CN106280579A - A kind of indium-doped Zinc oxide powder doping plastic cement special strip aluminum pigment - Google Patents

A kind of indium-doped Zinc oxide powder doping plastic cement special strip aluminum pigment Download PDF

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Publication number
CN106280579A
CN106280579A CN201610594840.4A CN201610594840A CN106280579A CN 106280579 A CN106280579 A CN 106280579A CN 201610594840 A CN201610594840 A CN 201610594840A CN 106280579 A CN106280579 A CN 106280579A
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CN
China
Prior art keywords
indium
zinc oxide
oxide powder
doped zinc
aluminum pigment
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Pending
Application number
CN201610594840.4A
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Chinese (zh)
Inventor
董前年
周涛
徐曈曈
徐俊军
朱双单
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HEFEI SUNRISE ALUMINIUM PIGMENTS Co Ltd
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HEFEI SUNRISE ALUMINIUM PIGMENTS Co Ltd
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Priority to CN201610594840.4A priority Critical patent/CN106280579A/en
Publication of CN106280579A publication Critical patent/CN106280579A/en
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES; PREPARATION OF CARBON BLACK; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/62Metallic pigments or fillers
    • C09C1/64Aluminium
    • C09C1/644Aluminium treated with organic compounds, e.g. polymers
    • C09C1/646Aluminium treated with organic compounds, e.g. polymers concomitant with mechanical comminution, shaping or abrasion of the particles
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES; PREPARATION OF CARBON BLACK; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/006Combinations of treatments provided for in groups C09C3/04 - C09C3/12
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/22Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/60Optical properties, e.g. expressed in CIELAB-values

Abstract

The invention discloses a kind of indium-doped Zinc oxide powder doping plastic cement special strip aluminum pigment, it is prepared by the raw materials in: flake aluminum 70 75, methacryloxypropyl trimethoxy silane 14 15, dehydrated alcohol is appropriate, trimethylolpropane trimethacrylate 28 30, acrylic acid 11 1.2, azodiisobutyronitrile 0.09 0.1, polyvinylpyrrolidone 1.75 1.9, stearic acid 45, polypropylene 19 20, micro mist wax 0.9 1.2, zinc acetate 34, PVP1.5 2, 0.05mol/L indiumchloride solution 23, distilled water is appropriate, the urea liquid 14 16 of 2mol/L.The present invention prepares indium-doped Zinc oxide powder by certain processing step, can intercept infrared ray equally and have higher transmitance to visible ray, adding in the preparation of aluminum pigment, it is possible to increase the dispersibility of aluminum pigment and bright property.

Description

A kind of indium-doped Zinc oxide powder doping plastic cement special strip aluminum pigment
Technical field
The present invention relates to pigment technology field, particularly relate to a kind of indium-doped Zinc oxide powder doping plastic cement special strip aluminum face Material.
Background technology
Aluminum pigment is also known as aluminum paste, aluminum argentum powder, flake aluminum, and it has smooth and very thin sclay texture, is application One of most metallic effect pigments.Aluminum pigment possesses good antiseptic property, moreover it is possible to reflection visible ray, has argenteous gold Belong to gloss, also changing, so aluminum pigment has good decorative effect along with the intensity of the light of the different reflections of angle simultaneously; Aluminum pigment also can reflect infrared light and ultraviolet light, thus also have heat-insulating property and delay coating and rubber and ageing of plastics Effect.Along with country and the raising of social concerns degree, low-carbon (LC) is the most no longer a concept with the topic of environmental protection, but converts For out and out action.Along with material and the development of mould process, exempt to spray the new trend becoming modified plastics development, resin Directly it is molded into part and can meet the effect that the manufacturers such as dumb light, high light or flaring pearlescent require.Eliminate and spray paint Technique, just eliminates the injury to environment, and greatly reduces manufacturing cost.Household electrical appliances, automobile, electronic product industry working of plastics Application complete, along with level of consumption and the raising of price, at household electrical appliances product profit drastically generally by workman is manual While reduction, wage sharp rises, but the rising of recruitment cost has become enterprise and has been difficult to undertake the burden that must be born by again. Preparation has pearl effect, the plastic material of metal-like is directly used in the machine-shaping of household electrical appliances plastics appearance member and can reduce environment Pollute, improve product appearance class, reduce product cost, improve product competitiveness.So preparation is directly used in resin injection Aluminum pigment is particularly important, and the application in plastic industry of the aluminum pigment is increasingly praised highly.
In patent " a kind of strip aluminum pigment and preparation method thereof " by conventional aluminium pigment is carried out filter pressing then with High molecular polymer and auxiliary agent are extruded, and obtain the aluminum pigment of strip, and obtained aluminum pigment the most easily disperses, without powder Dirt, versatility is good, can greatly reduce current mark during plastic shaping, solves aluminum pigment bad scattered difficult problem in resin, but Resin and aluminum pigment and auxiliary agent are that during owing to extruding or being molded, temperature is all through high temperature melting twin screw again or Single screw extrusion Higher, the easy variable color of aluminum pigment or oxidation under high temperature, so that surface of the work metallochrome is dimmed, this is accomplished by being improved by modification The heat stability of aluminium powder, reduces the corrosivity of aluminum pigment.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of indium-doped Zinc oxide powder doping plastic cement is special With strip aluminum pigment.
The present invention is achieved by the following technical solutions:
A kind of indium-doped Zinc oxide powder doping plastic cement special strip aluminum pigment, is prepared by the raw materials in: flake aluminum 70-75, methacryloxypropyl trimethoxy silane 14-15, dehydrated alcohol are appropriate, trimethylolpropane trimethacrylate 28-30, acrylic acid 1-1-1.2, azodiisobutyronitrile 0.09-0.1, polyvinylpyrrolidone 1.75-1.9, stearic acid 4-5, poly- Propylene 19-20, micro mist wax 0.9-1.2, zinc acetate 3-4, PVP1.5-2,0.05mol/L indiumchloride solution 2-3, distilled water be appropriate, The urea liquid 14-16 of 2mol/L.
Described one indium-doped Zinc oxide powder doping plastic cement special strip aluminum pigment, is made up of step in detail below:
(1) by the dehydrated alcohol of molten for methacryloxypropyl trimethoxy silane 4-5 times amount, it is subsequently adding flaky aluminum Powder, is heated to 55-60 DEG C, and after reacting 1-1.5 hour with absolute ethanol washing for several times, vacuum drying obtains coupling modifier aluminium powder;
(2) by coupling modifier aluminium powder adds the dehydrated alcohol of 2-3 times amount, put in reactor, add three hydroxyl first while stirring Base propane triacrylate, acrylic acid and be dissolved in the polyvinylpyrrolidone of equivalent dehydrated alcohol, be heated under nitrogen protection 70-80 DEG C, then constant temperature dropping azodiisobutyronitrile, then rise to 85 DEG C and react 30-40 minute, question response is further continued for after terminating Stir 50-60 minute, natural cooling, centrifugation, obtain filter cake, finally filter cake is put into rotary evaporator evaporates anhydrous Ethanol, obtains being grafted aluminium powder;
(3) by zinc acetate, PVP mixing, add the distilled water of total amount 8-10 times amount, be heated to 60-65 DEG C, drip while stirring 0.05mol/L indiumchloride solution, the urea liquid of 2mol/L, be aged 2 hours after dropping, then filters, washes with distillation Wash 2-3 time, then grinding after drying in the air dry oven of 80-90 DEG C, be finally putting in the Muffle furnace of 450-500 DEG C forging Burn 2-3 hour, obtain indium-doped Zinc oxide powder;
(4) polypropylene is put in banbury, be heated to 100-120 DEG C with the speed of 80-100 rev/min, be subsequently adding step (3) indium-doped Zinc oxide powder, micro mist wax and remaining residual components obtained, continues discharging after banburying 8-10 minute, broken, To modified additive;
(5) modified additive that grafting aluminium powder step (2) obtained obtains with step (4) mixes, and puts in double screw extruder Extruded shape growth 3-5mm, the cylinder of a diameter of 1-2mm, control extrusion temperature and be 90-120 DEG C, finally true at 50-60 DEG C Sky is dried 5-6 hour and get final product.
The invention have the advantage that the present invention first passes through methacryloxypropyl trimethoxy silane to flake aluminum Carry out coupling so that flake aluminum surface conversion is lipophile, be allowed to preferably mix with oiliness monomer, in order at particle surface Carry out home position polymerization reaction, be then polymerized by in-situ solution and trimethylolpropane trimethacrylate is coated on flake aluminum table Face, clad is uniform and thin, serves the effect increasing interparticle repulsive forces, is equivalent to the effect of dispersant, improves aluminium powder Dispersive property, simultaneously can intercept aluminium powder and directly contact with air, moisture, further increase the decay resistance of aluminium powder with And the activity of holding aluminium powder, the aluminium powder heat stability after cladding is greatly improved simultaneously.
The present invention prepares indium-doped Zinc oxide powder by certain processing step, can intercept infrared ray equally and to visible ray There is higher transmitance, add in the preparation of aluminum pigment, the dispersibility of aluminum pigment can not only be improved, aluminum can be improved simultaneously The bright property of pigment, adds to and can be evenly dispersed in plastic rubber substrate surface in plastic cement products, have highlighted metallic luster, Corrosion resistance is good.
Detailed description of the invention
A kind of indium-doped Zinc oxide powder doping plastic cement special strip aluminum pigment, by the raw material system of following weight portion (kilogram) Become: flake aluminum 70, methacryloxypropyl trimethoxy silane 14, dehydrated alcohol are appropriate, trimethylolpropane tris third Olefin(e) acid ester 28, acrylic acid 1, azodiisobutyronitrile 0.09, polyvinylpyrrolidone 1.75, stearic acid 4, polypropylene 19, micro mist wax 0.9, zinc acetate 3, PVP1.5,0.05mol/L indiumchloride solution 2, distilled water be appropriate, the urea liquid 14 of 2mol/L.
Described one indium-doped Zinc oxide powder doping plastic cement special strip aluminum pigment, is made up of step in detail below:
(1) by the dehydrated alcohol of molten for methacryloxypropyl trimethoxy silane 4 times amount, it is subsequently adding flake aluminum, Being heated to 55 DEG C, after reacting 1 hour with absolute ethanol washing for several times, vacuum drying obtains coupling modifier aluminium powder;
(2) by coupling modifier aluminium powder adds the dehydrated alcohol of 2 times amount, put in reactor, add trihydroxy methyl while stirring Propane triacrylate, acrylic acid and be dissolved in the polyvinylpyrrolidone of equivalent dehydrated alcohol, be heated to 70 under nitrogen protection DEG C, then constant temperature dropping azodiisobutyronitrile, then rise to 85 DEG C and react 30 minutes, question response is further continued for after terminating stirring 50 points Clock, natural cooling, centrifugation, obtain filter cake, finally filter cake is put into and rotary evaporator evaporates dehydrated alcohol, connect Branch aluminium powder;
(3) by zinc acetate, PVP mixing, add the distilled water of total amount 8 times amount, be heated to 60 DEG C, drip 0.05mol/ while stirring L indiumchloride solution, the urea liquid of 2mol/L, be aged 2 hours after dropping, then filters, uses distilled water wash 2 times, so After grinding after drying in the air dry oven of 80 DEG C, be finally putting in the Muffle furnace of 450 DEG C calcination 2 hours, obtain indium-doped Zinc oxide powder;
(4) polypropylene is put in banbury, be heated to 100 DEG C with the speed of 80 revs/min, be subsequently adding what step (3) obtained Indium-doped Zinc oxide powder, micro mist wax and remaining residual components, continue discharging after banburying 8 minutes, broken, obtains modified additive;
(5) modified additive that grafting aluminium powder step (2) obtained obtains with step (4) mixes, and puts in double screw extruder Extruded shape growth 3mm, the cylinder of a diameter of 1mm, controlling extrusion temperature is 120 DEG C, is finally vacuum dried 5 hours at 50 DEG C Obtain.
Through overtesting, product surface of the present invention is smooth, free from admixture, achromic point mottle, and heatproof is more than 250 DEG C, at plastics or Dispersibility in rubber product is good, exempts from spraying moulding surfacing, without current mark, the easy demoulding with what it was made.

Claims (2)

1. an indium-doped Zinc oxide powder doping plastic cement special strip aluminum pigment, it is characterised in that by the raw material of following weight portion Make: flake aluminum 70-75, methacryloxypropyl trimethoxy silane 14-15, dehydrated alcohol are appropriate, trihydroxy methyl Propane triacrylate 28-30, acrylic acid 1-1-1.2, azodiisobutyronitrile 0.09-0.1, polyvinylpyrrolidone 1.75- 1.9, stearic acid 4-5, polypropylene 19-20, micro mist wax 0.9-1.2, zinc acetate 3-4, PVP1.5-2,0.05mol/L indium chloride are molten Liquid 2-3, distilled water are appropriate, the urea liquid 14-16 of 2mol/L.
A kind of indium-doped Zinc oxide powder doping plastic cement special strip aluminum pigment, it is characterised in that by Step is made in detail below:
(1) by the dehydrated alcohol of molten for methacryloxypropyl trimethoxy silane 4-5 times amount, it is subsequently adding flaky aluminum Powder, is heated to 55-60 DEG C, and after reacting 1-1.5 hour with absolute ethanol washing for several times, vacuum drying obtains coupling modifier aluminium powder;
(2) by coupling modifier aluminium powder adds the dehydrated alcohol of 2-3 times amount, put in reactor, add three hydroxyl first while stirring Base propane triacrylate, acrylic acid and be dissolved in the polyvinylpyrrolidone of equivalent dehydrated alcohol, be heated under nitrogen protection 70-80 DEG C, then constant temperature dropping azodiisobutyronitrile, then rise to 85 DEG C and react 30-40 minute, question response is further continued for after terminating Stir 50-60 minute, natural cooling, centrifugation, obtain filter cake, finally filter cake is put into rotary evaporator evaporates anhydrous Ethanol, obtains being grafted aluminium powder;
(3) by zinc acetate, PVP mixing, add the distilled water of total amount 8-10 times amount, be heated to 60-65 DEG C, drip while stirring 0.05mol/L indiumchloride solution, the urea liquid of 2mol/L, be aged 2 hours after dropping, then filters, washes with distillation Wash 2-3 time, then grinding after drying in the air dry oven of 80-90 DEG C, be finally putting in the Muffle furnace of 450-500 DEG C forging Burn 2-3 hour, obtain indium-doped Zinc oxide powder;
(4) polypropylene is put in banbury, be heated to 100-120 DEG C with the speed of 80-100 rev/min, be subsequently adding step (3) indium-doped Zinc oxide powder, micro mist wax and remaining residual components obtained, continues discharging after banburying 8-10 minute, broken, To modified additive;
(5) modified additive that grafting aluminium powder step (2) obtained obtains with step (4) mixes, and puts in double screw extruder Extruded shape growth 3-5mm, the cylinder of a diameter of 1-2mm, control extrusion temperature and be 90-120 DEG C, finally true at 50-60 DEG C Sky is dried 5-6 hour and get final product.
CN201610594840.4A 2016-07-27 2016-07-27 A kind of indium-doped Zinc oxide powder doping plastic cement special strip aluminum pigment Pending CN106280579A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109385117A (en) * 2018-09-07 2019-02-26 中国科学院包头稀土研发中心 A kind of environmentally protective rare-earth colorant and preparation method thereof for plastics

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1986648A (en) * 2006-11-24 2007-06-27 华南理工大学 Preparing method of coated aluminium powder pigment

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1986648A (en) * 2006-11-24 2007-06-27 华南理工大学 Preparing method of coated aluminium powder pigment

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
朱奕漪等: "沉淀法制备片状、球状、柱状纳米掺铟氧化锌及其表征", 《粉末冶金材料科学与工程》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109385117A (en) * 2018-09-07 2019-02-26 中国科学院包头稀土研发中心 A kind of environmentally protective rare-earth colorant and preparation method thereof for plastics

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