CN1506433A - Sprayed antifogging and antidropping agent for agricultural plastic house and its prepn process - Google Patents
Sprayed antifogging and antidropping agent for agricultural plastic house and its prepn process Download PDFInfo
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- CN1506433A CN1506433A CNA021538611A CN02153861A CN1506433A CN 1506433 A CN1506433 A CN 1506433A CN A021538611 A CNA021538611 A CN A021538611A CN 02153861 A CN02153861 A CN 02153861A CN 1506433 A CN1506433 A CN 1506433A
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Abstract
The sprayed antifogging and antidropping agent for agricultural plastic house is a mixture of component A, component B and diluent water. The component A is the water solution of colloid silica and water soluble polymer; the component B is the water solution of cationic surfactant quarternary ammonium salt, filming assistant and crosslinking agent silane, and in the two components, the weight ratio between the silica and the cationic surfactant is 20-30. The sprayed antifogging and antidropping agent has colloid silica content of 0.2-0.4 wt%. The sprayed antifogging and antidropping agent is sprayed on or soaked to the surface of common polyolefin film to make the film possess excellent fogging preventing and eliminating performance with the effective period being as long as 6 months, and the spraying may be repeated for long time effect.
Description
Technical field the present invention relates to a kind of fog dispersal water-dropping proof agent that is used for plastic film, and there is preparation of the anti-water droplet effect of fog dispersal and preparation method thereof on particularly a kind of agripast canopy film surface that is used in.
Background technology is in agriculture production and gardening, and the application of plastic greenhouse more and more widely.Because the wetting ability extreme difference of plastics film, in autumn and winter season, the booth internal-external temperature difference is big, make the interior condensation vapor of canopy at canopy film upper fogging, the transmittance of canopy film is seriously descended, influence plant growth, and the droplet on the canopy film can form big water droplet gradually and drops onto and form disease on the crop.The anti-droplet technology of canopy film becomes the important technology that modern agriculture is produced.
The anti-droplet technology of plastics film mainly contains three types: film direct oxidation facture, in add surfactant method and outer spraying method.
The direct oxidation facture is to adopt special process for treating surface that the film surface wetting ability is improved in the production of plastics film.As adopt fluorine gas that film is carried out oxide treatment, cause the polar monomer polymerization behind the employing gamma-ray irradiation film.This method equipment complexity, production hazardness is big, cost is higher, is difficult to be accepted by agriculture production, seldom adopts in actual production.
In add surfactant method be will contain the dripless agent of tensio-active agent directly become and do not have a film with plastic granule mixings post-treatment, be the technology of present the most extensive employing.Nothing with such dripless agent preparation is dripped the droplet that film in use can be removed canopy film surface, produces mist vapour in the canopy but can make." demisting high-effective dripless agent and preparation method thereof " (Chinese patent application number: 98121105.4) disclose a kind of fog dispersal type dripless agent, adopted the dripless agent of fluorine-containing, siliceous tensio-active agent preparation to have good anti-droplet and fog dispersal function.In add nothing that the dripless agent method produces and drip film and have cost characteristics relatively low, easy to use, but its shortcoming is that anti-droplet validity period is short, is generally 3～6 months, the back of losing efficacy does not have other remedial measuress, has only the canopy of replacing film, has increased the cost of agriculture production.
Outer spraying method is to make the canopy film have anti-droplet function on the surface that dripless agent is sprayed at the canopy film, and characteristics are can repeat spraying to make the canopy film have nonvolatil anti-droplet effect." plastic sheeting for farm use fogging-resistant agent and press down drip a method " (Chinese patent application number: 97105897.0) disclose a kind of emulsion of forming with vegetable-protein, starch etc., it is all short and influence the transmittance of canopy film that nothing of its each spraying is dripped the phase.It is the spary coating type dripless agent of main component and the plastic sheeting for farm use of coating thereof by colloidal aluminium hydroxide and anion surfactant that patent " antifogging agent composition and the plastic sheeting for farm use that applies with its " (China Patent No. ZL 96107385.3) discloses a kind of, have anti-droplet and light transmission characteristics preferably, but its viscosity is bigger, need strict its viscosity of control and order of addition(of ingredients) during production, otherwise easily precipitate, the plastics film that is sprayed also needs surface treatments such as corona discharge.
Summary of the invention the object of the present invention is to provide a kind of have fog dispersal and antidrip double effects spraying type agricultural canopy film fog dispersal water-dropping proof agent, have easy to operately, with low cost, be sprayed at long, the good characteristics of the antidrip function of fog dispersal of common polyolefin film surface validity period.
Spraying type agricultural plastic greenhouse film fog dispersal water-dropping proof agent of the present invention is mixed and made into by A, B two components and dilution water.The A component is the aqueous solution of colloid silica and water-soluble high-molecular substance, wherein: water-soluble high-molecular substance and colloid silica weight ratio≤20%.The B component is for to be the aqueous solution of quaternary cationics, film coalescence aid and coupling agent, wherein: film coalescence aid and cats product weight ratio≤2, coupling agent and tensio-active agent weight ratio≤60%.The silicon-dioxide among two groups of A, the B and the weight ratio of tensio-active agent are (20～30): 1; The colloid silica weight content of fog dispersal water-dropping proof agent is 0.2%～0.4%.Water-soluble high-molecular substance is polyvinylpyrrolidone or polyvinyl alcohol in the A component; Film coalescence aid is colloidal aluminium hydroxide or aluminum chloride in the B component.
The preparation method of spary coating type plastic film fog dispersal water-dropping proof agent of the present invention, earlier the B component is diluted in the water, add the A component again and mix and promptly get spary coating type plastic film fog dispersal water-dropping proof agent, the weight content of controlling colloid silica with the add-on of dilution water is 0.2%～0.4%.
With fog dispersal water-dropping proof agent of the present invention, the colloid silica of A component spreads over the hydrophilic inorganic film of dry back formation layer of transparent on the plastics film, is main anti-droplet material; A spot of water-soluble high-molecular substance can improve silicon-dioxide film strength and adhesion property.Main component in the B component is known any quaternary cationics, for example: cetyl trimethylammonium bromide, palmityl trimethyl ammonium chloride, Trimethyllaurylammonium bromide, Dodecyl trimethyl ammonium chloride or the like.Cats product can reduce the surface tension of spray coating liquor, and positively charged cats product can the neutral zone negative charge colloid silica make it gel and uniform spreading on plastics film, simultaneously its powerful hydrophilicity can absorb mist vapour in the canopy and makes it aquation and flow away along the canopy film, reaching the purpose that fog dispersal subtracts mist.Film coalescence aid is colloidal aluminium hydroxide or aluminum chloride, and used hard water is to the influence of anti-droplet effect in the time of can eliminating dilution.Coupling agent is the silane coupling agent that is easy to hydrolysis, as γ-An Bingjisanyiyangjiguiwan, diethyl amino Union carbide A-162 etc.Coupling agent can improve the adhesion strength of colloid silica on plastics film, and the nothing that prolongs the canopy film is dripped the phase.
The present invention proposes preparation method elder generation water the B component is added dilution water, adding the A component again mixes, the amount of dilution water is controlled at and makes content of colloidal silicon dioxide is 0.2%～0.4% (weight), used dilution water can be tap water, well water or river, promptly gets spary coating type plastic film fog dispersal water-dropping proof agent.To spraying or dippings such as common polyolefin plastics film such as PE film, PVC film, EVA films.Fog dispersal water-dropping proof agent of the present invention also can be prepared A component, B component and dilution water and spray in using on-the-spot plastic greenhouse, uses very convenient.
Fog dispersal water-dropping proof agent advantage of the present invention is:
1. have antifog anti-water droplet performance and fog dispersal performance double effects, be sprayed on that validity period can reach 6 months on the plastics film surface, make the canopy film have the anti-droplet effect of permanence even if after inefficacy, also can repeat spraying.
2. can be sprayed at all common polyolefin films (as polythene PE, PVC, EVA film) and lost efficacy after routine do not have the film surface of dripping, make it to have the antidrip function of good fog dispersal, universality is strong.
3. adopt conventional industrial chemicals behind simple mixed diluting, can use, easy to use, with low cost.
Embodiment
Embodiment 1
The A component is formulated as 12% (weight for adding deionized water with commercially available colloid silica, below identical) colloid silica aqueous solution 250ml, the B component is that commercially available cats product cetyl trimethylammonium bromide is mixed with 5% aqueous solution 20ml, and promptly the weight ratio by silicon-dioxide and cats product is 30: 1.The B component is diluted in the 15Kg water, adds the A component again and mix, obtain content of colloidal silicon dioxide and be 0.2% fog dispersal water-dropping proof agent.Canopy is buckled in common polythene (PE) plastic sheeting for farm use dipping back.The anti-droplet of fog dispersal is respond well in the vegetable growth cycle (6 months) in a season.
Embodiment 2
The A component is commercially available 30% colloid silica aqueous solution 200ml, B component 10ml, wherein: tensio-active agent cetyl trimethylammonium bromide 30%, film coalescence aid aluminum chloride 10%, all the other are deionized water.Colloid silica and cats product weight ratio are 20: 1.The B component is diluted in the 15Kg water, adds the A component again and mix, obtain content of colloidal silicon dioxide after the dilution and be 0.4% fog dispersal water-dropping proof agent.In the internal surface spraying of plastic vegetable greenhouse, plastic greenhouse film is common polythene (PE) film.The anti-droplet of fog dispersal is respond well in the vegetable growth cycle (6 months) in a season, and the vegetable growth in next season repeats spraying during the initial stage, and the canopy film continues to keep the fog dispersal antifogging property.
Embodiment 3
A component 250ml, wherein: colloid silica 12%, polyvinylpyrrolidone 1.2%, all the other are deionized water.B component 20ml, wherein: cats product Dodecyl trimethyl ammonium chloride 5%, coupling agent γ-An Bingjisanyiyangjiguiwan 1.2%, all the other are deionized water.Colloid silica and cats product weight ratio are 30: 1.The B component is diluted in the 10Kg water, adds the A component again and mix, obtain content of colloidal silicon dioxide after the dilution and be 0.3% fog dispersal water-dropping proof agent.In the internal surface spraying of plastic vegetable greenhouse, plastic greenhouse film is common polyvinyl chloride (PVC) film.The anti-droplet of fog dispersal is respond well in the vegetable growth cycle (6 months) in a season, and the vegetable growth in next season repeats spraying during the initial stage, and the canopy film continues to keep the fog dispersal antifogging property.
Embodiment 4
A component 250ml, wherein: colloid silica 20%, polyvinylpyrrolidone (PVP-K30) 4%, all the other are deionized water.B component 20ml, wherein: cats product Trimethyllaurylammonium bromide 10%, film coalescence aid aluminum chloride 20%, all the other are deionized water.Colloid silica and cats product weight ratio are 25: 1.The B component is diluted in the 25Kg water, adds the A component again and mix, obtain content of colloidal silicon dioxide after the dilution and be 0.2% fog dispersal water-dropping proof agent.In the internal surface spraying of plastic vegetable greenhouse, plastic greenhouse film is polyvinyl chloride (PVC) plastic sheeting for farm use.The anti-droplet of fog dispersal is respond well in the vegetable growth cycle (6 months) in a season, and the vegetable growth in next season repeats spraying during the initial stage, and the canopy film continues to keep the fog dispersal antifogging property.
Embodiment 5
Fog dispersal water-dropping proof agent and preparation method thereof is as embodiment 3, and just coupling agent is the diethyl amino Union carbide A-162.In the internal surface spraying of plastic vegetable greenhouse, plastic greenhouse film is polyvinyl chloride (PVC) plastic sheeting for farm use.The anti-droplet of fog dispersal is respond well in the vegetable growth cycle (6 months) in a season, and the vegetable growth in next season repeats spraying during the initial stage, and the canopy film continues to keep the fog dispersal antifogging property.
Embodiment 6
Fog dispersal water-dropping proof agent and preparation method thereof is as embodiment 4, and just film coalescence aid is a colloidal aluminium hydroxide.In the internal surface spraying of plastic vegetable greenhouse, plastic greenhouse film is the EVA plastic sheeting for farm use.The anti-droplet of fog dispersal is respond well in the vegetable growth cycle (6 months) in a season, and the vegetable growth in next season repeats spraying during the initial stage, and the canopy film continues to keep the fog dispersal antifogging property.
Claims (2)
1. a spraying type agricultural plastic greenhouse film fog dispersal water-dropping proof agent is characterized in that: be mixed and made into by A, B two components and dilution water;
The A component is the aqueous solution of colloid silica and water-soluble high-molecular substance, wherein: water-soluble high-molecular substance and colloid silica weight ratio≤20%;
The B component is for to be the aqueous solution of quaternary cationics, film coalescence aid and silane coupling agent, wherein: film coalescence aid and cats product weight ratio≤2, coupling agent and tensio-active agent weight ratio≤60%;
The silicon-dioxide among two groups of A, the B and the weight ratio of tensio-active agent are (20～30): 1;
The colloid silica weight content of fog dispersal water-dropping proof agent is 0.2%～0.4%;
Water-soluble high-molecular substance is polyvinylpyrrolidone or polyvinyl alcohol in the A component;
Film coalescence aid is colloidal aluminium hydroxide or aluminum chloride in the B component.
2. the preparation method of spary coating type plastic film fog dispersal water-dropping proof agent according to claim 1, it is characterized in that: earlier the B component is diluted in the water, add the A component again and mix and promptly get spary coating type plastic film fog dispersal water-dropping proof agent, the weight content of controlling colloid silica with the add-on of dilution water is 0.2%～0.4%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021538611A CN1506433A (en) | 2002-12-06 | 2002-12-06 | Sprayed antifogging and antidropping agent for agricultural plastic house and its prepn process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021538611A CN1506433A (en) | 2002-12-06 | 2002-12-06 | Sprayed antifogging and antidropping agent for agricultural plastic house and its prepn process |
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| CN1506433A true CN1506433A (en) | 2004-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA021538611A Pending CN1506433A (en) | 2002-12-06 | 2002-12-06 | Sprayed antifogging and antidropping agent for agricultural plastic house and its prepn process |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1303137C (en) * | 2005-04-19 | 2007-03-07 | 华东理工大学 | Exterior coating antifogging film and preparation method |
| CN100358968C (en) * | 2005-04-15 | 2008-01-02 | 杨毅男 | Ice-melting snow-removing agent |
| CN101153086B (en) * | 2007-09-07 | 2010-04-07 | 聊城华塑工业有限公司 | Light boosting agriculture greenhouse film and processing technique thereof |
| CN101037559B (en) * | 2006-03-17 | 2010-05-12 | 中国石油天然气股份有限公司 | Fogdrop-proof coating combination and preparation method thereof |
| CN101070403B (en) * | 2007-06-07 | 2010-05-19 | 聊城华塑工业有限公司 | Blow-moulded film interface molecular film and production process |
| CN102286266A (en) * | 2011-06-27 | 2011-12-21 | 上海工程技术大学 | Spray coating type nanometer antifogging agent for farm films and preparation method thereof |
| CN102719123A (en) * | 2012-07-05 | 2012-10-10 | 上海多纶化工有限公司 | External application anti-drop antifogging agent composition of agricultural film |
| CN107629760A (en) * | 2017-04-25 | 2018-01-26 | 中国科学院宁波材料技术与工程研究所 | A kind of clear anti-fog agent and preparation method thereof |
| CN109089760A (en) * | 2018-08-03 | 2018-12-28 | 东莞市济丰农业生态园开发有限公司 | A kind of method that ecologic planting improves greenhouse corps yield |
| CN110300516A (en) * | 2017-02-22 | 2019-10-01 | 竹本油脂株式会社 | Coating agent composition for agricultural film and agricultural modified thermoplastic polymer film |
| CN110305505A (en) * | 2019-07-23 | 2019-10-08 | 聊城纳微新材料科技有限公司 | The long-acting anti-droplet function one pack system of awning film spary coating type repairs liquid |
| CN112029321A (en) * | 2020-09-18 | 2020-12-04 | 科伦塑业集团股份有限公司 | Long-acting antifogging drip agent for agricultural film and preparation method thereof |
-
2002
- 2002-12-06 CN CNA021538611A patent/CN1506433A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100358968C (en) * | 2005-04-15 | 2008-01-02 | 杨毅男 | Ice-melting snow-removing agent |
| CN1303137C (en) * | 2005-04-19 | 2007-03-07 | 华东理工大学 | Exterior coating antifogging film and preparation method |
| CN101037559B (en) * | 2006-03-17 | 2010-05-12 | 中国石油天然气股份有限公司 | Fogdrop-proof coating combination and preparation method thereof |
| CN101070403B (en) * | 2007-06-07 | 2010-05-19 | 聊城华塑工业有限公司 | Blow-moulded film interface molecular film and production process |
| CN101153086B (en) * | 2007-09-07 | 2010-04-07 | 聊城华塑工业有限公司 | Light boosting agriculture greenhouse film and processing technique thereof |
| CN102286266A (en) * | 2011-06-27 | 2011-12-21 | 上海工程技术大学 | Spray coating type nanometer antifogging agent for farm films and preparation method thereof |
| CN102719123A (en) * | 2012-07-05 | 2012-10-10 | 上海多纶化工有限公司 | External application anti-drop antifogging agent composition of agricultural film |
| CN102719123B (en) * | 2012-07-05 | 2014-07-16 | 上海多纶化工有限公司 | External application anti-drop antifogging agent composition of agricultural film |
| CN110300516A (en) * | 2017-02-22 | 2019-10-01 | 竹本油脂株式会社 | Coating agent composition for agricultural film and agricultural modified thermoplastic polymer film |
| CN107629760A (en) * | 2017-04-25 | 2018-01-26 | 中国科学院宁波材料技术与工程研究所 | A kind of clear anti-fog agent and preparation method thereof |
| CN107629760B (en) * | 2017-04-25 | 2021-03-05 | 中国科学院宁波材料技术与工程研究所 | Transparent antifogging agent and preparation method thereof |
| CN109089760A (en) * | 2018-08-03 | 2018-12-28 | 东莞市济丰农业生态园开发有限公司 | A kind of method that ecologic planting improves greenhouse corps yield |
| CN110305505A (en) * | 2019-07-23 | 2019-10-08 | 聊城纳微新材料科技有限公司 | The long-acting anti-droplet function one pack system of awning film spary coating type repairs liquid |
| CN112029321A (en) * | 2020-09-18 | 2020-12-04 | 科伦塑业集团股份有限公司 | Long-acting antifogging drip agent for agricultural film and preparation method thereof |
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