CN105969090B - A kind of anti-sticking titanium coating of oiliness high temperature resistant and its application - Google Patents
A kind of anti-sticking titanium coating of oiliness high temperature resistant and its application Download PDFInfo
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- CN105969090B CN105969090B CN201610600340.7A CN201610600340A CN105969090B CN 105969090 B CN105969090 B CN 105969090B CN 201610600340 A CN201610600340 A CN 201610600340A CN 105969090 B CN105969090 B CN 105969090B
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- 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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Abstract
The present invention relates to a kind of anti-sticking titanium coating of oiliness high temperature resistant 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 anti-sticking titanium coating of oiliness high temperature resistant used in titanium tube rolling.The coating comprises the following components in parts by weight: 50~150 parts of oiliness film forming agent, 30~80 parts of glass putty, 250~350 parts of ferric oxide powder, 400~450 parts of aluminium oxide powder.The anti-sticking titanium coating of oiliness high temperature resistant 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 a kind of anti-sticking titanium coating of oiliness high temperature resistant 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 anti-sticking titanium coating of oiliness high temperature resistant used in titanium tube rolling.
The anti-sticking titanium coating of oiliness high temperature resistant of the present invention, comprises the following components in parts by weight: 50~150 parts of oiliness film forming agent,
30~80 parts of glass putty, 250~350 parts of ferric oxide 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, 50 parts of glass putty, ferric oxide powder
250~350 parts, 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 glass putty, di-iron trioxide
350 parts of powder, 450 parts of aluminium oxide powder.
The anti-sticking titanium coating of oiliness high temperature resistant of the present invention is preferably also containing at least one in curing agent, dispersing agent and diluent
Kind.The more preferable anti-sticking titanium coating of oiliness high temperature resistant further includes 1~2 parts by weight of curing agent, 0.5~1.0 parts by weight of dispersing agent
With 1~5 parts by weight of diluent.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 anti-sticking titanium coating of the oiliness high temperature resistant is grouped as by the group of following parts by weight: oiliness film forming
50~150 parts of agent, 50 parts of glass putty, 250~350 parts of ferric oxide powder, 400~450 parts of aluminium oxide powder, curing agent 1~2
Part, 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 glass putty, 350 parts of ferric oxide powder, 450 parts of aluminium oxide powder, 1 part of curing agent, 0.5 part of dispersing agent, 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 the anti-sticking titanium coating of oiliness high temperature resistant of the present invention is preferably 7.5~9.5, and solid content is preferably 85~
90%；The solid content of the more preferable anti-sticking titanium coating of oiliness high temperature resistant is 87%.
The present invention also provides application of the anti-sticking titanium coating of oiliness high temperature resistant of the present invention in high temperature rolling titanium tube.
Before titanium tube rolling, the anti-sticking titanium coating of oiliness high temperature resistant of the present invention is coated in roller surface and/or capstan winch table
It behind face, 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:
The anti-sticking titanium coating of oiliness high temperature resistant of the present invention is coated in steel equipment, roller-way, on capstan winch, formed one layer well every
Absciss layer can guarantee that titanium ingot in 900 DEG C of rollings or perforation procedure, does not occur bonding with steel equipment roll or capstan winch and reacts, mention
High 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 the anti-sticking titanium coating of oiliness high temperature resistant of the present invention can be used, the preparation time is short, simple possible；It can also
To use after preparation production, at room temperature, coating stabilization shelf-stability be can reach 6 months or more, it may appear that precipitating, layering are existing
As still, when use shakes up or re-start stirring.
Specific embodiment
The anti-sticking titanium coating of oiliness high temperature resistant of the present invention, comprises the following components in parts by weight: 50~150 parts of oiliness film forming agent,
30~80 parts of glass putty, 250~350 parts of ferric oxide 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, 50 parts of glass putty, ferric oxide powder
250~350 parts, 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 glass putty, di-iron trioxide
350 parts of powder, 450 parts of aluminium oxide powder.
In order to further increase adhesion of the anti-sticking titanium coating of oiliness high temperature resistant of the present invention in capstan winch or roller surface, this hair
The bright anti-sticking titanium coating of oiliness high temperature resistant is preferably also containing at least one of curing agent, dispersing agent and diluent.It is more preferably described
The anti-sticking titanium coating of oiliness high temperature resistant further includes 1~5 weight of 1~2 parts by weight of curing agent, 0.5~1.0 parts by weight of dispersing agent and diluent
Measure part.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 anti-sticking titanium coating of the oiliness high temperature resistant is grouped as by the group of following parts by weight: oiliness film forming
50~150 parts of agent, 50 parts of glass putty, 250~350 parts of ferric oxide powder, 400~450 parts of aluminium oxide powder, curing agent 1~2
Part, 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 glass putty, 350 parts of ferric oxide powder, 450 parts of aluminium oxide powder, 1 part of curing agent, 0.5 part of dispersing agent, 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 the anti-sticking titanium coating of oiliness high temperature resistant of the present invention is preferably 7.5~9.5, and solid content is preferably 85~
90%；The solid content of the more preferable anti-sticking titanium coating of oiliness high temperature resistant is 87%.It is applied directly to capstan winch or roller surface,
It can solidify rapidly, form self-drying type coating, and be not in film layer trickling phenomenon, coating adhesion is very due to solid content height
Good, no matter in wet film or dry film, coating adhesion can meet the needs of titanium ingot roller-way bobbing machine friction, be not in apply
Layer scaling or picking phenomenon.
The preparation method of the anti-sticking titanium coating of oiliness high temperature resistant of the present invention, can be using commonly used in the art each without particular/special requirement
Kind method can matching while using as long as each component is uniformly mixed.But the present inventor has found under study for action, uses
Following method prepares the anti-sticking titanium coating of oiliness high temperature resistant, and each component can be made to mix more evenly.Method particularly includes: first by oiliness
Film forming agent is mixed with diluent and is diluted, and then under stiring, is slowly added to glass putty, ferric oxide powder and aluminum oxide
Then powder adds curing agent, stir evenly, and adds dispersing agent, stirring is in uniform and stable phase.
The anti-sticking titanium coating of oiliness high temperature resistant of the present invention can use in high temperature rolling titanium tube.
Before titanium tube rolling, the anti-sticking titanium coating of oiliness high temperature resistant of the present invention is coated in roller surface and/or capstan winch table
It behind face, 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 is
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 pastes and causes to apply
Layer adhesion amount thickness gradually decreases, so to guarantee having enough coating layer thicknesses, prevents from all being sticked out by titanium tube, cannot be abundant
High temperature oxidation resisting protection.If film layer adhesion amount is more than 0.40mm, cost is increased.
After the anti-sticking titanium coating of oiliness high temperature resistant of the present invention is coated in roller surface/capstan winch surface, at room temperature can
To be spontaneously dried in 5~10min, meanwhile, in lacquering process, clagging performance is good, is not in that trickling, sagging etc. are existing
As coating method, drying means etc. being not particularly limited, pneumatic spraying, airless spraying and brush can be used in coating method
It applies, can be needed to carry out corresponding form of construction work according to on-site actual situations.
The temperature that the anti-sticking titanium coating of oiliness high temperature resistant of the present invention uses is not particularly limited, but due to inorganic agent of the invention
Solvent be oil, guarantee the oil temperature condition that does not freeze and vaporize, generally use 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 Sn powder, Fe2O3Powder, Al2O3Powder is slowly added in container, to be stirred continuously, be stirred in adition process
It mixes uniformly；Curing agent SiO is measured again2Powder is added to the container, and is stirred evenly；It measures again and the addition of polyethylene of dispersing agent alcohol 200 is added
It in container, is stirred, to solution in uniform and stable phase to get the anti-sticking titanium coating of oiliness high temperature resistant of the invention.Each raw material
Dosage 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, the anti-sticking titanium coating of coating oiliness high temperature resistant of the invention is coated in steel equipment, roller-way, on capstan winch, it can pole
The production cost of the reduction titanium tube of big 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. the anti-sticking titanium coating of oiliness high temperature resistant, which is characterized in that the anti-sticking titanium applying coating of oiliness high temperature resistant is in 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, 50 parts of glass putty, three oxidations two
250~350 parts of iron powder, 400~450 parts of aluminium oxide powder, 1~2 part of curing agent, 0.5~1.0 part of dispersing agent, diluent 1~
5 parts.
2. the anti-sticking titanium coating of oiliness high temperature resistant according to claim 1, it is characterised in that: the anti-sticking titanium of oiliness high temperature resistant
Coating is grouped as by the group of following parts by weight: 100 parts of oiliness film forming agent, 50 parts of glass putty, and 350 parts of ferric oxide powder, three oxidations
Two 450 parts of aluminium powders, 1 part of curing agent, 0.5 part of dispersing agent, 5 parts of diluent.
3. the anti-sticking titanium coating of oiliness high temperature resistant according to claim 1 or 2, it is characterised in that: the oiliness film forming agent is
At least one of oiliness epoxy resin, oiliness polyurethane paint, oiliness acrylic latex coating, oiliness alkyd paint.
4. the anti-sticking titanium coating of oiliness high temperature resistant according to claim 3, it is characterised in that: the oiliness film forming agent is oiliness
Epoxy resin.
5. the anti-sticking titanium coating of oiliness high temperature resistant according to claim 1 or 2, it is characterised in that: the curing agent is dioxy
At least one of SiClx powder, waterglass, potassium silicate, the dispersing agent are polyvinyl alcohol, polyvinylpyrrolidone, polyoxygenated
At least one of ethylene, the diluent are organic solvent.
6. the anti-sticking titanium coating of oiliness high temperature resistant according to claim 5, it is characterised in that: the curing agent is silica
Powder, the dispersing agent are polyvinyl alcohol, and the diluent is acetone or ethyl acetate.
7. the anti-sticking titanium coating of oiliness high temperature resistant according to claim 1 or 2, it is characterised in that: the oiliness high temperature resistant is anti-
The pH value of viscous titanium coating is 7.5~9.5, and solid content is 85~90%.
8. the anti-sticking titanium coating of oiliness high temperature resistant according to claim 7, it is characterised in that: the anti-sticking titanium of oiliness high temperature resistant
The solid content of coating is 87%.
9. application of the anti-sticking titanium coating of oiliness high temperature resistant according to any one of claims 1 to 8 in high temperature rolling titanium tube.
10. application of the anti-sticking titanium coating of oiliness high temperature resistant according to claim 9 in high temperature rolling titanium tube, feature exist
In: it by the anti-sticking titanium applying coating of oiliness high temperature resistant after roller surface and/or capstan winch surface, spontaneously dries, is formed at room temperature
The film of 0.20~0.40mm.
11. application of the anti-sticking titanium coating of oiliness high temperature resistant according to claim 10 in high temperature rolling titanium tube, feature
It is: forms the film of 0.3mm.
12. application of the anti-sticking titanium coating of oiliness high temperature resistant according to claim 9 or 10 in high temperature rolling titanium tube, special
Sign is: the coating method is pneumatic spraying, airless spraying or brushing.
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