CN109135076A - A kind of insulation compound formula and preparation method thereof of low pressure rubber cable product - Google Patents
A kind of insulation compound formula and preparation method thereof of low pressure rubber cable product Download PDFInfo
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- CN109135076A CN109135076A CN201811177413.1A CN201811177413A CN109135076A CN 109135076 A CN109135076 A CN 109135076A CN 201811177413 A CN201811177413 A CN 201811177413A CN 109135076 A CN109135076 A CN 109135076A
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
- 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 present invention provides a kind of insulation compound formula and preparation method thereof of low pressure rubber cable product, the mass fraction of component is as follows in the formula: 100-120 parts of ethylene propylene diene rubber, 40-50 parts of POE elastomer, and 2500 150-170 parts of mesh talcum powder, 120-140 parts of calcinated argil, 40-50 parts of 300# paraffin oil, 1-5 parts of silane coupling agent, 1-5 parts of stearic acid, 10-20 parts of zinc oxide, antioxidant MB and RD are 1-5 parts, 1-10 parts of assistant crosslinking agent TAIC, 1-10 parts of vulcanizing agent DCP total.The present invention furthers investigate POE elastomer, its performance is set to play more large effect by changing auxiliary material proportion, significantly improve the elongation at break and ageing properties of this insulation compound, in addition the also gain in tensile property and toughness, can effectively replace part EP rubbers masterbatch, is effectively reduced processing cost.
Description
Technical field
The present invention relates to the insulation compound formulas and its preparation of rubber manufacturing field, in particular to a kind of low pressure rubber cable product
Method.
Background technique
Colliery industry starts to get warm again after a cold spell within 2017, this has directly driven the market demand of coal mine cable, but according to market row
Feelings, formula chinese raw materials price compared with last year, great changes have taken place, therefore, the improvement for the formula that insulate be it is imperative, need to develop
It is a kind of it is more inexpensive, higher performance formula come the needs of meeting self-growth and market.POE elastomer has toughness high, resistance to
The characteristics of aging, can effectively improve elongation at break and ageing properties, and does not need to be kneaded and vulcanize, and have good processability
Can, can effectively replace part ethylene propylene diene rubber reduces production cost, but the addition of POE can be such that tensile strength reduces, so
POE additional amount need to be controlled within 20%, and the reinforcing agents such as calcinated argil need to be added to improve its tensile property.
Summary of the invention
The purpose of the present invention is to provide a kind of insulation compound formula and preparation method thereof of low pressure rubber cable product, POE bullets
Property body addition can be effectively improved rubber tensile strength and ageing-resistant performance, in addition, POE do not need be kneaded and vulcanize, this property
It can effectively improve process velocity.
Technical solution of the present invention:
A kind of insulation compound formula of low pressure rubber cable product, the mass fraction of component is as follows in the formula: EPDM
100-120 parts of rubber, 40-50 parts of POE elastomer, 2500 150-170 parts of mesh talcum powder, 120-140 parts of calcinated argil, 300# stone
40-50 parts of wax oil, 1-5 parts of silane coupling agent, 1-5 parts of stearic acid, 10-20 parts of zinc oxide, antioxidant MB and RD are 1-5 parts total,
1-10 parts of assistant crosslinking agent TAIC, 1-10 parts of vulcanizing agent DCP.
The mass fraction of component is as follows in the formula: 120 parts of ethylene propylene diene rubber, 50 parts of POE elastomer, 2500 mesh are sliding
170 parts of mountain flour, 140 parts of calcinated argil, 50 parts of 300# paraffin oil, 5 parts of silane coupling agent, 5 parts of stearic acid, 20 parts of zinc oxide, prevent
Old agent MB and RD is 5 parts, 10 parts of assistant crosslinking agent TAIC, 10 parts of vulcanizing agent DCP total.
A kind of insulation compound preparation method of low pressure rubber cable product, includes the following steps:
According to mass fraction, by 100-120 parts of ethylene propylene diene rubber, 40-50 parts of POE elastomer, 2500 mesh talcum powder
150-170 parts, 40-50 parts of 300# paraffin oil are put into mixer and stir；
Then by 1-5 parts of silane coupling agent, 1-5 parts of stearic acid, 10-20 parts of zinc oxide, antioxidant MB and RD add up to 1-5
Part, 1-10 parts of assistant crosslinking agent TAIC packings are put into mixer stirring；
It finally is put into mixer stirring by 120-140 parts of calcinated argil, mixing is completed when rubber compounding is to 110 DEG C, cooling
The storage of semi-finished product sizing material is obtained to room temperature；
Semi-finished product sizing material is put into mixer, 1-10 part of vulcanizing agent DCP are added when being kneaded to 80 DEG C, continues mixing extremely
It is kneaded and completes at 90 DEG C, take out finished product sizing material；
Finished product sizing material passes through mill, filters rubber, rolls, and required electro-insulating rubber is obtained after clot step.
Compared with prior art, the beneficial effects of the present invention are: the present invention furthers investigate POE elastomer, pass through
Changing auxiliary material proportion makes its performance play more large effect, significantly improves the elongation at break and ageing properties of this insulation compound, separately
Also processing cost is effectively reduced in gain in external tensile property and toughness, can effectively replace part EP rubbers masterbatch.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
The present invention provides a kind of technical solution:
A kind of insulation compound formula of low pressure rubber cable product, the mass fraction of component is as follows in the formula: EPDM
100-120 parts of rubber, 40-50 parts of POE elastomer, 2500 150-170 parts of mesh talcum powder, 120-140 parts of calcinated argil, 300# stone
40-50 parts of wax oil, 1-5 parts of silane coupling agent, 1-5 parts of stearic acid, 10-20 parts of zinc oxide, antioxidant MB and RD are 1-5 parts total,
1-10 parts of assistant crosslinking agent TAIC, 1-10 parts of vulcanizing agent DCP.
The mass fraction of component is as follows in the formula: 120 parts of ethylene propylene diene rubber, 50 parts of POE elastomer, and 2500 mesh
170 parts of talcum powder, 140 parts of calcinated argil, 50 parts of 300# paraffin oil, 5 parts of silane coupling agent, 5 parts of stearic acid, 20 parts of zinc oxide,
Antioxidant MB and RD are 5 parts, 10 parts of assistant crosslinking agent TAIC, 10 parts of vulcanizing agent DCP total.
A kind of insulation compound preparation method of low pressure rubber cable product, includes the following steps:
According to mass fraction, by 100-120 parts of ethylene propylene diene rubber, 40-50 parts of POE elastomer, 2500 mesh talcum powder
150-170 parts, 40-50 parts of 300# paraffin oil are put into mixer and stir；
Then by 1-5 parts of silane coupling agent, 1-5 parts of stearic acid, 10-20 parts of zinc oxide, antioxidant MB and RD add up to 1-5
Part, TAIC1-10 parts of assistant crosslinking agent packings are put into mixer stirring；
It finally is put into mixer stirring by 120-140 parts of calcinated argil, mixing is completed when rubber compounding is to 110 DEG C, cooling
The storage of semi-finished product sizing material is obtained to room temperature；
Semi-finished product sizing material is put into mixer, vulcanizing agent DCP1-10 part is added when being kneaded to 80 DEG C, continues mixing to 90
DEG C when be kneaded complete, take out finished product sizing material；
Finished product sizing material passes through mill, filters rubber, rolls, and required electro-insulating rubber is obtained after clot step.
Test example A (POE is not added)
A kind of mass fraction of the insulation formula materials of low pressure rubber cable product are as follows: 100-120 parts of ethylene propylene diene rubber,
2500 150-170 parts of mesh talcum powder, 120-140 parts of calcinated argil, 40-50 parts of 300# paraffin oil, 1-5 parts of silane coupling agent, firmly
1-5 parts of resin acid, 10-20 parts of zinc oxide, antioxidant MB and RD are 1-5 parts total, and TAIC1-10 parts of assistant crosslinking agent, vulcanizing agent DCP1-
10 parts.
The preparation process following steps of test example A (POE is not added):
This preparation process is two-step method calendering process, and the first step process includes the following steps:
By 100-120 parts of ethylene propylene diene rubber, 2500 150-170 parts of mesh talcum powder are 40-50 parts of 300# paraffin oil etc. big
Material, which is put into mixer, to be stirred；
Then by 1-5 parts of silane coupling agent, 1-5 parts of stearic acid, 10-20 parts of zinc oxide, antioxidant MB and RD add up to 1-5
Part, the small powders packings such as TAIC1-10 parts of assistant crosslinking agent are put into mixer stirring；
Finally be put into mixer stirring for 120-140 parts of calcinated argil, mixing is completed when rubber compounding is to 110 DEG C, half at
The storage of product sizing material.
Second step process includes the following steps:
Semi-finished product sizing material is put into mixer, vulcanizing agent DCP1-10 part is added when being kneaded to 80 DEG C, continues mixing to 90
DEG C when be kneaded complete, take out finished product sizing material.
After the completion of two-step method calendering process, finished product sizing material pass through mill, filter rubber, calendering, clot and etc. rear obtained test
Sample A.
(POE is added) in test example B
A kind of mass fraction of the insulation formula materials of low pressure rubber cable product are as follows: 100-120 parts of ethylene propylene diene rubber, POE
40-50 parts of elastomer, 2500 150-170 parts of mesh talcum powder, 120-140 parts of calcinated argil, 40-50 parts of 300# paraffin oil, silane
1-5 parts of coupling agent, 1-5 parts of stearic acid, 10-20 parts of zinc oxide, antioxidant MB and RD are 1-5 parts total, assistant crosslinking agent TAIC1-10
Part, DCP1-10 parts of vulcanizing agent.
The preparation process following steps of test example B (POE is added):
This preparation process is two-step method calendering process, and the first step process includes the following steps:
By 100-120 parts of ethylene propylene diene rubber, 40-50 parts of POE elastomer, 2500 150-170 parts of mesh talcum powder, 300#
The aniseed such as 40-50 parts of paraffin oil are put into mixer and stir；
Then by 1-5 parts of silane coupling agent, 1-5 parts of stearic acid, 10-20 parts of zinc oxide, antioxidant MB and RD add up to 1-5
Part, the small powders packings such as TAIC1-10 parts of assistant crosslinking agent are put into mixer stirring；
Finally be put into mixer stirring for 120-140 parts of calcinated argil, mixing is completed when rubber compounding is to 110 DEG C, half at
The storage of product sizing material.
Second step process includes the following steps:
Semi-finished product sizing material is put into mixer, vulcanizing agent DCP1-10 part is added when being kneaded to 80 DEG C, continues mixing to 90
DEG C when be kneaded complete, take out finished product sizing material.
After the completion of two-step method calendering process, finished product sizing material pass through mill, filter rubber, calendering, clot and etc. rear obtained test
Sample B.
Performance test
Embodiment one: sample number into spectrum A1
100 parts of ethylene propylene diene rubber, 2,500 150 parts of mesh talcum powder, 120 parts of calcinated argil, 40 parts of 300# paraffin oil, silicon
1 part of alkane coupling agent, 1 part of stearic acid, 10 parts of zinc oxide, antioxidant MB and RD are 1 part total, and 1 part of assistant crosslinking agent TAIC, vulcanizing agent
1 part of DCP.
The preparation process following steps of A1:
This preparation process is two-step method calendering process, and the first step process includes the following steps:
By 100 parts of ethylene propylene diene rubber, 2,500 150 parts of mesh talcum powder, 40 portions of aniseed of 300# paraffin oil are put into mixer
Stirring；
Then by 1 part of silane coupling agent, 1 part of stearic acid, 10 parts of zinc oxide, antioxidant MB and RD are 1 part total, assistant crosslinking agent
1 part of small powder packing of TAIC is put into mixer stirring；
It finally is put into mixer stirring by 120 parts of calcinated argil, mixing is completed when rubber compounding is to 110 DEG C, semi-finished product glue
Material storage.
Second step process includes the following steps:
Semi-finished product sizing material is put into mixer, 1 part of vulcanizing agent DCP is added when being kneaded to 80 DEG C, continues to be kneaded to 90 DEG C
When be kneaded complete, take out finished product sizing material.
After the completion of two-step method calendering process, finished product sizing material pass through mill, filter rubber, calendering, clot and etc. rear obtained test
Sample A1.
Embodiment two: sample number into spectrum A2
105 parts of ethylene propylene diene rubber, 2,500 155 parts of mesh talcum powder, 125 parts of calcinated argil, 45 parts of 300# paraffin oil, silicon
2 parts of alkane coupling agent, 2 parts of stearic acid, 12 parts of zinc oxide, antioxidant MB and RD are 2 parts total, and 4 parts of assistant crosslinking agent TAIC, vulcanizing agent
4 parts of DCP.
The preparation process following steps of A2:
This preparation process is two-step method calendering process, and the first step process includes the following steps:
By 105 parts of ethylene propylene diene rubber, 2,500 155 parts of mesh talcum powder, 45 portions of aniseed of 300# paraffin oil are put into mixer
Stirring；
Then by 2 parts of silane coupling agent, 2 parts of stearic acid, 12 parts of zinc oxide, antioxidant MB and RD are 2 parts total, assistant crosslinking agent
4 parts of small powder packings of TAIC are put into mixer stirring；
It finally is put into mixer stirring by 125 parts of calcinated argil, mixing is completed when rubber compounding is to 110 DEG C, semi-finished product glue
Material storage.
Second step process includes the following steps:
Semi-finished product sizing material is put into mixer, 4 parts of vulcanizing agent DCP are added when being kneaded to 80 DEG C, continues to be kneaded to 90 DEG C
When be kneaded complete, take out finished product sizing material.
After the completion of two-step method calendering process, finished product sizing material pass through mill, filter rubber, calendering, clot and etc. rear obtained test
Sample A2.
Embodiment three: sample number into spectrum A3
110 parts of ethylene propylene diene rubber, 2,500 160 parts of mesh talcum powder, 130 parts of calcinated argil, 50 parts of 300# paraffin oil, silicon
3 parts of alkane coupling agent, 3 parts of stearic acid, 15 parts of zinc oxide, antioxidant MB and RD are 3 parts total, and 5 parts of assistant crosslinking agent TAIC, vulcanizing agent
5 parts of DCP.
The preparation process following steps of A3:
This preparation process is two-step method calendering process, and the first step process includes the following steps:
By 110 parts of ethylene propylene diene rubber, 2,500 160 parts of mesh talcum powder, 50 portions of aniseed of 300# paraffin oil are put into mixer
Stirring；
Then by 3 parts of silane coupling agent, 3 parts of stearic acid, 15 parts of zinc oxide, antioxidant MB and RD are 3 parts total, assistant crosslinking agent
5 parts of small powder packings of TAIC are put into mixer stirring；
It finally is put into mixer stirring by 130 parts of calcinated argil, mixing is completed when rubber compounding is to 110 DEG C, semi-finished product glue
Material storage.
Second step process includes the following steps:
Semi-finished product sizing material is put into mixer, 5 parts of vulcanizing agent DCP are added when being kneaded to 80 DEG C, continues to be kneaded to 90 DEG C
When be kneaded complete, take out finished product sizing material.
After the completion of two-step method calendering process, finished product sizing material pass through mill, filter rubber, calendering, clot and etc. rear obtained test
Sample A3.
Example IV: sample number into spectrum A4
120 parts of ethylene propylene diene rubber, 2,500 170 parts of mesh talcum powder, 140 parts of calcinated argil, 50 parts of 300# paraffin oil, silicon
5 parts of alkane coupling agent, 5 parts of stearic acid, 20 parts of zinc oxide, antioxidant MB and RD are 5 parts total, and 10 parts of assistant crosslinking agent TAIC, vulcanization
10 parts of agent DCP.
The preparation process following steps of A4:
This preparation process is two-step method calendering process, and the first step process includes the following steps:
By 120 parts of ethylene propylene diene rubber, 2,500 170 parts of mesh talcum powder, 50 portions of aniseed of 300# paraffin oil are put into mixer
Stirring；
Then by 5 parts of silane coupling agent, 5 parts of stearic acid, 20 parts of zinc oxide, antioxidant MB and RD are 5 parts total, assistant crosslinking agent
10 parts of small powder packings of TAIC are put into mixer stirring；
It finally is put into mixer stirring by 140 parts of calcinated argil, mixing is completed when rubber compounding is to 110 DEG C, semi-finished product glue
Material storage.
Second step process includes the following steps:
Semi-finished product sizing material is put into mixer, 10 parts of vulcanizing agent DCP are added when being kneaded to 80 DEG C, continues to be kneaded to 90
DEG C when be kneaded complete, take out finished product sizing material.
After the completion of two-step method calendering process, finished product sizing material pass through mill, filter rubber, calendering, clot and etc. rear obtained test
Sample A4.
Embodiment five: sample number into spectrum A5
115 parts of ethylene propylene diene rubber, 2,500 160 parts of mesh talcum powder, 140 parts of calcinated argil, 50 parts of 300# paraffin oil, silicon
4 parts of alkane coupling agent, 4 parts of stearic acid, 15 parts of zinc oxide, antioxidant MB and RD are 4 parts total, and 8 parts of assistant crosslinking agent TAIC, vulcanizing agent
8 parts of DCP.
The preparation process following steps of A5:
This preparation process is two-step method calendering process, and the first step process includes the following steps:
By 115 parts of ethylene propylene diene rubber, 2,500 160 parts of mesh talcum powder, 50 portions of aniseed of 300# paraffin oil are put into mixer
Stirring；
Then by 4 parts of silane coupling agent, 5 parts of stearic acid, 15 parts of zinc oxide, antioxidant MB and RD are 4 parts total, assistant crosslinking agent
8 parts of small powder packings of TAIC are put into mixer stirring；
It finally is put into mixer stirring by 140 parts of calcinated argil, mixing is completed when rubber compounding is to 110 DEG C, semi-finished product glue
Material storage.
Second step process includes the following steps:
Semi-finished product sizing material is put into mixer, 8 parts of vulcanizing agent DCP are added when being kneaded to 80 DEG C, continues to be kneaded to 90 DEG C
When be kneaded complete, take out finished product sizing material.
After the completion of two-step method calendering process, finished product sizing material pass through mill, filter rubber, calendering, clot and etc. rear obtained test
Sample A5.
Embodiment six: sample number into spectrum B1
100 parts of ethylene propylene diene rubber, 40 parts of POE elastomer, 2,500 150 parts of mesh talcum powder, 120 parts of calcinated argil, 300#
40 parts of paraffin oil, 1 part of silane coupling agent, 1 part of stearic acid, 10 parts of zinc oxide, antioxidant MB and RD are 1 part total, assistant crosslinking agent
1 part of TAIC, 1 part of vulcanizing agent DCP.
The preparation process following steps of B1:
This preparation process is two-step method calendering process, and the first step process includes the following steps:
By 100 parts of ethylene propylene diene rubber, 40 parts of POE elastomer, 2,500 150 parts of mesh talcum powder, 40 parts of 300# paraffin oil etc.
Aniseed is put into mixer and stirs；
Then by 1 part of silane coupling agent, 1 part of stearic acid, 10 parts of zinc oxide, antioxidant MB and RD are 1 part total, help crosslinking
The small powders packings such as TAIC1 parts of agent are put into mixer stirring；
It finally is put into mixer stirring by 120 parts of calcinated argil, mixing is completed when rubber compounding is to 110 DEG C, semi-finished product glue
Material storage.
Second step process includes the following steps:
Semi-finished product sizing material is put into mixer, 1 part of vulcanizing agent DCP is added when being kneaded to 80 DEG C, continues to be kneaded to 90 DEG C
When be kneaded complete, take out finished product sizing material.
After the completion of two-step method calendering process, finished product sizing material pass through mill, filter rubber, calendering, clot and etc. rear obtained test
Sample B1.
Embodiment seven: sample number into spectrum B2
110 parts of ethylene propylene diene rubber, 45 parts of POE elastomer, 2,500 160 parts of mesh talcum powder, 130 parts of calcinated argil, 300#
45 parts of paraffin oil, 2 parts of silane coupling agent, 2 parts of stearic acid, 15 parts of zinc oxide, antioxidant MB and RD are 2 parts total, assistant crosslinking agent
4 parts of TAIC, 4 parts of vulcanizing agent DCP.
The preparation process following steps of B2:
This preparation process is two-step method calendering process, and the first step process includes the following steps:
By 110 parts of ethylene propylene diene rubber, 45 parts of POE elastomer, 2,500 160 parts of mesh talcum powder are 45 parts of 300# paraffin oil big
Material, which is put into mixer, to be stirred；
Then by 2 parts of silane coupling agent, 2 parts of stearic acid, 15 parts of zinc oxide, antioxidant MB and RD are 2 parts total, help crosslinking
4 parts of small powder packings of agent TAIC are put into mixer stirring；
It finally is put into mixer stirring by 130 parts of calcinated argil, mixing is completed when rubber compounding is to 110 DEG C, semi-finished product glue
Material storage.
Second step process includes the following steps:
Semi-finished product sizing material is put into mixer, 4 parts of vulcanizing agent DCP are added when being kneaded to 80 DEG C, continues to be kneaded to 90 DEG C
When be kneaded complete, take out finished product sizing material.
After the completion of two-step method calendering process, finished product sizing material pass through mill, filter rubber, calendering, clot and etc. rear obtained test
Sample B2.
Embodiment eight: sample number into spectrum B3
115 parts of ethylene propylene diene rubber, 50 parts of POE elastomer, 2,500 165 parts of mesh talcum powder, 125 parts of calcinated argil, 300#
50 parts of paraffin oil, 3 parts of silane coupling agent, 3 parts of stearic acid, 15 parts of zinc oxide, antioxidant MB and RD are 3 parts total, assistant crosslinking agent
6 parts of TAIC, 6 parts of vulcanizing agent DCP.
The preparation process following steps of B3:
This preparation process is two-step method calendering process, and the first step process includes the following steps:
By 115 parts of ethylene propylene diene rubber, 50 parts of POE elastomer, 2,500 165 parts of mesh talcum powder are 50 parts of 300# paraffin oil big
Material, which is put into mixer, to be stirred；
Then by 3 parts of silane coupling agent, 3 parts of stearic acid, 15 parts of zinc oxide, antioxidant MB and RD are 3 parts total, help crosslinking
6 parts of small powder packings of agent TAIC are put into mixer stirring；
It finally is put into mixer stirring by 125 parts of calcinated argil, mixing is completed when rubber compounding is to 110 DEG C, semi-finished product glue
Material storage.
Second step process includes the following steps:
Semi-finished product sizing material is put into mixer, 6 parts of vulcanizing agent DCP are added when being kneaded to 80 DEG C, continues to be kneaded to 90 DEG C
When be kneaded complete, take out finished product sizing material.
After the completion of two-step method calendering process, finished product sizing material pass through mill, filter rubber, calendering, clot and etc. rear obtained test
Sample B3.
Embodiment nine: sample number into spectrum B4
120 parts of ethylene propylene diene rubber, 50 parts of POE elastomer, 2,500 170 parts of mesh talcum powder, 140 parts of calcinated argil, 300#
50 parts of paraffin oil, 4 parts of silane coupling agent, 4 parts of stearic acid, 20 parts of zinc oxide, antioxidant MB and RD are 4 parts total, assistant crosslinking agent
8 parts of TAIC, 8 parts of vulcanizing agent DCP.
The preparation process following steps of B4:
This preparation process is two-step method calendering process, and the first step process includes the following steps:
By 120 parts of ethylene propylene diene rubber, 50 parts of POE elastomer, 2,500 170 parts of mesh talcum powder are 50 parts of 300# paraffin oil big
Material, which is put into mixer, to be stirred；
Then by 4 parts of silane coupling agent, 4 parts of stearic acid, 20 parts of zinc oxide, antioxidant MB and RD are 4 parts total, help crosslinking
8 parts of small powder packings of agent TAIC are put into mixer stirring；
It finally is put into mixer stirring by 140 parts of calcinated argil, mixing is completed when rubber compounding is to 110 DEG C, semi-finished product glue
Material storage.
Second step process includes the following steps:
Semi-finished product sizing material is put into mixer, 8 parts of vulcanizing agent DCP are added when being kneaded to 80 DEG C, continues to be kneaded to 90 DEG C
When be kneaded complete, take out finished product sizing material.
After the completion of two-step method calendering process, finished product sizing material pass through mill, filter rubber, calendering, clot and etc. rear obtained test
Sample B4.
Embodiment ten: sample number into spectrum B5
120 parts of ethylene propylene diene rubber, 50 parts of POE elastomer, 2,500 170 parts of mesh talcum powder, 140 parts of calcinated argil, 300#
50 parts of paraffin oil, 5 parts of silane coupling agent, 5 parts of stearic acid, 20 parts of zinc oxide, antioxidant MB and RD are 5 parts total, assistant crosslinking agent
10 parts of TAIC, 10 parts of vulcanizing agent DCP.
The preparation process following steps of B5:
This preparation process is two-step method calendering process, and the first step process includes the following steps:
By 120 parts of ethylene propylene diene rubber, 50 parts of POE elastomer, 2,500 170 parts of mesh talcum powder are 50 parts of 300# paraffin oil big
Material, which is put into mixer, to be stirred；
Then by 5 parts of silane coupling agent, 5 parts of stearic acid, 20 parts of zinc oxide, antioxidant MB and RD are 5 parts total, help crosslinking
The small powders packings such as 10 parts of agent TAIC are put into mixer stirring；
It finally is put into mixer stirring by 140 parts of calcinated argil, mixing is completed when rubber compounding is to 110 DEG C, semi-finished product glue
Material storage.
Second step process includes the following steps:
Semi-finished product sizing material is put into mixer, 10 parts of vulcanizing agent DCP are added when being kneaded to 80 DEG C, continues to be kneaded to 90
DEG C when be kneaded complete, take out finished product sizing material.
After the completion of two-step method calendering process, finished product sizing material pass through mill, filter rubber, calendering, clot and etc. rear obtained test
Sample B5.
Five vehicle test specimen number consecutively A1, A2, A3, A4, A5 and B1 are taken, B2, B3, B4, B5 are flat by ten groups of samples warps
Plate vulcameter vulcanizing treatment, then test piece is made respectively and is detected.
As a result as follows
Test specimen A
Test specimen B
Comparative test sample A and test specimen B is it can be found that the present invention furthers investigate POE elastomer, by changing
Becoming auxiliary material proportion makes its performance play more large effect, significantly improves the elongation at break and ageing properties of this insulation compound, in addition
Processing cost is effectively reduced in the also gain in tensile property and toughness, can effectively replace part EP rubbers masterbatch.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (3)
1. a kind of insulation compound formula of low pressure rubber cable product, which is characterized in that the mass fraction of component is as follows in the formula:
100-120 parts of ethylene propylene diene rubber, 40-50 parts of POE elastomer, 2500 150-170 parts of mesh talcum powder, calcinated argil 120-140
Part, 40-50 parts of 300# paraffin oil, 1-5 parts of silane coupling agent, 1-5 parts of stearic acid, 10-20 parts of zinc oxide, antioxidant MB and RD are closed
1-5 parts, 1-10 parts of assistant crosslinking agent TAIC, 1-10 parts of vulcanizing agent DCP of meter.
2. a kind of insulation compound formula of low pressure rubber cable product, which is characterized in that the mass fraction of component is as follows in the formula:
120 parts of ethylene propylene diene rubber, 50 parts of POE elastomer, 2,500 170 parts of mesh talcum powder, 140 parts of calcinated argil, 300# paraffin oil 50
Part, 5 parts of silane coupling agent, 5 parts of stearic acid, 20 parts of zinc oxide, antioxidant MB and RD are 5 parts total, and 10 parts of assistant crosslinking agent TAIC,
10 parts of vulcanizing agent DCP.
3. a kind of insulation compound preparation method of low pressure rubber cable product, which comprises the steps of:
According to mass fraction, by 100-120 parts of ethylene propylene diene rubber, 40-50 parts of POE elastomer, 2500 mesh talcum powder 150-170
Part, 40-50 parts of 300# paraffin oil packings are put into mixer and stir；
Then by 1-5 parts of silane coupling agent, 1-5 parts of stearic acid, 10-20 parts of zinc oxide, antioxidant MB and RD are 1-5 parts total, help
TAIC1-10 parts of crosslinking agent packings are put into mixer stirring；
It finally is put into mixer stirring by 120-140 parts of calcinated argil, mixing is completed when rubber compounding is to 110 DEG C, is cooled to room
Temperature obtains the storage of semi-finished product sizing material；
Semi-finished product sizing material is put into mixer, vulcanizing agent DCP1-10 part is added when being kneaded to 80 DEG C, when continuing mixing to 90 DEG C
It is kneaded and completes, take out finished product sizing material；
Finished product sizing material passes through mill, filters rubber, rolls, and required electro-insulating rubber is obtained after clot step.
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| CN112063061A (en) * | 2020-09-22 | 2020-12-11 | 兖矿集团有限公司 | Insulating material and preparation method thereof |
| CN112480555A (en) * | 2020-12-08 | 2021-03-12 | 无锡朴业橡塑有限公司 | Modified ethylene propylene diene monomer rubber and preparation method thereof |
| CN115181367A (en) * | 2022-07-22 | 2022-10-14 | 上海起帆电缆股份有限公司 | Hard ethylene propylene insulation rubber for electric automobile cable and preparation method thereof |
| CN115181368A (en) * | 2022-07-29 | 2022-10-14 | 江苏亨通高压海缆有限公司 | Preparation method and application of EPDM (ethylene-propylene-diene monomer) insulating rubber |
| CN115418056A (en) * | 2022-06-15 | 2022-12-02 | 特变电工山东鲁能泰山电缆有限公司 | High-temperature-resistant high-strength ethylene propylene rubber insulating rubber for wires and cables and preparation method thereof |
| CN115831462A (en) * | 2022-12-02 | 2023-03-21 | 特变电工山东鲁能泰山电缆有限公司 | Halogen-free low-smoke temperature-resistant cable and preparation method thereof |
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Application publication date: 20190104 |