CN106280518A - A kind of production technology of Farm mulch - Google Patents
A kind of production technology of Farm mulch Download PDFInfo
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- CN106280518A CN106280518A CN201610663876.3A CN201610663876A CN106280518A CN 106280518 A CN106280518 A CN 106280518A CN 201610663876 A CN201610663876 A CN 201610663876A CN 106280518 A CN106280518 A CN 106280518A
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- Prior art keywords
- mulch
- film
- production technology
- slurry
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Classifications
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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
-
- 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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
-
- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
- C08J7/123—Treatment by wave energy or particle radiation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- 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
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/02—Cellulose; Modified cellulose
-
- 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
-
- 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
- C08L2205/02—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
-
- 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/28—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for farming
Abstract
The invention discloses the production technology of a kind of Farm mulch, the raw material pulverized also includes cotton fiber, described cotton fiber is also carried out making beating and processes, cotton fiber can be solved and cause soil compaction hardening, contaminated soil and the problem of subsoil water, described dried paraffin does impregnation process, may insure that the hot strength of mulch film, two-sided sided corona treatment is carried out after described cutting edge, the internal stress between thin film can be reduced, again parent roll is carried out Ageing Treatment after described rolling, the internal stress of thin film can be eliminated further, thus prepare the measured thin film of matter, the Farm mulch using this kind of production technology to produce has the advantage that tensile strength is big and percentage elongation is high, wide market.
Description
Technical field
The invention belongs to agricultural articles for use production technology field, it is more particularly related to a kind of Farm mulch
Production technology.
Background technology
Agricultural crop straw is the first big Renewable resource on the earth, and China's owning amount occupies first place in the world.China is monsoon
Weather country, the substantial amounts of mulch film of annual use could maintain agricultural high yield, and mulch film demand reaches 1,200,000 tons/year, covering with ground sheeting skill
Art is widely used in the whole nation.Therefore, the research of degradative plastic film has at home and abroad obtained great concern with application.Wherein, plant
Fiber mulch film because of its good degraded, press down grass, soil moisture conservation, fertilizer conservation, be incubated, prevent erosion, improve ecological environment of soil and carry
The performances such as high quality of agricultural product, have become as the focus studied in the world and the direction of degradable mulch film development.
Summary of the invention
Problem to be solved by this invention is to provide the production technology of a kind of Farm mulch.
To achieve these goals, the technical scheme that the present invention takes is:
The production technology of a kind of Farm mulch, comprises the steps:
(1) pulverize
Corn straw is put in pulverizer and pulverizes, a length of 16-21mm of straw after pulverizing, described straw aqueous
Rate is 31-33%；
(2) fiber is produced
Then the corn straw after pulverizing soaks 10-14h in water, and the analysis then passing through 0.2-0.3mm is sieved,
Obtaining fibrous raw material, the temperature of described immersion is 20-28 DEG C；
(3) making beating
Fibrous raw material and KP are starched and pulls an oar respectively at Valley beater, obtain slurry, stand-by；
(4) with slurry
Slurry, Colophonium, Alumina and wet strength agent after making beating is added separately in slurry tank, is then stirred with slurry, obtains
Film is starched；
(5) film is copied
Being filmed by vacuum forming device by film slurry, obtain mulch film, the vacuum of described vacuum forming device is 95-97 KPa,
The temperature of described masking is 96-98 DEG C；
(6) dry, cutting edge
Mulch film after copying film is put in baking oven and is dried, and then uneven webbing is carried out cutting edge process；
(7) rolling
Mulch film after cutting edge and two-sided sided corona treatment is wound into rolls up greatly parent roll；
(8) cut, pack
Mulch film after processing cuts into finished product by required specification requirement.
Preferably, the raw material pulverized in described step (1) also includes that cotton fiber, described cotton fiber are also carried out making beating and process.
Preferably, the beating degree of described cotton fiber is 45 ° of SR.
Preferably, in described step (3), the ratio of fibrous raw material, KP slurry and cotton fiber is 2:1:1-4:1:1.
Preferably, in described step (6), dried paraffin does impregnation process.
Preferably, carrying out two-sided sided corona treatment in described step (6) after cutting edge, the method for described two-sided sided corona treatment is will
Mulch film, by electric discharge knife rest and the gap of blade, utilizes high-frequency and high-voltage power supply to produce corona and mulch film is carried out two-sided sided corona treatment.
Preferably, again parent roll being carried out Ageing Treatment in described step (7) after rolling, the time of Ageing Treatment is 24-
36h。
Beneficial effect: the invention provides the production technology of a kind of Farm mulch, the raw material of pulverizing also includes cotton fiber,
Described cotton fiber is also carried out making beating and processes, and can solve cotton fiber and cause soil compaction hardening, contaminated soil and the problem of subsoil water,
Described dried paraffin does impregnation process, it can be ensured that the hot strength of mulch film, carries out two-sided sided corona treatment after described cutting edge,
The internal stress between thin film can be reduced, after described rolling, again parent roll is carried out Ageing Treatment, the interior of thin film can be eliminated further
Stress, thus prepare the measured thin film of matter, it is big that the Farm mulch using this kind of production technology to produce has tensile strength
And the advantage that percentage elongation is high, wide market.
Detailed description of the invention
Embodiment 1:
The production technology of a kind of Farm mulch, includes the following:
(1) pulverize
Corn straw and cotton fiber are put in pulverizer and pulverizes, a length of 16mm of straw, described straw after pulverizing
Moisture content be 31%；
(2) fiber is produced
Then corn straw and cotton fiber after pulverizing soak 10h in water, and the analysis then passing through 0.2mm is sieved
Point, obtaining fibrous raw material, the temperature of described immersion is 20 DEG C；
(3) making beating
Fibrous raw material and KP are starched and pulls an oar respectively at Valley beater, obtain slurry, stand-by, the beating degree of described cotton fiber
Being 45 ° of SR, the ratio of described fibrous raw material, KP slurry and cotton fiber is 2:1:1；
(4) with slurry
Slurry, Colophonium, Alumina and wet strength agent after making beating is added separately in slurry tank, is then stirred with slurry, obtains
Film is starched；
(5) film is copied
Being filmed by vacuum forming device by film slurry, obtain mulch film, the vacuum of described vacuum forming device is 95 KPa, described
The temperature of masking is 96 DEG C；
(6) dry, cutting edge
Mulch film after copying film is put in baking oven and is dried, and does impregnation process with paraffin after drying, then by uneven
Webbing carries out cutting edge process, carries out two-sided sided corona treatment after cutting edge, and the method for described two-sided sided corona treatment is for passing through to put by mulch film
Holder for electric knife and the gap of blade, utilize high-frequency and high-voltage power supply to produce corona and mulch film carried out two-sided sided corona treatment；
(7) rolling
Mulch film after cutting edge and two-sided sided corona treatment is wound into rolls up greatly parent roll, again parent roll is carried out Ageing Treatment after rolling, time
The time that effect processes is 24h；
(8) cut, pack
Mulch film after processing cuts into finished product by required specification requirement.
Embodiment 2:
The production technology of a kind of Farm mulch, comprises the steps:
(1) pulverize
Corn straw and cotton fiber are put in pulverizer and pulverizes, a length of 18mm of straw, described straw after pulverizing
Moisture content be 32%；
(2) fiber is produced
Then corn straw and cotton fiber after pulverizing soak 12h in water, and the analysis then passing through 0.25mm is sieved
Point, obtaining fibrous raw material, the temperature of described immersion is 24 DEG C；
(3) making beating
Fibrous raw material and KP are starched and pulls an oar respectively at Valley beater, obtain slurry, stand-by, the beating degree of described cotton fiber
Being 45 ° of SR, the ratio of described fibrous raw material, KP slurry and cotton fiber is 3:1:1；
(4) with slurry
Slurry, Colophonium, Alumina and wet strength agent after making beating is added separately in slurry tank, is then stirred with slurry, obtains
Film is starched；
(5) film is copied
Being filmed by vacuum forming device by film slurry, obtain mulch film, the vacuum of described vacuum forming device is 96KPa, described
The temperature of masking is 97 DEG C；
(6) dry, cutting edge
Mulch film after copying film is put in baking oven and is dried, and does impregnation process with paraffin after drying, then by uneven
Webbing carries out cutting edge process, carries out two-sided sided corona treatment after cutting edge, and the method for described two-sided sided corona treatment is for passing through to put by mulch film
Holder for electric knife and the gap of blade, utilize high-frequency and high-voltage power supply to produce corona and mulch film carried out two-sided sided corona treatment；
(7) rolling
Mulch film after cutting edge and two-sided sided corona treatment is wound into rolls up greatly parent roll, again parent roll is carried out Ageing Treatment after rolling, time
The time that effect processes is 30h；
(8) cut, pack
Mulch film after processing cuts into finished product by required specification requirement.
Embodiment 3
The production technology of a kind of Farm mulch, comprises the steps:
(1) pulverize
Corn straw and cotton fiber are put in pulverizer and pulverizes, a length of 21mm of straw, described straw after pulverizing
Moisture content be 33%；
(2) fiber is produced
Then corn straw and cotton fiber after pulverizing soak 14h in water, and the analysis then passing through 0.3mm is sieved
Point, obtaining fibrous raw material, the temperature of described immersion is 28 DEG C；
(3) making beating
Fibrous raw material and KP are starched and pulls an oar respectively at Valley beater, obtain slurry, stand-by, the beating degree of described cotton fiber
Being 45 ° of SR, the ratio of described fibrous raw material, KP slurry and cotton fiber is 4:1:1；
(4) with slurry
Slurry, Colophonium, Alumina and wet strength agent after making beating is added separately in slurry tank, is then stirred with slurry, obtains
Film is starched；
(5) film is copied
Being filmed by vacuum forming device by film slurry, obtain mulch film, the vacuum of described vacuum forming device is 95-97 KPa,
The temperature of described masking is 98 DEG C；
(6) dry, cutting edge
Mulch film after copying film is put in baking oven and is dried, and does impregnation process with paraffin after drying, then by uneven
Webbing carries out cutting edge process, carries out two-sided sided corona treatment after cutting edge, and the method for described two-sided sided corona treatment is for passing through to put by mulch film
Holder for electric knife and the gap of blade, utilize high-frequency and high-voltage power supply to produce corona and mulch film carried out two-sided sided corona treatment；
(7) rolling
Mulch film after cutting edge and two-sided sided corona treatment is wound into rolls up greatly parent roll, again parent roll is carried out Ageing Treatment after rolling, time
The time that effect processes is 36h；
(8) cut, pack
Mulch film after processing cuts into finished product by required specification requirement.
After above method, taking out sample respectively, measurement result is as follows:
| Detection project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Existing index |
| Dry tensile strength (N) | 42 | 47 | 45 | 35 |
| Wet tensile (strength) (N) | 18 | 19 | 17 | 12 |
| Stem elongation rate (%) | 2.0 | 2.1 | 2.1 | 1.9 |
Can draw according to above table data, when the parameter of embodiment 2, the Farm mulch after production is more raw than prior art
The dry tensile strength of the Farm mulch in puerperal is high, and wet tensile (strength) increased, and stem elongation rate also increases, the most more
Be conducive to the production of Farm mulch.
The invention provides the production technology of a kind of Farm mulch, the raw material of pulverizing also includes cotton fiber, described cotton fine
Dimension is also carried out making beating and processes, and can solve cotton fiber and cause soil compaction hardening, contaminated soil and the problem of subsoil water, described dry
Do impregnation process with paraffin afterwards, it can be ensured that the hot strength of mulch film, after described cutting edge, carry out two-sided sided corona treatment, it is possible to reduce
Internal stress between thin film, carries out Ageing Treatment to parent roll after described rolling again, can eliminate the internal stress of thin film further, thus
Preparing the measured thin film of matter, the Farm mulch using this kind of production technology to produce has that tensile strength is big and percentage elongation
High advantage, wide market.
Above-described is only the preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, it is also possible to make some deformation and improvement, these broadly fall into the present invention
Protection domain.
Claims (7)
1. the production technology of a Farm mulch, it is characterised in that comprise the steps:
(1) pulverize
Corn straw is put in pulverizer and pulverizes, a length of 16-21mm of straw after pulverizing, described straw aqueous
Rate is 31-33%；
(2) fiber is produced
Then the corn straw after pulverizing soaks 10-14h in water, and the analysis then passing through 0.2-0.3mm is sieved,
Obtaining fibrous raw material, the temperature of described immersion is 20-28 DEG C；
(3) making beating
Fibrous raw material and KP are starched and pulls an oar respectively at Valley beater, obtain slurry, stand-by；
(4) with slurry
Slurry, Colophonium, Alumina and wet strength agent after making beating is added separately in slurry tank, is then stirred with slurry, obtains
Film is starched；
(5) film is copied
Being filmed by vacuum forming device by film slurry, obtain mulch film, the vacuum of described vacuum forming device is 95-97 KPa,
The temperature of described masking is 96-98 DEG C；
(6) dry, cutting edge
Mulch film after copying film is put in baking oven and is dried, and then uneven webbing is carried out cutting edge process；
(7) rolling
Mulch film after cutting edge and two-sided sided corona treatment is wound into rolls up greatly parent roll；
(8) cut, pack
Mulch film after processing cuts into finished product by required specification requirement.
2. according to the production technology of a kind of Farm mulch described in claim 1, it is characterised in that: powder in described step (1)
Broken raw material also includes that cotton fiber, described cotton fiber are also carried out making beating and process.
3. according to the production technology of a kind of Farm mulch described in claim 2, it is characterised in that: the making beating of described cotton fiber
Degree is 45 ° of SR.
4. according to the production technology of a kind of Farm mulch described in claim 1, it is characterised in that: fine in described step (3)
The ratio of dimension raw material, KP slurry and cotton fiber is 2:1:1-4:1:1.
5. according to the production technology of a kind of Farm mulch described in claim 1, it is characterised in that: dry in described step (6)
Impregnation process is done with paraffin after dry.
6. according to the production technology of a kind of Farm mulch described in claim 1, it is characterised in that: described step (6) is cut out
Carrying out two-sided sided corona treatment behind limit, the method for described two-sided sided corona treatment is by electric discharge knife rest and the gap of blade by mulch film,
Utilize high-frequency and high-voltage power supply to produce corona and mulch film is carried out two-sided sided corona treatment.
7. according to the production technology of a kind of Farm mulch described in claim 1, it is characterised in that: described step (7) is received
Again parent roll being carried out Ageing Treatment after volume, the time of Ageing Treatment is 24-36h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610663876.3A CN106280518A (en) | 2016-08-15 | 2016-08-15 | A kind of production technology of Farm mulch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610663876.3A CN106280518A (en) | 2016-08-15 | 2016-08-15 | A kind of production technology of Farm mulch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106280518A true CN106280518A (en) | 2017-01-04 |
Family
ID=57670045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610663876.3A Withdrawn CN106280518A (en) | 2016-08-15 | 2016-08-15 | A kind of production technology of Farm mulch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106280518A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108076934A (en) * | 2018-01-29 | 2018-05-29 | 甘肃华瑞农业股份有限公司 | A kind of liquid ground film production technology |
| CN108207446A (en) * | 2018-01-29 | 2018-06-29 | 甘肃华瑞农业股份有限公司 | A kind of solid ground film production process |
-
2016
- 2016-08-15 CN CN201610663876.3A patent/CN106280518A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108076934A (en) * | 2018-01-29 | 2018-05-29 | 甘肃华瑞农业股份有限公司 | A kind of liquid ground film production technology |
| CN108207446A (en) * | 2018-01-29 | 2018-06-29 | 甘肃华瑞农业股份有限公司 | A kind of solid ground film production process |
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Application publication date: 20170104 |