CN106009199A - High-strength antiskid electrician ladder for power construction - Google Patents

High-strength antiskid electrician ladder for power construction Download PDF

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Publication number
CN106009199A
CN106009199A CN201610611782.1A CN201610611782A CN106009199A CN 106009199 A CN106009199 A CN 106009199A CN 201610611782 A CN201610611782 A CN 201610611782A CN 106009199 A CN106009199 A CN 106009199A
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rubber
ladder
electrician
power construction
butadiene
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郭秀珍
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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
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08L9/06—Copolymers with styrene
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/08—Special construction of longitudinal members, or rungs or other treads
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/003—Additives being defined by their diameter
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • 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
    • 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
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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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)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention relates to a high-strength antiskid electrician ladder for power construction. The high-strength antiskid electrician ladder for power construction comprises two ladder legs and pedals between the two ladder legs, wherein rubber antiskid sleeves aresheathed on the tops of the ladder legs; both sides of the upper part of each ladder leg are respectively provided with a hook and a placement cylinder; the ladder legs are made of bamboo; and the pedals are made of a high-strength wear-resistant plastic. The pedals have favorable heat dispersion, thereby ensuring the safety of the ladder and prolonging the service life. The electrician ladder has the advantages of low aging tendency, sufficient rigidity, long service life and lower maintenance cost, and is firm and durable on the premise of ensuring portability. The rubber antiskid sleeves can enhance the wear resistance, so that the antiskid property of the rubber antiskid sleeves is enhanced.

Description

A kind of power construction high-strength anti-skid ladder for electrician
Technical field
The present invention relates to a kind of power construction high-strength anti-skid ladder for electrician, belong to power maintenance technology field.
Background technology
High-altitude construction operation gets more and more in recent years, the construction accident and the line short trip accident that cause too close to high voltage alive equipment due to workmen often occur, some also creates large-area power failure, make national economy produce and be subject to heavy losses, people's life is brought tremendous influence with social activity.High-altitude construction operation is often constructed by means of ladder, and present ladder has various material, bamboo, wood, aluminium section bar；Bamboo, wood ladder are heavier, and carrying gets up to waste time and energy, and operation under special circumstances causes power construction difficulty to strengthen, and the engineering time extends, and easily cause degradation situation under staff's fatigue, construction quality.Aluminium section bar ladder is light, but cost is high, intensity is low and non-skid property is poor.
Owing to power equipment maintaining work is many out of doors, and the surface condition of repair location is had nothing in common with each other, common insulating ladder leg surface is hard smooth, when it leans against on operation framework or electrical equipment, owing to framework, equipment mostly are metal material and make, surface is relatively smooth, and insulating ladder rides against the most built on the sand, easily break away, use the safest.The most wet and slippery ground brings certain difficulty can to the erection of ladder, is susceptible to ladder sliding, often results in electrician and fall injured.
Therefore, the most both can guarantee that the security performance of ladder, and ladder can have been made again to have high intensity, be problem in the urgent need to address.
Summary of the invention
For the deficiencies in the prior art, the present invention provides a kind of power construction high-strength anti-skid ladder for electrician.
Technical scheme is as follows:
A kind of power construction high-strength anti-skid ladder for electrician, including two terraced lower limbs and the pedal that is connected between two terraced lower limbs, described ladder lower limb top is cased with rubber antiskid set, ladder both sides, lower limb top are respectively arranged with hook and article holder, described terraced lower limb is bamboo material, pedal is high-strength abrasion-proof plastics, and high-strength abrasion-proof plastic raw materials component is as follows, is weight portion:
Polyvinyl resin 40-60 part, phenolic resin 20-30 part, elastomer 2-10 part, Graphene 0.1-15 part, carborundum 3-7 part, silane coupler 1-10 part, semi-reinforcing furnace black 12-15 part, calcinated argil 10-12 part, surface treated Kev draws chopped strand 6～12 parts, nano molybdenum disulfide (MoS2) 5-7 part, aluminium sesquioxide 0.5-3 part, polydimethylsiloxane 3-5 part, fire retardant 0.5-2.5 part, dispersant 1-3 part；
Described rubber antiskid set raw material components is as follows, is weight portion:
Butadiene-styrene rubber 40-60 part, neoprene 20-40 part, fluoroether rubber 23-26 part, Graphene 0.1-15 part, phenolic resin 13-15 part, silane coupler 1-10 part, semi-reinforcing furnace black 12-15 part, calcinated argil 10-12 part, magnesium chloride 1-2 part, magnesium powder 1-5 part, nano molybdenum disulfide (MoS2) 5-7 part, age resistor 1-10 part, plasticizer 0-20 part, accelerator 1-5 part.
Currently preferred, described elastomer is butadiene-styrene rubber, neoprene, fluoroether rubber or EP rubbers one of which or arbitrarily two or more mixing.
It is further preferred that the mixture that described elastomer is butadiene-styrene rubber, neoprene and fluoroether rubber, butadiene-styrene rubber, neoprene, the mass ratio of fluoroether rubber be: (2-3): (1-2): (1-2).
Currently preferred, semi-reinforcing furnace black, calcinated argil, the particle diameter of carborundum are 80-90nm.
Currently preferred, described silane coupler is Si69, Si747, KH550, KH560, KH570；Preferably, described silane coupler is Si69.
Currently preferred, the particle diameter of white carbon black is more than 250nm, and further, white carbon black is fast extrusion white carbon black N990.
Currently preferred, described surface treated Kev draws chopped strand, it is in the methacrylic solution that Kev draws chopped strand input mass percent be 30%, take out after impregnating 35～40 minutes and clean and obtain in drying in oven, Kev draws chopped strand diameter 18um～25um, fibre length 3～5mm.
Currently preferred, the epoxide equivalent of described polydimethylsiloxane is 1650-1850g/mol.
Currently preferred, described fire retardant is the mixture of APP (PPA) and microencapsulated powder oil, and APP (PPA) is 3:1 with the mass ratio of microencapsulated powder oil.
Currently preferred, described dispersant is Tissuemat E, EVA wax, OP wax or TAS-2A dispersant, it is preferred that described dispersant is Tissuemat E.
Currently preferred, described butadiene-styrene rubber is newborn poly-butylbenzene, the trade mark 1502.
Currently preferred, described age resistor is amines antioxidants or phenol antiager, it is preferred that described age resistor is p-phenylene diamine derivative's class age resistor.
Currently preferred, described plasticizer is the one in dioctyl phthalate, dibutyl phthalate, tricresyl phosphate, trioctyl phosphate, di-n-octyl sebacate, dioctyl adipate, stearic acid.All can buy in market.
Currently preferred, described accelerator is thiazole accelerator or sulfenamide type accelerators, it is preferred that described accelerator is accelerant CZ or accelerator NS.
A currently preferred technical scheme, high-strength abrasion-proof plastic raw materials component is as follows, is weight portion:
Polyvinyl resin 40-50 part, phenolic resin 20-25 part, elastomer 3-5 part, Graphene 1-3 part, carborundum 3-4 part, silane coupler 1-3.5 part, semi-reinforcing furnace black 12-14 part, calcinated argil 10-11.5 part, surface treated Kev draws chopped strand 6～8.5 parts, nano molybdenum disulfide (MoS2) 5-7 part, aluminium sesquioxide 0.5-2 part, polydimethylsiloxane 3-4 part, fire retardant 0.5-1.5 part, dispersant 1-2 part；
Rubber antiskid set raw material components is as follows, is weight portion:
Butadiene-styrene rubber 50-58 part, neoprene 22-30 part, fluoroether rubber 24-26 part, Graphene 5-8 part, phenolic resin 13-15 part, silane coupler 1-6 part, semi-reinforcing furnace black 12-13 part, calcinated argil 10-11 part, 1 part of magnesium chloride, magnesium powder 1-3 part, nano molybdenum disulfide (MoS2) 5-6 part, age resistor 4-6 part, plasticizer 1-10 part, accelerator 1-3 part.
Currently preferred, high-strength abrasion-proof plastics are prepared as follows obtaining:
(1) molybdenum bisuphide is joined in N-Methyl pyrrolidone, through 1-5 hour prepared molybdenum bisuphide suspension of ultrasonic stripping；Molybdenum bisuphide with the mass volume ratio of N-Methyl pyrrolidone is: (1-15): 100, unit: g/ml；
(2) preheating banbury to 70-80 DEG C; polyvinyl resin, phenolic resin, elastomer are mixed with polydimethylsiloxane; under stirring and nitrogen protection; insulation 22-24min; it is cooled to 30-35 DEG C; add the molybdenum bisuphide suspension that step (1) prepares, be uniformly mixed, obtain mixture A；
(3) mixture A is joined in reflux, add hexamethylene, be uniformly mixed, be heated to reflux hexamethylene, reflux 30-40 minute, filter to obtain solid mixture；The addition of hexamethylene and the mass ratio of polyvinyl resin are (8-10): (2-5)；
(4) solid mixture step (3) obtained uses hot nitrogen to dry up; it is transferred in reactor; be subsequently adding carborundum, Graphene, semi-reinforcing furnace black, calcinated argil, white carbon black, surface treated Kev draw chopped strand, silane coupler; 50-60 DEG C it is heated to, stirring reaction 4-10 minute under the atmosphere of inert gas shielding；
(5) continue temperature when rising to 85-95 DEG C, add aluminium sesquioxide, fire retardant and dispersant, mixing 6-15min, be cooled to 45 DEG C with bottom discharge, to obtain final product.
Currently preferred, in step (4), the temperature of described hot nitrogen is 70-80 DEG C, and described noble gas is nitrogen or argon, and the mixing speed of stirring reaction is 80-100 rev/min.
Currently preferred, rubber antiskid set is prepared as follows obtaining:
1) molybdenum bisuphide is joined in N-Methyl pyrrolidone, through 1-5 hour prepared molybdenum bisuphide suspension of ultrasonic stripping；Molybdenum bisuphide with the mass volume ratio of N-Methyl pyrrolidone is: (1-15): 100, unit: g/ml；
2) preheating banbury to 70-80 DEG C, butadiene-styrene rubber, neoprene, fluoroether rubber, phenolic resin are put into banburying 22-24min in banbury and obtains rubber major ingredient, during play triangle bag 5-8 time, the rubber major ingredient obtained is cooled to 30-35 DEG C, add the molybdenum bisuphide suspension that step 1) prepares, it is uniformly mixed, obtains mixture A；
3) mixture A is joined in reflux, add hexamethylene, be uniformly mixed, be heated to reflux hexamethylene, reflux 30-40 minute, filter to obtain solid mixture；The addition of hexamethylene and the mass ratio of butadiene-styrene rubber are (8-10): (2-5)；
4) solid mixture step 3) obtained uses hot nitrogen to dry up; it is transferred in reactor; it is subsequently adding Graphene, semi-reinforcing furnace black, calcinated argil, magnesium chloride, magnesium powder, silane coupler; it is heated to 50-60 DEG C under the atmosphere of inert gas shielding; stirring reaction 120-150 minute, obtains intermedium；
5) in the intermedium obtained, age resistor, plasticizer, accelerator are added, proceed to after mix homogeneously in rubber mixing machine, glue furnacing temperature 90-100 DEG C, the 20-30 minute glue time of refining, discharging after sulfuration in vulcanizer put into by sizing material after refining glue, uses the annular cutting tool mated with Anti-slip cover to cut blank；Obtain Anti-slip cover.
Currently preferred, in step 5), the condition of sulfuration is for vulcanize at twice, and primary vulcanization temperature is 180-190 DEG C, and cure time 10-20 minute then heats to 220-240 DEG C, carries out second time and vulcanizes, and cure time is 7-10 minute for the second time.
nullThe ladder for electrician pedal of the present invention is in preparation process，Polyvinyl resin、Phenolic resin、Elastomer mixes with polydimethylsiloxane，It is high that polydimethylsiloxane has surface activity、The characteristics such as pliability is good and heat-resisting，Utilize the activity of epoxy radicals，Under the bridge formation of epoxy radicals，Make resin and elastomer firm be grafted on together with，And and elastomer molecules between formed firm C-C key and further constitute knit network structure，The hole that internal one-tenth is tiny，Improve pliability and hot property，Surface treated Kev draws the addition of chopped strand，Surround C-C major key thick and fast，Protection main chain is not impacted further、Destroy，The impact resistance of pedal is greatly improved，Improve the toughness of material，There is between molybdenum bisuphide lamella more weak Van der Waals force (lubrication)，Easily rive absorption frictional force，The direct friction between resin and elastomer is made to reform into the indirect friction between lamella，Thus improve the wearability of pedal；nullCoordinate Graphene simultaneously，The absorption sulfuration of Graphene large scale lamellar structure，Extend time of scorch，Ensure that process safety，Coordinating between molybdenum bisuphide with Graphene，Make intermolecular more firm、Closely knit，Pliability is made to further enhance，Semi-reinforcing furnace black and calcinated argil are as reinforcing agent，Can be sufficient filling with in hole，The wear-resisting tear-resistant performance of pedal is greatly improved，Prevent the present invention to be in use bacterially decomposed simultaneously and cause material disintegrate，Drastically increase mechanical performance and the corrosion resistance of pedal further，The use of silane coupler Si-69，Can not only promote that above-mentioned reinforcing filler is evenly distributed in the hole of the present invention，Simultaneously，Accelerator can be coordinated to form vulcanizing system，Improve vulcanization characteristics，Make the inorganic raw material in the present invention and Organic Ingredients grafting thus form entirety，Improve the compatibility of each raw material；Hot nitrogen dries up and makes Graphene, semi-reinforcing furnace black, calcinated argil, zinc oxide, surface treated Kev draws chopped strand, contact area between silane coupler and rubber increases, the most each play the reciprocity between each self-applying and component, make to join pedal and there is the tenacity of excellence, mechanical performance and corrosion resistance, thus improve the overall performance of ladder, under the effect of dispersant, aluminium sesquioxide, fire retardant can the most sufficiently be filled in hole, the pedal making the present invention has good heat dispersion, ensure that the safety of ladder, extend service life, it is difficult to aging, rigidity foot, service life is long, decrease maintenance cost, in sum, the ladder for electrician of the present invention is on the basis of guarantee is light, the most solid patience.
Rubber antiskid set is using butadiene-styrene rubber, butadiene rubber, fluoroether rubber as major ingredient so that Anti-slip cover possesses high-weatherability, excellent shock resistance, wear-resisting；Butadiene-styrene rubber; neoprene; fluoroether rubber compound under the cooperation of phenolic resin merges; add silane coupler simultaneously; making to be formed between rubber molecule firm C-C key and constitute " network structure " further, on fluoroether rubber molecular backbone, carbon atom link fluorine atom forms that bond length is short, bond energy great C-F key, and fluorine atom surrounds C-C major key thick and fast; protection main chain is not impacted, is destroyed further, makes rubber antiskid tackling have good wearability；There is between molybdenum bisuphide lamella more weak Van der Waals force (lubrication), absorption frictional force of easily riving so that the direct friction between rubber and rubber reforms into the indirect friction between lamella, improves the wearability of rubber further；Coordinate Graphene simultaneously, the absorption sulfuration of Graphene large scale lamellar structure, extend time of scorch, improve the process safety of neoprene, coordinating between molybdenum bisuphide with Graphene, make intermolecular more firm, closely knit, make wearability further enhance, so that the non-skid property of rubber antiskid set strengthens.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be further described, but is not limited to this.
The raw materials used convenient source that is, commercial products in embodiment.
Embodiment 1
A kind of power construction high-strength anti-skid ladder for electrician, including two terraced lower limbs and the pedal that is connected between two terraced lower limbs, described ladder lower limb top is cased with rubber antiskid set, ladder both sides, lower limb top are respectively arranged with hook and article holder, described terraced lower limb is bamboo material, pedal is high-strength abrasion-proof plastics, and high-strength abrasion-proof plastic raw materials component is as follows, is weight portion:
Polyvinyl resin 43 parts, 22 parts of phenolic resin, 5 parts of elastomer, Graphene 3 parts, carborundum 4 parts, silane coupler is Si69 3 parts, semi-reinforcing furnace black 12 parts, calcinated argil 10 parts, and surface treated Kev draws chopped strand 6 parts, nano molybdenum disulfide (MoS2) 5 parts, aluminium sesquioxide 1.5 parts, polydimethylsiloxane 3 parts, fire retardant 1 part, dispersant 2 parts.
Described elastomer is the mixture of butadiene-styrene rubber, neoprene and fluoroether rubber, and butadiene-styrene rubber, neoprene, the mass ratio of fluoroether rubber be: 2:1:1；Semi-reinforcing furnace black, calcinated argil, the particle diameter of carborundum are 80nm.
The particle diameter of white carbon black is more than 250nm, and white carbon black is fast extrusion white carbon black N990.
Surface treated Kev draws chopped strand, it is in the methacrylic solution that Kev draws chopped strand input mass percent be 30%, taking out after impregnating 35 minutes and clean and obtain in drying in oven, Kev draws chopped strand diameter 18um～25um, fibre length 3～5mm.
The epoxide equivalent of polydimethylsiloxane is 1720g/mol.
Fire retardant is the mixture of APP (PPA) and microencapsulated powder oil, and APP (PPA) is 3:1 with the mass ratio of microencapsulated powder oil.Dispersant is Tissuemat E.
High-strength abrasion-proof plastics are prepared as follows obtaining:
(1) molybdenum bisuphide is joined in N-Methyl pyrrolidone, through 3 hours prepared molybdenum bisuphide suspensions of ultrasonic stripping；Molybdenum bisuphide with the mass volume ratio of N-Methyl pyrrolidone is: 1:10, unit: g/ml；
(2) preheating banbury to 72 DEG C, mixes polyvinyl resin, phenolic resin, elastomer with polydimethylsiloxane, under stirring and nitrogen protection; insulation 22min, is cooled to 30 DEG C, adds the molybdenum bisuphide suspension that step (1) prepares; it is uniformly mixed, obtains mixture A；
(3) mixture A is joined in reflux, add hexamethylene, be uniformly mixed, be heated to reflux hexamethylene, reflux 30 minutes, filter to obtain solid mixture；The addition of hexamethylene and the mass ratio of polyvinyl resin are 4:1；
(4) hot nitrogen that solid mixture step (3) obtained uses temperature to be 70 DEG C dries up; it is transferred in reactor; be subsequently adding carborundum, Graphene, semi-reinforcing furnace black, calcinated argil, white carbon black, surface treated Kev draw chopped strand, silane coupler; 52 DEG C it are heated to, stirring reaction 4-10 minute under the atmosphere of inert gas shielding；
(5) continue temperature when rising to 85 DEG C, add aluminium sesquioxide, fire retardant and dispersant, mixing 6min, be cooled to 45 DEG C with bottom discharge, to obtain final product.
Rubber antiskid set raw material components is as follows, is weight portion:
43 parts of butadiene-styrene rubber, neoprene 32 parts, fluoroether rubber 25 parts, Graphene 5 parts, 13 parts of phenolic resin, silane coupler Si69 5 parts, semi-reinforcing furnace black 13 parts, calcinated argil 11 parts, 1 part of magnesium chloride, magnesium powder 2 parts, nano molybdenum disulfide (MoS2) 6 parts, 3 parts of phenylenediamine derivative class age resistor, synthesize plasticizer 8 parts, accelerant CZ 4 parts.
The preparation method of rubber antiskid set, step is as follows:
1) molybdenum bisuphide is joined in N-Methyl pyrrolidone, through 2 hours prepared molybdenum bisuphide suspensions of ultrasonic stripping；Molybdenum bisuphide with the mass volume ratio of N-Methyl pyrrolidone is: 12:100, unit: g/ml；
2) preheating banbury to 78 DEG C, butadiene-styrene rubber, neoprene, fluoroether rubber, phenolic resin are put into banburying 23min in banbury and obtains rubber major ingredient, during play triangle bag 6 times, the rubber major ingredient obtained is cooled to 30 DEG C, add the molybdenum bisuphide suspension that step 1) prepares, it is uniformly mixed, obtains mixture A；
3) mixture A is joined in reflux, add hexamethylene, be uniformly mixed, be heated to reflux hexamethylene, reflux 30-40 minute, filter to obtain solid mixture；The addition of hexamethylene and the mass ratio of butadiene-styrene rubber are 5:1；
4) solid mixture step 3) obtained uses temperature to be that 72 DEG C of intensification hot nitrogens dry up; it is transferred in reactor; it is subsequently adding Graphene, semi-reinforcing furnace black, calcinated argil, magnesium chloride, magnesium powder, silane coupler; it is heated to 55 DEG C under the atmosphere of nitrogen protection; react 120 minutes with the rotating speed stirring that mixing speed is 100 revs/min, obtain intermedium；
5) in the intermedium obtained, age resistor, plasticizer, accelerator are added, proceed to after mix homogeneously in rubber mixing machine, glue furnacing temperature 98 DEG C, refines 20 minutes glue time, and discharging after sulfuration in vulcanizer put into by the sizing material after refining glue, the condition of sulfuration is for vulcanize at twice, primary vulcanization temperature is 185 DEG C, cure time 17 minutes, then heats to 230 DEG C, carrying out second time to vulcanize, cure time is 8 minutes for the second time.Use the annular cutting tool mated with Anti-slip cover that blank is cut；Obtain Anti-slip cover.
Embodiment 2
With the ladder for electrician described in embodiment 1, difference is:
Pedal is high-strength abrasion-proof plastics, and high-strength abrasion-proof plastic raw materials component is as follows, is weight portion:
Polyvinyl resin 50 parts, 20 parts of phenolic resin, 5 parts of elastomer, Graphene 3 parts, carborundum 3 parts, silane coupler is Si69 1.5 parts, semi-reinforcing furnace black 14 parts, calcinated argil 11 parts, surface treated Kev draws chopped strand 8 parts, nano molybdenum disulfide (MoS2) 7 parts, aluminium sesquioxide 2 parts, polydimethylsiloxane 4 parts, fire retardant 1.5 parts, dispersant 2 parts.
Described elastomer is the mixture of butadiene-styrene rubber, neoprene and fluoroether rubber, and butadiene-styrene rubber, neoprene, the mass ratio of fluoroether rubber be: 3:2:2；Semi-reinforcing furnace black, calcinated argil, the particle diameter of carborundum are 80nm.
Described silane coupler is Si69.The particle diameter of white carbon black is more than 250nm, and white carbon black is fast extrusion white carbon black N990.
Surface treated Kev draws chopped strand, it is in the methacrylic solution that Kev draws chopped strand input mass percent be 30%, taking out after impregnating 35 minutes and clean and obtain in drying in oven, Kev draws chopped strand diameter 18um～25um, fibre length 3～5mm.
The epoxide equivalent of polydimethylsiloxane is 1820g/mol.
Fire retardant is the mixture of APP (PPA) and microencapsulated powder oil, and APP (PPA) is 3:1 with the mass ratio of microencapsulated powder oil.Dispersant is Tissuemat E.
High-strength abrasion-proof plastics are prepared as follows obtaining:
(1) molybdenum bisuphide is joined in N-Methyl pyrrolidone, through 3 hours prepared molybdenum bisuphide suspensions of ultrasonic stripping；Molybdenum bisuphide with the mass volume ratio of N-Methyl pyrrolidone is: 8:100, unit: g/ml；
(2) preheating banbury to 78 DEG C, mixes polyvinyl resin, phenolic resin, elastomer with polydimethylsiloxane, under stirring and nitrogen protection; insulation 22min, is cooled to 35 DEG C, adds the molybdenum bisuphide suspension that step (1) prepares; it is uniformly mixed, obtains mixture A；
(3) mixture A is joined in reflux, add hexamethylene, be uniformly mixed, be heated to reflux hexamethylene, reflux 30 minutes, filter to obtain solid mixture；The addition of hexamethylene and the mass ratio of polyvinyl resin are 2:1；
(4) hot nitrogen that solid mixture step (3) obtained uses temperature to be 78 DEG C dries up; it is transferred in reactor; be subsequently adding carborundum, Graphene, semi-reinforcing furnace black, calcinated argil, white carbon black, surface treated Kev draw chopped strand, silane coupler; 50 DEG C it are heated to, stirring reaction 4-10 minute under the atmosphere of inert gas shielding；
(5) continue temperature when rising to 90 DEG C, add aluminium sesquioxide, fire retardant and dispersant, mixing 6min, be cooled to 45 DEG C with bottom discharge, to obtain final product.
Rubber antiskid set raw material components is as follows, is weight portion:
58 parts of butadiene-styrene rubber, neoprene 22 parts, fluoroether rubber 23 parts, Graphene 10 parts, 15 parts of phenolic resin, silane coupler Si69 7 parts, semi-reinforcing furnace black 12 parts, calcinated argil 10 parts, 1 part of magnesium chloride, magnesium powder 3 parts, nano molybdenum disulfide (MoS2) 6 parts, 3 parts of phenylenediamine derivative class age resistor, synthesize plasticizer 5 parts, accelerant CZ 3 parts.
The preparation method of rubber antiskid set, step is as follows:
1) molybdenum bisuphide is joined in N-Methyl pyrrolidone, through 3 hours prepared molybdenum bisuphide suspensions of ultrasonic stripping；Molybdenum bisuphide with the mass volume ratio of N-Methyl pyrrolidone is: 8:100, unit: g/ml；
2) preheating banbury to 70-80 DEG C, butadiene-styrene rubber, neoprene, fluoroether rubber, phenolic resin are put into banburying 24min in banbury and obtains rubber major ingredient, during play triangle bag 5 times, the rubber major ingredient obtained is cooled to 35 DEG C, add the molybdenum bisuphide suspension that step 1) prepares, it is uniformly mixed, obtains mixture A；
3) mixture A is joined in reflux, add hexamethylene, be uniformly mixed, be heated to reflux hexamethylene, reflux 32 minutes, filter to obtain solid mixture；The addition of hexamethylene and the mass ratio of butadiene-styrene rubber are 4:1；
4) hot nitrogen that solid mixture step 3) obtained uses temperature to be 73 DEG C dries up; it is transferred in reactor; it is subsequently adding Graphene, semi-reinforcing furnace black, calcinated argil, magnesium chloride, magnesium powder, silane coupler; it is heated to 59 DEG C under the atmosphere of nitrogen protection; stir reaction 120 minutes with the mixing speeds of 88 revs/min, obtain intermedium；
5) in the intermedium obtained, age resistor, plasticizer, accelerator are added, proceed to after mix homogeneously in rubber mixing machine, glue furnacing temperature 93 DEG C, refines 22 minutes glue time, and discharging after sulfuration in vulcanizer put into by the sizing material after refining glue, the condition of sulfuration is for vulcanize at twice, primary vulcanization temperature is 182 DEG C, cure time 20 minutes, then heats to 225 DEG C, carrying out second time to vulcanize, cure time is 10 minutes for the second time.Use the annular cutting tool mated with Anti-slip cover that blank is cut；Obtain Anti-slip cover.

Claims (10)

1. a power construction high-strength anti-skid ladder for electrician, including two terraced lower limbs and the pedal that is connected between two terraced lower limbs, described ladder lower limb top is cased with rubber antiskid set, ladder both sides, lower limb top are respectively arranged with hook and article holder, described terraced lower limb is bamboo material, pedal is high-strength abrasion-proof plastics, and high-strength abrasion-proof plastic raw materials component is as follows, is weight portion:
Polyvinyl resin 40-60 part, phenolic resin 20-30 part, elastomer 2-10 part, Graphene 0.1-15 part, carborundum 3-7 part, silane coupler 1-10 part, semi-reinforcing furnace black 12-15 part, calcinated argil 10-12 part, surface treated Kev draws chopped strand 6～12 parts, nano molybdenum disulfide (MoS2) 5-7 part, aluminium sesquioxide 0.5-3 part, polydimethylsiloxane 3-5 part, fire retardant 0.5-2.5 part, dispersant 1-3 part；
Described rubber antiskid set raw material components is as follows, is weight portion:
Butadiene-styrene rubber 40-60 Part, neoprene 20-40 part, fluoroether rubber 23-26 part, Graphene 0.1-15 part, phenolic resin 13-15 part, silane coupler 1-10 part, semi-reinforcing furnace black 12-15 part, calcinated argil 10-12 part, magnesium chloride 1-2 part, magnesium powder 1-5 part, nano molybdenum disulfide (MoS2) 5-7 part, age resistor 1-10 part, plasticizer 0-20 part, accelerator 1-5 part.
Power construction high-strength anti-skid ladder for electrician the most according to claim 1, it is characterised in that described elastomer is butadiene-styrene rubber, neoprene, fluoroether rubber or EP rubbers one of which or arbitrarily two or more mixing；Preferably, described elastomer is the mixture of butadiene-styrene rubber, neoprene and fluoroether rubber, and butadiene-styrene rubber, neoprene, the mass ratio of fluoroether rubber be: (2-3): (1-2): (1-2).
Power construction high-strength anti-skid ladder for electrician the most according to claim 1, it is characterised in that semi-reinforcing furnace black, calcinated argil, the particle diameter of carborundum are 80-90nm；Described silane coupler is Si69, Si747, KH550, KH560, KH570；Preferably, described silane coupler is Si69, and the particle diameter of white carbon black is more than 250nm, and further, white carbon black is fast extrusion white carbon black N990.
Power construction high-strength anti-skid ladder for electrician the most according to claim 1, it is characterized in that, described surface treated Kev draws chopped strand, it is in the methacrylic solution that Kev draws chopped strand input mass percent be 30%, take out after impregnating 35～40 minutes and clean and obtain in drying in oven, Kev draws chopped strand diameter 18um～25um, fibre length 3～5mm.
Power construction high-strength anti-skid ladder for electrician the most according to claim 1, it is characterized in that, the epoxide equivalent of described polydimethylsiloxane is 1650-1850g/mol, described fire retardant is the mixture of APP (PPA) and microencapsulated powder oil, APP (PPA) is 3:1 with the mass ratio of microencapsulated powder oil, described dispersant is Tissuemat E, EVA wax, OP wax or TAS-2A dispersant, it is preferred that described dispersant is Tissuemat E.
Power construction high-strength anti-skid ladder for electrician the most according to claim 1, it is characterized in that, described butadiene-styrene rubber is newborn poly-butylbenzene, the trade mark 1502, described age resistor is amines antioxidants or phenol antiager, preferably, described age resistor is p-phenylene diamine derivative's class age resistor, described plasticizer is dioctyl phthalate, dibutyl phthalate, tricresyl phosphate, trioctyl phosphate, di-n-octyl sebacate, dioctyl adipate, one in stearic acid, described accelerator is thiazole accelerator or sulfenamide type accelerators, preferably, described accelerator is accelerant CZ or accelerator NS.
Power construction high-strength anti-skid ladder for electrician the most according to claim 1, it is characterised in that high-strength abrasion-proof plastic raw materials component is as follows, is weight portion:
Polyvinyl resin 40-50 part, phenolic resin 20-25 part, elastomer 3-5 part, Graphene 1-3 part, carborundum 3-4 part, silane coupler 1-3.5 part, semi-reinforcing furnace black 12-14 part, calcinated argil 10-11.5 part, surface treated Kev draws chopped strand 6～8.5 parts, nano molybdenum disulfide (MoS2) 5-7 part, aluminium sesquioxide 0.5-2 part, polydimethylsiloxane 3-4 part, fire retardant 0.5-1.5 part, dispersant 1-2 part；
Rubber antiskid set raw material components is as follows, is weight portion:
Butadiene-styrene rubber 50-58 part, neoprene 22-30 part, fluoroether rubber 24-26 part, Graphene 5-8 part, phenolic resin 13-15 part, silane coupler 1-6 part, semi-reinforcing furnace black 12-13 part, calcinated argil 10-11 part, 1 part of magnesium chloride, magnesium powder 1-3 part, nano molybdenum disulfide (MoS2) 5-6 part, age resistor 4-6 part, plasticizer 1-10 part, accelerator 1-3 part.
Power construction high-strength anti-skid ladder for electrician the most according to claim 1, it is characterised in that high-strength abrasion-proof plastics are prepared as follows obtaining:
(1) molybdenum bisuphide is joined in N-Methyl pyrrolidone, through 1-5 hour prepared molybdenum bisuphide suspension of ultrasonic stripping；Molybdenum bisuphide with the mass volume ratio of N-Methyl pyrrolidone is: (1-15): 100, unit: g/ml；
(2) preheating banbury to 70-80 DEG C; polyvinyl resin, phenolic resin, elastomer are mixed with polydimethylsiloxane; under stirring and nitrogen protection; insulation 22-24min; it is cooled to 30-35 DEG C; add the molybdenum bisuphide suspension that step (1) prepares, be uniformly mixed, obtain mixture A；
(3) mixture A is joined in reflux, add hexamethylene, be uniformly mixed, be heated to reflux hexamethylene, reflux 30-40 minute, filter to obtain solid mixture；The addition of hexamethylene and the mass ratio of polyvinyl resin are (8-10): (2-5)；
(4) solid mixture step (3) obtained uses hot nitrogen to dry up; it is transferred in reactor; be subsequently adding carborundum, Graphene, semi-reinforcing furnace black, calcinated argil, white carbon black, surface treated Kev draw chopped strand, silane coupler; 50-60 DEG C it is heated to, stirring reaction 4-10 minute under the atmosphere of inert gas shielding；
(5) continue temperature when rising to 85-95 DEG C, add aluminium sesquioxide, fire retardant and dispersant, mixing 6-15min, be cooled to 45 DEG C with bottom discharge, to obtain final product.
Power construction high-strength anti-skid ladder for electrician the most according to claim 8, it is characterised in that in step (4), the temperature of described hot nitrogen is 70-80 DEG C, described noble gas is nitrogen or argon, and the mixing speed of stirring reaction is 80-100 rev/min.
Power construction high-strength anti-skid ladder for electrician the most according to claim 1, it is characterised in that rubber antiskid set is prepared as follows obtaining:
1) molybdenum bisuphide is joined in N-Methyl pyrrolidone, through 1-5 hour prepared molybdenum bisuphide suspension of ultrasonic stripping；Molybdenum bisuphide with the mass volume ratio of N-Methyl pyrrolidone is: (1-15): 100, unit: g/ml；
2) preheating banbury to 70-80 DEG C, butadiene-styrene rubber, neoprene, fluoroether rubber, phenolic resin are put into banburying 22-24min in banbury and obtains rubber major ingredient, during play triangle bag 5-8 time, the rubber major ingredient obtained is cooled to 30-35 DEG C, add the molybdenum bisuphide suspension that step 1) prepares, it is uniformly mixed, obtains mixture A；
3) mixture A is joined in reflux, add hexamethylene, be uniformly mixed, be heated to reflux hexamethylene, reflux 30-40 minute, filter to obtain solid mixture；The addition of hexamethylene and the mass ratio of butadiene-styrene rubber are (8-10): (2-5)；
4) solid mixture step 3) obtained uses hot nitrogen to dry up; it is transferred in reactor; it is subsequently adding Graphene, semi-reinforcing furnace black, calcinated argil, magnesium chloride, magnesium powder, silane coupler; it is heated to 50-60 DEG C under the atmosphere of inert gas shielding; stirring reaction 120-150 minute, obtains intermedium；
5) in the intermedium obtained, age resistor, plasticizer, accelerator are added, proceed to after mix homogeneously in rubber mixing machine, glue furnacing temperature 90-100 DEG C, the 20-30 minute glue time of refining, discharging after sulfuration in vulcanizer put into by sizing material after refining glue, uses the annular cutting tool mated with Anti-slip cover to cut blank；Obtain Anti-slip cover；
In step 5), the condition of sulfuration is for vulcanize at twice, and primary vulcanization temperature is 180-190 DEG C, and cure time 10-20 minute then heats to 220-240 DEG C, carries out second time and vulcanizes, and cure time is 7-10 minute for the second time.
CN201610611782.1A 2016-07-30 2016-07-30 High-strength antiskid electrician ladder for power construction Pending CN106009199A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108148428A (en) * 2016-12-05 2018-06-12 张连瑞 A kind of movable folding type insulating ladder

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202441247U (en) * 2012-02-03 2012-09-19 曹法明 Skidproof insulating ladder
CN104072848A (en) * 2014-06-23 2014-10-01 李雪红 Polyethylene wear-resistant plastic
CN104086835A (en) * 2014-06-24 2014-10-08 宁国市日格美橡塑制品有限公司 Wear-resistant heat-resistant anti-aging rubber material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202441247U (en) * 2012-02-03 2012-09-19 曹法明 Skidproof insulating ladder
CN104072848A (en) * 2014-06-23 2014-10-01 李雪红 Polyethylene wear-resistant plastic
CN104086835A (en) * 2014-06-24 2014-10-08 宁国市日格美橡塑制品有限公司 Wear-resistant heat-resistant anti-aging rubber material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108148428A (en) * 2016-12-05 2018-06-12 张连瑞 A kind of movable folding type insulating ladder

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