CN108219738A - A kind of heat-resistance type bonding agent and its preparation method and application - Google Patents
A kind of heat-resistance type bonding agent and its preparation method and application Download PDFInfo
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- CN108219738A CN108219738A CN201711469218.1A CN201711469218A CN108219738A CN 108219738 A CN108219738 A CN 108219738A CN 201711469218 A CN201711469218 A CN 201711469218A CN 108219738 A CN108219738 A CN 108219738A
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- Prior art keywords
- heat
- bonding agent
- resistance type
- type bonding
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- 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
- C08G77/08—Preparatory processes characterised by the catalysts used
-
- 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
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/10—Silicon-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
Abstract
The present invention proposes a kind of heat-resistance type of resistance to ablation bonding agent and preparation method thereof, and due to its highly cross-linked TQ structure, thus hardness is high after curing, thermal weight loss is small, and residual part is high, is easily combined with inorganic matter, with very high heat resistance, there is very strong caking property under the high temperature conditions；By adding in fiber and silica, its intensity and high temperature resistance can further improve；Suitable for steel mill's ladle, tundish the amorphous refractories product heat-resistance type bonding agent such as slide plate mouth of a river and elevated-temperature seal agent, relative to common phenolic resin for refractory material, there is better high temperature bonding intensity and high temperature resistance.
Description
Technical field
The present invention relates to adhesive techniques fields more particularly to a kind of heat-resistance type bonding agent and its preparation method and application.
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, become indispensable part in smelting.It is to connect
The control device of molten steel in casting machine casting cycle can accurately adjust the water flow from ladle to continuous casting production, make inflow
Reach balance with the molten steel of outflow, so as to be easier to control continuous casting operation.Slide gate nozzle system can be improved because its controllability is good
STEELMAKING PRODUCTION efficiency and rapidly developed.Now, it is commonly used slide gate nozzle system both at home and abroad on ladle, tundish
System.
Slide gate nozzle is generally made of driving device, mechanical part and refractory portion (i.e. upper lower skateboard, collector nozzle).
The operation principle of slide gate nozzle is to slide upper lower slide brick by sliding equipment, and steel is adjusted so as to drive the opening and closing of steel outlet hole
Water flow size.
Slide plate (Sliding Plate, abbreviation SP) is one of critical piece of slide gate nozzle system.Water is slided according to composition
The slide plate block number of port system divides, and can be divided into two-layer and three-layer type.Ladle is generally two-layer with slide plate, upper slide during operation
It is fixed, shut off by lower skateboard and throttled.Tundish is generally three-layer type with slide plate, during operation by upper slide with it is upper
The mouth of a river is fixed, and lower skateboard is fixed with collector nozzle, is shut off and is throttled by intermediate slide plate.
For the operating condition for obtaining longer service life and stablizing, slide plate as slide gate nozzle system refractory material with
Mechanical component requires it with excellent performance.Currently, in order to make slide gate nozzle system performance more reliable and more stable,
Shape and fixed form to slide plate have carried out many improvement and research, and main purpose is to inhibit work during slide plate use
Make the generation and extension of facial cleft line.
At present, the indefinite forms such as ladle, tundish slide gate nozzle product, lining material in the ladle, all kinds of balk cargos, prefabricated component
Fire resistive material product can all use bonding agent, it is required that be that bonding agent is needed high temperature resistant and to have high intensity after curing,
Adhesive property also has higher requirement simultaneously.
The phenolic resin binder used at present, phosphorus content is high, and thermal weight loss is big, and residual part is relatively low, thus cured strength
It is not high, and high-temperature behavior is undesirable, with the development of industry, be badly in need of after a kind of curing it is heat-resist, elevated temperature cohesiveness is strong, strong
Spend high heat-resistance type bonding agent.
Invention content
In view of this, heat-resistance type heat-resist, that elevated temperature cohesiveness is strong, intensity is high glues after the present invention proposes a kind of curing
Connect agent and its preparation method and application.
The technical proposal of the invention is realized in this way：On the one hand, the present invention provides a kind of heat-resistance type bonding agents, former
Material formula includes the component of following mass parts,
100 parts of (methoxy) trimethyl silane
10-100 parts of tetraalkoxysilane
0.01-1 parts of stabilizer
10-50 parts of catalyst solution
20-40 parts of fiber
- 3 parts of silica 1.
On the basis of above technical scheme, it is preferred that four alkoxies in the tetraalkoxysilane refer to contain
There is the combination of one or more of the alkoxy of 1-4 carbon atom.
On the basis of above technical scheme, it is preferred that the stabilizer metal salt solution molten for oil.Specifically, institute
State the acetone soln that stabilizer is cerium chloride that mass concentration is 5-15% or lanthanum chloride.
On the basis of above technical scheme, it is preferred that the catalyst solution is that mass concentration is 0.0001-
0.5% hydrochloric acid or the aqueous solution of glacial acetic acid.
On the basis of above technical scheme, it is preferred that the fiber for below 100 μm of diameter, long below the 1mm of fiber
Glass fibre, rock wool fibers or carbon fiber.
Second aspect, the present invention provides the preparation method of heat-resistance type bonding agent described in first aspect present invention, including with
Lower step,
(methoxy) trimethyl silane, tetraalkoxysilane, fiber and silica are mixed, are warming up to 50- by S1
80 DEG C, catalyst solution was added dropwise in 2-4 hours, drips and finishes addition hexamethyldisilazane, adjusting pH value is 6.5-7.5, is added in
Stabilizer keeps the temperature 0.5~2 hour；
S2, in 80-110 DEG C of vacuum distillation, distillation finishes blowing while hot and enters disk stripping, is crushed after cooling, obtains heat-resistance type bonding
Agent.
The third aspect, heat-resistance type bonding agent the answering in amorphous refractory product described in first aspect present invention
With.
On the basis of above technical scheme, it is preferred that the heat-resistance type bonding agent described in first aspect present invention is in steel mill
Ladle, application of the tundish in the slide plate mouth of a river.
Heat-resistance type bonding agent of the present invention and its preparation method and application has the advantages that relative to the prior art：
(1) heat-resistance type bonding agent of the invention, due to its highly cross-linked TQ structure, phosphorus content is low, and thermal weight loss is small, residual
Part is high, thus hardness is high after curing, is easily combined with inorganic matter, has very high heat resistance, under the high temperature conditions with very strong
Adhesion strength；
(2) by adding in fiber and silica, its intensity and high temperature resistance be can further improve；
(3) suitable for steel mill's ladle, the tundish amorphous refractories product heat-resistance type bonding agent such as slide plate mouth of a river
And elevated-temperature seal agent, relative to common phenolic resin for refractory material, there is better high temperature bonding intensity and heat-resisting quantity
Energy.
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 the embodiment of a part of embodiment of the present invention rather than whole.Based in the present invention
Embodiment, the every other embodiment party that those of ordinary skill in the art are obtained without making creative work
Formula shall fall within the protection scope of the present invention.
Embodiment 1
The heat-resistance type bonding agent of the present embodiment, composition of raw materials are as follows：
(methoxy) trimethyl silane 100kg
Tetraalkoxysilane 10kg
Mass concentration is the acetone soln 0.01kg of 15% cerium chloride
Mass concentration is the aqueous solution 10kg of 0.5% hydrochloric acid
Glass fibre 20kg
Silica 1 kg.
Preparation process is as follows：
(methoxy) trimethyl silane, tetraalkoxysilane, glass fibre and silica are mixed and add in band by S1
In the reaction kettle of reflux, 50 DEG C are warming up to, the aqueous solution for the hydrochloric acid that mass concentration is 0.5% was added dropwise in 2 hours, drop finishes
Hexamethyldisilazane is added in, it is 6.5 to adjust pH value, adds in the acetone soln for the cerium chloride that mass concentration is 15%, heat preservation 0.5
Hour；
S2, in 80 DEG C of vacuum distillations, distillation is finished blowing while hot and is entered in pallet, is crushed after cooling with pulverizer, obtains heatproof
Type bonding agent.
Embodiment 2
The heat-resistance type bonding agent of the present embodiment, composition of raw materials are as follows：
(methoxy) trimethyl silane 100kg
Tetraalkoxysilane 50kg
Mass concentration is the acetone soln 0.1kg of 10% cerium chloride
Mass concentration is the aqueous solution 30kg of 0.1% hydrochloric acid
Rock wool fibers 30kg
Silica 2kg.
Preparation process is as follows：
(methoxy) trimethyl silane, tetraalkoxysilane, rock wool fibers and silica are mixed and add in band by S1
In the reaction kettle of reflux, 60 DEG C are warming up to, the aqueous solution for the hydrochloric acid that mass concentration is 0.1% was added dropwise in 3 hours, drop finishes
Hexamethyldisilazane is added in, it is 7 to adjust pH value, adds in the acetone soln for the cerium chloride that mass concentration is 10%, and heat preservation 1 is small
When；
S2, in 100 DEG C of vacuum distillations, blowing enters in pallet while hot, is crushed with pulverizer, obtains heat-resistance type bonding agent.
Embodiment 3
The heat-resistance type bonding agent of the present embodiment, composition of raw materials are as follows：
(methoxy) trimethyl silane 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
Carbon fiber 40kg
Silica 3kg.
Preparation process is as follows：
(methoxy) trimethyl silane, tetraalkoxysilane, carbon fiber and silica are mixed to add in and be taken back by S1
In the reaction kettle for flowing device, 80 DEG C are warming up to, the aqueous solution for the glacial acetic acid that mass concentration is 0.01%, drop were added dropwise in 4 hours
Finish and add in hexamethyldisilazane, it is 7.5 to adjust pH value, adds in the acetone soln for the lanthanum chloride that mass concentration is 5%, heat preservation
1.5 hour；
S2, in 110 DEG C of vacuum distillations, blowing enters in pallet while hot, is crushed with pulverizer, obtains heat-resistance type bonding agent.
The foregoing is merely the better embodiments of the present invention, are not intended to limit the invention, all the present invention's
Within spirit and principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of heat-resistance type bonding agent, it is characterised in that：Its composition of raw materials includes the component of following mass parts,
100 parts of (methoxy) trimethyl silane
10-100 parts of tetraalkoxysilane
0.01-1 parts of stabilizer
10-50 parts of catalyst solution
20-40 parts of fiber
- 3 parts of silica 1.
2. heat-resistance type bonding agent as described in claim 1, it is characterised in that：Four alcoxyls in the tetraalkoxysilane
Base refers to the combination of one or more of the alkoxy containing 1-4 carbon atom.
3. heat-resistance type bonding agent as described in claim 1, it is characterised in that：The stabilizer, the metal salt solution molten for oil.
4. heat-resistance type bonding agent as claimed in claim 3, it is characterised in that：The stabilizer is that mass concentration is 5-15%'s
The acetone soln of cerium chloride or lanthanum chloride.
5. heat-resistance type bonding agent as described in claim 1, it is characterised in that：The catalyst solution is that mass concentration is
The hydrochloric acid of 0.01-0.5% or the aqueous solution of glacial acetic acid.
6. heat-resistance type bonding agent as described in claim 1, it is characterised in that：The fiber for below 100 μm of diameter, fiber
Glass fibre, rock wool fibers or the carbon fiber of long below 1mm.
7. the preparation method of heat-resistance type bonding agent as described in claim 1, it is characterised in that：Include the following steps,
(methoxy) trimethyl silane, tetraalkoxysilane, fiber and silica are mixed, are warming up to 50-80 by S1
DEG C, catalyst solution was added dropwise in 2-4 hours, drips and finishes addition hexamethyldisilazane, adjusting pH value is 6.5-7.5, is added in steady
Determine agent, keep the temperature 0.5~2 hour；
S2, in 80-110 DEG C of vacuum distillation, distillation finishes blowing while hot and enters disk stripping, is crushed after cooling, obtains heat-resistance type bonding agent.
8. application of the heat-resistance type bonding agent as described in claim 1 in amorphous refractory product.
9. heat-resistance type bonding agent as described in claim 1 is in steel mill's ladle, application of the tundish in the slide plate mouth of a river.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711469218.1A CN108219738A (en) | 2017-12-29 | 2017-12-29 | A kind of heat-resistance type bonding agent and its preparation method and application |
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| CN201711469218.1A CN108219738A (en) | 2017-12-29 | 2017-12-29 | A kind of heat-resistance type bonding agent and its preparation method and application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111040166A (en) * | 2019-11-28 | 2020-04-21 | 湖北新四海化工股份有限公司 | Environment-friendly moisture-curing silicone resin and preparation method thereof |
-
2017
- 2017-12-29 CN CN201711469218.1A patent/CN108219738A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111040166A (en) * | 2019-11-28 | 2020-04-21 | 湖北新四海化工股份有限公司 | Environment-friendly moisture-curing silicone resin and preparation method thereof |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180629 |
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| WD01 | Invention patent application deemed withdrawn after publication |