JPS6472047A - Moisture sensitive resistant composition - Google Patents
Moisture sensitive resistant compositionInfo
- Publication number
- JPS6472047A JPS6472047A JP62228627A JP22862787A JPS6472047A JP S6472047 A JPS6472047 A JP S6472047A JP 62228627 A JP62228627 A JP 62228627A JP 22862787 A JP22862787 A JP 22862787A JP S6472047 A JPS6472047 A JP S6472047A
- Authority
- JP
- Japan
- Prior art keywords
- metal salt
- compsn
- alkaline earth
- conductive particles
- polyethylene oxide
- 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.)
- Granted
Links
Abstract
PURPOSE:To obtain a compsn. which is large in the change latitude of resistance with humidity and has good water resistance in a high humidity range by compounding specific metal ions and conductive particles with polyethylene oxide. CONSTITUTION:The compsn. used for a humidity sensor and dew condensation sensor is obtd. by compounding 25-5wt.% conductive particles with 75-95wt.% crystalline complex consisting of the polyethylene oxide and the alkali metal salt or alkaline earth metal salt. The mol.wt. of the polyethylene oxide is not particularly limited. The alkali metal salt or alkaline earth metal salt used for forming the crystalline complex is exemplified by, for example, alkali metal salts such as sodium iodide and potassium iodide and alkaline earth metal salts such as magnesium chloride and calcium chloride. The increase rate of the resistance value in the specific humidity region of the resultant compsn. decreases if the compounding ratio of the conductive particles exceeds 25wt.%. The initial resistance value conversely increases too much and is undesirable if the ratio is below 5wt.%.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62228627A JPH0731145B2 (en) | 1987-09-14 | 1987-09-14 | Moisture-sensitive composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62228627A JPH0731145B2 (en) | 1987-09-14 | 1987-09-14 | Moisture-sensitive composition |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6472047A true JPS6472047A (en) | 1989-03-16 |
JPH0731145B2 JPH0731145B2 (en) | 1995-04-10 |
Family
ID=16879303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62228627A Expired - Lifetime JPH0731145B2 (en) | 1987-09-14 | 1987-09-14 | Moisture-sensitive composition |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0731145B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05262907A (en) * | 1992-03-09 | 1993-10-12 | Bridgestone Corp | Electrically conductive polyurethane foam |
-
1987
- 1987-09-14 JP JP62228627A patent/JPH0731145B2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05262907A (en) * | 1992-03-09 | 1993-10-12 | Bridgestone Corp | Electrically conductive polyurethane foam |
Also Published As
Publication number | Publication date |
---|---|
JPH0731145B2 (en) | 1995-04-10 |
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