CN106752284A - A kind of higher boiling low volatility marine water anti-corrosion compound paint stripper and preparation method thereof - Google Patents
A kind of higher boiling low volatility marine water anti-corrosion compound paint stripper and preparation method thereof Download PDFInfo
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- CN106752284A CN106752284A CN201611088796.6A CN201611088796A CN106752284A CN 106752284 A CN106752284 A CN 106752284A CN 201611088796 A CN201611088796 A CN 201611088796A CN 106752284 A CN106752284 A CN 106752284A
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- paint stripper
- higher boiling
- low volatility
- water
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D9/00—Chemical paint or ink removers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D9/00—Chemical paint or ink removers
- C09D9/005—Chemical paint or ink removers containing organic solvents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D9/00—Chemical paint or ink removers
- C09D9/04—Chemical paint or ink removers with surface-active agents
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of higher boiling low volatility marine water anti-corrosion compound paint stripper, it is made from the following raw materials in parts by weight：Phenmethylol 32 35, N methyl pyrrolidones 57, absolute ethyl alcohol 68, acetic acid 23, nano titanium oxide 12, polytetrafluoroethylene (PTFE) 45, cellulose acetate phthalate 0.5 0.8, spaonin powder 0.1 0.2, epoxidized soybean oil 46, polished rice starch 12 14, bamboo charcoal powder 1.3 1.4, leaf of elm tree 13 15, methyl triacetoxysilane 2.9 3.4, self-control emulsifying agent 1.9 2.4, water 44 48, it is fast using compound paint stripper paint stripping rate obtained in the present invention, it is applied widely, it is small to matrix corrosion, and higher boiling, volatility is small, good stability, ambient operation, it is simple and easy to do, it is a kind of environmentally friendly compound paint stripper.
Description
Technical field
It is anti-the present invention relates to field of metal surface treatment technology, more particularly to a kind of higher boiling low volatility marine water
Rotten compound paint stripper and preparation method thereof.
Background technology
Generally, ship's navigation 2-3, hull paint film will be subject to erosion and the mechanical damage of various corrosive mediums
Destruction causes paint film to damage, aging carry out necessary maintenance, it is necessary to suspend and lie up.In maintenance process, it is necessary to thoroughly remove
Paint film originally carries out again secondary application.There are various methods to can be used to remove old paint film, such as mechanical removal method, flame burns and loses
Method and paint stripper method etc., in these methods, paint stripper method is one of most-often used method because it does not need it is larger
Man power and material, can be in the short time simply by a series of physical, chemical processes such as dissolving, infiltration, swelling, stripping and reactions
The interior part treatment that the removing of original paint film is clean and more complicated to some geometries is more quick, will not be to base material
Any mechanical damage is caused, so it is more time saving and energy saving during secondary application.
Traditional paint stripper solvent is generally methene chloride such as dichloromethane.But methene chloride typically has very
Volatility and toxicity high, environmental pollution is big, and the surface treatment of depainting part is more difficult, and the body harm to workmen is big, therefore
It has been strictly limited and has used.With the development in epoch, the environmental consciousness of people is more and more stronger, develops efficient, environmentally friendly
Paint stripper turn into paint stripper development direction.Increasingly deep with what is studied paint stripper, various novel paint removers constantly gush
Existing, alcohol ether type paint stripper and phenmethylol type paint stripper are exactly than more typical two class.
《The research of paint stripper used for ships》With phenmethylol as main solvent, ethanol is cosolvent, and carboxymethylcellulose calcium is thickened
Agent, is prepared for water-soluble paint stripper used for ships.Novel paint remover is taken off from traditional paint stripper to different paint films by national standard
Paint effect is compared, and is as a result proved, the paint removing effect of the paint stripper is better than traditional alcohol ether type, thermokalite type paint stripper, and
It is suitable with dichloromethane type paint stripper, then better than traditional paint stripper in terms of security.
But watery paint remover still contains organic main solvent and nitration mixture accelerator in text, have to japanning underlying metal material
Very big corrosion failure effect not environmentally, reduce the risk that its consumption has paint removal efficiency reduction again, therefore confirming efficiently
Also need to strengthen the anti-corrosion protection work of parent metal while depainting；Carboxymethylcellulose calcium is added in text and makees thickener, necessarily
Can improve paint stripper wall built-up in degree, but for vertical plane complicated metal surface when its wall built-up time it is short, make paint stripper
Short with old paint film time of contact, paint removal efficiency is low, limits the range of application of paint stripper, additionally, the sludge that chemical paint removal is produced
If shape material is dealt with improperly in collection, storage, transport and disposal process, immeasurable harm can be also caused to environment.Cause
This, it is very necessary to develop the high-efficiency environment friendly anti-corrosion water-base depainting agent of low volatility.
The content of the invention
The object of the invention is exactly to make up the defect of prior art, there is provided a kind of higher boiling low volatility marine water
Anti-corrosion compound paint stripper and preparation method thereof.
The present invention is achieved by the following technical solutions：
A kind of higher boiling low volatility marine water anti-corrosion compound paint stripper, is made from the following raw materials in parts by weight：Phenmethylol
32-35,1-METHYLPYRROLIDONE 5-7, absolute ethyl alcohol 6-8, acetic acid 2-3, nano titanium oxide 1-2, polytetrafluoroethylene (PTFE) 4-5, neighbour
Cellulose acetate phthalate 0.5-0.8, spaonin powder 0.1-0.2, epoxidized soybean oil 4-6, polished rice starch 12-14, bamboo charcoal powder
1.3-1.4, leaf of elm tree 13-15, methyl triacetoxysilane 2.9-3.4, self-control emulsifying agent 1.9-2.4, water 44-48, it is described
Self-control emulsifying agent be that Arlacel-80, OP-10 and neopelex are compounded according to mass ratio 8: 2: 1.2.
A kind of preparation method of described higher boiling low volatility marine water anti-corrosion compound paint stripper, including following step
Suddenly：
（1）Add the water of 1/10 mass to stir to dissolving acetic acid, add polished rice starch to stir 10-20 minutes, send into double helix
Extruder, in 7 × 105At Pa and 125-140 DEG C, extruded by the pore of a diameter of 0.1-0.8mm, carry out pre-gelatinized, do
Pre-gelatinized polished rice starch is obtained after dry, crushing；
（2）By leaf of elm tree drying be put into retort in 280-340 DEG C charing process 30-40 minute, take out and be cooled to 80-90 DEG C
Polytetrafluoroethylene (PTFE), methyl triacetoxysilane ultrasonic grinding 10-15 minute are added, is dried and is placed again into retort in 580-
650 DEG C are processed 20-30 minutes, and cooling adds epoxidized soybean oil, bamboo charcoal powder, nano titanium oxide to grind 20-30 minutes, obtains modified
Compound powdered carbon；
（3）Absolute ethyl alcohol, cellulose acetate phthalate, spaonin powder ultrasonic grinding are added into residual mass in 10-20 minutes
Water is placed in reactor, adds phenmethylol, 1-METHYLPYRROLIDONE to stir and evenly mix, and step is added while stirring（1）、（2）Material
And other residual components are stirred and evenly mixed, discharging.
It is an advantage of the invention that：The present invention is main solvent, the phase with paint film after being combined phenmethylol, 1-METHYLPYRROLIDONE
Dissolubility is good, causes macromolecular volume to increase, and produces internal stress, paint film is reduced with the adhesive force of ground and is departed from；With anhydrous second
Alcohol is cosolvent, can accordingly reduce the consumption of main solvent, reduces cost；Using pre-gelatinized polished rice starch as thickening binding agent, with
Coating surface is firmly bonded that wall built-up is good and rapid-drying properties are good, can rapidly depart from metal surface, reduces to corrosion of metal；Addition
The compound powdered carbon of particulate modified molybdenum is strong filling adsorption, on the one hand extends, the opposing party good with coating surface time of contact swellability
Face can together come off swelling rear depainting solution absorption in hole, improve the removal efficiency of paint film, and the waste residue that depainting is produced
It is biodegradable, environmentally friendly efficiency high；Epoxidized soybean oil and compound paint stripper depainting obtained in other active ingredients are also added simultaneously
Speed is fast, applied widely, small to matrix corrosion, and higher boiling, volatility be small, good stability, ambient operation, it is easy easily
OK, it is a kind of environmentally friendly compound paint stripper.
Specific embodiment
A kind of higher boiling low volatility marine water anti-corrosion compound paint stripper, is made from the following raw materials in parts by weight：Benzene
Methyl alcohol 32,1-METHYLPYRROLIDONE 5, absolute ethyl alcohol 6, acetic acid 2, nano titanium oxide 1, polytetrafluoroethylene (PTFE) 4, phthalic acid second
Acid cellulose 0.5, spaonin powder 0.1, epoxidized soybean oil 4, polished rice starch 12, bamboo charcoal powder 1.3, leaf of elm tree 13, methyl triacetyl oxygen
Base silane 2.9, self-control emulsifying agent 1.9, water 44, described self-control emulsifying agent is by Arlacel-80, OP-10 and detergent alkylate sulphur
Sour sodium is compounded according to mass ratio 8: 2: 1.2.
A kind of preparation method of described higher boiling low volatility marine water anti-corrosion compound paint stripper, including following step
Suddenly：
（1）Add the water of 1/10 mass to stir to dissolving acetic acid, add polished rice starch to stir 10-20 minutes, send into double helix
Extruder, in 7 × 105At Pa and 125-140 DEG C, extruded by the pore of a diameter of 0.1-0.8mm, carry out pre-gelatinized, do
Pre-gelatinized polished rice starch is obtained after dry, crushing；
（2）By leaf of elm tree drying be put into retort in 280-340 DEG C charing process 30-40 minute, take out and be cooled to 80-90 DEG C
Polytetrafluoroethylene (PTFE), methyl triacetoxysilane ultrasonic grinding 10-15 minute are added, is dried and is placed again into retort in 580-
650 DEG C are processed 20-30 minutes, and cooling adds epoxidized soybean oil, bamboo charcoal powder, nano titanium oxide to grind 20-30 minutes, obtains modified
Compound powdered carbon；
（3）Absolute ethyl alcohol, cellulose acetate phthalate, spaonin powder ultrasonic grinding are added into residual mass in 10-20 minutes
Water is placed in reactor, adds phenmethylol, 1-METHYLPYRROLIDONE to stir and evenly mix, and step is added while stirring（1）、（2）Material
And other residual components are stirred and evenly mixed, discharging.
Test effect shows that the paint removal efficiency of the compound paint stripper is 96.3%, and corrosion rate is 3.73 × 10-6g/(m2•
Min), rate of volatilization is 6.23g/ (m2•min)。
Claims (2)
1. a kind of higher boiling low volatility marine water anti-corrosion compound paint stripper, it is characterised in that by the original of following weight portion
Material is made：Phenmethylol 32-35,1-METHYLPYRROLIDONE 5-7, absolute ethyl alcohol 6-8, acetic acid 2-3, nano titanium oxide 1-2, poly- four
PVF 4-5, cellulose acetate phthalate 0.5-0.8, spaonin powder 0.1-0.2, epoxidized soybean oil 4-6, polished rice starch 12-
14th, bamboo charcoal powder 1.3-1.4, leaf of elm tree 13-15, methyl triacetoxysilane 2.9-3.4, self-control emulsifying agent 1.9-2.4, water
44-48, described self-control emulsifying agent is to enter Arlacel-80, OP-10 and neopelex according to mass ratio 8: 2: 1.2
Row compounding.
2. the making side of a kind of higher boiling low volatility marine water anti-corrosion compound paint stripper according to claim 1
Method, it is characterised in that comprise the following steps：
（1）Add the water of 1/10 mass to stir to dissolving acetic acid, add polished rice starch to stir 10-20 minutes, send into double helix
Extruder, in 7 × 105At Pa and 125-140 DEG C, extruded by the pore of a diameter of 0.1-0.8mm, carry out pre-gelatinized, do
Pre-gelatinized polished rice starch is obtained after dry, crushing；
（2）By leaf of elm tree drying be put into retort in 280-340 DEG C charing process 30-40 minute, take out and be cooled to 80-90 DEG C
Polytetrafluoroethylene (PTFE), methyl triacetoxysilane ultrasonic grinding 10-15 minute are added, is dried and is placed again into retort in 580-
650 DEG C are processed 20-30 minutes, and cooling adds epoxidized soybean oil, bamboo charcoal powder, nano titanium oxide to grind 20-30 minutes, obtains modified
Compound powdered carbon；
（3）Absolute ethyl alcohol, cellulose acetate phthalate, spaonin powder ultrasonic grinding are added into residual mass in 10-20 minutes
Water is placed in reactor, adds phenmethylol, 1-METHYLPYRROLIDONE to stir and evenly mix, and step is added while stirring（1）、（2）Material
And other residual components are stirred and evenly mixed, discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611088796.6A CN106752284A (en) | 2016-12-01 | 2016-12-01 | A kind of higher boiling low volatility marine water anti-corrosion compound paint stripper and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611088796.6A CN106752284A (en) | 2016-12-01 | 2016-12-01 | A kind of higher boiling low volatility marine water anti-corrosion compound paint stripper and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106752284A true CN106752284A (en) | 2017-05-31 |
Family
ID=58914300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611088796.6A Pending CN106752284A (en) | 2016-12-01 | 2016-12-01 | A kind of higher boiling low volatility marine water anti-corrosion compound paint stripper and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106752284A (en) |
-
2016
- 2016-12-01 CN CN201611088796.6A patent/CN106752284A/en active Pending
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |