CN106191949A - A kind of special engineering plastics method for coarsening surface - Google Patents
A kind of special engineering plastics method for coarsening surface Download PDFInfo
- Publication number
- CN106191949A CN106191949A CN201610507442.4A CN201610507442A CN106191949A CN 106191949 A CN106191949 A CN 106191949A CN 201610507442 A CN201610507442 A CN 201610507442A CN 106191949 A CN106191949 A CN 106191949A
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- China
- Prior art keywords
- engineering plastics
- special engineering
- coarsening
- carried out
- special
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/54—Electroplating of non-metallic surfaces
- C25D5/56—Electroplating of non-metallic surfaces of plastics
Abstract
The invention provides a kind of special engineering plastics method for coarsening surface.This special engineering plastics method for coarsening surface, comprises the following steps: provide a special engineering plastics；The concentrated sulphuric acid of this special engineering plastics 98wt% is carried out surface process；With swelling agent, this special engineering plastics is carried out swelling process afterwards；This special engineering plastics is roughened, abatement processes；With etching liquid, the special engineering plastics after processing is carried out chemical etching afterwards；After the special engineering plastics after chemical etching is neutralized process；And the special engineering plastics after neutralisation treatment is carried out activation processing, i.e. obtain the surface coarsening layer of special engineering plastics.Above-mentioned special engineering plastics surface coarsening processing method, owing to using the etching liquid not conforming to chromic acid that special engineering plastics is carried out chemical etching, pollution on the environment is less, reduces contaminant capacity from source.
Description
Technical field
The present invention relates to special engineering plastics electroplating surface field, particularly relate to a kind of special engineering plastics surface coarsening
Processing method.
Background technology
Special engineering plastics is due to its light weight, the many advantages such as product manufacturing operation is few, high efficiency, relative cost are low
It is introduced into the product for civilian use from military project aerospace industry.In recent years, aviation, communication, medical treatment, automobile and other industries it are widely popularized to.?
In utilization, when surface demand metallization application is upper, on the one hand environmental protection policy control makes conventional chromic acid roughening process by increasingly
Big constraint；Another also seldom occurred by common plastics plating leakage, the poor platings such as high/low temperature adhesion test is by product market
The bottleneck of developing.
Summary of the invention
Based on this, it is necessary to provide the special engineering plastics surface coarsening processing method of a kind of safety and environmental protection.
A kind of special engineering plastics method for coarsening surface, comprises the following steps:
One special engineering plastics is provided；
The concentrated sulphuric acid of this special engineering plastics 98wt% is carried out surface process, and the process time is 3～8min；
With swelling agent, this special engineering plastics is carried out swelling process afterwards；
This special engineering plastics is roughened, abatement processes；
With etching liquid, the special engineering plastics after processing being carried out chemical etching afterwards, every liter of described etching liquid is by following components
Composition: NaPS 150～250g/L, benzene 15～80g/L, tetrahydrochysene furan sodium 30～60g/L and sulphuric acid 40～100ml/L, etching temperature
Being 25～30 DEG C, etch period is 5～10min；
After the special engineering plastics after chemical etching is neutralized process, the solution of neutralisation treatment is 10%wt's
NaOH solution, neutral temperature is 45～50 DEG C, and the neutralization time is 5～10min；And
Special engineering plastics after neutralisation treatment is carried out activation processing, i.e. obtains the surface coarsening of special engineering plastics
Layer.
Wherein in an embodiment, swelling agent consists of the following components in percentage by weight: ethyl acetate 5～15%,
Ethyl acetoacetate 15～30%, N-Methyl pyrrolidone 25～35%, dimethyl sulfoxide 5～15%, octyl phenyl polyoxy second
Alkene ether 1～2% and water surplus.
Wherein in an embodiment, every liter of described etching liquid is composed of the following components: NaPS 200～250g/L, benzene 30
～80g/L, tetrahydrochysene furan sodium 40～60g/L and sulphuric acid 50～100ml/L.
Wherein in an embodiment, be roughened this special engineering plastics, the step of abatement processes also includes: every liter
The roughening solution of roughening treatment is composed of the following components: potassium permanganate 65g/L, NaOH100～160g/L, and coarsening time is 5
～10min；The scrubbing solution of every liter of abatement processes consists of the following components in percentage by weight: sulphuric acid 10%, hydrogen peroxide
10% and water surplus, scrubbing temperature is 55～60 DEG C, and the scrubbing time is 5～7min.
Above-mentioned special engineering plastics surface coarsening processing method, owing to using the etching liquid without chromic acid to mould special engineered
Material carries out chemical etching, and pollution on the environment is less, reduces contaminant capacity from source；Further, since etching liquid contains
Benzene and NaPS, can react with special engineering plastics surface, removes the top layer complexity nitride layer of special engineering plastics, leaves bullet
Layer also introduces such as the actively group such as hydroxyl and unsaturated bond, and these groups make special engineering plastics surface to increase, contact angle becomes
Little, wellability improves, the roughness of special engineering plastics is improved, it is achieved special engineering plastics surface metal-layer without plating leakage,
The effect that adhesion is excellent.
Detailed description of the invention
Below presently preferred embodiments of the present invention is described in detail so that advantages of the present invention and special type can be easier to by
It will be appreciated by those skilled in the art that thus protection scope of the present invention is made apparent clear and definite defining.
A kind of special engineering plastics method for electroplating surface, comprises the steps: surface process → washing → washing → swelling
→ washing → washing → roughening → washing → washing → scrubbing → washing → washing → chemical etching → washing → washing → neutralization
→ washing → washing → activation → washing → washing → sensitization → washing → washing → nickel preplating → washing → washing → copper facing.
Wherein it is desired to first special engineering plastics is carried out roughening treatment, form surface coarsening on special engineering plastics surface
Layer, after carry out nickel plating and copper plating treatment, i.e. complete special engineering plastics electroplating surface process.
A kind of special engineering plastics method for coarsening surface, comprises the following steps:
(1) special engineering plastics is provided.
(2) concentrated sulphuric acid to this special engineering plastics 98wt% carries out surface process, and the process time is 3～8min.
(3) with swelling agent, this special engineering plastics is carried out swelling process after.
Swelling agent is the swelling agent that engineering plastics are conventional.Preferably, swelling agent consists of the following components in percentage by weight:
Ethyl acetate 5～15%, ethyl acetoacetate 15～30%, N-Methyl pyrrolidone 25～35%, dimethyl sulfoxide 5～
15%, octyl phenyl polyoxyethylene ether 1～2% and water surplus.
The concordance acting as raising special engineering plastics etched surface of swelling agent, it is ensured that good binding force of cladding material.
(4) this special engineering plastics is roughened, abatement processes.
Wherein, the roughening solution of every liter of roughening treatment is composed of the following components: potassium permanganate 65g/L, NaOH100～
160g/L, coarsening time is 5～10min.Roughening solution act as being roughened special engineering plastics surface, follow-up extraordinary work
Engineering plastics surface and the adhesion of institute's metal cladding.
The scrubbing solution of every liter of abatement processes consists of the following components in percentage by weight: sulphuric acid 10%, hydrogen peroxide
10% and water surplus, scrubbing temperature is 55～60 DEG C, and the scrubbing time is 5～7min.
(5) with etching liquid, the special engineering plastics after processing being carried out chemical etching after, every liter of etching liquid is by following components
Composition: NaPS 150～250g/L, benzene 15～80g/L, tetrahydrochysene furan sodium 30～60g/L and sulphuric acid 40～100ml/L, etching temperature
Being 25～30 DEG C, etch period is 5～10min.
Wherein, every liter of etching liquid is composed of the following components: NaPS 200～250g/L, benzene 30～80g/L, tetrahydrochysene furan sodium 40
～60g/L and sulphuric acid 50～100ml/L.
With etching liquid, special engineering plastics is carried out chemical etching process, special engineering plastics surface can be made to obtain unanimously
The good roughness of property.
(6) after, the special engineering plastics after chemical etching being neutralized process, the solution of neutralisation treatment is 10%wt
NaOH solution, neutral temperature is 45～50 DEG C, and the neutralization time is 5～10min.
The acidic materials of special engineering plastics remained on surface can be neutralized by neutralisation treatment operation, and can improve follow-up
The coat of metal and the adhesion of special engineering plastics.
(7) special engineering plastics after neutralisation treatment being carried out activation processing, the surface i.e. obtaining special engineering plastics is thick
Change layer.
Activation processing operation can make special engineering plastics surface reach electroless nickel or the purpose of copper deposition.
Above-mentioned special engineering plastics surface coarsening processing method, owing to using the etching liquid without chromic acid to mould special engineered
Material carries out chemical etching, and pollution on the environment is less, reduces contaminant capacity from source；Further, since etching liquid contains
Benzene and NaPS, can react with special engineering plastics surface, removes the top layer complexity nitride layer of special engineering plastics, leaves bullet
Layer also introduces such as the actively group such as hydroxyl and unsaturated bond, and these groups make special engineering plastics surface to increase, contact angle becomes
Little, wellability improves, the roughness of special engineering plastics is improved, it is achieved special engineering plastics surface metal-layer without plating leakage,
The effect that adhesion is excellent.
Below in conjunction with embodiment, the invention will be further elaborated.
Embodiment 1
A kind of special engineering plastics method for coarsening surface, comprises the following steps:
(1) special engineering plastics is provided.
(2) concentrated sulphuric acid to this special engineering plastics 98wt% carries out surface process, and the process time is 5min.
(3) with swelling agent, this special engineering plastics is carried out swelling process after.
(4) this special engineering plastics is roughened, abatement processes；
Wherein, the roughening solution of every liter of roughening treatment is composed of the following components: potassium permanganate 65g/L, NaOH100g/L,
Coarsening time is 5min.
The scrubbing solution of every liter of abatement processes consists of the following components in percentage by weight: sulphuric acid 10%, hydrogen peroxide
10% and water surplus, scrubbing temperature is 55 DEG C, and the scrubbing time is 5min.
(5) with etching liquid, the special engineering plastics after processing being carried out chemical etching after, every liter of etching liquid is by following components
Composition: NaPS 150g/L, benzene 15g/L, tetrahydrochysene furan sodium 30g/L and sulphuric acid 40ml/L, etching temperature is 25 DEG C, and etch period is
5min。
(6) after, the special engineering plastics after chemical etching being neutralized process, the solution of neutralisation treatment is 10%wt
NaOH solution, neutral temperature is 45 DEG C, and the neutralization time is 5min.
(7) special engineering plastics after neutralisation treatment being carried out activation processing, the surface i.e. obtaining special engineering plastics is thick
Change layer.
The skin-friction coefficient of the surface coarsening layer of special engineering plastics obtained above is 0.35, and roughening degree increases, and connects
Feeler reduces.
After obtaining having the special engineering plastics sensitized treatment of surface coarsening layer, carry out nickel plating, copper plating treatment, obtain electricity
Special engineering plastics after plating.
Adhesion strength to the special engineering plastics test coating after plating with surface coarsening layer, test result is: bonding
Intensity is 1.85～1.90kg/cm, fully meets the requirement of adhesion strength.
Embodiment 2
A kind of special engineering plastics method for coarsening surface, comprises the following steps:
(1) special engineering plastics is provided.
(2) concentrated sulphuric acid to this special engineering plastics 98wt% carries out surface process, and the process time is 8min.
(3) with swelling agent, this special engineering plastics is carried out swelling process after.
(4) this special engineering plastics is roughened, abatement processes.
Wherein, the roughening solution of every liter of roughening treatment is composed of the following components: potassium permanganate 65g/L, NaOH160g/L,
Coarsening time is 10min.
The scrubbing solution of every liter of abatement processes consists of the following components in percentage by weight: sulphuric acid 10%, hydrogen peroxide
10% and water surplus, scrubbing temperature is 60 DEG C, and the scrubbing time is 7min.
(5) with etching liquid, the special engineering plastics after processing being carried out chemical etching after, every liter of etching liquid is by following components
Composition: NaPS 250g/L, benzene 80g/L, tetrahydrochysene furan sodium 60g/L and sulphuric acid 100ml/L, etching temperature is 30 DEG C, and etch period is
10min。
Wherein, every liter of etching liquid is composed of the following components: NaPS 250g/L, benzene 80g/L, tetrahydrochysene furan sodium 60g/L and sulphuric acid
100ml/L。
(6) after, the special engineering plastics after chemical etching being neutralized process, the solution of neutralisation treatment is 10%wt
NaOH solution, neutral temperature is 50 DEG C, and the neutralization time is 10min.
(7) special engineering plastics after neutralisation treatment being carried out activation processing, the surface i.e. obtaining special engineering plastics is thick
Change layer.
The skin-friction coefficient of the surface coarsening layer of special engineering plastics obtained above is 0.38, and roughening degree increases, and connects
Feeler reduces.
After obtaining having the special engineering plastics sensitized treatment of surface coarsening layer, carry out nickel plating, copper plating treatment, obtain electricity
Special engineering plastics after plating.
Adhesion strength to the special engineering plastics test coating after plating with surface coarsening layer, test result is: bonding
Intensity is 1.92～1.94kg/cm, fully meets the requirement of adhesion strength.
Embodiment 3
A kind of special engineering plastics method for coarsening surface, comprises the following steps:
(1) special engineering plastics is provided.
(2) concentrated sulphuric acid to this special engineering plastics 98wt% carries out surface process, and the process time is 6min.
(3) with swelling agent, this special engineering plastics is carried out swelling process after.
(4) this special engineering plastics is roughened, abatement processes.
Wherein, the roughening solution of every liter of roughening treatment is composed of the following components: potassium permanganate 65g/L, NaOH130g/L,
Coarsening time is 10min.Roughening solution act as be roughened special engineering plastics surface, follow-up special engineering plastics surface
Adhesion with institute's metal cladding.
The scrubbing solution of every liter of abatement processes consists of the following components in percentage by weight: sulphuric acid 10%, hydrogen peroxide
10% and water surplus, scrubbing temperature is 60 DEG C, and the scrubbing time is 7min.
(5) with etching liquid, the special engineering plastics after processing being carried out chemical etching after, every liter of etching liquid is by following components
Composition: NaPS 200g/L, benzene 30g/L, tetrahydrochysene furan sodium 40g/L and sulphuric acid 50ml/L, etching temperature is 30 DEG C, and etch period is
10min。
(6) after, the special engineering plastics after chemical etching being neutralized process, the solution of neutralisation treatment is 10%wt
NaOH solution, neutral temperature is 45～50 DEG C, and the neutralization time is 5～10min.
(7) special engineering plastics after neutralisation treatment being carried out activation processing, the surface i.e. obtaining special engineering plastics is thick
Change layer.
The skin-friction coefficient of the surface coarsening layer of special engineering plastics obtained above is 0.36, and roughening degree increases, and connects
Feeler reduces.
After obtaining having the special engineering plastics sensitized treatment of surface coarsening layer, carry out nickel plating, copper plating treatment, obtain electricity
Special engineering plastics after plating.
Adhesion strength to the special engineering plastics test coating after plating with surface coarsening layer, test result is: bonding
Intensity is 1.90～1.94kg/cm, fully meets the requirement of adhesion strength.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that, for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (4)
1. a special engineering plastics method for coarsening surface, it is characterised in that comprise the following steps:
One special engineering plastics is provided；
The concentrated sulphuric acid of this special engineering plastics 98wt% is carried out surface process, and the process time is 3～8min；
With swelling agent, this special engineering plastics is carried out swelling process afterwards；
This special engineering plastics is roughened, abatement processes；
With etching liquid, the special engineering plastics after processing being carried out chemical etching afterwards, every liter of described etching liquid is by following components group
Become: NaPS 150～250g/L, benzene 15～80g/L, tetrahydrochysene furan sodium 30～60g/L and sulphuric acid 40～100ml/L, etching temperature is
25～30 DEG C, etch period is 5～10min；
After the special engineering plastics after chemical etching is neutralized process, the solution of neutralisation treatment is that the NaOH of 10%wt is molten
Liquid, neutral temperature is 45～50 DEG C, and the neutralization time is 5～10min；And
Special engineering plastics after neutralisation treatment is carried out activation processing, i.e. obtains the surface coarsening layer of special engineering plastics.
Special engineering plastics method for coarsening surface the most according to claim 1, it is characterised in that swelling agent is by following weight
The component composition of percentage ratio: ethyl acetate 5～15%, ethyl acetoacetate 15～30%, N-Methyl pyrrolidone 25～35%,
Dimethyl sulfoxide 5～15%, octyl phenyl polyoxyethylene ether 1～2% and water surplus.
Special engineering plastics method for coarsening surface the most according to claim 1, it is characterised in that every liter of described etching liquid by
Following components forms: NaPS 200～250g/L, benzene 30～80g/L, tetrahydrochysene furan sodium 40～60g/L and sulphuric acid 50～100ml/L.
Special engineering plastics method for coarsening surface the most according to claim 1, it is characterised in that to this special engineering plastics
Carry out being roughened, the step of abatement processes also includes: the roughening solution of every liter of roughening treatment is composed of the following components: potassium permanganate
65g/L, NaOH 100～160g/L, coarsening time is 5～10min；The scrubbing solution of every liter of abatement processes is by following weight
Percentage ratio component composition: sulphuric acid 10%, hydrogen peroxide 10% and water surplus, scrubbing temperature is 55～60 DEG C, the scrubbing time be 5～
7min。
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|---|---|---|---|
| CN201610507442.4A CN106191949A (en) | 2016-06-24 | 2016-06-24 | A kind of special engineering plastics method for coarsening surface |
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| CN201610507442.4A CN106191949A (en) | 2016-06-24 | 2016-06-24 | A kind of special engineering plastics method for coarsening surface |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110983306A (en) * | 2019-11-21 | 2020-04-10 | 深圳市飞荣达科技股份有限公司 | Surface roughening method before plating of liquid crystal polymer plastic and liquid crystal polymer plastic |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268657A (en) * | 2011-07-28 | 2011-12-07 | 陕西师范大学 | Surface roughening method before chemical plating of polycarbonate engineering plastics |
-
2016
- 2016-06-24 CN CN201610507442.4A patent/CN106191949A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268657A (en) * | 2011-07-28 | 2011-12-07 | 陕西师范大学 | Surface roughening method before chemical plating of polycarbonate engineering plastics |
Non-Patent Citations (1)
| Title |
|---|
| 马倩: "ABS-聚碳酸酯工程塑料化学镀前表面粗化方法的研究", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110983306A (en) * | 2019-11-21 | 2020-04-10 | 深圳市飞荣达科技股份有限公司 | Surface roughening method before plating of liquid crystal polymer plastic and liquid crystal polymer plastic |
| CN110983306B (en) * | 2019-11-21 | 2021-12-03 | 深圳市飞荣达科技股份有限公司 | Surface roughening method before plating of liquid crystal polymer plastic and liquid crystal polymer plastic |
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