CN105969082B - Aqueous titanium-steel barrier coating and its application - Google Patents
Aqueous titanium-steel barrier coating and its application Download PDFInfo
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- CN105969082B CN105969082B CN201610598680.0A CN201610598680A CN105969082B CN 105969082 B CN105969082 B CN 105969082B CN 201610598680 A CN201610598680 A CN 201610598680A CN 105969082 B CN105969082 B CN 105969082B
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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
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract
The present invention relates to a kind of coating for preventing from bonding between metal, and in particular to a kind of aqueous titanium steel barrier coating and its application in titanium ingot preparation process.The aqueous titanium steel barrier coating of the present invention, contains following parts by weight ingredient：50~150 parts of Watery film-fomer, 350~400 parts of Al powder, Al2O3400~450 parts of powder, 0~50 part of Fe powder, 0~50 part of talcum powder.Coating of the present invention can guarantee titanium tube rolled at 900 DEG C or perforation procedure in, bonding does not occur with steel equipment roll or capstan winch and react, improve the lumber recovery and production efficiency that titanium is processed；Simple for process, easy to operate, coating is environment friendly and pollution-free, and preparation method is simple.
Description
Technical field
The present invention relates to a kind of coating for preventing from bonding between metal, and in particular to a kind of aqueous titanium-steel barrier coating and its
Application in titanium ingot preparation process.
Background technology
Domestic manufacturer is applied without report using high temperature resistant titanium-steel anti-stick using during titanium ingot round billet production titanium tube at present
Layer；900 DEG C of titanium ingot round billet keeps the temperature 4h or more in heating furnace, could release heating furnace, carries out the rolling work of titanium tube.Due to titanium
And its after 900 DEG C of heat preservation 4h of high temperature with steel rolling equipment, roller-way and rolling capstan winch " viscous titanium " phenomenon is occurring for alloy, this
Titanium tube surface is set " misrun " phenomenon of different depth occur, due to being rotation perforation, rolling when rolling titanium tube, titanium base is in height
Drilling/rolling is carried out in fast rotation process, due to titanium-based titanium alloy high-temperature characteristic effect, is easy to be deposited with iron existing
As notably producing TiFe phases.If titanium tube Surface Creation TiFe, which meets, seriously affects titanium surface mechanical properties and tissue, make
Titanium tube brought during following process and use various defects, loss, it is not corrosion-resistant the defects of problem；In addition, due to " equipment
Viscous titanium " causes to want first grinding apparatus that could roll follow-up titanium base again in the subsequent operation of rolling.It is unable to continuous rolling titanium tube
Or titanium product, waste a large amount of time and energy consumption；Meanwhile to ensure the dimension of inner and outer diameters precision and surface quality of titanium tube, state
Interior producer is all to be carried out machining, lose in this way it is larger, due to titanium ingot be by titanium sponge react make, by titanium tube,
Outer portion machines away, and seriously affects the cost and lumber recovery of titanium, therefore carries out the protection work of high temperature resistant titanium-steel anti-stick coating
It is highly desirable.
The prior art is all to be sprayed on titanium ingot surface before titanium ingot is made annealing treatment, will to each titanium ingot surface
Spray treatment is carried out, along with coating needs certain time to dry after spraying, technique, which is prepared, just becomes complicated, preparation time
It is especially long, it is unable to serialization and efficiently produces.And in the operation of rolling of titanium tube, due to the deformation of titanium ingot, sprayed in titanium ingot surface
The coating is ineffective to prevent titanium-steel from bonding.If the coating is directly sprayed at rolling capstan winch surface, due to capstan winch and titanium
The material of ingot is different, and film forming and adhesion effect are poor, can not prevent titanium-steel from bonding well.
Therefore, to solve the above-mentioned problems, need a kind of simple for process, energy conservation and environmental protection, can with serialization, efficiently prepare titanium
Pipe effectively reduces defect loss and production cost, moreover it is possible to prevent the high temperature resistant anti-stick coating of equipment damage.
Invention content
Technical problem to be solved by the invention is to provide one kind in the titanium tube operation of rolling, it is possible to reduce titanium tube surface lacks
It falls into, reduces production cost, improve titanium tube surface quality, coating can be bonded with the anti-titanium of the aqueous high-temperature-resistant of continuous production-steel.
Aqueous titanium-steel the barrier coating of the present invention, contains following parts by weight ingredient：50~150 parts of Watery film-fomer, Al powder
350~400 parts, Al2O3400~450 parts of powder, 0~50 part of Fe powder, 0~50 part of talcum powder.
Further, technical solution more preferably, above-mentioned aqueous titanium-steel barrier coating, containing following parts by weight at
Point：50~150 parts of Watery film-fomer, 350~400 parts of Al powder, Al2O3400~450 parts of powder, 10~50 parts of Fe powder, talcum powder 10
~50 parts；Further preferably following parts by weight ingredient：100 parts of Watery film-fomer, 350 parts of Al powder, Al2O3450 parts of powder, Fe powder 50
Part, 50 parts of talcum powder.
Further, technical solution more preferably, above-mentioned aqueous titanium-steel barrier coating also contain following parts by weight
Ingredient：1~2 part of curing agent, 0.5~1 part of dispersant, 1~5 part of water；Further preferably following parts by weight ingredient：1 part of curing agent,
0.5 part of dispersant, 5 parts of water.
Further, technical solution more preferably, above-mentioned aqueous titanium-steel barrier coating, preferably by following parts by weight
At being grouped as：50~150 parts of Watery film-fomer, 350~400 parts of Al powder, Al2O3350~400 parts of powder, 10~50 parts of Fe powder are sliding
10~50 parts of mountain flour, 1~2 part of curing agent, 0.5~1 part of dispersant, 1~5 part of water；More preferably it is made of following parts by weight ingredient：
100 parts of Watery film-fomer, 350 parts of Al powder, Al2O3450 parts of powder, 50 parts of Fe powder, 50 parts of talcum powder, 1 part of curing agent, dispersant 0.5
Part, 5 parts of water.
Above-mentioned aqueous titanium-steel barrier coating, wherein the Watery film-fomer be epoxy resin, it is aqueous polyurethane paint, aqueous
At least one of acrylic latex coating, Water-borne alkyd coating.
Above-mentioned aqueous titanium-steel barrier coating, wherein the curing agent is SiO2, waterglass, Al2(HPO4)3In at least one
Kind, preferably SiO2；The dispersant is at least one of polyvinyl alcohol, hydrolyzed maleic anhydride, barium stearate, is preferably gathered
Vinyl alcohol.
Further, technical solution more preferably, above-mentioned aqueous titanium-steel barrier coating, wherein the aqueous titanium-steel
The pH value of barrier coating is 7.5~9.5；Solid content is 85~90%, preferably 87%.
The present invention also provides a kind of application of aqueous titanium-steel barrier coating in titanium tube rolling.
Application of the above-mentioned aqueous titanium-steel barrier coating in titanium tube rolling, at room temperature, by aqueous titanium-steel barrier coating
Coated in steel equipment surface, roller surface or capstan winch surface, the film layer of 0.2~0.4mm thickness is formed；Preferably 0.3mm.
Application of the above-mentioned aqueous titanium-steel barrier coating in titanium tube rolling, using pneumatic spraying, airless spraying or craft
The mode of brushing is coated.
Compared with the prior art, the present invention also has the advantages that：
(1) coating of the present invention can guarantee titanium tube rolled at 900 DEG C or perforation procedure in, not with steel equipment roll or capstan winch
Occur to bond reaction, improves the lumber recovery and production efficiency of titanium processing；
(2) present invention can be set using simple production process, easy to operate equipped with pneumatic spraying, airless spraying and brushing
It is used on standby production line；
(3) this product is aqueous, environmental protective high temperature resistant anti-stick coating, is harmful to without containing what is limited in RoHS mass in coating
Element, meanwhile, this product is volatilized without noxious material in air, does not influence environmentally friendly effect of construction environment etc.；
(4) extemporaneous preparation when the aqueous titanium-steel barrier coating of the present invention can use, prepares period, simple possible；Also may be used
After preparing production, at room temperature, coating stabilization shelf-stability can reach 6 months or more.
Specific implementation mode
Aqueous titanium-steel the barrier coating of the present invention, contains following parts by weight ingredient：50~150 parts of Watery film-fomer, Al powder
350~400 parts, Al2O3400~450 parts of powder, 0~50 part of Fe powder, 0~50 part of talcum powder.
Further, technical solution more preferably, above-mentioned aqueous titanium-steel barrier coating, containing following parts by weight at
Point：50~150 parts of Watery film-fomer, 350~400 parts of Al powder, Al2O3400~450 parts of powder, 10~50 parts of Fe powder, talcum powder 10
~50 parts；Further preferably following parts by weight ingredient：100 parts of Watery film-fomer, 350 parts of Al powder, Al2O3450 parts of powder, Fe powder 50
Part, 50 parts of talcum powder.
Further, technical solution more preferably, above-mentioned aqueous titanium-steel barrier coating also contain following parts by weight
Ingredient：1~2 part of curing agent, 0.5~1 part of dispersant, 1~5 part of water；Further preferably following parts by weight ingredient：1 part of curing agent,
0.5 part of dispersant, 5 parts of water.
Further, technical solution more preferably, above-mentioned aqueous titanium-steel barrier coating, preferably by following parts by weight
At being grouped as：50~150 parts of Watery film-fomer, 350~400 parts of Al powder, Al2O3350~400 parts of powder, 10~50 parts of Fe powder are sliding
10~50 parts of mountain flour, 1~2 part of curing agent, 0.5~1 part of dispersant, 1~5 part of water；More preferably it is made of following parts by weight ingredient：
100 parts of Watery film-fomer, 350 parts of Al powder, Al2O3450 parts of powder, 50 parts of Fe powder, 50 parts of talcum powder, 1 part of curing agent, dispersant 0.5
Part, 5 parts of water.
Above-mentioned aqueous titanium-steel barrier coating, wherein the Watery film-fomer be epoxy resin, it is aqueous polyurethane paint, aqueous
At least one of acrylic latex coating, Water-borne alkyd coating.
Above-mentioned aqueous titanium-steel barrier coating, wherein the curing agent is SiO2, waterglass, Al2(HPO4)3In at least one
Kind, preferably SiO2；The dispersant is at least one of polyvinyl alcohol, hydrolyzed maleic anhydride, barium stearate, is preferably gathered
Vinyl alcohol.
Further, technical solution more preferably, above-mentioned aqueous titanium-steel barrier coating, wherein the aqueous titanium-steel
The pH value of barrier coating is 7.5~9.5；Solid content is 85~90%, preferably 87%, can guarantee rolling equipment surface shape in this way
At uniform high-temperature adhesion resistant knot protection film layer.
The present invention also provides a kind of application of aqueous titanium-steel barrier coating in titanium tube rolling.
Application of the above-mentioned aqueous titanium-steel barrier coating in titanium tube rolling, at room temperature, by aqueous titanium-steel barrier coating
Coated in steel equipment surface, roller surface or capstan winch surface, the film layer of 0.2~0.4mm thickness is formed；Preferably 0.3mm.Work as film
When layer adhesion amount is less than 0.20mm, in rolling or perforation procedure, the rotation of titanium ingot pastes and coating adhesion amount thickness is caused gradually to drop
It is low, so to ensure the coating layer thickness for having enough, prevent from all being sticked out by titanium tube, cannot get sufficient high temperature oxidation resisting protection.
If film layer adhesion amount is more than 0.40mm, cost increases.
Application of the above-mentioned aqueous titanium-steel barrier coating in titanium tube rolling, using pneumatic spraying, airless spraying or craft
The mode of brushing carry out be coated in steel equipment surface, roller surface or capstan winch surface after, the film layer of formation at room temperature, 5
Rapid curing in~10min；Since solid part is high, phenomena such as being not in film layer trickling, sagging, coating adhesion is very good,
Either under wet film or when dry film, coating adhesion can meet the needs of titanium ingot roller-way bobbing machine friction, be not in
Coating scaling or picking phenomenon；Coating method, drying means etc. are not particularly limited, coating method can be according to live real
Border situation needs to carry out corresponding form of construction work.
The preparation method of the aqueous titanium-steel barrier coating of the present invention may be used commonly used in the art various without particular/special requirement
Method can matching while using as long as each component is uniformly mixed.But the present inventor has found under study for action, preferably adopts
Aqueous titanium-steel barrier coating is prepared with the following method, and each component can be made to mix evenly.Specific method is：It first will be aqueous
Watery film-fomer is mixed with water and is diluted, and then under stiring, is slowly added to aluminium powder, iron powder, talcum powder and alundum (Al2O3)
Then powder adds curing agent, stir evenly, and adds dispersant, stirring is in uniform and stable phase.
In solidification process, it is only necessary to the moisture for being attached to coating surface is removed, because without adding any accelerating agent again, leading
It is spontaneous curing to want curing mode, in order to save hardening time, can also use the methods of heated-air drying or sensing heating, coating
After solidification, coating is not in picking and crack phenomenon.
Coating high temperature resistant principle prepared by the present invention is：When temperature reaches 900 DEG C, organic coating starts slowly burned
Fall, but Fe starts slowly to melt softening, it at this time can be the Al powder and Al in coating2O3Powder is fixed on roll or capstan winch surface, rises
To heat-insulated effect；With Ti alloying reaction occurs for the Al powder in coating, forms TiAl3Alloy-layer, this layer of substance is very fine and close,
The substances such as body titanium and extraneous (steel) ferro element can be completely cut off to occur to bond reaction, have the function that prevention occurs titanium-steel and bonds.
The anti-titanium of high temperature resistant-steel bonds the temperature that coating uses and is not particularly limited, but molten due to the inorganic agent of the present invention
Agent is water, ensures the temperature condition that water does not freeze and vaporizes, uses at normal temperatures.
A kind of anti-titanium of high temperature resistant of the present invention-steel bonds coating, is painted on rolling capstan winch surface online, can consolidate rapidly
Change, form self-drying type coating, which can guarantee titanium tube under 900 DEG C of high temperature, and surface does not occur to bond with steel surface to be generated
TiFe phases can effectively reduce production cost and improve productivity effect, more main raising Product Precision size and surface quality；This
The corresponding coating process technology provided with good economic efficiency, social benefit and wide popularizing application prospect are provided.
The specific implementation mode of the present invention is further described with reference to embodiment, is not therefore limited the present invention
System is among the embodiment described range.
Embodiment 1
Aqueous titanium-steel barrier coating is prepared according to each raw material in table 1 and its weight proportion：
The raw material and its proportioning of 1 aqueous titanium of table-steel barrier coating
Wherein, K1~K5 is experimental group, and D1~D2 is control group, and a blank control group D3 is separately arranged and (does not apply coating
Direct Rolling), and wherein Watery film-fomer is epoxy resin (solid content 50%)；Curing agent is SiO2, dispersant is poly- second
Enol.Aqueous titanium prepared by the present invention-steel barrier coating pH value is 7.5~9.5；Solid content is 85~90%.
Preparation method is：At normal temperatures and pressures, by Watery film-fomer, Al powder, talcum powder, Fe powder, Al2O3Powder is added to
It in container, is stirred continuously in adition process, is stirring evenly and then adding into curing agent, dispersant and water, stirs evenly, wait for solution in equal
Even stable phase is to get aqueous titanium-steel barrier coating.
Aqueous titanium-steel barrier coating prepared by above-mentioned each group is using pneumatic spraying, airless spraying or manual brushing
Mode carry out be coated in steel equipment surface, roller surface or capstan winch surface after, at room temperature spontaneously dry, cure 10~
15min obtains the film layer that thickness is 0.2~0.4mm.Titanium tube rolling is carried out at 900 DEG C.The titanium tube surface matter obtained after rolling
Amount is good, and titanium tube and roll, capstan winch etc. are not adhered, and specific comparative situation is as follows：
2 aqueous titanium of table-steel barrier coating and control group test performance
From Table 2, it can be seen that using the coating coating equipment of embodiment K1~K5, the titanium tube surface matter that is obtained after rolling
Amount is good, and titanium tube and roll, capstan winch etc. hardly bond.It is not coated by the roll or strand of any coating (i.e. blank control group D3)
Disk, the titanium tube obtained after rolling, titanium tube surface defect is serious, and equipment also has a degree of viscous titanium, needs ability after polishing
It is continuing with.Using the coating coating equipment of D1 and D2, the titanium tube surface defect rate after rolling is still higher, cannot prevent well
Only titanium steel bonds.
10,000 tons of production capacities are produced in design per year, with the 1.5 tons of calculating of each titanium ingot (semifinished product), to produce 6300 or so titaniums every year
There is titanium steel with each titanium ingot and bonds 5mm~20mm depth calculations in billet, and each titanium ingot will machine away 100~200 kilograms, with
The 80000 yuan/ton of calculating of titanium ingot, each titanium ingot lose because gluing titanium cutting tip between 8000~16000 yuan, meanwhile, also to spend
Take a large amount of human and material resources to be cut, it is additional to increase production cost and production time, and use this technology, will be titanium tube and
A large amount of production cost is saved in the production of other titanium alloy products, in terms of in each titanium ingot operation of rolling using 2~5kg of coating
It calculates, is calculated by 200,000/ton per coating price, the new returns of this technology are seen below shown in formula：
The output of the annual titanium ingots of W-：It is calculated with 10,000 tons, about produces 6300 titanium ingots every year；
Amount of each titanium ingots of A- because gluing titanium-steel layer problem cutting：By 50Kg calculating/titanium ingot；
The cost of P1- titanium ingots：80 yuan/Kg；
W1- sprays the consumption of high temperature resistant anti-stick coating, 3Kg/ ingots；
P2- high temperature resistant anti-stick coating prices per ton：It is calculated by 200 yuan/Kg；
Y- uses the new returns that this technology generates every year：
Then：
Y=(P1 × A-W1 × P2) × W
=(4000-600) × 6300
=2142 (ten thousand yuan)
As it can be seen that coating provided by the invention is with good economic efficiency, social benefit and wide popularizing application prospect.
Claims (13)
1. aqueous titanium-steel barrier coating, it is characterised in that：Contain following parts by weight ingredient：50~150 parts of Watery film-fomer, Al
350~400 parts of powder, Al2O3400~450 parts of powder, 10~50 parts of Fe powder, 10~50 parts of talcum powder.
2. aqueous titanium-steel barrier coating according to claim 1, it is characterised in that：Contain following parts by weight ingredient：It is aqueous at
100 parts of film, 350 parts of Al powder, Al2O3450 parts of powder, 50 parts of Fe powder, 50 parts of talcum powder.
3. aqueous titanium-steel barrier coating according to claim 1 or claim 2, it is characterised in that：Also contain following parts by weight ingredient：
1~2 part of curing agent, 0.5~1 part of dispersant, 1~5 part of water.
4. aqueous titanium-steel barrier coating according to claim 3, it is characterised in that：1 part of curing agent, 0.5 part of dispersant, water 5
Part.
5. according to any one of the claim 1~2 aqueous titanium-steel barrier coating, it is characterised in that：The Watery film-fomer is
At least one of epoxy resin, aqueous polyurethane paint, Aqueous acrylic latex's paint, Water-borne alkyd coating.
6. aqueous titanium-steel barrier coating according to claim 3, it is characterised in that：The curing agent is SiO2, waterglass,
Al2(HPO4)3At least one of；The dispersant is at least one of polyvinyl alcohol, hydrolyzed maleic anhydride, barium stearate.
7. aqueous titanium-steel barrier coating according to claim 6, it is characterised in that：The curing agent is SiO2；The dispersion
Agent is polyvinyl alcohol.
8. according to any one of the claim 1~2 aqueous titanium-steel barrier coating, it is characterised in that：Aqueous titanium-the steel every
PH value from coating is 7.5~9.5；Solid content is 85~90%.
9. aqueous titanium-steel barrier coating according to claim 8, it is characterised in that：Aqueous titanium-steel the barrier coating is consolidated
Content is 87%.
10. application of any one of the claim 1~9 aqueous titanium-steel barrier coating in titanium tube rolling.
11. applying according to claim 10, it is characterised in that：At room temperature, aqueous titanium-steel barrier coating is coated in steel
Iron equipment surface, roller surface or capstan winch surface form the film layer of 0.2~0.4mm thickness.
12. being applied according to described in claim 11, it is characterised in that：Film layer thickness is 0.3mm.
13. applying according to claim 10, it is characterised in that：Using pneumatic spraying, airless spraying or manual brushing
Mode is coated.
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| CN104151912B (en) * | 2014-07-02 | 2015-09-16 | 攀钢集团攀枝花钢铁研究院有限公司 | The production method of oiliness is high temperature resistant protective cover and application and titanium ingot |
| CN105195403A (en) * | 2015-10-30 | 2015-12-30 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for obtaining isolated layer on base plate and composite material containing base plate and isolated layer |
| CN106189684B (en) * | 2016-07-14 | 2019-01-15 | 成都先进金属材料产业技术研究院有限公司 | The production method of aqueous protective coating composition and its application and titanium tube |
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