CN104592650B - Cable fire retardant trielement ethylene-propylene rubber set and preparation method thereof - Google Patents
Cable fire retardant trielement ethylene-propylene rubber set and preparation method thereof Download PDFInfo
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- CN104592650B CN104592650B CN201510012623.5A CN201510012623A CN104592650B CN 104592650 B CN104592650 B CN 104592650B CN 201510012623 A CN201510012623 A CN 201510012623A CN 104592650 B CN104592650 B CN 104592650B
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- fire retardant
- rubber
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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
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
-
- 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
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
Abstract
The invention discloses a kind of cable fire retardant trielement ethylene-propylene rubber set and preparation method thereof, described preparation method includes: a, make rubber master batch by mixing to ethylene propylene diene rubber, fume colloidal silica, chlorinated paraffin, aluminium hydroxide, HBCD, boehmite and sodium molybdate；B, by vulcanizing agent and described milling maternal rubber to carry out primary vulcanization process；C, the described rubber master batch after primary vulcanization is carried out in an oven second time vulcanize to make cable fire retardant trielement ethylene-propylene rubber；D, cable fire retardant trielement ethylene-propylene rubber set is made in described cable fire retardant trielement ethylene-propylene rubber extrusion molding.The cable fire retardant trielement ethylene-propylene rubber set prepared by the method has the anti-flammability of excellence.
Description
Technical field
The present invention relates to rubber, in particular it relates to a kind of cable fire retardant trielement ethylene-propylene rubber set.
Background technology
The cushion of cable is made up of rubber mostly, and existing cushion rubber layer is merely capable of playing buffering and makees
With, in the case of the most on fire, rubber then can at high temperature be decomposed into flammable lower-molecular substance.Can
Combustion property lower-molecular substance carries out violent oxidation reaction with oxygen with then interrogating speed, and oxidation reaction is released a large amount of
Heat then can promote the decomposition of rubber, the product such as low mass molecule alcohol, aldehyde in simultaneous oxidation reaction further
Also oxidation reaction can be carried out with oxygen until rubber burnouts.
Summary of the invention
It is an object of the invention to provide a kind of cable fire retardant trielement ethylene-propylene rubber set and preparation method thereof, logical
Cross the prepared cable fire retardant trielement ethylene-propylene rubber set of the method and there is the anti-flammability of excellence.
To achieve these goals, the invention provides the system of a kind of cable fire retardant trielement ethylene-propylene rubber set
Preparation Method, described preparation method includes:
A, by ethylene propylene diene rubber, fume colloidal silica, chlorinated paraffin, aluminium hydroxide, hexabromo ring ten
Dioxane, boehmite and sodium molybdate are mixing makes rubber master batch；
B, by vulcanizing agent and described milling maternal rubber to carry out primary vulcanization process；
C, the described rubber master batch after primary vulcanization is carried out in an oven second time vulcanize to make cable and use
Fire retardant trielement ethylene-propylene rubber；
D, cable fire retardant trielement ethylene-propylene is made in described cable fire retardant trielement ethylene-propylene rubber extrusion molding
Rubber sleeve.
Present invention also offers and additionally provide a kind of cable fire retardant trielement ethylene-propylene rubber set, described cable is used
Fire retardant trielement ethylene-propylene rubber set is prepared from by above-mentioned method.
By technique scheme, the cable fire retardant trielement ethylene-propylene rubber set that the present invention provides passes through ternary
EP rubbers, fume colloidal silica, chlorinated paraffin, aluminium hydroxide, HBCD, boehmite,
Vulcanizing agent and the synergism of sodium molybdate so that this cable fire retardant trielement ethylene-propylene rubber is enclosed within the feelings of burning
Can interrogate under condition decompose fastly water outlet, fire-retardant gas (such as nitrogen), rubber surface formed sintering soon with
And generate halogen radical thus the carrying out of prevention combustion reaction effectively.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Detailed description of the invention
Hereinafter the detailed description of the invention of the present invention is described in detail.It should be appreciated that this place is retouched
The detailed description of the invention stated is merely to illustrate and explains the present invention, is not limited to the present invention.
The invention provides the preparation method of a kind of cable fire retardant trielement ethylene-propylene rubber set, described preparation side
Method includes:
A, by ethylene propylene diene rubber, fume colloidal silica, chlorinated paraffin, aluminium hydroxide, hexabromo ring ten
Dioxane, boehmite and sodium molybdate are mixing makes rubber master batch；
B, by vulcanizing agent and described milling maternal rubber to carry out primary vulcanization process；
C, the described rubber master batch after primary vulcanization is carried out in an oven second time vulcanize to make cable and use
Fire retardant trielement ethylene-propylene rubber；
D, cable fire retardant trielement ethylene-propylene is made in described cable fire retardant trielement ethylene-propylene rubber extrusion molding
Rubber sleeve.
In step a of the present invention, the consumption of each raw material can select in wide scope, but in order to
The cable fire retardant trielement ethylene-propylene rubber set prepared is made to have more excellent anti-flammability, it is preferable that in step
In rapid a, relative to the described ethylene propylene diene rubber of 100 weight portions, the consumption of described fume colloidal silica
For 160-190 weight portion, the consumption of described chlorinated paraffin is 3-7 weight portion, the use of described aluminium hydroxide
Amount is 35-55 weight portion, and the consumption of described HBCD is 4-8 weight portion, described boehmite
Consumption is 7-10 weight portion, and the consumption of described sodium molybdate is 0.3-1.2 weight portion.
In step b of the present invention, the consumption of each raw material can select in wide scope, but in order to
The cable fire retardant trielement ethylene-propylene rubber set prepared is made to have more excellent anti-flammability, it is preferable that in step
In rapid b, relative to the described rubber master batch of 100 weight portions, the consumption of described vulcanizing agent is 0.2-0.8 weight
Part.
In the present invention, described chlorinated paraffin can be one-component can also be various ingredients mixing and
Become, but so that the cable fire retardant trielement ethylene-propylene rubber set prepared has more excellent anti-flammability,
Preferably, described chlorinated paraffin is selected from chlorinated paraffin-50 and chlorinated paraffin-70.In order to improve system further
The cable fire retardant trielement ethylene-propylene rubber set obtained has more excellent anti-flammability, it is highly preferred that described chlorination
Paraffin-50 is 1:1.5-2 with the weight ratio of described chlorinated paraffin-70.
In the present invention, the concrete component of described vulcanizing agent can select in wide scope, but in order to
The cable fire retardant trielement ethylene-propylene rubber set prepared is made to have more excellent anti-flammability, it is preferable that described
Vulcanizing agent selected from dual-tert-butyl cumene hydroperoxide, dicumyl peroxide, benzoyl peroxide and
One or more in 2,4-dichloride benzoyl peroxide.In order to improve prepared cable resistance further
Combustion ethylene propylene diene rubber set has more excellent anti-flammability, it is highly preferred that described vulcanizing agent contains described double
T-butylperoxyisopropyl benzene, dicumyl peroxide, benzoyl peroxide and 2,4-dichloride mistake
BP；Further, relative to the described dual-tert-butyl cumene hydroperoxide of 1 weight portion, described
The consumption of dicumyl peroxide is 0.5-0.6 weight portion, and the consumption of described benzoyl peroxide is
0.1-0.2 weight portion, the consumption of described 2,4-dichloride benzoyl peroxide is 0.2-0.4 weight portion.
In the present invention, the actual conditions of primary vulcanization can select in wide scope, but in order to
The cable fire retardant trielement ethylene-propylene rubber set prepared is made to have more excellent anti-flammability, it is preferable that described
Primary vulcanization meets following condition: curing temperature is 120-170 DEG C, and cure time is 15-20min,
Sulfide stress is 10-12Mpa.
In the present invention, the actual conditions of second time sulfuration can select in wide scope, but in order to
The cable fire retardant trielement ethylene-propylene rubber set prepared is made to have more excellent anti-flammability, it is preferable that described
Second time sulfuration meets following condition: curing temperature is 210-220 DEG C, and cure time is 3-5h.
Present invention also offers a kind of cable fire retardant trielement ethylene-propylene rubber set, the fire-retardant ternary of described cable
EP rubbers set is prepared from by above-mentioned method.
Hereinafter will be described the present invention by embodiment.In following example, the self-extinguishment time
Parameter is recorded by the method for UL-94, and oxygen index (OI) parameter is recorded by the method for GB/T10707-89.
Embodiment 1
A, it is the vapor phase method Linesless charcoal of A200 by ethylene propylene diene rubber 100kg that the trade mark is 4770R, the trade mark
Black 180kg, 5kg chlorinated paraffin-50, aluminium hydroxide 45kg, HBCD 6kg, boehmite 9kg
Mixing with sodium molybdate 0.8kg make rubber master batch；
B, under 150 DEG C and 11Mpa, by dual-tert-butyl cumene hydroperoxide 0.5kg and above-mentioned mother
The mixing 17min of glue 100kg carries out primary vulcanization process；
C, at 215 DEG C, the described rubber master batch after primary vulcanization is carried out in an oven second time vulcanize
4h is to make cable fire retardant trielement ethylene-propylene rubber；
D, cable fire retardant trielement ethylene-propylene is made in above-mentioned cable fire retardant trielement ethylene-propylene rubber extrusion molding
Rubber sleeve A1.
The fire resistance parameter of this cable fire retardant trielement ethylene-propylene rubber set is shown in Table 1.
Embodiment 2
A, it is the vapor phase method Linesless charcoal of A200 by ethylene propylene diene rubber 100kg that the trade mark is 4770R, the trade mark
Black 190kg, 7kg chlorinated paraffin-50, aluminium hydroxide 55kg, HBCD 8kg, boehmite 10kg
Mixing with sodium molybdate 1.2kg make rubber master batch；
B, under 170 DEG C and 12Mpa, by dual-tert-butyl cumene hydroperoxide 0.8kg and above-mentioned mother
The mixing 20min of glue 100kg carries out primary vulcanization process；
C, at 220 DEG C, the described rubber master batch after primary vulcanization is carried out in an oven second time vulcanize
5h is to make cable fire retardant trielement ethylene-propylene rubber；
D, cable fire retardant trielement ethylene-propylene is made in above-mentioned cable fire retardant trielement ethylene-propylene rubber extrusion molding
Rubber sleeve A2.
The fire resistance parameter of this cable fire retardant trielement ethylene-propylene rubber set is shown in Table 1.
Embodiment 3
A, it is the vapor phase method Linesless charcoal of A200 by ethylene propylene diene rubber 100kg that the trade mark is 4770R, the trade mark
Black 160kg, 3kg chlorinated paraffin-50, aluminium hydroxide 35kg, HBCD 4kg, boehmite 7kg
Mixing with sodium molybdate 0.3kg make rubber master batch；
B, under 120 DEG C and 10Mpa, by dual-tert-butyl cumene hydroperoxide 0.2kg and above-mentioned mother
The mixing 15min of glue 100kg carries out primary vulcanization process；
C, at 210 DEG C, the described rubber master batch after primary vulcanization is carried out in an oven second time vulcanize
3h is to make cable fire retardant trielement ethylene-propylene rubber；
D, cable fire retardant trielement ethylene-propylene is made in above-mentioned cable fire retardant trielement ethylene-propylene rubber extrusion molding
Rubber sleeve A3.
The fire resistance parameter of this cable fire retardant trielement ethylene-propylene rubber set is shown in Table 1.
Embodiment 4
Carry out preparing cable fire retardant trielement ethylene-propylene rubber according to the method for embodiment 1 and overlap A4, different
It is that chlorinated paraffin-50 is changed into chlorinated paraffin-50 and chlorinated paraffin-70 (weight ratio of the two is 1:1.7).
The fire resistance parameter of this cable fire retardant trielement ethylene-propylene rubber set is shown in Table 1.
Comparative example 5
Carry out preparing cable fire retardant trielement ethylene-propylene rubber according to the method for embodiment 1 and overlap A5, different
It is dual-tert-butyl cumene hydroperoxide to be changed dual-tert-butyl cumene hydroperoxide, peroxidating two into different
Propylbenzene, benzoyl peroxide and 2,4-dichloride benzoyl peroxide (weight ratio of four is 1:
0.5:0.15:0.3).The fire resistance parameter of this cable fire retardant trielement ethylene-propylene rubber set is shown in Table 1.
Comparative example 1
Carry out preparing cable fire retardant trielement ethylene-propylene rubber according to the method for embodiment 1 and overlap B1, different
It is, without chlorinated paraffin.The fire resistance parameter of this cable fire retardant trielement ethylene-propylene rubber set is shown in Table 1.
Comparative example 2
Carry out preparing cable fire retardant trielement ethylene-propylene rubber according to the method for embodiment 1 and overlap B2, different
It is, without boehmite.The fire resistance parameter of this cable fire retardant trielement ethylene-propylene rubber set is shown in Table 1.
Comparative example 3
Carry out preparing cable fire retardant trielement ethylene-propylene rubber according to the method for embodiment 1 and overlap B3, different
It is, without sodium molybdate.The fire resistance parameter of this cable fire retardant trielement ethylene-propylene rubber set is shown in Table 1.
Comparative example 4
Carry out preparing cable fire retardant trielement ethylene-propylene rubber according to the method for embodiment 1 and overlap B4, different
It is, without aluminium hydroxide.The fire resistance parameter of this cable fire retardant trielement ethylene-propylene rubber set is shown in Table 1.
Table 1
| A1 | A2 | A3 | A4 | A5 | B1 | B2 | B3 | B4 | |
| Self-extinguishment time/s | 6 | 4 | 5 | 3 | 2 | 25 | 20 | 31 | 28 |
| Limited oxygen index/% | 26 | 27 | 25 | 29 | 30 | 17 | 20 | 19 | 18 |
From above-described embodiment and comparative example, the cable fire retardant trielement ethylene-propylene rubber set that the present invention provides
There is the flame retardant effect of excellence.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited to above-mentioned reality
Execute the detail in mode, in the technology concept of the present invention, can be to the technical side of the present invention
Case carries out multiple simple variant, and these simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technology described in above-mentioned detailed description of the invention is special
Levy, in the case of reconcilable, can be combined by any suitable means, in order to avoid need not
The repetition wanted, various possible compound modes are illustrated by the present invention the most separately.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as its
Without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (8)
1. the preparation method that a cable overlaps with fire retardant trielement ethylene-propylene rubber, it is characterised in that described system
Preparation Method includes:
A, by ethylene propylene diene rubber, fume colloidal silica, chlorinated paraffin, aluminium hydroxide, hexabromo ring ten
Dioxane, boehmite and sodium molybdate are mixing makes rubber master batch；
B, by vulcanizing agent and described milling maternal rubber to carry out primary vulcanization process；
C, the described rubber master batch after primary vulcanization is carried out in an oven second time vulcanize to make cable and use
Fire retardant trielement ethylene-propylene rubber；
D, cable fire retardant trielement ethylene-propylene is made in described cable fire retardant trielement ethylene-propylene rubber extrusion molding
Rubber sleeve；
Wherein, in step a, relative to the described ethylene propylene diene rubber of 100 weight portions, described gas phase
The consumption of method white carbon is 160-190 weight portion, and the consumption of described chlorinated paraffin is 3-7 weight portion, institute
The consumption stating aluminium hydroxide is 35-55 weight portion, and the consumption of described HBCD is 4-8 weight portion,
The consumption of described boehmite is 7-10 weight portion, and the consumption of described sodium molybdate is 0.3-1.2 weight portion；?
In step b, relative to the described rubber master batch of 100 weight portions, the consumption of described vulcanizing agent is 0.2-0.8 weight
Amount part.
Preparation method the most according to claim 1, wherein, described chlorinated paraffin is selected from chlorination stone
Wax-50 and chlorinated paraffin-70.
Preparation method the most according to claim 2, wherein, described chlorinated paraffin-50 and described chlorine
The weight ratio of fossil waxes-70 is 1:1.5-2.
4. according to the preparation method described in any one in claim 1-3, wherein, described vulcanizing agent
Selected from dual-tert-butyl cumene hydroperoxide, dicumyl peroxide, benzoyl peroxide and 2,4-bis-
One or more in chlorination benzoyl peroxide.
Preparation method the most according to claim 4, wherein, described vulcanizing agent contains described couple of uncle
Butyl peroxy cumene, dicumyl peroxide, benzoyl peroxide and 2,4-dichloride peroxide
Change benzoyl；Further, relative to the described dual-tert-butyl cumene hydroperoxide of 1 weight portion, described mistake
The consumption of oxidation diisopropyl benzene is 0.5-0.6 weight portion, and the consumption of described benzoyl peroxide is 0.1-0.2
Weight portion, the consumption of described 2,4-dichloride benzoyl peroxide is 0.2-0.4 weight portion.
6. according to the preparation method described in any one in claim 1-3, wherein, described first time
Sulfuration meets following condition: curing temperature is 120-170 DEG C, and cure time is 15-20min, sulfuration pressure
Power is 10-12Mpa.
Preparation method the most according to claim 6, wherein, described second time vulcanizes below satisfied
Condition: curing temperature is 210-220 DEG C, cure time is 3-5h.
8. a cable fire retardant trielement ethylene-propylene rubber set, it is characterised in that described cable is with fire-retardant three
Unit's EP rubbers set is prepared from by the method described in any one in claim 1-7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510012623.5A CN104592650B (en) | 2015-01-09 | 2015-01-09 | Cable fire retardant trielement ethylene-propylene rubber set and preparation method thereof |
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| CN201510012623.5A CN104592650B (en) | 2015-01-09 | 2015-01-09 | Cable fire retardant trielement ethylene-propylene rubber set and preparation method thereof |
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| CN107501762A (en) * | 2017-09-12 | 2017-12-22 | 芜湖航天特种电缆厂股份有限公司 | Track traffic environmental-friendflame-retardant flame-retardant cable and preparation method thereof |
| CN107459720A (en) * | 2017-09-12 | 2017-12-12 | 芜湖航天特种电缆厂股份有限公司 | Track traffic retardant cable insulating materials and preparation method thereof |
| CN108864575A (en) * | 2018-06-15 | 2018-11-23 | 南通智达光缆材料有限公司 | Cable fire retardant trielement ethylene-propylene rubber set and preparation method thereof |
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| CN103509257A (en) * | 2013-08-30 | 2014-01-15 | 安徽天民电气科技有限公司 | 105 DEG C low-smoke zero-halogen flame-retardant ethylene-propylene-diene monomer cable material and preparation method thereof |
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Address after: 241000 Wuhu high tech Development Zone, Anhui, No. 15 Zhanghe Road Applicant after: WUHU SPACEFLIGHT SPECIAL CABLE FACTORY CO., LTD. Address before: 241000 Wuhu high tech Development Zone, Anhui, No. 15 Zhanghe Road Applicant before: Wuhu Aerospace Special Cable Factory |
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