CN103897656B - The two component flame-proof silicone sealant of a kind of double glazing - Google Patents
The two component flame-proof silicone sealant of a kind of double glazing Download PDFInfo
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- CN103897656B CN103897656B CN201210569448.6A CN201210569448A CN103897656B CN 103897656 B CN103897656 B CN 103897656B CN 201210569448 A CN201210569448 A CN 201210569448A CN 103897656 B CN103897656 B CN 103897656B
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Abstract
The present invention relates to a kind of silicone sealant and preparation method thereof, belong to sealing material technical field.The object of the invention is to fill up current technology vacancy, provide a kind of double glazing two component flame-proof silicone sealant.The formula constituent of described seal gum is by mass: component A: α, alpha, omega-dihydroxy polydimethyl siloxane 15-35 part, filler 30-50 part, methyl-silicone oil 5-15 part, inorganic combustion inhibitor 10-40 part, B component: carbon black 10-35 part, methyl-silicone oil? 10-50 part, coupling agent 10-40 part, linking agent 5-15 part, poly-methyl three oxygen ethylsilane 10-40 part, catalyzer 0.1-0.5 part, during use, two constituent masses are than being A:B=15:1, mixing and stirring.Sealing glue in use has flame retardancy and self-extinguishing, thus greatly facilitates the widespread use of two component silicone sealant.
Description
Technical field
The present invention relates to a kind of silicone sealant and preparation method thereof, belong to sealing material technical field.
Background technology
From the Beijing Hotel in 1985 uses glass curtain wall at home for the first time, domestic glass curtain wall industry obtains and develops fast, and the glass curtain wall technology of China has gone to prostatitis, the world gradually.
On glass curtain wall, the main seal gum used mainly contains silicone structure sealant, butyl hot-melt glue, polysulfide sealant etc.Silicone sealant generally as second sealing has single-component and two component two kinds, for the former, application number is that the patent of 201210037265.X provides a kind of one-component flame retardant silicone sealant and preparation method thereof, but due to two component silicone sealant can environmentally, the factor such as temperature, any adjustment set time, curing speed, construction are simple etc., obvious relative to its advantage single-component silicone sealant, thus generally each large enterprises all at the two component silicone sealant of use.But present stage, two component silicone sealants on the market did not generally have flame retardant effect, and modern architecture requires more and more higher to fire resistance property, and the development with two component silicone insulating glass sealants of flame retardant effect just becomes certainty.
Summary of the invention
The object of the invention is to fill up current technology vacancy, provide a kind of double glazing two component flame-proof silicone sealant.
Technical scheme of the present invention is achieved in that the two component flame-proof silicone sealant of a kind of double glazing, and the formula constituent of described seal gum is by mass:
Component A:
α, alpha, omega-dihydroxy polydimethyl siloxane 15-35 part
Filler 30-50 part
Methyl-silicone oil 5-15 part
Inorganic combustion inhibitor: 10-40 part
B component:
Carbon black 10-35 part
Methyl-silicone oil 10-50 part
Coupling agent 10-40 part
Linking agent 5-15 part
Poly-Union carbide A-162 10-40 part
Catalyzer 0.1-0.5 part
During use, two constituent masses are than being A:B=15:1, mixing and stirring.
Optimally, described α, 0.2Pas-200Pas when alpha, omega-dihydroxy polydimethyl siloxane viscosity is 25 degrees Celsius.
Optimally, described filler is activated Calcium carbonate.
Optimally, 0.01-10Pas when described methyl-silicone oil viscosity is 25 degrees Celsius.
Optimally, described inorganic combustion inhibitor is the compound of aluminium hydroxide and magnesium hydroxide, and ratio is 1:1.
Optimally, described coupling agent is 3-aminopropyl triethoxysilane, chloropropyl triethoxysilane, N-(β-aminoethyl) one or more in-γ-aminopropyltrimethoxysilane.
Optimally, linking agent is one or more in methyl tributanoximo silane, vinyl tributyl ketoximyl silane, methyl triacetoxysilane, methyltrimethoxy silane.
Optimally, described catalyzer is one or more in dibutyl tin laurate, dibutyl tin acetate, titanium propanolate, butyl (tetra) titanate.
Optimally, described carbon black is commercially available colour carbon black.
Preparation technology:
Component A:
By α, alpha, omega-dihydroxy polydimethyl siloxane, filler, methyl-silicone oil, inorganic combustion inhibitor drops in stirrer and stirs 30-60 minute, after to be transported on shredder by coupling device and to grind, guarantee that filler and inorganic combustion inhibitor are uniformly dispersed.Material after grinding is put into high velocity dispersators or planetary mixer to carry out stirring and vacuumize, remove steam.Discharging after finding time 30-60 minute, packaging.
B component:
First carbon black and methyl-silicone oil are put into stirring tank to stir, after stirring, use shredder to grind, guarantee that carbon black dispersion is even,
Ground carbon black and methyl-silicone oil are put into planetary mixer once adds poly-Union carbide A-162, linking agent, coupling agent, catalyzer find time to stir 30-100 minute, discharging is packed;
Preserve respectively after A, B component are obtained, during use, be mixed in proportion rear use.
Main Function mechanism of the present invention absorbs combustionmaterial surface heat and reaches fire-retardant object for inorganic combustion inhibitor during burning occurs to decompose.Sealing glue in use has flame retardancy and self-extinguishing, solve two component silicone sealant shortcoming that in use ubiquitous flame retardant properties is not up to standard, flame retardant properties is poor, and this product has the features such as nontoxic, non-corrosiveness, environmental protection, thus greatly facilitate the widespread use of two component silicone sealant.
Specific embodiment
Embodiment 1
Respectively by with each component of specifying in following table 1 by α, alpha, omega-dihydroxy polydimethyl siloxane, activated Calcium carbonate, methyl-silicone oil, aluminium hydroxide drops in stirrer and stirs 30-60 minute, rotating speed 50-500 rev/min, be transported on shredder by coupling device afterwards and grind, guarantee that filler and inorganic fire-retarded filler are uniformly dispersed.Material after grinding is put into high velocity dispersators or planetary mixer use vacuum pump to carry out stirring is found time, vacuum tightness 0.06-0.08mpa, remove steam.Discharging after finding time 30-60 minute, packaging, this is component A.Carbon black and methyl-silicone oil are put into stirring tank stir, after stirring, use shredder to grind, guarantee that carbon black dispersion is even.
Ground colour carbon black and methyl-silicone oil are put into planetary mixer adds poly-Union carbide A-162 successively, methyl tributanoximo silane, 3-aminopropyl triethoxysilane, dibutyl tin laurate find time to stir 30-100 minute, rotating speed 100-500 rev/min of discharging packaging, this is B component.By A, B component by mass ratio 15:1 mix and blend all namely obtain product of the present invention with rear.Then test various performance, list test result in table 2.
Embodiment 2
By the method repeating embodiment 1 with each component concentration of specifying in following table 1, but coupling agent chloropropyl three oxygen ethylsilane replaces 3-aminopropyl triethoxysilane, linking agent vinyl tributyl ketoximyl silane replaces methyl tributanoximo silane, catalyzer dibutyl tin acetate replaces dibutyl tin laurate, lists test result in table 2.
Embodiment 3
By the method repeating embodiment 1 with each component concentration of specifying in following table 1, but coupling agent N-β aminoethyl γ aminopropyl trimethoxysilane replaces chloropropyl three oxygen ethylsilane, linking agent methyl triacetoxysilane replaces vinyl tributyl ketoximyl silane, and catalyzer metatitanic acid third fat replaces dibutyl tin acetate.List test result in table 2.
Embodiment 4
By the method repeating embodiment 1 with each component concentration of specifying in following table 1, linking agent methyltrimethoxy silane replaces methyl tributanoximo silane, and catalyzer butyl (tetra) titanate replaces dibutyl tin acetate, lists test result in table 2.
Embodiment 5
By the method repeating embodiment 1 with each component concentration of specifying in following table 1, catalyzer butyl (tetra) titanate replaces dibutyl tin acetate, lists test result in table 2.
Comparative example 1
By the method repeating embodiment 1 with the content of each component of specifying in following table 1, test materials used is consistent with embodiment 1.List test result in table 2.
Comparative example 2
By the method repeating embodiment 1 with the content of each component of specifying in following table 1, test materials used is consistent with embodiment 1.List test result in table 2.
Table 1
In above-mentioned table 2, the test data of each performance of each embodiment and comparative example illustrates, the flame retardant resistance of the product of gained of the present invention is all obviously better than the product of comparative example.
Claims (10)
1. the two component flame-proof silicone sealant of double glazing, the formula constituent of described seal gum is by mass: component A:
α, alpha, omega-dihydroxy polydimethyl siloxane 15-35 part
Filler 30-50 part
Methyl-silicone oil 5-15 part
Inorganic combustion inhibitor: 10-40 part
B component:
Carbon black 10-35 part
Methyl-silicone oil 10-50 part
Coupling agent 10-40 part
Linking agent 5-15 part
Poly-Union carbide A-162 10-40 part
Catalyzer 0.1-0.5 part
During use, two constituent masses are than being A:B=15:1, mixing and stirring.
2. the two component flame-proof silicone sealant of a kind of double glazing according to claim 1, is characterized in that described α, 0.2Pas-200Pas when alpha, omega-dihydroxy polydimethyl siloxane viscosity is 25 degrees Celsius.
3. the two component flame-proof silicone sealant of a kind of double glazing according to claim 1, is characterized in that described filler is activated Calcium carbonate.
4. the two component flame-proof silicone sealant of a kind of double glazing according to claim 1,0.01-10Pas when it is characterized in that described methyl-silicone oil viscosity is 25 degrees Celsius.
5. the two component flame-proof silicone sealant of a kind of double glazing according to claim 1, it is characterized in that described inorganic combustion inhibitor is the compound of aluminium hydroxide and magnesium hydroxide, ratio is 1:1.
6. the two component flame-proof silicone sealant of a kind of double glazing according to claim 1, is characterized in that described coupling agent is 3-aminopropyl triethoxysilane, chloropropyl triethoxysilane, N-(β-aminoethyl) one or more in-γ-aminopropyltrimethoxysilane.
7. the two component flame-proof silicone sealant of a kind of double glazing according to claim 1, is characterized in that linking agent is one or more in methyl tributanoximo silane, vinyl tributyl ketoximyl silane, methyl triacetoxysilane, methyltrimethoxy silane.
8. the two component flame-proof silicone sealant of a kind of double glazing according to claim 1, is characterized in that described catalyzer is one or more in dibutyl tin laurate, dibutyl tin acetate, titanium propanolate, butyl (tetra) titanate.
9. the two component flame-proof silicone sealant of a kind of double glazing according to claim 1, is characterized in that described carbon black is commercially available colour carbon black.
10. a double glazing as claimed in claim 1 preparation method for two component flame-proof silicone sealant, its preparation technology comprises and prepares A, B component two kinds of techniques respectively:
Component A:
By α, alpha, omega-dihydroxy polydimethyl siloxane, filler, methyl-silicone oil, inorganic combustion inhibitor drops in stirrer and stirs 30-60 minute, after to be transported on shredder by coupling device and to grind, guarantee that filler and inorganic combustion inhibitor are uniformly dispersed; Material after grinding is put into high velocity dispersators or planetary mixer to carry out stirring and vacuumize, remove steam; Discharging after finding time 30-60 minute, packaging;
B component:
First carbon black and methyl-silicone oil are put into stirring tank to stir, after stirring, use shredder to grind, guarantee that carbon black dispersion is even; Ground carbon black and methyl-silicone oil are put into planetary mixer once adds poly-Union carbide A-162, linking agent, coupling agent, catalyzer find time to stir 30-100 minute, discharging is packed; Preserve respectively after A, B component are obtained, during use, be mixed in proportion rear use.
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CN103897656B true CN103897656B (en) | 2015-12-09 |
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Families Citing this family (6)
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CN105505293B (en) * | 2016-01-15 | 2017-12-12 | 河南理工大学 | Antibacterial flame-retardant silicone sealant and preparation method thereof |
CN106978132A (en) * | 2017-04-19 | 2017-07-25 | 常熟市恒信粘胶有限公司 | The fire-retardant fast solidification double glazing silicone sealant of two-component |
CN107779168A (en) * | 2017-11-23 | 2018-03-09 | 安徽鑫盛玻璃有限公司 | A kind of preparation method of laminated glass-use silicone two-component fluid sealant |
CN109096983A (en) * | 2018-07-09 | 2018-12-28 | 广州城建职业学院 | A kind of preparation method of two-component condensed type building structure sealant |
CN109913153A (en) * | 2018-10-19 | 2019-06-21 | 辽宁旭日新能源科技有限公司 | A kind of solar photovoltaic assembly sealant and preparation method thereof |
CN115491165B (en) * | 2022-10-19 | 2023-08-18 | 杭州之江新材料有限公司 | Flame-retardant silicone adhesive for hollow glass and preparation method thereof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1810907A (en) * | 2006-02-28 | 2006-08-02 | 成都硅宝科技实业有限责任公司 | Sealing silicone glue with low moisture permeability for hollow glass and its production process |
CN102352214A (en) * | 2011-08-05 | 2012-02-15 | 曾庆铭 | Double-component silicone structural sealant |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN1810907A (en) * | 2006-02-28 | 2006-08-02 | 成都硅宝科技实业有限责任公司 | Sealing silicone glue with low moisture permeability for hollow glass and its production process |
CN102352214A (en) * | 2011-08-05 | 2012-02-15 | 曾庆铭 | Double-component silicone structural sealant |
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