CN1123809A - Inorganic electric heating coating solidified at normal temp. - Google Patents
Inorganic electric heating coating solidified at normal temp. Download PDFInfo
- Publication number
- CN1123809A CN1123809A CN 94112624 CN94112624A CN1123809A CN 1123809 A CN1123809 A CN 1123809A CN 94112624 CN94112624 CN 94112624 CN 94112624 A CN94112624 A CN 94112624A CN 1123809 A CN1123809 A CN 1123809A
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- trace
- inorganic
- electric heating
- oxide
- heating coating
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Abstract
The electrothermal inorganic paint is prepared through mixing graphite powder and titanium oxide powder as filler with the solution of sodium silicate, adding additive, and stirring and features low cost, not ageing and long service life. The paint is coated on the surface of inorganic subtrate to form network connection between particles. Electric current flows through its network structure to generate heat.
Description
The present invention relates to a kind of electric-heating coatings.
The electric-heating coatings used always of people is made up of sizing and conducting particles so far, and sizing itself is non-conductive, adds metal-powder as conducting particles in sizing, constitutes chain and connects, and the energising back forms the network type galvanic circle.Because the conducting particles of this electric-heating coatings is generally selected metal-powder for use, the conductivity of metal-powder is good, but costs an arm and a leg, and easily aging, and poor durability makes it application and is restricted.
The objective of the invention is: a kind of inorganic electric heating coating with low cost is provided, and it only is adapted on the inorganic substrate.
The object of the present invention is achieved like this: its ultimate principle is: adopting Graphite Powder 99 and titanium dioxide (titanium oxide) is filler, mix with sodium silicate solution, and add an amount of additive, through the cold conditions stirring reaction, generate coating with electroconductibility heat energy power, be applied to the surface of organic substrate, the network that forms between the particle connects, after the energising, electric current is realized heating by network structure.
1, prescription of the present invention is:
Graphite (C): 11-21%
Titanium oxide (TiO
2): 22-32%
Sodium silicate solution: 38-48%
Antimonous oxide (Sb
2O
3): trace
Light magnesium oxide (MgO): trace
Sodium hydroxide (NaOH): trace
Silicon-dioxide (SiO): trace
Clear water: 8-18%
2, the explanation of each composition in the prescription
Graphite, another name oildag powder is as conducting particles in the coating.
Titanium oxide, another name titanium dioxide works to regulate resistivity in coating.
Water glass, another name water glass, bubble flower alkali.Molecular formula is Na
2OnSiO
2XH
2O, inorganic adhesive, solidifying agent.
Titanium dioxide two antimony, light magnesium oxide plays katalysis in coating reaction.
Sodium hydroxide and silicon-dioxide play solidification.
A clear water thinner.
3, manufacture method
At first sodium hydroxide is put into silicon dioxde solution, be formulated in various raw materials in the container in proportion again, stir with agitator, difference according to base material, and technology (as brushing, spraying or the blade coating) difference that is coated with on the base material, suitably increase and decrease the consumption of thinner, rare denseness that furnishing is suitable.
Envrionment temperature is when the 25C left and right sides, and coating is done gradually and solidified, and surface drying time is 2 hours, and the time of doing solid work is 24 hours.
Because each component of the present invention all adopts inorganic materials,, have advantages such as with low cost, aging, long service life so it is compared with common electric-heating coatings.
Provide an embodiment below.
Graphite (C): 16%
Titanium oxide (TiO
2): 27%
Sodium silicate solution: 43%
Antimonous oxide (Sb
2O
3): trace
Light magnesium oxide (MgO): trace
Dimethyl silicone oil: trace
Clear water: 13%
The main technical details of present embodiment:
Time of drying: surface drying＜3 hour, do solid work＜30 hours.
Sticking power: cross-hatching 98% does not come off.
Thermotolerance: aliquation not under 300 ℃, non-foaming, do not ftracture, do not come off.
Claims (2)
1, a kind of inorganic electric heating coating solidified at normal temp is characterized in that: its prescription is:
Graphite (C): 11-21%
Titanium oxide (TiO): 22-32%
Sodium silicate solution: 38-48%
Antimonous oxide (SbO): trace
Light magnesium oxide (MgO): trace
Sodium hydroxide (NaOH): trace
Silicon-dioxide (SiO): trace
Clear water: 8-18%
2, by the described electric-heating coatings of claim 1, it is characterized in that: its prescription is:
Graphite (C): 16%
Titanium oxide (TiO): 27%
Sodium silicate solution: 43%
Antimonous oxide (SbO): trace
Light magnesium oxide (MgO): trace
Dimethyl silicone oil: trace
Clear water: 13%
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94112624 CN1123809A (en) | 1994-11-21 | 1994-11-21 | Inorganic electric heating coating solidified at normal temp. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94112624 CN1123809A (en) | 1994-11-21 | 1994-11-21 | Inorganic electric heating coating solidified at normal temp. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1123809A true CN1123809A (en) | 1996-06-05 |
Family
ID=5036296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94112624 Pending CN1123809A (en) | 1994-11-21 | 1994-11-21 | Inorganic electric heating coating solidified at normal temp. |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1123809A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115216163A (en) * | 2022-07-15 | 2022-10-21 | 李开天 | Inorganic electric heating coating material, preparation method and application thereof, and conductive fiber |
-
1994
- 1994-11-21 CN CN 94112624 patent/CN1123809A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115216163A (en) * | 2022-07-15 | 2022-10-21 | 李开天 | Inorganic electric heating coating material, preparation method and application thereof, and conductive fiber |
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