CN113072748B - Heavy-duty rubber, preparation method and crawler belt - Google Patents
Heavy-duty rubber, preparation method and crawler belt Download PDFInfo
- Publication number
- CN113072748B CN113072748B CN202010073412.3A CN202010073412A CN113072748B CN 113072748 B CN113072748 B CN 113072748B CN 202010073412 A CN202010073412 A CN 202010073412A CN 113072748 B CN113072748 B CN 113072748B
- Authority
- CN
- China
- Prior art keywords
- parts
- mixture
- rubber
- carbon black
- mixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229920001971 elastomer Polymers 0.000 title claims abstract description 86
- 239000005060 rubber Substances 0.000 title claims abstract description 86
- 238000002360 preparation method Methods 0.000 title abstract description 16
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000006229 carbon black Substances 0.000 claims abstract description 57
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 38
- 239000004611 light stabiliser Substances 0.000 claims abstract description 37
- 239000011787 zinc oxide Substances 0.000 claims abstract description 36
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 32
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 31
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 31
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 31
- 238000004073 vulcanization Methods 0.000 claims abstract description 28
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 27
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 27
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 27
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 27
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 27
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000008117 stearic acid Substances 0.000 claims abstract description 27
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000003063 flame retardant Substances 0.000 claims abstract description 24
- 239000006185 dispersion Substances 0.000 claims abstract description 18
- 239000006232 furnace black Substances 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims description 106
- 238000002156 mixing Methods 0.000 claims description 52
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims description 30
- 238000001816 cooling Methods 0.000 claims description 24
- 244000043261 Hevea brasiliensis Species 0.000 claims description 22
- 229920003052 natural elastomer Polymers 0.000 claims description 22
- 229920001194 natural rubber Polymers 0.000 claims description 22
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 17
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 238000007873 sieving Methods 0.000 claims description 12
- 238000004513 sizing Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 238000005303 weighing Methods 0.000 claims description 12
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 9
- WHHGLZMJPXIBIX-UHFFFAOYSA-N decabromodiphenyl ether Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1OC1=C(Br)C(Br)=C(Br)C(Br)=C1Br WHHGLZMJPXIBIX-UHFFFAOYSA-N 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 9
- 229910052717 sulfur Inorganic materials 0.000 claims description 9
- 239000011593 sulfur Substances 0.000 claims description 9
- 150000001412 amines Chemical class 0.000 claims description 6
- 241000872198 Serjania polyphylla Species 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 7
- 238000013329 compounding Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000004806 packaging method and process Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012744 reinforcing agent Substances 0.000 description 2
- 101100395484 Arabidopsis thaliana HPD gene Proteins 0.000 description 1
- 101100463166 Oryza sativa subsp. japonica PDS gene Proteins 0.000 description 1
- 101150061817 PDS1 gene Proteins 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses heavy-duty rubber, a preparation method and a crawler belt: the flame retardant comprises, by weight, 100 parts of raw rubber, 1-2 parts of a vulcanization accelerator, 2-4 parts of magnesium oxide, 1-3 parts of nano zinc oxide, 0.5-3 parts of stearic acid, 3-6 parts of an anti-aging agent, 10-40 parts of furnace black, 5-15 parts of high-dispersion white carbon black, 3-10 parts of carbon nano tubes, 1-4 parts of a silane coupling agent, 0.5-1.5 parts of a scorch retarder PVI, 1-2 parts of a flame retardant and 0.5-2 parts of a light stabilizer; the invention provides various embodiments, the hardness and the tensile strength of which are improved, and the elongation at break is reduced. The invention can improve the bearing capacity of rubber by adding nano zinc oxide, carbon nano tube, carbon black, white carbon black, anti-aging agent, anti-scorching agent, flame retardant, light stabilizer and the like into different raw rubber components; the components and the proportion of raw rubber and the proportion of compounding agents can be adjusted according to actual needs, so that the requirements of different users are met. The invention adopts different production methods for raw rubber with different components, thereby meeting the requirement of improving the bearing capacity of rubber.
Description
Technical Field
The invention relates to the technical field of rubber and caterpillar bands, in particular to heavy-duty rubber, a preparation method and a caterpillar band.
Background
The rubber crawler is made of rubber and framework materials, is widely applied to the fields of agricultural machinery, engineering machinery, garden machinery and the like, and has the advantages of low noise, small vibration, riding comfort and the like, and is particularly suitable for occasions with high-speed transfer and realizes full road surface trafficability. At present, the rubber crawler is mainly applied to small tonnage engineering machinery, and the rubber crawler bearing more than 24 tons is mainly realized by increasing the width of the rubber crawler, but the width of the whole vehicle is increased and the mutual interference between walking parts is caused, so that the application of the rubber crawler is reduced.
At present, domestic researches on the bearing capacity of the rubber track are mainly carried out by increasing the width of the rubber track and adding a reinforcing agent, the width of the rubber track is generally 900mm for mechanical equipment with the bearing weight of 24 tons, the whole car width is increased, mutual interference between walking parts is caused, the reinforcing agent is generally carbon black, the wear resistance of the rubber track is mainly improved by the carbon black, the improvement effect on the bearing capacity of the rubber track is small, the ageing resistance of the track is reduced in the later period of use, and the bearing capacity of the track is reduced.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides heavy-duty rubber, a preparation method and a crawler belt, and solves the technical problem that the crawler belt in the prior art is low in bearing capacity.
In order to achieve the above object, the present invention adopts the following technical scheme:
a heavy-duty rubber, characterized in that: the flame retardant comprises, by weight, 100 parts of raw rubber, 1-2 parts of a vulcanization accelerator, 2-4 parts of magnesium oxide, 1-3 parts of nano zinc oxide, 0.5-3 parts of stearic acid, 3-6 parts of an anti-aging agent, 10-40 parts of furnace black, 5-15 parts of high-dispersion white carbon black, 3-10 parts of carbon nano tubes, 1-4 parts of a silane coupling agent, 0.5-1.5 parts of a scorch retarder PVI, 1-2 parts of a flame retardant and 0.5-2 parts of a light stabilizer;
the raw rubber consists of natural rubber and styrene-butadiene rubber; the vulcanization accelerator is one or a mixture of oil-filled sulfur and TMTD; the nano zinc oxide is zinc oxide with the diameter of 50-200 nm; the anti-aging agent is one or a mixture of 4020 and 4030; the furnace carbon black is one or a mixture of N220, N330 and N472 with the diameter of 10-50 nm; the diameter of the high-dispersion white carbon black is 10-60nm; the pipe diameter of the carbon nano-tube is 60-100nm, and the length is 5-15nm; the silane coupling agent is one or two of Si69 and Si 75; the flame retardant is one of antimony trioxide and decabromodiphenyl ether; the light stabilizer is a polymeric hindered amine light stabilizer PDS.
Preferably, the heavy-duty rubber comprises 80 parts of natural rubber and 20 parts of styrene-butadiene rubber, wherein the vulcanization accelerator is 2 parts of TMTD, 3 parts of magnesium oxide, 2 parts of nano zinc oxide and 1 part of stearic acid, the anti-aging agent is 4020 part of anti-aging agent, the furnace black is N220 with the diameter of 10-50nm, 10 parts of high-dispersion white carbon black, 5 parts of carbon nano tube, 69 parts of silane coupling agent Si, 1 part of scorch retarder PVI, the flame retardant is 1 part of antimony trioxide, and the light stabilizer is PDS1 part.
Preferably, one of the aforementioned heavy duty rubbers: the raw rubber consists of 70 parts of natural rubber and 30 parts of styrene-butadiene rubber, wherein the vulcanization accelerator is 1.5 parts of oil-filled sulfur, 3 parts of magnesium oxide, 3 parts of nano zinc oxide, 1.5 parts of stearic acid, 3 parts of anti-aging agent 4030, 330 parts of furnace carbon black with the diameter of 10-50nm, 8 parts of high-dispersion white carbon black, 6 parts of carbon nano tube, 75 parts of silane coupling agent Si, 0.5 part of scorch retarder PVI, 1 part of flame retardant is decabromodiphenyl ether, and 1 part of polymeric hindered amine light stabilizer PDS.
Preferably, one of the aforementioned heavy duty rubbers: the raw rubber consists of 50 parts of natural rubber and 50 parts of styrene-butadiene rubber, wherein the vulcanization accelerator is 1 part of vulcanization accelerator TMTD, 4 parts of magnesium oxide, 2.5 parts of nano zinc oxide, 2 parts of stearic acid, 6 parts of anti-aging agent 4020, 20 parts of furnace carbon black N330 and N472 respectively, 15 parts of high-dispersion white carbon black and 15 parts of carbon nano tubes, the silane coupling agent consists of 1 part of silane coupling agent Si69 and 1 part of Si75 respectively, 1.5 parts of scorch retarder PVI, 2 parts of antimonous oxide and 2 parts of light stabilizer PDS.
The preparation method of the heavy-duty rubber comprises the following steps: the operation is carried out according to the following sequence:
crushing, drying and sieving the nano zinc oxide, stearic acid and the scorch retarder, weighing according to a proportion and uniformly stirring to obtain a mixture A;
plasticating raw rubber and high-dispersion white carbon black, wherein the speed ratio of front and rear rollers is 1:1.3, adjusting the roll spacing to 1mm, adding the mixture A to continue plasticating after plasticizing, cooling and standing for 12 hours after plasticating to obtain the mixture B;
the roll gap is adjusted to 0.8mm, and then the mixture B, the silane coupling agent, the flame retardant and the light stabilizer are mixed to obtain a mixture C; after mixing, cooling and standing for 8 hours, and then adding magnesium oxide, carbon black, carbon nano tubes and an anti-aging agent into the mixture C for mixing again to obtain a mixture D; after the mixing is finished, adding a vulcanization accelerator into the mixture D for final mixing;
and 5 times of packing are carried out after the powder is eaten, then the sizing material is flaked and is parked for 4 hours.
The preparation method of the heavy-duty rubber is characterized by comprising the following steps of: the operation is carried out according to the following sequence:
crushing and drying nano zinc oxide, stearic acid and a scorch retarder PVI, sieving, weighing according to a proportion, and uniformly stirring to obtain a mixture A1;
plasticating natural rubber, styrene-butadiene rubber and white carbon black, wherein the speed ratio of front and rear rollers is 1:1.3, adjusting the roll spacing to 1mm, adding the mixture A1 after plasticizing, continuously plasticating, cooling and standing for 12 hours after plasticating to obtain the mixture B1;
the roll gap is adjusted to 0.8mm, and then the mixture B1, the silane coupling agent Si69, the antimonous oxide and the light stabilizer PDS are mixed to obtain a mixture C1; after mixing, cooling and standing for 8 hours, and then adding magnesium oxide, carbon black N220, carbon nano tubes and an anti-aging agent 4020 into the mixture C1 for mixing again to obtain a mixture D1; after the mixing is completed, adding TMTD into the mixture D1 to carry out final mixing;
and 5 times of packing are carried out after the powder is eaten, then the sizing material is flaked and is parked for 4 hours.
The preparation method of the heavy-duty rubber is characterized by comprising the following steps of: the operation is carried out according to the following sequence:
crushing and drying nano zinc oxide, stearic acid and a scorch retarder PVI, sieving, weighing according to a proportion, and uniformly stirring to obtain a mixture A2;
plasticating natural rubber, styrene-butadiene rubber and white carbon black, wherein the speed ratio of front and rear rollers is 1:1.3, adjusting the roll spacing to 1mm, adding the mixture A2 after plasticizing, continuously plasticating, cooling and standing for 12 hours after plasticating to obtain the mixture B2;
the roll gap is adjusted to 0.8mm, and then the mixture B2, the silane coupling agent Si75, decabromodiphenyl ether and the light stabilizer PDS are mixed to obtain a mixture C2; after mixing, cooling and standing for 8 hours, and then adding magnesium oxide, carbon black N330, carbon nano tubes and an anti-aging agent 4030 into the mixture C2 for mixing again to obtain a mixture D2; after the mixing is completed, adding oil-filled sulfur into the mixture D2 for final mixing;
and 5 times of packing are carried out after the powder is eaten, then the sizing material is flaked and is parked for 4 hours.
The preparation method of the heavy-duty rubber is characterized by comprising the following steps of: the operation is carried out according to the following sequence:
crushing and drying nano zinc oxide, stearic acid and a scorch retarder PVI, sieving, weighing according to a proportion, putting into a container, and uniformly stirring to obtain a mixture A3;
plasticating natural rubber, styrene-butadiene rubber and white carbon black, wherein the speed ratio of front and rear rollers is 1:1.3, adjusting the roll spacing to 1mm, adding the mixture A3 after plasticizing, continuously plasticating, cooling and standing for 12 hours after plasticating to obtain the mixture B3;
the roll gap is adjusted to 0.8mm, and then the mixture B3 is mixed with the silane coupling agents Si69, si75, antimony trioxide and the light stabilizer PDS to obtain a mixture C3; after mixing, cooling and standing for 8 hours, adding magnesium oxide, carbon black N330 and N472, carbon nano tubes and an anti-aging agent 4020 into the mixture C3, and mixing again to obtain a mixture D3; after the mixing is completed, adding TMTD into the mixture D3 to carry out final mixing;
and 5 times of packing are carried out after the powder is eaten, then the sizing material is flaked and is parked for 4 hours.
A track, characterized in that: comprising the heavy-duty rubber according to any one of the preceding claims.
A track comprising rubber, characterized in that: the rubber adopts the preparation method of any heavy-duty rubber.
The invention has the beneficial effects that:
compared with the prior art, the invention provides various embodiments, the hardness and the tensile strength of which are improved, and the elongation at break is reduced. Specifically, the hardness and tensile strength of the first embodiment are relatively high, while the elongation at break of the third embodiment is relatively good, and the other two embodiments can be considered in all aspects of the second embodiment. In practical application, the selection can be performed according to practical situations.
The invention can improve the bearing capacity of rubber by adding nano zinc oxide, carbon nano tube, carbon black, white carbon black, anti-aging agent, anti-scorching agent, flame retardant, light stabilizer and the like into different raw rubber components; the components and the proportion of raw rubber and the proportion of compounding agents can be adjusted according to actual needs, so that the requirements of different users are met.
The invention adopts vulcanization accelerators, magnesium oxide, nano zinc oxide, stearic acid and the like to promote the vulcanization process of rubber, so that the vulcanization of the rubber is more complete; moreover, different production methods are adopted for raw rubber with different components, so that the requirement of improving the bearing capacity of the rubber is met.
Detailed Description
The invention is further described below. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
The embodiment discloses a heavy-duty rubber: the flame retardant rubber is composed of, by weight, 100 parts of raw rubber, 1-2 parts of a vulcanization accelerator, 2-4 parts of magnesium oxide, 1-3 parts of nano zinc oxide, 0.5-3 parts of stearic acid, 3-6 parts of an anti-aging agent, 10-40 parts of furnace black, 5-15 parts of high-dispersion white carbon black, 3-10 parts of carbon nano tubes, 1-4 parts of a silane coupling agent, 0.5-1.5 parts of a scorch retarder PVI, 1-2 parts of a flame retardant and 0.5-2 parts of a light stabilizer.
Specifically, the raw rubber consists of natural rubber and styrene-butadiene rubber; the vulcanization accelerator is one or two of oil-filled sulfur and TMTD; the nano zinc oxide is zinc oxide with the diameter of 50-200 nm; the anti-aging agent is one or two of 4020 and 4030; the furnace carbon black is one or a mixture of N220, N330 and N472 with the diameter of 10-50 nm; the diameter of the high-dispersion white carbon black is 10-60nm; the pipe diameter of the carbon nano-tube is 60-100nm, and the length is 5-15nm; the silane coupling agent is one or two of Si69 and Si 75; the flame retardant is one of antimony trioxide and decabromodiphenyl ether; the light stabilizer is a polymeric hindered amine light stabilizer PDS.
The specific preparation method of the heavy-duty rubber comprises the following steps: the operation is carried out according to the following sequence:
preparing materials: crushing, drying and sieving the nano zinc oxide, stearic acid and the scorch retarder, weighing according to a proportion and uniformly stirring to obtain a mixture A;
plasticating: plasticating raw rubber and high-dispersion white carbon black, wherein the speed ratio of front and rear rollers is 1:1.3, adjusting the roll spacing to 1mm, adding the mixture A to continue plasticating after plasticizing, cooling and standing for 12 hours after plasticating to obtain the mixture B;
mixing: the roll gap is adjusted to 0.8mm, and then the mixture B, the silane coupling agent, the flame retardant and the light stabilizer are mixed to obtain a mixture C; after mixing, cooling and standing for 8 hours, and then adding magnesium oxide, carbon black, carbon nano tubes and an anti-aging agent into the mixture C for mixing again to obtain a mixture D; after the mixing is finished, adding a vulcanization accelerator into the mixture D for final mixing;
packaging and blanking: after the powder is eaten, packaging is carried out for 5 times to uniformly disperse the mixture, then the sizing material is flaked and parked for 4 hours.
Embodiment one:
the raw rubber of the embodiment consists of 80 parts of natural rubber and 20 parts of styrene-butadiene rubber, wherein the vulcanization accelerator is 2 parts of TMTD, the magnesium oxide is 3 parts, the nano zinc oxide is 2 parts, the stearic acid is 1 part, the anti-aging agent is 4020 part, the furnace black is N220 with the diameter of 10-50nm, the high-dispersion white carbon black is 10 parts, the carbon nano tube is 5 parts, the silane coupling agent Si69 is 2 parts, the scorch retarder PVI is 1 part, the flame retardant is 1 part of antimony trioxide, and the light stabilizer is light stabilizer PDS is 1 part.
The preparation method of the heavy-duty rubber adopting the components in the embodiment is as follows:
preparing materials: crushing and drying nano zinc oxide, stearic acid and a scorch retarder PVI, sieving, weighing according to a proportion, and uniformly stirring to obtain a mixture A1;
plasticating: plasticating natural rubber, styrene-butadiene rubber and white carbon black, wherein the speed ratio of front and rear rollers is 1:1.3, adjusting the roll spacing to 1mm, adding the mixture A1 after plasticizing, continuously plasticating, cooling and standing for 12 hours after plasticating to obtain the mixture B1;
mixing: the roll gap is adjusted to 0.8mm, and then the mixture B1, the silane coupling agent Si69, the antimonous oxide and the light stabilizer PDS are mixed to obtain a mixture C1; after mixing, cooling and standing for 8 hours, and then adding magnesium oxide, carbon black N220, carbon nano tubes and an anti-aging agent 4020 into the mixture C1 for mixing again to obtain a mixture D1; after the mixing is completed, adding TMTD into the mixture D1 to carry out final mixing;
packaging and blanking: after the powder is eaten, packaging is carried out for 5 times to uniformly disperse the mixture, then the sizing material is flaked and parked for 4 hours.
Embodiment two:
the raw rubber of the embodiment consists of 70 parts of natural rubber and 30 parts of styrene-butadiene rubber, wherein the vulcanization accelerator is 1.5 parts of oil-filled sulfur, 3 parts of magnesium oxide, 3 parts of nano zinc oxide, 1.5 parts of stearic acid, 3 parts of anti-aging agent 4030, 330 parts of furnace black with the diameter of 10-50nm, 8 parts of high-dispersion white carbon black, 6 parts of carbon nano tube, 75 parts of silane coupling agent Si, 0.5 part of scorch retarder PVI, 1 part of flame retardant is decabromodiphenyl ether, and 1 part of polymeric hindered amine light stabilizer PDS.
The preparation method of the heavy-duty rubber adopting the components in the embodiment is as follows:
preparing materials: crushing and drying nano zinc oxide, stearic acid and a scorch retarder PVI, sieving, weighing according to a proportion, and uniformly stirring to obtain a mixture A2;
plasticating: plasticating natural rubber, styrene-butadiene rubber and white carbon black, wherein the speed ratio of front and rear rollers is 1:1.3, adjusting the roll spacing to 1mm, adding the mixture A2 after plasticizing, continuously plasticating, cooling and standing for 12 hours after plasticating to obtain the mixture B2;
mixing: the roll gap is adjusted to 0.8mm, and then the mixture B2, the silane coupling agent Si75, decabromodiphenyl ether and the light stabilizer PDS are mixed to obtain a mixture C2; after mixing, cooling and standing for 8 hours, and then adding magnesium oxide, carbon black N330, carbon nano tubes and an anti-aging agent 4030 into the mixture C2 for mixing again to obtain a mixture D2; after the mixing is completed, adding oil-filled sulfur into the mixture D2 for final mixing;
packaging and blanking: after the powder is eaten, packaging is carried out for 5 times to uniformly disperse the mixture, then the sizing material is flaked and parked for 4 hours.
Embodiment III:
the raw rubber of this example consisted of 50 parts of natural rubber and 50 parts of styrene-butadiene rubber, the vulcanization accelerator was 1 part of vulcanization accelerator TMTD, 4 parts of magnesium oxide, 2.5 parts of nano zinc oxide, 2 parts of stearic acid, 6 parts of anti-aging agent 4020, furnace black consisted of 20 parts of carbon black N330, N472 each, 15 parts of highly dispersed white carbon black, 15 parts of carbon nanotubes, the silane coupling agent consisted of 1 part of silane coupling agent Si69, si75 each, 1.5 parts of scorch retarder PVI, 2 parts of antimony trioxide as flame retardant, and 2 parts of light stabilizer PDS as light stabilizer.
The preparation method of the heavy-duty rubber adopting the components in the embodiment is as follows:
preparing materials: crushing and drying nano zinc oxide, stearic acid and a scorch retarder PVI, sieving, weighing according to a proportion, putting into a container, and uniformly stirring to obtain a mixture A3;
plasticating: plasticating natural rubber, styrene-butadiene rubber and white carbon black, wherein the speed ratio of front and rear rollers is 1:1.3, adjusting the roll spacing to 1mm, adding the mixture A3 after plasticizing, continuously plasticating, cooling and standing for 12 hours after plasticating to obtain the mixture B3;
mixing: the roll gap is adjusted to 0.8mm, and then the mixture B3 is mixed with the silane coupling agents Si69, si75, antimony trioxide and the light stabilizer PDS to obtain a mixture C3; after mixing, cooling and standing for 8 hours, adding magnesium oxide, carbon black N330 and N472, carbon nano tubes and an anti-aging agent 4020 into the mixture C3, and mixing again to obtain a mixture D3; after the mixing is completed, adding TMTD into the mixture D3 to carry out final mixing;
packaging and blanking: and 5 times of packing are carried out after the powder is eaten, then the sizing material is flaked and is parked for 4 hours.
The following table shows the results of performance tests:
| project name | Example 1 | Example 2 | Example 3 | Product for use in the field |
| Rubber hardness/HS | 82 | 76 | 72 | 65 |
| Tensile strength/MPa | 29.5 | 26.3 | 25.2 | 21.7 |
| Elongation at break/% | 439 | 476 | 505 | 542 |
Compared with the prior art, the invention provides various embodiments, the hardness and the tensile strength of which are improved, and the elongation at break is reduced. Specifically, the hardness and tensile strength of the first embodiment are relatively high, while the elongation at break of the third embodiment is relatively good, and the other two embodiments can be considered in all aspects of the second embodiment. In practical application, the selection can be performed according to practical situations.
The invention can improve the bearing capacity of rubber by adding nano zinc oxide, carbon nano tube, carbon black, white carbon black, anti-aging agent, anti-scorching agent, flame retardant, light stabilizer and the like into different raw rubber components; the components and the proportion of raw rubber and the proportion of compounding agents can be adjusted according to actual needs, so that the requirements of different users are met.
The invention adopts vulcanization accelerators, magnesium oxide, nano zinc oxide, stearic acid and the like to promote the vulcanization process of rubber, so that the vulcanization of the rubber is more complete; moreover, different production methods are adopted for raw rubber with different components, so that the requirement of improving the bearing capacity of the rubber is met.
The invention also discloses a crawler belt, which comprises the heavy-duty rubber, and the preparation method of the crawler belt can adopt the corresponding preparation method.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (10)
1. A heavy-duty rubber, characterized in that: the flame retardant comprises, by weight, 100 parts of raw rubber, 1-2 parts of a vulcanization accelerator, 2-4 parts of magnesium oxide, 1-3 parts of nano zinc oxide, 0.5-3 parts of stearic acid, 3-6 parts of an anti-aging agent, 10-40 parts of furnace black, 5-15 parts of high-dispersion white carbon black, 3-10 parts of carbon nano tubes, 1-4 parts of a silane coupling agent, 0.5-1.5 parts of a scorch retarder PVI, 1-2 parts of a flame retardant and 0.5-2 parts of a light stabilizer;
the raw rubber consists of natural rubber and styrene-butadiene rubber, wherein the mass ratio of the natural rubber to the styrene-butadiene rubber is (8-5): (2-5); the vulcanization accelerator is one or a mixture of oil-filled sulfur and TMTD; the nano zinc oxide is zinc oxide with the diameter of 50-200 nm; the anti-aging agent is one or a mixture of 4020 and 4030; the furnace carbon black is one or a mixture of N220, N330 and N472 with the diameter of 10-50 nm; the diameter of the high-dispersion white carbon black is 10-60nm; the pipe diameter of the carbon nano-tube is 60-100nm, and the length is 5-15nm; the silane coupling agent is one or two of Si69 and Si 75; the flame retardant is one of antimony trioxide and decabromodiphenyl ether; the light stabilizer is a polymeric hindered amine light stabilizer PDS.
2. The heavy duty rubber of claim 1 wherein: the raw rubber consists of 80 parts of natural rubber and 20 parts of styrene-butadiene rubber, wherein the vulcanization accelerator is 2 parts of TMTD, the magnesium oxide is 3 parts, the nano zinc oxide is 2 parts, the stearic acid is 1 part, the anti-aging agent is 4020.4 parts, the furnace carbon black is N220 parts with the diameter of 10-50nm, the high-dispersion white carbon black is 10 parts, the carbon nano tube is 5 parts, the silane coupling agent Si69 is 2 parts, the scorch retarder PVI is 1 part, the flame retardant is antimony trioxide is 1 part, and the light stabilizer is light stabilizer PDS is 1 part.
3. The heavy duty rubber of claim 1 wherein: the raw rubber consists of 70 parts of natural rubber and 30 parts of styrene-butadiene rubber, wherein the vulcanization accelerator is 1.5 parts of oil-filled sulfur, 3 parts of magnesium oxide, 3 parts of nano zinc oxide, 1.5 parts of stearic acid, 3 parts of anti-aging agent 4030, 330 parts of furnace carbon black with the diameter of 10-50nm, 8 parts of high-dispersion white carbon black, 6 parts of carbon nano tube, 75 parts of silane coupling agent Si, 0.5 part of scorch retarder PVI, 1 part of flame retardant is decabromodiphenyl ether, and 1 part of polymeric hindered amine light stabilizer PDS.
4. The heavy duty rubber of claim 1 wherein: the raw rubber consists of 50 parts of natural rubber and 50 parts of styrene-butadiene rubber, wherein the vulcanization accelerator is 1 part of vulcanization accelerator TMTD, 4 parts of magnesium oxide, 2.5 parts of nano zinc oxide, 2 parts of stearic acid, 6 parts of anti-aging agent 4020, 20 parts of furnace carbon black N330 and N472 respectively, 15 parts of high-dispersion white carbon black and 15 parts of carbon nano tubes, the silane coupling agent consists of 1 part of silane coupling agent Si69 and 1 part of Si75 respectively, 1.5 parts of scorch retarder PVI, 2 parts of antimonous oxide and 2 parts of light stabilizer PDS.
5. The method for preparing heavy-duty rubber according to claim 1, wherein the method comprises the following steps: the operation is carried out according to the following sequence:
crushing, drying and sieving the nano zinc oxide, stearic acid and the scorch retarder, weighing according to a proportion and uniformly stirring to obtain a mixture A;
plasticating raw rubber and high-dispersion white carbon black, wherein the speed ratio of front and rear rollers is 1:1.3, adjusting the roll spacing to 1mm, adding the mixture A to continue plasticating after plasticizing, cooling and standing for 12 hours after plasticating to obtain the mixture B;
the roll gap is adjusted to 0.8mm, and then the mixture B, the silane coupling agent, the flame retardant and the light stabilizer are mixed to obtain a mixture C; after mixing, cooling and standing for 8 hours, and then adding magnesium oxide, carbon black, carbon nano tubes and an anti-aging agent into the mixture C for mixing again to obtain a mixture D; after the mixing is finished, adding a vulcanization accelerator into the mixture D for final mixing;
and 5 times of packing are carried out after the powder is eaten, then the sizing material is flaked and is parked for 4 hours.
6. The method for preparing heavy-duty rubber according to claim 2, characterized in that: the operation is carried out according to the following sequence:
crushing and drying nano zinc oxide, stearic acid and a scorch retarder PVI, sieving, weighing according to a proportion, and uniformly stirring to obtain a mixture A1;
plasticating natural rubber, styrene-butadiene rubber and white carbon black, wherein the speed ratio of front and rear rollers is 1:1.3, adjusting the roll spacing to 1mm, adding the mixture A1 after plasticizing, continuously plasticating, cooling and standing for 12 hours after plasticating to obtain the mixture B1;
the roll gap is adjusted to 0.8mm, and then the mixture B1, the silane coupling agent Si69, the antimonous oxide and the light stabilizer PDS are mixed to obtain a mixture C1; after mixing, cooling and standing for 8 hours, and then adding magnesium oxide, carbon black N220, carbon nano tubes and an anti-aging agent 4020 into the mixture C1 for mixing again to obtain a mixture D1; after the mixing is completed, adding TMTD into the mixture D1 to carry out final mixing;
and 5 times of packing are carried out after the powder is eaten, then the sizing material is flaked and is parked for 4 hours.
7. A method for preparing heavy-duty rubber according to claim 3, characterized in that: the operation is carried out according to the following sequence:
crushing and drying nano zinc oxide, stearic acid and a scorch retarder PVI, sieving, weighing according to a proportion, and uniformly stirring to obtain a mixture A2;
plasticating natural rubber, styrene-butadiene rubber and white carbon black, wherein the speed ratio of front and rear rollers is 1:1.3, adjusting the roll spacing to 1mm, adding the mixture A2 after plasticizing, continuously plasticating, cooling and standing for 12 hours after plasticating to obtain the mixture B2;
the roll gap is adjusted to 0.8mm, and then the mixture B2, the silane coupling agent Si75, decabromodiphenyl ether and the light stabilizer PDS are mixed to obtain a mixture C2; after mixing, cooling and standing for 8 hours, and then adding magnesium oxide, carbon black N330, carbon nano tubes and an anti-aging agent 4030 into the mixture C2 for mixing again to obtain a mixture D2; after the mixing is completed, adding oil-filled sulfur into the mixture D2 for final mixing;
and 5 times of packing are carried out after the powder is eaten, then the sizing material is flaked and is parked for 4 hours.
8. The method for preparing heavy-duty rubber according to claim 4, wherein the method comprises the following steps: the operation is carried out according to the following sequence:
crushing and drying nano zinc oxide, stearic acid and a scorch retarder PVI, sieving, weighing according to a proportion, putting into a container, and uniformly stirring to obtain a mixture A3;
plasticating natural rubber, styrene-butadiene rubber and white carbon black, wherein the speed ratio of front and rear rollers is 1:1.3, adjusting the roll spacing to 1mm, adding the mixture A3 after plasticizing, continuously plasticating, cooling and standing for 12 hours after plasticating to obtain the mixture B3;
the roll gap is adjusted to 0.8mm, and then the mixture B3 is mixed with the silane coupling agents Si69, si75, antimony trioxide and the light stabilizer PDS to obtain a mixture C3; after mixing, cooling and standing for 8 hours, adding magnesium oxide, carbon black N330 and N472, carbon nano tubes and an anti-aging agent 4020 into the mixture C3, and mixing again to obtain a mixture D3; after the mixing is completed, adding TMTD into the mixture D3 to carry out final mixing;
and 5 times of packing are carried out after the powder is eaten, then the sizing material is flaked and is parked for 4 hours.
9. A track, characterized in that: comprising the heavy-duty rubber according to any one of claims 1 to 4.
10. A track comprising rubber, characterized in that: the rubber is prepared by the method for preparing the heavy-duty rubber according to any one of claims 5 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010073412.3A CN113072748B (en) | 2020-01-22 | 2020-01-22 | Heavy-duty rubber, preparation method and crawler belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010073412.3A CN113072748B (en) | 2020-01-22 | 2020-01-22 | Heavy-duty rubber, preparation method and crawler belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113072748A CN113072748A (en) | 2021-07-06 |
| CN113072748B true CN113072748B (en) | 2023-08-01 |
Family
ID=76609087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010073412.3A Active CN113072748B (en) | 2020-01-22 | 2020-01-22 | Heavy-duty rubber, preparation method and crawler belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113072748B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2301788A1 (en) * | 1999-05-12 | 2000-11-12 | The Goodyear Tire & Rubber Company | Endless rubber track and vehicle containing such track |
| WO2016060434A1 (en) * | 2014-10-17 | 2016-04-21 | 동일고무벨트 주식회사 | Rubber track having synthetic resin reinforcement member |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4064123B2 (en) * | 2002-02-14 | 2008-03-19 | 住友ゴム工業株式会社 | Rubber crawler |
| JP4160014B2 (en) * | 2004-05-28 | 2008-10-01 | 住友ゴム工業株式会社 | Rubber crawler |
| JP4944196B2 (en) * | 2007-06-06 | 2012-05-30 | 福山ゴム工業株式会社 | Rubber track core and rubber track |
| JP5554744B2 (en) * | 2011-04-12 | 2014-07-23 | 住友ゴム工業株式会社 | Rubber crawler |
| CN105778179B (en) * | 2016-05-12 | 2018-02-02 | 南京思凯橡塑制品有限公司 | A kind of rubber composition and application |
| US10300967B2 (en) * | 2016-06-17 | 2019-05-28 | Srj, Inc. | Track and track roller |
| CN106336535B (en) * | 2016-08-23 | 2018-08-10 | 济南鲁联集团橡胶制品有限公司 | Endless-track vehicle bogie wheel kiss-coating and preparation method thereof |
| DE102016225396A1 (en) * | 2016-12-19 | 2018-06-21 | Contitech Transportbandsysteme Gmbh | Caterpillar, in particular rubber crawler |
| CN107266728A (en) * | 2017-07-28 | 2017-10-20 | 太仓冠联高分子材料有限公司 | A kind of agricultural machinery crawler belt rubber |
| CN108727646B (en) * | 2018-05-22 | 2020-08-07 | 徐工集团工程机械有限公司 | Rubber track |
| CN109233028A (en) * | 2018-08-24 | 2019-01-18 | 浙江久运汽车零部件有限公司 | A kind of ageing-resistant rubber belt track of high bond strength and preparation method thereof |
-
2020
- 2020-01-22 CN CN202010073412.3A patent/CN113072748B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2301788A1 (en) * | 1999-05-12 | 2000-11-12 | The Goodyear Tire & Rubber Company | Endless rubber track and vehicle containing such track |
| WO2016060434A1 (en) * | 2014-10-17 | 2016-04-21 | 동일고무벨트 주식회사 | Rubber track having synthetic resin reinforcement member |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113072748A (en) | 2021-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE602006000450T2 (en) | Innerliner rubber composition | |
| EP2880090B1 (en) | Improved natural rubber compositions | |
| DE69507181T2 (en) | Rubber compound for tires with a high modulus of elasticity and low hysteresis | |
| DE69914033T2 (en) | Tires with tread reinforced with silica or sidewall component | |
| DE602005002069T2 (en) | Rubber composition for core profile and tires | |
| CN101121803A (en) | Method for preparing trans-isoprene complexes and its products and use | |
| DE69521827T2 (en) | Rubber compound for tire tread | |
| DE112011102762B4 (en) | Rubber composition and its use in pneumatic tires | |
| DE102008050709B4 (en) | tire | |
| WO2015054779A1 (en) | Rubber compositions and uses thereof | |
| CN106715564A (en) | Styrene-butadiene rubber (SBR)-nanocarbon filled master batches and uses thereof | |
| DE102009032975A1 (en) | A manufacturing method of a rubber composition and a rubber composition prepared by the method, and a tire using the rubber composition | |
| DE60112220T2 (en) | Rubber composition for tires and tires therefrom | |
| DE102008050965A1 (en) | tire | |
| CN107286402A (en) | A kind of high speed rubber belt track decorative pattern side glue and its manufacture method | |
| CN111718522A (en) | Low-heat-generation rubber material and rubber track | |
| DE102012107607A1 (en) | rubber compound | |
| CN113563645A (en) | Cutting-resistant rubber track sizing material | |
| CN104194099A (en) | Highly-wear-resisting molybdenum disulfide/butadiene styrene rubber nano composite material and preparation method thereof | |
| CN113072748B (en) | Heavy-duty rubber, preparation method and crawler belt | |
| CN105860168A (en) | Environment-friendly low-odour nitrile rubber composition and preparation method thereof | |
| DE602005000516T2 (en) | Rubber compound for a clamp and pneumatic tire that uses them | |
| CN107163315A (en) | Tread rubber composition for all-steel radial tire and preparation method thereof | |
| CN104031298B (en) | A kind of tire flame retardant rubber and its preparation method and application | |
| DE602004001008T2 (en) | A rubber composition for tires and pneumatic tires using the composition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220721 Address after: No.26 tuolanshan Road, Xuzhou Economic and Technological Development Zone, Xuzhou City, Jiangsu Province Applicant after: Jiangsu Xugong Construction Machinery Research Institute Co.,Ltd. Address before: 221004 No.26 tuolanshan Road, Jinshanqiao economic and Technological Development Zone, Xuzhou City, Jiangsu Province Applicant before: XCMG CONSTRUCTION MACHINERY Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |