CN111138837A - Single-component high-yellowing-resistance modified rubber treating agent and preparation method thereof - Google Patents
Single-component high-yellowing-resistance modified rubber treating agent and preparation method thereof Download PDFInfo
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- CN111138837A CN111138837A CN202010035377.6A CN202010035377A CN111138837A CN 111138837 A CN111138837 A CN 111138837A CN 202010035377 A CN202010035377 A CN 202010035377A CN 111138837 A CN111138837 A CN 111138837A
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Silicates, Zeolites, And Molecular Sieves (AREA)
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Abstract
The invention discloses a single-component high-yellowing-resistance modified rubber treating agent which comprises the following raw materials in parts by weight: 33-47 parts of polyurethane resin, 13-22 parts of amino resin, 15-22 parts of zeolite, 9-14 parts of vinyl bis stearamide, 11-19 parts of carboxymethyl chitosan, 4-11 parts of glycerol, 2-7 parts of polymethylphenylsiloxane, 1.5-3.9 parts of ethoxylated aliphatic alkylamine and 0.5-1.9 parts of antioxidant. The single-component high yellowing resistance modified rubber treatment agent disclosed by the invention is prepared from reasonable raw materials, can effectively act on rubber under the synergistic effect of the components, obviously improves the yellowing resistance of the rubber, and has higher practical value and market value.
Description
Technical Field
The invention relates to the field of materials, and particularly relates to a single-component high-yellowing-resistance modified rubber treating agent and a preparation method thereof.
Background
Rubber (Rubber) is a high-elasticity polymer material with reversible deformation, is rich in elasticity at room temperature, can generate large deformation under the action of small external force, and can recover the original shape after the external force is removed. Rubber is a completely amorphous polymer with a low glass transition temperature (T g) and a molecular weight that is often very high, greater than several hundred thousand.
Early rubbers were latex from plants such as hevea brasiliensis, etc. processed to make elastic, insulative, impermeable to water and air. Is a high-elasticity polymer compound. The rubber is divided into natural rubber and synthetic rubber. The natural rubber is prepared by extracting colloid from plants such as rubber tree and rubber grass and processing; synthetic rubbers are obtained by polymerization of various monomers. Rubber products are widely used in industry or in various aspects of life.
With the development of material science, various types of rubber slowly appear to meet different process requirements, but the existing rubber monomers have poor performance, especially the yellowing resistance is not ideal, and therefore certain treatment is required.
Disclosure of Invention
The invention aims to provide a single-component high-yellowing-resistance modified rubber treating agent and a preparation method thereof, and aims to solve the problems.
In order to achieve the purpose, the invention provides the following technical scheme:
the single-component high-yellowing-resistance modified rubber treating agent comprises the following raw materials in parts by weight: 33-47 parts of polyurethane resin, 13-22 parts of amino resin, 15-22 parts of zeolite, 9-14 parts of vinyl bis stearamide, 11-19 parts of carboxymethyl chitosan, 4-11 parts of glycerol, 2-7 parts of polymethylphenylsiloxane, 1.5-3.9 parts of ethoxylated aliphatic alkylamine and 0.5-1.9 parts of antioxidant.
In a further aspect: the feed comprises the following raw materials in parts by weight: 38-42 parts of polyurethane resin, 16-19 parts of amino resin, 17-20 parts of zeolite, 11-13 parts of vinyl bis-stearic acid amide, 13-17 parts of carboxymethyl chitosan, 7-9 parts of glycerol, 4-6 parts of polymethylphenylsiloxane, 2.1-3.3 parts of ethoxylated aliphatic alkylamine and 0.7-1.7 parts of antioxidant.
In a further aspect: the feed comprises the following raw materials in parts by weight: 40 parts of polyurethane resin, 18 parts of amino resin, 18 parts of zeolite, 12 parts of vinyl bis-stearic amide, 15 parts of carboxymethyl chitosan, 8 parts of glycerol, 5 parts of polymethylphenylsiloxane, 2.9 parts of ethoxylated aliphatic alkylamine and 1.2 parts of antioxidant.
In a further aspect: the amino resin is methylated melamine resin.
In a further aspect: the antioxidant is antioxidant DNP.
The preparation method of the single-component high-yellowing-resistance modified rubber treating agent comprises the following steps:
1) weighing zeolite, feeding the zeolite into a calcining furnace, calcining for 12-17min at the high temperature of 550-700 ℃, gradually increasing the calcining temperature to 1150 ℃ for continuously calcining for 25-37min, preserving heat for 1h, and naturally cooling and discharging to obtain pretreated zeolite;
2) crushing the pretreated zeolite, and sieving with a 150-mesh sieve to obtain zeolite powder;
3) weighing polyurethane resin, melting, adding vinyl distearamide and polymethylphenylsiloxane, and uniformly mixing to obtain a mixture A;
4) weighing amino resin, melting, adding carboxymethyl chitosan, glycerol and ethoxylated fatty alkylamine, and uniformly mixing to obtain a mixture B;
5) mixing the mixture A and the mixture B, placing the mixture A and the mixture B into an ultrasonic processor for ultrasonic treatment, firstly carrying out ultrasonic treatment for 4-7min at 78-91 ℃, then heating to 96-105 ℃, adding an antioxidant, and continuing ultrasonic treatment for 3-8min to obtain a semi-finished product material;
6) and adding the zeolite powder into the semi-finished product material to uniformly disperse the zeolite powder, thereby obtaining the single-component high yellowing resistance modified rubber treating agent.
In a further aspect: and (3) crushing the pretreated zeolite in the step 2) by using an angle grinder.
In a further aspect: the heating rate in the step 5) is 15 ℃/min.
Compared with the prior art, the invention has the following beneficial effects:
the single-component high yellowing resistance modified rubber treatment agent disclosed by the invention is prepared from reasonable raw materials, can effectively act on rubber under the synergistic effect of the components, obviously improves the yellowing resistance of the rubber, and has higher practical value and market value.
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 single-component high-yellowing-resistance modified rubber treating agent comprises the following raw materials in parts by weight: 33 parts of polyurethane resin, 13 parts of amino resin, 15 parts of zeolite, 9 parts of vinyl bis-stearic acid amide, 11 parts of carboxymethyl chitosan, 4 parts of glycerol, 2 parts of polymethylphenylsiloxane, 1.5 parts of ethoxylated aliphatic alkylamine and 0.5 part of antioxidant.
Wherein the amino resin is methylated melamine resin; the antioxidant is antioxidant DNP.
In this embodiment, the preparation method of the single-component high yellowing-resistant modified rubber treatment agent includes the following steps:
1) weighing zeolite, feeding the zeolite into a calcining furnace, calcining at the high temperature of 550 ℃ for 12min, gradually increasing the calcining temperature to 1000 ℃, continuously calcining for 25min, preserving heat for 1h, naturally cooling and discharging to obtain pretreated zeolite;
2) crushing the pretreated zeolite, and sieving with a 150-mesh sieve to obtain zeolite powder;
3) weighing polyurethane resin, melting, adding vinyl distearamide and polymethylphenylsiloxane, and uniformly mixing to obtain a mixture A;
4) weighing amino resin, melting, adding carboxymethyl chitosan, glycerol and ethoxylated fatty alkylamine, and uniformly mixing to obtain a mixture B;
5) mixing the mixture A and the mixture B, placing the mixture A and the mixture B into an ultrasonic processor for ultrasonic treatment, firstly carrying out ultrasonic treatment for 4min at 78 ℃, then heating to 96 ℃, adding an antioxidant, and continuing ultrasonic treatment for 3min to obtain a semi-finished product;
6) and adding the zeolite powder into the semi-finished product material to uniformly disperse the zeolite powder, thereby obtaining the single-component high yellowing resistance modified rubber treating agent.
Wherein, the pretreated zeolite in the step 2) is crushed by an angle grinder; the heating rate in the step 5) is 15 ℃/min.
Example 2
In the embodiment of the invention, the single-component high-yellowing-resistance modified rubber treating agent comprises the following raw materials in parts by weight: 38 parts of polyurethane resin, 16 parts of amino resin, 17 parts of zeolite, 11 parts of vinyl bis-stearic amide, 13 parts of carboxymethyl chitosan, 7 parts of glycerol, 4 parts of polymethylphenylsiloxane, 2.1 parts of ethoxylated aliphatic alkylamine and 0.7 part of antioxidant.
Wherein the amino resin is methylated melamine resin; the antioxidant is antioxidant DNP.
In this embodiment, the preparation method of the single-component high yellowing-resistant modified rubber treatment agent includes the following steps:
1) weighing zeolite, feeding the zeolite into a calcining furnace, calcining for 14min at the high temperature of 600 ℃, gradually increasing the calcining temperature to 1000 ℃, continuously calcining for 28min, preserving heat for 1h, and naturally cooling and discharging to obtain pretreated zeolite;
2) crushing the pretreated zeolite, and sieving with a 150-mesh sieve to obtain zeolite powder;
3) weighing polyurethane resin, melting, adding vinyl distearamide and polymethylphenylsiloxane, and uniformly mixing to obtain a mixture A;
4) weighing amino resin, melting, adding carboxymethyl chitosan, glycerol and ethoxylated fatty alkylamine, and uniformly mixing to obtain a mixture B;
5) mixing the mixture A and the mixture B, placing the mixture A and the mixture B into an ultrasonic processor for ultrasonic treatment, firstly carrying out ultrasonic treatment for 5min at the temperature of 85 ℃, then increasing the temperature to 98 ℃, adding an antioxidant, and continuing the ultrasonic treatment for 6min to obtain a semi-finished product;
6) and adding the zeolite powder into the semi-finished product material to uniformly disperse the zeolite powder, thereby obtaining the single-component high yellowing resistance modified rubber treating agent.
Wherein, the pretreated zeolite in the step 2) is crushed by an angle grinder; the heating rate in the step 5) is 15 ℃/min.
Example 3
In the embodiment of the invention, the single-component high-yellowing-resistance modified rubber treating agent comprises the following raw materials in parts by weight: 40 parts of polyurethane resin, 18 parts of amino resin, 18 parts of zeolite, 12 parts of vinyl bis-stearic amide, 15 parts of carboxymethyl chitosan, 8 parts of glycerol, 5 parts of polymethylphenylsiloxane, 2.9 parts of ethoxylated aliphatic alkylamine and 1.2 parts of antioxidant.
Wherein the amino resin is methylated melamine resin; the antioxidant is antioxidant DNP.
In this embodiment, the preparation method of the single-component high yellowing-resistant modified rubber treatment agent includes the following steps:
1) weighing zeolite, feeding the zeolite into a calcining furnace, calcining for 15min at a high temperature of 650 ℃, gradually increasing the calcining temperature to 1100 ℃, continuously calcining for 30min, preserving heat for 1h, naturally cooling and discharging to obtain pretreated zeolite;
2) crushing the pretreated zeolite, and sieving with a 150-mesh sieve to obtain zeolite powder;
3) weighing polyurethane resin, melting, adding vinyl distearamide and polymethylphenylsiloxane, and uniformly mixing to obtain a mixture A;
4) weighing amino resin, melting, adding carboxymethyl chitosan, glycerol and ethoxylated fatty alkylamine, and uniformly mixing to obtain a mixture B;
5) mixing the mixture A and the mixture B, placing the mixture A and the mixture B into an ultrasonic processor for ultrasonic treatment, firstly carrying out ultrasonic treatment for 5min at the temperature of 84 ℃, then increasing the temperature to 102 ℃, adding an antioxidant, and continuing the ultrasonic treatment for 6min to obtain a semi-finished product;
6) and adding the zeolite powder into the semi-finished product material to uniformly disperse the zeolite powder, thereby obtaining the single-component high yellowing resistance modified rubber treating agent.
Wherein, the pretreated zeolite in the step 2) is crushed by an angle grinder; the heating rate in the step 5) is 15 ℃/min.
Example 4
In the embodiment of the invention, the single-component high-yellowing-resistance modified rubber treating agent comprises the following raw materials in parts by weight: 44 parts of polyurethane resin, 18 parts of amino resin, 17 parts of zeolite, 12 parts of vinyl bis-stearic amide, 16 parts of carboxymethyl chitosan, 8 parts of glycerol, 5 parts of polymethylphenylsiloxane, 2.6 parts of ethoxylated aliphatic alkylamine and 1.3 parts of antioxidant.
Wherein the amino resin is methylated melamine resin; the antioxidant is antioxidant DNP.
In this embodiment, the preparation method of the single-component high yellowing-resistant modified rubber treatment agent includes the following steps:
1) weighing zeolite, feeding the zeolite into a calcining furnace, calcining for 15min at a high temperature of 650 ℃, gradually increasing the calcining temperature to 1150 ℃, continuously calcining for 35min, preserving heat for 1h, naturally cooling and discharging to obtain pretreated zeolite;
2) crushing the pretreated zeolite, and sieving with a 150-mesh sieve to obtain zeolite powder;
3) weighing polyurethane resin, melting, adding vinyl distearamide and polymethylphenylsiloxane, and uniformly mixing to obtain a mixture A;
4) weighing amino resin, melting, adding carboxymethyl chitosan, glycerol and ethoxylated fatty alkylamine, and uniformly mixing to obtain a mixture B;
5) mixing the mixture A and the mixture B, placing the mixture A and the mixture B into an ultrasonic processor for ultrasonic treatment, firstly carrying out ultrasonic treatment for 5min at the temperature of 85 ℃, then increasing the temperature to 100 ℃, adding an antioxidant, and continuing the ultrasonic treatment for 7min to obtain a semi-finished product;
6) and adding the zeolite powder into the semi-finished product material to uniformly disperse the zeolite powder, thereby obtaining the single-component high yellowing resistance modified rubber treating agent.
Wherein, the pretreated zeolite in the step 2) is crushed by an angle grinder; the heating rate in the step 5) is 15 ℃/min.
Example 5
In the embodiment of the invention, the single-component high-yellowing-resistance modified rubber treating agent comprises the following raw materials in parts by weight: 42 parts of polyurethane resin, 19 parts of amino resin, 20 parts of zeolite, 13 parts of vinyl bis-stearic acid amide, 17 parts of carboxymethyl chitosan, 9 parts of glycerol, 6 parts of polymethylphenylsiloxane, 3.3 parts of ethoxylated aliphatic alkylamine and 1.7 parts of antioxidant.
Wherein the amino resin is methylated melamine resin; the antioxidant is antioxidant DNP.
In this embodiment, the preparation method of the single-component high yellowing-resistant modified rubber treatment agent includes the following steps:
1) weighing zeolite, feeding the zeolite into a calcining furnace, calcining for 15min at the high temperature of 660 ℃, gradually increasing the calcining temperature to 1080 ℃, continuously calcining for 33min, preserving heat for 1h, and naturally cooling and discharging to obtain pretreated zeolite;
2) crushing the pretreated zeolite, and sieving with a 150-mesh sieve to obtain zeolite powder;
3) weighing polyurethane resin, melting, adding vinyl distearamide and polymethylphenylsiloxane, and uniformly mixing to obtain a mixture A;
4) weighing amino resin, melting, adding carboxymethyl chitosan, glycerol and ethoxylated fatty alkylamine, and uniformly mixing to obtain a mixture B;
5) mixing the mixture A and the mixture B, placing the mixture A and the mixture B into an ultrasonic processor for ultrasonic treatment, firstly carrying out ultrasonic treatment for 6min at the temperature of 84 ℃, then increasing the temperature to 103 ℃, adding an antioxidant, and continuing the ultrasonic treatment for 5min to obtain a semi-finished product;
6) and adding the zeolite powder into the semi-finished product material to uniformly disperse the zeolite powder, thereby obtaining the single-component high yellowing resistance modified rubber treating agent.
Wherein, the pretreated zeolite in the step 2) is crushed by an angle grinder; the heating rate in the step 5) is 15 ℃/min.
Example 6
In the embodiment of the invention, the single-component high-yellowing-resistance modified rubber treating agent comprises the following raw materials in parts by weight: 47 parts of polyurethane resin, 22 parts of amino resin, 22 parts of zeolite, 14 parts of vinyl bis-stearic amide, 19 parts of carboxymethyl chitosan, 11 parts of glycerol, 7 parts of polymethylphenylsiloxane, 3.9 parts of ethoxylated aliphatic alkylamine and 1.9 parts of antioxidant.
Wherein the amino resin is methylated melamine resin; the antioxidant is antioxidant DNP.
In this embodiment, the preparation method of the single-component high yellowing-resistant modified rubber treatment agent includes the following steps:
1) weighing zeolite, feeding the zeolite into a calcining furnace, calcining for 17min at a high temperature of 700 ℃, gradually increasing the calcining temperature to 1150 ℃, continuously calcining for 37min, preserving heat for 1h, naturally cooling and discharging to obtain pretreated zeolite;
2) crushing the pretreated zeolite, and sieving with a 150-mesh sieve to obtain zeolite powder;
3) weighing polyurethane resin, melting, adding vinyl distearamide and polymethylphenylsiloxane, and uniformly mixing to obtain a mixture A;
4) weighing amino resin, melting, adding carboxymethyl chitosan, glycerol and ethoxylated fatty alkylamine, and uniformly mixing to obtain a mixture B;
5) mixing the mixture A and the mixture B, placing the mixture A and the mixture B into an ultrasonic processor for ultrasonic treatment, firstly carrying out ultrasonic treatment for 7min at the temperature of 91 ℃, then increasing the temperature to 105 ℃, adding an antioxidant, and continuing the ultrasonic treatment for 8min to obtain a semi-finished product material;
6) and adding the zeolite powder into the semi-finished product material to uniformly disperse the zeolite powder, thereby obtaining the single-component high yellowing resistance modified rubber treating agent.
Wherein, the pretreated zeolite in the step 2) is crushed by an angle grinder; the heating rate in the step 5) is 15 ℃/min.
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 (8)
1. The single-component high-yellowing-resistance modified rubber treating agent is characterized by comprising the following raw materials in parts by weight: 33-47 parts of polyurethane resin, 13-22 parts of amino resin, 15-22 parts of zeolite, 9-14 parts of vinyl bis stearamide, 11-19 parts of carboxymethyl chitosan, 4-11 parts of glycerol, 2-7 parts of polymethylphenylsiloxane, 1.5-3.9 parts of ethoxylated aliphatic alkylamine and 0.5-1.9 parts of antioxidant.
2. The single-component high-yellowing-resistance modified rubber treatment agent according to claim 1, which comprises the following raw materials in parts by weight: 38-42 parts of polyurethane resin, 16-19 parts of amino resin, 17-20 parts of zeolite, 11-13 parts of vinyl bis-stearic acid amide, 13-17 parts of carboxymethyl chitosan, 7-9 parts of glycerol, 4-6 parts of polymethylphenylsiloxane, 2.1-3.3 parts of ethoxylated aliphatic alkylamine and 0.7-1.7 parts of antioxidant.
3. The single-component high-yellowing-resistance modified rubber treatment agent according to claim 2, which comprises the following raw materials in parts by weight: 40 parts of polyurethane resin, 18 parts of amino resin, 18 parts of zeolite, 12 parts of vinyl bis-stearic amide, 15 parts of carboxymethyl chitosan, 8 parts of glycerol, 5 parts of polymethylphenylsiloxane, 2.9 parts of ethoxylated aliphatic alkylamine and 1.2 parts of antioxidant.
4. The single-component high-yellowing-resistance modified rubber treatment agent according to claim 1, wherein the amino resin is methylated melamine resin.
5. The single-component high yellowing resistance modified rubber treatment agent according to claim 1, wherein the antioxidant is antioxidant DNP.
6. The preparation method of the single-component high-yellowing-resistance modified rubber treatment agent according to any one of claims 1 to 5, characterized by comprising the following steps:
1) weighing zeolite, feeding the zeolite into a calcining furnace, calcining for 12-17min at the high temperature of 550-700 ℃, gradually increasing the calcining temperature to 1150 ℃ for continuously calcining for 25-37min, preserving heat for 1h, and naturally cooling and discharging to obtain pretreated zeolite;
2) crushing the pretreated zeolite, and sieving with a 150-mesh sieve to obtain zeolite powder;
3) weighing polyurethane resin, melting, adding vinyl distearamide and polymethylphenylsiloxane, and uniformly mixing to obtain a mixture A;
4) weighing amino resin, melting, adding carboxymethyl chitosan, glycerol and ethoxylated fatty alkylamine, and uniformly mixing to obtain a mixture B;
5) mixing the mixture A and the mixture B, placing the mixture A and the mixture B into an ultrasonic processor for ultrasonic treatment, firstly carrying out ultrasonic treatment for 4-7min at 78-91 ℃, then heating to 96-105 ℃, adding an antioxidant, and continuing ultrasonic treatment for 3-8min to obtain a semi-finished product material;
6) and adding the zeolite powder into the semi-finished product material to uniformly disperse the zeolite powder, thereby obtaining the single-component high yellowing resistance modified rubber treating agent.
7. The preparation method of the single-component high yellowing-resistant modified rubber treatment agent according to claim 6, wherein the pretreated zeolite in the step 2) is subjected to crushing treatment by an angle grinder.
8. The preparation method of the single-component high yellowing-resistant modified rubber treatment agent according to claim 6, wherein the temperature rise rate in the step 5) is 15 ℃/min.
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Cited By (1)
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| CN111647324A (en) * | 2020-06-11 | 2020-09-11 | 福建冠宝新材料科技有限公司 | Production process of shoe treating agent for roughening-free treatment of surface of rubber material |
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| CN107189126A (en) * | 2017-07-12 | 2017-09-22 | 合肥康之恒机械科技有限公司 | A kind of machinery anti-aging rubber crawler belt and preparation method thereof |
| CN108264661A (en) * | 2018-02-07 | 2018-07-10 | 合肥达户电线电缆科技有限公司 | A kind of antibacterial weather-resistance flame-retardant cable sheath material of insect prevention and preparation method thereof |
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