CN109338385A - Environment-friendly type room temperature aluminum base PCB remover, preparation method and application - Google Patents
Environment-friendly type room temperature aluminum base PCB remover, preparation method and application Download PDFInfo
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- CN109338385A CN109338385A CN201811322959.1A CN201811322959A CN109338385A CN 109338385 A CN109338385 A CN 109338385A CN 201811322959 A CN201811322959 A CN 201811322959A CN 109338385 A CN109338385 A CN 109338385A
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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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/22—Light metals
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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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/16—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions using inhibitors
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0085—Apparatus for treatments of printed circuits with liquids not provided for in groups H05K3/02 - H05K3/46; conveyors and holding means therefor
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Abstract
A kind of environment-friendly type room temperature aluminum base PCB remover, preparation method and application, environment-friendly type room temperature aluminum base PCB remover include each component of following mass parts: 5 parts -20 parts of hexafluoroisopropanol；5 parts -20 parts of tetrahydrofurfuryl alcohol；3 parts -10 parts of silicate；3 parts -10 parts of carbonate；50 parts -80 parts of water.Above-mentioned environment-friendly type room temperature aluminum base PCB remover, by using hexafluoroisopropanol, it has very strong dissolution to a variety of high molecular polymers, its with it is exposed after photosensitive-ink effect after, ink layer can be made to be swollen in short time, photosensitive printing ink layer is promoted to separate with substrate, to facilitate quick demoulding.Tetrahydrofurfuryl alcohol can be further improved its solvability to film layer, and then preferably photosensitive printing ink layer can be promoted to separate with substrate.It in use process, without additionally attaching protective film on PCB, and can use at normal temperature, it is thus possible to reduce production cost, improve production efficiency, and property easy to use is preferable.
Description
Technical field
The present invention relates to ejection technique fields, more particularly to a kind of environment-friendly type room temperature aluminum base PCB remover, its preparation side
Method and application.
Background technique
In PCB (Printed Circuit Board, printed circuit board) manufacturing process, after the exposed imaging of dry film, line
Road surfaces lose layer by the shield that photosensitive-ink forms, and need to be removed it with remover, just can be carried out the next step.It is many at present
PCB manufacturer still uses traditional method for demoulding, i.e., combines the corresponding molten fibre of butyl with inorganic strong alkali (such as NaOH, KOH)
Element takes off shield erosion layer in a heated condition.Using inorganic strong alkali, such as NaOH and KOH, there are many disadvantages, inorganic strong alkalis to hold for demoulding
Corrosion easily is generated to aluminum substrate；Even if adding under the conditions of corrosion inhibiter inorganic strong alkali to aluminum substrate still seriously corroded.In order to solve
The many manufacturing enterprises of this problem aluminium base plate surface attach protective film, but this not only influence the production efficiency of enterprise but also
Increase extra cost.
Chinese patent CN 105624706A discloses a kind of aluminum substrate striping concentrate and preparation method thereof and user
Method is mainly made of organic base, chelating agent, preservative, brightener, surfactant etc..Though such remover will not be right
Aluminum substrate has corrosion, but exists simultaneously the disadvantages of demoulding time is long, and demoulding is ineffective.Chinese patent CN 1219241C is disclosed
A kind of photoresist remover composition, remover its main component are fatty amine, alcohol ether solvents, polar solvent and perfluor
Alkyl vinyl oxide.Such remover replaces sodium hydroxide using fatty amine, since fatty amine alkalinity is far below sodium hydroxide,
Therefore it needs just to obtain preferable demoulding effect under the higher temperature conditions greater than 60 DEG C.However solvent holds under the high temperature conditions
Volatile, this not only endangers the health of employee but also there is also very big security risks.
Therefore a kind of environmental protection, safety, the good room temperature remover for not corroding aluminum substrate again of demoulding effect are found always in the industry
The problem of concern.
Summary of the invention
Based on this, it is necessary to provide in a kind of use process without attaching protective film, capable of using, use at normal temperature
When the not volatile and feature of environmental protection preferable environment-friendly type room temperature aluminum base PCB remover, preparation method and application.
A kind of environment-friendly type room temperature aluminum base PCB remover, each component including following mass parts:
For example, environment-friendly type room temperature aluminum base PCB remover, can use, it should be noted that of the invention is normal at normal temperature
Temperature refers to 10 degrees Celsius or more of environment temperature.Certainly, in conjunction with extreme case, environment ceiling temperature is limited as 50 degrees Celsius.When
So, environment-friendly type room temperature aluminum base PCB remover provided by the invention can also traditional 50 degrees Celsius or more at a temperature of use.
For example, environment-friendly type room temperature aluminum base PCB remover is aluminum base PCB remover or PCB remover or remover.
The silicate is at least one of sodium orthosilicate and potassium silicate in one of the embodiments,.
The carbonate is at least one of sodium carbonate and potassium carbonate in one of the embodiments,.
Environment-friendly type room temperature aluminum base PCB remover includes each component of following mass parts in one of the embodiments:
Environment-friendly type room temperature aluminum base PCB remover includes each component of following mass percent in one of the embodiments:
Environment-friendly type room temperature aluminum base PCB remover includes each component of following mass percent in one of the embodiments:
The water is deionized water in one of the embodiments,.
Its chemical formula of the sodium orthosilicate is Na in one of the embodiments,2O·nSiO2, several n that rub are 0.4-0.6.
Several n that rub in one of the embodiments, are 0.5.
Application of the environment-friendly type room temperature aluminum base PCB remover described in any embodiment as above in production aluminum base PCB field.
A kind of preparation method of environment-friendly type room temperature aluminum base PCB remover, the environment-friendly type room temperature aluminum base PCB remover are upper
Environment-friendly type room temperature aluminum base PCB remover described in any embodiment, the preparation side of the environment-friendly type room temperature aluminum base PCB remover
Method includes the following steps:
Silicate, carbonate and water are carried out to be stirred operation for the first time, obtain the first mixture；
Hexafluoroisopropanol and tetrahydrofurfuryl alcohol are added in the first mixture and are stirred operation for the second time, obtains ring
Guarantor's type room temperature aluminum base PCB remover.
Above-mentioned environment-friendly type room temperature aluminum base PCB remover, by using hexafluoroisopropanol, hexafluoroisopropanol is a kind of highly polar
Solvent, to a variety of high molecular polymers have very strong dissolution, with it is exposed after photosensitive-ink effect after, it is short
Ink layer can be made to be swollen in time, promote photosensitive printing ink layer to separate with substrate, to facilitate quick demoulding.Especially 5 parts-
When 20 parts of hexafluoroisopropanol and 5 parts -20 parts of tetrahydrofurfuryl alcohol are used in conjunction with, the dissolution of hexafluoroisopropanol, Er Qiesi can be promoted
The distinctive cyclic ethers alcohol structure of hydrogen furfuryl alcohol can be further improved its solvability to film layer, and then can preferably promote photosensitive oil
Layer of ink is separated with substrate, is more conducive to quick demoulding.By the way that silicate and carbonate is added, environment-friendly type room temperature aluminium is enabled to
Base PCB remover is integrally in alkalinity, facilitates the decomposition of macromolecule resin in color shifting ink.In addition, silicate is to aluminium, copper surface
With certain corrosion inhibition, therefore, so that corrosion inhibiter is added without additional in above-mentioned environment-friendly type room temperature aluminum base PCB remover,
Can have to the good corrosion inhibition of aluminum substrate.The addition of carbonate can make remover entirety alkalinity tend to be steady, and be conducive to
The lasting stability of demoulding performance.Above-mentioned environment-friendly type room temperature aluminum base PCB remover selects high performance demoulding solvent hexafluoroisopropanol
And tetrahydrofurfuryl alcohol, corrosion-free to aluminium and alkaline stronger silicate and carbonate are combined, by four synergistic effects, is promoted whole
The demoulding performance of remover still has splendid demoulding effect so that it is under normal temperature conditions.So that above-mentioned environment-friendly type
In room temperature aluminum base PCB remover use process, without additionally attaching protective film on PCB, and it can use at normal temperature, because
And can reduce production cost, production efficiency is improved, and property easy to use is preferable.Due to can be used at normal temperature, relative to
Traditional inorganic strong alkali combination butyl Cellosolve requires heat to the way of 60 DEG C or more high temperature, above-mentioned environment-friendly type room temperature aluminium base
It is used under PCB remover room temperature, solvent is not volatile, is conducive to the health of operator, needs under high temperature relative to tradition
Solvent readily volatilized situation when reason, above-mentioned environment-friendly type room temperature aluminum base PCB remover solvent is not volatile, because without damaging ring
Border, the feature of environmental protection are preferable.
Detailed description of the invention
The step of Fig. 1 is the preparation method of the environment-friendly type room temperature aluminum base PCB remover of one embodiment of the invention is schemed.
Specific embodiment
To facilitate the understanding of the present invention, in order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, under
In conjunction with attached drawing, specific embodiments of the present invention will be described in detail in face.It is explained in the following description many details
To facilitate a thorough understanding of the present invention, giving better embodiment of the invention in attached drawing.But the present invention can be with many not
With form realize, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making
It makes the present disclosure more fully understandable.The present invention can be to be much different from other way described herein
Implement, those skilled in the art can make similar improvements without departing from the spirit of the invention, therefore the present invention not by
The limitation of following public specific embodiment.In addition, term " first ", " second " are used for description purposes only, and should not be understood as
Indication or suggestion relative importance or the quantity for implicitly indicating indicated technical characteristic." first ", " are defined as a result,
Two " feature can explicitly or implicitly include at least one of the features.In the description of the present invention, the meaning of " plurality " is
At least two, such as two, three etc., unless otherwise specifically defined.In the description of the present invention, the meaning of " several "
It is at least one, such as one, two etc., unless otherwise specifically defined.Unless otherwise defined, institute used herein
Some technical and scientific terms have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.Institute herein
The term used is only for the purpose of describing specific embodiments, it is not intended that in the limitation present invention.It is used herein
Term " and/or " it include any and all combinations of one or more related listed items.
For example, a kind of environment-friendly type room temperature aluminum base PCB remover, each component including following mass parts:
Above-mentioned environment-friendly type room temperature aluminum base PCB remover, by using hexafluoroisopropanol, hexafluoroisopropanol is a kind of highly polar
Solvent, to a variety of high molecular polymers have very strong dissolution, with it is exposed after photosensitive-ink effect after, it is short
Ink layer can be made to be swollen in time, promote photosensitive printing ink layer to separate with substrate, to facilitate quick demoulding.Especially 5 parts-
When 20 parts of hexafluoroisopropanol and 5 parts -20 parts of tetrahydrofurfuryl alcohol are used in conjunction with, the dissolution of hexafluoroisopropanol, Er Qiesi can be promoted
The distinctive cyclic ethers alcohol structure of hydrogen furfuryl alcohol can be further improved its solvability to film layer, and then can preferably promote photosensitive oil
Layer of ink is separated with substrate, is more conducive to quick demoulding.By the way that silicate and carbonate is added, environment-friendly type room temperature aluminium is enabled to
Base PCB remover is integrally in alkalinity, facilitates the decomposition of macromolecule resin in color shifting ink.In addition, silicate is to aluminium, copper surface
With certain corrosion inhibition, therefore, so that corrosion inhibiter is added without additional in above-mentioned environment-friendly type room temperature aluminum base PCB remover,
Can have to the good corrosion inhibition of aluminum substrate.The addition of carbonate can make remover entirety alkalinity tend to be steady, and be conducive to
The lasting stability of demoulding performance.Above-mentioned environment-friendly type room temperature aluminum base PCB remover selects high performance demoulding solvent hexafluoroisopropanol
And tetrahydrofurfuryl alcohol, corrosion-free to aluminium and alkaline stronger silicate and carbonate are combined, by four synergistic effects, is promoted whole
The demoulding performance of remover still has splendid demoulding effect so that it is under normal temperature conditions.So that above-mentioned environment-friendly type
In room temperature aluminum base PCB remover use process, without additionally attaching protective film on PCB, and it can use at normal temperature, because
And can reduce production cost, production efficiency is improved, and property easy to use is preferable.Due to can be used at normal temperature, relative to
Traditional inorganic strong alkali combination butyl Cellosolve requires heat to the way of 60 DEG C or more high temperature, above-mentioned environment-friendly type room temperature aluminium base
It is used under PCB remover room temperature, solvent is not volatile, is conducive to the health of operator, and the feature of environmental protection is preferable.
It should be noted that described part, i.e. mass parts, that is, mass fraction, it can be understood as gram, milligram, kilogram, jin,
Kilogram, pound, ton etc..By gram for, for example, 1 part is a certain quality in 0.0001 to 10000 gram；For example, 1 part can be
0.0001g、0.001g、0.005g、0.01g、0.02g、0.05g、0.1g、0.2g、0.5g、1g、2g、3g、4g、5g、10g、
15g, 20g, 30g, 50g, 80g, 100g, 500g, 1000g, 5000g, 10000g or 50000g etc., and it is without being limited thereto, according to reality
Border, which is manufactured, to be selected, each embodiment and so on.
The silicate is at least one of sodium orthosilicate and potassium silicate in one of the embodiments,.Wherein one
In a embodiment, the carbonate is at least one of sodium carbonate and potassium carbonate.The silicic acid in one of the embodiments,
Salt is sodium orthosilicate, in this way, sodium orthosilicate alkalinity is between sodium metasilicate and sodium hydroxide, the distinctive high alkalinity of sodium orthosilicate
Facilitate the decomposition of macromolecule resin in ink.Furthermore sodium orthosilicate still has that silicate is distinctive to delay aluminium, copper surface
Corrosion energy.Therefore can have without additional addition corrosion inhibiter to the good corrosion inhibition of aluminum substrate in the present invention.Wherein one
In a embodiment, the carbonate is sodium carbonate, in this way, the addition of sodium carbonate can be such that remover entirety alkalinity more tends to steadily,
It is more advantageous to the lasting stability of demoulding performance.
Environment-friendly type room temperature aluminum base PCB remover includes each component of following mass parts in one of the embodiments:
Above-mentioned environment-friendly type room temperature aluminum base PCB remover, by being added 3 parts -10 parts of sodium orthosilicate, sodium orthosilicate is chemical
Formula is Na2O·nSiO2, several n that rub are between 0.4-0.6, and sodium orthosilicate alkalinity is between sodium metasilicate and sodium hydroxide, quality
The sodium orthosilicate aqueous solution pH that concentration is 1% is greater than 13, and such distinctive high alkalinity of sodium orthosilicate facilitates high score in ink
The decomposition of subtree rouge.Furthermore sodium orthosilicate still has the distinctive corrosion inhibition to aluminium, copper surface of silicate.Therefore the present invention
In without additional addition corrosion inhibiter, can have to the good corrosion inhibition of aluminum substrate.The addition of sodium carbonate can make remover whole
Body alkalinity tends to be steady, and is conducive to the lasting stability of demoulding performance.Above-mentioned environment-friendly type room temperature aluminum base PCB remover selects high-performance
Demoulding solvent hexafluoroisopropanol and tetrahydrofurfuryl alcohol, combine and alkaline stronger sodium orthosilicate corrosion-free to aluminium and sodium carbonate, lead to
Four synergistic effects are crossed, the demoulding performance of whole remover is promoted, so that it is under normal temperature conditions, are still had splendid
Demoulding effect.So that in above-mentioned environment-friendly type room temperature aluminum base PCB remover use process, it is thin without additionally attaching protection on PCB
Film, and can use at normal temperature, it is thus possible to production cost is reduced, improves production efficiency, and property easy to use is preferable.Due to
It can be used at normal temperature, require heat to doing for 60 DEG C or more high temperature relative to traditional inorganic strong alkali combination butyl Cellosolve
Method uses under above-mentioned environment-friendly type room temperature aluminum base PCB remover room temperature, and solvent is not volatile, is conducive to the health of operator, ring
Guarantor property is preferable.
It should be noted that sodium orthosilicate, chemical formula Na2O·nSiO2, n therein is silica and sodium oxide molybdena
The ratio of molal quantity, the referred to as several or modulus that rubs of waterglass.In the present embodiment, several n that rub are 0.4-0.6, for example, several n that rub are
0.5.It so, it is possible to play better corrosion inhibitive function, can reduce or inhibit or avoid environment-friendly type room temperature aluminum base PCB remover pair
The corrosion of PCB aluminum substrate, additionally it is possible to the decomposition of macromolecule resin in photosensitive-ink is more conducive to, with hexafluoroisopropanol and tetrahydro chaff
When alcohol is used in conjunction with, it can preferably remove and layer is lost by the shield that photosensitive-ink forms on PCB.
In a wherein preferred embodiment, environment-friendly type room temperature aluminum base PCB remover includes each of following mass percent
Component:
Above-mentioned environment-friendly type room temperature aluminum base PCB remover, by using the hexafluoroisopropanol of mass percent 5%-20%,
Can to a variety of high molecular polymers have stronger dissolution, with it is exposed after photosensitive-ink effect after, the short time
It is interior ink layer to be made to be swollen, promote photosensitive printing ink layer to separate with substrate, to be more conducive to quick demoulding.Especially 5%-
When 20% tetrahydrofurfuryl alcohol and the hexafluoroisopropanol of 5%-20% are used in conjunction with, the dissolution of hexafluoroisopropanol, Er Qiesi can be promoted
The distinctive cyclic ethers alcohol structure of hydrogen furfuryl alcohol can be further improved its solvability to film layer, and then can preferably promote photosensitive oil
Layer of ink is separated with substrate, is more conducive to quick demoulding.By the way that silicate and carbonate is added, environment-friendly type room temperature aluminium is enabled to
Base PCB remover is integrally in alkalinity, facilitates the decomposition of macromolecule resin in color shifting ink.By using 3%-10% and former silicon
The sodium carbonate of sour sodium and 3%-10%, silicate has certain corrosion inhibition to aluminium, copper surface, therefore, so that above-mentioned environmental protection
Without additional addition corrosion inhibiter in type room temperature aluminum base PCB remover, can have to the good corrosion inhibition of aluminum substrate.Carbonate
Addition remover entirety alkalinity can be made to tend to be steady, be conducive to the lasting stability of demoulding performance.Above-mentioned environment-friendly type room temperature aluminium base
PCB remover selects high performance demoulding solvent hexafluoroisopropanol and tetrahydrofurfuryl alcohol, combines corrosion-free to aluminium and alkaline stronger
Silicate and carbonate promote the demoulding performance of whole remover, so that it is in normal temperature condition by four synergistic effects
Under, still there is splendid demoulding effect.So that in above-mentioned environment-friendly type room temperature aluminum base PCB remover use process, without in PCB
Upper additional attaching protective film, and can use at normal temperature, it is thus possible to production cost is reduced, improves production efficiency, and make
It is preferable with convenience.Due to can be used at normal temperature, need to heat relative to traditional inorganic strong alkali combination butyl Cellosolve
To the way of 60 DEG C or more high temperature, used under above-mentioned environment-friendly type room temperature aluminum base PCB remover room temperature, solvent is not volatile, favorably
In the health of operator, the feature of environmental protection is preferable.
One preferred embodiment is that environment-friendly type room temperature aluminum base PCB remover includes each component of following mass percent:
Through applicants have found that, using the environment-friendly type room temperature aluminum base PCB remover of each component of above-mentioned mass percent,
Demoulding time can be shortened, it is thus possible to further increase operating efficiency.
The water is deionized water in one of the embodiments,.It so, it is possible preferably to reduce other impurity in water
Influence to each component.
Above-mentioned environment-friendly type room temperature aluminum base PCB remover, by using hexafluoroisopropanol, hexafluoroisopropanol is a kind of highly polar
Solvent, to a variety of high molecular polymers have very strong dissolution, with it is exposed after photosensitive-ink effect after, it is short
Ink layer can be made to be swollen in time, promote photosensitive printing ink layer to separate with substrate, to facilitate quick demoulding.Especially 5 parts-
When 20 parts of hexafluoroisopropanol and 5 parts -20 parts of tetrahydrofurfuryl alcohol are used in conjunction with, the dissolution of hexafluoroisopropanol, Er Qiesi can be promoted
The distinctive cyclic ethers alcohol structure of hydrogen furfuryl alcohol can be further improved its solvability to film layer, and then can preferably promote photosensitive oil
Layer of ink is separated with substrate, is more conducive to quick demoulding.By the way that silicate and carbonate is added, environment-friendly type room temperature aluminium is enabled to
Base PCB remover is integrally in alkalinity, facilitates the decomposition of macromolecule resin in color shifting ink.In addition, silicate is to aluminium, copper surface
With certain corrosion inhibition, therefore, so that corrosion inhibiter is added without additional in above-mentioned environment-friendly type room temperature aluminum base PCB remover,
Can have to the good corrosion inhibition of aluminum substrate.The addition of carbonate can make remover entirety alkalinity tend to be steady, and be conducive to
The lasting stability of demoulding performance.Above-mentioned environment-friendly type room temperature aluminum base PCB remover selects high performance demoulding solvent hexafluoroisopropanol
And tetrahydrofurfuryl alcohol, corrosion-free to aluminium and alkaline stronger silicate and carbonate are combined, by four synergistic effects, is promoted whole
The demoulding performance of remover still has splendid demoulding effect so that it is under normal temperature conditions.So that above-mentioned environment-friendly type
In room temperature aluminum base PCB remover use process, without additionally attaching protective film on PCB, and it can use at normal temperature, because
And can reduce production cost, production efficiency is improved, and property easy to use is preferable.Due to can be used at normal temperature, relative to
Traditional inorganic strong alkali combination butyl Cellosolve requires heat to the way of 60 DEG C or more high temperature, above-mentioned environment-friendly type room temperature aluminium base
It is used under PCB remover room temperature, solvent is not volatile, is conducive to the health of operator, and the feature of environmental protection is preferable.
The present invention also provides a kind of preparation method of environment-friendly type room temperature aluminum base PCB remover, the environment-friendly type room temperature aluminium bases
PCB remover is environment-friendly type room temperature aluminum base PCB remover described in any embodiment, referring to Fig. 1, the environment-friendly type room temperature
The preparation method of aluminum base PCB remover includes the following steps: to carry out silicate, carbonate and water to be stirred behaviour for the first time
Make, obtains the first mixture；Hexafluoroisopropanol and tetrahydrofurfuryl alcohol are added in the first mixture and are stirred for the second time
Operation, obtains environment-friendly type room temperature aluminum base PCB remover.That is, for environment-friendly type room temperature aluminum base PCB demoulding described in any embodiment
Agent carries out the silicate, carbonate and water of corrresponding quality part to be stirred operation for the first time according to its mass parts, obtains the
One mixture；Then the hexafluoroisopropanol of corrresponding quality part and tetrahydrofurfuryl alcohol are added in the first mixture and are stirred for the second time
Hybrid manipulation is mixed, environment-friendly type room temperature aluminum base PCB remover is obtained.Remaining embodiment and so on.
The preparation method of the environment-friendly type room temperature aluminum base PCB remover includes the following steps: in one of the embodiments,
S110: silicate, carbonate and water are carried out to be stirred operation for the first time, obtain the first mixture；
In the present embodiment, it is stirred operation for the first time by carrying out silicate, carbonate and water, obtains the first mixing
Object.
In order to preferably carry out for the first time be stirred operation, in one of the embodiments, by silicate, carbonate and
Water, which is put into reaction kettle, to carry out being stirred operation for the first time, obtains the first mixture.It so, it is possible preferably to carry out for the first time
It is stirred operation.For example, the mixing speed for being stirred operation for the first time is 40-50 revs/min, mixing time is 5-10 points
Clock so, it is possible so that each component mixing is more uniform.It is stirred operation for the first time at normal temperature.
S120: hexafluoroisopropanol and tetrahydrofurfuryl alcohol being added in the first mixture and are stirred operation for the second time,
Obtain environment-friendly type room temperature aluminum base PCB remover.
In the present embodiment, second of stirring is carried out by the way that hexafluoroisopropanol and tetrahydrofurfuryl alcohol to be added in the first mixture
Hybrid manipulation, so that hexafluoroisopropanol and tetrahydrofurfuryl alcohol can be mixed preferably with first mixture.
In order to be preferably stirred operation for the second time, the first time stirring is mixed in one of the embodiments,
The mixing speed of closing operation is 40-50 revs/min, and mixing time is 5-10 minutes, so, it is possible preferably to carry out described second
It is secondary to be stirred operation.
In order to enable hexafluoroisopropanol and tetrahydrofurfuryl alcohol preferably to mix with the first mixture, one embodiment wherein
In, the step S120 is specifically included:
Tetrahydrofurfuryl alcohol is added in the first mixture, is stirred 1 minute to 5 minutes with 40-50 revs/min of stirring rate；
Then hexafluoroisopropanol is added in the first mixture again, continues to stir 5 minutes to 9 points with 40-50 revs/min of stirring rate
Clock.
It so, it is possible that hexafluoroisopropanol and tetrahydrofurfuryl alcohol is enable preferably to mix with the first mixture.It needs to illustrate
It is after first mixing tetrahydrofurfuryl alcohol with the first mixture, to add hexafluoroisopropanol；Tetrahydrofurfuryl alcohol has one to hexafluoroisopropanol
Fixed dissolution effect, enables to hexafluoroisopropanol that can more be dissolves uniformly in environment-friendly type room temperature aluminum base PCB remover.
The environment-friendly type room temperature aluminum base PCB demoulding that the preparation method of above-mentioned environment-friendly type room temperature aluminum base PCB remover is prepared
Agent, by using hexafluoroisopropanol, hexafluoroisopropanol is a kind of highly polar solvent, is had very to a variety of high molecular polymers
Strong dissolution, with it is exposed after photosensitive-ink effect after, ink layer can be made to be swollen in the short time, promote photosensitive oil
Layer of ink is separated with substrate, to facilitate quick demoulding.Especially 5 parts -20 parts of hexafluoroisopropanol and 5 parts -20 parts of tetrahydro
When furfuryl alcohol is used in conjunction with, the dissolution of hexafluoroisopropanol can be promoted, and the distinctive cyclic ethers alcohol structure of tetrahydrofurfuryl alcohol can be mentioned further
Its high solvability to film layer, and then preferably photosensitive printing ink layer can be promoted to separate with substrate, it is more conducive to quick demoulding.
By the way that silicate and carbonate is added, enabling to environment-friendly type room temperature aluminum base PCB remover is integrally in alkalinity, helps to change colour
The decomposition of macromolecule resin in ink.In addition, silicate has certain corrosion inhibition to aluminium, copper surface, therefore, so that above-mentioned
Without additional addition corrosion inhibiter in environment-friendly type room temperature aluminum base PCB remover, can have to the good corrosion inhibition of aluminum substrate.Carbon
The addition of hydrochlorate can make remover entirety alkalinity tend to be steady, and be conducive to the lasting stability of demoulding performance.Above-mentioned environment-friendly type room temperature
Aluminum base PCB remover selects high performance demoulding solvent hexafluoroisopropanol and tetrahydrofurfuryl alcohol, combine it is corrosion-free to aluminium and it is alkaline compared with
Strong silicate and carbonate promotes the demoulding performance of whole remover, so that it is in room temperature by four synergistic effects
Under the conditions of, still there is splendid demoulding effect.So that being not necessarily in above-mentioned environment-friendly type room temperature aluminum base PCB remover use process
Protective film is additionally attached on PCB, and can be used at normal temperature, it is thus possible to production cost is reduced, production efficiency is improved,
And property easy to use is preferable.Due to can be used at normal temperature, needed relative to traditional inorganic strong alkali combination butyl Cellosolve
It is heated to the way of 60 DEG C or more high temperature, is used under above-mentioned environment-friendly type room temperature aluminum base PCB remover room temperature, solvent is not volatile,
Be conducive to the health of operator, the feature of environmental protection is preferable.
Environment-friendly type room temperature aluminum base PCB remover described in any embodiment as above provided by the invention is in production aluminium base
The application in the field PCB.
It continues with and provides some specific embodiments environment-friendly type room temperature aluminum base PCB remover and preparation method thereof is said
It is bright.
Embodiment 1
Environment-friendly type room temperature aluminum base PCB remover includes each component of following mass parts in the present embodiment:
That is, environment-friendly type room temperature aluminum base PCB remover includes 15 parts of hexafluoroisopropanol, 15 parts of tetrahydrofurfuryl alcohol, original by mass parts
Sodium metasilicate (modulus 0.5) is as 5 parts of silicate, sodium carbonate as 5 parts and 60 parts of water of carbonate, and 1 part is 100g, remaining reality at this time
Apply example and so on.
Above-mentioned environment-friendly type room temperature aluminum base PCB remover the preparation method is as follows: by sodium orthosilicate (modulus 0.5), sodium carbonate
It being added sequentially to carry out being stirred operation in reaction kettle for the first time according to above-mentioned weight with water, mixing speed is 40 revs/min,
Mixing time is 8 minutes, obtains the first mixed liquor.The hexafluoroisopropanol of above-mentioned parts by weight is sequentially added into the first mixed liquor again
And tetrahydrofurfuryl alcohol, then it is stirred operation for the second time, mixing speed is 40 revs/min, and mixing time is 8 minutes
Obtain the present embodiment environment-friendly type room temperature aluminum base PCB remover.
Demoulding measure of merit:
Test method: the aluminum base PCB plate to demoulding is put into 30% demoulding agent solution of room temperature (30 DEG C or so),
Photosensitive printing ink layer is recorded under conditions of shake to take off the time used, is taken out, is rinsed 3 times, naturally dry 10min with pure water, with putting
Whether big sem observation aluminium base plate surface has corrosion.Data are recorded side by side as in table 1.
Embodiment 2
Unlike the first embodiment, the environment-friendly type room temperature aluminum base PCB remover of the present embodiment includes each of following mass parts
Component:
Embodiment 3
Unlike the first embodiment, the environment-friendly type room temperature aluminum base PCB remover of the present embodiment includes each of following mass parts
Component:
Comparative example 1
Remover is grouped as by the group of following quality in this comparative example:
This comparative example remover the preparation method is as follows: by monoethanolamine, diethylene glycol monobutyl ether, N-Methyl pyrrolidone
Be added sequentially in reaction kettle with perfluoro alkyl ethylene oxide according to above-mentioned weight, stir 10 minutes, speed of agitator be 50 turns/
Minute, this comparative example remover can be obtained.
This comparative example test method: it by the aluminum base PCB plate to demoulding, is put into 60 DEG C of 30% demoulding agent solution, is shaking
Under conditions of record photosensitive printing ink layer take off the time used, take out, with pure water rinse 3 times, naturally dry 10min uses magnifying glass
Whether observation aluminium base plate surface has corrosion.Data are recorded side by side as in table 1.
Comparative example 2
Remover is grouped as by the group of following quality in this comparative example:
Comparative example remover the preparation method is as follows: by monoethanolamine, sodium citrate, sodium molybdate and deionized water according to upper
It states weight to be added sequentially to be stirred in reaction kettle, mixing speed is 40 revs/min, and mixing time is 8 minutes, is mixed
Liquid.The methyl benzotriazazole and pentaerythrite of above-mentioned weight percent are sequentially added into mixed liquor again, then is stirred, is stirred
Mixing speed is 40 revs/min, and mixing time is 8 minutes, this comparative example remover can be obtained.
For this comparative example demoulding performance test method with comparative example 1, test result is as shown in table 1.
1 test result contrast table of table
It can be seen from Table 1 that embodiment 1,2,3 under the conditions of 30 DEG C of temperature the time used in demoulding substantially with comparative example 1
The demoulding time is suitable under the conditions of 60 DEG C, and aluminium base plate surface is also corrosion-free.Comparative example 1 and embodiment 2 are it can be seen that appropriate
The content for increasing hexafluoroisopropanol and tetrahydrofurfuryl alcohol can dramatically speed up demoulding speed.It can be seen that by embodiment 1 and embodiment 3
Remover alkalinity is also to influence an importance of demoulding speed.Due to without aluminium corrosion inhibiter therefore to aluminium base in comparative example 1
There are slight erosions for plate.In comparative example 2 due to without can to photosensitive printing ink layer be swollen solvent, thus demoulding speed obviously compared with
Slowly.In addition, by comparative example 1, embodiment 2 and embodiment 3 can with find out, the demoulding time of embodiment 1 is most short, thus table
The proportion of bright embodiment 1 is optimal, can significantly shorten demoulding time.
Therefore, it can be deduced that, environment-friendly type room temperature aluminum base PCB remover provided by the invention has good under normal temperature environment
Good demoulding effect, Environmental Safety corrosion-free to aluminium base plate surface, therefore there is good practical value.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.It should be noted that " in an embodiment ", " example of the application
Such as ", " for another example ", it is intended to the application is illustrated, rather than for limiting the application.Embodiment described above only table
Several embodiments of the invention are reached, the description thereof is more specific and detailed, and but it cannot be understood as to patent of invention
The limitation of range.It should be pointed out that for those of ordinary skill in the art, in the premise for not departing from present inventive concept
Under, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.Therefore, the protection of the invention patent
Range should be determined by the appended claims.
Claims (10)
1. a kind of environment-friendly type room temperature aluminum base PCB remover, which is characterized in that each component including following mass parts:
2. environment-friendly type room temperature aluminum base PCB remover according to claim 1, which is characterized in that the silicate is former silicon
At least one of sour sodium and potassium silicate.
3. environment-friendly type room temperature aluminum base PCB remover according to claim 1, which is characterized in that the carbonate is carbonic acid
At least one of sodium and potassium carbonate.
4. environment-friendly type room temperature aluminum base PCB remover according to claim 1, which is characterized in that environment-friendly type room temperature aluminum base PCB
Remover includes each component of following mass parts:
5. environment-friendly type room temperature aluminum base PCB remover according to claim 4, which is characterized in that environment-friendly type room temperature aluminum base PCB
Remover includes each component of following mass percent:
6. environment-friendly type room temperature aluminum base PCB remover according to claim 5, which is characterized in that environment-friendly type room temperature aluminum base PCB
Remover includes each component of following mass percent:
7. environment-friendly type room temperature aluminum base PCB remover according to claim 4, which is characterized in that its change of the sodium orthosilicate
Formula is Na2O·nSiO2, modulus n is 0.4-0.6.
8. environment-friendly type room temperature aluminum base PCB remover according to claim 7, which is characterized in that several n that rub are 0.5.
9. the environment-friendly type room temperature aluminum base PCB remover as described in any one of claim 1 to 8 is producing aluminum base PCB field
Using.
10. a kind of preparation method of environment-friendly type room temperature aluminum base PCB remover, which is characterized in that the environment-friendly type room temperature aluminum base PCB
Remover is the environment-friendly type room temperature aluminum base PCB remover as described in any one of claim 1 to 8, the environment-friendly type room temperature aluminium
The preparation method of base PCB remover includes the following steps:
Silicate, carbonate and water are carried out to be stirred operation for the first time, obtain the first mixture；
Hexafluoroisopropanol and tetrahydrofurfuryl alcohol are added in the first mixture and are stirred operation for the second time, obtains environment-friendly type
Room temperature aluminum base PCB remover.
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| CN201811322959.1A CN109338385A (en) | 2018-11-08 | 2018-11-08 | Environment-friendly type room temperature aluminum base PCB remover, preparation method and application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811322959.1A CN109338385A (en) | 2018-11-08 | 2018-11-08 | Environment-friendly type room temperature aluminum base PCB remover, preparation method and application |
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Citations (3)
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|---|---|---|---|---|
| WO1986003145A1 (en) * | 1984-11-26 | 1986-06-05 | Roeser Howard L Jr | Composition and method for removing conformal coatings |
| CN101071278A (en) * | 2006-05-12 | 2007-11-14 | 湖南省科学技术研究开发院 | Photo resist film removing agent |
| CN108359525A (en) * | 2018-03-15 | 2018-08-03 | 东莞市庆海化工有限公司 | A kind of used in electronic industry remover and preparation method |
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2018
- 2018-11-08 CN CN201811322959.1A patent/CN109338385A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986003145A1 (en) * | 1984-11-26 | 1986-06-05 | Roeser Howard L Jr | Composition and method for removing conformal coatings |
| CN101071278A (en) * | 2006-05-12 | 2007-11-14 | 湖南省科学技术研究开发院 | Photo resist film removing agent |
| CN108359525A (en) * | 2018-03-15 | 2018-08-03 | 东莞市庆海化工有限公司 | A kind of used in electronic industry remover and preparation method |
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| Title |
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| 吴建生: "《印制电路制造工艺》", 31 May 1981, 贵州人民出版社 * |
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Application publication date: 20190215 |