CN105462019A - 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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- CN105462019A CN105462019A CN201510915580.1A CN201510915580A CN105462019A CN 105462019 A CN105462019 A CN 105462019A CN 201510915580 A CN201510915580 A CN 201510915580A CN 105462019 A CN105462019 A CN 105462019A
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- China
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- rubber
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- rubber composite
- temperature
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Classifications
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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
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
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 regenerated rubber, 5-10 parts of attapulgite, 3-5 parts of dolomite powder, 4-6 parts of rosin, 5-10 parts of silicone rubber, 3-5 parts of epoxidized soybean oil, 2-4 parts of butyl acrylate, 0.1-0.2 part of potassium persulfate, 1-2 parts of erucyl amide, 1-2 parts of zinc stearate, 0.1-0.2 part of sodium dodecyl sulfate, 1-2 parts of sulphur and 20-30 parts of a compound additive. The rubber composite for the tire has very good mechanical property and processability, and the tread of the tire made of rubber composite has excellent low-temperature resistance and low probabilities of hardening and embrittlement, and is suitable for being used in cold environment in winter.
Description
Technical field
The present invention relates to regenerated rubber technical field, particularly relate to a kind of low temperature 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, tire tread is in easily hardening in low temperature environment becoming fragile, performance significantly declines, and the Tire rubber material therefore used under long-term cold conditions in the winter time should have certain low temperature resistant ability, reaches the normal demand used with guaranteed performance.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of low temperature resistant tyre rubber matrix material and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of low temperature resistant tyre rubber matrix material, it is obtained by the raw material of following weight parts:
Regenerated rubber 60-80, attapulgite 15-25, ground dolomite 10-15, rosin 6-8, silicon rubber 10-15, epoxy soybean oil 3-5, butyl acrylate 2-4, Potassium Persulphate 0.15-0.25, erucicamide 1-2, Zinic stearas 1-2, sodium lauryl sulphate 0.15-0.25, sulphur 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 low temperature resistant tyre rubber matrix material, comprises the following steps:
(1) mix with water by solid-liquid weight ratio 1:4-1:5 after attapulgite being mixed with ground dolomite, 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, silicon rubber being mixed with composite assistant, 80-100 DEG C mixes 0.5-1h, then adds Zinic stearas and epoxy soybean 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 low temperature 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 attapulgite and ground dolomite 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 resistance to low temperature produced is good, and not easily hardening embrittlement, is adapted at using in cold environment in winter.
Embodiment
A kind of low temperature resistant tyre rubber matrix material, it is obtained by the raw material of following weight parts:
Regenerated rubber 60, attapulgite 15, ground dolomite 10, rosin 6, silicon rubber 10, epoxy soybean oil 3, butyl acrylate 2, Potassium Persulphate 0.15, erucicamide 1, Zinic stearas 1, sodium lauryl sulphate 0.15, sulphur 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 low temperature resistant tyre rubber matrix material, comprises the following steps:
(1) mix with water by solid-liquid weight ratio 1:4 after attapulgite being mixed with ground dolomite, 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, silicon rubber are mixed latter 80 DEG C with composite assistant and mix 0.5h, then add Zinic stearas and epoxy soybean 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 low temperature 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 (25 DEG C): 61 degree;
Shao Er A type hardness tester (-25 DEG C): 63 degree;
Tensile strength: 22.5MPa;
Tensile yield: 570%.
Claims (2)
1. a low temperature resistant tyre rubber matrix material, is characterized in that, it is obtained by the raw material of following weight parts:
Regenerated rubber 60-80, attapulgite 15-25, ground dolomite 10-15, rosin 6-8, silicon rubber 10-15, epoxy soybean oil 3-5, butyl acrylate 2-4, Potassium Persulphate 0.15-0.25, erucicamide 1-2, Zinic stearas 1-2, sodium lauryl sulphate 0.15-0.25, sulphur 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 low temperature resistant tyre rubber matrix material according to claim 1, is characterized in that, comprise the following steps:
(1) mix with water by solid-liquid weight ratio 1:4-1:5 after attapulgite being mixed with ground dolomite, 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, silicon rubber being mixed with composite assistant, 80-100 DEG C mixes 0.5-1h, then adds Zinic stearas and epoxy soybean 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 low temperature resistant tyre rubber matrix material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510915580.1A CN105462019A (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 |
|---|---|---|---|
| CN201510915580.1A CN105462019A (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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| CN105462019A true CN105462019A (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510915580.1A Pending CN105462019A (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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| CN (1) | CN105462019A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017206583A (en) * | 2016-05-16 | 2017-11-24 | 住友ゴム工業株式会社 | Rubber composition |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105001533A (en) * | 2015-07-09 | 2015-10-28 | 安徽省华洋橡胶有限公司 | Modified butyl rubber material for automobile inner tube |
| CN105037975A (en) * | 2015-07-09 | 2015-11-11 | 安徽省华洋橡胶有限公司 | High-temperature resistant rubber material for automobile tires |
| CN105037968A (en) * | 2015-07-09 | 2015-11-11 | 安徽省华洋橡胶有限公司 | Environment-friendly rubber tire material |
-
2015
- 2015-12-09 CN CN201510915580.1A patent/CN105462019A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105001533A (en) * | 2015-07-09 | 2015-10-28 | 安徽省华洋橡胶有限公司 | Modified butyl rubber material for automobile inner tube |
| CN105037975A (en) * | 2015-07-09 | 2015-11-11 | 安徽省华洋橡胶有限公司 | High-temperature resistant rubber material for automobile tires |
| CN105037968A (en) * | 2015-07-09 | 2015-11-11 | 安徽省华洋橡胶有限公司 | Environment-friendly rubber tire material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017206583A (en) * | 2016-05-16 | 2017-11-24 | 住友ゴム工業株式会社 | Rubber composition |
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Application publication date: 20160406 |