CN104327327A - Application of continuously-prepared rubber masterbatch in bead rim cushion of car tire - Google Patents

Application of continuously-prepared rubber masterbatch in bead rim cushion of car tire Download PDF

Info

Publication number
CN104327327A
CN104327327A CN201410609748.1A CN201410609748A CN104327327A CN 104327327 A CN104327327 A CN 104327327A CN 201410609748 A CN201410609748 A CN 201410609748A CN 104327327 A CN104327327 A CN 104327327A
Authority
CN
China
Prior art keywords
rubber
weight part
weight
application according
agent
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.)
Pending
Application number
CN201410609748.1A
Other languages
Chinese (zh)
Inventor
徐召来
刘震
王小菊
王茂英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EVE RUBBER RESEARCH INSTITUTE Co Ltd
Original Assignee
EVE RUBBER RESEARCH INSTITUTE Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by EVE RUBBER RESEARCH INSTITUTE Co Ltd filed Critical EVE RUBBER RESEARCH INSTITUTE Co Ltd
Priority to CN201410609748.1A priority Critical patent/CN104327327A/en
Publication of CN104327327A publication Critical patent/CN104327327A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/20Compounding polymers with additives, e.g. colouring
    • C08J3/22Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/226Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2309/00Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2407/00Characterised by the use of natural rubber
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer 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

The invention relates to application of continuously-prepared rubber masterbatch in a bead rim cushion of a car tire. The application comprises the following steps: a, adding white carbon black, a coupling agent, oil and an anti-aging agent into the rubber solution, injecting into a coagulator for agglomeration after mixing and dispersing evenly, removing a solvent and drying to obtain the rubber masterbatch; b, adding the rubber masterbatch into an internal mixer, adding a vulcanizing agent and an accelerant into the internal mixer, evenly mixing to obtain the rubber compound for the bead rim cushion of the car tire; c, performing vulcanization on the rubber compound for the bead rim cushion of the car tire under a vulcanization condition to obtain the vulcanized rubber for the bead rim cushion of the car tire, wherein the above steps also comprise addition of additives, the additives are added in step a and/or step b, the additives comprise one or more of a coupling agent, an anti-aging agent, an active agent and oil, and the rubber in the rubber solution is the combination of natural rubber and at least one of polybutadiene rubber, polyisoprene rubber and polystyrene butadiene rubber.

Description

Rubber masterbatch prepared by a kind of continous way protects the application in glue in car tire rim of the mouth
Technical field
The present invention relates to rubber for tire sizing material production field, the rubber masterbatch particularly prepared containing a kind of continous way protects preparation in glue in tyres for passenger cars rim of the mouth and the application of glue in tyres for passenger cars is protected in this rim of the mouth.
Background technology
Protect in glue preparation process at tyre rim, by formula in filler and the additive conventional approach be mixed in rubber be with large-scale mixing facilities, such as Banbury mixer, milling machine and opening rubber mixing machine etc., be mixed into Powdered or liquid filler and additive in solid rubber.This kind of mixing rim of the mouth of technique is protected glue formula and is contained the filler of higher number because of it, its mixing time is long, milling maternal rubber hop count is more, consume energy high, dust is many and filler bad dispersibility in rubber, the degree of scatter of filler directly affects the interaction of filler-filler, thus affect the thermogenesis performance that tyre rim protects glue, and then there is impact to the use properties of tire and quality product; In addition this traditional mixing technology is because the filler number of formula is higher, usually need to add some processing aids when milling maternal rubber for the ease of processing, but these processing aids play adverse influence to filler-rubber interactions, this all has an impact to rubber strength, wear hardness and final tire product quality.
In recent years, the master batch of the relevant mixing preparation of liquid phase, in the application of tire production, has introduction in some documents and patent.The application of wet masterbatch rubber combination in tire is refer in CN102414270A, the wet method rubber master batch preparation technology related in this patent is prepared respectively: A, gonorrhoea shape rubber pharmaceutical chemicals dispersion liquid (anti-aging agent, wax, at least one in stearic acid and resin), B, rubber latex, C, filler slurries, then by after two kinds of liquid mixing wherein preparing, again with another kind of liquid mixing, this kind of complicated process of preparation, need preparation gonorrhoea shape rubber pharmaceutical chemicals dispersion liquid separately, and pharmaceutical chemicals kind is wherein restricted, only be mentioned to anti-aging agent, wax, at least one in stearic acid and resin.A kind of application of wet method rubber master batch in the tread glue formula of mine containing solution dispersion white carbon black latex mixture is mentioned in CN102807689A, the wet method rubber master batch mentioned in this patent refers to: carry out mixing through solidifying with a small amount of rubber latex used in formula in advance by a small amount of filler used in tyre surface formula and for white carbon black and silane, dehydration, the rubber master batch that washing is obtained, the section of plasticating is have passed through in tread mix preparation process, mixing one section, supplement mixing two sections, add sulphur totally four sections mixing, the wet method rubber master batch mentioned in this patent carries out pre-dispersed to white carbon black, white carbon black can be made to disperse in sizing material more even, but this kind of wet method rubber master batch packing variety and content are all restricted, and the calendering process of tread mix is not simplified and application site has only been limited to mine tread rubber." application of liquid-phase mixing NR/ carbon black composite material in tread rubber " that " tire industry " second phase in 2005 delivers, the application of NR/ carbon black composite material (CEC) is referred in this document, CEC one-stage process is relate to mixing mixing with CEC two-phase method in document, female refining medicine and whole refining medicine need be added at this mixing process, the NR/ carbon black composite material mentioned in this document is that the technique that Cabot Co., Ltd of U.S. natural rubber latex and carbon black water slurry adopt liquid phase to manufacture natural gum/carbonblack master batch continuously obtains, the method that this liquid phase continuous mixing prepares rubber/filler master batch simplifies rubber mixing technique, mixing time, reduce energy consumption with artificial, but rubber used in rubber master batch preparation, packing variety and content are restricted, and the additives such as rubber master batch medicine still need add at tread mix mixing process, its application simultaneously is also be limited in the tread rubber of tire.
Summary of the invention
For the problem of prior art, first object of the present invention is to provide a kind of tyres for passenger cars rim of the mouth containing rubber masterbatch prepared by method for continuously producing and protects glue sizing material, and after this rubber vulcanization, fillers dispersed degree is high, and wear resisting property significantly improves, heat-dissipating reduces, and tension set reduces.Second object of the present invention is to provide the preparation method that glue sizing material is protected in the above-mentioned rim of the mouth containing rubber masterbatch prepared by method for continuously producing, apply this preparation method can simplify rubber mixing technique, shorten mixing time, reduce energy consumption and artificial, the 3rd object of the present invention is to provide above-mentioned rim of the mouth and protects the application of glue in tyres for passenger cars.
Have employed the manufacturing process that continous way prepares rubber masterbatch in the present invention and protect glue and tire to prepare tyres for passenger cars rim of the mouth, protect glue with traditional dry method calendering process with rim of the mouth to compare, this method improves the dispersity of filler in rubber size, decrease mixing step, solve the mixing problem of not easily disperseing of filler, glue is protected in fillers dispersed in the rim of the mouth using this method to prepare, mechanical property, wear resisting property, low-heat-generation, the aspects such as low distortion are all very superior, use the standby tyre rim of this legal system to protect glue to be applied to after in tire, while maintaining safety performance, the resistant to damage ability of bead can be promoted.
The application that rubber masterbatch prepared by a kind of continous way of the present invention protects in glue in car tire rim of the mouth comprises following steps:
A) in rubber solutions, add white carbon black, coupling agent, oil, anti-aging agent, blending dispersion evenly injects cohesion in knockouts afterwards, then desolventizing drying obtains rubber masterbatch; B) rubber masterbatch is joined in Banbury mixer, add after vulcanizing agent and promotor mix and obtain the rubber unvulcanizate that tyre rim protects glue; C) rubber unvulcanizate tyre rim being protected glue carries out sulfuration under cure conditions, obtains the cross-linked rubber that tyre rim protects glue; Above-mentioned steps also comprises adding of additive, additive step a) and/or step b) in add; Additive comprises one or more of coupling agent, anti-aging agent, promoting agent and oil; Rubber in wherein said rubber solutions is natural rubber and polybutadiene rubber, at least one in polyisoprene rubber, styrene-butadiene rubber using.
Rubber solutions of the present invention is directly obtain from preparing solution polymerized rubber production line, or the dry glue of any type is dissolved preparation in the good solvent of this rubber.
When wherein preparing rubber solutions with dry glue, described dry glue is natural polymer or synthetic polymer, described natural polymer comprises at least one of natural gum, gutta-percha, guayule, described synthetic polymer is that monomer is polymerized gained in the solution, and monomer in emulsion, be polymerized gained or monomer body carries out polymerization gained.Wherein in rubber solutions, rubber consumption is 100 weight parts, and wherein the consumption of natural rubber is below 50 weight parts.
The step of preparation method of the present invention a) adopts the method for continuously producing of rubber rubber master batch, and the method specifically comprises the steps:
Step 1): filler being joined in rubber solutions, forming rubber/filler/solvent mixture by stirring;
Step 2): by step 1) in rubber/filler/solvent mixture send in knockouts, and contact with nitrogen, water, water vapour, filler water slurry and one or more fluid-phases in oil in knockouts and mix rear cohesion, obtain the mixture of rubber/filler compound and solvent;
Step 3): desolvation also carries out drying to described mixture, obtains rubber/filler master batch.Wherein optional recycling step 3) solvent that removes, recycle.In step 1) and/or step 2) in optional add one or more and be selected from but be not limited to coupling agent, anti-aging agent, promoting agent and/or oil additives.
Wherein, step 1) can be specially filler is joined in rubber solutions, form rubber/filler/solvent mixture by stirring, and to described rubber/filler/solvent mixture further finely divided and smart dispersion to improve the degree of scatter of filler in rubber solutions.
Described finely dividedly can to implement in the following way: the mixture of above-mentioned stirring gained is sprayed, to improve the dispersion of filler and/or additive when high pressure high-shear by a nozzle; And then make above-mentioned ejecta make mixed solution clash into the dispersiveness increasing filler and/or additive at Guan Zhongyu tube wall by swan neck more than; Or make ejecta convert shear-stress by the bore pipeline that repeatedly folding and unfolding changes and increase the dispersion of filler and/or additive.Pressure range used from 0.5MPa to 60MPa, preferred 10MPa to 40MPa.
Described finely divided rear formed mixture can also improve filler and/or the dispersion of additive in rubber solutions further by following essence dispersion:
I. by described finely divided after mixture add continuously in ball mill and/or colloidal mill and disperse, filler and/or additive are dispersed in rubber solutions uniformly;
Ii. by described finely divided after mixture join continuously in shredder and carry out grinding to make filler and/or additive be well dispersed in rubber solutions, this shredder has the plane mill of one or more groups high-speed rotation and to be fixed on shredder sleeve and the fixing pin alternate with plane mill or price fixing.
Iii. by described finely divided after mixture join in shredder continuously and grind, this shredder has two contrary blades of turning direction, described blade has pore chute, under high pressure can improve filler and/or the degree of scatter of additive in rubber solutions by the blade rotated.Pressure range used from 0.5MPa to 60MPa, preferred 10MPa to 40MPa.
Iv. by described finely divided after mixture join in multi-layer high-voltage slit dispersion machine continuously, mixture is under high pressure extruded from slit between two-layer, and the Strong shear power now produced can improve filler and/or the degree of scatter of additive in rubber solutions.Pressure range used from 0.5MPa to 60MPa, preferred 10MPa to 40MPa.
V. by described finely divided after mixture join continuously in power decentralized device and disperse, the rotor of the high speed rotating of described power decentralized device has many radially-arranged slits or hole, mixture with high-speed impact on stator surface to make filler and/or additive be evenly dispersed in rubber solutions.
Two or more use of can mutually connecting of above-mentioned five kinds of finely divided methods.
The solvent of rubber of the present invention is the good solvent of various rubber, solvent comprises at least one of aliphatic solvents, aromatic hydrocarbon solvent, chlorinated hydrocarbon solvent, ketones solvent, ether solvent and esters solvent, described aliphatic solvents comprises at least one of gasoline, naphthenic hydrocarbon, substituted ring alkane, normal alkane, described aromatic hydrocarbon solvent comprises benzene,toluene,xylene, cinnamic at least one, and described chlorinated hydrocarbon solvent comprises at least one of methylene dichloride, trichloromethane, tetracol phenixin, ethylene dichloride, chlorobenzene, zellon, toluene(mono)chloride.Rubber concentration range is in the solution 1 % by weight to 60 % by weight, preferably 5 % by weight to 40 % by weight, more preferably 10 % by weight to 30 % by weight.Described anti-aging agent comprise in amines antioxidants, quinoline type antioxidant, phenolic type antioxidant and protection wax one or more also use, amines antioxidants comprises Ursol D class, the preferred antioxidant 4020 of amines antioxidants, the preferred anti-aging agent RD of quinoline type antioxidant, the preferred antioxidant 264 of phenolic type antioxidant, the consumption of anti-aging agent is 0.2 to 11 weight part, preferably 1 to 9 weight part.Described promoting agent comprises zinc oxide, stearic at least one, and the consumption of promoting agent is 0.5 to 12 weight part, preferably 1 to 10 weight part.
Wherein step a) in the consumption of rubber be 100 weight parts, the consumption of white carbon black is 0 to 140 weight part, preferably 40 to 100 weight parts.The specific surface area of described white carbon black is 10 to 500m 2/ g, preferably 15 to 300m 2/ g, more preferably 30 to 250m2/g, the oil-absorption(number) of described white carbon black is 20 to 350ml/100g, preferably 25 to 300ml/100g, more preferably 30 to 290ml/100g.
Described vulcanizing agent comprises one or more and use in Sulfur, sulfur donor and superoxide, and the consumption of vulcanizing agent is 0.2 to 5 weight part, preferably 0.5 to 3 weight part.Described promotor comprise in thiazoles, sulfenamide, thiurams, Carbamates and hexichol guanidine acclerators one or more also use, wherein thiazole accelerator is as altax, sulphenamide accelerators is as accelerant CZ, accelerator NS, thiuram type accelerator is as TMTD, Carbamates promotor is as promotor PX, hexichol guanidine acclerators is as vulkacit D PG, and the consumption of promotor is 0.2 to 5 weight part, preferably 0.5 to 3 weight part.Described oil comprises the aromatic hydrocarbon oil of petroleum or at least one of naphthenic oil, and the consumption of oil is 0 to 50 weight part, preferably 0 to 20 weight part, more preferably 0 to 10 weight part.Described coupling agent comprise in two (triethoxy propyl silane) tetrasulfide and disulphide, 3-thiocyanogen propyl-triethoxysilane, γ-mercapto propyl-trimethoxysilane, zirconium ester coupling agent, titanate coupling agent and nitro coupling agent one or more also use.
Apply the preparation method that this kind of tyre rim protects glue, simplify the calendering process of sizing material, reduce the labour intensity of rubber compounding.Improve the dispersion of filler in sizing material simultaneously, improve the interaction of filler and polymkeric substance, thus improve the wear resisting property that tyre rim protects glue, reduce heat-dissipating and tension set, under large sstrain, stress at definite elongation has lifting simultaneously.From tire end properties aspect, improve safety performance and the endurance quality of tire.
Embodiment
Further describe the present invention by embodiment below, but scope of the present invention is not by the restriction of these embodiments.
(1) embodiment uses following plant and instrument and measuring method to measure:
Plant and instrument prepared by table 1 rubber sample
Sequence number Device name Specifications and models Manufacturer
1 Banbury mixer XSM-1/10-120 Shanghai Kechuang rubber and plastics machine equipment company limited
2 Mill 152.5*320 Zhanjiang Machine Factory, Guangdong Prov.
3 Vulcanizing press XLB-D600*600 Zhejiang Huzhou east Machinery Co., Ltd.
The testing method of table 2 properties of rubber and instrument
The testing method of table 3 tire end properties and equipment
(2) embodiment and comparative example
Raw material:
Natural rubber, SMR20; SENG HIN RUBBER (M) SDN BHD (Cheng Xing);
Cis-1,4-polybutadiene rubber, BR9000, Qilu Co., Ltd., China Petrochemical Corp;
White carbon black, Newsil HD115MP, Q & C Silicon Chemical Co., Ltd.;
Naphthenic oil, NAP, Linyi Tian Yuan Chemical Co., Ltd.;
Indirect process zinc oxide, Dalian zinc oxide factory;
Stearic acid, PF1808, Malaysian Li Cheng company limited;
Antioxidant 4020, Shang Shun chemical inc;
Antioxidant 264, Huangyan, Zhejiang East Zhejiang province rubber ingredients company limited;
Anti-aging agent RD, Nanjing Chemical Industry Co., Ltd., SINOPEC;
Protection wax, Paramelt Specialty Chemicals (Suzhou) Co., Ltd.;
Silane coupling agent Si69, NanJing Shuguang Chemical Group Co., Ltd.;
Accelerator NS, Shang Shun Chemical Co., Ltd.;
Vulkacit D PG, Shang Shun Chemical Co., Ltd.;
Insoluble sulfuy HD OT20, Flexsys Products;
Described in following examples and comparative example, number is weight part.
Comparative example 1
In Banbury mixer, by 65 parts of white carbon blacks, 5.2 parts of silane coupling agents join carry out in 40 parts of natural rubbers and 60 parts of cis-butadiene cements mixing, mixing certain hour, add 3 parts of naphthenic oils, 5 parts of zinc oxide, 3 parts of stearic acid, 1 part of protection wax, rubber unvulcanizate obtains one section of rubber master batch after parking 8 hours, join in Banbury mixer to 1 section of rubber master batch again, add 25 parts of white carbon blacks simultaneously, 2 parts of silane coupling agents, 2.5 parts of antioxidant 4020s, 1.5 parts of anti-aging agent RDs, 2 parts of antioxidant 264s are mixing, rubber unvulcanizate obtains 2 sections of rubber master batch after parking 8 hours, 2 sections of rubber master batch are joined in Banbury mixer and carries out back mixing one section, and 3 sections of rubber master batch are obtained for 8 hours to bin aging, again 3 sections of rubber master batch are joined in Banbury mixer, add 1 part of accelerator NS simultaneously, 2.5 parts of vulkacit D PG, mixing after 2.8 parts of insoluble sulfuy, rubber unvulcanizate to be parked after 8 hours with vulcanizing press under 165 DEG C of conditions after sulfuration to plateau cure, obtained dry pre-sulfiding glue 1.Protect glue rubber unvulcanizate 1 with dry method rim of the mouth and obtain tyres for passenger cars 195/60R14.
Embodiment 1
90 parts of white carbon blacks, 7.2 parts of silane coupling agents, 3 parts of naphthenic oils and 2 parts of antioxidant 264s are joined 60 parts of cis-butadiene cements with in the hexane solution of 40 parts of natural gums after mixing, inject cohesion in knockouts continuously, afterwards desolventizing drying obtains rubber master batch 1.
Rubber master batch 1 is joined Banbury mixer evenly after, add 5 parts of zinc oxide, 3 parts of stearic acid, 2.5 parts of antioxidant 4020s, 1.5 parts of anti-aging agent RDs, 1 part of protection wax, bottom sheet after mixing, add again after parking 8 hours Banbury mixer evenly after, after adding 1 part of accelerator NS, 2.5 parts of vulkacit D PG, 2.8 parts of insoluble sulfuy, cross roller bottom sheet after mixing, rubber unvulcanizate is parked after 8 hours and is used vulcanizing press under 165 DEG C of conditions after sulfuration to plateau cure, and obtained continous way prepares cross-linked rubber 1.Prepare rim of the mouth by continous way to protect glue rubber unvulcanizate 1 and obtain tyres for passenger cars 195/60R14.
Embodiment 2
90 parts of white carbon blacks, 7.2 parts of silane coupling agent Si69,3 parts of naphthenic oils, 5 parts of zinc oxide, 3 parts of stearic acid, 2 parts of antioxidant 264s, 2.5 parts of antioxidant 4020s, 1.5 parts of anti-aging agent RDs and 2 parts of protection waxes are joined 60 parts of cis-butadiene cements with in the hexane solution of 40 parts of natural gums after mixing, inject cohesion in knockouts continuously, afterwards desolventizing drying obtains rubber master batch 2.
Rubber master batch 2 is added Banbury mixer evenly after, after adding 1 part of accelerator NS, 2.5 parts of vulkacit D PG, 2.8 parts of insoluble sulfuy, cross roller bottom sheet after mixing, rubber unvulcanizate is parked after 8 hours and is used vulcanizing press under 165 DEG C of conditions after sulfuration to plateau cure, and obtained continous way prepares cross-linked rubber 2.Prepare rim of the mouth by continous way to protect glue rubber unvulcanizate 2 and obtain tyres for passenger cars 195/60R14.
Table 4 dry method and continous way prepare the test performance that glue cross-linked rubber is protected in rim of the mouth
(NR/BR/ white carbon black: 40/60/90 formula system)
Table 5 dry method and continous way prepare rim of the mouth protect glue rubber unvulcanizate prepare tyre performance test
(NR/BR/ white carbon black: 40/60/90 formula system)
Table 4 is for protecting physics and the dynamic property contrast table of glue in application continous way preparation technology and application dry preparation process gained tyres for passenger cars rim of the mouth, as can be seen from the table, under same recipe, after application continous way preparation technology, the degree of scatter of filler in rubber improves, the hardness of cross-linked rubber slightly reduces, tensile strength slightly promotes, stress at definite elongation under the especially high distortion of stress at definite elongation is higher, elasticity is higher, dynamic compression heat-dissipating reduces, and permanent set reduces, and especially Akron abrasion are better for wear resisting property.
Tyre performance contrast table prepared by the rubber unvulcanizate that table 5 protects glue for application continous way preparation technology and application dry preparation process gained tyres for passenger cars rim of the mouth, as can be seen from the table, under same recipe, tire prepared by application continous way preparation technology, under the prerequisite ensureing tire basic security performance, reduce the spoilage at tyre rim position, there is more excellent safety performance and endurance quality.

Claims (13)

1. the rubber masterbatch that prepared by continous way protects the application in glue in car tire rim of the mouth, it comprises following steps:
A) in rubber solutions, add white carbon black, coupling agent, oil, anti-aging agent, blending dispersion evenly injects cohesion in knockouts afterwards, then desolventizing drying obtains rubber masterbatch;
B) rubber masterbatch is joined in Banbury mixer, add after vulcanizing agent and promotor mix and obtain the rubber unvulcanizate that tyre rim protects glue;
C) rubber unvulcanizate tyre rim being protected glue carries out sulfuration under cure conditions, obtains the cross-linked rubber that tyre rim protects glue;
Above-mentioned steps also comprises adding of additive, additive step a) and/or step b) in add; Additive comprises one or more of coupling agent, anti-aging agent, promoting agent and oil; Rubber in wherein said rubber solutions is natural rubber and polybutadiene rubber, at least one in polyisoprene rubber, styrene-butadiene rubber using.
2. application according to claim 1, wherein said rubber solutions directly obtains from preparing solution polymerized rubber production line, or the dry glue of any type is dissolved in the good solvent of this rubber preparation and obtain.
3. application according to claim 2, when wherein preparing rubber solutions with dry glue, described dry glue is natural polymer or synthetic polymer, described natural polymer comprises at least one of natural gum, gutta-percha, guayule, described synthetic polymer is that monomer is polymerized gained in the solution, and monomer in emulsion, be polymerized gained or monomer body carries out polymerization gained.
4. application according to claim 2, wherein in rubber solutions, rubber consumption is 100 weight parts, and wherein the consumption of natural rubber is below 50 weight parts.
5. application according to claim 2, the solvent of wherein said rubber comprises at least one of aliphatic solvents, aromatic hydrocarbon solvent, chlorinated hydrocarbon solvent, ketones solvent, ether solvent and esters solvent, and described aliphatic solvents comprises at least one of gasoline, naphthenic hydrocarbon, substituted ring alkane, normal alkane; Described aromatic hydrocarbon solvent comprises benzene,toluene,xylene, cinnamic at least one, and described chlorinated hydrocarbon solvent comprises at least one of methylene dichloride, trichloromethane, tetracol phenixin, ethylene dichloride, chlorobenzene, zellon, toluene(mono)chloride; Rubber concentration range is in the solution 1 % by weight to 60 % by weight, preferably 5 % by weight to 40 % by weight, more preferably 10 % by weight to 30 % by weight.
6. application according to claim 1, wherein said anti-aging agent comprise in amines antioxidants, quinoline type antioxidant, phenolic type antioxidant and protection wax one or more also use, amines antioxidants comprises Ursol D class, and the consumption of anti-aging agent is 0.2 to 11 weight part, preferably 1 to 9 weight part.
7. application according to claim 1, wherein said promoting agent comprises zinc oxide and stearic at least one, and the consumption of promoting agent is 0.5 to 12 weight part, preferably 1 to 10 weight part.
8. application according to claim 1, wherein step a) in the consumption of rubber be 100 weight parts, the specific surface area of described white carbon black is 10 to 500m 2/ g, preferably 15 to 300m 2/ g, more preferably 30 to 250m 2/ g, the oil-absorption(number) of described white carbon black is 20 to 350ml/100g, preferably 25 to 300ml/100g, more preferably 30 to 290ml/100g.
9. application according to claim 1, wherein the consumption of white carbon black is 0 to 140 weight part, preferably 40 to 100 weight parts.
10. application according to claim 1, wherein said vulcanizing agent comprises one or more and use in Sulfur, sulfur donor and superoxide, and the consumption of vulcanizing agent is 0.2 to 5 weight part, preferably 0.5 to 3 weight part.
11. application according to claim 1, wherein said promotor comprise in thiazoles, sulfenamide, thiurams, Carbamates and hexichol guanidine acclerators one or more also use, the consumption of promotor is 0.2 to 5 weight part, preferably 0.5 to 3 weight part.
12. application according to claim 1, wherein said oil comprises the aromatic hydrocarbon oil of petroleum or at least one of naphthenic oil, and the consumption of oil is 0 to 50 weight part, preferably 0 to 20 weight part, more preferably 0 to 10 weight part.
13. application according to claim 1, wherein said coupling agent comprise in two (triethoxy propyl silane) tetrasulfide and disulphide, 3-thiocyanogen propyl-triethoxysilane, γ-mercapto propyl-trimethoxysilane, zirconium ester coupling agent, titanate coupling agent and nitro coupling agent one or more also use.
CN201410609748.1A 2014-11-03 2014-11-03 Application of continuously-prepared rubber masterbatch in bead rim cushion of car tire Pending CN104327327A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410609748.1A CN104327327A (en) 2014-11-03 2014-11-03 Application of continuously-prepared rubber masterbatch in bead rim cushion of car tire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410609748.1A CN104327327A (en) 2014-11-03 2014-11-03 Application of continuously-prepared rubber masterbatch in bead rim cushion of car tire

Publications (1)

Publication Number Publication Date
CN104327327A true CN104327327A (en) 2015-02-04

Family

ID=52402137

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410609748.1A Pending CN104327327A (en) 2014-11-03 2014-11-03 Application of continuously-prepared rubber masterbatch in bead rim cushion of car tire

Country Status (1)

Country Link
CN (1) CN104327327A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101450594A (en) * 2007-11-30 2009-06-10 昊华南方(桂林)橡胶有限责任公司 Tyre
CN103203810A (en) * 2013-01-10 2013-07-17 怡维怡材料研究院有限公司 Continuous manufacturing method for rubber masterbatch, rubber masterbatch prepared by using continuous manufacturing method and rubber product
CN103772760A (en) * 2014-01-23 2014-05-07 怡维怡橡胶研究院有限公司 Rubber composition taking natural rubber/carbon black and synthesized isoprene rubber/white carbon black as rubber master batch and preparation technique thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101450594A (en) * 2007-11-30 2009-06-10 昊华南方(桂林)橡胶有限责任公司 Tyre
CN103203810A (en) * 2013-01-10 2013-07-17 怡维怡材料研究院有限公司 Continuous manufacturing method for rubber masterbatch, rubber masterbatch prepared by using continuous manufacturing method and rubber product
CN103772760A (en) * 2014-01-23 2014-05-07 怡维怡橡胶研究院有限公司 Rubber composition taking natural rubber/carbon black and synthesized isoprene rubber/white carbon black as rubber master batch and preparation technique thereof

Similar Documents

Publication Publication Date Title
CN103203810B (en) Rubber masterbatch and rubber prepared by the method for continuously producing and the method for rubber masterbatch
CN104371122A (en) Application of continuously prepared rubber master batch in truck tire base
CN103419293B (en) Rubber masterbatch prepared by the method for continuously producing of rubber masterbatch and the method
CN104387599B (en) Application of continuously prepared rubber masterbatch to sidewall rubber of car tire
CN107814994B (en) Trans-butyl amyl rubber modified reclaimed rubber and preparation method and application thereof
CN103788388A (en) Method for improving elasticity and themogenesis performance of rubber product
CN102432927B (en) Butadiene styrene rubber composition with wear-resisting characteristic and preparation method thereof
BR112015024652B1 (en) PROCESS TO PRODUCE AN ELASTOMERIC COMPOSITION THAT CONTAINS A FILL
CN104387625B (en) Application of continuously-prepared rubber masterbatch in soft bead filler of truck tire
JP6193581B2 (en) Rubber composition for tire and pneumatic tire
CN104277255B (en) Application of rubber master batch prepared continuously in hard bead filler of truck tyre
CN104311929A (en) Application of continuously prepared rubber masterbatch in sedan tire tread rubber
JP2006193620A (en) Pneumatic tire
CN105086026B (en) A kind of cut resistant and the excellent tread rubber for engineering tire material of anti-wear performance
CN106554519B (en) Rubber composition for tire tread and its manufacturing method
CN104341686A (en) Application of continuously prepared rubber master batch to car tire inner liner rubber
CN104327315B (en) A kind of application of rubber masterbatch prepared by continuous way in car tire base rubber
CN104387628A (en) Application of continuously prepared rubber master batch in sidewall rubber of truck tires
CN104629125B (en) The application of rubber composition and vulcanized rubber and preparation method thereof and vulcanized rubber
CN104371123A (en) Application of continuously prepared rubber masterbatch in tread rubber of truck tire
CN104327316B (en) A kind of application of rubber masterbatch prepared by continuous way in steel cord adhesive glue
CN113004588B (en) Aircraft tire tread composition and preparation method thereof
CN104371120A (en) Application of continuously prepared rubber masterbatches in car tire belt compound
CN104341623A (en) Application of continuously prepared rubber master batch to winter tire tread rubber
CN103012882A (en) Rubber composition with low rolling resistance

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20150204

RJ01 Rejection of invention patent application after publication