CN107523256A - Aqueous elastic fireproof jointing sealant and preparation method thereof - Google Patents
Aqueous elastic fireproof jointing sealant and preparation method thereof Download PDFInfo
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- CN107523256A CN107523256A CN201710657957.7A CN201710657957A CN107523256A CN 107523256 A CN107523256 A CN 107523256A CN 201710657957 A CN201710657957 A CN 201710657957A CN 107523256 A CN107523256 A CN 107523256A
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- fireproof jointing
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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
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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
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- 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
- C08K2003/166—Magnesium halide, e.g. magnesium chloride
-
- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
- C08K2003/3063—Magnesium sulfate
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Sealing Material Composition (AREA)
Abstract
The present invention proposes a kind of aqueous elastic fireproof jointing sealant and preparation method thereof, according to the number of parts by weight, including following components：2~4 parts of 50~70 parts of organic silicon emulsion, 20~30 parts of polyacrylic water-proof emulsion, 10~20 parts of composite flame-retardant agent, 10~20 parts of filler, 0.5~1 part of rheological agent, 1~2 part of defoamer, 0.5~1.5 part of dispersant and tackifier, the composite flame-retardant agent is mainly prepared by magnesium salts, nano imvite and CNT.The fluid sealant has excellent anti-flammability and environmental-protecting performance.
Description
Technical field
The invention belongs to encapsulant technical field, and in particular to a kind of aqueous elastic fireproof jointing sealant and its preparation
Method.
Background technology
Fluid sealant is that one kind deforms with sealing surface shape, is not easy to trickle, the encapsulant for having certain caking property.It makes
Used time is a kind of flowing or the unsetting material that can squeeze, can pointing closure seam, waved by drying, temperature change, solvent
Hair, it is chemically crosslinked and turns into plasticity solid-state, viscoelastic state or elaxtic seal with the stable bonding of base material, its gradual sizing.
Fireproof seal gum is a kind of more typical fireproof blocking encapsulant, using very extensive, is mainly used in building
The application fields such as the fire-retardant sealing after thing fire proof seal, cable penetration Durchgangshohle.
Existing fireproof seal gum is usually added into halogen flame or inorganic combustion inhibitor obtains flame retardant effect, but halogen burns
Hydrogen halide non-ignitable Shi Shengcheng, environment and people are known from experience and produce secondary injury.Therefore, it is necessary to exploring one kind is free of halogen
With the aqueous elastic fireproof jointing sealant of sulphur, while it is ensured that fireproof seal gum has good physicochemical property, have again
There are excellent anti-flammability and environmental-protecting performance.
The content of the invention
The present invention proposes a kind of aqueous elastic fireproof jointing sealant, and the fluid sealant has excellent anti-flammability and the feature of environmental protection
Energy.
The technical proposal of the invention is realized in this way：
A kind of aqueous elastic fireproof jointing sealant, according to the number of parts by weight, including following components：
50~70 parts of organic silicon emulsion, 20~30 parts of polyacrylic water-proof emulsion, 10~20 parts of composite flame-retardant agent, filler 10~
2~4 parts of 20 parts, 0.5~1 part of rheological agent, 1~2 part of defoamer, 0.5~1.5 part of dispersant and tackifier, the compound resistance
Combustion agent is mainly prepared by magnesium salts, nano imvite and CNT.
Preferably, the preparation method of the composite flame-retardant agent：
The CNT of the nano imvite of 5~10 parts by weight and 3~8 parts by weight is added to 80~90 parts by weight
In the ethanol solution of magnesium salts, the sodium cetanesulfonate that 1~3 parts by weight are added after disperseing is sufficiently stirred, is being divided after ultrasonic disperse
50~100 parts by weight ammoniacal liquor are added in the suspension dissipated, mixed liquor is obtained, the mixed liquor is transferred to 110~180 DEG C of hydro-thermals
Isothermal reaction in kettle, question response carry out subsequent treatment after terminating, obtain composite flame-retardant agent.
Preferably, the magnesium salts is the one or more in magnesium chloride, magnesium sulfate, magnesium nitrate, and the CNT is
Functionalized multi-wall carbonnanotubes.
Preferably, the polyacrylic water-proof emulsion is German BASF water-proof emulsion S 400F.
Preferably, the filler is the mixture of silicon powder and talcum powder, and the mass ratio of silicon powder and talcum powder is 2~3:
1。
Preferably, the tackifier are selected from modified thickening rosin milk and one in acrylic acid-methacrylic acid ester emulsion
Kind or two kinds.
It is a further object to provide a kind of preparation method of aqueous elastic fireproof jointing sealant, including it is following
Step：
Organic silicon emulsion, polyacrylic water-proof emulsion, defoamer, dispersant are added in kneader, stirred at 30~60 DEG C
Mix 10~20 minutes；Composite flame-retardant agent, filler and rheological agent are added, is stirred 1~2 hour；Then tackifier are added, are vacuumized
And heat and be to slowly warm up to 60~70 DEG C, holding vacuum is -0.06 ± 0.02MPa, and insulated and stirred 1~2 hour, you can.
Beneficial effects of the present invention：
The present invention is using the composite flame-retardant agent being prepared by magnesium salts, nano imvite and CNT not only fire-retardant rate
Height, and add the viscosity of fluid sealant.The aqueous elastic fireproof jointing sealant combustibility of the present invention reaches HB levels.
Examination criteria according to fire-proof sealing material：The aqueous elastic fire prevention that the GB23864-2009 detection present invention is obtained
The performance of joint filling fluid sealant, resistance to acids and bases is 6~7d, non-swelling, is not ftractureed.
Embodiment
Embodiment 1
The preparation method of composite flame-retardant agent：
The functionalized multi-wall carbonnanotubes of the nano imvite of 8 parts by weight and 6 parts by weight are added to 85 parts by weight
In the ethanol solution of magnesium sulfate, the sodium cetanesulfonate that 2 parts by weight are added after disperseing is sufficiently stirred, is being disperseed after ultrasonic disperse
70 parts by weight ammoniacal liquor are added in good suspension, obtain mixed liquor, it is anti-that the mixed liquor is transferred into constant temperature in 150 DEG C of water heating kettles
Should, question response carries out subsequent treatment after terminating, and obtains composite flame-retardant agent.
Embodiment 2
The preparation method of composite flame-retardant agent：
The CNT of the nano imvite of 10 parts by weight and 8 parts by weight is added to the second of the magnesium chloride of 80 parts by weight
In alcoholic solution, be sufficiently stirred it is scattered after add the sodium cetanesulfonates of 3 parts by weight, in scattered suspension after ultrasonic disperse
100 parts by weight ammoniacal liquor of middle addition, obtain mixed liquor, the mixed liquor are transferred into isothermal reaction in 180 DEG C of water heating kettles, question response knot
Subsequent treatment is carried out after beam, obtains composite flame-retardant agent.
Embodiment 3
A kind of aqueous elastic fireproof jointing sealant, according to the number of parts by weight, including following components：
60 parts of organic silicon emulsion, German 24 parts of BASF water-proof emulsion S 400F, embodiment 1 16 parts of composite flame-retardant agent,
3 parts of 14 parts of filler, 0.7 part of rheological agent, 1.4 parts of defoamer, 0.8 part of dispersant and acrylic acid-methacrylic acid ester emulsion.Fill out
Expect the mixture for silicon powder and talcum powder, the mass ratio of silicon powder and talcum powder is 2:1.
Embodiment 4
A kind of aqueous elastic fireproof jointing sealant, according to the number of parts by weight, including following components：
50 parts of organic silicon emulsion, German 30 parts of BASF water-proof emulsion S 400F, embodiment 2 10 parts of composite flame-retardant agent,
10 parts of filler, 0.5 part of rheological agent, 1 part of defoamer, 0.5 part of dispersant and modified 2 parts of rosin milk of thickening.Filler is that silicon is micro-
The mass ratio of the mixture of powder and talcum powder, silicon powder and talcum powder is 3:1.
Embodiment 5
A kind of aqueous elastic fireproof jointing sealant, according to the number of parts by weight, including following components：
70 parts of organic silicon emulsion, German 20 parts of BASF water-proof emulsion S 400F, embodiment 1 20 parts of composite flame-retardant agent,
20 parts of filler, 1 part of rheological agent, 2 parts of defoamer, 1.5 parts of dispersant, modified 2 parts of rosin milk of thickening and acrylic acid-metering system
2 parts of acid esters emulsion.Filler is the mixture of silicon powder and talcum powder, and the mass ratio of silicon powder and talcum powder is 3:1.
Embodiment 6
A kind of aqueous elastic fireproof jointing sealant, according to the number of parts by weight, including following components：
56 parts of organic silicon emulsion, German 23 parts of BASF water-proof emulsion S 400F, embodiment 2 12 parts of composite flame-retardant agent,
3 parts of 16 parts of filler, 0.8 part of rheological agent, 1.2 parts of defoamer, 1.2 parts of dispersant and acrylic acid-methacrylic acid ester emulsion.Fill out
Expect the mixture for silicon powder and talcum powder, the mass ratio of silicon powder and talcum powder is 2:1.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (7)
- A kind of 1. aqueous elastic fireproof jointing sealant, it is characterised in that according to the number of parts by weight, including following components：50~70 parts of organic silicon emulsion, 20~30 parts of polyacrylic water-proof emulsion, 10~20 parts of composite flame-retardant agent, filler 10~20 Part, 0.5~1 part of rheological agent, 1~2 part of defoamer, 0.5~1.5 part of dispersant and 2~4 parts of tackifier, the composite flame-proof Agent is mainly prepared by magnesium salts, nano imvite and CNT.
- 2. aqueous elastic fireproof jointing sealant according to claim 1, it is characterised in that the system of the composite flame-retardant agent Preparation Method：The CNT of the nano imvite of 5~10 parts by weight and 3~8 parts by weight is added to the magnesium salts of 80~90 parts by weight Ethanol solution in, be sufficiently stirred it is scattered after add the sodium cetanesulfonates of 1~3 parts by weight, scattered after ultrasonic disperse Suspension in add 50~100 parts by weight ammoniacal liquor, obtain mixed liquor, the mixed liquor be transferred in 110~180 DEG C of water heating kettles Isothermal reaction, question response carry out subsequent treatment after terminating, obtain composite flame-retardant agent.
- 3. aqueous elastic fireproof jointing sealant according to claim 2, it is characterised in that the magnesium salts be magnesium chloride, One or more in magnesium sulfate, magnesium nitrate, the CNT are functionalized multi-wall carbonnanotubes.
- 4. aqueous elastic fireproof jointing sealant according to claim 1, it is characterised in that the polyacrylic water-proof emulsion For German BASF water-proof emulsion S 400F.
- 5. aqueous elastic fireproof jointing sealant according to claim 1, it is characterised in that the filler be silicon powder with The mass ratio of the mixture of talcum powder, silicon powder and talcum powder is 2~3:1.
- 6. aqueous elastic fireproof jointing sealant according to claim 1, it is characterised in that the tackifier, which are selected from, to be modified Viscosify rosin milk with it is one or two kinds of in acrylic acid-methacrylic acid ester emulsion.
- 7. the preparation method of aqueous elastic fireproof jointing sealant as claimed in claim 1, it is characterised in that including following step Suddenly：Organic silicon emulsion, polyacrylic water-proof emulsion, defoamer, dispersant are added in kneader, 10 are stirred at 30~60 DEG C ~20 minutes；Composite flame-retardant agent, filler and rheological agent are added, is stirred 1~2 hour；Then tackifier are added, vacuumizes and adds Heat is to slowly warm up to 60~70 DEG C, and holding vacuum is -0.06 ± 0.02MPa, and insulated and stirred 1~2 hour, you can.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710657957.7A CN107523256A (en) | 2017-08-03 | 2017-08-03 | Aqueous elastic fireproof jointing sealant and preparation method thereof |
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| CN201710657957.7A CN107523256A (en) | 2017-08-03 | 2017-08-03 | Aqueous elastic fireproof jointing sealant and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109337642A (en) * | 2018-10-15 | 2019-02-15 | 沈雯熹 | A kind of fireproof seal gum and preparation method thereof |
| CN112662319A (en) * | 2020-12-22 | 2021-04-16 | 湖南梵鑫科技有限公司 | Sealant with good wettability for electronic equipment and preparation method thereof |
Citations (4)
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|---|---|---|---|---|
| CN101302420A (en) * | 2008-07-01 | 2008-11-12 | 中国核动力研究设计院 | High-expansion fireproof sealant and preparation thereof |
| CN101397488A (en) * | 2008-11-11 | 2009-04-01 | 中国核动力研究设计院 | Fireproof elastic sealant and preparation method thereof |
| CN102559130A (en) * | 2011-11-30 | 2012-07-11 | 江苏欣安新材料技术有限公司 | Aqueous elastic fireproof jointing sealant |
| CN102585756A (en) * | 2011-11-30 | 2012-07-18 | 江苏欣安新材料技术有限公司 | Water-based high-expansion fireproof sealant |
-
2017
- 2017-08-03 CN CN201710657957.7A patent/CN107523256A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302420A (en) * | 2008-07-01 | 2008-11-12 | 中国核动力研究设计院 | High-expansion fireproof sealant and preparation thereof |
| CN101397488A (en) * | 2008-11-11 | 2009-04-01 | 中国核动力研究设计院 | Fireproof elastic sealant and preparation method thereof |
| CN102559130A (en) * | 2011-11-30 | 2012-07-11 | 江苏欣安新材料技术有限公司 | Aqueous elastic fireproof jointing sealant |
| CN102585756A (en) * | 2011-11-30 | 2012-07-18 | 江苏欣安新材料技术有限公司 | Water-based high-expansion fireproof sealant |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109337642A (en) * | 2018-10-15 | 2019-02-15 | 沈雯熹 | A kind of fireproof seal gum and preparation method thereof |
| CN112662319A (en) * | 2020-12-22 | 2021-04-16 | 湖南梵鑫科技有限公司 | Sealant with good wettability for electronic equipment and preparation method thereof |
| CN112662319B (en) * | 2020-12-22 | 2022-11-22 | 湖南梵鑫科技有限公司 | Sealant with good wettability for electronic equipment and preparation method thereof |
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Application publication date: 20171229 |