CN102627940A - Single-component silicone sealant for automobile lamp and preparation method of single-component silicone sealant - Google Patents
Single-component silicone sealant for automobile lamp and preparation method of single-component silicone sealant Download PDFInfo
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- CN102627940A CN102627940A CN2012100876238A CN201210087623A CN102627940A CN 102627940 A CN102627940 A CN 102627940A CN 2012100876238 A CN2012100876238 A CN 2012100876238A CN 201210087623 A CN201210087623 A CN 201210087623A CN 102627940 A CN102627940 A CN 102627940A
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Abstract
The invention relates to a single-component silicone sealant for an automobile lamp and a preparation method of the single-component silicone sealant. The preparation method of the single-component silicone sealant is characterized in that the preparation method of single-component silicone sealant is prepared by the followings in weight by parts: 100 parts of hydroxy-terminated polydimethylsiloxane, 1-150 parts of nanometer calcium carbonate treated by silazane, 5-25 parts of silica micropowder, 0.1-2 parts of tackifier, 2-5 parts of fumed silica, 1-15 parts of coupling agent, 0.1-5 parts of catalyst, 2-30 parts of plasticizer, 0.1-5 parts of MQ resin, 0-3 parts of ageing resistant agent and 0-3 parts of defoaming agent. The components are stirred under the vacuum condition; and after low molecular substances are removed, the single-component silicone sealant is discharged and filled.
Description
Technical field
The present invention relates to a kind of auto lamp with single-component silicone fluid sealant and preparation method thereof, belong to high molecule sealing materials and manufacturing field thereof.
Background technology
Auto lamp mainly contains polyurethanes sealer, butyl hot-melt glue and silicone sealer with sealer.Have the intensity height on the car light, volatile matter is low etc. bad, the anti-complex environment performance of characteristics polyurethanes sealer cohesiveness is bad but the polyurethanes sealer is applied in, drainage can appear in long-term exposure in environment; Inconvenient when the butyl-like hot melt adhesive uses, cohesiveness is bad, has limited its use.
Silicone sealant does not contain organic solvent, and is free from environmental pollution; Single-component silicone fluid sealant can use separately, does not need other shimming, and is easy to use.Have performances such as excellent high temperature resistant, weather-proof, ageing-resistant, cementability, on automobile lamp, be widely used.
Summary of the invention
The objective of the invention is to invent a kind of auto lamp with single-component silicone fluid sealant preparation method extremely; Be characterized in having adopted nano-calcium carbonate and silicon powder as filler; Increased the compactness of system, steam is difficult for the entering system, to car light better tolerance under complex environment; Added tackifier, softening agent and protective agent, made it have good cementability and resistance to deterioration.
The formula constituent of sealer of the present invention is by weight:
Used coupling agent is PMOS, vinyl tributanoximo silane, methyl tributanoximo silane, methyl trimethoxy ethyl ketone oximino silane, dimethyl-two Diacetylmonoxime base silanes, four Diacetylmonoxime base silanes, one or more in the phenyl tributanoximo silane etc.
Used tackifier are glycidoxy-propyltrimethoxy silane, n-butyl amine base propyl trimethoxy silicane, aminopropyl trimethoxysilane, one or more in the aminoethyl aminopropyl trimethoxysilane etc.
Catalyst system therefor is butyl(tetra)titanate, titanium propanolate, isopropyl titanate, dibutyl tin laurate, one or more in the tin acetate etc.
Used softening agent is methyl-silicone oil, technical grade mineral wet goods.
Used MQ resin is a methyl MQ resin.
Used protective agent is an oxidation inhibitor
Skimmer is a silicone antifoam agent
The method includes the steps of:
With hydroxyl endblocked polydimethylsiloxane 100 weight parts, with the nano-calcium carbonate 1-150 weight part that silazane is handled, silicon powder 5-25 weight part, tackifier 0.1-2 weight part; Aerosil 2-5 weight part, coupling agent 1-15 weight part, catalyzer 0.1-5 weight part; Softening agent 2-30 weight part, MQ resin 0.1-5 weight part, protective agent 0-3 weight part; Skimmer 0-3 weight part stirs under vacuum, removes discharging can behind the lower-molecular substance.
Embodiment
Embodiment 1
With hydroxyl endblocked polydimethylsiloxane 100 weight parts, with nano-calcium carbonate 80 weight parts that silazane is handled, silicon powder 15 weight parts, tackifier 1 weight part; Aerosil 3 weight parts, coupling agent 10 weight parts, catalyzer 2 weight parts; Softening agent 6 weight parts, MQ resin 2 weight parts, protective agent 1 weight part; Skimmer 1 weight part stirs under vacuum, removes discharging can behind the lower-molecular substance.
Embodiment 2
With hydroxyl endblocked polydimethylsiloxane 200 weight parts, with nano-calcium carbonate 160 weight parts that silazane is handled, silicon powder 30 weight parts, tackifier 2 weight parts; Aerosil 6 weight parts, coupling agent 20 weight parts, catalyzer 4 weight parts; Softening agent 12 weight parts, MQ resin 4 weight parts, protective agent 2 weight parts; Skimmer 2 weight parts stir under vacuum, remove discharging can behind the lower-molecular substance.
Embodiment 3
With hydroxyl endblocked polydimethylsiloxane 100 weight parts, with nano-calcium carbonate 120 weight parts that silazane is handled, silicon powder 20 weight parts, tackifier 2 weight parts; Aerosil 4 weight parts, coupling agent 15 weight parts, catalyzer 4 weight parts; Softening agent 15 weight parts, MQ resin 5 weight parts, protective agent 2 weight parts; Skimmer 2 weight parts stir under vacuum, remove discharging can behind the lower-molecular substance.
Claims (8)
1. an auto lamp is characterized in that with single-component silicone fluid sealant and preparation method thereof the formula constituent of sealing glue is by weight:
2. use single-component silicone fluid sealant according to the said auto lamp of claim 1; It is characterized in that used coupling agent is the active organopolysiloxane of side, vinyl tributanoximo silane, methyl tributanoximo silane; Methyl trimethoxy ethyl ketone oximino silane; Dimethyl-two Diacetylmonoxime base silanes, four Diacetylmonoxime base silanes, one or more in the phenyl tributanoximo silane etc.
3. use single-component silicone fluid sealant according to the said auto lamp of claim 1; It is characterized in that used tackifier are glycidoxy-propyltrimethoxy silane; N-butyl amine base propyl trimethoxy silicane, aminopropyl trimethoxysilane, one or more in the aminoethyl aminopropyl trimethoxysilane etc.
4. use single-component silicone fluid sealant according to the said auto lamp of claim 1, it is characterized in that catalyst system therefor is butyl(tetra)titanate, titanium propanolate, isopropyl titanate, dibutyl tin laurate, one or more in the tin acetate etc.
5. use single-component silicone fluid sealant according to the said auto lamp of claim 1, it is characterized in that used softening agent is methyl-silicone oil, technical grade mineral wet goods.
6. use single-component silicone fluid sealant according to the said auto lamp of claim 1, it is characterized in that used MQ resin is XXXXX.
7. use single-component silicone fluid sealant according to the said auto lamp of claim 1, it is characterized in that skimmer is a silicone antifoam agent.
8. use single-component silicone fluid sealant according to the said auto lamp of claim 1-7, it is characterized in that the method includes the steps of:
With hydroxyl endblocked polydimethylsiloxane 100 weight parts, with the nano-calcium carbonate 1-150 weight part that silazane is handled, silicon powder 5-25 weight part, tackifier 0.1-2 weight part; Aerosil 2-5 weight part, coupling agent 1-15 weight part, catalyzer 0.1-5 weight part; Softening agent 2-30 weight part, MQ resin 0.1-5 weight part, protective agent 0-3 weight part; Skimmer 0-3 weight part stirs under vacuum, removes discharging can behind the lower-molecular substance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100876238A CN102627940A (en) | 2012-03-28 | 2012-03-28 | Single-component silicone sealant for automobile lamp and preparation method of single-component silicone sealant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100876238A CN102627940A (en) | 2012-03-28 | 2012-03-28 | Single-component silicone sealant for automobile lamp and preparation method of single-component silicone sealant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102627940A true CN102627940A (en) | 2012-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100876238A Pending CN102627940A (en) | 2012-03-28 | 2012-03-28 | Single-component silicone sealant for automobile lamp and preparation method of single-component silicone sealant |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205234A (en) * | 2013-03-15 | 2013-07-17 | 烟台德邦科技有限公司 | Low-viscosity neutral organic silicone and application thereof |
| JP2014015557A (en) * | 2012-07-10 | 2014-01-30 | Shin Etsu Chem Co Ltd | Room temperature curable organopolysiloxane composition |
| CN103602307A (en) * | 2013-12-09 | 2014-02-26 | 江苏天辰硅材料有限公司 | Dealcoholized low-permanent-deformation oil-resistant RTV (room-temperature vulcanized) silicone rubber sealant and preparation method thereof |
| CN103666250A (en) * | 2013-12-13 | 2014-03-26 | 烟台德邦科技有限公司 | Organic silicon coating rubber and preparation method thereof |
| CN104357002A (en) * | 2014-10-27 | 2015-02-18 | 上海应用技术学院 | Silicone sealant for daylighting board and preparation method thereof |
| CN110564358A (en) * | 2019-08-28 | 2019-12-13 | 苏州德圣辉新能源科技有限公司 | long service life's solar energy component backplate is with restoreing gluey |
| CN111040723A (en) * | 2019-11-28 | 2020-04-21 | 湖北新四海化工股份有限公司 | High-temperature-resistant mica plate adhesive and preparation method thereof |
| CN113861693A (en) * | 2021-10-24 | 2021-12-31 | 扬州晨化新材料股份有限公司 | Over-electrophoresis high-temperature-resistant sealant for automobiles and preparation method thereof |
| CN115772382A (en) * | 2022-11-28 | 2023-03-10 | 湖北兴瑞硅材料有限公司 | Moisture-heat-aging-resistant silicone sealant for photovoltaic module and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3600352A (en) * | 1968-06-10 | 1971-08-17 | Gen Electric | Silicone construction sealant |
| CN101353563A (en) * | 2008-09-11 | 2009-01-28 | 成都硅宝科技股份有限公司 | Single-component silicone fluid sealant for solar energy cell assembly and manufacturing method thereof |
-
2012
- 2012-03-28 CN CN2012100876238A patent/CN102627940A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3600352A (en) * | 1968-06-10 | 1971-08-17 | Gen Electric | Silicone construction sealant |
| CN101353563A (en) * | 2008-09-11 | 2009-01-28 | 成都硅宝科技股份有限公司 | Single-component silicone fluid sealant for solar energy cell assembly and manufacturing method thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014015557A (en) * | 2012-07-10 | 2014-01-30 | Shin Etsu Chem Co Ltd | Room temperature curable organopolysiloxane composition |
| CN103205234A (en) * | 2013-03-15 | 2013-07-17 | 烟台德邦科技有限公司 | Low-viscosity neutral organic silicone and application thereof |
| CN103602307A (en) * | 2013-12-09 | 2014-02-26 | 江苏天辰硅材料有限公司 | Dealcoholized low-permanent-deformation oil-resistant RTV (room-temperature vulcanized) silicone rubber sealant and preparation method thereof |
| CN103666250A (en) * | 2013-12-13 | 2014-03-26 | 烟台德邦科技有限公司 | Organic silicon coating rubber and preparation method thereof |
| CN104357002A (en) * | 2014-10-27 | 2015-02-18 | 上海应用技术学院 | Silicone sealant for daylighting board and preparation method thereof |
| CN110564358A (en) * | 2019-08-28 | 2019-12-13 | 苏州德圣辉新能源科技有限公司 | long service life's solar energy component backplate is with restoreing gluey |
| CN111040723A (en) * | 2019-11-28 | 2020-04-21 | 湖北新四海化工股份有限公司 | High-temperature-resistant mica plate adhesive and preparation method thereof |
| CN113861693A (en) * | 2021-10-24 | 2021-12-31 | 扬州晨化新材料股份有限公司 | Over-electrophoresis high-temperature-resistant sealant for automobiles and preparation method thereof |
| CN115772382A (en) * | 2022-11-28 | 2023-03-10 | 湖北兴瑞硅材料有限公司 | Moisture-heat-aging-resistant silicone sealant for photovoltaic module and preparation method and application thereof |
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Application publication date: 20120808 |