CN104031313A - Plastic mulching film - Google Patents

Plastic mulching film Download PDF

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Publication number
CN104031313A
CN104031313A CN201410296514.6A CN201410296514A CN104031313A CN 104031313 A CN104031313 A CN 104031313A CN 201410296514 A CN201410296514 A CN 201410296514A CN 104031313 A CN104031313 A CN 104031313A
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CN
China
Prior art keywords
parts
minutes
revs
film
mulching film
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410296514.6A
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Chinese (zh)
Inventor
付晓婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HANSEN MACHINERY Manufacturing Co Ltd LIUZHOU CITY
Original Assignee
HANSEN MACHINERY Manufacturing Co Ltd LIUZHOU CITY
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HANSEN MACHINERY Manufacturing Co Ltd LIUZHOU CITY filed Critical HANSEN MACHINERY Manufacturing Co Ltd LIUZHOU CITY
Priority to CN201410296514.6A priority Critical patent/CN104031313A/en
Publication of CN104031313A publication Critical patent/CN104031313A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G13/00Protecting plants
    • A01G13/02Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
    • A01G13/0256Ground coverings
    • A01G13/0268Mats or sheets, e.g. nets or fabrics
    • A01G13/0275Films
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/28Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/08Copolymers of ethene
    • C08L23/0807Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815Copolymers of ethene with aliphatic 1-olefins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L3/00Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08L3/02Starch; Degradation products thereof, e.g. dextrin
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2303/00Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08J2303/02Starch; Degradation products thereof, e.g. dextrin
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised 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
    • C08J2323/04Homopolymers or copolymers of ethene
    • C08J2323/08Copolymers of ethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2237Oxides; Hydroxides of metals of titanium
    • C08K2003/2241Titanium dioxide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/06Biodegradable
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/16Applications used for films
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The invention discloses a plastic mulching film, belonging to the technical field of agricultural materials. The plastic mulching film comprises the following raw materials in parts by weight: 50-60 parts of linear low density polyethylene, 40-50 parts of 120-mesh potato starch, 10-20 parts of polypropylene, 1-5 parts of polyvinyl alcohol, 0.5-1 part of tert-butyl cumine hydroperoxide, 0.5-1 part of nano-level titanium dioxide, 5-8 parts of microcrystalline wax, 0.5-1 part of iron stearate and 8-10 parts of calcium carbonate, and is prepared by the process steps of stirring, heating, extrusion, blow molding, film formation, cutting and the like. The plastic mulching film disclosed by the invention can be completely degraded, cannot cause pollution to the environment, does not have residues left, and is an environment-friendly plastic mulching film.

Description

Plastic film
Technical field
The invention belongs to agricultural materials technical field, relate in particular to a kind of plastic film.
Background technology
China Shi Yige large agricultural country and populous nation, agricultural problem is the grand strategy problem that is related to national economy.Mulch film has the good humidity-holding effect that heats, can increase substantially the output of farm crop, it is one of important substance material of the agriculture production after seed, chemical fertilizer, agricultural chemicals, the application of ground membrane technique has greatly promoted the raising of farm output and benefit, has driven the change of mode of agriculture and developing by leaps and bounds of agricultural productive force.
But there is a very large shortcoming---difficult degradation in traditional plastic film.And due to this shortcoming, make traditional plastic film in large-scale application, can continue development also to agricultural and brought serious harm.Degradable environment-friendly plastic film is by the main direction that is Farm mulch research from now on.
Summary of the invention
The technical problem that the present invention solves is to provide a kind of plastic film, and this plastic film can be degradable, environmental pollution, noresidue, is a kind of environment-friendly type plastic mulch film.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
A plastic film, the method comprises the following steps:
50 parts~60 parts of linear low density polyethylenes, 120 40 parts of order potato starches~50 parts, 10 parts~20 parts of polypropylene, 1 part~5 parts of polyvinyl alcohol, 0.5 part~1 part of tert-butyl peroxy isopropyl benzene, 0.5 part~1 part of Nano titanium dioxide, 5 parts~8 parts of Microcrystalline Waxes, 8 parts~10 parts, 0.5 part~1 part of iron stearate and calcium carbonate;
Its preparation method comprises the following steps:
A, by above-mentioned parts by weight, first by linear low density polyethylene, polypropylene, tert-butyl peroxy isopropyl benzene and Nano titanium dioxide are put into stirrer with the speed stirring of 8000 revs/min~10000 revs/min 1 minute~3 minutes;
B, after stirring described in A step and finishing, in described stirrer, add 120 order potato starches, Microcrystalline Wax, iron stearate, calcium carbonate and polyvinyl alcohol, stir 5 minutes~10 minutes with the speed of 50 revs/min~100 revs/min;
C, treat that mixture that B step process obtains puts into the hopper of inflation film manufacturing machine, set successively 5 heating zones, be 5 minutes the heat-up time of each heating zone, and then to become thickness be the tubular film of 0.006mm~0.2mm in extrusion-blown modling; Wherein, the temperature of described 5 heating zones is 190 ℃ successively, 195 ℃, and 200 ℃, 202 ℃, 205 ℃;
D, the tubular film that C step is made cut, bundling, obtain.
Owing to adopting technique scheme, the beneficial effect that the present invention obtains is:
The plastic film that the present invention makes, degradation speed is fast, and each is functional.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described, and protection scope of the present invention is not only confined to following examples.
Embodiment 1
This plastic film comprises the following steps:
A plastic film, the method comprises the following steps:
A, first by linear low density polyethylene 5.0kg, polypropylene 2.0kg, tert-butyl peroxy isopropyl benzene 0.1kg and Nano titanium dioxide 0.1kg put into stirrer and stir 3 minutes with the speed of 8000 revs/min;
B, after stirring described in A step and finishing, in described stirrer, add 120 order potato starch 5.0kg, Microcrystalline Wax 0.8kg, iron stearate 0.1kg, calcium carbonate 1.0kg and polyvinyl alcohol 0.5kg, stir 10 minutes with the speed of 50 revs/min;
C, treat that mixture that B step process obtains puts into the hopper of inflation film manufacturing machine, set successively 5 heating zones, be 5 minutes the heat-up time of each heating zone, and then to become thickness be the tubular film of 0.006mm in extrusion-blown modling; Wherein, the temperature of described 5 heating zones is 190 ℃ successively, 195 ℃, and 200 ℃, 202 ℃, 205 ℃;
D, the tubular film that C step is made cut, bundling, obtain.
The plastic film intensity that the present embodiment makes is high, and transverse tensile strength is 17MPa, and longitudinal tensile strength is 18 MPa; This plastic film degradation rate of 100 days is 36%.
Embodiment 2
This plastic film comprises the following steps:
A, first by linear low density polyethylene 6.0kg, polypropylene 1.0kg, tert-butyl peroxy isopropyl benzene 0.05kg and Nano titanium dioxide 0.05kg put into stirrer and stir 1 minute with the speed of 10000 revs/min;
B, after stirring described in A step and finishing, in described stirrer, add 120 order potato starch 4.0kg, Microcrystalline Wax 0.5kg, iron stearate 0.05kg, calcium carbonate 0.8kg and polyvinyl alcohol 0.1kg, stir 5 minutes with the speed of 100 revs/min;
C, treat that mixture that B step process obtains puts into the hopper of inflation film manufacturing machine, set successively 5 heating zones, be 5 minutes the heat-up time of each heating zone, and then to become thickness be the tubular film of 0.2mm in extrusion-blown modling; Wherein, the temperature of described 5 heating zones is 190 ℃ successively, 195 ℃, and 200 ℃, 202 ℃, 205 ℃;
D, the tubular film that C step is made cut, bundling, obtain.
The plastic film intensity that the present embodiment makes is high, and transverse tensile strength is 20MPa, and longitudinal tensile strength is 19 MPa; This plastic film degradation rate of 100 days is 38%.
Embodiment 3
This plastic film comprises the following steps:
A, first by linear low density polyethylene 5.5kg, polypropylene 1.5kg, tert-butyl peroxy isopropyl benzene 0.08kg and Nano titanium dioxide 0.08kg put into stirrer and stir 2 minutes with the speed of 9000 revs/min;
B, after stirring described in A step and finishing, in described stirrer, add 120 order potato starch 4.5kg, Microcrystalline Wax 0.6kg, iron stearate 0.07kg, calcium carbonate 0.9kg and polyvinyl alcohol 0.4kg, stir 9 minutes with the speed of 80 revs/min;
C, treat that mixture that B step process obtains puts into the hopper of inflation film manufacturing machine, set successively 5 heating zones, be 5 minutes the heat-up time of each heating zone, and then to become thickness be the tubular film of 0.1mm in extrusion-blown modling; Wherein, the temperature of described 5 heating zones is 190 ℃ successively, 195 ℃, and 200 ℃, 202 ℃, 205 ℃;
D, the tubular film that C step is made cut, bundling, obtain.
The plastic film intensity that the present embodiment makes is high, and transverse tensile strength is 19MPa, and longitudinal tensile strength is 20 MPa; This plastic film degradation rate of 100 days is 35%.

Claims (1)

1. a plastic film, is characterized in that being made by the raw material of following parts by weight:
50 parts~60 parts of linear low density polyethylenes, 120 40 parts of order potato starches~50 parts, 10 parts~20 parts of polypropylene, 1 part~5 parts of polyvinyl alcohol, 0.5 part~1 part of tert-butyl peroxy isopropyl benzene, 0.5 part~1 part of Nano titanium dioxide, 5 parts~8 parts of Microcrystalline Waxes, 8 parts~10 parts, 0.5 part~1 part of iron stearate and calcium carbonate;
Its preparation method comprises the following steps:
A, by above-mentioned parts by weight, first by linear low density polyethylene, polypropylene, tert-butyl peroxy isopropyl benzene and Nano titanium dioxide are put into stirrer with the speed stirring of 8000 revs/min~10000 revs/min 1 minute~3 minutes;
B, after stirring described in A step and finishing, in described stirrer, add 120 order potato starches, Microcrystalline Wax, iron stearate, calcium carbonate and polyvinyl alcohol, stir 5 minutes~10 minutes with the speed of 50 revs/min~100 revs/min;
C, treat that mixture that B step process obtains puts into the hopper of inflation film manufacturing machine, set 5 heating zones, be 5 minutes the heat-up time of each heating zone, and then to become thickness be the tubular film of 0.006mm~0.2mm in extrusion-blown modling; Wherein, the temperature of described 5 heating zones is 190 ℃ successively, 195 ℃, and 200 ℃, 202 ℃, 205 ℃;
D, the tubular film that C step is made cut, bundling, obtain.
CN201410296514.6A 2014-06-27 2014-06-27 Plastic mulching film Pending CN104031313A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410296514.6A CN104031313A (en) 2014-06-27 2014-06-27 Plastic mulching film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410296514.6A CN104031313A (en) 2014-06-27 2014-06-27 Plastic mulching film

Publications (1)

Publication Number Publication Date
CN104031313A true CN104031313A (en) 2014-09-10

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Country Status (1)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105017617A (en) * 2015-07-23 2015-11-04 安徽德琳环保发展(集团)有限公司 Nanometer-titanium-dioxide-supported crosslinked-starch-modified low-density-polyethylene degradation mulch film and preparation method thereof
CN105075751A (en) * 2015-07-27 2015-11-25 陆海荣 Double-degradable environmental protecting mulching film and manufacturing method thereof
CN105694173A (en) * 2015-09-18 2016-06-22 安徽柒柒塑业有限公司 Production process for photodegradable plastic film
CN106366358A (en) * 2016-08-31 2017-02-01 迁安市隆赓塑料制品有限公司 Multifunctional polyethylene photo-biodegradable mulching film
CN106366408A (en) * 2016-08-30 2017-02-01 滁州市朝昱农业科技有限公司 Degradable insect prevention and removal agricultural thin film
CN106750738A (en) * 2016-11-23 2017-05-31 桐城市钰锦塑料包装有限公司 A kind of plastic packaging bag and preparation method thereof
CN106973757A (en) * 2017-02-27 2017-07-25 河海大学 A kind of Hills drought resisting collection rain and water-fertilizer integral drip irrigation system
CN107177103A (en) * 2017-07-18 2017-09-19 合肥万之景门窗有限公司 A kind of heat-proof combustion-resistant plastic sheeting and preparation method thereof
CN107189180A (en) * 2017-06-12 2017-09-22 太仓雅奥塑业有限公司 A kind of degradation plastic packaging for foodstuff
CN107815008A (en) * 2017-11-24 2018-03-20 马鞍山松鹤信息科技有限公司 A kind of agricultural planting degradable mulch and preparation method thereof
CN109320833A (en) * 2018-11-02 2019-02-12 廖荣金 A kind of degradable mulch and preparation method
CN109354747A (en) * 2018-11-02 2019-02-19 廖荣金 A kind of degradable films and preparation method
CN109485986A (en) * 2018-11-16 2019-03-19 山东隆昌塑业有限公司 A kind of dust-proof mulch that can be cleared up automatically
CN109511447A (en) * 2018-11-16 2019-03-26 山东隆昌塑业有限公司 A kind of porous telescopic type has the water-permeable membrane of sealing function

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1267680A (en) * 2000-01-12 2000-09-27 李小鲁 Biologically degradable resin composition and its preparation and application
WO2009095344A1 (en) * 2008-01-31 2009-08-06 Basf Se Degradable material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1267680A (en) * 2000-01-12 2000-09-27 李小鲁 Biologically degradable resin composition and its preparation and application
WO2009095344A1 (en) * 2008-01-31 2009-08-06 Basf Se Degradable material

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105017617A (en) * 2015-07-23 2015-11-04 安徽德琳环保发展(集团)有限公司 Nanometer-titanium-dioxide-supported crosslinked-starch-modified low-density-polyethylene degradation mulch film and preparation method thereof
CN105075751A (en) * 2015-07-27 2015-11-25 陆海荣 Double-degradable environmental protecting mulching film and manufacturing method thereof
CN105694173A (en) * 2015-09-18 2016-06-22 安徽柒柒塑业有限公司 Production process for photodegradable plastic film
CN106366408A (en) * 2016-08-30 2017-02-01 滁州市朝昱农业科技有限公司 Degradable insect prevention and removal agricultural thin film
CN106366358A (en) * 2016-08-31 2017-02-01 迁安市隆赓塑料制品有限公司 Multifunctional polyethylene photo-biodegradable mulching film
CN106750738A (en) * 2016-11-23 2017-05-31 桐城市钰锦塑料包装有限公司 A kind of plastic packaging bag and preparation method thereof
CN106973757A (en) * 2017-02-27 2017-07-25 河海大学 A kind of Hills drought resisting collection rain and water-fertilizer integral drip irrigation system
CN107189180A (en) * 2017-06-12 2017-09-22 太仓雅奥塑业有限公司 A kind of degradation plastic packaging for foodstuff
CN107177103A (en) * 2017-07-18 2017-09-19 合肥万之景门窗有限公司 A kind of heat-proof combustion-resistant plastic sheeting and preparation method thereof
CN107815008A (en) * 2017-11-24 2018-03-20 马鞍山松鹤信息科技有限公司 A kind of agricultural planting degradable mulch and preparation method thereof
CN109320833A (en) * 2018-11-02 2019-02-12 廖荣金 A kind of degradable mulch and preparation method
CN109354747A (en) * 2018-11-02 2019-02-19 廖荣金 A kind of degradable films and preparation method
CN109485986A (en) * 2018-11-16 2019-03-19 山东隆昌塑业有限公司 A kind of dust-proof mulch that can be cleared up automatically
CN109511447A (en) * 2018-11-16 2019-03-26 山东隆昌塑业有限公司 A kind of porous telescopic type has the water-permeable membrane of sealing function

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Application publication date: 20140910