CN110408088A - A kind of resistance to puncture and tear-proof tread slab base and preparation method thereof - Google Patents
A kind of resistance to puncture and tear-proof tread slab base and preparation method thereof Download PDFInfo
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- CN110408088A CN110408088A CN201910744164.8A CN201910744164A CN110408088A CN 110408088 A CN110408088 A CN 110408088A CN 201910744164 A CN201910744164 A CN 201910744164A CN 110408088 A CN110408088 A CN 110408088A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
- B60C1/0016—Compositions of the tread
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to field of rubber technology, and in particular to a kind of resistance to puncture and tear-proof tread slab base and preparation method thereof.Natural rubber, carbon black, white carbon black, silane coupling agent, anti-aging agent, graphene oxide, modified DCPD resin, zinc oxide, stearic acid, promotor, sulphur, anti-recovery agent and antiscorching agent are carried out one section of mixing, two-stage mixing and three-stage mixing by mixer and the tear-resistant and tread slab base of resistance to puncture are prepared by the present invention.Modified DCPD resin, graphene oxide and anti-recovery agent are applied in All-steel tire tread slab base by the present invention in proper proportions, realize the complementation of respective characteristic, it is able to ascend the All-steel tire tear resistance of tyre surface bottom of trench base rubber, thorn resistance energy, ageing-resistant performance and anti-reversion behaviour in use, to improve the service life of All-steel tire.
Description
Technical field
The invention belongs to field of rubber technology, and in particular to a kind of resistance to puncture and tear-proof tread slab base and its preparation side
Method.
Background technique
Some Domestic engineering machine vehicle is often travelled in more severe road, and the base rubber of tyre tread bottom of trench is easy to
There is the problem of bottom of trench is split by the puncture of rubble and cutting, groove bottom, which is split, will lead to that tread chunking occurs in tire or hat is quick-fried
The problem of, so that Life of Tyre and security performance are greatly lowered.Therefore more severe to some use conditions
Area, it is desirable that All-steel tire tread slab base has the characteristic of certain resistance to puncture and tear-proof.
Summary of the invention
Technical problem to be solved by the present invention lies in view of the above shortcomings of the prior art, provide a kind of resistance to puncture and
Tear-proof tread slab base and preparation method thereof.Tread slab base of the invention can improve All-steel tire and use
The tear resistance, thorn resistance energy of tyre surface bottom of trench base rubber, ageing-resistant performance and anti-reversion behaviour in journey, to improve complete
The service life of steel wheel tire.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of resistance to puncture and tear-proof tread base
Glue and preparation method thereof, which is characterized in that the tread slab base and preparation method thereof has the feature that
A kind of resistance to puncture and tear-proof tread slab base, by weight, formula rate is as follows: 100 parts of natural rubber, charcoal
Black 25~45 parts, 5~20 parts of white carbon black, 0.5~3 part of silane coupling agent, 0.1~0.3 part of graphene oxide, zinc oxide 2~5
Part, 1~3 part of stearic acid, 2~4 parts of anti-aging agent, 1~4 part of modified DCPD resin, 1~2 part of protection wax, 1~3 part of accelerator NS,
1~3 part of sulphur, 0.1~1 part of anti-recovery agent, 0.1~0.5 part of anti-scorching agent CTP.
The carbon black is N220 or N234, and the white carbon black is HD165MP or HD175MP.
The anti-recovery agent is bis- (N, N- diphenyl thiocarbamoyl two the are thio) hexanes of 1,6-.
The anti-aging agent is two or three in antioxidant 4020, anti-aging agent RD or anti-aging agent 3100.
The silane coupling agent is silane coupling agent Si69 or silane coupling agent Si75.
The sulphur is insoluble sulfur or sulphur powder.
The modified DCPD resin is phenol-modified dcpd resin.
The preparation method of the resistance to puncture and tear-proof tread slab base, includes the following steps:
(1) one section of mixing: successively by 100 parts of natural rubber, 15~35 parts of carbon black, 0.1~0.3 part of graphene oxide, white
5~20 parts of carbon black, 2~5 parts of zinc oxide, is plasticated in 1~3 part of investment mixer of stearic acid at 0.5~4 part of silane coupling agent
120~135s, ram piston pressure are 4.0~5.5MPa, and rotor speed is 45~55r/min, and dump temperature is 155~160 DEG C,
Obtain one section of rubber compound;
(2) two-stage mixing: by one section of rubber compound, 3~10 parts of carbon black, 2~4 parts of anti-aging agent, modified DCPD obtained by step (1)
It is kneaded in 1~2 part of 1~4 part of resin, protection wax investment mixer, ram piston pressure is 4.0~5.5MPa, rotor speed
For 45~55r/min, dump temperature is 145~150 DEG C, and the time is 110~125s, obtains two-stage mixing glue;
(3) three-stage mixing: two-stage mixing glue, 1~3 part of promotor, 1~3 part of sulphur, sulfuration resistant obtained by step (3) are returned
Carrying out 100~115s of mixing in 0.1~0.5 part of 0.1~1 part of former agent, anti-scorching agent CTP investment mixer, rotor speed is 20~
40r/min, ram piston pressure are 4.0~5.5MPa, and dump temperature is 100~110 DEG C, obtain tread rubber finished product.
The rubber compound storage period that one section of mixing, two-stage mixing and three-stage mixing obtain is no less than 8 hours.
Compared with prior art, the invention has the following advantages that
Added with modified dicyclopentadiene (abbreviation DCPD resin) in sizing compound formula of the present invention, modified DCPD resin have compared with
High softening point and molecule side group steric hindrance hysteresis quality, can promote the anti-puncture performance of tread slab base;Graphene oxide tool
There are higher specific surface area and surface-active, the tear resistance of tread slab base can be promoted;Anti-recovery agent can be with shape
Stablize mixing cross-bond flexible at having, promotes the anti-reversion behaviour and ageing-resistant performance of tread slab base, while again
The heat of tread slab base can be reduced.In proper proportions by modified DCPD resin, graphene oxide and anti-recovery agent
Applied in All-steel tire tread slab base, the complementation of respective characteristic is realized, can promote the resistance to of All-steel tire tread slab base
Puncture and tear resistance.
Technical solution of the present invention is described further combined with specific embodiments below.
Specific embodiment
Embodiment 1
A kind of preparation method of resistance to puncture and tear-proof tread slab base, comprising the following steps:
(1) one section of mixing: according to parts by weight, by 100 parts of natural rubbers, 28 parts of N234 carbon blacks, 0.1 part of graphite oxide
Alkene, 10 parts of HD175MP white carbon blacks, 2 parts of silane coupling agent Si69,3.5 parts of zinc oxide, 2 parts of stearic acid put into BB430 type mixer
In plasticate 120 seconds, ram piston pressure 5.5MPa, rotor speed 50r/min, dump temperature be 160 DEG C, obtain one section
Rubber compound is parked 8 hours;
(2) two-stage mixing: one section of rubber compound, 6 parts of N234 carbon blacks, 1.5 parts of anti-aging agent RDs, 2 parts of anti-aging agents after parking
4020,2 parts of phenol-modified dcpd resins, 1 part of B type microcrystalline wax, which are put into BB430 type mixer, be kneaded 115 seconds,
Ram piston pressure is 5.5MPa, and rotor speed 50r/min, dump temperature is 150 DEG C, obtains two-stage mixing glue, it is small to park 8
When;
(3) three-stage mixing: two-stage mixing glue, 1.1 parts of insoluble sulfurs, 1.5 parts of accelerator NSs, 1, the 6- after parking are bis-
It is carried out in 0.2 part and 0.2 part anti-scorching agent CTP investment GK255N type mixer of (N, N- diphenyl thiocarbamoyl two are thio) hexane
It is kneaded 110 seconds, rotor speed 35r/min, ram piston pressure 5.5MPa, dump temperature is 105 DEG C, parks 8 hours, obtains
Tread rubber finished product.
Embodiment 2
A kind of preparation method of resistance to puncture and tear-proof tread slab base, comprising the following steps:
(1) one section of mixing: by 100 parts of natural rubbers, 30 parts of N220 carbon blacks, 0.2 part of graphene oxide, 13 parts of HD175MP
White carbon black, 3.5 parts of zinc oxide, carries out plasticating 120 in 2 parts of stearic acid investment BB430 type mixers at 2 parts of silane coupling agent Si75
Second, ram piston pressure 5.5MPa, rotor speed 50r/min, dump temperature are 160 DEG C, obtain one section of rubber compound, park 10
Hour;
(2) two-stage mixing: one section of rubber compound, 5 parts of N220 carbon blacks, 1.5 parts of anti-aging agent RDs after parking, 1.5 parts it is anti-old
The phenol-modified dcpd resin of 4020,1 parts of agent, 3100,3 parts of anti-aging agent, 1.2 parts of B type microcrystalline waxes put into the mixing of BB430 type
It is kneaded in machine, ram piston pressure 5.5MPa, rotor speed 50r/min, dump temperature is 150 DEG C, the time 115
Second, two-stage mixing glue is obtained, is parked 10 hours;
(3) three-stage mixing: two-stage mixing glue, 0.9 part of sulphur powder, 1.6 parts of accelerator NSs, 1,6- after parking it is bis- (N,
N- diphenyl thiocarbamoyl two is thio) it is mixed in hexane 0.3 part and 0.2 part anti-scorching agent CTP investment GK255N type mixer
Refining 110 seconds, rotor speed 35r/min, ram piston pressure 5.5MPa, dump temperature are 105 DEG C, park 10 hours, obtain
Tread rubber finished product.
Embodiment 3
A kind of preparation method of resistance to puncture and the all-steel radial ply tyre tread base of tear-proof, comprising the following steps:
(1) one section of mixing: 100 parts of natural rubbers, 30 parts of N234 carbon blacks, 0.3 part of graphene oxide, 7 parts of HD165MP are white
Carbon black, 1 part of silane coupling agent Si69,3.5 parts of zinc oxide, 2 parts of stearic acid put into BB430 type mixers and plasticate 120 seconds,
Ram piston pressure is 5.5MPa, and rotor speed 50r/min, dump temperature is 160 DEG C, obtains one section of rubber compound, it is small to park 12
When;
(2) two-stage mixing: one section of rubber compound, 8 parts of N234 carbon blacks, 1 part of anti-aging agent RD, 2 parts of anti-aging agents after parking
4020,0.8 part of anti-aging agent, 3100,3 parts of phenol-modified dcpd resins, 1 part of B type microcrystalline wax put into BB430 type mixer
In carry out be kneaded 115 seconds, ram piston pressure 5.5MPa, rotor speed 50r/min, dump temperature be 150 DEG C, obtain two sections
Rubber compound is parked 12 hours;
(3) three-stage mixing: two-stage mixing glue, 1 part of sulphur powder, 1.7 parts of accelerator NSs, 1,6- bis- (N, N- after parking
Diphenyl thiocarbamoyl two is thio) it is kneaded in hexane 0.25 part and 0.1 part anti-scorching agent CTP investment GK255N type mixer
110 seconds, rotor speed 35r/min, ram piston pressure 5.5MPa, dump temperature was 105 DEG C, parks 12 hours, obtains tire
Face glue finished product.
Comparative example
Modified dicyclopentadiene, graphite oxide and anti-recovery agent are not added in comparative example sizing compound formula, remaining condition
It is identical as comparative example 1, comparison sizing material is made.
At 151 DEG C, vulcanization 30 minutes is carried out to the obtained tread slab base of 1-3 of the embodiment of the present invention and comparison sizing material,
The physical property measurement parameter of obtained vulcanizate is shown in Table 1.
The tread slab base and the physical parameter after comparison rubber vulcanization of 1 1-3 of the embodiment of the present invention of table preparation
From a kind of table it can be seen that the hardness of sizing material, 300% stress at definite elongation, tearing strength and deflecting tortoise in embodiment 1-3
Split number be higher than comparison sizing material, may indicate that embodiment base rubber resistance to puncture, tear-proof and warping strength cracking performance be better than pair
Compare sizing material.The compression heat generation value of embodiment 1-3 sizing material lower than comparison sizing material, may indicate that the heat of embodiment base rubber lower than pair
Compare sizing material.In cure data, the time of T90 and T100 show that the curingprocess rate of embodiment 1-3 sizing material is slow compared with comparison sizing material;And
The numerical value of S'@59min and S'@MH, may indicate that embodiment base rubber anti-reversion behaviour and ageing-resistant performance better than pair
Compare sizing material.
Embodiment described above describes the invention in detail.But it is to be understood that, the foregoing is merely
Specific embodiments of the present invention are not intended to restrict the invention.All any modifications made in spirit of the invention, benefit
Fill with equivalent replacement etc., it should be included within the scope of the present invention.
Claims (9)
1. a kind of resistance to puncture and tear-proof tread slab base, which is characterized in that by weight, formula rate is as follows: natural rubber
100 parts of glue, 25~45 parts of carbon black, 5~20 parts of white carbon black, 0.5~3 part of silane coupling agent, graphene oxide 0.1~0.3
Part, promotees 2~5 parts of zinc oxide, 1~3 part of stearic acid, 2~4 parts of anti-aging agent, 1~4 part of modified DCPD resin, 1~2 part of protection wax
Into 1~3 part of agent NS, 1~3 part of sulphur, 0.1~1 part of anti-recovery agent, 0.1~0.5 part of anti-scorching agent CTP.
2. resistance to puncture and tear-proof tread slab base according to claim 1, which is characterized in that the carbon black be N220 or
N234, the white carbon black are HD165MP or HD175MP.
3. resistance to puncture and tear-proof tread slab base according to claim 1, which is characterized in that the anti-recovery agent is
1,6- bis- (N, N- diphenyl thiocarbamoyl two are thio) hexanes.
4. resistance to puncture and tear-proof tread slab base according to claim 1, which is characterized in that the anti-aging agent is anti-aging agent
4020, two or three in anti-aging agent RD or anti-aging agent 3100.
5. resistance to puncture and tear-proof tread slab base according to claim 1, which is characterized in that the silane coupling agent is silicon
Alkane coupling agent Si69 or silane coupling agent Si75.
6. resistance to puncture and tear-proof tread slab base according to claim 1, which is characterized in that the sulphur is insoluble sulfur
Sulphur or sulphur powder.
7. resistance to puncture and tear-proof tread slab base according to claim 1, which is characterized in that the modified DCPD resin is
Phenol-modified dcpd resin.
8. the preparation method of resistance to puncture and tear-proof tread slab base described in claim 1, which is characterized in that including walking as follows
It is rapid:
(1) one section of mixing: successively by 100 parts of natural rubber, 15~35 parts of carbon black, 0.1~0.3 part of graphene oxide, white carbon black
5~20 parts, 0.5~4 part of silane coupling agent, 2~5 parts of zinc oxide, carry out plasticating 120 in 1~3 part of investment mixer of stearic acid
~135s, ram piston pressure are 4.0 ~ 5.5MPa, and rotor speed is 45 ~ 55r/min, and dump temperature is 155 ~ 160 DEG C, obtain one
Section rubber compound;
(2) two-stage mixing: by one section of rubber compound, 3~10 parts of carbon black, 2~4 parts of anti-aging agent, modified DCPD tree obtained by step (1)
It is kneaded in 1~2 part of 1~4 part of rouge, protection wax investment mixer, ram piston pressure is 4.0 ~ 5.5MPa, rotor speed 45
~ 55 r/min, dump temperature are 145~150 DEG C, and the time is 110~125s, obtains two-stage mixing glue;
(3) three-stage mixing: by two-stage mixing glue, 1~3 part of promotor, 1~3 part of sulphur, anti-recovery agent obtained by step (3)
0.1~1 part, 100~115s of mixing is carried out in 0.1~0.5 part of investment mixer of anti-scorching agent CTP, rotor speed is 20 ~ 40r/
Min, ram piston pressure are 4.0 ~ 5.5MPa, and dump temperature is 100 ~ 110 DEG C, obtain tread rubber finished product.
9. the preparation method of resistance to puncture and tear-proof tread slab base according to claim 8, which is characterized in that described one section
It is kneaded, the rubber compound storage period that two-stage mixing and three-stage mixing obtain is no less than 8 hours.
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112812452A (en) * | 2020-12-30 | 2021-05-18 | 山东豪迈气门嘴有限公司 | Butyl inflating valve rubber compound with high tear resistance and preparation method thereof |
CN112920473A (en) * | 2021-01-25 | 2021-06-08 | 三角轮胎股份有限公司 | All-steel tread bottom rubber composition with low deformation rigidity and anti-groove crack performance and tire |
CN113087977A (en) * | 2021-04-28 | 2021-07-09 | 青岛双星轮胎工业有限公司 | Tread rubber composition with high wear resistance and preparation method thereof |
CN114181487A (en) * | 2021-12-25 | 2022-03-15 | 温州市瓯海金龙鞋业有限公司 | Anti-aging shoe and production process thereof |
CN115260606A (en) * | 2022-07-15 | 2022-11-01 | 山东玲珑轮胎股份有限公司 | Bias tire tread rubber material and preparation method and application thereof |
US11981161B1 (en) * | 2022-12-29 | 2024-05-14 | Guizhou Tyre Co., Ltd. | All-steel tire with 100% definite elongations of upper and lower treads being interrelated to each other |
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CN105254854A (en) * | 2015-11-17 | 2016-01-20 | 北京彤程创展科技有限公司 | Resin for improving rubber tear resistance, preparation method and application of resin |
WO2019132866A1 (en) * | 2017-12-27 | 2019-07-04 | Compagnie Generale Des Etablissements Michelin | Rubber compositions with reduced graphene oxide |
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CN101381482A (en) * | 2008-10-09 | 2009-03-11 | 江苏通用科技股份有限公司 | All-steel radial ply tyre tread base and preparation method thereof |
CN103275368A (en) * | 2012-02-23 | 2013-09-04 | 北京化工大学 | Method for preparing graphene oxide/white carbon black/rubber nanocomposite by mechanical blending |
CN105254854A (en) * | 2015-11-17 | 2016-01-20 | 北京彤程创展科技有限公司 | Resin for improving rubber tear resistance, preparation method and application of resin |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112812452A (en) * | 2020-12-30 | 2021-05-18 | 山东豪迈气门嘴有限公司 | Butyl inflating valve rubber compound with high tear resistance and preparation method thereof |
CN112920473A (en) * | 2021-01-25 | 2021-06-08 | 三角轮胎股份有限公司 | All-steel tread bottom rubber composition with low deformation rigidity and anti-groove crack performance and tire |
CN113087977A (en) * | 2021-04-28 | 2021-07-09 | 青岛双星轮胎工业有限公司 | Tread rubber composition with high wear resistance and preparation method thereof |
CN114181487A (en) * | 2021-12-25 | 2022-03-15 | 温州市瓯海金龙鞋业有限公司 | Anti-aging shoe and production process thereof |
CN115260606A (en) * | 2022-07-15 | 2022-11-01 | 山东玲珑轮胎股份有限公司 | Bias tire tread rubber material and preparation method and application thereof |
US11981161B1 (en) * | 2022-12-29 | 2024-05-14 | Guizhou Tyre Co., Ltd. | All-steel tire with 100% definite elongations of upper and lower treads being interrelated to each other |
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