CN105462000A - Fiber butadiene rubber material and preparing method thereof - Google Patents
Fiber butadiene rubber material and preparing method thereof Download PDFInfo
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- CN105462000A CN105462000A CN201510941903.4A CN201510941903A CN105462000A CN 105462000 A CN105462000 A CN 105462000A CN 201510941903 A CN201510941903 A CN 201510941903A CN 105462000 A CN105462000 A CN 105462000A
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Abstract
The invention discloses a fiber butadiene rubber material. The fiber butadiene rubber material is prepared from, by weight, 18-20 parts of ethyl alcohol with the concentration of 90-95%, 1-2 parts of symclosene, 1-2 parts of an anti-aging agent DFC, 1-2 parts of an accelerant CA, 4-6 parts of ethyl cellulose, 30-40 parts of carbon nano tubes, 50-60 parts of hydroxyl-terminated polybutadiene, 200-300 parts of n-methyl pyrrolidone, 5-7 parts of boric oxide, 160-200 parts of butadiene rubber, 0.8-1 part of beta-hydroxyalkyl amide, 4-7 parts of hydroxyl sodium cellulose, 1.3-2 parts of sulfur, 2-4 parts of molybdenum diboron and 2-3 parts of magnesium hydrate. According to the rubber material, ethyl cellulose and hydroxyl sodium cellulose are added, and thus the dispersibility of filler particles in the rubber material is effectively improved.
Description
Technical field
The present invention relates to field of rubber technology, particularly relate to a kind of fiber cis-1,4-polybutadiene rubber material and preparation method thereof.
Background technology
Carbon nanotube is widely used in polymkeric substance to the heat conduction of raising polymkeric substance, conduction and physicals etc. because of the structure of its uniqueness and the physical and chemical performance of excellence.But carbon nanotube itself has very high surface free energy, easily reunites, and not easily disperses in polymeric matrix, limit its application.The surface modification treatment of carbon nanotube is one of important channel of improving its dispersive ability in the polymer and then the excellent carbon nano-tube/polymer composite material of processability;
Hydroxy-terminated polybutadienes is liquid because of it at normal temperatures, and transparency is good, the low good processability of viscosity; And it and chainextender, linking agent react the cured article that can generate tridimensional network at ambient temperature or elevated temperature, this cured article has excellent mechanical property, good oil resistant and water resistance, particularly acid and alkali-resistance, wear-resisting, low temperature resistant and electrical insulation capability is better, become output in distant pawl series of fluids rubber maximum, purposes is a kind the most widely, is mainly used in the aspects such as solid propellant tackiness agent, polyurethane elastomer, material of construction, speciality coating, tackiness agent, Embedding Material, rubber and plastic and epoxy resin modification.Hydroxy-terminated polybutadienes gives its more characteristic by modification later, improves its performance, has widened the Application Areas of hydroxy-terminated polybutadienes.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of fiber cis-1,4-polybutadiene rubber material and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of fiber cis-1,4-polybutadiene rubber material, it is made up of the raw material of following weight parts:
Ethanol 18-20, the trichloroisocyanuric acid 1-2 of 90-95%, antioxidant D FC1-2, accelerant C A1-2, ethyl cellulose 4-6, carbon nanotube 30-40, hydroxy-terminated polybutadienes 50-60, n-methyl-2-pyrrolidone 200-300, boron oxide 5-7, cis-1,4-polybutadiene rubber 160-200, beta-hydroxy alkylamide 0.8-1, Xylo-Mucine 4-7, sulphur 1.3-2, boronation two molybdenum 2-4, magnesium hydroxide 2-3.
A preparation method for described fiber cis-1,4-polybutadiene rubber material, comprises the following steps:
(1) ethanol of above-mentioned 90-95% is joined in magnetic stirring apparatus, add ethyl cellulose under agitation condition, stirring and dissolving;
(2) above-mentioned carbon nanotube is placed in its weight 40-50 doubly, massfraction is the aqueous hydrogen peroxide solution ultrasonic disperse 30-40 minute of 0.3-0.5%, add above-mentioned Inositol nf12 99 solution, at 75-80 DEG C, be incubated 100-120 minute, filtration, vacuum-drying, obtain pre-treatment carbon nanotube;
(3) get sulfuric acid that volume ratio is 3-4:1, salpeter solution mixing, stir, described sulfuric acid concentration is 70-75%, concentration of nitric acid is 80-85%;
(4) pre-treatment carbon nanotube obtained above is joined in above-mentioned mixed acid solution, ultrasonic 100-110 minute at 50-60 DEG C, filtration under diminished pressure, be neutral by carbon nanotube deionized water repetitive scrubbing to the filtrate obtained, the vacuum drying oven putting into 76-80 DEG C is dried, and obtains acidifying carbon nanotube;
(5) get the 30-40% of above-mentioned Xylo-Mucine weight, mix with trichloroisocyanuric acid, stir, join in hydroxy-terminated polybutadienes, at 60-70 DEG C, preheating 6-10 minute, obtains premixed liquid;
(6) above-mentioned acidifying carbon nanotube is mixed with premixed liquid, magnetic agitation 2-3 minute, join in said n-methyl-2-pyrrolidone, ultrasonic 10-16 minute, suction filtration, by the filter cake dry 20-30 minute at 100-105 DEG C obtained, obtains hydroxyl modification acidifying carbon nanotube;
(7) mixed with boron oxide by above-mentioned hydroxyl modification acidifying carbon nanotube, ball milling is even; Being sent to concentration is in the phosphoric acid solution of 10-15%, constant temperature dipping 120-130 minute at 150-160 DEG C, discharging, and dry, send in reactor, under nitrogen protection, thermal treatment 100-120 minute at 400-450 DEG C, obtains phosphate impregnation compounded mix;
(8) joined in its weight 20-27 times deionized water by remaining Xylo-Mucine, add boronation two molybdenum, magnesium hydroxide, phosphate impregnation compounded mix, add beta-hydroxy alkylamide, at 80-90 DEG C, be stirred to water do, ball milling is even, obtains compounded mix;
(9) above-mentioned compounded mix is mixed with cis-1,4-polybutadiene rubber, plasticate 5-7 minute at 46-50 DEG C, add each raw material of residue, mixing 4-6 minute, is placed in two roller mills by the rubber unvulcanizate obtained, mixing 6-10 minute is supplemented at 30-40 DEG C, discharging, at room temperature parks 20-25 hour by sizing material, sends in vulcanizing press, at 150-155 DEG C, carry out sulfuration, to obtain final product.
The preparation method of described a kind of fiber cis-1,4-polybutadiene rubber material, the weight of described mixed acid solution is 18-20 times of pre-treatment carbon nanotubes.
Advantage of the present invention is:
First the present invention carries out Carboxylation process to carbon nanotube, then react with hydroxy-terminated polybutadienes, the intensity of sizing material can be strengthened, this is due to the hydroxyl reaction in the carboxyl of carbon nano tube surface and hydroxy-terminated polybutadienes, carbon nano tube surface is connected by covalent linkage with hydroxy-terminated polybutadienes molecular chain, thus improve its dispersiveness in the base, and enhance the bounding force of itself and rubber matrix, make it in rubber matrix, show better reinforcing effect;
Then the carboxylic acid carbon nanotube after hydroxy-terminated polybutadienes process is mixed with boron oxide, use phosphate impregnation compounded mix, the pyrogenous origin product P 4O10 of phosphoric acid is phosphorus oxygen glass structure, introduce B2O3 in the melt, [BPO4] structural unit can be formed, glass structure is made to change rack-like into by chain, these rack-like structures are cross-linked with each other, strengthen network structure, strengthen the bonding strength with matrix, one deck coating can be covered at matrix surface, covering surfaces hole more effectively, confining surface active site, effective prevention oxidizing gas enters intrinsic silicon by micropore or crackle, effectively raise physical strength and the antioxidant property of finished product,
Elastomeric material of the present invention adds ethyl cellulose, Xylo-Mucine, effectively raises the dispersiveness of filler grain between rubber mass.
Embodiment
A kind of fiber cis-1,4-polybutadiene rubber material, it is made up of the raw material of following weight parts:
The ethanol 18 of 90%, trichloroisocyanuric acid 1, antioxidant D FC1, accelerant C A1, ethyl cellulose 4, carbon nanotube 30, hydroxy-terminated polybutadienes 50, n methyl-2-pyrrolidone 200, boron oxide 5, cis-1,4-polybutadiene rubber 160, β hydroxyalkyl amide 0.8, Xylo-Mucine 4, sulphur 1.3, boronation two molybdenum 2, magnesium hydroxide 2.
A preparation method for described fiber cis-1,4-polybutadiene rubber material, comprises the following steps:
(1) ethanol of above-mentioned 90% is joined in magnetic stirring apparatus, add ethyl cellulose under agitation condition, stirring and dissolving;
(2) above-mentioned carbon nanotube is placed in its weight 40 times, massfraction be 0.3% aqueous hydrogen peroxide solution ultrasonic disperse 30 minutes, add above-mentioned Inositol nf12 99 solution, at 75 DEG C, be incubated 100 minutes, filter, vacuum-drying, obtain pre-treatment carbon nanotube;
(3) get sulfuric acid that volume ratio is 3:1, salpeter solution mixing, stir, described sulfuric acid concentration is 70%, concentration of nitric acid is 80%;
(4) pre-treatment carbon nanotube obtained above is joined in above-mentioned mixed acid solution, at 50 DEG C ultrasonic 100 minutes, carbon nanotube deionized water repetitive scrubbing to the filtrate obtained was neutral by filtration under diminished pressure, the vacuum drying oven putting into 76 DEG C is dried, and obtains acidifying carbon nanotube;
(5) get 30% of above-mentioned Xylo-Mucine weight, mix, stir with trichloroisocyanuric acid, join in hydroxy-terminated polybutadienes, at 60 DEG C, preheating 6 minutes, obtains premixed liquid;
(6) above-mentioned acidifying carbon nanotube is mixed with premixed liquid, magnetic agitation 2 minutes, join in said n methyl-2-pyrrolidone, ultrasonic 10 minutes, suction filtration, by the filter cake that obtains at 100 DEG C dry 20 minutes, obtain hydroxyl modification acidifying carbon nanotube;
(7) mixed with boron oxide by above-mentioned hydroxyl modification acidifying carbon nanotube, ball milling is even; Being sent to concentration is in the phosphoric acid solution of 10%, and at 150 DEG C, constant temperature floods 120 minutes, discharging, dry, and send in reactor, under nitrogen protection, at 400 DEG C, thermal treatment 100 minutes, obtains phosphate impregnation compounded mix;
(8) joined by remaining Xylo-Mucine in its weight 20 times of deionized waters, add boronation two molybdenum, magnesium hydroxide, phosphate impregnation compounded mix, add β hydroxyalkyl amide, at 80 DEG C, be stirred to water do, ball milling is even, obtains compounded mix;
(9) above-mentioned compounded mix is mixed with cis-1,4-polybutadiene rubber, plasticate at 46 DEG C 5 minutes, add each raw material of residue, mixing 4 minutes, the rubber unvulcanizate obtained is placed in two roller mills, supplement mixing 6 minutes at 30 DEG C, discharging, at room temperature parks 20 hours by sizing material, sends in vulcanizing press, at 150 DEG C, carry out sulfuration, to obtain final product.
The preparation method of described a kind of fiber cis-1,4-polybutadiene rubber material, the weight of described mixed acid solution is 18 times of pre-treatment carbon nanotubes.
Stretch breaking strength (MPa): 18.8;
Surely modulus 100%(MPa is stretched): 2.3;
Mooney viscosity: 64;
70 DEG C × 70h air oven aging test:
Tensile strength at yield reduced rate: 4.2%, elongation at break reduced rate: 8.3%.
Claims (3)
1. a fiber cis-1,4-polybutadiene rubber material, is characterized in that, it is made up of the raw material of following weight parts:
Ethanol 18-20, the trichloroisocyanuric acid 1-2 of 90-95%, antioxidant D FC1-2, accelerant C A1-2, ethyl cellulose 4-6, carbon nanotube 30-40, hydroxy-terminated polybutadienes 50-60, n-methyl-2-pyrrolidone 200-300, boron oxide 5-7, cis-1,4-polybutadiene rubber 160-200, beta-hydroxy alkylamide 0.8-1, Xylo-Mucine 4-7, sulphur 1.3-2, boronation two molybdenum 2-4, magnesium hydroxide 2-3.
2. a preparation method for fiber cis-1,4-polybutadiene rubber material as claimed in claim 1, is characterized in that, comprise the following steps:
(1) ethanol of above-mentioned 90-95% is joined in magnetic stirring apparatus, add ethyl cellulose under agitation condition, stirring and dissolving;
(2) above-mentioned carbon nanotube is placed in its weight 40-50 doubly, massfraction is the aqueous hydrogen peroxide solution ultrasonic disperse 30-40 minute of 0.3-0.5%, add above-mentioned Inositol nf12 99 solution, at 75-80 DEG C, be incubated 100-120 minute, filtration, vacuum-drying, obtain pre-treatment carbon nanotube;
(3) get sulfuric acid that volume ratio is 3-4:1, salpeter solution mixing, stir, described sulfuric acid concentration is 70-75%, concentration of nitric acid is 80-85%;
(4) pre-treatment carbon nanotube obtained above is joined in above-mentioned mixed acid solution, ultrasonic 100-110 minute at 50-60 DEG C, filtration under diminished pressure, be neutral by carbon nanotube deionized water repetitive scrubbing to the filtrate obtained, the vacuum drying oven putting into 76-80 DEG C is dried, and obtains acidifying carbon nanotube;
(5) get the 30-40% of above-mentioned Xylo-Mucine weight, mix with trichloroisocyanuric acid, stir, join in hydroxy-terminated polybutadienes, at 60-70 DEG C, preheating 6-10 minute, obtains premixed liquid;
(6) above-mentioned acidifying carbon nanotube is mixed with premixed liquid, magnetic agitation 2-3 minute, join in said n-methyl-2-pyrrolidone, ultrasonic 10-16 minute, suction filtration, by the filter cake dry 20-30 minute at 100-105 DEG C obtained, obtains hydroxyl modification acidifying carbon nanotube;
(7) mixed with boron oxide by above-mentioned hydroxyl modification acidifying carbon nanotube, ball milling is even; Being sent to concentration is in the phosphoric acid solution of 10-15%, constant temperature dipping 120-130 minute at 150-160 DEG C, discharging, and dry, send in reactor, under nitrogen protection, thermal treatment 100-120 minute at 400-450 DEG C, obtains phosphate impregnation compounded mix;
(8) joined in its weight 20-27 times deionized water by remaining Xylo-Mucine, add boronation two molybdenum, magnesium hydroxide, phosphate impregnation compounded mix, add beta-hydroxy alkylamide, at 80-90 DEG C, be stirred to water do, ball milling is even, obtains compounded mix;
(9) above-mentioned compounded mix is mixed with cis-1,4-polybutadiene rubber, plasticate 5-7 minute at 46-50 DEG C, add each raw material of residue, mixing 4-6 minute, is placed in two roller mills by the rubber unvulcanizate obtained, mixing 6-10 minute is supplemented at 30-40 DEG C, discharging, at room temperature parks 20-25 hour by sizing material, sends in vulcanizing press, at 150-155 DEG C, carry out sulfuration, to obtain final product.
3. the preparation method of a kind of fiber cis-1,4-polybutadiene rubber material according to claim 2, is characterized in that, the weight of described mixed acid solution is 18-20 times of pre-treatment carbon nanotubes.
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103694505A (en) * | 2013-12-24 | 2014-04-02 | 苏州华东橡胶工业有限公司 | Compound carbon nanotube and rubber material and preparation method thereof |
CN104961983A (en) * | 2015-05-21 | 2015-10-07 | 青岛科凯达橡塑有限公司 | High-electrical conductivity high-thermal conductivity oil-resistant aging-resistant rubber material, and preparation method and applications thereof |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103694505A (en) * | 2013-12-24 | 2014-04-02 | 苏州华东橡胶工业有限公司 | Compound carbon nanotube and rubber material and preparation method thereof |
CN104961983A (en) * | 2015-05-21 | 2015-10-07 | 青岛科凯达橡塑有限公司 | High-electrical conductivity high-thermal conductivity oil-resistant aging-resistant rubber material, and preparation method and applications thereof |
Non-Patent Citations (2)
Title |
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王中光: "碳纳米管表面包覆聚合物方法的探索及其聚合物材料的性能研究", 《青岛科技大学硕士学位论文》 * |
雷卓研等: "氧化硼-磷酸浸渍对中间相炭微球复合材料抗氧化及力学性能的影响", 《无机材料学报》 * |
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