CN104017280A - Process for producing ageing-resistant tire bladder sizing material - Google Patents
Process for producing ageing-resistant tire bladder sizing material Download PDFInfo
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- CN104017280A CN104017280A CN201410281888.0A CN201410281888A CN104017280A CN 104017280 A CN104017280 A CN 104017280A CN 201410281888 A CN201410281888 A CN 201410281888A CN 104017280 A CN104017280 A CN 104017280A
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- rubber
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- sizing material
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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 & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a process for producing an ageing-resistant tire bladder sizing material. The process comprises the steps of (1) respectively weighing chlorinated butyl rubber and chloroprene rubber, adding the rubber into an internal mixer, mixing for 1-1.5 minutes, then adding butyl rubber, performing primary mixing, adding zinc oxide, microcrystalline wax and carbon black after 2-3 minutes, mixing for 3-5 minutes, adding castor oil, mixing, discharging the rubber after 3-4 minutes, and performing open mixing; (2) filtering the primary mixed rubber in a rubber filter; (3) adding the filtered mother rubber into the internal mixer, performing secondary mixing, adding a vulcanizing agent after mixing for 1-2 minutes, and discharging the rubber after 1-2 minutes; (4) extruding the secondary mixed rubber into a shape required by a die pressing vulcanizing machine or an injection vulcanizing machine by adopting a cold feed extruder. The process disclosed by the invention is improved from the formula and the production process, so that the production efficiency of bladders is greatly improved, the problems of surface cracking, seam allowance cracking and short service life of a finished product under severe use conditions are solved, the qualification rate of the bladder product is greatly improved, and the service life of the bladder product is greatly prolonged.
Description
Technical field
The present invention relates to tyre capsule production technique field, specifically a kind of production technique of ageing-resistant tyre capsule sizing material.
Background technology
Traditional tyre capsule production technique uses normally alone chlorinated butyl rubber or chloroprene rubber as promoting agent, but the tyre capsule of above-mentioned explained hereafter is in the physicals of capsule, flexible resistance, still there is larger gap in ageing-resistant performance and like product both domestic and external, due to the harsher (high temperature of working conditions of tire curing bladder, certain pressure, repeatedly deflect extension, oxidation), need product to have high temperature resistant, resistance to oxidation, high strength, high extension, the technical features such as low setafter break, but the tyre capsule technical feature of existing explained hereafter does not also reach requirement, in use often occur that capsule surface be full of cracks and rim of the mouth the problem such as split, production cost is also high.
Summary of the invention
For above-mentioned defect, the invention provides the production technique of simple, easy to operate, the with low cost and ageing-resistant tyre capsule sizing material that technical target of the product is high of a kind of technique, it carries out significant improvement from formula and production technique aspect, greatly improve the production efficiency of capsule, and solved check surface, rim of the mouth that finished product produces under harsh working conditions split the life-span low problem, the qualification rate of finished capsule product and life-span increased substantially.
Technical scheme of the present invention comprises the following steps:
(1), take respectively 2.5-5.0 weight part chlorinated butyl rubber and 1.5-3.5 weight part chloroprene rubber at 75-85 DEG C of input Banbury mixer, after mixing 1-1.5 minute, add again 95-100 weight part isoprene-isobutylene rubber carry out one section mixing, after 2-3 minute, add 4-5 part by weight of zinc oxide, 1-2 weight part microcrystalline wax, the mixing of 52-58 weight part carbon black after 3-5 minute, add again 5-7 weight part Viscotrol C mixing, binder removal after 3-4 minute, carry out after mill thin-pass refines 180-270s, lower cooling, park 24-72h, turn filter progress;
(2), in rubber strainer, one section of rubber unvulcanizate is filtered, filter glue temperature is controlled at 110-130 DEG C; To filter after rubber master batch place 12 hours for subsequent use;
(3), when controlling Banbury mixer temperature and being 35-45 DEG C, by carrying out two-stage mixing 1-2 minute in rubber master batch input Banbury mixer after filter, add 7-9 weight part vulcanizing agent, binder removal after mixing 1-2 minute afterwards; Carrying out subsequently mill crosses cooling automatically the putting through of roller and smashes refining 270-300 second; Lower cooling, park 24-72h, turn over cold feed extruder extrusion moulding.
Such scheme can be more preferably:
Described chlorinated butyl rubber is preferably 3 weight parts, described chloroprene rubber is preferably 2 weight parts, described isoprene-isobutylene rubber is preferably 100 weight parts, described zinc oxide is preferably 5 weight parts, described microcrystalline wax is preferably 2 weight parts, described carbon black is preferably 52 weight parts, and described Viscotrol C is preferably 5.8 weight parts, and described vulcanizing agent is preferably 8 weight parts.
Described vulcanizing agent is resin compound, and it is formed according to weight ratio 1:7 mixed configuration by brominated phenolic resin and resol.
Described chlorinated butyl rubber is preferably chlorinated butyl rubber CIIR1240, and described chloroprene rubber is preferably chloroprene rubber CR54-1.
Described microcrystalline wax is preferably microcrystalline wax OK1987.
Compared with prior art, the present invention has the following advantages:
(1) formula aspect, break alone chlorinated butyl rubber CIIR and chloroprene rubber CR and cook promoting agent traditional idea, CIIR1240 and CRCR54-1 (best for 3:2) be used as promoting agent in proportion in formula, not only improve vulcanization rate, also improve production efficiency, solve the phenomenon of alone CIIR1240 roll banding, thermostability, the antioxidant property of capsule are strengthened, reduce tension set, strengthen anti-reversion and delay the softening function of capsule water logging, also make per kilogram sizing material reduce costs 3.3 yuan; In addition the improvement of formula improves physicals, flexible resistance, the ageing-resistant performance of capsule, has eliminated the problem that capsule surface be full of cracks and rim of the mouth are split, and has reduced cost.
(2) process aspect, change innovatively the throwing glue temperature of moulding workshop section (one section of glue, two sections of glue), on mixing time, do rational adjustment according to simulated experiment again, not only make dispersity, the physicals of sizing material have very large improvement, also shorten curing time, production efficiency improves 50%, has reduced cost, has saved the energy.
Embodiment
Embodiment 1
A production technique for ageing-resistant tyre capsule sizing material, comprises the following steps:
(1), take respectively 2.5-5.0 weight part chlorinated butyl rubber and 1.5-3.5 weight part chloroprene rubber at 75-85 DEG C of input Banbury mixer, after mixing 1-1.5 minute, add again 95-100 weight part isoprene-isobutylene rubber carry out one section mixing, after 2-3 minute, add 4-5 part by weight of zinc oxide, 1-2 weight part microcrystalline wax, the mixing of 52-58 weight part carbon black after 3-5 minute, add again Viscotrol C 5-7 part mixing, binder removal after 3-4 minute, carry out after mill thin-pass refines 180-270s, lower cooling, park 24-72h, turn filter progress;
(2), in rubber strainer, one section of rubber unvulcanizate is filtered, filter glue temperature is controlled at 110-130 DEG C; To filter after rubber master batch place 12 hours for subsequent use;
(3), Banbury mixer temperature is while being 35-45 DEG C, and rubber master batch after filter is dropped in Banbury mixer and carries out two-stage mixing 1-2 minute, adds 7-9 weight part vulcanizing agent, binder removal after mixing 1-2 minute afterwards; Carrying out subsequently mill crosses cooling automatically the putting through of roller and smashes refining 270-300 second.Lower cooling, park 24-72h, turn over cold feed extruder extrusion moulding; Vulcanizing agent is resin compound, and it is formed according to weight ratio 1:7 mixed configuration by brominated phenolic resin and resol.
(4), adopt cold feed extruder that two-stage mixing glue is extruded into molded vulcanization machine or injection vulcanizer desired shape.
Embodiment 2
A kind of production technique of ageing-resistant tyre capsule sizing material, keep embodiment 1 other steps and parameter constant, only the weight part of each raw material of producing is done following preferred: chlorinated butyl rubber is preferably 3 weight parts, chloroprene rubber is preferably 2 weight parts, and isoprene-isobutylene rubber is preferably 100 weight parts, and zinc oxide is preferably 5 weight parts, microcrystalline wax is preferably 2 weight parts, carbon black is preferably 52 weight parts, and Viscotrol C is preferably 5.8 weight parts, and vulcanizing agent is preferably 8 weight parts.Facts have proved that therefore the mean value of the properties of rubber that the performance index of the sizing material that the present embodiment obtains obtain higher than embodiment 1 can be used as most preferred embodiment of the present invention.
Reference examples (before improvement)
The production technique of ageing-resistant tyre capsule sizing material before improving, comprises the following steps:
(1), take separately 8-10 weight part chlorinated butyl rubber or take separately 4-5 weight part chloroprene rubber, 95-100 weight part isoprene-isobutylene rubber and in the time of 90-95 DEG C, drop in the lump Banbury mixer, carry out one section mixing, after 2-3 minute, add 1-2 weight part microcrystalline wax, the mixing of 50-52 weight part carbon black after 3-5 minute, add again Viscotrol C 4-5 part mixing, binder removal after 3-4 minute, carry out after mill thin-pass refines 180-270s, lower cooling, park 24-72h, turn filter progress.
(2), in rubber strainer, one section of rubber unvulcanizate is filtered, filter glue temperature is controlled at 120-135 DEG C; To filter after rubber master batch place 12 hours for subsequent use;
(3), Banbury mixer temperature is while being 48-55 DEG C, rubber master batch after filter is dropped in Banbury mixer and carries out two-stage mixing 1-2 minute, then add brominated phenolic resin or the resol of 4-5 part by weight of zinc oxide and vulcanizing agent 8-10 part, binder removal after mixing 1-2 minute afterwards; Carrying out subsequently mill crosses cooling automatically the putting through of roller and smashes refining 270-300 second.Lower cooling, park 24-72h, turn over cold feed extruder extrusion moulding.
(4), adopt cold feed extruder that two-stage mixing glue is extruded into molded vulcanization machine or injection vulcanizer desired shape.
Be below (reference examples) and the improvement sizing material average behaviour contrast that (embodiment 1 and embodiment 2) produces respectively afterwards before process modification:
1, the performance under following cure conditions
。
2, the performance of 200 DEG C of * 16h after aging
。
3, the performance of 200 DEG C of * 24h after aging
。
More than contrast can be found out
1) 20 points of rubber vulcanizations after improving exceeded improve before the performance of 30 points of sulfurations.
2) performance from aging 200 DEG C of * 16h are aging can be found out, the properties conservation rate after improvement is very good, and the obvious low proof sizing material degree of aging of hardness is significantly better than before improving; Elongation can also keep 62.2%, and performance improves 22.2%.
3) performance from aging 200 DEG C of * 24h are aging can be found out, the properties after improvement is significantly better than before improving; Elongation can also keep 54.5%, and performance improves 25.5.2%.
The performance level of tyre capsule that the sizing material that the present invention produces is made is compared with same kind of products at abroad, and Ku Bo company of U.S. capsule mean life is 398 times, and French rep company capsule mean life is 376 times.Company of individual proprietorship Bridgestone of Japan is more than 430 times work-ing life, and our product assurance uses more than 550 times.The capsule product that sizing material of the present invention is produced and Ku Bo company of the U.S. and French rep company's product basic mechanical design feature index contrast following (taking B1000R20-3 as example):
。
Claims (5)
1. a production technique for ageing-resistant tyre capsule sizing material, is characterized in that, comprises the following steps:
(1), take respectively 2.5-5.0 weight part chlorinated butyl rubber and 1.5-3.5 weight part chloroprene rubber at 75-85 DEG C of input Banbury mixer, after mixing 1-1.5 minute, add again 95-100 weight part isoprene-isobutylene rubber carry out one section mixing, after 2-3 minute, add 4-5 part by weight of zinc oxide, 1-2 weight part microcrystalline wax, the mixing of 52-58 weight part carbon black after 3-5 minute, add again 5-7 weight part Viscotrol C mixing, binder removal after 3-4 minute, carry out after mill thin-pass refines 180-270s, lower cooling, park 24-72h, turn filter progress;
(2), in rubber strainer, one section of rubber unvulcanizate is filtered, filter glue temperature is controlled at 110-130 DEG C; To filter after rubber master batch place 12 hours for subsequent use;
(3), when controlling Banbury mixer temperature and being 35-45 DEG C, by carrying out two-stage mixing 1-2 minute in rubber master batch input Banbury mixer after filter, add the vulcanizing agent of 7-9 weight part, binder removal after mixing 1-2 minute afterwards; Carrying out subsequently mill crosses cooling automatically the putting through of roller and smashes refining 270-300 second; Lower cooling, park 24-72h, turn over cold feed extruder extrusion moulding.
2. the production technique of ageing-resistant tyre capsule sizing material according to claim 1, it is characterized in that: described chlorinated butyl rubber is preferably 3 weight parts, described chloroprene rubber is preferably 2 weight parts, described isoprene-isobutylene rubber is preferably 100 weight parts, described zinc oxide is preferably 5 weight parts, and described microcrystalline wax is preferably 2 weight parts, and described carbon black is preferably 52 weight parts, described Viscotrol C is preferably 5.8 weight parts, and described vulcanizing agent is preferably 8 weight parts.
3. the production technique of ageing-resistant tyre capsule sizing material according to claim 1, is characterized in that: described vulcanizing agent is resin compound, and it is formed according to weight ratio 1:7 mixed configuration by brominated phenolic resin and resol.
4. the production technique of ageing-resistant tyre capsule sizing material according to claim 1, is characterized in that: described chlorinated butyl rubber is chlorinated butyl rubber CIIR1240, and described chloroprene rubber is chloroprene rubber CR54-1.
5. the production technique of ageing-resistant tyre capsule sizing material according to claim 1, is characterized in that: described microcrystalline wax is microcrystalline wax OK1987.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410281888.0A CN104017280B (en) | 2014-06-23 | 2014-06-23 | The production technique of ageing-resistant tyre capsule sizing material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410281888.0A CN104017280B (en) | 2014-06-23 | 2014-06-23 | The production technique of ageing-resistant tyre capsule sizing material |
Publications (2)
| Publication Number | Publication Date |
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| CN104017280A true CN104017280A (en) | 2014-09-03 |
| CN104017280B CN104017280B (en) | 2016-01-20 |
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| CN201410281888.0A Expired - Fee Related CN104017280B (en) | 2014-06-23 | 2014-06-23 | The production technique of ageing-resistant tyre capsule sizing material |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107936392A (en) * | 2017-12-19 | 2018-04-20 | 浙江华和塑胶科技有限公司 | A kind of tyre capsule glue stuff compounding production technology |
| CN109181125A (en) * | 2018-11-15 | 2019-01-11 | 永橡胶有限公司 | A kind of preparation method of curing bag |
| CN109385015A (en) * | 2018-11-01 | 2019-02-26 | 永橡胶有限公司 | A kind of preparation method improving tire curing bladder production security |
| CN109401088A (en) * | 2018-10-31 | 2019-03-01 | 永橡胶有限公司 | A kind of preparation method of heat oxygen aging resistance tire curing bladder |
| CN109535578A (en) * | 2018-11-13 | 2019-03-29 | 永橡胶有限公司 | A kind of preparation method of curing bag |
| CN109735013A (en) * | 2018-12-26 | 2019-05-10 | 永一橡胶有限公司 | A kind of formula and preparation method thereof of tire curing bladder sizing material |
| CN110802786A (en) * | 2019-11-11 | 2020-02-18 | 永一橡胶有限公司 | Preparation method of tire curing bladder rubber material |
| CN114921031A (en) * | 2022-06-09 | 2022-08-19 | 无锡玮泰橡胶工业有限公司 | Vulcanization capsule easy to react with tire separant and preparation method thereof |
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| CN101239493A (en) * | 2006-10-19 | 2008-08-13 | 固特异轮胎和橡胶公司 | Curing bladder with release layer |
| CN101280178A (en) * | 2008-05-21 | 2008-10-08 | 东营金泰轮胎胶囊有限公司 | Processing method of heat conducting capsules |
| US20120060992A1 (en) * | 2009-04-24 | 2012-03-15 | Bridgestone Corporation | Pneumatic tire and method of manufacturing the same |
| US20120101193A1 (en) * | 2010-10-25 | 2012-04-26 | Paul Harry Sandstrom | Uncured butyl rubber composition containing a dispersion of dye colored corn cob granules and tire having an innerliner layer comprised of said butyl rubber |
| CN102453284A (en) * | 2010-10-27 | 2012-05-16 | 住友橡胶工业株式会社 | Rubber composition for bladder and bladder |
-
2014
- 2014-06-23 CN CN201410281888.0A patent/CN104017280B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101239493A (en) * | 2006-10-19 | 2008-08-13 | 固特异轮胎和橡胶公司 | Curing bladder with release layer |
| CN101280178A (en) * | 2008-05-21 | 2008-10-08 | 东营金泰轮胎胶囊有限公司 | Processing method of heat conducting capsules |
| US20120060992A1 (en) * | 2009-04-24 | 2012-03-15 | Bridgestone Corporation | Pneumatic tire and method of manufacturing the same |
| US20120101193A1 (en) * | 2010-10-25 | 2012-04-26 | Paul Harry Sandstrom | Uncured butyl rubber composition containing a dispersion of dye colored corn cob granules and tire having an innerliner layer comprised of said butyl rubber |
| CN102453284A (en) * | 2010-10-27 | 2012-05-16 | 住友橡胶工业株式会社 | Rubber composition for bladder and bladder |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107936392A (en) * | 2017-12-19 | 2018-04-20 | 浙江华和塑胶科技有限公司 | A kind of tyre capsule glue stuff compounding production technology |
| CN107936392B (en) * | 2017-12-19 | 2021-02-02 | 浙江华和塑胶科技有限公司 | Production process of mixed rubber material for tire bladder |
| CN109401088A (en) * | 2018-10-31 | 2019-03-01 | 永橡胶有限公司 | A kind of preparation method of heat oxygen aging resistance tire curing bladder |
| CN109385015A (en) * | 2018-11-01 | 2019-02-26 | 永橡胶有限公司 | A kind of preparation method improving tire curing bladder production security |
| CN109535578A (en) * | 2018-11-13 | 2019-03-29 | 永橡胶有限公司 | A kind of preparation method of curing bag |
| CN109181125A (en) * | 2018-11-15 | 2019-01-11 | 永橡胶有限公司 | A kind of preparation method of curing bag |
| CN109735013A (en) * | 2018-12-26 | 2019-05-10 | 永一橡胶有限公司 | A kind of formula and preparation method thereof of tire curing bladder sizing material |
| CN110802786A (en) * | 2019-11-11 | 2020-02-18 | 永一橡胶有限公司 | Preparation method of tire curing bladder rubber material |
| CN114921031A (en) * | 2022-06-09 | 2022-08-19 | 无锡玮泰橡胶工业有限公司 | Vulcanization capsule easy to react with tire separant and preparation method thereof |
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| CN104017280B (en) | 2016-01-20 |
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