol waters to above-mentioned powder, adopt routine to add thermal reflux then and extract secondary, each 1 hour extraction time, extracting liquid filtering is standby.
B, A preface gained corter pseudolaricis, moutan bark filtered fluid are mixed after content detection in proportion, concentrating under reduced pressure becomes gravity Baume concentration to be the concentrate (medicinal extract) of 1.15-1.20 under 60-80 ℃ of condition, and is standby.
C, get commercially available 1227 quaternary ammonium salts and add in proportion in the B preface concentrate (medicinal extract), add 75% ethanol water again, evenly mix.
Each component ratio following (weight):
Corter pseudolaricis crude extract 40% (gravity Baume concentration is 1.15-1.20);
Moutan bark extract 30% (gravity Baume concentration is 1.15-1.20);
Commercially available 1227 common quaternary ammonium salts 5%;
75% concentration ethanol 25%.
The mixture of aforementioned proportion stirs in the emulsifying agitator, leaves standstill 24 hours, gets supernatant and promptly gets high-efficiency plants mildew resistant coating product of the present invention.
During use,, be applied to toilet wall or article surface with 120 times of sterile distilled water dilutions, can effectively pre-mould proof growing after the drying.
Embodiment 3
The preparation of A, corter pseudolaricis, moutan bark extract.Will be less than 200 purpose corter pseudolaricis and moutan bark powder with 2 times of 75% concentration ethanol aqueous solution soaking 24 hours, get and soak filtered fluid and extract 2 times through adding thermal reflux, extracted 2 hours at every turn, standby behind the extracting liquid filtering.
B, above-mentioned gained corter pseudolaricis is mixed in proportion with moutan bark filtrate, under 60-80 ℃ of temperature, be evaporated to the concentrate that gravity Baume concentration is 1.15-1.20, standby.
C, to add commercially available active ingredient in above-mentioned concentrate be 10% octadecyl organosilicon quaternary ammonium salt and the 75% concentration ethanol aqueous solution and sterile distilled water.Get the mildew resistant coating composition of following weight ratio:
Corter pseudolaricis extract 30% (gravity Baume concentration is 1.15-1.20);
Moutan bark extract 25% (gravity Baume concentration is 1.15-1.20);
Octadecyl organosilicon quaternary ammonium salt 5%;
The 75% concentration ethanol aqueous solution 25%.
Sterile distilled water 15%.
With the composition of said ratio in the emulsifying agitator 1000 rev/mins stirred 2 minutes, left standstill 24 hours, getting supernatant is high-efficiency plants mildew resistant coating composition product of the present invention.
During use,, stir, directly be applied to indoor carpet or floor surface, effectively pre-mould proof generation after the drying with 150 times of sterile distilled water dilutions.
Embodiment 4
A, corter pseudolaricis, the preparation of moutan bark extract: get less than 100 purpose corter pseudolaricis and moutan bark powder, get filtered fluid with 2 times of 75% concentration ethanol aqueous solution soaking after 24 hours to powder, employing adds thermal reflux and extracts secondary, extracts 3 hours at every turn, and extracting liquid filtering is standby.
B, with above-mentioned corter pseudolaricis and moutan bark filtrate mix in proportion the back under 60-80 ℃ of temperature, be evaporated to the concentrate that gravity Baume concentration is 1.15-1.20, standby.
C, in above-mentioned concentrate ratio to add commercially available effective content be 10% the dodecyl organosilicon quaternary ammonium salt and the 75% concentration ethanol aqueous solution.Obtain the composition of following weight proportion:
Corter pseudolaricis extract 60% (gravity Baume concentration is 1.15-1.20);
Moutan bark extract 20% (gravity Baume concentration is 1.15-1.20);
The dodecyl organosilicon quaternary ammonium salt 1% of effective content 10%;
The 75% concentration ethanol aqueous solution 19%.
Above proportioning mixture is put into the emulsifying agitator stirred 3 minutes for 1200 rev/mins, left standstill 24 hours, getting supernatant is high-efficiency plants mildew resistant coating product of the present invention.
During use,, stir, be coated with and spill in food processing shop wall ground surface with 100 times of sterile distilled water dilutions, can effectively pre-mould proof growing after the drying.
The composition levels of embodiment 5-8 sees the following form (weight %), and its production method is identical with embodiment 1-4, and wherein the product of embodiment 6-8 is applicable to outdoor mildew-resistant purposes.
Embodiment 5 Embodiment 6 Embodiment 7 Embodiment 8
The corter pseudolaricis extract 60 30 20 40
The moutan bark extract 10 25 15 10
The dodecyl organosilicon quaternary ammonium salt 5 2
The octadecyl organosilicon quaternary ammonium salt 5 2
Common quaternary ammonium salt 5 7
75% ethanol water 10 30 5 23
Sterile distilled water 10 10 56 20
Above dodecyl organosilicon quaternary ammonium salt and octadecyl organosilicon quaternary ammonium salt effective content are 10%.

Claims (6)

1. high-efficiency plants mildew resistant coating composition, by natural plant extracts is active component, it is characterized in that this mildew resistant coating composition is made up of corter pseudolaricis extract, Cortex Moutan extract, quaternary ammonium salt, ethanol water and distilled water, the weight percentage of each component is:
Corter pseudolaricis extract 20-60%; Cortex Moutan extract 10-30%;
Quaternary ammonium salt 1-10%; 75% ethanol water 5-30%; Surplus is a distilled water.
2. according to the high-efficiency plants mildew resistant coating composition of claim 1, it is characterized in that described corter pseudolaricis extractive content is 30-50%; Cortex Moutan extract content is 15-25%; Described quaternary ammonium salt is dodecyl organosilicon quaternary ammonium salt and/or octadecyl organosilicon quaternary ammonium salt, and its content is 1-10%; The content of 75% ethanol water is 10-25%; Surplus is a distilled water.
3. according to the high-efficiency plants mildew resistant coating composition of claim 1, it is characterized in that described quaternary ammonium salt content is dodecyl organosilicon quaternary ammonium salt 1-5%; Octadecyl organosilicon quaternary ammonium salt 1-5%.
4. according to the preparation method of each described high-efficiency plants mildew resistant coating composition among the claim 1-3, it is characterized in that:
Corter pseudolaricis and moutan bark are dried to moisture content<1% respectively;
Dried corter pseudolaricis and moutan bark are pulverized respectively and got less than 100 purpose powders, doubly soaked respectively 15-24 hour to the 75-90% of the powder weight concentration ethanol aqueous solution with 2-4;
Aforementioned soak is filtered the back under 50-80 ℃ of condition, extract, obtain corter pseudolaricis and moutan bark extract with the heating reflow method;
Said extracted liquid is mixed back concentrating under reduced pressure under 50-70 ℃ of condition in proportion obtain the concentrate that gravity Baume concentration is 1.15-1.20;
In the concentrate of described mixing, stir to make behind adding quaternary ammonium salt and 75% ethanol water and the distilled water and homogenize.
5. according to the preparation method of the high-efficiency plants mildew resistant coating composition of claim 4, it is characterized in that described quaternary ammonium salt is that effective content is that 10% dodecyl organosilicon quaternary ammonium salt and/or effective content are 10% octadecyl organosilicon quaternary ammonium salt.
6. according to the preparation method of the high-efficiency plants mildew resistant coating composition of claim 4 or 5, it is characterized in that described corter pseudolaricis and moutan bark powder are for less than 200 purpose powders.
CNA2008100547060A 2008-03-25 2008-03-25 High-efficiency plants mildew resistant coating composition and preparation thereof Pending CN101248803A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102349573A (en) * 2011-09-20 2012-02-15 中国科学院华南植物园 Litchi preservative and litchi preservative method
CN103031780A (en) * 2012-12-17 2013-04-10 金红叶纸业集团有限公司 Paper sheet
CN107161489A (en) * 2017-06-21 2017-09-15 芜湖蓝天工程塑胶有限公司 Composite antibacterial makrolon crisper and preparation method thereof
CN109437568A (en) * 2018-11-07 2019-03-08 桐城市鸿江包装有限公司 The preparation method of mildew-proof ceramic craftwork

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102349573A (en) * 2011-09-20 2012-02-15 中国科学院华南植物园 Litchi preservative and litchi preservative method
CN102349573B (en) * 2011-09-20 2013-05-22 中国科学院华南植物园 Litchi preservative and litchi preservative method
CN103031780A (en) * 2012-12-17 2013-04-10 金红叶纸业集团有限公司 Paper sheet
CN107161489A (en) * 2017-06-21 2017-09-15 芜湖蓝天工程塑胶有限公司 Composite antibacterial makrolon crisper and preparation method thereof
CN109437568A (en) * 2018-11-07 2019-03-08 桐城市鸿江包装有限公司 The preparation method of mildew-proof ceramic craftwork

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