CN104650420B - Preparation method of rubber composition containing modified white carbon black - Google Patents
Preparation method of rubber composition containing modified white carbon black Download PDFInfo
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- CN104650420B CN104650420B CN201310585413.6A CN201310585413A CN104650420B CN 104650420 B CN104650420 B CN 104650420B CN 201310585413 A CN201310585413 A CN 201310585413A CN 104650420 B CN104650420 B CN 104650420B
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- white carbon
- rubber
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- carbon black
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 219
- 229920001971 elastomer Polymers 0.000 title claims abstract description 110
- 239000005060 rubber Substances 0.000 title claims abstract description 110
- 239000006229 carbon black Substances 0.000 title claims abstract description 77
- 239000000203 mixture Substances 0.000 title claims abstract description 74
- 238000002360 preparation method Methods 0.000 title claims abstract description 50
- 229920001690 polydopamine Polymers 0.000 claims abstract description 54
- VYFYYTLLBUKUHU-UHFFFAOYSA-N dopamine Chemical compound NCCC1=CC=C(O)C(O)=C1 VYFYYTLLBUKUHU-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000000945 filler Substances 0.000 claims abstract description 24
- 229960003638 dopamine Drugs 0.000 claims abstract description 22
- 239000007853 buffer solution Substances 0.000 claims abstract description 17
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 15
- 239000000872 buffer Substances 0.000 claims abstract description 14
- 230000004048 modification Effects 0.000 claims abstract description 13
- 238000012986 modification Methods 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 239000000243 solution Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 150000007529 inorganic bases Chemical class 0.000 claims abstract description 5
- 239000008367 deionised water Substances 0.000 claims abstract description 3
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 3
- 238000005406 washing Methods 0.000 claims abstract 2
- 150000002641 lithium Chemical class 0.000 claims description 40
- 239000000377 silicon dioxide Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 14
- FTOAOBMCPZCFFF-UHFFFAOYSA-N 5,5-diethylbarbituric acid Chemical compound CCC1(CC)C(=O)NC(=O)NC1=O FTOAOBMCPZCFFF-UHFFFAOYSA-N 0.000 claims description 12
- 239000005062 Polybutadiene Substances 0.000 claims description 11
- 229920002857 polybutadiene Polymers 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 10
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 8
- 239000006172 buffering agent Substances 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 8
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical group C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 7
- 238000005987 sulfurization reaction Methods 0.000 claims description 7
- 244000043261 Hevea brasiliensis Species 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical group [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- 229960002319 barbital Drugs 0.000 claims description 6
- 229960004502 levodopa Drugs 0.000 claims description 6
- 229920003052 natural elastomer Polymers 0.000 claims description 6
- 229920001194 natural rubber Polymers 0.000 claims description 6
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical group OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 claims description 6
- WTDRDQBEARUVNC-UHFFFAOYSA-N L-Dopa Natural products OC(=O)C(N)CC1=CC=C(O)C(O)=C1 WTDRDQBEARUVNC-UHFFFAOYSA-N 0.000 claims description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 5
- -1 dopamine modified white carbon Chemical class 0.000 claims description 5
- 229920003049 isoprene rubber Polymers 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 4
- 239000004327 boric acid Substances 0.000 claims description 4
- MHUWZNTUIIFHAS-CLFAGFIQSA-N dioleoyl phosphatidic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(COP(O)(O)=O)OC(=O)CCCCCCC\C=C/CCCCCCCC MHUWZNTUIIFHAS-CLFAGFIQSA-N 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- 239000011707 mineral Substances 0.000 claims description 4
- 235000010755 mineral Nutrition 0.000 claims description 4
- 239000001103 potassium chloride Substances 0.000 claims description 4
- 235000011164 potassium chloride Nutrition 0.000 claims description 4
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 229910021538 borax Inorganic materials 0.000 claims description 3
- 239000001110 calcium chloride Substances 0.000 claims description 3
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 3
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 claims description 3
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 3
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 3
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- 239000004328 sodium tetraborate Substances 0.000 claims description 3
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 2
- 238000004898 kneading Methods 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 239000001117 sulphuric acid Substances 0.000 claims description 2
- 235000011149 sulphuric acid Nutrition 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 claims 2
- 241000165940 Houjia Species 0.000 claims 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 150000001335 aliphatic alkanes Chemical class 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 239000011574 phosphorus Substances 0.000 claims 1
- 229910052698 phosphorus Inorganic materials 0.000 claims 1
- 238000001035 drying Methods 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract 1
- 150000007522 mineralic acids Chemical class 0.000 abstract 1
- 238000005303 weighing Methods 0.000 abstract 1
- 235000019241 carbon black Nutrition 0.000 description 61
- 238000012360 testing method Methods 0.000 description 18
- 238000004458 analytical method Methods 0.000 description 11
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical group CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 description 8
- 238000000465 moulding Methods 0.000 description 6
- 238000004513 sizing Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 238000011056 performance test Methods 0.000 description 5
- 239000008119 colloidal silica Substances 0.000 description 4
- 239000003517 fume Substances 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229910002808 Si–O–Si Inorganic materials 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- 239000007982 barbital buffer Substances 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 238000002329 infrared spectrum Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- 239000012808 vapor phase Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- WTDRDQBEARUVNC-LURJTMIESA-N L-DOPA Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C(O)=C1 WTDRDQBEARUVNC-LURJTMIESA-N 0.000 description 1
- 241000237536 Mytilus edulis Species 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical group OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000006701 autoxidation reaction Methods 0.000 description 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 239000010428 baryte Substances 0.000 description 1
- 229910052601 baryte Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000010338 boric acid Nutrition 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 235000011148 calcium chloride Nutrition 0.000 description 1
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical group OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 1
- PBAYDYUZOSNJGU-UHFFFAOYSA-N chelidonic acid Natural products OC(=O)C1=CC(=O)C=C(C(O)=O)O1 PBAYDYUZOSNJGU-UHFFFAOYSA-N 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 229920003244 diene elastomer Polymers 0.000 description 1
- ZZVUWRFHKOJYTH-UHFFFAOYSA-N diphenhydramine Chemical compound C=1C=CC=CC=1C(OCCN(C)C)C1=CC=CC=C1 ZZVUWRFHKOJYTH-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 235000020638 mussel Nutrition 0.000 description 1
- 229910021392 nanocarbon Inorganic materials 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 238000010058 rubber compounding Methods 0.000 description 1
- 238000010074 rubber mixing Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000002639 sodium chloride Nutrition 0.000 description 1
- 239000012475 sodium chloride buffer Substances 0.000 description 1
- RGHFKWPGWBFQLN-UHFFFAOYSA-M sodium;5,5-diethylpyrimidin-3-ide-2,4,6-trione Chemical compound [Na+].CCC1(CC)C([O-])=NC(=O)NC1=O RGHFKWPGWBFQLN-UHFFFAOYSA-M 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 239000011787 zinc oxide Substances 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
-
- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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
-
- 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
-
- 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
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)
Abstract
A preparation method of a rubber composition containing modified white carbon black. The preparation method of the rubber composition containing the modified white carbon black comprises the following specific steps: (1) modification of white carbon black: weighing a weak alkaline buffer, adding a small amount of deionized water, stirring to completely dissolve the weak alkaline buffer, adding an inorganic acid or an inorganic base to adjust the pH value of the solution to 7.5-10.5, wherein the concentration of the buffer in the buffer solution is 3-15 mmol/L, adding dried white carbon black and dopamine into the prepared buffer solution, reacting for 0.5-4 hours at room temperature, and filtering, washing and drying to obtain the polydopamine modified white carbon black; (2) preparation of rubber composition: adding a filler containing polydopamine modified white carbon black, rubber raw rubber and an auxiliary agent for mixing and vulcanizing to prepare the rubber composition.
Description
Technical field
The present invention relates to a kind of preparation method of rubber composition is and in particular to a kind of building rubber compound containing modified white carbon black
The preparation method of thing.
Background technology
White carbon black is a kind of important rubber stiffener and filler, and consumption accounts for the 40-50% of rubber consumption.In rubber
In carbon black-filled, it is possible to reduce the consumption of rubber, improve rubber mechanical performance, and to a great extent increase rubber
Wearability and the life-span.White carbon black depends on the property of white carbon black to the potentiation of rubber, such as size the morphology of the aggregate and
Surface chemical property of particle etc..
White carbon is also known as silicon dioxide（SiO2）, it is a kind of high-specific surface area, high structure, the modification of highly active reinforcement and filler
Material, because it has the physicochemical characteristicss of special surface area structure and particle shape and uniqueness, application is very wide
General.White carbon is divided into fume colloidal silica and precipitated silica.Fume colloidal silica is ball chain structure, external surface area
Height, concentration of surface hydroxyl groups is low；Precipitated silica is the bulbous configuration of low structure, and concentration of surface hydroxyl groups is high, and porosity is high, inside and outside
Specific surface area is all larger.White carbon is the filler that consumption is only second to white carbon black, and its processing characteristics is poor compared with white carbon black.White carbon surface is deposited
Easily reunite in substantial amounts of silanol hydroxyl, the compatibility and rubber between is very poor, so the active force and rubber matrix between is relatively
Weak.With the enforcement in succession of EU REACH Legislation and tire tag bill, synthetic rubber environmental protection is extremely urgent, along with shallow
The demand of colour product, the applied research of white carbon causes the attention of people.
Dihydroxyphenylalanine in dopamine simulation marine organisms mussel byssus protein（DOPA）Structure, containing adjacent benzene two
Phenol and amido functional group, research worker confirms that the dopamine containing catechol structure has the property similar with DOPA
（Science2007,318,426-430）, become poly-dopamine thin film in various substrate over-assembles.
Patent CN1168392A provides one kind and fills diene rubber composition using nano aluminium oxide and apply in wheel
Method in tire manufacture.Patent CN101348583A, CN102020794A and CN1896130A, report nanometer respectively and tire out support
Stone, nano-calcium carbonate, the method for barite reinfored glue rubber performance.Patent CN101798473A adopts multi-sulfur silane coupling agent modified
White carbon, prepares silica/carbon black compounded mix then, but increases silane coupler consumption and cure kinetics can be caused to drop
Low, vulcanizing agent and vulcanization accelerator need to be added.Li Wenji et al. by drying process with atomizing be prepared for clay/white carbon be combined fill out
Material, with its grade mass substitution part white carbon, strengthens solution polymerized butadiene styrene rubber/butadiene rubber composite with common.This report pair
Application in tread rubber for the clay from now on has important reference value, but current tyre industry mainly adopts silica/carbon black
Compounded mix strengthens rubber（China Synthetic Rubber Industry 2010,33,298-303）.
At present the most filleies of application are white carbon blacks, but the raising with environmental requirement, and white carbon will progressively replace white carbon black
Become the maximum filler of consumption.
If white carbon of the prior art is not modified, white carbon occurs that reunion and white carbon black can not be sufficiently mixed,
The adhesion of filler and rubber matrix is poor, and silane coupler consumption increases and can lead to postpone sulfuration again.The present invention is directed to existing skill
The shortcoming of art, provides a kind of reactions steps few, the preparation method of the rubber composition containing modified white carbon black simple to operate.
Content of the invention
It is an object of the invention to provide a kind of reactions steps are few, the rubber composition containing modified white carbon black simple to operate
Preparation method：First adopt the poly-dopamine modified lithium white carbon of high dispersive, then kneaded with rubber again, its object is to
The agglomeration traits of effectively solving white carbon, white carbon disperse problem, compounded mix and the rubber matrix of inequality with white carbon black after mixing
The problem of adhesion difference.
A kind of preparation method of rubber composition containing modified white carbon black of the present invention, using dopamine modification Linesless charcoal
Black and rubber is kneaded, thus preparing the rubber product of preferable performance.
Concretely comprise the following steps：
（1）The modification of white carbon：Weigh alkalescence buffer agent, add a small amount of deionized water stirring so that it is completely dissolved, so
The pH of addition mineral acid or inorganic base regulation solution is 7.5～10.5, preferably 8.5～9.5 afterwards, and in buffer solution, buffer agent is dense
Spend for 3～15mmol/L, preferably 5～10mmol/L, in the buffer solution that the white carbon being dried and dopamine addition are configured, room
The lower reaction of temperature was filtered, washed and dried after 0.5～4 hour, the poly-dopamine modified lithium white carbon obtaining；White carbon and dopamine
Mass ratio is 1:0.05～1, preferably 1:0.1～0.4；The mass ratio of white carbon and buffer solution is 1:50～500, preferably 1:
100～300；
（2）The preparation of rubber composition：Filler, rubber raw rubber and the auxiliary agent comprising poly-dopamine modified lithium white carbon is added to enter
Row mixing, sulfuration, prepare rubber composition, and the filling adding amount comprising poly-dopamine modified lithium white carbon is rubber raw rubber quality
10～80%, preferably 20～60%.
The preparation method of the rubber composition containing modified white carbon black of the present invention, comprises poly-dopamine modified lithium white carbon
Filler refer in filler, comprise poly-dopamine modified lithium white carbon, filler can be with all poly-dopamine modified lithium white carbons；Also may be used
Think the mixture of poly-dopamine modified lithium white carbon and white carbon black, poly-dopamine modified lithium white carbon and carbon black mass than for 5～15:1,
Preferably 8～12:1.
The preparation method of the rubber composition containing modified white carbon black of the present invention, filler is poly-dopamine modified lithium Linesless charcoal
During the mixture of black and white carbon black, filler can carry out kneading sulfuration with rubber raw rubber, auxiliary agent and prepare rubber composition it is also possible to existing
By poly-dopamine modified lithium white carbon and white carbon black be prepared into poly-dopamine modified lithium silica/carbon black compounded mix again with rubber raw rubber,
Auxiliary agent carries out mixing sulfuration.The preparation process of compounded mix is：Under high-speed mixer high-speed stirred, mass ratio is added to be 1:5
～15, preferably 1:8～12 white carbon black and poly-dopamine modified lithium white carbon, stirring makes it be sufficiently mixed in 1～3 hour, obtains poly- many
Bar amine modified white carbon black/white carbon black compounded mix.
A kind of preparation method of rubber composition containing modified white carbon black of the present invention, white carbon can be vapor phase method
White carbon, precipitated silica or the mixture of the two, can be selected according to demand.
A kind of preparation method of rubber composition containing modified white carbon black of the present invention, the modifying process of white carbon
In, alkalescence buffer agent therein is common buffer agent, and it is relative with the buffer system of acid system.Alkalescence buffers
Agent be selected from trishydroxymethylaminomethane, barbital, barbital/sodium chloride composite buffering agent, boric acid/potassium chloride composite buffering agent,
One of Borax/calcium chloride composite buffering agent, disodium hydrogen phosphate, dipotassium hydrogen phosphate/potassium dihydrogen phosphate composite buffering agent, preferably
Trishydroxymethylaminomethane, barbital.
A kind of preparation method of rubber composition containing modified white carbon black of the present invention, the modifying process of white carbon
In, mineral acid therein is one of hydrochloric acid, nitric acid, sulphuric acid, phosphoric acid.
A kind of preparation method of rubber composition containing modified white carbon black of the present invention, the modifying process of white carbon
In, inorganic base therein is potassium hydroxide or sodium hydroxide.
A kind of preparation method of rubber composition containing modified white carbon black of the present invention, the modifying process of white carbon
In, the white carbon being dried is dried using any technique commonly known, such as by white carbon in 100～120 DEG C of vacuum
Lower drying.
A kind of preparation method of rubber composition containing modified white carbon black of the present invention, white carbon black and modified white carbon black mix
Close and be dried using any technique commonly known, such as mix in high-speed mixer.
A kind of preparation method of rubber composition containing modified white carbon black of the present invention, adopts in rubber mixing process
With conventional mixing facilities, such as mill and banbury.
A kind of preparation method of rubber composition containing modified white carbon black of the present invention, rubber raw rubber is selected from butylbenzene rubber
One or more of glue, butadiene rubber, butyl rubber, isoprene rubber, EP rubbers, natural rubber, for example, can be butylbenzene
Rubber SBR1502, butadiene rubber are BR9000, Malaysian import natural rubber.
A kind of preparation method of rubber composition containing modified white carbon black of the present invention, auxiliary agent therein mixes for rubber
The auxiliary agent being commonly incorporated into during refining, these auxiliary agents are well known for the person skilled in the art, for example, can be vulcanizing agent, promotion
One or more of agent, age resistor, operation oil etc., the species of these auxiliary agents and addition exist《Practical rubber compounding technology》In
It is described in detail.
A kind of preparation method of rubber composition containing modified white carbon black of the present invention, with DOPA amine monomers be first
Raw material, passes through " autoxidation polymerization " in alkalescence aqueous solution of buffer agent, obtains poly-dopamine modified lithium white carbon；Again will be modified white
White carbon black, white carbon black and auxiliary agent and compounding rubber prepare rubber composition.The introducing of white carbon surface poly-dopamine layer reduces surface
Active force between hydroxyl, changes the surface texture of white carbon, efficiently solves the problems, such as that white carbon is easily reunited, makes white carbon
More uniform with white carbon black mixing, make the adhesion between compounded mix and rubber matrix more preferable, thus improving making of rubber product
Use performance.Modified-reaction of the present invention and mixed process are simple, and energy consumption is low, can use it to manufacture green tire.
The present invention has preferred technical scheme, poly-dopamine modified lithium white carbon and white carbon black is prepared into compounded mix, so
After prepare rubber composition, be more beneficial for dispersion in rubber for the filler.In compounded mix, modified white carbon black adopts vapor phase method white
White carbon black and the mixture of precipitated silica, the advantage combining fume colloidal silica and precipitated silica, make building rubber compound
The performance of thing is more superior.
Brief description
Fig. 1 white carbon (a) and the infrared spectrum spectrogram of poly-dopamine modified lithium white carbon (b).On a, in wave number it is
1099cm-1The asymmetrical stretching vibration absworption peak of Si-O-Si in place, is 804cm in wave number-1The symmetrical of Si-O-Si in place
Stretching vibration absworption peak, is 465cm in wave number-1The bending vibration absworption peak of Si-O-Si in place.Phenyl ring is occurred in that on b
(1600～1450cm-1) Weak Absorption peak, the absorption of phenyl ring in poly-dopamine can be belonged to, illustrate that poly-dopamine is successful
It is deposited on white carbon surface.
Specific embodiment
In order to be better understood from the present invention, by embodiment to further instruction of the present invention, but the protection model of the present invention
Enclose and be not limited to embodiment.
（1）Raw material sources：
Gas-phase silica, precipitated silica, Weifang Wan Li auxiliary agent company limited produces；
White carbon black, Shanxi Heng great chemical industry Co., Ltd；
Dopamine, trishydroxymethylaminomethane, 99.5%, Acros Organics company produces；
Barbital, sodium chloride, Borax, calcium chloride, boric acid, potassium chloride, dipotassium hydrogen phosphate, potassium dihydrogen phosphate, phosphoric acid hydrogen two
Sodium, 99%, Chemical Reagent Co., Ltd., Sinopharm Group produce；
Natural rubber, Malaysian imported product；
Isoprene rubber, Jilin Petrochemical company of CNPC produces；
Butadiene-styrene rubber, SBR1502E, Lanzhou Petrochemical Company produces；
Butadiene rubber, BR9000, Yanshan Petrochemical company produces.
（2）Analysis method：
Sample infrared spectrum analysiss：Using German Bruker spectral instrument company infrared spectrometer Nano carbon white before modified
Sample carries out functional group analysis afterwards.Sample is dried in vacuum drying oven at 100 DEG C, using pressing potassium bromide troche, gathers wave number model
Enclose 400-4000.
Polymer deposition amount differential thermal analyses：Using German NETZSCH company synchronous solving (TG/DSC, STA449C)
The deposition of poly-dopamine is analyzed.Sample is dried in vacuum drying oven at 100 DEG C, collection sample is in 20-600 DEG C of model
Weight loss data in enclosing.
0 DEG C and 60 DEG C of fissipation factors：Using the DMAQ800 type dynamic thermomechanical analysis apparatus analysis of TA company, from double outstanding
Arm chuck.In -150 DEG C～100 DEG C temperature programmings, heating rate is 3 DEG C/min, and amplitude is 10 μm, and test frequency is respectively
For 1Hz, 5Hz, 10Hz, dynamic force 1N；
Tensile strength, elongation at break：Execution standard GB/T528-2009；
Shao Er A type hardness tester：Execution standard GB/T531.1-2008.
Embodiment 1
（1）The modification of white carbon：
White carbon A-1 is modified, concrete component is shown in Table 1.White carbon is dried at 100 DEG C of vacuum.By be dried
White carbon dopamine adds the trishydroxymethylaminomethane buffer solution that the pH of configuration is 8（Concentration 10mmol/L）In, under room temperature
Reaction was filtered, washed and dried after 2 hours, the white carbon that the poly-dopamine obtaining is modified.The matter of wherein white carbon and dopamine
Amount ratio is 1:0.05, the mass ratio of white carbon and buffer solution is 1:100.Differential thermal analyses result shows poly- many in modified composite
Bar amine accounts for 3%.
（2）The preparation of rubber composition and performance test：
The poly-dopamine modified lithium white carbon A-1 and auxiliary agent that account for rubber matrix quality 25% are added in natural rubber, through fully
Mixing obtains rubber, and then sulfidization molding makes test sample according to national standard, sample is named as A-1-1.Join according to identical
Side and method preparation commonly unmodified white carbon and natural rubber composition, are named as B-1-1, wherein sizing material basic recipe is shown in Table
2, properties test result is shown in Table 3.
Embodiment 2
（1）The modification of white carbon：
White carbon A-2 is modified, concrete component is shown in Table 1.White carbon is dried at 100 DEG C of vacuum.By be dried
White carbon dopamine adds the trishydroxymethylaminomethane buffer solution that the pH of configuration is 8.5（Concentration 8mmol/L）In, under room temperature
Reaction was filtered, washed and dried after 2.5 hours, the white carbon that the poly-dopamine obtaining is modified.Wherein white carbon and dopamine
Mass ratio is 1:0.1, the mass ratio of white carbon and buffer solution is 1:200.Differential thermal analyses result shows poly- in modified composite
Dopamine accounts for 7%.
（2）The preparation of rubber composition and performance test：
Poly-dopamine modified lithium white carbon A-2, white carbon black and auxiliary agent are added in isoprene rubber, is then sulfided into through abundant mixing
Type, makes test sample according to national standard, and sample is respectively designated as A-2-1.Wherein modified white carbon black A-2, white carbon black gross mass
Account for the 20% of rubber quality, modified white carbon black A-2, the mass ratio of white carbon black are 15:1.Common not according to same recipe and method preparation
Modified white carbon black and isoprene rubber compositionss, are named as B-2-1, wherein sizing compound formula is shown in Table 2, and properties test result is shown in Table
4.
Embodiment 3
（1）The modification of white carbon：
White carbon A-3 is modified, concrete component is shown in Table 1.White carbon is dried at 110 DEG C of vacuum.By be dried
White carbon dopamine adds the barbital buffer solution that the pH of configuration is 8.5（Concentration 6mmol/L）In, react 3 hours under room temperature
After be filtered, washed and dried, the white carbon that the poly-dopamine that obtains is modified.The mass ratio of wherein white carbon and dopamine is 1:
0.2, the mass ratio of white carbon and buffer solution is 1:200.Differential thermal analyses result shows that in modified composite, poly-dopamine accounts for
15%.
（2）The preparation of compounded mix：
Under high-speed mixer high-speed stirred, the ratio of white carbon black and polymer modification white carbon A-3 is according to 1:5、1:8、1:
14 ratio adds, and stirring makes it be sufficiently mixed in 2 hours, obtains poly-dopamine modified lithium silica/carbon black compounded mix, orders respectively
Entitled B-3-1, B-3-2, B-3-3.
（3）The preparation of rubber composition and performance test：
Successively poly-dopamine modified lithium silica/carbon black compounded mix B-3-1, B-3-2, B-3-3 are added rubber（Butylbenzene rubber
Glue/butadiene rubber, 80/20）In, through abundant mixing then sulfidization molding, make test sample according to national standard, sample is respectively
It is named as C-3-1, C-3-2, C-3-3.According to C-3-1 same recipe and method preparation commonly unmodified white carbon and butylbenzene rubber
Glue/butadiene rubber compositionss, sample is named as D-3-1.In rubber composition, filler accounts for the 40% of rubber quality.Wherein sizing material is joined
Fang Jianbiao 2, properties test result is shown in Table 5.
Embodiment 4
（1）The modification of white carbon：
White carbon A-4 is modified, concrete component is shown in Table 1.White carbon is dried at 100 DEG C of vacuum.By be dried
White carbon dopamine adds barbital/sodium chloride buffer solution that the pH of configuration is 7.8（Concentration 6mmol/L）In, anti-under room temperature
It is filtered, washed and dried after answering 3 hours, the white carbon that the poly-dopamine obtaining is modified.The quality of wherein white carbon and dopamine
Than for 1:0.3, the mass ratio of white carbon and buffer solution is 1:250.Differential thermal analyses result shows poly- DOPA in modified composite
Amine accounts for 23%.
（2）The preparation of compounded mix：
Under high-speed mixer high-speed stirred, the ratio of white carbon black and polymer modification white carbon A-4 is according to 1:6、1:8、1:
13 ratio adds, and stirring makes it be sufficiently mixed in 2 hours, obtains poly-dopamine modified lithium silica/carbon black compounded mix, orders respectively
Entitled B-4-1, B-4-2, B-4-3.
（3）The preparation of rubber composition and performance test：
By poly-dopamine modified lithium white carbon A-4, add rubber（Butadiene-styrene rubber/butadiene rubber, 80/20）In, through fully mixed
Refining and then sulfidization molding, make test sample according to national standard, D-4-1 named respectively by sample.Successively by poly-dopamine modified lithium
Silica/carbon black compounded mix B-4-1, B-4-2, B-4-3 add rubber（Butadiene-styrene rubber/butadiene rubber, 80/20）In, through filling
Divide mixing and then sulfidization molding, make test sample according to national standard, sample is respectively designated as C-4-1, C-4-2, C-4-3.
In rubber composition, filler accounts for the 50% of rubber quality, and wherein sizing compound formula is shown in Table 2, and properties test result is shown in Table 6.
Embodiment 5
（1）The modification of white carbon：
White carbon A-5 is modified, concrete component is shown in Table 1.White carbon is dried at 110 DEG C of vacuum.By be dried
White carbon dopamine adds boric acid/potassium chloride buffer solution that the pH of configuration is 9（Concentration 8mmol/L）In, under room temperature, reaction 4 is little
When after be filtered, washed and dried, the white carbon that the poly-dopamine that obtains is modified.The mass ratio of wherein white carbon and dopamine is 1:
0.4, the mass ratio of white carbon and buffer solution is 1:400.Differential thermal analyses result shows that in modified composite, poly-dopamine accounts for
31%.
（2）The preparation of compounded mix：
Under high-speed mixer high-speed stirred, the ratio of white carbon black and polymer modification white carbon A-5 is according to 1:7、1:10、1:
12 ratio adds, and stirring makes it be sufficiently mixed in 2 hours, obtains poly-dopamine modified lithium silica/carbon black compounded mix, orders respectively
Entitled B-5-1, B-5-2, B-5-3.
（3）The preparation of rubber composition and performance test：
Poly-dopamine modified lithium white carbon A-5 is added rubber（Butadiene-styrene rubber/butadiene rubber, 80/20）In, knead through abundant
Then sulfidization molding, makes test sample according to national standard, and sample is respectively designated as D-5-1.Successively by poly-dopamine modified lithium
Silica/carbon black compounded mix B-5-1, B-5-2, B-5-3 add rubber（Butadiene-styrene rubber/butadiene rubber, 80/20）In, through filling
Divide mixing and then sulfidization molding, make test sample according to national standard, sample is respectively designated as C-5-1, C-5-2, C-5-3.
In rubber composition, filler accounts for the 30% of rubber quality, and wherein sizing compound formula is shown in Table 2, and properties test result is shown in Table 7.
The component of table 1 white carbon is constituted（Mass parts）
| White carbon component | A-1 | A-2 | A-3 | A-4 | A-5 |
| Precipitated silica | 0 | 100 | 50 | 70 | 30 |
| Fume colloidal silica | 100 | 0 | 50 | 30 | 70 |
Table 2 sizing compound formula component（Mass parts）
| Material name | Weight portion | Raw material types |
| Rubber | 100 | Rubber |
| Filler | 10-80 | Reinforcing agent |
| Hydrocarbon oil | 20 | Operation oil |
| Zinc oxide | 3 | Activator |
| Stearic acid | 3 | Activator |
| Age resistor | 2 | Age resistor |
| Paraffin | 1.5 | Age resistor |
| Sulfur | 1.5 | Vulcanizing agent |
| Accelerator | 2 | Accelerator |
The test result of table 3 rubber composition
The test result of table 4 rubber composition
The test result of table 5 rubber composition
The test result of table 6 rubber composition
The test result of table 7 rubber composition
Claims (13)
1. a kind of preparation method of the rubber composition containing modified white carbon black is it is characterised in that it concretely comprises the following steps：
(1) modification of white carbon：Weigh alkalescence buffer agent, add a small amount of deionized water stirring so that it is completely dissolved, Ran Houjia
Entering mineral acid or the pH of inorganic base regulation solution is 7.5～10.5, and in buffer solution, the concentration of buffer agent is 3～15mmol/L,
By be dried white carbon and dopamine add configuration buffer solution in, under room temperature reaction 0.5～4 hour after filter, washing and
It is dried, obtain poly-dopamine modified lithium white carbon；The mass ratio of white carbon and dopamine is 1:0.05～1；White carbon and buffering are molten
The mass ratio of liquid is 1:50～500, wherein, described alkalescence buffer agent is selected from trishydroxymethylaminomethane, barbital, bar ratio
Appropriate/sodium chloride composite buffering agent, boric acid/potassium chloride composite buffering agent, Borax/calcium chloride composite buffering agent, disodium hydrogen phosphate, phosphorus
One of sour hydrogen dipotassium/potassium dihydrogen phosphate composite buffering agent；
(2) preparation of rubber composition：Filler, rubber raw rubber and the auxiliary agent comprising poly-dopamine modified lithium white carbon is added to be mixed
Refining, sulfuration, prepare rubber composition, comprise poly-dopamine modified lithium white carbon filling adding amount be rubber raw rubber quality 10～
80%.
2. preparation method according to claim 1 is it is characterised in that the filler comprising poly-dopamine modified lithium white carbon is selected from
Poly-dopamine modified lithium white carbon, mass ratio are 5～15：1 poly-dopamine modified lithium white carbon and the mixture of white carbon black.
3. preparation method according to claim 2 is it is characterised in that the filler comprising poly-dopamine modified lithium white carbon is matter
Amount ratio is 8～12：1 poly-dopamine modified lithium white carbon and black stock.
4. preparation method according to claim 1 is it is characterised in that the filler comprising poly-dopamine modified lithium white carbon adds
Measure as 20～60%.
5. preparation method according to claim 2 is it is characterised in that the filler comprising poly-dopamine modified lithium white carbon is poly-
During the mixture of dopamine modified white carbon black and white carbon black, filler and rubber raw rubber, auxiliary agent carry out kneading, building rubber compound is prepared in sulfuration
Thing.
6. preparation method according to claim 2 is it is characterised in that the filler comprising poly-dopamine modified lithium white carbon is poly-
During the mixture of dopamine modified white carbon black and white carbon black, poly-dopamine modified lithium white carbon and white carbon black are prepared into poly-dopamine modified lithium
Silica/carbon black compounded mix, then carry out mixing sulfuration with rubber raw rubber, auxiliary agent；The preparation process of compounded mix is：At a high speed
Under mixer high-speed stirred, add white carbon black and poly-dopamine modified lithium white carbon, stirring makes it be sufficiently mixed in 1～3 hour.
7. preparation method according to claim 1 is it is characterised in that rubber raw rubber is selected from butadiene-styrene rubber, butadiene rubber, fourth
One or more of base rubber, isoprene rubber, EP rubbers, natural rubber.
8. preparation method according to claim 1 is it is characterised in that in the modifying process of white carbon, the pH value of solution is
8.5～9.5.
9. preparation method according to claim 1 is it is characterised in that in the modifying process of white carbon, buffer in buffer solution
The concentration of agent is 5～10mmol/L.
10. preparation method according to claim 1 is it is characterised in that in the modifying process of white carbon, white carbon and DOPA
The mass ratio of amine is 1:0.1～0.4.
11. preparation methoies according to claim 1 it is characterised in that in the modifying process of white carbon, white carbon and buffering
The mass ratio of solution is 1:100～300.
12. preparation methoies according to claim 1 it is characterised in that mineral acid be hydrochloric acid, nitric acid, sulphuric acid, in phosphoric acid
A kind of；Inorganic base is potassium hydroxide or sodium hydroxide.
13. preparation methoies according to claim 12 are it is characterised in that alkalescence buffer agent is selected from trihydroxy methyl amino first
Alkane, barbital.
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| WO2021074047A1 (en) * | 2019-10-15 | 2021-04-22 | Rhodia Operations | Process for the preparation of modified silica, modified silica and its uses |
| CN112824459B (en) * | 2019-11-20 | 2023-08-15 | 中胶永生东南亚乳胶制品股份有限公司 | Modification method of white carbon black, rubber composite material, preparation method and application thereof |
| CN114437434B (en) * | 2022-01-28 | 2023-04-25 | 青岛科技大学 | ESBR/SiO 2 Preparation method of @ EVMG composite material |
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