CN110924176A - Novel wire joint sealing material - Google Patents
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- CN110924176A CN110924176A CN201911153944.1A CN201911153944A CN110924176A CN 110924176 A CN110924176 A CN 110924176A CN 201911153944 A CN201911153944 A CN 201911153944A CN 110924176 A CN110924176 A CN 110924176A
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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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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
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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
- D06N3/0056—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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- 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
- D06N3/0056—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
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
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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
- D06N3/007—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
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
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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
- D06N3/141—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 mixture of two or more polyurethanes in the same layer
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- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2003/1087—Materials or components characterised by specific uses
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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
- D06N2209/00—Properties of the materials
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/103—Resistant to mechanical forces, e.g. shock, impact, puncture, flexion, shear, compression, tear
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- D—TEXTILES; PAPER
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- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1635—Elasticity
Abstract
The invention is suitable for the technical field of sealing materials for threaded joints of pipes, and provides a novel threaded joint sealing material which comprises a coating layer material and a coated layer material which are compounded with each other, wherein the coating layer material comprises the following components in parts by weight: 40-60 parts of sodium-based clay, 2-5 parts of clay additive, 10-20 parts of epoxy resin, 5-10 parts of polyurethane, 5-10 parts of organic silicon, 5-8 parts of propylene elastomer and 12-15 parts of polytetrafluoroethylene, and the sodium-based clay enables the coating layer material to have the characteristic of being capable of expanding when meeting water, so that secondary sealing can be performed, the sealing effect is better, the epoxy resin, the polyurethane, the organic silicon, the propylene elastomer and the polytetrafluoroethylene which are used as ingredients are added into the coating layer material, so that the coating layer material is better in elasticity and stronger in viscosity, and the coating layer material is made of non-woven fabrics, so that the whole structural strength of the sealing material is more stable, the anti-tearing capacity is stronger, and the service life is longer.
Description
Technical Field
The invention belongs to the technical field of sealing materials at threaded joints of pipes, and particularly relates to a novel threaded joint sealing material.
Background
The pipes are common fluid transmission tools in buildings, the connection between the pipes is generally in a threaded connection mode, the threaded connection is also called threaded connection, the connection method is used in pipelines for water supply, heating, oil ways, compressed air and the like, two pipe fittings made of different or the same materials are rotatably connected, and the threaded connection between the pipes needs to be further sealed by using sealing materials.
The sealing materials in the market at present comprise: hemp thread, white and thick lacquer, raw material belt, anaerobic adhesive and the like. The hemp thread is the plant rhizome, has the longest application time and is the oldest sealing material. The technical defects are that the operation is complicated and the use technical requirement is high. The auxiliary product which consumes artificial white and thick paint as a sealing material is extremely high in material cost, time and labor are consumed, a sealing effect cannot be achieved when the auxiliary product is used alone, certain toxic and harmful substances exist, a raw material belt which is not easy to clean is a common sealing material in the current market, the pressure bearing performance of the raw material belt is general, the time consumed for winding one screw thread is extremely long, and the number of the 15-20 turns is 15-20. The anaerobic adhesive is a novel sealing material in the market in the year, has good sealing performance, can be pressed after waiting for more than 24 hours after being used, is convenient to install, is very difficult to disassemble and modify, and is easy to assemble and disassemble. Meanwhile, the threaded pipe cannot have oil stains, the threaded pipe needs to be wiped clean before use, otherwise, the glue does not react with the oil, and the sealing effect cannot be achieved. The anaerobic adhesive only reacts on the metal piece and does not react with the plastic pipe fitting.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a novel wire joint sealing material which can achieve an all-directional sealing effect, a coating layer has the characteristic of water swelling, the effect of sealing twice can be achieved, and the product use method is simple.
The invention is realized by the realization that a novel wire joint sealing material comprises a coating layer material and a coating layer material which are compounded with each other;
the coating layer material comprises the following components in parts by weight: 40-60 parts of sodium-based clay, 2-5 parts of clay additive, 10-20 parts of epoxy resin, 5-10 parts of polyurethane, 5-10 parts of organic silicon, 5-8 parts of propylene-ethylene elastomer and 12-15 parts of polytetrafluoroethylene;
the coated layer is made of non-woven fabric.
Preferably, the coating layer material comprises the following components in parts by weight: 45 parts of sodium-based clay, 5 parts of clay additive, 15 parts of epoxy resin, 7 parts of polyurethane, 5 parts of organic silicon, 5 parts of propylene-ethylene elastomer and 13 parts of polytetrafluoroethylene.
Preferably, the clay additive comprises the following components in parts by weight: 15-20 parts of polyacrylamide, 12-15 parts of potassium aluminum sulfate, 65-75 parts of calcium magnesium chloride and 10-15 parts of sodium fluosilicate.
Preferably, the clay additive comprises the following components in parts by weight: 18 parts of polyacrylamide, 12 parts of potassium aluminum sulfate, 70 parts of calcium magnesium chloride and 10 parts of sodium fluosilicate.
Preferably, the coating material is uniformly coated on the surface of the coating material and forms a two-layer composite structure with the coating material.
The invention also provides a preparation method of the novel wire joint sealing material, which comprises the following steps:
step 1: weighing each component of the coating material according to a formula, mixing and heating sodium-based clay, a clay additive, epoxy resin, polyurethane, organic silicon, a propylene elastomer and polytetrafluoroethylene, and then uniformly stirring to obtain the coating material;
step 2: uniformly coating a coating layer material on the coating layer material, and then heating and baking to obtain a composite material;
and step 3: and cutting, winding and bagging the obtained composite material to obtain the wire joint sealing material.
Preferably, the heating temperature in the step 1 is 40 to 50 ℃.
Preferably, in step 2, the coating material is uniformly coated on the coating material by using a coater.
Preferably, the temperature for heating and baking in step 3 is 100 ℃ to 120 ℃.
Compared with the prior art, the invention has the beneficial effects that: according to the novel wire joint sealing material, the sodium-based clay is used as the coating layer material of the main ingredients, so that the coating layer material has the characteristic of being capable of expanding when meeting water, secondary sealing can be achieved, the sealing effect is better, epoxy resin, polyurethane, organic silicon, a propylene elastomer and polytetrafluoroethylene which are used as ingredients are added into the coating layer material, so that the coating layer material is better in elasticity and stronger in viscosity, the coating layer material used for coating the coating layer material is also arranged, and the coating layer material is made of non-woven fabrics, so that the overall structural strength of the sealing material is more stable, the anti-tearing capacity is stronger, and the service life is longer.
Drawings
FIG. 1 is a flow chart of a method for preparing a novel wire bond sealing material of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
The embodiment provides a technical scheme: a novel wire joint sealing material comprises a coating layer material and a coating layer material which are compounded with each other.
The coating layer material comprises the following components in parts by weight: 45 parts of sodium-based clay, 5 parts of clay additive, 15 parts of epoxy resin, 7 parts of polyurethane, 5 parts of organic silicon, 5 parts of propylene-ethylene elastomer and 13 parts of polytetrafluoroethylene. The coating layer material is non-woven fabric, and the coating layer material is uniformly coated on the surface of the coating layer material and forms a double-layer composite structure with the coating layer material.
Wherein, the clay additive comprises the following components in parts by weight according to 100 parts by weight of the clay additive: 18 parts of polyacrylamide, 12 parts of potassium aluminum sulfate, 70 parts of calcium magnesium chloride and 10 parts of sodium fluosilicate.
The sodium-based clay is also called bentonite, is water-containing clay mineral mainly made of montmorillonite, has a plurality of special properties such as swelling property, cohesiveness, adsorbability, catalysis property, thixotropy, suspension property and cation exchange property, has strong hygroscopicity and expansibility, can adsorb water with volume being 8-15 times of the volume of the clay, and can expand the volume by several times to 30 times; can be dispersed into a gelatinous state and a suspended state in an aqueous medium, and the medium solution has certain viscosity, denaturation and lubricity; has stronger cation exchange capacity; the adsorption capacity for various gases, liquids and organic substances is certain, and the maximum adsorption capacity can reach 5 times of the self weight; the admixture of the high-performance water-based adhesive and water, mud or fine sand has plasticity and cohesiveness; surface active acidic bleaching earths are capable of adsorbing colored ions. Therefore, the coating layer material has the characteristic of water swelling, so that when water in the pipe leaks to the threaded position and meets the sealing material, the sealing effect can be further improved through the water swelling of the coating layer material, and the leakage is avoided.
The epoxy resin is a generic name of a polymer having two or more epoxy groups in a molecule. It is a polycondensation product of epichlorohydrin and bisphenol A or a polyol. Because of the chemical activity of the epoxy group, a plurality of compounds containing active hydrogen can be used for ring opening, curing and crosslinking to generate a network structure, so that the epoxy resin is a thermosetting resin, and a curing agent with the weight ratio of 1:2 to the epoxy resin is also added into the epoxy resin. The epoxy resin can increase the mixing effect among all ingredients, and the viscosity and the adhesive force of the coating material are also improved, so that the coating is more convenient.
Ingredients in the clay additive react with each other to generate a multi-element complex and calcium hydroxide precipitated by hydration of silicate minerals to generate a plurality of calcium salts, and further generate calcium chlorosilicate, calcium chloroaluminate and calcium sulfoaluminate crystals, so that the compactness is further improved, the high waterproofness is achieved, and the calcium chlorosilicate, calcium chloroaluminate and calcium sulfoaluminate crystals are further generated, the compactness is further improved, and the high waterproofness is achieved
The soft polyurethane mainly has a thermoplastic linear structure, and has better stability, chemical resistance, rebound resilience and mechanical property and smaller compression deformability than a PVC foaming material. The polyurethane elastomer has the advantages of good heat insulation, sound insulation, shock resistance and gas defense properties, is used as a packaging, sound insulation and filtering material, has the performance of the polyurethane elastomer between plastic and rubber, is oil-resistant, wear-resistant, low-temperature resistant, aging-resistant, high in hardness and elastic, can be used for manufacturing an adhesive, and can further improve the viscosity and adhesive force of a coating material by adding the polyurethane.
The organic silicon has the performance of inorganic materials and organic materials, has the basic properties of low surface tension, small viscosity-temperature coefficient, high compressibility, high gas permeability and the like, has the excellent characteristics of high and low temperature resistance, electrical insulation, oxidation resistance stability, weather resistance, flame retardancy, hydrophobicity, corrosion resistance, no toxicity, no odor, physiological inertia and the like, and is safe to process, wherein the organic silicon is mainly applied to sealing, adhesion, defoaming, foam inhibition, water resistance and moisture resistance, and the structural performance of a coating layer material can be effectively improved by adding the organic silicon.
The styrene-based block copolymer-type thermoplastic elastomer is the thermoplastic elastomer which is researched at the earliest time, and is the thermoplastic elastomer which has the largest yield and the fastest development in the world at present. From an application point of view, styrenic thermoplastic elastomers behave at room temperature like vulcanized rubbers, and in addition have an exceptionally high modulus of elasticity and do not vary with the relative molecular mass. The styrene thermoplastic elastomer has the characteristics of high strength, softness, rubber elasticity and small permanent deformation.
The polytetrafluoroethylene is a polymer polymerized by tetrafluoroethylene monomers, is a transparent or opaque wax similar to PE, has the density of 2.2g/cm3, the water absorption rate of less than 0.01 percent, has excellent chemical corrosion resistance, can bear all strong acids except molten alkali metal, fluorinated medium and sodium hydroxide at the temperature of more than 300 ℃, and can act as a strong oxidant, a reducing agent and various organic solvents, has good mechanical properties, the tensile strength of 21-28 MPa, the bending strength of 11-14 MPa, the elongation of 250-300 percent, the dynamic and static friction coefficients of steel of 0.04 and are smaller than those of nylon, polyformaldehyde and polyester plastics.
The non-woven fabric is formed by oriented or random fibers, has the characteristics of light weight, softness, water repellency and air permeability, and also has the characteristics of porosity, good air permeability, high temperature resistance and strong tensile resistance, and the coating layer material can be tightly bonded with the non-woven fabric and is firmly connected.
Then preparing the wire joint sealing material according to the following steps: .
Step 1: weighing each component of the clay additive according to a formula, stirring and mixing uniformly to obtain the clay additive, then weighing each component of the coating layer material according to the formula, mixing and heating sodium-based clay, the clay additive, epoxy resin, polyurethane, organic silicon, a propylene elastomer and polytetrafluoroethylene at the heating temperature of 40-50 ℃, and then stirring uniformly to obtain the coating layer material.
Step 2: and uniformly coating the coating layer material on the coating layer material by adopting a coating machine, and then heating and baking at the temperature of 100-120 ℃ to obtain the composite material.
And step 3: cutting the obtained composite material into required size, and then winding, bagging and boxing to obtain the wire joint sealing material.
The novel wire joint sealing material is characterized in that sodium-based clay is arranged as a coating layer material of main ingredients, so that the coating layer material has the characteristic of being capable of expanding when meeting water, secondary sealing can be achieved, the sealing effect is better, epoxy resin, polyurethane, organic silicon, a propylene elastomer and polytetrafluoroethylene which serve as ingredients are arranged in the coating layer material, so that the coating layer material is better in elasticity and stronger in viscosity, a coating layer material used for coating the coating layer material is further arranged, the coating layer material is made of non-woven fabrics, the overall structural strength of the sealing material is more stable, the anti-tearing capacity is stronger, and the service life is longer.
The wire joint sealing material can achieve the omnibearing sealing effect, the coating layer has the characteristic of water swelling, the effect of sealing twice can be achieved, the product use method is simple, the national standard 4-6 wire joint can bear the pressure of more than 16KG only by 3-4 circles, the wire joint sealing material can be applied to fire fighting, acid-base solution, oil ways, compressed air and natural gas pipeline transmission, and the material is non-toxic, environment-friendly, degradable and edible. The sealing tape made of the thread sealing material is 6-10 times of the thread outlet rate of the common raw material tape in the market, solves the problem that the anaerobic adhesive does not react with oil media, is suitable for the thread connection of various materials, can be immediately pressed and delivered after being used, and solves the problem that the anaerobic adhesive can be pressed after 24-48 hours. Solves the problems of difficult use, unattractive appearance, difficult use technique and the like of the hemp thread.
Example two
The embodiment provides a technical scheme: a novel wire joint sealing material comprises a coating layer material and a coating layer material which are compounded with each other.
The coating layer material comprises the following components in parts by weight: 40 parts of sodium-based clay, 5 parts of clay additive, 15 parts of epoxy resin, 7 parts of polyurethane, 5 parts of organic silicon, 8 parts of propylene-ethylene elastomer and 15 parts of polytetrafluoroethylene. The coating layer material is non-woven fabric, and the coating layer material is uniformly coated on the surface of the coating layer material and forms a double-layer composite structure with the coating layer material.
Wherein, the clay additive comprises the following components in parts by weight according to 100 parts by weight of the clay additive: 18 parts of polyacrylamide, 12 parts of potassium aluminum sulfate, 70 parts of calcium magnesium chloride and 10 parts of sodium fluosilicate.
Then preparing the wire joint sealing material according to the following steps:
step 1: weighing each component of the clay additive according to a formula, stirring and mixing uniformly to obtain the clay additive, then weighing each component of the coating layer material according to the formula, mixing and heating sodium-based clay, the clay additive, epoxy resin, polyurethane, organic silicon, a propylene elastomer and polytetrafluoroethylene at the heating temperature of 40-50 ℃, and then stirring uniformly to obtain the coating layer material.
Step 2: and uniformly coating the coating layer material on the coating layer material by adopting a coating machine, and then heating and baking at the temperature of 100-120 ℃ to obtain the composite material.
And step 3: cutting the obtained composite material into required size, and then winding, bagging and boxing to obtain the wire joint sealing material.
EXAMPLE III
The embodiment provides a technical scheme: a novel wire joint sealing material comprises a coating layer material and a coating layer material which are compounded with each other.
The coating layer material comprises the following components in parts by weight: 60 parts of sodium-based clay, 2 parts of clay additive, 10 parts of epoxy resin, 5 parts of polyurethane, 5 parts of organic silicon, 5 parts of propylene-ethylene elastomer and 12 parts of polytetrafluoroethylene. The coating layer material is non-woven fabric, and the coating layer material is uniformly coated on the surface of the coating layer material and forms a double-layer composite structure with the coating layer material.
Wherein, the clay additive comprises the following components in parts by weight according to 100 parts by weight of the clay additive: 18 parts of polyacrylamide, 12 parts of potassium aluminum sulfate, 70 parts of calcium magnesium chloride and 10 parts of sodium fluosilicate.
Then preparing the wire joint sealing material according to the following steps: .
Step 1: weighing each component of the clay additive according to a formula, stirring and mixing uniformly to obtain the clay additive, then weighing each component of the coating layer material according to the formula, mixing and heating sodium-based clay, the clay additive, epoxy resin, polyurethane, organic silicon, a propylene elastomer and polytetrafluoroethylene at the heating temperature of 40-50 ℃, and then stirring uniformly to obtain the coating layer material.
Step 2: and uniformly coating the coating layer material on the coating layer material by adopting a coating machine, and then heating and baking at the temperature of 100-120 ℃ to obtain the composite material.
And step 3: cutting the obtained composite material into required size, and then winding, bagging and boxing to obtain the wire joint sealing material.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A novel wire joint sealing material is characterized in that: the sealing material comprises a coating layer material and a coating layer material which are compounded with each other;
the coating layer material comprises the following components in parts by weight: 40-60 parts of sodium-based clay, 2-5 parts of clay additive, 10-20 parts of epoxy resin, 5-10 parts of polyurethane, 5-10 parts of organic silicon, 5-8 parts of propylene-ethylene elastomer and 12-15 parts of polytetrafluoroethylene;
the coated layer is made of non-woven fabric.
2. A novel wirebond sealing material according to claim 1, wherein: the coating layer material comprises the following components in parts by weight: 45 parts of sodium-based clay, 5 parts of clay additive, 15 parts of epoxy resin, 7 parts of polyurethane, 5 parts of organic silicon, 5 parts of propylene-ethylene elastomer and 13 parts of polytetrafluoroethylene.
3. A novel wirebond sealing material according to claim 1, wherein: the clay additive comprises the following components in parts by weight: 15-20 parts of polyacrylamide, 12-15 parts of potassium aluminum sulfate, 65-75 parts of calcium magnesium chloride and 10-15 parts of sodium fluosilicate.
4. A novel wirebond sealing material according to claim 3, wherein: the clay additive comprises the following components in parts by weight: 18 parts of polyacrylamide, 12 parts of potassium aluminum sulfate, 70 parts of calcium magnesium chloride and 10 parts of sodium fluosilicate.
5. A novel wirebond sealing material according to claim 1, wherein: the coating layer material is uniformly coated on the surface of the coating layer material and forms a double-layer composite structure with the coating layer material.
6. A method for preparing a novel sealing material for wire joints according to claims 1 to 5, wherein: the preparation method comprises the following steps:
step 1: weighing each component of the coating material according to a formula, mixing and heating sodium-based clay, a clay additive, epoxy resin, polyurethane, organic silicon, a propylene elastomer and polytetrafluoroethylene, and then uniformly stirring to obtain the coating material;
step 2: uniformly coating a coating layer material on the coating layer material, and then heating and baking to obtain a composite material;
and step 3: and cutting, winding and bagging the obtained composite material to obtain the wire joint sealing material.
7. The method for preparing a novel sealing material for wire bonding according to claim 6, wherein the method comprises the following steps: the heating temperature in step 1 is 40 ℃ to 50 ℃.
8. The method for preparing a novel sealing material for wire bonding according to claim 6, wherein the method comprises the following steps: and 2, uniformly coating the coating layer material on the coating layer material by using a coating machine.
9. The method for preparing a novel sealing material for wire bonding according to claim 6, wherein the method comprises the following steps: the temperature for heating and baking in the step 3 is 100 ℃ to 120 ℃.
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| CN201911153944.1A CN110924176A (en) | 2019-11-22 | 2019-11-22 | Novel wire joint sealing material |
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| CN201911153944.1A CN110924176A (en) | 2019-11-22 | 2019-11-22 | Novel wire joint sealing material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576824A (en) * | 2020-12-30 | 2021-03-30 | 烟台裕恒化工材料有限公司 | Linear sealing tape and manufacturing method |
| CN113214789A (en) * | 2021-05-31 | 2021-08-06 | 武汉魔带新材料有限公司 | Novel sealing material for threaded pipe connection |
| CN113215833A (en) * | 2021-06-18 | 2021-08-06 | 汪晓东 | Moisture-keeping antirust oil sealing tape |
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| CN112576824A (en) * | 2020-12-30 | 2021-03-30 | 烟台裕恒化工材料有限公司 | Linear sealing tape and manufacturing method |
| CN112576824B (en) * | 2020-12-30 | 2022-09-20 | 烟台裕恒化工材料有限公司 | Linear sealing tape and manufacturing method |
| CN113214789A (en) * | 2021-05-31 | 2021-08-06 | 武汉魔带新材料有限公司 | Novel sealing material for threaded pipe connection |
| CN113215833A (en) * | 2021-06-18 | 2021-08-06 | 汪晓东 | Moisture-keeping antirust oil sealing tape |
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