CN106189684A - Aqueous protective coating compositions and application thereof and the production method of titanium pipe - Google Patents
Aqueous protective coating compositions and application thereof and the production method of titanium pipe Download PDFInfo
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- CN106189684A CN106189684A CN201610552468.0A CN201610552468A CN106189684A CN 106189684 A CN106189684 A CN 106189684A CN 201610552468 A CN201610552468 A CN 201610552468A CN 106189684 A CN106189684 A CN 106189684A
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
- 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
- C09D7/65—Additives macromolecular
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Abstract
The present invention relates to paint field, disclose a kind of aqueous protective coating compositions and application thereof and the production method of titanium pipe.Being in terms of 100 weight portions by the gross weight of described aqueous protective coating compositions, described aqueous protective coating compositions contains the water-soluble film forming agent of 5 15 weight portions, the Al powder of 40 45 weight portions, the Fe powder of 01 weight portions and the Al of 40 50 weight portions2O3Powder.This aqueous protective coating compositions does not contains the harmful element limited in RoHS mass, simultaneously, described aqueous protective coating compositions being applied in titanium pipe produces, production technology simply, easily operate, can use on the production line equipped with pneumatic spraying, airless spraying or the equipment of brushing online.
Description
Technical field
The present invention relates to paint field, in particular it relates to a kind of aqueous protective coating compositions, this coating composition is at titanium
Application in pipe production, and the production method of titanium pipe.
Background technology
Use prior art at present during producing titanium pipe, after titanium ingot is incubated 4h in 900 DEG C of heating furnaces, release
Heating furnace, carries out rolling the work of titanium pipe.Owing to titanio titanium alloy is after high temperature 900 DEG C insulation 4h, when rolling titanium pipe, meeting and steel
There is " viscous titanium " in ferrum rolling equipment, roller-way and rolling capstan winch, " lacking of different depth occurs in this titanium tube-surface making rolling obtain
Meat " phenomenon, owing to being to rotate perforation, rolling when rolling titanium pipe, titanium base carries out drilling/rolling during high-speed rotation,
Due to the hot properties effect of titanio titanium alloy, it is easy to be deposited with phenomenon with ferrum, can generate TiFe phase what is more.If
Titanium tube-surface generation TiFe meets and has a strong impact on titanium material surface mechanical properties and tissue, makes titanium pipe in following process and use process
In bring various defect, loss, the defect problem such as the most corrosion-resistant；Further, since equipment " viscous titanium " causes in follow-up rolling
Journey is wanted first grinding apparatus could again roll follow-up titanium pipe.Can not continuous rolling titanium pipe or titanium material product, when wasting substantial amounts of
Between and energy consumption；Meanwhile, for ensureing dimension of inner and outer diameters precision and the surface quality of titanium pipe, manufacturer is all to be had by titanium tube-surface
It is relatively big, owing to titanium ingot is by titanium sponge reaction system, by titanium pipe that the part of " misrun " phenomenon carries out machining, so loss
Inner and outer portions machines away, and has a strong impact on cost and the lumber recovery of titanium material.
Accordingly, it would be desirable to one can effectively prevent titanium-steel bonding, thus greatly reduce titanium pipe production cost, improve to produce and imitate
The coating of rate.
Summary of the invention
It is an object of the invention to overcome the phenomenon being susceptible to titanium-steel bonding in prior art during production titanium pipe, carry
Supply a kind of aqueous protective coating compositions and application thereof and the production method of titanium pipe.
To achieve these goals, the present invention provides a kind of aqueous protective coating compositions, wherein, protects with described aqueous
The gross weight of coating composition is 100 weight portion meters, and described aqueous protective coating compositions contains the water solublity of 5-15 weight portion
Film former, the Al powder of 40-45 weight portion, the Fe powder of 0-1 weight portion and the Al of 40-50 weight portion2O3Powder.
Present invention also offers the aqueous protective coating compositions of the present invention application in titanium pipe produces.
Present invention also offers the production method of a kind of titanium pipe, wherein, the method is included in and carries out titanium ingot rolling titanium pipe
Before, in the surface-coated aqueous protective coating compositions of capstan winch and/or roller-way, wherein, described aqueous protective coating compositions
For aqueous protective coating compositions of the present invention.
The present invention provide aqueous protective coating compositions can guarantee that titanium ingot 900 DEG C rolling or perforation procedure in, not with
There is bonding reaction in steel equipment roller-way and/or capstan winch, improves lumber recovery and the production efficiency of the processing of titanium material.Such as, to climb steel
As a example by, rolling titanium material product, design is produced 10000 tons of production capacities per year, with the 1.5 tons of calculating of each titanium ingot (semifinished product), to be produced 6300 every year
, there is titanium steel bonding 5mm-20mm depth calculation with each titanium ingot surface in the titanium ingot of individual left and right, and each titanium ingot needs to machine away
100-200 kilogram, with the calculating of 80000 yuan/ton of titanium ingot, each titanium ingot is because " viscous titanium " phenomenon is cut partial loss at 8000-
Between 16000 yuan, meanwhile, substantial amounts of human and material resources are also spent to cut, when extra increase titanium material production cost and production
Between, and use aqueous protective coating of the present invention, substantial amounts of production is saved in the production for titanium pipe and other titanium alloy products
Cost, to use coating 2-5kg to calculate in each titanium ingot operation of rolling, coating price is calculated by 200,000/ton, every year that saving is raw
Produce cost about 21,420,000 yuan.
Aqueous protective coating compositions of the present invention being applied in titanium pipe produces, production technology simply, easily operate, can
To use online on the production line equipped with pneumatic spraying, airless spraying or the equipment of brushing.
The present invention provide aqueous protective coating compositions in do not contain in RoHS mass limit harmful element, meanwhile,
This product does not has noxious substance to volatilize in atmosphere, does not affect environmental protection effect of construction environment etc.；Aqueous protection in the present invention is coated with
Feed composition configuration technique simple, it is possible to use time extemporaneous preparation, preparation the time short, simple possible, it is also possible to preparation produce after,
Room temperature for storage, coating stabilization shelf-stability can reach more than 6 months, it may appear that precipitation, lamination, but, during use
Shake up or re-start stirring can use.
The production method of titanium pipe of the present invention has good economic benefit and social benefit, in titanium material production industry
There is the most wide popularizing application prospect.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, with following tool
Body embodiment is used for explaining the present invention together, but is not intended that limitation of the present invention.In the accompanying drawings:
Fig. 1 is the capstan arrangement for producing titanium pipe.
Detailed description of the invention
Hereinafter the detailed description of the invention of the present invention is described in detail.It should be appreciated that described herein specifically
Embodiment is merely to illustrate and explains the present invention, is not limited to the present invention.
The end points of scope disclosed in this article and any value are not limited to this accurate scope or value, these scopes or
Value should be understood to the value comprised close to these scopes or value.For numerical range, between the endpoint value of each scope, respectively
Between endpoint value and the single point value of individual scope, and can obtain one or more between single point value with combination with one another
New numerical range, these numerical rangies should be considered the most specifically to disclose.
The invention provides a kind of aqueous protective coating compositions, wherein, total with described aqueous protective coating compositions
Weight is 100 weight portion meters, and described aqueous protective coating compositions contains the water-soluble film forming agent of 5-15 weight portion, 40-45 weight
The amount Al powder of part, the Fe powder of 0-1 weight portion and the Al of 40-50 weight portion2O3Powder.
According to the present invention, described aqueous protective coating compositions is when temperature reaches 900 DEG C, and coating starts by smoulder
Fall, but Fe can slowly deliquescing, now can be by the Al powder in coating and Al2O3Powder is fixed on roller-way and/or capstan winch surface, and,
Fe is oxidized to Fe2O3, while heat insulation, prevent titanium-steel bonding；Meanwhile, the Al powder in coating and titanium generation alloying
Reaction, forms TiAl3Alloy-layer, the material of this alloy-layer is the finest and close, can be by titanium and extraneous (iron and steel) isolation, it is to avoid titanium is with outer
There is bonding reaction in the material such as boundary, oxygen element, reaches to prevent the effect of titanium-steel bonding.In order to prevent further titanium-
Steel bonds, and under preferable case, is in terms of 100 weight portions by the gross weight of described aqueous protective coating compositions, and described aqueous is protected
Coating composition contains the water-soluble film forming agent of 7-12 weight portion, the Al powder of 41-44 weight portion, the Fe powder of 0.1-0.8 weight portion
Al with 42-44 weight portion2O3Powder；It is further preferred that the gross weight with described aqueous protective coating compositions is 100 weight
Part meter, described aqueous protective coating compositions contain the water-soluble film forming agent of 9-11 weight portion, the Al powder of 42-43 weight portion,
The Fe powder of 0.2-0.6 weight portion and the Al of 43-44 weight portion2O3Powder.
A preferred embodiment of the invention, the solid content of described aqueous protective coating compositions is 83-95 weight
Amount %, pH are 6.5-9.5.The most described aqueous protective coating compositions is alkalescence, is so more beneficial for rolling equipment surface
Forming uniform high-temperature adhesion resistant knot protecting film layer, the most at room temperature film layer can fast setting；Further, the protection of described aqueous is coated with
The solid content of feed composition is preferably 87-94 weight %, is possible to prevent superficial film to trickle, and no matter makes coating tack good
When wet film or during dry film, coating tack can meet the needs of titanium ingot roller-way bobbing machine friction, does not haves coating and falls
Skin or dry linting phenomenon.It is further preferred that the solid content of described aqueous protective coating compositions is 90-94 weight %, pH is
7.7-9.2；It is highly preferred that the solid content of described aqueous protective coating compositions is 94 weight %, pH is 8-9.
In the present invention, to the selection of described water-soluble film forming agent without particular/special requirement, can use commonly used in the art various
Water-soluble film forming agent, such as, water-soluble film forming agent can be aqueous epoxy resins, aqueous polyurethane paint, Aqueous acrylic latex
One or more in paint and Water-borne alkyd coating.But the present inventor finds under study for action, when water-soluble film forming agent is preferred
During for aqueous epoxy resins, it is possible to preventing titanium-steel bonding further, therefore, water-soluble film forming agent is preferably aqueous epoxy resins.
For the solid content of aqueous epoxy resins without particular/special requirement, aqueous epoxy resins commonly used in the art, water-base epoxy can be used
The solid content of resin is preferably 40-60 weight %.
A preferred embodiment of the invention, described aqueous protective coating compositions can also contain firming agent,
At least one in dispersant and water.It is further preferred that described aqueous protective coating compositions contain firming agent, dispersant and
Water, it is highly preferred that the gross weight by described aqueous protective coating compositions is in terms of 100 weight portions, the content of described firming agent is
0.1-0.2 weight portion, the content of described dispersant is 0.05-0.1 weight portion, and the content of water is 0.1-0.5 weight portion.Described water
Using as diluent for extra addition, described water does not include being brought into by other components in described aqueous protective coating compositions
Moisture.
In the present invention, concrete material respective for described firming agent and dispersant, without particular/special requirement, can use ability
Various firming agent that territory is conventional and dispersant.Such as, firming agent can be SiO2, dispersant can be polyvinyl alcohol, water solublity
At least one in Tissuemat E, polyvinyl pyrrolidone and polyethylene glycol oxide.
The preparation method of described aqueous protective coating compositions without particular/special requirement, can be used commonly used in the art by the present invention
Various methods, as long as by each component mix homogeneously.But the present inventor finds under study for action, adopt with the following method
Preparation aqueous protective coating compositions, it is possible to make each component mix evenly.Method particularly includes: under agitation, water is slow
Add in water-soluble film forming agent, after stirring, be slowly added to Al powder, Fe powder and Al while stirring2O3Powder, stirs, then
Adding firming agent, stir, add dispersant, stirring, making liquid is uniform and stable phase.
Present invention also offers the aqueous protective coating compositions of the present invention application in titanium pipe produces.By this
Bright described aqueous protective coating compositions is coated in the surface of titanium pipe rolling equipment, can effectively prevent from occurring in titanium pipe production process
The phenomenon of titanium-steel bonding.
Present invention also offers the production method of a kind of titanium pipe, wherein, described method is included in and carries out titanium ingot rolling titanium
Before pipe, in the surface-coated aqueous protective coating compositions of capstan winch and/or roller-way, wherein, described aqueous protective coating combination
Thing is aqueous protective coating compositions of the present invention.
In the present invention, described capstan winch is as shown in Figure 1.Can be the most anti-in capstan winch surface-coated aqueous protective coating compositions
Titanium-steel bonding is there is in stop-pass during crossing capstan winch rolling titanium pipe.
In the present invention, to the mode of described coating, there is no particular limitation, as long as can be by equal for aqueous protective coating compositions
Even being coated in equipment surface, the mode of the most described coating can include pneumatic spraying, airless spraying or brushing.
According to the present invention, described method can also include the aqueous protective coating at capstan winch and/or roller table surface to be coated
After compositions solidification, then carry out titanium ingot rolling titanium pipe.
In the present invention, to the consumption of described aqueous protective coating compositions, there is no particular limitation, can be according to coating water
The thickness of property protective coating composition film layer determines.When thickness is the thinnest, in rolling or perforation procedure, titanium ingot rotates, pastes and make
Become coating that coating adhesion amount thickness can be caused to be gradually lowered, so to ensure having enough coating layer thicknesses, prevent by titanium pipe whole
Glue；Thickness is the thickest can increase cost.Under preferable case, the amount of described aqueous protective coating compositions coating makes described aqueous
The thickness of the photopolymer layer formed after the solidification of protective coating compositions is 0.2-0.4mm, more preferably 0.25-0.35mm,
It is preferably 0.3mm.
In the present invention, there is no particular limitation for the mode solidifying aqueous protective coating compositions, can be this area
Usual manner, such as, can be spontaneous curing, hot air drying or sensing heating.Aqueous protective coating compositions of the present invention exists
Spontaneous curing is got final product in 5min under natural environment.In solidification process, it is only necessary to remove the moisture being attached to coating surface, it is not necessary to again
Add any accelerator.
In the present invention, to temperature during coating aqueous protective coating compositions, there is no particular limitation, but, due to this
Bright solvent is water, in order to ensure that water does not freezes or vaporizes, is coated the most at normal temperatures.Described room temperature refers to 0-40 DEG C of model
Enclose interior arbitrary temp, such as, can be 25 DEG C.
Hereinafter will be described the present invention by embodiment.In following example and comparative example,
Titanium ingot: thickness 0.28m, length 7.5m, width 1.25m；
Determination of solid content method: GB-T 2793-1995；
PH value assay method: use pH meter (being purchased from Shanghai INESA Scientific Instrument Co., Ltd., thunder magnetic PHSJ-5 type)
It is measured.
Embodiment 1
The present embodiment is for illustrating aqueous protective coating compositions and the production method of titanium pipe of the present invention.
(1) under normal temperature and pressure (25 DEG C, 0.1MPa), 100g aqueous epoxy resins is weighed (purchased from Hubei Bath spy science and technology
Company, solid content 50%, lower same) be placed in container；
(2) add 5g water, stir；
(3) 410g Al powder and 2g Fe powder, 440g Al are weighed2O3Powder, under agitation, is slowly added in container, and stirring is all
Even；
(4) 1g firming agent SiO is weighed2Powder, adds container, stirs；
(5) weighing 0.5g polyethylene of dispersing agent alcohol and add in container, stirring, making solution is uniform and stable phase, obtains aqueous
Protective coating compositions A1.
The solid content measuring aqueous protective coating compositions A1 is 94%, and pH value is 8.4.
By aqueous protective coating compositions A1 with automatization's spray gun (be purchased from Tianjin Tuo Bao Science and Technology Ltd., model:
006_1589, following example and comparative example are same) it is sprayed at capstan winch surface, the amount of spraying makes aqueous protective coating compositions solid
The thickness of the photopolymer layer formed after change is 0.3mm, places spontaneous curing after 5min at normal temperatures and pressures, then will be at 900 DEG C
Titanium ingot after heating 4h carries out rolling titanium pipe.The operation of rolling does not occurs between titanium ingot and capstan winch titanium-steel bonding.Becoming a useful person of titanium pipe
Rate is 96%.
Embodiment 2
The present embodiment is for illustrating aqueous protective coating compositions and the production method of titanium pipe of the present invention.
(1) under normal temperature and pressure (25 DEG C, 0.1MPa), weigh 120g aqueous epoxy resins (solid content 50%) and be placed in container
In；
(2) add 1g water, stir；
(3) 440g Al powder and 4g Fe powder, 420g Al are weighed2O3Powder, under agitation, is slowly added in container, and stirring is all
Even；
(4) 2g firming agent SiO is weighed2Powder, adds container, stirs；
(5) weighing 1g polyethylene of dispersing agent alcohol and add in container, stirring, making solution is uniform and stable phase, obtains aqueous and prevents
Protect coating composition A2.
The solid content measuring aqueous protective coating compositions A2 is 93%, and pH value is 8.5.
By aqueous protective coating compositions A2 with automatization's spray gun (be purchased from Tianjin Tuo Bao Science and Technology Ltd., model:
006_1589, following example and comparative example are same) it is sprayed at capstan winch surface, the amount of spraying makes aqueous protective coating compositions solid
The thickness of the photopolymer layer formed after change is 0.3mm, places spontaneous curing after 5min at normal temperatures and pressures, then will be at 900 DEG C
Titanium ingot after heating 4h carries out rolling titanium pipe.The operation of rolling does not occurs between titanium ingot and capstan winch titanium-steel bonding.Becoming a useful person of titanium pipe
Rate is 94%.
Embodiment 3
The present embodiment is for illustrating aqueous protective coating compositions and the production method of titanium pipe of the present invention.
(1) under normal temperature and pressure (25 DEG C, 0.1MPa), weigh 70g aqueous epoxy resins (solid content 50%) and be placed in container
In；
(2) add 3g water, stir；
(3) 430g Al powder and 6g Fe powder, 430g Al are weighed2O3Powder, under agitation, is slowly added in container, and stirring is all
Even；
(4) 1.5g firming agent SiO is weighed2Powder, adds container, stirs；
(5) weighing 0.8g polyethylene of dispersing agent alcohol and add in container, stirring, making solution is uniform and stable phase, obtains aqueous
Protective coating compositions A3.
The solid content measuring aqueous protective coating compositions A3 is 92%, and pH value is 8.5.
By aqueous protective coating compositions A3 with automatization's spray gun (be purchased from Tianjin Tuo Bao Science and Technology Ltd., model:
006_1589, following example and comparative example are same) it is sprayed at capstan winch surface, the amount of spraying makes aqueous protective coating compositions solid
The thickness of the photopolymer layer formed after change is 0.3mm, places spontaneous curing after 5min at normal temperatures and pressures, then will be at 900 DEG C
Titanium ingot after heating 4h carries out rolling titanium pipe.The operation of rolling does not occurs between titanium ingot and capstan winch titanium-steel bonding.Becoming a useful person of titanium pipe
Rate is 93%.
Embodiment 4
Prepare aqueous protective coating compositions according to the method for embodiment 1 and carry out titanium pipe production, except for the difference that, aqueous ring
The consumption of epoxy resins be the consumption of 50g, Al powder be the consumption of 400g, Fe powder be 5g, Al2O3The consumption of powder is 400g.Obtain aqueous
Protective coating compositions A4, the solid content measuring aqueous protective coating compositions A4 is 90%, and pH value is 8.3.Rolling titanium pipe
Lumber recovery is 91%.
Embodiment 5
Prepare aqueous protective coating compositions according to the method for embodiment 1 and carry out titanium pipe production, except for the difference that, water solublity
Film former is Water-borne alkyd coating (purchased from Tianjin extraterrestrial chemistry painting industry company limited).Obtain aqueous protective coating compositions A5,
The solid content measuring aqueous protective coating compositions A5 is 88%, and pH value is 7.The lumber recovery of titanium pipe is 84%.
Embodiment 6
Prepare aqueous protective coating compositions according to the method for embodiment 1 and carry out titanium pipe production, except for the difference that, without
Firming agent and dispersant.Obtaining aqueous protective coating compositions A6, the solid content measuring aqueous protective coating compositions A6 is
83%, pH value is 8.4.The lumber recovery of titanium pipe is 82%.
Comparative example 1
Prepare aqueous protective coating compositions according to the method for embodiment 1 and carry out titanium pipe production, except for the difference that, without
Al powder.Obtaining aqueous protective coating compositions D1, the solid content measuring aqueous protective coating compositions D1 is 80%, and pH value is
8.4.The lumber recovery of titanium pipe is 79%.
Comparative example 2
Prepare aqueous protective coating compositions according to the method for embodiment 1 and carry out titanium pipe production, except for the difference that, without
Al2O3Powder.Obtaining aqueous protective coating compositions D2, the solid content measuring aqueous protective coating compositions D2 is 75%, and pH value is
8.4.The lumber recovery of titanium pipe is 78%.
Comparative example 3
Capstan winch surface does not spray aqueous protective coating compositions, and the titanium ingot after directly heating 4h at 900 DEG C rolls
Titanium pipe processed.The lumber recovery of rolling titanium pipe is 70%.
By the results contrast of embodiment 1 and embodiment 4 it can be seen that each constituent content in aqueous protective coating compositions
Time in the range of the present invention is preferred, the barrier propterty of aqueous protective coating compositions is more preferable, and the lumber recovery of titanium pipe is higher；To implement
When the results contrast of example 1 and embodiment 5 is it can be seen that water-soluble film forming agent is aqueous epoxy resins, the aqueous protection prepared
Coating composition is more beneficial on capstan winch surface preventing titanium-steel bonding；Result ratio by embodiment 1 with embodiment 6
Relatively it can be seen that add firming agent and dispersant in aqueous protective coating compositions, beneficially the coating of film layer is uniformly, and film layer
Tack is good, does not haves dry linting, scaling phenomenon, effectively prevents occurring titanium-steel bonding in the operation of rolling, and titanium pipe lumber recovery is high.
By the results contrast of embodiment 1 and comparative example 1 it can be seen that aqueous protective coating compositions adds Al powder, it is coated with
There is alloying reaction in Al powder and Ti in Ceng, forms TiAl3Alloy-layer, the material of this alloy-layer is the finest and close, can by titanium with
Extraneous (iron and steel) isolation, it is to avoid the materials such as titanium and the external world, oxygen element occur bonding reaction, reaches to prevent titanium-steel bonding
Effect；By the results contrast of embodiment 1 and comparative example 2 it can be seen that aqueous protective coating compositions adds Al2O3Powder, in temperature
Degree is when reaching 900 DEG C, and coating starts to be fallen by smoulder, but Fe can slowly deliquescing, now can the Al powder in coating and
Al2O3Powder is fixed on roller-way and/or capstan winch surface, and, Fe is oxidized to Fe2O3, while heat insulation, prevent titanium-steel
Bonding；By the results contrast of embodiment 1 and comparative example 3 it can be seen that capstan winch surface spraying aqueous of the present invention protective coating
Compositions can effectively prevent from titanium-steel bonding during rolling titanium pipe, substantially increases the lumber recovery of titanium pipe.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited in above-mentioned embodiment
Detail, in the technology concept of the present invention, technical scheme can be carried out multiple simple variant, this
A little simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, at not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to various can
The compound mode of energy illustrates the most separately.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as it is without prejudice to this
The thought of invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. an aqueous protective coating compositions, it is characterised in that with the gross weight of described aqueous protective coating compositions for 100
Weight portion meter, described aqueous protective coating compositions contains the water-soluble film forming agent of 5-15 weight portion, the Al of 40-45 weight portion
Powder, the Fe powder of 0-1 weight portion and the Al of 40-50 weight portion2O3Powder.
Aqueous protective coating compositions the most according to claim 1, wherein, total with described aqueous protective coating compositions
Weight is 100 weight portion meters, and described aqueous protective coating compositions contains the water-soluble film forming agent of 7-12 weight portion, 41-44 weight
The amount Al powder of part, the Fe powder of 0.1-0.8 weight portion and the Al of 42-44 weight portion2O3Powder.
Aqueous protective coating compositions the most according to claim 1 and 2, wherein, described aqueous protective coating compositions
Solid content is 83-95 weight %, and pH is 6.5-9.5.
Aqueous protective coating compositions the most according to claim 1 and 2, wherein, described water-soluble film forming agent is aqueous ring
One or more in epoxy resins, aqueous polyurethane paint, Aqueous acrylic latex's paint and Water-borne alkyd coating, preferably water-base epoxy
Resin.
Aqueous protective coating compositions the most according to claim 1 and 2, wherein, described aqueous protective coating compositions is also
Containing at least one in firming agent, dispersant and water.
Aqueous protective coating compositions the most according to claim 5, wherein, described aqueous protective coating compositions contains solid
Agent, dispersant and water；
Preferably, being in terms of 100 weight portions by the gross weight of described aqueous protective coating compositions, the content of described firming agent is
0.1-0.2 weight portion, the content of described dispersant is 0.05-0.1 weight portion, and the content of water is 0.1-0.5 weight portion.
7. aqueous protective coating compositions described in any one application in titanium pipe produces in claim 1-6.
8. the production method of a titanium pipe, it is characterised in that described method is included in before carrying out titanium ingot rolling titanium pipe, in strand
The surface-coated aqueous protective coating compositions of dish and/or roller-way, wherein, described aqueous protective coating compositions is claim
Aqueous protective coating compositions described in any one in 1-6.
Production method the most according to claim 8, wherein, the mode of coating includes pneumatic spraying, airless spraying or brushing.
The most according to claim 8 or claim 9, production method, wherein, the amount of described aqueous protective coating compositions coating makes
The thickness of the photopolymer layer formed after the solidification of described aqueous protective coating compositions is 0.2-0.4mm；
Preferably, by aqueous protective coating compositions solidify mode be spontaneous curing, hot air drying or sensing heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610552468.0A CN106189684B (en) | 2016-07-14 | 2016-07-14 | The production method of aqueous protective coating composition and its application and titanium tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610552468.0A CN106189684B (en) | 2016-07-14 | 2016-07-14 | The production method of aqueous protective coating composition and its application and titanium tube |
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| CN105969082A (en) * | 2016-07-27 | 2016-09-28 | 攀钢集团研究院有限公司 | Water-based titanium-steel isolation paint and application thereof |
| CN106085130A (en) * | 2016-07-27 | 2016-11-09 | 攀钢集团研究院有限公司 | Aqueous titanium steel anti-stick coating and application thereof |
| CN106085129A (en) * | 2016-07-27 | 2016-11-09 | 攀钢集团研究院有限公司 | Aqueous anti-titanium steel bonding coating and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105969082A (en) * | 2016-07-27 | 2016-09-28 | 攀钢集团研究院有限公司 | Water-based titanium-steel isolation paint and application thereof |
| CN106085130A (en) * | 2016-07-27 | 2016-11-09 | 攀钢集团研究院有限公司 | Aqueous titanium steel anti-stick coating and application thereof |
| CN106085129A (en) * | 2016-07-27 | 2016-11-09 | 攀钢集团研究院有限公司 | Aqueous anti-titanium steel bonding coating and application thereof |
| CN106085130B (en) * | 2016-07-27 | 2018-12-21 | 攀钢集团研究院有限公司 | Aqueous titanium-steel anti-stick coating and its application |
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| CN106189684B (en) | 2019-01-15 |
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