CN107189377A - Biodegradable mulch film and preparation method thereof - Google Patents
Biodegradable mulch film and preparation method thereof Download PDFInfo
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- CN107189377A CN107189377A CN201710448597.XA CN201710448597A CN107189377A CN 107189377 A CN107189377 A CN 107189377A CN 201710448597 A CN201710448597 A CN 201710448597A CN 107189377 A CN107189377 A CN 107189377A
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
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- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- 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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
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- 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
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/08—Polyesters modified with higher fatty oils or their acids, or with resins or resin acids
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/018—Additives for biodegradable polymeric composition
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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
- 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
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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- Biological Depolymerization Polymers (AREA)
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Abstract
The invention discloses a kind of biodegradable mulch film and preparation method thereof, the mulch film includes alkyd resin, 50~80 parts of PLA, 10~20 parts of makrolon, 8~15 parts of starch, 2~4 parts of carbon fiber, 5~10 parts of string, 8~15 parts of cellulose, 30~50 parts of filler, 1~2 part of antioxidant, 3~6 parts of lubricant, 1~3 part of the coupling agent of 20~40 parts of the raw material of following parts by weight.The present invention using by alkyd resin, PLA, makrolon, starch, carbon fiber, string, cellulose, filler, antioxidant, lubricant and coupling agent as raw material, pass through the synergy between each raw material, improve the tensile strength and degradation speed of mulch film, pollution of the mulch film to soil can effectively be alleviated, beneficial to the growth of crops, positive effect has been extended to agricultural.
Description
Technical field
The present invention relates to mulch film field, more particularly to a kind of biodegradable mulch film and preparation method thereof.
Background technology
China is a large agricultural country and populous nation, and agricultural problem is the grand strategy problem for being related to national economy.
Mulch film heats moistening effect with good, can increase substantially the yield of crops, be after seed, chemical fertilizer, agricultural chemicals
One of important substance material of agricultural production, the application of ground membrane technology is greatly promoted the raising of farm output and benefit, band
The change of mode of agriculture and developing by leaps and bounds for agricultural productive force are moved.
But, traditional plastic film haves the shortcomings that difficult degradation, poor tensile strength so that traditional plastic film is big
While sizable application, it also can continue to develop bringing serious harm to agricultural.
The content of the invention
In view of this, it is an object of the invention to provide a kind of biodegradable mulch film and preparation method thereof, degradation speed is fast,
Tensile strength is high.
To achieve these goals, the present invention provides following technical scheme：
A kind of biodegradable mulch film, includes the raw material of following parts by weight：
Preferably, the starch is cornstarch, potato starch or starch from sweet potato.
Preferably, the string is bamboo-carbon fibre or bamboo pulp fiber.
Preferably, the cellulose is methylcellulose, hydroxypropyl methyl cellulose or hydroxyethyl cellulose.
Preferably, the filler is kaolin, barium sulfate, sepiolite or calcium carbonate.
Preferably, the antioxidant is butylated hydroxy anisole, TBHQ or distannous citrate.
Preferably, the lubricant is peanut oil, rapeseed oil or soybean oil.
Preferably, the coupling agent is triethanolamine borate, four n-propyl zirconates, distearyl acyl-oxygen aluminum isopropoxide
Acid esters or aminopropyl triethoxysilane.
Present invention also offers a kind of above-mentioned preparation method of biodegradable mulch film, comprise the following steps：
A) by alkyd resin, PLA, makrolon, starch, carbon fiber, string, cellulose, filler, anti-oxidant
Agent, lubricant and coupling agent are added into retort, and 40~60min is stirred at 50~60 DEG C, compound is obtained；
B) compound made from step a) is put into inflation film manufacturing machine and carries out blown film, obtain film；
C) the obtained films of step b) are cut, bundling, obtain biodegradable mulch film.
A kind of biodegradable mulch film that the present invention is provided and preparation method thereof, the mulch film includes following parts by weight
The alkyd resin that 20~40 part of raw material, 50~80 parts of PLA, 10~20 parts of makrolon, 8~15 parts of starch, 2~4
Part carbon fiber, 5~10 parts of string, 8~15 parts of cellulose, 30~50 parts of filler, 1~2 part of antioxidant,
3~6 parts of lubricant, 1~3 part of coupling agent.The present invention with by alkyd resin, PLA, makrolon, starch, carbon fiber,
String, cellulose, filler, antioxidant, lubricant and coupling agent are raw material, by the synergy between each raw material, are carried
The tensile strength and degradation speed of high mulch film, can effectively alleviate pollution of the mulch film to soil, right beneficial to the growth of crops
Agricultural has extended positive effect.
Embodiment
In order to further appreciate that the present invention, the preferred embodiments of the invention are described with reference to embodiment, but
It is it should be appreciated that these descriptions are simply to further illustrate the features and advantages of the present invention rather than to patent requirements of the present invention
Limitation.
The invention provides a kind of biodegradable mulch film, include the raw material of following parts by weight：
The present invention with by alkyd resin, PLA, makrolon, starch, carbon fiber, string, cellulose, filler,
Antioxidant, lubricant and coupling agent are raw material, by the synergy between each raw material, improve the tensile strength and drop of mulch film
Speed is solved, can effectively alleviate pollution of the mulch film to soil, beneficial to the growth of crops, positive effect has been extended to agricultural.
Alkyd resin, PLA, makrolon are degradable resin, can in the presence of the coupling agent under form space networks
Shape structure, improves biodegradable ground film strength.
In the present invention, the parts by weight of alkyd resin are 20~40 parts；In an embodiment of the present invention, alkyd resin
Parts by weight are 24~36 parts；In other embodiments, the parts by weight of alkyd resin are 27~32 parts.
In the present invention, the parts by weight of PLA are 50~80 parts；In an embodiment of the present invention, the weight of PLA
Number is 55~75 parts；In other embodiments, the parts by weight of PLA are 60~70 parts.
In the present invention, the parts by weight of makrolon are 10~20 parts；In an embodiment of the present invention, makrolon
Parts by weight are 12~18 parts；In other embodiments, the parts by weight of makrolon are 13~16 parts.
Starch can improve the degradation speed of biodegradable mulch film, additionally it is possible to improve the heat-insulating property of mulch film.In this hair
In bright embodiment, starch is cornstarch, potato starch or starch from sweet potato.
In the present invention, the parts by weight of starch are 8~15 parts；In an embodiment of the present invention, the parts by weight of starch
For 10~13 parts；In other embodiments, the parts by weight of starch are 11~12 parts.
Carbon fiber can improve the tensile strength of biodegradable mulch film.In the present invention, the parts by weight of carbon fiber are 2
~4 parts；In an embodiment of the present invention, the parts by weight of carbon fiber are 2.4~3.6 parts；In other embodiments, carbon fiber
Parts by weight are 2.7~3.2 parts.
String can accelerate the degradation speed of mulch film.In an embodiment of the present invention, string is bamboo-carbon fibre
Or bamboo pulp fiber.
In the present invention, the parts by weight of string are 5~10 parts；In an embodiment of the present invention, string
Parts by weight are 6~9 parts；In other embodiments, the parts by weight of string are 7~8 parts.
Cellulose can improve the light transmission of mulch film.In an embodiment of the present invention, cellulose is methylcellulose, hydroxyl
Propyl methocel or hydroxyethyl cellulose.
In the present invention, the parts by weight of cellulose are 8~15 parts；In an embodiment of the present invention, the weight of cellulose
Number is 10~13 parts；In other embodiments, the parts by weight of cellulose are 11~12 parts.
Filler can improve the wear hardness of mulch film.In an embodiment of the present invention, filler is kaolin, barium sulfate, sea
Afrodite or calcium carbonate.
In the present invention, the parts by weight of filler are 30~50 parts；In an embodiment of the present invention, the parts by weight of filler
For 32~46 parts；In other embodiments, the parts by weight of filler are 35~42 parts.
In an embodiment of the present invention, antioxidant is that butylated hydroxy anisole, TBHQ or citric acid are sub-
Tin disodium.
In the present invention, the parts by weight of antioxidant are 1~2 part；In an embodiment of the present invention, the weight of antioxidant
It is 1.2~1.8 parts to measure number；In other embodiments, the parts by weight of antioxidant are 1.4~1.7 parts of Ei.
In an embodiment of the present invention, lubricant is peanut oil, rapeseed oil or soybean oil.
In the present invention, the parts by weight of lubricant are 3~6 parts；In an embodiment of the present invention, the parts by weight of lubricant
Number is 3.5~5.5 parts；In other embodiments, the parts by weight of lubricant are 4~5 parts.
In an embodiment of the present invention, coupling agent is that triethanolamine borate, four n-propyl zirconates, distearyl acyl-oxygen are different
Propoxyl group Aluminate or aminopropyl triethoxysilane.
In the present invention, the parts by weight of coupling agent are 1~3 part；In an embodiment of the present invention, the parts by weight of coupling agent
Number is 1.3~2.6 parts；In other embodiments, the parts by weight of coupling agent are 1.6~2.2 parts.
Present invention also offers a kind of above-mentioned preparation method of biodegradable mulch film, comprise the following steps：
A) by alkyd resin, PLA, makrolon, starch, carbon fiber, string, cellulose, filler, anti-oxidant
Agent, lubricant and coupling agent are added into retort, and 40~60min is stirred at 50~60 DEG C, compound is obtained；
B) compound made from step a) is put into inflation film manufacturing machine and carries out blown film, obtain film；
C) the obtained films of step b) are cut, bundling, obtain biodegradable mulch film.
In this alkyd resin, PLA, makrolon, starch, carbon fiber, string, cellulose, filler, anti-oxidant
Agent, lubricant and coupling agent are same as above, will not be repeated here.
Preparation technology of the invention is simple, cost is low, is capable of effective utilization of time raw material resources, and prepare biology
Degradable mulch tensile strength is high, and degradation speed is fast, can effectively alleviate pollution of the mulch film to soil, beneficial to the life of crops
It is long, positive effect has been extended to agricultural.
In order to further illustrate the present invention, the biodegradable mulch film and its system provided with reference to embodiment the present invention
Preparation Method is described in detail, but they can not be interpreted as into limiting the scope of the present invention.
Raw material used is commercially available in following examples.
Embodiment 1
Biodegradable mulch film includes the raw material of following parts by weight：
24 parts of alkyd resins, 60 parts of PLAs, 13 parts of makrolon, 11 parts of cornstarch, 2 parts of carbon fibers, 7 parts of bamboo pulp fibres
Dimension, 11 parts of methylcellulose, 35 parts of kaolin, 1.4 parts of TBHQs, 3 portions of soybean oils and 3 parts of triethanolamine boric acid
Ester；
The preparation method of biodegradable mulch film, comprises the following steps：
A) by alkyd resin, PLA, makrolon, cornstarch, carbon fiber, bamboo pulp fiber, methylcellulose, kaolinite
Soil, TBHQ, soybean oil and triethanolamine borate are added into retort, are stirred 50min at 55 DEG C, are obtained
Compound；
B) compound made from step a) is put into inflation film manufacturing machine and carries out blown film, obtain film；
C) the obtained films of step b) are cut, bundling, obtain biodegradable mulch film.
Embodiment 2
Biodegradable mulch film includes the raw material of following parts by weight：
36 parts of alkyd resins, 55 parts of PLAs, 12 parts of makrolon, 13 parts of starch from sweet potato, 2.4 parts of carbon fibers, 8 parts of bamboo charcoals
Fiber, 12 parts of hydroxyethyl celluloses, 32 parts of calcium carbonate, 1.2 parts of distannous citrates, 3.5 portions of peanut oil and 2.6 parts of aminopropyls
Triethoxysilane；
The preparation method of biodegradable mulch film, comprises the following steps：
A) by alkyd resin, PLA, makrolon, starch from sweet potato, carbon fiber, bamboo-carbon fibre, hydroxyethyl cellulose, carbon
Sour calcium, distannous citrate, peanut oil and aminopropyl triethoxysilane are added into retort, are stirred at 50 DEG C
60min, obtains compound；
B) compound made from step a) is put into inflation film manufacturing machine and carries out blown film, obtain film；
C) the obtained films of step b) are cut, bundling, obtain biodegradable mulch film.
Embodiment 3
Biodegradable mulch film includes the raw material of following parts by weight：
32 parts of alkyd resins, 70 parts of PLAs, 18 parts of makrolon, 8 parts of cornstarch, 3.6 parts of carbon fibers, 6 parts of bamboo charcoals
Fiber, 10 parts of methylcellulose, 42 parts of kaolin, 1.8 parts of butylated hydroxy anisoles, 4 portions of soybean oils and 2.2 parts of triethanolamine boron
Acid esters；
The preparation method of biodegradable mulch film, comprises the following steps：
A) by alkyd resin, PLA, makrolon, cornstarch, carbon fiber, bamboo-carbon fibre, cellulose, kaolin,
Butylated hydroxy anisole, soybean oil and triethanolamine borate are added into retort, are stirred 55min at 60 DEG C, are mixed
Close material；
B) compound made from step a) is put into inflation film manufacturing machine and carries out blown film, obtain film；
C) the obtained films of step b) are cut, bundling, obtain biodegradable mulch film.
Embodiment 4
Biodegradable mulch film includes the raw material of following parts by weight：
27 parts of alkyd resins, 75 parts of PLAs, 16 parts of makrolon, 15 parts of starch from sweet potato, 3.2 parts of carbon fibers, 9 parts of bamboo pulps
Fiber, 13 parts of hydroxypropyl methyl celluloses, 30 parts of barium sulfate, 2 parts of TBHQs, 5 portions of peanut oil and 1.6 parts of distearyls
Acyl-oxygen isopropoxy Aluminate；
The preparation method of biodegradable mulch film, comprises the following steps：
A) by alkyd resin, PLA, makrolon, starch from sweet potato, carbon fiber, bamboo pulp fiber, hydroxypropyl methyl fiber
Element, barium sulfate, TBHQ, peanut oil and distearyl acyl-oxygen aluminum isopropoxide acid esters are added into retort, 55
40min is stirred at DEG C, compound is obtained；
B) compound made from step a) is put into inflation film manufacturing machine and carries out blown film, obtain film；
C) the obtained films of step b) are cut, bundling, obtain biodegradable mulch film.
Embodiment 5
Biodegradable mulch film includes the raw material of following parts by weight：
20 parts of alkyd resins, 80 parts of PLAs, 10 parts of makrolon, 10 parts of potato starches, 2.7 parts of carbon fibers, 5 parts of bamboo charcoals
Fiber, 8 parts of methylcellulose, 50 parts of sepiolites, 1 part of butylated hydroxy anisole, 5.5 portions of rapeseed oils and 1.3 parts of second of aminopropyl three
TMOS；
The preparation method of biodegradable mulch film, comprises the following steps：
A) by alkyd resin, PLA, makrolon, potato starch, carbon fiber, bamboo-carbon fibre, methylcellulose, Hai Pao
Stone, butylated hydroxy anisole, rapeseed oil and aminopropyl triethoxysilane are added into retort, and 45min is stirred at 60 DEG C,
Obtain compound；
B) compound made from step a) is put into inflation film manufacturing machine and carries out blown film, obtain film；
C) the obtained films of step b) are cut, bundling, obtain biodegradable mulch film.
Embodiment 6
Biodegradable mulch film includes the raw material of following parts by weight：
40 parts of alkyd resins, 50 parts of PLAs, 20 parts of makrolon, 12 parts of cornstarch, 4 parts of carbon fibers, 10 parts of bamboo pulps
Fiber, 15 parts of hydroxypropyl methyl celluloses, 46 parts of barium sulfate, 1.7 parts of distannous citrates, 6 portions of rapeseed oils and 1 part four positive third
Base zirconate；
The preparation method of biodegradable mulch film, comprises the following steps：
A) by alkyd resin, PLA, makrolon, cornstarch, carbon fiber, bamboo pulp fiber, hydroxypropyl methyl fiber
Element, barium sulfate, distannous citrate, rapeseed oil and four n-propyl zirconates are added into retort, are stirred at 55 DEG C
40min, obtains compound；
B) compound made from step a) is put into inflation film manufacturing machine and carries out blown film, obtain film；
C) the obtained films of step b) are cut, bundling, obtain biodegradable mulch film.
Embodiment 7
Biodegradable mulch film includes the raw material of following parts by weight：
30 portions of alkyd resins, 65 portions of PLAs, 14 portions of makrolon, 11.5 portions of potato starches, 3 portions of carbon fibers, 7.5 portions of bamboos
Carbon fibe, 11.5 parts of hydroxyethyl celluloses, 38 parts of sepiolites, 1.5 parts of butylated hydroxy anisoles, 4.5 portions of peanut oil and 1.8 part two
Stearoyl keto isopropoxy Aluminate；
The preparation method of biodegradable mulch film, comprises the following steps：
A) by alkyd resin, PLA, makrolon, potato starch, carbon fiber, bamboo-carbon fibre, hydroxyethyl cellulose, sea
Afrodite, butylated hydroxy anisole, peanut oil and distearyl acyl-oxygen aluminum isopropoxide acid esters are added into retort, are stirred at 50 DEG C
50min is mixed, compound is obtained；
B) compound made from step a) is put into inflation film manufacturing machine and carries out blown film, obtain film；
C) the obtained films of step b) are cut, bundling, obtain biodegradable mulch film.
Obtained Farm mulch is produced to embodiment 1~7 and carries out degradation rate, thermal conductivity factor, the test of tensile strength, knot
Fruit is shown in Table 1.
The experimental result of the embodiment 1~7 of table 1
A kind of biodegradable mulch film provided above the present invention and preparation method thereof is described in detail, herein
In apply specific case the principle and embodiment of the present invention be set forth, the explanation of above example is only intended to side
The method and its core concept of the assistant solution present invention, it is noted that for those skilled in the art, not
On the premise of departing from the principle of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification is also fallen into
In the protection domain of the claims in the present invention.
Claims (9)
1. a kind of biodegradable mulch film, it is characterised in that include the raw material of following parts by weight：
2. biodegradable mulch film as claimed in claim 1, it is characterised in that the starch is cornstarch, potato starch
Or starch from sweet potato.
3. biodegradable mulch film as claimed in claim 1, it is characterised in that the string is bamboo-carbon fibre or bamboo pulp
Fiber.
4. biodegradable mulch film as claimed in claim 1, it is characterised in that the cellulose is methylcellulose, hydroxypropyl
Ylmethyl cellulose or hydroxyethyl cellulose.
5. biodegradable mulch film as claimed in claim 1, it is characterised in that the filler is kaolin, barium sulfate, Hai Pao
Stone or calcium carbonate.
6. biodegradable mulch film as claimed in claim 1, it is characterised in that the antioxidant is butylhydroxy fennel
Ether, TBHQ or distannous citrate.
7. biodegradable mulch film as claimed in claim 1, it is characterised in that the lubricant be peanut oil, rapeseed oil or
Soybean oil.
8. biodegradable mulch film as claimed in claim 1, it is characterised in that the coupling agent be triethanolamine borate,
Four n-propyl zirconates, distearyl acyl-oxygen aluminum isopropoxide acid esters or aminopropyl triethoxysilane.
9. a kind of preparation method of biodegradable mulch film as claimed in claim 1, it is characterised in that comprise the following steps：
A) by alkyd resin, PLA, makrolon, starch, carbon fiber, string, cellulose, filler, antioxidant, profit
Lubrication prescription and coupling agent are added into retort, and 40~60min is stirred at 50~60 DEG C, compound is obtained；
B) compound made from step a) is put into inflation film manufacturing machine and carries out blown film, obtain film；
C) the obtained films of step b) are cut, bundling, obtain biodegradable mulch film.
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Cited By (7)
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| CN109082083A (en) * | 2018-07-02 | 2018-12-25 | 玉溪活源科技发展有限公司 | A kind of degradable agricultural biological mulch and preparation method thereof |
| CN109135222A (en) * | 2018-07-20 | 2019-01-04 | 王晚秀 | A kind of polylactic acid degradable film and preparation method thereof |
| CN109721984A (en) * | 2017-10-31 | 2019-05-07 | 丹阳博亚新材料技术服务有限公司 | A kind of heat-insulated antifog greenhouse film |
| CN110218359A (en) * | 2019-07-10 | 2019-09-10 | 邵熠星 | A kind of degradable mulch and preparation method thereof rich in numb Down Fiber element |
| CN111393866A (en) * | 2020-04-08 | 2020-07-10 | 保定茂华塑料制品有限公司 | Biodegradable mulching film and preparation method thereof |
| CN112322006A (en) * | 2020-11-05 | 2021-02-05 | 淄博中南医药包装材料股份有限公司 | Carbon fiber modified polylactic acid agricultural mulching film and preparation method thereof |
| CN112425581A (en) * | 2020-11-12 | 2021-03-02 | 湖北桔丰科技有限公司 | Production method of plant fiber trap and trap |
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