CN110776670A - PU plastic-coated steel wire and preparation method and application thereof - Google Patents
PU plastic-coated steel wire and preparation method and application thereof Download PDFInfo
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- CN110776670A CN110776670A CN201911182759.5A CN201911182759A CN110776670A CN 110776670 A CN110776670 A CN 110776670A CN 201911182759 A CN201911182759 A CN 201911182759A CN 110776670 A CN110776670 A CN 110776670A
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- steel wire
- coated steel
- plastic
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/10—Encapsulated ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/17—Natural resins, resinous alcohols, resinous acids, or derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
Abstract
The invention discloses a PU plastic-coated steel wire and a preparation method and application thereof, relating to the field of materials; the master batch of the outer coating of the PU plastic-coated steel wire is prepared from the following raw materials in parts by weight: 34-48 parts of polyurethane resin, 8-18 parts of organic solvent, 8-15 parts of rosin glyceride, 1.5-2.2 parts of dibutyltin dilaurate and 12-25 parts of cellosilk. According to the coated steel wire, the raw materials of the outer coating master batch are optimally selected, so that the viscosity of the outer coating can be effectively improved, the bonding strength between the coated steel wire and the steel wire is ensured, and the quality of a finished product is improved; because the outer coating of the coated steel wire adopts the master batch which is homologous with PU material, the PU tube prepared by the coated steel wire can improve the adhesive property between the coated steel wire and the PU film, thereby ensuring the strength of the PU tube.
Description
Technical Field
The invention relates to the field of materials, in particular to a PU plastic-coated steel wire and a preparation method and application thereof.
Background
PU tuber pipe generally comprises PU film and steel wire, and the PU tuber pipe on the present market adopts the copper-plating steel wire mostly, and because the exit tube is gone on through the basin to can lead to the copper-plating steel wire to glue water, and then rust and change colour, influence holistic outward appearance and quality, and if can mould the steel wire with the PU package and replace the copper-plating steel wire, just can effectively solve above-mentioned problem.
However, the conventional plastic-coated steel wire often has a problem that the outer coating layer is not firmly bonded with the inner steel wire, and the reason for this is that the adhesiveness of the outer coating layer is poor, so that improvement is necessary.
Disclosure of Invention
The invention aims to provide a PU plastic-coated steel wire, a preparation method and application thereof, so as to solve the problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a PU plastic-coated steel wire comprises a steel wire and an outer coating layer positioned on the periphery of the steel wire; the master batch of the outer coating is prepared from the following raw materials in parts by weight: 34-48 parts of polyurethane resin, 8-18 parts of organic solvent, 8-15 parts of rosin glyceride, 1.5-2.2 parts of dibutyltin dilaurate and 12-25 parts of cellosilk.
In a further aspect: the master batch of the outer coating is prepared from the following raw materials in parts by weight: 38-44 parts of polyurethane resin, 10-16 parts of organic solvent, 10-13 parts of rosin glyceride, 1.7-2 parts of dibutyltin dilaurate and 16-21 parts of cellosilk.
In a further aspect: the master batch of the outer coating is prepared from the following raw materials in parts by weight: 41 parts of polyurethane resin, 14 parts of organic solvent, 12 parts of rosin glyceride, 1.8 parts of dibutyltin dilaurate and 18 parts of cellosilk.
In a further aspect: the organic solvent is acetone.
In a further aspect: the fiber silk is chemical fiber or natural fiber.
In a further aspect: the preparation method of the master batch of the outer coating layer comprises the following steps:
1) melting the polyurethane resin and maintaining the molten state;
2) adding rosin glycerin ester into polyurethane resin in a molten state, mixing and stirring for 8-12min at the stirring speed of 550-550 rpm, then adding dibutyltin dilaurate, mixing and stirring for 12-18min at the stirring speed of 600-770rpm, finally adding an organic solvent, mixing and stirring for 3-6min at the stirring speed of 110-190rpm to obtain a polyurethane mixture;
3) and adding the fiber yarns into the polyurethane mixture to uniformly disperse the fiber yarns, thus obtaining the polyurethane.
The preparation method of the PU plastic-coated steel wire comprises the following steps:
1) carrying out oil removal treatment on the steel wire, and then removing surface impurities;
2) adding the master batch into an extruder, and coating the master batch on the periphery of the steel wire by using the extruder to form a coating layer;
3) cooling and forming to obtain the product.
In a further aspect: the master batch is granular.
The PU plastic-coated steel wire is applied to the preparation of PU pipes.
Compared with the prior art, the invention has the following beneficial effects:
according to the coated steel wire, the raw materials of the outer coating master batch are optimally selected, so that the viscosity of the outer coating can be effectively improved, the bonding strength between the coated steel wire and the steel wire is ensured, and the quality of a finished product is improved; because the outer coating of the coated steel wire adopts the master batch which is homologous with PU material, the PU tube prepared by the coated steel wire can improve the adhesive property between the coated steel wire and the PU film, thereby ensuring the strength of the PU tube.
Detailed Description
The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Example 1
In the embodiment of the invention, the PU plastic-coated steel wire comprises a steel wire and an outer coating positioned on the periphery of the steel wire; the master batch of the outer coating is prepared from the following raw materials in parts by weight: 34 parts of polyurethane resin, 8 parts of organic solvent, 8 parts of rosin glyceride, 1.5 parts of dibutyltin dilaurate and 12 parts of cellosilk.
Wherein the organic solvent is acetone, and the fiber yarn is chemical fiber.
The preparation method of the master batch of the outer coating comprises the following steps:
1) melting the polyurethane resin and maintaining the molten state;
2) adding rosin glyceride into polyurethane resin in a molten state, mixing and stirring for 8min at the stirring speed of 400rpm, then adding dibutyltin dilaurate, mixing and stirring for 12min at the stirring speed of 600rpm, finally adding an organic solvent, mixing and stirring for 3min at the stirring speed of 110rpm, and obtaining a polyurethane mixture;
3) adding fiber yarns into the polyurethane mixture to uniformly disperse the fiber yarns to obtain the polyurethane foam
The preparation method of the PU plastic-coated steel wire in the embodiment comprises the following steps:
1) carrying out oil removal treatment on the steel wire, and then removing surface impurities;
2) adding the master batch into an extruder, and coating the master batch on the periphery of the steel wire by using the extruder to form a coating layer;
3) cooling and forming to obtain the product.
Wherein the master batch is in a granular shape.
Example 2
In the embodiment of the invention, the PU plastic-coated steel wire comprises a steel wire and an outer coating positioned on the periphery of the steel wire; the master batch of the outer coating is prepared from the following raw materials in parts by weight: 38 parts of polyurethane resin, 10 parts of organic solvent, 10 parts of rosin glyceride, 1.7 parts of dibutyltin dilaurate and 16 parts of cellosilk.
Wherein the organic solvent is acetone, and the fiber yarn is natural fiber.
The preparation method of the master batch of the outer coating comprises the following steps:
1) melting the polyurethane resin and maintaining the molten state;
2) adding rosin glyceride into polyurethane resin in a molten state, mixing and stirring for 10min at the stirring speed of 500rpm, then adding dibutyltin dilaurate, mixing and stirring for 13min at the stirring speed of 650rpm, finally adding an organic solvent, mixing and stirring for 4min at the stirring speed of 150rpm, and obtaining a polyurethane mixture;
3) adding fiber yarns into the polyurethane mixture to uniformly disperse the fiber yarns to obtain the polyurethane foam
The preparation method of the PU plastic-coated steel wire in the embodiment comprises the following steps:
1) carrying out oil removal treatment on the steel wire, and then removing surface impurities;
2) adding the master batch into an extruder, and coating the master batch on the periphery of the steel wire by using the extruder to form a coating layer;
3) cooling and forming to obtain the product.
Wherein the master batch is in a granular shape.
Example 3
In the embodiment of the invention, the PU plastic-coated steel wire comprises a steel wire and an outer coating positioned on the periphery of the steel wire; the master batch of the outer coating is prepared from the following raw materials in parts by weight: 41 parts of polyurethane resin, 14 parts of organic solvent, 12 parts of rosin glyceride, 1.8 parts of dibutyltin dilaurate and 18 parts of cellosilk.
Wherein the organic solvent is acetone, and the fiber yarn is natural fiber.
The preparation method of the master batch of the outer coating comprises the following steps:
1) melting the polyurethane resin and maintaining the molten state;
2) adding rosin glyceride into polyurethane resin in a molten state, mixing and stirring for 9min at the stirring speed of 500rpm, then adding dibutyltin dilaurate, mixing and stirring for 15min at the stirring speed of 700rpm, finally adding an organic solvent, mixing and stirring for 5min at the stirring speed of 160rpm, and obtaining a polyurethane mixture;
3) adding fiber yarns into the polyurethane mixture to uniformly disperse the fiber yarns to obtain the polyurethane foam
The preparation method of the PU plastic-coated steel wire in the embodiment comprises the following steps:
1) carrying out oil removal treatment on the steel wire, and then removing surface impurities;
2) adding the master batch into an extruder, and coating the master batch on the periphery of the steel wire by using the extruder to form a coating layer;
3) cooling and forming to obtain the product.
Wherein the master batch is in a granular shape.
Example 4
In the embodiment of the invention, the PU plastic-coated steel wire comprises a steel wire and an outer coating positioned on the periphery of the steel wire; the master batch of the outer coating is prepared from the following raw materials in parts by weight: 44 parts of polyurethane resin, 16 parts of organic solvent, 13 parts of rosin glyceride, 2 parts of dibutyltin dilaurate and 21 parts of cellosilk.
Wherein the organic solvent is acetone, and the fiber yarn is natural fiber.
The preparation method of the master batch of the outer coating comprises the following steps:
1) melting the polyurethane resin and maintaining the molten state;
2) adding rosin glyceride into polyurethane resin in a molten state, mixing and stirring for 11min at the stirring speed of 400rpm, then adding dibutyltin dilaurate, mixing and stirring for 18min at the stirring speed of 660rpm, finally adding an organic solvent, mixing and stirring for 5min at the stirring speed of 180rpm, and obtaining a polyurethane mixture;
3) adding fiber yarns into the polyurethane mixture to uniformly disperse the fiber yarns to obtain the polyurethane foam
The preparation method of the PU plastic-coated steel wire in the embodiment comprises the following steps:
1) carrying out oil removal treatment on the steel wire, and then removing surface impurities;
2) adding the master batch into an extruder, and coating the master batch on the periphery of the steel wire by using the extruder to form a coating layer;
3) cooling and forming to obtain the product.
Wherein the master batch is in a granular shape.
Example 5
In the embodiment of the invention, the PU plastic-coated steel wire comprises a steel wire and an outer coating positioned on the periphery of the steel wire; the master batch of the outer coating is prepared from the following raw materials in parts by weight: 48 parts of polyurethane resin, 18 parts of organic solvent, 15 parts of rosin glyceride, 2.2 parts of dibutyltin dilaurate and 25 parts of cellosilk.
Wherein the organic solvent is acetone, and the fiber yarn is chemical fiber.
The preparation method of the master batch of the outer coating comprises the following steps:
1) melting the polyurethane resin and maintaining the molten state;
2) adding rosin glyceride into polyurethane resin in a molten state, mixing and stirring for 12min at the stirring speed of 550rpm, then adding dibutyltin dilaurate, mixing and stirring for 18min at the stirring speed of 770rpm, finally adding an organic solvent, mixing and stirring for 6min at the stirring speed of 190rpm to obtain a polyurethane mixture;
3) adding fiber yarns into the polyurethane mixture to uniformly disperse the fiber yarns to obtain the polyurethane foam
The preparation method of the PU plastic-coated steel wire in the embodiment comprises the following steps:
1) carrying out oil removal treatment on the steel wire, and then removing surface impurities;
2) adding the master batch into an extruder, and coating the master batch on the periphery of the steel wire by using the extruder to form a coating layer;
3) cooling and forming to obtain the product.
Wherein the master batch is in a granular shape.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (9)
1. A PU plastic-coated steel wire comprises a steel wire and an outer coating layer positioned on the periphery of the steel wire; the coating is characterized in that the master batch of the outer coating is prepared from the following raw materials in parts by weight: 34-48 parts of polyurethane resin, 8-18 parts of organic solvent, 8-15 parts of rosin glyceride, 1.5-2.2 parts of dibutyltin dilaurate and 12-25 parts of cellosilk.
2. The PU plastic-coated steel wire of claim 1, wherein the master batch of the outer coating layer is prepared from the following raw materials in parts by weight: 38-44 parts of polyurethane resin, 10-16 parts of organic solvent, 10-13 parts of rosin glyceride, 1.7-2 parts of dibutyltin dilaurate and 16-21 parts of cellosilk.
3. The PU plastic-coated steel wire of claim 2, wherein the master batch of the outer coating layer is prepared from the following raw materials in parts by weight: 41 parts of polyurethane resin, 14 parts of organic solvent, 12 parts of rosin glyceride, 1.8 parts of dibutyltin dilaurate and 18 parts of cellosilk.
4. The PU plastic-coated steel wire of claim 1, wherein the organic solvent is acetone.
5. The PU plastic-covered steel wire of claim 1, wherein the fiber filament is a chemical fiber or a natural fiber.
6. The PU plastic-covered steel wire according to claim 1, wherein the masterbatch of the outer coating layer is prepared by the following method:
1) melting the polyurethane resin and maintaining the molten state;
2) adding rosin glycerin ester into polyurethane resin in a molten state, mixing and stirring for 8-12min at the stirring speed of 550-550 rpm, then adding dibutyltin dilaurate, mixing and stirring for 12-18min at the stirring speed of 600-770rpm, finally adding an organic solvent, mixing and stirring for 3-6min at the stirring speed of 110-190rpm to obtain a polyurethane mixture;
and adding the fiber yarns into the polyurethane mixture to uniformly disperse the fiber yarns, thus obtaining the polyurethane.
7. The method for preparing the PU plastic-coated steel wire according to any one of claims 1 to 6, comprising the steps of:
1) carrying out oil removal treatment on the steel wire, and then removing surface impurities;
2) adding the master batch into an extruder, and coating the master batch on the periphery of the steel wire by using the extruder to form a coating layer;
cooling and forming to obtain the product.
8. The method for preparing the PU plastic-coated steel wire according to claim 7, wherein the master batch is in a granular form.
9. Use of a PU-coated steel wire according to any one of claims 1 to 6 for the production of a PU pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911182759.5A CN110776670A (en) | 2019-11-27 | 2019-11-27 | PU plastic-coated steel wire and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911182759.5A CN110776670A (en) | 2019-11-27 | 2019-11-27 | PU plastic-coated steel wire and preparation method and application thereof |
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| CN110776670A true CN110776670A (en) | 2020-02-11 |
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| CN201911182759.5A Pending CN110776670A (en) | 2019-11-27 | 2019-11-27 | PU plastic-coated steel wire and preparation method and application thereof |
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