CN1101368A - Rare-earth high-temp. adhesive - Google Patents
Rare-earth high-temp. adhesive Download PDFInfo
- Publication number
- CN1101368A CN1101368A CN 93117919 CN93117919A CN1101368A CN 1101368 A CN1101368 A CN 1101368A CN 93117919 CN93117919 CN 93117919 CN 93117919 A CN93117919 A CN 93117919A CN 1101368 A CN1101368 A CN 1101368A
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- CN
- China
- Prior art keywords
- rare
- temp
- earth
- temp glue
- adhesive
- 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
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The high-temp. adhesive is prepared with 85% phosphoric acid (60-80%), modified alumina (10-20%) and composite rare earth (0.5-1.5%) through reaction over 800 deg.C, and features high binding power and high-temp. resistance.
Description
The invention belongs to a kind of prescription and production technique of high-temperature agglomerant.Owing to added rare earth element, its over-all properties has obtained large increase, can be widely used in the various high-temperature materials, plays powerful cohesive action.
This high-temp glue is a main raw material with 85% concentration phosphoric acid, modified aluminas and compound rare-earth, and the embodiment prescription is:
85% concentration phosphoric acid 80%
Modified aluminas 19%
Compound rare-earth 1%
These three kinds of raw materials are added in the reaction narrow-necked earthen jar according to the above ratio, uniform mixing, be heated to more than 800 ℃ and kept this temperature 1 hour, it is fully reacted, compound rare-earth wherein is the catalyzer in the reaction process, in finished product, bring into play its unique effect again, improved the over-all properties of high-temp glue greatly.
With the high-temp glue of prescription provided by the invention and explained hereafter, cohesive force is strong, and is high temperature resistant, and over-all properties is better than traditional tackiness agent greatly.Its basic mechanical design feature index is as follows:
Proportion: 1.2g/cm
3
PH value: 1-2
Maximum operation (service) temperature: 1500 ℃-1800 ℃
Production technique of the present invention is simple, and required equipment is few, invest little, instant effect, applied widely, can be widely used in the high temperature bond of industry-by-industries such as chemical industry, medicine, metallurgy, have good social benefit and economic benefit.
Claims (2)
1, a kind of prescription of rare earth high-temp glue.It is characterized in that: with concentration is that 85% concentrated phosphoric acid, modified aluminas, compound rare-earth are main raw material, and wherein 85% concentrated phosphoric acid accounts for 80%-90%, modified aluminas 10%-20%, compound rare-earth 0.5%-1.5%.
2, the production technique of a kind of rare earth high-temp glue according to claim 1 is characterized in that: each raw material is pressed certain weight ratio adds in the reaction narrow-necked earthen jar, be heated to more than 800 ℃ and kept this temperature 1 hour, it is fully reacted, get final product this high-temp glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93117919 CN1101368A (en) | 1993-10-07 | 1993-10-07 | Rare-earth high-temp. adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93117919 CN1101368A (en) | 1993-10-07 | 1993-10-07 | Rare-earth high-temp. adhesive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1101368A true CN1101368A (en) | 1995-04-12 |
Family
ID=4992210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93117919 Pending CN1101368A (en) | 1993-10-07 | 1993-10-07 | Rare-earth high-temp. adhesive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1101368A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103540267A (en) * | 2013-09-18 | 2014-01-29 | 沙士娥 | Inorganic adhesive |
-
1993
- 1993-10-07 CN CN 93117919 patent/CN1101368A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103540267A (en) * | 2013-09-18 | 2014-01-29 | 沙士娥 | Inorganic adhesive |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |