CN105093869A - Modified blueprint engineering machine carbon powder and modification method for defect blueprint engineering machine carbon powder - Google Patents
Modified blueprint engineering machine carbon powder and modification method for defect blueprint engineering machine carbon powder Download PDFInfo
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Abstract
The invention relates to a modified blueprint engineering machine carbon powder and a modification method for a defect blueprint engineering machine carbon powder. The modified blueprint engineering machine carbon powder provided by the invention comprises 100 parts of defect blueprint engineering machine carbon powder by weight and also comprises 0.1-1.5 parts of small-grain silicon dioxide by weight, wherein the defect blueprint engineering machine carbon powder is used for compatible carbon powder of a blueprint engineering machine, the grain size of the small-grain silicon dioxide is more than 5 nanometers and less than 10 nanometers, the small-grain silicon dioxide is provided with negative electricity, the carried charge is 400 micro coulombs per gram to 800 micro coulombs per gram, and the small-grain silicon dioxide is subjected to surface modification treatment through polydimethysiloxane or hexmethyldisilazane. The modification method for the defect blueprint engineering machine carbon powder mainly comprises the steps of addition, mixing and sieving. When the technical scheme disclosed by the invention is adopted, the problem of long powder supply time of the traditional defect blueprint engineering machine carbon powder is improved.
Description
Technical field
The present invention relates to printing consumables field, especially relate to a kind of blueprint engineering machine carbon dust of improvement and the modification method of defect blueprint engineering machine carbon dust.
Background technology
Blueprint drawing is applied quite extensive in the R & D design work in the fields such as machinery, building, and blueprint drawing is deposited in process archives, has the advantage of holding time length, and drawing can be avoided to suffer illegal modifications.
Traditional blueprint manufacturing process first prints black sulfuric acid figure with engineering machine, then shines blueprint processed with blue-printing machine.The method not only efficiency is low, and cost is high, simultaneously because using ammoniacal liquor when shining blueprint processed, polluting the environment, endangering operator's health.The link of publishing picture of the manufacturing process of tradition blueprint is many, easily causes the human and material resources wasting of resources, easily causes loss of data simultaneously.In addition, heliographic paper and the consumptive material shelf-life shorter, be easy to produce and directly scrap and cause cost to increase.Tradition blue-printing machine needs high-power air discharging facility, and exhaust blower, pipeline are not easily installed, and takies working space large, and needs separate space to operate.
In recent years, bring into use blueprint engineering machine directly to print the mode of engineering blueprint, this mode is more convenient to use, quick.Such as model is the engineering machine of OCE320, OCE450 and the OCE750 in manufacturer west difficult to understand, can be used for the printer paper of A0 to A4 and other type, thus is directly printed by design drawing.
In order to reduce use cost, the engineering machine of this several types often adopts compatible carbon dust to carry out print job, but, the compatible carbon dust that this few money OCE engineering machine in current Chinese market uses in use there will be problem that is not enough for powder or benefit powder overlong time, like this will appreciable impact print speed, reduce work efficiency.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of blueprint engineering machine carbon dust improving compatible carbon dust in-problem improvement when printing of blueprint engineering machine.
Another object of the present invention is to provide a kind of method of modifying obtaining the blueprint engineering machine carbon dust of above-mentioned improvement.
The blueprint engineering machine carbon dust of improvement provided by the invention, by weight, comprise: 100 parts of defect blueprint engineering machine carbon dusts, defect blueprint engineering machine carbon dust is the compatible carbon dust for blueprint engineering machine, the blueprint engineering machine carbon dust of improvement also comprises the small particle-size silica of 0.1 part to 1.5 parts, the particle diameter of small particle-size silica is greater than 5 nanometers and is less than 10 nanometers, electronegative and the carried charge of small particle-size silica be 400 microcoulomb every gram (μ C/g) to 800 microcoulomb every gram, small particle-size silica is through dimethyl silicone polymer or hexamethyldisilazane surface modification treatment.
From such scheme, the problem long for the powder time of existing defect blueprint engineering machine carbon dust improves.
A preferred scheme is, the blueprint engineering machine carbon dust of improvement also comprises the Large stone silicon dioxide of 0.1 part to 1.5 parts, the particle diameter of Large stone silicon dioxide is greater than 10 nanometers and is less than 150 nanometers, electronegative and the carried charge of Large stone silicon dioxide be 100 microcoulomb every gram to 500 microcoulomb every gram, Large stone silicon dioxide is through dimethyl silicone polymer or hexamethyldisilazane surface modification treatment.
From such scheme, the problem long for the powder time is further improved, and can complete normal print job, and the carried charge of the carbon dust of improvement and mobility are all improved.
A preferred scheme is, defect blueprint engineering machine carbon dust is the compatible carbon dust on OCE320 blueprint engineering machine, and defect blueprint engineering machine carbon dust is 99.6 parts, and small particle-size silica is 0.4 part.
From such scheme, defect blueprint engineering machine carbon dust occurs supplying powder problem for a long time after test 5 meters, maximum duration is 5 minutes, again occur after printing 2 meters to 4 meters afterwards mending powder phenomenon, can continue after 15 minutes to print, Q/M and Coe(% of defect blueprint engineering machine carbon dust) be respectively 39.3 and 11.01.And the blueprint engineering machine carbon dust of improvement is when testing, just occur after 20 minutes mending powder phenomenon, mending powder process is 3 minutes, machine continuous firing occurs again after 10 minutes mending powder phenomenon, time is 5 minutes, occurs mending powder 6 times in 150 meters, and mending powder process is 3 minutes to 5 minutes, lasting printing gap is 10 meters to 20 meters, Q/M and Coe(% of the blueprint engineering machine carbon dust of improvement) be respectively 41.2 and 8.33.The performance of the blueprint engineering machine carbon dust after this illustrates improvement obtains certain improvement.
A preferred scheme is, the blueprint engineering machine carbon dust of improvement is by following component proportioning: the blueprint engineering machine carbon dust of 99.5 parts of first time improvement, 0.3 part of small particle-size silica, 0.2 part of Large stone silicon dioxide; The blueprint engineering machine carbon dust of first time improvement is by following component proportioning: the defect blueprint engineering machine carbon dust of 99.6 parts and the small particle-size silica of 0.4 part, and defect blueprint engineering machine carbon dust is the compatible carbon dust on OCE320 blueprint engineering machine; The particle diameter of Large stone silicon dioxide is greater than 10 nanometers and is less than 150 nanometers, electronegative and the carried charge of Large stone silicon dioxide be 100 microcoulomb every gram to 500 microcoulomb every gram, Large stone silicon dioxide is through dimethyl silicone polymer or hexamethyldisilazane surface modification treatment.
From such scheme, the blueprint engineering machine carbon dust of improvement, through test, just occurs after 75 meters that powder mended by machine, mends powder process 3 minutes, and occur again after machine continuous firing 60 meters mending powder phenomenon, the time is 2 minutes.Mend powder process in testing 200 meters and occur 3 times, the time is 1 minute to 3 minutes, Q/M and Coe(% of the blueprint engineering machine carbon dust of improvement) be respectively 43.2 and 3.5.Visible, compared to the blueprint engineering machine carbon dust of first time improvement, the blueprint engineering machine carbon dust of second time improvement has further improvement result.
A preferred scheme is, the blueprint engineering machine carbon dust of improvement also comprises the cerium oxide of 0.1 part to 0.5 part and the strontium titanates of 0.1 part to 1.0 parts; The particle diameter of cerium oxide is 0.5 micron to 2 microns, and the particle diameter of strontium titanates is 100 nanometer to 500 nanometers.
Preferred scheme is that defect blueprint engineering machine carbon dust is the compatible carbon dust on OCE450 blueprint engineering machine, and defect blueprint engineering machine carbon dust is 99.3 parts, and small particle-size silica is 0.5 part, and cerium oxide is 0.06 part, and strontium titanates is 0.14 part further.
From such scheme, after defect blueprint engineering machine carbon dust tests 500 meters on OCE450 machine, printer starts to occur long-time problem of supplementing for powder, and maximum duration is 25 minutes, occurs again that powder phenomenon mended by machine after mending powder after printing 1 A0 paper.After taking the developing apparatus of machine apart, discovery there is a large amount of carbon dust to pile up for powder inlet place, the left side, powder storehouse, powder feeding roller (magnetic) has the blue carbon powder be much wrapped in.Observe powder storehouse internal operation state, the screw rod normal operation of powder feeding after starting power supply, just carbon dust transports less and spreads to both sides.When machine is in normal state, normal for the powder feeding roller of powder only having half wrap up carbon dust, the left side does not have carbon dust to pile up yet.The blueprint engineering machine carbon dust of improvement is after test, and only occurring mending powder twice in 200 meters, is 1.8 minutes for the powder process average time, after opening machine developing chamber, observe the left side, powder storehouse accumulated powder little, powder feeding roller only has half to have powder to wrap up, and visible carbon dust obtains obvious improvement.
The method of modifying of defect blueprint engineering machine carbon dust provided by the invention, comprise the following steps: first perform and add step: by weight, the defect blueprint engineering machine carbon dust of 100 parts and the small particle-size silica of 0.1 part to 1.5 parts are joined in the mixing apparatus of adjustable speed; Then perform blend step: mix 1 minute to 2 minutes with the speed of 12 hertz to 18 hertz, then mix 1 minute to 2 minutes again with the speed of 50 hertz; Then perform sifting step: with 180 order to 250 object sieve, obtain the blueprint engineering machine carbon dust improved; Defect blueprint engineering machine carbon dust is the compatible carbon dust for blueprint engineering machine; The particle diameter of small particle-size silica is greater than 5 nanometers and is less than 10 nanometers, electronegative and the carried charge of small particle-size silica be 400 microcoulomb every gram to 800 microcoulomb every gram, small particle-size silica is through dimethyl silicone polymer or hexamethyldisilazane surface modification treatment.
From such scheme, according to the step provided, the blueprint engineering machine carbon dust improved can be obtained above.
A preferred scheme is, add in step in execution, the Large stone silicon dioxide of 0.1 part to 1.5 parts is also added in mixing apparatus, the particle diameter of Large stone silicon dioxide is greater than 10 nanometers and is less than 150 nanometers, electronegative and the carried charge of Large stone silicon dioxide be 100 microcoulomb every gram to 500 microcoulomb every gram, Large stone silicon dioxide is through dimethyl silicone polymer or hexamethyldisilazane surface modification treatment.
A preferred scheme is, when execution adds step: also the strontium titanates of the cerium oxide of 0.1 part to 0.5 part and 0.1 part to 1.0 parts is joined in the mixing apparatus of adjustable speed;
The particle diameter of cerium oxide is 0.5 micron to 2 microns, and the particle diameter of strontium titanates is 100 nanometer to 500 nanometers.
A preferred scheme is, execution blend step in, the humidity in environment be less than 70% and temperature not higher than 28 DEG C.
From such scheme, can ensure the quality of carbon dust, the restriction of temperature can prevent carbon dust from luming, and the restriction of humidity can prevent carbon dust from making moist and avoid occurring when printing the phenomenon that look shallow.
Embodiment
The blueprint engineering machine carbon dust of improvement provided by the invention, comprise by weight: 100 parts of defect blueprint engineering machine carbon dusts, defect blueprint engineering machine carbon dust is such as OCE300 for model, the compatible carbon dust of the blueprint engineering machine of OCE450 and OCE750, the blueprint engineering machine carbon dust of improvement also comprises the small particle-size silica of 0.1 part to 1.5 parts, the particle diameter of small particle-size silica is greater than 5 nanometers and is less than 10 nanometers, small particle-size silica is electronegative and carried charge is that 400 microcoulomb every gram is to 800 microcoulomb every gram, small particle-size silica is through dimethyl silicone polymer (PDMS) or hexamethyldisilazane (HMDZ) surface modification treatment.In preferred scheme, the blueprint engineering machine carbon dust of improvement also comprises the Large stone silicon dioxide of 0.1 part to 1.5 parts, the particle diameter of Large stone silicon dioxide is greater than 10 nanometers and is less than 150 nanometers, electronegative and the carried charge of Large stone silicon dioxide be 100 microcoulomb every gram to 500 microcoulomb every gram, Large stone silicon dioxide is through dimethyl silicone polymer or hexamethyldisilazane surface modification treatment.In another preferred scheme, the blueprint engineering machine carbon dust of improvement also comprises the cerium oxide of 0.1 part to 0.5 part and the strontium titanates of 0.1 part to 1.0 parts.
The method of modifying of defect blueprint engineering machine carbon dust provided by the invention comprises the following steps: first perform and add step: by weight, the defect blueprint engineering machine carbon dust of 100 parts and the small particle-size silica of 0.1 part to 1.5 parts are joined in the mixing apparatus of adjustable speed.Then perform blend step: mix 1 minute to 2 minutes with the speed of 12 hertz to 18 hertz, the process of mixed on low speed can repeat twice, 20 seconds to 120 seconds, interval between twice.Then mix 1 minute to 2 minutes again with the speed of 50 hertz, the process of mixed at high speed can repeat twice, 20 seconds to 120 seconds, interval between twice.Then perform sifting step: with 180 order to 250 object sieve, obtain the blueprint engineering machine carbon dust improved.
First embodiment:
After the compatible carbon dust of blue PW750 tests 5 meters on the old engineering printer device of OCE320 there is long-time problem of supplementing for powder in printer, and maximum duration is 5 minutes.Mend after powder completes and occur again that the problem of powder mended by machine after printing 2 meters to 4 meters, the length of printable several meters again after 15 minutes.According to above-mentioned test case, analyzing main cause is the impact that carbon dust individual particles carried charge and mobility cause, and therefore needs the carried charge and the mobility that suitably change compatible carbon dust.
The process that first time improves is as follows.First perform and add step: obtain the compatible carbon dust 99.6 parts of above-mentioned defect blueprint engineering machine, be put in mixer with small particle-size silica 0.4 part of two kinds of material.
Then perform blend step, after low speed (12 hertz) mixes 1.5 minutes, (50 hertz) mix 2 minutes at a high speed again, and wherein, the humidity of the environment of mixing is less than 70%, and environment temperature is not higher than 28 degrees Celsius.
Then perform sifting step: mixed powder 200 mesh sieve sieved, obtain the blueprint engineering machine carbon dust (finished product A) of first time improvement.
Finished product A is carried out printing test on same engineering machine, and just occur after 20 meters that the problem of powder mended by machine, the process of mending powder is 3 minutes.Machine then occurs again mending powder phenomenon after continuous firing 10 meters, and the time is 5 minutes, occurs mending powder 6 times in 150 meters, and mending powder process is 3 minutes to 5 minutes, and lasting printing gap is 10 meters to 20 meters.This illustrates that the blueprint engineering machine carbon dust of improvement for the first time improves than the defect blueprint engineering machine carbon dust performance before modification, but the benefit powder time is still longer, remains to be further improved.Following table presents defect blueprint engineering machine carbon dust (defect carbon dust) and the carried charge (microcoulomb every gram, μ C/g) of finished product A and the comparing result of mobility parameter (Coe).
Wherein: Q/M is carried charge, unit microcoulomb every gram (μ C/g) represents;
COE: i.e. a kind of method for expressing of mobility, after referring to the work of specialized equipment unit interval, stays the number percent of carbon dust amount on screen cloth.Number percent is less, and mobility is better.
The method of testing of COE: special testing tool has the screen cloth that three density is different, 100 orders, 200 orders, 300 orders from top to bottom respectively, 20g carbon dust is put on 100 eye mesh screens of the top, screen cloth fixes rear startup instrument, after one minute, there is carbon dust weight more than respectively on each screen cloth of pound weight, go out COE by formulae discovery below.
Formula: COE=(A1/20*100%+A2/20*60%+A3/20*20%) * 100%;
A1 is the remaining weight of carbon dust to be measured at survey mobility instrument 100 eye mesh screen, unit: g;
A2 is that carbon dust to be measured is in the remaining weight surveying mobility instrument 200 eye mesh screen; Unit: g;
A3 is that carbon dust to be measured is in the remaining weight surveying mobility instrument 300 eye mesh screen; Unit: g.
The process of second time improvement is as follows.First perform and add step: the blueprint engineering machine carbon dust (finished product A) 99.5 parts obtaining the improvement of above-mentioned first time, small particle-size silica 0.3 part and Large stone silicon dioxide are 0.2 part, and three kinds of materials are put in mixer.
Then perform blend step, after low speed (12 hertz) mixes 1.5 minutes, (50 hertz) mix 2 minutes at a high speed again, and wherein, the humidity of the environment of mixing is less than 70%, and environment temperature is not higher than 28 degrees Celsius.
Then sifting step is performed: sieved by 200 mesh sieve by the carbon dust after mixed, obtain the blueprint engineering machine carbon dust (finished product B) of second time improvement.
The blueprint engineering machine carbon dust (finished product B) above-mentioned second time improved is through test, and just occur after 75 meters that the phenomenon of powder mended by machine, mending powder process is 3 minutes, and occur again after machine continuous firing 60 meters mending powder phenomenon, the time is 2 minutes.Benefit powder process in 200 meters only occurs 3 times, and the time is 1 minute to 3 minutes.Following table presents the carried charge of finished product A and finished product B and the comparing result of mobility parameter.
| Finished product A | Finished product B | |
| Q/M（μ/g) | 41.2 | 43.2 |
| Coe（%） | 8.33 | 3.5 |
Second embodiment:
After blue compatible carbon dust tests 500 meters in OCE450 engineering printer, printer starts to occur long-time problem of supplementing for powder, and maximum duration is 25 minutes.Occur that again the phenomenon of powder mended by machine after mending the complete printing afterwards of powder 1 A0 paper.After taking machine developing chamber apart, discovery there is a large amount of carbon dust to pile up for powder inlet place, the left side, powder storehouse, powder feeding roller (magnetic) has wrapped up a lot of blue carbon powder.Observe the running status of inside, powder storehouse after starting power supply, find the screw rod normal operation of powder feeding, but carbon dust freight volume is less, and spreads to both sides.And when machine under normal operating conditions time, powder feeding roller approximately only has half be wrapped in carbon dust, the left side does not then have carbon dust to pile up.
The process of modification method is as follows.First perform and add step: obtain above-mentioned defect blueprint engineering machine carbon dust 99.3 parts, small particle-size silica 0.5 part, cerium oxide 0.06 part, strontium titanates 0.14 part, these four kinds of materials are put in mixer.Wherein, the particle diameter of cerium oxide is 0.5 micron to 2 microns, and the particle diameter of strontium titanates is 100 nanometer to 500 nanometers.
Then perform blend step, after low speed (12 hertz) mixes 1.5 minutes, (50 hertz) mix 2 minutes at a high speed again, and wherein, the humidity of the environment of mixing is less than 70%, and environment temperature is not higher than 28 degrees Celsius.
Then perform sifting step: mixed carbon dust 200 mesh sieve sieved, obtain the blueprint engineering machine carbon dust (finished product C) improved.
Be placed on by finished product C on OCE450 engineering machine and carry out printing test, only occurring mending powder twice in 200 meters, is 1.8 minutes for the powder process average time.After opening the developing chamber of machine, the accumulated powder observing the left side, powder storehouse is little, and powder feeding roller only has half to have powder to wrap up.
Claims (10)
1. the blueprint engineering machine carbon dust of improvement, by weight, comprising:
100 parts of defect blueprint engineering machine carbon dusts, described defect blueprint engineering machine carbon dust is the compatible carbon dust for blueprint engineering machine, it is characterized in that:
The blueprint engineering machine carbon dust of described improvement also comprises the small particle-size silica of 0.1 part to 1.5 parts, the particle diameter of described small particle-size silica is greater than 5 nanometers and is less than 10 nanometers, electronegative and the carried charge of described small particle-size silica be 400 microcoulomb every gram to 800 microcoulomb every gram, described small particle-size silica is through dimethyl silicone polymer or hexamethyldisilazane surface modification treatment.
2. the blueprint engineering machine carbon dust of improvement according to claim 1, is characterized in that:
The blueprint engineering machine carbon dust of described improvement also comprises the Large stone silicon dioxide of 0.1 part to 1.5 parts, the particle diameter of described Large stone silicon dioxide is greater than 10 nanometers and is less than 150 nanometers, electronegative and the carried charge of described Large stone silicon dioxide be 100 microcoulomb every gram to 500 microcoulomb every gram, described Large stone silicon dioxide is through dimethyl silicone polymer or hexamethyldisilazane surface modification treatment.
3. the blueprint engineering machine carbon dust of improvement according to claim 1, is characterized in that:
Described defect blueprint engineering machine carbon dust is the compatible carbon dust on OCE320 blueprint engineering machine, and described defect blueprint engineering machine carbon dust is 99.6 parts, and described small particle-size silica is 0.4 part.
4. the blueprint engineering machine carbon dust of improvement according to claim 1, is characterized in that:
The blueprint engineering machine carbon dust of described improvement is by following component proportioning: the blueprint engineering machine carbon dust of 99.5 parts of first time improvement, 0.3 part of described small particle-size silica, 0.2 part of Large stone silicon dioxide;
The blueprint engineering machine carbon dust of described first time improvement is by following component proportioning: the defect blueprint engineering machine carbon dust of 99.6 parts and the described small particle-size silica of 0.4 part, and described defect blueprint engineering machine carbon dust is the compatible carbon dust on OCE320 blueprint engineering machine;
The particle diameter of described Large stone silicon dioxide is greater than 10 nanometers and is less than 150 nanometers, electronegative and the carried charge of described Large stone silicon dioxide be 100 microcoulomb every gram to 500 microcoulomb every gram, described Large stone silicon dioxide is through dimethyl silicone polymer or hexamethyldisilazane surface modification treatment.
5. the blueprint engineering machine carbon dust of improvement according to claim 1, is characterized in that:
The blueprint engineering machine carbon dust of described improvement also comprises the cerium oxide of 0.1 part to 0.5 part and the strontium titanates of 0.1 part to 1.0 parts;
The particle diameter of described cerium oxide is 0.5 micron to 2 microns, and the particle diameter of described strontium titanates is 100 nanometer to 500 nanometers.
6. the blueprint engineering machine carbon dust of improvement according to claim 5, is characterized in that:
Described defect blueprint engineering machine carbon dust is the compatible carbon dust on OCE450 blueprint engineering machine, and described defect blueprint engineering machine carbon dust is 99.3 parts, and described small particle-size silica is 0.5 part, and described cerium oxide is 0.06 part, and described strontium titanates is 0.14 part.
7. the method for modifying of defect blueprint engineering machine carbon dust, comprises the following steps:
First perform and add step: by weight, the defect blueprint engineering machine carbon dust of 100 parts and the small particle-size silica of 0.1 part to 1.5 parts are joined in the mixing apparatus of adjustable speed;
Then perform blend step: mix 1 minute to 2 minutes with the speed of 12 hertz to 18 hertz, then mix 1 minute to 2 minutes again with the speed of 50 hertz;
Then perform sifting step: with 180 order to 250 object sieve, obtain the blueprint engineering machine carbon dust improved;
Described defect blueprint engineering machine carbon dust is the compatible carbon dust for blueprint engineering machine; The particle diameter of described small particle-size silica is greater than 5 nanometers and is less than 10 nanometers, electronegative and the carried charge of described small particle-size silica be 400 microcoulomb every gram to 800 microcoulomb every gram, described small particle-size silica is through dimethyl silicone polymer or hexamethyldisilazane surface modification treatment.
8. the method for modifying of defect blueprint engineering machine carbon dust according to claim 7, is characterized in that:
Add in step described in execution, the Large stone silicon dioxide of 0.1 part to 1.5 parts is also added in mixing apparatus, the particle diameter of described Large stone silicon dioxide is greater than 10 nanometers and is less than 150 nanometers, electronegative and the carried charge of described Large stone silicon dioxide be 100 microcoulomb every gram to 500 microcoulomb every gram, described Large stone silicon dioxide is through dimethyl silicone polymer or hexamethyldisilazane surface modification treatment.
9. the method for modifying of defect blueprint engineering machine carbon dust according to claim 7, is characterized in that:
When adding step described in performing: also the strontium titanates of the cerium oxide of 0.1 part to 0.5 part and 0.1 part to 1.0 parts is joined in the mixing apparatus of adjustable speed;
The particle diameter of described cerium oxide is 0.5 micron to 2 microns, and the particle diameter of described strontium titanates is 100 nanometer to 500 nanometers.
10. the method for modifying of the defect blueprint engineering machine carbon dust according to any one of claim 7 to 9, is characterized in that:
Execution described blend step in, the humidity in environment be less than 70% and temperature not higher than 28 DEG C.
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Application publication date: 20151125 |