CN105400012A - Graphite-reinforced composite rubber material - Google Patents
Graphite-reinforced composite rubber material Download PDFInfo
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- CN105400012A CN105400012A CN201510889047.2A CN201510889047A CN105400012A CN 105400012 A CN105400012 A CN 105400012A CN 201510889047 A CN201510889047 A CN 201510889047A CN 105400012 A CN105400012 A CN 105400012A
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Abstract
The invention discloses a graphite-reinforced composite rubber material which is prepared from, by weight, 1-2 parts of melamine phosphate, 1-2 parts of an anti-aging agent TNP, 24-27 parts of polyacrylonitrile, 12-13 parts of graphite, 3-4 parts of coal ash microspheres, 0.7-1 part of lauryl sodium sulfate, 42-55 parts of liquid nitrile rubber, 0.6 -1 part of methacrylic acid, 52-60 parts of butadiene-acrylonitrile rubber, 20-25 parts of butadiene styrene rubber, 2-4 parts of polyvinyl alcohol powder, 1-2 parts of a vulcanizing agent TAIC, 4-6 parts of aluminium oxide, 1-2 parts of aluminium oxide, 17-21 parts of red mud powder, 13-15 parts of waste gypsum residues and 2-3 parts of hydroxyl silicone oil. The stable oil-resisting rubber material has good acid and alkali resistant capacity and is good in fire resistance, low in production cost and not prone to deformation.
Description
Technical field
The present invention relates to field of rubber technology, particularly relate to a kind of graphite and strengthen composite rubber material.
Background technology
Elastomeric material is a kind of macromolecular material that can recover rapidly deformation under gross distortion, and it is one of important foundation industry of national economy, daily, medically provides light industry rubber product for indispensable in people's daily life; For the heavy industry such as digging, traffic, building, machinery, electronics and new industry provide various rubber production unit or rubber components, apply very extensive.In recent years, developing rapidly of rubber industry, has higher requirement to rubber item, elastomeric material must towards functionalization, become more meticulous and the future development of diversification.Traditional single elastomeric material can not meet the service requirements developed rapidly completely.Rubber belongs to elastomerics and lacks crystallizing power, and Intermolecular Forces is little, and free volume is large, so its intensity, hardness, the performance such as wear-resisting and tired are not high, so to rubber through reinforcement, will improve its performance.The strengthening agent that rubber industry is the most traditional is carbon black and white carbon black always, although have certain strengthening action, but these two kinds of strengthening agents all have very low volume density, when adding in rubber, very easily producing and flying upward, processing pollution weight, long processing time simultaneously, mixing energy consumption is large, and black-reinforced goods are single black, and these two kinds of strengthening agents are difficult to give goods higher hardness, better resistance to ventilation property etc.
Graphite is a kind of stratified material, there is excellent lubricity, under stripping state, have very high shape factor, graphite is one of material that specific tenacity is the highest, and has unique functional performance, as electroconductibility and thermal conductivity etc., and cost is low, the strongthener as rubber can improve its tribological property, but the Van der Waals force owing to having between the inert nature of graphite material itself and synusia thereof, directly join in rubber and can greatly reduce its mechanical property, reduce work-ing life.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of graphite to strengthen composite rubber material.
The present invention is achieved by the following technical solutions:
A kind of graphite strengthens composite rubber material, is made up: melamine phosphate 1-2, anti-aging agent TNP1-2, polyacrylonitrile 24-27, graphite 12-13, fly ash micro-sphere 3-4, sodium lauryl sulphate 0.7-1, liquid acrylonitrile butadiene rubber 42-55, methacrylic acid 0.6-1, paracril 52-60, styrene-butadiene rubber(SBR) 20-25, polyvinyl alcohol powder 2-4, vulcanizing agent TAIC1-2, aluminum oxide 4-6, lanthanum trioxide 1-2, red mud powder 17-21, gypsum tailings 13-15, hydroxy silicon oil 2-3 of the raw material of following weight part.
Described a kind of graphite strengthens composite rubber material, is made up of following concrete steps:
(1) be added in the dehydrated alcohol of 10 times of weight parts by aluminum oxide and lanthanum trioxide mixing, ultrasonic disperse, then add red mud powder and gypsum tailings stirs, then slowly heating, until solvent evaporation, is pulverized for subsequent use after drying;
(2) polyacrylonitrile is added in dimethyl sulphoxide solution, carry out stirring to pulp, concentration controls at 16-18%, add methacrylic acid mixing and stirring again, the drying in vacuum drying oven by graphite and fly ash micro-sphere, adds deionized water according to solid-to-liquid ratio 1:5-7, add sodium lauryl sulphate continuation ultrasonic agitation more even, getting its supernatant liquor is added in polyacrylonitrile solution, stirred at ambient temperature 2-3h, and after filtration, standing and defoaming, spinning, carbonization obtain polyacrylonitrile composite fiber;
(3) by after short for obtained for step (3) conjugated fibre cutting and step (1) product, the liquid acrylonitrile butadiene rubber prepared mix, the calcium chloride water adding 1wt% again flocculates, through washing and in air dry oven under 50-70 ° of C dry 24-30h, cooling after for subsequent use;
(4) paracril and styrene-butadiene rubber(SBR) are added in Banbury mixer, be warming up to 90-100 ° of C, with the speed banburying 3-5min of 100-200r/min, add product, melamine phosphate and vulcanizing agent TAIC prepared by step (3), be warming up to 120-140 ° of C, with the speed banburying 10-15min of 400-600r/min, then add all the other surplus materialss with the speed banburying 5-7min of 200-400r/min, thin-pass 4-6 time, obtains elastomeric material.
Advantage of the present invention is: it is high that the present invention's employing has specific tenacity, heat conduction, conduction and the good graphite of Wear vesistance are as strongthener, because being directly added in rubber and greatly can reducing mechanical property, reduce work-ing life, graphite is added in the spinning solution of polyacrylonitrile by the present invention, pass through spinning, oxidation, the mode of charing obtains the polyacrylonitrile carbon fiber of mineral carbon load, its surface is attached to by liquid acrylonitrile butadiene rubber, prevent excessive gathering, then blendedly coprecipitatedly rubber master batch is obtained, the mixing elastomeric material obtained has excellent intensity with rubber again, fatigue resistance, heat conduction, anti-attrition, the characteristic such as corrosion-resistant, the treated red mud powder of adding and gypsum tailings effectively can improve the intensity of elastomeric material, corrosion-resistant, fire-resistant and the effect such as to reduce costs, stable oil-resistant rubber material of the present invention, there is good acid and alkali-resistance ability, resistivity against fire is good, production cost is low, not yielding.
Embodiment
A kind of graphite strengthens composite rubber material, is made up: melamine phosphate 1, anti-aging agent TNP1, polyacrylonitrile 24, graphite 12, fly ash micro-sphere 3, sodium lauryl sulphate 0.7, liquid acrylonitrile butadiene rubber 42, methacrylic acid 0.6, paracril 52, styrene-butadiene rubber(SBR) 20, polyvinyl alcohol powder 2, vulcanizing agent TAIC1, aluminum oxide 4, lanthanum trioxide 1, red mud powder 17, gypsum tailings 13, hydroxy silicon oil 2 of the raw material of following weight part (kilogram).
Described a kind of graphite strengthens composite rubber material, is made up of following concrete steps:
(1) be added in the dehydrated alcohol of 10 times of weight parts by aluminum oxide and lanthanum trioxide mixing, ultrasonic disperse, then add red mud powder and gypsum tailings stirs, then slowly heating, until solvent evaporation, is pulverized for subsequent use after drying;
(2) polyacrylonitrile is added in dimethyl sulphoxide solution, carry out stirring to pulp, concentration controls 16%, add methacrylic acid mixing and stirring again, the drying in vacuum drying oven by graphite and fly ash micro-sphere, adds deionized water according to solid-to-liquid ratio 1:5, add sodium lauryl sulphate continuation ultrasonic agitation more even, getting its supernatant liquor is added in polyacrylonitrile solution, stirred at ambient temperature 2h, and after filtration, standing and defoaming, spinning, carbonization obtain polyacrylonitrile composite fiber;
(3) by after short for obtained for step (3) conjugated fibre cutting and step (1) prepare product, liquid acrylonitrile butadiene rubber mixing, then the calcium chloride water adding 1wt% flocculates, through washing and in air dry oven under 50 ° of C dry 24h, cooling is rear for subsequent use;
(4) paracril and styrene-butadiene rubber(SBR) are added in Banbury mixer, be warming up to 90 ° of C, with the speed banburying 3min of 100r/min, add product, melamine phosphate and vulcanizing agent TAIC prepared by step (3), be warming up to 120 ° of C, with the speed banburying 10min of 400r/min, then add all the other surplus materialss with the speed banburying 5min of 200r/min, thin-pass 4 times, obtains elastomeric material.
The elastomeric material prepared according to embodiment carries out performance test to it, and result is as follows:
Hardness (A): 52, tensile strength (MPa): 3.4,100% stress at definite elongation (MPa): 1.2, elongation at break (%): 478, setafter break (%): 5, tear strength (KN/m): 33.2, frictional coefficient: 0.7, volume wear (mm3): 7.0.
Claims (2)
1. a graphite strengthens composite rubber material, it is characterized in that, be made up of the raw material of following weight part: melamine phosphate 1-2, anti-aging agent TNP1-2, polyacrylonitrile 24-27, graphite 12-13, fly ash micro-sphere 3-4, sodium lauryl sulphate 0.7-1, liquid acrylonitrile butadiene rubber 42-55, methacrylic acid 0.6-1, paracril 52-60, styrene-butadiene rubber(SBR) 20-25, polyvinyl alcohol powder 2-4, vulcanizing agent TAIC1-2, aluminum oxide 4-6, lanthanum trioxide 1-2, red mud powder 17-21, gypsum tailings 13-15, hydroxy silicon oil 2-3.
2. a kind of graphite strengthens composite rubber material according to claim 1, it is characterized in that, is made up of following concrete steps:
(1) be added in the dehydrated alcohol of 10 times of weight parts by aluminum oxide and lanthanum trioxide mixing, ultrasonic disperse, then add red mud powder and gypsum tailings stirs, then slowly heating, until solvent evaporation, is pulverized for subsequent use after drying;
(2) polyacrylonitrile is added in dimethyl sulphoxide solution, carry out stirring to pulp, concentration controls at 16-18%, add methacrylic acid mixing and stirring again, the drying in vacuum drying oven by graphite and fly ash micro-sphere, adds deionized water according to solid-to-liquid ratio 1:5-7, add sodium lauryl sulphate continuation ultrasonic agitation more even, getting its supernatant liquor is added in polyacrylonitrile solution, stirred at ambient temperature 2-3h, and after filtration, standing and defoaming, spinning, carbonization obtain polyacrylonitrile composite fiber;
(3) by after short for obtained for step (3) conjugated fibre cutting and step (1) product, the liquid acrylonitrile butadiene rubber prepared mix, the calcium chloride water adding 1wt% again flocculates, through washing and in air dry oven under 50-70 ° of C dry 24-30h, cooling after for subsequent use;
(4) paracril and styrene-butadiene rubber(SBR) are added in Banbury mixer, be warming up to 90-100 ° of C, with the speed banburying 3-5min of 100-200r/min, add product, melamine phosphate and vulcanizing agent TAIC prepared by step (3), be warming up to 120-140 ° of C, with the speed banburying 10-15min of 400-600r/min, then add all the other surplus materialss with the speed banburying 5-7min of 200-400r/min, thin-pass 4-6 time, obtains elastomeric material.
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Citations (4)
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US6372817B1 (en) * | 2000-02-29 | 2002-04-16 | Hitachi Chemical Company, Ltd. | Friction material composition, production of the same and friction material |
CN103450527A (en) * | 2013-08-20 | 2013-12-18 | 来安县隆华摩擦材料有限公司 | Corrosion-resistant rubber sizing agent for dipping clutch surface patch |
CN103819765A (en) * | 2014-02-14 | 2014-05-28 | 北京瑞斯福高新科技股份有限公司 | Friction material for brake-shoe of heavy axle-load wagon, and preparation method of wagon brake-shoe |
CN104087245A (en) * | 2014-07-01 | 2014-10-08 | 北京瑞斯福高新科技股份有限公司 | Friction material for brake-shoe of heavy axle-load wagon and preparation method of friction material |
-
2015
- 2015-12-02 CN CN201510889047.2A patent/CN105400012A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6372817B1 (en) * | 2000-02-29 | 2002-04-16 | Hitachi Chemical Company, Ltd. | Friction material composition, production of the same and friction material |
CN103450527A (en) * | 2013-08-20 | 2013-12-18 | 来安县隆华摩擦材料有限公司 | Corrosion-resistant rubber sizing agent for dipping clutch surface patch |
CN103819765A (en) * | 2014-02-14 | 2014-05-28 | 北京瑞斯福高新科技股份有限公司 | Friction material for brake-shoe of heavy axle-load wagon, and preparation method of wagon brake-shoe |
CN104087245A (en) * | 2014-07-01 | 2014-10-08 | 北京瑞斯福高新科技股份有限公司 | Friction material for brake-shoe of heavy axle-load wagon and preparation method of friction material |
Non-Patent Citations (2)
Title |
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励杭泉 等,: "《材料导论 (第二版)》", 30 June 2013, 中国轻工业出版社 * |
山东化工学院橡胶工艺教研组编译: "《丁腈橡胶加工和应用》", 31 July 1978, 石油化学工业出版社 * |
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