CN106398638A - High temperature bonding agent with ablation resistance as well as preparation method and application thereof - Google Patents
High temperature bonding agent with ablation resistance as well as preparation method and application thereof Download PDFInfo
- Publication number
- CN106398638A CN106398638A CN201610788607.XA CN201610788607A CN106398638A CN 106398638 A CN106398638 A CN 106398638A CN 201610788607 A CN201610788607 A CN 201610788607A CN 106398638 A CN106398638 A CN 106398638A
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- CN
- China
- Prior art keywords
- high temperature
- resistance
- ablation
- temperature adhesive
- bonding agent
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
- C09J183/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/06—Preparatory processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
- C08G77/26—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen nitrogen-containing groups
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Silicon Polymers (AREA)
Abstract
The invention provides a high temperature bonding agent with ablation resistance and a preparation method thereof. Because the bonding agent has a TQ structure which is highly crosslinked, after curing the agent has the advantages of high hardness, low thermal weight loss, high residual content, easy combination with inorganic substances, high heat resistance, and good caking property at a high temperature condition; the high temperature bonding agent with ablation resistance is suitable for high temperature bonding and high temperature sealing of steel mill ladle, slide plate outlet for tundish, and other indefinite form refractory material products, compared with phenolic resins for common refractory materials, the high temperature bonding agent has better high temperature bonding strength and high temperature resistance performance.
Description
Technical field
The present invention relates to adhesive techniques field, more particularly, to a kind of high temperature adhesive of resistance to ablation and preparation method thereof and should
With.
Background technology
With the development of quick, high efficiency continuous casting and Secondary Refining Technology and technique, slide gate nozzle (Sliding Nozzle,
Abbreviation SN) system becomes more and more important in modern steel smelting process, becomes indispensable part in smelting.It is even
The control device of molten steel in casting machine casting cycle, can accurately adjust the discharge from ladle to continuous casting production, make inflow
Reach balance with the molten steel flowing out, so that continuous casting operation is easier to control.Slide gate nozzle system is good because of its controllability, can improve
STEELMAKING PRODUCTION efficiency and developed rapidly.Now, slide gate nozzle system is commonly used on ladle, tundish both at home and abroad
System.
Slide gate nozzle is typically made up of driving means, mechanical part and refractory portion (going up lower skateboard, lower mouth of a river).
The operation principle of slide gate nozzle is so that upper lower slide brick is slided by slide mechanism, thus driving the opening and closing of steel outlet hole to adjust steel
Discharge size.
Slide plate (Sliding Plate, abbreviation SP) is one of critical piece of slide gate nozzle system.According to composition slip water
The slide plate block number of port system divides, and can be divided into two-layer and three-layer type.Ladle slide plate is generally two-layer, upper slide during operation
Maintain static, dammed by lower skateboard and throttle.Tundish slide plate is generally three-layer type, during operation by upper slide with upper
The mouth of a river is fixed, and lower skateboard is fixed with lower mouth of a river, is dammed by middle slide plate and throttles.
For obtaining longer service life and stable operating condition, slide plate as slide gate nozzle system refractory material and
Mechanical component, requires that it has excellent performance.Currently, in order that slide gate nozzle system serviceability is more reliable and more stable,
Shape to slide plate and fixed form have carried out many improvement and have studied, and its main purpose is work during suppression slide plate uses
Make generation and the extension of facial cleft stricture of vagina.
At present, ladle, tundish slide gate nozzle product, lining material in the ladle, all kinds of balk cargos, the indefinite form such as prefabricated component
Fire resistive material product, all can use bonding agent, and its requirement is that after needing bonding agent solidification, energy is high temperature resistant and possesses high intensity,
Adhesive property also has higher requirement simultaneously.
The phenolic resin binder adopting at present, phosphorus content is high, and thermal weight loss is big, and residual part is relatively low, thus cured strength
It is high, and high-temperature behavior is undesirable, with the development of industry, urgent need one kind is heat-resist after solidifying, elevated temperature cohesiveness is strong, strong
Spend the high high temperature adhesive of resistance to ablation.
Content of the invention
In view of this, after the present invention proposes a kind of solidification, resistance to ablation heat-resist, that elevated temperature cohesiveness is strong, intensity is high is high
Warm bonding agent and its preparation method and application.
The technical scheme is that and be achieved in that：On the one hand, the invention provides a kind of high temperature adhesive of resistance to ablation,
Its composition of raw materials includes the component of following mass parts,
100 parts of methyl trialkoxysilane
Tetraalkoxysilane 10-100 part
Stabilizer 0.01-1 part
Catalyst solution 10-50 part.
Three alkoxyls on the basis of above technical scheme it is preferred that in described methyl trialkoxysilane, be
Refer to the combination of one or more of the alkoxyl containing 1-4 carbon atom.
Four alkoxyls on the basis of above technical scheme it is preferred that in described tetraalkoxysilane, refer to contain
There is the combination of one or more of the alkoxyl of 1-4 carbon atom.
It is preferred that described stabilizer is the metal salt solution of oil soluble on the basis of above technical scheme.Specifically, institute
Stating stabilizer for mass concentration is the cerium chloride of 5-15% or the acetone soln of lanthanum chloride.
It is preferred that described catalyst solution is 0.0001- for mass concentration on the basis of above technical scheme
0.5% hydrochloric acid or the aqueous solution of glacial acetic acid.
Second aspect, the invention provides the preparation method of the high temperature adhesive of resistance to ablation described in first aspect present invention, bag
Include following steps,
S1, methyl trialkoxysilane, tetraalkoxysilane mixing are warmed up to 50-80 DEG C, Deca in 2-4 hour
Catalyst solution, drips and finishes addition hexamethyldisiloxane, and regulation pH value is 6.5-7.5, adds stabilizer, and insulation 0.5～2 is little
When；
S2, in 80-110 DEG C of vacuum distillation, distillation is finished blowing while hot and is entered disk stripping, pulverizes, obtain the high temperature of resistance to ablation after cooling
Bonding agent.
The third aspect, the high temperature adhesive of resistance to ablation described in first aspect present invention is in amorphous refractory product
Application.
It is preferred that the high temperature adhesive of resistance to ablation described in first aspect present invention exists on the basis of above technical scheme
The application in the slide plate mouth of a river of steel mill's ladle, tundish.
High temperature adhesive of resistance to ablation of the present invention and its preparation method and application has following beneficial with respect to prior art
Effect：
(1) high temperature adhesive of resistance to ablation of the present invention, due to its highly cross-linked TQ structure, phosphorus content is low, and thermal weight loss is little,
Residual part is high, thus after solidification, hardness is high, is easily combined with inorganic matters, has very high thermostability, has very under the high temperature conditions
Strong adhesion strength；
(2) it is applied to the amorphous refractory product high temperature of resistance to ablation such as steel mill's ladle, the tundish slide plate mouth of a river to glue
Connect agent and elevated-temperature seal, with respect to common phenolic resin for refractory material, there is more preferable high temperature bonding intensity and high temperature resistant
Performance.
Specific embodiment
Below in conjunction with embodiment of the present invention, technical solution of the present invention is clearly and completely described it is clear that institute
The embodiment of description is only a part of embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment party that those of ordinary skill in the art are obtained under the premise of not making creative work
Formula, broadly falls into the scope of protection of the invention.
Embodiment 1
The high temperature adhesive of resistance to ablation of the present embodiment, its composition of raw materials is as follows：
Methyl trialkoxysilane 100kg
Tetraalkoxysilane 10kg
Mass concentration is the acetone soln 0.01kg of 15% cerium chloride
Mass concentration is 0.5% salt aqueous acid 10kg.
Preparation process is as follows：
S1, methyl trialkoxysilane, tetraalkoxysilane mixing is added in the reactor with reflux, is warmed up to
50 DEG C, in 2 hours, Deca mass concentration is 0.5% salt aqueous acid, drips and finishes addition hexamethyldisiloxane, adjusts pH
It is worth for 6.5, add the acetone soln of the cerium chloride that mass concentration is 15%, be incubated 0.5 hour；
S2, in 80 DEG C of vacuum distillations, distillation is finished blowing while hot and is entered in pallet, is pulverized with pulverizer, obtain resistance to burning after cooling
Erosion high temperature adhesive.
Embodiment 2
The high temperature adhesive of resistance to ablation of the present embodiment, its composition of raw materials is as follows：
Methyl trialkoxysilane 100kg
Tetraalkoxysilane 50kg
Mass concentration is the acetone soln 0.1kg of 10% cerium chloride
Mass concentration is 0.1% salt aqueous acid 30kg.
Preparation process is as follows：
S1, methyl trialkoxysilane, tetraalkoxysilane mixing is added in the reactor with reflux, is warmed up to
60 DEG C, in 3 hours, Deca mass concentration is 0.1% salt aqueous acid, drips and finishes addition hexamethyldisiloxane, adjusts pH
It is worth for 7, add the acetone soln of the cerium chloride that mass concentration is 10%, be incubated 1 hour；
S2, in 100 DEG C of vacuum distillations, blowing enters in pallet while hot, is pulverized with pulverizer, obtains the high temperature bonding of resistance to ablation
Agent.
Embodiment 3
The high temperature adhesive of resistance to ablation of the present embodiment, its composition of raw materials is as follows：
Methyl trialkoxysilane 100kg
Tetraalkoxysilane 100kg
Mass concentration is the acetone soln 1kg of 5% lanthanum chloride
Mass concentration is the aqueous solution 50kg of 0.01% glacial acetic acid.
Preparation process is as follows：
S1, methyl trialkoxysilane, tetraalkoxysilane mixing is added in the reactor with reflux, is warmed up to
80 DEG C, in 4 hours, Deca mass concentration is the aqueous solution of 0.01% glacial acetic acid, drips and finishes addition hexamethyldisiloxane, adjusts
Section pH value is 7.5, adds the acetone soln of the lanthanum chloride that mass concentration is 5%, is incubated 1.5 hours；
S2, in 110 DEG C of vacuum distillations, blowing enters in pallet while hot, is pulverized with pulverizer, obtains the high temperature bonding of resistance to ablation
Agent.
The foregoing is only the better embodiment of the present invention, not in order to limit the present invention, all the present invention's
Within spirit and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (9)
1. a kind of high temperature adhesive of resistance to ablation it is characterised in that：Its composition of raw materials includes the component of following mass parts,
100 parts of methyl trialkoxysilane
Tetraalkoxysilane 10-100 part
Stabilizer 0.01-1 part
Catalyst solution 10-50 part.
2. as claimed in claim 1 the high temperature adhesive of resistance to ablation it is characterised in that：In described methyl trialkoxysilane
Three alkoxyls, refer to the combination of one or more of the alkoxyl containing 1-4 carbon atom.
3. as claimed in claim 1 the high temperature adhesive of resistance to ablation it is characterised in that：In described tetraalkoxysilane four
Alkoxyl, refers to the combination of one or more of the alkoxyl containing 1-4 carbon atom.
4. as claimed in claim 1 the high temperature adhesive of resistance to ablation it is characterised in that：Described stabilizer, is the slaine of oil soluble
Solution.
5. as claimed in claim 4 the high temperature adhesive of resistance to ablation it is characterised in that：Described stabilizer is 5- for mass concentration
15% cerium chloride or the acetone soln of lanthanum chloride.
6. as claimed in claim 1 the high temperature adhesive of resistance to ablation it is characterised in that：Described catalyst solution is mass concentration
Hydrochloric acid for 0.01-0.5% or the aqueous solution of glacial acetic acid.
7. as claimed in claim 1 the high temperature adhesive of resistance to ablation preparation method it is characterised in that：Comprise the following steps,
S1, methyl trialkoxysilane, tetraalkoxysilane mixing is warmed up to 50-80 DEG C, Deca catalysis in 2-4 hour
Agent solution, drips and finishes addition hexamethyldisiloxane, and regulation pH value is 6.5-7.5, adds stabilizer, is incubated 0.5～2 hour；
S2, in 80-110 DEG C of vacuum distillation, distillation is finished blowing while hot and is entered disk stripping, pulverizes, obtain the high temperature bonding of resistance to ablation after cooling
Agent.
8. application in amorphous refractory product for the high temperature adhesive of resistance to ablation as claimed in claim 1.
9. as claimed in claim 1 the high temperature adhesive of resistance to ablation in steel mill's ladle, application in the slide plate mouth of a river for the tundish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788607.XA CN106398638A (en) | 2016-08-31 | 2016-08-31 | High temperature bonding agent with ablation resistance as well as preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788607.XA CN106398638A (en) | 2016-08-31 | 2016-08-31 | High temperature bonding agent with ablation resistance as well as preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106398638A true CN106398638A (en) | 2017-02-15 |
Family
ID=58000596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610788607.XA Pending CN106398638A (en) | 2016-08-31 | 2016-08-31 | High temperature bonding agent with ablation resistance as well as preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106398638A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103540289A (en) * | 2013-05-23 | 2014-01-29 | 杭州师范大学 | Preparation method and application of organic silicon resin adhesive |
| CN104726054A (en) * | 2015-04-10 | 2015-06-24 | 哈尔滨工业大学 | Low expansion high temperature adhesive and preparation method thereof |
-
2016
- 2016-08-31 CN CN201610788607.XA patent/CN106398638A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103540289A (en) * | 2013-05-23 | 2014-01-29 | 杭州师范大学 | Preparation method and application of organic silicon resin adhesive |
| CN104726054A (en) * | 2015-04-10 | 2015-06-24 | 哈尔滨工业大学 | Low expansion high temperature adhesive and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 曹万荣 等，: "耐高温、低失重有机硅胶粘剂的研究", 《绝缘材料》 * |
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Application publication date: 20170215 |
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