CN102229713A - Durable rubber and sample preparation method thereof - Google Patents
Durable rubber and sample preparation method thereof Download PDFInfo
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- CN102229713A CN102229713A CN 201110126698 CN201110126698A CN102229713A CN 102229713 A CN102229713 A CN 102229713A CN 201110126698 CN201110126698 CN 201110126698 CN 201110126698 A CN201110126698 A CN 201110126698A CN 102229713 A CN102229713 A CN 102229713A
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Abstract
The invention discloses a durable rubber and a sample preparation method thereof. The raw materials comprise the following ingredients: smoked sheet rubber, butadiene rubber, white carbon black, coupling agent Si69, carbon black, zinc oxide, stearic acid, aromatic oil, sulfur, promoter CZ, antioxidant 4020, peptizer WP, and coumarone indene resin. The sample preparation method of the durable rubber comprises the following steps: first, modifying white carbon black; second, preparing a blend; third, vulcanizing the sample on a flat vulcanizing machine under the vulcanization condition of 160 DEG C/15MPa*t90, standing the vulcanized sample for 12 hours, waiting for test; and fourth, testing performance. The durable rubber is prepared by using the blend formula with optimum mix ratio of various ingredients, can significantly improve the physical and mechanical properties of the vulcanizate, improve the dynamic performance of the product, increase the flexion time, improve the fatigue resistance, and improve the service life.
Description
Technical field
The present invention relates to a kind of rubber and preparation method of sample thereof.
Background technology
In recent years, because the world energy sources anxiety, oil price soars, and drives with oil, and gas is that the various robber materialses and the processing aid price of raw material raises up, and can the wearing quality that further promote rubber product be the technical barrier of pendulum in face of the research staff of this area.Problems such as present rubber item exists resistance to fatigue poor, and is easily aging, and the life-span is low.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of durable rubber and preparation method of sample thereof are provided, and the life-span of this durable rubber sample reaches 3,000,000 times, has improved wearing quality, with deficiencies such as the rubber item work-ing life that overcomes that prior art exists are short.
In order to solve described technical problem, durable rubber of the present invention by the following technical solutions: its raw material comprises following component: smoke sheet rubber, cis-1,4-polybutadiene rubber, white carbon black, coupling agent Si69, carbon black, zinc oxide, stearic acid, aromatic hydrocarbon oil, sulphur, accelerant CZ, anti-aging agent 4020, peptizer WP, coumarone indene resin.
Smoke sheet rubber-50, cis-1,4-polybutadiene rubber-50, white carbon black-10, coupling agent Si69-2, carbon black-50, zinc oxide-5, stearic acid-2, aromatic hydrocarbon oil-10 sulphur-1.5, accelerant CZ-2.5, anti-aging agent 4020-2, peptizer WP-0.8, coumarone indene resin-3.0.
Particle diameter 12～18nm(nano level of white carbon black), specific surface area 640 ㎡ g-1.
Durable rubber preparation method of sample of the present invention is: it comprises following process: the first, and white carbon black modification; The second, the blended rubber preparation; The 3rd, sample vulcanizes on vulcanizing press, and cure conditions is 160 ℃/15MPa * t90; The sulfuration sample is parked 12h, and is to be measured; The 4th, performance test.
" the white carbon black modification " of first step adopts direct addition method, before adding sulphur and promotor, coupling agent Si-69 directly joined in the white carbon black, and be mixing under the normal temperature.
The calendering process that adopts in " the blended rubber preparation " of second step is: 10 times → peptizer of rubber thin-pass WP → small powder → carbon black, white carbon black and coupling agent Si69, after oil plant → vulcanization system material feeding about each 3 cutter → beat sheet under the 3 times → exhaust of triangle bag.Wherein rubber refers to smoke sheet rubber, cis-1,4-polybutadiene rubber; Small powder comprises stearic acid, anti-aging agent 4020, zinc oxide, ancient marlon resin; Vulcanization system refers to accelerant CZ, sulphur.
Durable rubber of the present invention adopts the blended rubber material formula of various starting material optimum mixs can significantly improve the physical and mechanical properties of vulcanized rubber, improves the dynamic property of product, improves and subdues number of times, improves resistance to fatigue, improves work-ing life.
Embodiment
Embodiments of the invention: main raw material(s) of the present invention is: rubber smoked sheet, Malaysian product.Cis-1,4-polybutadiene rubber (trade mark BR 9000), Qilu Co., Ltd., China Petrochemical Corp's product.Nano white carbon black, about particle diameter 15nm, specific surface area 640 ㎡ g-1, Zi Gong, Sichuan nano material company limited provides.
Raw-material basic recipe is (weight part): NR-50, BR-50, white carbon black-10, coupling agent Si69-2, carbon black-50, zinc oxide-5, stearic acid-2, aromatic hydrocarbon oil-10, sulphur-1.5, accelerant CZ-2.5, anti-aging agent 4020-2, peptizer WP-0.8, coumarone indene resin-3.0.
Preparation method of sample of the present invention comprises following process:
The first, white carbon black modification.Adopt direct addition method, before adding sulphur and promotor, a certain amount of coupling agent Si-69 is directly joined in the white carbon black, mixing under the normal temperature.
The second, the blended rubber preparation.The employing calendering process is: rubber (thin-pass 10 times) → peptizer WP → small powder → carbon black, white carbon black and coupling agent Si69, oil plant → vulcanization system (each 3 cutter about after the material feeding) → beat sheet under the 3 times → exhaust of triangle bag.
The 3rd, sample vulcanizes on vulcanizing press, and cure conditions is 160 ℃/15MPa * t90; The sulfuration sample is parked 12h, and is to be measured.
The 4th, performance test
(1) physical property of sample sees Table 1:
Table 1(is provided by rubber item industry product quality monitoring testing station)
| 8 | Sticking and the intensity of vulcanized rubber and fabric, KN/m | 2.5 | Shell not open | Qualified |
(2) flexible resistance
In the performance test of cross-linked rubber flex crack, sizing material has three samples, whenever subdues and observes a breach rank for 1.5 ten thousand times, and the breach rank is divided into the 0-6 level from small to large, and 0 grade for not splitting me, and 6 grades for breaking, and passes through and tests, and subduing rank after sample is subdued 3,000,000 times is 0.Simultaneously product also reaches 3000000 gastight requirements work-ing life.
Conclusion (of pressure testing): by test as can be seen, adopt the blended rubber material formula of various material optimum mixs can significantly improve the physical and mechanical properties of vulcanized rubber, improve the dynamic property of product, in the work-ing life of having improved product, satisfy the product service requirements.
Claims (6)
1. durable rubber, it is characterized in that: its raw material comprises following component: smoke sheet rubber, cis-1,4-polybutadiene rubber, white carbon black, coupling agent Si69, carbon black, zinc oxide, stearic acid, aromatic hydrocarbon oil, sulphur, accelerant CZ, anti-aging agent 4020, peptizer WP, coumarone indene resin.
2. durable rubber according to claim 1 is characterized in that: the weight part of each feed composition is as follows: smoke sheet rubber-50, cis-1,4-polybutadiene rubber-50, white carbon black-10, coupling agent Si69-2, carbon black-50, zinc oxide-5, stearic acid-2, aromatic hydrocarbon oil-10 sulphur-1.5, accelerant CZ-2.5, anti-aging agent 4020-2, peptizer WP-0.8, coumarone indene resin-3.0.
3. durable rubber according to claim 1 is characterized in that: the particle diameter 12～18nm of nano white carbon black, specific surface area 640 ㎡ g-1.
4. preparation method of sample as the described durable rubber of the arbitrary claim of claim 1～3, it is characterized in that: it comprises following process: the first, white carbon black modification; The second, the blended rubber preparation; The 3rd, sample vulcanizes on vulcanizing press, and cure conditions is 160 ℃/15MPa * t90; The sulfuration sample is parked 12h, and is to be measured; The 4th, performance test.
5. the preparation method of sample of durable rubber according to claim 4, it is characterized in that: " the white carbon black modification " of first step adopts direct addition method, before adding sulphur and promotor, coupling agent Si-69 is directly joined in the white carbon black, mixing under the normal temperature.
6. the preparation method of sample of durable rubber according to claim 4, it is characterized in that: the calendering process that adopts in " the blended rubber preparation " of second step is: 10 times → peptizer of rubber thin-pass WP → small powder → carbon black, white carbon black and coupling agent Si69, after aromatic hydrocarbon oil → vulcanization system material feeding about each 3 cutter → beat sheet under the 3 times → exhaust of triangle bag; Wherein rubber refers to smoke sheet rubber, cis-1,4-polybutadiene rubber; Small powder comprises stearic acid, anti-aging agent 4020, zinc oxide, ancient marlon resin; Vulcanization system refers to accelerant CZ, sulphur.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110126698 CN102229713A (en) | 2011-05-17 | 2011-05-17 | Durable rubber and sample preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110126698 CN102229713A (en) | 2011-05-17 | 2011-05-17 | Durable rubber and sample preparation method thereof |
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| CN102229713A true CN102229713A (en) | 2011-11-02 |
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| CN 201110126698 Pending CN102229713A (en) | 2011-05-17 | 2011-05-17 | Durable rubber and sample preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102643459A (en) * | 2012-05-08 | 2012-08-22 | 无锡宝通带业股份有限公司 | Super-wear-resistant covering rubber for conveying belt and preparation method thereof |
| CN102924762A (en) * | 2012-11-08 | 2013-02-13 | 沈阳化工大学 | Sulfur pre-dispersing mother rubber particle tread rubber and preparation method thereof |
| CN103131059A (en) * | 2012-12-19 | 2013-06-05 | 安徽中鼎减震橡胶技术有限公司 | Rubber material and method for manufacturing automobile control arm lining with rubber material |
| CN104497378A (en) * | 2015-01-04 | 2015-04-08 | 宁波大学 | Anti-cracking high-performance rubber composite material and preparation method thereof |
| CN106046439A (en) * | 2016-06-30 | 2016-10-26 | 高海燕 | Rubber composition for aging-resistant tire |
| CN109109248A (en) * | 2017-06-26 | 2019-01-01 | 洛阳尖端技术研究院 | A kind of molding vulcanization process and patch |
-
2011
- 2011-05-17 CN CN 201110126698 patent/CN102229713A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 《橡胶材料与配方》 20040731 聂恒凯主编 橡胶补强填充体系 化学工业出版社 , * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102643459A (en) * | 2012-05-08 | 2012-08-22 | 无锡宝通带业股份有限公司 | Super-wear-resistant covering rubber for conveying belt and preparation method thereof |
| CN102924762A (en) * | 2012-11-08 | 2013-02-13 | 沈阳化工大学 | Sulfur pre-dispersing mother rubber particle tread rubber and preparation method thereof |
| CN102924762B (en) * | 2012-11-08 | 2015-06-10 | 沈阳化工大学 | Sulfur pre-dispersing mother rubber particle tread rubber and preparation method thereof |
| CN103131059A (en) * | 2012-12-19 | 2013-06-05 | 安徽中鼎减震橡胶技术有限公司 | Rubber material and method for manufacturing automobile control arm lining with rubber material |
| CN104497378A (en) * | 2015-01-04 | 2015-04-08 | 宁波大学 | Anti-cracking high-performance rubber composite material and preparation method thereof |
| CN106046439A (en) * | 2016-06-30 | 2016-10-26 | 高海燕 | Rubber composition for aging-resistant tire |
| CN109109248A (en) * | 2017-06-26 | 2019-01-01 | 洛阳尖端技术研究院 | A kind of molding vulcanization process and patch |
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Application publication date: 20111102 |