CN105969088B - Oiliness high temperature resistant titanium-steel barrier coating and its application - Google Patents
Oiliness high temperature resistant titanium-steel barrier coating and its application Download PDFInfo
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- CN105969088B CN105969088B CN201610598957.XA CN201610598957A CN105969088B CN 105969088 B CN105969088 B CN 105969088B CN 201610598957 A CN201610598957 A CN 201610598957A CN 105969088 B CN105969088 B CN 105969088B
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant 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
- C09D7/40—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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The present invention relates to oiliness high temperature resistant titanium-steel barrier coating and its applications, belong to titanium-steel anti-stick coating technology field.The technical problem to be solved by the present invention is to provide one kind oiliness high temperature resistant titanium-steel barrier coatings used in titanium tube rolling.The coating comprises the following components in parts by weight: 50~150 parts of oiliness film forming agent, 0~50 part of zinc powder, 10~100 parts of iron powder, 200~300 parts of talcum powder, 400~450 parts of aluminium oxide powder.Oiliness high temperature resistant titanium-steel barrier coating of the present invention is coated on steel equipment, roller-way, capstan winch, form one layer of good separation layer, it can guarantee titanium ingot in 900 DEG C of rollings or perforation procedure, bonding does not occur with steel equipment roll or capstan winch to react, improve Product Precision size and surface quality, the lumber recovery and production efficiency for improving titanium processing, reduce production cost.
Description
Technical field
The present invention relates to oiliness high temperature resistant titanium-steel barrier coating and its applications, belong to titanium-steel anti-stick coating technology neck
Domain.
Background technique
It is domestic at present using titanium ingot round billet production titanium tube be directly 900 DEG C of titanium ingot round billet are kept the temperature in heating furnace 4h with
On, then release the high temperature rolling that heating furnace carries out titanium tube.Since temperature is higher, titanium is easy to set with steel rolling with titanium alloy
" viscous titanium " phenomenon occurs for standby, roller-way and rolling capstan winch, this makes titanium tube surface " misrun " phenomenon of different depth occur, due to rolling
It is rotation perforation, rolling when titanium tube processed, titanium base is progress drilling/rolling during high-speed rotation, since titanium-based titanium alloy is high
Temperature characteristics effect, is easy to be deposited with phenomenon with iron, notably produces TiFe phase.If titanium tube Surface Creation TiFe meets
Seriously affect titanium surface mechanical properties and tissue, make titanium tube brought in following process and use process various defects, loss,
The defects of not corrosion-resistant problem；In addition, wanting first grinding apparatus ability in the subsequent operation of rolling since " equipment glues titanium " causes
Subsequent titanium base is rolled again.It is unable to continuous rolling titanium tube or titanium product, wastes a large amount of time and energy consumption；Meanwhile to guarantee
The dimension of inner and outer diameters precision and surface quality of titanium tube, domestic manufacturer are all to be carried out machining to carry out following process ability
Guarantee titanium tube surface quality and inside and outside diameter dimensional accuracy, lose in this way it is larger, due to titanium ingot be by titanium sponge react make,
The steel bonding defect on titanium tube surface will be machined away in the operation of rolling, seriously affects the cost and lumber recovery of titanium, therefore need to roll
Avoid titanium steel bonding phenomenon as far as possible in the process.
Common anti-stick method is that two kinds of substances that bonding is reacted will occur using separation layer to keep apart.And currently,
There is no the report for preventing titanium steel from bonding using high temperature resistant titanium steel anti-stick coating, the coating not also being applicable in.Application No. is
201410312370.9 patent discloses a kind of oiliness high temperature resistant protective coating, the coating contain oxidation protection agent and oiliness at
Film；Oxidation protection agent contains Al powder and Fe powder, and the weight ratio of Al powder and Fe powder is 1:0.01-0.1.Oiliness high temperature resistant protection
Coating main function is to guarantee titanium ingot not oxidized cracking in the surface constant temperature 8h under 1000 DEG C of high temperature, reduces the formation of dissolved oxygen layer,
The coating is mainly sprayed on titanium ingot surface, applies in the annealing operation of titanium ingot, protects it from being oxidized.
And in the operation of rolling of titanium tube, due to the deformation of titanium ingot, the coating is sprayed in titanium ingot surface to prevent titanium-steel viscous
That ties is ineffective.If directly by the coating be sprayed at rolling capstan winch surface, since capstan winch is different from the material of titanium ingot, form a film with
And adhesion effect is poor, can not prevent titanium-steel bonding well.It, need to will to each titanium ingot surface in addition, using the coating
Spray treatment is carried out, along with coating needs certain time dry after spraying, technique, which is prepared, just becomes complicated, preparation time
It is long, it is unable to serialization and efficiently produces.
Therefore, to solve the above problems, needing one kind can be in the coating of anti-titanium steel bonding used in titanium tube rolling.
Summary of the invention
The technical problem to be solved by the present invention is to provide one kind oiliness high temperature resistant titanium used in titanium tube rolling-steel isolation to apply
Material.
Oiliness high temperature resistant titanium-steel barrier coating of the present invention, comprises the following components in parts by weight: oiliness film forming agent 50~150
Part, 0~50 part of zinc powder, 10~100 parts of iron powder, 200~300 parts of talcum powder, 400~450 parts of aluminium oxide powder.
Preferably, it comprises the following components in parts by weight: 50~150 parts of oiliness film forming agent, 10~50 parts of zinc powder, iron powder 10~
100 parts, 200~300 parts of talcum powder, 400~450 parts of aluminium oxide powder.
It is further preferred that comprising the following components in parts by weight: 100 parts of oiliness film forming agent, 50 parts of zinc powder, 50 parts of iron powder,
300 parts of talcum powder, 450 parts of aluminium oxide powder.
Oiliness high temperature resistant titanium-steel barrier coating of the present invention preferably also containing in curing agent, dispersing agent and diluent at least
It is a kind of.The more preferable oiliness high temperature resistant titanium-steel barrier coating further includes 1~2 parts by weight of curing agent, 0.5~1.0 weight of dispersing agent
Measure part and 1~5 parts by weight of diluent.It more preferably include 5 weight of 1 parts by weight of curing agent, 0.5 parts by weight of dispersing agent and diluent
Part.
Preferably, the oiliness high temperature resistant titanium-steel barrier coating is grouped as by the group of following parts by weight: oiliness at
50~150 parts of film, 10~50 parts of zinc powder, 10~100 parts of iron powder, 200~300 parts of talcum powder, aluminium oxide powder 400~
450 parts, 1~2 part of curing agent, 0.5~1.0 part of dispersing agent, 1~5 part of diluent；It is preferred that being grouped as by the group of following parts by weight:
100 parts of oiliness film forming agent, 50 parts of zinc powder, 50 parts of iron powder, 300 parts of talcum powder, 450 parts of aluminium oxide powder, 1 part of curing agent, point
0.5 part of powder, 5 parts of diluent.
Further, the oiliness film forming agent is preferably oiliness epoxy resin, oiliness polyurethane paint, oiliness acrylic based emulsion
At least one of paint, oiliness alkyd paint, more preferably oiliness epoxy resin.
Further, the preferably described curing agent be at least one of silicon dioxide powder, waterglass, potassium silicate, described point
Powder is at least one of polyvinyl alcohol, polyvinylpyrrolidone, polyethylene glycol oxide, and the diluent is organic solvent；
The more preferable curing agent is silicon dioxide powder, and the dispersing agent is polyvinyl alcohol, and the diluent is acetone or ethyl acetate.
The pH value of oiliness high temperature resistant titanium-steel barrier coating of the present invention is preferably 7.5~9.5, and solid content is preferably 85
~90%；The solid content of the more preferable oiliness high temperature resistant titanium-steel barrier coating is 87%.
The present invention also provides oiliness high temperature resistant titanium of the present invention-application of the steel barrier coating in high temperature rolling titanium tube.
Before titanium tube rolling, oiliness high temperature resistant titanium-steel barrier coating of the present invention is coated in roller surface and/or capstan winch
It behind surface, spontaneously dries at room temperature, forms the film of 0.20~0.40mm, be preferably formed as the film of 0.30mm.
The coating method is preferably pneumatic spraying, airless spraying or brushing.
Compared with prior art, the invention has the following beneficial effects:
Oiliness high temperature resistant titanium-steel barrier coating of the present invention is fine coated on steel equipment, roller-way, capstan winch, forming one layer
Separation layer, can guarantee that in 900 DEG C of rollings or perforation procedure, it is anti-with steel equipment roll or capstan winch bonding not to occur for titanium ingot
It answers, improves Product Precision size and surface quality, improve the lumber recovery and production efficiency of titanium processing, reduce production cost.
The production of the anti-titanium steel bonding of oiliness of the present invention and using simple process, easy to operate, can be equipped with pneumatic spraying, true
It is used on the production line of sky spraying and brushing equipment.
Product of the invention is oiliness environmental protection high temperature resistant anti-stick coating, is had in coating without containing what is limited in RoHS mass
Evil element, meanwhile, this product is volatilized without noxious material in air, does not influence environmentally friendly effect of construction environment etc..
Extemporaneous preparation when oiliness high temperature resistant titanium-steel barrier coating of the present invention can be used, the preparation time is short, simple possible；
It is used after production can also be prepared, at room temperature, coating stabilization shelf-stability can reach 6 months or more, it may appear that precipitating, layering
Phenomenon, still, when use, shakes up or re-starts stirring.
Specific embodiment
Oiliness high temperature resistant titanium-steel barrier coating of the present invention, comprises the following components in parts by weight: oiliness film forming agent 50~150
Part, 0~50 part of zinc powder, 10~100 parts of iron powder, 200~300 parts of talcum powder, 400~450 parts of aluminium oxide powder.
Preferably, it comprises the following components in parts by weight: 50~150 parts of oiliness film forming agent, 10~50 parts of zinc powder, iron powder 10~
100 parts, 200~300 parts of talcum powder, 400~450 parts of aluminium oxide powder.
It is further preferred that comprising the following components in parts by weight: 100 parts of oiliness film forming agent, 50 parts of zinc powder, 50 parts of iron powder,
300 parts of talcum powder, 450 parts of aluminium oxide powder.
In order to further increase oiliness high temperature resistant titanium-steel barrier coating of the present invention in the adhesion of capstan winch or roller surface,
Oiliness high temperature resistant titanium-steel barrier coating of the present invention is preferably also containing at least one of curing agent, dispersing agent and diluent.It is more excellent
Selecting the oiliness high temperature resistant titanium-steel barrier coating further includes 1~2 parts by weight of curing agent, 0.5~1.0 parts by weight of dispersing agent and dilute
Release 1~5 parts by weight of agent.It more preferably include 5 parts by weight of 1 parts by weight of curing agent, 0.5 parts by weight of dispersing agent and diluent.
Preferably, the oiliness high temperature resistant titanium-steel barrier coating is grouped as by the group of following parts by weight: oiliness at
50~150 parts of film, 10~50 parts of zinc powder, 10~100 parts of iron powder, 200~300 parts of talcum powder, aluminium oxide powder 400~
450 parts, 1~2 part of curing agent, 0.5~1.0 part of dispersing agent, 1~5 part of diluent；It is preferred that being grouped as by the group of following parts by weight:
100 parts of oiliness film forming agent, 50 parts of zinc powder, 50 parts of iron powder, 300 parts of talcum powder, 450 parts of aluminium oxide powder, 1 part of curing agent, point
0.5 part of powder, 5 parts of diluent.
The present invention, without particular/special requirement, can use various oiliness film forming agents commonly used in the art, example for oiliness film forming agent
Such as, oiliness film forming agent can be in oiliness epoxy resin, oiliness polyurethane paint, oiliness acrylic latex coating, oiliness alkyd paint
At least one, preferably oiliness epoxy resin.For oiliness epoxy resin solid content without particular/special requirement, this field can be used
Common oiliness epoxy resin, the solid content of oiliness epoxy resin is preferably 40~60wt%.
In the present invention, curing agent, dispersing agent, diluent specific type without particular/special requirement, can use commonly used in the art
Various curing agent, dispersing agent, diluent.Preferably, the curing agent be silicon dioxide powder, waterglass, in potassium silicate extremely
Few one kind, the dispersing agent are at least one of polyvinyl alcohol, polyvinylpyrrolidone, polyethylene glycol oxide, the dilution
Agent is organic solvent；The more preferable curing agent is silicon dioxide powder, and the dispersing agent is polyvinyl alcohol, and the diluent is third
Ketone or ethyl acetate.
The pH value of oiliness high temperature resistant titanium-steel barrier coating of the present invention is preferably 7.5~9.5, and solid content is preferably 85
~90%；The solid content of the more preferable oiliness high temperature resistant titanium-steel barrier coating is 87%.It is applied directly to capstan winch or roll
Surface can solidify rapidly, form self-drying type coating, and be not in film layer trickling phenomenon, coating adhesion due to solid content height
Very good, no matter in wet film or dry film, coating adhesion can meet the needs of titanium ingot roller-way bobbing machine friction, will not go out
Existing coating scaling or picking phenomenon.
The preparation method of oiliness high temperature resistant titanium-steel barrier coating of the present invention can use commonly used in the art without particular/special requirement
Various methods, as long as by each component be uniformly mixed, can matching while using.But the present inventor has found under study for action,
Oiliness high temperature resistant titanium-steel barrier coating is prepared with the following method, and each component can be made to mix more evenly.Method particularly includes:
Oiliness film forming agent is mixed with diluent first and is diluted, then under stiring, is slowly added to zinc powder, iron powder, talcum powder and three
Al 2 O powder, then adds curing agent, stirs evenly, and adds dispersing agent, stirring is in uniform and stable phase.
Oiliness high temperature resistant titanium-steel barrier coating of the present invention can use in high temperature rolling titanium tube.
Before titanium tube rolling, oiliness high temperature resistant titanium-steel barrier coating of the present invention is coated in roller surface and/or capstan winch
It behind surface, spontaneously dries at room temperature, forms the film of 0.20~0.40mm, be preferably formed as the film of 0.30mm.Film thickness herein
For the thickness of photopolymer layer.When film layer adhesion amount is less than 0.20mm, in rolling or perforation procedure, the rotation of titanium ingot is pasted and is caused
Coating adhesion amount thickness gradually decreases, so to guarantee having enough coating layer thicknesses, prevents from all being sticked out by titanium tube, cannot fill
The high temperature oxidation resisting protection divided.If film layer adhesion amount is more than 0.40mm, cost is increased.
After oiliness high temperature resistant titanium-steel barrier coating of the present invention is coated in roller surface/capstan winch surface, at room temperature
It can be spontaneously dried in 5~10min, meanwhile, in lacquering process, clagging performance is good, is not in trickling, sagging etc.
Coating method, drying means etc. is not particularly limited in phenomenon, coating method can be used pneumatic spraying, airless spraying and
It brushes, can be needed to carry out corresponding form of construction work according to on-site actual situations.
The temperature that oiliness high temperature resistant titanium-steel barrier coating of the present invention uses is not particularly limited, but due to place of the invention
The solvent of reason agent is oil, guarantees the temperature condition that oil does not freeze and vaporizes, generally uses at normal temperature.
In solidification process, it is only necessary to the oil for being attached to coating surface is removed, because leading without adding any promotor again
Wanting curing mode is spontaneous curing in 5min under natural environment, using the methods of heated-air drying or induction heating can also, coating is solid
After change, coating is not in picking and crack phenomenon.
A specific embodiment of the invention is further described below with reference to embodiment, is not therefore limited the present invention
System is among the embodiment described range.
Examples 1 to 5
At normal temperatures and pressures, it weighs epoxy resin (amount of solid content 50%) to be placed in container, for use；Diluent is added,
It is stand-by after mixing evenly；Measure Zn powder, Fe powder, talcum powder, Al2O3Powder is slowly added in container, constantly to be stirred in adition process
It mixes, stirs evenly；Curing agent SiO is measured again2Powder is added to the container, and is stirred evenly；It measures again and polyethylene of dispersing agent alcohol is added
200 are added to the container, and are stirred, and apply to solution in uniform and stable phase to get oiliness high temperature resistant titanium of the invention-steel isolation
Material.The dosage of each raw material is by table 1.
Comparative example 1~2
Using the method for embodiment 1, change the dosage of each raw material, coating is prepared, the dosage of each raw material is shown in Table 1.
Table 1
The pH value and solid content for measuring the coating of Examples 1 to 5, comparative example 1~2, the results are shown in Table 2.
Table 2
| Number | PH value | Solid content (%) |
| Embodiment 1 | 8.5 | 87 |
| Embodiment 2 | 9.5 | 90 |
| Embodiment 3 | 7.5 | 85 |
| Embodiment 4 | 8 | 87 |
| Embodiment 5 | 8.5 | 90 |
| Comparative example 1 | 8.5 | 87 |
| Comparative example 2 | 8.5 | 87 |
The coating of embodiment and comparative example is coated in steel by the way of pneumatic spraying, airless spraying or manual brushing
It behind iron equipment surface, roller surface or capstan winch surface, spontaneously dries at room temperature, solidify 5~10min, obtain with a thickness of 0.2
The film layer of~0.4mm.Titanium tube rolling is carried out at 900 DEG C.Specific bonding situation is shown in Table 3.
Table 3
From table 3 it is observed that using the coating coating equipment of Examples 1 to 5, the titanium tube surface quality that is obtained after rolling
Well, titanium tube and roll, capstan winch etc. hardly bond.It is not coated by the roll or capstan winch of any coating (i.e. blank control group), is rolled
The titanium tube obtained after system, titanium tube surface defect is serious, and equipment also has a degree of viscous titanium, needs to continue to make after polishing
With.Using the coating coating equipment of comparative example 1 and 2, the titanium tube surface defect rate after rolling is still higher, cannot prevent well
Titanium steel bonding.
In addition, coating oiliness high temperature resistant titanium-steel barrier coating of the invention is coated in steel equipment, roller-way, on capstan winch, energy
The production cost of the reduction titanium tube of high degree.Its cost accounting is as follows:
Titanium tube is rolled, 10,000 tons of production capacities are produced in design per year, are calculated with 1.5 tons of each titanium ingot (semifinished product), to be produced 6300 every year
There is titanium steel bonding 5~20mm depth calculation with each titanium ingot in the titanium billet of left and right, and each titanium ingot will machine away 100~200 public affairs
Jin is calculated with 80000 yuan/ton of titanium ingot, and each titanium ingot loses between 8000~16000 yuan because gluing titanium cutting tip, meanwhile, also
A large amount of human and material resources are spent to be cut, it is additional to increase production cost and production time, and this technology is used, it will be titanium
A large amount of production cost is saved in the production of pipe and other titanium alloy products, to use 2~5kg of coating in each titanium ingot operation of rolling
It calculates, every coating price is calculated by 200,000/ton, and the new returns of this technology are seen below shown in formula: Wan Yuan；
The output of the annual titanium ingot of W-: being calculated with 10,000 tons, about produces 6300 titanium ingots every year；
The each titanium ingot of A- is because gluing titanium-steel layer problem cutting amount: pressing 50Kg calculating/titanium ingot；
The cost of P1- titanium ingot: 80 yuan/Kg；
W1- sprays the consumption of high temperature resistant anti-stick coating, 3Kg/ ingot；
P2- high temperature resistant anti-stick coating price per ton: it is calculated by 200 yuan/Kg；
The new returns that Y- uses this technology to generate every year:
Then:
Y=(P1 × A-W1 × P2) × W
=(4000-600) × 6300
=2142 (ten thousand yuan).
Claims (12)
1. oiliness high temperature resistant titanium-steel barrier coating, which is characterized in that the oiliness high temperature resistant titanium-steel barrier coating, which is coated in, to be rolled
Roller surface and/or capstan winch surface, and be grouped as by the group of following parts by weight: 50~150 parts of oiliness film forming agent, zinc powder 10~50
Part, 10~100 parts of iron powder, 200~300 parts of talcum powder, 400~450 parts of aluminium oxide powder, 1~2 part of curing agent, dispersing agent
0.5~1.0 part, 1~5 part of diluent.
2. oiliness high temperature resistant titanium-steel barrier coating according to claim 1, it is characterised in that: by the group of following parts by weight
It is grouped as: 100 parts of oiliness film forming agent, 50 parts of zinc powder, 50 parts of iron powder, 300 parts of talcum powder, 450 parts of aluminium oxide powder, curing agent
1 part, 0.5 part of dispersing agent, 5 parts of diluent.
3. oiliness high temperature resistant titanium-steel barrier coating according to claim 1 or 2, it is characterised in that: the oiliness film forming agent
For at least one of oiliness epoxy resin, oiliness polyurethane paint, oiliness acrylic latex coating, oiliness alkyd paint.
4. oiliness high temperature resistant titanium-steel barrier coating according to claim 3, it is characterised in that: the oiliness film forming agent is
Oiliness epoxy resin.
5. oiliness high temperature resistant titanium-steel barrier coating according to claim 1 or 2, it is characterised in that: the curing agent is two
At least one of silica powder, waterglass, potassium silicate, the dispersing agent are polyvinyl alcohol, polyvinylpyrrolidone, polyoxy
Change at least one of ethylene, the diluent is organic solvent.
6. oiliness high temperature resistant titanium-steel barrier coating according to claim 5, it is characterised in that: the curing agent is dioxy
SiClx powder, the dispersing agent are polyvinyl alcohol, and the diluent is acetone or ethyl acetate.
7. oiliness high temperature resistant titanium-steel barrier coating according to claim 1 or 2, it is characterised in that: the oiliness high temperature resistant
Titanium-steel barrier coating pH value is 7.5~9.5, and solid content is 85~90%.
8. oiliness high temperature resistant titanium-steel barrier coating according to claim 7, it is characterised in that: the oiliness high temperature resistant titanium-
The solid content of steel barrier coating is 87%.
9. oiliness high temperature resistant titanium according to any one of claims 1 to 8-application of the steel barrier coating in high temperature rolling titanium tube.
10. oiliness high temperature resistant titanium according to claim 9-application of the steel barrier coating in high temperature rolling titanium tube, special
Sign is: naturally dry at room temperature after oiliness high temperature resistant titanium-steel barrier coating is coated in roller surface and/or capstan winch surface
It is dry, form the film of 0.20~0.40mm.
11. oiliness high temperature resistant titanium according to claim 10-application of the steel barrier coating in high temperature rolling titanium tube, special
Sign is: forming the film of 0.3mm.
12. oiliness high temperature resistant titanium according to claim 9 or 10-application of the steel barrier coating in high temperature rolling titanium tube,
It is characterized by: the coating method is pneumatic spraying, airless spraying or brushing.
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