CN101612867B - Composite component of meridian tyre cord fabric layer and air barrier and preparation technology - Google Patents
Composite component of meridian tyre cord fabric layer and air barrier and preparation technology Download PDFInfo
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- CN101612867B CN101612867B CN2009100900911A CN200910090091A CN101612867B CN 101612867 B CN101612867 B CN 101612867B CN 2009100900911 A CN2009100900911 A CN 2009100900911A CN 200910090091 A CN200910090091 A CN 200910090091A CN 101612867 B CN101612867 B CN 101612867B
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Abstract
The invention discloses a composite component of meridian tyre cord fabric layer and air barrier and a preparation technology. Base material rubber, an aging-proof system, a reinforcing system, a vulcanization system and a radiosensitizer are mixed at a ratio to form a mixture; the rubber mixture is mixed to smelt in an internal mixer to be prepared into a tyre body cord fabric layer component and a lining air barrier component respectively according to the production technology of the tyre body cord fabric layer and the lining air barrier component; then the tyre body cord fabric layer component and the lining air barrier component are compounded into an integral composite component on a compound machine; an electron accelcrator is used for radiating the composite component; under the condition of limited-oxygen radiation, radiation prevulcanization is carried on the composite component of the tyre cord fabric layer and the lining air barrier. The composite component of the tyre cord fabric layer and the air barrier, which is radiated by the invention, has high Green strength, stable structure size and performance, saves raw material, has small radiation dose and high production efficiency and is favourable for environment protection.
Description
Affiliated technical field
The present invention relates to rubber tire manufacturing technology field, be specifically related to a meridian line tyre carcass plies and air-retaining liner composite component and preparation technology.
Technical background
Tire is to be combined through the sulfuration typing by a plurality of parts that are main base material with elastomeric material, and meridianization, inner tube freeization are the development tendencys of tire.In traditional tire preparation process, require each component materials of tire not have distortion, must keep accurate shape and size.Casingply because deformation can take place the course of processing, the skew or the distortion of cord occur in processing, transportation, moulding and final sulfuration typing.For fear of the displacement of cord and the deformation of carcass plies, conventional solution is the glue amount of covering that increases carcass plies, and the thickness that this certainly will increase raw MAT'L consumption and these parts causes the stability of tire quality and safety in utilization to be subjected to direct influence.Equally in tire production, inside liner is in company with the whole piece tire needs high pressure first cure that puts on the air, for displacement and the distortion that reduces material causes uneven distribution, the final performance that influences product, usually also be to adopt the way that increases bondline thickness in making, have bigger initial strength to give film, realize that the glue-line thin and thick is evenly smooth, play the effect of pressurize blanketing gas.Like this, not only use too much sizing material, influenced the quality and the in-use performance of product again.How to improve Green's intensity of inner lining air barrier rubber, the homogeneity and the stability of structure of glue-line during assurance later stage tire machine-shaping, reduce the negative effect influence, reduce bondline thickness, save raw MAT'L, reaching the purpose that improves the tire quality, is the problem that current urgent need is is in the art researched and solved.
Summary of the invention:
The purpose of this invention is to provide a kind of rubber Green intensity height, molding structure size and stable performance, bondline thickness attenuate, bond strength height through radiation treatment, to promote meridian tyre body curtain cloth layer and the inner lining air barrier composite component and the preparation technology of tire quality.
In order to achieve the above object, the present invention is by the following technical solutions: a meridian line tyre carcass plies and air-retaining liner composite component and preparation technology, its characteristics: the base material of composite component is to be made of rubber substrate, preventing aging system, reinforcement system, vulcanizing system and radiation crosslinking sensitizer combined group resulting mixture, and each component concentration is:
Rubber: 100 parts
Reinforcing and filling system: 30-120 part
Preventing aging system: 1-10 part
Vulcanizing system: 1-17 part
Radiation crosslinking sensitizer: 1-20 part
Wherein: the rubber that casingply uses is natural rubber or natural rubber and elastomeric blend; The rubber that air-retaining liner uses comprises the blend of halogenated butyl rubber or halogenated butyl rubber and natural rubber; The rubber phase that rubber that cambic horizon on the air-retaining liner uses and casingply use together; Above-mentioned each amounts of components unit is in mass parts;
It is to adopt Banbury mixer to carry out 100 parts of rubber substrates, reinforcement system 30-120 part, vulcanizing system 1-17 part and radiation sensitizer 1-20 part etc. mixing earlier by above-mentioned prescription that the tire composite component prepares forming process, the melting temperature scope is 40-100 ℃, mixing time is 20-40 minute, with the mixing even back of glue binder removal; Park after 8-12 hour and in mill, add vulcanizing system, finish the elastomeric compound preparation; Carry out cord expansion, calendering and deposited glue according to meridian tyre body curtain cloth layer production technology again, making thickness is the casingply sheet material of 0.9-1.1mm normal width; Roll deposited glue according to radial-ply tyre inner lining air barrier production technology, the air-retaining liner sheet material and the compound calendering of intermediate layer sheet material of making by two plastic squeeze rollers, making thickness is the inner lining air barrier sheet material of 1.0-1.2mm normal width, then with the inner lining air barrier sheet material with make the casingply sheet material that cuts and carry out compound, compound tense, cambic horizon and casingply on the inner lining air barrier sheet material fit tightly, through the compound calendering of tri-roll press machine, be prepared into casingply and inner lining air barrier composite component; The permanent tension force traction that composite component is fixed under the electron accelerator is restrainted on the following transmitting device, carry out the radiation pretreatment; Electron accelerator beam energy during radiation treatment is 0.3-2MeV, beam intensity is 0.2-100mA, electron beam scanning width 0.5-1.0 rice, control casingply sheet material irradiation absorbed dose is 10-80kGy, inner lining air barrier sheet material irradiation absorbed dose is 5-40kGy; Bundle lower device speed of transmission is 10-40m/min, and the irradiation atmosphere oxygen environment that exceeds adopts inert gas shielding, thereby finishes the preparation of radial-ply tyre carcass plies and air-retaining liner composite component.
Above-mentioned described neoprene comprises buna-S, butyl rubber, halogenated butyl rubber, poly-chloroprene rubber, butadiene rubber or EP rubbers.
Above-mentioned described reinforcing and filling system is a carbon black, and kind of carbon black comprises general purpose furnace black N660 and fast extruding furnace black N550, and low structure fast extruding furnace black N539 or high wearable N330.
Above-mentioned described preventing aging system is a reaction product of acetone and amine, comprises 2,2,4-trimethyl-1,2-dihyaroquinoline polymer or 6-ethyoxyl-2,2,4-trimethyl-1,2-dihyaroquinoline.
Above-mentioned described vulcanizing system comprises sulphur, vulcanization accelerator and vulcanizing activator; Vulcanizing activator is zinc oxide or stearic acid, vulcanization accelerator is a sulfenamide type accelerators, comprises the N-tert-butyl group-2-[4-morpholinodithio base sulfenamide, uncle's N-octyl group-2-[4-morpholinodithio base sulfenamide, N-cyclohexyl-2-[4-morpholinodithio base sulfenamide, N-dicyclohexyl-2-[4-morpholinodithio base sulfenamide; Total consumption of sulfur sulfide system is 1-17 part, vulcanization accelerator 1-4 part wherein, vulcanization activator 5-9 part, Sulfur 1-4 part.
Above-mentioned described radiation crosslinking sensitizer is two functional group's crosslinking coagents, comprises neopentyl glycol double methacrylate, tripropylene glycol double methacrylate, ethoxylated neopentylglycol double methacrylate or carbowax double methacrylate.
Radiation pretreatment casingply of the present invention and inner lining air barrier composite component and preparation technology's principle is: casingply and inner lining air barrier sheet material are carried out compound preparation earlier in preparation process, through the compound calendering of tri-roll press machine, catch up with the exhaust body, guarantee smooth, the energy that sends by the electron accelerator line radiation that elastomeric material is carried out again, appropriate design control ray penetrating capacity and absorbed dose carry out the presulfurization of composite component to be handled, to simplify production technology, enhance productivity, simultaneously, reduce the harmful effect of the side reaction generation that causes by radiation.The high-energy ray particle activates rubber macromolecule by the irradiation rubber substrate, produces living radical, mutually combining between these free radicals (coupling termination), make rubber macromolecule formation-C-C-key, take place crosslinked, with rubber macromolecule in conjunction with forming a space network.Because need not to add any auxiliary agent in this process just can realize the crosslinked of part rubber macromolecule; therefore can reduce the consumption of sulphur and accelerator, make elastomeric material reach equal cure efficiency, the reduction of vulcanizing system; can reduce pollution on the environment, be beneficial to environmental protection.Adopt the radiation pre-curing technology, realize the presulfurization of meridian tyre body curtain cloth layer and inner lining air barrier composite component sizing material, give material certain initial performance, can significantly improve Green's intensity of meridian tyre body curtain cloth layer and inner lining air barrier composite component rubber, reduce tire the flowing of casingply and inner lining air barrier composite sheet when moulding, reduce displacement and the distortion in moulding is made of tyre body curtain cloth layer and inner lining air barrier composite component sizing material, improve tyre body curtain cloth layer and the stability of inner lining air barrier composite component scantling of structure and the homogeneity of thickness.By to tyre body curtain cloth layer and inner lining air barrier composite component radiation pretreatment, can reduce the inner lining air barrier design thickness, reduce raw-material use, cost-cutting improves product quality simultaneously; By adding radiation crosslinking sensitizer, when satisfying raising film Green intensity, can reduce irradiation dose, save accelerator energy, enhance productivity; Reduce the vulcanizing system consumption, reduce adding pollution on the environment, be beneficial to environmental protection because of vulcanizing system.Radiation presulfurization of the present invention can realize by the electron ray that electron accelerator produces, and can be by adjusting the electron accelerator beam energy, make it that cross-linking reaction in various degree take place on depth of material, because rule according to attenuation, the absorbed dose of inner lining air barrier can not independent adjustment, the absorbed dose of inner lining air barrier and the absorbed dose of casingply are closely related, can adjust the absorbed dose of casingply and inner lining air barrier by adjusting the electron accelerator beam intensity, characteristics of composite component are exactly the irradiation casingply, and inner lining air barrier absorbed dose or absorbed dose can be very low hardly, thereby realize material surface radiation vulanization or homogeneous radiation fluidisation.The carrying out of electron accelerator irradiation process of the present invention can be got glue realization off-line irradiation from manufacturing line by building accelerator installation outward, also can increase the low energy electrons accelerator installation on the tire production line and realize continuous online irradiation.
The present invention can reach following effect: behind tyre body curtain cloth layer and inner lining air barrier composite component radiation treatment 10-80kGy dosage, can the state of cure (vulcanization) of accuracy control rubber sheet on a certain orientation for tyre body curtain cloth layer and the presulfurization of inner lining air barrier composite component irradiation, reduce radiation-induced ill effect, improve elastomeric material surface Green's intensity, Green's intensity ratio of rubber not irradiation has increased 20%-300%, rubber sheet is tentatively finalized the design, reduce the generation of material deformation or mobile phenomenon, guaranteed product technology, the stability of structure and performance, simultaneously inner lining air barrier thickness can reduce 60% of radiation treatment not, saves raw MAT'L.
Owing to adopted the optimization formula and the radiation pre-vulcanization process of above-mentioned meridian tyre body curtain cloth layer and inner lining air barrier composite component composite; make tyre element composite Green intensity height of the present invention, scantling of structure and stable performance, bond strength improve, reduce component thickness, save raw MAT'L, irradiation dose is little; enhance productivity; reduce the vulcanizing system consumption; be beneficial to environmental protection; can effectively improve the tire quality, reach purpose of the present invention.
The specific embodiment:
Below in conjunction with specific embodiment the present invention is described in further detail:
Embodiment 1:
Meridian tyre body curtain cloth layer base material rubber compounding: natural rubber 80, buna-S 20, carbon black (N330) 50, zinc oxide 5, stearic acid 1.5, aging inhibitor (D) 2, alkyl phenolic resin (Koresin) 3, sulphur 3, accelerator (DM) 1.5.
Radial-ply tyre inner lining air barrier base material rubber compounding: halogenated butyl rubber 80, natural rubber 20, carbon black (660) 80, stearic acid 3, zinc oxide 4, aging inhibitor (RD) 1.5, sulphur 1.2, accelerator (NOBS) 1.5.
Meridian tyre body curtain cloth layer and inner lining air barrier intermediate layer rubber compounding: natural rubber 80, buna-S 20, carbon black (550) 70, zinc oxide 6, stearic acid 2, aging inhibitor (AW) 2, sulphur 2, accelerator (NS) 1.5.
It is mixing to adopt Banbury mixer that rubber substrate, preventing aging system, reinforcement system, vulcanizing system etc. are carried out by above-mentioned prescription, and melting temperature is controlled at 70 ℃, and mixing time is 25 minutes, with glue mixing evenly after, binder removal; Park after 10 hours and in mill, add vulcanizing system, finish the elastomeric compound preparation.Carry out cord expansion, calendering and deposited glue according to meridian tyre body curtain cloth layer production technology, making thickness is 1.0mm, and width is the casingply sheet material of 420mm; Roll deposited glue according to radial-ply tyre inner lining air barrier production technology, the inner lining air barrier substrate sheet and the compound again calendering of intermediate layer sheet material of making by two plastic squeeze rollers, make the inner lining air barrier sheet material of standard length and width, its thickness is 1.0mm, carry out compoundly with the casingply sheet material for preparing then, make casingply and inner lining air barrier composite component; The permanent tension force traction that composite part is fixed under the electron accelerator is restrainted on the following transmitting device, carry out radiation treatment.The electron accelerator energy is 0.5MeV, and beam intensity is 10mA, and electron beam scanning width 800mm, inner lining air barrier sheet material irradiation absorbed dose select 20kGy, and bundle lower device speed of transmission is 25m/min, and the irradiation atmosphere oxygen environment that exceeds is protected with nitrogen; Electron accelerator irradiation adopts an electron accelerator single face irradiation, finishes the preparation of meridian tyre body curtain cloth layer and air-retaining liner composite component.
The present invention is in the irradiation process, the temperature traverse of inner lining air barrier component is little, in the radiation dose scope, rubber sheet Green intensity more not irradiation greater than 200%, inner lining air barrier autohension and better with other parts ply adhesion maintenance, film thickness is reduced to 1.0mm by original 1.6mm, save 0.5 kilogram of raw MAT'L, film can reduce casingply and the inner lining air barrier component distortion in process of production or the generation of displacement phenomenon by actv. through radiation treatment, product structure size and stable performance, improved the quality of tire, radiation pre-vulcanization process speed is fast, and product curability and sulfuration typing back mechanical characteristics are had no adverse effects.
Embodiment 2:
Meridian tyre body curtain cloth layer unit construction composition formula: natural rubber 80, buna-S 20, carbon black (N330) 50, zinc oxide 5, stearic acid 1.5, aging inhibitor (D) 2, alkyl phenolic resin (Koresin) 3, sulphur 2.7, accelerator (DM) 1.3, radiation sensitizer 2.0.
Radial-ply tyre inner lining air barrier component base material rubber compounding: halogenated butyl rubber 90, natural rubber 10, carbon black (660) 80, stearic acid 4, zinc oxide 3, aging inhibitor (RD) 2, sulphur 0.8, accelerator (NOBS) 1.2, radiation sensitizer 1.0.
Meridian tyre body curtain cloth layer and inner lining air barrier intermediate layer rubber compounding: natural rubber 90, butadiene rubber 10, carbon black (550) 70, zinc oxide 6, stearic acid 2, aging inhibitor (AW) 2, sulphur 1.8, accelerator (NS) 1.3, radiation sensitizer 1.5.
Its elastomeric material calendering process, casingply and inner lining air barrier composite component calendering preparation technology, radiation pretreating process are with embodiment 1.
In embodiment 2, be by the vulcanizing system of casingply and inner lining air barrier composite is adjusted, behind the radiation pretreatment, through detecting, proof adopts the radiation preconditioning technique that casingply and inner lining air barrier component are implemented presulfurization, decapacitation obviously improves outside the quality of product, can also effectively reduce the consumption of vulcanizing system, to not influence of mechanical properties of vulcanizate.
Claims (6)
1. the preparation technology of a meridian line tyre carcass plies and air-retaining liner composite component, glue and compound calendering are applied in mixing, the calendering that comprise casingply and air-retaining liner base material, it is characterized in that: the base material of composite component is to be made of rubber substrate, preventing aging system, reinforcement system, vulcanizing system and radiation crosslinking sensitizer combined group resulting mixture, and each component concentration is:
Rubber: 100 parts
Reinforcement system: 30-120 part
Preventing aging system: 1-10 part
Vulcanizing system: 1-17 part
Radiation crosslinking sensitizer: 1-20 part
Wherein: the rubber that casingply uses is natural rubber or natural rubber and elastomeric blend; The rubber that air-retaining liner uses comprises the blend of halogenated butyl rubber or halogenated butyl rubber and natural rubber; The rubber phase that rubber that cambic horizon on the air-retaining liner uses and casingply use together; Above-mentioned each amounts of components unit is in mass parts;
It is mixing to adopt Banbury mixer to carry out by above-mentioned prescription, and the melting temperature scope is 40-100 ℃, and mixing time is 20-40 minute, with the mixing even back of glue binder removal; Park after 812 hours and in mill, add vulcanizing system, finish the elastomeric compound preparation; Carry out cord expansion, calendering and deposited glue according to meridian tyre body curtain cloth layer production technology again, making thickness is the casingply sheet material of 0.9-1.1mm normal width; Roll deposited glue according to radial-ply tyre inner lining air barrier production technology, the air-retaining liner sheet material and the compound calendering of intermediate layer sheet material of making by two plastic squeeze rollers, making thickness is the inner lining air barrier sheet material of 1.0-1.2mm normal width, then with the inner lining air barrier sheet material with make the casingply sheet material that cuts and carry out compound, compound tense, cambic horizon and casingply on the inner lining air barrier sheet material fit tightly, through the compound calendering of tri-roll press machine, be prepared into casingply and inner lining air barrier composite component; The permanent tension force traction that composite component is fixed under the electron accelerator is restrainted on the following transmitting device, carry out the radiation pretreatment; Electron accelerator beam energy during radiation treatment is 0.3-2MeV, beam intensity is 0.2-100mA, electron beam scanning width 0.5-1.0 rice, control casingply sheet material irradiation absorbed dose is 10-80kGy, inner lining air barrier sheet material irradiation absorbed dose is 5-40kGy; Bundle lower device speed of transmission is 10-40m/min, and the irradiation atmosphere oxygen environment that exceeds adopts inert gas shielding, thereby finishes the preparation of radial-ply tyre carcass plies and air-retaining liner composite component.
2. according to the preparation technology of described fabric body of tire of claim 1 and air-retaining liner composite component, it is characterized in that: described neoprene comprises buna-S, butyl rubber, halogenated butyl rubber, poly-chloroprene rubber, butadiene rubber or EP rubbers.
3. the preparation technology of fabric body of tire according to claim 1 and air-retaining liner composite component, it is characterized in that: described reinforcing and filling system is a carbon black, kind of carbon black comprises general purpose furnace black N660 and fast extruding furnace black N550, and low structure fast extruding furnace black N539 or high wearable N330.
4. the preparation technology of fabric body of tire according to claim 1 and air-retaining liner composite component, it is characterized in that: described preventing aging system is a reaction product of acetone and amine, comprise 2,2,4-trimethyl-1,2-dihyaroquinoline polymer, 6-ethyoxyl-2,2,4-trimethyl-1 or 2-dihyaroquinoline.
5. the preparation technology of fabric body of tire according to claim 1 and air-retaining liner composite component is characterized in that: described vulcanizing system comprises sulphur, vulcanization accelerator and vulcanizing activator; Vulcanizing activator is zinc oxide or stearic acid, vulcanization accelerator is a sulfenamide type accelerators, comprises the N-tert-butyl group-2-[4-morpholinodithio base sulfenamide, uncle's N-octyl group-2-[4-morpholinodithio base sulfenamide, N-cyclohexyl-2-[4-morpholinodithio base sulfenamide or N-dicyclohexyl-2-[4-morpholinodithio base sulfenamide; Total consumption of sulfur sulfide system is 1-17 part, vulcanization accelerator 1-4 part wherein, vulcanization activator 5-9 part, Sulfur 1-4 part.
6. the preparation technology of fabric body of tire according to claim 1 and air-retaining liner composite component, it is characterized in that: described radiation crosslinking sensitizer is two functional group's crosslinking coagents, comprises neopentyl glycol double methacrylate, tripropylene glycol double methacrylate, ethoxylated neopentylglycol double methacrylate or carbowax double methacrylate.
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| CN101759892B (en) * | 2010-03-08 | 2011-08-17 | 双钱集团（如皋）轮胎有限公司 | Agricultural tire added with Kelai octyl resin |
| CN102850610A (en) * | 2011-06-30 | 2013-01-02 | 风神轮胎股份有限公司 | All-steel radial truck tire air-tight layer and its preparation method |
| CN102604243A (en) * | 2012-01-13 | 2012-07-25 | 河南省科学院同位素研究所有限责任公司 | Radial truck tire air-tight layer component and preparation process thereof |
| CN102673055A (en) * | 2012-04-27 | 2012-09-19 | 北京市射线应用研究中心 | Thinned lining airtight layer component for radial tire |
| CN103435858B (en) * | 2013-08-09 | 2015-04-01 | 山东永泰化工有限公司 | Tyre inner liner rubber and preparation method thereof |
| CN104987552A (en) * | 2015-07-24 | 2015-10-21 | 山东玲珑轮胎股份有限公司 | Semi-steel transition layer sizing material and preparation method thereof |
| CN105315606A (en) * | 2015-09-23 | 2016-02-10 | 苏州国泰科技发展有限公司 | Method for preparing vulcanizing agent applied to automobile tire |
| CN106867001A (en) * | 2015-12-14 | 2017-06-20 | 北京橡胶工业研究设计院 | A kind of new method being crosslinked to tire air-tight layer rubber material with laser technology |
| CN106147049A (en) * | 2016-08-04 | 2016-11-23 | 安徽龙川橡塑科技有限公司 | A kind of pressure pot rubber liner and preparation method thereof |
| CN109130710B (en) * | 2018-08-17 | 2021-01-01 | 安徽佳通乘用子午线轮胎有限公司 | Pneumatic tire with anti-perforation performance and internally attached sealant layer and manufacturing method thereof |
| CN110117386A (en) * | 2019-05-08 | 2019-08-13 | 江苏通用科技股份有限公司 | All-steel load-bearing radial tire carcass glue and preparation method thereof |
| CN112552558A (en) * | 2020-12-04 | 2021-03-26 | 中国化工集团曙光橡胶工业研究设计院有限公司 | Cord fabric skim of bias aircraft tire and preparation method thereof |
| CN115322416B (en) * | 2022-08-16 | 2023-09-22 | 江苏国立化工科技有限公司 | Process and device for modifying polyester cord and rubber adhesive |
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Address after: 100012 Beijing city Chaoyang District Dayangfang Beiyuan Road No. 10 Beike building B block 1009 Patentee after: Beijing Ray Application Research Center Co.,Ltd. Address before: 100012 Beijing city Chaoyang District Dayangfang Beiyuan Road No. 10 Beike building B block 1009 Patentee before: BEIJING RADIATION APPLICATION RESEARCH CENTER |