CN109709781A - A kind of ECO ionic conduction type charging roller and preparation method thereof - Google Patents
A kind of ECO ionic conduction type charging roller and preparation method thereof Download PDFInfo
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- CN109709781A CN109709781A CN201811519147.6A CN201811519147A CN109709781A CN 109709781 A CN109709781 A CN 109709781A CN 201811519147 A CN201811519147 A CN 201811519147A CN 109709781 A CN109709781 A CN 109709781A
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Abstract
The present invention relates to charging roller technical fields, more particularly to a kind of ECO ionic conduction type charging roller and preparation method thereof, which includes roll shaft, the foaming conductive sponge layer being sheathed on the outside of roll shaft and the ECO ionic conduction rubber layer being sheathed on the outside of foaming conductive sponge layer；The roll shaft is aluminium core, the chemical component of the aluminium core includes the element of following weight percent: Cu:1.60%-1.80%, Mg:2.30%-2.50%, Mn:0.40%-0.60%, Fe≤0.50%, Si≤0.50%, surplus is Al and inevitable impurity, impurity is single≤and 0.05%, total amount≤0.15%.Charging roller of the invention, as roll shaft, has excellent electric conductivity, thermal conductivity and corrosion resistance using aluminium core, and density is low, and intensity is high, and plasticity is good, is easily worked.
Description
Technical field
The present invention relates to charging roller technical fields, and in particular to a kind of ECO ionic conduction type charging roller and preparation method thereof.
Background technique
The charging roller used on printing device is responsible for contacting rotation with photosensitive drums, makes photosensitive drums uniform charging, generates exposure
Electrostatic latent image after light.The roll shaft of existing charging roller generally uses stainless steel material, and stainless steel material price is more expensive, it is more difficult to
Processing, and corrosion resistance is poor, gets rusty easily, and leverages the service life of charging roller.
Summary of the invention
In order to overcome shortcoming and defect existing in the prior art, the purpose of the present invention is to provide a kind of ECO ions to lead
Electric type charging roller, the charging roller, as roll shaft, have excellent electric conductivity, thermal conductivity and corrosion resistance using aluminium core, and close
Spend low, intensity is high, and plasticity is good, is easily worked.
Another object of the present invention is to provide a kind of preparation method of ECO ionic conduction type charging roller, the preparation methods
Step is simple, convenient operation and control, and quality is stablized, and high production efficiency, production cost is low, can large-scale industrial production.
The purpose of the invention is achieved by the following technical solution: a kind of ECO ionic conduction type charging roller, including roll shaft, set
Foaming conductive sponge layer on the outside of roll shaft and the ECO ionic conduction rubber layer being sheathed on the outside of foaming conductive sponge layer；
The roll shaft is aluminium core, and the chemical component of the aluminium core includes the element of following weight percent: Cu:1.60%-1.80%, Mg:
2.30%-2.50%, Mn:0.40%-0.60%, Fe≤0.50%, Si≤0.50%, surplus are Al and inevitable impurity, impurity
Individually≤0.05%, total amount≤0.15%.
Charging roller aluminium core of the invention is by using Cu element, and controlling its dosage is 1.60%-1.80%, has preferable solid solution
Strengthening effect；Charging roller aluminium core of the invention is by using Mg element, and controlling its dosage is 2.30%-2.50%, and intensity is high, can
Weldering property is good, and corrosion stability might as well；Charging roller aluminium core of the invention is by using Mn element, and controlling its dosage is 0.40%-
0.60%, recrystallization temperature can be improved, and can significantly refine recrystal grain；Charging roller aluminium core of the invention is by using Fe
Element, and its dosage≤0.50% is controlled, there is preferable processing performance；Charging roller aluminium core of the invention by using Si element,
And its dosage≤0.50% is controlled, intensity when can improve tensile strength, hardness, machinability and high temperature, and reduce elongation percentage.
Charging roller aluminium core of the invention is by using above-mentioned element, and the weight percent of strict control each element, is made
Aluminium core there is excellent electric conductivity, thermal conductivity and corrosion resistance, and density is low, and intensity is high, and plasticity is good, is easily worked.
The ECO ionic conduction rubber layer is made of the raw material of following parts by weight:
60-80 parts of chlorohydrin rubber
2-5 parts of ionic conductive agent
6-10 parts of promotor
4-8 parts of activating agent
1-3 parts of bridging agent
1-2 parts of acid absorbent
1-2 parts of dispersing agent
3-5 parts of processing aid.
The chlorohydrin rubber is as epoxychloropropane and ethylene oxide with copolymer made from molar ratio 0.8-1.2:1.This
Invention passes through the polymerized monomer and proportion of strict control chlorohydrin rubber, and elasticity is good for ECO ionic conduction rubber layer obtained, cold resistance
Preferably.
The ionic conductive agent is made of cobalt acid lithium, nickel ion doped and nickle cobalt lithium manganate with weight ratio 2-4:1-2:1
Mixture.ECO ionic conduction rubber layer of the invention, can be with by type, compounding and the proportion of strict control ionic conductive agent
The advantages such as conductive characteristic, the physical property of conductive material are improved, make ECO ionic conduction rubber layer that there is excellent and stable conduction
Performance and mechanical performance.
The promotor is by N- cyclohexyl -2-[4-morpholinodithio sulfenamide, tetramethyl disulfide thiuram and diphenylguanidine
The mixture formed with weight ratio 0.5-1.5:1.5-2.5:1.ECO ionic conduction rubber layer of the invention is promoted by strict control
Into the type, compounding and proportion of agent, sulfurization can be promoted, vulcanization time can be shortened, reduce curing temperature, vulcanizing agent is reduced and use
Amount and the physical mechanical property for improving rubber.
The activating agent is by magnesia, calcium hydroxide and dibutyl oleic acid amine with weight ratio 0.8-1.2:1.4-2.4:1
The mixture of composition.ECO ionic conduction rubber layer of the invention passes through type, compounding and the proportion of strict control activating agent, can
To promote sulfuration process, promotor can be made to play maximum capacity, reduce accelerator dosage, shorten vulcanization time.
The bridging agent is caprolactam enclosed type aromatic polyisocyanate.ECO ionic conduction rubber layer of the invention
By using caprolactam enclosed type aromatic polyisocyanate as bridging agent, ECO ionic conduction rubber layer can be improved
The performances such as water-fast, chemicals-resistant, wear-resisting, adhesive force, mechanics machinery.
The mixture that the acid absorbent is made of hydrotalcite and 4A zeolite with weight ratio 2-4:1.ECO ion of the invention
Conductive rubber layer passes through type, compounding and the proportion of strict control acid absorbent, can be absorbed and generates in chlorohydrin rubber process
Hydrogen chloride gas, and improve the tensile strength and elongation at break of ECO ionic conduction rubber layer.
The mixture that the dispersing agent is made of oleamide and polyethylene glycol with weight ratio 1-2:1.ECO of the invention
Ionic conduction rubber layer passes through type, compounding and the proportion of strict control dispersing agent, can improve the dispersion performance of filler, improves
The intensity of ECO ionic conduction rubber layer.
The processing aid is by calcium stearate, magnesium stearate and stearic acid with weight ratio 1:0.5-1.5:1.5-2.5 group
At mixture.ECO ionic conduction rubber layer of the invention passes through type, compounding and the proportion of strict control processing aid, can
So that material improves the mobility of material and the release property of product in process.
Preferably, the chemical component of the aluminium core meets following formula:
5.6%≤2Cu+Mg≤6.0% ... (1)
1.2%≤2Mn+Fe+Si≤2.0% ... (2).
Cu, Mg, Mn, Fe and Si element have excellent by meeting above-mentioned technique, aluminium core obtained in aluminium core of the invention
Electric conductivity, thermal conductivity and corrosion resistance, and density is low, and intensity is high, and plasticity is good, is easily worked.
Preferably, the aluminium core further includes Ca:0.5%-1.5%, Cr:0.15%-0.35% and Zn:0.04%-0.08%.
Charging roller aluminium core of the invention controls its dosage position 0.5%-1.5% by using Ca element, and aluminium core can be improved
Electric conductivity, moreover it is possible to improve the processing performance of aluminium alloy；Charging roller aluminium core of the invention controls it by using Cr element
Dosage position 0.15%-0.35%, there is certain invigoration effect to alloy, moreover it is possible to improve alloy ductility and reduction stress corrosion cracking is quick
Perception；Charging roller aluminium core of the invention controls its dosage position 0.04%-0.08% by using Zn element, can obviously increase anti-
Tensile strength and yield strength.
More preferably, the chemical component of the aluminium core also meets following formula:
2.2%≤Ca+4Cr+15Zn≤3.6% ... (3).
Ca, Cr and Zn element have excellent conduction by meeting above-mentioned technique, aluminium core obtained in aluminium core of the invention
Property, thermal conductivity and corrosion resistance, and density is low, and intensity is high, and plasticity is good, is easily worked.
Preferably, the aluminium core further includes Li:0.2%-0.4%, Zr:0.02%-0.06% and V:0.01%-0.05%.
Charging roller aluminium core of the invention controls its dosage position 0.2%-0.4% by using Li element, can reduce aluminium conjunction
The density of gold, improves the strength and stiffness of aluminium alloy, reaches light-weighted effect；Charging roller aluminium core of the invention by using
Zr element, and its dosage position 0.02%-0.06% is controlled, recrystallization process can be hindered, recrystal grain is refined；Charging of the invention
Roller aluminium core controls its dosage position 0.01%-0.05% by using V element, plays Grain refinement, can refine recrystallization group
It knits, improves recrystallization temperature.
More preferably, the chemical component of the aluminium core also meets following formula:
0.8%≤Li+15Zr+10V≤1.6% ... (4).
Li, Zr and V element are by meeting above-mentioned technique in aluminium core of the invention, and aluminium core obtained is with excellent conduction
Property, thermal conductivity and corrosion resistance, and density is low, and intensity is high, and plasticity is good, is easily worked.
Preferably, the aluminium core further includes Ti:0.1%-0.3%, B:0.04%-0.08% and Sr:0.01%-0.05%.
Charging roller aluminium core of the invention controls its dosage position 0.1%-0.3% by using Ti element, can keep leading
The mechanical performance of aluminium core is improved in the case where electrical property；Charging roller aluminium core of the invention controls its dosage position by using B element
0.04%-0.08% has the function of refining cast sturcture and seam organization；Charging roller aluminium core of the invention is by using Sr member
Element, and its dosage position 0.01%-0.05% is controlled, the tensile strength, yield strength and elongation percentage of aluminium core can be improved, moreover it is possible to reduce just
Crystal silicon particle size improves plastic deformation ability.
More preferably, the chemical component of the aluminium core also meets following formula:
0.6%≤Ti+5B+10Sr≤1.0% ... (5).
Ti, B and Sr element have excellent conduction by meeting above-mentioned technique, aluminium core obtained in aluminium core of the invention
Property, thermal conductivity and corrosion resistance, and density is low, and intensity is high, and plasticity is good, is easily worked.
Preferably, the aluminium core further includes mischmetal Re:0.05%-0.15%, and the Re is by La, Ce, Pr, Nd, Pm
The mixture formed with Sm with mass ratio 2-4:1-3:0.4-0.8:1.5-2.5:0.8-1.2:1.
Re is the mischmetal containing La, Ce, Pr, Nd, Pm and Sm totally 6 kinds of light rare earth elements, the physics of light rare earth elements
Chemical property is active, can react with impurity elements such as hydrogen, oxygen, manganese, zinc, chromium in aluminum alloy melt and generate high-melting-point, high stability
Rare earth compound, have deep purifying effect to aluminum alloy melt, impurity element can be eliminated to the adverse effect of mechanical property.Separately
Outside, rare earth compound has the characteristics that fusing point is high, hardness is high and thermal stability is good, segregation phase boundary and crystal boundary can be improved phase boundary and
The intensity and creep resisting ability of crystal boundary further increase the intensity and heat resistance of aluminium alloy.Lot of experiments through inventor
Show that effect of the addition containing La, Ce, Pr, Nd, Pm and Sm mischmetal of totally 6 kinds of light rare earth elements is a kind of or few than adding
The effect of several light rare earth elements of number is all more preferable, therefore, the mischmetal of selection addition 0.05%-0.15%, it is preferred that mixing is dilute
Native additive amount is 0.1%.
The present invention by using La, Ce, Pr, Nd, Pm and Sm as mischmetal, and control its mass ratio be 2-4:1-3:
0.4-0.8:1.5-2.5:0.8-1.2:1 can refine crystal grain, reduce secondary intergranular away from, reduce secondary intergranular away from, reduce alloy
In gas and be mingled with, and constituent phases is made to tend to nodularization；Smelt surface tension can be also reduced, increases mobility, is conducive to be poured
Ingot.
A kind of preparation method of ECO ionic conduction type charging roller, includes the following steps:
(1) preparation of roll shaft: aluminium alloy cast ingot is made in aluminium alloy stock, aluminium alloy cast ingot carries out homogenizing annealing again, uniformly
Aluminium alloy cast ingot is shaped to squeeze wood again after annealing, squeeze wood carries out ageing treatment, obtains roll shaft after ageing treatment；
(2) it cuts: by required charging roller size, cutting foaming conductive sponge layer to required size；
(3) it covers cotton: the foaming conductive sponge for having cut size is covered on roll shaft；
(4) it polishes: the charging roller for packaging foaming conductive sponge is polishing to required size；
(5) preparation of ECO ionic conduction rubber layer: raw material needed for weighing ECO ionic conduction rubber layer by weight ratio, through mixed
Material, granulation and extrusion molding, are made ECO ionic conduction rubber layer；
(6) casing: ECO ionic conduction rubber layer is covered in the outside of foaming conductive sponge, and ECO ionic conduction type sponge is made and fills
Electric roller.
The beneficial effects of the present invention are: charging rollers of the invention to be used as roll shaft using aluminium core, with excellent electric conductivity,
Thermal conductivity and corrosion resistance, and density is low, intensity is high, and plasticity is good, is easily worked.
Preparation method step of the invention is simple, convenient operation and control, and quality is stablized, and high production efficiency, production cost is low,
It can large-scale industrial production.
Charging roller of the invention uses ionic conduction by using ECO ionic conduction rubber layer, ECO ionic conduction rubber layer
The advantages such as conductive characteristic, the physical property of conductive material can be improved as conductive filler in agent, make ECO ionic conduction rubber layer
With excellent and stable electric conductivity and mechanical performance, charging roller good conductivity obtained also has good mechanical performance,
Durability is good, long service life.
Specific embodiment
For the ease of the understanding of those skilled in the art, below with reference to embodiment, the present invention is further illustrated, real
The content that the mode of applying refers to not is limitation of the invention.
Embodiment 1
A kind of ECO ionic conduction type charging roller including roll shaft, the foaming conductive sponge layer being sheathed on the outside of roll shaft and is arranged
ECO ionic conduction rubber layer on the outside of foaming conductive sponge layer；The roll shaft is aluminium core, and the chemical component of the aluminium core includes
The element of following weight percent: Cu:1.60%, Mg:2.50%, Mn:0.40%, Fe:0.50%, Si:0.50%, surplus be Al and
Inevitable impurity, impurity is single≤and 0.05%, total amount≤0.15%；
The aluminium core further includes Ca:0.5%, Cr:0.35% and Zn:0.08%.
The aluminium core further includes Li:0.2%, Zr:0.06% and V:0.05%.
The aluminium core further includes Ti:0.1%, B:0.08% and Sr:0.05%.
The aluminium core further includes mischmetal Re:0.05%, and the Re is by La, Ce, Pr, Nd, Pm and Sm with mass ratio 2:
1:0.4:1.5:0.8:1 the mixture of composition.
The ECO ionic conduction rubber layer is made of the raw material of following parts by weight:
60 parts of chlorohydrin rubber
2 parts of ionic conductive agent
6 parts of promotor
4 parts of activating agent
1 part of bridging agent
1 part of acid absorbent
1 part of dispersing agent
3 parts of processing aid.
The chlorohydrin rubber is as epoxychloropropane and ethylene oxide with copolymer made from molar ratio 0.8:1.
The mixing that the ionic conductive agent is made of cobalt acid lithium, nickel ion doped and nickle cobalt lithium manganate with weight ratio 2:1:1
Object.
The promotor is by N- cyclohexyl -2-[4-morpholinodithio sulfenamide, tetramethyl disulfide thiuram and diphenylguanidine
The mixture formed with weight ratio 0.5:1.5:1.
The activating agent is made of magnesia, calcium hydroxide and dibutyl oleic acid amine with weight ratio 0.8:1.4:1 mixed
Close object.
The bridging agent is caprolactam enclosed type aromatic polyisocyanate.
The mixture that the acid absorbent is made of hydrotalcite and 4A zeolite with weight ratio 2:1.
The mixture that the dispersing agent is made of oleamide and polyethylene glycol with weight ratio 1:1.
The mixing that the processing aid is made of calcium stearate, magnesium stearate and stearic acid with weight ratio 1:0.5:1.5
Object.
A kind of preparation method of ECO ionic conduction type charging roller, includes the following steps:
(1) preparation of roll shaft: aluminium alloy cast ingot is made in aluminium alloy stock, aluminium alloy cast ingot carries out homogenizing annealing again, uniformly
Aluminium alloy cast ingot is shaped to squeeze wood again after annealing, squeeze wood carries out ageing treatment, obtains roll shaft after ageing treatment；
(2) it cuts: by required charging roller size, cutting foaming conductive sponge layer to required size；
(3) it covers cotton: the foaming conductive sponge for having cut size is covered on roll shaft；
(4) it polishes: the charging roller for packaging foaming conductive sponge is polishing to required size；
(5) preparation of ECO ionic conduction rubber layer: raw material needed for weighing ECO ionic conduction rubber layer by weight ratio, through mixed
Material, granulation and extrusion molding, are made ECO ionic conduction rubber layer；
(6) casing: ECO ionic conduction rubber layer is covered in the outside of foaming conductive sponge, and ECO ionic conduction type sponge is made and fills
Electric roller.
Embodiment 2
The present embodiment and above-described embodiment 1 the difference is that: the chemical component of the aluminium core includes following weight percent
Element: Cu:1.65%, Mg:2.45%, Mn:0.45, Fe:0.40%, Si:0.40%, surplus be Al and inevitable impurity,
Impurity is single≤and 0.05%, total amount≤0.15%；
The aluminium core further includes Ca:0.8%, Cr:0.3% and Zn:0.07%.
The aluminium core further includes Li:0.25%, Zr:0.05% and V:0.04%.
The aluminium core further includes Ti:0.15%, B:0.07% and Sr:0.04%.
The aluminium core further includes mischmetal Re:0.08%, and the Re is by La, Ce, Pr, Nd, Pm and Sm with mass ratio
2.5:1.5:0.5:1.8:0.9:1 the mixture of composition.
The ECO ionic conduction rubber layer is made of the raw material of following parts by weight:
65 parts of chlorohydrin rubber
3 parts of ionic conductive agent
7 parts of promotor
5 parts of activating agent
1.5 parts of bridging agent
1.2 parts of acid absorbent
1.2 parts of dispersing agent
3.5 parts of processing aid.
The chlorohydrin rubber is as epoxychloropropane and ethylene oxide with copolymer made from molar ratio 0.9:1.
The ionic conductive agent is made of cobalt acid lithium, nickel ion doped and nickle cobalt lithium manganate with weight ratio 2.5:1.2:1
Mixture.
The promotor is by N- cyclohexyl -2-[4-morpholinodithio sulfenamide, tetramethyl disulfide thiuram and diphenylguanidine
The mixture formed with weight ratio 0.8:1.8:1.
The activating agent is made of magnesia, calcium hydroxide and dibutyl oleic acid amine with weight ratio 0.9:1.6:1 mixed
Close object.
The bridging agent is caprolactam enclosed type aromatic polyisocyanate.
The mixture that the acid absorbent is made of hydrotalcite and 4A zeolite with weight ratio 2.5:1.
The mixture that the dispersing agent is made of oleamide and polyethylene glycol with weight ratio 1.2:1.
The mixing that the processing aid is made of calcium stearate, magnesium stearate and stearic acid with weight ratio 1:0.8:1.8
Object.
Embodiment 3
The present embodiment and above-described embodiment 1 the difference is that: the chemical component of the aluminium core includes following weight percent
Element: Cu:1.70%, Mg:2.40%, Mn:0.50%, Fe:0.30%, Si:0.30%, surplus be Al and inevitable impurity,
Impurity is single≤and 0.05%, total amount≤0.15%；
The aluminium core further includes Ca:1%, Cr:0.25% and Zn:0.06%.
The aluminium core further includes Li:0.3%, Zr:0.04% and V:0.03%.
The aluminium core further includes Ti:0.2%, B:0.06% and Sr:0.03%.
The aluminium core further includes mischmetal Re:0.1%, and the Re is by La, Ce, Pr, Nd, Pm and Sm with mass ratio 3:
2:0.6:2:1:1 the mixture of composition.
The ECO ionic conduction rubber layer is made of the raw material of following parts by weight:
72.99 parts of chlorohydrin rubber
3.64 parts of ionic conductive agent
8.03 parts of promotor
5.84 parts of activating agent
2.19 parts of bridging agent
1.46 parts of acid absorbent
1.46 parts of dispersing agent
4.39 parts of processing aid.
The chlorohydrin rubber is as epoxychloropropane and ethylene oxide with copolymer made from molar ratio 1:1.
The ionic conductive agent is made of cobalt acid lithium, nickel ion doped and nickle cobalt lithium manganate with weight ratio 3:1.5:1 mixed
Close object.
The promotor is by N- cyclohexyl -2-[4-morpholinodithio sulfenamide, tetramethyl disulfide thiuram and diphenylguanidine
The mixture formed with weight ratio 1:2:1.
The mixing that the activating agent is made of magnesia, calcium hydroxide and dibutyl oleic acid amine with weight ratio 1:1.8:1
Object.
The bridging agent is caprolactam enclosed type aromatic polyisocyanate.
The mixture that the acid absorbent is made of hydrotalcite and 4A zeolite with weight ratio 3:1.
The mixture that the dispersing agent is made of oleamide and polyethylene glycol with weight ratio 1.5:1.
The mixture that the processing aid is made of calcium stearate, magnesium stearate and stearic acid with weight ratio 1:1:2.
Embodiment 4
The present embodiment and above-described embodiment 1 the difference is that: the chemical component of the aluminium core includes following weight percent
Element: Cu:1.75%, Mg:2.35%, Mn:0.55%, Fe:0.20%, Si:0.20%, surplus be Al and inevitable impurity,
Impurity is single≤and 0.05%, total amount≤0.15%；
The aluminium core further includes Ca:1.2%, Cr:0.2% and Zn:0.05%.
The aluminium core further includes Li:0.35%, Zr:0.03% and V:0.02%.
The aluminium core further includes Ti:0.25%, B:0.05% and Sr:0.02%.
The aluminium core further includes mischmetal Re:0.12%, and the Re is by La, Ce, Pr, Nd, Pm and Sm with mass ratio
3.5:2.5:0.7:2.2:1.1:1 the mixture of composition.
The ECO ionic conduction rubber layer is made of the raw material of following parts by weight:
75 parts of chlorohydrin rubber
4 parts of ionic conductive agent
9 parts of promotor
7 parts of activating agent
2.5 parts of bridging agent
1.8 parts of acid absorbent
1.8 parts of dispersing agent
4.5 parts of processing aid.
The chlorohydrin rubber is as epoxychloropropane and ethylene oxide with copolymer made from molar ratio 1.1:1.
The ionic conductive agent is made of cobalt acid lithium, nickel ion doped and nickle cobalt lithium manganate with weight ratio 3.5:1.8:1
Mixture.
The promotor is by N- cyclohexyl -2-[4-morpholinodithio sulfenamide, tetramethyl disulfide thiuram and diphenylguanidine
The mixture formed with weight ratio 1.2:2.2:1.
The mixing that the activating agent is made of magnesia, calcium hydroxide and dibutyl oleic acid amine with weight ratio 1.1:2:1
Object.
The bridging agent is caprolactam enclosed type aromatic polyisocyanate.
The mixture that the acid absorbent is made of hydrotalcite and 4A zeolite with weight ratio 3.5:1.
The mixture that the dispersing agent is made of oleamide and polyethylene glycol with weight ratio 1.8:1.
The mixing that the processing aid is made of calcium stearate, magnesium stearate and stearic acid with weight ratio 1:1.2:2.2
Object.
Embodiment 5
The present embodiment and above-described embodiment 1 the difference is that: the chemical component of the aluminium core includes following weight percent
Element: Cu:1.80%, Mg:2.30%, Mn:0.60%, Fe:0.10%, Si:0.10%, surplus be Al and inevitably it is miscellaneous
Matter, impurity is single≤and 0.05%, total amount≤0.15%；
The aluminium core further includes Ca:1.5%, Cr:0.15% and Zn:0.04%.
The aluminium core further includes Li:0.4%, Zr:0.02% and V:0.01%.
The aluminium core further includes Ti:0.3%, B:0.04% and Sr:0.01%.
The aluminium core further includes mischmetal Re:0.15%, and the Re is by La, Ce, Pr, Nd, Pm and Sm with mass ratio 4:
3:0.8:2.5:1.2:1 the mixture of composition.
The ECO ionic conduction rubber layer is made of the raw material of following parts by weight:
80 parts of chlorohydrin rubber
5 parts of ionic conductive agent
10 parts of promotor
8 parts of activating agent
3 parts of bridging agent
2 parts of acid absorbent
2 parts of dispersing agent
5 parts of processing aid.
The chlorohydrin rubber is as epoxychloropropane and ethylene oxide with copolymer made from molar ratio 1.2:1.
The mixing that the ionic conductive agent is made of cobalt acid lithium, nickel ion doped and nickle cobalt lithium manganate with weight ratio 4:2:1
Object.
The promotor is by N- cyclohexyl -2-[4-morpholinodithio sulfenamide, tetramethyl disulfide thiuram and diphenylguanidine
The mixture formed with weight ratio 1.5:2.5:1.
The activating agent is made of magnesia, calcium hydroxide and dibutyl oleic acid amine with weight ratio 1.2:2.4:1 mixed
Close object.
The bridging agent is caprolactam enclosed type aromatic polyisocyanate.
The mixture that the acid absorbent is made of hydrotalcite and 4A zeolite with weight ratio 4:1.
The mixture that the dispersing agent is made of oleamide and polyethylene glycol with weight ratio 2:1.
The mixing that the processing aid is made of calcium stearate, magnesium stearate and stearic acid with weight ratio 1:1.5:2.5
Object.
After tested, charging roller aluminium core room temperature tensile intensity of the invention is greater than 435MPa, and yield strength is greater than 390MPa, prolongs
Rate is stretched greater than 15%, and conductivity can achieve 42%IACS, have excellent electric conductivity, thermal conductivity and corrosion resistance, and density
Low, intensity is high, and plasticity is good, is easily worked.
Charging roller hardness of the invention can achieve 85-95, and resistance is 0.8-1.2M Ω, and resistance value is constant, pin-free existing
As, the not random property of high temperature and humidity is good, without precipitate, without point discharge phenomenon, pollution-free to drum core, printing is clear from original text, blackness is equal
It is even, without bottom ash, without ghost, wear-resisting property is good, and abrasion resistance test can achieve up to ten thousand time, long service life.
Above-described embodiment is the preferable implementation of the present invention, and in addition to this, the present invention can be realized with other way,
Do not depart under the premise of present inventive concept it is any obviously replace it is within the scope of the present invention.
Claims (10)
1. a kind of ECO ionic conduction type charging roller, including roll shaft, the foaming conductive sponge layer, the Yi Jitao that are sheathed on the outside of roll shaft
ECO ionic conduction rubber layer on the outside of foaming conductive sponge layer；It is characterized by: the roll shaft is aluminium core, the aluminium core
Chemical component include following weight percent element: Cu:1.60%-1.80%, Mg:2.30%-2.50%, Mn:0.40%-
0.60%, Fe≤0.50%, Si≤0.50%, surplus are Al and inevitable impurity, impurity is single≤and 0.05%, total amount≤
0.15%；
The ECO ionic conduction rubber layer is made of the raw material of following parts by weight:
60-80 parts of chlorohydrin rubber
2-5 parts of ionic conductive agent
6-10 parts of promotor
4-8 parts of activating agent
1-3 parts of bridging agent
1-2 parts of acid absorbent
1-2 parts of dispersing agent
3-5 parts of processing aid.
2. a kind of ECO ionic conduction type charging roller according to claim 1, it is characterised in that: the aluminium core chemistry at
Divide and meet following formula:
5.6%≤2Cu+Mg≤6.0% ... (1)
1.2%≤2Mn+Fe+Si≤2.0% ... (2).
3. a kind of ECO ionic conduction type charging roller according to claim 1, it is characterised in that: the aluminium core further includes Ca:
0.5%-1.5%, Cr:0.15%-0.35% and Zn:0.04%-0.08%.
4. a kind of ECO ionic conduction type charging roller according to claim 3, it is characterised in that: the aluminium core chemistry at
Divide and also meet following formula:
2.2%≤Ca+4Cr+15Zn≤3.6% ... (3).
5. a kind of ECO ionic conduction type charging roller according to claim 3, it is characterised in that: the aluminium core further includes Li:
0.2%-0.4%, Zr:0.02%-0.06% and V:0.01%-0.05%.
6. a kind of ECO ionic conduction type charging roller according to claim 5, it is characterised in that: the aluminium core chemistry at
Divide and also meet following formula:
0.8%≤Li+15Zr+10V≤1.6% ... (4).
7. a kind of ECO ionic conduction type charging roller according to claim 5, it is characterised in that: the aluminium core further includes Ti:
0.1%-0.3%, B:0.04%-0.08% and Sr:0.01%-0.05%.
8. a kind of ECO ionic conduction type charging roller according to claim 7, it is characterised in that: the aluminium core chemistry at
Divide and also meet following formula:
0.6%≤Ti+5B+10Sr≤1.0% ... (5).
9. a kind of ECO ionic conduction type charging roller according to claim 1, it is characterised in that: the aluminium core further includes mixing
Rare earth Re:0.05%-0.15% is closed, the Re is by La, Ce, Pr, Nd, Pm and Sm with mass ratio 2-4:1-3:0.4-0.8:1.5-
2.5:0.8-1.2:1 the mixture of composition.
10. such as a kind of described in any item preparation methods of ECO ionic conduction type charging roller of claim 1-9, it is characterised in that:
Include the following steps:
(1) preparation of roll shaft: aluminium alloy cast ingot is made in aluminium alloy stock, aluminium alloy cast ingot carries out homogenizing annealing again, uniformly
Aluminium alloy cast ingot is shaped to squeeze wood again after annealing, squeeze wood carries out ageing treatment, obtains roll shaft after ageing treatment；
(2) it cuts: by required charging roller size, cutting foaming conductive sponge layer to required size；
(3) it covers cotton: the foaming conductive sponge for having cut size is covered on roll shaft；
(4) it polishes: the charging roller for packaging foaming conductive sponge is polishing to required size；
(5) preparation of ECO ionic conduction rubber layer: raw material needed for weighing ECO ionic conduction rubber layer by weight ratio, through mixed
Material, granulation and extrusion molding, are made ECO ionic conduction rubber layer；
(6) casing: ECO ionic conduction rubber layer is covered in the outside of foaming conductive sponge, and ECO ionic conduction type sponge is made and fills
Electric roller.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113088764A (en) * | 2021-03-04 | 2021-07-09 | 中铝材料应用研究院有限公司 | Aluminum alloy plate strip for lithium battery cover plate and preparation method thereof |
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| JPH1090971A (en) * | 1996-09-18 | 1998-04-10 | Bando Chem Ind Ltd | Charging member |
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| CN113088764A (en) * | 2021-03-04 | 2021-07-09 | 中铝材料应用研究院有限公司 | Aluminum alloy plate strip for lithium battery cover plate and preparation method thereof |
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| CN109709781B (en) | 2021-07-30 |
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