阅读说明：本技术 一种强效抗裂电缆插头料及其制备方法 (Powerful anti-crack cable plug material and preparation method thereof ) 是由 李国宝 郑桂东 尹华顺 于 2019-09-06 设计创作，主要内容包括：本发明提供一种强效抗裂电缆插头料及其制备方法,涉及电缆生产技术领域。所述电缆插头料由以下重量份的原料制成：高密度聚乙烯45-55份、氯丁橡胶15-20份、苯基-β-萘胺6-8份、N,N-二苯基对苯二胺3-5份、N-苯基N′-异丙基对苯二胺3-5份、双-(3-三乙氧基硅烷丙基)-四硫化物5-7份、六氯环戊二烯3-5份、聚乙烯醇缩丁醛2-3份、硫代钼酸钠3-4份、碳化钛2-3份。本发明克服了现有技术的不足,不仅能够有效提高插头料的抗裂性能,防止插头在拉拔过程中发生开裂,进而发生漏电触电的危险,还能有效提高其韧性、强度和耐磨性能,插头料整体性能优异,抗裂性能好,安全性高,适宜推广。(The invention provides a powerful anti-cracking cable plug material and a preparation method thereof, and relates to the technical field of cable production. The cable plug material is prepared from the following raw materials in parts by weight: 45-55 parts of high-density polyethylene, 15-20 parts of chloroprene rubber, 6-8 parts of phenyl-beta-naphthylamine, 3-5 parts of N, N-diphenyl-p-phenylenediamine, 3-5 parts of N-phenyl-N' -isopropyl-p-phenylenediamine, 5-7 parts of bis- (3-triethoxysilylpropyl) -tetrasulfide, 3-5 parts of hexachlorocyclopentadiene, 2-3 parts of polyvinyl butyral, 3-4 parts of sodium thiomolybdate and 2-3 parts of titanium carbide. The invention overcomes the defects of the prior art, not only can effectively improve the crack resistance of the plug material and prevent the plug from cracking in the drawing process so as to avoid the danger of electric leakage and electric shock, but also can effectively improve the toughness, strength and wear resistance of the plug material, and the plug material has excellent overall performance, good crack resistance and high safety and is suitable for popularization.)

1. The powerful anti-cracking cable plug material is characterized by being prepared from the following raw materials in parts by weight: 45-55 parts of high-density polyethylene, 15-20 parts of chloroprene rubber, 6-8 parts of phenyl-beta-naphthylamine, 3-5 parts of N, N-diphenyl-p-phenylenediamine, 3-5 parts of N-phenyl-N' -isopropyl-p-phenylenediamine, 5-7 parts of bis- (3-triethoxysilylpropyl) -tetrasulfide, 3-5 parts of hexachlorocyclopentadiene, 2-3 parts of polyvinyl butyral, 3-4 parts of sodium thiomolybdate, 2-3 parts of titanium carbide, 2-3 parts of magnesium oxide fiber, 2-3 parts of polyamide fiber, 2-4 parts of plasticizer and 2-4 parts of dispersant.

2. The powerful anti-crack cable plug material as claimed in claim 1, wherein the cable plug material is prepared from the following raw materials in parts by weight: 50 parts of high-density polyethylene, 18 parts of chloroprene rubber, 7 parts of phenyl-beta-naphthylamine, 4 parts of N, N-diphenyl-p-phenylenediamine, 4 parts of N-phenyl-N' -isopropyl-p-phenylenediamine, 6 parts of bis- (3-triethoxysilylpropyl) -tetrasulfide, 4 parts of hexachlorocyclopentadiene, 2.5 parts of polyvinyl butyral, 3.5 parts of sodium thiomolybdate, 2.5 parts of titanium carbide, 2.5 parts of magnesium oxide fiber, 2.5 parts of polyamide fiber, 3 parts of plasticizer and 3 parts of dispersant.

3. the cable plug material with the strong anti-cracking effect according to claim 1, wherein the plasticizer is formed by mixing dimethyl phthalate, diisobutyl phthalate and dicyclohexyl phthalate in a ratio of 2:2: 1.

4. the cable plug material with the strong anti-cracking effect as claimed in claim 1, wherein the dispersing agent is formed by mixing polyacrylamide, sodium tripolyphosphate and magnesium silicate hydroxide according to a mass ratio of 5:3: 2.

5. a preparation method of a powerful anti-cracking cable plug material is characterized by comprising the following steps:

(1) mixing phenyl-beta-naphthylamine, N-diphenyl-p-phenylenediamine and N-phenyl N' -isopropyl-p-phenylenediamine, adding the mixture into an autoclave, heating to 200 ℃ and 220 ℃, keeping the temperature, mixing for 1-2h, boosting the pressure to 8-10MPa, maintaining the pressure, permeating for 30-50min, recovering to normal pressure, keeping the temperature, and standing for 1-2h to obtain a mixture for later use;

(2) mixing bis- (3-triethoxysilylpropyl) -tetrasulfide, hexachlorocyclopentadiene and polyvinyl butyral, adding into the high-pressure kettle in the step (1), continuously keeping the temperature and mixing for 40-60min, pouring the mixture into a high-speed dispersion machine, and dispersing at high speed for 20-30min to obtain an auxiliary material A for later use;

(3) adding sodium thiomolybdate, titanium carbide, magnesium oxide fiber and polyamide fiber into a ball mill for mixing and grinding, adding 5-8 times volume of deionized water into an ultrasonic oscillator, heating to 120 ℃ for 100-40 min, placing the mixture into a refrigerator after ultrasonic oscillation for 30-40min, freezing at the temperature of-40 ℃ to-30 ℃ for 2-3h, grinding the mixture at low temperature, and continuously freezing at the low temperature for 1-2h to obtain an auxiliary material B for later use;

(4) mixing high-density polyethylene and chloroprene rubber, adding the mixture into an internal mixer, heating to 230 ℃, keeping the temperature, and mixing for 2-3h to obtain a base material for later use;

(5) And (4) mixing the prepared auxiliary material A and the auxiliary material B, adding the mixture into the internal mixer in the step (4), adding a plasticizer and a dispersing agent, continuously keeping the temperature and mixing for 3-5h, pouring the mixture into a double-screw extruder, and carrying out extrusion granulation to obtain the product.

6. the method as claimed in claim 5, wherein the rotation speed in step (1) is adjusted to 150-.

7. the method for preparing the cable plug material with the strong anti-cracking effect according to the claim 5, wherein the mixing and grinding in the step (3) are carried out until the cable plug material is sieved by a 100-mesh sieve, and the cable plug material is cryogenically ground until the cable plug material is sieved by a 200-mesh sieve.

8. the preparation method of the powerful anti-crack cable plug material according to claim 5, wherein the frequency of the ultrasonic oscillator in the step (3) is 20-25kHz, and the ultrasonic sound intensity is 2-3W/cm 2.

Technical Field

the invention relates to the technical field of cable production, in particular to a powerful anti-cracking cable plug material and a preparation method thereof.

background

The power line is a wire that transmits current. The usual way of current transfer is point-to-point transfer. The power cord may be classified into an AC power cord and a DC power cord according to the purpose. The end of the power line is provided with a plug, and the connector of a common electronic product and the plug of an electrical appliance are called plugs. A plug and socket for domestic AC power supply has a male connector in the shape of rod or copper plate and a female connector-type power supply socket with slot or concave hole.

Because the power plug is used for realizing the electrification of electronic products and is convenient to work normally, the power plug is required to have better anti-cracking performance, the plug is prevented from cracking in the drawing process, further the danger of electric leakage and electric shock is avoided, and the safety is lower.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the powerful anti-cracking cable plug material and the preparation method thereof, the defects of the prior art are overcome, the anti-cracking performance of the plug material can be effectively improved, the plug is prevented from cracking in the drawing process, the danger of electric leakage and electric shock is further avoided, the toughness, the strength and the wear resistance of the plug material can be effectively improved, the overall performance of the plug material is excellent, the anti-cracking performance is good, the safety is high, and the cable plug material is suitable for popularization.

In order to achieve the above purpose, the technical scheme of the invention is realized by the following technical scheme:

The cable plug material is prepared from the following raw materials in parts by weight: 45-55 parts of high-density polyethylene, 15-20 parts of chloroprene rubber, 6-8 parts of phenyl-beta-naphthylamine, 3-5 parts of N, N-diphenyl-p-phenylenediamine, 3-5 parts of N-phenyl-N' -isopropyl-p-phenylenediamine, 5-7 parts of bis- (3-triethoxysilylpropyl) -tetrasulfide, 3-5 parts of hexachlorocyclopentadiene, 2-3 parts of polyvinyl butyral, 3-4 parts of sodium thiomolybdate, 2-3 parts of titanium carbide, 2-3 parts of magnesium oxide fiber, 2-3 parts of polyamide fiber, 2-4 parts of plasticizer and 2-4 parts of dispersant.

Preferably, the cable plug material is prepared from the following raw materials in parts by weight: 50 parts of high-density polyethylene, 18 parts of chloroprene rubber, 7 parts of phenyl-beta-naphthylamine, 4 parts of N, N-diphenyl-p-phenylenediamine, 4 parts of N-phenyl-N' -isopropyl-p-phenylenediamine, 6 parts of bis- (3-triethoxysilylpropyl) -tetrasulfide, 4 parts of hexachlorocyclopentadiene, 2.5 parts of polyvinyl butyral, 3.5 parts of sodium thiomolybdate, 2.5 parts of titanium carbide, 2.5 parts of magnesium oxide fiber, 2.5 parts of polyamide fiber, 3 parts of plasticizer and 3 parts of dispersant.

Preferably, the plasticizer is a mixture of dimethyl phthalate, diisobutyl phthalate and dicyclohexyl phthalate in a ratio of 2:2: 1.

Preferably, the dispersing agent is prepared by mixing polyacrylamide, sodium tripolyphosphate and magnesium silicate hydroxide according to a mass ratio of 5:3: 2.

the preparation method of the cable plug material comprises the following steps:

(1) Mixing phenyl-beta-naphthylamine, N-diphenyl-p-phenylenediamine and N-phenyl N' -isopropyl-p-phenylenediamine, adding the mixture into an autoclave, heating to 200 ℃ and 220 ℃, keeping the temperature, mixing for 1-2h, boosting the pressure to 8-10MPa, maintaining the pressure, permeating for 30-50min, recovering to normal pressure, keeping the temperature, and standing for 1-2h to obtain a mixture for later use;

(2) Mixing bis- (3-triethoxysilylpropyl) -tetrasulfide, hexachlorocyclopentadiene and polyvinyl butyral, adding into the high-pressure kettle in the step (1), continuously keeping the temperature and mixing for 40-60min, pouring the mixture into a high-speed dispersion machine, and dispersing at high speed for 20-30min to obtain an auxiliary material A for later use;

(3) Adding sodium thiomolybdate, titanium carbide, magnesium oxide fiber and polyamide fiber into a ball mill for mixing and grinding, adding 5-8 times volume of deionized water into an ultrasonic oscillator, heating to 120 ℃ for 100-40 min, placing the mixture into a refrigerator after ultrasonic oscillation for 30-40min, freezing at the temperature of-40 ℃ to-30 ℃ for 2-3h, grinding the mixture at low temperature, and continuously freezing at the low temperature for 1-2h to obtain an auxiliary material B for later use;

(4) Mixing high-density polyethylene and chloroprene rubber, adding the mixture into an internal mixer, heating to 230 ℃, keeping the temperature, and mixing for 2-3h to obtain a base material for later use;

(5) and (4) mixing the prepared auxiliary material A and the auxiliary material B, adding the mixture into the internal mixer in the step (4), adding a plasticizer and a dispersing agent, continuously keeping the temperature and mixing for 3-5h, pouring the mixture into a double-screw extruder, and carrying out extrusion granulation to obtain the product.

preferably, the rotation speed is adjusted to 150r/min in the step (1), 1000r/min in the step (2), and 160r/min in the step (4).

preferably, in the step (3), the mixture is ground to pass through a 100-mesh sieve, and the mixture is ground at low temperature to pass through a 200-mesh sieve.

preferably, the frequency of the ultrasonic oscillator in the step (3) is 20-25kHz, and the ultrasonic sound intensity is 2-3W/cm 2.

The invention provides a powerful anti-crack cable plug material and a preparation method thereof, and compared with the prior art, the cable plug material has the advantages that:

(1) according to the invention, the phenyl-beta-naphthylamine, the N, N-diphenyl-p-phenylenediamine, the N-phenyl-N '-isopropyl-p-phenylenediamine, the bis- (3-triethoxysilylpropyl) -tetrasulfide, the hexachlorocyclopentadiene and the polyvinyl butyral are added, the phenyl-beta-naphthylamine, the N, N-diphenyl-p-phenylenediamine and the N-phenyl-N' -isopropyl-p-phenylenediamine are subjected to high-pressure blending permeation, then are mixed with other components and are dispersed at a high speed, so that the crack resistance of the plug material can be effectively improved, the plug is prevented from cracking in the drawing process, the risk of electric leakage and electric shock is further avoided, the wear resistance of the plug material can be effectively improved, the plug material is prevented from cracking due to wear, the crack resistance of the plug material is good, and the safety is high;

(2) The plug material is also added with sodium thiomolybdate, titanium carbide, magnesium oxide fibers and polyamide fibers, and the anti-cracking performance of the plug material can be effectively improved, the toughness of the plug material can be effectively improved, the strength of the plug material can be further improved by means of mixed grinding, ultrasonic oscillation, low-temperature freezing and low-temperature grinding, wherein the magnesium oxide fibers and the polyamide fibers are uniformly dispersed in the plug material to form a net structure, so that the plug material is further prevented from cracking, the overall performance of the plug material is excellent, and the plug material is suitable for popularization.

Detailed Description

in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.