CN109401574A - A kind of casting pipe inner wall water-based anticorrosive paint and its preparation and application - Google Patents
A kind of casting pipe inner wall water-based anticorrosive paint and its preparation and application Download PDFInfo
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- CN109401574A CN109401574A CN201811113966.0A CN201811113966A CN109401574A CN 109401574 A CN109401574 A CN 109401574A CN 201811113966 A CN201811113966 A CN 201811113966A CN 109401574 A CN109401574 A CN 109401574A
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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Abstract
The invention discloses a kind of preparations and its application for casting pipe inner wall water-based anticorrosive paint.It is by 15-25 parts of epoxy modified water-based alkyd resin, and color pigments 1-3 parts high, 1-5 parts of auxiliary agent, 0.5-2 parts of thixotropic agent, 20-40 parts of filler, 2-5 parts of cosolvent, 30-50 parts of deionized water form.The present invention is the status and application prospect according to casting tubing industry, product long-acting environment friendly anti-corrosion protection and the new process for painting requirement proposed according to client, registration study " casting pipe inner wall water-based anticorrosive paint " solves casting pipe coating antiseptic, resistance to medium, not flash rusting, not the problems such as not falling off, extend the service life of casting pipe, the improvement of casting pipe new process for painting is adapted to simultaneously, it is high with construction solid part, primary spraying film forming is excellent, the characteristics of low VOC emission, achieve the purpose that performance improves while realizing energy-saving and emission-reduction, so that casting pipe coating updates.
Description
Technical field
The invention belongs to casting pipe inner-wall paint protection technology fields, are related to a kind of casting pipe inner wall water-repellent preservation painting
Material preparation and application.
Background technique
Continuous propulsion with the whole society to low-carbon environment-friendly theory, Environmental Protective Water-paint will become becoming for future development
Gesture is studied according to correlation study, and waterborne anti-rust anti-decaying paint has great development space, from the point of view of the development of Chinese macroeconomic, not
Carrying out several years waterborne anti-rust anticorrosive paints will appear a great-leap-forward development.
Water paint is researched and developed, aqueous substitution oil paint is the needs of energy-saving and emission-reduction, and protection environment, purification sky
Gas ensures the needs of people's health.This product dilutable water, water-fast, salt spray resistance is good, cost performance is high, both can be reduced environment
Pollution, and product specification can be promoted, it improves enterprises' comprehensive competitiveness.
Since the coating of current pipeline corrosion protection is always maintained at traditional mode: oil paint is used for pipeline corrosion protection, such
The advantages of coating, is that coating antiseptic performance, water-fast, media-resistant is excellent, but VOC emission is not up to standard, improves to reach performance
The purposes of energy-saving and emission-reduction is realized simultaneously, so that casting pipe coating updates, pipeline has better application field and longer
Use the time, realize product total quality improve, develop casting pipe inner wall water-based anticorrosive paint, it is extremely urgent.
At present although many work have been done in water paint developmental research by China, but have no mature.Such as the casting developed in recent years
Although water-based anticorrosive paint water resistance and the salt fog resistance of making pipe fitting inner wall are excellent, the feelings such as flash rusting are easy in placement process
Condition.And " the casting pipe inner wall water-based anticorrosive paint " of my company's research and development has construction solid part high, primary spraying film forming is excellent
Different, the characteristics of low VOC emission, physical and chemical properties reach performance and improve simultaneously, realize the purpose of energy-saving and emission-reduction.
The invention discloses the preparations and its application of a kind of water-based anticorrosive paint for casting pipe inner wall.It is by ring
It is 15-25 parts of oxygen modified water-based alkyd resin, color pigments 1-3 parts high, 1-5 parts of auxiliary agent, 0.5-2 parts of thixotropic agent, filler 20-40
Part, 2-5 parts of solvent, 30-50 parts of deionized water compositions.
The present invention is the status and application prospect according to casting tubing industry, and the product long-acting environment friendly proposed according to client is anti-
Corruption protection and new process for painting requirement, it is anti-that registration study " casting pipe inner wall water-based anticorrosive paint " solves casting pipe coating
Corruption, resistance to medium, non-flash rusting, the problems such as not falling off, extend the service life of casting pipe, while it is new to adapt to casting pipe coating
The improvement of technique has the characteristics that the low VOC emission of large arch dam, achievees the purpose that performance improves while realizing energy-saving and emission-reduction, so that
Casting pipe coating updates.
Summary of the invention
The present invention is the status and application prospect according to casting tubing industry, is protected according to the product long-effective corrosion that client proposes
Shield and new process for painting requirement, registration study " casting pipe inner wall water-based anticorrosive paint " solve casting pipe coating antiseptic, resistance to
Medium, non-flash rusting, the problems such as not falling off, extend the service life of casting pipe, while adapting to casting pipe new process for painting
Improvement, have the characteristics that the low VOC emission of large arch dam, achieve the purpose that performance improves and realize energy-saving and emission-reduction simultaneously, so that casting
Pipe fitting coating updates.
To achieve the above object, the invention discloses following technology contents:
A kind of water-based anticorrosive paint for casting pipe inner wall, it is characterised in that the coating by following parts by weight raw material group
At:
Main component therein is as follows:
Material name mass fraction
Epoxy modified water-based alkyd resin 25-30
Cosolvent 2-5
Dispersing agent 0.2-1
Defoaming agent 0.1-0.5
Drier 0.2-1
Adhesion promoter 0.2-1
PH regulator 0.5-2
Thixotropic agent 0.2-1
High-carbon black pigment 1-3
Blanc fixe 20-40
Anti- flash rusting agent 0.5-1
Deionized water 30-50
Present invention is preferably used in casting pipe inner wall water-based anticorrosive paints, it is characterised in that the coating by following parts by weight original
Material composition:
Main component therein is as follows:
Material name mass fraction
Epoxy modified water-based alkyd resin 19
Cosolvent 3
Dispersing agent 0.2
Defoaming agent 0.2
Drier 0.4
Adhesion promoter 0.4
PH regulator 1.4
Thixotropic agent 1.4
High-carbon black pigment 2
Blanc fixe 37.6
Anti- flash rusting agent 0.5
Deionized water 33.9
Casting pipe inner wall water-based anticorrosive paint of the present invention, wherein raw material are as follows:
Epoxy modified water-based alkyd resin: M-302 resin
Dispersing agent: BYK LP-N23160 dispersing agent
Defoaming agent: DEGO 810 and DEGO 902W defoaming agent (weight fraction ratio 1:1)
Cosolvent: butyl glycol ether and butyl (weight fraction ratio 3:1)
Drier: the different cobalt green of efficient drier
Adhesion promoter: JN-36 coupling agent
PH regulator: triethylamine and dimethylethanolamine (weight fraction ratio 3:1)
Thixotropic agent: LT bentonite and attapulgite and 0620 thickening (weight fraction ratio 1:2.5:2.5)
High-carbon black pigment: aqueous black carbon special
Blanc fixe: 1250 mesh blanc fixes
Anti- flash rusting agent: 15% sodium nitrite
The present invention further discloses the preparation methods of casting pipe inner wall water-based anticorrosive paint, it is characterised in that by following step
It is rapid to carry out:
(1) epoxy modified water-based alkyd resin and butyl glycol ether are added sequentially in material-compound tank in formula, start stirring, revolving speed
1000 revs/min are set in, efficient drier is added slowly in material-compound tank and is stirred 10 minutes, is stirred until homogeneous；
(2) PH regulator is added in material-compound tank by formulation dosage, revolving speed is set in 1000 revs/min and is stirred 10 minutes；
(3) adhesion promoter is added in material-compound tank in being formulated, and revolving speed is set in 1000 revs/min and is stirred 10 minutes；
(4) water in formula is slowly added in material-compound tank, revolving speed is set in 1000 revs/min and is stirred 10 minutes, sequentially adds
Defoaming agent, thixotropic agent, carbon black, filler, dispersing agent, revolving speed are set in 1000 revs/min and are stirred 15 minutes；
(5) mill base is discarded in grinding basin, is ground with grinder, be ground to fineness less than 30 μm；
(6) mill base is put into paint mixing tank after grinding is qualified, sequentially adds butyl, revolving speed be set in 1000 revs/min into
Row stirring 10 minutes；PH regulator is added, revolving speed is set in 1000 revs/min and is stirred 10 minutes；It is added epoxy modified aqueous
Alkyd resin, revolving speed are set in 1000 revs/min and are stirred 10 minutes；Be added deionized water, revolving speed be set in 1000 revs/min into
Row stirring 10 minutes；Anti- flash rusting agent is added, revolving speed is set in 1000 revs/min and is stirred 10 minutes；Thickener is added, revolving speed is set
1000 revs/min are scheduled on to be stirred 15 minutes.
The key technical indexes
The present invention further discloses casting pipe inner wall water-based anticorrosive paints for casting protection and the anti-nurse of underground piping
Application in terms of journey.Application especially in terms of improving casting pipe flash rusting.The results show: " casting pipe inner wall water
Property anticorrosive paint " solve casting pipe coating antiseptic, resistance to medium, non-flash rusting, the problems such as not falling off, to extend making for casting pipe
With the service life, while the improvement of casting pipe new process for painting is adapted to, have construction solid part high, primary spraying film forming is excellent, low
The characteristics of VOC emission, achievees the purpose that performance improves while realizing energy-saving and emission-reduction, so that casting pipe coating updates.
Present invention mainly solves the high VOC emission of oil paint, high spot reviews construction solid point height, disposable film are excellent
Different, flash rusting, does not fall off, and main difficult point is disposably to form a film excellent, and flash rusting, has not investigated Yi Liuping successively thus, resists
Sagging, the conditions such as anti-flash rusting, finally determining scheme is to realize high solid low viscosity using low oil absorption ferric blanc fixe；Make
With epoxy-modified water soluble alkyd resin, paint film adhesion is improved, while the flash rusting of coating and casting can be inhibited.
Possessed good effect exists casting pipe inner wall water-based anticorrosive paint disclosed by the invention compared with prior art
In:
(1) have construction solid part high.
(2) primary spraying film forming is excellent.
(3) low VOC emission, it is environmentally protective.
The present invention is described below by specific embodiment.Unless stated otherwise, technological means used in the present invention
It is method known in those skilled in the art.In addition, embodiment is interpreted as illustrative, it is not intended to limit the present invention
Range, the spirit and scope of the invention are limited only by the claims that follow.To those skilled in the art, without departing substantially from this
Under the premise of invention spirit and scope, to the various changes or change of material component and dosage progress in these embodiments
It belongs to the scope of protection of the present invention.The raw materials used in the present invention and reagent are commercially available.
Epoxy modified water-based alkyd resin: M-302 resin (Tianjin Dong Ding Science and Technology Ltd.)
Dispersing agent: BYK LP-N23160 dispersing agent (Beijing Hua Ling)
Defoaming agent: DEGO 810(wins wound), DEGO 902W defoaming agent (wins wound)
Cosolvent: butyl glycol ether (Tianjin chemical reagent work), butyl (Tianjin chemical reagent work)
Drier: the efficient different cobalt green of drier (Tianjin chemical reagent work)
Adhesion promoter: JN-36 coupling agent (the lucky resistance to auxiliary agent of Changzhou)
PH regulator: triethylamine (Tianjin chemical reagent work), dimethylethanolamine (Tianjin chemical reagent work)
Thixotropic agent: LT bentonite (Hai Mingsi), attapulgite (too mining industry difficult to understand), 0620 thickener (Tianjin pine tail)
High-carbon black pigment: aqueous black carbon special Tianjin treasured is speeded chemical industry
Blanc fixe: 1250 mesh blanc fixes (Henan Kai Ren)
Anti- flash rusting agent: 15% sodium nitrite (Tianjin chemical reagent work)
Embodiment 1
One kind being used for casting pipe inner wall water-based anticorrosive paint, the coating consist of the following raw materials in parts by weight:
Main component therein is as follows:
Material name mass fraction
Epoxy modified water-based alkyd resin 19
Cosolvent 3
Dispersing agent 0.2
Defoaming agent 0.2
Drier 0.4
Adhesion promoter 0.4
PH regulator 1.4
Thixotropic agent 1.4
High-carbon black pigment 2
Blanc fixe 37.6
Anti- flash rusting agent 0.5
Deionized water 33.9
Casting pipe inner wall water-based anticorrosive paint of the present invention, wherein raw material are as follows:
Epoxy modified water-based alkyd resin: M-302 resin
Dispersing agent: BYK LP-N23160 dispersing agent
Defoaming agent: DEGO 810 and DEGO 902W defoaming agent (weight fraction ratio 1:1)
Cosolvent: butyl glycol ether and butyl (weight fraction ratio 3:1)
Drier: the different cobalt green of efficient drier
Adhesion promoter: JN-36 coupling agent
PH regulator: triethylamine and dimethylethanolamine (weight fraction ratio 1:1)
Thixotropic agent: LT bentonite and attapulgite and 0620 thickener (weight fraction ratio 1:2.5:2.5)
High-carbon black pigment: aqueous black carbon special
Blanc fixe: 1250 mesh blanc fixes
Anti- flash rusting agent: 15% sodium nitrite
The preparation method is as follows:
(1) epoxy modified water-based alkyd resin and butyl glycol ether are added sequentially in material-compound tank in formula, start stirring, revolving speed
1000 revs/min are set in, efficient drier is added slowly in material-compound tank and is stirred 10 minutes, is stirred until homogeneous.
(2) PH regulator is added in material-compound tank by formulation dosage, revolving speed is set in 1000 revs/min and is stirred 10 points
Clock.
(3) adhesion promoter is added in material-compound tank in being formulated, and revolving speed is set in 1000 revs/min and is stirred 10 points
Clock.
(4) water in formula is slowly added in material-compound tank, revolving speed is set in 1000 revs/min and is stirred 10 minutes, successively
Addition defoaming agent, thixotropic agent, carbon black, filler, dispersing agent, revolving speed are set in 1000 revs/min and are stirred 15 minutes.
(5) mill base is discarded in grinding basin, is ground with grinder, be ground to fineness less than 30 μm.
(6) mill base is put into paint mixing tank after grinding is qualified, sequentially adds butyl, revolving speed be set in 1000 turns/
Divide and is stirred 10 minutes；PH regulator is added, revolving speed is set in 1000 revs/min and is stirred 10 minutes；It is added epoxy-modified
Aqueous alkide resin, revolving speed are set in 1000 revs/min and are stirred 10 minutes；Be added deionized water, revolving speed be set in 1000 turns/
Divide and is stirred 10 minutes；Anti- flash rusting agent is added, revolving speed is set in 1000 revs/min and is stirred 10 minutes；Thickener is added, turns
Speed is set in 1000 revs/min and is stirred 15 minutes.
Embodiment 2
Construction application case
Coating thickness carries out selection according to casting roughness and is as follows:
Casting pipe inner wall water-based anticorrosive paint is stirred evenly by weight 10-15% deionized water is added.Tested viscosity salt pan cup
Construction can be normally carried out within viscosity 60-80 seconds.Construction spraying is carried out with high pressure airless spraying machine, spray pressure is adjusted to 0.5-
0.7Mppa, discharge-amount are adjusted to 1.3-1.5L/min.It is toasted after spraying application is complete by drying tunnel, drying tunnel temperature is set in
80 DEG C are toasted 30 minutes.
Conclusion:
(1) product of the present invention is water paint, and high with construction solid part, excellent, the spy of low VOC emission of primary spraying film forming
Point, meets national requirements for environmental protection, greatly reduces VOC emission.
(2) product of the present invention has the characteristics that low temperature drying, greatly reduces the energy consumption of coating, and painting quality
It is more outstanding than common product.
(3) the fabulous physical property of product of the present invention and antiseptic property greatly reduce the repair rate of cast tube and casting,
A large amount of internal and international orders are won.
Claims (5)
1. one kind be used for casting pipe inner wall water-based anticorrosive paint, it is characterised in that the coating by following parts by weight raw material group
At:
Main component therein is as follows:
Material name mass fraction
Epoxy modified water-based alkyd resin 25-30
Cosolvent 2-5
Dispersing agent 0.2-1
Defoaming agent 0.1-0.5
Drier 0.2-1
Adhesion promoter 0.2-1
PH regulator 0.5-2
Thixotropic agent 0.2-1
High-carbon black pigment 1-3
Blanc fixe 20-40
Anti- flash rusting agent 0.5-1
Deionized water 30-50
Wherein raw material are as follows:
Epoxy modified water-based alkyd resin: M-302 resin
Cosolvent: butyl glycol ether and butyl (weight fraction ratio 3:1)
Dispersing agent: BYK LP-N23160 dispersing agent
Defoaming agent: DEGO 810 and DEGO 902W defoaming agent (weight fraction ratio 1:1)
Drier: the different cobalt green of efficient drier
Adhesion promoter: JN-36 coupling agent
PH regulator: triethylamine and dimethylethanolamine (weight fraction ratio 1:1)
Thixotropic agent: LT bentonite and attapulgite and 0620 thickener (weight fraction ratio 1:2.5:2.5)
High-carbon black pigment: aqueous black carbon special
Blanc fixe: 1250 mesh blanc fixes
Anti- flash rusting agent: 15% sodium nitrite.
2. described in claim 1 be used for casting pipe inner wall water-based anticorrosive paint, it is characterised in that the coating is by following weight
The raw material of number forms:
Main component therein is as follows:
Material name mass fraction
Epoxy modified water-based alkyd resin 19
Cosolvent 3
Dispersing agent 0.2
Defoaming agent 0.2
Drier 0.4
Adhesion promoter 0.4
PH regulator 1.4
Thixotropic agent 1.4
High-carbon black pigment 2
Blanc fixe 37.6
Anti- flash rusting agent 0.5
Deionized water 33.9；
Wherein raw material are as follows:
Epoxy modified water-based alkyd resin: M-302 resin
Dispersing agent: BYK LP-N23160 dispersing agent
Defoaming agent: DEGO 810 and DEGO 902W defoaming agent (weight fraction ratio 1:1)
Cosolvent: butyl glycol ether and butyl (weight fraction ratio 3:1)
Drier: the different cobalt green of efficient drier
Adhesion promoter: JN-36 coupling agent
PH regulator: triethylamine and dimethylethanolamine (weight fraction ratio 1:1)
Thixotropic agent: LT bentonite and attapulgite and 0620 thickener (weight fraction ratio 1:2.5:2.5)
High-carbon black pigment: aqueous black carbon special
Blanc fixe: 1250 mesh blanc fixes
Anti- flash rusting agent: 15% sodium nitrite.
3. casting pipe inner wall water-based anticorrosive paint described in claim 1-2 the preparation method is as follows:
The preparation method of casting pipe inner wall water-based anticorrosive paint claimed in claims 1-2, it is characterised in that by following step
It is rapid to carry out:
(1) epoxy modified water-based alkyd resin and butyl glycol ether are added sequentially in material-compound tank in formula, start stirring, revolving speed
1000 revs/min are set in, efficient drier is added slowly in material-compound tank and is stirred 10 minutes, is stirred until homogeneous；
(2) PH regulator is added in material-compound tank by formulation dosage, revolving speed is set in 1000 revs/min and is stirred 10 minutes；
(3) adhesion promoter is added in material-compound tank in being formulated, and revolving speed is set in 1000 revs/min and is stirred 10 minutes；
(4) water in formula is slowly added in material-compound tank, revolving speed is set in 1000 revs/min and is stirred 10 minutes, sequentially adds
Defoaming agent, thixotropic agent, carbon black, filler, dispersing agent, revolving speed are set in 1000 revs/min and are stirred 15 minutes；
(5) mill base is discarded in grinding basin, is ground with grinder, be ground to fineness less than 30 μm；
(6) mill base is put into paint mixing tank after grinding is qualified, sequentially adds butyl, revolving speed be set in 1000 revs/min into
Row stirring 10 minutes；PH regulator is added, revolving speed is set in 1000 revs/min and is stirred 10 minutes；It is added epoxy modified aqueous
Alkyd resin, revolving speed are set in 1000 revs/min and are stirred 10 minutes；Be added deionized water, revolving speed be set in 1000 revs/min into
Row stirring 10 minutes；Anti- flash rusting agent is added, revolving speed is set in 1000 revs/min and is stirred 10 minutes；Thickener is added, revolving speed is set
1000 revs/min are scheduled on to be stirred 15 minutes.
4. casting pipe inner wall water-based anticorrosive paint claimed in claims 1-2 is for casting protection and the anti-nurse of underground piping
Application in terms of journey.
5. the answering in terms of improving casting pipe salt fog resistance of casting pipe inner wall water-based anticorrosive paint described in claim 1-2
With.
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| CN201811113966.0A CN109401574A (en) | 2018-09-25 | 2018-09-25 | A kind of casting pipe inner wall water-based anticorrosive paint and its preparation and application |
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| CN201811113966.0A CN109401574A (en) | 2018-09-25 | 2018-09-25 | A kind of casting pipe inner wall water-based anticorrosive paint and its preparation and application |
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