CN103131095B - Environment protection damp-proof height dielectric stress controls shell material and stable high speed making method thereof - Google Patents

Environment protection damp-proof height dielectric stress controls shell material and stable high speed making method thereof Download PDF

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Publication number
CN103131095B
CN103131095B CN201310079975.3A CN201310079975A CN103131095B CN 103131095 B CN103131095 B CN 103131095B CN 201310079975 A CN201310079975 A CN 201310079975A CN 103131095 B CN103131095 B CN 103131095B
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parts
environment protection
shell material
dielectric stress
proof height
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CN103131095A (en
Inventor
刘军
马玉珍
周顺武
张小龙
郎欣林
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SHENZHEN BONSEAL NEW MATERIAL CO Ltd
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Shenzhen Bonseal New Material Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92714Degree of crosslinking, solidification, crystallinity or homogeneity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92923Calibration, after-treatment or cooling zone

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Insulating Materials (AREA)

Abstract

The invention provides environment protection damp-proof height dielectric stress and control shell material, this product is made up of by weight following component: chlorinated rubber 25 ~ 45 parts, polyolefine 15 ~ 35 parts, carbon black 5 ~ 10 parts, 1 ~ 2 part, antioxygen anti-aging agent, stablizer 1 ~ 2 part, lubricant 1 ~ 2 part, piezoelectric 15 ~ 30 parts, compatilizer 1 ~ 10 part.The making method of above-mentioned materials comprises the following steps: environment protection damp-proof height dielectric stress is controlled each component pre-treatment of shell material and is blendedly processed into functional master batch by A., then extrusion moulding is sleeve pipe; B. by high-energy electron accelerator, irradiation is carried out to this sleeve pipe, control suitable crosslinking degree; C. by heating and pressure reduction, high speed expansion is carried out to internal diameter.Environmental protection of the present invention, protection against the tide, electrical performance indexes is stable, surface quality is good and efficiently easy to process.

Description

Environment protection damp-proof height dielectric stress controls shell material and stable high speed making method thereof
Technical field
The present invention relates to a kind of pyrocondensation height dielectric stress and control shell material and preparation method thereof, particularly environment protection damp-proof height dielectric stress controls shell material and stable high speed making method thereof.
Background technology
As the important component part of cable accessory, thermal shrinkage stress controls sleeve pipe and plays the effect of balanced electric field thus the life-span of raising cable accessory joint at cable terminal end and centre.Have a lot of manufacturers produce thermal shrinkage stress to control sleeve pipe at present both at home and abroad, external product index is better, but price is high, much not environmentally.Home products surface quality, index stability, moistureproofness all need to improve, and working (machining) efficiency is low.
Summary of the invention
In order to solve problem in prior art, the invention provides a kind of environment protection damp-proof height dielectric stress and control shell material, this product is made up of by weight following component: chlorinated rubber 25 ~ 45 parts, polyolefine 15 ~ 35 parts, carbon black 5 ~ 10 parts, 1 ~ 2 part, antioxygen anti-aging agent, stablizer 1 ~ 2 part, lubricant 1 ~ 2 part, piezoelectric 15 ~ 30 parts, compatilizer 1 ~ 10 part.
As improvement of the present invention, described 25 ~ 45 parts of chlorinated rubber components in mass ratio example are: 10 ~ 20 parts, chlorosulphonation vinylchlorid, chlorinated butyl rubber 15 ~ 25 parts.
As a further improvement on the present invention, described polyolefinic index is: melting index is 5 ~ 10 (g/10min), fusing point less than 115 DEG C, and described carbon black is high-purity environment protection damp-proof acetylene black.
Further improve as of the present invention, described antioxygen anti-aging agent is polynary hindered phenol and monothioester class compound antioxygen anti-aging agent, stablizer is environment protection metal soap class one package stabilizer.
Improve further as of the present invention, described lubricant is polyethylene wax and silicon base lubricant, compatilizer is maleic anhydride graft copolymer again, and described piezoelectric is environmental protection high-dielectric and low-loss composite niobium zirconium titanate.
Environment protection damp-proof height dielectric stress controls a stable high speed making method for shell material, and the method comprises the following steps:
A. environment protection damp-proof height dielectric stress controlled each component pre-treatment of shell material and be blendedly processed into functional master batch, then extrusion moulding is sleeve pipe;
B. by high-energy electron accelerator, irradiation is carried out to this sleeve pipe, control suitable crosslinking degree;
C. by heating and pressure reduction, high speed expansion is carried out to internal diameter.
As process modification of the present invention, the blended processing temperature in steps A is 110 ~ 130 DEG C, and mixer mixing 15 minutes carries out surface preparation 1 hour to component auxiliary material before feeding intake, and extruding pelletization processing temperature is 120 ~ 140 DEG C.
As further process modification of the present invention, in step B, the parameter of high-energy electron accelerator is 3.0Mev, 30mA, and irradiation dose is 8 ~ 12Mrad, and irradiation speed is 1 ~ 50m/min.
As further process modification of the present invention, in step C, Heating temperature is 120 ~ 150 DEG C, and pressure-controlling is 0.1Mpa ~ 0.7Mpa, and internal diameter sprawl and control is 3 ~ 5 times of original diameter.
As further process modification more of the present invention, steps A is specific as follows: air-dry stand-by after each component material being carried out at 80 DEG C surface treatment in 1 hour, by polyolefine 15 ~ 35 parts, carbon black 5 ~ 10 parts, 1 ~ 2 part, antioxygen anti-aging agent, stablizer 1 ~ 2 part, lubricant 1 ~ 2 part, piezoelectric 15 ~ 30 parts, compatilizer 1 ~ 10 part adds Banbury mixer melt blending and adds 10 ~ 20 parts, chlorosulphonation vinylchlorid after 5 minutes, chlorinated butyl rubber 15 ~ 25 parts, banburying became masterbatch with extruding pelletization after 10 minutes again, banburying temperature 115 ~ 130 DEG C, 90 ~ 100 DEG C, prilling temperature one district, two 110 ~ 120 DEG C, districts, three 130 ~ 140 DEG C, districts, four 120 ~ 130 DEG C, districts, the masterbatch be made up of above-mentioned technique is processed into sleeve pipe by extrusion moulding, extrusion temperature is 90 ~ 100 DEG C, a district, two 100 ~ 110 DEG C, districts, three 115 ~ 130 DEG C, districts, four 130 ~ 145 DEG C, districts, five 120 ~ 130 DEG C, districts.
Environmental protection of the present invention, protection against the tide, electrical performance indexes is stable, surface quality is good and efficiently easy to process.Product environmental protection in the present invention does not contain hazardous substance, and meet the regulation that European Union ROSH objectionable impurities and heavy metal control, nonhygroscopic, surface quality is good, electric performance stablity, its main electrical performance indexes specific inductivity between 20 ~ 60, volume resistance 10 9~ 10 12between Ω .cm, dissipation factor is less than 0.3.Stablize in course of processing high speed, increased substantially production efficiency and the conforming product rate of product.
Embodiment
A kind of environment protection damp-proof height dielectric stress controls shell material, is made up of by weight: chlorinated rubber 25 ~ 45 parts, polyolefine 15 ~ 35 parts following component, carbon black 5 ~ 10 parts, 1 ~ 2 part, antioxygen anti-aging agent, stablizer 1 ~ 2 part, lubricant 1 ~ 2 part, piezoelectric 15 ~ 30 parts, compatilizer 1 ~ 10 part.
Wherein, described 25 ~ 45 parts of chlorinated rubber components in mass ratio example are: 10 ~ 20 parts, chlorosulphonation vinylchlorid, chlorinated butyl rubber 15 ~ 25 parts.Described carbon black is high-purity environment protection damp-proof acetylene black.Described piezoelectric is environmental protection high-dielectric and low-loss composite niobium zirconium titanate.Polyolefinic index is: melting index is 5 ~ 10 (g/10min), fusing point less than 115 DEG C.Antioxygen anti-aging agent is polynary hindered phenol and monothioester class compound antioxygen anti-aging agent.Stablizer is environment protection metal soap class one package stabilizer.Lubricant is polyethylene wax and silicon base lubricant.Compatilizer is maleic anhydride graft copolymer.
Product environmental protection in the present invention does not contain hazardous substance, meet the regulation of European Union ROSH objectionable impurities and heavy metal control, nonhygroscopic, surface quality is good, electric performance stablity, its main electrical performance indexes specific inductivity is between 20 ~ 60, and between volume resistance 109 ~ 1012 Ω .cm, dissipation factor is less than 0.3.In product processing, fast, the steady quality of production rate, has increased substantially production efficiency and the conforming product rate of product.
The stable high speed making method that above-mentioned a kind of environment protection damp-proof height dielectric stress controls shell material comprises the following steps:
A. be processed into functional master batch by blended after the surface preparation of each component material, then extrusion moulding is sleeve pipe;
B. by high-energy electron accelerator, irradiation is carried out to this sleeve pipe, control material component and be cross-linked;
C. by heating and pressure reduction, internal diameter is expanded.
Steps A is specific as follows: air-dry stand-by after each component material being carried out at 80 DEG C of temperature surface treatment in 1 hour, by polyolefine 15 ~ 35 parts, carbon black 5 ~ 10 parts, 1 ~ 2 part, oxidation inhibitor, stablizer 1 ~ 2 part, lubricant 1 ~ 2 part, piezoelectric 15 ~ 30 parts, compatilizer 1 ~ 10 part adds Banbury mixer melt blending and adds 10 ~ 20 parts, chlorosulphonation vinylchlorid after 5 minutes, chlorinated butyl rubber 15 ~ 25 parts, then banburying became masterbatch with extruding pelletization after 10 minutes.Banburying temperature 115 ~ 130 DEG C, 90 ~ 100 DEG C, prilling temperature one district, two 110 ~ 120 DEG C, districts, three 130 ~ 140 DEG C, districts, four 120 ~ 130 DEG C, districts.
The masterbatch be made up of above-mentioned technique is processed into sleeve pipe by extrusion moulding.Extrusion temperature is 90 ~ 100 DEG C, a district, two 100 ~ 110 DEG C, districts, three 115 ~ 130 DEG C, districts, four 130 ~ 145 DEG C, districts, five 120 ~ 130 DEG C, districts.
Step B is specific as follows: carry out irradiation by high-energy electron accelerator to this sleeve pipe, and the parameter of described high-energy electron accelerator is 3.0Mev, 30mA, and irradiation dose is 8 ~ 12Mrad, and irradiation speed is 1 ~ 50m/min according to wall thickness and product diameter setting range.
Step C is specific as follows: utilize heating and pressure reduction to carry out high speed expansion to internal diameter by making airtight dilator by oneself, internal diameter expansion scope is 3 ~ 5 times of original diameter.Heating temperature is 120 ~ 150 DEG C, and pressure-controlling is 0.1Mpa ~ 0.7Mpa, and internal diameter sprawl and control is 3 ~ 5 times of original diameter.
Making and the stable working method at a high speed of environment protection damp-proof height dielectric stress control shell material of the present invention solve the problems such as shrinkage stress pipe ring is protected, the easy moisture absorption, working (machining) efficiency are low, meet the environmental protection of shrinkage stress casing product, the performance requriements of protection against the tide and the production technology of random length.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.

Claims (9)

1. an environment protection damp-proof height dielectric stress controls shell material, it is characterized in that: this product is made up of by weight following component: chlorinated rubber 25 ~ 45 parts, polyolefine 15 ~ 35 parts, carbon black 5 ~ 10 parts, 1 ~ 2 part, antioxygen anti-aging agent, stablizer 1 ~ 2 part, lubricant 1 ~ 2 part, piezoelectric 15 ~ 30 parts, compatilizer 1 ~ 10 part, described 25 ~ 45 parts of chlorinated rubber components in mass ratio example are: 10 ~ 20 parts, chlorosulphonation vinylchlorid, chlorinated butyl rubber 15 ~ 25 parts.
2. environment protection damp-proof height dielectric stress according to claim 1 controls shell material, and it is characterized in that: described polyolefinic index is: melting index is 5 ~ 10, unit g/10min, fusing point less than 115 DEG C, described carbon black is high-purity environment protection damp-proof acetylene black.
3. environment protection damp-proof height dielectric stress according to claim 1 controls shell material, it is characterized in that: described antioxygen anti-aging agent is polynary hindered phenol and monothioester class compound antioxygen anti-aging agent, stablizer is environment protection metal soap class one package stabilizer.
4. environment protection damp-proof height dielectric stress according to claim 1 controls shell material, it is characterized in that: described lubricant is polyethylene wax and silicon base lubricant, compatilizer is maleic anhydride graft copolymer, described piezoelectric is environmental protection high-dielectric and low-loss composite niobium zirconium titanate.
5. the environment protection damp-proof height dielectric stress as described in Claims 1-4 any one controls the stable high speed making method of shell material, it is characterized in that: the method comprises the following steps:
A. environment protection damp-proof height dielectric stress controlled each component pre-treatment of shell material and be blendedly processed into functional master batch, then extrusion moulding is sleeve pipe;
B. by high-energy electron accelerator, irradiation is carried out to this sleeve pipe, control material component and be cross-linked;
C. by heating and pressure reduction, high speed expansion is carried out to internal diameter.
6. environment protection damp-proof height dielectric stress according to claim 5 controls the stable high speed making method of shell material, it is characterized in that: the blended processing temperature in steps A is 110 ~ 130 DEG C, mixer mixing 15 minutes, before feeding intake, surface preparation in 1 hour is carried out to each component material, 90 ~ 100 DEG C, prilling temperature one district, two 110 ~ 120 DEG C, districts, three 130 ~ 140 DEG C, districts, four 120 ~ 130 DEG C, districts.
7. environment protection damp-proof height dielectric stress according to claim 6 controls the stable high speed making method of shell material, it is characterized in that: in step B, the parameter of high-energy electron accelerator is 3.0MeV, 30mA, irradiation dose is 8 ~ 12Mrad, and irradiation speed is 1 ~ 50m/min.
8. environment protection damp-proof height dielectric stress according to claim 7 controls the stable high speed making method of shell material, it is characterized in that: in step C, Heating temperature is 120 ~ 150 DEG C, pressure-controlling is 0.1MPa ~ 0.7MPa, and internal diameter sprawl and control is 3 ~ 5 times of original diameter.
9. environment protection damp-proof height dielectric stress according to claim 6 controls the stable high speed making method of shell material, it is characterized in that: steps A is specific as follows: air-dry stand-by after each component material being carried out at 80 DEG C of temperature surface treatment in 1 hour, by polyolefine 15 ~ 35 parts, carbon black 5 ~ 10 parts, 1 ~ 2 part, antioxygen anti-aging agent, stablizer 1 ~ 2 part, lubricant 1 ~ 2 part, piezoelectric 15 ~ 30 parts, compatilizer 1 ~ 10 part adds Banbury mixer melt blending and adds 10 ~ 20 parts, chlorosulphonation vinylchlorid after 5 minutes, chlorinated butyl rubber 15 ~ 25 parts, banburying became masterbatch with extruding pelletization after 10 minutes again, banburying temperature 115 ~ 130 DEG C, the masterbatch be made up of above-mentioned technique is processed into sleeve pipe by extrusion moulding, extrusion temperature is 90 ~ 100 DEG C, a district, two 100 ~ 110 DEG C, districts, three 115 ~ 130 DEG C, districts, four 130 ~ 145 DEG C, districts, five 120 ~ 130 DEG C, districts.
CN201310079975.3A 2013-03-13 2013-03-13 Environment protection damp-proof height dielectric stress controls shell material and stable high speed making method thereof Active CN103131095B (en)

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CN105566711A (en) * 2016-02-03 2016-05-11 安徽南洋电缆有限公司 Novel special polyethylene cable sheath formula

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CN102093626A (en) * 2010-12-20 2011-06-15 安徽中鼎密封件股份有限公司 Non-halogen fire resistant low-temperature shrinkable and heat-shrinkable pipe material and preparation method thereof
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CN101255246A (en) * 2007-06-06 2008-09-03 深圳长园电子材料有限公司 Antistatic thermo-shrinkage material and manufacturing method thereof
CN102093626A (en) * 2010-12-20 2011-06-15 安徽中鼎密封件股份有限公司 Non-halogen fire resistant low-temperature shrinkable and heat-shrinkable pipe material and preparation method thereof
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Address after: 518000 Guangdong city of Shenzhen province Pingshan New District Office Kengzi sands community Joint Industrial Zone No. 1 building

Patentee after: Shenzhen Bonseal New Material Co., Ltd.

Address before: 518000 Guangdong city of Shenzhen province Baoan District Guanlan Street Community Da BU Xiang Da BU Xiang Cun honland Eagle Technology Park A building 4 floor East

Patentee before: Shenzhen Bonseal New Material Co., Ltd.