CN103497430A - Manufacturing method of ethylene-propylene-diene monomer rubber insulating gloves for hot-line work of 35kV - Google Patents

Manufacturing method of ethylene-propylene-diene monomer rubber insulating gloves for hot-line work of 35kV Download PDF

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Publication number
CN103497430A
CN103497430A CN201310462914.5A CN201310462914A CN103497430A CN 103497430 A CN103497430 A CN 103497430A CN 201310462914 A CN201310462914 A CN 201310462914A CN 103497430 A CN103497430 A CN 103497430A
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parts
mould
line work
terpolymer
insulating gloves
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CN201310462914.5A
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CN103497430B (en
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许箴
何建军
刘凯
唐盼
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State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
State Grid Jiangsu Electric Power Co Ltd
Changzhou Power Supply Co of Jiangsu Electric Power Co
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State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
State Grid Jiangsu Electric Power Co Ltd
Changzhou Power Supply Co of Jiangsu Electric Power Co
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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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02—Organic and inorganic ingredients
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D19/00—Gloves
    • A41D19/015—Protective gloves
    • 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
    • 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
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • 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
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098—Metal salts of carboxylic acids
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/45—Heterocyclic compounds having sulfur in the ring
    • C08K5/46—Heterocyclic compounds having sulfur in the ring with oxygen or nitrogen in the ring
    • C08K5/47—Thiazoles
    • 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
    • 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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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

The invention discloses a manufacturing method of a pair of ethylene-propylene-diene monomer rubber insulating gloves for a hot-line work of 35kV. The method comprises the following steps: adding stearic acid, zinc oxide, 2-mercapto benzimidazole, carbon black and zinc methacrylate into ethylene-propylene-diene monomer rubber to be mixed; adding N-annular caproyl-2-truxene thiazole sulfamide, tetramethyl thiuram disulfide, dicumyl peroxide and sulphur when the mixing comes to an end so as to obtain a rubber material; placing the rubber material which is mixed well and shearing into a rubber slice; putting the rubber slice into a mould; vulcanizing the mould on a vulcanizing machine; and cooling and drying the mould, thereby obtaining the pair of ethylene-propylene-diene monomer rubber insulating gloves for the hot-line work of 35kV. The pair of ethylene-propylene-diene monomer rubber insulating gloves cannot be broken through because being capable of bearing the power frequency withstand voltage of 50kV for one minute, and can meet the requirement of the hot-line work of 35kV even suffering the leakage current below 10mA. In addition, the usage flexibility and the working efficiency of operating personnel are not influenced.

Description

The manufacture method of terpolymer EP rubber insulating gloves for the 35kV hot line work
Technical field
The invention belongs to the hot line work technical field, be specifically related to the manufacture method of a kind of 35kV hot line work with the terpolymer EP rubber insulating gloves.
Background technology
Insulation glove for hot-line work is the insulating protection apparatus for the protection of hot line work personnel work safety, and it generally adopts natural rubber to make, and has the insulating property of relevant voltage grade and waterproof, acid and alkali-resistance, anti-wet goods function.
Usually the thickness of insulating gloves is 2.3mm～3.0mm, and the natural rubber insulating gloves in this thickness range is lower due to withstand voltage level, can't meet 35kV hot line work requirement.
If make the natural rubber insulating gloves meet 35kV hot line work requirement, more than the thickness of gloves must being increased to 5mm, and can cause like this operating personnel to use handiness greatly to descend, greatly affect working efficiency.
Summary of the invention
The object of the invention is to address the above problem, a kind of have higher withstand voltage level and the manufacture method of terpolymer EP rubber insulating gloves for the 35kV hot line work of insulating property preferably are provided.
The technical scheme that realizes the object of the invention is: the manufacture method of terpolymer EP rubber insulating gloves for a kind of 35kV hot line work, there are following steps: 1. according to proportioning successively by the stearic acid of 0.5～1.5 part, the zinc oxide of 2～8 parts, 0.5 the 2-mercaptobenzimidazole of～1.5 parts, the carbon black of 40～70 parts, the zinc methacrylate of 5～10 parts join in the terpolymer EP rubber of 100 parts, carry out mixing, when mixing closing to an end, the N-cyclohexyl-2-benzothiazole sulfonamide that adds 1.5～2.5 parts, 1.0 the tetramethyl-thiuram disulfide of～2.5 parts, 3.0 the sulphur of the dicumyl peroxide of～4.5 parts and 0.1～1.0 part, obtain sizing material, 2. the sizing material mixed is placed to 20h～30h at ambient temperature, then be cut into the film that is suitable for the mould size, 3. coat releasing agent and be preheated to 150 ℃～170 ℃ in mould, then the step film that 2. cutting obtains is put into to mould, and mould is put on vulcanizer, be forced into 10MPa～20MPa, heat-insulation pressure keeping sulfuration 5min～15min, then take out mould, is cooled to die sinking after envrionment temperature, final drying 20h～30h, obtain the terpolymer EP rubber insulating gloves.
100 parts of above-mentioned steps proportion optimization terpolymer EP rubbers 1.; 50 parts of carbon blacks; 0.4 part, sulphur; 4 parts, zinc oxide; 0.7 part of stearic acid; 0.8 part of 2-mercaptobenzimidazole; N-cyclohexyl-1.7 parts of 2-benzothiazole sulfonamides; 1.5 parts of tetramethyl-thiuram disulfides; 3.5 parts of dicumyl peroxides; 5 parts of zinc methacrylates.
The above-mentioned steps 2. described length that is suitable for the film of mould size * wide is 80mm * 80mm～120mm * 120mm, and weight is 80g～120g.
The positively effect that the present invention has: the terpolymer EP rubber integrated vulcanizing moulding after terpolymer EP rubber insulating gloves employing modification reinforcement for (1) 35kV hot line work of the present invention, it is not breakdown that this insulating gloves can bear 50kV industrial frequency withstand voltage 1 minute, and leakage current is below 10mA, there are higher withstand voltage level and insulating property preferably.(2) 35kV hot line work of the present invention is made conventional thickness with the terpolymer EP rubber insulating gloves and can be met 35kV hot line work requirement, has greatly improved operating personnel's use handiness and working efficiency.
Embodiment
(embodiment 1)
The 35kV hot line work of the present embodiment is made by the component of following weight parts with the terpolymer EP rubber insulating gloves:
Terpolymer EP rubber 1000g; Carbon black 500g; Sulphur 4g; Zinc oxide 40g; Stearic acid 7g; 2-mercaptobenzimidazole 8g; N-cyclohexyl-2-benzothiazole sulfonamide 17g; Tetramethyl-thiuram disulfide 15g; Dicumyl peroxide 35g; Zinc methacrylate 50g.
Above-mentioned 35kV hot line work has following steps by the manufacturing processed of terpolymer EP rubber insulating gloves:
The stearic acid that 1. will take according to proportioning, zinc oxide, 2-mercaptobenzimidazole, carbon black, zinc methacrylate join in the terpolymer EP rubber sizing material, carry out mixing, in mixing process, need be by the mechanical mixture effect, make said components fully, be evenly dispersed in the terpolymer EP rubber sizing material, avoid descending owing to mixing the inhomogeneous mechanical property of rubber that causes.
When mixing closing to an end, add N-cyclohexyl-2-benzothiazole sulfonamide, tetramethyl-thiuram disulfide, dicumyl peroxide and sulphur, can prevent incipient scorch like this.
2. by the sizing material that mixes at ambient temperature (0～40 ℃, lower with) place 24h, then cutting grow up * wide be 80mm * 80mm, the weight film that is the 80g left and right.
3. coat releasing agent and be preheated to 170 ℃ in mould, then three steps film that 2. cutting obtains (about 240g) is put into to mould, and mould is put on vulcanizer, be forced into 10MPa, heat-insulation pressure keeping sulfuration 15min, then take out mould, is cooled to die sinking after envrionment temperature, finally, by the dry 24h of the insulating gloves obtained after die sinking, obtain 35kV hot line work terpolymer EP rubber insulating gloves.
Embodiment 1 is made to the 35kV hot line work and with the terpolymer EP rubber insulating gloves, carry out the properties test, the results are shown in Table 2.
(embodiment 2～embodiment 3)
Each embodiment is substantially the same manner as Example 1, and difference is in Table 1.
Table 1
? Embodiment 1 Embodiment 2 Embodiment 3
Terpolymer EP rubber 1000g 1000g 1000g
Carbon black 500g 600g 550g
Sulphur 4g 7g 5g
Zinc oxide 40g 60g 50g
Stearic acid 7g 10g 10g
2-mercaptobenzimidazole 8g 12g 10g
N-cyclohexyl-2-benzothiazole sulfonamide 17g 20g 20g
Tetramethyl-thiuram disulfide 15g 20g 15g
Dicumyl peroxide 35g 38g 35g
Zinc methacrylate 50g 80g 50g
Film is long * wide 80mm×80mm 120mm×120mm 100mm×100mm
Film weight 80g 120g 100g
Mold preheating temperature 170℃ 150℃ 160℃
Sulfide stress 10MPa 20MPa 15MPa
Curing time 15min 5min 10min
Table 2
? Embodiment 1 Embodiment 2 Embodiment 3
Tensile strength MPa 14 15 16
Average tensile yield % 485 480 500
Tensile set % 13 12 14
50kV industrial frequency withstand voltage 1 minute Without puncturing, without flashover Without puncturing, without flashover Without puncturing, without flashover
As shown in Table 2: the 35kV hot line work that the present invention makes has higher withstand voltage level, insulating property and mechanical property preferably with the terpolymer EP rubber insulating gloves, can meet 35kV hot line work requirement.

Claims (3)

1. the manufacture method of terpolymer EP rubber insulating gloves for a 35kV hot line work is characterized in that having following steps:
1. according to proportioning successively the stearic acid of 0.5～1.5 part, the zinc oxide of 2～8 parts, the 2-mercaptobenzimidazole of 0.5～1.5 part, the carbon black of 40～70 parts, the zinc methacrylate of 5～10 parts are joined in the terpolymer EP rubber of 100 parts, carry out mixing, when mixing closing to an end, add the N-cyclohexyl-2-benzothiazole sulfonamide of 1.5～2.5 parts, the tetramethyl-thiuram disulfide of 1.0～2.5 parts, the dicumyl peroxide of 3.0～4.5 parts and the sulphur of 0.1～1.0 part, obtain sizing material;
2. the sizing material mixed is placed to 20h～30h at ambient temperature, then be cut into the film that is suitable for the mould size;
3. coat releasing agent and be preheated to 150 ℃～170 ℃ in mould, then the step film that 2. cutting obtains is put into to mould, and mould is put on vulcanizer, be forced into 10MPa～20MPa, heat-insulation pressure keeping sulfuration 5min～15min, then take out mould, is cooled to die sinking after envrionment temperature, final drying 20h～30h, obtain the terpolymer EP rubber insulating gloves.
2. the manufacture method of terpolymer EP rubber insulating gloves for 35kV hot line work according to claim 1, it is characterized in that: step proportioning 1. is 100 parts of terpolymer EP rubbers; 50 parts of carbon blacks; 0.4 part, sulphur; 4 parts, zinc oxide; 0.7 part of stearic acid; 0.8 part of 2-mercaptobenzimidazole; N-cyclohexyl-1.7 parts of 2-benzothiazole sulfonamides; 1.5 parts of tetramethyl-thiuram disulfides; 3.5 parts of dicumyl peroxides; 5 parts of zinc methacrylates.
3. the manufacture method of terpolymer EP rubber insulating gloves for 35kV hot line work according to claim 1 and 2, it is characterized in that: the step 2. described length that is suitable for the film of mould size * wide is 80mm * 80mm～120mm * 120mm, and weight is 80g～120g.
CN201310462914.5A 2013-10-08 2013-10-08 The 35kV hot line work manufacture method of terpolymer EP rubber insulating gloves Active CN103497430B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1775845A (en) * 2005-12-15 2006-05-24 浙江骆氏实业发展有限公司 Rubber product and its preparing process
CN102358793A (en) * 2011-08-31 2012-02-22 泛亚电缆集团有限公司 35KV ethylene propylene rubber insulating material and its preparation method
CN102585379A (en) * 2011-01-13 2012-07-18 北京橡胶工业研究设计院 Ethylene propylene diene rubber composition and preparation method
CN102617938A (en) * 2012-03-26 2012-08-01 兖矿集团有限公司 Cold-resistant ethyl-propylene insulating material for cables
CN102702624A (en) * 2011-12-31 2012-10-03 深圳罗庚电气有限公司 Ternary ethylenepropylene insulating sizing material for 35KV high-voltage cable accessory and preparation method for ternary ethylenepropylene insulating sizing material
CN103289214A (en) * 2013-06-27 2013-09-11 上海三原电缆附件有限公司 Ethylene propylene terpolymer insulating material for high-voltage direct-current cable accessory and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1775845A (en) * 2005-12-15 2006-05-24 浙江骆氏实业发展有限公司 Rubber product and its preparing process
CN102585379A (en) * 2011-01-13 2012-07-18 北京橡胶工业研究设计院 Ethylene propylene diene rubber composition and preparation method
CN102358793A (en) * 2011-08-31 2012-02-22 泛亚电缆集团有限公司 35KV ethylene propylene rubber insulating material and its preparation method
CN102702624A (en) * 2011-12-31 2012-10-03 深圳罗庚电气有限公司 Ternary ethylenepropylene insulating sizing material for 35KV high-voltage cable accessory and preparation method for ternary ethylenepropylene insulating sizing material
CN102617938A (en) * 2012-03-26 2012-08-01 兖矿集团有限公司 Cold-resistant ethyl-propylene insulating material for cables
CN103289214A (en) * 2013-06-27 2013-09-11 上海三原电缆附件有限公司 Ethylene propylene terpolymer insulating material for high-voltage direct-current cable accessory and preparation method thereof

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