CN106191780A - A kind of molecule copper and a kind of in the method for metal surface overlay film of paddling - Google Patents
A kind of molecule copper and a kind of in the method for metal surface overlay film of paddling Download PDFInfo
- Publication number
- CN106191780A CN106191780A CN201610527182.7A CN201610527182A CN106191780A CN 106191780 A CN106191780 A CN 106191780A CN 201610527182 A CN201610527182 A CN 201610527182A CN 106191780 A CN106191780 A CN 106191780A
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- Prior art keywords
- paddling
- copper
- metal surface
- overlay film
- temperature
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Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/12—Organic material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physical Vapour Deposition (AREA)
Abstract
The invention provides a kind of molecule copper and a kind of in the method for metal surface overlay film of paddling.Described molecule copper-clad includes paddles copper and covers the macromolecule layer on described copper table surface of paddling, and described macromolecule layer is made up of macromolecular material.Described in the method for metal surface overlay film of paddling, comprise the following steps: paddle copper and Parylene are provided, described copper of paddling is carried out surface cleaning process；Described copper of paddling is shelved；Copper of paddling after shelving is placed in settling chamber, described Parylene is placed in vaporization chamber, first total system is carried out evacuation process, make vacuum≤40Pa, then described vaporization chamber, cracking room and described settling chamber being carried out heat treated, being cracked into monomer, cross-linked polymeric after making the distillation of described Parylene is 100～300 DEG C in described copper surface of paddling, the heating-up temperature of described vaporization chamber, the heating-up temperature of described cracking room is 500～850 DEG C, heating-up temperature≤50 DEG C of described settling chamber.
Description
Technical field
The invention belongs to metal surface, particularly relate to a kind of molecule copper and a kind of in the method for metal surface overlay film of paddling.
Background technology
Showing according to related data, China is paddle one of copper product manufacturing country and exported country maximum in the world.Copper has
Having the most outstanding bacteriostasis property, the copper product of paddling that domestic and international market is sold is all using copper alloy as main raw material(s).Copper
Alloy mainly contains copper and zinc element, in addition, goes back the trace element such as iron content, aluminum, lead, stannum, manganese, silicon, nickel, cadmium.Copper alloy
In casting process, it will usually change casting processing characteristics by adding lead.If copper alloy is without lead, it is possible to can go out
Now cutting the problem such as difficulty, forging property difference, the copper product of paddling prepared as raw material also can be because of anti-stress corrosion performance difference
Cause cracking.Some enterprises are in order to improve the cutting ability of pyrite and reduce cost, and in its pyrite used, lead content reaches 3%
～6%.Due to lead not solid solution substantially in pyrite, existing with microparticulate form distribution at piece surface, current are out-of-date, copper of paddling
Lead ion within goods can separate out continually, ultimately results in " lead doping " in water.Lead and compound tissue each to human body thereof
The most toxic, may result in diarrhoea, vomiting, dizziness, stupor, anemia, hepatorenal damage etc..When human body takes in a certain amount of lead, meeting
Cause " lead poisoning ", affect human body hemopoietic function, nervous system and kidney；Along with the increase of the intake of lead, there is also again
Raw malfunction.It addition, trace element such as zinc in copper alloy, cadmium, nickel, it is also possible to activate in forging process, with water
It is exuded in water during contact, and then is enriched with at people's body accumulation, if it exceeds the tolerant limit of human body, human body can be caused anxious
Property poisoning, subacute poisoning, chronic poisoning etc., people is known from experience and causes the biggest harm.Visible, existing copper product of paddling faces
Safe and sanitary problem.In order to solve this problem, manufacturer uses the stainless steel material of food stage to replace copper alloy, to reach anti-
The only purpose of heavy metal pollution.But stainless steel material is relatively costly, complex forming technology, structure realizes being difficult to.
Summary of the invention
It is an object of the invention to provide a kind of molecule copper, it is intended to solve the heavy metals such as existing leaded, the zinc of copper product of paddling
Element, after meeting water, lead, zinc etc. easily separate out, and affect copper product of paddling and use health, the problem of safety.
Another object of the present invention is to provide a kind of in the method for metal surface overlay film of paddling.
The present invention is achieved in that a kind of molecule copper, including paddling copper and covering on described copper table surface of paddling
Macromolecule layer, described macromolecule layer is made up of macromolecular material, and the Young's modulus >=2200Mpa of described macromolecular material；Weight
Every 24 hours of amount water absorption rate≤0.1%；Steam permeability≤2.0g.mil/100in2.d, environmental condition is 37 DEG C/90RH.
And, a kind of in the method for metal surface overlay film of paddling, comprise the following steps:
Offer is paddled copper and Parylene, and described copper of paddling is carried out surface cleaning process；
Described copper of paddling is shelved；
Copper of paddling after shelving is placed in settling chamber, described Parylene is placed in vaporization chamber, first takes out total system
Application of vacuum, makes vacuum≤40Pa, then described vaporization chamber, cracking room and described settling chamber is carried out heat treated, make institute
It is cracked into monomer, cross-linked polymeric on described copper surface of paddling after stating Parylene distillation, forms macromolecule layer, wherein, described evaporation
The heating-up temperature of room is 100～300 DEG C, and the heating-up temperature of described cracking room is 500～850 DEG C, the heating temperature of described settling chamber
Spend≤50 DEG C.
The molecule copper that the present invention provides, uses macromolecule layer to cover and is formed on described copper surface of paddling, uniform film thickness, film layer
Densification, and water proofing property is strong, it is possible to thorough partition drinking water contacts with copper product, reaches to prevent the mesh of heavy metal ion releasing
So that molecule copper meets paddle health and security requirement.Additionally, the molecule copper that the present invention provides, being not susceptible to property becomes, and
Water absorption is low, is difficult to breed bacteria, further increases stability and the safety of molecule copper.
The present invention provide in the method for metal surface overlay film of paddling, macromolecular material Parylene used is medical material
Material, meets safe and sanitary of paddling；And coating processes is simple to operate, technical maturity, conveniently production, film layer compactness is good, can be thoroughly
Isolation drinking water copper product of such as paddling with metal of paddling contact, stops heavy metal in water and exceeds standard, thus solution is paddled, metal such as relates to
The safe and sanitary problem of the Heavy Metal Pollution health that water copper product may cause.
Detailed description of the invention
In order to make the technical problem to be solved in the present invention, technical scheme and beneficial effect clearer, below in conjunction with
Embodiment, is further elaborated to the present invention.Should be appreciated that specific embodiment described herein is only in order to explain
The present invention, is not intended to limit the present invention.
Goods of paddling described in the embodiment of the present invention refer to use during can the goods that contact with water, described in metal of paddling be
The metallic article that can contact with water during referring to use, the copper that can contact with water during referring to use such as described copper of paddling
Product.
Embodiments provide a kind of molecule copper, including paddling copper and covering on described copper table surface of paddling
Macromolecule layer, described macromolecule layer is made up of macromolecular material, and the Young's modulus >=2200Mpa of described macromolecular material；Weight
Every 24 hours of amount water absorption rate≤0.1%；Steam permeability≤2.0g.mil/100in2.d, environmental condition is 37 DEG C/90RH.
In the embodiment of the present invention, the Young's modulus >=2200Mpa of described macromolecular material, Young's modulus is big, the film of formation
Layer is not susceptible to deformation；Every 24 hours of weight water absorption rate≤0.1% of described macromolecular material, water absorption is poor, it is possible to make shape
The best hold mode of film layer become, prevents bacteria breed；Steam permeability≤the 2.0g.mil/ of described macromolecular material
100in2.d, thus preferably avoid contacting of water and described copper of paddling.The embodiment of the present invention uses macromolecule layer to cover in institute
State the surface of copper of paddling, can thoroughly cut off contacting of drinking water and copper product, reach to prevent the purpose of heavy metal ion releasing,
Molecule copper is made to meet paddle health and safety.
In the embodiment of the present invention, described macromolecular material includes but not limited to Parylene (Parylene), epoxy resin, has
At least one in machine silicones, polyacrylate.Preferred described macromolecular material, can be by adding thermal cracking, monomer generation
Cross-linked polymeric copper surface of paddling described in being deposited on, form uniform, fine and close film layer, so that described macromolecule layer water-resisting property
Can be more preferably.It is furthermore preferred that described macromolecular material is Parylene, described Parylene is the dimer of a kind of dimethylbenzene, tool
Having the highly crystalline structure of complete dominance, therefore, the film layer of formation is more stable, fine and close and uniform, so that water isolating
The most excellent.
Further, the thickness of described macromolecule layer is preferably 10-50 μm.This preferred thickness, can be described in guarantee
On the premise of macromolecule layer gives full play to effect, reduce production cost.
The molecule copper that the embodiment of the present invention provides, uses macromolecule layer to cover and is formed on described copper surface of paddling, and thickness is equal
Even, film layer densification, and water proofing property is strong, it is possible to thorough partition drinking water contacts with copper product, reaches to prevent heavy metal ion from analysing
The purpose gone out so that molecule copper meets paddle health and security requirement.Additionally, the molecule copper that the embodiment of the present invention provides, no
Easily generation property becomes, and water absorption is low, is difficult to breed bacteria, further increases stability and the safety of molecule copper.
When described macromolecular material is Parylene, described molecule copper can prepare by the following method.
The embodiment of the present invention additionally provides a kind of in the method for metal surface overlay film of paddling, and comprises the following steps:
S01., paddle copper and Parylene are provided, described copper of paddling is carried out surface cleaning process；
In the embodiment of the present invention, described Parylene is the macromolecular material of fairly linear highly crystalline structure, and full
Foot " Young's modulus >=2200Mpa；Every 24 hours of weight water absorption rate≤0.1%；Steam permeability≤2.0g.mil/100in2.d,
Environmental condition is 37 DEG C/90RH " requirement, therefore, with it as raw material, paddling, macromolecule layer is prepared on copper surface, can be thorough
Partition drinking water contacts with copper product, reaches to prevent the purpose of heavy metal ion releasing so that molecule copper meets health of paddling
And safety.
Copper product of paddling, in the course of processing, often remains greasy dirt, cutting fluid, metal fragment etc., additionally processes life
Copper product surface temperature of paddling during product is higher, easily produces rusty stain and the oxidation film layer of local, it is therefore desirable to be cleaned.Specifically
, the method that described copper of paddling carries out surface cleaning process is preferably: be placed in container by described copper of paddling, and adds solvent
Metal surface cleaning agent carries out immersion treatment, and soak time is 30～40min；With scour without sediment motion after taking-up, then it is dried
Processing, the temperature of described dried is 60～80 DEG C, to avoid high temperature to cause material and the performance of described copper of paddling not
Profit impact.Wherein, described container is unrestricted, can use tank, described solvent metal surface cleaning agent preferably three chloroethene
Alkene solution, hydrocarbon cleaning agent solution, carbonization water cellulose solution, preferred described solvent metal surface cleaning agent can be removed well
The material on described copper surface of paddling and residue.When using scour without sediment motion, fur brush can be used to scrub, thoroughly remove different
Thing.
S02. described copper of paddling is shelved；
Concrete, described in the mode shelved can be divided into hang and flat manner.Hang is used to reduce described
Paddling the contact area of copper and fixed tray, but operation is more, dismounting is difficult to, and production efficiency is low, relatively costly.The present invention is real
Execute example more preferably to use and keep flat holding frame mode, described copper of paddling is lain on pallet uniformly.Further, described pallet is
The latticed pallet of hollow out, can reduce further described in paddle the contact area of copper and pallet, it is ensured that after overlay film, product is complete
Property；Additionally, use flat manner can effectively utilize the space of settling chamber, in limited space, place copper of more paddling
Product, thus improve production efficiency, reduce cost.Concrete, the sizing grid of hollow out grid, grid lines thickness need to be according to copper
Profile and the weight of product determine.
S03. the copper of paddling after shelving is placed in settling chamber, described Parylene is placed in vaporization chamber, first to total system
Carry out evacuation process, make vacuum≤40Pa, then described vaporization chamber, cracking room and described settling chamber are carried out at heating
Reason, is cracked into monomer, cross-linked polymeric on described copper surface of paddling after making described Parylene distillation, forms macromolecule layer, wherein,
The heating-up temperature of described vaporization chamber is 100～300 DEG C, and the heating-up temperature of described cracking room is 500～850 DEG C, described settling chamber
Heating-up temperature≤50 DEG C.
Concrete, the copper of paddling after first shelving is placed in settling chamber, and the raw material Parylene of coating is positioned over evaporation
Room, then carries out evacuation to whole system (including but not limited to vaporization chamber, cracking room, settling chamber and cooling line), until
Vacuum≤40pa.This preferred vacuum, the gas being possible to prevent in air at high temperature participates in reaction, pollutes raw material, enters
And affect film performance.
Further, described vaporization chamber is heated, be gaseous state by described Parylene from solid state sublimation.Raw material
(Parylene) after forming gaseous state, can fill whole space in vacuum environment, intermolecular distance becomes big simultaneously, anti-for follow-up cracking
Should be ready.Wherein, described vaporization chamber heating-up temperature is maintained at 100～300 DEG C, more preferably 150 DEG C.If temperature is too low,
The evaporation of described Parylene can not be realized fully；If temperature is too high, also can reach the purpose of raw material evaporation, but will consume more
Many energy, not environmentally, proposes higher requirement to evaporation equipment simultaneously, puts into bigger, and cost is higher.
Gas after evaporation enters described cracking room, heats described cracking room, makes described Parylene be cracked into
Gaseous monomer.Wherein, the heating-up temperature of described cracking room is maintained at 500～850 DEG C, more preferably 650 DEG C.If temperature is too low,
The cracking of described Parylene can not be realized fully；If temperature is too high, micel, it may happen that uncontrollable cracking, will cause
Pyrolysis product generation irreversible denaturation, it is impossible to reach the performance requirement of subsequent deposition.
Gaseous monomer after cracking passes through tube-cooled, enters into settling chamber, crystallizes on described copper surface of paddling, raw
Become a fine and close tunic.Wherein, temperature≤50 DEG C of described deposition, more preferably 30～50 DEG C, the time of described deposition is 28
～36h, more preferably 30h.In the embodiment of the present invention, described gaseous monomer is cooled down, so that described gaseous monomer
The most intermolecular behind immersion deposition room crosslink, form new molecular link thus copper of paddling described in being deposited on
Surface shape film forming layer.If not carrying out cooling process, the most described gaseous monomer is always maintained at single little molecularity, intermolecular cannot
Crosslinking, it is impossible to film forming.
In the embodiment of the present invention, described vaporization chamber, cracking room and settling chamber carry out heat treated the most simultaneously, to avoid
Cracking room heating affects lytic effect, deposition chamber heat not in time and affects the cross-linking effect between monomer, and then impact not in time
The performance of described macromolecule layer, such as uniform, compactness.
As the presently preferred embodiments, the thickness of described macromolecule layer is 10-50 μm.
As particular preferred embodiment, in above-mentioned steps S03, the heating-up temperature of described vaporization chamber is 150 DEG C, described cracking
The heating-up temperature of room is 650 DEG C, and the heat time heating time of described settling chamber is 30h.
In embodiment of the present invention S03 step, described Parylene is solid monomer by gaseous state crystallization conversion and deposit cavity is
Vacuum environment so that described monomer can with all surface of copper of paddling described in uniform contact and by chemical crosslinking polymerization,
Further precipitation, obtains the described macromolecule layer that uniform film thickness, film layer are fine and close, can thoroughly cut off connecing of drinking water and copper product
Touch, reach to prevent the purpose of heavy metal ion releasing.
In the embodiment of the present invention, after deposition terminates, close all firing equipments, collect tail gas by cold-trap, cold-trap
Temperature is-90～-135 DEG C, and tail gas will become solid-state, and question response instrument is cooled to room temperature, is filled with air from described vaporization chamber, takes
Go out sample, clear up instrument.
In above-mentioned each method embodiment, other metals of paddling that can use beyond copper replace paddling copper, obtain corresponding
Paddle metallic article.
The embodiment of the present invention provide in the method for metal surface overlay film of paddling, macromolecular material Parylene used is
Medical material, meets safe and sanitary of paddling；And coating processes is simple to operate, technical maturity, conveniently production, film layer compactness is good,
Can thoroughly completely cut off drinking water with metal of paddling and such as paddle copper product to contact, stop heavy metal in water and exceed standard, thus the gold that solves to paddle
Belong to the safe and sanitary problem of the Heavy Metal Pollution health that copper product of such as paddling may cause.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (10)
1. a molecule copper, it is characterised in that include paddling copper and covering the macromolecule layer on described copper table surface of paddling,
Described macromolecule layer is made up of macromolecular material, and the Young's modulus >=2200Mpa of described macromolecular material；Weight water absorption rate≤
0.1% every 24 hours；Steam permeability≤2.0g.mil/100in2.d, environmental condition is 37 DEG C/90RH.
2. molecule copper as claimed in claim 1, it is characterised in that described macromolecular material is Parylene, epoxy resin, organic
At least one in silicones, polyacrylate.
3. molecule copper as claimed in claim 1, it is characterised in that the thickness of described macromolecule layer is 10-50 μm.
4., in a method for metal surface overlay film of paddling, comprise the following steps:
Offer is paddled copper and Parylene, and described copper of paddling is carried out surface cleaning process；
Described copper of paddling is shelved；
Copper of paddling after shelving is placed in settling chamber, and described Parylene is placed in vaporization chamber, first total system is carried out evacuation
Process, make vacuum≤40Pa, then described vaporization chamber, cracking room and described settling chamber are carried out heat treated, make described group
It is cracked into monomer, cross-linked polymeric on described copper surface of paddling after the distillation of Rayleigh, forms macromolecule layer, wherein, described vaporization chamber
Heating-up temperature is 100～300 DEG C, and the heating-up temperature of described cracking room is 500～850 DEG C, the heating-up temperature of described settling chamber≤
50℃。
5. as claimed in claim 4 in the method for metal surface overlay film of paddling, it is characterised in that described surface cleaning processes
Method is: be placed in container by described copper of paddling, and adds solvent metal surface cleaning agent and carries out immersion treatment, and soak time is
30～40min；With scour without sediment motion after taking-up, being then dried process, the temperature of described dried is 60～80 DEG C.
6. as claimed in claim 4 in the method for metal surface overlay film of paddling, it is characterised in that described in shelve employing and keep flat dress
Frame mode, and be the latticed pallet of hollow out for the pallet shelved.
7. as claimed in claim 4 in the method for metal surface overlay film of paddling, it is characterised in that the time of described deposition is 28
～36h.
8. as described in claim 4-7 is arbitrary in the method for metal surface overlay film of paddling, it is characterised in that described macromolecule layer
Thickness be 10-50 μm.
9. as described in claim 4-7 is arbitrary in the method for metal surface overlay film of paddling, it is characterised in that also include deposition knot
Shu Hou, closes all firing equipments, collects tail gas by cold-trap, and the temperature of cold-trap be-90～-135 DEG C, the cooling of question response instrument
To room temperature, it is filled with air from described vaporization chamber, takes out sample, clear up instrument.
10. as described in claim 4-9 is arbitrary in the method for metal surface overlay film of paddling, it is characterised in that described in paddle copper
The metal of paddling beyond copper is used to replace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610527182.7A CN106191780A (en) | 2016-07-06 | 2016-07-06 | A kind of molecule copper and a kind of in the method for metal surface overlay film of paddling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610527182.7A CN106191780A (en) | 2016-07-06 | 2016-07-06 | A kind of molecule copper and a kind of in the method for metal surface overlay film of paddling |
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| CN106191780A true CN106191780A (en) | 2016-12-07 |
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| CN201610527182.7A Pending CN106191780A (en) | 2016-07-06 | 2016-07-06 | A kind of molecule copper and a kind of in the method for metal surface overlay film of paddling |
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| CN110677784A (en) * | 2019-09-29 | 2020-01-10 | 歌尔股份有限公司 | Loudspeaker of sound cone and applied this sound cone |
| CN110677783A (en) * | 2019-09-29 | 2020-01-10 | 歌尔股份有限公司 | Foam material, vibrating plate and loudspeaker |
| CN110677789B (en) * | 2019-09-29 | 2023-12-01 | 歌尔股份有限公司 | Composite vibrating plate and loudspeaker using same |
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| CN110677789B (en) * | 2019-09-29 | 2023-12-01 | 歌尔股份有限公司 | Composite vibrating plate and loudspeaker using same |
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Application publication date: 20161207 |