CN208425287U - A kind of ultrathin type degradable mulch - Google Patents
A kind of ultrathin type degradable mulch Download PDFInfo
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- CN208425287U CN208425287U CN201721697821.0U CN201721697821U CN208425287U CN 208425287 U CN208425287 U CN 208425287U CN 201721697821 U CN201721697821 U CN 201721697821U CN 208425287 U CN208425287 U CN 208425287U
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- 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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/28—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for farming
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Abstract
A kind of ultrathin type degradable mulch, it is followed successively by the first degraded layer, barrier layer, the second degraded layer from top to bottom, first degraded layer is biodegradation material, second degraded layer be starch plastics, first degraded layer, barrier layer, the second degraded layer thickness ratio be (5-10): 1:10.
Description
Technical field
The utility model relates to field of agricultural science and technology, and in particular to a kind of ultrathin type degradable mulch.
Background technique
Covering with ground sheeting is a mature agriculture cultivation technology, and the main function of mulch product is to play heat, root guard, prevent
Freeze, soil moisture conservation, adjust illumination, water-saving, weeding and control soil alkaline rising, and then promotes early ripening of the crops, improves crop quality
With yield；Its outstanding role in agricultural production, has been widely adopted.Degradable mulch has water conservation gas permeability, can make
Rhizome plants volume increase.While ground membrane technology use brings revolutionary change to agricultural production, the white that mulch is formed is dirty
Dye also has become focus concerned by people.Wherein " ultra-thin " covering with ground sheeting accounts for 60% or more.The difficult recycling problem of " ultra-thin " mulch
It is increasingly prominent, it has also become one of main source of farmland pollution.
Utility model content
In order to solve prior art problem, the utility model provides a kind of ultrathin degradable mulch, from top to bottom successively
For the first degraded layer, barrier layer, the second degraded layer, first degraded layer is biodegradation material, and second degraded layer is
Starch plastics, first degraded layer, barrier layer, the second degraded layer thickness ratio be (5-10): 1:10.
In some embodiments, the thickness of the ultrathin degradable mulch is no more than 0.01mm.
In some embodiments, first degraded layer is one of PLA, PHA.
In some embodiments, the barrier layer is PVA.
In some embodiments, the barrier layer is PVA-1788.
It is provided by the utility model ultrathin type degradable mulch, thickness be no more than 0.01mm, be belong to ultrathin mulch, and
Existing mulch is compared, and degradation material is used, and avoiding traditional mulch, aging is broken when in use, and is difficult to recycle, out
The case where existing white pollution.Meanwhile ultrathin type mulch made from degradation material will be used, it can also reduce cost.This is practical new
The surface layer of mulch is the first degraded layer in type, is biodegradation material.Internal layer is the second degraded layer, is starch plastics.It is intermediate
Barrier layer can play the effect of the good oxygen that blocks water, improve the water retention of soil.First degraded layer is using biodegrade
Material avoids that directly the time of degradation can be delayed with ground face contact.Second degraded layer uses starch plastics, due to the first drop
Solution layer, which is located above, absorbs some ultra violet rays, can also play the effect for delaying degradation.In this way, extending the utility model product
Weather-proof time phase, realize that there is good coverage effect during use, final ultrathin type mulch can be degradable, not only
Will not welding, PVA material used by barrier layer can serve as fertilizer after degradation, promotes the growth of crops.
Detailed description of the invention
Fig. 1 is the schematic diagram of embodiment 1 provided by the utility model；
Fig. 2 is the schematic diagram of embodiment 2 provided by the utility model；
It is respectively marked in figure as follows: 1 being the first degraded layer, 2 is barrier layer, 3 is the second degraded layer.
Specific embodiment
Such as Fig. 1, a kind of ultrathin type degradable mulch is followed successively by the first degraded layer 1 from top to bottom, barrier layer 2, second is degraded
Layer 3, first degraded layer are biodegradation material, and second degraded layer is starch plastics, first degraded layer, resistance
Interlayer, the second degraded layer thickness ratio be (5-10): 1:10.
As some embodiments of the utility model, first degraded layer, barrier layer, the second degraded layer thickness ratio
Including but not limited to, 5:1:10,6:1:10,7:1:10,8:1:10,9:1:10,10:1:10.
In some embodiments, the thickness of the ultrathin degradable mulch is no more than 0.01mm.
As the thickness of degradable mulch ultrathin in the utility model, specific examples thereof include for example: 0.01,
0.0095、0.009、0.0085、0.008、0.0075、0.007、0.0065、0.006、0.0055、0.005mm。
In some embodiments, first degraded layer is one of PLA, PHA.
PLA is that polylactic acid is a kind of novel biology base and recyclable organism degradable material, is provided using reproducible plant
The starch raw material that source (such as corn) is proposed is made.Starch raw material obtains glucose via saccharification, then by glucose and centainly
The lactic acid of high-purity is made in strain fermentation, then the polylactic acid of certain molecular weight is synthesized by chemical synthesis process.It has good
Biodegradability, can be degradable under given conditions by microorganism in nature after use, ultimately generate carbon dioxide
And water, free from environmental pollution, this is highly beneficial to protection environment, is generally acknowledged environment-friendly material.It can buy from the U.S.
NatureWorks company.
PHA is macromolecule polyester-poly-hydroxy fatty acid, there is at least 125 kinds of different monomer structures.The example of the PHA
Such as PHB, PHBV.PHB is poly-β-hydroxybutyric acid, and PHBV is the copolymer of 3-hydroxybutyrate ester and 3- hydroxyl valerate.It can be straight
It connects and is commercially available.
Starch plastics are to carry out chemical modification to starch using chemical reaction, reduce that the hydroxyl of starch, to change its original
Structure ative starch is become thermoplastic starch to change starch corresponding performance.Meet the starch of QB/T4012-2010
Base plastics can be used.
In some embodiments, the barrier layer is PVA.
PVA is polyvinyl alcohol.
In some embodiments, the barrier layer is PVA-1788.
Since mulch is sold by weight, under same area coverage, mulch is thinner, and use cost is lower.And traditional mulch
Predominantly linear low density polyethylene, degradation cycle, can serious weldings at 200 years or more.Provided by the utility modelly
Film is made by degradation material, and ultrathin mulch, which is directly degraded, does not have to recycling, and adds PVA as barrier layer, is effectively improved
Soil water-retaining rate, PVA can also be used as fertilizer after degradation.
The utility model is further described combined with specific embodiments below.
Embodiment 1
Such as Fig. 1, a kind of ultrathin type degradable mulch is followed successively by the first degraded layer 1 from top to bottom, barrier layer 2, second is degraded
Layer 3, first degraded layer are biodegradation material, and second degraded layer is starch plastics, first degraded layer, resistance
Interlayer, the second degraded layer thickness ratio be 10:1:10.
It is described ultrathin type degradable mulch with a thickness of 0.005mm.First degraded layer is PLA.The barrier layer is
PVA-1788。
Embodiment 2
Such as Fig. 2, a kind of ultrathin type degradable mulch is followed successively by the first degraded layer 1 from top to bottom, barrier layer 2, second is degraded
Layer 3, first degraded layer are biodegradation material, and second degraded layer is starch plastics, first degraded layer, resistance
Interlayer, the second degraded layer thickness ratio be 5:1:10.
It is described ultrathin type degradable mulch with a thickness of 0.008mm.First degraded layer is PLA.The barrier layer is
PVA-1788。
Embodiment 3
A kind of ultrathin type degradable mulch, is followed successively by the first degraded layer, barrier layer, the second degraded layer from top to bottom, described
First degraded layer is biodegradation material, and second degraded layer is starch plastics, first degraded layer, barrier layer, the
The thickness ratio of two degraded layers is 10:1:10.
It is described ultrathin type degradable mulch with a thickness of 0.01mm.First degraded layer is PHBV.The barrier layer is
PVA-1788。
Claims (5)
1. a kind of ultrathin type degradable mulch, which is characterized in that be followed successively by the first degraded layer, barrier layer, the second drop from top to bottom
Solve layer, first degraded layer be biodegradation material, second degraded layer be starch plastics, first degraded layer,
Barrier layer, the second degraded layer thickness ratio be (5-10): 1:10.
2. ultrathin type degradable mulch as described in claim 1, which is characterized in that the thickness of the ultrathin type degradable mulch
No more than 0.01mm.
3. ultrathin type degradable mulch as described in claim 1, which is characterized in that first degraded layer is in PLA, PHA
One kind.
4. ultrathin type degradable mulch as described in claim 1, which is characterized in that the barrier layer is PVA.
5. ultrathin type degradable mulch as described in claim 1, which is characterized in that the barrier layer is PVA-1788.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721697821.0U CN208425287U (en) | 2017-12-08 | 2017-12-08 | A kind of ultrathin type degradable mulch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721697821.0U CN208425287U (en) | 2017-12-08 | 2017-12-08 | A kind of ultrathin type degradable mulch |
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| Publication Number | Publication Date |
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| CN208425287U true CN208425287U (en) | 2019-01-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110126402A (en) * | 2019-03-28 | 2019-08-16 | 四川三合坡面科技有限公司 | A kind of degradative membrane of multilayer degradation |
| CN112602515A (en) * | 2020-11-24 | 2021-04-06 | 彤程化学（中国）有限公司 | Transparent multilayer biodegradable polyester agricultural film and preparation method and application thereof |
| CN113561604A (en) * | 2021-08-16 | 2021-10-29 | 中国科学院长春应用化学研究所 | Polylactic acid-based multifunctional multilayer composite agricultural mulching film and preparation method thereof |
-
2017
- 2017-12-08 CN CN201721697821.0U patent/CN208425287U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110126402A (en) * | 2019-03-28 | 2019-08-16 | 四川三合坡面科技有限公司 | A kind of degradative membrane of multilayer degradation |
| CN112602515A (en) * | 2020-11-24 | 2021-04-06 | 彤程化学（中国）有限公司 | Transparent multilayer biodegradable polyester agricultural film and preparation method and application thereof |
| CN113561604A (en) * | 2021-08-16 | 2021-10-29 | 中国科学院长春应用化学研究所 | Polylactic acid-based multifunctional multilayer composite agricultural mulching film and preparation method thereof |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230810 Address after: 655100 Malong Modern Industrial Park, Dianzhong Industrial New Area, Jiuxian Street, Malong District, Qujing City, Yunnan Province Patentee after: YUNNAN KEDI PLASTIC Co.,Ltd. Address before: 655000 no.352, Liaokou South Road, Qujing City, Yunnan Province Patentee before: YUNNAN QUJING PLASTIC (GROUP) CO.,LTD. |