JPS6127870B2 - - Google Patents
Info
- Publication number
- JPS6127870B2 JPS6127870B2 JP5653880A JP5653880A JPS6127870B2 JP S6127870 B2 JPS6127870 B2 JP S6127870B2 JP 5653880 A JP5653880 A JP 5653880A JP 5653880 A JP5653880 A JP 5653880A JP S6127870 B2 JPS6127870 B2 JP S6127870B2
- Authority
- JP
- Japan
- Prior art keywords
- moisture
- sheathed heater
- magnesia powder
- magnesia
- heater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 64
- 239000000395 magnesium oxide Substances 0.000 claims description 32
- 239000000843 powder Substances 0.000 claims description 28
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 9
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 150000002148 esters Chemical class 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 239000005360 phosphosilicate glass Substances 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims 1
- 239000011247 coating layer Substances 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 1
- 239000010452 phosphate Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 229920002050 silicone resin Polymers 0.000 description 12
- 229920002545 silicone oil Polymers 0.000 description 9
- 238000010292 electrical insulation Methods 0.000 description 8
- 239000000377 silicon dioxide Substances 0.000 description 6
- 235000012239 silicon dioxide Nutrition 0.000 description 6
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 6
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 239000003566 sealing material Substances 0.000 description 4
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Resistance Heating (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5653880A JPS56153679A (en) | 1980-04-28 | 1980-04-28 | Sheathed heater and method of manufacturing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5653880A JPS56153679A (en) | 1980-04-28 | 1980-04-28 | Sheathed heater and method of manufacturing same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56153679A JPS56153679A (en) | 1981-11-27 |
| JPS6127870B2 true JPS6127870B2 (enrdf_load_stackoverflow) | 1986-06-27 |
Family
ID=13029856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5653880A Granted JPS56153679A (en) | 1980-04-28 | 1980-04-28 | Sheathed heater and method of manufacturing same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56153679A (enrdf_load_stackoverflow) |
-
1980
- 1980-04-28 JP JP5653880A patent/JPS56153679A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56153679A (en) | 1981-11-27 |
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