CN1307080A - Method for producing adhesive by compounding silicate with ethyl alphacyanoacrylate - Google Patents
Method for producing adhesive by compounding silicate with ethyl alphacyanoacrylate Download PDFInfo
- Publication number
- CN1307080A CN1307080A CN 00101365 CN00101365A CN1307080A CN 1307080 A CN1307080 A CN 1307080A CN 00101365 CN00101365 CN 00101365 CN 00101365 A CN00101365 A CN 00101365A CN 1307080 A CN1307080 A CN 1307080A
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- China
- Prior art keywords
- silicate
- cyanoacrylate
- alpha
- adhesive
- fat
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Abstract
The adhesive, named "two-second adhesive" with short cure time, high tensile strength, heat and solvent resistance features that silicate absorbs water molecules from air and water permeating into pores of silicate react with ethyl alpha-cyanoacrylate to form high molecular compound as hard solid. Ethyl alpha-cyanoacrylate has many cyano groups capable of chelating with metal ions in silicate for further high strength. The adhesive may be used in building, hydraulic engineering, military and other fields.
Description
The chemical combination that the present invention relates to silicate and alpha-cyanoacrylate second fat produces the method for tackiness agent, belongs to the organic chemical industry field.
At present, on the market there be the organic compound as tackiness agent: " 502 glue ", " brother two is good ", " double-tube glue " or the like.We are that example is illustrated condition of cure with " 502 glue " now: several minutes to a few hours.The use temperature scope :-40 ℃-+70 ℃ are applicable to splicing metal, glass, plastics materials such as (removing polyethylene, fluoro-containing plastic), and curing speed is fast under the normal temperature, and is easy to use.Heat-resisting, poor solvent resistance.Bonding property: steel steel tensile strength (24 o'clock curing backs under the normal temperature): 〉=250 kilograms per centimeter
2Must two kinds of glue and " 502 glue " that material is used for similar " brother two is good " sold in the market, " double-tube glue ", their weak points are that the use temperature scope has certain limitation, generally between-40 ℃-+70 ℃; Set time is long; Heat-resisting, poor solvent resistance; Tensile strength comparatively speaking a little less than.
The objective of the invention is to avoid the weak point of " brother two is good ", " double-tube glue " and " 502 glue " that a kind of method that can produce tackiness agent fast is provided, its feature is that set time is short, the use temperature scope is bigger, generally between-40 ℃-+250 ℃, tensile strength (normal temperature solidified the back in following 24 hours): 〉=750 kilograms per centimeter
2, its heat-resisting, solvent resistance.
Purpose of the present invention can be achieved by following technical scheme:
The raw materials for production of producing this tackiness agent are: silicate and alpha-cyanoacrylate second fat.
Silicate has porousness, thereby has very big surface-area, very easily sucks airborne water molecules, only uses as filler at this technical scheme mesosilicic acid salt.
Alpha-cyanoacrylate second fat viscosity is very little, and the particle diameter of molecule is also very little, very easily penetrates in the micropore of silicate, and it very easily reacts with water molecules.
Silicate sucks in air under a large amount of water moleculess and the effect of alpha-cyanoacrylate second fat, water molecule reaction in alpha-cyanoacrylate second fat and the silicate forms macromolecular compound, the high rapidly connection of the silicate particulate that makes forms extremely strong hard solid, in the macromolecular compound that forms after alpha-cyanoacrylate second fat solidifies many cyano group are arranged, cyano group very easily with silicate in metal ion form inner complex, make cured article more firm.The curing reaction mechanism of alpha-cyanoacrylate second fat and water molecules is as follows:
R representative-CH wherein
3,-C
2H
5,-C
3H
7Deng.
By the method for above-mentioned formation cured article, its purposes is a lot.It can be used for automobile mending-leakage, construction industry, hydro project, prevent and reduce natural disasters, military field or the like, for example: the parts that the water tank that " coagulating in two seconds " can repairing car, fuel tank and other need be repaired with its; Can also exhibit one's skill to the full in construction industry, such as repair the crossbeam of fracture, build the bridge pier or the like of bridge fast; Moreover, can in hydro project, repair dam, country fair Yan, a state in the Zhou Dynasty of damaged or destroyed by flood or the like; Purposes in others is also a lot, just differs here one to have illustrated for example.
Claims (1)
1, a kind of method that is called " coagulating in two seconds " organic compound of producing, it is characterized in that silicate a large amount of water molecules that sucks and the alpha-cyanoacrylate second fat that penetrates in the silicate micropore interact in air, be solidified into macromolecular compound, make the high rapidly connection of silicate particulate form extremely strong hard solid, in the macromolecular compound that forms after alpha-cyanoacrylate second fat solidifies many cyano group are arranged, cyano group very easily with silicate in metal ion form inner complex, make cured article more firm, silicate can only use as filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001013653A CN1142990C (en) | 2000-01-28 | 2000-01-28 | Method for producing adhesive by compounding silicate with ethyl alphacyanoacrylate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001013653A CN1142990C (en) | 2000-01-28 | 2000-01-28 | Method for producing adhesive by compounding silicate with ethyl alphacyanoacrylate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1307080A true CN1307080A (en) | 2001-08-08 |
| CN1142990C CN1142990C (en) | 2004-03-24 |
Family
ID=4575909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001013653A Expired - Fee Related CN1142990C (en) | 2000-01-28 | 2000-01-28 | Method for producing adhesive by compounding silicate with ethyl alphacyanoacrylate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1142990C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108384039A (en) * | 2018-03-02 | 2018-08-10 | 华南理工大学 | A kind of design method of liquid metal and flexible substrate Interface Adhesion structure |
-
2000
- 2000-01-28 CN CNB001013653A patent/CN1142990C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108384039A (en) * | 2018-03-02 | 2018-08-10 | 华南理工大学 | A kind of design method of liquid metal and flexible substrate Interface Adhesion structure |
| CN108384039B (en) * | 2018-03-02 | 2021-02-19 | 华南理工大学 | Design method of interface adhesion structure of liquid metal and flexible substrate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1142990C (en) | 2004-03-24 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |