CN105646959A - Rubber composition, rubber composition preparation method and application of rubber composition to 3D (three-dimensional) printing of pneumatic tires - Google Patents
Rubber composition, rubber composition preparation method and application of rubber composition to 3D (three-dimensional) printing of pneumatic tires Download PDFInfo
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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
- C08L7/00—Compositions of natural rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
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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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Abstract
The invention relates to a rubber composition and a preparation method thereof. The rubber composition can be applied to 3D (three-dimensional) printing of pneumatic tires and is composed of, by weight, 100 parts of conjugated diene polymers, 8-10 parts of nonconjugated olefin copolymers, 25-30 parts of reinforcement materials, 1-5 parts of crosslinking agent, 1-5 parts of antiaging agent, 1-5 parts of accelerant, 1-8 parts of vulcanizing agent, 0.5-1 part of heat stabilizer and 5-10 parts of solvent. When the rubber composition is applied to 3D printing of the pneumatic tires, high processing adaptability can be achieved, and manufactured tires have excellent physical performances.
Description
Technical field
The present invention relates to a kind of rubber composition and preparation method thereof, this rubber composition can apply to 3D and prints manufacture air core tyre.
Background technology
3 D Printer is the new advanced manufacturing technology risen the early 1990s later 1980s and develop rapidly, it is based on a kind of mathematical model file, use powdery metal or plastics etc. can jointing material, carried out the technology of constructed object by the mode successively printed. It it is the Integration ofTechnology of CAD, Numeric Control Technology, laser technology and Materials Science and Engineering. Design philosophy can be turned materially the prototype with certain 26S Proteasome Structure and Function or directly manufacture parts by automatically and quickly, thus product design can be carried out Fast Evaluation, amendment, to respond the market demand, improves the competitiveness of enterprise. 3D printing technique is widely used in the industries such as automobile, household electrical appliances, electric tool, medical treatment, machining, hot investment casting, Aero-Space, artware manufacture and toy for children. The main advantage that 3D prints includes: 1, manufacture complex article; 2, product diversification does not increase cost; 3, with short production cycle; 4, zero technical ability manufacture; 5, do not take up space, portable manufacture; 6, material is saved.
3D printing technique achieves the development attracted people's attention, but still faces some challenges, particularly to the material being widely used in 3D printing technique also needs further exploitation. " material " that can be widely used in 3D printing technique need at least meet claimed below: without sharp aroma when (1) prints melted; (2) after material molten, mobility is strong; (3) mould hardness printed is good and intensity is good; (4) can automatic color regulating; (5) low price.
Patent CN104356586A discloses the preparation technology of a kind of 3D printer modified ABS material, comprises the steps, 1) weigh each component and prepare polybutadiene rubber; 2) polybutadiene rubber is dissolved in styrene and the fine monomer of propylene of configuration, adds in reactor, it is achieved phase in version; 3) through multistage phase in version, when conversion ratio reaches more than 70%, devolatilization process is carried out; 4) fused materials carries out pelletize, obtains little particle diameter ABS particle; 5) by double; two to little particle diameter ABS particle and big particle diameter PSF particle mixed extruding pelletizations, target product is obtained;This patented method is material modified mainly by the ABS that double; two to the ABS particle of little particle diameter and the PSF particle of big particle diameter mixed co-extrusion pelletizes are prepared similar nucleocapsid structure, in co-extrusion process, PSF particle diameter is bigger, wrap the ABS particle of little particle diameter, form the shell of nucleocapsid structure, final material is owing to combining ABS material and the advantage of PSF material, and then has good mechanical performance, and bending strength is higher. The preparation method that patent CN104893283A discloses a kind of 3D printed material, by ABS grafting powder plus additive, mixes with SAN granule, after mix homogeneously, and extruding, pelletize, obtain product; The proportioning of four kinds of described raw materials is: in parts by weight, 20��40 parts of ABS grafting powder, additive 5��10 parts, SAN granule 20��40 parts, Polyurethane Thermoplastic Elastomer rubber 50��60 parts; The 3D of this patent prints elastomeric material and has good anti-wear performance.
But, above-mentioned 3D prints elastomeric material and is not appropriate for being applied in the manufacture of air core tyre, first, above-mentioned material also exists the problem that mechanical strength is not high, further, since 3D print procedure is to make material molding by the mode being layered, and when adopting more elastomeric material, after declining due to the temperature of elastomeric material, it is easy to cause that mobility reduces, so that the wearability on surface of tire manufactured, elasticity are not high.
Accordingly, it would be desirable to develop a kind of 3D that is suitable for print the rubber composition used in air core tyre.
Summary of the invention
It is an object of the invention to: provide a kind of and have that mechanical strength is good, the 3D impact system that is suitable for of good fluidity manufactures the rubber composition of air core tyre.
Technical scheme is as follows:
A kind of rubber composition, includes following component by weight: the compound 0.5��1 part shown in conjugated diene polymer 100 parts, non-conjugated olefin copolymer 8��10 parts, Formulas I, supporting material 25��30 parts, cross-linking agent 1��5 part, 1��5 part of age resistor, accelerator 1��5 part, vulcanizing agent 1��8 part, heat stabilizer 0.5��1 part, solvent 5��10 parts;
The structure of the compound shown in Formulas I is as follows:
(I);
In formula, R1Represent the alkyl of carbon number 2��16; R2Represent the alkyl of carbon number 3��16, benzothiazole thioether group or cycloalkyl.
Described conjugated diene polymer is selected from natural rubber, butadiene rubber, isoprene rubber or neoprene.
Described non-conjugated olefin copolymer is selected from EPDM rubber.
Described supporting material is to be mixed according to weight portion 3��5:1 by white carbon black and inorganic filler.
It is 20m that described carbon black carbon black has N2 adsorption specific surface area2/ g��100m2/g��
Described age resistor is any one or any two or more mixing by any quality proportioning in antioxidant 4010NA, anti-aging agent RD, antioxidant A, antioxidant D, antioxidant A W, antioxidant 4020, antioxidant MB.
Described accelerator is any one or any two or more mixing by any quality proportioning in accelerant N A-22, diphenylguanidine, accelerant CZ, accelerant NOBS, altax, captax, Vulcanization accelerator TMTD, accelerator TRA.
What described vulcanizing agent can adopt is the one in vulcanizing agent BP, DCBP, TBPB, DTPB, DCP or DBPMH.
Described heat stabilizer is selected from one or more in Hinered phenols macromole type antioxidant, phosphorous acid kind antioxidant and alkane esters antioxidant.
Described solvent is any one or any two or more mixing by any quality proportioning in acetone, ethanol, methanol, petroleum ether, hexane, heptane, gasoline, dichloromethane, carbon tetrachloride.
The preparation method of above-mentioned rubber composition, comprise the steps: that by proportioning, each component is added high-speed mixer carries out mix homogeneously, then said mixture is sent in double screw extruder through the feeder of delicate metering, carry out mixing, extrusion, tie rod, cooling, pelletizing;Wherein: the draw ratio of double screw extruder is 32��40, barrel temperature controls at 150��230 DEG C, and screw speed is at 200��600 revs/min.
Above-mentioned rubber composition prints the application in air core tyre at 3D.
Beneficial effect
When rubber composition provided by the invention is applied in 3D printing air core tyre, it is possible to make the course of processing have good flexibility (adaptability) of operation, manufactures the tire obtained and there is the physical property of excellence.
Detailed description of the invention
Below by detailed description of the invention, the present invention is described in further detail. It will be apparent, however, to one skilled in the art, that the following example is merely to illustrate the present invention, and should not be taken as limiting the scope of the invention. Unreceipted concrete technology or condition person in embodiment, technology or condition described by the document in this area or carry out according to product description. Agents useful for same or the unreceipted production firm person of instrument, be can pass through city available from conventional products. Word used herein " includes ", " comprising ", " having " or its any other variant are intended to including of non-exclusionism. Such as, it is not necessarily limited by those key elements including listing the technique of key element, method, article or equipment, but can be included other and be not expressly set out or belong to the key element that this technique, method, article or equipment are intrinsic. The numerical value as range limit not only including clearly listing should be interpreted as in a flexible way using the value of range format expression, but also include all single numerical value or the subinterval that are encompassed within the scope of this, it is expressly recited out just as each numerical value and subinterval. Such as, the concentration range of " about 0.1% to about 5% " should be understood to not only to include the concentration of about 0.1% to about 5% clearly listed, also include single concentration in institute's how (as, 1%, 2%, 3% and 4%) and subinterval (such as, 0.1% to 0.5%, 1% to 2.2%, 3.3% to 4.4%).
The conjugated diene polymer adopted in the present invention is the main component constituting elastomeric material, and the example preferably includes diene series rubber such as natural rubber, butadiene rubber, isoprene rubber and neoprene. These examples can be used alone or are used in combination with it.
The present invention also includes non-conjugated olefin copolymer, it is the enhancing ingredients in rubber composition, it and conjugated diene polymer carry out synergism, using the teaching of the invention it is possible to provide excellent compatibility also provides the resistance to breaking property of improvement and makes adhesion between layer adjacent in 3D print procedure more firmly act on. That preferably copolymer adopts is Ethylene-Propylene-Diene rubber (EPDM), EPDM by the copolymer of a small amount of 3rd component introducing EP rubbers (EPM) i.e. ethylene and propylene being obtained, thus in main chain formation double bond. Have many have different amounts of different types of 3rd component (typically comprise ethylidene norbornene (ENB), 1,4-hexadiene (1,4-HD) and bicyclopentadiene (DCP)) synthetic rubber, the mobility in the mechanical strength of rubber composition, print procedure can be effectively improved after the addition of EPDM.
Heretofore described compound as shown in the formula (I) has following structure:
(I);
In formula, R1Represent the alkyl of carbon number 2��16. R2Represent the alkyl of carbon number 3��16, benzothiazole thioether group or cycloalkyl. It can improve the mobility of the elastomeric material in carrying out 3D print procedure effectively, it is to avoid blocking occurs in shower nozzle, and makes tire have good mechanical performance.The structure of the compound I adopted in following example is R1For isopropyl, R2For cycloalkyl.
Also including supporting material in the rubber composition of the present invention, reinforced filling is not only restricted to any particular type, can use any kind of reinforced filling being capable of desired reinforcing effect. The example includes white carbon black and inorganic filler. When white carbon black is used as reinforced filling, the type of white carbon black can properly select according to its application, and the example includes FEF, GPF, SRF, HAF, N339, IISAF, ISAF and SAF. These examples can be used alone or are used in combination with it. The N2 adsorption specific surface area of white carbon black without particular limitation of, and can properly select according to its application. It is 20m that white carbon black preferably has N2 adsorption specific surface area2/ g��100m2/ g, and it is more preferably 35m2/ g��80m2/ g. If white carbon black has less than 20m2N2 adsorption specific surface area (the N of/g2SA), then gained rubber has relatively low durability, obtains the resistance to crack growth resistance of deficiency. Selectively, if the N2 adsorption specific surface area of white carbon black is more than 100m2/ g, then be likely to deterioration low-loss and be likely to reduce processing effectiveness. When inorganic filler is used as reinforced filling, the type of inorganic filler without particular limitation of, and can properly select according to its application. The example includes silicon dioxide, aluminium hydroxide, clay, aluminium oxide, Talcum, Muscovitum, Kaolin, glass bead, bead, calcium carbonate, magnesium carbonate, magnesium hydroxide, calcium carbonate, magnesium oxide, titanium oxide, potassium titanate and barium sulfate. These examples can be used alone or are used in combination with it. When using inorganic filler, it is also possible to be suitably used silane coupler. Under the preferred conditions, supporting material is to be mixed according to weight portion 3��5:1 by white carbon black and inorganic filler.
The rubber composition of the present invention can mix with cross-linking agent if desired. Cross-linking agent without particular limitation of, and can properly select according to its application. The example includes sulfur system cross-linking agent, organic peroxide system cross-linking agent, inorganic crosslinking agent, Polyamine crosslinking agents, resin cross-linking agent, sulphur compound system cross-linking agent, oxime-nitrosamine system cross-linking agent and sulfur. Wherein, it is preferable that sulfur system cross-linking agent is as rubber composition for tire.
What vulcanizing agent can adopt is the one in vulcanizing agent BP, DCBP, TBPB, DTPB, DCP or DBPMH.
In addition to that mentioned above, it is also possible to comprise vulcanization accelerator. The example of vulcanization accelerator includes: guanidine compound, aldehyde-amine compounds, aldehyde-ammoniac compounds, thiazole compound, sulfenamide compounds, thiourea, thiuram compound, dithiocarbamates compound and xanthates compounds. More specifically, described accelerator is any one or any two or more mixing by any quality proportioning in accelerant N A-22, diphenylguanidine, accelerant CZ, accelerant NOBS, altax, captax, Vulcanization accelerator TMTD, accelerator TRA.
Heat stabilizer is selected from one or more in Hinered phenols macromole type antioxidant, phosphorous acid kind antioxidant and alkane esters antioxidant; It is highly preferred that described heat stabilizer is the coupling of above-mentioned three kinds of antioxidant; Coupling even more preferably from being following three kinds: antioxidant 1010, four [��-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid] pentaerythritol ester (the first); Irgasfos 168, three [2.4-di-tert-butyl-phenyl] phosphite ester (the second) and anti-oxidant DLTP, double; two dodecane ester (the third) of thio-2 acid;Preferably, the ratio of three kinds of antioxidant is 1:0.5��2:0.1��1.
Above-mentioned composition is in the preparation, in order to make component mix homogeneously, solvent can also be added, as long as mix homogeneously when mixing, extrusion can be made respectively to be combined in, the kind of solvent is unrestricted, the concrete example of operable organic solvent, it is possible to enumerate the alcohols such as the arene compounds such as the alkanes such as hexane, hexamethylene, heptane, toluene, dimethylbenzene, methanol, ethanol, isopropanol, butanol, hexanol, Hexalin. It addition, the nitrile compounds such as ester compounds, acetonitrile etc. such as the ethers such as the ketones such as butanone, methyl iso-butyl ketone (MIBK), cycloheptanone, Ketohexamethylene, ether, oxolane, dioxane, ethyl acetate, butyl acetate, methyl formate according to circumstances can also be used. As particularly preferred solvent, there are the alkanes such as hexane, hexamethylene, heptane, the arene compound such as toluene, dimethylbenzene.
In addition; if necessary, it is possible to use any of reagent such as reinforcing agent, softening agent, filler, auxiliary agent, coloring agent, fire retardant, lubricant, foaming agent, plasticizer, processing aid, antioxidant, antiscorching agent, ultraviolet protective agent, antistatic additive, color protection agent and other compounding dose according to its desired use.
The manufacture method of the rubber composition of the present invention is not particularly limited, and is mixed equably by aforementioned each composition. As mixed uniformly method, tangent-type or the engagement type closed mixing machines such as such as kneader, Brabender banbury, Banbury mixer, internal mixture can be listed; Single screw extrusion machine, double screw extruder, mixing mill, cylinder etc., generally can carry out with the temperature range of 70��270 DEG C.
Elastomeric material obtained above can adopt 3D printer commonly known in the art to carry out layering according to the structure of required air core tyre and print, it does not have limit especially.
Embodiment 1
Rubber composition, is prepared by following component by weight: the compound 0.5 part shown in natural rubber 100 parts, EPDM rubber 8 parts, Formulas I, supporting material 25 parts (white carbon black and silicon dioxide mix according to weight ratio 5:1), sulfur system cross-linking agent 1 part, antioxidant 4010NA 1 part, altax 1 part, vulcanizing agent TBPB1��8 part, heat stabilizer (being mixed according to weight ratio 1:1:0.5 by antioxidant 1010, irgasfos 168, anti-oxidant DLTP) 0.5 part, etoh solvent 5 parts;
Each component is added high-speed mixer by proportioning and carries out mix homogeneously, then said mixture is sent in double screw extruder through the feeder of delicate metering, carry out mixing, extrusion, tie rod, cooling, pelletizing; Wherein: the draw ratio of double screw extruder is 32, barrel temperature controls at 190 DEG C, and screw speed is at 300 revs/min.
Embodiment 2
Rubber composition, is prepared by following component by weight: the compound 1 part shown in natural rubber 100 parts, EPDM rubber 10 parts, Formulas I, supporting material 30 parts (white carbon black and silicon dioxide mix according to weight ratio 5:1), sulfur system cross-linking agent 5 parts, antioxidant 4010NA 5 parts, altax 5 parts, vulcanizing agent TBPB8 part, heat stabilizer (being mixed according to weight ratio 1:1:0.5 by antioxidant 1010, irgasfos 168, anti-oxidant DLTP) 1 part, etoh solvent 10 parts;
Each component is added high-speed mixer by proportioning and carries out mix homogeneously, then said mixture is sent in double screw extruder through the feeder of delicate metering, carry out mixing, extrusion, tie rod, cooling, pelletizing;Wherein: the draw ratio of double screw extruder is 40, barrel temperature controls at 200 DEG C, and screw speed is at 180 revs/min.
Embodiment 3
Rubber composition, is prepared by following component by weight: the compound 0.8 part shown in natural rubber 100 parts, EPDM rubber 9 parts, Formulas I, supporting material 28 parts (white carbon black and silicon dioxide mix according to weight ratio 5:1), sulfur system cross-linking agent 3 parts, antioxidant 4010NA 3 parts, altax 3 parts, vulcanizing agent TBPB4 part, heat stabilizer (being mixed according to weight ratio 1:1:0.5 by antioxidant 1010, irgasfos 168, anti-oxidant DLTP) 0.7 part, etoh solvent 7 parts;
Each component is added high-speed mixer by proportioning and carries out mix homogeneously, then said mixture is sent in double screw extruder through the feeder of delicate metering, carry out mixing, extrusion, tie rod, cooling, pelletizing; Wherein: the draw ratio of double screw extruder is 37, barrel temperature controls at 220 DEG C, and screw speed is at 350 revs/min.
Reference examples 1
It is distinctive in that with embodiment 3: do not add EPDM rubber.
Rubber composition, is prepared by following component by weight: the compound shown in natural rubber 100 parts, Formulas I 0.8 part, supporting material 28 parts (white carbon black and silicon dioxide mix according to weight ratio 5:1), sulfur system cross-linking agent 3 parts, antioxidant 4010NA 3 parts, altax 3 parts, vulcanizing agent TBPB4 part, heat stabilizer (being mixed according to weight ratio 1:1:0.5 by antioxidant 1010, irgasfos 168, anti-oxidant DLTP) 0.7 part, etoh solvent 7 parts;
Each component is added high-speed mixer by proportioning and carries out mix homogeneously, then said mixture is sent in double screw extruder through the feeder of delicate metering, carry out mixing, extrusion, tie rod, cooling, pelletizing; Wherein: the draw ratio of double screw extruder is 37, barrel temperature controls at 220 DEG C, and screw speed is at 350 revs/min.
Reference examples 2
It is distinctive in that with embodiment 3: do not add the compound shown in Formulas I.
Rubber composition, is prepared by following component by weight: natural rubber 100 parts, EPDM rubber 9 parts, supporting material 28 parts (white carbon black and silicon dioxide mix according to weight ratio 5:1), sulfur system cross-linking agent 3 parts, antioxidant 4010NA 3 parts, altax 3 parts, vulcanizing agent TBPB4 part, heat stabilizer (being mixed according to weight ratio 1:1:0.5 by antioxidant 1010, irgasfos 168, anti-oxidant DLTP) 0.7 part, etoh solvent 7 parts;
Each component is added high-speed mixer by proportioning and carries out mix homogeneously, then said mixture is sent in double screw extruder through the feeder of delicate metering, carry out mixing, extrusion, tie rod, cooling, pelletizing; Wherein: the draw ratio of double screw extruder is 37, barrel temperature controls at 220 DEG C, and screw speed is at 350 revs/min.
Application test:
The elastomeric material obtained by above-described embodiment and reference examples adopts the DimensionBST/SST1200es series 3D printer that Stratasys company produces, print and various meet ASTM standard Mechanics Performance Testing batten, again by this batten through vulcanizing at vulcanizing press, curing temperature 150 DEG C, cure time 30min, sulfide stress 10MPa, carries out performance test, and testing standard is as shown in table 1:
Table 1 testing standard
In Mooney viscosity test, the Mooney viscosity ML(1+4 of reference examples 1 material) it is set to 100, processing characteristics is with the exponential representation in following equation, and index is more little, and Mooney viscosity value is more little, and processing characteristics is more good.
Mooney viscosity index=(Mooney point of each compositions)/(Mooney point of comparative example) �� 100.
In abrasion test, the volume worn amount of the material of reference examples 1 is set as 100, and wear hardness represents with the abrasion index in formula below, and abrasion index is more little, and wearability is more good.
Abrasion index=(abrasion loss of each compositions)/(abrasion loss of comparative example) �� 100.
Result of the test is as shown in table 2:
Table 2
As can be seen from the table, 3D provided by the invention prints elastomeric material and has good mechanical performance, after adopting 3D printer molding, its hot strength, bending strength and notch impact strength parameter are better than reference examples, when illustrating to adopt conjugated diene polymer and non-conjugated olefin copolymer synergism, it is applied to 3D print job and can improve the compatibility of material; Meanwhile, the addition of compound I, it is possible to be effectively reduced difficulty of processing, makes 3D moulding material have better interface cohesion effect, overcomes elastomeric material and is easily reduced the problem of mobility at low temperatures, and then improves mechanical strength and the wearability of material.
Claims (10)
1. a rubber composition, it is characterised in that: include following component by weight: the compound 0.5��1 part shown in conjugated diene polymer 100 parts, non-conjugated olefin copolymer 8��10 parts, Formulas I, supporting material 25��30 parts, cross-linking agent 1��5 part, 1��5 part of age resistor, accelerator 1��5 part, vulcanizing agent 1��8 part, heat stabilizer 0.5��1 part, solvent 5��10 parts; The structure of the compound shown in Formulas I is as follows:
(I);
In formula, R1Represent the alkyl of carbon number 2��16; R2Represent the alkyl of carbon number 3��16, benzothiazole thioether group or cycloalkyl.
2. rubber composition according to claim 1, it is characterised in that: described conjugated diene polymer is selected from natural rubber, butadiene rubber, isoprene rubber or neoprene; Described non-conjugated olefin copolymer is selected from EPDM rubber.
3. rubber composition according to claim 1, it is characterised in that: described supporting material is to be mixed according to weight portion 3��5:1 by white carbon black and inorganic filler; It is 20m that described carbon black carbon black has N2 adsorption specific surface area2/ g��100m2/g��
4. rubber composition according to claim 1, it is characterised in that: described age resistor is any one or any two or more mixing by any quality proportioning in antioxidant 4010NA, anti-aging agent RD, antioxidant A, antioxidant D, antioxidant A W, antioxidant 4020, antioxidant MB.
5. rubber composition according to claim 1, it is characterised in that: described accelerator is any one or any two or more mixing by any quality proportioning in accelerant N A-22, diphenylguanidine, accelerant CZ, accelerant NOBS, altax, captax, Vulcanization accelerator TMTD, accelerator TRA.
6. rubber composition according to claim 1, it is characterised in that: what described vulcanizing agent can adopt is the one in vulcanizing agent BP, DCBP, TBPB, DTPB, DCP or DBPMH.
7. rubber composition according to claim 1, it is characterised in that: described heat stabilizer is selected from one or more in Hinered phenols macromole type antioxidant, phosphorous acid kind antioxidant and alkane esters antioxidant.
8. the preparation method of the rubber composition described in any one of claim 1��7, comprise the steps: that by proportioning, each component is added high-speed mixer carries out mix homogeneously, then said mixture is sent in double screw extruder through the feeder of delicate metering, carry out mixing, extrusion, tie rod, cooling, pelletizing; Wherein: the draw ratio of double screw extruder is 32��40, barrel temperature controls at 150��230 DEG C, and screw speed is at 200��600 revs/min.
9. adopt the tire that the rubber composition manufacture described in any one of claim 1��7 obtains.
10. the rubber composition described in any one of claim 1��7 prints the application in air core tyre at 3D.
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| CN105906884A (en) * | 2016-07-05 | 2016-08-31 | 安徽三彩工贸有限责任公司 | Heat-resistant solid tire carcass rubber |
| CN106947134A (en) * | 2017-05-15 | 2017-07-14 | 广西丰达三维科技有限公司 | The Environment-friendlywear-resistant wear-resistant elastomeric material that a kind of graphene is modified |
| CN107033422A (en) * | 2017-05-15 | 2017-08-11 | 广西丰达三维科技有限公司 | A kind of wear-resisting 3D printing material and preparation method thereof |
| CN107043478A (en) * | 2017-05-15 | 2017-08-15 | 广西丰达三维科技有限公司 | A kind of application of modified rubber |
| CN107057146A (en) * | 2017-05-15 | 2017-08-18 | 广西丰达三维科技有限公司 | A kind of preparation technology for the 3D printing elastomeric material that graphene is modified |
| CN107129614A (en) * | 2017-05-15 | 2017-09-05 | 广西丰达三维科技有限公司 | A kind of environmental protection type material of rubber and its application |
| CN107163327A (en) * | 2017-05-26 | 2017-09-15 | 褚瑜 | A kind of rapid shaping raw material based on rubber elastomer |
| CN107189136A (en) * | 2017-05-26 | 2017-09-22 | 褚瑜 | A kind of preparation method of rubber 3D printing shaping raw material |
| WO2018007579A1 (en) * | 2016-07-08 | 2018-01-11 | Covestro Deutschland Ag | Process for producing 3d structures from rubber material and its products |
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| CN105906884A (en) * | 2016-07-05 | 2016-08-31 | 安徽三彩工贸有限责任公司 | Heat-resistant solid tire carcass rubber |
| WO2018007579A1 (en) * | 2016-07-08 | 2018-01-11 | Covestro Deutschland Ag | Process for producing 3d structures from rubber material and its products |
| CN109414873A (en) * | 2016-07-08 | 2019-03-01 | 科思创德国股份有限公司 | The method and products thereof of 3D structure is generated by rubber material |
| US11192293B2 (en) * | 2016-07-08 | 2021-12-07 | Covestro Deutschland Ag | Process for producing 3D structures from rubber material |
| CN109414873B (en) * | 2016-07-08 | 2022-04-05 | 科思创德国股份有限公司 | Method for producing 3D structure from rubber material and product thereof |
| CN106947134A (en) * | 2017-05-15 | 2017-07-14 | 广西丰达三维科技有限公司 | The Environment-friendlywear-resistant wear-resistant elastomeric material that a kind of graphene is modified |
| CN107033422A (en) * | 2017-05-15 | 2017-08-11 | 广西丰达三维科技有限公司 | A kind of wear-resisting 3D printing material and preparation method thereof |
| CN107043478A (en) * | 2017-05-15 | 2017-08-15 | 广西丰达三维科技有限公司 | A kind of application of modified rubber |
| CN107057146A (en) * | 2017-05-15 | 2017-08-18 | 广西丰达三维科技有限公司 | A kind of preparation technology for the 3D printing elastomeric material that graphene is modified |
| CN107129614A (en) * | 2017-05-15 | 2017-09-05 | 广西丰达三维科技有限公司 | A kind of environmental protection type material of rubber and its application |
| CN107163327A (en) * | 2017-05-26 | 2017-09-15 | 褚瑜 | A kind of rapid shaping raw material based on rubber elastomer |
| CN107189136A (en) * | 2017-05-26 | 2017-09-22 | 褚瑜 | A kind of preparation method of rubber 3D printing shaping raw material |
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