CN1699461A - Technology for processing silicane crosslinked ethylene-propylene rubber for cable - Google Patents
Technology for processing silicane crosslinked ethylene-propylene rubber for cable Download PDFInfo
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- CN1699461A CN1699461A CN 200510039272 CN200510039272A CN1699461A CN 1699461 A CN1699461 A CN 1699461A CN 200510039272 CN200510039272 CN 200510039272 CN 200510039272 A CN200510039272 A CN 200510039272A CN 1699461 A CN1699461 A CN 1699461A
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Abstract
The invention relates to a technology for processing silicane crosslinked ethylene-propylene rubber for cables, which comprises charging CT/1 catalyst agglomerate, CT/3 black agglomerate, PE color masterbatch into grafted ethylen-propylene rubber material, mixing homogeneously, squeezing with extrusion molding machine, controlling temperature of the extrusion molding machine sections, carrying out silicane lukewarm water cross-linking to the squeezed ethylen-propylene rubber material. The invention can realize the extrusion of ethylen-propylene rubber on the common PVC extrusion molding machines.
Description
Technical field
The present invention relates to the production method of cabtyre cable production technology, particularly the producing and manufacturing technique of silane coupling ethylene propylene rubber material belongs to cabtyre cable manufacture technical field.
Background technology
The rubber insulation wire cable has good electrical insulation properties, chemical stability, particularly the incomparable flexibility of other type electric wire and being widely used.The rubber insulation wire cable is used to the occasion that moves mostly, as boats and ships, mining area, down-hole, rolling stock etc.Along with the development of rubber industry, all kinds of synthetic rubber are continually developed and are developed, and electric wire is commonly used as chloroprene rubber, styrene-butadiene rubber(SBR), ethylene-propylene rubber(EPR) etc.Be used for the traditional rubber production technology of electric wire and all need use special vulcanizing equipment,, improve its electrical property or mechanical and physical performance, reach application target so that change the molecular structure of rubber.This complete processing requires that special production unit is arranged, and complex process, and is wayward, higher to the length requirement of cable, so be difficult to increase work efficiency.
Summary of the invention
Technical problem to be solved by this invention is that by further investigation and exploitation, in conjunction with international advanced silane coupling ethylene propylene rubber material, development research goes out technology for processing silicane crosslinked ethylene-propylene rubber for cable.The ethylene-propylene rubber(EPR) material of producing can be widely used in the production field of electric wire, and product not only has traditional products characteristics, has bigger tensile strength simultaneously.
The technical scheme of technology for processing silicane crosslinked ethylene-propylene rubber for cable of the present invention has three kinds:
One, in weight ratio is to add the CT/1 catalyzer master batch of 1-3% in the good ethylene-propylene rubber(EPR) material (abbreviation grafted material) of the grafting of 97-99%, after mixing, extrude with extruding machine, the section of extruding machine is carried out temperature control: a district is 110～130 ℃, two districts are 120～130 ℃, three districts are 120～140 ℃, and flange is 140～160 ℃, and head is 140～170 ℃, the ethylene-propylene rubber(EPR) material of extruding is carried out the silane warm water crosslinking, make ethylene-propylene rubber(EPR).
Two, after being to add the CT/1 catalyzer master batch of 1-3% in the good ethylene-propylene rubber(EPR) material (abbreviation grafted material) of the grafting of 94-98%, weight ratio adds the CT/3 black agglomerate that total proportion is 1-3% again, after mixing, extrude with extruding machine, section to extruding machine carries out temperature control: a district is 110～130 ℃, two districts are 120～130 ℃, three districts are 120～140 ℃, flange is 140～160 ℃, head is 140～170 ℃, the ethylene-propylene rubber(EPR) material of extruding is carried out the silane warm water crosslinking, make ethylene-propylene rubber(EPR).
Three, after being to add the CT/1 catalyzer master batch of 1-3% in the good ethylene-propylene rubber(EPR) material (abbreviation grafted material) of the grafting of 96-98.5%, weight ratio adds the exsiccant PE colour batch that total proportion is 0.5-1% again, after mixing, extrude with extruding machine, section to extruding machine carries out temperature control: a district is 110～130 ℃, two districts are 120～130 ℃, three districts are 120～140 ℃, flange is 140～160 ℃, head is 140～170 ℃, the ethylene-propylene rubber(EPR) material of extruding is carried out the silane warm water crosslinking, make ethylene-propylene rubber(EPR).
Described silane warm water crosslinking be will extrude the ethylene-propylene rubber(EPR) material immerse in 60 ℃～70 ℃ hot water or be exposed in the low pressure water vapor, crosslinked 2～4 hours is 20 ℃～25 ℃ in temperature perhaps, humidity be deposit in 50～70% the air crosslinked more than two days.
Materials science of the present invention, technology is advanced simple, makes the production of ethylene-propylene rubber(EPR) not need to use sulphidizing eqmpment, can extrude ethylene-propylene rubber(EPR) on common extruding machine, reduces facility investment, enhances productivity.The ethylene-propylene rubber(EPR) material of producing not only has traditional products characteristics, has bigger tensile strength simultaneously, can be widely used in the production field of electric wire, and is easy to process quick, is applicable to the production of long and short cable.
Embodiment
1, (is called for short grafted material at the good ethylene-propylene rubber(EPR) material of 97kg grafting, opening bag back uses up in 2～3 hours) in add 3kg CT/1 catalyzer master batch, after in time mixing, extrude with extruding machine, section to extruding machine carries out temperature control: a district is 120 ℃, two districts are 125 ℃, and three districts are 130 ℃, and flange is 150 ℃, head is 155 ℃, the ethylene-propylene rubber(EPR) material of extruding is immersed in 60 ℃～70 ℃ hot water, crosslinked 3 hours, make ethylene-propylene rubber(EPR).Also the ethylene-propylene rubber(EPR) material of extruding can be exposed in the low pressure water vapor, crosslinked 3 hours is 20 ℃～25 ℃ in temperature perhaps, and humidity is to deposit crosslinked five days in 50～70% the air, makes ethylene-propylene rubber(EPR).
2, (be called for short grafted material at the good ethylene-propylene rubber(EPR) material of 96kg grafting, opening bag back uses up in 2～3 hours) in add the CT/3 black agglomerate that adds 2kg behind the CT/1 catalyzer master batch of 2kg again, after in time mixing, extrude with extruding machine, section to extruding machine carries out temperature control: a district is 120 ℃, two districts are 125 ℃, and three districts are 130 ℃, and flange is 150 ℃, head is 155 ℃, the ethylene-propylene rubber(EPR) material of extruding is immersed in 60 ℃～70 ℃ hot water, crosslinked 3 hours, make ethylene-propylene rubber(EPR).Also the ethylene-propylene rubber(EPR) material of extruding can be exposed in the low pressure water vapor, crosslinked 3 hours is 20 ℃～25 ℃ in temperature perhaps, and humidity is to deposit crosslinked five days in 50～70% the air, makes ethylene-propylene rubber(EPR).This ethylene-propylene rubber(EPR) can be used for squeezing black sheath.
3, (be called for short grafted material at the good ethylene-propylene rubber(EPR) material of 97.5kg grafting, opening bag back uses up in 2～3 hours) in add 0.5kg exsiccant PE colour batch again after adding 2kg CT/1 catalyzer master batch, after in time mixing, extrude with extruding machine, section to extruding machine carries out temperature control: a district is 120 ℃, two districts are 125 ℃, and three districts are 130 ℃, and flange is 150 ℃, head is 155 ℃, the ethylene-propylene rubber(EPR) material of extruding is immersed in 60 ℃～70 ℃ hot water, crosslinked 3 hours, make ethylene-propylene rubber(EPR).Also the ethylene-propylene rubber(EPR) material of extruding can be exposed in the low pressure water vapor, crosslinked 3 hours is 20 ℃～25 ℃ in temperature perhaps, and humidity is to deposit crosslinked five days in 50～70% the air, makes ethylene-propylene rubber(EPR).
Claims (10)
1, a kind of technology for processing silicane crosslinked ethylene-propylene rubber for cable, it is characterized in that in weight ratio being to add the CT/1 catalyzer master batch of 1-3% in the good ethylene-propylene rubber(EPR) material of the grafting of 97-99%, after mixing, extrude with extruding machine, section to extruding machine carries out temperature control: a district is 110～130 ℃, two districts are 120～130 ℃, three districts are 120～140 ℃, flange is 140～160 ℃, head is 140～170 ℃, the ethylene-propylene rubber(EPR) material of extruding is carried out the silane warm water crosslinking, make ethylene-propylene rubber(EPR).
2, technology for processing silicane crosslinked ethylene-propylene rubber for cable according to claim 1, it is characterized in that described silane warm water crosslinking be will extrude the ethylene-propylene rubber(EPR) material immersed in 60 ℃～70 ℃ hot water crosslinked 2～4 hours.
3, technology for processing silicane crosslinked ethylene-propylene rubber for cable according to claim 1 is characterized in that described silane warm water crosslinking is that the ethylene-propylene rubber(EPR) material that will extrude is exposed in the low pressure water vapor, crosslinked 2～4 hours.
4, technology for processing silicane crosslinked ethylene-propylene rubber for cable according to claim 1, it is characterized in that described silane warm water crosslinking is that the ethylene-propylene rubber(EPR) material that will extrude is 20 ℃～25 ℃ in temperature, humidity be deposit in 50～70% the air crosslinked more than two days.
5, a kind of technology for processing silicane crosslinked ethylene-propylene rubber for cable, it is characterized in that after weight ratio is to add the CT/1 catalyzer master batch of 1-3% in the good ethylene-propylene rubber(EPR) material of the grafting of 94-98%, adding the CT/3 black agglomerate that total proportion is 1-3% again, after mixing, extrude with extruding machine, section to extruding machine carries out temperature control: a district is 110～130 ℃, two districts are 120～130 ℃, three districts are 120～140 ℃, flange is 140～160 ℃, head is 140～170 ℃, the ethylene-propylene rubber(EPR) material of extruding is carried out the silane warm water crosslinking, make ethylene-propylene rubber(EPR).
6, technology for processing silicane crosslinked ethylene-propylene rubber for cable according to claim 5, it is characterized in that described silane warm water crosslinking be will extrude the ethylene-propylene rubber(EPR) material immersed in 60 ℃～70 ℃ hot water crosslinked 2～4 hours.
7, technology for processing silicane crosslinked ethylene-propylene rubber for cable according to claim 5 is characterized in that described silane warm water crosslinking is that the ethylene-propylene rubber(EPR) material that will extrude is exposed in the low pressure water vapor, crosslinked 2～4 hours.
8, technology for processing silicane crosslinked ethylene-propylene rubber for cable according to claim 5, it is characterized in that described silane warm water crosslinking is that the ethylene-propylene rubber(EPR) material that will extrude is 20 ℃～25 ℃ in temperature, humidity be deposit in 50～70% the air crosslinked more than two days.
9, a kind of technology for processing silicane crosslinked ethylene-propylene rubber for cable, it is characterized in that after weight ratio is to add the CT/1 catalyzer master batch of 1-3% in the good ethylene-propylene rubber(EPR) material of the grafting of 96-98.5%, adding the exsiccant PE colour batch that total proportion is 0.5-1% again, after mixing, extrude with extruding machine, section to extruding machine carries out temperature control: a district is 110～130 ℃, two districts are 120～130 ℃, three districts are 120～140 ℃, flange is 140～160 ℃, head is 140～170 ℃, the ethylene-propylene rubber(EPR) material of extruding is carried out the silane warm water crosslinking, make ethylene-propylene rubber(EPR).
10, technology for processing silicane crosslinked ethylene-propylene rubber for cable according to claim 9, it is characterized in that described silane warm water crosslinking is in 60 ℃～70 ℃ hot water of ethylene-propylene rubber(EPR) material immersion that will extrude or is exposed in the low pressure water vapor, crosslinked 2～4 hours, be 20 ℃～25 ℃ perhaps in temperature, humidity be deposit in 50～70% the air crosslinked more than two days.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510039272 CN1699461A (en) | 2005-05-13 | 2005-05-13 | Technology for processing silicane crosslinked ethylene-propylene rubber for cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510039272 CN1699461A (en) | 2005-05-13 | 2005-05-13 | Technology for processing silicane crosslinked ethylene-propylene rubber for cable |
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| Publication Number | Publication Date |
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| CN1699461A true CN1699461A (en) | 2005-11-23 |
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| CN 200510039272 Pending CN1699461A (en) | 2005-05-13 | 2005-05-13 | Technology for processing silicane crosslinked ethylene-propylene rubber for cable |
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