CN106398022A - Composite permeable layer for drip irrigation pipe and preparation method of composite permeable layer - Google Patents
Composite permeable layer for drip irrigation pipe and preparation method of composite permeable layer Download PDFInfo
- Publication number
- CN106398022A CN106398022A CN201610768538.6A CN201610768538A CN106398022A CN 106398022 A CN106398022 A CN 106398022A CN 201610768538 A CN201610768538 A CN 201610768538A CN 106398022 A CN106398022 A CN 106398022A
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- Prior art keywords
- permeable layer
- composite permeable
- drip irrigation
- irrigation pipe
- parts
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- 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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a composite permeable layer for a drip irrigation pipe and a preparation method of the composite permeable layer. The composite permeable layer is prepared from the following raw materials in parts by weight: 50-80 parts of a matrix, 20-50 parts of additives and 5-25 parts of a flexibilizer, wherein the matrix is one of polyethylene, polyvinyl chloride or polyurethane; and the additives are water-absorbing materials. According to the composite permeable layer for the drip irrigation pipe disclosed by the invention, the drip irrigation pipe in soil effectively adapts to a siphon effect generated when the system is closed, and clogging of the dripper is avoided; moreover, irrigation water can slowly and uniformly permeate into the soil, the moisture utilization rate is improved, the crop growth is facilitated, and the composite permeable layer is simple in preparation method and process and convenient for actual operation and production.
Description
Technical field
The invention belongs to water-saving irrigation technique field, especially relate to a kind of drip irrigation pipe composite permeable layer and its preparation side
Method.
Background technology
Drip irrigation technique is that drip irrigation pipe is laid on below arable layer, and the liquid manure required for crops is directly irrigated work
The drip irrigation of thing root.This irrigation technique has significant water saving and promotes production quenched, drip irrigation pipe because corroding from ultraviolet and outward
Power destroy and extend use time, high degree of automation and save many advantages, such as labour, effective control weeds and pest and disease damage.
However, in drip irrigation below the surface system shutdown procedures, the negative pressure producing in pipe network may be by around hollow billet outer wall
Soil particle causes emitter clogging through water dropper outlet suction passage, and uneven, the drip irrigation below the surface pipe maintenance of leading to pour water is tired
The bad problem such as difficulty.
Content of the invention
In view of this, it is contemplated that proposing a kind of drip irrigation pipe composite permeable layer, can be made using this composite permeable layer
Pour water uniformly, prevent emitter clogging.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that：
A kind of drip irrigation pipe composite permeable layer, is prepared from by the raw material including following parts by weight：
Substrate：50-80 part；
Additive：20-50 part；
Toughener：5-25 part；
Wherein, described substrate is one of polyethylene, polrvinyl chloride or polyurethane, and described additive is water absorption material
Material.
Further, described additive be one of cellulose powder, bentonite, kieselguhr and water-absorbing resins or
Two or more.
Further, described water-absorbing resins are acrylic water-absorbent resin.
Further, described toughener be polyether sulfone, Polyetherimide, aromatic polyamides, polyaryl ether, in polyphenylene oxide
A kind of.
Further, the thickness of described composite permeable layer is 0.1-1mm.
Another object of the present invention is to proposing a kind of preparation method of drip irrigation pipe composite permeable layer, walk including following
Suddenly：
After substrate, additive and toughener mix homogeneously, put in the mold cavity that forming temperature is 100-120 DEG C,
Then mold closing pressurizes and makes its molding and solidify the composite permeable layer obtaining that thickness is 0.1-1mm.
With respect to prior art, drip irrigation pipe composite permeable layer of the present invention has the advantage that：
When drip irrigation pipe composite permeable layer of the present invention makes the effective adaptive system of drip irrigation pipe being in soil close
The siphonic effect producing, prevents emitter clogging；So that irrigation water is slowly equably penetrated in soil, improve water utilization effect
Rate, is conducive to crop growth, and preparation method, process is simple, is easy to practical operation and production.
Specific embodiment
Unless otherwise indicated, term used herein is respectively provided with the conventional implication understanding of those skilled in the art, in order to
Readily appreciate the present invention, some terms used herein have been carried out following definitions.
All of Digital ID, such as pH, temperature, time, concentration, including scope, are all approximations.It is to be understood that although
Term " about " is all added before always clearly not describing all of Digital ID.Simultaneously it will also be understood that although always not clear and definite
Narration, reagent described herein is only example, and its equivalent is known in the art.
To describe the present invention with reference to embodiment in detail.
Embodiment 1
A kind of drip irrigation pipe composite permeable layer, is prepared from by the raw material including following parts by weight：
Polrvinyl chloride：50 parts；
Cellulose powder：20 parts；
Polyether sulfone：5 parts；
After above-mentioned raw materials mix homogeneously, put in the mold cavity that forming temperature is 100 DEG C, then mold closing pressurizes and makes
Its molding simultaneously solidifies the composite permeable layer obtaining that thickness is 0.5mm.
Embodiment 2
A kind of drip irrigation pipe composite permeable layer, is prepared from by the raw material including following parts by weight：
Polrvinyl chloride：60 parts；
Cellulose powder：35 parts；
Polyaryl ether：8 parts；
After above-mentioned raw materials mix homogeneously, put in the mold cavity that forming temperature is 100 DEG C, then mold closing pressurizes and makes
Its molding simultaneously solidifies the composite permeable layer obtaining that thickness is 0.2mm.
Embodiment 3
A kind of drip irrigation pipe composite permeable layer, is prepared from by the raw material including following parts by weight：
Polrvinyl chloride：75 parts；
Cellulose powder：45 parts；
Polyaryl ether：15 parts；
After above-mentioned raw materials mix homogeneously, put in the mold cavity that forming temperature is 110 DEG C, then mold closing pressurizes and makes
Its molding simultaneously solidifies the composite permeable layer obtaining that thickness is 0.6mm.
Embodiment 4
A kind of drip irrigation pipe composite permeable layer, is prepared from by the raw material including following parts by weight：
Polyethylene：70 parts；
Bentonite：20 parts；
Kieselguhr：20 parts；
Polyaryl ether：15 parts；
After above-mentioned raw materials mix homogeneously, put in the mold cavity that forming temperature is 100 DEG C, then mold closing pressurizes and makes
Its molding simultaneously solidifies the composite permeable layer obtaining that thickness is 0.8mm.
Embodiment 5
A kind of drip irrigation pipe composite permeable layer, is prepared from by the raw material including following parts by weight：
Polyurethane：75 parts；
Bentonite：40 parts；
Polyaryl ether：15 parts；
After above-mentioned raw materials mix homogeneously, put in the mold cavity that forming temperature is 100 DEG C, then mold closing pressurizes and makes
Its molding simultaneously solidifies the composite permeable layer obtaining that thickness is 0.8mm.
Embodiment 6
A kind of drip irrigation pipe composite permeable layer, is prepared from by the raw material including following parts by weight：
Polrvinyl chloride：80 parts；
Acrylic water-absorbent resin：40 parts；
Polyphenylene oxide：20 parts；
After above-mentioned raw materials mix homogeneously, put in the mold cavity that forming temperature is 120 DEG C, then mold closing pressurizes and makes
Its molding simultaneously solidifies the composite permeable layer obtaining that thickness is 1mm.
Embodiment 7
A kind of drip irrigation pipe composite permeable layer, is prepared from by the raw material including following parts by weight：
Polrvinyl chloride：80 parts；
Kieselguhr：45 parts；
Aromatic polyamides：15 parts；
After above-mentioned raw materials mix homogeneously, put in the mold cavity that forming temperature is 120 DEG C, then mold closing pressurizes and makes
Its molding simultaneously solidifies the composite permeable layer obtaining that thickness is 1mm.
The composite permeable layer that embodiment 1-7 is obtained is pasted onto commonly interior edge patch type drip irrigation tape weeper by thermal bonding
Exit, and the hole exits that will drip are completely covered, the water oozing out in weeper is adsorbed by this composite permeable layer, and through permeable layer
Penetrate in soil.The moisture penetrating can be made to pass through permeable coating uniform penetrate in soil.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (6)
1. a kind of drip irrigation pipe with composite permeable layer it is characterised in that：Described composite permeable layer is by including the former of following parts by weight
Material is prepared from：
Substrate：50-80 part；
Additive：20-50 part；
Toughener：5-25 part；
Wherein, described substrate is one of polyethylene, polrvinyl chloride or polyurethane, and described additive is water absorbing material.
2. drip irrigation pipe according to claim 1 with composite permeable layer it is characterised in that：Described additive is cellulose powder
One of end, bentonite, kieselguhr and water-absorbing resins or two or more.
3. drip irrigation pipe according to claim 2 with composite permeable layer it is characterised in that：Described water-absorbing resins are acrylic acid
Water-absorbing resins.
4. drip irrigation pipe according to claim 1 with composite permeable layer it is characterised in that：Described toughener is polyether sulfone, gathers
One of etherimide, aromatic polyamides, polyaryl ether, polyphenylene oxide.
5. the drip irrigation pipe according to claim 3 or 4 with composite permeable layer it is characterised in that：The thickness of described composite permeable layer
Spend for 0.1-1mm.
6. in a kind of claim 1-4 arbitrary described drip irrigation pipe with the preparation method of composite permeable layer it is characterised in that：Described
Preparation method comprises the steps：After substrate, additive and toughener mix homogeneously, put into forming temperature and be 100-120 DEG C
Mold cavity in, then mold closing pressurizes and make its molding solidifying obtain composite permeable layer that thickness is 0.1-1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610768538.6A CN106398022A (en) | 2016-08-30 | 2016-08-30 | Composite permeable layer for drip irrigation pipe and preparation method of composite permeable layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610768538.6A CN106398022A (en) | 2016-08-30 | 2016-08-30 | Composite permeable layer for drip irrigation pipe and preparation method of composite permeable layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106398022A true CN106398022A (en) | 2017-02-15 |
Family
ID=58002119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610768538.6A Pending CN106398022A (en) | 2016-08-30 | 2016-08-30 | Composite permeable layer for drip irrigation pipe and preparation method of composite permeable layer |
Country Status (1)
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| CN (1) | CN106398022A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107079782A (en) * | 2017-06-02 | 2017-08-22 | 南京信息工程大学 | A kind of field irrigation equipment |
-
2016
- 2016-08-30 CN CN201610768538.6A patent/CN106398022A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107079782A (en) * | 2017-06-02 | 2017-08-22 | 南京信息工程大学 | A kind of field irrigation equipment |
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Application publication date: 20170215 |