CN105061839B - A kind of preparation method of flame retardant rubber - Google Patents
A kind of preparation method of flame retardant rubber Download PDFInfo
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- CN105061839B CN105061839B CN201510567009.5A CN201510567009A CN105061839B CN 105061839 B CN105061839 B CN 105061839B CN 201510567009 A CN201510567009 A CN 201510567009A CN 105061839 B CN105061839 B CN 105061839B
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Abstract
The invention discloses the preparation method of a kind of flame retardant rubber, the defect in automobile tire etc., the field that fire resistance requirement is higher existed for existing rubber applications, by nitrile rubber, butadiene-styrene rubber, flame-retarded resin class, white carbon black, asbestos fibre, age resistor, sulfide, zinc oxide, organic clay, dispersant, silicon dioxide, stearic acid, the raw materials such as accelerator are prepared from, flame retardant rubber prepared by the present invention, the most nontoxic, good weatherability, there is preferable stability, and good flame retardation effect, content of halogen is low, without outer interpolation fire retardant, breach the defect of conventional synthesis rubber, there is the strongest practical value, its preparation method is simple to operation, industrialization degree is high.
Description
Technical field
The present invention relates to a kind of elastomeric preparation, especially relate to the preparation method of a kind of flame retardant rubber.
Background technology
Rubber is a kind of resilient polymer.Rubber can obtain from the myron of some plants, it is also possible to is
Artificial, both considerable application and products, such as tire, packing ring etc., then become Important Economic and make
Thing.The plantation of rubber is concentrated mainly on south east asia, such as Thailand, Malaysia, Indonesia.Rubber
It is divided into natural rubber and synthetic rubber by raw material.It is divided into block rubber, latex, liquid rubber and powder by form
Rubber.Latex is the colloidal aqueous dispersion of rubber；Liquid rubber is the oligomer of rubber, unvulcanized previous as
Liquid for thickness；Powdered rubber is that latex is processed into powder, in order to dispensing and processing and fabricating.
Rubber is widely used in the various aspects of people's productive life, due to most of natural rubbers and synthetic rubber
Being all flammable or inflammable, in the case of a large amount of use, danger and the hazardness of fire are greatly increased, especially
When it is applied in the use of automobile tire, improving its anti-flammability is that rubber and goods thereof are the most urgent in application
Needs.
Summary of the invention
Goal of the invention: in order to solve in the presence of prior art problem, the present invention proposes a kind of fire-retardant effect
The preparation method of the flame retardant rubber of fire retardant is added outside rate effective minimizing high, nontoxic.
Technical scheme: to achieve these objectives, the present invention takes techniques below scheme: the preparation of a kind of flame retardant rubber
Method, comprises the following steps:
(1) raw material prepares: get out prepare raw material according to consisting of: nitrile rubber 50-80 part, butylbenzene
Rubber 30-50 part, flame-retarded resin class 15-20 part, white carbon black 5-15 part, asbestos fibre 3-6 part, age resistor 2-4
Part, sulfide 4-6 part, zinc oxide 3-5 part, organic clay 2-5 part, dispersant 5-8 part, silicon dioxide
4-8 part, stearic acid 3-8 part, accelerator 4-10 part, wherein accelerator is captax, Vulcanization accelerator TMTD
And deionized water is mixed, its each material mass adding proportion is followed successively by 1:3:10；
(2) preparation of accelerator: by the captax of required quality, Vulcanization accelerator TMTD elder generation mix homogeneously,
Add deionized water after moderate-speed mixer 15-20min, be heated to 40-60 DEG C, after insulation 20min, be cooled to room temperature；
(3) by the nitrile rubber of required weight, butadiene-styrene rubber, flame-retarded resin class, asbestos fibre, age resistor,
Accelerator mixing and stirring post-heating prepared by organic clay and step (2), to 40-50 DEG C, adds sulfur
Compound, continues after stirring to be heated to 60 DEG C, mixture is placed in internal rubber mixer, adds while stirring
Entering white carbon black and zinc oxide, obtain agglomerating mixture, open rubber mixing machine and refine, temperature is 150-190 DEG C,
The refining time is 2-3h；
(4) step (3) is refined after complete agglomerating mixture is naturally cooling to 40 DEG C, be sequentially added into institute
After the silicon dioxide of requirement and stearic acid, uniform stirring to mixture is thick, is placed in opening rubber mixing machine, adds
Entering after dispersant continues to be heated to 45-65 DEG C while stirring and refine, refining temperature is 130 DEG C, during refining
Between be 1-2h, obtain required flame retardant rubber after cooling.
Further, described flame-retarded resin class is flame retardant polypropylene resin.
Further, described white carbon black is low colour carbon black.
Further, described age resistor is made up of antioxidant and antiwear additive.
Further, described antioxidant be lecithin, distannous citrate mass ratio be the mixing of 1:2
Thing.
Further, described antiwear additive is polarity antiwear additive.
Further, described dispersant is made up of oils, Saponin and water reducer.
Further, described oils is light oil.
Further, one or more during described sulfide is zinc sulfide, sodium sulfide, aluminium sulfide.
Beneficial effect: the preparation method of a kind of flame retardant rubber that the present invention provides, for existing rubber applications in vapour
Vehicle tyres etc. require the defect that higher field exists to fire resistance, by nitrile rubber, butadiene-styrene rubber, fire-retardant
Resinae, white carbon black, asbestos fibre, age resistor, sulfide, zinc oxide, organic clay, dispersant, dioxy
The raw materials such as SiClx, stearic acid, accelerator are prepared from, flame retardant rubber prepared by the present invention, the most nontoxic,
Good weatherability, has preferable stability and good flame retardation effect, and content of halogen is low, without outer interpolation fire retardant,
Breaching the defect of conventional synthesis rubber, have the strongest practical value, its preparation method is simple to operation, work
Industry degree is high.
Detailed description of the invention
Embodiment 1:
The preparation method of a kind of flame retardant rubber, comprises the following steps:
(1) raw material prepares: get out prepare raw material according to consisting of: nitrile rubber 50 parts, butadiene-styrene rubber
30 parts, flame-retarded resin class 15 parts, white carbon black 5 parts, asbestos fibre 3 parts, age resistor 2-4 part, sulfide 4
Part, zinc oxide 3 parts, organic clay 2 parts, dispersant 5 parts, silicon dioxide 4 parts, stearic acid 3 parts, rush
Entering agent 4 parts, wherein accelerator is that captax, Vulcanization accelerator TMTD and deionized water are mixed, its
Each material mass adding proportion is followed successively by 1:3:10；
(2) preparation of accelerator: by the captax of required quality, Vulcanization accelerator TMTD elder generation mix homogeneously,
Add deionized water after moderate-speed mixer 15min, be heated to 40 DEG C, after insulation 20min, be cooled to room temperature；
(3) by the nitrile rubber of required weight, butadiene-styrene rubber, flame-retarded resin class, asbestos fibre, age resistor,
Accelerator mixing and stirring post-heating prepared by organic clay and step (2), to 40 DEG C, adds sulfuration
Thing, continues after stirring to be heated to 60 DEG C, mixture is placed in internal rubber mixer, adds while stirring
White carbon black and zinc oxide, obtain agglomerating mixture, opens rubber mixing machine and refines, and temperature is 150 DEG C, during refining
Between be 2h；
(4) step (3) is refined after complete agglomerating mixture is naturally cooling to 40 DEG C, be sequentially added into institute
After the silicon dioxide of requirement and stearic acid, uniform stirring to mixture is thick, is placed in opening rubber mixing machine, adds
Entering after dispersant continues to be heated to 45 DEG C while stirring and refine, refining temperature is 130 DEG C, and the refining time is
1h, obtains required flame retardant rubber after cooling.
Wherein, described flame-retarded resin class is flame retardant polypropylene resin；Described white carbon black is low colour carbon black；Described anti-
Old agent is made up of antioxidant and antiwear additive, and concrete antioxidant is lecithin, distannous citrate quality
Than the mixture for 1:2, antiwear additive is polarity antiwear additive；Described dispersant is by oils, Saponin and water reducer
Constituting, concrete oils is light oil；Described sulfide is zinc sulfide.
Embodiment 2:
The preparation method of a kind of flame retardant rubber, comprises the following steps:
(1) raw material prepares: get out prepare raw material according to consisting of:: nitrile rubber 80 parts, butylbenzene rubber
50 parts of glue, flame-retarded resin class 20 parts, white carbon black 15 parts, asbestos fibre 6 parts, 4 parts of age resistor, sulfide
6 parts, zinc oxide 5 parts, organic clay 5 parts, dispersant 8 parts, silicon dioxide 8 parts, stearic acid 8 parts,
Accelerator 10 parts, wherein accelerator is that captax, Vulcanization accelerator TMTD and deionized water are mixed,
Its each material mass adding proportion is followed successively by 1:3:10；
(2) preparation of accelerator: by the captax of required quality, Vulcanization accelerator TMTD elder generation mix homogeneously,
Add deionized water after moderate-speed mixer 20min, be heated to 60 DEG C, after insulation 20min, be cooled to room temperature；
(3) by the nitrile rubber of required weight, butadiene-styrene rubber, flame-retarded resin class, asbestos fibre, age resistor,
Accelerator mixing and stirring post-heating prepared by organic clay and step (2), to 50 DEG C, adds sulfuration
Thing, continues after stirring to be heated to 60 DEG C, mixture is placed in internal rubber mixer, adds while stirring
White carbon black and zinc oxide, obtain agglomerating mixture, opens rubber mixing machine and refines, and temperature is 190 DEG C, during refining
Between be 3h；
(4) step (3) is refined after complete agglomerating mixture is naturally cooling to 40 DEG C, be sequentially added into institute
After the silicon dioxide of requirement and stearic acid, uniform stirring to mixture is thick, is placed in opening rubber mixing machine, adds
Entering after dispersant continues to be heated to 65 DEG C while stirring and refine, refining temperature is 130 DEG C, and the refining time is
1-2h, obtains required flame retardant rubber after cooling.
Wherein, described flame-retarded resin class is flame retardant polypropylene resin；Described white carbon black is low colour carbon black；Described anti-
Old agent is made up of antioxidant and antiwear additive, and concrete antioxidant is lecithin, distannous citrate quality
Than the mixture for 1:2, antiwear additive is polarity antiwear additive；Described dispersant is by oils, Saponin and water reducer
Constituting, concrete oils is light oil；Described sulfide is sodium sulfide.
Embodiment 3:
The preparation method of a kind of flame retardant rubber, comprises the following steps:
(1) raw material prepares: get out prepare raw material according to consisting of: nitrile rubber 65 parts, butadiene-styrene rubber
40 parts, flame-retarded resin class 17 parts, white carbon black 10 parts, asbestos fibre 5 parts, 3 parts of age resistor, sulfide 5
Part, zinc oxide 4 parts, organic clay 4 parts, dispersant 6 parts, silicon dioxide 6 parts, stearic acid 5 parts, rush
Entering agent 7 parts, wherein accelerator is that captax, Vulcanization accelerator TMTD and deionized water are mixed, its
Each material mass adding proportion is followed successively by 1:3:10；
(2) preparation of accelerator: by the captax of required quality, Vulcanization accelerator TMTD elder generation mix homogeneously,
Add deionized water after moderate-speed mixer 17min, be heated to 450 DEG C, after insulation 20min, be cooled to room temperature；
(3) by the nitrile rubber of required weight, butadiene-styrene rubber, flame-retarded resin class, asbestos fibre, age resistor,
Accelerator mixing and stirring post-heating prepared by organic clay and step (2), to 45 DEG C, adds sulfuration
Thing, continues after stirring to be heated to 60 DEG C, mixture is placed in internal rubber mixer, adds while stirring
White carbon black and zinc oxide, obtain agglomerating mixture, opens rubber mixing machine and refines, and temperature is 170 DEG C, during refining
Between be 2.5h；
(4) step (3) is refined after complete agglomerating mixture is naturally cooling to 40 DEG C, be sequentially added into institute
After the silicon dioxide of requirement and stearic acid, uniform stirring to mixture is thick, is placed in opening rubber mixing machine, adds
Entering after dispersant continues to be heated to 55 DEG C while stirring and refine, refining temperature is 130 DEG C, and the refining time is
1-2h, obtains required flame retardant rubber after cooling.
Wherein, described flame-retarded resin class is flame retardant polypropylene resin；Described white carbon black is low colour carbon black；Described anti-
Old agent is made up of antioxidant and antiwear additive, and concrete antioxidant is lecithin, distannous citrate quality
Than the mixture for 1:2, antiwear additive is polarity antiwear additive；Described dispersant is by oils, Saponin and water reducer
Constituting, concrete oils is light oil；Described sulfide is aluminium sulfide.
By be prepared from according to the preparation method of above-described embodiment 1-3 synthetic rubber, foundation
It is measured by " mensuration of GB/T10707-2008 rubber combustion performance ", and oxygen index (OI) (OI) measures knot
The most as shown in the table:
| Embodiment | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Oxygen index (OI) (OI) | 29.3% | 29.1% | 29.6% |
Wherein, the oxygen index (OI) of various rubber, it is generally accepted that oxygen index (OI) more than 27% for self-extinguishing, low
Being combustible material in this numerical value, and oxygen index (OI) is higher for nonflammable material, as above in table, data show, the present invention
The synthetic rubber that embodiment 1-3 is prepared from, oxygen index (OI) has been above 27%, meets retardant-rubber standard.
Use the preparation method of a kind of flame retardant rubber of above-described embodiment 1-3, the flame retardant rubber of preparation, not only without
Harmless, the good weatherability of poison, has preferable stability and good flame retardation effect, and content of halogen is low, without outer interpolation
Fire retardant, breaches the defect of conventional synthesis rubber, has the strongest practical value, and its preparation method is the easiest
Operation, industrialization degree is high.
It should be pointed out that, for those skilled in the art, before without departing from the principle of the invention
Putting, it is also possible to make some improvement, these improvement also should be regarded as protection scope of the present invention.
Claims (7)
1. the preparation method of a flame retardant rubber, it is characterised in that comprise the following steps:
(1) raw material prepares: get out prepare raw material according to consisting of: nitrile rubber 50-80 part, butadiene-styrene rubber 30-50 part, flame-retarded resin class 15-20 part, white carbon black 5-15 part, asbestos fibre 3-6 part, age resistor 2-4 part, sulfide 4-6 part, zinc oxide 3-5 part, organic clay 2-5 part, dispersant 5-8 part, silicon dioxide 4-8 part, stearic acid 3-8 part, accelerator 4-10 part, wherein accelerator is that captax, Vulcanization accelerator TMTD and deionized water are mixed, and its each material mass adding proportion is followed successively by 1:3:10；
(2) preparation of accelerator: by the captax of required quality, Vulcanization accelerator TMTD elder generation mix homogeneously, adds deionized water, is heated to 40-60 DEG C after moderate-speed mixer 15-20min, be cooled to room temperature after insulation 20min；
(3) the accelerator mixing and stirring post-heating nitrile rubber of required weight, butadiene-styrene rubber, flame-retarded resin class, asbestos fibre, age resistor, organic clay and step (2) prepared is to 40-50 DEG C, add sulfide, continue after stirring to be heated to 60 DEG C, mixture is placed in internal rubber mixer, add white carbon black and zinc oxide while stirring, obtain agglomerating mixture, open rubber mixing machine and refine, temperature is 150-190 DEG C, and the refining time is 2-3h；
(4) step (3) is refined after complete agglomerating mixture is naturally cooling to 40 DEG C, after being sequentially added into the desired amount of silicon dioxide and stearic acid, uniform stirring to mixture is thick, it is placed in opening rubber mixing machine, add after dispersant continues to be heated to 45-65 DEG C while stirring and refine, refining temperature is 130 DEG C, the refining time is 1-2h, obtains required flame retardant rubber after cooling.
The preparation method of flame retardant rubber the most according to claim 1, it is characterised in that: described flame-retarded resin class is flame retardant polypropylene resin.
The preparation method of flame retardant rubber the most according to claim 1, it is characterised in that: described white carbon black is low colour carbon black.
The preparation method of flame retardant rubber the most according to claim 1, it is characterised in that: described age resistor is made up of antioxidant and antiwear additive.
The preparation method of flame retardant rubber the most according to claim 1, it is characterised in that: described dispersant is made up of oils, Saponin and water reducer.
The preparation method of flame retardant rubber the most according to claim 5, it is characterised in that: described oils is light oil.
The preparation method of flame retardant rubber the most according to claim 1, it is characterised in that: described sulfide is one or more in zinc sulfide, sodium sulfide, aluminium sulfide.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510567009.5A CN105061839B (en) | 2015-09-09 | 2015-09-09 | A kind of preparation method of flame retardant rubber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510567009.5A CN105061839B (en) | 2015-09-09 | 2015-09-09 | A kind of preparation method of flame retardant rubber |
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| CN105061839A CN105061839A (en) | 2015-11-18 |
| CN105061839B true CN105061839B (en) | 2016-12-07 |
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| CN111577083A (en) * | 2020-05-18 | 2020-08-25 | 新沂天源节能材料有限公司 | High-temperature-resistant flame-retardant smoke-isolating fireproof aluminum alloy door and window and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101121796A (en) * | 2006-06-23 | 2008-02-13 | 南京理工大学 | Polymer-base flame-proof composite material |
| CN101508874A (en) * | 2009-03-11 | 2009-08-19 | 江门新时代胶粘科技有限公司 | Halogen-free flame-retardant acetate fiber cloth adhesive tape and preparation method thereof |
| US20100170991A1 (en) * | 2008-09-02 | 2010-07-08 | Interface, Inc. | Low Weight Carpet Tile |
| CN103842444A (en) * | 2011-09-30 | 2014-06-04 | 株式会社Adeka | Flame-retardant resin composition and electric wire using same |
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2015
- 2015-09-09 CN CN201510567009.5A patent/CN105061839B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101121796A (en) * | 2006-06-23 | 2008-02-13 | 南京理工大学 | Polymer-base flame-proof composite material |
| US20100170991A1 (en) * | 2008-09-02 | 2010-07-08 | Interface, Inc. | Low Weight Carpet Tile |
| CN101508874A (en) * | 2009-03-11 | 2009-08-19 | 江门新时代胶粘科技有限公司 | Halogen-free flame-retardant acetate fiber cloth adhesive tape and preparation method thereof |
| CN103842444A (en) * | 2011-09-30 | 2014-06-04 | 株式会社Adeka | Flame-retardant resin composition and electric wire using same |
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