CN105830827A - High strength degradable agricultural film - Google Patents
High strength degradable agricultural film Download PDFInfo
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- CN105830827A CN105830827A CN201610195519.9A CN201610195519A CN105830827A CN 105830827 A CN105830827 A CN 105830827A CN 201610195519 A CN201610195519 A CN 201610195519A CN 105830827 A CN105830827 A CN 105830827A
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- high strength
- degradable agricultural
- agricultural film
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- film
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/02—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch
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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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/06—Vegetal fibres
- B32B2262/062—Cellulose fibres, e.g. cotton
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/716—Degradable
- B32B2307/7163—Biodegradable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2410/00—Agriculture-related articles
-
- 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
- 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
-
- 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
-
- 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
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to a high strength degradable agricultural film characterized by comprising a reinforcing layer arranged in middle and plastic film layers on two sides of the reinforcing layer; the plastic film layer comprises the following components by weight parts: low density polyethylene 20-35%, polylactic acid 45-65%, ABS resin 0.5-2%, chitosan 13-20%, anti-oxidant 3-6.5%, and heat stabilizer 0.5-2%; the reinforcing layer is in a grid type, and formed by blending vegetable fibers and high strength fibers, wherein the vegetable fiber and high strength fiber density ratio is 80:1-300:1. The high strength degradable agricultural film is smooth and flat in surface, and provided with the grid type reinforcing layer, thus greatly improving film stretching intensity without obviously reducing transparency, and prolonging film service life; the film layers basically employ hydrolysed polymers, and the reinforcing layer employs mass vegetable fibers, so the high strength degradable agricultural film is degradable, green, and environmental protection.
Description
Technical field
The present invention relates to plastic sheeting technical field, particularly to a kind of high-strength degradable agricultural film.
Background technology
Along with expanding economy and the adjustment of the structure of rural undertaking, Chinese countryside industry is to plastic sheeting
The market demand constantly rise.In order to adapt to the needs of agricultural production various aspects, agricultural plastic film
There are various different kind and specification.It is big that plastic sheeting is widely used in plastics in rural area plant
Canopy field, utilizes hot house to carry out the facility cultivation of vegetable, flowers etc., to alleviating vegetable dull season
Disparities between supply and demand serve special important function, have significant social benefit and the huge warp of reality
Ji benefit.
Thin film of the prior art is the thinnest, and ductility is relatively weak, and plastic sheeting is pacified at booth
During dress uses, thin film can be pullled by people, or when wind scale is bigger, plastic sheeting is weak to
Pull, be susceptible to breakage, further caused the breakage of whole thin film by tension force effect.
Summary of the invention
For solving the problem of above-mentioned existence, it is an object of the invention to provide a kind of high-strength degradable agriculture
Use thin film.Described high-strength degradable agricultural film, smooth surface is smooth, and is provided with latticed
Enhancement Layer, on the premise of significantly reducing transparency, increases substantially the hot strength of thin film, prolongs
The service life of long thin film；And described thin layer uses the polymer that hydrolysis can occur substantially, described
Enhancement Layer uses substantial amounts of Plant fiber to make, described thin film degradable, and environmental protection meets society
The requirement of sustainable development.
For reaching above-mentioned purpose, the technical scheme is that
A kind of high-strength degradable agricultural film, including: it is arranged at enhancement Layer and the enhancement Layer two of centre
The plastic film layers of side；
Wherein, described plastic film layers includes the component of following parts by weight: Low Density Polyethylene:
20-35%；Polylactic acid: 45-65%；ABS resin: 0.5-2%；Chitosan: 13-20%；Antioxidation
Agent: 3-6.5%；Heat stabilizer: 0.5-2%；
Described enhancement Layer is latticed, Plant fiber form with high strength fibre mixed weaving, described
The density of Plant fiber and high strength fibre is than for 80:1-300:1.
Further, described plastic film layers includes the component of following parts by weight: Low Density Polyethylene:
25-35%；Polylactic acid: 50-60%；ABS resin: 0.8-1.6%；Chitosan: 15-19%；Antioxygen
Agent: 3-5%；Heat stabilizer: 0.5-1.5%；
Described enhancement Layer is latticed, Plant fiber form with high strength fibre mixed weaving, described
The density of Plant fiber and high strength fibre is than for 100:1-200:1.
Further, described plastic film layers includes the component of following parts by weight: Low Density Polyethylene:
26%；Polylactic acid: 52%；ABS resin: 0.9%；Chitosan: 17%；Antioxidant: 3.4%；
Heat stabilizer: 0.7%；
Described enhancement Layer is latticed, Plant fiber form with high strength fibre mixed weaving, described
The density of Plant fiber and high strength fibre is than for 160:1.
Separately having, the thickness of described high-strength degradable agricultural film is 0.8-3mm.
Again, any one during described Plant fiber is stalk fibre or rice-straw fibre or sugarcane fiber.
And have, described plastic film layers is together with passing through hot compoiste adhering between enhancement Layer.
Meanwhile, any one during described antioxidant is antioxidant 1010 or antioxidant 168.
The beneficial effects of the present invention is:
(1) a kind of high-strength degradable agricultural film that the present invention provides, smooth surface is smooth, and sets
It is equipped with latticed enhancement Layer, on the premise of significantly reducing transparency, increases substantially thin film
Hot strength, extends the service life of thin film；
(2) a kind of high-strength degradable agricultural film that the present invention provides, described thin layer uses substantially
The polylactic acid of hydrolysis can occur, and owing to chitosan is a kind of alkaline polysaccharide, it drops with polylactic acid simultaneously
Solve, it is also possible to play inhibitory action to polylactic acid degradation process produces pH impulse action to environment, carry
The high cellular affinity on poly-lactic acid material surface；And described enhancement Layer uses substantial amounts of Plant fiber's system
Become, described thin film degradable, environmental protection, meet the requirement of social sustainable development.
Accompanying drawing explanation
The structural representation of a kind of high-strength degradable agricultural film that Fig. 1 provides for the present invention.
In figure: 1 is enhancement Layer, 2 is plastic film layers.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And embodiment further describes.
Embodiment 1
As it is shown in figure 1, a kind of high-strength degradable agricultural film that Fig. 1 provides for the present invention, including:
It is arranged at enhancement Layer 1 and the plastic film layers 2 of enhancement Layer both sides of centre；
Wherein, described plastic film layers 2 includes the component of following parts by weight: Low Density Polyethylene:
20%；Polylactic acid: 55%；ABS resin: 0.5%；Chitosan: 18%；Antioxidant: 5.5%；
Heat stabilizer: 1%；
Described enhancement Layer 1 is latticed, stalk fibre form with high strength fibre mixed weaving, institute
State the density of Plant fiber and high strength fibre than for 80:1.
The thickness of described high-strength degradable agricultural film is 0.8mm.
Embodiment 2
A kind of high-strength degradable agricultural film, including: it is arranged at enhancement Layer 1 and the enhancement Layer of centre
The plastic film layers 2 of both sides；
Wherein, described plastic film layers 2 includes the component of following parts by weight: Low Density Polyethylene:
26%；Polylactic acid: 56.5%；ABS resin: 1%；Chitosan: 13%；Antioxidant: 3%；
Heat stabilizer: 0.5%；
Described enhancement Layer 1 is latticed, sugarcane fiber form with high strength fibre mixed weaving, institute
State the density of Plant fiber and high strength fibre than for 120:1.
The thickness of described high-strength degradable agricultural film is 1.5mm.
Embodiment 3
A kind of high-strength degradable agricultural film, including: it is arranged at enhancement Layer 1 and the enhancement Layer of centre
The plastic film layers 2 of both sides；
Wherein, described plastic film layers includes the component of following parts by weight: Low Density Polyethylene: 26%；
Polylactic acid: 52%；ABS resin: 0.9%；Chitosan: 17%；Antioxidant: 3.4%；Heat is steady
Determine agent: 0.7%；
Described enhancement Layer is latticed, rice-straw fibre form with high strength fibre mixed weaving, described
The density of Plant fiber and high strength fibre is than for 160:1.
The thickness of described high-strength degradable agricultural film is 2.2mm.
Embodiment 4
A kind of high-strength degradable agricultural film, including: it is arranged at enhancement Layer 1 and the enhancement Layer of centre
The plastic film layers 2 of both sides；
Wherein, described plastic film layers 2 includes the component of following parts by weight: Low Density Polyethylene:
25%；Polylactic acid: 50%；ABS resin: 0.5%；Chitosan: 20%；Antioxidant: 3.5%；
Heat stabilizer: 1%；
Described enhancement Layer 1 is latticed, stalk fibre form with high strength fibre mixed weaving, institute
State the density of Plant fiber and high strength fibre than for 220:1.
The thickness of described high-strength degradable agricultural film is 2.4mm.
Embodiment 5
A kind of high-strength degradable agricultural film, including: it is arranged at enhancement Layer 1 and the enhancement Layer of centre
The plastic film layers 2 of both sides；
Wherein, described plastic film layers 2 includes the component of following parts by weight: Low Density Polyethylene:
35%；Polylactic acid: 45%；ABS resin: 1%；Chitosan: 12%；Antioxidant: 6.5%；
Heat stabilizer: 0.5%；
Described enhancement Layer 1 is latticed, sugarcane fiber form with high strength fibre mixed weaving, institute
State the density of Plant fiber and high strength fibre than for 300:1.
The thickness of described high-strength degradable agricultural film is 3mm.
Each performance of high-strength degradable agricultural film in embodiment 1-5 is tested, result such as table 1
Shown in.
Table 1: the performance data of each embodiment::
As can be seen from the table, the agricultural laminated film of one that the present invention provides, smooth surface is smooth,
And it is provided with latticed enhancement Layer, on the premise of significantly reducing transparency, increase substantially thin
The hot strength of film, extends the service life of thin film；Described thin layer substantially uses and can hydrolyze
Polylactic acid, owing to chitosan is a kind of alkaline polysaccharide, it degrades with polylactic acid simultaneously, it is also possible to right
Polylactic acid degradation process produces pH impulse action to environment and plays inhibitory action, improve polylactic acid material
The cellular affinity on material surface；And described enhancement Layer uses substantial amounts of Plant fiber to make, described thin film
Degradable, environmental protection, meet the requirement of social sustainable development.
It should be noted that above example is only in order to illustrate technical scheme and unrestricted.
Although being described in detail the present invention with reference to preferred embodiment, those of ordinary skill in the art should
Work as understanding, the technical scheme of invention can be modified or equivalent, without deviating from the present invention
The scope of technical scheme, it all should be contained in scope of the presently claimed invention.
Claims (7)
1. a high-strength degradable agricultural film, it is characterised in that including: be arranged at enhancement Layer and the plastic film layers of enhancement Layer both sides of centre；
Wherein, described plastic film layers includes the component of following parts by weight: Low Density Polyethylene: 20-35%；Polylactic acid: 45-65%；ABS resin: 0.5-2%；Chitosan: 13-20%；Antioxidant: 3-6.5%；Heat stabilizer: 0.5-2%；
Described enhancement Layer is latticed, Plant fiber form with high strength fibre mixed weaving, and the density of described Plant fiber and high strength fibre is than for 80:1-300:1.
A kind of high-strength degradable agricultural film the most according to claim 1, it is characterised in that described plastic film layers includes the component of following parts by weight: Low Density Polyethylene: 25-35%；Polylactic acid: 50-60%；ABS resin: 0.8-1.6%；Chitosan: 15-19%；Antioxidant: 3-5%；Heat stabilizer: 0.5-1.5%；
Described enhancement Layer is latticed, Plant fiber form with high strength fibre mixed weaving, and the density of described Plant fiber and high strength fibre is than for 100:1-200:1.
A kind of high-strength degradable agricultural film the most according to claim 1, it is characterised in that described plastic film layers includes the component of following parts by weight: Low Density Polyethylene: 26%；Polylactic acid: 52%；ABS resin: 0.9%；Chitosan: 17%；Antioxidant: 3.4%；Heat stabilizer: 0.7%；
Described enhancement Layer is latticed, Plant fiber form with high strength fibre mixed weaving, and the density of described Plant fiber and high strength fibre is than for 160:1.
A kind of high-strength degradable agricultural film the most according to claim 1, it is characterised in that the thickness of described high-strength degradable agricultural film is 0.8-3mm.
A kind of high-strength degradable agricultural film the most according to claim 1, it is characterised in that described Plant fiber is any one in stalk fibre or rice-straw fibre or sugarcane fiber.
A kind of high-strength degradable agricultural film the most according to claim 1, it is characterised in that described plastic film layers is together with passing through hot compoiste adhering between enhancement Layer.
A kind of high-strength degradable agricultural film the most according to claim 1, it is characterised in that described antioxidant is any one in antioxidant 1010 or antioxidant 168.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610195519.9A CN105830827A (en) | 2016-03-31 | 2016-03-31 | High strength degradable agricultural film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610195519.9A CN105830827A (en) | 2016-03-31 | 2016-03-31 | High strength degradable agricultural film |
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| CN105830827A true CN105830827A (en) | 2016-08-10 |
Family
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| CN201610195519.9A Pending CN105830827A (en) | 2016-03-31 | 2016-03-31 | High strength degradable agricultural film |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107266767A (en) * | 2017-06-26 | 2017-10-20 | 台山长江塑料制品有限公司 | A kind of degradation plastic and preparation method thereof |
| CN107322957A (en) * | 2017-07-05 | 2017-11-07 | 长沙天闰电子商务有限公司 | A kind of soil cover layer containing enhancing structure |
| CN107471771A (en) * | 2017-06-27 | 2017-12-15 | 常德碳汇工艺品科技有限公司 | A kind of outdoor weather-proof engineering material based on fast-growing grass and preparation method thereof |
| CN109385060A (en) * | 2018-11-15 | 2019-02-26 | 蚌埠星烁新材料科技有限公司 | A kind of degradable mulch |
| CN109438943A (en) * | 2018-11-15 | 2019-03-08 | 蚌埠星烁新材料科技有限公司 | A kind of preparation method of environmental protection agricultural mulching |
| CN109517245A (en) * | 2018-10-11 | 2019-03-26 | 福建鸿利印刷材料工贸有限公司 | A kind of degradable composite package film and preparation method thereof |
| CN110710408A (en) * | 2019-09-30 | 2020-01-21 | 黄鲁鑫 | Preparation method and application of low-temperature-resistant and anti-aging efficient insulation cover cloth for grape vine winter protection |
| CN115304897A (en) * | 2022-08-19 | 2022-11-08 | 南通市东方塑胶有限公司 | High-strength degradable linear polyester composite material and preparation method thereof |
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| CN102775750A (en) * | 2012-08-23 | 2012-11-14 | 胡建平 | Degradable multiband light conversion ground film and preparation method thereof |
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