CN103421465A - Silicon rubber used for organic silicon self-adhesive tape and synthesis process of silicon rubber - Google Patents
Silicon rubber used for organic silicon self-adhesive tape and synthesis process of silicon rubber Download PDFInfo
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- CN103421465A CN103421465A CN2013103585794A CN201310358579A CN103421465A CN 103421465 A CN103421465 A CN 103421465A CN 2013103585794 A CN2013103585794 A CN 2013103585794A CN 201310358579 A CN201310358579 A CN 201310358579A CN 103421465 A CN103421465 A CN 103421465A
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Abstract
The invention relates to silicon rubber used for an organic silicon self-adhesive tape and a synthesis process of the silicon rubber. The silicon rubber is prepared mainly by the following raw materials, by weight, 8-33% of methyl vinyl MQ silicon resin (M/Q=0.6-1.2), 14-40% of methyl vinyl silicon rubber, 11-34% of hydroxy silicon rubber and 20-55% of white carbon black. The synthesis process includes adding the raw materials in a kneading machine according to prescribed amount, uniformly stirring at normal temperature, and obtaining the silicon rubber used for the organic silicon self-adhesive tape. By reasonable raw material and proportion selection, the silicon rubber used for the organic silicon self-adhesive tape is synthetised. The obtained silicon rubber product has high resistance to high and low temperature (suitable for temperature environments of -45-200 DEG C), weather resistance, insulativity and excellent moisture-proof and waterproof performance through synergy of the raw materials, and comprehensive performance of the silicon rubber is better than that of existing silicon rubber of organic silicon self-adhesive tapes.
Description
Technical field
The present invention relates to the organic silicone rubber self-adhesive tape technical field, relate in particular to a kind of silicon rubber for the organosilicon self-adhesive tape and synthesis technique thereof.
Background technology
Self-adhesive tape is a kind of wrapper material, is made generally in the band of multiple sealing coat.During use, tear sealing coat off, under appropriateness stretches, lapping is wrapped on protected object; after parking, certain condition can be fused into one from tightening; play electrical isolation, the functions such as heat insulation and waterproof sealing, be widely used in the industrial fields such as telecommunication, electronics, electromechanics, building.Organosilicon material is because its molecular backbone chain structure is the Si-O key, and bond energy is high than the C-C key, and the molecular backbone chain structure is saturated, belongs to half inorganic materials.Therefore there is excellent high-low temperature resistant, electrical isolation, the performance such as ageing-resistant, make self-adhesive tape and there is better sealing property.The maximum characteristics of organosilicon self-adhesive tape are exactly autohension, and silicon rubber, after sulfuration is transformed into elastomerics, is intertwined them, through placing and just can mutually fuse and be integrated after a while.
It is outer wrapped with intermediate connector that organic silicone rubber self-adhesive tape is mainly used in HV Electric Machine Coil, spindle wrapping and various hv cable termination.Its mainly by monomer silicon rubber and tackiness agent by extruding, sulfuration process makes, the drawn attenuation that is stretched after being wound around when wrapping is used.
CN101921550A discloses a kind of silicon rubber self-adhesive tape, belongs to Chemicals manufacturing technology field, adopts methyl vinyl silicone rubber, gas phase White Carbon black, tackifier, vinyl silicone oil and iron oxide red to make, and production technique is that above-mentioned raw materials is mixed, and is placed in
60Radiation vulanization in Co gamma-ray irradiation field.
CN101544872A relates to a kind of glass-fiber reinforced organic silicone rubber self-adhesive tape, and it is to take glass fiber tape as skeleton, the organo-silicone rubber that has autohension at the outside surface of glass fiber tape extruding one deck.This invention also relates to production method and the extrusion device of this glass-fiber reinforced organic silicone rubber self-adhesive tape.
Have silicon rubber for the organosilicon self-adhesive tape now at Shortcomings aspect weather resisteant, insulativity, resistant of high or low temperature, moistureproof and waterproof, be badly in need of a kind of silastic material of excellent combination property.
Summary of the invention
The object of the invention is to the deficiency for existing issue, proposed a kind of silicon rubber for the organosilicon self-adhesive tape and synthesis technique thereof.
For reaching this purpose, the present invention by the following technical solutions:
A kind of silicon rubber for the organosilicon self-adhesive tape, described silicon rubber is mainly made by following raw material by the quality percentage composition:
Methyl vinyl MQ silicone resin of the present invention has excellent thermotolerance, resistance to low temperature, can under-60～300 ℃ of temperature environments, use.The snappiness that simultaneously there is good film-forming properties, appropriateness, and ageing-resistant, uvioresistant irradiation, water repellency and adhesion property preferably.
Methyl vinyl silicone rubber of the present invention can high-low temperature resistant, can be-50～250 ℃ of lower long term operation, and protection against the tide, electrical insulating property, anti-electric arc, corona is good; Ageing-resistant, ozone resistance, surface be viscosity and hydrophobic nature excellence not.
Hydroxyl silicon rubber of the present invention has excellent electrical insulating property and resistant of high or low temperature.
After white carbon black of the present invention adds silicon rubber, can improve thermotolerance and the insulating property of silicon rubber.
The quality percentage composition of methyl vinyl MQ silicone resin of the present invention can select 8.02～32.8%, 8.42～30%, and 9～27.6%, 9.6～25.3%, 10.4～22.5%, 13.4～21%, 15.3～19.7%, 16.5% etc., all can be used for implementing the present invention.
The quality percentage composition of methyl vinyl silicone rubber of the present invention can select 14.01～38.9%, 16.3～35.6%, and 18～33.2%, 19.6～31.4%, 22.3～30%, 27% etc., all can be used for implementing the present invention.
The quality percentage composition of hydroxyl silicon rubber of the present invention can select 11.02～33.8%, 13～31.8%, and 14.6～29.6%, 16.3～25.7%, 18～22.7%, 19.5% etc., all can be used for implementing the present invention.
The quality percentage composition of white carbon black of the present invention can select 20.01～54.8%, 24～52.6%, and 28.7～50.1%, 30～48.6%, 33.4～45.3%, 36～42.5%, 38.7～40.1%, 39% etc., all can be used for implementing the present invention.
As the preferred technical scheme of the present invention, described silicon rubber is mainly made by following raw material by the quality percentage composition:
The M/Q=0.6 of methyl vinyl MQ silicone resin of the present invention～1.2.
Also comprise structure regulator in silicone rubber material of the present invention.
The quality percentage composition of described structure regulator in silicone rubber material is 2.2～6%, for example can select 2.21～5.96%, 2.4～5.68%, 2.86～5.32%, 3～5.07%, 3.42～4.86%, 4.23% etc., further preferably 3～5%, most preferably 3.5%.
Described structure regulator is selected from hydroxy silicon oil, dimethyldiethoxysilane;
Also comprise inhibitor in silicone rubber material of the present invention.
The quality percentage composition of described inhibitor in silicone rubber material is 0.35～1.2%, for example can select 0.36～1.18%, 0.38～1.15%, 0.41～1.08%, 0.6～1%, 0.72～0.96%, 0.78～0.9%, 0.86% etc., further preferably 0.5～1.0%, most preferably 0.8%.
Described inhibitor is selected from 1-ethynylcyclohexanol, 2-butyne alcohol
Also comprise linking agent in silicone rubber material of the present invention.
The quality percentage composition of described linking agent in silicone rubber material is 0.3～2.2%, for example can select 0.31～2.17%, 0.4～2.11%, 0.47～2.02%, 0.8～1.86%, 0.95～1.62%, 1.03～1.5%, 1.33% etc., further preferably 0.5～2%, most preferably 1.3%.
Described linking agent is selected from (1) R-Si-R ', R=Me, Et, Ar, R '=OMe, OEt, Aco; (2) Si(OR ' '
4), R ' '=Me, Et; (3) silane coupling agent or (4) containing hydrogen silicone oil oligopolymer.
Also comprise catalyzer in silicone rubber material of the present invention.
The quality percentage composition of described catalyzer in silicone rubber material is 0.3～1.2%, for example can select 0.31～1.19%, 0.4～1.07%, 0.53～1%, 0.7～0.92%, 0.83% etc., further preferably 0.6～1%, most preferably 0.9%.
Described catalyzer is selected from Platinic chloride or dibutyl tin laurate.
As the preferred technical solution of the present invention, described silicon rubber is mainly made by following raw material by the quality percentage composition:
As the most preferred technical scheme of the present invention, described silicon rubber is mainly made by following raw material by the quality percentage composition:
" comprising " of the present invention, mean it except described component, can also comprise other components, these other components give described silicon rubber different characteristics.In addition, " comprising " of the present invention, can also replace with enclosed " being " or " by ... form ".
The present invention also provides a kind of synthesis technique of silicon rubber as mentioned above, by formula ratio, described various raw materials is joined in kneader, and stirring at normal temperature, to evenly, obtains the silicon rubber for the organosilicon self-adhesive tape.
With the prior art scheme, compare, the present invention has following beneficial effect:
The present invention selects by rational raw material and proportioning, synthetic a kind of silicon rubber for the organosilicon self-adhesive tape.Between described each raw material, by synergy, make the silicone rubber products obtained there is high and low temperature resistance (being applicable to-45～200 ℃ of temperature environments) preferably, weathering resistance, insulativity and excellent moistureproof and waterproof performance, its over-all properties is better than the silicon rubber of existing organosilicon self-adhesive tape.
Below the present invention is described in more detail.But following example is only simple and easy example of the present invention, does not represent or limit the scope of the present invention, and protection scope of the present invention is as the criterion with claims.
Embodiment
For the present invention is described better, be convenient to understand technical scheme of the present invention, typical but non-limiting embodiment of the present invention is as follows:
Embodiment 1
A kind of silicon rubber for the organosilicon self-adhesive tape, described silicon rubber is mainly made by following raw material by the quality percentage composition:
By formula ratio, described various raw materials are joined in kneader, stirring at normal temperature, to evenly, obtains the silicon rubber for the organosilicon self-adhesive tape.
Embodiment 2
A kind of silicon rubber for the organosilicon self-adhesive tape, described silicon rubber is mainly made by following raw material by the quality percentage composition:
Its synthesis technique is with embodiment 1.
Embodiment 3
A kind of silicon rubber for the organosilicon self-adhesive tape, described silicon rubber is mainly made by following raw material by the quality percentage composition:
Its synthesis technique is with embodiment 1.
Embodiment 4
A kind of silicon rubber for the organosilicon self-adhesive tape, described silicon rubber is mainly made by following raw material by the quality percentage composition:
Its synthesis technique is with embodiment 1.
Embodiment 5
A kind of silicon rubber for the organosilicon self-adhesive tape, described silicon rubber is mainly made by following raw material by the quality percentage composition:
Its synthesis technique is with embodiment 1.
Embodiment 6
A kind of silicon rubber for the organosilicon self-adhesive tape, described silicon rubber is mainly made by following raw material by the quality percentage composition:
Its synthesis technique is with embodiment 1.
Embodiment 7
A kind of silicon rubber for the organosilicon self-adhesive tape, described silicon rubber is mainly made by following raw material by the quality percentage composition:
Its synthesis technique is with embodiment 1.
Applicant's statement, the person of ordinary skill in the field is on the basis of above-described embodiment, concrete content point value by above-described embodiment component, combined with the technical scheme of summary of the invention part, thereby the new numerical range produced, be also one of record scope of the present invention, the application, for making specification sheets simple and clear, is no longer enumerated these numerical ranges.
Applicant's statement, the present invention illustrates processing step of the present invention by above-described embodiment, but the present invention is not limited to processing step, does not mean that the present invention must rely on above-mentioned technique and suddenly could implement.The person of ordinary skill in the field should understand, any improvement in the present invention, to the interpolation of the equivalence replacement of the selected raw material of the present invention and ancillary component, the selection of concrete mode etc., within all dropping on protection scope of the present invention and open scope.
The described silicon rubber for the organosilicon self-adhesive tape of the embodiment of the present invention 1～7 is carried out to the properties test result as follows:
1. electrical insulation properties
(1) volume specific resistance:>=10
13Ω/cm. (ASTM D257);
(2) insulation voltage >=27KV/mm.
2. heatproof and ageing-resistant performance
(1) temperature resistant range-50 ℃～+ 260 ℃; 350 ℃ of high-temperature resistants;
(2) thermostability is 180 ℃, life-time service at this temperature, and product can be used safely and reach more than 10 years, the ageing-resistant performance excellence;
(3) under 260 ℃ of environment, at this temperature, Long Service Life reaches 2000 hours.
3. moisture resistant seal
(1) after being wound around with adhesive tape, with 1/2 overlap mode, be wound around, normal temperature is realized within lower 24 hours self merging, after being wound around, each layer forever is fused into one deck, and this process is irreversible, and laminating tightly is wound place, because docile property is good, even also can tightly fit at irregular curved position, can alice, realize sealing function;
(2) self cohesive strength is large, can reach 50g/mm;
(3) under water-absorbent 0.9%(21 ℃ in water 46 hours).
4. chemical property
(1) there is anti-oxidant, anti-ozonization;
(2) have the uvioresistant effect, anti-weather is good;
(3) main raw is silicon rubber, has good oil resistant and other solvent borne, possesses corrosion-resistant effect.
5. mechanical property
(1) there is excellent damping, heat-blocking action;
(2) there is good mechanical shock resistance;
(3) extensibility reaches 400～500%.
Claims (9)
1. the silicon rubber for the organosilicon self-adhesive tape, is characterized in that, described silicon rubber is mainly made by following raw material by the quality percentage composition:
2. silicon rubber as claimed in claim 1, is characterized in that, described silicon rubber is mainly made by following raw material by the quality percentage composition:
3. silicon rubber as claimed in claim 1 or 2, is characterized in that, the M/Q=0.6 of described methyl vinyl MQ silicone resin～1.2;
Preferably, also comprise structure regulator in described silicone rubber material;
Preferably, the quality percentage composition of described structure regulator in silicone rubber material is 2.2～6%, further preferably 3～5%, most preferably 3.5%;
Preferably, described structure regulator is selected from hydroxy silicon oil or dimethyldiethoxysilane.
4. silicon rubber as described as one of claim 1-3, is characterized in that, also comprises inhibitor in described silicone rubber material;
Preferably, the quality percentage composition of described inhibitor in silicone rubber material is 0.35～1.2%, further preferably 0.5～1%, most preferably 0.8%;
Preferably, described inhibitor is selected from 1-ethynylcyclohexanol or 2-butyne alcohol.
5. silicon rubber as described as one of claim 1-4, is characterized in that, also comprises linking agent in described silicone rubber material;
Preferably, the quality percentage composition of described linking agent in silicone rubber material is 0.3～2.2%, further preferably 0.5～2%, most preferably 1.3%;
Preferably, described linking agent is selected from (1) R-Si-R ', R=Me, Et, Ar, R '=OMe, OEt, Aco; (2) Si(OR ' '
4), R ' '=Me, Et; (3) silane coupling agent or (4) containing hydrogen silicone oil oligopolymer.
6. silicon rubber as described as one of claim 1-5, is characterized in that, also comprises catalyzer in described silicone rubber material;
Preferably, the quality percentage composition of described catalyzer in silicone rubber material is 0.3～1.2%, further preferably 0.6～1%, most preferably 0.9%;
Preferably, described catalyzer is selected from Platinic chloride or dibutyl tin laurate.
7. silicon rubber as described as one of claim 1-6, is characterized in that, described silicon rubber is mainly made by following raw material by the quality percentage composition:
8. silicon rubber as described as one of claim 1-7, is characterized in that, described silicon rubber is mainly made by following raw material by the quality percentage composition:
9. the synthesis technique as silicon rubber as described in one of claim 1-8, is characterized in that, by formula ratio, described various raw materials are added in kneader, stirring at normal temperature is even, obtains the silicon rubber for the organosilicon self-adhesive tape.
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| CN201310358579.4A CN103421465B (en) | 2013-08-16 | 2013-08-16 | Silicon rubber used for organic silicon self-adhesive tape and synthesis process of silicon rubber |
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| CN201310358579.4A CN103421465B (en) | 2013-08-16 | 2013-08-16 | Silicon rubber used for organic silicon self-adhesive tape and synthesis process of silicon rubber |
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Cited By (3)
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| CN106398636A (en) * | 2016-08-31 | 2017-02-15 | 湖北新四海化工股份有限公司 | Environment-friendly organosilicone pressure-sensitive adhesive and preparation method thereof |
| CN107163834A (en) * | 2017-05-31 | 2017-09-15 | 兴勤（常州）电子有限公司 | A kind of organic resin coating composition |
| CN108795302A (en) * | 2018-06-28 | 2018-11-13 | 丹阳市沃德立电工材料有限公司 | A kind of silicon rubber self-adhesive tape that novel fire-resistant is fire-retardant |
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| CN101280168A (en) * | 2008-05-16 | 2008-10-08 | 卢儒 | Single component additional organosilicon electronic potting adhesive |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106398636A (en) * | 2016-08-31 | 2017-02-15 | 湖北新四海化工股份有限公司 | Environment-friendly organosilicone pressure-sensitive adhesive and preparation method thereof |
| CN107163834A (en) * | 2017-05-31 | 2017-09-15 | 兴勤（常州）电子有限公司 | A kind of organic resin coating composition |
| CN108795302A (en) * | 2018-06-28 | 2018-11-13 | 丹阳市沃德立电工材料有限公司 | A kind of silicon rubber self-adhesive tape that novel fire-resistant is fire-retardant |
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Effective date of registration: 20160615 Address after: 226017 Jiangsu city of Nantong Province Economic and Technological Development Zone Road, No. 31. Patentee after: Shengda Technology (Nantong) Co., Ltd. Address before: 214135 Jiangsu Province, Wuxi City District Qingyuan Road No. 18 Pacific Park University Science Park building 530 A908 Patentee before: Lu Ru |