CN101699974A - Bonding-type agricultural net - Google Patents
Bonding-type agricultural net Download PDFInfo
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- CN101699974A CN101699974A CN200910198936A CN200910198936A CN101699974A CN 101699974 A CN101699974 A CN 101699974A CN 200910198936 A CN200910198936 A CN 200910198936A CN 200910198936 A CN200910198936 A CN 200910198936A CN 101699974 A CN101699974 A CN 101699974A
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Abstract
The invention relates to a bonding-type agricultural net mainly formed by weaving sheath-core composite filament through a plain or leno weaving manner, subjecting the agricultural net after weaving to thermal treatment at a given temperature for a given time to melt the sheath layer and keep the core layer unchanged so as to realize contact at the position of the intersection point of warp and weft and firmed bonding, and further adding color master batch, anti-aging agent, uvioresistant stabilizer, flame retardant, antibacterial agent and other functional additives to the sheath layer. The agricultural net has the advantages of high strength, durability and weather resistance and firm structure, prevents the weft and the warp from easily sliding under the action of external force and prevents meshes from deforming. Therefore, the invention is applicable to aspects of insect prevention, bird prevention and hail suppression and the like in agriculture and has positive significance in guaranteeing the output and quality of crops.
Description
Technical field
The present invention relates to a kind of bonding-type agricultural net, relate in particular to and a kind ofly adopt that core-skin composite filament braiding forms, the firm agricultural net that contact and bond at the intersection point place of organizine and tram, this net can be used for insect protected, prevents aspects such as bird, hail suppression.
Background technology
In agricultural cultivation, effectively prevent the invasion and attack of insect, birds and the destruction of some natural calamities, be the important content of research always, this not only determines the output and quality of crop, also influences the outward appearance of crop.The method that adopts mainly contains two kinds at present, a kind of plastic tunnel that is to use is cultivated, another kind is that the agriculture net that will certain pore size be arranged covers around the crop, but the weak point of these two kinds of methods is: the use of plastic tunnel has certain influence to the gas permeability of crop, and because plastic tunnel is carried out all standing to crop, therefore often need a day lid to take off night when cultivating some to temperature and the more sensitive crop of light application ratio, fine Gai Yu takes off; And for a kind of method in back, the agricultural net is not popularized in China, agriculture net commonly used now also just adopts common weaving method, unfixing at intersection point place through tram, in long-term use, under various external force effects, as storm, hail, birds etc., cause easily through the tram slippage, the mesh distortion, make insect from become big space, pierce easily, influence plant growth, and the mesh of distortion all will produce harmful effect to the gas permeability of sunlit uniformity and crop.
Therefore, need a kind of novel agricultural net, the intensity height of net, Stability Analysis of Structures is guaranteed in long-term use, under various external force effects, mesh is not yielding, can continuous and effective ground prevent boisterous destructions such as the invasion and attack of insect, birds and storm, thereby guarantee output, the quality of crop, the service life that the while also can be improved net.
Summary of the invention
The agricultural net that the purpose of this invention is to provide a kind of bonding-type, this net is firm in contact of the intersection point place of organizine, tram and bonding, make in the long-term use of external environment organizine and tram that slippage, mesh size can not take place and can not change, have good ageing resistace and gas permeability simultaneously.
Bonding-type agricultural net provided by the invention, it is the core-skin type composite filament with cortex and sandwich layer through tram, adopt weaving method to be made into network structure, and through the hot adhesion processing, make the cortex partial melting of organizine tram at the place, crosspoint, and sandwich layer is constant, realizes through tram firm in contact of intersection point place and bonding.
One preferred embodiment in, described bonding-type agricultural net, its weaving method are the weaving methods that adopts plain weave or lace stitch.
One preferred embodiment in, the fusing point temperature difference of the core-skin polymeric material of described core-skin type composite filament is 20～40 ℃, wherein cortical material is lower than the melting temperature of core material.
Another preferred embodiment in, the temperature of hot adhesion preferably be higher than 10 ℃ of cortex melting temperatures or more than, and be lower than 10 ℃ of sandwich layer melting temperatures or more than.
Another preferred embodiment in, the core-skin layer material of described core-skin type composite filament all is selected from one or more in PE, PP, PET, PA, PVC or the olefin polymer.
Another preferred embodiment in, add one or more of coloured mother, age resister, uvioresistant stabilizing agent, fire retardant, antibacterial agent in the cortical material of described core-skin type composite filament.
Another preferred embodiment in, the cortex ratio of described core-skin type composite filament is 20～60%.
Another preferred embodiment in, the fiber number of described core-skin type composite filament is preferably the 90-4500 dawn (Denier).
Another preferred embodiment in, the preferred 0.2-8mm in the aperture of described bonding-type agricultural net.
Agricultural net of the present invention has extraordinary effect.The structure of organizine tram intersection point bonding has guaranteed this net in extraneous use, and mesh is not yielding, can resist applied external force preferably, prevents the destruction of invasion such as insect, birds and violent storm.And the mesh-structured net that makes can shading, but shading is few, does not need day lid to take off night in the course of cultivation or fine Gai Yu takes off, and can omnidistancely cover.When running into the high wind heavy rain, this net is because to have a mesh little, advantages of high strength, and storm drops to and has become fine drizzle in the net after net stops, and impulsive force weakens greatly.Simultaneously, the net of different colours, different to the absorption of light with reflection, can select suitable net according to the habit of growth of Different Crop.
Embodiment
Bonding-type agricultural net of the present invention adopts the core-skin type composite filament to form with the weaving manner braiding of plain weave or lace stitch, and the fusing point of core material is higher 20～40 ℃ than cortical material fusing point.If the melting temperature of cortical material and core material is too approaching, then sandwich layer destroys the intersection point adhesive structure also with fusion when hot adhesion, and the intensity of silk screen is declined to a great extent.If it is too big that the fusing point temperature difference differs, then the melt temperature of two kinds of materials, melt viscosity etc. all have than big difference, bring difficulty to spinning process.
The hot adhesion temperature preferably be higher than cortex 10 ℃ of melting temperatures or more than, and be lower than 10 ℃ of sandwich layer melting temperatures or more than, the net weaved into of heating makes the cortical material fusion of organizine and tram and is glued together at the contact point place.If the hot adhesion temperature is too low, then can't make the cortex partial melting, if temperature is too high, then fusion also might take place in core material, even makes cortical material generation cracking, this all will cause the decline of net intensity.
One or more of the preferred PE of core-skin layer material, PP, PET, PA, PVC or the olefin polymer of core-skin type composite filament, more preferably one or more of PE, PP, PET or olefin polymer.
In the core-skin type composite filament, cortical material mainly plays the hot adhesion effect, and the intensity of sandwich layer principal security silk.The shared ratio of cortex is preferred 20～60%, and more preferably 40～50%.If cortex content very little, then break the bond effect and the intensity of influence silk easily at hot adhesion process mediopellis, if cortex content is too much, then sandwich layer content is very few, reduces the intensity of silk, thereby the bulk strength of net is reduced, in use resist the ability drop of external influence power.
In the cortex of core-skin type composite filament, can add one or more of various function additives such as age resister, uvioresistant stabilizing agent, fire retardant, antibacterial agent, in long-term use, be subjected to the influence of external factor such as sunlight, temperature, bacterium with the opposing net.After adding various auxiliary agents, the fragility of cortex polymer increases, therefore auxiliary agent content is unsuitable too high, and the embodiment adopting by reference is granted patent " ZL200410025363.7, photostabilized assemblage, comprise monofilament of said composition and its production and use ".
When in cortex, adding the look mother of different colours, can give the net different colours.The net of different colours, different to the effect of spectral absorption and reflection, thereby growth, ground temperature and the damage by disease and insect of crop all had different influences with weeds.When selecting for use green Masterbatch to make the GreenNet, be characterized in to make plant to carry out photosynthetic visible light transmissivity and reduce, and green glow increases, and both can play the effect of management of weeds, again than the light transmittance height of black net.The net of this green is used for the cultivation of crops such as tomato, capsicum, eggplant more.And that the main feature of black net is a light transmittance is low, use in the place that weeds are serious, light transmittance is reduced greatly, thereby after being germinateed, weeds can not get enough sunlight and death, suppress weed growth, and can prevent water evaporates in the soil effectively, be applicable to the cultivation of summer radish, Chinese cabbage etc. crops.Therefore, in process of production, can select suitable Masterbatch according to the growth characteristics of crop.But look mother's addition preferably is no more than 10%, and is when too much as if look female content, bigger to the fragility influence of cortex.
Preferred 90-4500 dawn of the fiber number of core-skin type composite filament, more preferably 180-2700 dawn, most preferably 270-2500 dawn.If fiber number is less than 90 dawn, then Si intensity is too low, can't bear external influence power for a long time, if fiber number greater than 4500 dawn, then Si rigidity is too big, influences weaving, the weight of Bian Zhi agricultural net increases simultaneously, brings certain difficulty to practical operation.
The mesh aperture that weaves the bonding-type agricultural net that forms with the core-skin type composite filament is preferably 0.2-8mm, more preferably 0.5-5mm.If the aperture is less than 0.2mm, then Wang gas permeability is relatively poor, and the moisture that plant evaporation produces can not in time be discharged, and causes harmful effect to growth; If the aperture is greater than 8mm, then the less harmful insect of some sizes, hail will be through the spaces, thereby plant is caused damage.Suitable mesh aperture also helps preventing the escape of useful insect, and as in the plant pollination phase honeybee being put into the aperture net littler than honeybee size, then honeybee is difficult for flying out, thereby can finish the pollination of plant more quickly and effectively.
Characteristics such as this bonding-type agricultural netting gear has intensity height, Stability Analysis of Structures, mesh is not yielding under external force, good permeability than plastics coverlay, and can be by the shading rate of color and aperture adjustment net, avoid carrying out when cultivating day lid trouble that take off night, fine Gai Yu takes off, in agricultural cultivation, can be widely used in aspects such as insect protected, anti-bird, hail suppression with plastic tunnel.
Embodiment 1
Cortex is by PE, PP, the ter-polymers that the 1-butylene is formed, fusing point is 134 ℃, sandwich layer adopts PP, fusing point is 164 ℃, cortex content is 50%, does not add the look mother, makes the core-skin bicomponent filament yarn through two component drawing process of routine, its fiber number was 360 dawn, adopt the mode of plain weave to be made into the poroid network structure of rectangle, wherein mesh size is 2mm at length direction, and width is 4mm, net is heat-treated, its heat treatment temperature is 150 ℃, and the time is 90s, thereby makes through the cortex partial melting of tram and sandwich layer is constant, make through tram firm in contact of intersection point place and bonding, at this moment, the intensity that must net is 320N/50mm after tested, and elongation at break reaches 28%, the aperture opening ratio of net reaches 85%, and light transmittance reaches 93%.
Embodiment 2
Cortex adopts high density PE, fusing point is 132 ℃, sandwich layer adopts PP, fusing point is 165 ℃, and cortex content is 50%, and adds the Transparent color mother in cortex, two component drawing process through routine make the core-skin bicomponent filament yarn, its fiber number was 450 dawn, adopted the weaving method of lace stitch to be made into the poroid network structure of square, and the mesh size dimension is 3mm, net is heat-treated, its heat treatment temperature is 144 ℃, and the time is 75s, at this moment, the intensity that must net is 350N/50mm after tested, elongation at break reaches 26%, and the aperture opening ratio of net reaches 84%, and light transmittance is 95%.
Embodiment 3
Cortex is by PE, the binary polymer that PP forms, fusing point is 132 ℃, sandwich layer adopts PP, and fusing point is 163 ℃, and cortex content is 40%, and in cortex, add green look mother, two component drawing process through routine make the core-skin bicomponent filament yarn, and its fiber number was 360 dawn, adopt the weaving method of lace stitch to be made into the poroid network structure of square, the mesh size dimension is 1mm,, net to be heat-treated, its heat treatment temperature is 150 ℃, time is 80s, at this moment, the intensity that must net is 430N/50mm after tested, and elongation at break reaches 25%, the aperture opening ratio of net reaches 65%, and light transmittance reaches 72%.
The above embodiment only is that the present invention is further described, rather than in order to limit the scope of the invention, all equivalences of having done according to spirit of the present invention replace or simple the change, do not contain and cover content and do not deviate from claim of the present invention, all surely belong to category of the present invention.
Claims (10)
1. bonding-type agricultural net, it is characterized in that: be core-skin type composite filament through tram with cortex and sandwich layer, adopt weaving method to be made into network structure, and through the hot adhesion processing, make the cortex partial melting of organizine tram at the place, crosspoint, and sandwich layer is constant, realizes through tram firm in contact of intersection point place and bonding.
2. bonding-type agricultural net according to claim 1 is characterized in that: described weaving method is the weaving method that adopts plain weave or lace stitch.
3. bonding-type agricultural net according to claim 1 is characterized in that: the fusing point of the cortical material of described core-skin type composite filament hangs down 20～40 ℃ than the fusing point of core material.
4. according to claim 1 or 3 described bonding-type agricultural nets, it is characterized in that: net is carried out the temperature of hot adhesion when handling is: be higher than 10 ℃ of cortex melting temperatures or more than, be lower than 10 ℃ of sandwich layer melting temperatures or more than.
5. according to claim 1 or 3 described bonding-type agricultural nets, it is characterized in that: the cortical material of described core-skin type thermal bonded silk and core material are selected from one or more of following polymer: PE, PP, PET, PA, PVC or olefin polymer.
6. bonding-type agricultural net according to claim 1 is characterized in that: can add one or more of following auxiliary agent in the cortex: look mother, age resister, uvioresistant stabilizing agent, fire retardant, antibacterial agent.
7. bonding-type agricultural net according to claim 1 is characterized in that: the cortex ratio of described core-skin type composite filament is 20～60%.
8. bonding-type agricultural net according to claim 1 is characterized in that: the fiber number of described core-skin type thermal bonded silk is the 90-4500 dawn.
9. bonding-type agricultural net according to claim 1 is characterized in that: the aperture of mesh is 0.2-8mm.
10. the purposes of bonding-type agricultural net according to claim 1, characteristics such as it is characterized in that: this agricultural net has sound construction, is difficult for slippage through tram, and mesh is not yielding, can be widely used in aspects such as agricultural insect protected, anti-bird, hail suppression, guarantee output, the quality of crops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910198936A CN101699974A (en) | 2009-11-17 | 2009-11-17 | Bonding-type agricultural net |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910198936A CN101699974A (en) | 2009-11-17 | 2009-11-17 | Bonding-type agricultural net |
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| CN101699974A true CN101699974A (en) | 2010-05-05 |
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| CN200910198936A Pending CN101699974A (en) | 2009-11-17 | 2009-11-17 | Bonding-type agricultural net |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290518A (en) * | 2013-05-24 | 2013-09-11 | 宁波三邦日用品有限公司 | Colored antimicrobial polyester and polypropylene composite ultrafine fiber and production method |
| CN104115711A (en) * | 2014-06-16 | 2014-10-29 | 长兴德裕新材料有限公司 | Sunlight net having plant growth regulation function |
| CN106012190A (en) * | 2016-07-18 | 2016-10-12 | 无锡盛纤特邦工业材料有限公司 | Insect and haze resistant gauze and production method thereof |
| WO2016197560A1 (en) * | 2015-06-10 | 2016-12-15 | 南通新帝克单丝科技股份有限公司 | Large diameter sheath-core composite monofilament and production method therefor |
| CN106245221A (en) * | 2016-08-29 | 2016-12-21 | 上海市崇明县三联手帕厂 | A kind of gauze material and gauze |
| CN107494072A (en) * | 2017-10-11 | 2017-12-22 | 邢志强 | Cool net |
-
2009
- 2009-11-17 CN CN200910198936A patent/CN101699974A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290518A (en) * | 2013-05-24 | 2013-09-11 | 宁波三邦日用品有限公司 | Colored antimicrobial polyester and polypropylene composite ultrafine fiber and production method |
| CN103290518B (en) * | 2013-05-24 | 2015-05-13 | 宁波三邦日用品有限公司 | Colored antimicrobial polyester and polypropylene composite ultrafine fiber and production method |
| CN104115711A (en) * | 2014-06-16 | 2014-10-29 | 长兴德裕新材料有限公司 | Sunlight net having plant growth regulation function |
| WO2016197560A1 (en) * | 2015-06-10 | 2016-12-15 | 南通新帝克单丝科技股份有限公司 | Large diameter sheath-core composite monofilament and production method therefor |
| CN106012190A (en) * | 2016-07-18 | 2016-10-12 | 无锡盛纤特邦工业材料有限公司 | Insect and haze resistant gauze and production method thereof |
| CN106245221A (en) * | 2016-08-29 | 2016-12-21 | 上海市崇明县三联手帕厂 | A kind of gauze material and gauze |
| CN107494072A (en) * | 2017-10-11 | 2017-12-22 | 邢志强 | Cool net |
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Open date: 20100505 |