CN104130448A - Filler specialized for heat-resistant and wear-resistant high-pressure rubber hose, and preparation method thereof - Google Patents

Abstract

The invention relates to a filler specialized for heat-resistant and wear-resistant high-pressure rubber hose. The filler is prepared from the following raw materials by weight: 15-20 parts of acetylene carbon black, 5-7 parts of bisphenol A, 3-6 parts of expanded graphite, 14-16 parts of tungsten boride, 2-3 parts of polyglycolic acid, 1-2 parts of barium stearate, 10-13 parts of silicon carbide powder, 50-55 parts of fly ash, a proper amount of 4-6% hydrochloric acid, a proper amount of water and 15-20 parts of an auxiliary agent. By adding acetylene carbon black, the filler provided by the invention can make the high-pressure rubber hose have anti-static performance and be suitable for conveying petroleum; by adding boric oxide, expanded graphite, tungsten boride and silicon carbide powder, wear resistance and heat resistance of the hose are greatly improved; by using the fly ash, cost is reduced and the reinforcing property is good; and by using the auxiliary agent provided by the invention, dispersibility and reinforcing property of the filler are increased, the strength, impact toughness of the high-pressure rubber hose can be increased, and the high-pressure rubber hose is not liable to bubble or deform.

Description

A kind of heat-resistant antifriction high pressure rubber sebific duct filler special and preparation method thereof

Technical field

The invention belongs to high pressure rubber sebific duct field, particularly a kind of heat-resistant antifriction high pressure rubber sebific duct filler special and preparation method thereof.

Background technology

High pressure rubber sebific duct has the pipeline of the petroleum base (as mineral oil, soluble oil, hydraulic efficiency oil, fuel oil, lubricating oil) of certain pressure and temperature and water fluid (as emulsion, oil-water emulsion, water) etc. and liquid transmission for mine hydraulic support, oil-field development, engineering construction, lifting transportation, metallurgical forging and stamping, mining equiment, boats and ships, injection machine, agricultural machine, various lathe and each industrial sector mechanize, the conveying of automatic liquid pressing system.

The inner glue layer of high pressure rubber sebific duct has the delivery medium of making and bears pressure, the effect that protection steel wire does not weather, and outer glue-line protection steel wire is injury-free.The rubber of high pressure rubber sebific duct also exists some to need augmented performance at present, as ageing-resistant, heat-resisting, low temperature resistant, acid and alkali-resistance, corrosion-resistant, intensity, UV resistant, fire-retardant, wear-resisting, toughness, the performance such as shock-resistant, also not fully up to expectations, production cost is also higher; Need to carry out modification to rubber hose performance, to improve reliability and stability, increase the service life, reduce the maintain and replace frequency, improve production efficiency and the safety in production such as engineering machinery, coal mine machinery.Can improve by improving filler the performance of rubber.

Summary of the invention

The object of the present invention is to provide a kind of heat-resistant antifriction high pressure rubber sebific duct filler special and preparation method thereof, this filler can make high-pressure rubber pipe have antistatic property, is applicable to transfer oil, has greatly increased the wear resistance of sebific duct and has improved resistance toheat.

Technical scheme of the present invention is as follows:

A heat-resistant antifriction high pressure rubber sebific duct filler special, is characterized in that being made by the raw material of following weight part: Shawinigan black 15-20, dihydroxyphenyl propane 5-7, boron oxide 3-5, expanded graphite 3-6, boronation two tungsten 14-16, polyglycolic acid 2-3, barium stearate 1-2, carborundum powder 10-13, flyash 50-55,4-6% hydrochloric acid is appropriate, water appropriate, auxiliary agent 15-20;

Described auxiliary agent is made by the raw material of following weight parts: potter's clay 6-8,1-2% hydrochloric acid soln 10-15,1-2 sodium hydroxide solution 10-15, nanometer boron fibre 3-4, Silane coupling agent KH550 0.3-0.4, allyl oenanthate 0.5-0.7, butyl acrylate 0.4-0.6, nano-graphite 1-2, Sodium dodecylbenzene sulfonate 0.1-0.2, calcium chloride 0.1-0.2, Radix Angelicae Sinensis oil 0.5-0.7, silicon gel 0.3-0.5, Potassium Persulphate 0.1-0.2, water are appropriate; Preparation method is: potter's clay is mixed with 1-2% sodium hydroxide solution, be heated to 70-80 ℃, stirring reaction 20-30 minute, filter, obtain filter residue, then mix with 1-2% hydrochloric acid soln, stirring reaction 20-30 minute, being washed to pH is 7-9, ovendry power is broken into the particle of 2-40 μ m; Again Sodium dodecylbenzene sulfonate is added in suitable quantity of water, add again potter's clay particle, after stirring, add allyl oenanthate, butyl acrylate, Radix Angelicae Sinensis oil, silicon gel, after stirring, be warming up to 70-80 ℃, add Potassium Persulphate, stirring reaction 20-30 minute, then add nano-graphite, nanometer boron fibre, continue stirring reaction 30-40 minute, dry, mix with other remaining components, dispersion grinding becomes the particle of 2-50 μ m, obtains.

The preparation method of described heat-resistant antifriction high pressure rubber sebific duct filler special, is characterized in that comprising the following steps:

(1) flyash is sent in calcining furnace, at 700-800 ℃, calcined 2-3 hour, take out and pulverize, cross 100 mesh sieves, add again 2-3 4-6% hydrochloric acid doubly, be heated to 50-70 ℃, stir 10-20 minute, filter, filter residue, pickling once, then is washed to neutrality more as stated above, filter, obtain particle;

(2) Shawinigan black, dihydroxyphenyl propane, boron oxide, expanded graphite, boronation two tungsten, polyglycolic acid, barium stearate, carborundum powder are mixed, grind 20-30 minute, obtain mixture;

(3) mixing of materials (1) step and (2) step being obtained, adds suitable quantity of water to stir into mud shape, grinds to form the slurry of 2-50 μ m, and spraying is dry, then mixes with other remaining components, obtains.

Beneficial effect of the present invention

Filler of the present invention has added Shawinigan black, can make high-pressure rubber pipe have antistatic property, is applicable to transfer oil; By adding boron oxide, expanded graphite, boronation two tungsten, carborundum powder, not only greatly increased the wear resistance of sebific duct but also improved resistance toheat; By using flyash, reduced cost, reinforcing property is good; The application of the invention auxiliary agent, can improve dispersiveness, the reinforcing property of filler, can improve intensity and the tough of high pressure rubber sebific duct, is difficult for bubbling distortion.

Embodiment

A heat-resistant antifriction high pressure rubber sebific duct filler special, by following weight part (kilogram) raw material make: Shawinigan black 18, dihydroxyphenyl propane 6, boron oxide 4, expanded graphite 5, boronation two tungsten 15, polyglycolic acid 2.5, barium stearate 1.5, carborundum powder 12, flyash 53,5% hydrochloric acid are appropriate, water appropriate, auxiliary agent 17;

Described auxiliary agent by following weight parts (kilogram) raw material make: potter's clay 7,1.5% hydrochloric acid soln 13,1.5 sodium hydroxide solutions 13, nanometer boron fibre 3.5, Silane coupling agent KH550 0.3, allyl oenanthate 0.6, butyl acrylate 0.5, nano-graphite 1.5, Sodium dodecylbenzene sulfonate 0.1, calcium chloride 0.1, Radix Angelicae Sinensis oil 0.6, silicon gel 0.4, Potassium Persulphate 0.1, water are appropriate; Preparation method is: potter's clay is mixed with 1.5% sodium hydroxide solution, be heated to 75 ℃, stirring reaction 25 minutes, filters, obtain filter residue, then mix with 1.5% hydrochloric acid soln, and stirring reaction 25 minutes, being washed to pH is 8, ovendry power is broken into the particle of 2-40 μ m; Again Sodium dodecylbenzene sulfonate is added in suitable quantity of water, add again potter's clay particle, after stirring, add allyl oenanthate, butyl acrylate, Radix Angelicae Sinensis oil, silicon gel, after stirring, be warming up to 75 ℃, add Potassium Persulphate, stirring reaction 25 minutes, then add nano-graphite, nanometer boron fibre, continue stirring reaction 35 minutes, dry, mix with other remaining components, dispersion grinding becomes the particle of 2-50 μ m, obtains.

The preparation method of described heat-resistant antifriction high pressure rubber sebific duct filler special, comprises the following steps:

(1) flyash is sent in calcining furnace, at 750 ℃, calcined 2.5 hours, take out and pulverize, cross 100 mesh sieves, then add 5% hydrochloric acid of 2.5 times, be heated to 60 ℃, stir 15 minutes, filter, obtain filter residue, pickling once, then is washed to neutrality more as stated above, filters, and obtains particle;

(2) Shawinigan black, dihydroxyphenyl propane, boron oxide, expanded graphite, boronation two tungsten, polyglycolic acid, barium stearate, carborundum powder are mixed, grind 25 minutes, obtain mixture;

(3) mixing of materials (1) step and (2) step being obtained, adds suitable quantity of water to stir into mud shape, grinds to form the slurry of 2-50 μ m, and spraying is dry, then mixes with other remaining components, obtains.

By this embodiment filler, for paracril, addition is 10-15%, the rubber obtaining after tested, tensile strength at yield >=15MPa, 100% fixed stretching strength >=8MPa, sticking power >=170N, at 125 ℃, floods in 3# oil, surpasses 160 hours without be full of cracks.

Claims (2)

1. a heat-resistant antifriction high pressure rubber sebific duct filler special, is characterized in that being made by the raw material of following weight part: Shawinigan black 15-20, dihydroxyphenyl propane 5-7, boron oxide 3-5, expanded graphite 3-6, boronation two tungsten 14-16, polyglycolic acid 2-3, barium stearate 1-2, carborundum powder 10-13, flyash 50-55,4-6% hydrochloric acid is appropriate, water appropriate, auxiliary agent 15-20;

Described auxiliary agent is made by the raw material of following weight parts: potter's clay 6-8,1-2% hydrochloric acid soln 10-15,1-2 sodium hydroxide solution 10-15, nanometer boron fibre 3-4, Silane coupling agent KH550 0.3-0.4, allyl oenanthate 0.5-0.7, butyl acrylate 0.4-0.6, nano-graphite 1-2, Sodium dodecylbenzene sulfonate 0.1-0.2, calcium chloride 0.1-0.2, Radix Angelicae Sinensis oil 0.5-0.7, silicon gel 0.3-0.5, Potassium Persulphate 0.1-0.2, water are appropriate; Preparation method is: potter's clay is mixed with 1-2% sodium hydroxide solution, be heated to 70-80 ℃, stirring reaction 20-30 minute, filter, obtain filter residue, then mix with 1-2% hydrochloric acid soln, stirring reaction 20-30 minute, being washed to pH is 7-9, ovendry power is broken into the particle of 2-40 μ m; Again Sodium dodecylbenzene sulfonate is added in suitable quantity of water, add again potter's clay particle, after stirring, add allyl oenanthate, butyl acrylate, Radix Angelicae Sinensis oil, silicon gel, after stirring, be warming up to 70-80 ℃, add Potassium Persulphate, stirring reaction 20-30 minute, then add nano-graphite, nanometer boron fibre, continue stirring reaction 30-40 minute, dry, mix with other remaining components, dispersion grinding becomes the particle of 2-50 μ m, obtains.

2. the preparation method of heat-resistant antifriction high pressure rubber sebific duct filler special according to claim 1, is characterized in that comprising the following steps:

(1) flyash is sent in calcining furnace, at 700-800 ℃, calcined 2-3 hour, take out and pulverize, cross 100 mesh sieves, add again 2-3 4-6% hydrochloric acid doubly, be heated to 50-70 ℃, stir 10-20 minute, filter, filter residue, pickling once, then is washed to neutrality more as stated above, filter, obtain particle;

(2) Shawinigan black, dihydroxyphenyl propane, boron oxide, expanded graphite, boronation two tungsten, polyglycolic acid, barium stearate, carborundum powder are mixed, grind 20-30 minute, obtain mixture;

(3) mixing of materials (1) step and (2) step being obtained, adds suitable quantity of water to stir into mud shape, grinds to form the slurry of 2-50 μ m, and spraying is dry, then mixes with other remaining components, obtains.