JPS577806A - Rust preventive pigment - Google Patents
Rust preventive pigmentInfo
- Publication number
- JPS577806A JPS577806A JP8133480A JP8133480A JPS577806A JP S577806 A JPS577806 A JP S577806A JP 8133480 A JP8133480 A JP 8133480A JP 8133480 A JP8133480 A JP 8133480A JP S577806 A JPS577806 A JP S577806A
- Authority
- JP
- Japan
- Prior art keywords
- rust preventive
- substance
- preventive pigment
- molar ratio
- rust
- 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 novel rust preventive pigment showing superior rust preventive properties by reacting aluminum dihydrogentripolyphosphate with a lead compound.
CONSTITUTION: Aluminum dihydrogentripolyphosphate is reacted with a lead compound such as lead monoxide in 20:1W1:20 molar ratio usually in the presence of water as a medium. A rust preventive pigment obtd. as the reaction product is applicable to various kinds of rust preventive paint, etc., and a plate to be provided with rust preventiveness by coating is made of ordinary mild steel, phosphated and galvanized iron or the like. Aluminum dihydrogentripolyphosphate used as starting material is prepared as follows: Al or an Al-contg. substance is mixed with a phosphoric acid substance so as to make the molar ratio of P2O5/Al2O3 1W6, and the mixture is agitated with heating at 90W450°C to form an opaque semisolid substance, which is then dehydrated and crystallized by reheating at 300W450°C.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8133480A JPS577806A (en) | 1980-06-18 | 1980-06-18 | Rust preventive pigment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8133480A JPS577806A (en) | 1980-06-18 | 1980-06-18 | Rust preventive pigment |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS577806A true JPS577806A (en) | 1982-01-16 |
JPH0225944B2 JPH0225944B2 (en) | 1990-06-06 |
Family
ID=13743475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8133480A Granted JPS577806A (en) | 1980-06-18 | 1980-06-18 | Rust preventive pigment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS577806A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6189272A (en) * | 1984-10-08 | 1986-05-07 | Nippon Paint Co Ltd | Cationic electrocoating compound composition |
US4940500A (en) * | 1987-08-31 | 1990-07-10 | Tsuchiya Mfg. Co., Ltd. | Filter medium forming system and process |
US5482544A (en) * | 1993-07-15 | 1996-01-09 | Tayca Corporation | Rust-preventive composition |
-
1980
- 1980-06-18 JP JP8133480A patent/JPS577806A/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6189272A (en) * | 1984-10-08 | 1986-05-07 | Nippon Paint Co Ltd | Cationic electrocoating compound composition |
US4940500A (en) * | 1987-08-31 | 1990-07-10 | Tsuchiya Mfg. Co., Ltd. | Filter medium forming system and process |
US5482544A (en) * | 1993-07-15 | 1996-01-09 | Tayca Corporation | Rust-preventive composition |
Also Published As
Publication number | Publication date |
---|---|
JPH0225944B2 (en) | 1990-06-06 |
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