CN104327513A - Heat conduction mixing silicon rubber through combination of alumina and magnesium carbonate - Google Patents
Heat conduction mixing silicon rubber through combination of alumina and magnesium carbonate Download PDFInfo
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- CN104327513A CN104327513A CN201410524542.9A CN201410524542A CN104327513A CN 104327513 A CN104327513 A CN 104327513A CN 201410524542 A CN201410524542 A CN 201410524542A CN 104327513 A CN104327513 A CN 104327513A
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Abstract
The invention relates to a heat conduction mixing silicon rubber through combination of alumina and magnesium carbonate. The heat conduction mixing silicon rubber is characterized by comprising, by weight, 60-80 parts of a methyl vinyl silicon rubber crude rubber, 50-70 parts of alumina, 5-10 parts of magnesium carbonate, 20-30 parts of fumed silica, 2-4 parts of dimethyl-chlorosilane, 3-5 parts of nanometer ferric oxide, 0.5-1 part of glacial acetic acid, 1-2 parts of vinyl silicone oil, 2-2.5 parts of silicon carbide crystal whisker, 2-2.5 parts of magnesium borate crystal whisker, 1-1.5 parts of dibutyl phthalate, 1-1.5 parts of isophthalate, 1-1.5 parts of dimethyl adipate, 1.5-2 parts of hydroxyethyl cellulose, and 1-1.5 parts of melamine cyanurate. The heat conduction mixing silicon rubber has characteristics of simple component and convenient preparation, wherein the alumina and the magnesium carbonate are combined, such that the prepared mixing silicon rubber has characteristics of good performance, no odor, good color and good heat conductivity.
Description
Technical field
The present invention relates to rubber item technical field, being specifically related to a kind of aluminum oxide and magnesiumcarbonate and with preparing thermal conductivity melting silicone rubber.
Background technology
Silicon rubber, point heat vulcanization type, room temperature vulcanized, wherein room temperature vulcanized divides again polycondensation reaction type and addition reaction-type.High temperature silicone rubber is mainly for the manufacture of various silastic product, and room temperature silicon rubber then mainly uses as caking agent, Embedding Material or mould.Heat vulcanization type consumption is maximum, and heat vulcanization type divides again methyl silicone rubber, methyl vinyl silicone rubber, methyl vinyl phenyl silicon rubber, and other also have eyeball silicon rubber, trifluoropropyl siloxane etc.In numerous synthetic rubber, silicon rubber is outstanding person wherein.It has tasteless nontoxic, is not afraid of high temperature and the feature resisting severe cold, and " keeping cool ", " remaining calm " when 300 degrees Celsius and subzero 90 degrees Celsius, still do not lose original intensity and elasticity.Silicon rubber also has good electrical insulating property, oxytolerant resistance to deterioration, fast light resistance to deterioration and mildew resistance, chemical stability etc.So far, to be cured and to become the rubber composition of silicon rubber well known, utilize the character that its weathering resistance, thermotolerance, winter hardiness, electrical insulating property etc. are excellent, be widely used in the formed materials etc. such as the packaged material of electrical/electronic part, coating material, pattern use.At present, most silastic product is all use the melting silicone rubber of solid-state version, and through opening refining mixing, then it is shaping to carry out hot press moulding.Thermal conductivity melting silicone rubber performance prepared by this mode is not good.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of physics, chemical property good, prepare simple aluminum oxide with magnesiumcarbonate and use prepares thermal conductivity melting silicone rubber.
Technical problem to be solved by this invention realizes by the following technical solutions:
A kind of aluminum oxide and magnesiumcarbonate, also with preparing thermal conductivity melting silicone rubber, is characterized in that: be made up of the component of following parts by weight,
Methyl vinyl silicon kautschuk 60-80 part, aluminum oxide 50-70 part, magnesiumcarbonate 5-10 part, thermal silica 20-30 part, dimethyl-chlorosilane 2-4 part, nanometer ferric oxide 3-5 part, glacial acetic acid 0.5-1 part, vinyl silicone oil 1-2 part, silicon carbide whisker 2-2.5 part, magnesium borate crystal whisker 2-2.5 part, dibutyl phthalate 1-1.5 part, isophthalic acid ester 1-1.5 part, dimethyl adipate 1-1.5 part, Natvosol 1.5-2 part, melamine cyanurate 1-1.5 part.
Alumina powder selected by described aluminum oxide.
Another object of the present invention is to provide a kind of aluminum oxide and magnesiumcarbonate also uses the preparation method preparing thermal conductivity melting silicone rubber, it is characterized in that:
A. in methyl vinyl silicon kautschuk, add aluminum oxide, magnesiumcarbonate, thermal silica, nanometer ferric oxide, glacial acetic acid, vinyl silicone oil, silicon carbide whisker, magnesium borate crystal whisker, dibutyl phthalate, isophthalic acid ester, dimethyl adipate, Natvosol and melamine cyanurate, mixing in kneader, be made into sizing material;
B. sizing material is mixed with dimethyl-chlorosilane on twin-screw extruder, be made into thermal conductivity melting silicone rubber.
The invention has the beneficial effects as follows: instant component is simple, easy to prepare, by the combination of aluminum oxide and magnesiumcarbonate, make the melting silicone rubber performance prepared good, odorlessness, color just, good heat conductivity.
Embodiment
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth the present invention further.
Embodiment 1
A kind of aluminum oxide and magnesiumcarbonate, also with preparing thermal conductivity melting silicone rubber, are made up of the component of following parts by weight,
Methyl vinyl silicon kautschuk 70 parts, alumina powder 60 parts, 7 parts, magnesiumcarbonate, thermal silica 25 parts, dimethyl-chlorosilane 3 parts, nanometer ferric oxide 4 parts, glacial acetic acid 0.8 part, vinyl silicone oil 1.5 parts, silicon carbide whisker 2 parts, magnesium borate crystal whisker 2.5 parts, dibutyl phthalate 1.5 parts, isophthalic acid ester 1.5 parts, dimethyl adipate 1.5 parts, Natvosol 1.5 parts, melamine cyanurate 1.5 parts.
Another object of the present invention is to provide a kind of aluminum oxide and magnesiumcarbonate also uses the preparation method preparing thermal conductivity melting silicone rubber, it is characterized in that:
A. in methyl vinyl silicon kautschuk, add alumina powder, magnesiumcarbonate, thermal silica, nanometer ferric oxide, glacial acetic acid, vinyl silicone oil, silicon carbide whisker, magnesium borate crystal whisker, dibutyl phthalate, isophthalic acid ester, dimethyl adipate, Natvosol and melamine cyanurate, mixing in kneader, be made into sizing material;
B. sizing material is mixed with dimethyl-chlorosilane on twin-screw extruder, be made into thermal conductivity melting silicone rubber.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (3)
1. aluminum oxide and magnesiumcarbonate are also with preparing a thermal conductivity melting silicone rubber, it is characterized in that: be made up of the component of following parts by weight,
Methyl vinyl silicon kautschuk 60-80 part, aluminum oxide 50-70 part, magnesiumcarbonate 5-10 part, thermal silica 20-30 part, dimethyl-chlorosilane 2-4 part, nanometer ferric oxide 3-5 part, glacial acetic acid 0.5-1 part, vinyl silicone oil 1-2 part, silicon carbide whisker 2-2.5 part, magnesium borate crystal whisker 2-2.5 part, dibutyl phthalate 1-1.5 part, isophthalic acid ester 1-1.5 part, dimethyl adipate 1-1.5 part, Natvosol 1.5-2 part, melamine cyanurate 1-1.5 part.
2. aluminum oxide according to claim 1 and magnesiumcarbonate are also with preparing thermal conductivity melting silicone rubber, it is characterized in that: alumina powder selected by described aluminum oxide.
3. aluminum oxide and magnesiumcarbonate, also by the preparation method preparing thermal conductivity melting silicone rubber, is characterized in that as claimed in claim 1:
A. in methyl vinyl silicon kautschuk, add aluminum oxide, magnesiumcarbonate, thermal silica, nanometer ferric oxide, glacial acetic acid, vinyl silicone oil, silicon carbide whisker, magnesium borate crystal whisker, dibutyl phthalate, isophthalic acid ester, dimethyl adipate, Natvosol and melamine cyanurate, mixing in kneader, be made into sizing material;
B. sizing material is mixed with dimethyl-chlorosilane on twin-screw extruder, be made into thermal conductivity melting silicone rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410524542.9A CN104327513A (en) | 2014-10-08 | 2014-10-08 | Heat conduction mixing silicon rubber through combination of alumina and magnesium carbonate |
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| CN201410524542.9A CN104327513A (en) | 2014-10-08 | 2014-10-08 | Heat conduction mixing silicon rubber through combination of alumina and magnesium carbonate |
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| CN104327513A true CN104327513A (en) | 2015-02-04 |
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| CN201410524542.9A Pending CN104327513A (en) | 2014-10-08 | 2014-10-08 | Heat conduction mixing silicon rubber through combination of alumina and magnesium carbonate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104761914A (en) * | 2015-04-14 | 2015-07-08 | 柳培健 | Semi-conductive mixed silicone rubber prepared by blending carbon black and metallic compound whisker |
| CN104774463A (en) * | 2015-03-16 | 2015-07-15 | 芜湖荣基密封系统有限公司 | Nano silicon carbide doped wear-resistant silicone rubber cement for preparing ultrathin sealing rubber layer and preparation method thereof |
| EP3281975A4 (en) * | 2015-04-06 | 2018-03-28 | LG Chem, Ltd. | Resin composition comprising plasticizer composition, and preparation method therefor |
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| CN103333494A (en) * | 2013-05-28 | 2013-10-02 | 东莞上海大学纳米技术研究院 | Thermal-conductive insulation silicone rubber thermal interface material and preparation method thereof |
| CN103665888A (en) * | 2013-11-29 | 2014-03-26 | 山东永泰化工有限公司 | Method for preparing fire-resistant conductive silicone rubber |
| CN103992644A (en) * | 2014-04-25 | 2014-08-20 | 东莞市天桉硅胶科技有限公司 | Preparation method for heat-conducting silicone rubber |
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Patent Citations (8)
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| CN1417260A (en) * | 2002-12-04 | 2003-05-14 | 刘淑芬 | Solid silica gel |
| CN1715332A (en) * | 2004-06-29 | 2006-01-04 | 上海橡胶制品研究所 | Flame-proof component using silicon rubber as base |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104774463A (en) * | 2015-03-16 | 2015-07-15 | 芜湖荣基密封系统有限公司 | Nano silicon carbide doped wear-resistant silicone rubber cement for preparing ultrathin sealing rubber layer and preparation method thereof |
| EP3281975A4 (en) * | 2015-04-06 | 2018-03-28 | LG Chem, Ltd. | Resin composition comprising plasticizer composition, and preparation method therefor |
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Application publication date: 20150204 |