CN104419083A - High-quality middle-high pressure insulated ethylene propylene rubber - Google Patents
High-quality middle-high pressure insulated ethylene propylene rubber Download PDFInfo
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- CN104419083A CN104419083A CN201310408810.6A CN201310408810A CN104419083A CN 104419083 A CN104419083 A CN 104419083A CN 201310408810 A CN201310408810 A CN 201310408810A CN 104419083 A CN104419083 A CN 104419083A
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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Abstract
The invention discloses a high-quality middle-high pressure insulated ethylene propylene rubber, comprising ethylene-propylene diene copolymer rubber, zinc oxide, ebonite acid, paraffin, paroline, calcined clay, dicumyl peroxide, triallyl isocyanurate, 2,2,2,4-trimethyl-1,2-hydro-quinoline polymer, 2-thiol benzimidazole and light calcium carbonate. The invention also provides a preparation method of the high-quality middle-high pressure insulated ethylene propylene rubber. Ethylene propylene rubber is adopted as a basic material; surface-treated calcined clay is selected to fill; a peroxide vulcanization system is adopted; and the high-quality middle-high pressure insulated ethylene propylene rubber has characteristics of excellent electric property, good processing process and the like, also has good water resistance and low-temperature flexibility, and is suitable for pavement on a mine.
Description
Technical field:
The present invention relates to chemical field, particularly relate to the rubber, particularly a kind of high quality mesohigh second third insulation rubber that make cable sheath.
Background technology:
Elasticity is the key property of rubber as engineering materials.At quite low temperatures, because rubber molecule segment is frozen, thus lose the distinctive elasticity of rubber, harden and become fragile, lose use properties.In prior art, when the sheath rubber of cable uses under the condition of-60 DEG C, be unable to undergo repeatedly to bend, just ftracture, therefore can not meet the service requirements of surface mines cold resistant cable.In prior art, the sheath rubber of cable extensively adopts crosslinked polyethylene (XLPE) insulating material, and its low-temperature pliability is not enough.
Summary of the invention:
The object of the present invention is to provide a kind of high quality mesohigh second third insulation rubber, described this high quality mesohigh second third insulation rubber will solve the technical problem of the sheath rubber low-temperature pliability deficiency of cable in prior art.
This high quality mesohigh second third insulation rubber of the present invention, it is characterized in that: by terpolymer EP rubber, zinc oxide, ebonite acid, paraffin, paraffin oil, calcinated argil, dicumyl peroxide, triallyl isocyanuric acid fat, 2, 2, 2, 4-trimethylammonium-1, 2-hydrogenated quinoline polymer, 2 mercapto benzimidazole, light calcium carbonate forms, the mass percent of described terpolymer EP rubber in described rubber is 40%, the mass percent of zinc oxide in described rubber is 1.5-2.5%, , the mass percent of ebonite acid in described rubber is 0.2-0.5%, the mass percent of paraffin in described rubber is 3.5-4.5%, the mass percent of paraffin oil in described rubber is 2-3%, the mass percent of calcinated argil in described rubber is 30-40%, the mass percent of dicumyl peroxide in described rubber is 1.0-1.5%, the mass percent of triallyl isocyanuric acid fat in described rubber is 0.5-0.7%, 2, 2, 2, 4-trimethylammonium-1, the mass percent of 2-hydrogenated quinoline polymer in described rubber is 0.4-0.6%, the mass percent of 2 mercapto benzimidazole in described rubber is 0.4-0.7%, the mass percent of light calcium carbonate in described rubber is 10-15%.
Present invention also offers a kind of method preparing above-mentioned high quality mesohigh second third insulation rubber, described method comprises the steps:
A: batch mixing
1) terpolymer EP rubber is added in Banbury mixer, banburying in 5-15 minute;
2) triallyl isocyanuric acid fat is added in the coarse fodder of step (1), mixing 2-3 minute;
3) dicumyl peroxide, 2,2,2,4-trimethylammonium-1,2-hydrogenated quinoline polymers, ebonite acid are added in the coarse fodder of step (2), mixing 2-3 minute;
4) light calcium carbonate, paraffin and paraffin oil are added in the coarse fodder of step (3), mixing 3-4 minute;
5) calcinated argil is added in the coarse fodder of step (4), mixing 3-4 minute;
6) entered from Banbury mixer in mill by above-mentioned mixed coarse fodder, Banbury mixer dump temperature controls at 100-110 DEG C;
7) on a mill until thin-pass is drawn to above-mentioned mixed coarse fodder, draw roll spacing during thin-pass to be 2-5mm;
8) treat that sizing material temperature is lower than 95 DEG C, add zinc oxide, 2 mercapto benzimidazole in mill, mixing 3-5 minute, roll spacing during mixing controls at 5-10mm;
B, crowded rubber
Adopt two rubber extruding machines to squeezing, rubber extruding machine charging opening temperature controls at 30-40 DEG C, and rubber extruding machine one section of temperature controls at 40-50 DEG C, and rubber extruding machine two sections of temperature control at 40-50 DEG C, rubber extruding machine three sections of temperature control at 50-60 DEG C, and rubber extruding machine head temperature controls at 60-70 DEG C;
C, sulfuration
Above-mentioned extruded stock is entered cylinder sulfuration, and sulfuration steam pressure is 0.3-0.5Mpa, and inlet period is no more than 12-15 minute, and soaking time is 40-60 minute, and deflation time controls at 40-80 minute.
The present invention compares with prior art, and its effect is actively with obvious.The present invention adopts ethylene-propylene rubber(EPR) to be basic material, fills and selects surface treatment calcinated argil, adopts peroxide vulcanizing system.Trial production result shows, the present invention has the features such as excellent electric properties, complete processing be good, also has good mechanical and physical performance simultaneously.The cable product performance adopting this insulating material to produce meets the requirement of country.The present invention adopts novel mixed refining process production line, and the material of manufacture has the advantages that cleanliness factor is high, produce stay in grade in batches, and successfully can carry out the processing of particulate material.The present invention has good water resisting property and low-temperature pliability, is suitable for laying on mine using.
Embodiment:
Embodiment 1:
A kind of high quality mesohigh of the present invention second third insulation rubber, by terpolymer EP rubber, zinc oxide, ebonite acid, paraffin, paraffin oil, calcinated argil, dicumyl peroxide, triallyl isocyanuric acid fat, 2, 2, 2, 4-trimethylammonium-1, 2-hydrogenated quinoline polymer, 2 mercapto benzimidazole, light calcium carbonate forms, the mass percent of described terpolymer EP rubber in described rubber is 40%, the mass percent of zinc oxide in described rubber is 1.5-2.5%, , the mass percent of ebonite acid in described rubber is 0.2-0.5%, the mass percent of paraffin in described rubber is 3.5-4.5%, the mass percent of paraffin oil in described rubber is 2-3%, the mass percent of calcinated argil in described rubber is 30-40%, the mass percent of dicumyl peroxide in described rubber is 1.0-1.5%, the mass percent of triallyl isocyanuric acid fat in described rubber is 0.5-0.7%, 2, 2, 2, 4-trimethylammonium-1, the mass percent of 2-hydrogenated quinoline polymer in described rubber is 0.4-0.6%, the mass percent of 2 mercapto benzimidazole in described rubber is 0.4-0.7%, the mass percent of light calcium carbonate in described rubber is 10-15%.
Present invention also offers the method preparing above-mentioned high quality mesohigh second third insulation rubber, comprise the steps:
A: batch mixing
1) terpolymer EP rubber is added in Banbury mixer, banburying in 5-15 minute;
2) triallyl isocyanuric acid fat is added in the coarse fodder of step (1), mixing 2-3 minute;
3) dicumyl peroxide, 2,2,2,4-trimethylammonium-1,2-hydrogenated quinoline polymers, ebonite acid are added in the coarse fodder of step (2), mixing 2-3 minute;
4) light calcium carbonate, paraffin and paraffin oil are added in the coarse fodder of step (3), mixing 3-4 minute;
5) calcinated argil is added in the coarse fodder of step (4), mixing 3-4 minute;
6) entered from Banbury mixer in mill by above-mentioned mixed coarse fodder, Banbury mixer dump temperature controls at 100-110 DEG C;
7) on a mill until thin-pass is drawn to above-mentioned mixed coarse fodder, draw roll spacing during thin-pass to be 2-5mm;
8) treat that sizing material temperature is lower than 95 DEG C, add zinc oxide, 2 mercapto benzimidazole in mill, mixing 3-5 minute, roll spacing during mixing controls at 5-10mm;
B, crowded rubber
Adopt two rubber extruding machines to squeezing, rubber extruding machine charging opening temperature controls at 30-40 DEG C, and rubber extruding machine one section of temperature controls at 40-50 DEG C, and rubber extruding machine two sections of temperature control at 40-50 DEG C, rubber extruding machine three sections of temperature control at 50-60 DEG C, and rubber extruding machine head temperature controls at 60-70 DEG C;
C, sulfuration
Above-mentioned extruded stock is entered cylinder sulfuration, and sulfuration steam pressure is 0.3-0.5Mpa, and inlet period is no more than 12-15 minute, and soaking time is 40-60 minute, and deflation time controls at 40-80 minute.
Claims (2)
1. high quality mesohigh second third insulation rubber, it is characterized in that: by terpolymer EP rubber, zinc oxide, ebonite acid, paraffin, paraffin oil, calcinated argil, dicumyl peroxide, triallyl isocyanuric acid fat, 2, 2, 2, 4-trimethylammonium-1, 2-hydrogenated quinoline polymer, 2 mercapto benzimidazole, light calcium carbonate forms, the mass percent of described terpolymer EP rubber in described rubber is 40%, the mass percent of described zinc oxide in rubber is 1.5-2.5%, the described mass percent of ebonite acid in rubber is 0.2-0.5%, the mass percent of described paraffin in rubber is 3.5-4.5%, the mass percent of described paraffin oil in rubber is 2-3%, the mass percent of described calcinated argil in rubber is 30-40%, the mass percent of described dicumyl peroxide in rubber is 1.0-1.5%, the described mass percent of triallyl isocyanuric acid fat in rubber is 0.5-0.7%, described 2, 2, 2, 4-trimethylammonium-1, the mass percent of 2-hydrogenated quinoline polymer in rubber is 0.4-0.6%, the mass percent of described 2 mercapto benzimidazole in rubber is 0.4-0.7%, the mass percent of described light calcium carbonate in rubber is 10-15%.
2. prepare a method for high quality mesohigh second third insulation rubber as claimed in claim 1, it is characterized in that: comprise the steps:
A: batch mixing
1) add terpolymer EP rubber in Banbury mixer, carry out the banburying of 5-15 minute;
2) triallyl isocyanuric acid fat is added in the coarse fodder of step (1), mixing 2-3 minute;
3) dicumyl peroxide, 2,2,2,4-trimethylammonium-1,2-hydrogenated quinoline polymers, ebonite acid are added in the coarse fodder of step (2), mixing 2-3 minute;
4) light calcium carbonate, paraffin and paraffin oil are added in the coarse fodder of step (3), mixing 3-4 minute;
5) calcinated argil is added in the coarse fodder of step (4), mixing 3-4 minute;
6) entered from Banbury mixer in mill by above-mentioned mixed coarse fodder, Banbury mixer dump temperature controls at 100-110 DEG C;
7) on a mill until thin-pass is drawn to above-mentioned mixed coarse fodder, draw roll spacing during thin-pass to be 2-5mm;
8) treat that sizing material temperature is lower than 95 DEG C, add zinc oxide, 2 mercapto benzimidazole in mill, mixing 3-5 minute, roll spacing during mixing controls at 5-10mm;
B, crowded rubber
Adopt two rubber extruding machines to squeezing, rubber extruding machine charging opening temperature controls at 30-40 DEG C, and rubber extruding machine one section of temperature controls at 40-50 DEG C, and rubber extruding machine two sections of temperature control at 40-50 DEG C, rubber extruding machine three sections of temperature control at 50-60 DEG C, and rubber extruding machine head temperature controls at 60-70 DEG C;
C, sulfuration
Above-mentioned extruded stock is entered cylinder sulfuration, and sulfuration steam pressure is 0.3-0.5Mpa, and inlet period is no more than 12-15 minute, and soaking time is 40-60 minute, and deflation time controls at 40-80 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310408810.6A CN104419083A (en) | 2013-09-10 | 2013-09-10 | High-quality middle-high pressure insulated ethylene propylene rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310408810.6A CN104419083A (en) | 2013-09-10 | 2013-09-10 | High-quality middle-high pressure insulated ethylene propylene rubber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104419083A true CN104419083A (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310408810.6A Pending CN104419083A (en) | 2013-09-10 | 2013-09-10 | High-quality middle-high pressure insulated ethylene propylene rubber |
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| CN (1) | CN104419083A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107722413A (en) * | 2017-10-30 | 2018-02-23 | 嘉兴创奇电缆有限公司 | Extraordinary ultra-clean cable material of polyolefin of a kind of mesohigh and preparation method thereof |
| CN112126164A (en) * | 2020-09-27 | 2020-12-25 | 常熟市海虞橡胶有限公司 | High-pressure-resistant wire harness rubber compound and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101704975A (en) * | 2009-11-25 | 2010-05-12 | 威尔鹰集团有限公司 | Insulation rubber for cable |
-
2013
- 2013-09-10 CN CN201310408810.6A patent/CN104419083A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101704975A (en) * | 2009-11-25 | 2010-05-12 | 威尔鹰集团有限公司 | Insulation rubber for cable |
Non-Patent Citations (1)
| Title |
|---|
| 徐应麟: "《电线电缆手册 第2册》", 31 January 2009, 机械工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107722413A (en) * | 2017-10-30 | 2018-02-23 | 嘉兴创奇电缆有限公司 | Extraordinary ultra-clean cable material of polyolefin of a kind of mesohigh and preparation method thereof |
| CN112126164A (en) * | 2020-09-27 | 2020-12-25 | 常熟市海虞橡胶有限公司 | High-pressure-resistant wire harness rubber compound and preparation method and application thereof |
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Application publication date: 20150318 |