USH348H - Penetrating compound for the suppression of rusty-bolt intermodulation interference - Google Patents
Penetrating compound for the suppression of rusty-bolt intermodulation interference Download PDFInfo
- Publication number
- USH348H USH348H US07/020,217 US2021787A USH348H US H348 H USH348 H US H348H US 2021787 A US2021787 A US 2021787A US H348 H USH348 H US H348H
- Authority
- US
- United States
- Prior art keywords
- suppression
- intermodulation interference
- sodium
- rusty
- bolt
- 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.)
- Abandoned
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/025—Cleaning or pickling metallic material with solutions or molten salts with acid solutions acidic pickling pastes
Definitions
- Intermodulation interference from metal-oxide-metal non-linear junctions near HF transmitters and receivers is a serious problem aboard ships and in other places where the radio equipment is operated in the vicinity of metal objects which may have corroded junctions.
- the current invention is a composition which effectively penetrates corroded junctions and chemically modifies them so that IMI is eliminated and prevented from reoccuring.
- One object of this invention is to provide an improved IMI suppression composition that eliminates the need for mechanical disassembly of corroded metal junctions.
- Another object of this invention is to provide an IMI suppression composition that is chemically compatible with ingredients that both penetrate the metal junction and form a lasting film that will prevent reoxidation of the junction.
- composition comprising a polymer, a chelating agent such as EDTA, citric acid, sodium bicarbonate, sodium tetraborate, sodium laural sulfate, water, ethelene glycol, and erythrobic acid.
- a chelating agent such as EDTA, citric acid, sodium bicarbonate, sodium tetraborate, sodium laural sulfate, water, ethelene glycol, and erythrobic acid.
- a chemical composition suitable for reducing intermodulation interference, and which also possesses improved penetrating qualities contains the following:
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
A chemical composition suitable for reducing intermodulation interference, and which also possesses improved penetrating qualities, contains the following:
______________________________________
% by weight
______________________________________
Polyvinylpyrrolidinone (PVP-K-90)
10
Citric Acid 10
Tetrasodium salt of EDTA
5
Sodium Bicarbonate 5
Erythorbic Acid 50
Sodium Tetraborate Decahydrate
7.5
Sodium Laurylsulfate 2.5
Water 5
Ethylene Glycol 5
______________________________________
Description
This application is a continuation-in-part of application Ser. No. 848,423, filed Apr. 4, 1986, now abandoned.
Intermodulation interference (IMI) from metal-oxide-metal non-linear junctions near HF transmitters and receivers is a serious problem aboard ships and in other places where the radio equipment is operated in the vicinity of metal objects which may have corroded junctions.
Numerous means for suppression have been proposed. Most involve the use of mechanical disassembly of the offending corroded metal junctions or the use of cleaning compounds that require mechanical disassembly before they can be properly applied. The current invention is a composition which effectively penetrates corroded junctions and chemically modifies them so that IMI is eliminated and prevented from reoccuring.
One object of this invention is to provide an improved IMI suppression composition that eliminates the need for mechanical disassembly of corroded metal junctions.
Another object of this invention is to provide an IMI suppression composition that is chemically compatible with ingredients that both penetrate the metal junction and form a lasting film that will prevent reoxidation of the junction.
These and other objects are achieved with a composition comprising a polymer, a chelating agent such as EDTA, citric acid, sodium bicarbonate, sodium tetraborate, sodium laural sulfate, water, ethelene glycol, and erythrobic acid.
A chemical composition suitable for reducing intermodulation interference, and which also possesses improved penetrating qualities, contains the following:
______________________________________
% by weight
______________________________________
Polyvinylpyrrolidinone (PVP-K = 90)
10
Citric Acid 10
Tetrasodium salt of EDTA
5
Sodium Bicarbonate 5
Erythorbic Acid 50
Sodium Tetraborate Decahydrate
7.5
Sodium Laurylsulfate 2.5
Water 5
Ethylene Glycol 5
______________________________________
These chemicals are simply mixed at room temperature and normal pressure. The result is a viscous solution which is applied by painting or spraying on the rusty-bolt junctions.
Claims (1)
1. A composition comprising the following:
______________________________________
% by weight
______________________________________
Polyvinylpyrrolidinone (PVP-K-90)
10
Citric Acid 10
Tetrasodium salt of EDTA
5
Sodium Bicarbonate 5
Erythorbic Acid 50
Sodium Tetraborate Decahydrate
7.5
Sodium Laurylsulfate 2.5
Water 5
Ethylene Glycol 5
______________________________________
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/020,217 USH348H (en) | 1986-04-04 | 1987-01-20 | Penetrating compound for the suppression of rusty-bolt intermodulation interference |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US84842386A | 1986-04-04 | 1986-04-04 | |
| US07/020,217 USH348H (en) | 1986-04-04 | 1987-01-20 | Penetrating compound for the suppression of rusty-bolt intermodulation interference |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US84842386A Continuation-In-Part | 1986-04-04 | 1986-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| USH348H true USH348H (en) | 1987-10-06 |
Family
ID=26693177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US07/020,217 Abandoned USH348H (en) | 1986-04-04 | 1987-01-20 | Penetrating compound for the suppression of rusty-bolt intermodulation interference |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | USH348H (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6767938B1 (en) * | 2003-02-18 | 2004-07-27 | Mattel, Inc. | Modeling dough and a surface active drying agent coating composition for same |
| WO2008119533A1 (en) * | 2007-03-29 | 2008-10-09 | Asa Spezialenzyme Gmbh | Method for the removal of corrosion layers |
| CN114349518A (en) * | 2022-01-11 | 2022-04-15 | 松山湖材料实验室 | Porous ceramic preform and preparation method thereof, and hammer head and preparation method thereof |
| CN114524617A (en) * | 2022-03-31 | 2022-05-24 | 郑州圣莱特空心微珠新材料有限公司 | Silicon carbide modified high-thermal-conductivity low-dielectric hollow glass bead and preparation method thereof |
| CN115196931A (en) * | 2022-08-12 | 2022-10-18 | 金陵科技学院 | A kind of thermal insulation board for building exterior wall and its manufacturing method |
-
1987
- 1987-01-20 US US07/020,217 patent/USH348H/en not_active Abandoned
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6767938B1 (en) * | 2003-02-18 | 2004-07-27 | Mattel, Inc. | Modeling dough and a surface active drying agent coating composition for same |
| WO2008119533A1 (en) * | 2007-03-29 | 2008-10-09 | Asa Spezialenzyme Gmbh | Method for the removal of corrosion layers |
| CN114349518A (en) * | 2022-01-11 | 2022-04-15 | 松山湖材料实验室 | Porous ceramic preform and preparation method thereof, and hammer head and preparation method thereof |
| CN114524617A (en) * | 2022-03-31 | 2022-05-24 | 郑州圣莱特空心微珠新材料有限公司 | Silicon carbide modified high-thermal-conductivity low-dielectric hollow glass bead and preparation method thereof |
| CN115196931A (en) * | 2022-08-12 | 2022-10-18 | 金陵科技学院 | A kind of thermal insulation board for building exterior wall and its manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STCF | Information on status: patent grant |
Free format text: PATENTED CASE |