CN109401366A - A kind of Cu-Zn alloy powder resistant to high temperature - Google Patents

A kind of Cu-Zn alloy powder resistant to high temperature Download PDF

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Publication number
CN109401366A
CN109401366A CN201810869787.3A CN201810869787A CN109401366A CN 109401366 A CN109401366 A CN 109401366A CN 201810869787 A CN201810869787 A CN 201810869787A CN 109401366 A CN109401366 A CN 109401366A
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Prior art keywords
alloy powder
modified additive
resistant
ball milling
high temperature
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CN201810869787.3A
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CN109401366B (en
Inventor
吴昱
尤建生
毕鹏禹
蒋晴谷
金青君
师宏心
彭文联
任秀娟
赵建峰
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Suzhou Moon Palace Gold Powder Co ltd
Institute Of Chemical Defense Chinese Academy Of Military Sciences
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Suzhou Moon Palace Gold Powder Co ltd
Institute Of Chemical Defense Chinese Academy Of Military Sciences
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT 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
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/62—Metallic pigments or fillers
    • C09C1/627—Copper
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT 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
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT 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
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06—Treatment with inorganic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT 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
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C09D5/10—Anti-corrosive paints containing metal dust
    • C09D5/103—Anti-corrosive paints containing metal dust containing Al
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C09D5/10—Anti-corrosive paints containing metal dust
    • C09D5/106—Anti-corrosive paints containing metal dust containing Zn
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18—Fireproof paints including high temperature resistant paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds

Abstract

The invention discloses a kind of Cu-Zn alloy powders resistant to high temperature, by certain mass than being equipped with fumed silica, odium stearate, ethylene bis stearic acid amide part finally obtain a kind of Cu-Zn alloy powder resistant to high temperature by auxiliary agent preparation process, material hybrid technique, surface packing technology etc..Preparation-obtained Cu-Zn alloy powder metal anti-aging property significantly improves, and fast light, corrosion-resistant, heat resistance greatly improves, and has greatly widened the application range of Cu-Zn alloy powder.

Description

A kind of Cu-Zn alloy powder resistant to high temperature
Technical field
The present invention relates to a kind of Cu-Zn alloy powders resistant to high temperature, belong to technical field of paint preparation.
Background technique
Cu-Zn alloy powder system copper, zinc, aluminium etc. are at the non-ferrous alloy pigment being grouped as, the processes such as smelting, ball milling, classification, polishing It is processed into sclay texture powder, belongs to float type metallic pigments；Appearance is in golden yellow.Cu-Zn alloy powder is widely used in coating, oil The industries such as paint, ink, firkin, thermoprint, printing, craftwork, color masterbatch, electrostatic spraying.
With the development of industrialization, to the continuous improvement of Cu-Zn alloy powder material performance requirement, traditional Cu-Zn alloy powder heat resisting temperature exists 60 DEG C or so, and acidproof, alkaline-resisting, poor corrosion resistance, in industrial applications such as baking vanish, color masterbatch, electrostatic sprayings, temperature exists 140 DEG C -260 DEG C or so, Cu-Zn alloy powder temperature just will appear resultant metal sense nigrescence, reflecting feel difference and performance decline by the limit The problems such as.Thus traditional Cu-Zn alloy powder is not suitable for the application in some high temperature resistants, corrosion-resistant industry and new industrial circle.
Summary of the invention
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of Cu-Zn alloy powders resistant to high temperature, by adding gas phase The auxiliary agents such as silica carry out surface modification treatment to Cu-Zn alloy powder, mention Cu-Zn alloy powder metallic pigments anti-aging property significantly Height, and heat resistance greatly improves, and has greatly widened the application range of Cu-Zn alloy powder.
The technical solution adopted by the present invention: steps are as follows for Cu-Zn alloy powder preparation method resistant to high temperature:
(1) the material quality number of Cu-Zn alloy powder is as follows:
7~9 parts of fumed silica
1~2 part of odium stearate
1~2 part of ethylene bis stearic acid amide
(2) odium stearate, ethylene bis stearic acid amide are put into stainless-steel pan, through electric furnace be heated to 260 DEG C dissolve for Liquid, solution time 30min；It stirs liquid clockwise in container, while fumed silica is added, electric furnace continues In 260 DEG C of heat preservation 30min；It is poured out after completely dissolution to ingredient in container, is blocky modified additive after cooling, is struck using iron hammer Break into the fritter of 1.5~2.5cm；
(3) small blocky modified additive is put into high speed disintegrator and is crushed, smashed modified additive is put into sieving machine Inside sifter goes out ultra-fine grain modified additive, ultra-fine grain modified additive partial size D50For 3~5 μm, D909 μm of <, ultra-fine grain changes Property auxiliary agent collected through deduster it is stand-by；
(4) it send in the 2% ratio addition ultra-fine grain modified additive of flakey Cu-Zn alloy powder quality to symmetric three-dimensional mixing machine, Keep symmetric three-dimensional mixing machine revolving speed 18rpm~19rpm, incorporation time 6h；The water surface of flakey Cu-Zn alloy powder before mixing covers Rate≤7000 cm2/ g, it is 0.8%~1.2% that stearic acid, which coats agent content, flakey Cu-Zn alloy powder and ultra-fine grain modified additive Mixed water surface hiding rare≤6600cm2/g
(5) step (4) mixed powder is gradually added in ball milling packing machine through feed bin batcher, by ball milling packing machine Matched electronic scale presses the mass ratio of steel ball 10: 1 in powder and ball milling packing machine, carries out in self-feeding to ball milling packing machine Surface package, ball milling packing machine 18~19rpm of revolving speed, temperature are not more than 50 DEG C, time 8h；
(6) by step (5) Cu-Zn alloy powder through delivery pump be transported to vibrating screen sieving, vibrating screen specification be 150 mesh, 106 μm, Obtain a kind of Cu-Zn alloy powder resistant to high temperature.
1650 DEG C ± 50 DEG C of fumed silica content >=99.8%, fusing point in the step (2)；Odium stearate content >= 98%, 250 DEG C ± 5 DEG C of fusing point；Ethylene bis stearic acid amide acid value≤7.5mgKOH/g, amine value≤2.5mgKOH/g, fusing point 150℃±5℃。
Beneficial effects of the present invention: using fumed silica as modified additive, not only make dyestuff anti-aging property big Width improves, and greatly widens.Surface modification treatment is carried out to Cu-Zn alloy powder by auxiliary agents such as addition fumed silicas, no But make that Cu-Zn alloy powder metallic pigments are anti-aging, fast light, corrosion-resistant, heat resistance significantly improves, and brightness, tone and saturation degree Also a degree of raising is obtained, the application range of Cu-Zn alloy powder has greatly been widened.
Specific embodiment
Technical solution of the present invention is described in detail below by embodiment.
Example 1
Cu-Zn alloy powder post-processing approach, technological procedure mainly include auxiliary agent preparation process, material hybrid technique, surface package Technique.
One, auxiliary agent preparation process
1, prepared by auxiliary agent
Required equipment: 5kW deduster 1,2kW sieving machine 1,3kW high speed disintegrator 1,1,3kW electric furnace, 10kg Stainless-steel pan 1, electronic scale 1.
By 10kg stainless-steel pan preparation raw material, precise fumed silica 8kg, odium stearate 1kg, ethylene are double stearic Sour amide 1kg, steps are as follows for specific preparation method:
A) odium stearate, ethylene bis stearic acid amide are put into stainless-steel pan, are dissolved through electric furnace heating for liquid；Holding Liquid is stirred in device clockwise, while fumed silica is added, electric furnace continues to keep the temperature；After completely dissolution to ingredient in container It pours out, becomes blocky modified additive after cooling, the fritter of 2cm or so is beaten into using iron hammer；
B) small blocky modified additive is put into high speed disintegrator and is crushed, smashed modified additive is slowly put into sieving machine Inside sifter goes out ultra-fine grain modified additive, and ultra-fine grain modified additive is collected stand-by through deduster.
2, quality control requirement
A) each material utilization amount, recording status are examined；
B) 1650 DEG C ± 50 DEG C of fumed silica content >=99.8%, fusing point；
C) 250 DEG C ± 5 DEG C of odium stearate content >=98%, fusing point；
D) ethylene bis stearic acid amide acid value≤7.5mgKOH/g, amine value≤2.5mgKOH/g, 150 DEG C ± 5 DEG C of fusing point；
3, examination requirements
A) each raw material usage, recording status are examined；
B) modified additive grain diameter is detected, is shown in Table 1；
C) fumed silica, odium stearate, ethylene bis stearic acid amide need to have the quality certification of producer.
Detection project after 1 modified additive of table crushes
Detection project Quality requirement
Particle diameter distribution D50=3 μm~5 μm, D909 μm of <
Two, material hybrid technique
1, material mixes
Required equipment: 11kW symmetric three-dimensional mixing machine, delivery pump, ventilative dust cleaning case, platform scale each 1 feed/1.
A) flakey Cu-Zn alloy powder and ultra-fine grain modified additive are moved into feeding inlet, symmetric three-dimensional is delivered to by delivery pump and is mixed Conjunction machine；
B) ultra-fine grain modified additive is added in 2% ratio of Cu-Zn alloy powder quality；
C) symmetric three-dimensional mixing machine revolving speed 18rpm~19rpm is maintained, 6h is mixed.
2, quality control requirement
A) flakey Cu-Zn alloy powder quality requirement is shown in Table 2；
B) ultra-fine grain modified additive weighs accurate；
C) ensure to be uniformly mixed, incorporation time 6h；
D) the flakey Cu-Zn alloy powder quality requirement obtained after mixing is shown in Table 3.
3, examination requirements
A) each raw material usage, recording status are examined；
B) flakey Cu-Zn alloy powder items detection project before mixing is examined；
C) flakey Cu-Zn alloy powder items detection project after mixing is examined.
Flakey Cu-Zn alloy powder detection project before table 2 mixes
Flakey Cu-Zn alloy powder detection project after table 3 mixes
Three, surface packing technology
1, working procedure
Required equipment: (deduster, grader, electronics are weighed automatically, and system is heavy, is fed for 1 set of the ball milling packing machine of 30kW power Machine), the corollary equipments such as feed bin and powder conveying pump, metal powder vibrating screen (1.5kW).
A) Cu-Zn alloy powder after mixing is gradually added in ball milling packing machine through feed bin batcher, by the matched electricity of ball milling packing machine Sub- scale presses the mass ratio of steel ball 10: 1 in material and ball milling packing machine, starts surface in material self-feeding to ball milling packing machine Modified package；
B) Cu-Zn alloy powder isolated through grader system, the electronic scale weighing through storage bin bottom, to guarantee ball milling package The ratio of material and steel ball in machine, ball milling packing machine suitable electronic scale control batcher add materials in real time；
C) ball milling packing machine revolving speed 18rpm, temperature is no more than 50 DEG C, and after about 8h, storage bin expires 100kg；
D) Cu-Zn alloy powder that step c) is obtained is transported to vibrating screen sieving through delivery pump, obtains a kind of copper gold resistant to high temperature Powder.
2, quality control requirement
A) Cu-Zn alloy powder after wrapping up is qualified product, and Weighing is accurate；
B) ensure to wrap up uniformly, the package time is 8h；
C) Cu-Zn alloy powder quality requirement is shown in Table 4 after wrapping up.
3, examination requirements
A) package Cu-Zn alloy powder dosage and time, recording status are examined；
B) every detection project after examining Cu-Zn alloy powder to wrap up；
C) items after Cu-Zn alloy powder package is examined to detect and temperature tolerance project.
Flakey Cu-Zn alloy powder detection project after table 4 wraps up
Cu-Zn alloy powder will appear metal sense nigrescence, reflecting feel difference and degradation problem when by thermal oxide.It will be by above-mentioned After the Cu-Zn alloy powder that method is prepared is placed for 24 hours in 280 DEG C of insulating boxs, test by 4 detection project of table, inspection result It is shown in Table 5.
Table 5 heatproof, 280 DEG C of detection projects
Testing result shows that the various characters of Cu-Zn alloy powder have not been changed.
The Cu-Zn alloy powder being prepared should be packed.
Required equipment: delivery pump, metal powder vibrating screen (1.5kW, 150 mesh), electronic scale.
A) the preparatory sprayed product mark in outer packing metal bucket surface, content includes name of product, lot number, net weight；
B) Cu-Zn alloy powder is transported to vibrating screen sieving through delivery pump；
C) metal bucket of inner sleeve plastic packaging bag is directly picked up to the copper powder after sieving, weighing, every barrel of 25kg ± 0.05kg；
D) plastic packaging bag is tightened, packaging metal bucket is obturaged；
E) pail pack surface is cleared up.

Claims (2)

1. a kind of Cu-Zn alloy powder resistant to high temperature, it is characterised in that: steps are as follows for the Cu-Zn alloy powder preparation method:
(1) the material quality number of Cu-Zn alloy powder is as follows:
7~9 parts of fumed silica
1~2 part of odium stearate
1~2 part of ethylene bis stearic acid amide
(2) odium stearate, ethylene bis stearic acid amide are put into stainless-steel pan, are heated to 260 DEG C through electric furnace and dissolve for liquid, Solution time 30min；It stirs liquid clockwise in container, while fumed silica is added, electric furnace continues to continue at 260 DEG C Keep the temperature 30min；It is poured out after completely dissolution to ingredient in container, is blocky modified additive after cooling, 1.5 are beaten into using iron hammer~ The fritter of 2.5cm；
(3) small blocky modified additive is put into high speed disintegrator and is crushed, smashed modified additive is put into sieving machine and is sieved Separate ultra-fine grain modified additive, ultra-fine grain modified additive partial size D50For 3~5 μm, D909 μm of <, ultra-fine grain modified additive It is collected through deduster stand-by；
(4) it send in the 2% ratio addition ultra-fine grain modified additive of flakey Cu-Zn alloy powder quality to symmetric three-dimensional mixing machine, keeps Symmetric three-dimensional mixing machine revolving speed 18rpm~19rpm, incorporation time 6h；The water surface hiding rare of flakey Cu-Zn alloy powder before mixing≤ 7000cm2/ g, it is 0.8%~1.2%, after flakey Cu-Zn alloy powder is mixed with ultra-fine grain modified additive that stearic acid, which coats agent content, Water surface hiding rare≤6600cm2/g
(5) step (4) mixed powder is gradually added in ball milling packing machine through feed bin batcher, it is mating by ball milling packing machine Electronic scale by the mass ratio of steel ball 10: 1 in powder and ball milling packing machine, carry out surface packet in self-feeding to ball milling packing machine It wraps up in, ball milling packing machine 18~19rpm of revolving speed, temperature is not more than 50 DEG C, time 8h；
(6) step (5) Cu-Zn alloy powder is transported to vibrating screen sieving through delivery pump, vibrating screen specification is 150 mesh, 106 μm, obtains one Kind Cu-Zn alloy powder resistant to high temperature.
2. a kind of Cu-Zn alloy powder resistant to high temperature according to claim 1, it is characterised in that: fumed silica in step (2) 1650 ± 50 DEG C of content >=99.8%, fusing point；250 ± 5 DEG C of odium stearate content >=98%, fusing point；Ethylene bis stearic acid amide Acid value≤7.5mgKOH/g, amine value≤2.5mgKOH/g, 150 ± 5 DEG C of fusing point.
CN201810869787.3A 2018-08-02 2018-08-02 High-temperature-resistant bronze powder Active CN109401366B (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111545763A (en) * 2020-05-26 2020-08-18 江苏大方金属粉末有限公司 Preparation method of modified copper-gold powder
CN113770351A (en) * 2021-09-18 2021-12-10 山东金钻石金属材料有限公司 Copper-gold powder slurry for mechanical plating and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000046249A (en) * 1998-12-31 2000-07-25 배창환 Method for preparing diffused bronze powder for producing precision component
CN1333304A (en) * 2001-03-29 2002-01-30 佟立新 Technology for prefabricating environment protection type ABS plastics additive by mist projection granulating
CN101480720A (en) * 2009-02-04 2009-07-15 昆明理工大学 Method for preparing scaly nickle and nickel alloy powder with dry process
CN102151835A (en) * 2011-03-17 2011-08-17 昆明理工大学 Method for preparing ultrafine platy copper-zinc alloy powder

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000046249A (en) * 1998-12-31 2000-07-25 배창환 Method for preparing diffused bronze powder for producing precision component
CN1333304A (en) * 2001-03-29 2002-01-30 佟立新 Technology for prefabricating environment protection type ABS plastics additive by mist projection granulating
CN101480720A (en) * 2009-02-04 2009-07-15 昆明理工大学 Method for preparing scaly nickle and nickel alloy powder with dry process
CN102151835A (en) * 2011-03-17 2011-08-17 昆明理工大学 Method for preparing ultrafine platy copper-zinc alloy powder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111545763A (en) * 2020-05-26 2020-08-18 江苏大方金属粉末有限公司 Preparation method of modified copper-gold powder
CN111545763B (en) * 2020-05-26 2022-01-04 江苏大方金属粉末有限公司 Preparation method of modified copper-gold powder
CN113770351A (en) * 2021-09-18 2021-12-10 山东金钻石金属材料有限公司 Copper-gold powder slurry for mechanical plating and preparation method thereof

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