CN107189108A - Sisal fiber enhancing environmental protection starch mulch film and preparation method thereof - Google Patents
Sisal fiber enhancing environmental protection starch mulch film and preparation method thereof Download PDFInfo
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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
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/02—Cellulose; Modified cellulose
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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
- C08J2397/00—Characterised by the use of lignin-containing materials
- C08J2397/02—Lignocellulosic material, e.g. wood, straw or bagasse
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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
- C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2403/02—Starch; Degradation products thereof, e.g. dextrin
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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
- C08K2201/00—Specific properties of additives
- C08K2201/018—Additives for biodegradable polymeric composition
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- 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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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Abstract
Strengthen environmental protection starch mulch film the invention discloses a kind of sisal fiber, include the raw material of following parts by weight：40 parts of starch, 100 parts of sisal fiber, eutectic refers to 5 parts of linear low density of polyethylene resin, 3 parts of ethylene vinyl acetate copolymer resin, 3 parts of far-infared ceramic powder, 1 part of Benzotriazole Ultraviolet Stabilizer, 5 parts of medical stone, 5 parts of casein sodium, 25 parts of tetrabutyl titanate, 20 parts of polybutylene terephthalate, 15 parts of white carbon, 5 parts of flax oilseeds, 20 parts of fibroin albumen, 5 parts of phosphoguanidine, 5 parts of sorbierite, 5 parts of talcum powder, the invention also discloses the preparation method that a kind of sisal fiber strengthens environmental protection starch mulch film by 20 parts of of houttuynia extract.The present invention can keep soil moisture well, and the mulch film of residual can be degradable, does not pollute the environment, and with excellent mechanical property and heat-resisting quantity.
Description
Technical field
The present invention relates to agricultural mulching technical field.It is more particularly related to a kind of sisal fiber enhancing starch
Environment protection mulch film and preparation method thereof.
Background technology
At present, film-mulching technique is widely popularized in agricultural, be applied to wheat, paddy rice, corn and soybean,
In the plantation of the crops such as sorghum, cotton, effect of increasing production is obvious.Because the mulch film largely used now is nondegradable macromolecule
Compound, neither by microbial attack, can not voluntarily be decomposed.If things go on like this, insoluble dirt will necessarily be brought to descendant
Dye harm.Therefore, research degradable mulch is gradually taken seriously.Starch is the abundant renewable resource of nature, nontoxic,
Fully biodegradable, but poor mechanical property but limits its application.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantage that at least will be described later.
It is a still further object of the present invention to provide a kind of sisal fiber enhancing environmental protection starch mulch film and preparation method thereof, its energy
Enough to keep soil moisture well, the mulch film of residual can be degradable, does not pollute the environment, and with excellent mechanical property and
Heat-resisting quantity.
Environmental protection starch is strengthened there is provided a kind of sisal fiber according to object of the present invention and further advantage in order to realize
Mulch film, includes the raw material of following parts by weight：40 parts of starch, 100 parts of sisal fiber, eutectic refer to linear low density of polyethylene resin
5 parts, 3 parts of ethylene-vinyl acetate copolymer resin, 3 parts of far-infared ceramic powder, 1 part of Benzotriazole Ultraviolet Stabilizer, wheat
5 parts of meal stone, 5 parts of casein sodium, 25 parts of tetrabutyl titanate, 20 parts of polybutylene terephthalate, 15 parts of white carbon, linseed oil
5 parts of seed, 20 parts of fibroin albumen, 5 parts of phosphoguanidine, 5 parts of sorbierite, 5 parts of talcum powder, 20 parts of houttuynia extract；
Wherein, eutectic refers to melt flow rate (MFR) MFR≤1 of linear low density of polyethylene resin；
The preparation method of the houttuynia extract is：Cordate houttuynia is dried, crushed, mixes, enters with the water of 10 times of quality
Row ultrasonication, it is 120W to control ultrasonic power, keeps 30min, filtering, separation filter residue and filtrate, and filtrate is rotated to original
Have the 1/10 of volume, obtain concentrate, filter residue is dissolved in after the tea polysaccharide aqueous solution that concentration is 5g/L, ultrasonic disperse, added
Concentrate and polyvinyl alcohol, heating stirring to thick shape, drying to water content are less than 5%, produce.
Preferably, described sisal fiber enhancing environmental protection starch mulch film, the starch is tapioca, its amylose
Content is more than 20%, and water content is below 10%.
A kind of sisal fiber strengthens the preparation method of environmental protection starch mulch film, comprises the following steps：
Step 1: being 10 by mass ratio:1:2:0.2:1.5 starch, glycerine, di-2-ethylhexyl maleate, water mixing,
150 DEG C carry out melt blending graft reaction, i.e. modified starch by extruder；
Step 2: by sisal fiber crushing, expanded, the 1wt.% of 2 times of quality of addition acid solution, being protected at 120 DEG C
1h is held, filtering, cleaning, dry, crushing obtain the first mixture, add the 10wt.%'s of 3 times of quality into the first mixture
Alkali lye, stirring keeps 1h at 30 DEG C, filters, cleans, dries, it is 10% to control water content, the second mixture is obtained, by matter
Amount is than being 5:10:1 mixes the second mixture, methyl acrylate, potassium peroxydisulfate, is passed through Ar, and control pressure is that 1MPa, temperature are
40 DEG C, 5h is kept, is added in 10wt.% acetums and pH to 7, filters, clean, dry, produce modified sisal fiber；
Step 3: modification sisal fiber prepared by modified starch prepared by step one, step 2 imports high mixer, and add
Enter the eutectic and refer to linear low density of polyethylene resin, the ethylene-vinyl acetate copolymer resin, the far-infrared ceramic
Powder, the polybutylene terephthalate, mix 10min, add flax oilseeds, the fibroin albumen, the junket egg
White acid sodium, the cordate houttuynia concentrate, mix 10min, add the medical stone, the benzotriazole ultraviolet radiation absorption
Phosphoguanidine described in agent, the tetrabutyl titanate, mixes 10min, is eventually adding surplus stock, mixes 10min, is transferred to inflation film manufacturing machine
Hopper, melting extrusion blowing, tubular mulch film is made, cutting, bundling, packaging are produced.
Preferably, described preparation method, the thickness of the film of preparation is 0.01mm.
Preferably, described preparation method, inflation film manufacturing machine sets 5 bringing-up sections, temperature is respectively 190 DEG C, 195 DEG C, 200
℃、205℃、210℃。
Preferably, described preparation method, acid solution is sulfuric acid solution, and alkali lye is sodium hydroxide solution.
The present invention at least includes following beneficial effect：The present invention can keep soil moisture well, and the mulch film of residual can
It is degradable, do not pollute the environment, and with excellent mechanical property and heat-resisting quantity；Using sisal fiber and starch complex,
Improve the mechanical property of starch base mulch film, adding improves soil property after houttuynia extract, Plastic-film disintegration, improve anti-microbial property, form sediment
The modified thermoplastic obtained using string as skeleton of powder, sisal fiber, compatibility very well, can reach thermodynamics phase
Appearance state, it is to avoid the phenomenon of phase separation of product, improves the stability of modified product performance, alleviates a large amount of non-degradable synthesis macromolecules
The environmental pollution that material waste is caused, far-infared ceramic powder can improve surface temperature, be provided suitably for crop growth
Temperature, beneficial to the growth of crops, Benzotriazole Ultraviolet Stabilizer can be in the range of 280~340nm of absorbing wavelength strongly
Ultraviolet light, improves ground membrane stability, it is small that eutectic refers to polyvinyl resin solution flow rate, and number-average molecular weight is big, molecular weight distribution
Narrow, side chain is fewer, and the initial mechanical intensity of resulting product is high, and durability is good.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Embodiment
With reference to embodiment, the present invention is described in further detail, to make those skilled in the art with reference to specification
Word can be implemented according to this.
It should be noted that experimental method described in following embodiments, is conventional method unless otherwise specified, institute
Reagent and material are stated, unless otherwise specified, is commercially obtained.
<Embodiment 1>
A kind of sisal fiber strengthens environmental protection starch mulch film, includes the raw material of following parts by weight：40 parts of starch, sisal fiber
100 parts, eutectic refer to 5 parts of linear low density of polyethylene resin, 3 parts of ethylene-vinyl acetate copolymer resin, far-infared ceramic powder
3 parts, it is 1 part of Benzotriazole Ultraviolet Stabilizer, 5 parts of medical stone, 5 parts of casein sodium, 25 parts of tetrabutyl titanate, poly- to benzene two
20 parts of formic acid fourth diester, 15 parts of white carbon, 5 parts of flax oilseeds, 20 parts of fibroin albumen, 5 parts of phosphoguanidine, 5 parts of sorbierite, talcum powder
5 parts, 20 parts of houttuynia extract；
Wherein, eutectic refers to melt flow rate (MFR) MFR≤1 of linear low density of polyethylene resin；
The preparation method of the houttuynia extract is：Cordate houttuynia is dried, crushed, mixes, enters with the water of 10 times of quality
Row ultrasonication, it is 120W to control ultrasonic power, keeps 30min, filtering, separation filter residue and filtrate, and filtrate is rotated to original
Have the 1/10 of volume, obtain concentrate, filter residue is dissolved in after the tea polysaccharide aqueous solution that concentration is 5g/L, ultrasonic disperse, added
Concentrate and polyvinyl alcohol, heating stirring to thick shape, drying to water content are less than 5%, produce；
The starch is tapioca, and its amylose content is more than 20%, and water content is below 10%.
A kind of sisal fiber strengthens the preparation method of environmental protection starch mulch film, comprises the following steps：
Step 1: being 10 by mass ratio:1:2:0.2:1.5 starch, glycerine, di-2-ethylhexyl maleate, water mixing,
150 DEG C carry out melt blending graft reaction, i.e. modified starch by extruder；
Step 2: by the sisal fiber crush, it is expanded, add 2 times of quality 1wt.% sulfuric acid solution, at 120 DEG C
Lower holding 1h, filtering, cleaning, dry, crushing, obtains the first mixture, 3 times of quality of addition into the first mixture
10wt.% sodium hydroxide solution, stirring keeps 1h at 30 DEG C, filters, cleans, dries, it is 10% to control water content, is obtained
It is 5 by mass ratio to the second mixture:10:1 mixes the second mixture, methyl acrylate, potassium peroxydisulfate, is passed through Ar, controls
Pressure is that 1MPa, temperature are 40 DEG C, keeps 5h, is added in 10wt.% acetums and pH to 7, filtering, cleaning, is dried, and is produced
Modified sisal fiber；
Step 3: modification sisal fiber prepared by modified starch prepared by step one, step 2 imports high mixer, and add
Enter the eutectic and refer to linear low density of polyethylene resin, the ethylene-vinyl acetate copolymer resin, the far-infrared ceramic
Powder, the polybutylene terephthalate, mix 10min, add flax oilseeds, the fibroin albumen, the junket egg
White acid sodium, the cordate houttuynia concentrate, mix 10min, add the medical stone, the benzotriazole ultraviolet radiation absorption
Phosphoguanidine described in agent, the tetrabutyl titanate, mixes 10min, is eventually adding surplus stock, mixes 10min, is transferred to inflation film manufacturing machine
Hopper, inflation film manufacturing machine set 5 bringing-up sections, temperature is respectively 190 DEG C, 195 DEG C, 200 DEG C, 205 DEG C, 210 DEG C, and melting extrusion is blown
Modeling, is made tubular mulch film, cutting, bundling, packaging are produced, and the thickness of the film of preparation is 0.01mm.
<Comparative example 1>
A kind of sisal fiber strengthens environmental protection starch mulch film, formula and preparation method be the same as Example 1, unlike, in formula
Sisal fiber replace with the starch of equivalent, therefore also do not include the sisal fiber modification of step 2.
<Comparative example 2>
A kind of sisal fiber strengthens environmental protection starch mulch film, formula and preparation method be the same as Example 1, unlike, without
Step one and step 2, i.e., handled and sisal fiber modification without starch conversion.
<Comparative example 3>
A kind of sisal fiber strengthens environmental protection starch mulch film, formula and preparation method be the same as Example 1, unlike, in formula
Do not include far-infared ceramic powder, Benzotriazole Ultraviolet Stabilizer, houttuynia extract.
<Mulch film physical strength test experiments>
Tested, mulch film prepared by embodiment 1, comparative example 1,2 is tested, as a result such as according to GB/T 1040.3
Shown in table 1.
Table 1
Table 1 illustrates that after addition sisal fiber, the mulching film stretching intensity of preparation is greatly enhanced, starch, sisal fiber warp
After modification, elongation at break is greatly enhanced.
<Mulch film biodegradability testing experiment>
It is tested in 3 mu of milpas, after planting, prepared by mulch film prepared by 1 mu of covering embodiment 1,1 mu of covering comparative example 3
Mulch film, 1 mu of not covering with plastic film, as a result, the soil of covering with ground sheeting prepared by embodiment 1 germinates in 5 days, prepared by comparative example 3
Germinateed in the soil 8 days of covering with ground sheeting, the 10 days hinterland supervention buds in soil of any mulch film are not covered.
The mulch film prepared in 2 mu of discarded fields, 1 mu of covering embodiment 1, mulch film prepared by 1 mu of covering comparative example 3, meets
To after rainwater, mulch film prepared by embodiment 1 is i.e. degradable after 12 days, and fermentation is substantially smelt after 18 days and decomposites organic fertilizer
Taste, mulch film prepared by comparative example 3 was both degradable after 18 days, did not smelt the taste of organic fertilizer in subsequent 30 days.
<Mulch film light transmission testing experiment>
Tested, mulch film prepared by embodiment 1, comparative example 2,3 is tested, as a result according to GB/T 2410-2008
As shown in table 2.
Table 2 illustrates that starch, sisal fiber are modified, and suction is released rate and greatly improved, and illustrates the modified phase of starch, sisal fiber
Very well, the mulch film seepage of water of preparation is excellent for capacitive, addition far-infared ceramic powder, Benzotriazole Ultraviolet Stabilizer, cordate houttuynia
After extract, the mulch film visible light transmittance rate of preparation, air penetrability are greatly improved.
Number of devices and treatment scale described herein are the explanations for simplifying the present invention.To the present invention application,
Modifications and variations will be readily apparent to persons skilled in the art.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the embodiment with description.
Claims (6)
1. a kind of sisal fiber strengthens environmental protection starch mulch film, it is characterised in that include the raw material of following parts by weight：Starch 40
Part, 100 parts of sisal fiber, eutectic refer to 5 parts of linear low density of polyethylene resin, 3 parts of ethylene-vinyl acetate copolymer resin,
3 parts of far-infared ceramic powder, 1 part of Benzotriazole Ultraviolet Stabilizer, 5 parts of medical stone, 5 parts of casein sodium, tetrabutyl titanate
25 parts, 20 parts of polybutylene terephthalate, 15 parts of white carbon, 5 parts of flax oilseeds, 20 parts of fibroin albumen, 5 parts of phosphoguanidine, mountain
5 parts of pears alcohol, 5 parts of talcum powder, 20 parts of houttuynia extract；
Wherein, eutectic refers to melt flow rate (MFR) MFR≤1 of linear low density of polyethylene resin；
The preparation method of the houttuynia extract is：Cordate houttuynia is dried, crushed, mixes, is surpassed with the water of 10 times of quality
Sonicated, it is 120W to control ultrasonic power, keeps 30min, filtering, separation filter residue and filtrate, and filtrate is rotated to original body
Long-pending 1/10, obtains concentrate, and filter residue is dissolved in after the tea polysaccharide aqueous solution that concentration is 5g/L, ultrasonic disperse, concentration is added
Liquid and polyvinyl alcohol, heating stirring to thick shape, drying to water content are less than 5%, produce.
2. sisal fiber as claimed in claim 1 strengthens environmental protection starch mulch film, it is characterised in that the starch is para arrowroot
Powder, its amylose content is more than 20%, and water content is below 10%.
3. a kind of sisal fiber as claimed in claim 1 or 2 strengthens the preparation method of environmental protection starch mulch film, it is characterised in that
Comprise the following steps：
Step 1: being 10 by mass ratio:1:2:0.2:1.5 starch, glycerine, di-2-ethylhexyl maleate, water mixing, 150
DEG C pass through extruder carry out melt blending graft reaction, i.e. modified starch；
Step 2: by sisal fiber crushing, expanded, the 1wt.% of 2 times of quality of addition acid solution, 1h is kept at 120 DEG C,
Filtering, cleaning, dry, crushing, obtain the first mixture, the 10wt.% of 3 times of quality alkali lye are added into the first mixture,
Stirring, keeps 1h at 30 DEG C, filters, cleans, dries, it is 10% to control water content, obtains the second mixture, is by mass ratio
5:10:1 mixes the second mixture, methyl acrylate, potassium peroxydisulfate, is passed through Ar, and control pressure is that 1MPa, temperature are 40 DEG C,
5h is kept, is added in 10wt.% acetums and pH to 7, filters, clean, dry, produce modified sisal fiber；
Step 3: modification sisal fiber prepared by modified starch prepared by step one, step 2 imports high mixer, and add institute
State eutectic refer to linear low density of polyethylene resin, the ethylene-vinyl acetate copolymer resin, the far-infared ceramic powder,
The polybutylene terephthalate, mixes 10min, adds flax oilseeds, the fibroin albumen, the caseinic acid
Sodium, the cordate houttuynia concentrate, mix 10min, add the medical stone, the Benzotriazole Ultraviolet Stabilizer, institute
Phosphoguanidine described in tetrabutyl titanate is stated, 10min is mixed, surplus stock is eventually adding, 10min is mixed, is transferred to the material of inflation film manufacturing machine
Bucket, melting extrusion blowing, is made tubular mulch film, cutting, bundling, packaging are produced.
4. preparation method as claimed in claim 3, it is characterised in that the thickness of the film of preparation is 0.01mm.
5. preparation method as claimed in claim 3, it is characterised in that inflation film manufacturing machine sets 5 bringing-up sections, and temperature is respectively 190
℃、195℃、200℃、205℃、210℃。
6. preparation method as claimed in claim 3, it is characterised in that acid solution is sulfuric acid solution, alkali lye is sodium hydroxide solution.
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| CN201710486677.4A CN107189108A (en) | 2017-06-23 | 2017-06-23 | Sisal fiber enhancing environmental protection starch mulch film and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112646237A (en) * | 2020-12-23 | 2021-04-13 | 哈尔滨学院 | Preparation method of low-cost degradable mulching film |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106832807A (en) * | 2016-12-29 | 2017-06-13 | 武汉华丽生物股份有限公司 | A kind of controllable full-degradable mulch film of cellulose enhancing starch and preparation method thereof |
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2017
- 2017-06-23 CN CN201710486677.4A patent/CN107189108A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106832807A (en) * | 2016-12-29 | 2017-06-13 | 武汉华丽生物股份有限公司 | A kind of controllable full-degradable mulch film of cellulose enhancing starch and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 陈葵阳等: ""剑麻纤维脱胶工艺研究"", 《现代纺织技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112646237A (en) * | 2020-12-23 | 2021-04-13 | 哈尔滨学院 | Preparation method of low-cost degradable mulching film |
| CN112646237B (en) * | 2020-12-23 | 2022-04-12 | 哈尔滨学院 | Preparation method of low-cost degradable mulching film |
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Application publication date: 20170922 |