CN105018019A - Seal repair silicone rubber and its preparation method and use method - Google Patents
Seal repair silicone rubber and its preparation method and use method Download PDFInfo
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- CN105018019A CN105018019A CN201510354848.9A CN201510354848A CN105018019A CN 105018019 A CN105018019 A CN 105018019A CN 201510354848 A CN201510354848 A CN 201510354848A CN 105018019 A CN105018019 A CN 105018019A
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Abstract
The invention discloses seal repair silicone rubber and its preparation method and use method. The seal repair silicone rubber comprises 100 parts by mass of alpha,omega-dihydroxydimethylsiloxane, 6-10Phr of white carbon black, 15-25Phr of light calcium carbonate, 6-8Phr of polyethyl silicate, 0.7-1.0Phr of dibutyltin dilaurate, 0.6-1.0Phr of vinyltriethoxysilane, 0.5-1.5Phr of methanol and 1-3Phr of methylsilicone oil. Alpha,omega-dihydroxydimethylsiloxane, white carbon black, light calcium carbonate and methylsilicone oil are mixed and then are subjected to deaeration treatment and the treated product is used as an ingredient A; polyethyl silicate, dibutyltin dilaurate, vinyltriethoxysilane and methanol are mixed to form an ingredient B; and the ingredients A and B are mixed, then are subjected to injection molding and then are subjected to room temperature sulfuration. A cannula overlap joint method or bonding overlap joint method is used in use. The seal repair silicone rubber has good temperature resistance, weatherability, instant airtightness and good rebound resilience. The seal repair silicone rubber can be used for fast repair of a failure seal part. After assembling, the seal repair silicone rubber has high initial heat-resistant pressure-resistant airtightness.
Description
Technical field
The present invention relates to sealing material field, particularly use the preparation method of sealing material and application thereof about a kind of repairing and seal the concrete using method of repairing.
Background technology
Silicone rubber for sealing is used to the part configuration gap that is filled with a sealing, and to play a class rubber of sealing function, has the effect of leakproof, vibration damping, noise elimination.It is widely used at automobile manufacturing field, especially on the engine, and can also loss of weight, noise elimination, damping, anticorrosion, heat insulation while sealing.
Existing sealing repair technology comprises grinding technics, replaces technique and technique for sticking.Grinding technics destroys the micro-grooves causing leakage by friction and Extrusion, make trim again smooth with the effect reaching sealing.Replace technique and replace damaged sealing member to reach the effect resealed by brand-new same model sealing member.Namely technique for sticking uses liquid sealant to be coated on trim, ressembles sealing member to reach sealing effectiveness after solidification.
But grinding technics workload is large and time-consuming, repair process also may bring damage to sealing member itself.Replace technique specificity strong, model is specific, is therefore difficult to wide spectrum and is suitable for.The trim regularity that technique for sticking is repaired is poor, and coating processes level is difficult to stdn.
Constantly increase along with demand is repaired in sealing, industry is repaired in the sealing that main flow sealing repair technology has been difficult to meet fast pace development.Present stage sealing is repaired and is also required that the sealing repair technology that provides can efficiently convenient, plug and play and can being suitable for by wide spectrum.
Summary of the invention
The object of the invention is to provide a kind of trim to repair silicon rubber, has the characteristic of plug and play.
Another object of the present invention is to provide a kind of preparation method sealing repairing silicon rubber, can obtain and have plug and play, and silicone rubber for sealing with low cost.
Another object of the present invention is to provide this silicon rubber a kind of for sealing the method for repairing, and the method has wide spectrum suitability.
A kind of repairing silicone rubber for sealing of the present invention, its formula main component and each amounts of components: with 100 parts of (in mass) α, alpha, omega-dihydroxy polydimethyl siloxane meter, white carbon black 6-10Phr; Light calcium carbonate 15-25Phr; Ethyl polysilicate 6-8Phr; Dibutyl tin laurate 0.7-1.0Phr; Vinyltriethoxysilane 0.6-1.0Phr; Methyl alcohol 0.5-1.5Phr; Methyl-silicone oil 1-3Phr.
A kind of preparation method repaired with silicone rubber for sealing of the present invention, comprises the following steps:
(1) by the α of 100 parts (in mass), alpha, omega-dihydroxy polydimethyl siloxane, the white carbon black of 6-10Phr, it is stand-by that component A is made in the light calcium carbonate of 15-25Phr and the common mixing rear deaeration process of the methyl-silicone oil of 1-3Phr.
(2) by the ethyl polysilicate of 6-8Phr, the dibutyl tin laurate of 0.7-1.0Phr, waits to be used as B component after the vinyltriethoxysilane of 0.6-1.0Phr and the methanol mixed of 0.5-1.5Phr.
(3) by the mixing rear injection moulding of A, B two component continuation, room temperature vulcanizing.
This silicon rubber of the present invention comprises sleeve pipe splicing processes and bonding method for the method sealing repairing.
Sleeve pipe splicing processes of the present invention, its casing length is 4.5cm, and tangent plane method is truncation method.
This bonding method of the present invention, its tangent plane method is the method for cutting sth. askew, and selected binding agent is Loctite 587.
Sealing method for repairing and mending of the present invention, its operating process is made up of tangent plane process, overlap joint process two procedures.Its middle sleeve splicing processes comprises the selection two procedures of tangent plane process and lap joint sleeve length of tube, and bonding method comprises tangent plane process and two procedures selected by binding agent.
The sealing that the present invention obtains is repaired silicon rubber and is had preferably heatproof, weather-proof and instant stopping property, ensures that it can be applicable to the quick reparation sealed of losing efficacy.The sealing of preparation is repaired silicon rubber and is had good rebound resilience.In addition, after silicone rubber for sealing assembling of the present invention, higher initial stage pressure high-temp resistant stopping property is possessed.
Embodiment
For illustrating the present invention further for the technique means that reaches goal of the invention and take and expection effect thereof, below in conjunction with preferred embodiment, to preparation method and its embodiment of using method, structure, feature and concrete effect of the repairing silicone rubber for sealing proposed according to the present invention, described in being described in detail as follows.
Repairing silicone rubber for sealing provided by the present invention is that appearance uniform is consistent, and the column (concrete body is determined by injection mold shape) of mechanical impurity, it can be used as the silicon rubber repaired inefficacy trim.Wherein, trim can be flats, and can be groove-like or other shapes, the present invention limit Application Areas or the position of repairing silicone rubber for sealing yet.
Embodiment 1.
The each component of silicone rubber for sealing of the present embodiment and consumption: α thereof, alpha, omega-dihydroxy polydimethyl siloxane consumption is 100g, white carbon black consumption is 8g, light calcium carbonate consumption is 20g, ethyl polysilicate consumption is 8g, and dibutyl tin laurate consumption is 0.9g, and vinyltriethoxysilane consumption is 0.8g, methanol usage is 1g, and methyl-silicone oil consumption is 2g.Wherein white carbon black median size is 40nm, and the white carbon black of this particle size range has good reinforcing, thickening property, thixotropy and dispersiveness.Light calcium carbonate uses as filler, and the physical strength that can increase silicon rubber reduces the consumption of white carbon black simultaneously, reduces costs.
The repairing silicone rubber for sealing preparation method of the present embodiment comprises the following steps:
(1) by the α of 100g, alpha, omega-dihydroxy polydimethyl siloxane, the white carbon black of 8g, it is stand-by that component A is made in the light calcium carbonate of 20g and the common mixing rear deaeration process of the methyl-silicone oil of 2g.The particle diameter of white carbon black is 40nm, but its correlation parameter is not as limit.
(2) by the ethyl polysilicate of 8g, the dibutyl tin laurate of 0.9g, waits to be used as B component after the vinyltriethoxysilane of 0.8g and the methanol mixed of 1g.Wherein ethyl polysilicate is ethyl polysilicate (40), but its correlation parameter is not also as limit.
(3) by the mixing rear injection moulding of A, B two component continuation, in self cure.Wherein, injection mold is column.
The repairing silicone rubber for sealing of the present embodiment has instant stopping property preferably, can plug and play, coordinates the using method be applicable to can seal position to inefficacy in time and repair, Quick-return sealing function at short notice.In addition, the repairing silicone rubber for sealing of the present embodiment, after assembling is fastening, have higher initial stage pressure high-temp resistant stopping property, and Application Areas is extensive.
The repairing silicone rubber for sealing the performance test results that table 1 is prepared for the present embodiment.
The performance perameter of sealing repairing silicone rubber for sealing prepared by table 1 embodiment 1
In Table 1, the rheological characteristics of repairing silicone rubber for sealing is obtained by observation, operable time and surface drying time are tested under room temperature environment, hardness test is carried out with reference to ASTM D2240-05, degree of crosslinking is recorded by swelling equilibrium method, and tensile strength TS and exercise elongation E carries out with reference to ASTM D412-06, and compression set rate is carried out with reference to ASTMD395-03, liquid resistance test is carried out with reference to ASTM D471-06, and the test of hot air aging tolerance is carried out with reference to ASTM D573-04.
From above-mentioned test parameter, the repairing silicone rubber for sealing obtained has preferably mechanical property and liquid resistance.
Embodiment 2.
The bridging method of the present embodiment is the concrete using method that embodiment 1 silicone rubber applications is repaired in sealing.Wherein the tangent plane method of repairing silicone rubber for sealing is truncation method, and bridging method is tiretube process.
It should be noted that, sealing repairing silicone rubber for sealing prepared by embodiment 1 possesses the performance perameter of above-mentioned table 1.
The concrete using method that the silicone rubber applications of the present embodiment is repaired in sealing comprises the following steps:
(1) the silicon rubber of preparation in embodiment 1 is wound around processed trim profile one circle, wherein the pre-treatment of trim comprises dispelling of residual inefficacy seal gum, and surface blot cleans.
(2) block unnecessary silicone rubber for sealing with truncation method, silicone rubber sleeve breakpoint being sentenced to 4.5cm overlaps, and ensures overlapping part consolidation and bubble-free.
(3) sealing member is re-assemblied and fastening.
It should be noted that, the overlapping part of embodiment 2 using method possesses performance perameter as shown in table 2.
The every tolerance test result of overlapping part of table 2 embodiment 2
In table 2, to adopting its shearing resistance of overlapping part of tiretube process to be tested by level pressure transverse reciprocating shearing method, radial stress is 3.0MPa, reciprocating stroke 10mm, and shearing number of times is 100 times.Compression recovery performance test is carried out with reference to ASTM D395-03; Sleeve pipe integrity degree 1 grade of finger sleeve is without obvious deformation, and the laminating of overlap joint interface closely; The test of hot air aging tolerance is carried out with reference to ASTM D573-04.
Embodiment 3.The concrete using method that silicone rubber applications is repaired in sealing comprises the following steps:
(1) the silicon rubber of preparing in the first embodiment is wound around processed trim profile one circle, wherein the pre-treatment of trim comprises dispelling of residual inefficacy seal gum, and surface blot cleans.
(2) block unnecessary silicone rubber for sealing with the method for cutting sth. askew, Loctite 587 type binding agent is imposed to breakpoint place and overlaps, ensure that faying surface is complete and neat.
(3) sealing member is re-assemblied and fastening.
It should be noted that, the overlapping part of embodiment 3 using method possesses performance perameter as shown in table 3.
The every tolerance test result of overlapping part of table 3 embodiment 3
In table 3, to adopting the test of the shearing resistance of the overlapping part of mull technique art breading to carry out with reference to ASTMD6163-01 (2014), the test of other tolerances is with table two.Adhesive surface integrity degree 1 grade refers to that adhesive surface is smooth, does not occur flat offset phenomena.Embodiment 3 trim is after repairing, and the water-pressure sealed pressure that sealing member can bear is 0.2Mpa, has higher initial stage pressure-resistant stopping property.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention is disclosed with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solution of the present invention content, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (5)
1. a silicon rubber is repaired in sealing, it is characterized in that its formula main component and each amounts of components: with 100 parts of α, alpha, omega-dihydroxy polydimethyl siloxane quality meter, white carbon black 6-10Phr; Light calcium carbonate 15-25Phr; Ethyl polysilicate 6-8Phr; Dibutyl tin laurate 0.7-1.0Phr; Vinyltriethoxysilane 0.6-1.0Phr; Methyl alcohol 0.5-1.5Phr; Methyl-silicone oil 1-3Phr.
2. the preparation method of silicon rubber is repaired in sealing according to claim 1, it is characterized in that comprising the following steps:
(1) by the α of 100 parts of quality, alpha, omega-dihydroxy polydimethyl siloxane, the white carbon black of 6-10Phr, it is stand-by that component A is made in the light calcium carbonate of 15-25Phr and the common mixing rear deaeration process of the methyl-silicone oil of 1-3Phr;
(2) by the ethyl polysilicate of 6-8Phr, the dibutyl tin laurate of 0.7-1.0Phr, waits to be used as B component after the vinyltriethoxysilane of 0.6-1.0Phr and the methanol mixed of 0.5-1.5Phr;
(3) by the mixing rear injection moulding of A, B two component continuation, room temperature vulcanizing.
3. the using method of silicon rubber is repaired in sealing according to claim 1, it is characterized in that adopting sleeve pipe splicing processes or bonding method.
4. the using method of silicon rubber is repaired in sealing according to claim 3, and it is characterized in that described sleeve pipe splicing processes, its casing length is 4.5cm, and tangent plane method is truncation method.
5. the using method of silicon rubber is repaired in sealing according to claim 3, and it is characterized in that described bonding method, its tangent plane method is the method for cutting sth. askew, and selected binding agent is Loctite 587.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105315674A (en) * | 2015-11-24 | 2016-02-10 | 苏州盖德精细材料有限公司 | High-strength wear-resisting electronic silica gel and preparation method thereof |
| CN106336682A (en) * | 2016-08-16 | 2017-01-18 | 连州市万仕达新材料有限公司 | Preparation method of antistatic nano calcium carbonate modified composite material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080249271A1 (en) * | 2007-03-02 | 2008-10-09 | Lintec Corporation | Adhesive containing ladder-type polysilsesquioxane and adhesive sheet |
| CN102796381A (en) * | 2012-08-16 | 2012-11-28 | 东莞兆舜有机硅新材料科技有限公司 | Condensation type RTV silicone rubber composition with matte surface, its preparation method and application |
| CN103911114A (en) * | 2014-04-11 | 2014-07-09 | 文仁光 | Anti-oil-penetration organosilicone embedding adhesive for LED (Light-Emitting Diode) display screen module |
-
2015
- 2015-06-24 CN CN201510354848.9A patent/CN105018019A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080249271A1 (en) * | 2007-03-02 | 2008-10-09 | Lintec Corporation | Adhesive containing ladder-type polysilsesquioxane and adhesive sheet |
| CN102796381A (en) * | 2012-08-16 | 2012-11-28 | 东莞兆舜有机硅新材料科技有限公司 | Condensation type RTV silicone rubber composition with matte surface, its preparation method and application |
| CN103911114A (en) * | 2014-04-11 | 2014-07-09 | 文仁光 | Anti-oil-penetration organosilicone embedding adhesive for LED (Light-Emitting Diode) display screen module |
Non-Patent Citations (1)
| Title |
|---|
| 邱祖民等: ""白炭黑对缩合型RTV-2 硅橡胶密封垫片性能的影响"", 《南昌大学学报(工科版)》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105315674A (en) * | 2015-11-24 | 2016-02-10 | 苏州盖德精细材料有限公司 | High-strength wear-resisting electronic silica gel and preparation method thereof |
| CN106336682A (en) * | 2016-08-16 | 2017-01-18 | 连州市万仕达新材料有限公司 | Preparation method of antistatic nano calcium carbonate modified composite material |
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Application publication date: 20151104 |