CN104262715A - Rubber composition - Google Patents
Rubber composition Download PDFInfo
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- CN104262715A CN104262715A CN201410568184.1A CN201410568184A CN104262715A CN 104262715 A CN104262715 A CN 104262715A CN 201410568184 A CN201410568184 A CN 201410568184A CN 104262715 A CN104262715 A CN 104262715A
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- parts
- rubber
- butadiene rubber
- powder styrene
- modified powder
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
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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
- 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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a rubber composition. The composition is prepared from the following raw materials in parts by weight: 20-50 parts of modified powder butylbenzene rubber which is modified by carboxyl modified powder butylbenzene latex rubber, 3-6 parts of accelerants, 2-5 parts of strengthening agents, 1-3 parts of aromatic oil, 3-8 parts of antioxidants, 10-20 parts of carbon black, 5-8 parts of organic metal salt, 3-7 parts of stearic acids, and 15-20 parts of chlorinated polyethylene rubber. The rubber composition provided by the invention is reasonable in formula, low in cost, heat resistant and oil resistant.
Description
Technical field
The present invention relates to a kind of rubber combination, particularly relate to and a kind of there is rubber combination that is heat-resisting, oil-proofness.
Background technology
In recent years, the requirement of people to automobile low fuel consumption amount is growing, so for suppressing the heat generation of tire, being not only studied the improvement of rolling resistance, and being also studied the improvement of performance.The tyre surface that strong needs account for larger weight ratio in tyre element has low heat generation, so require that the rubber combination being used for tyre surface reduces heat generation.
Even if as the rubber that the temperature at about 130-170 DEG C also can use, have silicon rubber, acrylic rubber etc., but rubber has problems in oil-proofness.Acrylic rubber rubbery intensity when a large amount of filling magnetic powder significantly reduces, and can not play tackiness agent effect.
Powdered rubber refers to that particle diameter is less than the rubber of 1.0mm.Powdered rubber has good dispersiveness, can with resin grafting, blended, thus give resin special performance, have a wide range of applications in field of resin modification.
ZL200510002252.9 discloses the resin combination be made up of homopolymer polypropylene, terpolymer EP rubber, Powdered Rubber of Ultrafine Styrene Butadiene, nucleator and rheology conditioner etc., composition has high impelling strength, tensile strength is suitable with polypropylene base resin with rigidity, is applicable to prepare the higher large thin-wall goods of appearance requirement.
CN101270212 (application number 200710064645.1) proposes and comprises polypropylene, butylbenzene powdered rubber or/and the blend composition of Carboxy powdered rubber, carbon black composition.
ZL01110737.5 discloses a kind of tenacity-increased profax and preparation method thereof, comprise PP and mixed rubber component, wherein mixed rubber component is made up of the unvulcanized rubber of powdered rubber and at least one with crosslinking structure and thermoplastic elastomer, powder PP+ sulfide powder butylbenzene+SIS is disclosed, the composition system of powder PP+ sulfide powder butylbenzene+terpolymer EP rubber in enforcement.Zhang Xiaohong etc. utilize fully cured ultrafine powdered styrene-butadiene rubber (PSBR) and polypropylene (PP) to be raw material, twin screw extruder blend method is adopted to prepare PP/PSBR fully sulfurized thermoplastic elastomer (China Synthetic Rubber Industry, 29 volume 2 phases in 2006,91-95 page).
Summary of the invention
The object of the present invention is to provide a kind of rubber combination, particularly a kind of formula is rationally, with low cost, has rubber combination that is heat-resisting, oil-proofness.
For reaching this goal of the invention, the present invention by the following technical solutions:
The invention provides a kind of rubber combination, be made up of the raw material of following parts by weight: modified powder styrene-butadiene rubber(SBR) 20-50 part, promotor 3-6 part, strengthening agent 2-5 part, perfume oil 1-3 part, antioxidant 3-8 part, carbon black 10-20 part, organic metal salt 5-8 part, stearic acid 3-7 part, chlorinated polyethylene rubber 15-20 part.
Modified powder styrene-butadiene rubber(SBR) in the present invention is 20-50 part, such as, can be 20 parts, 22 parts, 25 parts, 28 parts, 30 parts, 32 parts, 35 parts, 38 parts, 40 parts, 42 parts, 45 parts, 48 parts, 50 parts, is preferably 20-40 part, more preferably 40 parts.
Promotor in the present invention is 3-6 part, such as, can be 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts, is preferably 2-4 part, more preferably 3 parts.
Strengthening agent in the present invention is 2-5 part, such as, can be 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts, is preferably 2-3 part, more preferably 2 parts.
Perfume oil in the present invention is 1-3 part, can be such as 1 part, 1.5 parts, 2 parts, 2.5 parts, 3 parts, be preferably 1-2 part, more preferably 1 part.
Antioxidant in the present invention is 3-8 part, such as, can be 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts, 6.5 parts, 7 parts, 7.5 parts, 8 parts, is preferably 3-6 part, more preferably 6 parts.
Carbon black in the present invention is 10-20 part, such as, can be 10 parts, 11 parts, 12 parts, 13 parts, 14 parts, 15 parts, 16 parts, 17 parts, 18 parts, 19 parts, 20 parts, is preferably 10-15 part, more preferably 15 parts.
Organic metal salt in the present invention is 5-8 part, such as, can be 5 parts, 6 parts, 7 parts, 8 parts, is preferably 6-8 part, more preferably 8 parts.
Stearic acid in the present invention is 3-7 part, such as, can be 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, is preferably 3-5 part, more preferably 5 parts.
Chlorinated polyethylene rubber in the present invention is 15-20 part, such as, can be 15 parts, 16 parts, 17 parts, 18 parts, 19 parts, 20 parts, is preferably 15-18 part, more preferably 16 parts.
As preferred technical scheme, rubber combination of the present invention is made up of the raw material of following parts by weight: modified powder styrene-butadiene rubber(SBR) 20-40 part, promotor 2-4 part, strengthening agent 2-3 part, perfume oil 1-2 part, antioxidant 3-6 part, carbon black 10-15 part, organic metal salt 6-8 part, stearic acid 3-5 part, chlorinated polyethylene rubber 15-18 part.
As another preferred technical scheme, rubber combination of the present invention is made up of the raw material of following parts by weight: 40 parts, modified powder styrene-butadiene rubber(SBR), promotor 3 parts, strengthening agent 2 parts, 1 part, perfume oil, antioxidant 6 parts, carbon black 15 parts, organic metal salt 8 parts, stearic acid 5 parts, chlorinated polyethylene rubber 16 parts.
Described modified powder styrene-butadiene rubber(SBR) in the present invention is the powder styrene butadiene rubber of carboxy-modified powder styrene butadiene rubber breast modification.
Powdered rubber particle diameter 0.2 ~ 0.7mm in described modified powder styrene-butadiene rubber(SBR) in the present invention, mooney viscosity ML (1+4) 100 DEG C is 41 ~ 123; The solids content 41 ~ 55% of carboxy-modified powder styrene butadiene rubber breast, latex particle size 100 ~ 175nm.
As preferred technical scheme, the powdered rubber mooney viscosity ML (1+4) 100 DEG C in described modified powder styrene-butadiene rubber(SBR) is 80 ~ 120; Carboxy-modified powder styrene butadiene rubber breast is with divinyl, vinylbenzene for main monomer, and vinylformic acid is that function monomer obtains through letex polymerization.
Being prepared as of described modified powder styrene-butadiene rubber(SBR) in the present invention: be water and the mixing of 7 ~ 11% carboxy-modified powder styrene butadiene rubber breasts (weight percent meter by powder styrene butadiene rubber) of 1: 2 ~ 1: 5 by weight percent; Under whipped state, mixed serum is warming up to 50 ~ 60 DEG C; Add 2 ~ 5% separants (weight percent meter by carboxy-modified powder styrene butadiene rubber breast) and mix 1 ~ 10min; Add powder styrene butadiene rubber mixing 30 ~ 60min again; Through discharging, dehydration, drying, obtain modified powder styrene-butadiene rubber(SBR).
Compared with prior art, the present invention has following beneficial effect:
Rubber combination of the present invention, formula is rationally, with low cost, has heat-resisting, oil-proofness function.The present invention, by carrying out modification to powder styrene butadiene rubber, makes powdered rubber particle dispersed as far as possible in the base and particle diameter is stablized, thus improves the toughness of rubber significantly, and the notched Izod impact strength of composition is compared General Purpose Rubber and improved more than 10 times.
Embodiment
Technical scheme of the present invention is further illustrated below by embodiment.
Those skilled in the art should understand, described embodiment is only help to understand the present invention, should not be considered as concrete restriction of the present invention.
Embodiment 1
A kind of rubber combination, is made up of the raw material of following parts by weight: 20 parts, modified powder styrene-butadiene rubber(SBR), promotor 3 parts, strengthening agent 2 parts, 1 part, perfume oil, antioxidant 3 parts, carbon black 10 parts, organic metal salt 5 parts, stearic acid 3 parts, chlorinated polyethylene rubber 15 parts.
Wherein, the preparation of modified powder styrene-butadiene rubber(SBR): 0.05kg water and 0.2kg carboxylic styrene butadiene latex are joined in the condensing field of 15L, passes into low-pressure steam, slurries are warming up to 55 DEG C, are uniformly mixed 3min; Add 8g separant mixing 3min; Add 2kg powder styrene butadiene rubber 1500a mixing 40min again; Stop stirring discharging, centrifuge dehydration, dry 24hr at 50 DEG C, namely make modified powder styrene-butadiene rubber(SBR).
Embodiment 2
A kind of rubber combination, is made up of the raw material of following parts by weight: 40 parts, modified powder styrene-butadiene rubber(SBR), promotor 5 parts, strengthening agent 3 parts, 2 parts, perfume oil, antioxidant 6 parts, carbon black 15 parts, organic metal salt 7 parts, stearic acid 5 parts, chlorinated polyethylene rubber 18 parts.
Wherein, the preparation of modified powder styrene-butadiene rubber(SBR): 0.05kg water and 0.2kg carboxylic styrene butadiene latex are joined in the condensing field of 15L, passes into low-pressure steam, slurries are warming up to 55 DEG C, are uniformly mixed 3min; Add 8g separant mixing 3min; Add 2kg powder styrene butadiene rubber 1500b mixing 30min again; Stop stirring discharging, centrifuge dehydration, dry 24hr at 50 DEG C, namely make modified powder styrene-butadiene rubber(SBR).
Embodiment 3
A kind of rubber combination, is made up of the raw material of following parts by weight: 50 parts, modified powder styrene-butadiene rubber(SBR), promotor 6 parts, strengthening agent 5 parts, 3 parts, perfume oil, antioxidant 8 parts, carbon black 20 parts, organic metal salt 8 parts, stearic acid 7 parts, chlorinated polyethylene rubber 20 parts.
Wherein, the preparation of modified powder styrene-butadiene rubber(SBR): 0.05kg water and 0.2kg carboxylic styrene butadiene latex are joined in the condensing field of 15L, passes into low-pressure steam, slurries are warming up to 55 DEG C, are uniformly mixed 3min; Add 8g separant mixing 3min; Add 2kg powder styrene butadiene rubber 1712a mixing 30min again; Stop stirring discharging, centrifuge dehydration, dry 24hr at 50 DEG C, namely make modified powder styrene-butadiene rubber(SBR).
Embodiment 4
A kind of rubber combination, is made up of the raw material of following parts by weight: 48 parts, modified powder styrene-butadiene rubber(SBR), promotor 5 parts, strengthening agent 4 parts, 3 parts, perfume oil, antioxidant 8 parts, carbon black 18 parts, organic metal salt 8 parts, stearic acid 7 parts, chlorinated polyethylene rubber 18 parts.
Wherein, the preparation of modified powder styrene-butadiene rubber(SBR): 0.05kg water and 0.2kg carboxylic styrene butadiene latex are joined in the condensing field of 15L, passes into low-pressure steam, slurries are warming up to 55 DEG C, are uniformly mixed 3min; Add 8g separant mixing 3min; Add 2kg powder styrene butadiene rubber 1712a mixing 30min again; Stop stirring discharging, centrifuge dehydration, dry 24hr at 50 DEG C, namely make modified powder styrene-butadiene rubber(SBR).
Embodiment 5
A kind of rubber combination, is made up of the raw material of following parts by weight: 38 parts, modified powder styrene-butadiene rubber(SBR), promotor 3 parts, strengthening agent 5 parts, 2 parts, perfume oil, antioxidant 4 parts, carbon black 15 parts, organic metal salt 8 parts, stearic acid 7 parts, chlorinated polyethylene rubber 19 parts.
Wherein, the preparation of modified powder styrene-butadiene rubber(SBR): 0.05kg water and 0.2kg carboxylic styrene butadiene latex are joined in the condensing field of 15L, passes into low-pressure steam, slurries are warming up to 55 DEG C, are uniformly mixed 3min; Add 8g separant mixing 3min; Add 2kg powder styrene butadiene rubber 1712a mixing 30min again; Stop stirring discharging, centrifuge dehydration, dry 24hr at 50 DEG C, namely make modified powder styrene-butadiene rubber(SBR).
Applicant states, the present invention illustrates processing method of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned processing step, does not namely mean that the present invention must rely on above-mentioned processing step and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the interpolation of ancillary component, the concrete way choice etc. of raw material selected by the present invention, all drops within protection scope of the present invention and open scope.
Claims (7)
1. a rubber combination, it is characterized in that: be made up of the raw material of following parts by weight: modified powder styrene-butadiene rubber(SBR) 20-50 part, promotor 3-6 part, strengthening agent 2-5 part, perfume oil 1-3 part, antioxidant 3-8 part, carbon black 10-20 part, organic metal salt 5-8 part, stearic acid 3-7 part, chlorinated polyethylene rubber 15-20 part.
2. rubber combination according to claim 1, it is characterized in that: be made up of the raw material of following parts by weight: modified powder styrene-butadiene rubber(SBR) 20-40 part, promotor 2-4 part, strengthening agent 2-3 part, perfume oil 1-2 part, antioxidant 3-6 part, carbon black 10-15 part, organic metal salt 6-8 part, stearic acid 3-5 part, chlorinated polyethylene rubber 15-18 part.
3. rubber combination according to claim 1 and 2, it is characterized in that, be made up of the raw material of following parts by weight: 40 parts, modified powder styrene-butadiene rubber(SBR), promotor 3 parts, strengthening agent 2 parts, 1 part, perfume oil, antioxidant 6 parts, carbon black 15 parts, organic metal salt 8 parts, stearic acid 5 parts, chlorinated polyethylene rubber 16 parts.
4. the rubber combination according to any one of claim 1-3, is characterized in that, described modified powder styrene-butadiene rubber(SBR) is the powder styrene butadiene rubber of carboxy-modified powder styrene butadiene rubber breast modification.
5. the rubber combination according to any one of claim 1-4, is characterized in that, the powdered rubber particle diameter 0.2 ~ 0.7mm in described modified powder styrene-butadiene rubber(SBR), and mooney viscosity ML (1+4) 100 DEG C is 41 ~ 123; The solids content 41 ~ 55% of carboxy-modified powder styrene butadiene rubber breast, latex particle size 100 ~ 175nm.
6. the rubber combination according to any one of claim 1-5, is characterized in that, the powdered rubber mooney viscosity ML (1+4) 100 DEG C in described modified powder styrene-butadiene rubber(SBR) is 80 ~ 120; Carboxy-modified powder styrene butadiene rubber breast is with divinyl, vinylbenzene for main monomer, and vinylformic acid is that function monomer obtains through letex polymerization.
7. the rubber combination according to any one of claim 1-6, it is characterized in that, being prepared as of described modified powder styrene-butadiene rubber(SBR): be water and the mixing of 7 ~ 11% carboxy-modified powder styrene butadiene rubber breasts (weight percent meter by powder styrene butadiene rubber) of 1: 2 ~ 1: 5 by weight percent; Under whipped state, mixed serum is warming up to 50 ~ 60 DEG C; Add 2 ~ 5% separants (weight percent meter by carboxy-modified powder styrene butadiene rubber breast) and mix 1 ~ 10min; Add powder styrene butadiene rubber mixing 30 ~ 60min again; Through discharging, dehydration, drying, obtain modified powder styrene-butadiene rubber(SBR).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410568184.1A CN104262715A (en) | 2014-10-22 | 2014-10-22 | Rubber composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410568184.1A CN104262715A (en) | 2014-10-22 | 2014-10-22 | Rubber composition |
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| Publication Number | Publication Date |
|---|---|
| CN104262715A true CN104262715A (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410568184.1A Pending CN104262715A (en) | 2014-10-22 | 2014-10-22 | Rubber composition |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4391942A (en) * | 1982-04-06 | 1983-07-05 | Bridgestone Tire Co., Ltd. | Vibration-insulating rubber composition |
| US4412031A (en) * | 1983-02-18 | 1983-10-25 | Nippon Zeon Co., Ltd. | Modified rubber composition employing a compound containing a carboxyl and an aldehyde group |
| CN102295802A (en) * | 2010-06-25 | 2011-12-28 | 中国石油天然气股份有限公司 | High-toughness and high-strength polypropylene composition and preparation method thereof |
| CN102408639A (en) * | 2010-09-21 | 2012-04-11 | 中国石油天然气股份有限公司 | Impact-resistant polystyrene resin composition and preparation method thereof |
| CN103102535A (en) * | 2012-11-15 | 2013-05-15 | 青岛融鑫源橡胶机械有限公司 | Rubber composition |
-
2014
- 2014-10-22 CN CN201410568184.1A patent/CN104262715A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4391942A (en) * | 1982-04-06 | 1983-07-05 | Bridgestone Tire Co., Ltd. | Vibration-insulating rubber composition |
| US4412031A (en) * | 1983-02-18 | 1983-10-25 | Nippon Zeon Co., Ltd. | Modified rubber composition employing a compound containing a carboxyl and an aldehyde group |
| CN102295802A (en) * | 2010-06-25 | 2011-12-28 | 中国石油天然气股份有限公司 | High-toughness and high-strength polypropylene composition and preparation method thereof |
| CN102408639A (en) * | 2010-09-21 | 2012-04-11 | 中国石油天然气股份有限公司 | Impact-resistant polystyrene resin composition and preparation method thereof |
| CN103102535A (en) * | 2012-11-15 | 2013-05-15 | 青岛融鑫源橡胶机械有限公司 | Rubber composition |
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Application publication date: 20150107 |
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