CN109468857A - A kind of agricultural cold-proof non-woven fabrics - Google Patents
A kind of agricultural cold-proof non-woven fabrics Download PDFInfo
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- CN109468857A CN109468857A CN201811308810.8A CN201811308810A CN109468857A CN 109468857 A CN109468857 A CN 109468857A CN 201811308810 A CN201811308810 A CN 201811308810A CN 109468857 A CN109468857 A CN 109468857A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
- D01D5/0885—Cooling filaments, threads or the like, leaving the spinnerettes by means of a liquid
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0011—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using non-woven fabrics
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0036—Polyester fibres
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- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0038—Polyolefin fibres
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- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic compounds
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
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- D06N2209/00—Properties of the materials
- D06N2209/12—Permeability or impermeability properties
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- D06N2209/123—Breathable
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- D06N2209/14—Properties of the materials having chemical properties
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Abstract
The present invention provides a kind of agricultural cold-proof non-woven fabrics, it is related to non-woven fabrics field, its raw material are as follows: polypropylene, polyester fiber, polyimide fiber, polyurethane fiber, cellulose, paraffin, microcrystal wax, pectic substance and antioxidant, preparation step are as follows: (1) high-temperature fusion (2) is at silk (3) cooling (4) networking (5) stirring (6) coating (7) finished product processing.The present invention is by designing a kind of agricultural cold-proof non-woven fabrics, the mixture of paraffin and microcrystal wax is added in the nonwoven cloth material, and coating is made into according to cellular shape, on the multiple coating to non-woven fabrics of different angle, pass through cellular multi-angle coating simultaneously, the diameter of the air hole in non-woven fabrics can be reduced as far as possible, and such setting can not only increase the permeability of the non-woven fabrics and can reach good waterproof performance.
Description
Technical field
The present invention relates to non-woven fabrics fields, more particularly to a kind of agricultural cold-proof non-woven fabrics.
Background technique
Non-woven fabrics is also known as nonwoven fabric, is made of fiber orient or random.Because having the appearance and certain property of cloth
Can and be called cloth.Non-woven fabrics has moisture-proof, ventilative, flexible, light, not combustion-supporting, easy decomposition, nontoxic nonirritant, color
The features such as abundant, cheap, recyclable.Such as mostly using polypropylene (pp material) pellet is raw material, through high-temperature fusion, spray
Silk, paving guiding principle, hot pressing are batched continuous one-step and are produced.
Non-woven fabrics is a kind of non-woven cloth, it is that fiber is directly passed through gas using high polymer slice, staple fiber or long filament
Then spun lacing is passed through in stream or mechanical networking, needle thorn or hot rolling are reinforced, the non-woven cloth finally formed by final finishing.
The garden in China 90% is established in hilly and mountainous land, and soil layer is shallow, severe water and soil erosion.Include ground using plastic-film-covered cultivation
The cultivation of the minimum facilities such as film covering, lew, insulating plastic pipe canopy and tree crown overlay film, can not only effectively prevent soil erosion, may be used also
Play the role of taking shelter from rain to fruit tree growth, keep the temperature and diseases prevention.However, traditional plastic foil is breathed freely and bad hydraulic permeability, rainy weather
Easily cause and macerate root, improper use can also burn crop when strong sunlight, and non-woven fabrics needs to carry out it during development
It is dry and cooling, however the two processes easily cause the deformation of non-woven fabrics, so that the later period for influencing non-woven fabrics uses.Research and development and
It is imperative to produce new material.
Summary of the invention
The purpose of the present invention is to provide a kind of agricultural cold-proof non-woven fabrics, to solve the above technical problems.
The present invention using following technical scheme in order to solve the above technical problems, realized:
A kind of agricultural cold-proof non-woven fabrics, it is characterised in that: be made of the raw material of following weight proportion:
50-60 parts of polypropylene, 10-15 parts of polyester fiber, 10-15 parts of polyimide fiber, 10-15 parts of polyurethane fiber, fiber
8-10 parts plain, 1-3 parts of paraffin, 1-3 parts of microcrystal wax, 3-5 parts of pectic substance and 3-5 parts of antioxidant.
Preferably, the cold-proof non-woven fabrics is grouped as by each group of following mass fraction: 55 parts of polypropylene, polyester fiber 15
Part, resists 13 parts of polyimide fiber, 13 parts of polyurethane fiber, 9 parts of cellulose, 2 parts of paraffin, 2 parts of microcrystal wax, 4 parts of pectic substance
4 parts of oxygen agent.
Preferably, agricultural cold-proof non-woven fabrics of described one kind and preparation method thereof, includes the following steps:
(1) polypropylene, polyester fiber, cellulose, pectic substance and antioxidant are put into screw mixer according to formula rate
It is stirred mixing, while temperature is risen into 160-170 degree, so that becoming uniform melt flow stream shape between material
State；
(2) fluid after melting is filtered by filter, is entered in manifold after filtering, then the fluid after melting
Silk is extruded by spinneret；
(3) first pass through liquid nitrogen refrigerator and filamentary material precooled from top to bottom, this process to guarantee cooling velocity it is slow and
Uniformly, cooling time is 1-2 minutes, and then filamentary material tiles, and is carried out secondary cooling 5-10 minutes by natural wind；
(4) filamentary material after supercooling enters lapper；Non-woven fabrics after networking successively passes through lower compression roller
The reinforcing again of pre-reinforcement and milling train hot rolling；It reinforces molding non-woven fabrics to be soaked in 75% disinfectant 5-10 minutes, dry standby
With.
(5) paraffin, microcrystal wax and polyurethane fiber are added in aqueous solution according to formula rate, and carried out sufficiently mixed
Stirring is closed, mixing time 0.5-1h obtains coating A, then cools down to it, polyamides is then added into waterproof material again
Imine fiber, and carry out being sufficiently mixed stirring, mixing time 0.5-1h obtains coating B.
(6) under ultraviolet irradiation, by coating B in the non-woven fabrics being coated according to cellular shape in step (4)
On two-sided, and during coating, coating B is subjected to multiple coating.
(7) it by the non-woven fabrics after coating, is dried, and packaging of weighing, warehousing finished products.
Preferably, the drying in the step (7) is that first four corners of non-woven fabrics are dried by drier, so
The middle position of non-woven fabrics is carried out again afterwards uniformly and slowly dry.
Preferably, coating B carries out multiple coating to the two sides of non-woven fabrics respectively in the step (6), and every layer of coating with
The angle of upper one layer of coating is inconsistent.
Preferably, the antioxidant is zinc dialkyl dithiophosphate.
The beneficial effects of the present invention are:
The mixing of paraffin and microcrystal wax is added by designing a kind of agricultural cold-proof non-woven fabrics in the present invention in the nonwoven cloth material
Body, and be made into coating according to cellular shape on the multiple coating to non-woven fabrics of different angle, while passing through honeycomb fashion
Multi-angle coating, the diameter of the air hole in non-woven fabrics can be reduced as far as possible, and paraffin and microcrystal wax mixture
Fusing point is higher compared to common paraffin, and such setting can not only increase the permeability of the non-woven fabrics and can reach
Good waterproof performance is often 1-2 minutes, then passes through nature again secondly, carrying out uniform precooling at a slow speed by liquid nitrogen
Wind cools down again, and such mode can prevent filamentary material fast cooling from causing the deformation of material, by first carrying out to corner
The dry mode that inside is dried again, can prevent non-woven fabrics in the production process, and shrinkage cavity and deformation occur for cloth.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained, and however, the following embodiments are merely preferred embodiments of the present invention, and not all.
Based on the implementation example in the implementation mode, those skilled in the art's obtained other realities without making creative work
Example is applied, protection scope of the present invention is belonged to.Experimental method in following embodiments is unless otherwise specified conventional method,
The materials, reagents and the like used in the following examples is commercially available unless otherwise specified.
Embodiment 1
A kind of agricultural cold-proof non-woven fabrics, by weight component meter, are made of the raw material matching as follows:
55 parts of polypropylene, 15 parts of polyester fiber, 13 parts of polyimide fiber, 13 parts of polyurethane fiber, 9 parts of cellulose, paraffin 2
Part, 2 parts of microcrystal wax, 4 parts of pectic substance, 4 parts of antioxidant.
Include the following steps:
(1) polypropylene, polyester fiber, cellulose, pectic substance and antioxidant are put into screw mixer according to formula rate
It is stirred mixing, while temperature is risen into 160-170 degree, so that becoming uniform melt flow stream shape between material
State；
(2) fluid after melting is filtered by filter, is entered in manifold after filtering, then the fluid after melting
Silk is extruded by spinneret；
(3) first pass through liquid nitrogen refrigerator and filamentary material precooled from top to bottom, this process to guarantee cooling velocity it is slow and
Uniformly, cooling time is 1-2 minutes, and then filamentary material tiles, and is carried out secondary cooling 5-10 minutes by natural wind；
(4) filamentary material after supercooling enters lapper；Non-woven fabrics after networking successively passes through lower compression roller
The reinforcing again of pre-reinforcement and milling train hot rolling；It reinforces molding non-woven fabrics to be soaked in 75% disinfectant 5-10 minutes, dry standby
With.
(5) paraffin, microcrystal wax and polyurethane fiber are added in aqueous solution according to formula rate, and carried out sufficiently mixed
Stirring is closed, mixing time 0.5-1h obtains coating A, then cools down to it, polyamides is then added into waterproof material again
Imine fiber, and carry out being sufficiently mixed stirring, mixing time 0.5-1h obtains coating B.
(6) under ultraviolet irradiation, by coating B in the non-woven fabrics being coated according to cellular shape in step (4)
On two-sided, and during coating, coating B is subjected to multiple coating.
(7) it by the non-woven fabrics after coating, is dried, and packaging of weighing, warehousing finished products.
Drying in step (7) is that first four corners of non-woven fabrics are dried by drier, then again to nonwoven
The middle position of cloth carries out uniformly and slowly dry.Coating B carries out multilayer painting to the two sides of non-woven fabrics respectively in step (6)
It covers, and the angle that every layer of coating is coated with upper one layer is inconsistent.Antioxidant is zinc dialkyl dithiophosphate.
Embodiment 2
A kind of agricultural cold-proof non-woven fabrics, by weight component meter, are made of the raw material matching as follows:
51 parts of polypropylene, 10 parts of polyester fiber, 11 parts of polyimide fiber, 10 parts of polyurethane fiber, 9 parts of cellulose, paraffin 1
Part, 1 part of microcrystal wax, 3 parts of pectic substance, 3 parts of antioxidant.
Include the following steps:
(1) polypropylene, polyester fiber, cellulose, pectic substance and antioxidant are put into screw mixer according to formula rate
It is stirred mixing, while temperature is risen into 160-170 degree, so that becoming uniform melt flow stream shape between material
State；
(2) fluid after melting is filtered by filter, is entered in manifold after filtering, then the fluid after melting
Silk is extruded by spinneret；
(3) first pass through liquid nitrogen refrigerator and filamentary material precooled from top to bottom, this process to guarantee cooling velocity it is slow and
Uniformly, cooling time is 1-2 minutes, and then filamentary material tiles, and is carried out secondary cooling 5-10 minutes by natural wind；
(4) filamentary material after supercooling enters lapper；Non-woven fabrics after networking successively passes through lower compression roller
The reinforcing again of pre-reinforcement and milling train hot rolling；It reinforces molding non-woven fabrics to be soaked in 75% disinfectant 5-10 minutes, dry standby
With.
(5) paraffin, microcrystal wax and polyurethane fiber are added in aqueous solution according to formula rate, and carried out sufficiently mixed
Stirring is closed, mixing time 0.5-1h obtains coating A, then cools down to it, polyamides is then added into waterproof material again
Imine fiber, and carry out being sufficiently mixed stirring, mixing time 0.5-1h obtains coating B.
(6) under ultraviolet irradiation, by coating B in the non-woven fabrics being coated according to cellular shape in step (4)
On two-sided, and during coating, coating B is subjected to multiple coating.
(7) it by the non-woven fabrics after coating, is dried, and packaging of weighing, warehousing finished products.
Drying in step (7) is that first four corners of non-woven fabrics are dried by drier, then again to nonwoven
The middle position of cloth carries out uniformly and slowly dry.Coating B carries out multilayer painting to the two sides of non-woven fabrics respectively in step (6)
It covers, and the angle that every layer of coating is coated with upper one layer is inconsistent.Antioxidant is zinc dialkyl dithiophosphate.
Embodiment 3
A kind of agricultural cold-proof non-woven fabrics, by weight component meter, are made of the raw material matching as follows:
60 parts of polypropylene, 15 parts of polyester fiber, 15 parts of polyimide fiber, 15 parts of polyurethane fiber, 10 parts of cellulose, paraffin 3
Part, 3 parts of microcrystal wax, 5 parts of pectic substance, 5 parts of antioxidant.
Include the following steps:
(1) polypropylene, polyester fiber, cellulose, pectic substance and antioxidant are put into screw mixer according to formula rate
It is stirred mixing, while temperature is risen into 160-170 degree, so that becoming uniform melt flow stream shape between material
State；
(2) fluid after melting is filtered by filter, is entered in manifold after filtering, then the fluid after melting
Silk is extruded by spinneret；
(3) first pass through liquid nitrogen refrigerator and filamentary material precooled from top to bottom, this process to guarantee cooling velocity it is slow and
Uniformly, cooling time is 1-2 minutes, and then filamentary material tiles, and is carried out secondary cooling 5-10 minutes by natural wind；
(4) filamentary material after supercooling enters lapper；Non-woven fabrics after networking successively passes through lower compression roller
The reinforcing again of pre-reinforcement and milling train hot rolling；It reinforces molding non-woven fabrics to be soaked in 75% disinfectant 5-10 minutes, dry standby
With.
(5) paraffin, microcrystal wax and polyurethane fiber are added in aqueous solution according to formula rate, and carried out sufficiently mixed
Stirring is closed, mixing time 0.5-1h obtains coating A, then cools down to it, polyamides is then added into waterproof material again
Imine fiber, and carry out being sufficiently mixed stirring, mixing time 0.5-1h obtains coating B.
(6) under ultraviolet irradiation, by coating B in the non-woven fabrics being coated according to cellular shape in step (4)
On two-sided, and during coating, coating B is subjected to multiple coating.
(7) it by the non-woven fabrics after coating, is dried, and packaging of weighing, warehousing finished products.
Drying in step (7) is that first four corners of non-woven fabrics are dried by drier, then again to nonwoven
The middle position of cloth carries out uniformly and slowly dry.Coating B carries out multilayer painting to the two sides of non-woven fabrics respectively in step (6)
It covers, and the angle that every layer of coating is coated with upper one layer is inconsistent.Antioxidant is zinc dialkyl dithiophosphate.
By detecting to agricultural cold-proof non-woven fabrics made by embodiment 1-3, following testing result is obtained:
| Test item | Embodiment one | Embodiment two | Embodiment three |
| Citrus washing shrinkage | 5% | 7% | 7% |
Analyze experimental data:
It by the cold-proof non-textile mulch citrus to tree crown, is obtained through observation after a period of time, proportion may make in embodiment 1
The washing shrinkage of citrus is reduced to 5%, and the proportion in embodiment 2 and embodiment 3 may make the washing shrinkage of citrus to reduce to 7%, thus
It can obtain, the non-woven fabrics that embodiment 1 is matched is preferred plan.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention
Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent thereof.
Claims (6)
1. a kind of agricultural cold-proof non-woven fabrics, it is characterised in that: be made of the raw material of following weight proportion:
50-60 parts of polypropylene, 10-15 parts of polyester fiber, 10-15 parts of polyimide fiber, 10-15 parts of polyurethane fiber, fiber
8-10 parts plain, 1-3 parts of paraffin, 1-3 parts of microcrystal wax, 3-5 parts of pectic substance and 3-5 parts of antioxidant.
2. the agricultural cold-proof non-woven fabrics of one kind according to claim 1, it is characterised in that: the cold-proof non-woven fabrics is by following matter
The each group of amount number is grouped as: 55 parts of polypropylene, 15 parts of polyester fiber, 13 parts of polyimide fiber, 13 parts of polyurethane fiber, fibre
Tie up plain 9 parts, 2 parts of paraffin, 2 parts of microcrystal wax, 4 parts of pectic substance, 4 parts of antioxidant.
3. the preparation method of agricultural cold-proof non-woven fabrics described in a kind of claim 1, characterized by the following steps:
(1) polypropylene, polyester fiber, cellulose, pectic substance and antioxidant are put into screw mixer according to formula rate
It is stirred mixing, while temperature is risen into 160-170 degree, so that becoming uniform melt flow stream shape between material
State；
(2) fluid after melting is filtered by filter, is entered in manifold after filtering, then the fluid after melting
Silk is extruded by spinneret；
(3) first pass through liquid nitrogen refrigerator and filamentary material precooled from top to bottom, this process to guarantee cooling velocity it is slow and
Uniformly, cooling time is 1-2 minutes, and then filamentary material tiles, and is carried out secondary cooling 5-10 minutes by natural wind；
(4) filamentary material after supercooling enters lapper, and the non-woven fabrics after networking successively passes through lower compression roller
The reinforcing again of pre-reinforcement and milling train hot rolling is reinforced molding non-woven fabrics and is soaked in 75% disinfectant 5-10 minutes, dries standby
With:
(5) paraffin, microcrystal wax and polyurethane fiber are added in aqueous solution according to formula rate, and be sufficiently mixed stirring
It mixes, mixing time 0.5-1h obtains coating A, then cools down to it, polyimides is then added into waterproof material again
Fiber, and carry out being sufficiently mixed stirring, mixing time 0.5-1h obtains coating B；
(6) under ultraviolet irradiation, by coating B in the two-sided of the non-woven fabrics being coated according to cellular shape in step (4)
On, and during coating, coating B is subjected to multiple coating；
(7) it by the non-woven fabrics after coating, is dried, and packaging of weighing, warehousing finished products.
4. preparation method according to claim 3, it is characterised in that: the drying in the step (7) is to pass through drier
First four corners of non-woven fabrics are dried, then the middle position of non-woven fabrics are carried out again uniformly and slowly dry.
5. preparation method according to claim 3, it is characterised in that: coating B is respectively to non-woven fabrics in the step (6)
Two sides carries out multiple coating, and the angle that every layer of coating is coated with upper one layer is inconsistent.
6. preparation method according to claim 3, it is characterised in that: the antioxidant is zinc dialkyl dithiophosphate.
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| CN201811308810.8A CN109468857A (en) | 2018-11-05 | 2018-11-05 | A kind of agricultural cold-proof non-woven fabrics |
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| CN201811308810.8A CN109468857A (en) | 2018-11-05 | 2018-11-05 | A kind of agricultural cold-proof non-woven fabrics |
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| CN201811308810.8A Pending CN109468857A (en) | 2018-11-05 | 2018-11-05 | A kind of agricultural cold-proof non-woven fabrics |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112297479A (en) * | 2020-11-25 | 2021-02-02 | 袁铭 | Manufacturing process of grating plate for water treatment |
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| CN104005178A (en) * | 2014-05-29 | 2014-08-27 | 东莞市信远无纺布有限公司 | Polypropylene agricultural biological non-woven fabric and preparation method thereof |
| CN106835724A (en) * | 2016-12-05 | 2017-06-13 | 广东乐将生物科技有限公司 | A kind of degradable mulch for coating tung oil |
| CN107125061A (en) * | 2016-12-05 | 2017-09-05 | 广东乐将生物科技有限公司 | A kind of degradable mulch for coating waterproof layer |
| CN107956046A (en) * | 2017-12-25 | 2018-04-24 | 安徽省临泉县万隆塑料包装有限公司 | One kind blocks water Breathable nonwoven and its processing technology |
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| CN104005178A (en) * | 2014-05-29 | 2014-08-27 | 东莞市信远无纺布有限公司 | Polypropylene agricultural biological non-woven fabric and preparation method thereof |
| CN106835724A (en) * | 2016-12-05 | 2017-06-13 | 广东乐将生物科技有限公司 | A kind of degradable mulch for coating tung oil |
| CN107125061A (en) * | 2016-12-05 | 2017-09-05 | 广东乐将生物科技有限公司 | A kind of degradable mulch for coating waterproof layer |
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