High-weather-resistance elastomer on surface of wire rod and preparation method of high-weather-resistance elastomer

Abstract

The invention relates to the technical field of elastomers on the surfaces of wires, and discloses a high-weather-resistance elastomer on the surface of a wire, which is prepared from the following components in parts by weight: 10-30 parts of polyethylene and propylene; 25 to 50 parts of a hydrogenated styrene-butadiene-styrene block copolymer; 10 to 30 parts of white mineral oil; 5 to 15 parts of ethylene-acrylic acid olefin copolymer; 0.1 to 5 parts of a copper-resistant harm-resistant agent; and 2-5 parts of polymer silicone master batch. According to the invention, the adhesion degree and the fineness of the surface of a coating material are greatly improved, and the tensile strength and the abrasion resistance are also greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of wire surface elastomers, in particular to a highly weather-resistant elastomer on the surface of a wire and a preparation method thereof. Background Art

[0002] With the increasing application of artificial intelligence and new energy, the use of elastomer wires in industry and daily life is also increasing, and the requirements for the use of wires are getting higher and higher. Wires made of different materials are also uneven. Nowadays, elastomer wires are increasingly used in various environments. For example, the use of elastomer wires in telecommunications equipment, electronic equipment and artificial intelligence has increased dramatically, but there are many problems with existing materials;

[0003] When used in relatively harsh environments, it becomes non-wear-resistant, and its low tensile strength causes it to crack easily. When used in high and low temperature environments, it will affect performance loss. Summary of the invention

[0004] Technical issues solved

[0005] In view of the deficiencies in the prior art, the present invention provides a highly weather-resistant elastomer on the surface of a wire and a preparation method thereof.

[0006] Technical Solution

[0007] To achieve the above object, the present invention provides the following technical solution: a highly weather-resistant elastomer on the surface of a wire, comprising the following components by weight:

[0008] Polyethylene, propylene: 10-30 parts;

[0009] Hydrogenated styrene-butadiene-styrene block copolymer: 25-50 parts;

[0010] White mineral oil: 10-30 parts;

[0011] Ethylene-acrylic acid olefin copolymer: 5-15 parts;

[0012] Anti-copper harm resistant agent: 0.1-5 parts;

[0013] Polymer silicone masterbatch: 2-5 parts.

[0014] Preferably, the polyethylene (PE) and polypropylene (PP) used are both thermoplastic polymers, and the molecular structures of polyethylene and polypropylene are both linear, consisting of carbon and hydrogen atoms.

[0015] Preferably, the hydrogenated styrene-butadiene-styrene block copolymer used is a polymer formed by copolymerization of styrene, butadiene and hydrogenated styrene blocks, and has the characteristics of thermal stability, weather resistance, chemical corrosion resistance and mechanical strength.

[0016] Preferably, the white mineral oil used is a colorless and odorless petroleum byproduct obtained during the distillation of light fractions during crude oil refining, also known as mineral oil, and has the physical properties of low viscosity, odorlessness, non-toxicity, low volatility and chemical inertness.

[0017] Preferably, the ethylene-acrylic acid olefin copolymer used is a thermoplastic polymer material, usually abbreviated as EPA or EPA copolymer, which is made by copolymerization of monomers such as ethylene and acrylic acid, wherein the acrylic acid can be partially neutralized during the copolymerization reaction to form a negative charge, thereby giving the EPA copolymer good water absorption and ion exchange capacity.

[0018] Preferably, the anti-copper harm-resistant agent used usually works through mechanisms such as adsorption, neutralization, barrier, and stripping, and different types and compositions of anti-copper harm-resistant agents can be selected for different copper products and use environments.

[0019] Preferably, the polymer silicone masterbatch used is a masterbatch material made of polymer silicone as the main raw material, which has heat resistance, cold resistance and oxidation resistance, and also has good mechanical strength and electrical insulation properties.

[0020] A highly weather-resistant elastomer on the surface of a wire, the preparation method is as follows:

[0021] S1. In a reaction kettle, polyethylene and polypropylene are added, mixed in a ratio of 10-30 parts, and fully mixed under high-speed stirring to obtain material A;

[0022] S2. In another reaction kettle, hydrogenated styrene, butadiene and styrene block copolymer are mixed in a ratio of 25-50 parts, and fully mixed under high-speed stirring to obtain material B;

[0023] S3, mixing material A and material B in a certain proportion, adding 10-30 parts of white mineral oil and stirring thoroughly to obtain material C;

[0024] S4: gradually adding 5-15 parts of ethylene-acrylic acid olefin copolymer to material C and stirring and mixing to obtain material D;

[0025] S5: Add 0.1-5 parts of the anti-copper and anti-harm agent to material D, and mix thoroughly under high-speed stirring;

[0026] S6: Finally, add 2-5 parts of high molecular weight silicone masterbatch and continue to stir and mix;

[0027] S7: Pour the mixed material into the mold and solidify it at a certain temperature and time. Take out the mold and cut it into the required wire length. Test and check the quality of the wire. After confirming that it meets the requirements, package and store it.

[0028] Preferably, pigments or fluorescent agents can be added in S6 to increase the color or visibility of the wire, antistatic agents can be added to prevent static electricity accumulation, mildew inhibitors can be added to prevent mildew, and thickeners can be added to increase the viscosity of the wire.

[0029] Beneficial Effects

[0030] The present invention provides a highly weather-resistant elastomer on the surface of a wire and a preparation method thereof, which has the following beneficial effects:

[0031] 1. The softness, weather resistance and wear resistance of the finished product after coating have been significantly improved compared with before.

[0032] 2. It greatly improves the smoothness and weather resistance of the wire after it is used in water. It does not affect the floating rate of the product itself in water and the functionality of daily use. It also solves the problem that the previous products lose the smoothness and poor weather resistance of the surface after being used in water for a period of time or after a long period of daily use.

[0033] 3. The thermal stability, weather resistance and UV resistance of the finished product are significantly improved, effectively reducing the cost of use and increasing the service life. DETAILED DESCRIPTION

[0034] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present invention.

[0035] Further illustrate a technical solution provided by the present invention:

[0036] Example 1

[0037] A highly weather-resistant elastomer on the surface of a wire, comprising the following components by weight:

[0038] Polyethylene, propylene: 10 parts;

[0039] Hydrogenated styrene-butadiene-styrene block copolymer: 25 parts;

[0040] White mineral oil: 10 parts;

[0041] Ethylene-acrylic acid olefin copolymer: 5 parts;

[0042] Anti-copper harm resistant agent: 0.1 part;

[0043] Polymer silicone masterbatch: 2 parts.

[0044] In an optional embodiment, the polyethylene (PE) and polypropylene (PP) used are both thermoplastic polymers, and the molecular structures of polyethylene and polypropylene are both linear, consisting of carbon and hydrogen atoms.

[0045] In an optional embodiment, the hydrogenated styrene-butadiene-styrene block copolymer used is a polymer formed by copolymerization of styrene, butadiene and hydrogenated styrene blocks, and has the characteristics of thermal stability, weather resistance, chemical corrosion resistance and mechanical strength.

[0046] In an optional embodiment, the white mineral oil used is a colorless and odorless petroleum by-product obtained during the distillation of light fractions during crude oil refining, also known as mineral oil, and its physical properties include low viscosity, odorlessness, non-toxicity, low volatility and chemical inertness.

[0047] In an optional embodiment, the ethylene-acrylic acid olefin copolymer used is a thermoplastic polymer material, usually abbreviated as EPA or EPA copolymer, which is made by copolymerization of monomers such as ethylene and acrylic acid, wherein the acrylic acid can be partially neutralized during the copolymerization process to form a negative charge, thereby giving the EPA copolymer good water absorption and ion exchange capacity.

[0048] In an optional embodiment, the anti-copper harm-resistant agent used generally works through mechanisms such as adsorption, neutralization, barrier, and stripping, and anti-copper harm-resistant agents of different types and compositions can be selected for different copper products and use environments.

[0049] In an optional embodiment, the polymer silicone masterbatch used is a masterbatch material made of polymer silicone as the main raw material, which has heat resistance, cold resistance and oxidation resistance, and also has good mechanical strength and electrical insulation properties.

[0050] A highly weather-resistant elastomer on the surface of a wire, the preparation method is as follows:

[0051] S1. In a reaction kettle, polyethylene and polypropylene are added, mixed in a ratio of 10 parts, and fully mixed under high-speed stirring to obtain material A;

[0052] S2. In another reaction kettle, hydrogenated styrene, butadiene and styrene block copolymer are mixed in a ratio of 25 parts and fully mixed under high-speed stirring to obtain material B;

[0053] S3, mixing material A and material B in a certain proportion, adding 10 parts of white mineral oil and stirring thoroughly to obtain material C;

[0054] S4: gradually add 5 parts of ethylene-acrylic acid olefin copolymer to material C and stir to mix, to obtain material D;

[0055] S5: Add 0.1 parts of the copper-resistant agent to material D and mix thoroughly under high-speed stirring;

[0056] S6: Finally, add 2 parts of high molecular weight silicone masterbatch and continue to stir and mix;

[0057] S7: Pour the mixed material into the mold and solidify it at a certain temperature and time. Take out the mold and cut it into the required wire length. Test and check the quality of the wire. After confirming that it meets the requirements, package and store it.

[0058] In an optional embodiment, in S6, a pigment or fluorescent agent can be added to increase the color or visibility of the wire, an antistatic agent can be added to prevent static electricity accumulation, an antifungal agent can be added to prevent mildew, and a thickener can be added to increase the viscosity of the wire.

[0059] Example 2

[0060] A highly weather-resistant elastomer on the surface of a wire, comprising the following components by weight:

[0061] Polyethylene, propylene: 20 parts;

[0062] Hydrogenated styrene-butadiene-styrene block copolymer: 35 parts;

[0063] White mineral oil: 20 parts;

[0064] Ethylene-acrylic acid olefin copolymer: 10 parts;

[0065] Anti-copper harm resistant agent: 3 parts;

[0066] Polymer silicone masterbatch: 3 parts.

[0067] In an optional embodiment, the polyethylene (PE) and polypropylene (PP) used are both thermoplastic polymers, and the molecular structures of polyethylene and polypropylene are both linear, consisting of carbon and hydrogen atoms.

[0068] In an optional embodiment, the hydrogenated styrene-butadiene-styrene block copolymer used is a polymer formed by copolymerization of styrene, butadiene and hydrogenated styrene blocks, and has the characteristics of thermal stability, weather resistance, chemical corrosion resistance and mechanical strength.

[0069] In an optional embodiment, the white mineral oil used is a colorless and odorless petroleum by-product obtained during the distillation of light fractions during crude oil refining, also known as mineral oil, and its physical properties include low viscosity, odorlessness, non-toxicity, low volatility and chemical inertness.

[0070] In an optional embodiment, the ethylene-acrylic acid olefin copolymer used is a thermoplastic polymer material, usually abbreviated as EPA or EPA copolymer, which is made by copolymerization of monomers such as ethylene and acrylic acid, wherein the acrylic acid can be partially neutralized during the copolymerization process to form a negative charge, thereby giving the EPA copolymer good water absorption and ion exchange capacity.

[0071] In an optional embodiment, the anti-copper harm-resistant agent used generally works through mechanisms such as adsorption, neutralization, barrier, and stripping, and anti-copper harm-resistant agents of different types and compositions can be selected for different copper products and use environments.

[0072] In an optional embodiment, the polymer silicone masterbatch used is a masterbatch material made of polymer silicone as the main raw material, which has heat resistance, cold resistance and oxidation resistance, and also has good mechanical strength and electrical insulation properties.

[0073] A highly weather-resistant elastomer on the surface of a wire, the preparation method is as follows:

[0074] S1. In a reaction kettle, polyethylene and polypropylene are added, mixed in a ratio of 20 parts, and fully mixed under high-speed stirring to obtain material A;

[0075] S2. In another reaction kettle, hydrogenated styrene, butadiene and styrene block copolymer are mixed in a ratio of 3:5 and fully mixed under high-speed stirring to obtain material B;

[0076] S3, mixing material A and material B in a certain proportion, adding 20 parts of white mineral oil and stirring thoroughly to obtain material C;

[0077] S4: gradually adding 10 parts of ethylene-acrylic acid olefin copolymer to material C and stirring and mixing to obtain material D;

[0078] S5: Add the copper resistant agent to material D in a ratio of 3 parts and mix thoroughly under high-speed stirring;

[0079] S6: Finally, add 3 parts of high molecular weight silicone masterbatch and continue to stir and mix;

[0080] S7: Pour the mixed material into the mold and solidify it at a certain temperature and time. Take out the mold and cut it into the required wire length. Test and check the quality of the wire. After confirming that it meets the requirements, package and store it.

[0081] In an optional embodiment, in S6, a pigment or fluorescent agent can be added to increase the color or visibility of the wire, an antistatic agent can be added to prevent static electricity accumulation, an antifungal agent can be added to prevent mildew, and a thickener can be added to increase the viscosity of the wire.

[0082] Example 3

[0083] A highly weather-resistant elastomer on the surface of a wire, comprising the following components by weight:

[0084] Polyethylene, propylene: 30 parts;

[0085] Hydrogenated styrene-butadiene-styrene block copolymer: 50 parts;

[0086] White mineral oil: 30 parts;

[0087] Ethylene-acrylic acid olefin copolymer: 15 parts;

[0088] Anti-copper harm resistant agent: 5 parts;

[0089] Polymer silicone masterbatch: 5 parts.

[0090] In an optional embodiment, the polyethylene (PE) and polypropylene (PP) used are both thermoplastic polymers, and the molecular structures of polyethylene and polypropylene are both linear, consisting of carbon and hydrogen atoms.

[0091] In an optional embodiment, the hydrogenated styrene-butadiene-styrene block copolymer used is a polymer formed by copolymerization of styrene, butadiene and hydrogenated styrene blocks, and has the characteristics of thermal stability, weather resistance, chemical corrosion resistance and mechanical strength.

[0092] In an optional embodiment, the white mineral oil used is a colorless and odorless petroleum by-product obtained during the distillation of light fractions during crude oil refining, also known as mineral oil, and its physical properties include low viscosity, odorlessness, non-toxicity, low volatility and chemical inertness.

[0093] In an optional embodiment, the ethylene-acrylic acid olefin copolymer used is a thermoplastic polymer material, usually abbreviated as EPA or EPA copolymer, which is made by copolymerization of monomers such as ethylene and acrylic acid, wherein the acrylic acid can be partially neutralized during the copolymerization process to form a negative charge, thereby giving the EPA copolymer good water absorption and ion exchange capacity.

[0094] In an optional embodiment, the anti-copper harm-resistant agent used generally works through mechanisms such as adsorption, neutralization, barrier, and stripping, and anti-copper harm-resistant agents of different types and compositions can be selected for different copper products and use environments.

[0095] In an optional embodiment, the polymer silicone masterbatch used is a masterbatch material made of polymer silicone as the main raw material, which has heat resistance, cold resistance and oxidation resistance, and also has good mechanical strength and electrical insulation properties.

[0096] A highly weather-resistant elastomer on the surface of a wire, the preparation method is as follows:

[0097] S1. In a reaction kettle, polyethylene and polypropylene are added, mixed in a ratio of 30 parts, and fully mixed under high-speed stirring to obtain material A;

[0098] S2. In another reaction kettle, hydrogenated styrene, butadiene and styrene block copolymer are mixed in a ratio of 50 parts and fully mixed under high-speed stirring to obtain material B;

[0099] S3, mixing material A and material B in a certain proportion, adding 30 parts of white mineral oil and stirring thoroughly to obtain material C;

[0100] S4: gradually add 15 parts of ethylene-acrylic acid olefin copolymer to material C and stir to mix, to obtain material D;

[0101] S5: Add the copper resistant agent to material D in a ratio of 5 parts, and mix thoroughly under high-speed stirring;

[0102] S6: Finally, add 5 parts of high molecular weight silicone masterbatch and continue to stir and mix;

[0103] S7: Pour the mixed material into the mold and solidify it at a certain temperature and time. Take out the mold and cut it into the required wire length. Test and check the quality of the wire. After confirming that it meets the requirements, package and store it.

[0104] In an optional embodiment, in S6, a pigment or fluorescent agent can be added to increase the color or visibility of the wire, an antistatic agent can be added to prevent static electricity accumulation, an antifungal agent can be added to prevent mildew, and a thickener can be added to increase the viscosity of the wire.

[0105] In an optional embodiment, this formulation needs to be made by a twin-screw extruder, and the specific setting parameters are as follows:

[0106] Zone 1: 175℃~185℃

[0107] Zone 2: 190℃~195℃

[0108] Zone 3: 200℃~205℃

[0109] Zone 4: 205℃~210℃

[0110] Zone 5: 205℃~210℃

[0111] Zone 6: 205℃~210℃

[0112] Zone 7: 210℃~200℃

[0113] Zone 8: 200℃~195℃

[0114] Zone 9: 200℃~195℃

[0115] Zone 10: 200℃~195℃

[0116] Zone 11: 200℃~195℃

[0117] Zone 12: 200℃~195℃.

[0118] The finished products of Example 1, Example 2 and Example 3 were selected for performance testing, and the results are as follows:

[0119]

[0120] In summary, through the actual preparation of the above three embodiments, compared with the current ones, the adhesion of the coating material surface and the surface fineness are greatly improved, and the tensile strength and wear resistance are also greatly increased, which can well protect the inner layer of the material when used in high and low temperature environments.

[0121] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0122] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A highly weather-resistant elastomer on the surface of a wire, characterized in that: The components are as follows by weight: Polyethylene, propylene: 10-30 parts; Hydrogenated styrene-butadiene-styrene block copolymer: 25-50 parts; White mineral oil: 10-30 parts; Ethylene-acrylic acid olefin copolymer: 5-15 parts; Anti-copper and anti-harm agent: 0.1-5 parts; Polymer silicone masterbatch: 2-5 parts.

2. The highly weather-resistant elastomer on the surface of a wire material according to claim 1, characterized in that: The polyethylene (PE) and polypropylene (PP) used are both thermoplastic polymers. The molecular structures of polyethylene and polypropylene are linear and consist of carbon and hydrogen atoms.

3. The highly weather-resistant elastomer on the surface of a wire material according to claim 1, characterized in that: The hydrogenated styrene-butadiene-styrene block copolymer used is a polymer formed by copolymerization of styrene, butadiene and hydrogenated styrene blocks, and has the characteristics of thermal stability, weather resistance, chemical corrosion resistance and mechanical strength.

4. The highly weather-resistant elastomer on the surface of a wire material according to claim 1, characterized in that: The white mineral oil used is a colorless and odorless petroleum by-product obtained during the distillation of light fractions during crude oil refining. It is also called mineral oil. Its physical properties include low viscosity, odorlessness, non-toxicity, low volatility and chemical inertness.

5. The highly weather-resistant elastomer on the surface of a wire material according to claim 1, characterized in that: The ethylene-acrylic acid olefin copolymer used is a thermoplastic polymer material, usually abbreviated as EPA or EPA copolymer. It is made by copolymerization of monomers such as ethylene and acrylic acid. The acrylic acid can be partially neutralized during the copolymerization process to form a negative charge, thereby giving the EPA copolymer good water absorption and ion exchange capacity.

6. The highly weather-resistant elastomer on the surface of a wire material according to claim 1, characterized in that: The anti-copper harm-resistant agent used usually works through mechanisms such as adsorption, neutralization, barrier, and stripping, and different types and compositions of anti-copper harm-resistant agents can be selected for different copper products and usage environments.

7. The highly weather-resistant elastomer on the surface of a wire material according to claim 1, characterized in that: The polymer silicone masterbatch used is a masterbatch material made of polymer silicone as the main raw material. It has heat resistance, cold resistance and oxidation resistance, and also has good mechanical strength and electrical insulation properties.

8. The highly weather-resistant elastomer on the surface of a wire material according to claim 1, characterized in that: The preparation method is as follows: S1. In a reaction kettle, polyethylene and polypropylene are added, mixed in a ratio of 10-30 parts, and fully mixed under high-speed stirring to obtain material A; S2. In another reaction kettle, hydrogenated styrene, butadiene and styrene block copolymer are mixed in a ratio of 25-50 parts, and fully mixed under high-speed stirring to obtain material B; S3, mixing material A and material B in a certain proportion, adding 10-30 parts of white mineral oil and stirring thoroughly to obtain material C; S4: gradually adding 5-15 parts of ethylene-acrylic acid olefin copolymer to material C and stirring and mixing to obtain material D; S5: Add 0.1-5 parts of the anti-copper and anti-harm agent to material D, and mix thoroughly under high-speed stirring; S6: Finally, add 2-5 parts of high molecular weight silicone masterbatch and continue to stir and mix; S7: Pour the mixed material into the mold and solidify it at a certain temperature and time. Take out the mold and cut it into the required wire length. Test and check the quality of the wire. After confirming that it meets the requirements, package and store it.

9. The method for preparing a highly weather-resistant elastomer on the surface of a wire material according to claim 8, characterized in that: Pigments or fluorescent agents can be added to S6 to increase the color or visibility of the wire, antistatic agents can be added to prevent static electricity accumulation, mildew inhibitors can be added to prevent mildew, and thickeners can be added to increase the viscosity of the wire.

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