CN1978512A - Nano material modified weather-resistance film much - Google Patents
Nano material modified weather-resistance film much Download PDFInfo
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- CN1978512A CN1978512A CN 200510126573 CN200510126573A CN1978512A CN 1978512 A CN1978512 A CN 1978512A CN 200510126573 CN200510126573 CN 200510126573 CN 200510126573 A CN200510126573 A CN 200510126573A CN 1978512 A CN1978512 A CN 1978512A
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- oxidation inhibitor
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Abstract
This invention relates a weatherproof terra film modified by nanometer materials. It is constituted by the compositions according to the mass portions as following: polyethylene resin 87~98 portions, modified nanometer raw materials 1~8 portions, antioxygen 1~5 portions. It solves the problems that the waste films are difficult to recycle and the recovery ratio is very low induced by the bad mechanical behavior and weather resisting property of the existing terra film.
Description
Technical field
The present invention relates to blow moulded polyethyene ground coating film, especially nano material modified weather-resistance film much.
Background technology
Along with Agricultural Development, agricultural mulching becomes " high-efficiency agriculture " requisite important production means.But the degraded of plastics or decomposition need decades even longer time, and their meetings cause greatly to environment and lasting pollution is white pollution and destroys soil property, also do not meet national policy and international development trend about environmental protection and Sustainable development.For this reason, people are attempting various terms of settlement always.Aspect research and production degradable or decomposition mulch film, people have attempted photodegradation film and Biodegradable mulch, to increase light-converting agent because of existing, photoactive substance or degradation material, need specific installation, the technical requirements height, technical difficulty is big, influence light transmission, problems such as price is also high, most importantly degradative plastic film will adapt with the growth cycle of crop, that is to say that degradative plastic film is subjected to climatic influences, for example, if light-converting agent, photoactive substance or degradation material have been added, mulch film may be degraded before the crop maturation, influence output, if light-converting agent, photoactive substance or degradation material add few, mulch film may just be degraded in for some time after the crop maturation, influence the farming work of back, sometimes the degraded period that influences degradative plastic film because of variation such as rainy or the arid etc. of weather, cause the underproduction, just because of this, up to the present also there is not technology maturation, steady quality and the extensive product that uses come out.On the other hand, retrieve to reduce white pollution by residual film.Mulch film reclaims and comprises that manual recovery and machinery reclaim at present, because of the difference of Different Crop habit and cultivation mode, mulch film physical and mechanical properties and weathering resistance are poor, rupture easily during recovery, make mechanical organic efficiency hang down the technical requirements that is difficult to reach production, use difficulty at present; Be not able to and carry out the residual film of manual recovery, but the problem that has mulch film physical and mechanical properties and weathering resistance difference because of mulch film, make that manual recovery efficient is low, cost is high, labour intensity is big, especially as the big area in Xinjiang intensification production model, plot is tens mu of thousands of at most mus at least, and above problem is particularly outstanding.The 3rd, by improving the performance of mulch film own, improve the residual film rate of recovery, as Chinese patent CN1502654A disclosed " nanometer material modified polyethylene ground coating film ", it is than not using the mulch film physical and mechanical properties before the nanotechnology to make moderate progress, but the improvement degree is not high enough, and weathering resistance is relatively poor, and mechanical recovering effect is undesirable.In a word, above-mentioned mulch film pollutes all because of the performance of mulch film own can't satisfy machinery and reclaims and require to cause.
Summary of the invention
The object of the present invention is to provide that a kind of physical and mechanical properties is good, weather resistance is good and be beneficial to recycling, be beneficial to the nano material modified weather-resistance film much of environmental protection.
The present invention is from the recycling angle of mulch film, guaranteeing that having of mulch film heats, preserves soil moisture, adds lustre to and several big ecologic effects of common agricultural mulching such as weed eradication following, by adding physical and mechanical properties and the weather resistance that nano-material modified plastic matrix and oxidation inhibitor reduce cost and improves mulch film simultaneously, be beneficial to mulch film machinery and reclaim, thus pollution abatement.
The said weather-proof finger weather of the present invention, along with the variation of weather, the prolongation of time, every performance degradation of mulch film is smaller.
The said nano material modified weather-resistance film much of the present invention refers to through after adding nano material, nano material film properties modification to some extent over the ground.
A kind of nano material modified weather-resistance film much is to be made by the raw material of the component that contains following mass fraction: 87～98 parts of polyvinyl resins, 1～8 part of nano-material modified plastic matrix, 1～5 part in oxidation inhibitor.
In the above-mentioned weather-resistance film much, oxidation inhibitor is oxidation inhibitor 168 or antioxidant 1010.
In the above-mentioned weather-resistance film much, polyvinyl resin is a LLDPE.
In the above-mentioned weather-resistance film much, polyvinyl resin is the mixture of 10～15 parts of 80～87 parts of LLDPE and high density polyethylene(HDPE)s.
In the above-mentioned weather-resistance film much, polyvinyl resin is the mixture of 10～15 parts of 80～87 parts of LLDPE and new LDPE (film grade)s.
In the above-mentioned weather-resistance film much, polyvinyl resin is the mixture of 3～5 parts of 80～87 parts of LLDPE, 7～10 parts of new LDPE (film grade)s and high density polyethylene(HDPE)s.
The used nano-material modified plastic matrix of the present invention is meant and now is the product of public sale with the masterbatch of nanometer materials to the modifying plastics gained, for example: the nano-material modified plastic matrix of Xingjiang Tianye Co. that meets company standard Q/SSZ0220-2002.
Preparation method of the present invention is: nano-material modified plastic matrix, polyvinyl resin and the oxidation inhibitor umber proportioning adding mixing machine by technique scheme is mixed, send in the discharge tank, after automatical feeding system is sent into the forcing machine hopper, material in barrel according to behind certain technological temperature fusion plastification, through extrusion and blow molding, after the traction rolling is prepared into mulch film.
Because of the present invention has added nano-material modified plastic matrix in the preparation of mulch film, replaced the nanometer grade calcium carbonate modified material among the prior art CN1502654A, improved dispersiveness, the physical and mechanical properties of mulch film and weathering resistance are improved, moulding processability also is improved.Replace processing aid among the prior art CN1502654A with oxidation inhibitor, improved the weather resistance of mulch film.Nano-material modified plastic matrix and oxidation inhibitor are used by certain proportioning, can better improve physical and mechanical properties, the weather resistance of mulch film, physical and mechanical properties aspect particularly, tensile loading has improved nearly 1 times than technical indicator, and elongation at break has improved 2-5 doubly, the right-angle tearing load has improved more than 1 times (sees attached list), reach enhancing, toughness reinforcing and improve the purpose of weathering resistance, facilitated machinery and manual recovery like this, improved the rate of recovery, reduce cost recovery, alleviate environmental pollution.If polyvinyl resin is several mixing of LLDPE, new LDPE (film grade) or high density polyethylene(HDPE), for example polyvinyl resin is the mixture of LLDPE, new LDPE (film grade), high density polyethylene(HDPE), because linear low density polyethylene all is better than new LDPE (film grade) and high density polyethylene(HDPE) in intensity, toughness, rigidity, oil-proofness and thermotolerance, but its melt viscosity is big, and processed-type can be bad; And the new LDPE (film grade) good processability, the transparency of high density polyethylene(HDPE), good mechanical property have reached the best combination of performance so according to a certain ratio, then can further improve the rate of recovery, reduce production and cost recovery, alleviate environmental pollution.
Description of drawings
Accompanying drawing is a Performance Detection table of the present invention.
Embodiment
Embodiment 1
The present invention is made by the raw material of the component that contains following mass fraction (following umber all is a mass parts): polyvinyl resin is 95 parts of LLDPE, and 2 parts of nano-material modified plastic matrixs, oxidation inhibitor are 3 parts in 168 oxidation inhibitor.
Embodiment 2
The present invention is made by the raw material of the component that contains following umber: polyvinyl resin is 96 parts of LLDPE, and 2 parts of nano-material modified plastic matrixs, oxidation inhibitor are 2 parts in 168 oxidation inhibitor.
Embodiment 3
The present invention is made by the raw material of the component that contains following umber: polyvinyl resin is 97 parts of LLDPE, and 1.5 parts of nano-material modified plastic matrixs, oxidation inhibitor are 1.5 parts in 168 oxidation inhibitor.
In embodiment 1-3, oxidation inhibitor can be 1010 oxidation inhibitor.
Embodiment 4
Embodiment 4 and the arbitrary embodiment difference of embodiment 1-3 are that polyvinyl resin is the mixture of 15 parts of 80 parts of linear low density polyethylenes and high density polyethylene(HDPE)s.
Embodiment 5
Embodiment 5 difference from Example 4 are that polyvinyl resin is the mixture of 10 parts of 84 parts of LLDPE and high density polyethylene(HDPE)s.
Embodiment 6
Embodiment 6 difference from Example 5 are that polyvinyl resin is the mixture of 8 parts of 87 parts of LLDPE and high density polyethylene(HDPE)s.
Embodiment 7
Embodiment 7 is that with embodiment 4-6 difference high density polyethylene(HDPE) replaces with new LDPE (film grade).
Embodiment 8
Embodiment 8 and the arbitrary embodiment difference of embodiment 1-7 are that polyvinyl resin is the mixture of 5 parts of 80 parts of LLDPE, 10 parts of new LDPE (film grade)s and high density polyethylene(HDPE)s.
Embodiment 9
Embodiment 9 difference from Example 8 are that polyvinyl resin is the mixture of 4 parts of 85 parts of LLDPE, 9 parts of new LDPE (film grade)s and high-density polyethylenes.
Embodiment 10
Embodiment 10 difference from Example 9 are that polyvinyl resin is the mixture of 3 parts of 87 parts of LLDPE, 7 parts of new LDPE (film grade)s and high density polyethylene(HDPE)s.
Embodiment 11
Embodiment 11 is 87 parts of polyvinyl resins with embodiment 1-10 difference, and 8 parts of nano-material modified plastic matrixs, oxidation inhibitor are 5 parts in 168 oxidation inhibitor.
Embodiment 12
Embodiment 12 is 98 parts of polyvinyl resins with embodiment 11 differences, and 1 part of nano-material modified plastic matrix, oxidation inhibitor are 1 part in 168 oxidation inhibitor.
Embodiment 13
Embodiment 13 is 92 parts of polyvinyl resins with embodiment 12 differences, and 5 parts of nano-material modified plastic matrixs, oxidation inhibitor are 3 parts in 168 oxidation inhibitor.
Subordinate list
| Test item | Unit | Technical requirements | Detected result (10 times average) |
| Tensile loading (vertical/laterally) | N | ≥1.7 | 2.8/2.4 |
| Elongation at break (vertical/laterally) | ％ | ≥480 | 550/830 |
| The right-angle tearing load (vertical/laterally) | N | ≥0.9 | 1.2/1.5 |
Claims (7)
1, a kind of nano material modified weather-resistance film much is characterized in that being made of the component that contains following mass fraction: 87～98 parts of polyvinyl resins, 1～8 part of nano-material modified plastic matrix, 1～5 part in oxidation inhibitor.
2, mulch film as claimed in claim 1 is characterized in that 95～97 parts of polyvinyl resins, 2～3 parts of nano-material modified plastic matrixs, 1～2 part in oxidation inhibitor.
3, mulch film as claimed in claim 1 or 2 is characterized in that oxidation inhibitor is oxidation inhibitor 168 or antioxidant 1010.
4, mulch film as claimed in claim 3 is characterized in that polyvinyl resin is a LLDPE.
5, mulch film as claimed in claim 3 is characterized in that polyvinyl resin is the mixture of 10～15 parts of 80～87 parts of LLDPE and high density polyethylene(HDPE)s.
6, mulch film as claimed in claim 3 is characterized in that polyvinyl resin is the mixture of 10～15 parts of 80～87 parts of LLDPE and new LDPE (film grade)s.
7, mulch film as claimed in claim 3 is characterized in that polyvinyl resin is the mixture of 3～5 parts of 80～87 parts of LLDPE, 7～10 parts of new LDPE (film grade)s and high density polyethylene(HDPE)s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510126573 CN1978512A (en) | 2005-11-30 | 2005-11-30 | Nano material modified weather-resistance film much |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510126573 CN1978512A (en) | 2005-11-30 | 2005-11-30 | Nano material modified weather-resistance film much |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1978512A true CN1978512A (en) | 2007-06-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510126573 Pending CN1978512A (en) | 2005-11-30 | 2005-11-30 | Nano material modified weather-resistance film much |
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| CN (1) | CN1978512A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955605A (en) * | 2010-07-30 | 2011-01-26 | 王丽红 | Nano eco-degradable plastic shopping bags |
| CN103113659A (en) * | 2013-03-07 | 2013-05-22 | 民勤县邦德贸易有限公司 | Environment-friendly type water-saving agricultural mulching film and preparation method for same |
| CN103828662A (en) * | 2012-11-27 | 2014-06-04 | 新疆天业（集团）有限公司 | Weed-killing mulching film special for under-mulch drip irrigation rice cropping and production method of weed-killing mulching film special for under-mulch drip irrigation rice cropping |
| CN104004266A (en) * | 2014-06-18 | 2014-08-27 | 甘肃宏鑫农业科技有限公司 | Black weeding mulching film special for potatoes |
| CN110885490A (en) * | 2019-12-17 | 2020-03-17 | 甘肃省农业科学院 | Special easily-recycled mulching film for large-scale potato farm planting |
-
2005
- 2005-11-30 CN CN 200510126573 patent/CN1978512A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955605A (en) * | 2010-07-30 | 2011-01-26 | 王丽红 | Nano eco-degradable plastic shopping bags |
| CN101955605B (en) * | 2010-07-30 | 2013-01-09 | 王丽红 | Nano eco-degradable plastic shopping bags |
| CN103828662A (en) * | 2012-11-27 | 2014-06-04 | 新疆天业（集团）有限公司 | Weed-killing mulching film special for under-mulch drip irrigation rice cropping and production method of weed-killing mulching film special for under-mulch drip irrigation rice cropping |
| CN103113659A (en) * | 2013-03-07 | 2013-05-22 | 民勤县邦德贸易有限公司 | Environment-friendly type water-saving agricultural mulching film and preparation method for same |
| CN104004266A (en) * | 2014-06-18 | 2014-08-27 | 甘肃宏鑫农业科技有限公司 | Black weeding mulching film special for potatoes |
| CN110885490A (en) * | 2019-12-17 | 2020-03-17 | 甘肃省农业科学院 | Special easily-recycled mulching film for large-scale potato farm planting |
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Open date: 20070613 |