CN106349538A - Mulching film capable of being decomposed quickly - Google Patents

Mulching film capable of being decomposed quickly Download PDF

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Publication number
CN106349538A
CN106349538A CN201610744467.6A CN201610744467A CN106349538A CN 106349538 A CN106349538 A CN 106349538A CN 201610744467 A CN201610744467 A CN 201610744467A CN 106349538 A CN106349538 A CN 106349538A
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Prior art keywords
film
absorbing material
powder
microwave absorbing
thin film
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王钰淇
刘向阳
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Individual
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
    • 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
    • A01G13/00—Protecting plants
    • A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
    • A01G13/0256—Ground coverings
    • A01G13/0268—Mats or sheets, e.g. nets or fabrics
    • A01G13/0275—Films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/14—Layered products comprising a layer of synthetic resin next to a particulate layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
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    • B32B7/08—Interconnection of layers by mechanical means
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    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
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    • C08J7/06—Coating with compositions not containing macromolecular substances
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    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
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    • C08K7/22—Expanded, porous or hollow particles
    • C08K7/24—Expanded, porous or hollow particles inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/32—Radiation-absorbing paints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/107—Ceramic
    • B32B2264/108—Carbon, e.g. graphite particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/12—Mixture of at least two particles made of different materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/716—Degradable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2410/00—Agriculture-related articles
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    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/16—Biodegradable polymers
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    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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    • C08J2323/06—Polyethene
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    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene
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    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
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Abstract

The invention relates to a mulching film capable of being decomposed quickly. The mulching film is prepared by adding a microwave absorption material in a polyvinyl plastic film, a polypropylene plastic film, a biodegradable film or a film capable of being degraded by photocatalysis by using a conventional raw material mixing method, a double-layer superposing method, a spraying method, a hot-pressing method or a magnetron sputtering method, and the mulching film added with the microwave absorption material can respond irradiation of microwaves; and after being used, the mulching film can be rapidly decomposed through microwave irradiation under heat effect and microwave chemical effects. After being used, the mulching film capable of being decomposed quickly can be quickly carbonized and decomposed by microwave irradiation to reduce adverse effects of the mulching film to the environment. The safety problems after the mulching film is used are solved.

Description

A kind of can be by the mulch film of fast decoupled
Technical field
The present invention relates to a kind of can be by the mulch film of fast decoupled.
Background technology
With social development, the production of people, life style there occurs great change, and the use of disposable commodities is opened Beginning increases considerably.Plastic is light and handy, cleaning, cheap, gives people class daily life and brings great convenience, has promoted human civilization And progress, it has been deep into the various aspects such as agricultural, national economy and social life with field.Only agriculture aspect, according to investigation number According to display, China's farmland mulch culture underglass popularizing area is 1.8 × 1011m2, the rate of popularizing reaches 36% it is contemplated that to 2015 Year farmland mulch usable floor area will exceed 3.3 × 1011m2；The survey showed that for the Ministry of Agriculture, and current China mulch film residual quantity is general For 60-90kg/hm2, can reach 165kg/hm2It is contemplated that China's mulch film residual quantity in 2015 is up to ten thousand tons of 200-300, and And mulch film residual quantity extends with service life and assumes the trend continuing to increase.In terms of daily life, after people use Plastic bottle and plastic bag are abandoned in large quantities, especially cities and towns, outskirts of a town and main line of communication both sides, have defined and have been seen everywhere White garbage field.
These are discarded in the plastic sheeting in natural environment, because the reason such as big, stable performance of molecular mass, Ke Yichang Phase is deposited in soil, can not decompose for a long time under natural conditions.To soil environment, agricultural production, ecological environment, domestic animal and the mankind There is great threat in health, the especially impact to soil and crop growthing development is quite serious.Enter the thin film meeting of soil Hinder the infiltration of soil capillary water and Natural Water, affect soil hygroscopicity, thus soil water movement is produced hindering so as to move Dynamic speed slows down, and moisture penetration amount reduces；It is also possible to reduce soil permeability, impact soil microbial activity and soil fertility water Flat.
In addition, the plastic membrane product that these are abandoned in the environment, also can be detrimental to health, atmosphere pollution ring Border, jeopardizes animal safety, polluted-water, infects disease.
Content of the invention
Present invention aim at, provide a kind of can be by the mulch film of fast decoupled, this mulch film is in sealed polyethylene plastic, poly- Acrylic plastic thin film, biodegradable films or can add microwave absorbing material in photocatalytic degradation thin film, using conventional former Material mixing method, the double-deck addition method, spraying process, pressure sintering or magnetron sputtering method are made, and the mulch film adding microwave absorbing material is to micro- The irradiation of ripple can respond；After mulch film uses, by microwave exposure, make mulch film rapid under heat effect and microwave chemical effect Decompose.Solve mulch film safety problem after a procedure.
Of the present invention a kind of can be by the mulch film of fast decoupled, this mulch film (1) is in sealed polyethylene plastic, polypropylene Plastic sheeting, biodegradable films or microwave absorbing material (2) can be added in photocatalytic degradation thin film, using conventional raw material Mixing method, the double-deck addition method, spraying process, pressure sintering or magnetron sputtering method are made, and wherein with 100kg mulch film (1) as radix, add Microwave absorbing material (2) is coke blacking 0.1-7kg, the short fine 0.1-7kg of activated carbon powder 0.1-7kg, carbon fiber, carborundum powder 0.1- 7kg, carbon nanotube 0.1-7kg, graphite powder 0.1-7kg, ferroso-ferric oxide powder 0.1-7kg, ferrous oxide powder 0.1-7kg, three oxygen Change one of two iron powder 0.1-7kg or ferrum aluminum silicon powder 0.1-7kg to ten kinds.
Described can be follow these steps to carry out by the preparation method of the mulch film of fast decoupled:
Using conventional raw material mixing method, the double-deck addition method, spraying process, pressure sintering or magnetron sputtering method, mulch film (1) is Sealed polyethylene plastic, polyacrylic film, biodegradable films or can be in photocatalytic degradation thin film, with 100kg mulch film (1) it is radix, interpolation microwave absorbing material (2) is coke blacking 0.1-7kg, activated carbon powder 0.1-7kg, carbon fiber short fibre 0.1- 7kg, carborundum powder 0.1-7kg, carbon nanotube 0.1-7kg, graphite powder 0.1-7kg, ferroso-ferric oxide powder 0.1-7kg, oxidation are sub- One of iron powder 0.1-7kg, ferric oxide powder 0.1-7kg or ferrum aluminum silicon powder 0.1-7kg to ten kinds, wherein:
Raw material mixing method:
After mulch film (1) being manufactured base material and the microwave absorbing material elder generation mix homogeneously of thin-film material, then pass through film-forming process Make, wherein microwave absorbing material (2) accounts for the 0.7%-7% of thin film gross weight；
The double-deck addition method:
Sandwich absorbing material (2) in the middle of the two-layer mulch film (1) made to make, wherein microwave absorbing material (2) accounts for The 0.3%-5% of thin film gross weight；
Spraying process:
Make in the upper microwave absorbing material (2) that sprays of the monolayer mulch film (1) made, wherein microwave absorbing material (2) account for thin The 0.1%-6% of film gross weight, the thickness of microwave absorbing material (2) is 0.7-5 micron；
Magnetron sputtering method:
By magnetically controlled sputter method in the mulch film (1) made upper plating last layer microwave absorbing material (2), wherein microwave Absorbing material (2) accounts for the 0.1%-7% of thin film gross weight, and the thickness of microwave absorbing material (2) is 0.7-5 micron；
Pressure sintering:
Made by microwave absorbing material (2) fixation that heating will be distributed over mulch film (1) surface, wherein microwave absorbing material (2) account for the 0.1%-5% of thin film gross weight；
The particle diameter of microwave absorbing material (2) powder body is 0.001-6 micron.
Of the present invention a kind of can be by the mulch film of fast decoupled, this mulch film is in conventional polyethylene ground film, polypropylene Add microwave absorbing material in mulch film, biodegradable mulch film or photocatalytic degradation mulch film, made by raw material mixing method, root According to the thickness of thin film to be produced, select granularity suitable microwave absorbing material powder body, by microwave absorbing material powder body and manufacture The raw material of thin film is sufficiently mixed, and then makes the mulch film comprising microwave absorbing material by film-forming process；Or it is double Stacking addition, to make, using the two-layer mulch film made, is superimposed upon after sandwiching microwave absorbing material in the middle of two-layer mulch film Together, being formed middle is microwave absorbing material interlayer, and both sides are the absorbing material thin film of thin-film material；Or spraying process makes, that is, Microwave absorbing material is sprayed on the single thin film made；Or pressure sintering, by heating, microwave absorbing material is fixed on The surface of the thin-film material made；Or magnetron sputtering method, plate one by magnetically controlled sputter method on the thin film made Layer microwave absorbing material.
Brief description
Fig. 1 for method for mixing raw materials of the present invention make can be by the schematic diagram of fast decoupled mulch film.
Fig. 2 be the present invention bilayer addition method make can by fast decoupled ground schematic diagram.
Fig. 3 is spraying process of the present invention, pressure sintering, magnetron sputtering method are made can be by the schematic diagram of fast decoupled mulch film.
Specific embodiment
Embodiment 1
Raw material mixing method: (sealed polyethylene plastic)
With 100kg mulch film 1 as radix, mulch film 1 is to add the microwave absorption that particle diameter is 6 microns in sealed polyethylene plastic Material 2 is coke blacking, activated carbon powder, the short fibre of carbon fiber, carborundum powder, carbon nanotube, graphite powder, ferroso-ferric oxide powder, oxidation Ferrous powder, ferric oxide powder or ferrum aluminum silicon powder, after mix homogeneously, then are made by conventional film-forming process, wherein microwave is inhaled Wave material 2 accounts for the 0.7%-7% of thin film gross weight；It is shown in Table 1.
Table 1: the kind material composition formula containing in the thin film that every 100kg makes is as follows
Embodiment 2
Raw material mixing method: (polyacrylic film)
With 100kg mulch film 1 as radix, mulch film 1 is to add the microwave absorption that particle diameter is 4 microns in polyacrylic film Material 2 is coke blacking, activated carbon powder, the short fibre of carbon fiber, carborundum powder, carbon nanotube, graphite powder, ferroso-ferric oxide powder, oxidation Ferrous powder, ferric oxide powder or ferrum aluminum silicon powder, after mix homogeneously, then are made by conventional film-forming process, wherein microwave is inhaled Wave material 2 accounts for the 0.7%-7% of thin film gross weight；It is shown in Table 2.
Table 2: the kind material composition formula containing in the thin film that every 100kg makes
Embodiment 3
Raw material mixing method (biodegradable films)
With 100kg mulch film 1 as radix, mulch film 1 is to add the microwave absorption that particle diameter is 5 microns in biodegradable films Material 2 is coke blacking, activated carbon powder, the short fibre of carbon fiber, carborundum powder, carbon nanotube, graphite powder, ferroso-ferric oxide powder, oxidation Ferrous powder, ferric oxide powder or ferrum aluminum silicon powder, after mix homogeneously, then are made by conventional film-forming process, wherein microwave is inhaled Wave material 2 accounts for the 0.7%-7% of thin film gross weight；It is shown in Table 3.
Table 3: the kind material composition formula containing in the thin film that every 100kg makes
Embodiment 4
Raw material mixing method: (can photocatalytic degradation thin film)
With 100kg mulch film 1 as radix, mulch film 1 is can to add, in photocatalytic degradation thin film, the microwave suction that particle diameter is 6 microns Receipts material 2 is coke blacking, activated carbon powder, the short fibre of carbon fiber, carborundum powder, carbon nanotube, graphite powder, ferroso-ferric oxide powder, oxygen Change ferrous powder, ferric oxide powder or ferrum aluminum silicon powder, after mix homogeneously, then made by conventional film-forming process, wherein microwave Absorbing material 2 accounts for the 0.7%-7% of thin film gross weight；It is shown in Table 4.
Table 4: the kind material composition formula containing in the thin film that every 100kg makes
Embodiment 5
The double-deck addition method: (sealed polyethylene plastic)
With 100kg mulch film 1 as radix, sandwiching particle diameter in the middle of two-layer mulch film 1 sealed polyethylene plastic made is 3 Micron absorbing material 2 be coke blacking, activated carbon powder, short fibre of carbon fiber, carborundum powder, carbon nanotube, graphite powder, four aoxidize three Iron powder, ferrous oxide powder, ferric oxide powder or ferrum aluminum silicon powder are made, and wherein microwave absorbing material 2 accounts for thin film gross weight 0.3%-5%, is shown in Table 5.
Table 5: the kind material composition formula containing in the thin film that every 100kg makes
Embodiment 6
The double-deck addition method: (polyacrylic film)
With 100kg mulch film 1 as radix, sandwiching particle diameter in the middle of two-layer mulch film 1 polyacrylic film made is 2 Micron absorbing material 2 be coke blacking, activated carbon powder, short fibre of carbon fiber, carborundum powder, carbon nanotube, graphite powder, four aoxidize three Iron powder, ferrous oxide powder, ferric oxide powder or ferrum aluminum silicon powder are made, and wherein microwave absorbing material 2 accounts for thin film gross weight 0.3%-5%, is shown in Table 6.
Table 6: the kind material composition formula containing in the thin film that every 100kg makes
Embodiment 7
The double-deck addition method: (biodegradable films)
With 100kg mulch film 1 as radix, it is to sandwich particle diameter in the middle of biodegradable films in the two-layer mulch film 1 made Absorbing material 2 for 4 microns is coke blacking, activated carbon powder, the short fibre of carbon fiber, carborundum powder, carbon nanotube, graphite powder, four oxygen Change three iron powders, ferrous oxide powder, ferric oxide powder or ferrum aluminum silicon powder to make, wherein microwave absorbing material 2 accounts for thin film gross weight 0.3%-5%, be shown in Table 7.
Table 7: the kind material composition formula containing in the thin film that every 100kg makes is as follows
Embodiment 8
The double-deck addition method: (can photocatalytic degradation thin film)
With 100kg mulch film 1 as radix, it is can to sandwich grain in the middle of photocatalytic degradation thin film in the two-layer mulch film 1 made Footpath be 3 microns absorbing material 2 be coke blacking, activated carbon powder, the short fibre of carbon fiber, carborundum powder, carbon nanotube, graphite powder, four Fe 3 O powder, ferrous oxide powder, ferric oxide powder or ferrum aluminum silicon powder are made, and wherein microwave absorbing material 2 accounts for thin film gross weight The 0.3%-5% of amount, is shown in Table 8.
Table 8: the kind material composition formula containing in the thin film that every 100kg makes is as follows
Embodiment 9
Spraying process: (sealed polyethylene plastic)
With 100kg mulch film 1 as radix, it is that on sealed polyethylene plastic, spraying particle diameter is 1 micron in the monolayer mulch film 1 made Microwave absorbing material 2 be coke blacking, activated carbon powder, short fibre of carbon fiber, carborundum powder, carbon nanotube, graphite powder, four aoxidize three Iron powder, ferrous oxide powder, ferric oxide powder or ferrum aluminum silicon powder are made, and wherein microwave absorbing material 2 accounts for thin film gross weight 0.1%-6%, the thickness of microwave absorbing material 2 is 0.7-5 micron, is shown in Table 9.
Table 9: the kind material composition formula containing in the thin film that every 100kg makes is as follows
Embodiment 10
Spraying process: (polyacrylic film)
With 100kg mulch film 1 as radix, it is that on polyacrylic film, spraying particle diameter is micro- for 0.8 in the monolayer mulch film 1 made Rice microwave absorbing material 2 be coke blacking, activated carbon powder, short fibre of carbon fiber, carborundum powder, carbon nanotube, graphite powder, four aoxidize Three iron powders, ferrous oxide powder, ferric oxide powder or ferrum aluminum silicon powder are made, and wherein microwave absorbing material 2 accounts for thin film gross weight 0.1%-6%, the thickness of microwave absorbing material 2 is 0.7-5 micron, is shown in Table 10.
Table 10: the kind material composition formula containing in the thin film that every 100kg makes
Embodiment 11
Spraying process: (biodegradable films)
With 100kg mulch film 1 as radix, it is that on biodegradable films, spraying particle diameter is 2 microns in the monolayer mulch film 1 made Microwave absorbing material 2 be coke blacking, activated carbon powder, short fibre of carbon fiber, carborundum powder, carbon nanotube, graphite powder, four aoxidize three Iron powder, ferrous oxide powder, ferric oxide powder or ferrum aluminum silicon powder are made, and wherein microwave absorbing material 2 accounts for thin film gross weight 0.1%-6%, the thickness of microwave absorbing material 2 is 0.7-5 micron, is shown in Table 11.
Table 11: the kind material composition formula containing in the thin film that every 100kg makes
Embodiment 12
Spraying process: (can photocatalytic degradation thin film)
With 100kg mulch film 1 as radix, it is spraying particle diameter to be 1 micro- on photocatalytic degradation thin film in the monolayer mulch film 1 made Rice microwave absorbing material 2 be coke blacking, activated carbon powder, short fibre of carbon fiber, carborundum powder, carbon nanotube, graphite powder, four aoxidize Three iron powders, ferrous oxide powder, ferric oxide powder or ferrum aluminum silicon powder are made, and wherein microwave absorbing material 2 accounts for thin film gross weight 0.1%-6%, the thickness of microwave absorbing material 2 is 0.7-5 micron, is shown in Table 12.
Table 12: the kind material composition formula containing in the thin film that every 100kg makes
Embodiment 13
Magnetron sputtering method: (sealed polyethylene plastic)
With 100kg mulch film 1 as radix, by magnetically controlled sputter method the mulch film 1 made be sealed polyethylene plastic Upper plating last layer particle diameter be 0.1 micron microwave absorbing material 2 be coke blacking, activated carbon powder, the short fibre of carbon fiber, carborundum powder, Carbon nanotube, graphite powder, ferroso-ferric oxide powder, ferrous oxide powder, ferric oxide powder or ferrum aluminum silicon powder are made, and wherein microwave is inhaled Wave material 2 accounts for the 0.1%-7% of thin film gross weight, and the thickness of microwave absorbing material 2 is 0.7-5 micron, is shown in Table 13.
Table 13: the kind material composition formula containing in the thin film that every 100kg makes
Embodiment 14
Magnetron sputtering method: (polyacrylic film)
With 100kg mulch film 1 as radix, by magnetically controlled sputter method the mulch film 1 made be polyacrylic film Upper plating last layer particle diameter be 0.5 micron microwave absorbing material 2 be coke blacking, activated carbon powder, the short fibre of carbon fiber, carborundum powder, Carbon nanotube, graphite powder, ferroso-ferric oxide powder, ferrous oxide powder, ferric oxide powder or ferrum aluminum silicon powder are made, and wherein microwave is inhaled Wave material 2 accounts for the 0.1%-7% of thin film gross weight, and the thickness of microwave absorbing material 2 is 0.7-5 micron, is shown in Table 14.
Table 14: the kind material composition formula containing in the thin film that every 100kg makes
Embodiment 15
Magnetron sputtering method: (biodegradable films)
With 100kg mulch film 1 as radix, by magnetically controlled sputter method the mulch film 1 made be biodegradable films Upper plating last layer particle diameter be 0.02 micron microwave absorbing material 2 be coke blacking, activated carbon powder, the short fibre of carbon fiber, carborundum powder, Carbon nanotube, graphite powder, ferroso-ferric oxide powder, ferrous oxide powder, ferric oxide powder or ferrum aluminum silicon powder are made, and wherein microwave is inhaled Wave material 2 accounts for the 0.1%-7% of thin film gross weight, and the thickness of microwave absorbing material 2 is 0.7-5 micron, is shown in Table 15.
Table 15: the kind material composition formula containing in the thin film that every 100kg makes
Embodiment 16
Magnetron sputtering method: (can photocatalytic degradation thin film)
With 100kg mulch film 1 as radix, by magnetically controlled sputter method the mulch film 1 made be can photocatalytic degradation thin On film plating last layer particle diameter be 0.05 micron of microwave absorbing material 2 be coke blacking, the short fine, carborundum of activated carbon powder, carbon fiber Powder, carbon nanotube, graphite powder, ferroso-ferric oxide powder, ferrous oxide powder, ferric oxide powder or ferrum aluminum silicon powder are made, wherein micro- Ripple absorbing material 2 accounts for the 0.1%-7% of thin film gross weight, and the thickness of microwave absorbing material 2 is 0.7-5 micron, is shown in Table 16.
Table 16: the kind material composition formula containing in the thin film that every 100kg makes
Embodiment 17
Pressure sintering: (sealed polyethylene plastic)
With 100kg mulch film 1 as radix, will be distributed over, by heating, the particle diameter that mulch film 1 is sealed polyethylene plastic surface is 0.001 micron of microwave absorbing material 2 fixation is made, and wherein microwave absorbing material 2 accounts for the 0.1%-5% of thin film gross weight, sees Table 17.
Table 17: the kind material composition formula containing in the thin film that every 100kg makes
Embodiment 18
Pressure sintering: (polyacrylic film)
With 100kg mulch film 1 as radix, will be distributed over, by heating, the particle diameter that mulch film 1 is polyacrylic film surface is 0.005 micron of microwave absorbing material 2 fixation is made, and wherein microwave absorbing material 2 accounts for the 0.1%-5% of thin film gross weight, sees Table 18.
Table 18: the kind material composition formula containing in the thin film that every 100kg makes
Embodiment 19
Pressure sintering: (biodegradable films)
With 100kg mulch film 1 as radix, will be distributed over, by heating, the particle diameter that mulch film 1 is biodegradable films surface is 0.008 micron of microwave absorbing material 2 fixation is made, and wherein microwave absorbing material 2 accounts for the 0.1%-5% of thin film gross weight, sees Table 19.
Table 19: the kind material composition formula containing in the thin film that every 100kg makes
Embodiment 20
Pressure sintering: (can photocatalytic degradation thin film)
With 100kg mulch film 1 as radix, by heating will be distributed over mulch film 1 be can photocatalytic degradation film surface particle diameter Microwave absorbing material 2 fixation for 0.003 micron is made, and wherein microwave absorbing material 2 accounts for the 0.1%-5% of thin film gross weight, It is shown in Table 20.
Table 20: the kind material composition formula containing in the thin film that every 100kg makes
A kind of mulch film of fast decoupled of the present invention, this mulch film addition microwave absorbing material can to the irradiation of microwave Response；Test through fast decoupled shows: (1) this mulch film, being capable of fast decoupled under microwave action；(2) this mulch film point Solution rate can reach more than 99%；(3) mulch film after decomposing does not re-form harm to soil.After mulch film uses, by microwave Irradiation, makes mulch film decompose rapidly under heat effect and microwave chemical effect.Solve mulch film safety problem after a procedure.

Claims (3)

1. a kind of can be by the mulch film of fast decoupled it is characterised in that this mulch film (1) be in sealed polyethylene plastic, polypropylene plastics Thin film, biodegradable films or microwave absorbing material (2) can be added in photocatalytic degradation thin film, using conventional raw material mixing Method, the double-deck addition method, spraying process, pressure sintering or magnetron sputtering method are made, and wherein with 100 kg mulch films (1) as radix, add micro- Ripple absorbing material (2) is coke blacking 0.1-7kg, the short fine 0.1-7 kg of activated carbon powder 0.1-7 kg, carbon fiber, carborundum powder 0.1- 7 kg, carbon nanotube 0.1-7 kg, graphite powder 0.1-7 kg, ferroso-ferric oxide powder 0.1-7 kg, ferrous oxide powder 0.1-7 kg, One of ferric oxide powder 0.1-7 kg or ferrum aluminum silicon powder 0.1-7 kg are to ten kinds.
2. according to claim 1 can by the preparation method of the mulch film of fast decoupled it is characterised in that follow these steps to into OK:
Using conventional raw material mixing method, the double-deck addition method, spraying process, pressure sintering or magnetron sputtering method, mulch film (1) is poly- second Alkene plastics thin film, polyacrylic film, biodegradable films or can be in photocatalytic degradation thin film, with 100 kg mulch films (1) For radix, interpolation microwave absorbing material (2) is coke blacking 0.1-7 kg, activated carbon powder 0.1-7 kg, carbon fiber short fibre 0.1-7 Kg, carborundum powder 0.1-7 kg, carbon nanotube 0.1-7 kg, graphite powder 0.1-7 kg, ferroso-ferric oxide powder 0.1-7 kg, oxidation One of ferrous powder 0.1-7 kg, ferric oxide powder 0.1-7 kg or ferrum aluminum silicon powder 0.1-7 kg to ten kinds, wherein:
Raw material mixing method:
After mulch film (1) being manufactured base material and the microwave absorbing material elder generation mix homogeneously of thin-film material, then made by film-forming process, Wherein microwave absorbing material (2) accounts for the 0.7%-7% of thin film gross weight；
The double-deck addition method:
Sandwich absorbing material (2) in the middle of the two-layer mulch film (1) made to make, wherein microwave absorbing material (2) accounts for thin film The 0.3%-5% of gross weight；
Spraying process:
Make in the upper microwave absorbing material (2) that sprays of the monolayer mulch film (1) made, wherein to account for thin film total for microwave absorbing material (2) The 0.1%-6% of weight, the thickness of microwave absorbing material (2) is 0.7-5 micron；
Magnetron sputtering method:
By magnetically controlled sputter method in the mulch film (1) made upper plating last layer microwave absorbing material (2), wherein microwave inhales ripple Material (2) accounts for the 0.1%-7% of thin film gross weight, and the thickness of microwave absorbing material (2) is 0.7-5 micron；
Pressure sintering:
Made by microwave absorbing material (2) fixation that heating will be distributed over mulch film (1) surface, wherein microwave absorbing material (2) Account for the 0.1%-5% of thin film gross weight；
3. according to claim 2 can be by the preparation method of the mulch film of fast decoupled it is characterised in that microwave absorbing material (2) particle diameter of powder body is 0.001-6 micron.
CN201610744467.6A 2016-08-26 2016-08-26 Mulching film capable of being decomposed quickly Pending CN106349538A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109383087A (en) * 2018-11-23 2019-02-26 华中科技大学 A method of preparing multilayer self-supporting carbon film
CN109880217A (en) * 2019-03-13 2019-06-14 广州思薇伦特美容生物科技有限公司 A kind of green biodegradable plastics film and its processing technology
CN112266593A (en) * 2020-11-09 2021-01-26 河南龙都天仁生物材料有限公司 Degradable biological resin-based wave-absorbing material and preparation method thereof
WO2022243787A1 (en) 2021-05-21 2022-11-24 Stockford Ltd A protective covering for mitigating smoke taint

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CN1058029A (en) * 1990-07-10 1992-01-22 赵鹏程 Self-decomposable plastic film
CN1898017A (en) * 2003-12-22 2007-01-17 剑桥大学技术服务公司 Pyrolysis reactor and method
CN101190980A (en) * 2006-11-23 2008-06-04 朱庆寿 Plastic formulation for ventilating moisture-keeping edible mushroom cultivating bag

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Publication number Priority date Publication date Assignee Title
CN1058029A (en) * 1990-07-10 1992-01-22 赵鹏程 Self-decomposable plastic film
CN1898017A (en) * 2003-12-22 2007-01-17 剑桥大学技术服务公司 Pyrolysis reactor and method
CN101190980A (en) * 2006-11-23 2008-06-04 朱庆寿 Plastic formulation for ventilating moisture-keeping edible mushroom cultivating bag

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109383087A (en) * 2018-11-23 2019-02-26 华中科技大学 A method of preparing multilayer self-supporting carbon film
CN109383087B (en) * 2018-11-23 2019-10-25 华中科技大学 A method of preparing multilayer self-supporting carbon film
CN109880217A (en) * 2019-03-13 2019-06-14 广州思薇伦特美容生物科技有限公司 A kind of green biodegradable plastics film and its processing technology
CN112266593A (en) * 2020-11-09 2021-01-26 河南龙都天仁生物材料有限公司 Degradable biological resin-based wave-absorbing material and preparation method thereof
WO2022243787A1 (en) 2021-05-21 2022-11-24 Stockford Ltd A protective covering for mitigating smoke taint
GB2607017A (en) * 2021-05-21 2022-11-30 Stockford Ltd A protective covering for mitigating smoke taint
GB2608684A (en) * 2021-05-21 2023-01-11 Stockford Ltd A protective covering for mitigating smoke taint
GB2608684B (en) * 2021-05-21 2023-11-01 Stockford Ltd A protective covering for mitigating smoke taint

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