CN104194711A - Heat-resistant organic silicone adhesive and preparation method thereof - Google Patents
Heat-resistant organic silicone adhesive and preparation method thereof Download PDFInfo
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- CN104194711A CN104194711A CN201410403864.8A CN201410403864A CN104194711A CN 104194711 A CN104194711 A CN 104194711A CN 201410403864 A CN201410403864 A CN 201410403864A CN 104194711 A CN104194711 A CN 104194711A
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Abstract
The invention discloses a heat-resistant organic silicone adhesive, comprising the following raw materials in parts by weight: 40-50 parts of organic silicon resin, 5-10 parts of hydroxyl polysiloxane, 0.5-2 parts of alumina powder, 1-2 parts of a catalyst, 5-10 parts of a coupling agent, 1-3 parts of a foaming agent, and 0.1-0.5 part of a curing agent. Compared with the prior art, the heat-resistant organic silicone adhesive has the advantages that the service life of a filter bag is prolonged, the overall permeability of the filter bag is uniform, and the filtering efficiency of the filter bag is improved; the drying time at room temperature is short, so that the organic silicone adhesive is prevented from being bonded to the bag body when being packaged by the filter bag, and the packaging time of the filter bag is reduced; and the heat-resistant organic silicon adhesive has the excellent properties such as high-temperature resistance, good corrosion resistance, good wear-resisting property, small friction coefficient, good insulativity and good waterproofness.
Description
Technical field
The present invention relates to a kind of organic silicon adhesive, in particular a kind of high temperature resistant silicone adhesives and preparation method thereof.
Background technology
Conventional organic silicon adhesive has 2 kinds: silicone rubber adhesive and silicone resin adhesive.The feature of organic silicon adhesive is high-low temperature resistant, corrosion-resistant, radiation hardness, has good electrical insulating property, water-repellancy and weathering resistance simultaneously.Can bonding metal, plastics, rubber, glass, pottery etc., be widely used in the fields such as aircraft industry, space travel, electronic industry, mechanical workout, automobile making, building and medical treatment.
Sack cleaner is the high-effective dust-removing equipment of control atmosphere pollution.The great advantage of sack cleaner is exactly that efficiency of dust collection is high, and dust emission concentration can reach below 20mg/Nm3, even reaches 5mg/Nm3, and its filtration mechanism makes dust be attached on filter bag exactly, with dust, carrys out Chalk-dust filtering.The core of sack cleaner is filter bag, and its major requirement to filter bag material is good permeability and even, and resistance is low, and efficiency of dust collection is high; Breaking tenacity is high, long service life, heatproof is high, resistance to acids and bases or grease proofing, water resistance is good etc.What high temperature resistant filter bag body sewing process adopted is high speed sewing machine and PTFE sewing thread, in sewing process, when the hole of filter bag body by suture needle, place, online hole can leave gap, cause filter bag suture place excessive with respect to the gap at other positions of filter bag, cause the inhomogeneous of filter bag overall air permeability, flue gas stream is skewness when filtering, easily there is local broken bag phenomenon, the work-ing life of reducing filter bag.
Therefore, can be coated with at high temperature filter bag suture place one deck organic silica gel protective membrane, reduce the too high phenomenon of pin hole place air penetrability; but existing silica gel mobility is poor, is prone to coating non-uniform phenomenon, and room temperature is long lower set time; extended the filter bag packing time, and bonding phenomenon has easily occurred.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of high temperature resistant silicone adhesives and preparation method thereof is provided.
The present invention is achieved by the following technical solutions:
A high temperature resistant silicone adhesives, described organic silicon adhesive by following weight part proportioning raw material form:
Silicone resin: 40-50 part,
Hydroxyl polysiloxane: 5-10 part,
Aluminum oxide powder: 0.5-2 part,
Catalyzer: 1-2 part,
Coupling agent: 5-10 part,
Whipping agent: 1-3 part,
Solidifying agent: 0.1-0.5 part.
As the preferred implementation of above-mentioned a kind of high temperature resistant silicone adhesives, described catalyzer is silver catalyst, and described coupling agent is silane coupling agent, and described whipping agent is sulfonyl hydrazines compound whipping agent, and described solidifying agent is trimethylhexamethylenediamine.
The preparation method who the invention also discloses above-mentioned a kind of high temperature resistant silicone adhesives, comprises the steps,
(1) configure by weight ratio various raw materials;
(2) the various raw materials that configure are added in stirred reactor one by one, be evacuated to 0.2MPa, under the condition that is 60rpm at rotating speed, stir 2h, can make organic silicon adhesive.
The present invention has the following advantages compared to existing technology:
1, organic silicon adhesive provided by the invention is coated in filter bag suture place, has reduced the air penetrability at filter bag suture place, makes filter bag overall air permeability even, avoids filter bag that local broken bag phenomenon occurs, and has improved life of bag filter;
2, organic silicon adhesive provided by the invention is owing to having passed through foaming, become the microporous type organic silicon adhesive with microvoid structure, make it have certain venting quality and adsorptivity, good fluidity, suture place by this organic silicon adhesive coating with filter bag, makes filter bag overall air permeability even, and filter bag does not in use leak ash, and be conducive to dust and be attached on filter bag, thereby the filtration efficiency of raising filter bag;
3, organic silicon adhesive provided by the invention at ambient temperature time of drying short, avoided filter bag that the phenomenon of organic silicon adhesive bonding bag body occurs when packing, reduced packing time of filter bag;
4, organic silicon adhesive provided by the invention, have high temperature resistant, corrosion-resistant, wear resisting property is good, frictional coefficient is little, the excellent properties such as good insulating, good waterproof performance.
Embodiment
Below embodiments of the invention are elaborated, the present embodiment is implemented take technical solution of the present invention under prerequisite, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment mono-
The present embodiment provides a kind of high temperature resistant silicone adhesives, by following weight part proportioning raw material form:
Silicone resin: 40 parts,
Hydroxyl polysiloxane: 5 parts,
Aluminum oxide powder: 0.5 part,
Catalyzer: 1 part,
Coupling agent: 5 parts,
Whipping agent: 1 part,
Solidifying agent: 0.1 part.
Wherein, described catalyzer is silver catalyst, and described coupling agent is silane coupling agent, and described whipping agent is sulfonyl hydrazines compound whipping agent, and described solidifying agent is trimethylhexamethylenediamine.
The present embodiment also discloses the preparation method of above-mentioned a kind of high temperature resistant silicone adhesives, comprises the steps,
(1) configure by weight ratio various raw materials;
(2) the various raw materials that configure are added in stirred reactor one by one, be evacuated to 0.2MPa, under the condition that is 60rpm at rotating speed, stir 2h, can make organic silicon adhesive.
Embodiment bis-
The present embodiment provides a kind of high temperature resistant silicone adhesives, by following weight part proportioning raw material form:
Silicone resin: 50 parts,
Hydroxyl polysiloxane: 10 parts,
Aluminum oxide powder: 2 parts,
Catalyzer: 2 parts,
Coupling agent: 10 parts,
Whipping agent: 3 parts,
Solidifying agent: 0.5 part.
Wherein, described catalyzer is silver catalyst, and described coupling agent is silane coupling agent, and described whipping agent is sulfonyl hydrazines compound whipping agent, and described solidifying agent is trimethylhexamethylenediamine.
Its preparation method is with embodiment mono-.
Embodiment tri-
The present embodiment provides a kind of high temperature resistant silicone adhesives, by following weight part proportioning raw material form:
Silicone resin: 45 parts,
Hydroxyl polysiloxane: 8 parts,
Aluminum oxide powder: 1.3 parts,
Catalyzer: 1.5 parts,
Coupling agent: 8 parts,
Whipping agent: 2 parts,
Solidifying agent: 0.3 part.
Wherein, described catalyzer is silver catalyst, and described coupling agent is silane coupling agent, and described whipping agent is sulfonyl hydrazines compound whipping agent, and described solidifying agent is trimethylhexamethylenediamine.
Its preparation method is with embodiment mono-.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. a high temperature resistant silicone adhesives, is characterized in that, described organic silicon adhesive by following weight part proportioning raw material form:
Silicone resin: 40-50 part,
Hydroxyl polysiloxane: 5-10 part,
Aluminum oxide powder: 0.5-2 part,
Catalyzer: 1-2 part,
Coupling agent: 5-10 part,
Whipping agent: 1-3 part,
Solidifying agent: 0.1-0.5 part.
2. a kind of high temperature resistant silicone adhesives as claimed in claim 1, it is characterized in that, described catalyzer is silver catalyst, and described coupling agent is silane coupling agent, described whipping agent is sulfonyl hydrazines compound whipping agent, and described solidifying agent is trimethylhexamethylenediamine.
3. the preparation method of a kind of high temperature resistant silicone adhesives as claimed in claim 1 or 2, is characterized in that, comprise the steps,
(1) configure by weight ratio various raw materials;
(2) the various raw materials that configure are added in stirred reactor one by one, be evacuated to 0.2MPa, under the condition that is 60rpm at rotating speed, stir 2h, can make organic silicon adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410403864.8A CN104194711A (en) | 2014-08-15 | 2014-08-15 | Heat-resistant organic silicone adhesive and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410403864.8A CN104194711A (en) | 2014-08-15 | 2014-08-15 | Heat-resistant organic silicone adhesive and preparation method thereof |
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| CN104194711A true CN104194711A (en) | 2014-12-10 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104893653A (en) * | 2015-06-30 | 2015-09-09 | 苏州龙腾万里化工科技有限公司 | Organosilicon adhesive with wear-resisting, heat-conducting and high-temperature-resisting functions |
| CN109516727A (en) * | 2018-11-22 | 2019-03-26 | 盐城欣昌新型建材有限公司 | A kind of corrosion-resistant cement pipe pile of photovoltaic and preparation method thereof |
| CN110922934A (en) * | 2019-10-31 | 2020-03-27 | 南通市开泰高分子材料有限公司 | Sealant for hollow glass |
| CN112280523A (en) * | 2020-09-21 | 2021-01-29 | 湖北平安电工材料有限公司 | Process for prolonging gelling time of hard mica plate adhesive and adhesive |
Citations (3)
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|---|---|---|---|---|
| EP0915128A1 (en) * | 1997-11-10 | 1999-05-12 | HILTI Aktiengesellschaft | Silicone foams |
| CN102408718A (en) * | 2010-09-26 | 2012-04-11 | 比亚迪股份有限公司 | Silicon foaming adhesive composition and its preparation method, silicon foaming adhesive and ultrasonic sensor |
| CN102757758A (en) * | 2012-07-09 | 2012-10-31 | 苏州斯迪克新材料科技股份有限公司 | Preparation method of micropore organic silicone adhesive |
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2014
- 2014-08-15 CN CN201410403864.8A patent/CN104194711A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0915128A1 (en) * | 1997-11-10 | 1999-05-12 | HILTI Aktiengesellschaft | Silicone foams |
| CN102408718A (en) * | 2010-09-26 | 2012-04-11 | 比亚迪股份有限公司 | Silicon foaming adhesive composition and its preparation method, silicon foaming adhesive and ultrasonic sensor |
| CN102757758A (en) * | 2012-07-09 | 2012-10-31 | 苏州斯迪克新材料科技股份有限公司 | Preparation method of micropore organic silicone adhesive |
Non-Patent Citations (1)
| Title |
|---|
| 李颖: "有机硅泡沫材料的制备研究", 《中国优秀硕士学位论文全文数据库（硕士）工程科技》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104893653A (en) * | 2015-06-30 | 2015-09-09 | 苏州龙腾万里化工科技有限公司 | Organosilicon adhesive with wear-resisting, heat-conducting and high-temperature-resisting functions |
| CN109516727A (en) * | 2018-11-22 | 2019-03-26 | 盐城欣昌新型建材有限公司 | A kind of corrosion-resistant cement pipe pile of photovoltaic and preparation method thereof |
| CN110922934A (en) * | 2019-10-31 | 2020-03-27 | 南通市开泰高分子材料有限公司 | Sealant for hollow glass |
| CN112280523A (en) * | 2020-09-21 | 2021-01-29 | 湖北平安电工材料有限公司 | Process for prolonging gelling time of hard mica plate adhesive and adhesive |
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Address after: 230001, three Yuan Industrial Park, Hefei New District, Anhui Applicant after: ANHUI YUANCHEN ENVIRONMENT PROTECTION TECHNOLOGY CO., LTD. Address before: 230001, three Yuan Industrial Park, Hefei New District, Anhui Applicant before: Anhui YuanChen Environmental Protention Science and Technology Co., Ltd. |
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Application publication date: 20141210 |
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