CN104893071A - Degradable fertilizer bag - Google Patents
Degradable fertilizer bag Download PDFInfo
- Publication number
- CN104893071A CN104893071A CN201510316741.5A CN201510316741A CN104893071A CN 104893071 A CN104893071 A CN 104893071A CN 201510316741 A CN201510316741 A CN 201510316741A CN 104893071 A CN104893071 A CN 104893071A
- Authority
- CN
- China
- Prior art keywords
- starch
- parts
- fertilizer bag
- grafted
- particle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The invention relates to the technical field of agricultural packing bags, in particular to a degradable fertilizer bag. The degradable fertilizer bag comprises the following materials in parts by mass: 30-50 parts of low-density polyethylene, 2-8 parts of nano calcium carbonate, 18-24 parts of plant fibers, 6-18 parts of modified starch, 0.2-0.8 part of ductile particles and 0.8-4.8 parts of a photodegradable agent. As starch graft PMMA, starch graft PS, starch graft MAH or starch graft SBS is added, the compatibility of low-density polyethylene with other ingredients is improved, the ductility of the fertilizer bag is improved, and accordingly, the fertilizer bag has low probability of damage during use; meanwhile, as iron diethyl dithiocarbamaate, iron tristearate or ceric stearate is used as the photodegradable agent, the photodegradation efficiency is improved, the degradation time of the fertilizer bag is shortened, and the shortest degradation time is 5 months.
Description
Technical field
The present invention relates to agricultural packing bag technical field, especially a kind of degradable fertilizer bag.
Background technology
At present, known topdressing method imposes fertilizer nothing more than ditching around planting hole or spreads fertilizer over the fields chemical fertilizer.Cave-applied fertilizer of digging pit not only is taken a lot of work and time-consuming, and destroys soil vegetative cover because dig pit, and soil layer is exposed, and water, soil, fertilizer very easily suffer rain drop erosion and runs off, also can cause tree root exposed, tilt, lodging; Another kind method spreads fertilizer over the fields chemical fertilizer in forest land, although saving of labor, to save time, and, plant is considerably low to the utilization ratio of fertilizer, and only can utilize 30 ~ 60%, fertilization effect is very poor.Two kinds of fertilizing methods are all in the loss causing fertilizer in varying degrees, and the utilization ratio of fertilizer reduces, and wash away the fertilizer inflow rivers and lakes got off, and pollute water source, destroy ecotope.
Existing bag with fertilizer is substantially all nondegradable, after peasant's fertilising, be found everywhere bag with fertilizer, serious pollution is caused to environment, process these pollutions and have two kinds of methods, one is burnt after these bag with fertilizer centralized collection, but the peculiar smell given out after burning and black smoke still can impact environment; Another kind is embedded in soil by these bags with fertilizer, but the processing mode of this just short-term, bag with fertilizer is in soil or can not be decomposed, and can pollute equally to soil.
Summary of the invention
The object of the invention is: overcome deficiency of the prior art, a kind of environmentally safe is provided, the degradable fertilizer bag of fertilizer efficiency can be provided simultaneously.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
A kind of degradable fertilizer bag, the mass parts of described bag with fertilizer is composed as follows: Low Density Polyethylene 30-50 part, nano-calcium carbonate 2-8 part, vegetable fibre 18-24 part, treated starch 6-18 part, resilient granules 0.2-0.8 part, photodegradable aid 0.8-4.8 part.
Further, one or more in starch-grafted PMMA, starch-grafted PS, starch-grafted MAH, starch-grafted SBS selected by described treated starch.
Further, starch-grafted PS and starch-grafted MAH selected by described treated starch, and its mass ratio is 1:1.2-1.5.
Further, starch-grafted PS and starch-grafted MAH selected by described treated starch, and its mass ratio is 1:1.3.
Further, described photodegradable aid selects the one in ferric diethyldithiocarbamate, stearic acid iron, cerium stearate.
Further, described toughness reinforcing particle selects one or more in terpolymer EP rubber particle, ethylene-propylene rubber(EPR) particle, cis-1,4-polybutadiene rubber particle.
Further, described toughness reinforcing particle selects the mixture of terpolymer EP rubber particle and ethylene-propylene rubber(EPR) particle, and its mass ratio is 1:1.2-1.6.
Further, the mass ratio of described terpolymer EP rubber particle and ethylene-propylene rubber(EPR) particle is 1:1.4.
Further, the size of described native treated starch is 20-40 μm.
Further, the mass parts of described bag with fertilizer is composed as follows: Low Density Polyethylene 40 parts, nano-calcium carbonate 5 parts, 20 parts, vegetable fibre, treated starch 12 parts, resilient granules 0.5 part, photodegradable aid 2.8 parts.
The beneficial effect of technical scheme of the present invention is adopted to be:
With the addition of starch-grafted PMMA, starch-grafted PS, starch-grafted MAH or starch-grafted SBS in the present invention, add the consistency of Low Density Polyethylene and other compositions, can improve the toughness of bag with fertilizer, in use procedure, bag with fertilizer is not easily damaged; Meanwhile, use ferric diethyldithiocarbamate, stearic acid iron, cerium stearate as photodegradable aid in the present invention, improve the disposal efficiency, shorten the degradation time of bag with fertilizer, degradation time is 5 months the soonest.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described.
Embodiment 1
A kind of degradable fertilizer bag, the mass parts of described bag with fertilizer is composed as follows: Low Density Polyethylene 30 parts, nano-calcium carbonate 2 parts, 18 parts, vegetable fibre, treated starch 6 parts, resilient granules 0.2 part, photodegradable aid 0.8 part.
Wherein, starch-grafted PMMA selected by described treated starch
Wherein, described photodegradable aid selects ferric diethyldithiocarbamate.
Wherein, described toughness reinforcing particle selects terpolymer EP rubber particle.
Wherein, the size of described treated starch is 20-40 μm.
Embodiment 2
A kind of degradable fertilizer bag, the mass parts of described bag with fertilizer is composed as follows: Low Density Polyethylene 35 parts, nano-calcium carbonate 3 parts, 20 parts, vegetable fibre, treated starch 8 parts, resilient granules 0.3 part, photodegradable aid 1.2 parts.
Wherein, starch-grafted PS and starch-grafted MAH selected by described treated starch, and its mass ratio is 1:1.2.
Wherein, described photodegradable aid selects ferric diethyldithiocarbamate.
Wherein, described toughness reinforcing particle selects the mixture of terpolymer EP rubber particle and ethylene-propylene rubber(EPR) particle, and its mass ratio is 1:1.2.
Wherein, the size of described treated starch is 20-40 μm.
Embodiment 3
A kind of degradable fertilizer bag, the mass parts of described bag with fertilizer is composed as follows: Low Density Polyethylene 40 parts, nano-calcium carbonate 5 parts, 20 parts, vegetable fibre, treated starch 12 parts, resilient granules 0.5 part, photodegradable aid 2.8 parts.
Wherein, starch-grafted PS and starch-grafted MAH selected by described treated starch, and its mass ratio is 1:1.3.
Wherein, described photodegradable aid selects stearic acid iron.
Wherein, described toughness reinforcing particle selects the mixture of terpolymer EP rubber particle and ethylene-propylene rubber(EPR) particle, and its mass ratio is 1:1.4.
Wherein, the size of described treated starch is 20-40 μm.
Embodiment 4
A kind of degradable fertilizer bag, the mass parts of described bag with fertilizer is composed as follows: Low Density Polyethylene 45 parts, nano-calcium carbonate 6 parts, 20 parts, vegetable fibre, treated starch 16 parts, resilient granules 0.6 part, photodegradable aid 4.5 parts.
Wherein, starch-grafted PS and starch-grafted MAH selected by described treated starch, and its mass ratio is 1:1.4.
Wherein, described photodegradable aid selects cerium stearate.
Wherein, described toughness reinforcing particle selects the mixture of terpolymer EP rubber particle and ethylene-propylene rubber(EPR) particle, and its mass ratio is 1:1.5.
Wherein, the size of described treated starch is 20-40 μm.
Embodiment 5
A kind of degradable fertilizer bag, the mass parts of described bag with fertilizer is composed as follows: Low Density Polyethylene 50 parts, nano-calcium carbonate 8 parts, 24 parts, vegetable fibre, treated starch 18 parts, resilient granules 0.8 part, photodegradable aid 4.8 parts.
Wherein, described treated starch selects starch-grafted PMMA, starch-grafted PS, starch-grafted MAH, starch-grafted SBS.
Wherein, described photodegradable aid selects ferric diethyldithiocarbamate.
Wherein, described toughness reinforcing particle selects the mixture of terpolymer EP rubber particle and ethylene-propylene rubber(EPR) particle, and its mass ratio is 1:1.6.
Wherein, the size of described treated starch is 20-40 μm.
Degradation rate detects:
Monitor the degradation process of degradable fertilizer bag obtained in embodiment 1-5, along with the prolongation of time, degradation rate the results are shown in Table 1.
| 30 days | 60 days | 90 days | 120 days | 150 days | |
| Embodiment 1 | 22.5％ | 32％ | 45.2％ | 68.8％ | 98.9％ |
| Embodiment 2 | 32.6％ | 38.3％ | 56.8％ | 75.2％ | 99.8％ |
| Embodiment 3 | 35.8％ | 45.8％ | 58.6％ | 82.0％ | 100％ |
| Embodiment 4 | 27.4％ | 33.5％ | 45.8％ | 78.5％ | 97.8％ |
| Embodiment 5 | 28.9％ | 34.6％ | 43.8％ | 75.8％ | 97.4％ |
Embodiment 3 is preferred embodiment.
Although above-described embodiment describes in detail technical scheme of the present invention, but technical scheme of the present invention is not limited to above embodiment, when not departing from thought of the present invention and aim, claims limited range of the present invention all will be fallen into any change that technical scheme of the present invention is done.
Claims (10)
1. a degradable fertilizer bag, it is characterized in that, the mass parts of described bag with fertilizer is composed as follows: Low Density Polyethylene 30-50 part, nano-calcium carbonate 2-8 part, vegetable fibre 18-24 part, treated starch 6-18 part, resilient granules 0.2-0.8 part, photodegradable aid 0.8-4.8 part.
2. a kind of degradable fertilizer bag according to claim 1, is characterized in that: one or more in starch-grafted PMMA, starch-grafted PS, starch-grafted MAH, starch-grafted SBS selected by described treated starch.
3. a kind of degradable fertilizer bag according to claim 2, it is characterized in that: starch-grafted PS and starch-grafted MAH selected by described treated starch, its mass ratio is 1:1.2-1.5.
4. a kind of degradable fertilizer bag according to claim 3, it is characterized in that: starch-grafted PS and starch-grafted MAH selected by described treated starch, its mass ratio is 1:1.3.
5. a kind of degradable fertilizer bag according to claim 1, is characterized in that: described photodegradable aid selects the one in ferric diethyldithiocarbamate, stearic acid iron, cerium stearate.
6. a kind of degradable fertilizer bag according to claim 1, is characterized in that: described toughness reinforcing particle selects one or more in terpolymer EP rubber particle, ethylene-propylene rubber(EPR) particle, cis-1,4-polybutadiene rubber particle.
7. a kind of degradable fertilizer bag according to claim 6, is characterized in that: described toughness reinforcing particle selects the mixture of terpolymer EP rubber particle and ethylene-propylene rubber(EPR) particle, and its mass ratio is 1:1.2-1.6.
8. a kind of degradable fertilizer bag according to claim 7, is characterized in that: the mass ratio of described terpolymer EP rubber particle and ethylene-propylene rubber(EPR) particle is 1:1.4.
9. a kind of degradable fertilizer bag according to claim 1, is characterized in that: the size of described treated starch is 20-40 μm.
10. a kind of degradable fertilizer bag according to claim 1, it is characterized in that, the mass parts of described bag with fertilizer is composed as follows: Low Density Polyethylene 40 parts, nano-calcium carbonate 5 parts, 20 parts, vegetable fibre, treated starch 12 parts, resilient granules 0.5 part, photodegradable aid 2.8 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510316741.5A CN104893071A (en) | 2015-06-11 | 2015-06-11 | Degradable fertilizer bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510316741.5A CN104893071A (en) | 2015-06-11 | 2015-06-11 | Degradable fertilizer bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104893071A true CN104893071A (en) | 2015-09-09 |
Family
ID=54026062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510316741.5A Pending CN104893071A (en) | 2015-06-11 | 2015-06-11 | Degradable fertilizer bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104893071A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106398259A (en) * | 2016-10-09 | 2017-02-15 | 范毅 | Biodegradable composite material, plant nutrient pot and production method of plant nutrient pot |
| CN106718481A (en) * | 2016-11-17 | 2017-05-31 | 桐梓县新站镇槐树种养殖专业合作社 | Oranges and tangerines implantation methods |
| CN111234357A (en) * | 2020-04-09 | 2020-06-05 | 苏州清之绿新材料有限公司 | Biodegradable nano plastic sheet and manufacturing method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1702110A (en) * | 2005-06-15 | 2005-11-30 | 沈阳化工学院 | Light-degradable and biodegradable nano antibacterial plastics prepared by using waste plastics and process for preparing same |
-
2015
- 2015-06-11 CN CN201510316741.5A patent/CN104893071A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1702110A (en) * | 2005-06-15 | 2005-11-30 | 沈阳化工学院 | Light-degradable and biodegradable nano antibacterial plastics prepared by using waste plastics and process for preparing same |
Non-Patent Citations (2)
| Title |
|---|
| 《化工百科全书》编辑委员会 等: "《树脂与塑料.《化工百科全书》专业卷》", 31 January 2003 * |
| 刘宏 等: "《无机精细化学品生产技术》", 31 July 2008 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106398259A (en) * | 2016-10-09 | 2017-02-15 | 范毅 | Biodegradable composite material, plant nutrient pot and production method of plant nutrient pot |
| CN106718481A (en) * | 2016-11-17 | 2017-05-31 | 桐梓县新站镇槐树种养殖专业合作社 | Oranges and tangerines implantation methods |
| CN111234357A (en) * | 2020-04-09 | 2020-06-05 | 苏州清之绿新材料有限公司 | Biodegradable nano plastic sheet and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103131424B (en) | Saline alkali soil conditioner | |
| Delang | Causes and distribution of soil pollution in China | |
| CN101722177B (en) | Method for fixing pollutants in pollution source soil in abandoned mine fields and application thereof | |
| CN105917781A (en) | Ecological restoration method for sulfur-containing mine waste slag pile | |
| CN104893071A (en) | Degradable fertilizer bag | |
| CN111662722B (en) | Soilless planting substrate for vegetation recovery of metal mine waste rock yard and vegetation recovery construction method thereof | |
| CN108329923B (en) | A kind of soil conditioner and its preparation and application enhancing crop anti-adversity | |
| CN108752127A (en) | A kind of biomass castoff soil conditioner in improvement salt-soda soil | |
| WO2020098012A1 (en) | Preparation method for plant growth agent for ecological water conservation, fertilizer saving and yield promotion | |
| CN104232096A (en) | Soil conditioner | |
| CN105110967A (en) | Water-retention slow-release urea fertilizer and production method thereof | |
| CN107011907A (en) | Medicament and restorative procedure are repaired in a kind of farmland arable land Cd pollution passivation | |
| JP2006219604A (en) | Engineering method for improving soil and soil-improving material | |
| CN107418585B (en) | Saline-alkali soil conditioner | |
| CN103460845A (en) | Garden planting method of waste silt | |
| CN106190161A (en) | A kind of soil structure modifying agent | |
| CN102714942A (en) | Garden planting method for waste soil | |
| CN113647222A (en) | Method for restoring red mud yard in-situ greening | |
| CN101774838B (en) | Corn growth promoting agent containing phosphogypsum and as well as preparation method and application thereof | |
| CN106430641A (en) | High-efficiency slow release scale inhibitor and preparation method thereof | |
| CN112979389A (en) | Garden sludge modification formula and method for improving soil by garden sludge modification formula | |
| CN109047310A (en) | Natural plants gluing agent and preparation method thereof for the restoration of the ecosystem of tailing area | |
| Rad et al. | Compatibility of different eucalyptus species and provenances under sewage irrigation using Yazd City wastewater treatment plant effluent | |
| CN209527101U (en) | Saline-alkali soil original soil improves automated system | |
| CN112321365A (en) | Novel neutral organic water-soluble fertilizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150909 |