CN107418474B - A kind of repair sheets, preparation method and its application method - Google Patents
A kind of repair sheets, preparation method and its application method Download PDFInfo
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- CN107418474B CN107418474B CN201710754942.2A CN201710754942A CN107418474B CN 107418474 B CN107418474 B CN 107418474B CN 201710754942 A CN201710754942 A CN 201710754942A CN 107418474 B CN107418474 B CN 107418474B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J107/00—Adhesives based on natural rubber
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of repair sheets, preparation method and its application method, the repair sheets include masterbatch 1, promotor, vulcanizing agent and masterbatch 2, the mass fraction of each component are as follows: masterbatch 1 is 660 parts, 1.2~2 parts of promotor, 2~2.5 parts of vulcanizing agent, masterbatch 2 is 0~40 part, masterbatch 1 includes 100 parts of natural rubber, 3~6 parts of carbon black, 1~1.5 part of anti-aging agent, 2~2.5 parts of tackifying resin, 500~550 parts of zinc oxide, masterbatch 2 includes 100 parts of natural rubber, 40~60 parts of N774 carbon black, the present invention discloses the preparation method of the repair sheets and its application methods.The present invention uses specific vulcanizing system, and the repair sheets after smearing can complete autovulcanization at normal temperature, improve the adhesive force between tire；Preparation method is simple, at low cost, and the normal production technology of tire is easily realized and do not influenced to application process, substantially reduces tire because of waster rate caused by dynamic equilibrium problems.
Description
Technical field
The present invention relates to tyre patching rubber material technical fields, in particular to a kind of repair sheets, preparation method and its use
Method.
Technical background
The dynamic balance performance of tire is the important indicator for measuring tire quality superiority and inferiority, safety, comfort concerning traveling
And control stability.Traveling will lead to crown heating for a long time, or even can cause to blow out.So dynamic balancing detection has become
Necessary detection project before tire shipment.At present in market in repair service, wheel is solved using dynamic balance weight is pasted on wheel rim
Dynamic equilibrium problems.Though such method surface solves dynamic equilibrium problems, for tire, damage is still vulnerable to compared with vulnerable area
It is bad, shorten tyre life, or even can cause to blow out.
Dynamic balancing disqualification rate for reducing tire can only be by the side for improving production technology level and equipment accuracy
Formula is avoided.But it updates production equipment and needs to put into more manpower and material resources, for many tire production quotient, existing rank
Section does not have this ability still.So many tire enterprises because caused by dynamic balancing disqualification rate it is still higher, and drop can only be taken
Grade or directly discarded mode are handled, and are affected to the performance of enterprises.
Summary of the invention
For above-mentioned problems of the prior art, the present invention provides a kind of repair sheets, preparation method and its user
Method, the present invention repair tire dynamic and balance using liquid phase rubber cement, can vulcanize at normal temperature, and it is one that repair sheets melt with tire
Body reduces tire waster rate, and repair technology is simple, and input cost is low.
To achieve the above object, the invention provides the following technical scheme:
A kind of repair sheets, including masterbatch 1, promotor and vulcanizing agent, the mass fraction of each component are as follows: masterbatch 1 is 660
Part, 1.2~2 parts of promotor, 2~2.5 parts of vulcanizing agent, the masterbatch 1 includes 100 parts of natural rubber, 3~6 parts of carbon black, is prevented old
1~1.5 part of agent, 2~2.5 parts of tackifying resin, 500~550 parts of zinc oxide.
Further, repair sheets further include masterbatch 2, are 0~40 part according to mass fraction, masterbatch 2 includes: natural rubber
100 parts, 40~60 parts of N774 carbon black.
Further, the carbon black in the masterbatch 1 is N339 carbon black, and the anti-aging agent is 6PPD anti-aging agent [N- (1,3- bis-
Methyl butyl)-N '-diphenyl-para-phenylene diamine], the vulcanizing agent is sulphur, and the tackifying resin is SL-T421 resin (p- tertiary fourth
Base phenolic tackifying resins), the zinc oxide is common zinc oxide or nano zine oxide.
Further, the promotor is thiazole accelerator M (2-mercaptobenzothiazole) and/or promotor ZBEC (dibenzyl
Base zinc dithiocarbamate).
In addition, the present invention also provides a kind of method for preparing above-mentioned repair sheets, the step of the repair sheets preparation method are as follows:
(1) masterbatch 1 and masterbatch 2 of repair sheets are prepared respectively with mixer or open mill；
(2) on mixer or open mill, masterbatch 1, sulphur, promotor and masterbatch 2 are kneaded, repairing is made
Glue rubber compound；
(3) rubber compound that step (2) obtains, shreds or is crushed after parking, and is dipped to swelling using solvent naphtha, using grinding
The rubber cement that obtained solid content is 40%~60% is filtered in grinding machine or the dispersion of high speed shear dispersion machine.
Further, in 1 preparation process of masterbatch, zinc oxide is added by several times, number >=2 time.
Further, for 100g repair sheets in step (3), the dosage of solvent naphtha is 250ML~350ML, and soaking time is
12 hours.
Further, using the grinder or the dispersion of high speed shear dispersion machine grinding 4 hours or more.
Except above content, the present invention also provides a kind of method using above-mentioned repair sheets, the repair sheets application method are as follows:
(1) it by tire work platform for placing to be repaired, most dubs and is placed on bottom；
(2) position is most dubbed with the polishing of dedicated sand paper wheel, removes the interleaving agent being adhered on tyre airtight layer；
(3) clast polished is removed, uses repair sheets rubber cement in polishing central location；
(4) rubber cement is brushed in polishing range with row brush uniform；
(5) it keeps being disposed vertically, repairing position is in least significant end, drying；
(6) tire dynamic and balance is detected again until qualified.
Further, the dosage of repair sheets are as follows: a.195 specification tire below takes repair sheets 45g~70g；B.195 specification
Above tire takes repair sheets 60g~90g.
Beneficial effects of the present invention are:
(1) it realizes and tire dynamic and balance is repaired by the way of liquid phase rubber cement, vulcanization, adhesiveness can be spontaneously dried
It is good, occur under high speed is durable still without peeling or obscission, can thoroughly solve the problems, such as tire dynamic and balance；
(2) the waster rate that tire is generated by dynamic equilibrium problems is reduced, the waste of resource is reduced；
(3) repair technology is convenient and simple, and input cost is low, and exploitativeness is strong, can individually set up process without influencing tire
The processes such as production, be particularly suitable for various middle-size and small-size tire enterprises；
(4) repair sheets blackness can be adjusted by increasing and decreasing the content of masterbatch 2, matched with the tire color being trimmed, with
Just the step of liquid is covered up in spraying is saved.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, below to technical solution of the present invention into
Clear, the complete description of row, based on the embodiment in the application, those of ordinary skill in the art are not making creative work
Under the premise of other similar embodiments obtained, shall fall within the protection scope of the present application.
Embodiment one:
A kind of repair sheets, including masterbatch 1, promotor and vulcanizing agent, the mass fraction of each component are as follows: masterbatch 1 is 660
Part, 1.2~2 parts of promotor, 2~2.5 parts of vulcanizing agent, the proportion of vulcanizing agent and promotor in vulcanizing system, it is ensured that repair sheets
With preferable dynamic fatigue property, while it being also resistant to certain high temperature, the masterbatch 1 includes 100 parts of natural rubber, carbon black
3~6 parts, 1~1.5 part of anti-aging agent, 2~2.5 parts of tackifying resin, 500~550 parts of zinc oxide.Repair sheets further include masterbatch 2,
It is 0~40 part according to mass fraction, masterbatch 2 includes: 100 parts of natural rubber, 40~60 parts of N774 carbon black.The masterbatch 1
In carbon black be N339 carbon black, the anti-aging agent be 6PPD anti-aging agent, the vulcanizing agent be sulphur, the tackifying resin be SL-
T421 resin, the zinc oxide are common zinc oxide or nano zine oxide, and the promotor is thiazole accelerator M and/or rush
Into agent ZBEC.
The method for preparing above-mentioned repair sheets are as follows:
(1) masterbatch 1 and masterbatch 2 of repair sheets are prepared respectively with mixer or open mill；
(2) on mixer or open mill, masterbatch 1, sulphur, promotor and masterbatch 2 are kneaded, in the step
It is eventually adding masterbatch 2, not homochromy number repair sheets rubber compound is made；
(3) it shreds or crushes after parking 4h-72h under the rubber compound room temperature that step (2) obtains, be dipped to using solvent naphtha molten
Swollen, the solvent naphtha includes 120# solvent naphtha, and for 100g repair sheets, the dosage of 120# solvent naphtha is 250ML~350ML, leaching
Steeping the time is 12 hours, use grinder or high speed shear dispersion machine disperse grinding 4 hours above, the obtained solid contents of filtering for
40%~60% rubber cement.
Zinc oxide is this formula important component, and density is larger, and main function is come by adjusting repair sheets specific gravity
Adjust tire dynamic and balance, simultaneous oxidation zinc as activator, can accelerate vulcanization of the repair sheets on tire and without other side effects,
In 1 preparation process of masterbatch, zinc oxide is added by several times, number >=2 time, to guarantee that zinc oxide uniformly divides in repair sheets
It dissipates.
Prepare masterbatch 1 and masterbatch 2 respectively using mixer, wherein 1 each component mass fraction of masterbatch are as follows: natural rubber
100 parts of glue, 3 parts of N339 carbon black, 1 part of 6PPD anti-aging agent, 2 parts of SL-T421 tackifying resin, 500 parts of zinc oxide.2 each group of masterbatch
Divide mass fraction are as follows: 100 parts of natural rubber, 40 parts of N774 carbon black.
After the masterbatch 1 and masterbatch 2 of preparation park 4h, according to mass fraction, masterbatch 1 takes 660 parts, and masterbatch 2 takes 0
Part, sulphur takes 2 parts, and thiazole accelerator M takes 0.8 part, and promotor ZBEC takes 0.4 part, mill mixing is added, repair sheets are made.
It takes repair sheets made from 100g to be cut into particle, is dissolved in the 120# solvent naphtha of 250ml, impregnate 12h swelling, use high speed shear point
It dissipates machine and 4h is dispersed with the revolving speed of 1200~1500rpm；Screen filtration detects rubber cement solid content.
Above-mentioned thiazole accelerator M as primary accelerator have the advantages that vulcanize flatness it is good, it is ageing-resistant, be not easily cracked；
Use promotor ZBEC as secondary accelerator, thiazole accelerator M can be activated, while its sulfurate activity temperature is lower, favorably
After repair sheets smearing, vulcanization on tire increases the adhesiveness between tire.
Embodiment two:
Prepare masterbatch 1 and masterbatch 2 respectively using mixer, wherein 1 each component mass fraction of masterbatch are as follows: natural rubber
100 parts of glue, 4 parts of N339 carbon black, 1.2 parts of 6PPD anti-aging agent, 2.2 parts of SL-T421 tackifying resin, 520 parts of zinc oxide.Masterbatch 2
Each component mass fraction are as follows: 100 parts of natural rubber, 45 parts of N774 carbon black.
After the masterbatch 1 and masterbatch 2 of preparation park 4h, according to mass fraction, masterbatch 1 takes 660 parts, and masterbatch 2 takes
10 parts, sulphur takes 2.2 parts, and thiazole accelerator M takes 0.9 part, and promotor ZBEC takes 0.5 part, and addition mill mixing, which is made, to be repaired
Glue.It takes repair sheets made from 100g to be cut into particle, is dissolved in the 120# solvent naphtha of 280ml, impregnate 12h swelling, use high speed
It shears dispersion machine and 4h is dispersed with the revolving speed of 1200~1500rpm；Screen filtration detects rubber cement solid content.
Embodiment three:
Prepare masterbatch 1 and masterbatch 2 respectively using mixer, wherein 1 each component mass fraction of masterbatch are as follows: natural rubber
100 parts of glue, 5 parts of N339 carbon black, 1.3 parts of 6PPD anti-aging agent, 2.3 parts of SL-T421 tackifying resin, 530 parts of zinc oxide.Masterbatch 2
Each component mass fraction are as follows: 100 parts of natural rubber, 50 parts of N774 carbon black.
After the masterbatch 1 and masterbatch 2 of preparation park 4h, according to mass fraction, masterbatch 1 takes 660 parts, and masterbatch 2 takes
30 parts, sulphur takes 2.3 parts, and thiazole accelerator M takes 1.1 parts, and promotor ZBEC takes 0.7 part, and addition mill mixing, which is made, to be repaired
Glue.It takes repair sheets made from 100g to be cut into particle, is dissolved in the 120# solvent naphtha of 320ml, impregnate 12h swelling, use high speed
It shears dispersion machine and 4h is dispersed with the revolving speed of 1200~1500rpm；Screen filtration detects rubber cement solid content.
Example IV:
Prepare masterbatch 1 and masterbatch 2 respectively using mixer, wherein 1 each component mass fraction of masterbatch are as follows: natural rubber
100 parts of glue, 6 parts of N339 carbon black, 1.5 parts of 6PPD anti-aging agent, 2.5 parts of SL-T421 tackifying resin, 550 parts of zinc oxide.Masterbatch 2
Each component mass fraction are as follows: 100 parts of natural rubber, 60 parts of N774 carbon black.
After the masterbatch 1 and masterbatch 2 of preparation park 4h, according to mass fraction, masterbatch 1 takes 660 parts, and masterbatch 2 takes
40 parts, sulphur takes 2.5 parts, and thiazole accelerator M takes 1.2 parts, and promotor ZBEC takes 0.8 part, and addition mill mixing, which is made, to be repaired
Glue.It takes repair sheets made from 100g to be cut into particle, is dissolved in the 120# solvent naphtha of 350ml, impregnate 12h swelling, use high speed
It shears dispersion machine and 4h is dispersed with the revolving speed of 1200~1500rpm；Screen filtration detects rubber cement solid content.
Embodiment five:
Rubber cement obtained in above 4 specific embodiments is used as follows respectively:
(1) it by tire work platform for placing to be repaired, most dubs and is placed on bottom；
(2) position is most dubbed with the polishing of dedicated sand paper wheel, removes the interleaving agent being adhered on tyre airtight layer；Polishing range
It is as follows:
Polishing section: the position flushed on the inside of tire with crown (cannot polish tire shoulder)；
195 specifications tire below: polishing length is 25cm；
Tires more than 195 specifications: polishing length is 30cm.
(3) clast polished is removed, uses repair sheets rubber cement in polishing central location |:
A.195 specification tire below takes repair sheets 45g~70g；
B.195 tire more than specification takes repair sheets 60g~90g；
(4) rubber cement is brushed in polishing range with row brush uniform；
(5) it keeps being disposed vertically, repairing position is in least significant end, drying；
(6) tire dynamic and balance is detected again until qualified.
It using aforesaid way full capping, not only smears uniformly, can also reduce the gap between repair sheets and tire, it can be significant
Increase adhesiveness.
Repair sheets prepared by embodiment one to four are applied on tire respectively according to five the method for embodiment, according to
GB/T 4502-1998 carries out the durable detection of high speed to tire, and testing result shows that the repair sheets energy Efficient software patching wheel movement of the foetus is flat
Weighing apparatus property, and it is still valid after the durable detection of tire high speed, embodiment one to four does not have repair sheets peeling or obscission；
In addition, repair sheets blackness is also gradually deepened as 2 number of masterbatch gradually increases in embodiment.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of repair sheets, which is characterized in that including masterbatch 1, promotor and vulcanizing agent, the mass fraction of each component are as follows: female
Refining glue 1 is 660 parts, and 1.2~2 parts of promotor, 2~2.5 parts of vulcanizing agent, the masterbatch 1 includes 100 parts of natural rubber, carbon black 3
~6 parts, 1~1.5 part of anti-aging agent, 2~2.5 parts of tackifying resin, 500~550 parts of zinc oxide.
2. repair sheets according to claim 1, which is characterized in that further include masterbatch 2, be 0~40 according to mass fraction
Part, masterbatch 2 includes: 100 parts of natural rubber, 40~60 parts of N774 carbon black.
3. repair sheets according to claim 1, which is characterized in that the carbon black in the masterbatch 1 is N339 carbon black, described
Anti-aging agent is 6PPD anti-aging agent, and the vulcanizing agent is sulphur, and the tackifying resin is SL-T421 resin.
4. repair sheets according to claim 1, which is characterized in that the promotor is thiazole accelerator M and/or promotion
Agent ZBEC.
5. a kind of method for preparing any repair sheets of claim 1-4, which is characterized in that the repair sheets preparation method
The step of are as follows:
(1) masterbatch 1 and masterbatch 2 of repair sheets are prepared respectively with mixer or open mill；
(2) on mixer or open mill, masterbatch 1, sulphur, promotor and masterbatch 2 are kneaded, it is mixed that repair sheets are made
Refining glue；
(3) rubber compound that step (2) obtains, shreds or is crushed after parking, and swelling is dipped to using solvent naphtha, using grinder
Or the rubber cement that solid content is 40%~60% is made in the dispersion of high speed shear dispersion machine, filtering.
6. the preparation method of repair sheets according to claim 5, which is characterized in that in 1 preparation process of masterbatch, oxygen
Change zinc to be added by several times, number >=2 time.
7. the preparation method of repair sheets according to claim 5, which is characterized in that for 100g repair sheets in step (3),
The dosage of solvent naphtha is 250ML~350ML, and soaking time is 12 hours.
8. the preparation method of repair sheets according to claim 5, which is characterized in that use the grinder or high speed shear
Dispersion machine dispersion grinding 4 hours or more.
9. a kind of method using any repair sheets of claim 1-4, which is characterized in that the repair sheets application method
Are as follows:
(1) it by tire work platform for placing to be repaired, most dubs and is placed on bottom；
(2) position is most dubbed with the polishing of dedicated sand paper wheel, removes the interleaving agent being adhered on tyre airtight layer；
(3) clast polished is removed, uses repair sheets rubber cement in polishing central location；
(4) rubber cement is brushed in polishing range with row brush uniform；
(5) it keeps being disposed vertically, repairing position is in least significant end, drying；
(6) tire dynamic and balance is detected again until qualified.
10. repair sheets application method according to claim 9, which is characterized in that the dosage of repair sheets are as follows:
A.195 specification tire below takes repair sheets 45g~70g；
B.195 tire more than specification takes repair sheets 60g~90g.
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| CN201710754942.2A CN107418474B (en) | 2017-08-29 | 2017-08-29 | A kind of repair sheets, preparation method and its application method |
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| CN201710754942.2A CN107418474B (en) | 2017-08-29 | 2017-08-29 | A kind of repair sheets, preparation method and its application method |
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| CN107418474B true CN107418474B (en) | 2019-11-26 |
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| CN109929165A (en) * | 2019-02-18 | 2019-06-25 | 朝阳浪马轮胎有限责任公司 | A kind of short vulcanization tyre patching rubber material and its production technology |
| CN110003723A (en) * | 2019-04-08 | 2019-07-12 | 中策橡胶集团有限公司 | A kind of tire dynamic and balance amendment rubber cement and preparation method thereof |
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| CN101434718B (en) * | 2008-12-15 | 2011-01-19 | 昊华南方(桂林)橡胶有限责任公司 | Giant engineering machinery tyre repair adhesive and preparation thereof |
| CN102898688A (en) * | 2011-07-25 | 2013-01-30 | 孙玉和 | Giant tire retreading repair glue |
| CN104262699B (en) * | 2014-09-10 | 2016-08-17 | 中国化工集团曙光橡胶工业研究设计院有限公司 | A kind of steel wire cover repair sheets renovating meridian aviation tyre and application thereof |
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