CN107814994A - Reclaimed rubber that a kind of trans butadiene-isoprene rubber is modified and its production and use - Google Patents
Reclaimed rubber that a kind of trans butadiene-isoprene rubber is modified and its production and use Download PDFInfo
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- CN107814994A CN107814994A CN201711154931.7A CN201711154931A CN107814994A CN 107814994 A CN107814994 A CN 107814994A CN 201711154931 A CN201711154931 A CN 201711154931A CN 107814994 A CN107814994 A CN 107814994A
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 87
- 239000005060 rubber Substances 0.000 title claims abstract description 86
- VLLYOYVKQDKAHN-UHFFFAOYSA-N buta-1,3-diene;2-methylbuta-1,3-diene Chemical compound C=CC=C.CC(=C)C=C VLLYOYVKQDKAHN-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229920003049 isoprene rubber Polymers 0.000 title claims abstract description 46
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000000945 filler Substances 0.000 claims abstract description 25
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 23
- 239000000203 mixture Substances 0.000 claims abstract description 12
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000011084 recovery Methods 0.000 claims abstract description 9
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 7
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 7
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000008117 stearic acid Substances 0.000 claims abstract description 7
- 239000011593 sulfur Substances 0.000 claims abstract description 7
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 7
- 239000011787 zinc oxide Substances 0.000 claims abstract description 5
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 150000001875 compounds Chemical class 0.000 claims description 25
- 238000002156 mixing Methods 0.000 claims description 19
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- 244000043261 Hevea brasiliensis Species 0.000 claims description 9
- 238000013329 compounding Methods 0.000 claims description 9
- 229920003052 natural elastomer Polymers 0.000 claims description 9
- 229920001194 natural rubber Polymers 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- KAKZBPTYRLMSJV-UHFFFAOYSA-N butadiene group Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 238000004513 sizing Methods 0.000 claims description 7
- 239000006229 carbon black Substances 0.000 claims description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 239000013536 elastomeric material Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 229910021389 graphene Inorganic materials 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical group CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 3
- 239000005062 Polybutadiene Substances 0.000 claims description 3
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 3
- 229920005549 butyl rubber Polymers 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- KOQFJKQRPZRORH-UHFFFAOYSA-N 1-benzyl-3-methylpyrrole-2,5-dione Chemical compound O=C1C(C)=CC(=O)N1CC1=CC=CC=C1 KOQFJKQRPZRORH-UHFFFAOYSA-N 0.000 claims description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 2
- 239000004215 Carbon black (E152) Substances 0.000 claims description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 2
- 235000012241 calcium silicate Nutrition 0.000 claims description 2
- 239000004568 cement Substances 0.000 claims description 2
- 239000003610 charcoal Substances 0.000 claims description 2
- 239000004927 clay Substances 0.000 claims description 2
- 229910052570 clay Inorganic materials 0.000 claims description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 239000011256 inorganic filler Substances 0.000 claims description 2
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 2
- 230000003993 interaction Effects 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 claims description 2
- 229920001568 phenolic resin Polymers 0.000 claims description 2
- 239000005011 phenolic resin Substances 0.000 claims description 2
- 229920002857 polybutadiene Polymers 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 239000000344 soap Substances 0.000 claims description 2
- 150000003751 zinc Chemical class 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 claims 1
- 238000004220 aggregation Methods 0.000 claims 1
- 230000002776 aggregation Effects 0.000 claims 1
- CDRQSOTXDRLOTC-UHFFFAOYSA-L disodium dioxido-oxo-sulfanylidene-lambda6-sulfane dihydrate Chemical compound O.O.[Na+].[Na+].[O-]S([O-])(=O)=S CDRQSOTXDRLOTC-UHFFFAOYSA-L 0.000 claims 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims 1
- 239000000347 magnesium hydroxide Substances 0.000 claims 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims 1
- 238000013040 rubber vulcanization Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 14
- 238000004073 vulcanization Methods 0.000 description 8
- 238000003490 calendering Methods 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- -1 it is in tire Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000005486 sulfidation Methods 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 125000002897 diene group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 229920001206 natural gum Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- WZWGGYFEOBVNLA-UHFFFAOYSA-N sodium;dihydrate Chemical compound O.O.[Na] WZWGGYFEOBVNLA-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000010920 waste tyre 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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L17/00—Compositions of reclaimed rubber
-
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to a kind of reclaimed rubber being modified using trans butadiene-isoprene rubber and its preparation method and application.The reclaimed rubber that a kind of trans butadiene-isoprene rubber is modified, is made up of following composition by weight：The parts by weight of reclaimed rubber 95~50, the trans parts by weight of butadiene-isoprene rubber TBIR 5~50, the parts by weight of filler 2.5~50, the parts by weight of zinc oxide 1.5~4, the parts by weight of stearic acid 0.1~0.6, the parts by weight of homogenizing agent 0~5, the parts by weight of Sulfur 0.8~5, the parts by weight of accelerator 0.5~3.5, the parts by weight of age resistor 0.1~3, the parts by weight of anti-recovery agent 0~2.0.The present invention is modified using trans butadiene-isoprene rubber TBIR to reclaimed rubber, can improve filler dispersiveness.And 30%~70% is improved with the tensile strength of vulcanizate, 300% stress at definite elongation improves 40%~100%, and wear hardness improves 10%~20%, and flexing fatigue performance improves 100%~700%.It can be used for tire tread, sidewall, carcass, belt, inner liner and highway pavement and runway, improve dynamic fatigue property.
Description
Technical field
The present invention relates to reclaimed rubber, more particularly to a kind of reclaimed rubber being modified using trans butadiene-isoprene rubber and preparation method thereof
And application.
Background technology
In recent years, as the rise of oil price and the fluctuation of natural rubber price, synthetic rubber industry face price and risen
The continuous impact fallen.The price of synthetic rubber once soared all the way, and for SBR close to natural rubber, BR is even more than natural rubber valency
Lattice.As the tire of rubber major downstream application field, its price is difficult the big rising space.So cause many tires
Particularly bias tire enterprise of enterprise is difficult to maintain, and even if gaining in recent years, good all-steel radial tyre has also been had difficulty in taking a step.Such as
What breaks this deadlock, faces natural gum directly, rubber polymer significantly appreciates, and probes into the 3rd rubber sources and has arrived the stage carved and can not delayed
.
China is not only rubber import big country, while still waste old produces big country.The tire quantity scrapped every year
The problem of numerous, and the rationalization of Scrap tire, valueization processing are always domestic and international all headaches.Make to solve this problem
Start with a little, it is necessary to deep processing is carried out in terms of tyre reclaim, realizes its high-valued rational resources circulation application, also simultaneously
Can solve resource and environmental problem.The application of reclaimed rubber not only reduces the cost of rubber, increases economic efficiency, while right
There is very big effect in saving rubber sources and environmental protection, be embodiment of the recycling economy in rubber industry.
Reclaimed rubber micelle is mainly used in road surface and the physical culture runway in park or leisure center, and foreign countries also have for public at a high speed
Road.Reclaimed rubber is as crosslinked elastomeric material, and to avoid influenceing the performance of basic material, it is in tire, adhesive tape or sebific duct
It is generally not high Deng the addition in rubber.Chinese invention patent CN 102453264A disclose substitutes charcoal using reclaimed rubber
Black application, while play a part of reducing natural rubber content.In reclaimed rubber industry, there is manufacturer production to go out high-strength
The reclaimed rubber of power, high-quality.Zhongce Rubber Co., Ltd., Hangzhou discloses prepares wheel using recipe ingredient based on reclaimed rubber
Tire tread glue, sidewall rubber, carcass glue and belt compound, but its dosage can not be too high, and typically not greater than 30 parts (Chinese invention is special
Sharp CN 101628995B, CN 101628994B, CN 101628993B, CN 101628992B).《Tire industry》2008
Report application of the reclaimed rubber in agricultural tyre.The reclaimed rubber fraction of use reported above is not high, while not to again
Rubber is physically or chemically modified, but is used directly as formula composition.
The content of the invention
In order to realize the utilization of reclaimed rubber and improve its value, of the invention first purpose is to provide a kind of use
The reclaimed rubber that trans butadiene-isoprene rubber TBIR is modified, modified reclaimed rubber filler dispersiveness significantly improve, and mechanical property improves, together
When there is excellent dynamic fatigue property.
Second object of the present invention is to provide the preparation technology of trans butadiene-isoprene rubber TBIR modified reclaimed rubbers.
Third object of the present invention is to provide modified reclaimed rubber elastomeric compound and vulcanizate in tire and modified road
Using.
In order to realize above-mentioned first purpose, the present invention is modified using trans butadiene-isoprene rubber to reclaimed rubber, using such as
The component mixing of lower formula prepares elastomeric compound and vulcanizate：
The parts by weight of reclaimed rubber 95~50
The trans parts by weight of butadiene-isoprene rubber TBIR 5~50
The parts by weight of filler 2.5~50
The parts by weight of zinc oxide 1.5~4
The parts by weight of stearic acid 0.1~0.6
The parts by weight of homogenizing agent 0~5
The parts by weight of Sulfur 0.8~5
The parts by weight of accelerator 0.5~3.5
The parts by weight of age resistor 0.1~3
The parts by weight of anti-recovery agent 0~2.0；
Above parts by weight are 100 parts of meters according to rubber.
Wherein, the elastomeric material and percentage by weight that reclaimed rubber is 50%~70% by percentage by weight are 30%~50%
Filler composition；Described elastomeric material is the one or more in natural rubber, butadiene rubber, butadiene-styrene rubber, butyl rubber
Composition, described filler are one or more compositions in carbon black, white carbon, calcium carbonate.
For in the trans butadiene-isoprene rubber of modified reclaimed rubber, the molar content of butadiene unit to be 10%~60%, isoamyl
The molar content of diene units be 90%~40%, anti-form-1,4- structures molar content be more than 85%, 100 DEG C, 3+4 minutes
Mooney viscosity is 20~120.
Filler in the formula is carbon black, white carbon, graphene, graphene oxide, calcium carbonate, calcium silicates, hydroxide
One or more compounding compositions in magnesium, clay, talcum powder.
Homogenizing agent in the formula is fatty hydrocarbon petroleum resin, aromatic hydrocarbon Petropols, phenolic resin, ring-type zinc salt network
One or more compoundings in compound.The dosage of homogenizing agent is 0~5 parts by weight of rubber number.
Anti-recovery agent in the formula is 1,3- double (citraconimidomethyl) benzene, hexamethylene-1s, 6 pairs of thio sulphur
One or more compounding uses in sour sodium dihydrate, organic zinc soaps.
Second object of the present invention is to provide systems of the trans butadiene-isoprene rubber TBIR for modified reclaimed rubber of above-mentioned formula
Standby technique, is specifically kneaded using following technique：
(1) trans butadiene-isoprene rubber TBIR prepares trans butadiene-isoprene rubber TBIR mothers with partial filler and the blending of age resistor banbury
Glue, wherein the weight ratio of trans butadiene-isoprene rubber TBIR and filler is 100：50~100：70, trans butadiene-isoprene rubber TBIR are with preventing always
The weight ratio of agent is 100：0.1~100：1,50~100 DEG C, 30~100rpm of banbury rotating speed of melting temperature, mixing time 8~
20min；
(2) trans butadiene-isoprene rubber TBIR rubber master batch is 5~50 according to weight ratio with reclaimed rubber：95~50 banburyings are blended, wherein
50~100 DEG C, 30~70rpm of banbury rotating speed, 2~4min of mixing time of melting temperature, then add remainder filler and
Age resistor, homogenizing agent, zinc oxide, stearic acid are added, continue to be kneaded 8-16min；
(3) step (2) prepare elastomeric compound on a mill, mill 30~60rpm of rotating speed, mixing temperature 40~80
DEG C, accelerator, Sulfur, anti-recovery agent are added, 2~10min of mill, bottom sheet, obtains elastomeric compound.
By above-mentioned calendering process, second object of the present invention is realized, that is, a kind of trans butadiene-isoprene rubber is provided and is modified
The elastomeric compound process of preparing of reclaimed rubber.
The modified reclaimed rubber elastomeric compound prepared by above-mentioned calendering process, it is modified through the trans copolymer rubber of fourth penta, it is modified
Inorganic filler decentralization improves 10%~20% in reclaimed rubber elastomeric compound, and filler aggregate size reduces by 5%~20%, polymer
With filler Interaction enhanced.
The copolymer rubber elastomeric compound of trans fourth penta prepared through above-mentioned calendering process, using 140~160 DEG C of test vulcanization characteristics
Curve, and vulcanized according to technique sulfurizing time, obtain vulcanizate.The modified reclaimed rubber sulphur of the trans copolymer rubber of fourth penta
After change, tensile strength raising 30%~70%, 300% stress at definite elongation raising 40%~100%, wear hardness raising 10%~
20%, flexing fatigue performance improves 100%~700%.
The reclaimed rubber elastomeric compound that the trans butadiene-isoprene rubber of the present invention is modified, can substitute part general purpose rubber and can be applied to take turns
Tire tread, sidewall, carcass, belt, carcass external protection cement, inner liner position.It can be also used for express highway pavement, runway.
While reducing production cost and keep former compound physical mechanical property, the dynamic fatigue property of sizing material is effectively improved.
Embodiment
Embodiment 1
Trans butadiene-isoprene rubber TBIR modified reclaimed rubbers, are consisted of the following composition in parts by weight：
In above-mentioned sizing material, reclaimed rubber uses retread tread rubber rubber powder, wherein containing 70% natural rubber and 30%
Carbon black；Butadiene structural units molar content is 20% in trans butadiene-isoprene rubber, and isoprene unit molar content is 80%,
Anti-form-1,4- structural contents 93%, Mooney viscosity 80 (100 DEG C, 3+4min).Carry out being kneaded by the following method preparing and be kneaded
Glue：
(1) trans butadiene-isoprene rubber TBIR and 35 parts of carbon black N330 blendings prepare TBIR rubber master batch, and melting temperature is 70 DEG C, banburying
Machine rotating speed 70rpm, mixing time 16min；
(2) the TBIR rubber master batch and 50 parts of reclaimed rubbers prepared step (1) is blended, and wherein 70 DEG C of melting temperature, banbury turn
Fast 70rpm, mixing time 2min, remainder filler and age resistor are then added, be kneaded 2min, add homogenizing agent, oxidation
Zinc, stearic acid, it is kneaded 8min, dumping；
(3) elastomeric compound prepared by step (2) on a mill, mill rotating speed 45rpm, 60 DEG C of mixing temperature, is added and promoted
Enter agent, Sulfur, anti-recovery agent, left and right 3/4 is tapped rubber 4 times, and thin to lead to and beat triangle bag 6 times, 2mm bottom sheet room temperatures are parked, and are obtained
Elastomeric compound.After elastomeric compound room temperature parks 48 hours, vulcanized.Sulfidation is determined at 145 DEG C according to vulcanization characteristics curve
Technique sulfurizing time, at 145 DEG C vulcanization obtain vulcanizate.Cured properties is shown in Table 1.
Comparative example 1
It is modified except not adding trans butadiene-isoprene rubber TBIR, directly with 100 parts of reclaimed rubbers, remaining is the same as embodiment 1.
The compounding process of the sizing material of the present embodiment and vulcanization are as described in Example 1.
Embodiment 2
Except reclaimed rubber uses inner liner partial regeneration glue, wherein containing 10% natural rubber, 60% butyl rubber
With 30% white carbon；Butadiene structural units molar content is 20% in trans butadiene-isoprene rubber, transconfiguration content 90%, door
Buddhist nun's viscosity 60 (100 DEG C, 3+4min), filler use silica, and remaining is the same as embodiment 1.
The compounding process of the sizing material of the present embodiment and vulcanization are as described in Example 1.
Embodiment 3
Except reclaimed rubber dosage is 100 parts, 5 parts of TBIR dosages, filler is calcium carbonate, and remaining is the same as embodiment 1.
The compounding process of the sizing material of the present embodiment and vulcanization are as described in Example 1.
Embodiment 4
Trans butadiene-isoprene rubber TBIR modified reclaimed rubbers, are consisted of the following composition in parts by weight：
In above-mentioned sizing material, reclaimed rubber uses retread tread rubber rubber powder, wherein containing 35% natural rubber, 15%
Butadiene-styrene rubber and 50% carbon black；Butadiene structural units molar content is 60% in trans butadiene-isoprene rubber, isoprene unit
Molar content is 40%, anti-form-1,4- structural contents 95%, Mooney viscosity 60 (100 DEG C, 3+4min).Enter by the following method
Row mixing prepares elastomeric compound：
(1) trans butadiene-isoprene rubber TBIR and 20 parts of white carbon blendings prepare TBIR rubber master batch, and melting temperature is 100 DEG C, banburying
Machine rotating speed 100rpm, mixing time 10min；
(2) the TBIR rubber master batch and 60 parts of reclaimed rubbers prepared step (1) is blended, and wherein 50 DEG C of melting temperature, banbury turn
Fast 30rpm, mixing time 4min, remainder filler and age resistor are then added, be kneaded 2min, add homogenizing agent, oxidation
Zinc, stearic acid, it is kneaded 14min, dumping；
(3) elastomeric compound prepared by step (2) on a mill, mill rotating speed 60rpm, 80 DEG C of mixing temperature, is added and promoted
Enter agent, Sulfur, anti-recovery agent, left and right 3/4 is tapped rubber 4 times, and thin to lead to and beat triangle bag 6 times, 2mm bottom sheet room temperatures are parked, and are obtained
Elastomeric compound.After elastomeric compound room temperature parks 48 hours, vulcanized.Sulfidation is determined at 145 DEG C according to vulcanization characteristics curve
Technique sulfurizing time, at 145 DEG C vulcanization obtain vulcanizate.Cured properties is shown in Table 1.
The embodiment 1-4 of table 1 and comparative example 1 result of the test data
Claims (9)
1. the reclaimed rubber that a kind of trans butadiene-isoprene rubber is modified, it is characterised in that be kneaded using the component being formulated as follows and prepare mixing
Glue：
The parts by weight of reclaimed rubber 95~50
The trans parts by weight of butadiene-isoprene rubber TBIR 5~50
The parts by weight of filler 2.5~50
The parts by weight of zinc oxide 1.5~4
The parts by weight of stearic acid 0.1~0.6
The parts by weight of homogenizing agent 0~5
The parts by weight of Sulfur 0.8~5
The parts by weight of accelerator 0.5~3.5
The parts by weight of age resistor 0.1~3
The parts by weight of anti-recovery agent 0~2.0.
2. the reclaimed rubber that trans butadiene-isoprene rubber according to claim 1 is modified, it is characterised in that reclaimed rubber is by weight percent
The filler composition for being 30%~50% than the elastomeric material for 50%~70% and percentage by weight；Elastomeric material is natural rubber
One or more compositions in glue, butadiene rubber, butadiene-styrene rubber, butyl rubber, filler is in carbon black, white carbon, calcium carbonate
One or more composition.
3. the reclaimed rubber that trans butadiene-isoprene rubber according to claim 1 is modified, it is characterised in that the trans butadiene-isoprene rubber
The molar content of middle butadiene unit is 10%~60%, and the molar content of isoprene unit is 90%~40%, anti-form-1,
4- structures molar content is more than 85%, and 100 DEG C, the Mooney viscosity of 3+4 minutes is 20~120.
4. the reclaimed rubber that trans butadiene-isoprene rubber according to claim 1 is modified, it is characterised in that described filler is charcoal
One or more in black, white carbon, graphene, graphene oxide, calcium carbonate, calcium silicates, magnesium hydroxide, clay, talcum powder
Compounding composition；Described homogenizing agent is fatty hydrocarbon petroleum resin, aromatic hydrocarbon Petropols, phenolic resin, ring-type zinc salt complex compound
In one or more compoundings；Described anti-recovery agent is 1,3- double (citraconimidomethyl) benzene, hexamethylene-1s, 6 pairs
One or more compounding uses in sodium thiosulfate dihydrate, organic zinc soaps.
5. the reclaimed rubber that a kind of trans butadiene-isoprene rubber is modified, its preparation method are as follows：
(1) trans butadiene-isoprene rubber TBIR prepares trans butadiene-isoprene rubber TBIR rubber master batch with partial filler and the blending of age resistor banbury,
Wherein trans butadiene-isoprene rubber TBIR and filler weight ratio are 100：50~100：70, trans butadiene-isoprene rubber TBIR's and age resistor
Weight ratio is 100：0.1~100：1,50~100 DEG C, 30~100rpm of banbury rotating speed of melting temperature, mixing time 8~
20min；
(2) trans butadiene-isoprene rubber TBIR rubber master batch is 5~50 according to weight ratio with reclaimed rubber：95~50 banburyings are blended, wherein being kneaded
50~100 DEG C, 30~70rpm of banbury rotating speed, 2~4min of mixing time of temperature, then add remainder filler and prevent old
Agent, homogenizing agent, zinc oxide, stearic acid are added, continue to be kneaded 8-16min；
(3) elastomeric compound prepared by step (2) on a mill, mill 30~60rpm of rotating speed, 40~80 DEG C of mixing temperature, adds
Enter accelerator, Sulfur, anti-recovery agent, 2~10min of mill, bottom sheet, obtain elastomeric compound.
6. the reclaimed rubber that the trans butadiene-isoprene rubber according to claim 1 or claim 5 is modified, it is characterised in that through anti-
Formula butadiene-isoprene rubber is modified, and inorganic filler decentralization improves 10%~20% in modified reclaimed rubber elastomeric compound, filler aggregation chi
Very little reduction by 5%~20%, polymer and filler Interaction enhanced.
7. the reclaimed rubber that trans butadiene-isoprene rubber according to claim 1 is modified, it is characterised in that the trans butadiene-isoprene rubber
After modified reclaimed rubber vulcanization, tensile strength improves 30%~70%, and 300% stress at definite elongation improves 40%~100%, abrasion
Performance improves 10%~20%, and flexing fatigue performance improves 100%~700%.
8. the reclaimed rubber that the trans butadiene-isoprene rubber according to claim 1 or claim 5 is modified, it is characterised in that described
Elastomeric compound vulcanizate is made through over cure.
9. the reclaimed rubber that trans butadiene-isoprene rubber according to claim 7 is modified, it is characterised in that can be applied to tire
Face, sidewall, carcass, belt, carcass external protection cement, inner liner position and express highway pavement, runway, reduce production cost and
While keeping former compound physical mechanical property, the dynamic fatigue property of sizing material is effectively improved.
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| CN109206678A (en) * | 2018-09-07 | 2019-01-15 | 山东华聚高分子材料有限公司 | A kind of high fatigue life rubber strip and preparation method thereof |
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| CN114805959A (en) * | 2022-04-29 | 2022-07-29 | 山东华聚高分子材料有限公司 | Pre-dispersed rubber auxiliary master batch, preparation method and application thereof |
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| CN110878149A (en) * | 2018-09-06 | 2020-03-13 | 中国石油化工股份有限公司 | Low-odor rubber sealing strip for passenger car |
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| CN109206678A (en) * | 2018-09-07 | 2019-01-15 | 山东华聚高分子材料有限公司 | A kind of high fatigue life rubber strip and preparation method thereof |
| CN109206764A (en) * | 2018-09-07 | 2019-01-15 | 山东华聚高分子材料有限公司 | A kind of high fatigue life tire liner glue and preparation method thereof |
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| CN114276588A (en) * | 2021-11-19 | 2022-04-05 | 浙江威格尔传动股份有限公司 | Anti-cracking low-temperature synchronous belt and manufacturing method thereof |
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| CN117603512A (en) * | 2023-12-19 | 2024-02-27 | 温州市优联新材料有限公司 | Novel rubber material and preparation method thereof |
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