CN104262801A - Mixed sulfonated rubber for producing butyl inner tubes and technology for mixed sulfonated rubber - Google Patents
Mixed sulfonated rubber for producing butyl inner tubes and technology for mixed sulfonated rubber Download PDFInfo
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- CN104262801A CN104262801A CN201410538537.3A CN201410538537A CN104262801A CN 104262801 A CN104262801 A CN 104262801A CN 201410538537 A CN201410538537 A CN 201410538537A CN 104262801 A CN104262801 A CN 104262801A
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- rubber
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- zinc oxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C08L23/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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Abstract
The invention provides mixed sulfonated rubber for producing butyl inner tubes and a technology for the mixed sulfonated rubber. The mixed sulfonated rubber comprises raw materials in parts by weight as follows: waste butyl inner tubes, butyl rubber 1751, zinc oxide, stearic acid, naphthenic oil, general carbon black, tackifying resin, an accelerant TMTD, an accelerant M, an accelerant ZDC and sulphur. The preparation technology comprises the steps as follows: (1) after a kneader is preheated, the waste butyl inner tubes are added to be refined at the temperature of 170-190 DEG C for 5-7 min; (2) the butyl rubber 1751 and the general carbon black are added to be refined at the temperature of 200-210 DEG C for 4-6 min; (3) the zinc oxide, the stearic acid, the tackifying resin and the naphthenic oil are added to be refined at the temperature of 210-230 DEG C for 4-6 min; (4) a rubber material is discharged; (5) the rubber material is sliced and cooled at the temperature of 160 DEG C for 5 min; (6) refining and cooling are conducted at the temperature of 100 DEG C for 6 min; (7) refining and filtration are conducted at the temperature of 130 DEG C for 8 min; (8) rubber slices are left to stand for more than 48 h, and the accelerant TMTD, the accelerant M, the accelerant ZDC and the sulphur are added to be refined at the temperature of 60-80 DEG C for 2-3 min. The mixed sulfonated rubber has the benefit that usage of the butyl rubber is reduced.
Description
Technical field
The present invention relates to and a kind ofly make the mixing of butyl inner tube and add sulphur glue and technique thereof.
Background technology
In traditional butyl reclaimed rubber production process, use a large amount of mechanical means, desulfurization production is carried out to useless butyl inner tube, hold facility area is large, waste a large amount of human and material resources, and the product produced is work in-process, through carrying out secondary mixed refining process with various auxiliary agent, just butyl inner tube need can be produced.This technique causes the waste of various resource, because rubber is through shearing repeatedly and extruding, reduces the physicals of finished product, need use isoprene-isobutylene rubber in a large number to meet product requirement, causes product cost to remain high, constrains product competitiveness.
Summary of the invention
The problem to be solved in the present invention is to provide and a kind ofly makes the mixing of butyl inner tube and add sulphur glue and technique thereof, the butyl renewable rubber of original technique is instead of with useless butyl inner tube, add the various auxiliary agents needed for the inner tube of a tyre again, a kind of brand-new butyl mixed rubber is produced, the direct production inner tube of a tyre through desulfurization, mixing, shearing.
For solving the problems of the technologies described above, the technical solution used in the present invention is: make the mixing of butyl inner tube and add sulphur glue, comprise the raw material of following weight part:
Wherein isoprene-isobutylene rubber 1751: rubbery solid like canescence, density is 0.92g/cm3, tasteless, is not dissolved in water, can be dissolved in hexane, chloroform; Product also has that air penetrability is low, resistance to air loss good, good ozone resistants, chemical resistance, electrical insulating property, flexible resistance, also has heat-resistant aging, absorbs the characteristics such as energy;
Zinc oxide can be Nano-class zinc oxide, indirect process zinc oxide or activation method zinc oxide, is preferably indirect process zinc oxide: white hexaplanar crystallization or powder, content: 99.7%; Metal object (in Zn) %: nothing; Plumbous oxide (in Pb) :≤0.037%; The oxide compound (in Mn) of manganese :≤0.0001%; Cupric oxide (in Cu) :≤0.0001%; Burning decrement :≤0.2%, the water solubles :≤0.10%; Moisture :≤0.3%; Screenings (320 mesh sieve) :≤0.10%;
Stearic acid: i.e. octadecanoic acid, molecular formula C
18h
36o
2, produced by fat hydrolysis, mainly for the production of stearate, every gram is dissolved in 21ml ethanol, 5ml benzene, and in 2ml chloroform or 6ml tetracol phenixin, for white or off-white color have powder or the crystallinity lump of soapy feeling, its section has the fine needle crystal of micro-band gloss; Have the micro-smelly, tasteless of similar grease, easily molten in chloroform or ether, dissolve in ethanol, almost insoluble in water, the condensation point (annex VI D) of condensation point this product is not less than 54 DEG C, and the iodine number of iodine number this product is not more than 4, and acid number is 203 ~ 210;
Naphthenic oil: belong to process oil (treated oil, extending oil) and so on take naphthenic hydrocarbon as the petroleum fractions of main component; Acid number <0.15mgKOH/g.Yield point-40 ~-12 DEG C.Saturated hydrocarbon content 87.55% ~ 93.86%, aromatic hydrocarbons cycloalkanes oil-contg 6.14% ~ 11.96%, asphalt content 0 ~ 0.49%.As the tenderizer of rubber-type seal gum and pressure sensitive adhesive.Be stored in the storehouse of cool place, ventilation, away from kindling material, thermal source;
Universal carbon black N660: be a kind of decolorizing carbon, light, loose and superfine black powder, surface-area is very large, and scope is from 10-3000m
2/ g, it is the product that carbonaceous material (coal, Sweet natural gas, heavy oil, fuel wet goods) obtains through incomplete combustion or decomposes under the condition of lack of air, the title " channel black " that proportion 1.8-2.1 is made up of Sweet natural gas, the title " dim " be made up of oils, the title be made up of acetylene " acetylene black "; In addition " channel black ", " furnace black " is also had.Distinguish by carbon black performance and have " hard(carbon)black ", " graphitized carbon black ", " abrasion resistant carbon black " etc.Black dyes can be made, for the manufacture of ink stick, ink, paint etc., also for cooking the strengthening agent of rubber;
Tackifying resin has excellent polymer compatibility, compatible with EVA, SIS, SBS, SBR etc., in tackiness agent and rubber item industry, be used as tackifier; Tackifying resin comprises phenolic tackifying resins SP1068, tackifying resin 1102 or tackifying resin HM601; Be preferably phenolic tackifying resins SP1068: fusing point: (pressure ball method) 85-95 DEG C; Relative density: 1.0 acid esters: 35; Purchased from Sheng Laike specialization work (Shanghai) Co., Ltd..
Vulcanization accelerator TMTD: appearance white, pale powder or granular; First fusing point/DEG C 142140; Hydrochloric acid insoluble substance content/%≤0.040.04 in weight loss on heating/%≤0.400.50 ash content %≤0.300.40 ash content;
Captax: 2-benzothiazolyl mercaptan, is called for short MBT, molecular formula: C7H5NS2; Molecular weight: 167.26; Faint yellow monocline needle-like or plate crystal powder, have micro-smelly and bitter taste, relative density 1.42.Fusing point 170 ~ 181 DEG C.Be dissolved in acetone, vinyl acetic monomer, methylene dichloride, ethanol and the basic solution such as sodium hydroxide and sodium carbonate.Be slightly soluble in benzene, water insoluble and gasoline.Flammable, there is explosion hazard during in dust-like.Low toxicity, LD505000mg/kg; Massfraction/% >=the 99.599.098.0 of captax;
Promotor ZDC: chemical name: zinc diethyldithiocarbamate, outward appearance: white or pale powder, relative density: 1.45 ~ 1.51, fusing point: 179 ~ 181 DEG C, solvability: be dissolved in toluene, dithiocarbonic anhydride, chloroform, 1% sodium hydroxide, water insoluble and industrial naptha;
Sulphur: outward appearance is faint yellow fragility crystallization or powder, there is off-odor, molecular weight is 32.06, and vapour pressure is 0.13kPa, and flash-point is 207 DEG C, fusing point is 112 DEG C, boiling point is 444.6 DEG C, and relative density (water=1) is 2.0, and sulphur is water insoluble, be slightly soluble in ethanol, ether, be soluble in dithiocarbonic anhydride.As flammable solid, sulphur is mainly for the manufacture of dyestuff, agricultural chemicals, match, gunpowder, rubber, artificial silk etc.Can be used for emergent management experiment time the mercury of mercurythermometer smashed because when mercury and SULPHUR POWDER are directly ground, mercury is liquid, and contact area is comparatively large, and the two avidity is comparatively by force, easily forms mercurous sulfide.
The mixing technique adding sulphur glue of described making butyl inner tube, comprises the steps:
(1) useless butyl inner tube is added by after the preheating of adding pressure type rubber kneading machine, 170-190 DEG C of refining 5-7min;
(2) isoprene-isobutylene rubber 1751 and Universal carbon black N660,200-210 DEG C of refining 4-6min is added;
(3) zinc oxide, stearic acid, tackifying resin and naphthenic oil is added, 210-230 DEG C of refining 4-6min;
(4) sizing material is discharged from adding pressure type rubber kneading machine;
(5) sizing material enters slice heat radiation in rubber refining mill, 160 DEG C, 5min;
(6) refining heat radiation, 100 DEG C, 6min;
(7) sizing material is by rubber strainer Polish filtration, 130 DEG C, 8min;
(8) drop in milling machine after sizing material cooling, add Vulcanization accelerator TMTD, captax, promotor ZDC and sulphur, 60-80 DEG C of refining 2-3min, obtains adding sulphur glue product.
The advantage that the present invention has and positively effect are: owing to adopting technique scheme, can the direct production inner tube of a tyre, the isoprene-isobutylene rubber added than traditional technology is few, and butyl renewable rubber and butyl inner tube rubber unvulcanizate production technique is completed by twice, once can complete after optimum combination.But its physicals and traditional technology are substantially identical, wherein joint tensile strength and valve gonys portion and casing bond strength are higher than conventional tires formula, have good quality parameter, and production cost reduces.
Embodiment
Table 1 is the raw material add-on of three kinds of embodiments and the raw material add-on of traditional technology:
Table 1
Processing step:
(1) useless butyl inner tube is added by after the preheating of adding pressure type rubber kneading machine, 170-190 DEG C of refining 5-7min; (2) isoprene-isobutylene rubber 1751 and Universal carbon black N660,200-210 DEG C of refining 4-6min is added; (3) zinc oxide, stearic acid, tackifying resin and naphthenic oil is added, 210-230 DEG C of refining 4-6min; (4) sizing material is discharged from adding pressure type rubber kneading machine; (5) sizing material enters slice heat radiation in rubber refining mill, 160 DEG C, 5min; (6) refining heat radiation, 100 DEG C, 6min; (7) sizing material is by rubber strainer Polish filtration, 130 DEG C, 8min; (8) more than 48h placed by film, drops in pressure initial refining machine, adds Vulcanization accelerator TMTD, captax, promotor ZDC and sulphur, 60-80 DEG C of refining 2-3min, and what obtain adds sulphur glue product and can be directly used in production butyl inner tube.
Wherein: pressure initial refining machine model is X (S) N-75; Rubber refining mill model is XKJ-560; Considering glue type number is: XJL-250; Mill model is: XK-450.
Table 2 is that the physicals index of each embodiment product and the physicals exponent pair of traditional technology product shine:
Table 2
By contrast table 1,2 known, novel process significantly reduces than the add-on of original technique isoprene-isobutylene rubber 1751, after production technique is optimized combination, the differentiation of product of its physical properties and traditional technology is little, wherein joint tensile strength and valve gonys portion and casing bond strength are more higher than conventional tires formula, have good quality parameter.
Above case study on implementation of the present invention has been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (4)
1. make the mixing of butyl inner tube and add sulphur glue, it is characterized in that: the raw material comprising following weight part:
2. the mixing of making butyl inner tube according to claim 1 adds sulphur glue, it is characterized in that: zinc oxide is Nano-class zinc oxide, indirect process zinc oxide or activation method zinc oxide.
3. the mixing of making butyl inner tube according to claim 1 adds sulphur glue, it is characterized in that: tackifying resin is phenolic tackifying resins SP1068, tackifying resin 1102 or tackifying resin HM601.
4. the mixing technique adding sulphur glue of the making butyl inner tube according to any one of claims 1 to 3, is characterized in that: comprise the steps:
(1) useless butyl inner tube is added by after milling machine preheating, 170-190 DEG C of refining 5-7min;
(2) isoprene-isobutylene rubber 1751 and Universal carbon black N660,200-210 DEG C of refining 4-6min is added;
(3) zinc oxide, stearic acid, tackifying resin and naphthenic oil is added, 210-230 DEG C of refining 4-6min;
(4) sizing material is discharged;
(5) sizing material slice heat radiation, 160 DEG C, 5min;
(6) refining heat radiation, 100 DEG C, 6min;
(7) Polish filtration, 130 DEG C, 8min;
(8) more than 48h parked by film, adds Vulcanization accelerator TMTD, captax, promotor ZDC and sulphur, 60-80 DEG C of refining 2-3min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410538537.3A CN104262801B (en) | 2014-10-13 | A kind of make the mixing of butyl inner tube and add sulphur glue and technique thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410538537.3A CN104262801B (en) | 2014-10-13 | A kind of make the mixing of butyl inner tube and add sulphur glue and technique thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104262801A true CN104262801A (en) | 2015-01-07 |
| CN104262801B CN104262801B (en) | 2017-01-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542328A (en) * | 2015-12-30 | 2016-05-04 | 江苏宝利来斯橡胶有限公司 | Improved butyl rubber and preparation method thereof |
| CN106566096A (en) * | 2016-11-14 | 2017-04-19 | 江苏富梓民轮胎有限公司 | Open type inner tube and preparation method |
| CN111117084A (en) * | 2020-01-13 | 2020-05-08 | 沈阳化工大学 | Preparation method of agricultural automobile butyl inner tube added with butyl rubber powder |
| CN112011131A (en) * | 2020-09-10 | 2020-12-01 | 腾森橡胶轮胎（威海）有限公司 | Sizing material for connecting butyl inner tube and inflating valve and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101066617A (en) * | 2007-04-09 | 2007-11-07 | 辽宁万来轮胎有限公司 | Process of producing inner tube material with waste butyl rubber inner tube |
| CN101590699A (en) * | 2009-05-27 | 2009-12-02 | 邓志浩 | A kind of method for manufacturing motor vehicle inner tube from composite butyl reclaimed rubber |
| CN101613499A (en) * | 2009-08-07 | 2009-12-30 | 孙明 | A kind of production method of the inner tube of a tyre |
| CN103275348A (en) * | 2013-06-19 | 2013-09-04 | 南通回力橡胶有限公司 | Production method and combination material formula of environment-friendly high-strength reclaimed butyl rubber |
| CN103589077A (en) * | 2012-08-16 | 2014-02-19 | 山东玲珑轮胎股份有限公司 | Environment-friendly butyl inner tube and inner tube sizing material thereof |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101066617A (en) * | 2007-04-09 | 2007-11-07 | 辽宁万来轮胎有限公司 | Process of producing inner tube material with waste butyl rubber inner tube |
| CN101590699A (en) * | 2009-05-27 | 2009-12-02 | 邓志浩 | A kind of method for manufacturing motor vehicle inner tube from composite butyl reclaimed rubber |
| CN101613499A (en) * | 2009-08-07 | 2009-12-30 | 孙明 | A kind of production method of the inner tube of a tyre |
| CN103589077A (en) * | 2012-08-16 | 2014-02-19 | 山东玲珑轮胎股份有限公司 | Environment-friendly butyl inner tube and inner tube sizing material thereof |
| CN103275348A (en) * | 2013-06-19 | 2013-09-04 | 南通回力橡胶有限公司 | Production method and combination material formula of environment-friendly high-strength reclaimed butyl rubber |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542328A (en) * | 2015-12-30 | 2016-05-04 | 江苏宝利来斯橡胶有限公司 | Improved butyl rubber and preparation method thereof |
| CN106566096A (en) * | 2016-11-14 | 2017-04-19 | 江苏富梓民轮胎有限公司 | Open type inner tube and preparation method |
| CN111117084A (en) * | 2020-01-13 | 2020-05-08 | 沈阳化工大学 | Preparation method of agricultural automobile butyl inner tube added with butyl rubber powder |
| CN112011131A (en) * | 2020-09-10 | 2020-12-01 | 腾森橡胶轮胎（威海）有限公司 | Sizing material for connecting butyl inner tube and inflating valve and preparation method thereof |
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