CN106893411A - A kind of agricultural film and preparation method thereof - Google Patents

A kind of agricultural film and preparation method thereof Download PDF

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Publication number
CN106893411A
CN106893411A CN201510961372.5A CN201510961372A CN106893411A CN 106893411 A CN106893411 A CN 106893411A CN 201510961372 A CN201510961372 A CN 201510961372A CN 106893411 A CN106893411 A CN 106893411A
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China
Prior art keywords
film
polyethylene
agricultural
emulsion
functional materials
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Pending
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CN201510961372.5A
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Chinese (zh)
Inventor
周武成
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BADONG FENGTAI AGRICULTURAL SPECIALIZED COOPERATIVES
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BADONG FENGTAI AGRICULTURAL SPECIALIZED COOPERATIVES
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Priority to CN201510961372.5A priority Critical patent/CN106893411A/en
Publication of CN106893411A publication Critical patent/CN106893411A/en
Pending legal-status Critical Current

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    • 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
    • C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
    • C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • C09D123/04—Homopolymers or copolymers of ethene
    • C09D123/06—Polyethene
    • 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
    • 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
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/0427—Coating with only one layer of a composition containing a polymer binder
    • 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
    • C08K13/02—Organic and inorganic ingredients
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/21—Urea; Derivatives thereof, e.g. biuret
    • 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
    • C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
    • C09D123/26—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers modified by chemical after-treatment
    • C09D123/30—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers modified by chemical after-treatment by oxidation
    • 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
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • 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
    • C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • 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
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—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
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/26—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers modified by chemical after-treatment
    • C08J2423/30—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers modified by chemical after-treatment by oxidation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3045—Sulfates
    • C08K2003/3063—Magnesium sulfate

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Environmental Sciences (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Plant Pathology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Fertilizers (AREA)

Abstract

The invention provides a kind of agricultural film and preparation method thereof, functional materials (fertilizer, agricultural chemicals, pigment) are incorporated into the emulsion of TPO, after stirring, this mixed emulsion (film forming matter) is sprayed or is applied on polyethylene ground film, composite membrane is turned into after normal temperature or hot blast drying.This film function is more, and purposes is wide, and function can be adjusted artificially, and rate of release is controllable, and cold spraying technique is simple and easy to do, and equipment investment is few, be easy to promote the use of.Low cost, instant effect, remarkable in economical benefits applies to China rural area and most vital plastic film for agricultural use.

Description

A kind of agricultural film and preparation method thereof
Technical field
The present invention is on a kind of agricultural film and preparation method thereof.This composite membrane has fertilizer, agricultural chemicals, pigment various A series of function, it is adaptable to polyolefin plastic products such as mulch film, flowerpot (including plastic flowerpot), transplanting basin.Complex method is used Spray or application process under normal temperature, its process is simple are easy to operate, and equipment investment applies to the good of the vast rural area of China less Mulch film.
Background technology
Current mulch film employed both at home and abroad, one kind is monofilm, using high temperature blow moulding.The method is functional materials (200 DEG C) blowings of high temperature are carried out after first mixing with polyethylene, because some functional materials are not amenable to high temperature, therefore is limited The function of mulch film, complex process, labour intensity is big, pollutes also big；Another kind is duplicature, and its method is that functional materials are put Enter between two membranes, then through hot-rolling pressure, make composite bed, although the function than monofilm is increased, but duplicature is only After having the tunic rupture of close proximity to ground, wherein functional materials competence exertion effect so greatly reduces feature thing The efficiency of matter.Technology difficulty is big, wastes big, high cost.
Foreign countries' report uses acrylate semar technique, is only used for manufacturing anti-drop film, does not have other functions.
The content of the invention
The purpose of the present invention is directed to disadvantages mentioned above, from by the similar emulsion of cladding, it is compound using low temperature or middle temperature Technique, obtains a kind of multiple functional mulch film.Because the emulsion for using, therefore all of agricultural chemicals, fertilizer, pigment can be mixed in breast Covered with paint, lacquer, colour wash, etc. in liquid, its last function can be adjusted artificially, and the rate of release of functional materials can be controlled, and which enhance mulch film Utilization rate, reduces waste, reduces cost, and composite algorithm is normal temperature or middle temperature spraying technique, and process is simple, equipment investment is few, It is easy to a large amount of productions, rapid to promote, remarkable in economical benefits.
A kind of multifunctional agricultural composite membrane provided by the present invention and its composite algorithm, are that fertilizer 1 is (including big or middle, micro Element), agricultural chemicals 2 (Insecticides (tech) ＆ Herbicides (tech)), degradation agent 3, pigment 4, by recipe requirements mix containing polyethylene or oxidic polyethylene, Or other various polyolefin 1-40%, in the emulsion of water more than 60%, this mixed emulsion is sprayed or is applied to after stirring On polyethylene ground film.At room temperature, after after the moisture evaporation in emulsion, wherein high polymer film forming when, because the height in emulsion gathers Thing belongs to same type material with by cladding (polyethylene ground film) 5.This layer film just can well be compounded in one with polyethylene ground film Rise be integrally formed, at this moment the various functions material in emulsion is also just bonded on composite membrane 6, as long as control emulsion formula and Membrance casting condition, can just obtain the different composite bed of compactness extent, and turn into that functional materials are adjustable, that rate of release is controllable is agricultural Multifunctional composite film.Its product structure schematic diagram such as accompanying drawing.
The advantage of the invention is that：
1. it is multiple functional.Because using emulsion, almost all of agricultural chemicals, Insecticides (tech) ＆ Herbicides (tech), bactericide, expelling mouse agent, color are killed Element, fertilizer (including N.P.K., Mg, Ca, S, Fe, Mn, B, Cu, Zn, Mo and rare earth element etc.), degradation agent etc. can be all mixed in emulsion In sprayed, its last function can be adjusted artificially.
2. the scope of functional materials is expanded, past some easily decomposes material, aquas etc. are currently available Fully application.
3. the rate of release of functional materials can be controlled, and change the shortcoming of duplicature, as long as having wind, rainwater, sunlight Deng right condition, its functional materials is releasably to play a role.
4. there is fertilizer efficiency.This is that the mulch film for being used at present is difficult to accomplish comprehensively.
5. agriculture operation is simplified, several work is integrated, greatly save labour, improve efficiency.
6. because functional materials are bonded on composite membrane, and close proximity to ground, so greatly reduce wind and weather etc. because Loss caused by element, because polyethylene ground film is covered with above, produced artificial microclimate makes functional materials (for example kill Worm agent) power raising, so as to reduce waste, reduces cost.
It is 7. produced during polyethylene therein or oxidic polyethylene emulsion system synthesizing polyethylene to pay product, it is also possible to Waste polyethylene thin film fabrication is used, is allowed to be fully used.
8. not only it is widely used in mulch film, it can also be used to other agricultural plastic products, example：Plastic flowerpot, plastics transplanting basin, one Can turn into multifunctional agricultural product through coating process operation.
9. during greatly reducing poisonous functional materials in packed and transported, with liquid release, to the dirt of environment and personnel Damaging effect.
10. manufacturing process is simple, and equipment investment is few, is easy to rapid popularization, produces energetically, remarkable in economical benefits.
Specific embodiment
1. polyethylene emulsion 100g, plus urea 1g, potassium dihydrogen phosphate 1g, magnesium sulfate 0.05g, ferrous sulfate 0.025g, sulphur Sour zinc 0.01g, boric acid 0.05g, copper sulphate 0.01g, ammonium molybdate 0.005g uniformly mix.By above-mentioned mixed liquor trowelling in 1 square meter Polyethylene ground film on, dry at room temperature or hot blast drying film forming become the mulch film with fertilizer function.
2. polyethylene emulsion 100g, plus prometryn 0.8g, micro- fertile 0.1g stir, are then applied to above-mentioned mixed liquor On 1 square metre of polyethylene ground film, at room temperature or hot blast drying film forming, just turn into the mulch film with herbicide and micro- fertile function.
3. oxidic polyethylene emulsion 100g, plus grass ten thousand opposes 2g, plus carbon black 0.5g, plus fertilizer 0.1g uniformly mixes.Then smear On 1 square metre of polyethylene ground film, at room temperature or hot blast drying film forming, just turn into the black ground with herbicide and micro- fertilizer effect Film.
4. polyacrylate dispersion 100g is added into micro- fertile 0.1g, phthalocyanine record 0.1g, 40% oxidation highland barley missible oil 0.1g, uniformly Mixing, is then applied on 1 square metre of polyethylene ground film, and film forming is dried up under room temperature or hot blast, just has desinsection, micro- fertile function Record film.
5. (wide-spectrum bactericide is extremely easy in decomposition or 1% at high temperature for oxidic polyethylene emulsion 100g, Jia Jing hilllocks key elements 0.05g Aqueous solution 5ml), micro- fertile 0.1g, 40% oxidation highland barley 0.1g, prometryn 0.8g, 0.1g is well mixed for phthalocyanine record, is applied to 1 square On the polyethylene ground film of rice, room temperature or hot blast drying film forming, just turning into has sterilization, desinsection, herbicide, the record film of micro- fertile function.
It is understood that for the person of ordinary skill of the art, can be done with technology according to the present invention design Go out other various corresponding changes and deformation, and all these changes and deformation should all belong to the protection model of the claims in the present invention Enclose.

Claims (3)

1. a kind of agricultural film, it is characterized in that：By cladding be polyethylene film, composite bed be the polyethylene containing functional materials, The sprayed coating of oxidic polyethylene, polyolefin emulsion, the functional materials are：Agricultural chemicals, fertilizer, pigment, degradation agent, polyethylene or Oxidic polyethylene or polyene hydrocarbon content are 1-40%, and the content of water is more than 60%.
2. agricultural film as claimed in claim 1, it is characterized in that, can be that mulch film can also be other shapes of composite membrane, The shape includes flowerpot and various transplanting basin shapes.
3. the preparation method of the agricultural film described in claim 1, it is characterized in that functional material mix with to polyethylene, oxygen Change in polyethylene, polyolefin emulsion, spray at normal temperatures or be applied on polyethylene film or plastic flowerpot, plastics transplanting basin.
CN201510961372.5A 2015-12-18 2015-12-18 A kind of agricultural film and preparation method thereof Pending CN106893411A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108059759A (en) * 2018-02-01 2018-05-22 张�浩 A kind of nanometer of flexible film and preparation method thereof of spraying
CN108094006A (en) * 2017-12-26 2018-06-01 东莞市正新包装制品有限公司 PE mulches

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108094006A (en) * 2017-12-26 2018-06-01 东莞市正新包装制品有限公司 PE mulches
CN108059759A (en) * 2018-02-01 2018-05-22 张�浩 A kind of nanometer of flexible film and preparation method thereof of spraying

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