CN108440893A - Night-television machine special plastic - Google Patents
Night-television machine special plastic Download PDFInfo
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- CN108440893A CN108440893A CN201810199851.1A CN201810199851A CN108440893A CN 108440893 A CN108440893 A CN 108440893A CN 201810199851 A CN201810199851 A CN 201810199851A CN 108440893 A CN108440893 A CN 108440893A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses a kind of night-television machine special plastics, including following components in parts by weight：100 300 parts of ABS resins, 50 100 parts of PC resins, 15 30 parts of luminescent powders, 5 35 parts of scratch resistance liniments, 5 15 parts of antioxidant, 39 parts of pentaerythritol stearates, 26 parts of PTW toughener, 39 parts of repefrals, 39 parts of dibutyl sebacates, 15 parts of metastannic acids.The night-television machine special plastic of the present invention has good scraping and wiping resistance performance, shock resistance and flame retardant property, and hardness is high, anti-aging property is good, extends service life.
Description
Technical field
The present invention relates to a kind of television set special plastics.
Background technology
Housing of TV set is extremely important for television set, not only represents the aesthetic measure of television set, but also protects
The thermal conductivity and impact resistance for having demonstrate,proved television set make television set preferably run and use.As people are to quality of the life
It pursues and improves, television set manufacture is increasingly to light-weight, compact-sized, multi-functional, intelligent, personalized, energy-saving, healthy nothing
Pollution direction is developed, and therefore, with light weight, not corrosion, good insulating, processability is good, processing cost is low, it is raw to be applicable in high-volume
The plastics of the advantages that production become the ideal chose that household appliances enterprise realizes product up-gradation.Property sort, plastics are used according to plastics
General-purpose plastics, engineering plastics and special plastic can be divided into.Wherein, general-purpose plastics is that household electrical appliances number of applications is most, widest in area
Plastics.General-purpose plastics mainly has five major class, i.e. polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), polystyrene (PS)
And acrylonitrile-butadiene-styrene copolymerisation object (ABS), wherein PS, ABS are most in the usage amount of field of household appliances.
Makrolon (PC) is a kind of performance engineering plastics outstanding, have higher impact flexibility, heat resistance, rigidity,
Creep-resistant property, while there is excellent dimensional stability, but processing fluidity is bad；Acrylonitrile-butadiene-styrene (ABS) is copolymerized
Object (ABS) is a kind of function admirable, widely used engineering plastics, has the excellent spies such as impact strength is high, is easy to processing and forming
Point, but problem not high there is also heat resistance simultaneously.PC/ABS alloys have excellent heat resistance, processability, PC/ABS alloys
Makrolon and acrylonitrile-butadiene-styrene copolymer and mixture, be by makrolon (Polycarbonate) and
Thermoplastic plastic rubber made of polyacrylonitrile (ABS) alloy, combines PC, ABS respectively advantage, and performance forms complementation, it is melted
Body viscosity, cost and processing performance are better than PC, and the internal stress of product is less than PC, and tensile property, heat resistance and shock resistance are equal
Than ABS high, combine the excellent specific property of two kinds of materials, the mouldability of the ABS material and mechanicalness of PC, impact strength and heatproof,
The properties such as uvioresistant (UV), PC/ABS alloy colors are no transparent grains, can be widely used in automotive interior parts, commercial machine
On device, the communication apparatus, electrical home appliances and lighting apparatus.Therefore PC resin, ABS resin are selected in the present invention.
Television set plastics are to antibiotic property, anti-flammability, thermal diffusivity, insulating properties, Corrosion Protection, wear-resistant, scratch resistance
Can etc. it is more demanding, but to there is scraping and wiping resistance performance, the right property of shock resistance and flame retardant property mostly insufficient for current household electrical appliances plastics
Problem.Scraping and wiping resistance performance, shock resistance, the quality of flame retardant property depend on other several factors, such as the type of resin, fill out
Expect content, auxiliary agent, pigment, processing conditions and surface granularity etc..In order to obtain with good scratch-resistant, anti-flammability and shock resistance
The television set plastics of performance, inventor have carried out a large amount of experiment, obtain the formula of the present invention.
Invention content
The present invention provides a kind of night-television machine special plastics.The present invention adopts the following technical scheme that：
A kind of night-television machine special plastic, including following components in parts by weight：100-300 parts of ABS resins, 50-100 parts
PC resin, 15-30 part luminescent powder, 5-35 parts of scratch resistance liniments, 5-15 parts of antioxidant, 3-9 parts of pentaerythritol stearates, 2-6 parts
PTW toughener, 3-9 part repefral, 3-9 parts of dibutyl sebacates, 1-5 parts of metastannic acids.
A kind of night-television machine special plastic, including following components in parts by weight：100-300 parts of ABS resins, 50-100 parts
PC resin, 15-30 part luminescent powder, 5-35 parts of scratch resistance liniments, 5-15 parts of antioxidant, 3-9 parts of pentaerythritol stearates, 2-6 parts
PTW toughener, 10-30 part modified zinc oxide, 3-9 parts of repefrals, 3-9 parts of dibutyl sebacates, 1-5 parts of inclined tin
Acid.
A kind of night-television machine special plastic, including following components in parts by weight：100-300 parts of ABS resins, 50-100 parts
PC resin, 15-30 part luminescent powder, 5-35 parts of scratch resistance liniments, 5-15 parts of antioxidant, 3-9 parts of pentaerythritol stearates, 2-6 parts
PTW toughener, 10-30 part modified zinc oxide, 6-18 parts of modified graphene oxides, 3-9 parts of repefrals, 3-9 parts
Dibutyl sebacate, 1-5 part metastannic acid.
The preparation method of the scratch resistance liniment is as follows：15-60g metasilicate pentahydrate sodiums are added in 2000-6000g water,
25-50 DEG C, stirred 20-60 minute with 100-500 revs/min of rotating speed, addition 250-750g mixtures, 25-50 DEG C, with
100-300 revs/min of rotating speed stirs 60-300 minutes, obtains mixture A, mixture A is poured into ball mill, in 20-40
DEG C, with 200-800 revs/min of rotating speed ball milling 4-12 hours, obtain mixture B, mixture B crossed into 800-2000 mesh sieve, will
Filter cake is 12-36 hours dry at 30-70 DEG C, obtains scratch resistance liniment." filter cake " refers to that will be retained in filter after mixture B filterings
Solid matter contained in original mixture B on device.
The mixture is organobentonite, talcum powder, medical stone powder are preferably (1-3) in mass ratio：(1-3)：(1-3)
Mixture, further preferably 3:1:1.
The preparation method of the modified zinc oxide is as follows：30-120g zinc oxide is added in 300-800g water, in 30-
60 DEG C of ultrasonic disperses obtain slurry in 20-80 minutes, ultrasonic frequency 20-50KHz, power 200-800W, add into slurry
Enter the sodium silicate aqueous solution of a concentration of 0.03-3mol/L of 3-12g, uses the sodium hydrate aqueous solution of 0.5-5mol/L after mixing
PH value is adjusted to 9-11, is warming up to 65-80 DEG C, is stirred 1-5 hours at 65-80 DEG C, with 100-500 revs/min of rotating speed, uses 1-
5-15g aluminum sulfate, 0.1-1g sodium hydroxides is added to 7.5-8.5 in the salt acid for adjusting pH of 5mol/L, continue 65-80 DEG C, with
100-500 revs/min of rotating speed stirs 1-5 hours, then uses the salt acid for adjusting pH of 1-5mol/L to 6.2-7.3, stops stirring,
It is cooled to 20-40 DEG C, is aged 1-5 hours at 20-40 DEG C, 600-1200 mesh sieve is crossed, it is 3-12 hours dry at 80-120 DEG C, then
It crushes, cross 1000-2000 mesh sieve, obtain modified zinc oxide.
The sodium silicate aqueous solution of a concentration of 0.03-3mol/L, refers to Na2SiO3It is calculated as solute, solution
In the Na that contains2SiO3A concentration of 0.03-3mol/L.
The preparation method of the modified graphene oxide is：50-150g graphene oxides, 5-30g modifying agent are added to
In 200-800g water, in 40-70 DEG C of ultrasonic disperse 60-300 minutes, ultrasonic frequency 20-50KHz, power 200-800W,
Centrifugation takes the precipitation after centrifugation, dry, and dry products therefrom is sintered 1-5 hours under helium protection, at 600-800 DEG C, is obtained
To modified graphene oxide.The centrifugation is centrifuged 30-120 minutes with 5000-20000 revs/min of rotating speed.The drying is
It is 6-24 hours dry at 40-70 DEG C.
The modifying agent is ascorbic acid and/or citric acid.The modifying agent is preferably the mixed of ascorbic acid and citric acid
The mass ratio of conjunction object, the ascorbic acid and citric acid is (1-3)：(1-3), further preferably 1:3.
The antioxidant is one kind in irgasfos 168, antioxidant 1010, antioxidant 1076.
The present invention also provides the processing methods of above-mentioned night-television machine special plastic：Each raw material is weighed by weight, is mixed
After uniformly in input double screw extruder, to obtain the final product through melt blending extruding pelletization, double screw extruder used is divided into 9 sections, if
Constant temperature degree is respectively 170-185 DEG C, 195-210 DEG C, 200-220 DEG C, 200-240 DEG C, 230-240 DEG C, 235-245 DEG C, 240-
250 DEG C, 240-260 DEG C, 225-245 DEG C, main-machine screw rotating speed is 50-500r/min, and head temperature is 220-250 DEG C.
The night-television machine special plastic of the present invention has good scraping and wiping resistance performance, shock resistance and flame retardant property,
Hardness is high, anti-aging property is good, extends service life.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can be each preferably to get the present invention in any combination
Embodiment.
Specific implementation mode
It is further illustrated the present invention below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.In the following examples, the experimental methods for specific conditions are not specified, according to conventional methods and conditions, or according to quotient
Product specification selects.
In following embodiments, primary raw material and instrument used are as follows：
PTW toughener, Ethylene-butyl acrylate-glycidyl methacrylate, DuPont Corporation's production.
ABS resin, Acrylnitrile-Butadiene-Styrene, the present invention specifically use Qimei Industry Co., Ltd.
The ABS of the model PA-757 of production.
PC resin, makrolon are specific to use the trade mark of Bayer Bitterfeld GmbH Cohan creation production for the poly- carbon of the bisphenol A-type of PC2805
Acid esters.
Luminescent powder, the bluish-green rare earth using the model YD of credit Dexing Science and Technology Ltd. of Shenzhen production are light-accumulating luminous
Powder, grain size are 5 μm.
Graphene oxide, model JCGO-98-1-75 are bought from Nanjing Ji Cang nanosecond science and technology Co., Ltd.
Irgasfos 168, phosphorous acid three (2,4- di-tert-butyl-phenyl) ester, No. CAS：31570-04-4.
Pentaerythritol stearate, No. CAS：115-83-3.
Repefral, No. CAS：131-11-3.
Dibutyl sebacate, No. CAS：109-43-3.
Metastannic acid, No. CAS：13472-47-4.
Metasilicate pentahydrate sodium, No. CAS：10213-79-3, technical grade Grade A execute standard HG/T 2568-2008.
Organobentonite, grain size：400 mesh, model BP188B execute standard：HG/T2248-91 is bought from Zhejiang Ward
New material Co., Ltd.
Talcum powder, 1000 mesh of grain size, model MJ-TCHS, the production of Suzhou Ming Jiang Fine Chemical Co., Ltd.
Medical stone powder, 100 mesh of grain size, density：2.51g/cm3, dioxide-containing silica：68.1%, alundum (Al2O3) content：
15.4%, place of production Hebei.
Zinc oxide, No. CAS：1314-13-2,600 mesh.
Sodium metasilicate uses Na2SiO3·9H2O。Na2O content：19.3%-22.8%, Na2O and SiO2The ratio between content：
1.03 ± 0.03, it buys from Laiyang economic development zone Fine Chemical Works.
Aluminum sulfate, No. CAS：10043-01-3,100 mesh.
Ascorbic acid, No. CAS:50-81-7.
Citric acid, No. CAS：77-92-9.
Ball mill, model Simoloyer CM20, grinding storehouse count 20L, a diameter of 4.875mm of ball milling stainless steel ball.
In following embodiments, used test method and key instrument are as follows：
Notch impact strength is tested：It is tested according to GB/T1043.1-2008, in XJJD type shock machines (Chengde
Jin Jian detecting instruments Co., Ltd produce) on carry out simply supported beam notch shock test, specimen size be 80mm × 10mm × 4mm,
The notch type A that notch is depth 2mm, indentations bottom radius is 0.25mm.
PC/ABS alloy scratch resistant performance tests：PC/ABS alloy Shooting Techniques：Injection temperature is 250 DEG C, mold temperature
It is 80 DEG C, injection pressure 10MPa, injection speed 55cm3/ s, the specimen size being molded be 210mm × 140mm ×
3mm.With reference to testing standard：ASTM D 7027-2005 refer to more and scrape experimental machine (710 types of Taber, Taber companies of the U.S.)
Scraping tip material is stainless steel, a diameter of 1mm, and test institute loading is 15N, scraping speed 100mm/s, and scratch length is
100mm.Scraping and wiping resistance performance is characterized with average scratches width.
PC/ABS alloy limit oxygen index is tested：It is tested according to GB/T 2406.2-2009, specimen size 100mm
× 6.5mm × 3mm, it is JF-3 type oxygen index (OI)s tester (production of analytical instrument factory of Jiangning, Nanjing area) to test the instrument used.
It is further illustrated the present invention below by the mode of embodiment, unless otherwise specified, used number is attached most importance to
Measure number.
Embodiment 1
A kind of night-television machine special plastic, including following components in parts by weight：150 parts of ABS resins, 75 parts of PC resins,
20 parts of luminescent powders, 15 parts of scratch resistance liniments, 8 parts of antioxidant, 5 parts of pentaerythritol stearates, 5 parts of PTW toughener, 3 parts of adjacent benzene two
Formic acid dimethyl ester, 5 parts of dibutyl sebacates, 1.5 parts of metastannic acids.
The antioxidant is irgasfos 168.
The preparation method of the scratch resistance liniment is as follows：By 30g metasilicate pentahydrate sodiums be added 5000g water in, 45 DEG C, with
200 revs/min of rotating speed stirs 40 minutes, and 500g mixtures are added, and 120 points are stirred at 45 DEG C, with 200 revs/min of rotating speed
Clock obtains mixture A, and mixture A is poured into ball mill, at 25 DEG C, with 500 revs/min of rotating speed ball milling 8 hours, obtains
Mixture B is crossed 1000 mesh sieve by mixture B, and filter cake is 24 hours dry at 45 DEG C, obtains scratch resistance liniment, the mixture is
Organobentonite, talcum powder, medical stone powder are 1 in mass ratio：3：1 mixture.
The processing method of the night-television machine special plastic is as follows：Each raw material is weighed by weight, is thrown after mixing
Enter in double screw extruder, through melt blending extruding pelletization to obtain the final product.Double screw extruder used is divided into 9 sections, set temperature point
Wei not be 180 DEG C, 200 DEG C, 210 DEG C, 230 DEG C, 235 DEG C, 240 DEG C, 245 DEG C, 250 DEG C, 240 DEG C, main-machine screw rotating speed is 200r/
Min, head temperature are 240 DEG C.
Embodiment 2
It is substantially the same manner as Example 1, it differs only in：In the present embodiment 2, the preparation method of the scratch resistance liniment is as follows：
30g metasilicate pentahydrate sodiums are added in 5000g water, is stirred 40 minutes at 45 DEG C, with 200 revs/min of rotating speed, it is mixed that 500g is added
Material is closed, is stirred 120 minutes at 45 DEG C, with 200 revs/min of rotating speed, is obtained mixture A, mixture A is poured into ball mill,
At 25 DEG C, with 500 revs/min of rotating speed ball milling 8 hours, obtain mixture B, mixture B crossed into 1000 mesh sieve, by filter cake 45
DEG C dry 24 hours, scratch resistance liniment is obtained, the mixture is that organobentonite, talcum powder, medical stone powder are 3 in mass ratio：
1：1 mixture.
Embodiment 3
It is substantially the same manner as Example 1, it differs only in：In the present embodiment 3, the preparation method of the scratch resistance liniment is as follows：
30g metasilicate pentahydrate sodiums are added in 5000g water, is stirred 40 minutes at 45 DEG C, with 200 revs/min of rotating speed, it is mixed that 500g is added
Material is closed, is stirred 120 minutes at 45 DEG C, with 200 revs/min of rotating speed, is obtained mixture A, mixture A is poured into ball mill,
At 25 DEG C, with 500 revs/min of rotating speed ball milling 8 hours, obtain mixture B, mixture B crossed into 1000 mesh sieve, by filter cake 45
DEG C dry 24 hours, scratch resistance liniment is obtained, the mixture is that organobentonite, talcum powder, medical stone powder are 1 in mass ratio：
1：3 mixture.
Embodiment 4
A kind of night-television machine special plastic, including following components in parts by weight：150 parts of ABS resins, 75 parts of PC resins,
20 parts of luminescent powders, 15 parts of scratch resistance liniments, 8 parts of antioxidant, 5 parts of pentaerythritol stearates, 5 parts of PTW toughener, 15 parts of modified oxygen
Change zinc, 3 parts of repefrals, 5 parts of dibutyl sebacates, 1.5 parts of metastannic acids.
The antioxidant is irgasfos 168.
The preparation method of the scratch resistance liniment is as follows：By 30g metasilicate pentahydrate sodiums be added 5000g water in, 45 DEG C, with
200 revs/min of rotating speed stirs 40 minutes, and 500g mixtures are added, and 120 points are stirred at 45 DEG C, with 200 revs/min of rotating speed
Clock obtains mixture A, and mixture A is poured into ball mill, at 25 DEG C, with 500 revs/min of rotating speed ball milling 8 hours, obtains
Mixture B is crossed 1000 mesh sieve by mixture B, and filter cake is 24 hours dry at 45 DEG C, obtains scratch resistance liniment, the mixture is
Organobentonite, talcum powder, medical stone powder are 3 in mass ratio：1：1 mixture.
The preparation method of the modified zinc oxide is as follows：80g zinc oxide is added in 500g water, in 60 DEG C of ultrasonic disperses
It obtains slurry within 40 minutes, ultrasonic frequency 20KHz, power 350W, is added a concentration of 0.05mol/L's of 8g into slurry
Sodium silicate aqueous solution uses the sodium hydrate aqueous solution of 1mol/L to adjust pH value to 10,75 DEG C is warming up to, 75 after mixing
DEG C, stirred 3 hours with 200 revs/min of rotating speed, with the salt acid for adjusting pH of 2mol/L to 8.5,12g aluminum sulfate, 0.2g hydrogen is added
Sodium oxide molybdena continues to stir 3 hours at 75 DEG C, with 200 revs/min of rotating speed, then uses the salt acid for adjusting pH of 2mol/L to 7.0,
Stop stirring, be cooled to 35 DEG C, be aged 2 hours at 35 DEG C, crosses 800 mesh sieve, it is 5 hours dry at 100 DEG C, smash it through 1000 mesh
Sieve, obtains modified zinc oxide.
The processing method of the night-television machine special plastic is as follows：Each raw material is weighed by weight, is thrown after mixing
Enter in double screw extruder, through melt blending extruding pelletization to obtain the final product.Double screw extruder used is divided into 9 sections, set temperature point
Wei not be 180 DEG C, 200 DEG C, 210 DEG C, 230 DEG C, 235 DEG C, 240 DEG C, 245 DEG C, 250 DEG C, 240 DEG C, main-machine screw rotating speed is 200r/
Min, head temperature are 240 DEG C.
Embodiment 5
A kind of night-television machine special plastic, including following components in parts by weight：150 parts of ABS resins, 75 parts of PC resins,
20 parts of luminescent powders, 15 parts of scratch resistance liniments, 8 parts of antioxidant, 5 parts of pentaerythritol stearates, 5 parts of PTW toughener, 15 parts of modified oxygen
Change zinc, 12 parts of modified graphene oxides, 3 parts of repefrals, 5 parts of dibutyl sebacates, 1.5 parts of metastannic acids.
The antioxidant is irgasfos 168.
The preparation method of the scratch resistance liniment is as follows：By 30g metasilicate pentahydrate sodiums be added 5000g water in, 45 DEG C, with
200 revs/min of rotating speed stirs 40 minutes, and 500g mixtures are added, and 120 points are stirred at 45 DEG C, with 200 revs/min of rotating speed
Clock obtains mixture A, and mixture A is poured into ball mill, at 25 DEG C, with 500 revs/min of rotating speed ball milling 8 hours, obtains
Mixture B is crossed 1000 mesh sieve by mixture B, and filter cake is 24 hours dry at 45 DEG C, obtains scratch resistance liniment, the mixture is
Organobentonite, talcum powder, medical stone powder are 3 in mass ratio：1：1 mixture.
The preparation method of the modified zinc oxide is as follows：80g zinc oxide is added in 500g water, in 60 DEG C of ultrasonic disperses
It obtains slurry within 40 minutes, ultrasonic frequency 20KHz, power 350W, is added a concentration of 0.05mol/L's of 8g into slurry
Sodium silicate aqueous solution uses the sodium hydrate aqueous solution of 1mol/L to adjust pH value to 10,75 DEG C is warming up to, 75 after mixing
DEG C, stirred 3 hours with 200 revs/min of rotating speed, with the salt acid for adjusting pH of 2mol/L to 8.5,12g aluminum sulfate, 0.2g hydrogen is added
Sodium oxide molybdena continues to stir 3 hours at 75 DEG C, with 200 revs/min of rotating speed, then uses the salt acid for adjusting pH of 2mol/L to 7.0,
Stop stirring, be cooled to 35 DEG C, be aged 2 hours at 35 DEG C, crosses 800 mesh sieve, it is 5 hours dry at 100 DEG C, smash it through 1000 mesh
Sieve, obtains modified zinc oxide.
The preparation method of the modified graphene oxide is as follows：100g graphene oxides, 20g modifying agent are added to 300g
In water, in 60 DEG C of ultrasonic disperses 120 minutes, ultrasonic frequency 20KHz, power 350W, then with 5000 revs/min of turn
Speed centrifugation 50 minutes, takes the precipitation after centrifugation, 12 hours dry at 50 DEG C, by dry products therefrom under helium protection, 750
DEG C sintering 2 hours, obtains modified graphene oxide, the modifying agent is ascorbic acid.
The processing method of the night-television machine special plastic is as follows：Each raw material is weighed by weight, is thrown after mixing
Enter in double screw extruder, through melt blending extruding pelletization to obtain the final product.Double screw extruder used is divided into 9 sections, set temperature point
Wei not be 180 DEG C, 200 DEG C, 210 DEG C, 230 DEG C, 235 DEG C, 240 DEG C, 245 DEG C, 250 DEG C, 240 DEG C, main-machine screw rotating speed is 200r/
Min, head temperature are 240 DEG C.
Embodiment 6
It is substantially the same manner as Example 5, it differs only in：In the present embodiment 6, the preparation method of the modified graphene oxide
It is as follows：100g graphene oxides, 20g modifying agent are added in 300g water, in 60 DEG C of ultrasonic disperses 120 minutes, ultrasonic wave frequency
Rate is 20KHz, power 350W, is then centrifuged 50 minutes with 5000 revs/min of rotating speed, the precipitation after centrifugation is taken, at 50 DEG C
It is 12 hours dry, dry products therefrom is sintered 2 hours under helium protection, at 750 DEG C, obtains modified graphene oxide, institute
It is citric acid to state modifying agent.
Embodiment 7
It is substantially the same manner as Example 5, it differs only in, in the present embodiment 7, the preparation method of the modified graphene oxide
It is as follows：100g graphene oxides, 20g modifying agent are added in 300g water, in 60 DEG C of ultrasonic disperses 120 minutes, ultrasonic wave frequency
Rate is 20KHz, power 350W, is then centrifuged 50 minutes with 5000 revs/min of rotating speed, the precipitation after centrifugation is taken, at 50 DEG C
It is 12 hours dry, dry products therefrom is sintered 2 hours under helium protection, at 750 DEG C, obtains modified graphene oxide, institute
It is 1 in mass ratio that state modifying agent, which be ascorbic acid and citric acid,：3 mixture.
Comparative example 1
A kind of night-television machine special plastic, including following components in parts by weight：150 parts of ABS resins, 75 parts of PC resins,
20 parts of luminescent powders, 8 parts of antioxidant, 5 parts of pentaerythritol stearates, 5 parts of PTW toughener, 3 parts of repefrals, 5 parts
Dibutyl sebacate, 1.5 parts of metastannic acids.
The antioxidant is irgasfos 168.
The processing method of the night-television machine special plastic is as follows：Each raw material is weighed by weight, is thrown after mixing
Enter in double screw extruder, through melt blending extruding pelletization to obtain the final product.Double screw extruder used is divided into 9 sections, set temperature point
Wei not be 180 DEG C, 200 DEG C, 210 DEG C, 230 DEG C, 235 DEG C, 240 DEG C, 245 DEG C, 250 DEG C, 240 DEG C, main-machine screw rotating speed is 200r/
Min, head temperature are 240 DEG C.
Comparative example 2
It is substantially the same manner as Example 4, it differs only in：In this comparative example 2, the preparation method of the modified zinc oxide is such as
Under：80g zinc oxide is added in 500g water, in 60 DEG C of ultrasonic disperses 40 minutes, ultrasonic frequency 20KHz, power is
350W obtains slurry, and the sodium silicate aqueous solution of a concentration of 0.05mol/L of 8g is added into slurry, uses 1mol/L after mixing
Sodium hydrate aqueous solution adjust pH value to 10, be warming up to 75 DEG C, stir 3 hours, use at 75 DEG C, with 200 revs/min of rotating speed
The salt acid for adjusting pH of 2mol/L stops stirring, is cooled to 35 DEG C, is aged 2 hours at 35 DEG C to 8.5,800 mesh sieve is crossed, by filter cake
It is 5 hours dry at 100 DEG C, 1000 mesh sieve is smashed it through, modified zinc oxide is obtained.
Comparative example 3
It is substantially the same manner as Example 4, it differs only in：In this comparative example 3, the preparation method of the modified zinc oxide is such as
Under：80g zinc oxide is added in 500g water, in 60 DEG C of ultrasonic disperses 40 minutes, ultrasonic frequency 20KHz, power is
350W obtains slurry, adjusts pH value to 8.5 with the sodium hydrate aqueous solution of 1mol/L, is warming up to 75 DEG C, be added 12g aluminum sulfate,
0.2g sodium hydroxides are stirred 3 hours at 75 DEG C, with 200 revs/min of rotating speed, with the salt acid for adjusting pH of 2mol/L to 7.0, are stopped
It only stirs, is cooled to 35 DEG C, be aged 2 hours at 35 DEG C, cross 800 mesh sieve, filter cake is 5 hours dry at 100 DEG C, it smashes it through
1000 mesh sieve, and obtain modified zinc oxide.
Measure of merit
Notch impact strength, wear-resisting property and flame retardant property test are carried out to the night-television machine special plastic of the present invention,
Test result is shown in Table 1.
Table 1：
The present invention night-television machine special plastic material be the PC containing modified filler ABS alloy, have good punching
Hit toughness, wear-resisting scratch resistance and anti-flammability.Pass through the ratio to organobentonite, talcum powder, medical stone in scratch resistance liniment
It carries out preferably, improving the scraping and wiping resistance performance of plastics, shock resistance and flame retardant property are also improved.Surface is coated and is aoxidized
Silicon, alumina modified zinc oxide, which are added in plastics, further improves above-mentioned performance.Modified graphite oxide is added in plastics
Alkene has good flame retardant property, scratch resistant performance.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. a kind of night-television machine special plastic, which is characterized in that including following components in parts by weight：100-300 parts of ABS trees
Fat, 50-100 part PC resin, 15-30 parts of luminescent powders, 5-35 parts of scratch resistance liniments, 5-15 parts of antioxidant, 3-9 parts of pentaerythrites are stearic
Acid esters, 2-6 parts of PTW toughener, 3-9 parts of repefrals, 3-9 parts of dibutyl sebacates, 1-5 parts of metastannic acids.
2. a kind of night-television machine special plastic, which is characterized in that including following components in parts by weight：100-300 parts of ABS trees
Fat, 50-100 part PC resin, 15-30 parts of luminescent powders, 5-35 parts of scratch resistance liniments, 5-15 parts of antioxidant, 3-9 parts of pentaerythrites are stearic
Acid esters, 2-6 parts of PTW toughener, 10-30 parts of modified zinc oxides, 3-9 parts of repefrals, 3-9 parts of two fourths of decanedioic acid
Ester, 1-5 part metastannic acid.
3. a kind of night-television machine special plastic, which is characterized in that including following components in parts by weight：100-300 parts of ABS trees
Fat, 50-100 part PC resin, 15-30 parts of luminescent powders, 5-35 parts of scratch resistance liniments, 5-15 parts of antioxidant, 3-9 parts of pentaerythrites are stearic
Acid esters, 2-6 parts of PTW toughener, 10-30 parts of modified zinc oxides, 6-18 parts of modified graphene oxides, 3-9 parts of phthalic acids two
Methyl esters, 3-9 part dibutyl sebacate, 1-5 parts of metastannic acids.
4. the night-television machine special plastic according to claim any one of 1-3, which is characterized in that the scratch resistance liniment
Preparation method it is as follows：By 15-60g metasilicate pentahydrate sodiums be added 2000-6000g water in, 25-50 DEG C, with 100-500 turn/
The rotating speed of minute stirs 20-60 minutes, and 250-750g mixtures are added, are stirred at 25-50 DEG C, with 100-300 revs/min of rotating speed
It mixes 60-300 minutes, obtains mixture A, mixture A is poured into ball mill, at 20-40 DEG C, with 200-800 revs/min of turn
Fast ball milling 4-12 hours, mixture B is obtained, mixture B is crossed into 800-2000 mesh sieve, filter cake is small in 30-70 DEG C of dry 12-36
When, scratch resistance liniment is obtained, the mixture is that organobentonite, talcum powder, medical stone powder are (1-3) in mass ratio：(1-3)：
The mixture of (1-3).
5. night-television machine special plastic according to claim 2 or 3, which is characterized in that the system of the modified zinc oxide
Preparation Method is as follows：30-120g zinc oxide is added in 300-800g water, in 30-60 DEG C of ultrasonic disperse 20-80 minutes, ultrasound
Wave frequency rate is 20-50KHz, and power 200-800W obtains slurry, is added a concentration of 0.03-3mol/L's of 3-12g into slurry
Sodium silicate aqueous solution uses the sodium hydrate aqueous solution of 0.5-5mol/L to adjust pH value to 9-11, is warming up to 65-80 after mixing
DEG C, it is stirred 1-5 hours at 65-80 DEG C, with 100-500 revs/min of rotating speed, with the salt acid for adjusting pH of 1-5mol/L to 7.5-
8.5,5-15g aluminum sulfate, 0.1-1g sodium hydroxides is added, continues to stir 1- at 65-80 DEG C, with 100-500 revs/min of rotating speed
It 5 hours, then uses the salt acid for adjusting pH of 1-5mol/L to 6.2-7.3, stops stirring, be cooled to 20-40 DEG C, it is old at 20-40 DEG C
Change 1-5 hours, crosses 600-1200 mesh sieve, it is 3-12 hours dry at 80-120 DEG C, it then crushes, cross 1000-2000 mesh sieve, obtain
Modified zinc oxide.
6. night-television machine special plastic according to claim 3, which is characterized in that the system of the modified graphene oxide
Preparation Method is：50-150g graphene oxides, 5-30g modifying agent are added in 200-800g water, in 40-70 DEG C of ultrasonic disperse
60-300 minutes, ultrasonic frequency 20-50KHz, power 200-800W, centrifugation took the precipitation after centrifugation, dry, will do
Dry products therefrom is sintered 1-5 hours under helium protection, at 600-800 DEG C, obtains modified graphene oxide, the modifying agent is
Ascorbic acid and/or citric acid.
7. the night-television machine special plastic according to claim any one of 1-3, which is characterized in that the antioxidant
For one kind in irgasfos 168, antioxidant 1010, antioxidant 1076.
8. night-television machine special plastic according to claim 6, which is characterized in that the centrifugation is with 5000-20000
Rev/min rotating speed centrifuge 30-120 minutes.
9. night-television machine special plastic according to claim 6, which is characterized in that the drying is done at 40-70 DEG C
It is 6-24 hours dry.
10. the processing method according to any one of the claim 1-9 night-television machine special plastics is as follows：It weighs by weight
Each raw material is put into double screw extruder after mixing, and to obtain the final product through melt blending extruding pelletization, double screw extruder used is total
Divide 9 sections, set temperature is respectively 170-185 DEG C, 195-210 DEG C, 200-220 DEG C, 200-240 DEG C, 230-240 DEG C, 235-
245 DEG C, 240-250 DEG C, 240-260 DEG C, 225-245 DEG C, main-machine screw rotating speed is 50-500r/min, head temperature 220-
250℃。
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| CN114834060A (en) * | 2022-05-16 | 2022-08-02 | 长虹美菱股份有限公司 | Preparation process of luminous handle and refrigerator |
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| CN111484721A (en) * | 2019-12-20 | 2020-08-04 | 四川鑫达企业集团有限公司 | Low-temperature impact resistant PC/ABS composite material and preparation method thereof |
| CN111690245B (en) * | 2020-07-17 | 2022-04-01 | 合肥科拜尔新材料股份有限公司 | Wear-resistant and damp-heat resistant PC/ABS material and preparation method thereof |
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| WO2014171322A1 (en) * | 2013-04-19 | 2014-10-23 | 住友大阪セメント株式会社 | Silicon-oxide-coated zinc oxide and method for manufacturing same, silicon-oxide-coated-zinc-oxide-containing composition, and cosmetic |
| CN105152200A (en) * | 2015-07-20 | 2015-12-16 | 苏州宇希新材料科技有限公司 | Silicon deposition modified nano zinc oxide inorganic powder material |
| CN105566880A (en) * | 2015-12-15 | 2016-05-11 | 安徽瑞研新材料技术研究院有限公司 | Matt PC/ABS (polycarbonate/acrylonitrile-butadiene-styrene) composite material |
| CN106280368B (en) * | 2016-08-18 | 2018-08-03 | 上海锦湖日丽塑料有限公司 | A kind of high scratch resistance PC/ABS alloy materials of high surface hardness and preparation method thereof |
| CN107603260A (en) * | 2017-11-03 | 2018-01-19 | 贵州高塑环保新材料有限公司 | Environmental protection flame retardant graphene oxide is modified PC composites and preparation method thereof |
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