CN105400004A - Anti-aging rubber material - Google Patents
Anti-aging rubber material Download PDFInfo
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- CN105400004A CN105400004A CN201510889006.3A CN201510889006A CN105400004A CN 105400004 A CN105400004 A CN 105400004A CN 201510889006 A CN201510889006 A CN 201510889006A CN 105400004 A CN105400004 A CN 105400004A
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Abstract
The invention discloses an anti-aging rubber material, which is prepared through raw materials with parts by weight: poly-ammonium phosphate esters 6-8, 2, 2 '- disulfide generation 2 benzothiazole 1-2, vulcanization accelerator zinc dimethyldithiocarbamate (ZDMC) 2-3, coumarone resins 5-7, polyacrylonitrile 24-27, graphite 12-13, coal ash microspheres 3-4, lauryl sodium sulfates 0.7-1, liquid acrylonitrile butadiene rubbers 42-55, methacrylic acids 0.6-1, nitrile rubbers 52-60, butadiene styrene rubbers 20-25, dextrin 4-5, cerium oxide 1-2, palygorskite 10-12, antimonous oxide 7-9, benzotrizaole 2-3 and methylparaben 0.1-0.2. The anti-aging rubber material is excellent in elasticity, wear-resistant, ageing-resistant and strong in tensile strength, is a superior rubber material, and is simple in preparation process, low in cost and worth to be popularized.
Description
Technical field
The present invention relates to field of rubber technology, particularly relate to a kind of ageing-resistant 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 ageing-resistant rubber material.
The present invention is achieved by the following technical solutions:
A kind of ageing-resistant rubber material, be made up of the raw material of following weight part: gather ammonium phosphate ester 6-8,2,2'-dithio-bis-benzothiazole 1-2, accelerator ZDMC 2-3, coumarone indene resin 5-7, 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, dextrin 4-5, cerium oxide 1-2, polygorskite 10-12, antimonous oxide 7-9, benzotriazole 2-3, Tegosept M 0.1-0.2.
Described a kind of ageing-resistant rubber material, be made up of following concrete steps:
(1) mixing of dextrin, cerium oxide, polygorskite and antimonous oxide is added deionized water according to solid-to-liquid ratio 1:2-3-3 and mixes well, then add Tegosept M be heated to boiling under constantly stirring, after dope to be formed, after drying, grinding is for subsequent use;
(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, accelerator ZDMC and coumarone indene resin 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, as strongthener, can reduce mechanical property greatly because being directly added in rubber, reduction work-ing life, and graphite is added in the spinning solution of polyacrylonitrile by the present invention, passes through spinning, oxidation, the mode of charing obtains the polyacrylonitrile carbon fiber of mineral carbon load, is attached to that it is surperficial by liquid acrylonitrile butadiene rubber, prevents excessive gathering, then blendedly coprecipitatedly obtains rubber master batch, then has excellent intensity with the mixing elastomeric material obtained of rubber, fatigue resistance, heat conduction, anti-attrition, the characteristic such as corrosion-resistant, the treated cerium oxide of interpolation, polygorskite and antimonous oxide improve elastomeric material greatly to ultraviolet sorption, not easily aging, and fire-resistant, heat-resisting, excellent insulation performance, elastomeric material of the present invention, good springiness, wear-resisting, anti-aging, degree of drawing is strong, is a kind of elastomeric material of high-quality, and preparation technology is simple, and cost is low, is worthy to be popularized.
Embodiment
A kind of ageing-resistant rubber material, be made up of the raw material of following weight part (kilogram): gather ammonium phosphate ester 6,2,2' dithio-bis-benzothiazole 1, accelerator ZDMC 2, coumarone indene resin 5, 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, dextrin 4, cerium oxide 1, polygorskite 10, antimonous oxide 7, benzotriazole 2, Tegosept M 0.1.
Described a kind of ageing-resistant rubber material, be made up of following concrete steps:
(1) mixing of dextrin, cerium oxide, polygorskite and antimonous oxide is added deionized water according to solid-to-liquid ratio 1:2 and mixes well, then add Tegosept M be heated to boiling under constantly stirring, after dope to be formed, after drying, grinding is for subsequent use;
(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, accelerator ZDMC and coumarone indene resin 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): 53, tensile strength (MPa): 3.5,100% stress at definite elongation (MPa): 1.6, elongation at break (%): 466, setafter break (%): 7, tear strength (KN/m): 35.3, frictional coefficient: 0.8, volume wear (mm3): 6.7.
Claims (2)
1. an ageing-resistant rubber material, it is characterized in that, be made up of the raw material of following weight part: poly-ammonium phosphate ester 6-8,2,2'-dithio-bis-benzothiazole 1-2, accelerator ZDMC 2-3, coumarone indene resin 5-7, 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, dextrin 4-5, cerium oxide 1-2, polygorskite 10-12, antimonous oxide 7-9, benzotriazole 2-3, Tegosept M 0.1-0.2.
2. a kind of ageing-resistant rubber material according to claim 1, is characterized in that, be made up of following concrete steps:
(1) mixing of dextrin, cerium oxide, polygorskite and antimonous oxide is added deionized water according to solid-to-liquid ratio 1:2-3-3 and mixes well, then add Tegosept M be heated to boiling under constantly stirring, after dope to be formed, after drying, grinding is for subsequent use;
(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, accelerator ZDMC and coumarone indene resin 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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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105906870A (en) * | 2016-06-22 | 2016-08-31 | 阮丽丽 | Abrasion-resistant rubber and preparation method thereof |
CN106188694A (en) * | 2016-08-17 | 2016-12-07 | 安徽微威胶件集团有限公司 | Automobile Antioxidant rubber material and preparation method thereof |
CN106279827A (en) * | 2016-08-17 | 2017-01-04 | 安徽微威胶件集团有限公司 | A kind of new waterproof elastomeric material |
CN106279824A (en) * | 2016-08-17 | 2017-01-04 | 安徽微威胶件集团有限公司 | Water proof rubber material and preparation method thereof |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105906870A (en) * | 2016-06-22 | 2016-08-31 | 阮丽丽 | Abrasion-resistant rubber and preparation method thereof |
CN106188694A (en) * | 2016-08-17 | 2016-12-07 | 安徽微威胶件集团有限公司 | Automobile Antioxidant rubber material and preparation method thereof |
CN106279827A (en) * | 2016-08-17 | 2017-01-04 | 安徽微威胶件集团有限公司 | A kind of new waterproof elastomeric material |
CN106279824A (en) * | 2016-08-17 | 2017-01-04 | 安徽微威胶件集团有限公司 | Water proof rubber material and preparation method thereof |
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Application publication date: 20160316 |