CN109251629A - A kind of production technology of the shielding case of spray insulation baking vanish - Google Patents
A kind of production technology of the shielding case of spray insulation baking vanish Download PDFInfo
- Publication number
- CN109251629A CN109251629A CN201811030761.6A CN201811030761A CN109251629A CN 109251629 A CN109251629 A CN 109251629A CN 201811030761 A CN201811030761 A CN 201811030761A CN 109251629 A CN109251629 A CN 109251629A
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- parts
- baking vanish
- shielding case
- insulation
- production technology
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Classifications
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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
- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C09D155/00—Coating compositions based on homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C09D123/00 - C09D153/00
- C09D155/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- 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
-
- 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
-
- 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
- C08K2201/011—Nanostructured additives
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The present invention relates to a kind of production technologies of the shielding case of spray insulation baking vanish, and automatic spray insulation baking vanish, is then punched into type first on metal material belt.The insulation wheat drawing that spraying position, size and shape and the existing metallic shield inside of the insulation baking vanish are pasted is identical.Compared with prior art, the technique that the present invention replaces insulation wheat to draw using a kind of insulated paint all completes shielding case production with auto spray painting and automatic press, and the production time is short, and high-efficient, personnel greatly reduce, and cost is lower.
Description
Technical field
The present invention relates to a kind of shielding cases, more particularly, to a kind of production technology of the shielding case of spray insulation baking vanish.
Background technique
With social development, the communication apparatus such as computer and mobile phone are more more and more universal, to generate a large amount of electromagnetic radiation, are
The health of the mankind, all kinds of Communication Equipments and equipment are all installed metallic shield and are electromagnetically shielded, and personal injury is reduced.
Shielding case function: metal shell has shielding electromagnetic radiation, and shielding case built-in electrical insulation wheat, which is drawn, prevents electronic component height
Piezoelectricity externally discharges, and electric leakage causes electric shock accidents.
Due to the function of shielding case and the performance of metallic conduction, the production of shielding case: presswork+artificial patch insulation wheat is drawn
Technique is completed.This technique produces shielding case: and the production time is long, artificial more, low efficiency, production space is big, and it is at high cost, increasingly
It is unable to satisfy that communication product is with short production cycle, the big feature of yield.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of high-efficient, insulating properties
The production technology of the shielding case of good spray insulation baking vanish.
The purpose of the present invention can be achieved through the following technical solutions: a kind of production work of the shielding case of spray insulation baking vanish
Skill, which is characterized in that the automatic spray insulation baking vanish first on metal material belt is then punched into type.
The insulation wheat that spraying position, size and shape and the existing metallic shield inside of the insulation baking vanish are pasted is drawn
It is identical.
The described insulation baking vanish with a thickness of 0.1~0.5mm, resistivity is 0.5~1.5 × 1015Ω cm, dielectric are strong
Operating temperature range -55~180 DEG C when degree is 150~180kV/cm, is long.
The raw material of the insulation baking vanish includes following parts by weight of component: 30~35 parts of polyurethane imines, epoxy resin 30-
50 parts, 5-30 parts of nanometer carbon crystal, benzene alkene nitrile -30-40 parts of butadiene-styrene copolymer, 10-15 parts of silicone grease, polyvinyl alcohol contracting
4-9 parts of 5-12 parts of aldehyde, 6-13 parts of silane, phosphoric acid or phosphate, 1-4 parts of surfactant, 1.5-3 parts of curing agent, film forming agent
1.6-2.8 0.4-0.8 parts of part, initiator.
The nanometer carbon crystal is through surface-functionalized processing, treatment process are as follows: it is 1 ﹕ (2- that nanometer carbon crystal, which is placed in mass ratio,
5) dense HNO3/ dense H2SO4Mixed liquor in, then centrifugation after being heated to reflux for 24 hours is cleaned to cleaning using deionized water
Liquid pH is close to 7；Material after cleaning is centrifuged, supernatant liquid is taken to carry out precipitating sorting in 4-7 days, removal upper layer is clear
Liquid will get product nanometer carbon crystal after lower sediment thing drying.
The surfactant is pelopon A, fatty alcohol polyoxyethylene ether, fatty acid methyl ester ethoxy
Any one of glycolylate.
The curing agent is tetraethylenepentamine or dihexyl triamine.
The film forming agent is ethylene glycol, propylene glycol, hexylene glycol, benzyl alcohol, diglycol, propylene-glycol ethyl ether, second
One or more of glycol butyl ether, propandiol butyl ether, butyl glycol ether acetic acid esters and Lauryl Alcohol ester combine.
The initiator is azodiisobutyronitrile and azobisisoheptonitrile.
The technique for now replacing insulation wheat to draw using a kind of insulated paint, all completes shielding case with auto spray painting and automatic press
Production, the production time is short, and high-efficient, personnel greatly reduce, and cost is lower.
New process: shielding case replaces insulation wheat to draw using roasting insulated paint, and the insulation performance of insulated paint meets absolutely by test
Edge wheat draws insulation performance, can achieve the shielding properties and insulation performance of shielding case.
Compared with prior art, the invention has the following advantages that
1. new process shielding case, using metal material belt auto spray painting and high speed stamping, spraying insulated paint insulation performance can expire
Sufficient insulating requirements can replace insulation wheat and draw；Automatic spray insulated paint high production efficiency, accuracy is high, and position degree is high, and yield is high,
Personnel are few, and processing cost is low, reduce assembling space etc..
2. baking finish process shielding case: a: production efficiency improves 5~10 times；B: accuracy promotes 0.1~0.3mm or more；c:
99% or more production yield；D: personnel reduce 1/2~1/5；E: processing cost reduces 1/2~1/5；F: composing room is not had to.
3. nanometer carbon crystal is after surface-functionalized in the insulation baking vanish formula that shielding case of the present invention uses, in insulation baking vanish
Other raw materials it is compound, it is evenly dispersed wherein to play the role of mutually cooperateing with, the active factors on nanometer carbon crystal surface easily with gold
Category, rubber, plastic polymer, fabric surface are combined closely, and are improved insulated paint in the adhesive force of matrix surface, are increased bonding
Intensity reduces the pretreatment procedure to matrix, the service life after improving insulated paint film forming, and improves insulation and paint
Thermal conductivity after film by heat transmission and can distribute, as soon as possible to achieve the purpose that radiating and cooling.
4. being added with Pioloform, polyvinyl acetal, Polyvinyl acetal in the insulation baking vanish formula that shielding case of the present invention uses
Property is stablized, and electrical insulating property is good, has very strong caking property, can increase the adhesive strength of insulated paint, be not easy it from electricity
Communication cable surface falls off, and extends the protection period of insulated paint.
Detailed description of the invention
Fig. 1 is process flow chart of the invention.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1, a kind of production technology of the shielding case of spray insulation baking vanish, spraying is exhausted automatically first on metal material belt
Edge baking vanish, is then punched into type.Spraying position, size and shape and the existing metallic shield viscous of the insulation baking vanish
The insulation wheat drawing of patch is identical, replaces insulation wheat to draw using insulation baking vanish.
Wherein, the described insulation baking vanish with a thickness of 0.3mm, resistivity is 1 × 1015Ω cm, dielectric strength are
160kV/cm, it is long when operating temperature range -55~180 DEG C.
The raw material of the insulation baking vanish includes following parts by weight of component: 32 parts of polyurethane imines, is received 40 parts of epoxy resin
Rice 20 parts of carbon crystal, benzene alkene nitrile -35 parts of butadiene-styrene copolymer, 12 parts of silicone grease, 10 parts of Pioloform, polyvinyl acetal, 10 parts of silane,
Phosphoric acid or 6 parts of phosphate, 2 parts of surfactant, 2 parts of curing agent, 2 parts of film forming agent, 0.6 part of initiator.
The nanometer carbon crystal is through surface-functionalized processing, treatment process are as follows: it is 1 ﹕'s 3 that nanometer carbon crystal, which is placed in mass ratio,
Dense HNO3/ dense H2SO4Mixed liquor in, then centrifugation after being heated to reflux for 24 hours is cleaned to cleaning solution pH using deionized water
Close to 7；Material after cleaning is centrifuged, takes supernatant liquid to carry out precipitating sorting in 4-7 days, removes supernatant liquor,
Nanometer carbon crystal will be got product after lower sediment thing drying.The surfactant is pelopon A.It is described
Film forming agent be ethylene glycol.The initiator is azodiisobutyronitrile.
Embodiment 2
A kind of production technology of the shielding case of spray insulation baking vanish, the automatic spray insulation baking vanish first on metal material belt, so
Punch forming afterwards.The insulation that spraying position, size and shape and the existing metallic shield inside of the insulation baking vanish are pasted
Wheat drawing is identical, replaces insulation wheat to draw using insulation baking vanish.
Wherein, the described insulation baking vanish with a thickness of 0.1mm, resistivity is 0.5 × 1015Ω cm, dielectric strength are
150kV/cm, it is long when operating temperature range -55~180 DEG C.
The raw material of the insulation baking vanish includes following parts by weight of component: 30 parts of polyurethane imines, is received 30 parts of epoxy resin
Rice 5 parts of carbon crystal, benzene alkene nitrile -30 parts of butadiene-styrene copolymer, 10 parts of silicone grease, 5 parts of Pioloform, polyvinyl acetal, 6 parts of silane, phosphorus
Acid or 4 parts of phosphate, 1 part of surfactant, 1.5 parts of curing agent, 1.6 parts of film forming agent, 0.4 part of initiator.
The nanometer carbon crystal is through surface-functionalized processing, treatment process are as follows: it is 1 ﹕'s 2 that nanometer carbon crystal, which is placed in mass ratio,
Dense HNO3/ dense H2SO4Mixed liquor in, then centrifugation after being heated to reflux for 24 hours is cleaned to cleaning solution pH using deionized water
Close to 7；Material after cleaning is centrifuged, takes supernatant liquid to carry out precipitating sorting in 4-7 days, removes supernatant liquor,
Nanometer carbon crystal will be got product after lower sediment thing drying.The surfactant is fatty alcohol polyoxyethylene ether.Described
Curing agent is dihexyl triamine.The film forming agent is benzyl alcohol.The initiator is azobisisoheptonitrile.
Embodiment 3
A kind of production technology of the shielding case of spray insulation baking vanish, the automatic spray insulation baking vanish first on metal material belt, so
Punch forming afterwards.The insulation that spraying position, size and shape and the existing metallic shield inside of the insulation baking vanish are pasted
Wheat drawing is identical, replaces insulation wheat to draw using insulation baking vanish.
Wherein, the described insulation baking vanish with a thickness of 0.5mm, resistivity is 1.5 × 1015Ω cm, dielectric strength are
180kV/cm, it is long when operating temperature range -55~180 DEG C.
The raw material of the insulation baking vanish includes following parts by weight of component: 35 parts of polyurethane imines, is received 50 parts of epoxy resin
Rice 30 parts of carbon crystal, benzene alkene nitrile -40 parts of butadiene-styrene copolymer, 15 parts of silicone grease, 12 parts of Pioloform, polyvinyl acetal, 13 parts of silane,
Phosphoric acid or 9 parts of phosphate, 4 parts of surfactant, 3 parts of curing agent, 2.8 parts of film forming agent, 0.8 part of initiator.
The nanometer carbon crystal is through surface-functionalized processing, treatment process are as follows: it is 1 ﹕'s 5 that nanometer carbon crystal, which is placed in mass ratio,
Dense HNO3/ dense H2SO4Mixed liquor in, then centrifugation after being heated to reflux for 24 hours is cleaned to cleaning solution pH using deionized water
Close to 7；Material after cleaning is centrifuged, takes supernatant liquid to carry out precipitating sorting in 4-7 days, removes supernatant liquor,
Nanometer carbon crystal will be got product after lower sediment thing drying.The surfactant is fatty acid methyl ester ethoxylate.Institute
The curing agent stated is tetraethylenepentamine.The film forming agent is butyl glycol ether.The initiator is azodiisobutyronitrile.
Claims (9)
1. a kind of production technology of the shielding case of spray insulation baking vanish, which is characterized in that spraying is exhausted automatically first on metal material belt
Edge baking vanish, is then punched into type.
2. the production technology of the shielding case of spray insulation baking vanish according to claim 1, which is characterized in that the insulation is roasting
The insulation wheat drawing that spraying position, size and shape and the existing metallic shield inside of paint are pasted is identical.
3. the production technology of the shielding case of spray insulation baking vanish according to claim 1, which is characterized in that the insulation is roasting
Paint with a thickness of 0.1~0.5mm, resistivity is 0.5~1.5 × 1015Ω cm, dielectric strength are 150~180kV/cm, length
When operating temperature range -55~180 DEG C.
4. the production technology of the shielding case of spray insulation baking vanish according to claim 1, which is characterized in that the insulation is roasting
The raw material of paint includes following parts by weight of component: 30~35 parts of polyurethane imines, 30-50 parts of epoxy resin, 5-30 parts of nanometer carbon crystal,
Benzene alkene nitrile -30-40 parts of butadiene-styrene copolymer, 10-15 parts of silicone grease, 5-12 parts of Pioloform, polyvinyl acetal, 6-13 parts of silane,
Phosphoric acid or 4-9 parts of phosphate, 1-4 parts of surfactant, 1.5-3 parts of curing agent, 1.6-2.8 parts of film forming agent, initiator 0.4-0.8
Part.
5. the production technology of the shielding case of spray insulation baking vanish according to claim 4, which is characterized in that the nano-sized carbon
Crystalline substance is through surface-functionalized processing, treatment process are as follows: nanometer carbon crystal is placed in the dense HNO that mass ratio is 1 ﹕ (2-5)3/ dense H2SO4's
In mixed liquor, then centrifugation after being heated to reflux for 24 hours is cleaned using deionized water to cleaning solution pH close to 7；After cleaning
Material be centrifuged, take supernatant liquid to carry out the sorting of 4-7 days precipitatings, removal supernatant liquor dries lower sediment thing
After get product nanometer carbon crystal.
6. the production technology of the shielding case of spray insulation baking vanish according to claim 4, which is characterized in that the surface is living
Property agent be any one of pelopon A, fatty alcohol polyoxyethylene ether, fatty acid methyl ester ethoxylate.
7. the production technology of the shielding case of spray insulation baking vanish according to claim 4, which is characterized in that the curing agent
For tetraethylenepentamine or dihexyl triamine.
8. the production technology of the shielding case of spray insulation baking vanish according to claim 4, which is characterized in that the film forming agent
For ethylene glycol, propylene glycol, hexylene glycol, benzyl alcohol, diglycol, propylene-glycol ethyl ether, butyl glycol ether, propandiol butyl ether,
One or more of butyl glycol ether acetic acid esters and Lauryl Alcohol ester combine.
9. the production technology of the shielding case of spray insulation baking vanish according to claim 4, which is characterized in that the initiator
For azodiisobutyronitrile and azobisisoheptonitrile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811030761.6A CN109251629A (en) | 2018-09-05 | 2018-09-05 | A kind of production technology of the shielding case of spray insulation baking vanish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811030761.6A CN109251629A (en) | 2018-09-05 | 2018-09-05 | A kind of production technology of the shielding case of spray insulation baking vanish |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109251629A true CN109251629A (en) | 2019-01-22 |
Family
ID=65046984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811030761.6A Pending CN109251629A (en) | 2018-09-05 | 2018-09-05 | A kind of production technology of the shielding case of spray insulation baking vanish |
Country Status (1)
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| CN (1) | CN109251629A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11474385B1 (en) * | 2018-12-02 | 2022-10-18 | Cardinal Ig Company | Electrically controllable privacy glazing with ultralow power consumption comprising a liquid crystal material having a light transmittance that varies in response to application of an electric field |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56106975A (en) * | 1980-01-30 | 1981-08-25 | Fujikura Ltd | Insulated wire |
| CN105667108A (en) * | 2016-03-30 | 2016-06-15 | 上海维衡精密电子股份有限公司 | Metal shielding cover material strap type insulation paint printing method and metal shielding cover material strap |
| CN105778753A (en) * | 2016-04-29 | 2016-07-20 | 河南省豫星华晶微钻有限公司 | Insulating paint and preparation method thereof |
| CN206490708U (en) * | 2017-03-09 | 2017-09-12 | 广东欧珀移动通信有限公司 | Mobile terminal |
| CN108384378A (en) * | 2018-02-05 | 2018-08-10 | 合肥峰腾节能科技有限公司 | A kind of communication cable surface insulation paint and preparation method thereof |
-
2018
- 2018-09-05 CN CN201811030761.6A patent/CN109251629A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56106975A (en) * | 1980-01-30 | 1981-08-25 | Fujikura Ltd | Insulated wire |
| CN105667108A (en) * | 2016-03-30 | 2016-06-15 | 上海维衡精密电子股份有限公司 | Metal shielding cover material strap type insulation paint printing method and metal shielding cover material strap |
| CN105778753A (en) * | 2016-04-29 | 2016-07-20 | 河南省豫星华晶微钻有限公司 | Insulating paint and preparation method thereof |
| CN206490708U (en) * | 2017-03-09 | 2017-09-12 | 广东欧珀移动通信有限公司 | Mobile terminal |
| CN108384378A (en) * | 2018-02-05 | 2018-08-10 | 合肥峰腾节能科技有限公司 | A kind of communication cable surface insulation paint and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11474385B1 (en) * | 2018-12-02 | 2022-10-18 | Cardinal Ig Company | Electrically controllable privacy glazing with ultralow power consumption comprising a liquid crystal material having a light transmittance that varies in response to application of an electric field |
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Application publication date: 20190122 |
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