CN105462021A - Low-temperature-resistant rubber composite for tire and preparation method of low-temperature-resistant rubber composite - Google Patents
Low-temperature-resistant rubber composite for tire and preparation method of low-temperature-resistant rubber composite Download PDFInfo
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- CN105462021A CN105462021A CN201510915598.1A CN201510915598A CN105462021A CN 105462021 A CN105462021 A CN 105462021A CN 201510915598 A CN201510915598 A CN 201510915598A CN 105462021 A CN105462021 A CN 105462021A
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- rubber composite
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L17/00—Compositions of reclaimed rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
- B60C1/0016—Compositions of the tread
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a low-temperature-resistant rubber composite for a tire. The low-temperature-resistant rubber composite is prepared from the following raw materials in parts by weight: 60-80 parts of reclaimed rubber, 5-10 parts of neoprene, 3-5 parts of an ethylene-vinyl acetate copolymer, 20-30 parts of boron carbide, 10-15 parts of graphite powder, 6-8 parts of rosin, 2-4 parts of butyl acrylate, 0.15-0.25 part of potassium persulfate, 1-2 parts of polyamide wax micro-powder, 0.15-0.25 part of sodium dodecyl sulfate, 1-2 parts of zinc stearate, 1-2 parts of sulfur, 1-2 parts of dimethyl silicone oil and 5-10 parts of a compound additive. The rubber composite for the tire is favorable in mechanical property and processability, and the tread of the tire made of the rubber composite is good in corrosion resistance and suitable for being used in the environments which are corrosive to some extent.
Description
Technical field
The present invention relates to regenerated rubber technical field, particularly relate to a kind of corrosion-resistant tyre rubber matrix material and preparation method thereof.
Background technology
Along with expanding economy, the demand of rubber is also being promoted.Meanwhile, the process of waste old also becomes one of serious problems that people face.The degradation property of rubber is poor, over a long time can not natural degradation, and a large amount of waste olds not only causes potential threat to physical environment, wastes resource.One of main path of waste old comprehensive utilization again processes waste old, makes it be converted into regenerated rubber, thus make the best use of everything, realize recycling economy development.Regenerated rubber can replace rubber on the one hand, alleviates the serious scarcity of natural rubber; Decrease potential pollution on the other hand, be conducive to environmental protection.
The subject matter that current regenerated rubber exists is exactly that its mechanical property indices declines, and poor processability, only can be applied to low grade products, and its use properties and value added are not high, limits its use in medium and high-grade goods.Therefore, improve over-all properties and the value added of reclaimed rubber products, widen the important development direction that its range of application is current reclaimed rubber products.Rubber is often applied to manufacture doughnut, if when automobile contacts certain corrosive environment in the process of moving, tire tread should have good corrosion resistance nature, can reach the normal demand used with guaranteed performance and life-span.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of corrosion-resistant tyre rubber matrix material and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of corrosion-resistant tyre rubber matrix material, it is obtained by the raw material of following weight parts:
Regenerated rubber 60-80, chloroprene rubber 5-10, ethylene-vinyl acetate copolymer 3-5, norbide 20-30, Graphite Powder 99 10-15, rosin 6-8, butyl acrylate 2-4, Potassium Persulphate 0.15-0.25, polyamide wax micropowder 1-2, sodium lauryl sulphate 0.15-0.25, Zinic stearas 1-2, sulphur 1-2, dimethyl silicone oil 1-2, composite assistant 5-10;
Wherein composite assistant is made up of the raw material of following weight part: tea-seed oil 30-40, turps 3-5, glycerol 1-2, tributyl acetylcitrate 10-15, phytic acid 0.5-1,1-2, nano titanium oxide 1-2; The preparation method of composite assistant be by after glycerol, phytic acid, mixing 80-90 DEG C stir 0.5-1h, then mix with all the other raw materials, 50-60 DEG C, 1000-1500r/min stirs 1-2h, after cooling and get final product.
A preparation method for corrosion-resistant tyre rubber matrix material, comprises the following steps:
(1) norbide and Graphite Powder 99 are pressed solid-liquid weight ratio 1:4-1:5 to mix with water, add butyl acrylate and sodium lauryl sulphate 90-95 DEG C again, 1000-1500r/min stirs 5-10min, then instill rapidly the rosin of melting and stir 10-15min under similarity condition, finally add Potassium Persulphate 70-80 DEG C of reaction 4-6h, cooled and filtered, be ground to 100-200 order after 100-120 DEG C of drying completely, obtain modified powder;
(2) after regenerated rubber, chloroprene rubber, ethylene-vinyl acetate copolymer being mixed with composite assistant, 80-100 DEG C mixes 0.5-1h, then adds Zinic stearas and dimethyl silicone oil 50-60 DEG C of stirring 1-2h, obtains rubber stock;
(3) modified powder in (1) is added in reactor jointly with the rubber stock in (2) mix 10-15min prior to 100-120 DEG C, then all the other raw materials are added in 60-100 DEG C of mixing 0.5-1h, finally extrude with twin screw extruder 200-240 DEG C, obtain corrosion-resistant tyre rubber matrix material.
Advantage of the present invention is:
Containing abundant activeconstituents in tea-seed oil, comprise tea-polyphenol, sterol, squalene etc., auxiliary softening effect can be played, tea-seed oil has stronger perviousness simultaneously, can penetrate in the space of rubber molecular chain rapidly and equably, increase rubber molecule spacing, contribute to flexibility and the mobility of improving sizing material, improve the processing characteristics of regenerated rubber.
The present invention is composite with tea-seed oil, turps and tributyl acetylcitrate, be aided with phytic acid, nano titanium oxide isoreactivity composition obtains composite assistant, the plasticity-of sizing material, mobility, tackiness can be increased, effectively improve weathering resistance and the processing characteristics of regenerated rubber; Rosin and butyl acrylate active group is introduced to norbide and Graphite Powder 99 mixed powder surface by emulsion copolymerization reaction, can interact with rubber molecular chain group, effectively improve the consistency of powder and sizing material, powder is uniformly dispersed in sizing material, improves the mechanical property of sizing material; Utilize the composite of each raw material and synergy, make the tyre rubber matrix material obtained have good mechanical property and processing characteristics, its tire tread good corrosion resistance produced, be adapted at having in certain corrosive environment and use.
Embodiment
A kind of corrosion-resistant tyre rubber matrix material, it is obtained by the raw material of following weight parts:
Regenerated rubber 60, chloroprene rubber 5, ethylene-vinyl acetate copolymer 3, norbide 20, Graphite Powder 99 10, rosin 6, butyl acrylate 2, Potassium Persulphate 0.15, polyamide wax micropowder 1, sodium lauryl sulphate 0.15, Zinic stearas 1, sulphur 1, dimethyl silicone oil 1, composite assistant 5;
Wherein composite assistant is made up of the raw material of following weight part: tea-seed oil 30, turps 3, glycerol 1, tributyl acetylcitrate 10, phytic acid 0.5,1, nano titanium oxide 1; Glycerol, phytic acid, latter 80 DEG C of mixing are stirred 0.5h by the preparation method of composite assistant, then mix with all the other raw materials, 50 DEG C, 1000r/min stirs 1h, after cooling and get final product.
A preparation method for corrosion-resistant tyre rubber matrix material, comprises the following steps:
(1) norbide and Graphite Powder 99 are pressed solid-liquid weight ratio 1:4 to mix with water, add butyl acrylate again and sodium lauryl sulphate 90 DEG C, 1000r/min stir 5min, then instill rapidly the rosin of melting and stir 10min under similarity condition, finally add Potassium Persulphate 70 DEG C reaction 4h, cooled and filtered, be ground to 100 orders after 100 DEG C of dryings completely, obtain modified powder;
(2) regenerated rubber, chloroprene rubber, ethylene vinyl acetate are mixed latter 80 DEG C with composite assistant and mix 0.5h, then add Zinic stearas and dimethyl silicone oil 50 DEG C stirring 1h, obtain rubber stock;
(3) modified powder in (1) is added in reactor jointly with the rubber stock in (2) mix 10min prior to 100 DEG C, then all the other raw materials are added in 60 DEG C of mixing 0.5h, finally extrude with twin screw extruder 200 DEG C, obtain corrosion-resistant tyre rubber matrix material.
Carry out performance test to above-mentioned obtained rubber composite, result is as follows:
Shao Er A type hardness tester: 66 degree;
Tensile strength: 20.1MPa;
Tensile yield: 520%;
Resistance to 5%NaOH(70 DEG C × 1h): tensile strength velocity of variation :+2%, elongation change rate :+1%.
Claims (2)
1. a corrosion-resistant tyre rubber matrix material, is characterized in that, it is obtained by the raw material of following weight parts:
Regenerated rubber 60-80, chloroprene rubber 5-10, ethylene-vinyl acetate copolymer 3-5, norbide 20-30, Graphite Powder 99 10-15, rosin 6-8, butyl acrylate 2-4, Potassium Persulphate 0.15-0.25, polyamide wax micropowder 1-2, sodium lauryl sulphate 0.15-0.25, Zinic stearas 1-2, sulphur 1-2, dimethyl silicone oil 1-2, composite assistant 5-10;
Described composite assistant is made up of the raw material of following weight part: tea-seed oil 30-40, turps 3-5, glycerol 1-2, tributyl acetylcitrate 10-15, phytic acid 0.5-1,1-2, nano titanium oxide 1-2; The preparation method of composite assistant be by after glycerol, phytic acid, mixing 80-90 DEG C stir 0.5-1h, then mix with all the other raw materials, 50-60 DEG C, 1000-1500r/min stirs 1-2h, after cooling and get final product.
2. the preparation method of a kind of corrosion-resistant tyre rubber matrix material according to claim 1, is characterized in that, comprise the following steps:
(1) norbide and Graphite Powder 99 are pressed solid-liquid weight ratio 1:4-1:5 to mix with water, add butyl acrylate and sodium lauryl sulphate 90-95 DEG C again, 1000-1500r/min stirs 5-10min, then instill rapidly the rosin of melting and stir 10-15min under similarity condition, finally add Potassium Persulphate 70-80 DEG C of reaction 4-6h, cooled and filtered, be ground to 100-200 order after 100-120 DEG C of drying completely, obtain modified powder;
(2) after regenerated rubber, chloroprene rubber, ethylene-vinyl acetate copolymer being mixed with composite assistant, 80-100 DEG C mixes 0.5-1h, then adds Zinic stearas and dimethyl silicone oil 50-60 DEG C of stirring 1-2h, obtains rubber stock;
(3) modified powder in (1) is added in reactor jointly with the rubber stock in (2) mix 10-15min prior to 100-120 DEG C, then all the other raw materials are added in 60-100 DEG C of mixing 0.5-1h, finally extrude with twin screw extruder 200-240 DEG C, obtain corrosion-resistant tyre rubber matrix material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510915598.1A CN105462021A (en) | 2015-12-09 | 2015-12-09 | Low-temperature-resistant rubber composite for tire and preparation method of low-temperature-resistant rubber composite |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510915598.1A CN105462021A (en) | 2015-12-09 | 2015-12-09 | Low-temperature-resistant rubber composite for tire and preparation method of low-temperature-resistant rubber composite |
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| CN105462021A true CN105462021A (en) | 2016-04-06 |
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| CN201510915598.1A Pending CN105462021A (en) | 2015-12-09 | 2015-12-09 | Low-temperature-resistant rubber composite for tire and preparation method of low-temperature-resistant rubber composite |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106496809A (en) * | 2016-10-09 | 2017-03-15 | 闻承岳 | A kind of waterproof anti-corrosion weather strip for automobile elastomeric material and preparation method thereof |
| CN107936332A (en) * | 2017-12-15 | 2018-04-20 | 重庆友拓汽车零部件有限公司 | A kind of wear resistant automobile cover tire formula and its preparation process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334281A (en) * | 2001-06-15 | 2002-02-06 | 华中科技大学 | Process for preparing inorganic filler reinforced polymer composite material |
| CN102731864A (en) * | 2012-05-30 | 2012-10-17 | 芜湖荣基密封系统有限公司 | Reclaimed nitrile rubber sealing ring material |
| CN104334336A (en) * | 2012-05-30 | 2015-02-04 | 普利司通奔达可有限责任公司 | Tire tread and method of making the same |
| CN104710801A (en) * | 2015-03-26 | 2015-06-17 | 北京中海荣达科贸有限公司 | Reclaimed rubber softening agent and preparation method thereof |
-
2015
- 2015-12-09 CN CN201510915598.1A patent/CN105462021A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334281A (en) * | 2001-06-15 | 2002-02-06 | 华中科技大学 | Process for preparing inorganic filler reinforced polymer composite material |
| CN102731864A (en) * | 2012-05-30 | 2012-10-17 | 芜湖荣基密封系统有限公司 | Reclaimed nitrile rubber sealing ring material |
| CN104334336A (en) * | 2012-05-30 | 2015-02-04 | 普利司通奔达可有限责任公司 | Tire tread and method of making the same |
| CN104710801A (en) * | 2015-03-26 | 2015-06-17 | 北京中海荣达科贸有限公司 | Reclaimed rubber softening agent and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106496809A (en) * | 2016-10-09 | 2017-03-15 | 闻承岳 | A kind of waterproof anti-corrosion weather strip for automobile elastomeric material and preparation method thereof |
| CN107936332A (en) * | 2017-12-15 | 2018-04-20 | 重庆友拓汽车零部件有限公司 | A kind of wear resistant automobile cover tire formula and its preparation process |
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Application publication date: 20160406 |
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