CN110437576A - A kind of nanometer environmental protection exempts from sprayed on material and preparation method thereof - Google Patents
A kind of nanometer environmental protection exempts from sprayed on material and preparation method thereof Download PDFInfo
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- CN110437576A CN110437576A CN201910727665.5A CN201910727665A CN110437576A CN 110437576 A CN110437576 A CN 110437576A CN 201910727665 A CN201910727665 A CN 201910727665A CN 110437576 A CN110437576 A CN 110437576A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
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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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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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- Polymers & Plastics (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of nanometer environmental protections to exempt from sprayed on material and preparation method thereof, including following component: polymer based resins 80-90wt%；Compatilizer 2-10wt%, toughener 2-10wt%, antioxidant 0.4-0.6wt%, processing aid 0.5-1.0wt%, nano metal toner 1.0-5wt%；Wherein then metal toner processing method is dried the following steps are included: step 1: using alkali cleaning metal toner surface and oil contaminant；Step 2: forming nano-pore, then clean, drying for standby using Acids eat metals powder surface；Step 3: the metal toner handled well using surface treating agent cladding, dry, nano metal toner is obtained.All materials are puddled uniformly by high-speed mixer, and melting extrusion together is added by main feeding and is granulated, is prepared with special flicker effect polymer material.What the nanometer environmental protection exempted from that sprayed on material and preparation method thereof is prepared has the special aesthetic effects such as obvious metal-like with special flicker effect polymer material, substantially increases the market application range for exempting from sprayed on material.
Description
Technical field
The present invention relates to resin combination preparation technical field, specially a kind of nanometer environmental protection exempt from sprayed on material and its
Preparation method.
Background technique
As people increasingly pay attention to and pay close attention to environmental problem, stringent household electrical appliances environmental regulation etc. has been put into effect in countries in the world
Under overall situation, in addition the embodiment of corporate social responsibility, exempts from sprayed on material product and just gradually shows its competitiveness, exempt from spraying aesthetic
Resin can replicate the special effects such as gorgeous colorful tone and pearly-lustre, flash effect, metallic luster and the texture that spray painting is produced
Fruit, so that meeting product design trend is differentiation, personalization, diversification, differential customer demand, and in production process
In can really reduce production procedure, improve yield rate, realize energy-saving and emission-reduction, can be widely applied to craftwork, toy, household electrical appliances,
The fields such as automobile, electronic product, sports goods and office appliance.
From the perspective of environmental protection and health control, unquestionably exempting from sprayed-on polymeric materials is to have overwhelming dominance
's.Remove the process of spray painting from, can effectively control the generation of VOC, environment, human health are all advantageous.
From the perspective of cost, though it is higher to exempt from sprayed product price, in forming process, remove paint spraying mistake from
Journey 100% can recycle in addition, and for comprehensive, compared to spray painting product, cost has dropped 20-30%.
From raw material, formula, mold design to Shooting Technique, industrial chain upstream and downstream, which is actively developed, exempts to spray relevant technology
And technical study, it has greatly facilitated and has exempted from spraying technology in the application of every field and popularize.
But in coating of the substitution using special effect pigments, large-scale application can be not yet obtained, is mainly had following
Fine solution is not yet received in technological difficulties:
1) metallic pigments are shredded in extrusion process, are bent, glossiness declines, and cause product colour to shade, metallic
Feel poor, the color appearance effect for the coating that can not match in excellence or beauty.
2) in injection moulding process, since metallic pigments and resin compatible, poor dispersion, flow field arrange metallic pigments
It influences, to keep product surface partially dark or current mark occur.
3) bonding wire caused by product structure and mould gate unreasonable structure and arrangement shades.
Summary of the invention
The purpose of the present invention is to provide a kind of nanometer environmental protections to exempt from sprayed on material and preparation method thereof, above-mentioned to solve
Existing problem is proposed in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of nanometer environmental protection exempt from sprayed on material and its
Preparation method, it is characterised in that: the material component including following mass percent:
Preferably, the fluoropolymer resin is acrylonitrile-butadiene-styrene copolymer ABS, methyl methacrylate-
Butadiene-styrene copolymer MABS, acrylonitritrile-styrene resin AS, polypropylene-ethylene copolymer, polycarbonate gather
One or more of amide nylon mixture.
Preferably, the compatilizer is silicon-acrylic copolymer, the styrene-grafted maleic anhydride, benzene second of core-shell structure
Alkene-acrylate copolymer, ethylene-acrylic acid-methacrylate copolymers, ethylene-acrylic acid copolymer it is one or more.
Preferably, the toughener be high glue powder, Ethylene-butyl Acrylate-methacrylic Acid Glycerin Ester Copolymer,
The methyl methacrylate-butadiene-styrene graft copolymer of core-shell structure, ethylene-octene-maleic acid glycosides copolymer one
Kind is several.
Preferably, the antioxidant is primary antioxidant four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] Ji Wusi
Alcohol ester, β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester；Auxiliary antioxidant three [2.4- di-tert-butyl-phenyl]
Phosphite ester, bis- (2,4- di-tert-butyl-phenyl) pentaerythritol diphosphites it is one or more, major-minor antioxidant press quality
The mixture that the ratio between percentage is 1: 1.
Preferably, the processing aid is stearic acid pentaerythritol ester, stearic acid, calcium stearate, lignite wax contain polyester
One or more mixtures mixed in any proportion of structure long-chain alcohol ester.
Preferably, the metal powder partial size be 50-300 micron, it is one or more with a thickness of 2-10 microns, surface by with
Lower nanometer cladding processing:
A: metal powder surface, oil removing, the alkali are as follows: sodium carbonate, anhydrous sodium metasilicate, dodecyl sulphate are cleaned using alkali
The mixed liquor of sodium and water, the mass percent of the sodium carbonate are 0.1-0.3%, the mass percent of the anhydrous sodium metasilicate
For 0.1-0.2%, the mass percent of the lauryl sodium sulfate is 0.6-0.8%.Metal powder surface grease is removed, is impregnated
Time 1-2min, 60-80 DEG C of temperature, distilled water cleaning is spare.
B: the metal powder that step A is obtained carries out the processing of surface microcorrosion, the microcorrosion reagent are as follows: sodium hydroxide, nothing
The mixed liquor of water sodium metasilicate, sodium dihydrogen phosphate and water, the mass percent of the sodium hydroxide are 1.0-1.2%, the nothing
The mass percent of water sodium metasilicate is 0.2-0.3%, and the mass percent of the sodium dihydrogen phosphate is 0.1-0.3%.It impregnates
Time 1min, 50-70 DEG C of temperature, distilled water cleaning is spare.
C: crossing neutralization for the obtained metal powder of step B, impregnates 30s at normal temperature, and the neutralization reagent is sulfuric acid, chlorination
The mixed liquor of iron, nitric acid and water, the concentration of the sulfuric acid are 98%, mass percent 3-5%, the quality of the iron chloride
Percentage is 1-3%, and the concentration of the nitric acid is 65%, and mass percent 30-35%, distilled water cleans 2 times, and drying is standby
With.
D: the metal powder that step C is obtained carries out cladding processing, the covering are as follows: stearic acid pentaerythritol ester, tristearin
Acid, calcium stearate, lignite wax contain one of polyester construction long-chain alcohol ester or a variety of, and 150-180 DEG C DEG C of temperature, nitrogen atmosphere
Protection, is stirred under vacuum 10-30min, and vacuum drying is ground into the little particle of partial size 1-3mm, packages spare.
Preferably, the production technology is as follows, as shown in Figure 1:
Step 1: toughener, compatilizer and processing aid etc. are sequentially placed into high-speed mixer by antioxidant, main material, toner
In stir evenly, mixing speed 200r/min, mixing time 2-4min；This partial material is added by main feeding；
Step 2: the metal powder particles handled well are added by side feed material；
Step 3: the material that above-mentioned two mix is sequentially added in the hopper of main feed hopper and side feed material, it is put into double
Screw extruder carries out extruding pelletization；Pellet feeding section extrusion temperature are as follows: 170-190 DEG C, fluxing zone extrusion temperature are as follows: 200-
260 DEG C, melt conveying zone extrusion temperature are as follows: 190-260 DEG C, head temperature are as follows: 210-260 DEG C, true when extruding pelletization is processed
Reciprocal of duty cycle is 0.6MPa-0.8MPa.
Compared with prior art, beneficial effects of the present invention are as follows: the program, by carrying out nanometer to metal pigment surfaces
Pore processing and multilayer package are handled, using functional modification technology and advanced extrusion process, so that material appearance
Better effect, the obtained aesthetics effect for having obvious metal-like etc. special with special flicker effect polymer material
Fruit substantially increases the market application range for exempting from sprayed on material.
Detailed description of the invention
Fig. 1 is present invention process flow diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In embodiment 1-5, matrix resin is the ternary of methyl methacrylate (M), butadiene (B) and styrene (S)
Copolymer MABS, trade mark TR558, LG Chemical Co., Ltd.；Polypropylene-ethylene copolymer, trade mark PP307, Borouge chemical industry；It is poly-
Carbonic ester, trade mark PC1100, surprise beautification work；Compatilizer is silicon-acrylic copolymer of core-shell structure, trade mark S2200, Mitsubishi
It is beautiful sun (Shanghai) Management Co., Ltd, or be ethylene ethyl acrylate, the trade mark EEA, Japanese You Nika, or be ethylene-the third
Alkene-maleic acid glycosides copolymer, trade mark XB1008, the new nation in Guangzhou；Toughener is 60 microns of partial size, 50% high glue powder of glue content, board
Number be MAG50, Ben Ling high molecular material Co., Ltd；Antioxidant are as follows: [β-(3, the 5- di-t-butyl -4- hydroxy benzenes of primary antioxidant four
Base) propionic acid] pentaerythritol ester, the trade mark 1010, Ciba；Bis- (2, the 4- di-tert-butyl-phenyl) pentaerythrites two of auxiliary antioxidant
Phosphite ester, the trade mark 6280, Chemical Co., Ltd., Songyuan City, South Korea, major-minor antioxidant are 1: 1 mixing the ratio between by weight percent
Object；Processing aid is the hyper-dispersant containing polyester construction long-chain alcohol ester, the limited public affairs of trade mark DP330, Lu Borun special type chemical industry
Department or stearic acid pentaerythritol ester, the trade mark PETS, Long Sha；Metal powder partial size is 50-300 microns, micro- with a thickness of 2-10
Rice, the trade mark 150 is commercially available, by the Nano-150 for the trade mark that nanosizing is handled.
In embodiment 1-5, a kind of nanometer environmental protection exempts from the preparation of sprayed on material, using 65 pairs of the production of Rhea company
Screw extruder production.
Embodiment 1
By the MABS TR558, the MBS722 of 4.0 parts by weight, the MAG50 of 5.0 parts by weight of 88.1 parts by weight, 0.4 parts by weight
Composite antioxidant, the processing aid DP330 of 0.5 parts by weight；The metal powder Nano-150 of 2 parts by weight；In super mixer
Said components are uniformly mixed by Fig. 1 process route at room temperature, are produced later in double screw extruder.Processing conditions: material
Puddle revolving speed are as follows: 200 revs/min；One Qu Wendu: 180 DEG C, two area's temperature: 200 DEG C, three Qu Wendu: 210 DEG C, four Qu Wendu:
210 DEG C, five Qu Wendu: 220 DEG C, six Qu Wendu: 220 DEG C, seven area's temperature: 210 DEG C, eight area's temperature: 210 DEG C, nine Qu Wendu:
220 DEG C, engine speed: 400 revs/min.
Embodiment 2
By the MABS TR558, the MBS722 of 8.0 parts by weight, the MAG50 of 7.0 parts by weight of 79.7 parts by weight, 0.6 parts by weight
Composite antioxidant, the processing aid DP330 of 0.7 parts by weight；, the metal powder Nano-150 of 3 parts by weight；In super mixer
Said components are uniformly mixed by Fig. 1 process route at room temperature, are produced later in double screw extruder.Processing conditions: material
Puddle revolving speed are as follows: 200 revs/min；One Qu Wendu: 180 DEG C, two area's temperature: 200 DEG C, three Qu Wendu: 210 DEG C, four Qu Wendu:
210 DEG C, five Qu Wendu: 220 DEG C, six Qu Wendu: 220 DEG C, seven area's temperature: 210 DEG C, eight area's temperature: 210 DEG C, nine Qu Wendu:
220 DEG C, engine speed: 400 revs/min.
Embodiment 3
By the PC1100 of 92 parts by weight, the MBS722 of 3.0 parts by weight, the EEA of 3.0 parts by weight, the compound of 0.6 parts by weight resists
Oxygen agent, the processing aid PETS of 0.4 parts by weight；The metal powder Nano-150 of 1 parts by weight；By said components in super mixer
It is uniformly mixed by Fig. 1 process route, is produced later in double screw extruder at room temperature.Processing conditions: material puddles revolving speed are as follows:
200 revs/min；One Qu Wendu: 240 DEG C, two area's temperature: 260 DEG C, three Qu Wendu: 260 DEG C, four Qu Wendu: 260 DEG C, five Qu Wen
Degree: 260 DEG C, six Qu Wendu: 260 DEG C, seven area's temperature: 250 DEG C, eight area's temperature: 250 DEG C, nine Qu Wendu: 260 DEG C, host turns
Speed: 400 revs/min.
Embodiment 4
By the PC1100 of 88 parts by weight, the MBS722 of 5.0 parts by weight, the EEA of 3.0 parts by weight, the compound of 0.6 parts by weight resists
Oxygen agent, the processing aid PETS of 0.4 parts by weight；The metal powder Nano-150 of 3 parts by weight；By said components in super mixer
It is uniformly mixed by Fig. 1 process route, is produced later in double screw extruder at room temperature.Processing conditions: material puddles revolving speed are as follows:
200 revs/min；One Qu Wendu: 240 DEG C, two area's temperature: 260 DEG C, three Qu Wendu: 260 DEG C, four Qu Wendu: 260 DEG C, five Qu Wen
Degree: 260 DEG C, six Qu Wendu: 260 DEG C, seven area's temperature: 250 DEG C, eight area's temperature: 250 DEG C, nine Qu Wendu: 260 DEG C, host turns
Speed: 400 revs/min.
Embodiment 5
By the PP307 of 91 parts by weight, the XB1008 of 4.0 parts by weight, the composite antioxidant of 0.4 parts by weight, 0.6 parts by weight
Processing aid DP330；The metal powder Nano-150 of 4 parts by weight；Said components are pressed to Fig. 1 work at room temperature in super mixer
Skill route is uniformly mixed, and is produced later in double screw extruder.Processing conditions: material puddles revolving speed are as follows: 200 revs/min；One area
Temperature: 180 DEG C, two area's temperature: 200 DEG C, three Qu Wendu: 210 DEG C, four Qu Wendu: 210 DEG C, five Qu Wendu: 220 DEG C, six Qu Wen
Degree: 220 DEG C, seven area's temperature: 210 DEG C, eight area's temperature: 210 DEG C, nine Qu Wendu: 220 DEG C, engine speed: 400 revs/min.
Comparative example 1
By the MABS TR558, the MBS722 of 8.0 parts by weight, the MAG50 of 7.0 parts by weight of 79.7 parts by weight, 0.6 parts by weight
Composite antioxidant, the processing aid DP330 of 0.7 parts by weight；, the metal powder 150 of 3 parts by weight；It will be upper in super mixer
It states component to be uniformly mixed by Fig. 1 process route at room temperature, be produced later in double screw extruder.Processing conditions: material is puddled
Revolving speed are as follows: 200 revs/min；One Qu Wendu: 180 DEG C, two area's temperature: 200 DEG C, three Qu Wendu: 210 DEG C, four Qu Wendu: 210
DEG C, five Qu Wendu: 220 DEG C, six Qu Wendu: 220 DEG C, seven area's temperature: 210 DEG C, eight area's temperature: 210 DEG C, nine Qu Wendu: 220
DEG C, engine speed: 400 revs/min.
Comparative example 2
By the PC1100 of 88 parts by weight, the MBS722 of 5.0 parts by weight, the EEA of 3.0 parts by weight, the compound of 0.6 parts by weight resists
Oxygen agent, the processing aid PETS of 0.4 parts by weight；The metal powder 150 of 3 parts by weight；By said components in room in super mixer
Temperature is lower to be uniformly mixed by Fig. 1 process route, is produced later in double screw extruder.Processing conditions: material puddles revolving speed are as follows: 200
Rev/min；One Qu Wendu: 240 DEG C, two area's temperature: 260 DEG C, three Qu Wendu: 260 DEG C, four Qu Wendu: 260 DEG C, five Qu Wendu:
260 DEG C, six Qu Wendu: 260 DEG C, seven area's temperature: 250 DEG C, eight area's temperature: 250 DEG C, nine Qu Wendu: 260 DEG C, engine speed:
400 revs/min.
Comparative example 3
By the PP307 of 91 parts by weight, the XB1008 of 4.0 parts by weight, the composite antioxidant of 0.4 parts by weight, 0.6 parts by weight
Processing aid DP330；The metal powder 150 of 4 parts by weight；Said components are pressed to Fig. 1 technique road at room temperature in super mixer
Line is uniformly mixed, and is produced later in double screw extruder.Processing conditions: material puddles revolving speed are as follows: 200 revs/min；One Qu Wen
Degree: 180 DEG C, two area's temperature: 200 DEG C, three Qu Wendu: 210 DEG C, four Qu Wendu: 210 DEG C, five Qu Wendu: 220 DEG C, six Qu Wen
Degree: 220 DEG C, seven area's temperature: 210 DEG C, eight area's temperature: 210 DEG C, nine Qu Wendu: 220 DEG C, engine speed: 400 revs/min.
The performance test standard of product is as follows in embodiment 1-5:
Specific gravity is tested by ASTM D792/ (GB/T1033) standard；
Notch impact strength is tested by ASTM D256/ (GB/T1843) standard；
Tensile property test is tested by ASTM D638/ (GB/T1040) standard；
Bending property test is tested by ASTM D790/ (GB/T9341) standard；
Flame retardant property test is tested by UL-94/ (GB/T2408) standard；
Melt index test is tested by ASTM D1238/ (GB/T3682) standard:
Embodiment is compared as follows with comparative example performance
From embodiment 1-5 and comparative example 1-3, treated metal powder, to improving the weld mark effect of material clearly,
And the metal-like of material appearance is improved with the increase of metal powder additive amount；The machinery of treated metal powder to material
Performance influences also smaller.Mainly since treated, metal powder surface has pore, and polymer molecular chain enters capillary
Kong Zhong can further strengthen the binding force of polymer and metal powder, keep polymer consistent with metal powder mobility, improve material
Performance and appearance.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (8)
1. a kind of nanometer environmental protection exempts from sprayed on material and preparation method thereof, it is characterised in that: including following mass percent
Material component:
2. a kind of nanometer environmental protection according to claim 1 exempts from sprayed on material and preparation method thereof, it is characterised in that: institute
Fluoropolymer resin is stated to be copolymerized for acrylonitrile-butadiene-styrene copolymer ABS, methyl methacrylate-butadiene-styrene
Object MABS, acrylonitritrile-styrene resin AS, polypropylene-ethylene copolymer, polycarbonate, one of polyamide nylon
Or several mixtures.
3. a kind of nanometer environmental protection according to claim 1 exempts from sprayed on material and preparation method thereof, it is characterised in that: institute
Silicon-acrylic copolymer, the styrene-grafted maleic anhydride, copolymer in cinnamic acrylic ester that compatilizer is core-shell structure are stated,
Ethylene-acrylic acid-methacrylate copolymers, ethylene-acrylic acid copolymer it is one or more.
4. a kind of nanometer environmental protection according to claim 1 exempts from sprayed on material and preparation method thereof, it is characterised in that: institute
State the methyl-prop that toughener is high glue powder, Ethylene-butyl Acrylate-methacrylic Acid Glycerin Ester Copolymer, core-shell structure
E pioic acid methyl ester-butadiene-styrene graft copolymer, ethylene-octene-maleic acid glycosides copolymer one or more.
5. a kind of nanometer environmental protection according to claim 1 exempts from sprayed on material and preparation method thereof, it is characterised in that: institute
Stating antioxidant is primary antioxidant four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, β-(3,5- bis- tertiary fourths
Base -4- hydroxy phenyl) propionic acid octadecanol ester；Auxiliary antioxidant three [2.4- di-tert-butyl-phenyl] phosphite ester, bis- (2,4- bis-
Tert-butyl-phenyl) pentaerythritol diphosphites it is one or more, major-minor antioxidant the ratio between by weight percent for 1: 1 it is mixed
Close object.
6. a kind of nanometer environmental protection according to claim 1 exempts from sprayed on material and preparation method thereof, it is characterised in that: institute
It states processing aid and contains the one of polyester construction long-chain alcohol ester for stearic acid pentaerythritol ester, stearic acid, calcium stearate, lignite wax
Kind or a variety of mixtures mixed in any proportion.
7. a kind of nanometer environmental protection according to claim 1 exempts from sprayed on material and preparation method thereof, it is characterised in that: institute
Stating metal powder partial size is 50-300 microns, one or more with a thickness of 2-10 microns, and surface is handled by following nanometer cladding:
A: using alkali clean metal powder surface, oil removing, the alkali are as follows: sodium carbonate, anhydrous sodium metasilicate, lauryl sodium sulfate and
The mass percent of the mixed liquor of water, the sodium carbonate is 0.1-0.3%, and the mass percent of the anhydrous sodium metasilicate is
0.1-0.2%, the mass percent of the lauryl sodium sulfate are 0.6-0.8%.Metal powder surface grease is removed, when immersion
Between 1-2min, 60-80 DEG C of temperature, distilled water cleaning, it is spare.
B: the metal powder that step A is obtained carries out the processing of surface microcorrosion, the microcorrosion reagent are as follows: sodium hydroxide, it is anhydrous partially
The mixed liquor of sodium metasilicate, sodium dihydrogen phosphate and water, the mass percent of the sodium hydroxide are 1.0-1.2%, described anhydrous inclined
The mass percent of sodium metasilicate is 0.2-0.3%, and the mass percent of the sodium dihydrogen phosphate is 0.1-0.3%.Soaking time
1min, 50-70 DEG C of temperature, distilled water cleaning is spare.
C: crossing neutralization for the obtained metal powder of step B, impregnates 30s at normal temperature, and the neutralization reagent is sulfuric acid, iron chloride, nitre
The mixed liquor of acid and water, the concentration of the sulfuric acid are 98%, mass percent 3-5%, the quality percentage of the iron chloride
Than being 65% for the concentration of 1-3%, the nitric acid, mass percent 30-35%, distilled water is cleaned 2 times, drying for standby.
D: the metal powder that step C is obtained carries out cladding processing, the covering are as follows: stearic acid pentaerythritol ester, stearic acid, hard
Resin acid calcium, lignite wax contain one of polyester construction long-chain alcohol ester or a variety of, and 150-180 DEG C DEG C of temperature, nitrogen atmosphere protection,
It is stirred under vacuum 10-30min, vacuum drying is ground into the little particle of partial size 1-3mm, packages spare.
8. a kind of nanometer environmental protection according to claim 1 exempts from sprayed on material and preparation method thereof, it is characterised in that: institute
It is as follows to state production technology, as shown in Figure 1:
Step 1: toughener, compatilizer and processing aid etc., which are sequentially placed into high-speed mixer, to be stirred by antioxidant, main material, toner
It mixes uniformly, mixing speed 200r/min, mixing time 2-4min；This partial material is added by main feeding；
Step 2: the metal powder particles handled well are added by side feed material；
Step 3: the material that above-mentioned two mix is sequentially added in the hopper of main feed hopper and side feed material, it is put into twin-screw
Extruder carries out extruding pelletization；Pellet feeding section extrusion temperature are as follows: 170-190 DEG C, fluxing zone extrusion temperature are as follows: 200-260 DEG C,
Melt conveying zone extrusion temperature are as follows: 190-260 DEG C, head temperature are as follows: 210-260 DEG C, extruding pelletization process when vacuum degree be
0.6MPa-0.8MPa。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112852086A (en) * | 2020-12-31 | 2021-05-28 | 金发科技股份有限公司 | Spraying-free metal-like effect ASA resin for ASA/PVC double-color co-extrusion fabric and preparation method and application thereof |
| CN112852083A (en) * | 2021-01-07 | 2021-05-28 | 上海英耀塑胶材料有限公司 | Spraying-free metal effect material and preparation method thereof |
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| CN112852086A (en) * | 2020-12-31 | 2021-05-28 | 金发科技股份有限公司 | Spraying-free metal-like effect ASA resin for ASA/PVC double-color co-extrusion fabric and preparation method and application thereof |
| CN112852083A (en) * | 2021-01-07 | 2021-05-28 | 上海英耀塑胶材料有限公司 | Spraying-free metal effect material and preparation method thereof |
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