CN111004423A - Aging-resistant marine cable material and preparation method thereof - Google Patents
Aging-resistant marine cable material and preparation method thereof Download PDFInfo
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- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
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Abstract
The invention provides an anti-aging marine cable material and a preparation method thereof, relates to the technical field of cables, and is prepared from the following raw materials in parts by weight: 40-60 parts of styrene-butadiene rubber, 15-22 parts of brominated butyl rubber, 10-15 parts of epoxidized natural rubber, 8-13 parts of eucommia ulmoides rubber elastomer, 14-20 parts of cellulose whisker, 2-4 parts of 6-methylquinoxaline-2, 3-dithiocarbonate, 1-2 parts of alkylphenol disulfide, 0.1-0.5 part of tributyl citrate, 0.4-0.8 part of dioctyl phthalate, 20-25 parts of carbon black N550, 2-5 parts of stearic acid, 3-6 parts of nano zinc oxide, 10-20 parts of nano silicon dioxide, 5-8 parts of sepiolite powder, 0.5-1 part of sulfur, 22460.1-1 part of anti-aging agent, 0.1-0.5 part of anti-aging agent MB, 1-1.5 parts of accelerator NS, 1-1.5 parts of titanate coupling agent and 1-2 parts of compatilizer, the aging-resistant marine cable material has excellent mechanical, mechanical and aging-resistant properties, is simple in preparation method, and is suitable for large-scale popularization and application.
Description
Technical Field
The invention relates to the technical field of cables, in particular to an anti-aging marine cable material and a preparation method thereof.
Background
With the development of the ship industry, the ship cable is separated from the common cable, becomes a special cable type, and is continuously developed. The marine cable is a special wire cable and is mainly used for power supply, control and communication of various ships, water platforms, ports and the like in rivers, lakes and seas; due to the special operating environment, the marine cable has strict requirements on the performances of aging resistance, water resistance, mildew resistance, corrosion resistance and the like, and the marine cable in the market at present can cause insulation aging, stiffness and cracking of the cable at a connecting part and even cause fire disasters to form safety accidents after being used for only a few years due to light thermal aging, so that the improvement of the aging resistance of the cable by the marine cable at present is a hot point of research.
In addition, the existing cable material is generally polyvinyl chloride and polyethylene polymer material, which is a flammable material. When fire disaster happens to the surrounding environment, the flame can rapidly spread to the whole line along the cable, so that the flame is expanded, the stability to light and heat is poor, the flame can be decomposed to generate hydrogen chloride at the temperature of more than 100 ℃ or after long-time sunshine solarization, the decomposition is further automatically catalyzed to cause color change, and the physical and mechanical properties are also rapidly reduced, so that the finding of a substitute is important nowadays.
Chinese patent CN107033413A discloses an ozone-resistant and aging-resistant marine cable material, which is composed of the following raw materials: nitrile butadiene rubber, ethylene propylene diene monomer, maleic anhydride grafted ethylene-vinyl acetate copolymer, fumed silica, an accelerator DTDM, dicumyl peroxide, sepiolite powder, talcum powder, molybdenum trioxide, zinc stearate, brominated polystyrene, aluminum hydroxide, an antioxidant 1076, an anti-aging agent MB and a silane coupling agent. The invention also discloses a preparation method of the ozone-resistant and aging-resistant marine cable material. Through performance tests, the tensile strength of the marine cable material is 13.5-14.8Mpa, the elongation at break is 380-450%, after oven aging tests at 135 ℃ for 168 hours, the change rate of the tensile strength is 9-15%, and through continuous groping and creative tests, the inventor provides the marine cable material with aging resistance and mechanical performance superior to those of the marine cable material.
Disclosure of Invention
The invention aims to provide an anti-aging marine cable material and a preparation method thereof.
In order to achieve the purpose, the invention is realized by the following technical scheme:
an anti-aging marine cable material is prepared from the following raw materials in parts by weight:
40-60 parts of styrene-butadiene rubber, 15-22 parts of brominated butyl rubber, 10-15 parts of epoxidized natural rubber, 8-13 parts of eucommia ulmoides rubber elastomer, 14-20 parts of cellulose whisker, 2-4 parts of 6-methylquinoxaline-2, 3-dithiocarbonate, 1-2 parts of alkylphenol disulfide, 0.1-0.5 part of tributyl citrate, 0.4-0.8 part of dioctyl phthalate and 20-25 parts of carbon black N550, 2-5 parts of stearic acid, 3-6 parts of nano zinc oxide, 10-20 parts of nano silicon dioxide, 5-8 parts of sepiolite powder, 0.5-1 part of sulfur, 22460.1-1 part of anti-aging agent, 0.1-0.5 part of anti-aging agent MB, 1-1.5 parts of accelerator NS, 1-1.5 parts of titanate coupling agent and 1-2 parts of compatilizer.
Further, the feed is prepared from the following raw materials in parts by weight:
44 parts of styrene-butadiene rubber, 18 parts of brominated butyl rubber, 13 parts of epoxidized natural rubber, 10 parts of an eucommia ulmoides rubber elastomer, 14 parts of cellulose whisker, 3 parts of 6-methylquinoxaline-2, 3-dithiocarbonate, 1 part of alkylphenol disulfide, 0.2 part of tributyl citrate, 0.8 part of dioctyl phthalate, 55020 parts of carbon black, 5 parts of stearic acid, 4 parts of nano zinc oxide, 12 parts of nano silicon dioxide, 5 parts of sepiolite powder, 0.8 part of sulfur, 22460.2 parts of an anti-aging agent, 0.1 part of an anti-aging agent MB, 1.2 parts of an accelerator NS, 1.5 parts of a titanate coupling agent and 2 parts of a compatilizer.
Further, the feed is prepared from the following raw materials in parts by weight:
60 parts of styrene-butadiene rubber, 16 parts of brominated butyl rubber, 10 parts of epoxidized natural rubber, 10 parts of an eucommia ulmoides gum elastomer, 15 parts of cellulose whisker, 4 parts of 6-methylquinoxaline-2, 3-dithiocarbonate, 1 part of alkylphenol disulfide, 0.3 part of tributyl citrate, 0.6 part of dioctyl phthalate, 5 parts of carbon black N55020 parts of stearic acid, 4 parts of nano zinc oxide, 12 parts of nano silicon dioxide, 5 parts of sepiolite powder, 1 part of sulfur, 22460.1 parts of an anti-aging agent, 0.2 part of an anti-aging agent MB, 1.5 parts of an accelerator NS, 1 part of a titanate coupling agent and 2 parts of a compatilizer.
Further, the preparation method of the cellulose whisker comprises the following steps: cutting absorbent cotton into pieces, adding the cut absorbent cotton into NaOH solution, soaking for 5-10h at 60-80 ℃, filtering, washing with deionized water to be neutral, adding the absorbent cotton into sulfuric acid solution with the mass concentration of 50-55%, soaking for 0.5-1h at room temperature, diluting the sulfuric acid solution with deionized water to be below 15-25%, soaking for 2-4h, stopping, centrifuging by using a centrifuge, adding deionized water into obtained precipitates, centrifuging again until the pH is neutral, and finally adding the precipitates into a dialysis bag for dialysis for 5-10d to obtain the cellulose whiskers.
Further, the mass concentration of the NaOH solution is 10-18%.
Furthermore, the particle size of the nano zinc oxide is 15-30nm, and the particle size of the nano silicon dioxide is 100-300 nm.
Further, the compatilizer is any one or combination of more of PE-g-ST, PP-g-ST, ABS-g-MAH, PE-g-MAH and PP-g-MAH.
The preparation method of the aging-resistant marine cable material comprises the following specific steps:
firstly, styrene butadiene rubber, brominated butyl rubber, epoxidized natural rubber and gutta-percha elastomer are thinly passed on an open mill for 3 to 6 times, then are added into an internal mixer, then cellulose whisker, 6-methylquinoxaline-2, 3-dithiocarbonate, alkylphenol disulfide, tributyl citrate, dioctyl phthalate, carbon black N550, stearic acid, nano zinc oxide, nano silicon dioxide and sepiolite powder are added for first-stage mixing at the temperature of 160-180 ℃ for 5 to 10min, after the first-stage mixing is finished, the mixture is sliced, is cooled to 50 to 60 ℃ and then is transferred into the open mill, then sulfur, an anti-aging agent 2246, an anti-aging agent MB, an accelerator NS, a titanate coupling agent and a compatilizer are added for second-stage mixing at the temperature of 50 to 80 ℃ for 5 to 10min, and (4) after the two-stage mixing is finished, discharging the rubber, vulcanizing the rubber on a flat vulcanizing machine, and finishing the vulcanization.
Furthermore, the vulcanization temperature is 150-.
The invention has the following beneficial effects:
the aging-resistant marine cable material has excellent mechanical, mechanical and aging-resistant properties, the preparation method is simple and is suitable for large-scale popularization and application, the interaction space around the nano zinc oxide and the nano silicon dioxide is a semi-conductive space which can allow the transfer of charges, the electrical strength and the voltage resistance of the cable material can be enhanced by improving the distribution of an internal electric field, the production cost can be reduced by adding the gutta percha elastomer, the price of the natural rubber in the international market is high at present, but the yield of the natural rubber in China is low, the cost is reduced by using the gutta percha elastomer to replace the natural rubber, the crystallization of the gutta percha elastomer is utilized to improve the tensile strength of the cable material to a certain extent, and the 6-methylquinoxaline-2, 3-dithiocarbonate and alkylphenol disulfide are used as a binary copolymerization vulcanization system, the composite crosslinking bond of disulfide bond and trisulfide bond can be formed during vulcanization, so that the strength and fatigue resistance of the cable material are greatly improved, the crosslinking density can be maintained in a proper range by taking tributyl citrate and dioctyl phthalate as composite plasticizing components, and the obtained cable material has moderate hardness and cannot be too hard or too soft to influence use.
Drawings
FIG. 1 is a flow chart of the preparation method of the present invention.
Detailed Description
Example 1:
an anti-aging marine cable material is prepared from the following raw materials in parts by weight:
44 parts of styrene-butadiene rubber, 18 parts of brominated butyl rubber, 13 parts of epoxidized natural rubber, 10 parts of an eucommia ulmoides rubber elastomer, 14 parts of cellulose whisker, 3 parts of 6-methylquinoxaline-2, 3-dithiocarbonate, 1 part of alkylphenol disulfide, 0.2 part of tributyl citrate, 0.8 part of dioctyl phthalate, 5 parts of carbon black N55020 parts of stearic acid, 4 parts of nano zinc oxide with the particle size of 15-30nm, 12 parts of nano silicon dioxide with the particle size of 100-300nm, 5 parts of sepiolite powder, 0.8 part of sulfur, 22460.2 parts of an anti-aging agent, 0.1 part of an anti-aging agent MB, 1.2 parts of an accelerator NS, 1.5 parts of a titanate coupling agent and 2 parts of a compatilizer PE-g-MAH.
The preparation method of the cellulose whisker comprises the following steps: cutting absorbent cotton, adding the cut absorbent cotton into a 15% NaOH solution with the mass concentration, soaking for 10 hours at 60 ℃, filtering, washing with deionized water to be neutral, adding the absorbent cotton into a 50% sulfuric acid solution with the mass concentration, soaking for 0.5 hour at room temperature, diluting the sulfuric acid solution with the deionized water to 20%, soaking for 4 hours, stopping, centrifuging by using a centrifuge, adding the deionized water into the obtained precipitate, centrifuging again until the pH is neutral, and finally adding the precipitate into a dialysis bag for dialysis for 10 days to obtain the cellulose whisker.
The preparation method of the aging-resistant marine cable material comprises the following specific steps:
firstly, thinning styrene-butadiene rubber, brominated butyl rubber, epoxidized natural rubber and eucommia rubber elastomer on an open mill for 5 times, adding the mixture into an internal mixer, adding cellulose whisker, 6-methylquinoxaline-2, 3-dithiocarbonate, alkylphenol disulfide, tributyl citrate, dioctyl phthalate, carbon black N550, stearic acid, nano zinc oxide, nano silicon dioxide and sepiolite powder into the internal mixer for first-stage mixing at the temperature of 160 ℃ for 10min, cooling the mixture to 50 ℃, transferring the mixture into an open mill, adding sulfur, an anti-aging agent 2246, an anti-aging agent MB, an accelerator NS, a titanate coupling agent and a compatilizer into the mixture for mixing at the temperature of 60 ℃ for 5min, vulcanizing the mixture on a flat vulcanizing machine, the vulcanization temperature is 150 ℃, the vulcanization pressure is 12MPa, the vulcanization time is 20min, and the vulcanization is finished.
Example 2:
an anti-aging marine cable material is prepared from the following raw materials in parts by weight:
60 parts of styrene-butadiene rubber, 16 parts of brominated butyl rubber, 10 parts of epoxidized natural rubber, 10 parts of an eucommia ulmoides gum elastomer, 15 parts of cellulose whisker, 4 parts of 6-methylquinoxaline-2, 3-dithiocarbonate, 1 part of alkylphenol disulfide, 0.3 part of tributyl citrate, 0.6 part of dioctyl phthalate, 5 parts of carbon black N55020 parts of stearic acid, 4 parts of nano zinc oxide with the particle size of 15-30nm, 12 parts of nano silicon dioxide with the particle size of 100-300nm, 5 parts of sepiolite powder, 1 part of sulfur, 22460.1 parts of an anti-aging agent, 0.2 part of an anti-aging agent MB, 1.5 parts of an accelerator NS, 1 part of a titanate coupling agent and 2 parts of a compatilizer PE-g-ST.
The preparation method of the cellulose whisker comprises the following steps: cutting absorbent cotton, adding the cut absorbent cotton into a NaOH solution with the mass concentration of 10%, soaking for 10h at 60 ℃, filtering, washing with deionized water to be neutral, adding the absorbent cotton into a sulfuric acid solution with the mass concentration of 55%, soaking for 1h at room temperature, diluting the sulfuric acid solution with the deionized water to 25%, soaking for 3h, stopping, centrifuging by using a centrifuge, adding the deionized water into the obtained precipitate, centrifuging again until the pH is neutral, and finally adding the precipitate into a dialysis bag for dialysis for 5d to obtain the cellulose whisker.
The preparation method of the aging-resistant marine cable material comprises the following specific steps:
firstly, thinning styrene-butadiene rubber, brominated butyl rubber, epoxidized natural rubber and eucommia rubber elastomer on an open mill for 6 times, adding the mixture into an internal mixer, adding cellulose whisker, 6-methylquinoxaline-2, 3-dithiocarbonate, alkylphenol disulfide, tributyl citrate, dioctyl phthalate, carbon black N550, stearic acid, nano zinc oxide, nano silicon dioxide and sepiolite powder into the internal mixer for first-stage mixing at the temperature of 160 ℃ for 10min, cooling the mixture to 60 ℃, transferring the mixture into an open mill, adding sulfur, an anti-aging agent 2246, an anti-aging agent MB, an accelerator NS, a titanate coupling agent and a compatilizer into the mixture for mixing at the temperature of 60 ℃ for 10min, vulcanizing the mixture on a flat vulcanizing machine after second-stage mixing, the vulcanization temperature is 150 ℃, the vulcanization pressure is 12MPa, the vulcanization time is 20min, and the vulcanization is finished.
Example 3:
an anti-aging marine cable material is prepared from the following raw materials in parts by weight:
45 parts of styrene-butadiene rubber, 22 parts of brominated butyl rubber, 14 parts of epoxidized natural rubber, 10 parts of an eucommia ulmoides rubber elastomer, 18 parts of cellulose whisker, 4 parts of 6-methylquinoxaline-2, 3-dithiocarbonate, 2 parts of alkylphenol disulfide, 0.4 part of tributyl citrate, 0.8 part of dioctyl phthalate, 5 parts of carbon black N55020 parts of stearic acid, 5 parts of nano zinc oxide with the particle size of 15-30nm, 20 parts of nano silicon dioxide with the particle size of 100-300nm, 5 parts of sepiolite powder, 0.6 part of sulfur, 22460.1 parts of an anti-aging agent, 0.5 part of an anti-aging agent MB, 1.5 parts of an accelerator NS, 1 part of a titanate coupling agent and 1 part of a compatilizer PP-g-MAH.
The preparation method of the cellulose whisker comprises the following steps: cutting absorbent cotton, adding the cut absorbent cotton into a NaOH solution with the mass concentration of 10%, soaking for 8 hours at the temperature of 80 ℃, filtering, washing with deionized water to be neutral, adding the absorbent cotton into a sulfuric acid solution with the mass concentration of 50%, soaking for 1 hour at the room temperature, diluting the sulfuric acid solution with the deionized water to 20%, soaking for 4 hours, stopping, centrifuging by using a centrifuge, adding the deionized water into the obtained precipitate, centrifuging again until the pH is neutral, finally adding the precipitate into a dialysis bag, and dialyzing for 10 days to obtain the cellulose whisker.
The preparation method of the aging-resistant marine cable material comprises the following specific steps:
firstly, thinning styrene-butadiene rubber, brominated butyl rubber, epoxidized natural rubber and eucommia rubber elastomer on an open mill for 3 times, adding the mixture into an internal mixer, adding cellulose whisker, 6-methylquinoxaline-2, 3-dithiocarbonate, alkylphenol disulfide, tributyl citrate, dioctyl phthalate, carbon black N550, stearic acid, nano zinc oxide, nano silicon dioxide and sepiolite powder into the internal mixer for primary mixing at 160 ℃ for 10min, cooling the mixture to 50-60 ℃, transferring the mixture into an open mill, adding sulfur, an anti-aging agent 2246, an anti-aging agent MB, an accelerator NS, a titanate coupling agent and a compatilizer into the mixture for secondary mixing at 60 ℃ for 10min, vulcanizing the mixture on a flat vulcanizing machine, the vulcanization temperature is 150 ℃, the vulcanization pressure is 10MPa, the vulcanization time is 20min, and the vulcanization is finished.
Example 4:
an anti-aging marine cable material is prepared from the following raw materials in parts by weight:
40 parts of styrene-butadiene rubber, 15 parts of brominated butyl rubber, 10 parts of epoxidized natural rubber, 8 parts of an eucommia ulmoides gum elastomer, 14 parts of cellulose whisker, 2 parts of 6-methylquinoxaline-2, 3-dithiocarbonate, 1 part of alkylphenol disulfide, 0.1 part of tributyl citrate, 0.4 part of dioctyl phthalate, 55020 parts of carbon black, 2 parts of stearic acid, 3 parts of nano zinc oxide with the particle size of 15-30nm, 10 parts of nano silicon dioxide with the particle size of 100-300nm, 5 parts of sepiolite powder, 0.5 part of sulfur, 22460.1 parts of an anti-aging agent, 0.1 part of an anti-aging agent MB, 1 part of an accelerator NS, 1 part of a titanate coupling agent and 1.5 parts of a compatilizer PP-g-ST.
The preparation method of the cellulose whisker comprises the following steps: cutting absorbent cotton, adding the cut absorbent cotton into a 12% NaOH solution with mass concentration, soaking for 5h at 60 ℃, filtering, washing with deionized water to be neutral, adding the absorbent cotton into a 50% sulfuric acid solution with mass concentration, soaking for 0.5-1h at room temperature, diluting the sulfuric acid solution with deionized water to 15%, soaking for 2h, stopping, centrifuging by using a centrifuge, adding deionized water into the obtained precipitate, centrifuging again until the pH is neutral, and finally adding the precipitate into a dialysis bag for dialysis for 5d to obtain the cellulose whisker.
The preparation method of the aging-resistant marine cable material comprises the following specific steps:
firstly, thinning styrene-butadiene rubber, brominated butyl rubber, epoxidized natural rubber and eucommia rubber elastomer on an open mill for 3 times, adding the mixture into an internal mixer, adding cellulose whisker, 6-methylquinoxaline-2, 3-dithiocarbonate, alkylphenol disulfide, tributyl citrate, dioctyl phthalate, carbon black N550, stearic acid, nano zinc oxide, nano silicon dioxide and sepiolite powder into the internal mixer for primary mixing at the temperature of 160 ℃ for 5min, cooling the mixture to 50 ℃, transferring the mixture into the open mill, adding sulfur, an anti-aging agent 2246, an anti-aging agent MB, an accelerator NS, a titanate coupling agent and a compatilizer into the mixture for mixing at the temperature of 50 ℃ for 5min, vulcanizing the mixture on a flat vulcanizing machine, the vulcanization temperature is 150 ℃, the vulcanization pressure is 10MPa, the vulcanization time is 10min, and the vulcanization is finished.
Example 5:
an anti-aging marine cable material is prepared from the following raw materials in parts by weight:
60 parts of styrene-butadiene rubber, 22 parts of brominated butyl rubber, 15 parts of epoxidized natural rubber, 13 parts of an eucommia ulmoides gum elastomer, 20 parts of cellulose whisker, 4 parts of 6-methylquinoxaline-2, 3-dithiocarbonate, 2 parts of alkylphenol disulfide, 0.5 part of tributyl citrate, 0.8 part of dioctyl phthalate, 55025 parts of carbon black, 5 parts of stearic acid, 6 parts of nano zinc oxide with the particle size of 15-30nm, 20 parts of nano silicon dioxide with the particle size of 100-300nm, 8 parts of sepiolite powder, 1 part of sulfur, 22461 parts of an anti-aging agent, 0.5 part of an anti-aging agent MB, 1.5 parts of an accelerator NS, 1.5 parts of a titanate coupling agent and 2 parts of a compatilizer PP-g-ST.
The preparation method of the cellulose whisker comprises the following steps: cutting absorbent cotton, adding the cut absorbent cotton into a NaOH solution with the mass concentration of 18%, soaking for 10h at 80 ℃, filtering, washing with deionized water to be neutral, adding the absorbent cotton into a sulfuric acid solution with the mass concentration of 55%, soaking for 1h at room temperature, diluting the sulfuric acid solution with the deionized water to 25%, soaking for 4h, stopping, centrifuging by using a centrifuge, adding the deionized water into the obtained precipitate, centrifuging again until the pH is neutral, and finally adding the precipitate into a dialysis bag for dialysis for 10d to obtain the cellulose whisker.
The preparation method of the aging-resistant marine cable material comprises the following specific steps:
firstly, thinning styrene-butadiene rubber, brominated butyl rubber, epoxidized natural rubber and eucommia rubber elastomer on an open mill for 6 times, adding the mixture into an internal mixer, adding cellulose whisker, 6-methylquinoxaline-2, 3-dithiocarbonate, alkylphenol disulfide, tributyl citrate, dioctyl phthalate, carbon black N550, stearic acid, nano zinc oxide, nano silicon dioxide and sepiolite powder into the internal mixer for primary mixing at 180 ℃ for 10min, cooling the mixture to 60 ℃, transferring the mixture into an open mill, adding sulfur, an anti-aging agent 2246, an anti-aging agent MB, an accelerator NS, a titanate coupling agent and a compatilizer into the mixture for mixing at 80 ℃ for 10min, vulcanizing the mixture on a flat vulcanizing machine, the vulcanization temperature is 155 ℃, the vulcanization pressure is 12MPa, the vulcanization time is 30min, and the vulcanization is finished.
Example 6:
an anti-aging marine cable material is prepared from the following raw materials in parts by weight:
40 parts of styrene-butadiene rubber, 22 parts of brominated butyl rubber, 10 parts of epoxidized natural rubber, 13 parts of an eucommia ulmoides gum elastomer, 14 parts of cellulose whisker, 4 parts of 6-methylquinoxaline-2, 3-dithiocarbonate, 1 part of alkylphenol disulfide, 0.5 part of tributyl citrate, 0.4 part of dioctyl phthalate, 55025 parts of carbon black, 2 parts of stearic acid, 6 parts of nano zinc oxide with the particle size of 15-30nm, 10 parts of nano silicon dioxide with the particle size of 100-300nm, 8 parts of sepiolite powder, 0.5 part of sulfur, 22461 parts of an anti-aging agent, 0.1 part of an anti-aging agent MB, 1.5 parts of an accelerator NS, 1 part of a titanate coupling agent and 1 part of a compatilizer PE-g-MAH.
The preparation method of the cellulose whisker comprises the following steps: cutting absorbent cotton, adding the cut absorbent cotton into a NaOH solution with the mass concentration of 18%, soaking for 5h at 60 ℃, filtering, washing with deionized water to be neutral, adding the absorbent cotton into a sulfuric acid solution with the mass concentration of 55%, soaking for 0.5h at room temperature, diluting the sulfuric acid solution with the deionized water to 25%, soaking for 2h, stopping, centrifuging by using a centrifuge, adding the deionized water into the obtained precipitate, centrifuging again until the pH value is neutral, and finally adding the precipitate into a dialysis bag for dialysis for 10d to obtain the cellulose whisker.
The preparation method of the aging-resistant marine cable material comprises the following specific steps:
firstly, thinning styrene-butadiene rubber, brominated butyl rubber, epoxidized natural rubber and eucommia rubber elastomer on an open mill for 3 times, adding the mixture into an internal mixer, adding cellulose whisker, 6-methylquinoxaline-2, 3-dithiocarbonate, alkylphenol disulfide, tributyl citrate, dioctyl phthalate, carbon black N550, stearic acid, nano zinc oxide, nano silicon dioxide and sepiolite powder into the internal mixer for primary mixing at 180 ℃ for 5min, cooling the mixture to 60 ℃, transferring the mixture into an open mill, adding sulfur, an anti-aging agent 2246, an anti-aging agent MB, an accelerator NS, a titanate coupling agent and a compatilizer into the mixture for mixing at 50 ℃ for 10min, vulcanizing the mixture on a flat vulcanizing machine, the vulcanization temperature is 150 ℃, the vulcanization pressure is 12MPa, the vulcanization time is 20min, and the vulcanization is finished.
Example 7:
an anti-aging marine cable material is prepared from the following raw materials in parts by weight:
60 parts of styrene-butadiene rubber, 15 parts of brominated butyl rubber, 15 parts of epoxidized natural rubber, 8 parts of an eucommia ulmoides gum elastomer, 20 parts of cellulose whisker, 2 parts of 6-methylquinoxaline-2, 3-dithiocarbonate, 2 parts of alkylphenol disulfide, 0.1 part of tributyl citrate, 0.8 part of dioctyl phthalate, 20 parts of carbon black N55020 parts, 5 parts of stearic acid, 3 parts of nano zinc oxide with the particle size of 15-30nm, 20 parts of nano silicon dioxide with the particle size of 100-300nm, 5 parts of sepiolite powder, 1 part of sulfur, 22460.1 parts of an anti-aging agent, 0.5 part of an anti-aging agent MB, 1 part of an accelerator NS, 1.5 parts of a titanate coupling agent and 1.5 parts of a compatilizer ABS-g-MAH.
The preparation method of the cellulose whisker comprises the following steps: cutting absorbent cotton, adding the cut absorbent cotton into a NaOH solution with the mass concentration of 10%, soaking for 5h at the temperature of 80 ℃, filtering, washing with deionized water to be neutral, adding the absorbent cotton into a sulfuric acid solution with the mass concentration of 55%, soaking for 0.5h at the room temperature, diluting the sulfuric acid solution with the deionized water to 25%, soaking for 2h, stopping, centrifuging by using a centrifuge, adding the deionized water into the obtained precipitate, centrifuging again until the pH is neutral, and finally adding the precipitate into a dialysis bag for dialysis for 10d to obtain the cellulose whisker.
The preparation method of the aging-resistant marine cable material comprises the following specific steps:
firstly, thinning styrene-butadiene rubber, brominated butyl rubber, epoxidized natural rubber and eucommia rubber elastomer on an open mill for 3 times, adding the mixture into an internal mixer, adding cellulose whisker, 6-methylquinoxaline-2, 3-dithiocarbonate, alkylphenol disulfide, tributyl citrate, dioctyl phthalate, carbon black N550, stearic acid, nano zinc oxide, nano silicon dioxide and sepiolite powder into the internal mixer for primary mixing at 180 ℃ for 5min, cooling the mixture to 60 ℃, transferring the mixture into an open mill, adding sulfur, an anti-aging agent 2246, an anti-aging agent MB, an accelerator NS, a titanate coupling agent and a compatilizer into the mixture for mixing at 50 ℃ for 10min, vulcanizing the mixture on a flat vulcanizing machine, the vulcanization temperature is 150 ℃, the vulcanization pressure is 10MPa, the vulcanization time is 20min, and the vulcanization is finished.
Comparative example 1:
substantially the same as in example 1 except that no gutta percha elastomer was added.
Comparative example 2:
essentially the same as example 1, except that no cellulose whiskers were added.
Comparative example 3:
essentially the same as in example 1, except that 6-methylquinoxaline-2, 3-dithiocarbonate was not added.
Comparative example 4:
essentially the same as example 1, except that no alkylphenol disulfide was added.
And (3) performance testing:
the aging-resistant marine cable materials of example 1 of the present invention and comparative examples 1 to 4 were subjected to performance tests, and the results are shown in table 1 below:
table 1:
as shown in the table 1, the aging-resistant marine cable material prepared by the invention has excellent mechanical and aging-resistant properties, the relevant performance data is superior to that of a comparison document CN107033413A, and a comparison test shows that the relevant materials in the invention have a certain synergistic effect and are not simple in function accumulation.
In addition, the aging-resistant marine cable materials prepared in examples 2 to 7 of the present invention all meet the performance requirements in table 1 above, and the data is not listed here.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The aging-resistant marine cable material is characterized by being prepared from the following raw materials in parts by weight:
40-60 parts of styrene-butadiene rubber, 15-22 parts of brominated butyl rubber, 10-15 parts of epoxidized natural rubber, 8-13 parts of eucommia ulmoides rubber elastomer, 14-20 parts of cellulose whisker, 2-4 parts of 6-methylquinoxaline-2, 3-dithiocarbonate, 1-2 parts of alkylphenol disulfide, 0.1-0.5 part of tributyl citrate, 0.4-0.8 part of dioctyl phthalate and 20-25 parts of carbon black N550, 2-5 parts of stearic acid, 3-6 parts of nano zinc oxide, 10-20 parts of nano silicon dioxide, 5-8 parts of sepiolite powder, 0.5-1 part of sulfur, 22460.1-1 part of anti-aging agent, 0.1-0.5 part of anti-aging agent MB, 1-1.5 parts of accelerator NS, 1-1.5 parts of titanate coupling agent and 1-2 parts of compatilizer.
2. The aging-resistant marine cable material of claim 1, which is prepared from the following raw materials in parts by weight:
44 parts of styrene-butadiene rubber, 18 parts of brominated butyl rubber, 13 parts of epoxidized natural rubber, 10 parts of an eucommia ulmoides rubber elastomer, 14 parts of cellulose whisker, 3 parts of 6-methylquinoxaline-2, 3-dithiocarbonate, 1 part of alkylphenol disulfide, 0.2 part of tributyl citrate, 0.8 part of dioctyl phthalate, 55020 parts of carbon black, 5 parts of stearic acid, 4 parts of nano zinc oxide, 12 parts of nano silicon dioxide, 5 parts of sepiolite powder, 0.8 part of sulfur, 22460.2 parts of an anti-aging agent, 0.1 part of an anti-aging agent MB, 1.2 parts of an accelerator NS, 1.5 parts of a titanate coupling agent and 2 parts of a compatilizer.
3. The aging-resistant marine cable material of claim 1, which is prepared from the following raw materials in parts by weight:
60 parts of styrene-butadiene rubber, 16 parts of brominated butyl rubber, 10 parts of epoxidized natural rubber, 10 parts of an eucommia ulmoides gum elastomer, 15 parts of cellulose whisker, 4 parts of 6-methylquinoxaline-2, 3-dithiocarbonate, 1 part of alkylphenol disulfide, 0.3 part of tributyl citrate, 0.6 part of dioctyl phthalate, 5 parts of carbon black N55020 parts of stearic acid, 4 parts of nano zinc oxide, 12 parts of nano silicon dioxide, 5 parts of sepiolite powder, 1 part of sulfur, 22460.1 parts of an anti-aging agent, 0.2 part of an anti-aging agent MB, 1.5 parts of an accelerator NS, 1 part of a titanate coupling agent and 2 parts of a compatilizer.
4. The aging-resistant marine cable material of claim 1, wherein the cellulose whiskers are prepared by a method comprising: cutting absorbent cotton into pieces, adding the cut absorbent cotton into NaOH solution, soaking for 5-10h at 60-80 ℃, filtering, washing with deionized water to be neutral, adding the absorbent cotton into sulfuric acid solution with the mass concentration of 50-55%, soaking for 0.5-1h at room temperature, diluting the sulfuric acid solution with deionized water to be below 15-25%, soaking for 2-4h, stopping, centrifuging by using a centrifuge, adding deionized water into obtained precipitates, centrifuging again until the pH is neutral, and finally adding the precipitates into a dialysis bag for dialysis for 5-10d to obtain the cellulose whiskers.
5. The aging-resistant marine cable material of claim 4, wherein the NaOH solution has a mass concentration of 10-18%.
6. The aging-resistant marine cable material of claim 1, wherein the nano zinc oxide has a particle size of 15-30nm, and the nano silica has a particle size of 100-300 nm.
7. The aging-resistant marine cable material of claim 1, wherein the compatibilizer is any one or a combination of PE-g-ST, PP-g-ST, ABS-g-MAH, PE-g-MAH, PP-g-MAH.
8. A method for preparing the aging-resistant marine cable material according to any one of claims 1 to 7, which is characterized by comprising the following steps:
firstly, styrene butadiene rubber, brominated butyl rubber, epoxidized natural rubber and gutta-percha elastomer are thinly passed on an open mill for 3 to 6 times, then are added into an internal mixer, then cellulose whisker, 6-methylquinoxaline-2, 3-dithiocarbonate, alkylphenol disulfide, tributyl citrate, dioctyl phthalate, carbon black N550, stearic acid, nano zinc oxide, nano silicon dioxide and sepiolite powder are added for first-stage mixing at the temperature of 160-180 ℃ for 5 to 10min, after the first-stage mixing is finished, the mixture is sliced, is cooled to 50 to 60 ℃ and then is transferred into the open mill, then sulfur, an anti-aging agent 2246, an anti-aging agent MB, an accelerator NS, a titanate coupling agent and a compatilizer are added for second-stage mixing at the temperature of 50 to 80 ℃ for 5 to 10min, and (4) after the two-stage mixing is finished, discharging the rubber, vulcanizing the rubber on a flat vulcanizing machine, and finishing the vulcanization.
9. The aging-resistant marine cable material as claimed in claim 8, wherein the vulcanization temperature is 150-.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118185152A (en) * | 2024-04-15 | 2024-06-14 | 江苏国立化工科技有限公司 | Rubber resistant to wet heat aging and preparation method thereof |
| CN118185152B (en) * | 2024-04-15 | 2024-09-06 | 江苏国立化工科技有限公司 | Rubber resistant to wet heat aging and preparation method thereof |
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| CN103320038A (en) * | 2013-06-27 | 2013-09-25 | 谢宝明 | High-voltage insulated rubber tape and preparation method thereof |
| CN104072824A (en) * | 2014-07-15 | 2014-10-01 | 安徽国电电缆集团有限公司 | Special cable material for styrene-butadiene rubber sleeved field detection cable and preparation method of special cable material |
| CN104086835A (en) * | 2014-06-24 | 2014-10-08 | 宁国市日格美橡塑制品有限公司 | Wear-resistant heat-resistant anti-aging rubber material |
| CN104292524A (en) * | 2014-10-20 | 2015-01-21 | 安徽慧艺线缆集团有限公司 | Modified natural rubber cable sheath material |
| CN106397851A (en) * | 2016-08-30 | 2017-02-15 | 安徽蓝德集团股份有限公司 | Modified natural rubber cable material |
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| JPS5676440A (en) * | 1979-11-28 | 1981-06-24 | Dainichi Nippon Cables Ltd | Nonsilicone rubber composition |
| CN103320038A (en) * | 2013-06-27 | 2013-09-25 | 谢宝明 | High-voltage insulated rubber tape and preparation method thereof |
| CN104086835A (en) * | 2014-06-24 | 2014-10-08 | 宁国市日格美橡塑制品有限公司 | Wear-resistant heat-resistant anti-aging rubber material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118185152A (en) * | 2024-04-15 | 2024-06-14 | 江苏国立化工科技有限公司 | Rubber resistant to wet heat aging and preparation method thereof |
| CN118185152B (en) * | 2024-04-15 | 2024-09-06 | 江苏国立化工科技有限公司 | Rubber resistant to wet heat aging and preparation method thereof |
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