JPS5543131A - Heat-evolving composition - Google Patents
Heat-evolving compositionInfo
- Publication number
- JPS5543131A JPS5543131A JP11616778A JP11616778A JPS5543131A JP S5543131 A JPS5543131 A JP S5543131A JP 11616778 A JP11616778 A JP 11616778A JP 11616778 A JP11616778 A JP 11616778A JP S5543131 A JPS5543131 A JP S5543131A
- Authority
- JP
- Japan
- Prior art keywords
- heat
- composition
- air
- evolving
- hydrate
- 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.)
- Pending
Links
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
PURPOSE: A heat-evolving composition that contains an alkali metal sulfide hydrate or polysulfied hydrate, carbonaceous substance and calcium oxide, thus evolving a large amount of heat just when contact with air and giving high temperatures.
CONSTITUTION: Said composition compreses (A) and alkali metal sulfide hydrate or polysulfide hydrate, (B) a carbonaceous substance as corbon black or activated carbon and (C) calcium oxide wherein the content of (A) is 10W50wt%, (B) is 10W50wt% and (C) is 1W50wt%, totaling to 100wt%. The heat-evolving rate, duration time are controlled by the area contacting with the air, that is, the particle sizes of each component, the amount of the air flowing in. The amount of heat evolved by the composition is about 300W600cal/1g. of composition in the air and the maximum temperature reaching is over 400°C.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11616778A JPS5543131A (en) | 1978-09-21 | 1978-09-21 | Heat-evolving composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11616778A JPS5543131A (en) | 1978-09-21 | 1978-09-21 | Heat-evolving composition |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5543131A true JPS5543131A (en) | 1980-03-26 |
Family
ID=14680436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11616778A Pending JPS5543131A (en) | 1978-09-21 | 1978-09-21 | Heat-evolving composition |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5543131A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56143283A (en) * | 1980-04-11 | 1981-11-07 | Takabishi Kagaku Kk | Composition containing water of crystallization with excellent heat stability |
JPS56151533U (en) * | 1980-04-11 | 1981-11-13 |
-
1978
- 1978-09-21 JP JP11616778A patent/JPS5543131A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56143283A (en) * | 1980-04-11 | 1981-11-07 | Takabishi Kagaku Kk | Composition containing water of crystallization with excellent heat stability |
JPS56151533U (en) * | 1980-04-11 | 1981-11-13 |
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