CN106398259A - Biodegradable composite material, plant nutrient pot and production method of plant nutrient pot - Google Patents
Biodegradable composite material, plant nutrient pot and production method of plant nutrient pot Download PDFInfo
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- CN106398259A CN106398259A CN201610880373.1A CN201610880373A CN106398259A CN 106398259 A CN106398259 A CN 106398259A CN 201610880373 A CN201610880373 A CN 201610880373A CN 106398259 A CN106398259 A CN 106398259A
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- composite material
- straw
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- degradable composite
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
-
- 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
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- 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
-
- 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
Abstract
The invention provides a biodegradable composite material, a plant nutrient pot and a production method of the plant nutrient pot, and relates to the technical field of degradable materials. The biodegradable composite material is prepared from the following raw materials in parts by weight: 20 to 40 parts of degradable plastic and 55 to 80 parts of straw powder. The biodegradable composite material has the advantages of being capable of being completely degraded, and being environment-friendly, pollution-free, good in ventilation and low in cost. The plant nutrient pot produced by using the biodegradable composite material has the advantages of environment friendliness, no pollution, good drainage ventilation, resource saving, low cost and capability of generating nutrient substances required by nursery stock after degradation.
Description
Technical field
The present invention relates to degradable material field, in particular to a kind of degradable composite material, plant nutrition bowl and its
Preparation method.
Background technology
Oxidized form fully bio-degradable technology is a new focus of global ep-type material development, is the starch based life that continues now
After thing degradative plastics, one of technology the most advanced, is not also understood use by most people at present at home.Oxidative degradation
Plastics refer to oxidative degradation and a kind of biodegradable environment-friendly type plastic that can be degradable in degradation process simultaneously.Logical
Cross and add degradant additive in macromolecular material (PE, PP and PS), make plastics under light or/and heat effect, occur oxidation anti-
Should.After plastic abandoned, two kinds of materials in additive, are had to work：One is that pre-oxidation agent (is mainly some nontoxic gold
Belong to ion), two is that biodegradation promotes material (being mainly some natural plant celluloses).Pre-oxidation agent control plastics not by
Keep due life-span and function during abandonment, after abandonment, molecular weight is reduced so that polymer becomes fragile by peroxidization, easily
In microbial decomposition.
Nutritive cube on the market mainly has two kinds at present, and one kind is plastic nutrition bowl, mainly by chemical material or degradable
Plastics are made, and another kind is the Light media non-woven fabrics nutrition pot for seedling culture of a new generation, are mainly held by light seedling raising medium and non-woven fabrics
Equipment material forms.
There is some deficiency following in plastic nutrition bowl：1) pollution environment is it is impossible to degrade or incomplete degraded；2) breathability
Difference；3) water insoluble；4) itself it is not provided that nutrient substance, need outer boundary to compensate；5) starch is used to make degradative plastics cost
Of a relatively high.
In view of this, the special proposition present invention.
Content of the invention
The first object of the present invention is to provide a kind of degradable composite material, and this degradable composite material has can be complete
The advantage of degradable, environment friendly and pollution-free, good permeability and low cost.
The second object of the present invention is to provide a kind of plant nutrition bowl, and this plant nutrition bowl has environment friendly and pollution-free, row
Water good permeability, economize on resources, the advantage of nursery stock desired nutritional material can be produced after low cost and degraded.
The third object of the present invention is to provide a kind of preparation method of plant nutrition bowl, and the method is simple to operate, cost
Low and easily accomplish scale production.
In order to realize the above-mentioned purpose of the present invention, spy employs the following technical solutions：
A kind of degradable composite material, by weight meter include the following raw material：Degradative plastics 20-40 part and powder of straw
55-80 part.
The degradable composite material that the present invention provides, adds powder of straw, by increasing capacitance it is possible to increase degradative plastics in degradative plastics
Breathability and permeability rate, make prepared degradable composite material can keep the characteristic of plastics, the advantage again having water-permeable and air permeable concurrently.
Because select in the degradable composite material of the present invention is degradative plastics, itself there is the function that can be degraded, meanwhile,
The powder of straw added belongs to natural organic, contamination-freely can degrade, therefore this degradable composite material in nature
There is extremely strong environmental protection characteristic.When in for plant growing field, microbial growth can be accelerated, promote degradable composite material
Natural decomposition Cheng Shui, carbon dioxide and humic acid organic fertilizer in soil, thus promote the growth of the root system of plant.In addition, this
Bright degradable composite material, under condition of natural ventilation, can keep the characteristic of plastics, and degradation speed is slower, when embedment ground
When lower, due to the increase of moisture, thus promoting the activity of degradation agent in degradative plastics, along with powder of straw decomposes the collaborative of generation
Effect is so that this degradable composite material being capable of fast degradation.
Degradative plastics includes light degradation plastic, Biodegradable plastic, oxidized-biodegradable plastic, light-biology comprehensively
Degradative plastics, thermoplastic starch resin degradative plastics and carbon dioxide-base biodegradable plastic.
Degradative plastics preferentially adopts oxidized-biodegradable plastic, can produce oxidative degradation and biodegradation simultaneously.
Oxidized-biodegradable plastic refers to occur oxidative degradation and biodegradable one kind can be complete in degradation process simultaneously
The environment-friendly type plastic of degradable.Oxidized-biodegradable plastic technology is general addition fall in macromolecular material (PE, PP and PS)
Solution additive (oxidative biodegradation master batch), makes plastics under light/and heat effect, oxidation reaction occurs.Meanwhile, as existed
Microorganism, then can occur biodegradation, and final catabolite is water, carbon dioxide and humus.
In the present invention, count by weight, the typical but non-limiting content of degradative plastics is, for example,：20 parts, 22 parts, 24
Part, 26 parts, 28 parts, 30 parts, 32 parts, 34 parts, 36 parts, 38 parts or 40 parts.
Powder of straw, preferentially selects stalk plate sanding powder, can turn waste into wealth, in addition the particle diameter of stalk plate sanding powder is little, can subtract
Grinding time in few preparation process.
In the present invention, count by weight, the typical but non-limiting content of powder of straw is, for example,：55 parts, 57 parts, 60
Part, 62 parts, 64 parts, 66 parts, 68 parts, 70 parts, 72 parts, 74 parts, 76 parts, 78 parts or 80 parts.
Preferably, count by weight and also include fertilizer 3-7 part.
Fertilizer is the necessary nutrient substance of plant, can improve soil property and increasing soil fertility, meanwhile, fertilizer plus
Enter, make plant nutrition bowl itself have nutriment, need not additionally supplement nutriment again.
Fertilizer in the present invention is preferably compound fertilizer, can add different compound fertilizer for different plant selectable.
In the present invention, the meter typical but non-limiting content of fertilizer by weight is, for example,：3 parts, 4 parts, 5 parts, 6 parts or
7 parts.
Preferably, described degradative plastics count by weight including one of polypropylene, polyethylene or polystyrene or
At least two combination 17-33 part and degradation agent 3-7 part.
In the present invention, count one of polypropylene, polyethylene or polystyrene or at least two combination by weight
Typical but non-limiting content is, for example,：17 parts, 18 parts, 19 parts, 20 parts, 21 parts, 22 parts, 23 parts, 24 parts, 25 parts, 26 parts,
27 parts, 28 parts, 29 parts, 30 parts, 31 parts, 32 parts or 33 parts.
In the present invention, the meter typical but non-limiting content of degradation agent by weight is, for example,：3 parts, 4 parts, 5 parts, 6 parts
Or 7 parts.
Preferably, described degradation agent is oxidative biodegradation master batch.
Oxidative biodegradation master batch be using light, biodegradation agent be primary raw material, add a certain amount of photosensitive regulator,
The auxiliary agents such as dispersant, bioactivator and vector resin, the technique such as blended, plasticizing and extrusion processes.Add oxidation life
The plastics such as shopping bag, cutlery box, refuse bag and mulch film that thing degradation master batch produces, keep plastic original within the shelf-life
Performance, degrade after discarded a period of time, the environmental pollution that plastic refuse causes can be significantly reduced.
Preferably, meter includes the following raw material by weight：One of polypropylene, polyethylene or polystyrene or at least
Two kinds combination 17-33 part, oxidative biodegradation master batch 3-7 part, powder of straw 55-80 part and fertilizer 3-7 part.
Preferably, meter includes the following raw material by weight：One of polypropylene, polyethylene or polystyrene or at least
Two kinds combination 20-30 part, oxidative biodegradation master batch 4-6 part, powder of straw 60-75 part and fertilizer 4-6 part.
By optimizing the proportioning of each raw material further so that the performance of the degradable composite material prepared is carried further
Rise.
Preferably, described powder of straw is mainly appointed by rice husk, Caulis et Folium Oryzae, wheat straw, corn straw, Cotton Stalk, wood flour or bamboo scraps
The powder of straw that a kind of or at least two combination of anticipating obtains.
A kind of plant nutrition bowl, is prepared from by above-mentioned degradable composite material.
The plant nutrition bowl of the present invention natural decomposition can become humic acid organic fertilizer in degradation process in soil, promotes to educate
Seedling well developed root system, especially for when in forestry afforestation nursery, just can provide nutrition for nursery stock after auto-degradation, environmental protection is no dirty
Dye.In addition, the powder of straw added can make this plant nutrition bowl have the advantages that draining good permeability；Additionally, powder of straw can be drawn
Moisture in soil, has, to the moisture in soil, the effect of collecting, and therefore, this plant nutrition bowl also has certain water retaining function,
The soil in plant nutrition bowl is not caused to become too dry, thus moisture improves the survival rate of nursery stock needed for providing for nursery stock.And
And, plant nutrition bowl the making than the nutritive cube making of powder of straw purely of degradative plastics and the reasonably combined making of powder of straw
Longer with the life-span, lower than the plant nutrition bowl cost being made using foodstuff starch, more economize on resources.
In component add fertilizer powder, after making plant nutrition bowl, plant nutrition bowl itself can slow release nutrient, promote
Nursery root growth, improves the survival rate of nursery stock.
The preparation method of above-mentioned plant nutrition bowl, comprises the following steps：
By degradative plastics, powder of straw and optionally fertilizer mix grinding aftershaping, obtain final product plant nutrition bowl；
Preferably,
By one of polypropylene, polyethylene or polystyrene or at least two combination, oxidative biodegradation master batch, straw
Stalk powder and fertilizer mix grinding aftershaping, obtain final product plant nutrition bowl；
Preferably,
By one of polypropylene, polyethylene or polystyrene or at least two combination, oxidative biodegradation master batch, fertilizer
Material and main by rice husk, Caulis et Folium Oryzae, wheat straw, corn straw, Cotton Stalk, wood flour or bamboo scraps any one or at least two combination
The powder of straw mix grinding aftershaping obtaining, obtains final product plant nutrition bowl.
This preparation method is for the preparation method using starch plasticses, simple, and cost reduces, and typically sets
For just producing, the performance of plastics has also obtained good maintenance.
Compared with the prior art, the present invention has the advantages that：
The degradable composite material that the present invention provides, adds powder of straw, by increasing capacitance it is possible to increase degradative plastics in degradative plastics
Breathability and permeability rate, make prepared degradable composite material can keep the characteristic of plastics, the advantage again having water-permeable and air permeable concurrently.
Because select in the degradable composite material of the present invention is degradative plastics, itself there is the function that can be degraded, meanwhile,
The powder of straw added belongs to natural organic, contamination-freely can degrade, therefore this degradable composite material in nature
There is extremely strong environmental protection characteristic.When in for plant growing field, microbial growth can be accelerated, promote degradable composite material
Natural decomposition Cheng Shui, carbon dioxide and humic acid organic fertilizer in soil, thus promote the growth of the root system of plant.In addition, this
Bright degradable composite material, under condition of natural ventilation, can keep the characteristic of plastics, and degradation speed is slower, when embedment ground
When lower, due to the increase of moisture, thus promoting the activity of degradation agent in degradative plastics, along with powder of straw decomposes the collaborative of generation
Effect is so that this degradable composite material being capable of fast degradation.
The plant nutrition bowl of the present invention natural decomposition can become humic acid organic fertilizer in degradation process in soil, promotes to educate
Seedling well developed root system, especially in forestry afforestation nursery, just can provide nutrition for nursery stock after auto-degradation, environment friendly and pollution-free.
In addition, the powder of straw added can make this plant nutrition bowl have the advantages that draining good permeability；Additionally, powder of straw can draw soil
In moisture, have, to the moisture in soil, the effect of collecting, therefore, this plant nutrition bowl also has certain water retaining function, will not
The soil in plant nutrition bowl is made to become too dry, thus moisture improves the survival rate of nursery stock needed for providing for nursery stock.And, fall
The plant nutrition bowl of solution plastics and the reasonably combined making of powder of straw is than the use longevity of the nutritive cube making of powder of straw purely
Life is longer, lower than the plant nutrition bowl cost being made using foodstuff starch, more economizes on resources.
Specific embodiment
Below in conjunction with embodiment, embodiment of the present invention is described in detail, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and be not construed as limiting the scope of the present invention.Unreceipted concrete in embodiment
Condition person, the condition according to normal condition or manufacturer's suggestion is carried out.Agents useful for same or the unreceipted production firm person of instrument, are
Can be by the commercially available conventional products bought and obtain.
Below in conjunction with embodiment 1-24 and comparative example 1-10 to the degradable composite material of invention and plant nutrition bowl
Component and degradation characteristic are further described in detail.
Embodiment 1
The component of degradable composite material is as follows：
33 parts of polypropylene, 3 parts of the oxidative biodegradation master batch of Hebei Ka Run auspicious Environmental Protection Technology Co., Ltd production, powder of straw
55 parts.
Embodiment 2
The component of degradable composite material is as follows：
25 parts of polyethylene, 5 parts of the oxidative biodegradation master batch of Hebei Ka Run auspicious Environmental Protection Technology Co., Ltd production, powder of straw
65 parts.
Embodiment 3
The component of degradable composite material is as follows：
17 parts of polystyrene, 3 parts of the oxidative biodegradation master batch of Hebei Ka Run auspicious Environmental Protection Technology Co., Ltd production, straw
80 parts of powder.
Embodiment 4
The component of degradable composite material is as follows：
17 parts of polypropylene, 3 parts of the oxidative biodegradation master batch of Hebei Ka Run auspicious Environmental Protection Technology Co., Ltd production, powder of straw
55 parts and 3 parts of fertilizer.
Embodiment 5
The component of degradable composite material is as follows：
20 parts of polyethylene, Foochow Fu Su Science and Technology Ltd. produce 4 parts of oxidative biodegradation master batch, 60 parts of powder of straw and
4 parts of fertilizer.
Embodiment 6
The component of degradable composite material is as follows：
5 parts of oxidative biodegradation master batch, 65 parts of powder of straw and fertilizer that 25 parts of polystyrene, Dongguan City Wei Tai color masterbatch factory produce
5 parts of material.
Embodiment 7
The component of degradable composite material is as follows：
17 parts of polystyrene, 6 parts of the oxidative biodegradation master batch of Hebei Ka Run auspicious Environmental Protection Technology Co., Ltd production, straw
75 parts of powder and 6 parts of fertilizer.
Embodiment 8
The component of degradable composite material is as follows：
30 parts of polystyrene, 7 parts of the oxidative biodegradation master batch of Hebei Ka Run auspicious Environmental Protection Technology Co., Ltd production, straw
80 parts of powder and 7 parts of fertilizer.
Embodiment 9
The component of degradable composite material is as follows：
The oxidative biodegradation that 28 parts of the combination of polypropylene and polyethylene, Shandong Ecology Benign Plastics Technology Co., Ltd. produce is female
4 parts of grain, 65 parts of powder of straw and 5 parts of fertilizer.
Embodiment 10
The component of degradable composite material is as follows：
The oxidative biological fall that 17 parts of the combination of polypropylene and polystyrene, Hebei Ao Kebai Environmental Protection Technology Co., Ltd produce
5 parts of master batch of solution, 70 parts of powder of straw and 5 parts of fertilizer.
Embodiment 11
The component of degradable composite material is as follows：
The oxidative biological fall that 25 parts of the combination of polyethylene and polystyrene, the auspicious Environmental Protection Technology Co., Ltd of Hebei Ka Run produce
5 parts of master batch of solution, 68 parts of powder of straw and 5 parts of fertilizer.
Embodiment 12
The component of degradable composite material is as follows：
28 parts of the combination of polypropylene, polyethylene and polystyrene three, the auspicious Environmental Protection Technology Co., Ltd of Hebei Ka Run produce
5 parts of oxidative biodegradation master batch, 70 parts of powder of straw and 5 parts of fertilizer.
Comparative example 1
Commercial degradation plastic 1
Comparative example 2
Commercial degradation plastic 2
Comparative example 3
The component of degradable composite material is as follows：
40 parts of polypropylene, 2 parts of the oxidative biodegradation master batch of Hebei Ka Run auspicious Environmental Protection Technology Co., Ltd production, powder of straw
30 parts and 3 parts of fertilizer.
Comparative example 4
The component of degradable composite material is as follows：
10 parts of polyethylene, 2 parts of the oxidative biodegradation master batch of Hebei Ka Run auspicious Environmental Protection Technology Co., Ltd production, powder of straw
80 parts and 1 part of fertilizer.
Comparative example 5
The component of degradable composite material is as follows：
40 parts of the combination of polypropylene, polyethylene and polystyrene three, the auspicious Environmental Protection Technology Co., Ltd of Hebei Ka Run produce
1 part of oxidative biodegradation master batch, 40 parts of powder of straw and 2 parts of fertilizer.
Testing example 1-12 and plasticity retention time of degradable composite material and degradable of comparative example 1-5 preparation
Time.Test result is as shown in table 1.Wherein, the plasticity retention time loses toughness, hardness and the bullet of plastics for degrading composite
Property required time；The degradable time is the degrading composite degradable time for innocuous substance.
Testing standard is with reference to following standard.
It is as follows that U.S. ASTM has announced test standard：Biodegradable plastic relevant evaluation test standard, ASTMD5209-92,
ASTMD5210-92, ASTMD5247-92, ASTM D5271-92, ASTM D5338-92.The relevant evaluation test of photodegradable plasticses
Standard, ASTM D5071-91, ASTM D5208-91, ASTM D3826-92.Environmental security relevant evaluation test standard,
ASTMD5152-91.The relevant test standard of China's announcement is as follows：GB 18006.1-1999 " degradable disposable dinner (beverage) containers
General technical specifications ", GB/T 18006.2-1999 " degradable disposable dinner (beverage) containers degradation property test method ", HJBZ 12-
2000 " packing articles environmental labelling product technical requirements ", " disposable food or beverage container environmental labelling product technology will for HBC 1-2001
Ask ", QB/T 2461-1999 " packaging degrading polyethylene thin film ".
Table 1 degrading composite plasticity retention time and degradable timetable
| Sample | The plasticity retention time/sky | Degradable time/sky after buried |
| Embodiment 1 | 110 | 180 |
| Embodiment 2 | 90 | 156 |
| Embodiment 3 | 75 | 128 |
| Embodiment 4 | 98 | 149 |
| Embodiment 5 | 100 | 148 |
| Embodiment 6 | 100 | 150 |
| Embodiment 7 | 92 | 145 |
| Embodiment 8 | 97 | 145 |
| Embodiment 9 | 90 | 140 |
| Embodiment 10 | 92 | 143 |
| Embodiment 11 | 94 | 152 |
| Embodiment 12 | 95 | 148 |
| Comparative example 1 | 180 | 400 |
| Comparative example 2 | 200 | 450 |
| Comparative example 3 | 120 | 285 |
| Comparative example 4 | 30 | 100 |
| Comparative example 5 | 150 | 240 |
As it can be seen from table 1 embodiment 1-12 has relatively good plasticity retention time and degradation speed faster.Especially
, for the commercial products that comparative example 1-2 is provided, more, degradable required time is shorter for its degradation speed for it.
Embodiment 13-24 is the plant nutrient that the degrading composite being utilized respectively embodiment 1-12 and being provided prepares
Alms bowl, comparative example 6-10 is the plant nutrition bowl that the material being utilized respectively comparative example 1-5 and being provided prepares, and its properties refers to
Mark is as shown in table 2.
Wherein, the preparation method of each nutrient plant alms bowl is as follows：Respectively will be raw materials used to embodiment 1-12 and comparative example 1-5 mixed
Mill aftershaping, obtains final product the plant nutrition bowl of embodiment 13-24 and comparative example 6-10.
The property indices of the plant nutrition bowl of table 2 embodiment 13-24 and comparative example 6-10
| Sample | The plasticity retention time/sky | Degradable time/sky after buried | Half a year plant survival rate |
| Embodiment 13 | 110 | 180 | 85% |
| Embodiment 14 | 90 | 156 | 88% |
| Embodiment 15 | 75 | 128 | 90% |
| Embodiment 16 | 98 | 149 | 92% |
| Embodiment 17 | 100 | 148 | 94% |
| Embodiment 18 | 100 | 150 | 93% |
| Embodiment 19 | 92 | 145 | 91% |
| Embodiment 20 | 97 | 145 | 90% |
| Embodiment 21 | 90 | 140 | 92% |
| Embodiment 22 | 92 | 143 | 94% |
| Embodiment 23 | 94 | 152 | 95% |
| Embodiment 24 | 95 | 148 | 95% |
| Comparative example 6 | 180 | 400 | 70% |
| Comparative example 7 | 200 | 450 | 72% |
| Comparative example 8 | 120 | 285 | 80% |
| Comparative example 9 | 30 | 100 | 82% |
| Comparative example 10 | 150 | 240 | 79% |
As can be seen from Table 2, the proportion relation of each raw material being provided with the present invention, the plant nutrition bowl prepared, nursery
When can keep the plastic behavior of plant nutrition bowl, will not degrade quickly, when imbedding underground, can soon degradable for no
Evil product, is conducive to the growth of plant.And commercial products then need to be degraded with having more one times of even longer time, for plant
The growth of thing is unfavorable.
Although illustrate and describing the present invention with specific embodiment, but it will be appreciated that without departing substantially from the present invention's
Many other changes can be made in the case of spirit and scope and change.It is, therefore, intended that in the following claims
Including all such changes and modifications belonging in the scope of the invention.
Claims (10)
1. a kind of degradable composite material is it is characterised in that meter by weight includes the following raw material：Degradative plastics 20-40 part
With powder of straw 55-80 part.
2. degradable composite material according to claim 1 also includes fertilizer 3-7 it is characterised in that counting by weight
Part.
3. degradable composite material according to claim 1 and 2 is it is characterised in that described degradative plastics is oxidative biological
Degradative plastics.
4. degradable composite material according to claim 3 it is characterised in that described oxidized-biodegradable plastic by weight
Number meter include one of polypropylene, polyethylene or polystyrene or at least two combination 17-33 part and degradation agent 3-7
Part.
5. degradable composite material according to claim 4 is it is characterised in that described degradation agent is oxidative biodegradation mother
Grain.
6. the degradable composite material according to claim 4 or 5 is it is characterised in that meter inclusion by weight is former as follows
Material：One of polypropylene, polyethylene or polystyrene or at least two combination 17-33 part, oxidative biodegradation master batch 3-7
Part, powder of straw 55-80 part and fertilizer 3-7 part.
7. degradable composite material according to claim 6 is it is characterised in that meter by weight includes the following raw material：
One of polypropylene, polyethylene or polystyrene or at least two combination 20-30 part, oxidative biodegradation master batch 4-6 part,
Powder of straw 60-75 part and fertilizer 4-6 part.
8. degradable composite material according to claim 7 it is characterised in that described powder of straw mainly by rice husk, Caulis et Folium Oryzae,
In wheat straw, corn straw, Cotton Stalk, wood flour or bamboo scraps any one or at least two the powder of straw that obtains of combination.
9. a kind of plant nutrition bowl it is characterised in that described in any one of claim 1-8 degradable composite material preparation and
Become.
10. the preparation method of plant nutrition bowl according to claim 9 is it is characterised in that comprise the following steps：
By degradative plastics, powder of straw and optionally fertilizer mix grinding aftershaping, obtain final product plant nutrition bowl；
Preferably,
By one of polypropylene, polyethylene or polystyrene or at least two combination, oxidative biodegradation master batch, powder of straw
With fertilizer mix grinding aftershaping, obtain final product plant nutrition bowl；
Preferably,
By one of polypropylene, polyethylene or polystyrene or at least two combination, oxidative biodegradation master batch, fertilizer and
Main obtained by any one or at least two combination in rice husk, Caulis et Folium Oryzae, wheat straw, corn straw, Cotton Stalk, wood flour or bamboo scraps
Powder of straw mix grinding aftershaping, obtain final product plant nutrition bowl.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108432538A (en) * | 2018-03-30 | 2018-08-24 | 美丽国土（北京）生态环境工程技术研究院有限公司 | Revegetation breeding apparatus and implementation |
| CN109463251A (en) * | 2018-11-15 | 2019-03-15 | 泉州师范学院 | For ultra-soft foundation or the degradable plantation filling tube and manufacturing method of Tailings Dam |
| CN109810412A (en) * | 2019-02-01 | 2019-05-28 | 王玉廷 | Light, Biodegradable Dining tool based on bio-based materials and preparation method thereof |
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