CN107057120A - Rubber flows dispersant RFD preparation method and applications - Google Patents
Rubber flows dispersant RFD preparation method and applications Download PDFInfo
- Publication number
- CN107057120A CN107057120A CN201610765136.0A CN201610765136A CN107057120A CN 107057120 A CN107057120 A CN 107057120A CN 201610765136 A CN201610765136 A CN 201610765136A CN 107057120 A CN107057120 A CN 107057120A
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- Prior art keywords
- rubber
- dispersant
- rfd
- coupling agent
- bentonite
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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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
-
- 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
-
- 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
- B60C1/0025—Compositions of the sidewalls
-
- 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
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
-
- 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
-
- 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
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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
-
- 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)
- Dispersion Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Dispersant (Rubber flow dispersing agent, abbreviation RFD) preparation method and application is flowed the invention discloses a kind of rubber.Wherein rubber flowing dispersant is mixed by bentonite, quaternary cationics and coupling agent, is counted by weight：By bentonite：Quaternary cationics：Coupling agent=100：1.0~2.0：0.5~3.0.Its application is that the rubber flows dispersant as rubber auxiliary agent, specially tire.It is of the invention compared with conventional dispersant, with advantages below, dry-mixed modification, any solvent need not be used, only need to bentonite, quaternary cationics and coupling agent being sufficiently mixed uniformly, handling process is simple, and pollution is not produced, the three wastes (waste water,waste gas and industrial residue) are not produced, are Green Products.
Description
Technical field
The present invention relates to rubber materials, specifically a kind of rubber flowing dispersant RFD preparation method and applications.
Background technology
Domestic and international scientific research personnel puts into stearic acid in reactor, heats up 60~70 DEG C, melts stearic acid, start is stirred
Mix and be warming up to 120~130 DEG C, be slowly added to zinc oxide (30min is added), capping kettle opens vacuum dehydration, then using molten
Melt method granulation, i.e. finished product (dispersant), this method includes the steps such as synthetic reaction, high-speed stirred, and granulation is refined, and technique is multiple
It is miscellaneous, long flow path.Cost height (see document introduction).
The content of the invention
Dispersant RFD preparation method and applications are flowed it is an object of the invention to provide a kind of rubber.
To achieve the above object, the technical solution adopted by the present invention is：A kind of rubber flows dispersant RFD, rubber flowing
Dispersant RFD is mixed by bentonite quaternary cationics and coupling agent, is counted by weight：Bentonite：
Quaternary cationics：Coupling agent=100：1.0~2.0：0.5~3.0.
The quaternary cationics is cetyl trimethylammonium bromide, Cetyltrimethylammonium bromide
Or hexadecyltrimethylammonium chloride.
The coupling agent is organo silane coupling agent or titanate coupling agent.
The bentonite mesh number is 325.
The bentonite, quaternary cationics and coupling agent are added in high-speed mixer, in temperature
8~10min is mixed under the conditions of 60~70 DEG C, is cooled to after room temperature.
Rubber flowing dispersant RFD application：The rubber flowing dispersant RFD is used as rubber auxiliary agent.The rubber
Glue product is tire.
Advantages of the present invention：
It is of the invention compared with conventional dispersant, with advantages below, dry-mixed compounding, it is not necessary to use any solvent, only
Need bentonite, quaternary cationics and coupling agent compounding being sufficiently mixed uniformly, technique is simple, does not produce dirt
Dye, does not produce the three wastes, is Green Product.Equipment investment is few with short production cycle, and labor productivity is high.Quaternary ammonium salt cationic
The rubber flowing dispersant that surfactant processing is obtained, it is cheap, preferably make the rubber chemicals of the rubbers such as tire, reduce
The cost of product, reduces sizing material Mooney viscosity, improves sizing material process industrial art performance, improves vulcanizate abrasion resistance, improves wheel
The mechanical property of other rubbers such as tire.
Embodiment：
Following example will further illustrate the present invention.
Embodiment 1
According to the proportioning shown in table 1 by Ultra-fine Bentonite (325 mesh), cetyl trimethylammonium bromide, coupling agent are added
Into high-speed mixer, 10min is mixed under the conditions of temperature 70 C, is cooled to after room temperature and discharges.Obtain dynamic point of rubber flow
Powder RFD.
The rubber of table 1 flowing dispersant RFD products material proportionings (parts by weight)
The rubber flowing dispersant RFD product leading indicators that the present embodiment is obtained are as follows：
Heating loss≤4.0%
PH value 6.0~11.0
Burning decrement≤15.0%.
Application examples 1：
Rubber flowing dispersant RFD is applied in engineering mechanical heterotropic tire tread glue.
Formula is following (parts by weight)：Malaysian standard rubber 20#70, butadiene-styrene rubber 30, sulphur 1.8, accelerant NOBS
0.85, zinc oxide 5.0, stearic acid 3.0, anti-aging agent RD 1.5, antioxidant 4010NA 1.0, anti-scorching agent CTP 0.24, carbon black
N220 53, white carbon 7.0, aromatic naphtha 9.0, rubber flowing dispersant 3.5.Routinely mill vulcanization is obtained for above-mentioned formula
Semi-finished product Main physical performance is as follows：Mooney viscosity ML (1+4100 DEG C) 44.5, Akron abrasion loss/cm20.20, tensile strength
21.8MPa, elongation at break 580%, Shore A hardness 61,300% stress at definite elongation 7.6MPa.It is not added with rubber flowing dispersant
The Main physical performance difference of semi-finished product is as follows：Mooney viscosity ML (1+4100 DEG C) 54.5, Akron abrasion loss/cm20.31, draw
Stretch intensity 20.8MPa, elongation at break 575%, Shore A hardness 61,300% stress at definite elongation 8.1MPa.
Application examples 2：
Rubber flowing dispersant RFD is applied in engineering mechanical heterotropic tire sidewall glue.Formula is following (parts by weight)：
By Natural rubber 50, butadiene rubber 50, sulphur 1.2, accelerant NOBS 1.1, zinc oxide 4, stearic acid 3, anti-aging agent RD
1.5, antioxidant 4010NA 1.0, carbon black N330/N660/53, aromatic naphtha 8, rubber flowing dispersant 3.5.Above-mentioned formula is by normal
Advise the obtained semi-finished product main performance of mill vulcanization as follows：Mooney viscosity ML (1+4100 DEG C) 42.5, tensile strength 14.4MPa,
Elongation at break 510%, Shore A hardness 59,300% stress at definite elongation 4.6MPa.It is not added with the semi-finished product of rubber flowing dispersant
Performance difference is as follows：Mooney viscosity ML (1+4100 DEG C) 52.5 tensile strength 15.2MPa, elongation at break 475%, Shore A hardness
59,300% stress at definite elongation 3.9MPa.
Application examples 3：
Rubber flowing dispersant RFD is applied in the mechanical meridian tyre of all-steel engineering.Following (the weight of formula
Number)：Malaysian standard rubber 20#70, butadiene-styrene rubber 10, height is taken advantage of a situation butadiene rubber 20, sulphur 1.0, accelerant NOBS 1.5,
Zinc oxide 3.5, stearic acid 2.0, anti-aging agent RD 1.5, antioxidant 4020 1.0, microwax 2.0, anti-scorching agent CTP 0.12, carbon black
N234 40, white carbon 15, silane coupler 3.0, tackifying resin 2.0, rubber flowing dispersant 3.5.Above-mentioned formula is routinely opened
The obtained semi-finished product main performance of mill vulcanization is as follows：Mooney viscosity ML (1+4100 DEG C) 42.5, Akron abrasion loss/cm2
0.12, tensile strength 17.6MPa, elongation at break 557%, Shore A hardness 58,300% stress at definite elongation 6.8MPa.It is not added with rubber
The performance difference for flowing the semi-finished product of dispersant is as follows：Mooney viscosity ML (1+4100 DEG C) 62.5, Akron abrasion loss/cm2
0.24, tensile strength 16.1MPa, elongation at break 565%, Shore A hardness 59,300% stress at definite elongation 6.2MPa.
Application examples 4：
Rubber flowing dispersant RFD is applied in the mechanical radial sidewall rubber of all-steel engineering.Following (the weight of formula
Number)：Malaysian standard rubber 20#45, height is taken advantage of a situation butadiene rubber 55, sulphur 1.5, accelerant NOBS 0.8, zinc oxide 3.5,
Stearic acid 2.0, anti-aging agent RD 1.5, antioxidant 4020 1.0, microwax 2.0, anti-scorching agent CTP 0.15, carbon black N234 40 surpasses
Level tackifying resin 3.0, aromatic naphtha 6.0, rubber flowing dispersant 3.5.Above-mentioned formula routinely mill vulcanization obtained half into
Product main performance is as follows：Mooney viscosity ML (1+4100 DEG C) 40.5, tensile strength 15.4MPa, elongation at break 610%, shore A
The stress at definite elongation 5.6MPa of hardness 59,300%.The performance difference for being not added with the semi-finished product of rubber flowing dispersant is as follows：Mooney viscosity
ML(1+4100 DEG C) 50.5 tensile strength 15.2MPa, elongation at break 575%, Shore A hardness 59,300% stress at definite elongation
4.9MPa。
Claims (7)
1. a kind of rubber flowing dispersant RFD, it is characterised in that：Rubber flows dispersant by bentonite quaternary ammonium salt cationic surface
Activating agent and coupling agent are mixed, and are counted by weight：Bentonite：Quaternary cationics：Coupling agent=
100：1.0~2.0：0.5~3.0.
2. rubber flowing dispersant RFD according to claim 1, it is characterised in that：Live on the quaternary ammonium salt cationic surface
Property agent be cetyl trimethylammonium bromide, Cetyltrimethylammonium bromide or hexadecyltrimethylammonium chloride.
3. rubber flowing dispersant RFD according to claim 1, it is characterised in that：The coupling agent is that organosilan is even
Join agent or titanate coupling agent.
4. rubber flowing dispersant RFD according to claim 1, it is characterised in that：The bentonite mesh number is 325.
5. the preparation method of the rubber flowing dispersant RFD described in claim 1 a kind of, it is characterised in that：By the bentonite,
Quaternary cationics and coupling agent are added in high-speed mixer, under the conditions of 60~70 DEG C of temperature mixing 8~
10min, is cooled to after room temperature.
6. a kind of rubber flowing dispersant RFD application, it is characterised in that：The rubber flowing dispersant is helped as rubber
Agent.
7. rubber flowing dispersant RFD according to claim 6 application, it is characterised in that：The rubber is wheel
Tire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610765136.0A CN107057120A (en) | 2016-08-30 | 2016-08-30 | Rubber flows dispersant RFD preparation method and applications |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610765136.0A CN107057120A (en) | 2016-08-30 | 2016-08-30 | Rubber flows dispersant RFD preparation method and applications |
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| Publication Number | Publication Date |
|---|---|
| CN107057120A true CN107057120A (en) | 2017-08-18 |
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ID=59617202
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610765136.0A Pending CN107057120A (en) | 2016-08-30 | 2016-08-30 | Rubber flows dispersant RFD preparation method and applications |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111995885A (en) * | 2020-07-14 | 2020-11-27 | 南京工业大学 | Method for modifying organic montmorillonite by composite modifier |
| CN113462025A (en) * | 2021-07-07 | 2021-10-01 | 宿迁苏博科技信息有限公司 | Preparation process and preparation device of rubber flow dispersing agent |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101157772A (en) * | 2007-11-06 | 2008-04-09 | 中国热带农业科学院农产品加工研究所 | Siallite-natural rubber composite material and method for making same |
| CN103435921A (en) * | 2013-09-10 | 2013-12-11 | 青岛华夏橡胶工业有限公司 | High-abrasion-resistance rubber/phyllosilicate nano composite material heat-resistant conveyer belt cover rubber and preparation method thereof |
-
2016
- 2016-08-30 CN CN201610765136.0A patent/CN107057120A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101157772A (en) * | 2007-11-06 | 2008-04-09 | 中国热带农业科学院农产品加工研究所 | Siallite-natural rubber composite material and method for making same |
| CN103435921A (en) * | 2013-09-10 | 2013-12-11 | 青岛华夏橡胶工业有限公司 | High-abrasion-resistance rubber/phyllosilicate nano composite material heat-resistant conveyer belt cover rubber and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 刘兴奋: """新型有机膨润土的制备及应用研究""", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111995885A (en) * | 2020-07-14 | 2020-11-27 | 南京工业大学 | Method for modifying organic montmorillonite by composite modifier |
| CN113462025A (en) * | 2021-07-07 | 2021-10-01 | 宿迁苏博科技信息有限公司 | Preparation process and preparation device of rubber flow dispersing agent |
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Application publication date: 20170818 |