CN107722542A - Reduce the engineering plastics of infrared signature reduction - Google Patents
Reduce the engineering plastics of infrared signature reduction Download PDFInfo
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- CN107722542A CN107722542A CN201710911228.XA CN201710911228A CN107722542A CN 107722542 A CN107722542 A CN 107722542A CN 201710911228 A CN201710911228 A CN 201710911228A CN 107722542 A CN107722542 A CN 107722542A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/28—Nitrogen-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
Abstract
The invention discloses a kind of engineering plastics for reducing infrared signature reduction, including following raw materials：ABS resin, carbon black, inorganic assistant, γ AlON ceramic powders, modified pearl rock, zinc naphthenate.The present invention reduces the engineering plastics of infrared signature reduction, and mechanical property is good, can effectively reduce the decay of infrared signal while visible ray shield, and service life is grown, available for manufacturing television set.
Description
Technical field
The present invention relates to a kind of engineering plastics for reducing infrared signature reduction, belong to field of material technology.
Background technology
At present, the increase of small portable apparatus species and the appearance of multifunctional electric appliance, it is expected that it possesses corresponding demand
Function increase.For equipment such as air-conditioning, fan, warm-air drier, humidifier, TV, DVD, set top box, vehicle-mounted mobile DVD, hard disk
The household appliances such as player, Multimedia Combination sound equipment, DPF, mobile phone, computer and perimeter equipment, sensing sanitary appliance, instrument are distant
The fields such as toy, Communication Equipment, photographic equipment, Electronic Finance, automotive electronics, lamp ornaments lighting are controlled, generally pass through infrared ray electromagnetism
Ripple loads digital information, the information transmission between equipment is completed, so as to complete the control of certain distance.Infrared remote control extensively should
In the household electrical appliance or electronic equipment commonly used for TV, set top box, infrared 3D glasses etc..On these home appliances, generally
Infrared remote control is installed and receives window covering outside infrared remote receiver, the infrared signal that remote control is sent can pass through infrared distant
Control receives window and received by infrared remote receiver.
The extensive use of infrared remote control, material requirements to remote control reception window also more and more higher.It is required that remote control reception performance
Good, infrared signature reduction is few.If the remote control performance of television set is poor, especially in reception signal, remote control performance difference can cause to see
Examining image has shake or discontinuous, has directly influenced viewing effect.Therefore it is badly in need of a kind of reduction infrared signature reduction of invention
Engineering plastics, when it is applied to television set, infrared signature reduction is few, and remote control performance is good.
The content of the invention
Problem to be solved by this invention is to provide a kind of engineering plastics for reducing infrared signature reduction, and obtained reduction is red
The mechanical property of the engineering plastics of external signal decay is good, can effectively reduce the decay of infrared signal.
The invention provides a kind of engineering plastics for reducing infrared signature reduction, the engineering for reducing infrared signature reduction
Plastics include following raw materials：ABS resin, carbon black, inorganic assistant, γ-AlON ceramic powders, modified pearl rock, zinc naphthenate.
It is preferred that the engineering plastics for reducing infrared signature reduction include the raw material of following weight parts：ABS resin 80-
85 parts, carbon black 1-5 parts, inorganic assistant 1-5 parts, γ-AlON ceramic powders 2-6 parts, modified pearl rock 4-8 parts, zinc naphthenate 1-3
Part.
In the present invention, the inorganic assistant is GaAs and/or barium chromate.
It is preferred that the inorganic assistant is the mixture of GaAs and barium chromate, wherein the GaAs and barium chromate
Mass ratio is (2-5)：1.
The preparation method of the γ-AlON ceramic powders comprises the following steps：
(1) thick γ-AlON ceramic powders are prepared；
(2) carbon is removed；
(3) ball milling.
The preparation method of the γ-AlON ceramic powders comprises the following steps：
(1) thick γ-AlON ceramic powders are prepared；
(2) carbon is removed；
(3) ball milling；
(4) it is surface-treated.
The preparation method of the γ-AlON ceramic powders comprises the following steps：
(1) thick γ-AlON ceramic powders are prepared：By AlN and γ-Al2O3(2-6) in molar ratio：10 are prepared and are mixed
Compound, using ethanol as medium, mixture is put into agate jar, wherein mixture, ethanol, the mass ratio of agate ball are 1：
(3-6)：(8-12), agate bulb diameter 3mm, by tank body on planetary ball mill with 200-400 revs/min of ball milling 18-24 hour,
By resulting slurry with 300 mesh filter-cloth filterings, filtrate is obtained；After filtrate is placed in into 75-85 DEG C of drying box drying 8-12 hour,
It is placed in graphite carbon shirt-circuiting furnace, 1-3 hours is incubated in 1600 DEG C of -1800 DEG C of nitrogen atmospheres, nitrogen pressure 1atm, heating rate 20
DEG C/min, obtain thick γ-AlON ceramic powders；
(2) carbon is removed：Thick γ-AlON ceramic powders are incubated 60-90 minutes in 500-800 DEG C of Muffle furnace, removed
Carbon γ-AlON ceramic powders；
(3) ball milling：Carbon γ-AlON ceramic powders will be removed using ethanol as decentralized medium, be fitted into agate jar, wherein removing
Carbon γ-AlON ceramic powders, ethanol, the mass ratio of agate ball are 1：(3-6)：(8-12), agate bulb diameter 3mm, tank body is existed
With 200-400 revs/min of ball milling 1-2 hour on planetary ball mill, by resulting ball milling material with 300 mesh filter-cloth filterings, obtain
Filtrate；By filtrate in 75-85 DEG C of dry 8-12 hour, obtain drying γ-AlON ceramic powders；
(4) it is surface-treated：By KH560 and ethanol by volume (15-25)：100 mixing, at 20-30 DEG C with 200-400
Rev/min stirring 30-40 minutes, obtain KH560 ethanol solution, KH560 ethanol solution be uniformly sprayed onto dry γ-AlON
On ceramic powders, in sprinkling with 200-400 revs/min of stirring, continue after the completion of sprinkling with 200-400 revs/min of 10-20 points of stirring
Clock, product is dried into 1-3 hours in 55-65 DEG C of vacuum drying chamber, vacuum 0.04-0.06MPa, obtains γ-AlON ceramics
Powder, wherein the solid-to-liquid ratio for drying γ-AlON ceramic powders and KH560 ethanol solution is (12-16) g：1mL.
The preparation method of the modified pearl rock comprises the following steps：
(1) it is 60-100 mesh to crush expanded perlite, with water washing is distilled 3 times, is put into 110-120 DEG C of drying box and does
Dry 3-5 hours, obtain pre-processing perlite；
(2) it is 1g by solid-to-liquid ratio by the lauryl glucoside ethanol solution of pretreatment perlite and mass fraction 1%：(5-
10) mL is mixed, and at 40-50 DEG C with 60-100 revs/min of stirring 1-3 hour, is cooled to 20-30 DEG C, using 300 mesh filter-cloth filterings,
Obtain wet perlite；
(3) by KH560, ethanol, water by volume 5：(20-30)：(65-75) mix, 80-90 DEG C with 60-100 turn/
Point stirring 30-50 minutes, obtain hydrolyzing KH560, then by wet perlite and hydrolysis KH560 by solid-to-liquid ratio be 1g：(5-10) mL is mixed
Close, at 80-90 DEG C with 100-200 revs/min of stirring 40-60 minute, with 6000-10000 revs/min of centrifugation 4-6 minute, be deposited in
100-120 DEG C of drying obtains KH560 modified pearl rocks to constant weight；
(4) by KH560 modified pearl rocks with water washing is distilled 3 times, 1-3 hours are dried in 85-95 DEG C of drying box, then
2-4 hours are incubated in 200-300 DEG C of Muffle furnace, obtain modified pearl rock.
The preparation method for reducing the engineering plastics of infrared signature reduction comprises the following steps：
(1) ABS resin, carbon black, inorganic assistant, γ-AlON ceramic powders, modified pearl rock, cycloalkanes are weighed by weight
Sour zinc, is put into mixer, with 300-500 revs/min of stirring 4-6 minute, obtains compound；
(2) compound is put into extruding pelletization in double screw extruder, is reduced the engineering plastics of infrared signature reduction,
The processing temperature of wherein double screw extruder is：One 170-180 DEG C of area, 180-185 DEG C of 2nd area, 185-190 DEG C of 3rd area, 4th area
190-195 DEG C, 200 DEG C -210 DEG C of 5th area, 210 DEG C -220 DEG C of 6th area, 220-230 DEG C of 7th area, eight 230-240 DEG C of areas, 9th area
240-245 DEG C, screw speed is 300-500 revs/min.
The present invention reduces the engineering plastics of infrared signature reduction, and mechanical property is good, can have while visible ray is shielded
Effect reduces the decay of infrared signal, service life length, available for manufacturing television set.
Embodiment
The present invention is expanded on further with reference to specific embodiment.It should be appreciated, however, that these embodiments are only used for
It is bright the present invention and be not meant to limit the scope of the invention.The test method of unreceipted actual conditions in the following example, generally
According to normal condition, or according to the condition proposed by manufacturer.
ABS resin, the trade mark of the strange U.S. production in Taiwan is used as PA-707ABS resins.
Carbon black, No. CAS：1333-86-4, the high colors of model C111 produced using the face Fine Chemical Co., Ltd of Suzhou three
Plain carbon black.
GaAs, No. CAS：1303-00-0.
Barium chromate, No. CAS：10294-40-3.
Expanded perlite, the expanded perlite produced using Lingshou County along Kai Kuangchanpinjiagongchang.
Zinc naphthenate, No. CAS：1312-81-8.
KH560, i.e. γ-glycidyl ether oxygen propyl trimethoxy silicane, No. CAS：2530-83-8.
γ-Al2O3, i.e. gama-alumina, purity 99.9%, average grain diameter 20nm is limited using Beijing Deco island gold science and technology
γ-the Al of company's production2O3。
AlN, i.e. aluminium nitride, purity 99.9%, average grain diameter 30nm, produced using Beijing Deco Dao Jin Science and Technology Ltd.s
AlN.
Ethanol, No. CAS：64-17-5.
Lauryl glucoside, No. CAS：110615-47-9, the APG1214 of Jining Hong Ming chemical reagent Co., Ltd production.
Planetary ball mill, the model QM-3SP2 planetary ball mills produced using Nanjing Univ. Instrument Factory.
Graphite carbon shirt-circuiting furnace, using the model PT-V220LW-G of Zhengzhou Nuo Tai Science and Technology Ltd.s production vacuum carbon pipe
Stove.
The engineering plastics of the reduction infrared signature reduction obtained in embodiment are molded into test according to standard size to use
Standard batten, carry out the test of properties.
Mechanics Performance Testing：Tensile strength is tested according to GB/T1040.2-2006；Bending strength is according to GB/
T9341-2000 is tested.
Infrared attenuating is tested：It is 3mm's that the engineering plastics for the reduction infrared signature reduction that embodiment obtains are made into thickness
Thin slice, then cut into 2cm × 5cm batten.The engineering plastics of the reduction infrared signature reduction obtained to each embodiment carry out red
Outer attenuation test.Wherein infrared attenuating is by infrared generator original power and through the power after remote control reception window material
The ratio of difference and former power is weighed.
Embodiment 1
Reduce the raw material (parts by weight) of the engineering plastics of infrared signature reduction：82 parts of ABS resin, 3 parts of carbon black, inorganic assistant
3 parts, 6 parts of modified pearl rock, 2 parts of zinc naphthenate.
The inorganic assistant is GaAs.
The preparation method of the modified pearl rock comprises the following steps：
(1) it is 80 mesh to crush expanded perlite, with water washing is distilled 3 times, is put into 115 DEG C of drying boxes and dries 4 hours,
Obtain pre-processing perlite；
(2) it is 1g by solid-to-liquid ratio by the lauryl glucoside ethanol solution of pretreatment perlite and mass fraction 1%：8mL
Mixing, stirred 2 hours with 80 revs/min at 45 DEG C, be cooled to 25 DEG C, using 300 mesh filter-cloth filterings, obtain wet perlite；
(3) by KH560, ethanol, water by volume 5：25：70 mixing, stirred 40 minutes, obtained with 80 revs/min at 85 DEG C
KH560 is hydrolyzed, then by wet perlite and hydrolysis KH560 by solid-to-liquid ratio is 1g：8mL is mixed, at 85 DEG C with 150 revs/min of stirrings 50
Minute, centrifuged 5 minutes with 8000 revs/min, be deposited in 110 DEG C of dryings to constant weight, obtain KH560 modified pearl rocks；
(4) KH560 modified pearl rocks are dried 2 hours with water washing is distilled 3 times in 90 DEG C of drying box, then 250
3 hours are incubated in DEG C Muffle furnace, obtains modified pearl rock.
The preparation method for reducing the engineering plastics of infrared signature reduction comprises the following steps：
(1) ABS resin, carbon black, inorganic assistant, modified pearl rock, zinc naphthenate are weighed by weight, are put into mixer
In, stirred 5 minutes with 400 revs/min, obtain compound；
(2) compound is put into extruding pelletization in double screw extruder, is reduced the engineering plastics of infrared signature reduction,
Screw speed is 400 revs/min, and the processing temperature of double screw extruder is：One 175 DEG C of area, 185 DEG C of 2nd area, 190 DEG C of 3rd area, four
195 DEG C of area, 205 DEG C of 5th area, 215 DEG C of 6th area, 225 DEG C of 7th area, eight 235 DEG C of areas, nine 240 DEG C of areas.
Embodiment 2
Reduce the raw material (parts by weight) of the engineering plastics of infrared signature reduction：82 parts of ABS resin, 3 parts of carbon black, inorganic assistant
3 parts, 4 parts of γ-AlON ceramic powders, 6 parts of modified pearl rock, 2 parts of zinc naphthenate.
The inorganic assistant is GaAs.
The preparation method of the γ-AlON ceramic powders comprises the following steps：
(1) thick γ-AlON ceramic powders are prepared：By AlN and γ-Al2O3In molar ratio 4：10 are prepared and are mixed
Thing, using ethanol as medium, mixture is put into agate jar, wherein mixture, ethanol, the mass ratio of agate ball are 1：4：
10, agate bulb diameter 3mm, by tank body on planetary ball mill with 300 revs/min of ball millings 20 hours, resulting slurry is used
300 mesh filter-cloth filterings, obtain filtrate；Filtrate is placed in after 80 DEG C of drying boxes dry 10 hours, is placed in graphite carbon shirt-circuiting furnace,
2 hours, nitrogen pressure 1atm are incubated in 1700 DEG C of nitrogen atmospheres, 20 DEG C/min of heating rate, obtains thick γ-AlON ceramic powders
End；
(2) carbon is removed：Thick γ-AlON ceramic powders are incubated 75 minutes in 650 DEG C of Muffle furnace, obtain except carbon γ-
AlON ceramic powders；
(3) ball milling：Carbon γ-AlON ceramic powders will be removed using ethanol as decentralized medium, be fitted into agate jar, wherein removing
Carbon γ-AlON ceramic powders, ethanol, the mass ratio of agate ball are 1：4：10, agate bulb diameter 3mm, by tank body in planetary ball
With 300 revs/min of ball millings 1.5 hours on grinding machine, by resulting ball milling material with 300 mesh filter-cloth filterings, filtrate is obtained；Filtrate is existed
80 DEG C of dryings 10 hours, obtain γ-AlON ceramic powders.
The preparation method of the modified pearl rock comprises the following steps：
(1) it is 80 mesh to crush expanded perlite, with water washing is distilled 3 times, is put into 115 DEG C of drying boxes and dries 4 hours,
Obtain pre-processing perlite；
(2) it is 1g by solid-to-liquid ratio by the lauryl glucoside ethanol solution of pretreatment perlite and mass fraction 1%：8mL
Mixing, stirred 2 hours with 80 revs/min at 45 DEG C, be cooled to 25 DEG C, using 300 mesh filter-cloth filterings, obtain wet perlite；
(3) by KH560, ethanol, water by volume 5：25：70 mixing, stirred 40 minutes, obtained with 80 revs/min at 85 DEG C
KH560 is hydrolyzed, then by wet perlite and hydrolysis KH560 by solid-to-liquid ratio is 1g：8mL is mixed, at 85 DEG C with 150 revs/min of stirrings 50
Minute, centrifuged 5 minutes with 8000 revs/min, be deposited in 110 DEG C of dryings to constant weight, obtain KH560 modified pearl rocks；
(4) KH560 modified pearl rocks are dried 2 hours with water washing is distilled 3 times in 90 DEG C of drying box, then 250
3 hours are incubated in DEG C Muffle furnace, obtains modified pearl rock.
The preparation method for reducing the engineering plastics of infrared signature reduction comprises the following steps：
(1) ABS resin, carbon black, inorganic assistant, γ-AlON ceramic powders, modified pearl rock, cycloalkanes are weighed by weight
Sour zinc, is put into mixer, is stirred 5 minutes with 400 revs/min, obtains compound；
(2) compound is put into extruding pelletization in double screw extruder, is reduced the engineering plastics of infrared signature reduction,
Screw speed is 400 revs/min, and the processing temperature of double screw extruder is：One 175 DEG C of area, 185 DEG C of 2nd area, 190 DEG C of 3rd area, four
195 DEG C of area, 205 DEG C of 5th area, 215 DEG C of 6th area, 225 DEG C of 7th area, eight 235 DEG C of areas, nine 240 DEG C of areas.
Embodiment 3
Reduce the raw material (parts by weight) of the engineering plastics of infrared signature reduction：82 parts of ABS resin, 3 parts of carbon black, inorganic assistant
3 parts, 4 parts of γ-AlON ceramic powders, 6 parts of modified pearl rock, 2 parts of zinc naphthenate.
The inorganic assistant is GaAs.
The preparation method of the γ-AlON ceramic powders comprises the following steps：
(1) thick γ-AlON ceramic powders are prepared：By AlN and γ-Al2O3In molar ratio 4：10 are prepared and are mixed
Thing, using ethanol as medium, mixture is put into agate jar, wherein mixture, ethanol, the mass ratio of agate ball are 1：4：
10, agate bulb diameter 3mm, by tank body on planetary ball mill with 300 revs/min of ball millings 20 hours, resulting slurry is used
300 mesh filter-cloth filterings, obtain filtrate；Filtrate is placed in after 80 DEG C of drying boxes dry 10 hours, is placed in graphite carbon shirt-circuiting furnace,
2 hours, nitrogen pressure 1atm are incubated in 1700 DEG C of nitrogen atmospheres, 20 DEG C/min of heating rate, obtains thick γ-AlON ceramic powders
End；
(2) carbon is removed：Thick γ-AlON ceramic powders are incubated 75 minutes in 650 DEG C of Muffle furnace, obtain except carbon γ-
AlON ceramic powders；
(3) ball milling：Carbon γ-AlON ceramic powders will be removed using ethanol as decentralized medium, be fitted into agate jar, wherein removing
Carbon γ-AlON ceramic powders, ethanol, the mass ratio of agate ball are 1：4：10, agate bulb diameter 3mm, by tank body in planetary ball
With 300 revs/min of ball millings 1.5 hours on grinding machine, by resulting ball milling material with 300 mesh filter-cloth filterings, filtrate is obtained；Filtrate is existed
80 DEG C of dryings 10 hours, obtain drying γ-AlON ceramic powders；
(4) it is surface-treated：By KH560 and ethanol by volume 20：100 mixing, at 25 DEG C with 300 revs/min of stirring 30-40
Minute, KH560 ethanol solution is obtained, KH560 ethanol solution is uniformly sprayed onto on dry γ-AlON ceramic powders, side
Side is sprayed with 300 revs/min of stirrings, continues to stir 15 minutes with 300 revs/min after the completion of sprinkling, by product in 60 DEG C of vacuum drying
In case dry 2 hours, vacuum 0.05MPa, obtain γ-AlON ceramic powders, wherein dry γ-AlON ceramic powders and
The solid-to-liquid ratio of KH560 ethanol solution is 14g：1mL.
The preparation method of the modified pearl rock comprises the following steps：
(1) it is 80 mesh to crush expanded perlite, with water washing is distilled 3 times, is put into 115 DEG C of drying boxes and dries 4 hours,
Obtain pre-processing perlite；
(2) it is 1g by solid-to-liquid ratio by the lauryl glucoside ethanol solution of pretreatment perlite and mass fraction 1%：8mL
Mixing, stirred 2 hours with 80 revs/min at 45 DEG C, be cooled to 25 DEG C, using 300 mesh filter-cloth filterings, obtain wet perlite；
(3) by KH560, ethanol, water by volume 5：25：70 mixing, stirred 40 minutes, obtained with 80 revs/min at 85 DEG C
KH560 is hydrolyzed, then by wet perlite and hydrolysis KH560 by solid-to-liquid ratio is 1g：8mL is mixed, at 85 DEG C with 150 revs/min of stirrings 50
Minute, centrifuged 5 minutes with 8000 revs/min, be deposited in 110 DEG C of dryings to constant weight, obtain KH560 modified pearl rocks；
(4) KH560 modified pearl rocks are dried 2 hours with water washing is distilled 3 times in 90 DEG C of drying box, then 250
3 hours are incubated in DEG C Muffle furnace, obtains modified pearl rock.
The preparation method for reducing the engineering plastics of infrared signature reduction comprises the following steps：
(1) ABS resin, carbon black, inorganic assistant, γ-AlON ceramic powders, modified pearl rock, cycloalkanes are weighed by weight
Sour zinc, is put into mixer, is stirred 5 minutes with 400 revs/min, obtains compound；
(2) compound is put into extruding pelletization in double screw extruder, is reduced the engineering plastics of infrared signature reduction,
Screw speed is 400 revs/min, and the processing temperature of double screw extruder is：One 175 DEG C of area, 185 DEG C of 2nd area, 190 DEG C of 3rd area, four
195 DEG C of area, 205 DEG C of 5th area, 215 DEG C of 6th area, 225 DEG C of 7th area, eight 235 DEG C of areas, nine 240 DEG C of areas.
Embodiment 4
Reduce the raw material (parts by weight) of the engineering plastics of infrared signature reduction：82 parts of ABS resin, 3 parts of carbon black, γ-AlON
4 parts of ceramic powders, 6 parts of modified pearl rock, 2 parts of zinc naphthenate.
The preparation method of the γ-AlON ceramic powders comprises the following steps：
(1) thick γ-AlON ceramic powders are prepared：By AlN and γ-Al2O3In molar ratio 4：10 are prepared and are mixed
Thing, using ethanol as medium, mixture is put into agate jar, wherein mixture, ethanol, the mass ratio of agate ball are 1：4：
10, agate bulb diameter 3mm, by tank body on planetary ball mill with 300 revs/min of ball millings 20 hours, resulting slurry is used
300 mesh filter-cloth filterings, obtain filtrate；Filtrate is placed in after 80 DEG C of drying boxes dry 10 hours, is placed in graphite carbon shirt-circuiting furnace,
2 hours, nitrogen pressure 1atm are incubated in 1700 DEG C of nitrogen atmospheres, 20 DEG C/min of heating rate, obtains thick γ-AlON ceramic powders
End；
(2) carbon is removed：Thick γ-AlON ceramic powders are incubated 75 minutes in 650 DEG C of Muffle furnace, obtain except carbon γ-
AlON ceramic powders；
(3) ball milling：Carbon γ-AlON ceramic powders will be removed using ethanol as decentralized medium, be fitted into agate jar, wherein removing
Carbon γ-AlON ceramic powders, ethanol, the mass ratio of agate ball are 1：4：10, agate bulb diameter 3mm, by tank body in planetary ball
With 300 revs/min of ball millings 1.5 hours on grinding machine, by resulting ball milling material with 300 mesh filter-cloth filterings, filtrate is obtained；Filtrate is existed
80 DEG C of dryings 10 hours, obtain drying γ-AlON ceramic powders；
(4) it is surface-treated：By KH560 and ethanol by volume 20：100 mixing, at 25 DEG C with 300 revs/min of stirring 30-40
Minute, KH560 ethanol solution is obtained, KH560 ethanol solution is uniformly sprayed onto on dry γ-AlON ceramic powders, side
Side is sprayed with 300 revs/min of stirrings, continues to stir 15 minutes with 300 revs/min after the completion of sprinkling, by product in 60 DEG C of vacuum drying
In case dry 2 hours, vacuum 0.05MPa, obtain γ-AlON ceramic powders, wherein dry γ-AlON ceramic powders and
The solid-to-liquid ratio of KH560 ethanol solution is 14g：1mL.
The preparation method of the modified pearl rock comprises the following steps：
(1) it is 80 mesh to crush expanded perlite, with water washing is distilled 3 times, is put into 115 DEG C of drying boxes and dries 4 hours,
Obtain pre-processing perlite；
(2) it is 1g by solid-to-liquid ratio by the lauryl glucoside ethanol solution of pretreatment perlite and mass fraction 1%：8mL
Mixing, stirred 2 hours with 80 revs/min at 45 DEG C, be cooled to 25 DEG C, using 300 mesh filter-cloth filterings, obtain wet perlite；
(3) by KH560, ethanol, water by volume 5：25：70 mixing, stirred 40 minutes, obtained with 80 revs/min at 85 DEG C
KH560 is hydrolyzed, then by wet perlite and hydrolysis KH560 by solid-to-liquid ratio is 1g：8mL is mixed, at 85 DEG C with 150 revs/min of stirrings 50
Minute, centrifuged 5 minutes with 8000 revs/min, be deposited in 110 DEG C of dryings to constant weight, obtain KH560 modified pearl rocks；
(4) KH560 modified pearl rocks are dried 2 hours with water washing is distilled 3 times in 90 DEG C of drying box, then 250
3 hours are incubated in DEG C Muffle furnace, obtains modified pearl rock.
The preparation method for reducing the engineering plastics of infrared signature reduction comprises the following steps：
(1) ABS resin, carbon black, γ-AlON ceramic powders, modified pearl rock, zinc naphthenate are weighed by weight, are put into
In mixer, stirred 5 minutes with 400 revs/min, obtain compound；
(2) compound is put into extruding pelletization in double screw extruder, is reduced the engineering plastics of infrared signature reduction,
Screw speed is 400 revs/min, and the processing temperature of double screw extruder is：One 175 DEG C of area, 185 DEG C of 2nd area, 190 DEG C of 3rd area, four
195 DEG C of area, 205 DEG C of 5th area, 215 DEG C of 6th area, 225 DEG C of 7th area, eight 235 DEG C of areas, nine 240 DEG C of areas.
Embodiment 5
Reduce the raw material (parts by weight) of the engineering plastics of infrared signature reduction：82 parts of ABS resin, 3 parts of carbon black, inorganic assistant
3 parts, 4 parts of γ-AlON ceramic powders, 6 parts of perlite, 2 parts of zinc naphthenate.
The inorganic assistant is GaAs.
The preparation method of the γ-AlON ceramic powders comprises the following steps：
(1) thick γ-AlON ceramic powders are prepared：By AlN and γ-Al2O3In molar ratio 4：10 are prepared and are mixed
Thing, using ethanol as medium, mixture is put into agate jar, wherein mixture, ethanol, the mass ratio of agate ball are 1：4：
10, agate bulb diameter 3mm, by tank body on planetary ball mill with 300 revs/min of ball millings 20 hours, resulting slurry is used
300 mesh filter-cloth filterings, obtain filtrate；Filtrate is placed in after 80 DEG C of drying boxes dry 10 hours, is placed in graphite carbon shirt-circuiting furnace,
2 hours, nitrogen pressure 1atm are incubated in 1700 DEG C of nitrogen atmospheres, 20 DEG C/min of heating rate, obtains thick γ-AlON ceramic powders
End；
(2) carbon is removed：Thick γ-AlON ceramic powders are incubated 75 minutes in 650 DEG C of Muffle furnace, obtain except carbon γ-
AlON ceramic powders；
(3) ball milling：Carbon γ-AlON ceramic powders will be removed using ethanol as decentralized medium, be fitted into agate jar, wherein removing
Carbon γ-AlON ceramic powders, ethanol, the mass ratio of agate ball are 1：4：10, agate bulb diameter 3mm, by tank body in planetary ball
With 300 revs/min of ball millings 1.5 hours on grinding machine, by resulting ball milling material with 300 mesh filter-cloth filterings, filtrate is obtained；Filtrate is existed
80 DEG C of dryings 10 hours, obtain drying γ-AlON ceramic powders；
(4) it is surface-treated：By KH560 and ethanol by volume 20：100 mixing, at 25 DEG C with 300 revs/min of stirring 30-40
Minute, KH560 ethanol solution is obtained, KH560 ethanol solution is uniformly sprayed onto on dry γ-AlON ceramic powders, side
Side is sprayed with 300 revs/min of stirrings, continues to stir 15 minutes with 300 revs/min after the completion of sprinkling, by product in 60 DEG C of vacuum drying
In case dry 2 hours, vacuum 0.05MPa, obtain γ-AlON ceramic powders, wherein dry γ-AlON ceramic powders and
The solid-to-liquid ratio of KH560 ethanol solution is 14g：1mL.
The perlite is prepared by following methods：It is 80 mesh that expanded perlite, which is crushed, with distilling water washing 3 times,
It is put into 115 DEG C of drying boxes and dries 4 hours, obtains perlite；
The preparation method for reducing the engineering plastics of infrared signature reduction comprises the following steps：
(1) ABS resin, carbon black, inorganic assistant, γ-AlON ceramic powders, perlite, zinc naphthenate are weighed by weight,
It is put into mixer, is stirred 5 minutes with 400 revs/min, obtain compound；
(2) compound is put into extruding pelletization in double screw extruder, is reduced the engineering plastics of infrared signature reduction,
Screw speed is 400 revs/min, and the processing temperature of double screw extruder is：One 175 DEG C of area, 185 DEG C of 2nd area, 190 DEG C of 3rd area, four
195 DEG C of area, 205 DEG C of 5th area, 215 DEG C of 6th area, 225 DEG C of 7th area, eight 235 DEG C of areas, nine 240 DEG C of areas.
Embodiment 6
Reduce the raw material (parts by weight) of the engineering plastics of infrared signature reduction：82 parts of ABS resin, 3 parts of carbon black, inorganic assistant
3 parts, 4 parts of γ-AlON ceramic powders, 2 parts of zinc naphthenate.
The inorganic assistant is GaAs.
The preparation method of the γ-AlON ceramic powders comprises the following steps：
(1) thick γ-AlON ceramic powders are prepared：By AlN and γ-Al2O3In molar ratio 4：10 are prepared and are mixed
Thing, using ethanol as medium, mixture is put into agate jar, wherein mixture, ethanol, the mass ratio of agate ball are 1：4：
10, agate bulb diameter 3mm, by tank body on planetary ball mill with 300 revs/min of ball millings 20 hours, resulting slurry is used
300 mesh filter-cloth filterings, obtain filtrate；Filtrate is placed in after 80 DEG C of drying boxes dry 10 hours, is placed in graphite carbon shirt-circuiting furnace,
2 hours, nitrogen pressure 1atm are incubated in 1700 DEG C of nitrogen atmospheres, 20 DEG C/min of heating rate, obtains thick γ-AlON ceramic powders
End；
(2) carbon is removed：Thick γ-AlON ceramic powders are incubated 75 minutes in 650 DEG C of Muffle furnace, obtain except carbon γ-
AlON ceramic powders；
(3) ball milling：Carbon γ-AlON ceramic powders will be removed using ethanol as decentralized medium, be fitted into agate jar, wherein removing
Carbon γ-AlON ceramic powders, ethanol, the mass ratio of agate ball are 1：4：10, agate bulb diameter 3mm, by tank body in planetary ball
With 300 revs/min of ball millings 1.5 hours on grinding machine, by resulting ball milling material with 300 mesh filter-cloth filterings, filtrate is obtained；Filtrate is existed
80 DEG C of dryings 10 hours, obtain drying γ-AlON ceramic powders；
(4) it is surface-treated：By KH560 and ethanol by volume 20：100 mixing, at 25 DEG C with 300 revs/min of stirring 30-40
Minute, KH560 ethanol solution is obtained, KH560 ethanol solution is uniformly sprayed onto on dry γ-AlON ceramic powders, side
Side is sprayed with 300 revs/min of stirrings, continues to stir 15 minutes with 300 revs/min after the completion of sprinkling, by product in 60 DEG C of vacuum drying
In case dry 2 hours, vacuum 0.05MPa, obtain γ-AlON ceramic powders, wherein dry γ-AlON ceramic powders and
The solid-to-liquid ratio of KH560 ethanol solution is 14g：1mL.
The preparation method for reducing the engineering plastics of infrared signature reduction comprises the following steps：
(1) ABS resin, carbon black, inorganic assistant, γ-AlON ceramic powders, zinc naphthenate are weighed by weight, are put into and are stirred
Mix in machine, stirred 5 minutes with 400 revs/min, obtain compound；
(2) compound is put into extruding pelletization in double screw extruder, is reduced the engineering plastics of infrared signature reduction,
Screw speed is 400 revs/min, and the processing temperature of double screw extruder is：One 175 DEG C of area, 185 DEG C of 2nd area, 190 DEG C of 3rd area, four
195 DEG C of area, 205 DEG C of 5th area, 215 DEG C of 6th area, 225 DEG C of 7th area, eight 235 DEG C of areas, nine 240 DEG C of areas.
Embodiment 7
Reduce the raw material (parts by weight) of the engineering plastics of infrared signature reduction：82 parts of ABS resin, 3 parts of carbon black, inorganic assistant
3 parts, 4 parts of γ-AlON ceramic powders, 6 parts of modified pearl rock, 2 parts of zinc naphthenate.
The inorganic assistant is barium chromate.
The preparation method of the γ-AlON ceramic powders comprises the following steps：
(1) thick γ-AlON ceramic powders are prepared：By AlN and γ-Al2O3In molar ratio 4：10 are prepared and are mixed
Thing, using ethanol as medium, mixture is put into agate jar, wherein mixture, ethanol, the mass ratio of agate ball are 1：4：
10, agate bulb diameter 3mm, by tank body on planetary ball mill with 300 revs/min of ball millings 20 hours, resulting slurry is used
300 mesh filter-cloth filterings, obtain filtrate；Filtrate is placed in after 80 DEG C of drying boxes dry 10 hours, is placed in graphite carbon shirt-circuiting furnace,
2 hours, nitrogen pressure 1atm are incubated in 1700 DEG C of nitrogen atmospheres, 20 DEG C/min of heating rate, obtains thick γ-AlON ceramic powders
End；
(2) carbon is removed：Thick γ-AlON ceramic powders are incubated 75 minutes in 650 DEG C of Muffle furnace, obtain except carbon γ-
AlON ceramic powders；
(3) ball milling：Carbon γ-AlON ceramic powders will be removed using ethanol as decentralized medium, be fitted into agate jar, wherein removing
Carbon γ-AlON ceramic powders, ethanol, the mass ratio of agate ball are 1：4：10, agate bulb diameter 3mm, by tank body in planetary ball
With 300 revs/min of ball millings 1.5 hours on grinding machine, by resulting ball milling material with 300 mesh filter-cloth filterings, filtrate is obtained；Filtrate is existed
80 DEG C of dryings 10 hours, obtain drying γ-AlON ceramic powders；
(4) it is surface-treated：By KH560 and ethanol by volume 20：100 mixing, at 25 DEG C with 300 revs/min of stirring 30-40
Minute, KH560 ethanol solution is obtained, KH560 ethanol solution is uniformly sprayed onto on dry γ-AlON ceramic powders, side
Side is sprayed with 300 revs/min of stirrings, continues to stir 15 minutes with 300 revs/min after the completion of sprinkling, by product in 60 DEG C of vacuum drying
In case dry 2 hours, vacuum 0.05MPa, obtain γ-AlON ceramic powders, wherein dry γ-AlON ceramic powders and
The solid-to-liquid ratio of KH560 ethanol solution is 14g：1mL.
The preparation method of the modified pearl rock comprises the following steps：
(1) it is 80 mesh to crush expanded perlite, with water washing is distilled 3 times, is put into 115 DEG C of drying boxes and dries 4 hours,
Obtain pre-processing perlite；
(2) it is 1g by solid-to-liquid ratio by the lauryl glucoside ethanol solution of pretreatment perlite and mass fraction 1%：8mL
Mixing, stirred 2 hours with 80 revs/min at 45 DEG C, be cooled to 25 DEG C, using 300 mesh filter-cloth filterings, obtain wet perlite；
(3) by KH560, ethanol, water by volume 5：25：70 mixing, stirred 40 minutes, obtained with 80 revs/min at 85 DEG C
KH560 is hydrolyzed, then by wet perlite and hydrolysis KH560 by solid-to-liquid ratio is 1g：8mL is mixed, at 85 DEG C with 150 revs/min of stirrings 50
Minute, centrifuged 5 minutes with 8000 revs/min, be deposited in 110 DEG C of dryings to constant weight, obtain KH560 modified pearl rocks；
(4) KH560 modified pearl rocks are dried 2 hours with water washing is distilled 3 times in 90 DEG C of drying box, then 250
3 hours are incubated in DEG C Muffle furnace, obtains modified pearl rock.
The preparation method for reducing the engineering plastics of infrared signature reduction comprises the following steps：
(1) ABS resin, carbon black, inorganic assistant, γ-AlON ceramic powders, modified pearl rock, cycloalkanes are weighed by weight
Sour zinc, is put into mixer, is stirred 5 minutes with 400 revs/min, obtains compound；
(2) compound is put into extruding pelletization in double screw extruder, is reduced the engineering plastics of infrared signature reduction,
Screw speed is 400 revs/min, and the processing temperature of double screw extruder is：One 175 DEG C of area, 185 DEG C of 2nd area, 190 DEG C of 3rd area, four
195 DEG C of area, 205 DEG C of 5th area, 215 DEG C of 6th area, 225 DEG C of 7th area, eight 235 DEG C of areas, nine 240 DEG C of areas.
The infrared remote-controlled signal attenuation test result of the engineering plastics of obtained reduction infrared signature reduction：14%；Mechanics
The performance test results：Tensile strength 45.83MPa, bending strength 43.05MPa.
Embodiment 8
Reduce the raw material (parts by weight) of the engineering plastics of infrared signature reduction：82 parts of ABS resin, 3 parts of carbon black, inorganic assistant
3 parts, 4 parts of γ-AlON ceramic powders, 6 parts of modified pearl rock, 2 parts of zinc naphthenate.
The inorganic assistant is the mixture of GaAs and barium chromate, wherein the mass ratio of the GaAs and barium chromate is
4：1
The preparation method of the γ-AlON ceramic powders comprises the following steps：
(1) thick γ-AlON ceramic powders are prepared：By AlN and γ-Al2O3In molar ratio 4：10 are prepared and are mixed
Thing, using ethanol as medium, mixture is put into agate jar, wherein mixture, ethanol, the mass ratio of agate ball are 1：4：
10, agate bulb diameter 3mm, by tank body on planetary ball mill with 300 revs/min of ball millings 20 hours, resulting slurry is used
300 mesh filter-cloth filterings, obtain filtrate；Filtrate is placed in after 80 DEG C of drying boxes dry 10 hours, is placed in graphite carbon shirt-circuiting furnace,
2 hours, nitrogen pressure 1atm are incubated in 1700 DEG C of nitrogen atmospheres, 20 DEG C/min of heating rate, obtains thick γ-AlON ceramic powders
End；
(2) carbon is removed：Thick γ-AlON ceramic powders are incubated 75 minutes in 650 DEG C of Muffle furnace, obtain except carbon γ-
AlON ceramic powders；
(3) ball milling：Carbon γ-AlON ceramic powders will be removed using ethanol as decentralized medium, be fitted into agate jar, wherein removing
Carbon γ-AlON ceramic powders, ethanol, the mass ratio of agate ball are 1：4：10, agate bulb diameter 3mm, by tank body in planetary ball
With 300 revs/min of ball millings 1.5 hours on grinding machine, by resulting ball milling material with 300 mesh filter-cloth filterings, filtrate is obtained；Filtrate is existed
80 DEG C of dryings 10 hours, obtain drying γ-AlON ceramic powders；
(4) it is surface-treated：By KH560 and ethanol by volume 20：100 mixing, at 25 DEG C with 300 revs/min of stirring 30-40
Minute, KH560 ethanol solution is obtained, KH560 ethanol solution is uniformly sprayed onto on dry γ-AlON ceramic powders, side
Side is sprayed with 300 revs/min of stirrings, continues to stir 15 minutes with 300 revs/min after the completion of sprinkling, by product in 60 DEG C of vacuum drying
In case dry 2 hours, vacuum 0.05MPa, obtain γ-AlON ceramic powders, wherein dry γ-AlON ceramic powders and
The solid-to-liquid ratio of KH560 ethanol solution is 14g：1mL.
The preparation method of the modified pearl rock comprises the following steps：
(1) it is 80 mesh to crush expanded perlite, with water washing is distilled 3 times, is put into 115 DEG C of drying boxes and dries 4 hours,
Obtain pre-processing perlite；
(2) it is 1g by solid-to-liquid ratio by the lauryl glucoside ethanol solution of pretreatment perlite and mass fraction 1%：8mL
Mixing, stirred 2 hours with 80 revs/min at 45 DEG C, be cooled to 25 DEG C, using 300 mesh filter-cloth filterings, obtain wet perlite；
(3) by KH560, ethanol, water by volume 5：25：70 mixing, stirred 40 minutes, obtained with 80 revs/min at 85 DEG C
KH560 is hydrolyzed, then by wet perlite and hydrolysis KH560 by solid-to-liquid ratio is 1g：8mL is mixed, at 85 DEG C with 150 revs/min of stirrings 50
Minute, centrifuged 5 minutes with 8000 revs/min, be deposited in 110 DEG C of dryings to constant weight, obtain KH560 modified pearl rocks；
(4) KH560 modified pearl rocks are dried 2 hours with water washing is distilled 3 times in 90 DEG C of drying box, then 250
3 hours are incubated in DEG C Muffle furnace, obtains modified pearl rock.
The preparation method for reducing the engineering plastics of infrared signature reduction comprises the following steps：
(1) ABS resin, carbon black, inorganic assistant, γ-AlON ceramic powders, modified pearl rock, cycloalkanes are weighed by weight
Sour zinc, is put into mixer, is stirred 5 minutes with 400 revs/min, obtains compound；
(2) compound is put into extruding pelletization in double screw extruder, is reduced the engineering plastics of infrared signature reduction,
Screw speed is 400 revs/min, and the processing temperature of double screw extruder is：One 175 DEG C of area, 185 DEG C of 2nd area, 190 DEG C of 3rd area, four
195 DEG C of area, 205 DEG C of 5th area, 215 DEG C of 6th area, 225 DEG C of 7th area, eight 235 DEG C of areas, nine 240 DEG C of areas.
The infrared remote-controlled signal attenuation test result of the engineering plastics of obtained reduction infrared signature reduction：11%；Mechanics
The performance test results：Tensile strength 48.62MPa, bending strength 45.53MPa.
Test case 1
The infrared remote-controlled signal decay of the engineering plastics of the reduction infrared signature reduction obtained to embodiment 1-4 is surveyed
Examination, concrete outcome are shown in Table 1.
The infrared remote-controlled signal attenuation test result table of table 1
| Infrared remote-controlled signal is decayed, % | |
| Embodiment 1 | 20 |
| Embodiment 2 | 17 |
| Embodiment 3 | 13 |
| Embodiment 4 | 16 |
Embodiment 2 uses γ-AlON ceramic powders, the infrared attenuating of the engineering plastics of obtained reduction infrared signature reduction
Less than embodiment 1, because the engineering plastics of the reduction infrared signature reduction of addition γ-AlON ceramic powders have in infrared region
There is good translucency, and then reduce infrared signature reduction.
γ-AlON ceramic powders are surface-treated by embodiment 3 with KH560, are reduced the work of infrared signature reduction
The infrared attenuating of engineering plastics is less than embodiment 2 because surface treatment after, γ-AlON ceramic powders dispersiveness and
Improved with the bonding force of ABS resin, so as to reduce infrared remote-controlled signal decay.
Embodiment 3 employs inorganic assistant, is reduced the infrared attenuating of engineering plastics of infrared signature reduction less than real
Example 4 is applied, because the engineering plastics of the reduction infrared signature reduction after inorganic assistant is infrared through corresponding to crest location
Wavelength is just overlapping or close with the remote control IR wavelength used, so as to reduce infrared remote-controlled signal decay.
Test case 2
The mechanical property of the engineering plastics of the reduction infrared signature reduction obtained to embodiment 1-6 is measured.Specific knot
Fruit is shown in Table 2.
Table 2 reduces the engineering plastics mechanical experimental results table of infrared signature reduction
Embodiment 3 uses modified pearl rock, and the mechanical property of the engineering plastics of obtained reduction infrared signature reduction is better than
Embodiment 5 uses unmodified perlite, because KH560 serves the effect of " bridge ", perlite is combined with ABS resin
Get up, strengthen the reinforcing of perlite filler.
The mechanical property of the engineering plastics for the reduction infrared signature reduction that embodiment 3 and embodiment 5 obtain is superior to implement
Example 6, because perlite has significant humidification to the mechanical property for reducing the engineering plastics of infrared signature reduction.
Claims (7)
1. a kind of engineering plastics for reducing infrared signature reduction, it is characterised in that including following raw materials：ABS resin, carbon black, nothing
Machine aided agent, γ-AlON ceramic powders, modified pearl rock, zinc naphthenate.
2. the engineering plastics of infrared signature reduction are reduced as claimed in claim 1, it is characterised in that the original including following weight parts
Material：ABS resin 80-85 parts, carbon black 1-5 parts, inorganic assistant 1-5 parts, γ-AlON ceramic powders 2-6 parts, modified pearl rock 4-8
Part, zinc naphthenate 1-3 parts.
3. the engineering plastics of infrared signature reduction are reduced as claimed in claim 2, it is characterised in that the inorganic assistant is arsenic
Gallium and/or barium chromate.
4. the engineering plastics of infrared signature reduction are reduced as described in Claims 2 or 3, it is characterised in that the γ-AlON ceramics
The preparation method of powder comprises the following steps：
(1) thick γ-AlON ceramic powders are prepared；
(2) carbon is removed；
(3) ball milling.
5. the engineering plastics of infrared signature reduction are reduced as claimed in claim 4, it is characterised in that the γ-AlON ceramic powders
The preparation method at end comprises the following steps：
(1) thick γ-AlON ceramic powders are prepared；
(2) carbon is removed；
(3) ball milling；
(4) it is surface-treated.
6. the engineering plastics of infrared signature reduction are reduced as claimed in claim 5, it is characterised in that the γ-AlON ceramic powders
The preparation method at end comprises the following steps：
(1) thick γ-AlON ceramic powders are prepared：By AlN and γ-Al2O3(2-6) in molar ratio：10 are prepared and are mixed
Thing, using ethanol as medium, mixture is put into agate jar, wherein mixture, ethanol, the mass ratio of agate ball are 1：
(3-6)：(8-12), agate bulb diameter 3mm, by tank body on planetary ball mill with 200-400 revs/min of ball milling 18-24 hour,
By resulting slurry with 300 mesh filter-cloth filterings, filtrate is obtained；After filtrate is placed in into 75-85 DEG C of drying box drying 8-12 hour,
It is placed in graphite carbon shirt-circuiting furnace, 1-3 hours is incubated in 1600 DEG C of -1800 DEG C of nitrogen atmospheres, nitrogen pressure 1atm, nitrogen pressure
1atm, 20 DEG C/min of heating rate, obtain thick γ-AlON ceramic powders；
(2) carbon is removed：Thick γ-AlON ceramic powders are incubated 60-90 minutes in 500-800 DEG C of Muffle furnace, obtain except carbon γ-
AlON ceramic powders；
(3) ball milling：Carbon γ-AlON ceramic powders will be removed using ethanol as decentralized medium, be fitted into agate jar, wherein except carbon
γ-AlON ceramic powders, ethanol, the mass ratio of agate ball are 1：(3-6)：(8-12), agate bulb diameter 3mm, tank body is expert at
With 200-400 revs/min of ball milling 1-2 hour on planetary ball mill, by resulting ball milling material with 300 mesh filter-cloth filterings, filtered
Liquid；By filtrate in 75-85 DEG C of dry 8-12 hour, obtain drying γ-AlON ceramic powders；
(4) it is surface-treated：By KH560 and ethanol by volume (15-25)：100 mixing, at 20-30 DEG C with 200-400 revs/min
30-40 minutes are stirred, obtain KH560 ethanol solution, KH560 ethanol solution is uniformly sprayed onto dry γ-AlON ceramics
On powder, in sprinkling with 200-400 revs/min of stirring, continue after the completion of sprinkling with 200-400 revs/min of stirring 10-20 minute,
Product is dried into 1-3 hours in 55-65 DEG C of vacuum drying chamber, vacuum 0.04-0.06MPa, obtains γ-AlON ceramic powders
End, wherein the solid-to-liquid ratio for drying γ-AlON ceramic powders and KH560 ethanol solution is (12-16) g：1mL.
7. the engineering plastics of infrared signature reduction are reduced as claimed in claim 2, it is characterised in that the system of the modified pearl rock
Preparation Method comprises the following steps：
(1) it is 60-100 mesh to crush expanded perlite, with water washing is distilled 3 times, is put into 110-120 DEG C of drying box and dries 3-
5 hours, obtain pre-processing perlite；
(2) it is 1g by solid-to-liquid ratio by the lauryl glucoside ethanol solution of pretreatment perlite and mass fraction 1%：(5-10)mL
Mixing, at 40-50 DEG C with 60-100 revs/min of stirring 1-3 hour, 20-30 DEG C is cooled to, using 300 mesh filter-cloth filterings, is obtained wet
Perlite；
(3) by KH560, ethanol, water by volume 5：(20-30)：(65-75) is mixed, and is stirred at 80-90 DEG C with 60-100 revs/min
30-50 minutes are mixed, obtain hydrolyzing KH560, then by wet perlite and hydrolysis KH560 by solid-to-liquid ratio are 1g：(5-10) mL is mixed,
80-90 DEG C, with 100-200 revs/min of stirring 40-60 minute, with 6000-10000 revs/min of centrifugation 4-6 minute, is deposited in 100-120
DEG C dry to constant weight, obtain KH560 modified pearl rocks；
(4) KH560 modified pearl rocks are used into distillation water washing 3 times, the dry 1-3 hours in 85-95 DEG C of drying box, then
2-4 hours are incubated in 200-300 DEG C of Muffle furnace, obtain modified pearl rock.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103351590A (en) * | 2013-06-28 | 2013-10-16 | 青岛海信电器股份有限公司 | Modified engineering plastic material, infrared remote control receiving window, and television |
| CN104448685A (en) * | 2014-12-17 | 2015-03-25 | 天津金发新材料有限公司 | Ceramic fiber reinforced flame retardant ABS and preparation method thereof |
| CN106317822A (en) * | 2016-08-18 | 2017-01-11 | 刘世超 | Infrared signal attenuation-reducing engineering plastic for televisions |
| CN106366606A (en) * | 2016-08-18 | 2017-02-01 | 东莞市宇豪塑胶科技有限公司 | Engineering plastic specially used for televisions and reducing infrared signal attenuation |
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2017
- 2017-09-29 CN CN201710911228.XA patent/CN107722542A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103351590A (en) * | 2013-06-28 | 2013-10-16 | 青岛海信电器股份有限公司 | Modified engineering plastic material, infrared remote control receiving window, and television |
| CN104448685A (en) * | 2014-12-17 | 2015-03-25 | 天津金发新材料有限公司 | Ceramic fiber reinforced flame retardant ABS and preparation method thereof |
| CN106317822A (en) * | 2016-08-18 | 2017-01-11 | 刘世超 | Infrared signal attenuation-reducing engineering plastic for televisions |
| CN106366606A (en) * | 2016-08-18 | 2017-02-01 | 东莞市宇豪塑胶科技有限公司 | Engineering plastic specially used for televisions and reducing infrared signal attenuation |
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