CN110591186A - Seawater corrosion resistant cable material and preparation method thereof - Google Patents
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Abstract
The invention relates to a seawater corrosion resistant cable material which comprises, by weight, 80-120 parts of chloroprene rubber, 45-60 parts of modified polytetrafluoroethylene, 22-30 parts of ammonium polyphosphate, 15-25 parts of nano carbon black, 10-18 parts of soybean oil, 5-10 parts of talcum powder, 8-15 parts of potassium titanate whisker, 30-35 parts of phenolic resin, 10-16 parts of zinc oxide, 10-9 parts of an accelerator M5, 1-4 parts of microcrystalline wax, 1-4 parts of hydroxyethyl cellulose, 1-4 parts of an antioxidant, 1-3 parts of a silane coupling agent and 1-2 parts of a vulcanization activator. The invention has excellent fracture resistance and mechanical strength, and simultaneously has good corrosion resistance, acid and alkali resistance, thereby well protecting the cable.
Description
Technical Field
The invention relates to a cable material and a preparation method thereof, in particular to a corrosion-resistant cable material and a preparation method thereof.
Background
The ocean can provide living and developing material resources, space resources and energy sources for human beings. China is a big ocean, and has a coastline of 18000 kilometers, 6500 islands along the sea, and over 300 million square kilometers in the jurisdiction of the sea. China has abundant marine resources and a vigorously developed marine industry, but the marine environment is very harsh and has strong corrosivity, so that marine corrosion and protection are problems which need to be seriously solved in the economic development of China.
Submarine cables are cables wrapped with insulating materials and laid on the sea bottom for telecommunication transmission. Submarine cables are divided into submarine communication cables and submarine power cables. Submarine communication cables are mainly used for long-distance communication networks, are generally used between long-distance islands, and are used in cross-sea military facilities and other important occasions. The submarine power cable is laid at a much shorter distance than communication cables and is mainly used for interconnection between land islands, across rivers or estuaries, from land-based connection to or between drilling platforms, and the like. Compared with terrestrial cables, submarine cables have many advantages: firstly, the construction does not need to dig a tunnel or be supported by a bracket, so the investment is less and the construction speed is high; and besides, the cable is mostly arranged on the seabed of a certain test except a landing area, and is not damaged by natural environments such as wind and waves and the interference of human production activities, so that the cable is safe and stable, strong in anti-interference capability and good in confidentiality. However, submarine cables work on the seabed with strong corrosivity for a long time, and have strong requirements on the corrosion resistance of materials.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to overcome the defects in the prior art, and provides a seawater corrosion resistant submarine cable material which has excellent fracture resistance and mechanical strength, and also has good corrosion resistance, acid and alkali resistance, so that the cable is well protected.
The technical scheme is as follows: in order to solve the technical problems, the seawater corrosion resistant cable material comprises, by weight,
80-120 parts of chloroprene rubber,
45-60 parts of modified polytetrafluoroethylene,
22-30 parts of ammonium polyphosphate,
15-25 parts of nano carbon black,
10-18 parts of soybean oil, and the like,
5-10 parts of talcum powder,
8-15 parts of potassium titanate whisker,
30-35 parts of phenolic resin,
10-16 parts of zinc oxide, namely zinc oxide,
5-9 parts of an accelerator M,
1-4 parts of microcrystalline wax,
1-4 parts of hydroxyethyl cellulose,
1-4 parts of antioxidant BHT (butylated hydroxytoluene),
1-3 parts of a silane coupling agent,
1-2 parts of a vulcanization activator,
wherein the modified polytetrafluoroethylene comprises the following raw materials in parts by weight: 70 parts of polytetrafluoroethylene, 30 parts of ammonium bicarbonate and 5 parts of calcium silicate, and the preparation method comprises the following steps: putting polytetrafluoroethylene into a reaction kettle, heating to 340 ℃ until the polytetrafluoroethylene is completely dissolved, adding calcium silicate, slowly stirring for 15min, heating to 380 ℃, preserving heat for 1.5h, adding ammonium bicarbonate, heating to 390 ℃, stopping heating, slowly cooling to room temperature, and taking out to obtain the polytetrafluoroethylene.
Preferably, it comprises, in parts by weight,
105 parts of chloroprene rubber, namely chloroprene rubber,
52 parts of modified Polytetrafluoroethylene (PTFE), wherein,
26 parts of ammonium polyphosphate, namely 26 parts of ammonium polyphosphate,
18 parts of nano carbon black, namely 18 parts of nano carbon black,
12 parts of soybean oil, namely 12 parts of soybean oil,
7 parts of talcum powder, namely 7 parts of talcum powder,
11 parts of potassium titanate whisker, namely 11 parts of potassium titanate whisker,
33 parts of phenolic resin, namely phenol-formaldehyde resin,
14 parts of zinc oxide, namely zinc oxide,
8 parts of an accelerator M, 8 parts of a catalyst,
3 parts of microcrystalline wax, namely 3 parts of,
2 parts of hydroxyethyl cellulose, namely 2 parts of hydroxyethyl cellulose,
1.4 parts of antioxidant BHT (butylated hydroxytoluene),
1.2 parts of a silane coupling agent,
1.1 parts of vulcanization activator.
The vulcanizing activator is oleic acid or triethanolamine.
A preparation method of seawater corrosion resistant cable material comprises the following steps,
(1) chloroprene rubber, modified polytetrafluoroethylene, ammonium polyphosphate, potassium titanate whiskers and phenolic resin are placed into an internal mixing furnace for mixing and internal mixing, the internal mixing temperature is 340-;
(2) carrying out induction heating on the material obtained in the step (1):
in the first step, the temperature is increased from normal temperature to 160 ℃, and when the temperature is increased for 65s,
secondly, the temperature is increased from 160 ℃ to 200 ℃ for 55s,
thirdly, the temperature is increased from 200 ℃ to 220 ℃ for 20s,
fourthly, the temperature is reduced from 220 ℃ to 80 ℃ for 70s,
fifthly, preserving heat at the temperature of 70 ℃ for later use, namely taking the mixture immediately after use;
(3) putting the nano carbon black, the hydroxyethyl cellulose and the potassium titanate whisker into a mixing roll, and mixing for 10-20 min; then opening the top plug, adding the soybean oil, the talcum powder, the zinc oxide, the microcrystalline wax and the vulcanizing activator, banburying for 12-16min, controlling the temperature at 140-;
(4) putting the materials obtained in the step (2) and the step (3) and the rest materials into a centrifuge together, and performing centrifugal stirring at 2400-;
(5) adding the mixture obtained in the step (4) into a double-screw extruder for extrusion granulation, wherein the temperature of each section of the machine body of the double-screw extruder is as follows in sequence: 95-115 ℃, 115-130 ℃, 130-145 ℃ and 145-150 ℃, the head temperature of the double-screw extruder is 150-160 ℃, and the rotating speed of the main machine is 65-100 r/min.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages:
the modified polytetrafluoroethylene is added, so that the compatibility of the modified polytetrafluoroethylene and chloroprene rubber is better on the premise of not changing the excellent chemical stability, corrosion resistance and good ageing resistance of the tetrafluoroethylene, the hardness, heat resistance, wear resistance and tear resistance of the product can be greatly improved, and the hardness and corrosion resistance of the product are further improved by adding the mutual cooperation of microcrystalline wax, nano carbon black and potassium titanate whiskers. The cable material is added with the antioxidant and the vulcanizing activator, so that the cable material has better fracture resistance, and the cable is prevented from being corroded after being soaked in seawater for a long time. The seawater corrosion resistant cable material has the advantages of reasonable component proportion, excellent chemical stability, high yield, high hardness, good wear resistance and long service life. The preparation method of the seawater corrosion resistant cable material is simple in process and suitable for industrial production.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1
The invention relates to a seawater corrosion resistant cable material, which is characterized in that: it comprises the following components in parts by weight,
90 parts of chloroprene rubber, namely chloroprene rubber,
48 parts of modified Polytetrafluoroethylene (PTFE), wherein,
24 parts of ammonium polyphosphate, namely 24 parts of ammonium polyphosphate,
17 parts of nano carbon black, namely 17 parts of nano carbon black,
11 parts of soybean oil, namely 11 parts of soybean oil,
6 parts of talcum powder, namely 6 parts of talcum powder,
10 parts of potassium titanate whisker, 10 parts of,
32 parts of phenolic resin, namely 32 parts of phenolic resin,
12 parts of zinc oxide, namely zinc oxide,
7 parts of an accelerator M, namely a silicone oil,
2.5 parts of microcrystalline wax, namely,
1.8 parts of hydroxyethyl cellulose, and the like,
2.7 parts of antioxidant BHT (butylated hydroxytoluene),
2 parts of a silane coupling agent, namely,
1.2 parts of a vulcanization activator,
wherein the modified polytetrafluoroethylene comprises the following raw materials in parts by weight: 70 parts of polytetrafluoroethylene, 30 parts of ammonium bicarbonate and 5 parts of calcium silicate, and the preparation method comprises the following steps: putting polytetrafluoroethylene into a reaction kettle, heating to 340 ℃ until the polytetrafluoroethylene is completely dissolved, adding calcium silicate, slowly stirring for 15min, heating to 380 ℃, preserving heat for 1.5h, adding ammonium bicarbonate, heating to 390 ℃, stopping heating, slowly cooling to room temperature, and taking out to obtain the polytetrafluoroethylene.
The vulcanizing activator is oleic acid or triethanolamine.
A preparation method of seawater corrosion resistant cable material comprises the following steps,
(1) chloroprene rubber, modified polytetrafluoroethylene, ammonium polyphosphate, potassium titanate whiskers and phenolic resin are put into an internal mixing furnace for mixing and internal mixing, wherein the internal mixing temperature is 345 ℃, and the internal mixing time is 1.5 h;
(2) carrying out induction heating on the material obtained in the step (1):
in the first step, the temperature is increased from normal temperature to 160 ℃, and when the temperature is increased for 65s,
secondly, the temperature is increased from 160 ℃ to 200 ℃ for 55s,
thirdly, the temperature is increased from 200 ℃ to 220 ℃ for 20s,
fourthly, the temperature is reduced from 220 ℃ to 80 ℃ for 70s,
fifthly, preserving heat at the temperature of 70 ℃ for later use, namely taking the mixture immediately after use;
(3) putting the nano carbon black, the hydroxyethyl cellulose and the potassium titanate whisker into a mixing roll, and mixing for 14 min; then opening the top plug, adding soybean oil, talcum powder, zinc oxide, microcrystalline wax and vulcanizing activator, banburying for 13min, controlling the temperature at 142 ℃, and turning and discharging;
(4) putting the materials obtained in the step (2) and the step (3) and the rest materials into a centrifuge together, and centrifugally stirring for 28min at 2500r/min to fully and uniformly mix the mixed materials;
(5) adding the mixture obtained in the step (4) into a double-screw extruder for extrusion granulation, wherein the temperature of each section of the machine body of the double-screw extruder is as follows in sequence: 97 deg.C, 118 deg.C, 132 deg.C, 146 deg.C, head temperature of twin-screw extruder 154 deg.C, and main machine rotation speed of 75 r/min.
Example 2
The invention relates to a seawater corrosion resistant cable material, which comprises the following components in parts by weight,
112 parts of chloroprene rubber, namely 112 parts of chloroprene rubber,
55 parts of modified Polytetrafluoroethylene (PTFE),
28 parts of ammonium polyphosphate,
23 parts of nano carbon black, namely,
14 parts of soybean oil, namely 14 parts of soybean oil,
9 parts of talcum powder,
13 parts of potassium titanate whisker, namely 13 parts of potassium titanate whisker,
34 parts of phenolic resin, namely 34 parts of phenolic resin,
15 parts of zinc oxide, namely zinc oxide,
6 parts of an accelerating agent M, namely,
3.5 parts of microcrystalline wax, namely,
3 parts of hydroxyethyl cellulose, namely 3 parts of hydroxyethyl cellulose,
2.8 parts of antioxidant BHT (butylated hydroxytoluene),
2.6 parts of a silane coupling agent,
1.3 parts of a vulcanization activator,
wherein the modified polytetrafluoroethylene comprises the following raw materials in parts by weight: 70 parts of polytetrafluoroethylene, 30 parts of ammonium bicarbonate and 5 parts of calcium silicate, and the preparation method comprises the following steps: putting polytetrafluoroethylene into a reaction kettle, heating to 340 ℃ until the polytetrafluoroethylene is completely dissolved, adding calcium silicate, slowly stirring for 15min, heating to 380 ℃, preserving heat for 1.5h, adding ammonium bicarbonate, heating to 390 ℃, stopping heating, slowly cooling to room temperature, and taking out to obtain the polytetrafluoroethylene.
The vulcanizing activator is oleic acid or triethanolamine.
A preparation method of seawater corrosion resistant cable material comprises the following steps,
(1) chloroprene rubber, modified polytetrafluoroethylene, ammonium polyphosphate, potassium titanate whiskers and phenolic resin are put into an internal mixing furnace for mixing and internal mixing, wherein the internal mixing temperature is 350 ℃, and the internal mixing time is 1.5 h;
(2) carrying out induction heating on the material obtained in the step (1):
in the first step, the temperature is increased from normal temperature to 160 ℃, and when the temperature is increased for 65s,
secondly, the temperature is increased from 160 ℃ to 200 ℃ for 55s,
thirdly, the temperature is increased from 200 ℃ to 220 ℃ for 20s,
fourthly, the temperature is reduced from 220 ℃ to 80 ℃ for 70s,
fifthly, preserving heat at the temperature of 70 ℃ for later use, namely taking the mixture immediately after use;
(3) putting the nano carbon black, the hydroxyethyl cellulose and the potassium titanate whisker into a mixing roll, and mixing for 16 min; then opening the top plug, adding soybean oil, talcum powder, zinc oxide, microcrystalline wax and vulcanizing activator, banburying for 15min, controlling the temperature at 147 ℃, and turning and discharging;
(4) putting the materials obtained in the step (2) and the step (3) and the rest materials into a centrifuge together, and carrying out centrifugal stirring at a speed of 2600r/min for 38min to ensure that the mixed materials are fully and uniformly mixed;
(5) adding the mixture obtained in the step (4) into a double-screw extruder for extrusion granulation, wherein the temperature of each section of the machine body of the double-screw extruder is as follows in sequence: 110 ℃, 125 ℃, 144 ℃ and 149 ℃, the head temperature of the double-screw extruder is 155 ℃, and the rotating speed of the main machine is 85 r/min, thus obtaining the product.
The modified polytetrafluoroethylene is added, so that the compatibility of the modified polytetrafluoroethylene and chloroprene rubber is better on the premise of not changing the excellent chemical stability, corrosion resistance and good ageing resistance of the tetrafluoroethylene, the hardness, heat resistance, wear resistance and tear resistance of the product can be greatly improved, and the hardness and corrosion resistance of the product are further improved by adding the mutual cooperation of microcrystalline wax, nano carbon black and potassium titanate whiskers. The cable material is added with the antioxidant and the vulcanizing activator, so that the cable material has better fracture resistance, and the cable is prevented from being corroded after being soaked in seawater for a long time. The seawater corrosion resistant cable material has the advantages of reasonable component proportion, excellent chemical stability, high yield, high hardness, good wear resistance and long service life. The preparation method of the seawater corrosion resistant cable material is simple in process and suitable for industrial production.
The present invention provides a thought and a method, and a method and a way for implementing the technical scheme are many, the above is only a preferred embodiment of the present invention, it should be noted that, for a person skilled in the art, a plurality of improvements and modifications can be made without departing from the principle of the present invention, and the improvements and modifications should be regarded as the protection scope of the present invention, and each component not explicitly described in the embodiment can be implemented by the prior art.
Claims (4)
1. A seawater corrosion resistant cable material is characterized in that: it comprises the following components in parts by weight,
80-120 parts of chloroprene rubber,
45-60 parts of modified polytetrafluoroethylene,
22-30 parts of ammonium polyphosphate,
15-25 parts of nano carbon black,
10-18 parts of soybean oil, and the like,
5-10 parts of talcum powder,
8-15 parts of potassium titanate whisker,
30-35 parts of phenolic resin,
10-16 parts of zinc oxide, namely zinc oxide,
5-9 parts of an accelerator M,
1-4 parts of microcrystalline wax,
1-4 parts of hydroxyethyl cellulose,
1-4 parts of antioxidant BHT (butylated hydroxytoluene),
1-3 parts of a silane coupling agent,
1-2 parts of a vulcanization activator,
wherein the modified polytetrafluoroethylene comprises the following raw materials in parts by weight: 70 parts of polytetrafluoroethylene, 30 parts of ammonium bicarbonate and 5 parts of calcium silicate, and the preparation method comprises the following steps: putting polytetrafluoroethylene into a reaction kettle, heating to 340 ℃ until the polytetrafluoroethylene is completely dissolved, adding calcium silicate, slowly stirring for 15min, heating to 380 ℃, preserving heat for 1.5h, adding ammonium bicarbonate, heating to 390 ℃, stopping heating, slowly cooling to room temperature, and taking out to obtain the polytetrafluoroethylene.
2. The seawater corrosion resistant cable material of claim 1, wherein: it comprises the following components in parts by weight,
105 parts of chloroprene rubber, namely chloroprene rubber,
52 parts of modified Polytetrafluoroethylene (PTFE), wherein,
26 parts of ammonium polyphosphate, namely 26 parts of ammonium polyphosphate,
18 parts of nano carbon black, namely 18 parts of nano carbon black,
12 parts of soybean oil, namely 12 parts of soybean oil,
7 parts of talcum powder, namely 7 parts of talcum powder,
11 parts of potassium titanate whisker, namely 11 parts of potassium titanate whisker,
33 parts of phenolic resin, namely phenol-formaldehyde resin,
14 parts of zinc oxide, namely zinc oxide,
8 parts of an accelerator M, 8 parts of a catalyst,
3 parts of microcrystalline wax, namely 3 parts of,
2 parts of hydroxyethyl cellulose, namely 2 parts of hydroxyethyl cellulose,
1.4 parts of antioxidant BHT (butylated hydroxytoluene),
1.2 parts of a silane coupling agent,
1.1 parts of vulcanization activator.
3. The seawater corrosion resistant cable material of claim 1, wherein: the vulcanizing activator is oleic acid or triethanolamine.
4. A method for preparing the seawater corrosion resistant cable material according to claim 1, wherein the method comprises the following steps: which comprises the following steps of,
(1) chloroprene rubber, modified polytetrafluoroethylene, ammonium polyphosphate, potassium titanate whiskers and phenolic resin are placed into an internal mixing furnace for mixing and internal mixing, the internal mixing temperature is 340-;
(2) carrying out induction heating on the material obtained in the step (1):
in the first step, the temperature is increased from normal temperature to 160 ℃, and when the temperature is increased for 65s,
secondly, the temperature is increased from 160 ℃ to 200 ℃ for 55s,
thirdly, the temperature is increased from 200 ℃ to 220 ℃ for 20s,
fourthly, the temperature is reduced from 220 ℃ to 80 ℃ for 70s,
fifthly, preserving heat at the temperature of 70 ℃ for later use, namely taking the mixture immediately after use;
(3) putting the nano carbon black, the hydroxyethyl cellulose and the potassium titanate whisker into a mixing roll, and mixing for 10-20 min; then opening the top plug, adding the soybean oil, the talcum powder, the zinc oxide, the microcrystalline wax and the vulcanizing activator, banburying for 12-16min, controlling the temperature at 140-;
(4) putting the materials obtained in the step (2) and the step (3) and the rest materials into a centrifuge together, and performing centrifugal stirring at 2400-;
(5) adding the mixture obtained in the step (4) into a double-screw extruder for extrusion granulation, wherein the temperature of each section of the machine body of the double-screw extruder is as follows in sequence: 95-115 ℃, 115-130 ℃, 130-145 ℃ and 145-150 ℃, the head temperature of the double-screw extruder is 150-160 ℃, and the rotating speed of the main machine is 65-100 r/min.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130184395A1 (en) * | 2010-09-30 | 2013-07-18 | Daikin Industries, Ltd. | Dripping inhibitor and resin compound |
| CN105111549A (en) * | 2015-09-24 | 2015-12-02 | 界首市芮齐塑胶有限公司 | Modified rubber with stable performance and preparation method thereof |
| CN108314809A (en) * | 2018-02-02 | 2018-07-24 | 安徽渡江电缆集团有限公司 | A kind of seawater corrosion resistant cable material and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130184395A1 (en) * | 2010-09-30 | 2013-07-18 | Daikin Industries, Ltd. | Dripping inhibitor and resin compound |
| CN105111549A (en) * | 2015-09-24 | 2015-12-02 | 界首市芮齐塑胶有限公司 | Modified rubber with stable performance and preparation method thereof |
| CN108314809A (en) * | 2018-02-02 | 2018-07-24 | 安徽渡江电缆集团有限公司 | A kind of seawater corrosion resistant cable material and preparation method thereof |
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| 陆鼎: "《化学故事新编》", 31 July 2007 * |
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Application publication date: 20191220 |