CN102746543A - Environment-friendly rubber inner tube and method for producing same - Google Patents
Environment-friendly rubber inner tube and method for producing same Download PDFInfo
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- CN102746543A CN102746543A CN201210237320XA CN201210237320A CN102746543A CN 102746543 A CN102746543 A CN 102746543A CN 201210237320X A CN201210237320X A CN 201210237320XA CN 201210237320 A CN201210237320 A CN 201210237320A CN 102746543 A CN102746543 A CN 102746543A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses an environment-friendly rubber inner tube and a method for producing the same, belongs to rubber inner tubes, and in particular relates to a novel rubber inner tube which is characterized by a raw material formula and a method for producing the novel rubber inner tube. The environment-friendly rubber inner tube is characterized in that the environment-friendly rubber inner tube is produced by plastifying, mixing, sulfuring, extruding, forming and vulcanizing the following raw materials: standard rubber No.1, butylbenzene-1502, nano-calcium, white carbon black, titanium dioxide, 909 assistant, anti-yellowing agent, KM (resin), 2246, RE, DM (resin), accelerator (CZ), stearic acid, lead-free zinc oxide, 80 resin, Vaseline, microcrystalline wax, ultramarine blue and S. The invention has the beneficial effects that the formula of the novel environment-friendly rubber inner tube and the method for producing the same are disclosed, through adopting the method for producing the rubber inner tube, not only is the produced product reaches the environment protection requirement, but also pollution which is produced during the production process is relieved and eradicated, so the method has good economic and environmental benefits.
Description
Technical field
The invention belongs to rubber tyre, particularly a composition of raw materials is the new type rubber inner tube of a tyre and the preparation method of characteristic.
Background technology
Environmental protection level rubber product Formula Design mainly is to lay particular emphasis on to select nontoxic industrial chemicals and pure natural raw material for use both at home and abroad at present; Or high temperature resistant Undec inorganic raw material; Also can not produce pollution to human body or atmosphere even participate in degradation production that chemical reaction produces, but inevitably will produce some curing fumes in the vulcanization of rubber at present, wherein staple is hydrogen sulfide, sulfur dioxide gas; And the degradation production of protein sugar when high temperature of low-volatile in the natural gum
Summary of the invention
The prescription that the purpose of this invention is to provide a kind of environment-friendly rubber inner tube of a tyre, another object of the present invention provide the preparation method of this environment-friendly rubber inner tube of a tyre.
Technical scheme of the present invention is that a kind of environment-friendly rubber inner tube of a tyre is characterized in that: be by following raw material through plasticate, mixing, add sulphur, extrude, product that moulding, sulfuration process are processed,
Each raw materials in part by weight ratio is: 1# marks glue 80, butylbenzene-150220, Namigai 40, WHITE CARBON BLACK 15, white titanium pigment 10,909 auxiliary agents 5, anti-yellow agent 0.5; KM5,22460.5, RE1, DM0.8, CZ1.2, Triple Pressed Stearic Acid 1.5, lead-free zinc oxide 5; 80 resins 3, Vaseline 5, Microcrystalline Wax 1, ultramarine 0.1, S2
Described KM is the verivate of Weibull and lipid acid; RE is natural gum and the universal anti-aging agent of synthetical glue, and DM is a dibenzothiazole disulfide, and CZ is N-cyclohexyl-2-[4-morpholinodithio sulphenamide; 2246 be 2.2 '-methylene-bis (4-methyl-6-t-butyl phenol), 909 is to benzene=formate.
The preparation method of the environment-friendly rubber inner tube of a tyre is characterized in that: mainly comprise the steps:
A. the batching: take by weighing each raw material according to described ratio of weight and number, store classifiedly subsequent use,
B. plasticate: natural gum is added Banbury mixer, 165 ± 5 ℃ of controlled temperature, blast 0.7 ± 0.1Mpa, hydraulic pressure 0.3 ± 0.1MPa, mixing time 8 ± 1 minutes, cooling is parked and is supplied mixing use, plasticity number technology controlling and process standard more than 4 hours; 0.50-0.56.
C. mixing:
A. melting temperature is controlled at 80-140 ℃, blast 0.5 ± 0.1MPa, hydraulic pressure 0.3 ± 0.1MPa;
B. after adding broken-(down)rubber, the floating weight that falls 2-3 minute in addition makes broken-(down)rubber, and butadiene-styrene rubber reaches the setting technological temperature;
C. add KM, 909 back pressurizations 0.5 minute;
D. add altax, CZ, promoting agent zinc oxide, Triple Pressed Stearic Acid, antioxidant 2246, RE, Microcrystalline Wax, anti-yellow agent, tackifier 80 resins, tinting material ultramarine, white titanium pigment pressurizeed 1 minute;
E. add strengthening agent WHITE CARBON BLACK, weighting agent Namigai, the pressurization of tenderizer Vaseline 2.5 minutes;
F. carry floating weight, discharge 0.5 minute;
G. mill replenishes mixing: disposable being added in the mill of sizing material that will discharge in the Banbury mixer, and adjustment roll spacing is 2-3mm, sizing material is carried out rule dispel the heat 6 times in mill; Make the sizing material temperature drop to 80-90 degree centigrade; Glue is filtered in pitch cutting then, after every 25 kilograms of meterings, parks for use;
D. add sulphur: use equipment: the XK-450 mill, the roller temperature: 55 ± 5 ℃ of preliminary rollers, 60 ± 5 ℃ on back roller, the glue temperature is less than 100 ℃, 50 kilograms of capacity.
E. extrude: use φ 115 forcing machines, body temperature 30-40 ℃, 65 ± 5 ℃ of head temperatures, 95 ± 5 ℃ of shape of the mouth as one speaks temperature, filter screen: 8 orders, 20 orders, each one deck of 60 orders, the sizing material temperature is controlled at 70-80 ℃ when slightly refining, and the sizing material temperature is controlled at 80-90 ℃ during refining;
F. dotting punch by chew, moulding:
G. sulfuration: 178 ± 2 ℃ of vulcanizing mold temperature, curing time 140 ± 10s presses 0.80 ± 0.05MPa in the sulfuration;
H. test package.
Optimized the prescription of correlation function raw material among the present invention: adopt 1# standard glue and butylbenzene-1502 paralled system,, increase products air tightness, usage ratio: (70-90) to improve use characteristics:: (30-10) part.
Vulcanization system: it is 1.8-2.5 part that vulcanizing agent adopts the sulphur proportioning, and the altax ratio is 0.5-1.5 part, and the CZ ratio is 1-2 part.
Reinforcing and filling system: adopt resistance to air loss good, the WHITE CARBON BLACK (SiO that reinforcement property is good
2), being equipped with multi-functional dispersing auxiliary 909 and Namigai, its proportioning is respectively: the proportioning of WHITE CARBON BLACK is 10-15 part, multifunctional assistant 909 proportionings are 5-10 part; The proportioning of Namigai is 20-45 part.
The softening system of operation: select for use industrial vaseline as tenderizer, 80 resins are as tackifier.
Preventing aging system: require anti-aging agent to select nontoxic phenolic antioxidant 2246, RE, physical antioxidant Microcrystalline Wax for use according to the environment-friendly rubber goods, and anti-xanthochromia agent.
The purification environmental-protection system: in recent years, many countries are to seven kinds of auxiliary agents (DBP, BBP of phthalate in the toy product of children's contact; DEHP, DNOP, DIDP; DINP, content requirement DnHP) is not higher than 0.1ppm, and plumbous content also will be lower than 100ppm; The core technology of patent of the present invention is to remove the poisonous and hazardous material that produces in tree elastomer, shoddy and the rubber item industry production process, and its objectionable constituent majority is hydrogen sulfide, sulfur dioxide gas, organic amine and benzene pollutant, preferred domestic and international latest model environment-friendly rubber modified additive KM in production formula; Anti-yellow agent, RE, 909 etc., wherein, KM is a kind of novelty Green Product; Nonpoisonous and tasteless, be accredited as " actual nontoxic, harmless " through skin animal (small white mouse) through medicine inspecting institute is acute; It mainly acts on: a. improves various natural gums, and the tensile strength of synthetical glue and shoddy and tensile yield have reinforcing property preferably.B. in shoddy, using has tangible deodorizing to brighten function, significantly improves the visual appearance of rubber item.C. in the Rubber processing process, can at high temperature decompose the hazardous and noxious substances in the rubber, remove hydrogen sulfide and sulfur dioxide gas in the work in-process, the mechanism that reacts is through chemical reaction and absorption, and resolving harmful gas is emitted ozone and oxygen.Making the discharging of amine and benzene pollutant is zero; Purification rate reaches 100%, and the efflux wastewater each item index after the processing all is up to state standards, and is harmless; Reusable edible; Realize the really sanitation and hygiene of ability, make foul smell and poison gas reach innoxious emission standard, from the initial manufacture process, administered and polluted the root that produces.
Characteristics of the present invention are 1, optimize scientific formula: traditional environmental protection formulae mentality of designing is to select free of contamination material for use; Promptly using not contain has pungency, carinogenicity or atmospheric environment is had the chemical raw material of pollution human body, but the generation and the diffusion of pollutents such as the hydrogen sulfide that these measures produce when fundamentally can't resolve the complicated physicochemical change of the ten minutes that takes place in the Rubber processing process, sulfur dioxide gas, organic amine, benzene class.The present invention is in order fundamentally to solve the rubber pollution problem, and preferred German novel environment friendly modified rubber auxiliary agent KM and high-efficiency multi-function auxiliary agent 909 and domestic a series of high quality raw material have carried out optimizing and cooperate.
2. improved calendering process: through improving complete processing; Make KM, 909 and slip into broken-(down)rubber in advance; At first contact with remaining objectionable impuritiess such as protein in natural gum, the synthetical glue course of processing; And adsorb, chemical combination, reach progressively the purpose that absorbs, the synergistic effect of auxiliary agents such as maximized performance KM, 909,2246, RE, anti-yellow agent at last.Wherein High-Efficient Organic dispersion agent 909 complements each other with other various materials, has both improved the effect of materials such as KM, has reduced the consumption of KM and other various materials again; Embodied science, efficient, economy; More improve the consistency with other rubber ingredients, produced best affine synergistic effect.
Invention mechanism is: at first be to let 909 to assist to hide down in the natural gum of KM after the processing of plasticating; Then along with the adding of various functional agents and the generation of physical-chemical reaction; KM absorbs, neutralizes, decomposes the pollutents such as hydrogen sulfide, sulfurous gas, amine and phenol that produce the Rubber processing process through chemical reaction, seizure in the rubber rubber master batch, discharges ozone and oxygen, makes foul smell and poison gas reach innoxious emission standard; The discharging of pollutent is zero in the rubber processing thereby reached; Making pollutent in the rubber item remaining is zero, and purification rate reaches 100%, has administered from the source and has polluted the root that produces.
The key technical indexes that this product reaches
| Project | End properties: | GB/T1703-2008 |
| Casing tensile strength/MPa | 17.2 | - |
| Elongation/% | 440 | - |
| 300% stretches/MPa surely | 6.5 | - |
| Joint tensile strength/MPa | 9.5 | ≥6.0 |
| Rubber base valve and casing bounding force/N | 170 | ≥150 |
Resistance to air loss: water wing is inflated to 120% of original design model cross section diameter, at room temperature placed 12 hours, do not have the gas of leakage phenomenon, prove that products air tightness is qualified.
Detect through the client, this formulation product has reached the U.S.'s 2008 consumer's goods improvement cases (CPSIA) (H.R.4040) and ASTMF963-08 U.S. toy safety standard-toxicity (solubility migration element) statutory requirement.
The invention has the beneficial effects as follows the prescription and the preparation method that disclose a kind of novel environment friendly rubber inner tube; The product that uses this preparation method not only to produce reaches environmental requirement; And alleviate and stopped the generation of the pollution in the production process, use technology of the present invention that good economic benefit and environmental benefit are arranged.
Embodiment
Embodiment of the present invention is:
Embodiment 1, and the preparation method of the environment-friendly rubber inner tube of a tyre is characterized in that: mainly comprise the steps:
A. prepare burden: compare according to following portions by weight: 1# marks glue 80, butylbenzene-150220, Namigai 40, WHITE CARBON BLACK 15, white titanium pigment 10,909 auxiliary agents 5; Anti-yellow agent 0.5, KM5,22460.5, RE1, DM0.8, CZ1.2; Triple Pressed Stearic Acid 1.5, lead-free zinc oxide 5,80 resins 3, Vaseline 5, Microcrystalline Wax 1, ultramarine 0.1; S2 takes by weighing each raw material, stores classifiedly, for adding respectively according to process requirements
Wherein KM is the verivate of Weibull and lipid acid; RE is natural gum and the universal anti-aging agent of synthetical glue, and DM is a dibenzothiazole disulfide, and CZ is N-cyclohexyl-2-[4-morpholinodithio sulphenamide; 2246 be 2.2 '-methylene-bis (4-methyl-6-t-butyl phenol), 909 is to benzene=formate.
B. plasticate: natural gum is added Banbury mixer, 165 ± 5 ℃ of controlled temperature, blast 0.7 ± 0.1Mpa, hydraulic pressure 0.3 ± 0.1MPa, mixing time 8 ± 1 minutes, cooling is parked and is supplied mixing use, plasticity number technology controlling and process standard more than 4 hours; 0.50-0.56.
C. mixing:
A. melting temperature is controlled at 80-140 ℃, blast 0.5 ± 0.1MPa, hydraulic pressure 0.3 ± 0.1MPa;
B. after adding broken-(down)rubber, the floating weight that falls 2-3 minute in addition makes broken-(down)rubber, and butadiene-styrene rubber reaches the setting technological temperature;
C. add KM, 909 back pressurizations 0.5 minute;
D. add altax, CZ, promoting agent zinc oxide, Triple Pressed Stearic Acid, antioxidant 2246, RE, Microcrystalline Wax, anti-yellow agent, tackifier 80 resins, tinting material ultramarine, white titanium pigment pressurizeed 1 minute;
E. add strengthening agent WHITE CARBON BLACK, weighting agent Namigai, the pressurization of tenderizer Vaseline 2.5 minutes;
F. carry floating weight, discharge 0.5 minute;
G. mill replenishes mixing: disposable being added in the mill of sizing material that will discharge in the Banbury mixer, and adjustment roll spacing is 2-3mm, sizing material is carried out rule dispel the heat 6 times in mill; Make the sizing material temperature drop to 80-90 degree centigrade; Glue is filtered in pitch cutting then, after every 25 kilograms of meterings, parks for use;
D. add sulphur: use equipment: the XK-450 mill, the roller temperature: 55 ± 5 ℃ of preliminary rollers, 60 ± 5 ℃ on back roller, the glue temperature is less than 100 ℃, 50 kilograms of capacity.
Key points for operation:
1. adjust roll spacing 3-4 millimeter before sizing material is got on the bus, open water coolant, cleared up the hull health, be ready to sulphur and filter good blob of viscose.
2. stay suitable surplus glue behind the sizing material bag roller, add sulphur after, about take out surplus sulphur and suffer all on the pusher surplus glue and play the triangle bag three times; Adjust roll spacing then to 1-2mm, Bao Tongsan time, decontrol roll spacing to 3-4mm; Get one of test piece from the centre and do fast inspection, descend sheet to cross water cooling then and park, being up to the standards issues use.
E. extrude:
1. the heat refining of sizing material: 1.1 slightly refinings, roll spacing transfers to 3-4mm, and after will qualifiedly adding the sulphur film and leaning on big gear wheel side pressure Soft Roll roller, three triangle bags are played in adding piecewise, and following coreless rolls is for use, and the sizing material temperature is controlled at 70-80 ℃, adds 15-20% back edge material then; 1.2. refining: roll spacing transfers to 2-3mm sizing material is played three triangle bags once more, and after the smooth surface, last volume supplies 10 forcing machines of sheet machine confession at present to use sizing material temperature 80-90 degree;
2. technical qualification: use φ 115 forcing machines, body temperature 30-40 ℃, 65 ± 5 ℃ of head temperatures; 95 ± 5 ℃ of shape of the mouth as one speaks temperature; Filter screen: 8 orders, 20 orders, each one deck of 60 orders, the sizing material temperature is controlled at 70-80 ℃ when slightly refining, and the sizing material temperature is controlled at 80-90 ℃ during refining;
3. key points for operation: 3.1 forcing machines are preheating to processing requirement, and whether the inspection filter screen is qualified; 3.2. require preheating shape of the mouth as one speaks temperature according to extrusion, adjustment shape of the mouth as one speaks speed wants fast, it is timely to change filter screen; 3.3. talcum powder wants an amount of in the tire bar, with not sticking being as the criterion under the hand; 3.4. forbid fracture in the extrusion process, avoid giving birth to the excessive incipient scorch phenomenon that occurs of heat because of fracture causes forcing machine idle running; 3.5. extrude line electric knife temperature at 330 ± 10 ℃, tire tube blast 0.3 ± 0.1Mpa; 3.6. the tire bar tankage and the head glue that begin to debug the shape of the mouth as one speaks or extrude when finishing in time reclaim, in order to avoid incipient scorch; 3.7. outer liquid proportioning: releasing agent: water=1: 15; 3.8. the head worker in time adjusts size, weight, forbids defective tire bar to flow into down to operation; Many 70-100mm 3.9. extrude tire bar fixed length than actual moulding fixed length.
F. dotting punch by chew, moulding:
G. sulfuration: 178 ± 2 ℃ of vulcanizing mold temperature, curing time 140 ± 10s presses 0.80 ± 0.05MPa in the sulfuration;
H. test package.
Claims (2)
1. environment-friendly rubber inner tube of a tyre is characterized in that: be by following raw material through plasticate, mixing, add sulphur, extrude, product that moulding, sulfuration process are processed,
Each raw materials in part by weight ratio is: 1# marks glue 80, butylbenzene-150220, Namigai 40, WHITE CARBON BLACK 15, white titanium pigment 10,909 auxiliary agents 5, anti-yellow agent 0.5; KM5,22460.5, RE1, DM0.8, CZ1.2, Triple Pressed Stearic Acid 1.5, lead-free zinc oxide 5; 80 resins 3, Vaseline 5, Microcrystalline Wax 1, ultramarine 0.1, S2
Described KM is the verivate of Weibull and lipid acid; RE is natural gum and the universal anti-aging agent of synthetical glue, and DM is a dibenzothiazole disulfide, and CZ is N-cyclohexyl-2-[4-morpholinodithio sulphenamide; 2246 be 2.2 '-methylene-bis (4-methyl-6-t-butyl phenol), 909 is to benzene=formate.
2. by the preparation method of the described a kind of environment-friendly rubber inner tube of a tyre of claim 1, it is characterized in that: mainly comprise the steps:
A. the batching: take by weighing each raw material according to described ratio of weight and number, store classifiedly subsequent use,
B. plasticate: natural gum is added Banbury mixer, 165 ± 5 ℃ of controlled temperature, blast 0.7 ± 0.1Mpa, hydraulic pressure 0.3 ± 0.1MPa, mixing time 8 ± 1 minutes, cooling is parked and is supplied mixing use, plasticity number technology controlling and process standard more than 4 hours; 0.50-0.56.
C. mixing:
A. melting temperature is controlled at 80-140 ℃, blast 0.5 ± 0.1MPa, hydraulic pressure 0.3 ± 0.1MPa;
B. after adding broken-(down)rubber, the floating weight that falls 2-3 minute in addition makes broken-(down)rubber, and butadiene-styrene rubber reaches the setting technological temperature;
C. add KM, 909 back pressurizations 0.5 minute;
D. add altax, CZ, promoting agent zinc oxide, Triple Pressed Stearic Acid, antioxidant 2246, RE, Microcrystalline Wax, anti-yellow agent, tackifier 80 resins, tinting material ultramarine, white titanium pigment pressurizeed 1 minute;
E. add strengthening agent WHITE CARBON BLACK, weighting agent Namigai, the pressurization of tenderizer Vaseline 2.5 minutes;
F. carry floating weight, discharge 0.5 minute;
G. mill replenishes mixing: disposable being added in the mill of sizing material that will discharge in the Banbury mixer, and adjustment roll spacing is 2-3mm, sizing material is carried out rule dispel the heat 6 times in mill; Make the sizing material temperature drop to 80-90 degree centigrade; Glue is filtered in pitch cutting then, after every 25 kilograms of meterings, parks for use;
D. add sulphur: use equipment: the XK-450 mill, the roller temperature: 55 ± 5 ℃ of preliminary rollers, 60 ± 5 ℃ on back roller, the glue temperature is less than 100 ℃, 50 kilograms of capacity.
E. extrude: use φ 115 forcing machines, body temperature 30-40 ℃, 65 ± 5 ℃ of head temperatures, 95 ± 5 ℃ of shape of the mouth as one speaks temperature, filter screen: 8 orders, 20 orders, each one deck of 60 orders, the sizing material temperature is controlled at 70-80 ℃ when slightly refining, and the sizing material temperature is controlled at 80-90 ℃ during refining;
F. dotting punch by chew, moulding:
G. sulfuration: 178 ± 2 ℃ of vulcanizing mold temperature, curing time 140 ± 10s presses 0.80 ± 0.05MPa in the sulfuration;
H. test package.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103059360A (en) * | 2012-12-30 | 2013-04-24 | 龙门多泰工业有限公司 | Rubber film |
| CN105086023A (en) * | 2015-09-10 | 2015-11-25 | 苏州国泰科技发展有限公司 | Nitrile rubber seal ring and preparation method thereof |
| WO2020058613A1 (en) * | 2018-09-21 | 2020-03-26 | Compagnie Generale Des Etablissements Michelin | Rubber composition comprising a polyphenolic compound |
| WO2020058614A1 (en) * | 2018-09-21 | 2020-03-26 | Compagnie Generale Des Etablissements Michelin | Rubber composition comprising an epoxide elastomer and a polyphenolic compound |
| CN111423634A (en) * | 2020-05-20 | 2020-07-17 | 威海市润通橡胶有限公司 | Engineering inner tube made of nano material and production method thereof |
| CN111531738A (en) * | 2020-05-16 | 2020-08-14 | 青岛茂驰橡胶制品有限公司 | Production process of rubber inner tube and cooling equipment thereof |
| CN115179518A (en) * | 2022-06-24 | 2022-10-14 | 南通顺驰橡胶制品有限公司 | Preparation method of antibacterial butyl rubber inner tube |
| US12134694B2 (en) | 2018-09-21 | 2024-11-05 | Compagnie Generale Des Etablissements Michelin | Rubber composition comprising a polyphenolic compound |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105086023A (en) * | 2015-09-10 | 2015-11-25 | 苏州国泰科技发展有限公司 | Nitrile rubber seal ring and preparation method thereof |
| CN105086023B (en) * | 2015-09-10 | 2017-03-29 | 苏州国泰科技发展有限公司 | A kind of nitrile rubber sealing ring and preparation method thereof |
| WO2020058613A1 (en) * | 2018-09-21 | 2020-03-26 | Compagnie Generale Des Etablissements Michelin | Rubber composition comprising a polyphenolic compound |
| WO2020058614A1 (en) * | 2018-09-21 | 2020-03-26 | Compagnie Generale Des Etablissements Michelin | Rubber composition comprising an epoxide elastomer and a polyphenolic compound |
| FR3086296A1 (en) * | 2018-09-21 | 2020-03-27 | Compagnie Generale Des Etablissements Michelin | RUBBER COMPOSITION COMPRISING AN EPOXIDE ELASTOMER AND A POLYPHENOLIC COMPOUND |
| FR3086297A1 (en) * | 2018-09-21 | 2020-03-27 | Compagnie Generale Des Etablissements Michelin | RUBBER COMPOSITION COMPRISING A POLYPHENOLIC COMPOUND |
| CN112739552A (en) * | 2018-09-21 | 2021-04-30 | 米其林集团总公司 | Rubber composition comprising polyphenol compound |
| US12134694B2 (en) | 2018-09-21 | 2024-11-05 | Compagnie Generale Des Etablissements Michelin | Rubber composition comprising a polyphenolic compound |
| CN111531738A (en) * | 2020-05-16 | 2020-08-14 | 青岛茂驰橡胶制品有限公司 | Production process of rubber inner tube and cooling equipment thereof |
| CN111423634A (en) * | 2020-05-20 | 2020-07-17 | 威海市润通橡胶有限公司 | Engineering inner tube made of nano material and production method thereof |
| CN115179518A (en) * | 2022-06-24 | 2022-10-14 | 南通顺驰橡胶制品有限公司 | Preparation method of antibacterial butyl rubber inner tube |
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| CN102746543B (en) | 2015-03-04 |
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