CN102352214A - Double-component silicone structural sealant - Google Patents
Double-component silicone structural sealant Download PDFInfo
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- CN102352214A CN102352214A CN2011102236458A CN201110223645A CN102352214A CN 102352214 A CN102352214 A CN 102352214A CN 2011102236458 A CN2011102236458 A CN 2011102236458A CN 201110223645 A CN201110223645 A CN 201110223645A CN 102352214 A CN102352214 A CN 102352214A
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Abstract
The invention discloses a double-component silicone structural sealant for sealing insulating glass, and belongs to the technical field of sealants. The sealant provided by the invention comprises a component A and a component B, wherein the component A contains the following ingredients of: by weight, 100 parts of alpha-omega-dihydroxyl-terminated polysiloxane, 10-15 parts of alkyl-terminated dimethyl polysiloxane and 75-88 parts of a filler; the component B contains the following ingredients of: by weight, 50 parts of alkyl-terminated dimethyl polysiloxane, 8 parts of carbon black, 20 parts of an alkoxysilane crosslinking agent, 15.5 parts of a coupling agent, 1-1.5 parts of a catalyst and 0.05-1 part of an ultraviolet absorbent. The double-component silicone structural sealant has good aging resistance and bonding performance.
Description
Technical field
The present invention relates to the seal gum technical field, particularly a kind of two-component structural silicone sealant that is used for the double glazing sealing.
Background technology
Double glazing is because it has characteristics such as heat insulation, insulation, sound insulation, antisweat, is the energy-saving and environmental protection product by general approval.The stopping property of double glazing system is relevant with the seal gum that structural stability and its adopt.At present, the cementation process in the double glazing production mostly adopts two road packing techniquies.Wherein, the sealing of first road is the sealing of interior road, adopts the lower butyl rubber of aqueous vapor rate of permeation; Utilize the hot melt adhesive supplier that this butyl rubber is applied to the two sides of double glazing interval box, this butyl rubber can intercept aqueous vapor, the dry gas cavity, and can play sealing and pre-setting effect to glass.The sealing of second road is the outer course sealing; Usually adopt silicone adhesive, gather three kinds of sulphur glue, polyurethane adhesives; At present; Domestic application is more is silicone adhesive and gather sulphur glue; The outer course sealing not only can be bonded to an integral body with glass and interval box, and can play complementary effects such as recovery of elasticity and buffer edge portion stress; Outer course sealing also helps out to the sealing of double glazing, and it mainly acts on and is, just still can keep the structural integrity of double glazing under variation and high humidity and the uviolizing in outside temperature.This shows, at present, select the second road seal gum of silicone structure sealant as double glazing for use, mainly is the structure function that has utilized silicone structure sealant, therefore, and the ageing resistance, consistency and the cohesiveness that require the second road seal gum to have.Publication number is that the Chinese patent of CN1810907A discloses a kind of double glazing with sealing silicone glue with low moisture permeability and method of manufacture thereof, and this silicone sealant can guarantee that low aqueous vapor sees through, but does not relate to ageing resistance and cohesiveness.
Summary of the invention
In order to address the above problem, the present invention proposes a kind of have good ageing resistance and cohesiveness, be used for the two-component structural silicone sealant of double glazing sealing
Two-component structural silicone sealant provided by the invention comprises A component and B component,
Wherein,
Each constitutive property and content comprise in the A component:
Each constitutive property and content comprise in the B component:
Said filler is selected from a kind of in silica powder, talcum powder, water-ground limestone, diatomite, montmorillonite, light calcium carbonate, precipitated silica, nm-class active calcium carbonate, hydrophobic gas-phase silica, the hydrophilic gas-phase silica or their mixture,
Said alkoxy silane cross linked dose is selected from methyltrimethoxy silane, Union carbide A-162, tetraethoxy, positive silicic acid propyl ester, gathers a kind of in the Union carbide A-162 or their mixture,
Said coupling agent is selected from a kind of in the reaction product of γ-An Bingjisanyiyangjiguiwan, γ-(2.3-epoxy third oxygen) propyl trimethoxy silicane, N-β-(aminoethyl)-γ-An Bingjisanjiayangjiguiwan, tetra-n-butyl titanate, titanium isopropylate, ethyl-diacetyl-acetate metatitanic acid diisopropyl ester, γ-An Bingjisanyiyangjiguiwan and γ-(2.3-epoxy third oxygen) propyl trimethoxy silicane or their mixture
Said catalyzer is selected from a kind of in dibutyl tin acetate, dibutyl tin dilaurate, the stannous octoate or their mixture,
Said uv-absorbing agent is selected from a kind of in benzotriazole cpd, benzophenone compound, aryl ester compound, alpha-cyanoacrylate compound, the triaizine compounds or their mixture.
As preferably, said alkoxy silane cross linked dose is tetraethoxy and positive silicic acid propyl ester and the mixture that gathers Union carbide A-162.
As preferably, said filler is the mixture of nm-class active calcium carbonate and hydrophobic gas-phase silica.
As preferably, said uv-absorbing agent is selected from a kind of in cyanoacrylate, the triaizine compounds or their mixture.
As preferably, said coupling agent is selected from a kind of in γ-An Bingjisanyiyangjiguiwan, the ethyl-diacetyl-acetate metatitanic acid diisopropyl ester or their mixture.
As preferably, said catalyzer is a dibutyl tin dilaurate.
As preferably, said A component is evenly stirred in planetary mixer by each component in the said A component and makes.
As preferably, said B component be by each component in the said B component in planetary mixer, under negative pressure-0.08MPa, evenly stir and to make.
As preferably, the blending ratio of said A component and B component is A: B=12: 1.
The beneficial effect of two-component structural silicone sealant provided by the invention is:
Provided by the invention pair of component silicone structure sealant has good ageing resistance and cohesiveness.
Embodiment
In order to understand the present invention in depth, the present invention is elaborated below in conjunction with specific embodiment.
In following embodiment, all viscosity are all measured in the time of 25 ℃, and it all is at room temperature that instance does not have specified otherwise, and all proportions does not have specified otherwise and is weight ratio.
Embodiment 1
The A component: with viscosity is 100 parts of the end capped polysiloxane of α-alpha, omega-dihydroxy of 80000cp, and viscosity is 15 parts of the alkyl-blocked dimethyl polysiloxanes of 500cp, and 5 parts of hydrophobic gas-phase silicas, nm-class active calcium carbonate add in the planetary mixer for 70 parts and stir.
The B component: with viscosity is 50 parts of the alkyl-blocked dimethyl polysiloxanes of 500cp; 8 parts of carbon blacks; 10 parts in tetraethoxy alkane; Gather 10 parts of Union carbide A-162s; 15 parts of γ-An Bingjisanyiyangjiguiwans; 0.5 part of ethyl-diacetyl-acetate metatitanic acid diisopropyl ester, 1 part of dibutyl tin dilaurate stirs under negative pressure-0.08MPa in 0.05 part of adding of uv-absorbing agent planetary mixer.
At room temperature with A and B component according to weight ratio A: B=12: 1 mixed promptly gets two component silicone structure sealants.
Embodiment 2
The A component: with viscosity is 100 parts of the end capped polysiloxane of α-alpha, omega-dihydroxy of 50000cp, and viscosity is 10 parts of the alkyl-blocked dimethyl polysiloxanes of 800cp, and 8 parts of hydrophobic gas-phase silicas, nm-class active calcium carbonate add in the planetary mixer for 80 parts and stir.
The B component: with viscosity is 50 parts of the alkyl-blocked dimethyl polysiloxanes of 800cp; 8 parts of carbon blacks; 10 parts in positive silicic acid propyl ester alkane; Gather 10 parts of Union carbide A-162s; 15 parts of γ-(2.3-epoxy third oxygen) propyl trimethoxy silicane; 0.5 part of ethyl-diacetyl-acetate metatitanic acid diisopropyl ester, 1.5 parts of dibutyl tin dilaurates stir under negative pressure-0.08MPa in 0.1 part of adding of uv-absorbing agent planetary mixer.
At room temperature with A and B component according to weight ratio A: B=12: 1 mixed promptly gets two component silicone structure sealants.
Embodiment 3
The A component: with viscosity is 100 parts of the end capped polysiloxane of α-alpha, omega-dihydroxy of 80000cp, and viscosity is 10 parts of the alkyl-blocked dimethyl polysiloxanes of 100cp, and 5 parts of hydrophobic gas-phase silicas, nm-class active calcium carbonate add in the planetary mixer for 72 parts and stir.
The B component: with viscosity is 50 parts of the alkyl-blocked dimethyl polysiloxanes of 100cp; 10 parts of carbon blacks; 10 parts of methyltrimethoxy silanes; Gather 10 parts of Union carbide A-162s; 15 parts of N-β-(aminoethyl)-γ-An Bingjisanjiayangjiguiwan; 0.5 part of ethyl-diacetyl-acetate metatitanic acid diisopropyl ester, 1.5 parts of dibutyl tin dilaurates stir under negative pressure-0.08MPa in 0.1 part of adding of uv-absorbing agent planetary mixer.
At room temperature with A and B component according to weight ratio A: B=12: 1 mixed promptly gets two component silicone structure sealants.
Through proof test, learn that provided by the invention pair of component silicone structure sealant has good ageing resistance and cohesiveness, wherein the adding of uv-absorbing agent can strengthen its ageing resistance, and the adding of coupling agent can strengthen its cohesiveness.
Above-described embodiment; The object of the invention, technical scheme and beneficial effect have been carried out further explain; Institute is understood that; The above only is the specific embodiment of the present invention; Be not limited to the present invention; All within spirit of the present invention and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a two-component structural silicone sealant is characterized in that, comprises A component and B component, wherein,
Each constitutive property and content comprise in the A component:
Each constitutive property and content comprise in the B component:
Said filler is selected from a kind of in silica powder, talcum powder, water-ground limestone, diatomite, montmorillonite, light calcium carbonate, precipitated silica, nm-class active calcium carbonate, hydrophobic gas-phase silica, the hydrophilic gas-phase silica or their mixture,
Said alkoxy silane cross linked dose is selected from methyltrimethoxy silane, Union carbide A-162, tetraethoxy, positive silicic acid propyl ester, gathers a kind of in the Union carbide A-162 or their mixture,
Said coupling agent is selected from a kind of in the reaction product of γ-An Bingjisanyiyangjiguiwan, γ-(2.3-epoxy third oxygen) propyl trimethoxy silicane, N-β-(aminoethyl)-γ-An Bingjisanjiayangjiguiwan, tetra-n-butyl titanate, titanium isopropylate, ethyl-diacetyl-acetate metatitanic acid diisopropyl ester, γ-An Bingjisanyiyangjiguiwan and γ-(2.3-epoxy third oxygen) propyl trimethoxy silicane or their mixture
Said catalyzer is selected from a kind of in dibutyl tin acetate, dibutyl tin dilaurate, the stannous octoate or their mixture,
Said uv-absorbing agent is selected from a kind of in benzotriazole cpd, benzophenone compound, aryl ester compound, alpha-cyanoacrylate compound, the triaizine compounds or their mixture.
2. seal gum according to claim 1 is characterized in that, said alkoxy silane cross linked dose is tetraethoxy and positive silicic acid propyl ester and the mixture that gathers Union carbide A-162.
3. seal gum according to claim 1 is characterized in that, said filler is the mixture of nm-class active calcium carbonate and hydrophobic gas-phase silica.
4. seal gum according to claim 1 is characterized in that, said uv-absorbing agent is selected from a kind of in cyanoacrylate, the triaizine compounds or their mixture.
5. seal gum according to claim 1 is characterized in that, said coupling agent is selected from a kind of in γ-An Bingjisanyiyangjiguiwan, the ethyl-diacetyl-acetate metatitanic acid diisopropyl ester or their mixture.
6. seal gum according to claim 1 is characterized in that said catalyzer is a dibutyl tin dilaurate.
7. seal gum according to claim 1 is characterized in that, said A component is evenly stirred in planetary mixer by each component in the said A component and makes.
8. seal gum according to claim 1 is characterized in that, said B component be by each component in the said B component in planetary mixer, under negative pressure-0.08MPa, evenly stir and to make.
9. seal gum according to claim 1 is characterized in that, the blending ratio of said A component and B component is A: B=12: 1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110223645.8A CN102352214B (en) | 2011-08-05 | 2011-08-05 | Double-component silicone structural sealant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110223645.8A CN102352214B (en) | 2011-08-05 | 2011-08-05 | Double-component silicone structural sealant |
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| CN102352214A true CN102352214A (en) | 2012-02-15 |
| CN102352214B CN102352214B (en) | 2014-02-19 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103788916A (en) * | 2014-02-11 | 2014-05-14 | 绵阳惠利电子材料有限公司 | Organic silicon sealant with fast-curing property and high heat and humidity resistance and preparation method thereof |
| CN103897656A (en) * | 2012-12-25 | 2014-07-02 | 锋泾（中国）建材集团有限公司 | Double-component flame-retardant silicone sealant for hollow glass |
| CN104629660A (en) * | 2015-01-23 | 2015-05-20 | 朱小英 | Preparation method of sealant for insulating glass |
| CN105018020A (en) * | 2015-07-23 | 2015-11-04 | 天津市虹泰玻璃有限公司 | Good caking property two-component hollow glass silicone sealant |
| CN105112004A (en) * | 2015-06-15 | 2015-12-02 | 深圳市隆邦工业材料有限公司 | Low-viscosity organosilicone waterproof sealant for LED (Light Emitting Diode) surface-mounted screen and preparation method therefor |
| CN105255439A (en) * | 2015-11-17 | 2016-01-20 | 湖北回天新材料股份有限公司 | High-elongation two-component silicone structural adhesive and preparation method thereof |
| US20160347956A1 (en) * | 2015-05-27 | 2016-12-01 | Gaco Western, LLC | Dirt pick-up resistant silicone compositions |
| CN106753204A (en) * | 2016-12-30 | 2017-05-31 | 广州市白云化工实业有限公司 | Double-component silicone structure sealant and preparation method thereof |
| CN106836841A (en) * | 2017-01-24 | 2017-06-13 | 招商局重庆交通科研设计院有限公司 | Repairing concrete crack method and repairing concrete crack instrument |
| CN109135660A (en) * | 2018-08-24 | 2019-01-04 | 杭州之江新材料有限公司 | A kind of dealcoholized type bi-component sealant and preparation method thereof |
| CN111394032A (en) * | 2020-04-29 | 2020-07-10 | 山东亚鑫华数控设备有限公司 | Two-component silicone hollow glass elastic sealant |
| CN111500251A (en) * | 2020-04-16 | 2020-08-07 | 广州回天新材料有限公司 | Double-component condensed type bonding sealant and preparation method thereof |
| CN113980640A (en) * | 2021-11-24 | 2022-01-28 | 湖北兴发凌志新材料有限公司 | Bi-component silicone hollow glass sealant B component and preparation method thereof |
| CN114539970A (en) * | 2022-04-14 | 2022-05-27 | 郑州圣莱特空心微珠新材料有限公司 | Light-weight low-air-tightness two-component silicone sealant and preparation method thereof |
| CN116285860A (en) * | 2022-12-21 | 2023-06-23 | 佛山巨马新材料有限公司 | High-adhesion barrier type bi-component silicone sealant and preparation method thereof |
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| CN101812281A (en) * | 2009-10-23 | 2010-08-25 | 郑州中原应用技术研究开发有限公司 | Sealant with neutral and transparent silicone structure |
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| CN1687288A (en) * | 2005-04-13 | 2005-10-26 | 成都硅宝科技实业有限责任公司 | Flameproofing silicone structure sealant and mfg. method thereof |
| 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 |
| CN101812281A (en) * | 2009-10-23 | 2010-08-25 | 郑州中原应用技术研究开发有限公司 | Sealant with neutral and transparent silicone structure |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103897656A (en) * | 2012-12-25 | 2014-07-02 | 锋泾（中国）建材集团有限公司 | Double-component flame-retardant silicone sealant for hollow glass |
| CN103897656B (en) * | 2012-12-25 | 2015-12-09 | 锋泾（中国）建材集团有限公司 | The two component flame-proof silicone sealant of a kind of double glazing |
| CN103788916A (en) * | 2014-02-11 | 2014-05-14 | 绵阳惠利电子材料有限公司 | Organic silicon sealant with fast-curing property and high heat and humidity resistance and preparation method thereof |
| CN104629660A (en) * | 2015-01-23 | 2015-05-20 | 朱小英 | Preparation method of sealant for insulating glass |
| US9896601B2 (en) * | 2015-05-27 | 2018-02-20 | Gaco Western, LLC | Dirt pick-up resistant silicone compositions |
| US20160347956A1 (en) * | 2015-05-27 | 2016-12-01 | Gaco Western, LLC | Dirt pick-up resistant silicone compositions |
| CN105112004A (en) * | 2015-06-15 | 2015-12-02 | 深圳市隆邦工业材料有限公司 | Low-viscosity organosilicone waterproof sealant for LED (Light Emitting Diode) surface-mounted screen and preparation method therefor |
| CN105018020A (en) * | 2015-07-23 | 2015-11-04 | 天津市虹泰玻璃有限公司 | Good caking property two-component hollow glass silicone sealant |
| CN105255439A (en) * | 2015-11-17 | 2016-01-20 | 湖北回天新材料股份有限公司 | High-elongation two-component silicone structural adhesive and preparation method thereof |
| CN105255439B (en) * | 2015-11-17 | 2018-04-10 | 湖北回天新材料股份有限公司 | A kind of high elongation rate two-component structural silicone adhesive and preparation method thereof |
| CN106753204A (en) * | 2016-12-30 | 2017-05-31 | 广州市白云化工实业有限公司 | Double-component silicone structure sealant and preparation method thereof |
| CN106753204B (en) * | 2016-12-30 | 2020-10-30 | 广州市白云化工实业有限公司 | Two-component silicone structural sealant and preparation method thereof |
| CN106836841A (en) * | 2017-01-24 | 2017-06-13 | 招商局重庆交通科研设计院有限公司 | Repairing concrete crack method and repairing concrete crack instrument |
| CN109135660A (en) * | 2018-08-24 | 2019-01-04 | 杭州之江新材料有限公司 | A kind of dealcoholized type bi-component sealant and preparation method thereof |
| CN111500251A (en) * | 2020-04-16 | 2020-08-07 | 广州回天新材料有限公司 | Double-component condensed type bonding sealant and preparation method thereof |
| CN111394032A (en) * | 2020-04-29 | 2020-07-10 | 山东亚鑫华数控设备有限公司 | Two-component silicone hollow glass elastic sealant |
| CN113980640A (en) * | 2021-11-24 | 2022-01-28 | 湖北兴发凌志新材料有限公司 | Bi-component silicone hollow glass sealant B component and preparation method thereof |
| CN114539970A (en) * | 2022-04-14 | 2022-05-27 | 郑州圣莱特空心微珠新材料有限公司 | Light-weight low-air-tightness two-component silicone sealant and preparation method thereof |
| CN116285860A (en) * | 2022-12-21 | 2023-06-23 | 佛山巨马新材料有限公司 | High-adhesion barrier type bi-component silicone sealant and preparation method thereof |
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