CN103468199B - Epoxy resin-modified silicone rubber composite and applications thereof - Google Patents
Epoxy resin-modified silicone rubber composite and applications thereof Download PDFInfo
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- CN103468199B CN103468199B CN201310438080.4A CN201310438080A CN103468199B CN 103468199 B CN103468199 B CN 103468199B CN 201310438080 A CN201310438080 A CN 201310438080A CN 103468199 B CN103468199 B CN 103468199B
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Abstract
The invention provides an epoxy resin-modified silicone rubber composite and applications thereof. The silicone rubber composite is prepared by mixing the following active ingredients in parts by weight: 80 parts of room-temperature vulcanized silicone rubber, 19-21 parts of EP01441-310 epoxy resin, 0.9-1.1 parts of KH-550 coupling agent, 1.3-1.7 parts of triethylene tetramine, and 2-4 parts of 501 reflux liquid. The epoxy resin-modified silicone rubber composite has the advantages of being cured at room temperature, having elasticity and high strength, and being good in metal bonding property and easy to repair; the epoxy resin-modified silicone rubber composite can be applied to encapsulate devices under the conditions of use temperature being minus 55 DEG C-120 DEG C, humidity being 95% below, anti-vibration power spectral density being 0.04g<2>/Hz, and all performance indexes can achieve the requirements of insulating, airtight and anti-vibration materials. The traditional silicone rubber is modified by adopting epoxy resin to meet the encapsulation and reinforcement requirements of devices such as cable plugs, sockets and the like applied in the industrial fields of aerospace, chemistry and the like, so that the devices can work normally under the severe environment conditions such as high temperature and low temperature, high humidity, mechanical vibration and the like.
Description
Technical field
The present invention relates to a kind of silicon rubber improved composition, belong to the adhesive areas such as insulation, sealing, antivibration, specifically, relate to a kind of rubber composition through epoxy resin modification and uses thereof, this rubber composition can meet the demand of insulation, sealing, antivibration.
Background technology
At the components and parts of the industry field such as aerospace, chemical industry application, need to work under the severe environmental conditions such as high/low temperature, high humidity, mechanical vibration.Such as, the plug of cable, socket, the components and parts such as the resistance capacitance on printed board assembly.Can work normally, reliably under the severe environmental conditions such as high/low temperature, high humidity, mechanical vibration in order to ensure such components and parts, employing has certain elasticity, has the tackiness agent of some strength to carry out embedding reinforcing is again crucial.Usual employing through the rubber composition of epoxy resin modification as the tackiness agent of this class component.These performance index through the rubber composition of epoxy resin modification are as shown in table 1.
Table 1: can as the performance index of the rubber composition through epoxy resin modification of tackiness agent
By known to the inquiry of domestic existing patent, prior art has disclosed the silicon rubber of some epoxy resin modifications.As 200910054081.2,201110369701.9 and 201110394469.4 etc., but the formula of these patents is different with component, and the occasion of use is different, and the performance of the tackiness agent finally made is also different.
Summary of the invention
The object of the invention is to overcome prior art deficiency, provide one both to have certain elasticity, ambient temperature curable, there is again the tackiness agent of some strength and metal sticking performance, be applicable to use under high/low temperature, high humidity and vibration condition, and can realize repairing.
For achieving the above object, the invention provides a kind of rubber composition through epoxy resin modification, this rubber composition is mixed by the raw material of following mass fraction meter: 501 phegmas of the room temperature vulcanized silicone rubber of 80 parts, the EP01441-310 epoxy resin of 19 ~ 21 parts, the KH-550 coupling agent of 0.9 ~ 1.1 mass parts, the triethylene tetramine of 1.3 ~ 1.7 mass parts and 2 ~ 4 mass parts.
Wherein, the effect of described silicon rubber in this formula is the fragility improving epoxy glue, increases snappiness.The silicon rubber that other no-arbitrary pricing are transparent also can be used for this formula, and as large in south 705 etc.
Described KH-550 coupling agent is mainly used in, between epoxy resin and silicon rubber, coupling occurs, and changes the interface performance between polymkeric substance, and improve interfacial adhesion, the coupling agent of other models then can not use.
The effect of described triethylene tetramine is cured epoxy resin.
501 described phegmas are made up through high temperature reflux of the dibutyl tin laurate of the tetraethoxy of 10 mass parts and 1 mass parts, mainly plays the object of cure silicone rubber.The non-phegma by present method configuration can not be used for formula of the present invention.
Present invention also offers a kind of purposes of the above-mentioned rubber composition through epoxy resin modification, be used as the tackiness agent of demand that can meet insulation, sealing, antivibration.
The purposes of the above-mentioned rubber composition through epoxy resin modification, wherein, described rubber composition is used for embedding and reinforces.
The present invention compared with prior art beneficial effect is:
(1) epoxy resin modification rubber composition of the present invention can be applied to that use temperature is-55 DEG C ~ 120 DEG C, humidity less than 95%, oscillation power spectral density are 0.04g
2device under/Hz condition, the embedding of device, property indices all can reach the requirement of insulation, sealing, vibration proofing material.
(2) epoxy resin modification rubber composition of the present invention has self-vulcanizing, flexible, intensity is high, with the feature of good, the easy repairing of metal sticking performance.
Embodiment
Below in conjunction with embodiment, technical scheme of the present invention is further described.
501 phegmas described in following examples are made up through high temperature reflux of the dibutyl tin laurate of the tetraethoxy of 10 mass parts and 1 mass parts.
Embodiment 1
By following raw material according to the mass fraction: 501 phegmas of the room temperature vulcanized silicone rubber of 80 parts, the EP01441-310 epoxy resin of 21 parts, the KH-550 coupling agent of 0.9 part, the triethylene tetramine of 1.3 parts and 2 parts; By being uniformly mixed, the obtained silica-gel composition through epoxy resin modification.
The performance index of the silica-gel composition through epoxy resin modification of embodiment 1 are as shown in table 2.
Table 2: the performance test data of the silica-gel composition through epoxy resin modification of embodiment 1
Contrast table 1 and table 2 known, the properties of embodiment 1 all meets index request.
Embodiment 2
By following raw material according to the mass fraction: 501 phegmas of the room temperature vulcanized silicone rubber of 80 parts, the EP01441-310 epoxy resin of 20 parts, the KH-550 coupling agent of 1 part, the triethylene tetramine of 1.5 parts and 3 parts; By being uniformly mixed, the obtained silica-gel composition through epoxy resin modification.
The performance index of the silica-gel composition through epoxy resin modification of embodiment 2 are as shown in table 3.
Table 3: the performance test data of the silica-gel composition through epoxy resin modification of embodiment 2
Contrast table 1 and table 3, the properties of embodiment 2 all meets index request.
Embodiment 3
By following raw material according to the mass fraction: 501 phegmas of the room temperature vulcanized silicone rubber of 80 mass parts, the EP01441-310 epoxy resin of 19 mass parts, the KH-550 coupling agent of 1.1 mass parts, the triethylene tetramine of 1.7 mass parts and 4 mass parts; By being uniformly mixed, the obtained silica-gel composition through epoxy resin modification.
The performance index of the silica-gel composition through epoxy resin modification of embodiment 3 are as shown in table 4.
Table 4: the performance test data of the silica-gel composition through epoxy resin modification of embodiment 3
Contrast table 1 and table 4, the properties of embodiment 3 all meets index request.
Embodiment 4
By following raw material according to the mass fraction: 501 phegmas of the room temperature vulcanized silicone rubber of 80 parts, the EP01441-310 epoxy resin of 19 parts, the KH-550 coupling agent of 0.9 part, the triethylene tetramine of 1.6 parts and 2 parts; By being uniformly mixed, the obtained silica-gel composition through epoxy resin modification.
The performance index of the silica-gel composition through epoxy resin modification of embodiment 4 are as shown in table 5.
Table 5: the performance test data of the silica-gel composition through epoxy resin modification of embodiment 4
Contrast table 1 and table 5, the properties of embodiment 4 all meets index request.
Embodiment 5
By following raw material according to the mass fraction: 501 phegmas of the room temperature vulcanized silicone rubber of 80 mass parts, the EP01441-310 epoxy resin of 21 mass parts, the KH-550 coupling agent of 1.1 mass parts, the triethylene tetramine of 1.5 mass parts and 3 mass parts; By being uniformly mixed, the obtained silica-gel composition through epoxy resin modification.
The performance index of the silica-gel composition through epoxy resin modification of embodiment 5 are as shown in table 6.
Table 6: the performance test data of the silica-gel composition through epoxy resin modification of embodiment 5
Contrast table 1 and table 6, the properties of embodiment 5 all meets index request.
Embodiment 6
By following raw material according to the mass fraction: 501 phegmas of the room temperature vulcanized silicone rubber of 80 mass parts, the EP01441-310 epoxy resin of 21 mass parts, the KH-550 coupling agent of 0.9 mass parts, the triethylene tetramine of 1.7 mass parts and 4 mass parts; By being uniformly mixed, the obtained silica-gel composition through epoxy resin modification.
The performance index of the silica-gel composition through epoxy resin modification of embodiment 6 are as shown in table 7.
Table 7: the performance test data of the silica-gel composition through epoxy resin modification of embodiment 6
Contrast table 1 and table 7, the property indices of embodiment 6 all meets the requirements.
In sum, the epoxy resin modification rubber composition that embodiments of the invention 1-7 obtains, epoxy resin and silicon rubber are combined by rational formula, there is self-vulcanizing, flexible, intensity is high, with the feature of good, the easy repairing of metal sticking performance.After tested, the epoxy resin modification rubber composition that method of the present invention obtains can be applied to that use temperature is-55 DEG C ~ 120 DEG C, humidity less than 95%, oscillation power spectral density are 0.04g
2device under/Hz condition, the embedding of device, property indices all can reach the requirement of insulation, sealing, vibration proofing material.
The present invention adopts epoxy resin to carry out modification to traditional silicon rubber, meet the embedding reinforcement criteria of some components and parts such as cable plug, socket applied in the industry field such as aerospace, chemical industry, normally can work under the severe environmental conditions such as high/low temperature, high humidity, mechanical vibration.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (3)
1. the rubber composition through epoxy resin modification, it is characterized in that, this rubber composition is mixed by the raw material of following mass fraction meter: 501 phegmas of the room temperature vulcanized silicone rubber of 80 parts, the EP01441-310 epoxy resin of 19 ~ 21 parts, the KH-550 coupling agent of 0.9 ~ 1.1 part, the triethylene tetramine of 1.3 ~ 1.7 parts and 2 ~ 4 parts; 501 described phegmas are made up through high temperature reflux of the dibutyl tin laurate of the tetraethoxy of 10 mass parts and 1 mass parts.
2. a purposes for the rubber composition through epoxy resin modification according to claim 1, is characterized in that, is used as the tackiness agent of demand that can meet insulation, sealing, antivibration.
3. as claimed in claim 2 through the purposes of the rubber composition of epoxy resin modification, it is characterized in that, described rubber composition is used for embedding and reinforces.
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| CN201310438080.4A CN103468199B (en) | 2013-09-24 | 2013-09-24 | Epoxy resin-modified silicone rubber composite and applications thereof |
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| CN104031389B (en) * | 2014-06-05 | 2018-10-19 | 浙江新安化工集团股份有限公司 | Moisture-proof heat type room temperature silicon sulfide rubber composition |
| CN104388037A (en) * | 2014-10-31 | 2015-03-04 | 青岛昌安达药业有限公司 | High-temperature-resistant silicone rubber adhesive |
| CN106065281B (en) * | 2016-07-11 | 2017-12-08 | 中材江西电瓷电气有限公司 | Porcelain core used in composite insulator room temperature vulcanized silicone rubber and preparation method thereof |
| CN106905703A (en) * | 2017-03-27 | 2017-06-30 | 北京化工大学 | A kind of preparation method of epoxy modified silicone resin exotic material |
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| CN102424742B (en) * | 2011-11-21 | 2013-09-18 | 绵阳惠利电子材料有限公司 | Hot-wet resistant and aging resistant dual-component condensation type room temperature curing silicone rubber |
| CN103102687B (en) * | 2012-07-17 | 2015-04-08 | 广州市白云化工实业有限公司 | One-component room curing sealing material and preparation method thereof |
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