CN104130472B - A kind of anti tear low temperature resistant high pressure rubber sebific duct filler special and preparation method thereof - Google Patents

A kind of anti tear low temperature resistant high pressure rubber sebific duct filler special and preparation method thereof Download PDF

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CN104130472B
CN104130472B CN201410293397.8A CN201410293397A CN104130472B CN 104130472 B CN104130472 B CN 104130472B CN 201410293397 A CN201410293397 A CN 201410293397A CN 104130472 B CN104130472 B CN 104130472B
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sebific duct
high pressure
add
pressure rubber
minute
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CN104130472A (en
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彭高峰
朱世利
陈卫平
王伟
朱节霞
杨月琴
杨晓伟
郑海波
沈先明
汪兴娟
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Hefei Hean Machinery Manufacturing Co Ltd
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Hefei Hean Machinery Manufacturing Co Ltd
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Abstract

A kind of anti tear low temperature resistant high pressure rubber sebific duct filler special, is made up of the raw material of following weight part: linear low density polyethylene 12-14, zirconium diboride 5-7, TiB2 5-8, magnesium oxide 3-5, nano silicon 3-5, cocoanut fatty acid diethanolamide 0.4-0.6, three red oily 1-2, γ-aminopropyl triethoxysilane 2-3, stearic acid 2-3, flyash 50-55,4-6% hydrochloric acid is appropriate, water appropriate, auxiliary agent 15-20; Filler of the present invention with the addition of linear low density polyethylene, can increase the tensile strength of high pressure rubber sebific duct, tearing toughness, environmental stress crack resistance, lower temperature resistance, thermotolerance and paracentesis resistance; By adding zirconium diboride, TiB2, improve the resistance to heat shocks of sebific duct, oxidation-resistance under high temperature; By using flyash, reduce cost, reinforcing property is good.

Description

A kind of anti tear low temperature resistant 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 anti tear low temperature resistant high pressure rubber sebific duct filler special and preparation method thereof.
Background technology
High pressure rubber sebific duct is used for carrying in mine hydraulic support, oil-field development, engineering construction, lifting transport, metallurgical forging and stamping, mining equiment, boats and ships, injection machine, agricultural machine, various lathe and each industrial sector mechanize, automatic liquid pressing system the pipeline of the petroleum base (as mineral oil, soluble oil, hydraulic efficiency oil, fuel oil, lubricating oil) with certain pressure and temperature and water fluid (as emulsion, oil-water emulsion, water) etc. and liquid transmission.
The inner glue layer of high pressure rubber sebific duct has makes delivery medium bear pressure, the effect that protection steel wire does not weather, and outer glue-line protection steel wire is injury-free.The rubber of current high pressure rubber sebific duct also exists some needs augmented performance, 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 the production efficiency such as engineering machinery, coal mine machinery and safety in production.The performance of rubber can be improved by improving filler.
Summary of the invention
The object of the present invention is to provide a kind of anti tear low temperature resistant high pressure rubber sebific duct filler special and preparation method thereof, this filler can increase the tensile strength of high pressure rubber sebific duct, tearing toughness, environmental stress crack resistance, lower temperature resistance, thermotolerance and paracentesis resistance, improve the resistance to heat shocks of sebific duct, oxidation-resistance under high temperature.
Technical scheme of the present invention is as follows:
A kind of anti tear low temperature resistant high pressure rubber sebific duct filler special, is characterized in that being made up of the raw material of following weight part: linear low density polyethylene 12-14, zirconium diboride 5-7, TiB2 5-8, magnesium oxide 3-5, nano silicon 3-5, cocoanut fatty acid diethanolamide 0.4-0.6, three red oily 1-2, γ-aminopropyl triethoxysilane 2-3, stearic acid 2-3, flyash 50-55,4-6% hydrochloric acid is appropriate, water appropriate, auxiliary agent 15-20;
Described auxiliary agent is made up of 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, Silica hydrogel 0.3-0.5, Potassium Persulphate 0.1-0.2, water are appropriate; Preparation method is: mixed with 1-2% sodium hydroxide solution by potter's clay, be heated to 70-80 DEG C, 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, and ovendry power is broken into the particle of 2-40 μm; Again Sodium dodecylbenzene sulfonate is added in suitable quantity of water, add potter's clay particle again, add allyl oenanthate, butyl acrylate, Radix Angelicae Sinensis oil, Silica hydrogel after stirring, after stirring, be warming up to 70-80 DEG C, 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 μm, to obtain final product.
The preparation method of described anti tear low temperature resistant 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 DEG C, calcine 2-3 hour, take out and pulverize, cross 100 mesh sieves, add 2-3 4-6% hydrochloric acid doubly again, be heated to 50-70 DEG C, stir 10-20 minute, filter, filter residue, pickling once, then is washed to neutrality more as stated above, filter, obtain particle;
(2) by linear low density polyethylene, zirconium diboride, TiB2, magnesium oxide, three red oil, γ-aminopropyl triethoxysilane, stearic acid mixing, grinding 20-30 minute, obtains mixture;
(3) material that (1) step and (2) step obtain is mixed with nano silicon, cocoanut fatty acid diethanolamide, add suitable quantity of water and stir into pureed, grind to form the slurry of 2-50 μm, spraying dry, mix with other remaining components again, to obtain final product.
Beneficial effect of the present invention
Filler of the present invention with the addition of linear low density polyethylene, can increase the tensile strength of high pressure rubber sebific duct, tearing toughness, environmental stress crack resistance, lower temperature resistance, thermotolerance and paracentesis resistance; By adding zirconium diboride, TiB2, improve the resistance to heat shocks of sebific duct, oxidation-resistance under high temperature; By using flyash, reduce cost, reinforcing property is good; The application of the invention auxiliary agent, can improve the dispersiveness of filler, reinforcing property, can improve intensity and the tough of high pressure rubber sebific duct, not easily bubbling distortion.
Embodiment
A kind of anti tear low temperature resistant high pressure rubber sebific duct filler special, is made up of the raw material of following weight part (kilogram): the red oil 1.5 of linear low density polyethylene 13, zirconium diboride 6, TiB2 6, magnesium oxide 4, nano silicon 4, cocoanut fatty acid diethanolamide 0.5, three, γ-aminopropyl triethoxysilane 2.5, stearic acid 2.5, flyash 53,5% hydrochloric acid is appropriate, water appropriate, auxiliary agent 18;
Described auxiliary agent is made up of the raw material of following weight parts (kilogram): potter's clay 7,1.5% hydrochloric acid soln 13,1.5 sodium hydroxide solution 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, Silica hydrogel 0.4, Potassium Persulphate 0.1, water are appropriate; Preparation method is: mixed with 1.5% sodium hydroxide solution by potter's clay, is heated to 75 DEG C, stirring reaction 25 minutes, and filter, obtain filter residue, then mix with 1.5% hydrochloric acid soln, stirring reaction 25 minutes, being washed to pH is 8, and ovendry power is broken into the particle of 2-40 μm; Again Sodium dodecylbenzene sulfonate is added in suitable quantity of water, add potter's clay particle again, after stirring, add allyl oenanthate, butyl acrylate, Radix Angelicae Sinensis oil, Silica hydrogel, after stirring, be warming up to 75 DEG C, 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 μm, to obtain final product.
The preparation method of described anti tear low temperature resistant high pressure rubber sebific duct filler special, comprises the following steps:
(1) flyash is sent in calcining furnace, calcine 2.5 hours at 750 DEG C, take out and pulverize, cross 100 mesh sieves, then add 5% hydrochloric acid of 2.5 times, be heated to 60 DEG C, stir 15 minutes, filter, obtain filter residue, pickling once, then is washed to neutrality more as stated above, filters, obtains particle;
(2) by linear low density polyethylene, zirconium diboride, TiB2, magnesium oxide, three red oil, γ-aminopropyl triethoxysilane, stearic acid mixing, grind 25 minutes, obtain mixture;
(3) material that (1) step and (2) step obtain is mixed with nano silicon, cocoanut fatty acid diethanolamide, add suitable quantity of water and stir into pureed, grind to form the slurry of 2-50 μm, spraying dry, mix with other remaining components again, to obtain final product.
Testing data:
This embodiment filler is used for paracril, and addition is 10-15%, and after tested, tensile strength at yield >=15MPa, 100% fixed stretching strength >=8MPa, sticking power >=170N, at 125 DEG C, flood in 3# oil the rubber obtained, more than 160 hours without be full of cracks.

Claims (2)

1. an anti tear low temperature resistant high pressure rubber sebific duct filler special, is characterized in that being made up of the raw material of following weight part: linear low density polyethylene 12-14, zirconium diboride 5-7, TiB2 5-8, magnesium oxide 3-5, nano silicon 3-5, cocoanut fatty acid diethanolamide 0.4-0.6, three red oily 1-2, γ-aminopropyl triethoxysilane 2-3, stearic acid 2-3, flyash 50-55,4-6% hydrochloric acid are appropriate, water appropriate, auxiliary agent 15-20;
Described auxiliary agent is made up of 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, Silica hydrogel 0.3-0.5, Potassium Persulphate 0.1-0.2, water are appropriate; Preparation method is: mixed with 1-2% sodium hydroxide solution by potter's clay, be heated to 70-80 DEG C, 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, and ovendry power is broken into the particle of 2-40 μm; Again Sodium dodecylbenzene sulfonate is added in suitable quantity of water, add potter's clay particle again, add allyl oenanthate, butyl acrylate, Radix Angelicae Sinensis oil, Silica hydrogel after stirring, after stirring, be warming up to 70-80 DEG C, 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 μm, to obtain final product.
2. the preparation method of anti tear according to claim 1 low temperature resistant 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 DEG C, calcine 2-3 hour, take out and pulverize, cross 100 mesh sieves, add 2-3 4-6% hydrochloric acid doubly again, be heated to 50-70 DEG C, stir 10-20 minute, filter, filter residue, pickling once, then is washed to neutrality more as stated above, filter, obtain particle;
(2) by linear low density polyethylene, zirconium diboride, TiB2, magnesium oxide, three red oil, γ-aminopropyl triethoxysilane, stearic acid mixing, grinding 20-30 minute, obtains mixture;
(3) material that (1) step and (2) step obtain is mixed with nano silicon, cocoanut fatty acid diethanolamide, add suitable quantity of water and stir into pureed, grind to form the slurry of 2-50 μm, spraying dry, mix with other remaining components again, to obtain final product.
CN201410293397.8A 2014-06-26 2014-06-26 A kind of anti tear low temperature resistant high pressure rubber sebific duct filler special and preparation method thereof Active CN104130472B (en)

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CN105385008A (en) * 2015-12-09 2016-03-09 无锡拓能自动化科技有限公司 Preparation method of chemical corrosion resistant PE pipe
CN110540755A (en) * 2019-09-06 2019-12-06 三河市纳诺科斯机电产品制造有限公司 Fiber filler for rubber and plastic material and preparation method thereof

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Denomination of invention: Filler specialized for tear-resistant and low temperature-resistant high-pressure rubber hose, and preparation method thereof

Effective date of registration: 20170616

Granted publication date: 20160127

Pledgee: China Co. truction Bank Corp Hefei Luyang branch

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