CN104194172A - Flame-retardant brominated butyl rubber material and preparation method thereof - Google Patents
Flame-retardant brominated butyl rubber material and preparation method thereof Download PDFInfo
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- CN104194172A CN104194172A CN201410427736.7A CN201410427736A CN104194172A CN 104194172 A CN104194172 A CN 104194172A CN 201410427736 A CN201410427736 A CN 201410427736A CN 104194172 A CN104194172 A CN 104194172A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
- C08L23/283—Halogenated homo- or copolymers of iso-olefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
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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
- C08L2201/02—Flame or fire retardant/resistant
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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
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses a flame-retardant brominated butyl rubber material, relating to the technical field of rubber materials. The flame-retardant brominated butyl rubber material comprises the following chemical components: 85-95 parts of brominated butyl rubber, 8-12 parts of chlorinated polyethylene, 1-4 parts of stearic acid, 2-5 parts of zinc chloride, 1-2 parts of magnesium chloride, 1-3 parts of anti-aging agent, 1-3 parts of paraffin, 68-80 parts of flame retardant HT, 25-35 parts of complexed antimony, 1-3 parts of sulfur and 1-4 parts of accelerator. The invention also discloses a preparation method of the flame-retardant brominated butyl rubber material, which comprises the following steps: compounding the rubber matrix, mixing, batching off, stopping, and vulcanizing. The rubber material prepared by the method has the advantages of favorable flame retardancy, fire retardancy, high strength, excellent mechanical properties and favorable wear resistance, and can adapt to long-time friction without being damaged. By adding the environment-friendly flame retardant in the mixing process, the flame retardancy is further enhanced. The preparation technique is simple and easy to master.
Description
Technical field
The present invention relates to elastomeric material technical field, be specifically related to a kind of flame retardant brominated isoprene-isobutylene rubber material, also relate to a kind of preparation method of flame retardant brominated isoprene-isobutylene rubber material.
Background technology
Due to macromolecular material light weights such as rubber, water-fast, moisture resistance, electrical insulation capability is excellent, forming process is good, is widely used in aviation, communications and transportation, building and household electrical appliance industry.But because most macromolecular materials are all hydrocarbon polymers, inflammable is their general character, often because fire generation processed is led in overheated and short circuit.Therefore affected to a certain extent the further popularization of the macromolecular materials such as rubber in electrical equipment industry.Therefore the fire-retardant problem that solves the macromolecular materials such as rubber becomes pendulum in the major issue of current application Polymeric Industry development.In the urgent need to exploitation rubber fire retardant.Fire retardant is to make its slack-off a kind of industrial auxiliary agent that burns after making polymkeric substance be difficult for catching fire or catching fire.In numerous flame retardant products, the market scale of bromide fire retardant and Application Areas rank first of each based flame retardant for a long time, its excellent cost performance is that other fire retardant cannot be equal to, application number is the preparation method that CN201210007204.9 discloses a kind of halogen-free fireproof rubber matrix material, and step is: A, formation Al (OH) 3 nanoparticles; B, by the nano-aluminum hydroxide particle of steps A gained, be placed in air dry oven, dry; Described oven dry is that the mixture of aluminum hydroxyl nano particle and silane coupler solution is first dried to 50min at 150 ℃; C, in the terpolymer EP rubber after over-mastication/banburying (EPDM), add the aluminum hydroxyl nano particle of step B, also add rubber oil, promotor, vulcanizing agent, repeatedly mixing to evenly on roller, sheet under thin-pass, obtains EPDM rubber mixed; D, the EPDM flame retardant rubber mixing is put into mould, after vulcanizing first after the mold filling of colding pressing, be placed on again and in the air dry oven on woven fiber glass, carry out post cure and obtain halogen-free fireproof rubber composite finished product, but this kind of fire-retardant rubber material erosion resistance, ozone resistance and ultraviolet resistance are poor, and mechanical performance compare is low, wear no resistance.
Summary of the invention
It is good that problem to be solved by this invention is to provide a kind of erosion resistance, ozone resistance, ultraviolet resistance, and mechanical property is excellent, flame retardant brominated isoprene-isobutylene rubber material that wear resistance is strong and preparation method thereof.
To achieve these goals, the technical scheme that the present invention takes is: a kind of flame retardant brominated isoprene-isobutylene rubber material providing, the chemical composition proportioning of described flame retardant brominated isoprene-isobutylene rubber material comprises 1～4 part of 85～95 parts of brominated butyl rubbers, 8～12 parts of chlorinatedpolyethylenees, 1～4 part of stearic acid, 2～5 parts of zinc chloride, 1～2 part, magnesium chloride, 1～3 part, anti-aging agent, 1～3 part, paraffin, 68～80 parts of fire retardant HT, 25～35 parts, complexing antimony, 1～3 part, sulphur and promotor.
Preferably, the chemical composition proportioning of described flame retardant brominated isoprene-isobutylene rubber material comprises 2.5 parts of 90 parts of brominated butyl rubbers, 10 parts of chlorinatedpolyethylenees, 2 parts of stearic acid, 3 parts of zinc chloride, 1 part, magnesium chloride, 2 parts, anti-aging agent, 2 parts, paraffin, 76 parts of fire retardant HT, 30 parts, complexing antimony, 1.5 parts, sulphur and promotor.
A preparation method for flame retardant brominated isoprene-isobutylene rubber material, described preparation technology carries out according to following steps,
(1) rubber compounding: ready brominated butyl rubber sizing material is sent into and carried out mixingly in mill, and the roller temperature of controlling mill is 35～45 ℃, and mixing 8～10min adds chlorinatedpolyethylene after bag roller, and plays 2～3 triangle bags;
(2) mix, lower: after in step (1), chlorinatedpolyethylene and sizing material mix, add stearic acid, zinc chloride, magnesium chloride, anti-aging agent, paraffin, fire retardant HT, complexing antimony, sulphur and promotor, play 3～5 triangle bags, mix latter lower;
(3) park: the rubber unvulcanizate after lower sheet in step (2) is placed in and under room temperature, parks 23～25h;
(4) sulfuration: put it on vulcanizing press and vulcanize after rubber unvulcanizate is parked end in step (3), controlling curing temperature is 145～160 ℃, and control curing time is 28～36min, can make product after having vulcanized.
Preferably, described step (2) also needs to add 8～12 parts of environmental protection fire retarding agents in mixing process.
Preferably, described environmental protection fire retarding agent is strong prestige powder, magnesium hydroxide, zinc borate or aluminium hydroxide,
Preferably, in described step (4), vulcanizing press used is 45t hydraulic flat vulcanizer.
Adopt technical scheme of the present invention, adopt brominated butyl rubber as body material, it has low gas permeability and good corrosion-resistant, the performances such as resistance to ozone and UV resistant, brominated butyl rubber has not only kept the primary characteristic of isoprene-isobutylene rubber, and improved the activity of vulcanization reaction, Compatibility improvement with unsaturated rubber, autohension, mutual viscosity and co-crosslinking ability improve, in preparation process, pass through the strict addition of controlling each reactive element, the elastomeric material good flame resistance of preparing, can delay to catch fire, reduce voluntarily flame speed, leaving can be rapidly from horizontal blanking after external flame, intensity is high, mechanical property is excellent, wear resistance is good, can adapt to long friction and there will not be breakage, and the fire retardant that adds environment-friendly type in mixing process, further improved its flame retardant properties, preparation technology is simple, easily grasp.
Embodiment
Embodiment 1:
A kind of flame retardant brominated isoprene-isobutylene rubber material and preparation method thereof, the chemical composition proportioning of described flame retardant brominated isoprene-isobutylene rubber material comprises 2 parts of 88 parts of brominated butyl rubbers, 9 parts of chlorinatedpolyethylenees, 2 parts of stearic acid, 2 parts of zinc chloride, 2 parts, magnesium chloride, 2 parts, anti-aging agent, 3 parts, paraffin, 74 parts of fire retardant HT, 32 parts, complexing antimony, 2 parts, sulphur and promotor.
A preparation method for flame retardant brominated isoprene-isobutylene rubber material, described preparation technology carries out according to following steps,
(1) rubber compounding: ready brominated butyl rubber sizing material is sent into and carried out mixingly in mill, and the roller temperature of controlling mill is 35 ℃, and mixing 8min adds chlorinatedpolyethylene after bag roller, and plays 2 triangle bags;
(2) mix, lower: after in step (1), chlorinatedpolyethylene and sizing material mix, add stearic acid, zinc chloride, magnesium chloride, anti-aging agent, paraffin, fire retardant HT, complexing antimony, sulphur and promotor, also need to add 8 parts of environmental protection fire retarding agent zinc borates simultaneously, play 3 triangle bags, mix latter lower;
(3) park: the rubber unvulcanizate after lower sheet in step (2) is placed in and under room temperature, parks 23h;
(4) sulfuration: put it on 45t hydraulic flat vulcanizer and vulcanize after rubber unvulcanizate is parked end in step (3), controlling curing temperature is 146 ℃, and control curing time is 28min, can make product after having vulcanized.
Embodiment 2: all the other are identical with embodiment 1, and difference is that the chemical composition proportioning of described flame retardant brominated isoprene-isobutylene rubber material comprises 2.5 parts of 90 parts of brominated butyl rubbers, 10 parts of chlorinatedpolyethylenees, 2 parts of stearic acid, 3 parts of zinc chloride, 1 part, magnesium chloride, 2 parts, anti-aging agent, 2 parts, paraffin, 76 parts of fire retardant HT, 30 parts, complexing antimony, 1.5 parts, sulphur and promotor; In described step (1), control roller temperature is 38 ℃, and mixing 9min plays 3 triangle bags; In described step (2), add 10 parts strong prestige powder, play 4 triangle bags; In described step (3), the control storage period is 24h; In described step (4), controlling curing temperature is 151 ℃, and control curing time is 30min.
Embodiment 3: all the other are identical with embodiment 1, and difference is that the chemical composition proportioning of described flame retardant brominated isoprene-isobutylene rubber material comprises 3 parts of 92 parts of brominated butyl rubbers, 12 parts of chlorinatedpolyethylenees, 1 part of stearic acid, 2 parts of zinc chloride, 2 parts, magnesium chloride, 3 parts, anti-aging agent, 3 parts, paraffin, 77 parts of fire retardant HT, 30 parts, complexing antimony, 2 parts, sulphur and promotor; In described step (1), control roller temperature is 40 ℃, and mixing 10min plays 3 triangle bags; In described step (2), add 12 parts of zinc borates, play 4 triangle bags; In described step (3), the control storage period is 25h; In described step (4), controlling curing temperature is 155 ℃, and control curing time is 35min.
After above processing step, take out flame retardant rubber sample, to be measured:
From above data, more than the flame retardant rubber sample tensile strength of preparing has reached 7.0MPa, tensile strength is high, and elongation rate of tensile failure, more than 860%, is difficult for being pulled off.Mechanical property is good, and fire-retardant rank is UL-94V-0, has reached highest level, and in protective test, performance well, have good anti-chemical mediator penetrating power, and preparation technology is simple, easy to operate.
Obviously specific implementation of the present invention is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (6)
1. a flame retardant brominated isoprene-isobutylene rubber material, is characterized in that: the chemical composition proportioning of described flame retardant brominated isoprene-isobutylene rubber material comprises 1～4 part of 85～95 parts of brominated butyl rubbers, 8～12 parts of chlorinatedpolyethylenees, 1～4 part of stearic acid, 2～5 parts of zinc chloride, 1～2 part, magnesium chloride, 1～3 part, anti-aging agent, 1～3 part, paraffin, 68～80 parts of fire retardant HT, 25～35 parts, complexing antimony, 1～3 part, sulphur and promotor.
2. a kind of flame retardant brominated isoprene-isobutylene rubber material according to claim 1, is characterized in that: the chemical composition proportioning of described flame retardant brominated isoprene-isobutylene rubber material comprises 2.5 parts of 90 parts of brominated butyl rubbers, 10 parts of chlorinatedpolyethylenees, 2 parts of stearic acid, 3 parts of zinc chloride, 1 part, magnesium chloride, 2 parts, anti-aging agent, 2 parts, paraffin, 76 parts of fire retardant HT, 30 parts, complexing antimony, 1.5 parts, sulphur and promotor.
3. a preparation method for flame retardant brominated isoprene-isobutylene rubber material according to claim 1 and 2, is characterized in that: described preparation technology carries out according to following steps,
(1) rubber compounding: ready brominated butyl rubber sizing material is sent into and carried out mixingly in mill, and the roller temperature of controlling mill is 35～45 ℃, and mixing 8～10min adds chlorinatedpolyethylene after bag roller, and plays 2～3 triangle bags;
(2) mix, lower: after chlorinatedpolyethylene and sizing material mix in step (1), add stearic acid, zinc chloride, magnesium chloride, anti-aging agent, paraffin, fire retardant HT, complexing antimony, sulphur and promotor, play 3～5 triangle bags, mix latter lower;
(3) park: the rubber unvulcanizate after lower sheet in step (2) is placed in and under room temperature, parks 23～25h;
(4) sulfuration: put it on vulcanizing press and vulcanize after rubber unvulcanizate is parked end in step (3), controlling curing temperature is 145～160 ℃, and control curing time is 28～36min, can make product after having vulcanized.
4. the preparation method of a kind of flame retardant brominated isoprene-isobutylene rubber material according to claim 3, is characterized in that: described step (2) also needs to add 8～12 parts of environmental protection fire retarding agents in mixing process.
5. the preparation method of a kind of flame retardant brominated isoprene-isobutylene rubber material according to claim 4, is characterized in that: described environmental protection fire retarding agent is strong prestige powder, magnesium hydroxide, zinc borate or aluminium hydroxide.
6. the preparation method of a kind of flame retardant brominated isoprene-isobutylene rubber material according to claim 3, is characterized in that: in described step (4), vulcanizing press used is 45t hydraulic flat vulcanizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410427736.7A CN104194172A (en) | 2014-08-27 | 2014-08-27 | Flame-retardant brominated butyl rubber material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410427736.7A CN104194172A (en) | 2014-08-27 | 2014-08-27 | Flame-retardant brominated butyl rubber material and preparation method thereof |
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| CN104194172A true CN104194172A (en) | 2014-12-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105348661A (en) * | 2015-11-15 | 2016-02-24 | 北京化工大学 | Low-cost tyre inner liner rubber material and preparation technology thereof |
Citations (2)
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|---|---|---|---|---|
| CN1834142A (en) * | 2006-03-03 | 2006-09-20 | 四川大学 | Blend sulfurized compound damping material of butyl rubber/chlorinated polyethylene olefin and prepn. process |
| CN102585319A (en) * | 2012-01-11 | 2012-07-18 | 华东理工大学 | Vulcanizing system of brominated butyl rubber/ polypropylene thermoplastic elastomer sealing material and preparation method for sealing material |
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2014
- 2014-08-27 CN CN201410427736.7A patent/CN104194172A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1834142A (en) * | 2006-03-03 | 2006-09-20 | 四川大学 | Blend sulfurized compound damping material of butyl rubber/chlorinated polyethylene olefin and prepn. process |
| CN102585319A (en) * | 2012-01-11 | 2012-07-18 | 华东理工大学 | Vulcanizing system of brominated butyl rubber/ polypropylene thermoplastic elastomer sealing material and preparation method for sealing material |
Non-Patent Citations (2)
| Title |
|---|
| 周铁明等: ""溴化丁基胶环保阻燃的研究（一）", 《中国橡胶》 * |
| 周铁明等: ""溴化丁基胶环保阻燃的研究（二）"", 《中国橡胶》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105348661A (en) * | 2015-11-15 | 2016-02-24 | 北京化工大学 | Low-cost tyre inner liner rubber material and preparation technology thereof |
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Application publication date: 20141210 |