CN105111519A - Fire fighting truck tire tread rubber composition - Google Patents
Fire fighting truck tire tread rubber composition Download PDFInfo
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- CN105111519A CN105111519A CN201510532414.3A CN201510532414A CN105111519A CN 105111519 A CN105111519 A CN 105111519A CN 201510532414 A CN201510532414 A CN 201510532414A CN 105111519 A CN105111519 A CN 105111519A
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Abstract
The invention relates to a fire fighting truck tire tread rubber composition which is composed of the following raw materials in parts by weight: 80-120 parts of base rubber, 40-60 parts of carbon black, 10-30 parts of flame retardant, 1.5-3.5 parts of anti-aging agent, 4-8 parts of activator, 1-2 parts of vulcanizing agent, 1-2 parts of accelerator, 0-0.3 part of anti-scorching agent, 0-0.1 part of peptizer, 1-2 parts of protective wax and 1.5-3.5 parts of magnesium oxide. The tire is especially used for fire fighting trucks, has very high flame retardancy and acid/alkali resistance, and ensures the running safety factor of the fire fighting truck to some extent in a severe fire fighting rescue environment.
Description
Technical field
The present invention relates to a kind of fire truck special tyre tyre surface formula formula of field of rubber technology, there is comparatively high flame retardant corrosion resistance nature.
Background technology
Tire is one of most important parts of automobile, and fire-fighting and rescue tire need be in the severe environment such as fire, and the higher safety performance on-the-spot in fire fighting of fire performance of tire is higher.For the fire-retardant corrosion resistant Tire tread rubber composition of Environment Design that engine company uses.For reply fire rescue scene has the situation of flame, acid and alkali corrosion thing, better carry out rescue work, improve the safety coefficient that fire-fighting vehicle uses in scene of fire, design the tire tread that fire-retardant corrosion-resistant fire truck is special.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of fire rescue scene of tackling and has the situation of flame, acid and alkali corrosion thing, better carry out rescue work, improve the safety coefficient that fire-fighting vehicle uses in scene of fire, design the fire-retardant corrosion-resistant fire truck Tire tread rubber composition of the special tire used of fire-retardant corrosion-resistant fire truck.
For solving the problems of the technologies described above, the invention provides a kind of fire truck Tire tread rubber composition, according to parts by weight, it is made up of following starting material: base rubber 80-120 part, carbon black 40-60 part, fire retardant 10-30 part, anti-aging agent 1.5-3.5 part, promoting agent 4 ~ 8 parts, vulcanizing agent 1-2 part, promotor 1-2 part, scorch retarder 0-0.3 part, peptizer 0-0.1 part, protection wax 1-2 part, magnesium oxide 1.5-3.5 part.
Wherein said base rubber is for be made up of natural rubber and chloroprene rubber, and promoting agent is made up of zinc oxide-80 and stearic acid, and carbon black is high abrasion furnace black(HAF) N234, and vulcanizing agent is Sulfur.
Natural rubber in base rubber is mark glue 20#.
According to parts by weight, the natural rubber in described base rubber is 60-80 part, chloroprene rubber is 20-40 part, and the zinc oxide-80 in promoting agent is 4-6 part, stearic acid is 0-2 part.
According to parts by weight, composition is made up of following starting material: base rubber 100 parts, carbon black N234 are 30 parts, fire retardant 25 parts, 3.5 parts, anti-aging agent, promoting agent 4 ~ 6 parts, vulcanizing agent 1.2 parts, promotor 1.5 parts, scorch retarder 0.3 part;
In described activator, zinc oxide-80 is 5.0 parts, and all the other are stearic acid.
In described fire retardant, by chlorinated paraffin-70 be 15 parts, antimonous oxide is 10 parts and forms.Described promotor is N tert butyl benzothiazole 2 sulfenamide, and described scorch retarder is N-cyclohexylthiophthalimide.
Described anti-aging agent can be respectively any one in N (1,3-dimethylbutyl)-N ˋ-diphenyl-para-phenylene diamine, 2,2,4-trimethylammonium-1,2-dihyaroquinolines and Microcrystalline Wax, or is combined by any two kinds or three kinds in three.
The preparation method of fire truck tire sidewall rubber combination, rubber compounding divides two-stage mixing, and one section mixing carries out in E type kneading type Banbury mixer, and rotor speed control is at 40rmin
-1, reinforced order is successively: natural gum, high-cis cis-butadiene cement, chloroprene rubber, carbon black, clorafin, antimonous oxide, stearic acid, octyl group phenolic tackifying resins, anti-aging agent, Microcrystalline Wax and aromatic hydrocarbon oil, and dump temperature controls at 135-145 DEG C; Refining is carried out in N-type Banbury mixer eventually, and rotor speed control is at 20rmin
-1, order of addition(of ingredients) is followed successively by: one section of rubber master batch, zinc oxide, promotor, scorch retarder, dump temperature controls at 95 ~ 105 DEG C.
The invention has the beneficial effects as follows: tire of the present invention is the special tire of fire truck, has very high flame retardant resistance, resistance to acids and bases, the safety coefficient that guarantee fire truck to a certain degree travels under fire-fighting and rescue rugged environment.
Polymkeric substance adopts natural rubber and chloroprene rubber, chloroprene rubber due to containing chlorine atom, so be the rubber in conventional rubber with flame resistivity.Chloroprene rubber has excellent solvent resistance, oil resistance and acid-proof alkaline.Because chloroprene rubber has very high intensity and greater density, mix ratio 70:30 with natural gum.Chloroprene rubber mixing heat-dissipating is large, easy incipient scorch, easy roll banding, and its melting temperature should be lower.In additive, fire retardant uses chlorinated paraffin-70 and antimonous oxide, can produce synergistic effect, strengthens flame retardant properties.Process aspect adopts variable-speed calendering and sizing material order to overcome the shortcomings such as chloroprene rubber poor processability, combines the excellent properties of various rubber, not only improves the fire-retardant corrosion resistance nature of tire but also ensure the smooth and easy of complete processing.
Embodiment
The tyre surface formula of fire truck special tyre.Tire is the composition of many kinds of substance, those skilled in the art are readily understood that, in the embodiment of tyre performance, tread mix performance plays key effect, relative tyre surface formula becomes key problem in technology point, is described in detail below to the tyre surface formula proportioning of tire gordian technique point.
Component or formula: in weight proportion
Tyre surface formula
Complete processing or method
Tread mix mixing point of three-stage mixing.One section mixing carries out in E type kneading type Banbury mixer, rotor speed 40rmin
-1, order of addition(of ingredients) is: natural gum, chloroprene rubber → carbon black → carry bolt → binder removal (dump temperature 135-145 DEG C), and object is rubber plastic steelmaking effect, prevents melting temperature more than 145 DEG C.Two-stage mixing rotor speed 35rmin
-1, sizing material order is: one section of rubber master batch, clorafin, antimonous oxide, stearic acid, anti-aging agent, Microcrystalline Wax and carbon black N234 → carry bolt → binder removal (135-145 DEG C); Object is the further hybrid reaction of fire retardant and sizing material, and the hardness of sizing material and proportion increase, and the incipient scorch temperature of chloroprene rubber is less than 145 DEG C, needs fully to ensure that rubber compounding temperature can not more than 145 DEG C at guarantee rubber compounding simultaneously.Refining is carried out in N-type Banbury mixer eventually, rotor speed 20rmin
-1, order of addition(of ingredients): two sections of section rubber master batch → zinc oxide, magnesium oxide, promotor, scorch retarder → binder removal (dump temperature 95 ~ 105 DEG C).Zinc oxide can accelerate vulcanization rate can improve state of vulcanization again, and magnesium oxide does activator and vulcanizing agent effect, and therefore add in refining eventually, Sulfur and promotor add at lesser temps, to avoid scorching.
Complex extruder has carried out work in-process extrusion to tread mix, under identical extrusion line speed, fire-fighting tire sidewall rubber material does not have considerable change with indexs such as tread mix work in-process extrusion temperature, electric currents compared with normal tire sidewall tyre surface, extrude smooth five bubbles of surface of semi-finished, dimensional stabilizing, section compactness are better.Joint technique stickiness in shaping use procedure is relatively good, and joint cracking phenomenon does not appear in finished product tire base depositing in process before sulfuration, and vulcanised tyre visual appearance is normal.
Polymkeric substance adopts natural rubber and chloroprene rubber, chloroprene rubber due to containing chlorine atom, so be the rubber in conventional rubber with flame resistivity.Chloroprene rubber has excellent solvent resistance, oil resistance and acid-proof alkaline.Because chloroprene rubber has very high intensity and greater density, mix ratio 70:30 with natural gum.Chloroprene rubber mixing heat-dissipating is large, easy incipient scorch, easy roll banding, and its melting temperature should be lower.In additive, fire retardant uses chlorinated paraffin-70 and antimonous oxide, can produce synergistic effect, strengthens flame retardant properties.
Process aspect adopts variable-speed calendering and sizing material order to overcome the shortcomings such as chloroprene rubber poor processability, combines the excellent properties of various rubber, not only improves the fire-retardant corrosion resistance nature of tire but also ensure the smooth and easy of complete processing.
Anti-aging agent, promotor, promoting agent, vulcanizing agent etc. are conventional cooperation.
Fire-retardant corrosion-resistant fire truck tire tread rubber combination, according to parts by weight, it is made up of following starting material: base rubber 100 parts, carbon black N23430 part, fire retardant 25 parts, 3.5 parts, anti-aging agent, promoting agent 4 ~ 6, vulcanizing agent 1.2 parts, promotor 1.5 parts, scorch retarder 0.3 part; Wherein base rubber is natural rubber and chloroprene rubber, and promoting agent is made up of zinc oxide-80 and stearic acid, and carbon black is novel process high structure high abrasion furnace black(HAF) N234, and vulcanizing agent is Sulfur.Base rubber is mark glue 20# and chloroprene rubber.In described activator, zinc oxide-80 is 5.0, and all the other are stearic acid.In described fire retardant, chlorinated paraffin-70 is 15 parts, and antimonous oxide is 10 parts.In described resin, it is bimodal Microcrystalline Wax.Described promotor is N tert butyl benzothiazole 2 sulfenamide.Described anti-aging agent is N (1,3-dimethylbutyl)-N ˋ-diphenyl-para-phenylene diamine, 2,2,4-trimethylammonium-1,2-dihyaroquinolines and Microcrystalline Wax three and uses.Described scorch retarder is N-cyclohexylthiophthalimide.
Physical and mechanical properties
Third party detects: logical mark standard technique service (Tianjin) company limited
1. test event: oxygen index
Sample description: batten
Testing method: GB/T10707-2008 method A
Test condition:
Sample: 108mm × 6.5mm × 3.6mm
Laboratory environment condition: 23 ± 2 DEG C, 50 ± 55RH
Test result:
Remarks: combustion phenomena: burn, sunset glow.
2. test event: glow wire test (GWEPT)
Sample description: tire
Testing method: GB/T5169-11-2006 and customer requirement
Sample pretreatment condition:
Pretreatment condition: 24h/ (15-35) DEG C/(45-75) %RH
Sample test front surface is without clean
Laboratory environment:
Laboratory temperature: (15-35) DEG C
Humidity level :≤75%RH
Test result:
Remarks:
1.t
athe time of-applying glowing filament;
2.t
i-from glowing filament top applies to the time length of shop fixtures layer ignition below test sample or laboratory sample;
3.t
e-from glowing filament top applies to time length of fray-out of flame, fray-out of flame may during applying or afterwards;
4. judging basis:
A) sample does not have ignition, or
B) following all situations is met during ignition:
I. extinguish in the flame of test sample or scorching hot after removing glowing filament 30 seconds, both t
e≤ t
a+ 30s; With
Ii. the packaging silk paper of bottom does not have ignition.
Claims (10)
1. fire truck Tire tread rubber composition, it is characterized in that, according to parts by weight, it is made up of following starting material: base rubber 80-120 part, carbon black 40-60 part, fire retardant 10-30 part, anti-aging agent 1.5-3.5 part, promoting agent 4 ~ 8 parts, vulcanizing agent 1-2 part, promotor 1-2 part, scorch retarder 0-0.3 part, peptizer 0-0.1 part, protection wax 1-2 part, magnesium oxide 1.5-3.5 part.
2. fire truck Tire tread rubber composition according to claim 1, it is characterized in that, wherein said base rubber is for be made up of natural rubber and chloroprene rubber, and promoting agent is made up of zinc oxide-80 and stearic acid, carbon black is high abrasion furnace black(HAF) N234, and vulcanizing agent is Sulfur.
3. fire truck Tire tread rubber composition according to claim 2, is characterized in that, the natural rubber in base rubber is mark glue 20#.
4. fire truck Tire tread rubber composition according to claim 2, it is characterized in that, according to parts by weight, the natural rubber in described base rubber is 60-80 part, chloroprene rubber is 20-40 part, and the zinc oxide-80 in promoting agent is 4-6 part, stearic acid is 0-2 part.
5. fire truck Tire tread rubber composition according to claim 2, it is characterized in that, according to parts by weight, composition is made up of following starting material: base rubber 100 parts, carbon black N234 are 30 parts, fire retardant 25 parts, 3.5 parts, anti-aging agent, promoting agent 4 ~ 6 parts, vulcanizing agent 1.2 parts, promotor 1.5 parts, scorch retarder 0.3 part.
6. fire truck Tire tread rubber composition according to claim 2, is characterized in that, in described activator, zinc oxide-80 is 5.0 parts, and all the other are stearic acid.
7. fire truck Tire tread rubber composition according to claim 1, is characterized in that, in described fire retardant, by chlorinated paraffin-70 be 15 parts, antimonous oxide is 10 parts and forms.
8. fire truck Tire tread rubber composition according to claim 1, is characterized in that, described promotor is N tert butyl benzothiazole 2 sulfenamide, and described scorch retarder is N-cyclohexylthiophthalimide.
9. fire truck Tire tread rubber composition according to claim 1, it is characterized in that, described anti-aging agent can be respectively N(1,3-dimethylbutyl)-N ˋ-diphenyl-para-phenylene diamine, 2,2, any one in 4-trimethylammonium-1,2-dihyaroquinoline and Microcrystalline Wax, or combined by any two kinds or three kinds in three.
10. according to the preparation method of the arbitrary described fire truck Tire tread rubber composition of claim 1 to 9, it is characterized in that, tread mix mixing point of three-stage mixing, wherein, one section mixing carries out in E type kneading type Banbury mixer, and rotor speed control is at 40rmin
-1, order of addition(of ingredients) is followed successively by: natural gum, chloroprene rubber, and dump temperature controls at 135-145 DEG C; Two-stage mixing rotor speed control is at 35rmin
-1, sizing material order is followed successively by: one section of rubber master batch, clorafin, antimonous oxide, stearic acid, anti-aging agent, Microcrystalline Wax and carbon black N234, and dump temperature controls at 135-145 DEG C; Refining is carried out in N-type Banbury mixer eventually, and rotor speed control is at 20rmin
-1, order of addition(of ingredients) is followed successively by: two sections of section rubber master batch, zinc oxide, magnesium oxide, promotor, scorch retarder, dump temperature controls at 95 ~ 105 DEG C.
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| CN201510532414.3A CN105111519A (en) | 2015-08-26 | 2015-08-26 | Fire fighting truck tire tread rubber composition |
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| CN201510532414.3A CN105111519A (en) | 2015-08-26 | 2015-08-26 | Fire fighting truck tire tread rubber composition |
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Cited By (7)
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| CN106009127A (en) * | 2016-06-23 | 2016-10-12 | 山东永泰集团有限公司 | Flame-retardant rubber |
| CN106117677A (en) * | 2016-06-23 | 2016-11-16 | 山东永泰集团有限公司 | A kind of flame retardant rubber |
| CN107936332A (en) * | 2017-12-15 | 2018-04-20 | 重庆友拓汽车零部件有限公司 | A kind of wear resistant automobile cover tire formula and its preparation process |
| WO2018161973A1 (en) * | 2017-09-05 | 2018-09-13 | 青岛双星轮胎工业有限公司 | Rubber composition used for preparing fireproof series load-bearing radial tyre tread |
| CN108727646A (en) * | 2018-05-22 | 2018-11-02 | 徐工集团工程机械有限公司 | A kind of rubber belt track |
| CN108752657A (en) * | 2018-06-08 | 2018-11-06 | 明光速耐德实心轮胎有限公司 | A kind of preparation method of high-elastic solid tyre tire material |
| CN116535754B (en) * | 2023-06-07 | 2024-01-02 | 山东华盛橡胶有限公司 | High-flame-retardance low-resistance fire-fighting tire and manufacturing process thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106009127A (en) * | 2016-06-23 | 2016-10-12 | 山东永泰集团有限公司 | Flame-retardant rubber |
| CN106117677A (en) * | 2016-06-23 | 2016-11-16 | 山东永泰集团有限公司 | A kind of flame retardant rubber |
| WO2018161973A1 (en) * | 2017-09-05 | 2018-09-13 | 青岛双星轮胎工业有限公司 | Rubber composition used for preparing fireproof series load-bearing radial tyre tread |
| CN107936332A (en) * | 2017-12-15 | 2018-04-20 | 重庆友拓汽车零部件有限公司 | A kind of wear resistant automobile cover tire formula and its preparation process |
| CN108727646A (en) * | 2018-05-22 | 2018-11-02 | 徐工集团工程机械有限公司 | A kind of rubber belt track |
| CN108727646B (en) * | 2018-05-22 | 2020-08-07 | 徐工集团工程机械有限公司 | Rubber track |
| CN108752657A (en) * | 2018-06-08 | 2018-11-06 | 明光速耐德实心轮胎有限公司 | A kind of preparation method of high-elastic solid tyre tire material |
| CN116535754B (en) * | 2023-06-07 | 2024-01-02 | 山东华盛橡胶有限公司 | High-flame-retardance low-resistance fire-fighting tire and manufacturing process thereof |
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Application publication date: 20151202 |