CN106280489A - A kind of silica gel radiating fin - Google Patents

A kind of silica gel radiating fin Download PDF

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Publication number
CN106280489A
CN106280489A CN201610728034.1A CN201610728034A CN106280489A CN 106280489 A CN106280489 A CN 106280489A CN 201610728034 A CN201610728034 A CN 201610728034A CN 106280489 A CN106280489 A CN 106280489A
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CN
China
Prior art keywords
silica gel
radiating fin
parts
gel radiating
antioxidant
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Pending
Application number
CN201610728034.1A
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Chinese (zh)
Inventor
闫森源
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Strong New Genuine (suzhou) Environmental Mstar Technology Ltd
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Strong New Genuine (suzhou) Environmental Mstar Technology Ltd
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Priority to CN201610728034.1A priority Critical patent/CN106280489A/en
Publication of CN106280489A publication Critical patent/CN106280489A/en
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02—Organic and inorganic ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/28—Nitrogen-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/38—Boron-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/54—Silicon-containing compounds
    • C08K5/541—Silicon-containing compounds containing oxygen
    • C08K5/5435—Silicon-containing compounds containing oxygen containing oxygen in a ring
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/54—Silicon-containing compounds
    • C08K5/544—Silicon-containing compounds containing nitrogen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2217—Oxides; Hydroxides of metals of magnesium
    • C08K2003/222—Magnesia, i.e. magnesium oxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/28—Nitrogen-containing compounds
    • C08K2003/282—Binary compounds of nitrogen with aluminium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/38—Boron-containing compounds
    • C08K2003/382—Boron-containing compounds and nitrogen
    • C08K2003/385—Binary compounds of nitrogen with boron
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a kind of silica gel radiating fin, it is characterised in that: include the component of following weight portion: 50 ~ 60 parts of methylvinyl-polysiloxane mixture, silane coupler 50 ~ 60 parts, silicon dioxide 5 ~ 10 parts, platinum catalyst 0.1 ~ 0.3 part, alcohols delayed-action activator 0.01 ~ 0.03 part, aluminium hydroxide 10 ~ 15 parts, peroxide 0.1 ~ 0.5 part, conduction powder 30 ~ 40 parts, heat stabilizer 1 ~ 5 part and 1 ~ 5 part of antioxidant.A kind of silica gel radiating fin that the present invention provides, is difficult in preparation process incipient scorch occur, tell the problems such as white, cure time is long, silica gel radiating fin quality is good, and yield rate is high.

Description

A kind of silica gel radiating fin
Technical field
The present invention relates to a kind of silica gel radiating fin, belong to Heat Conduction Material technical field.
Background technology
Silica gel radiating fin is a kind of heat-conducting medium, is used for reducing connecing of producing between heat source surface and radiating element contact surface Touch thermal resistance.Existing silica gel radiating fin easily occurs incipient scorch in preparation process, tells the problems such as white, cure time is long, serious shadow Ringing the quality of silica gel radiating fin, yield rate is low.
Summary of the invention
The technical problem to be solved is to provide a kind of being difficult in preparation process to be there is incipient scorch, tells white, sulfuration The silica gel radiating fin of the problems such as overlong time.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of silica gel radiating fin, including the component of following weight portion: 50 ~ 60 parts of methylvinyl-polysiloxane mixture, silane Coupling agent 50 ~ 60 parts, silicon dioxide 5 ~ 10 parts, platinum catalyst 0.1 ~ 0.3 part, alcohols delayed-action activator 0.01 ~ 0.03 part, hydroxide 10 ~ 15 parts of aluminum, peroxide 0.1 ~ 0.5 part, conduction powder 30 ~ 40 parts, heat stabilizer 1 ~ 5 part and 1 ~ 5 part of antioxidant.
Described conduction powder includes one or more in aluminium oxide, magnesium oxide, aluminium nitride and boron nitride.
Described conduction powder includes that aluminium oxide and boron nitride, the weight ratio of described aluminium oxide and boron nitride are (3 ~ 5): 1.
Described aluminium oxide includes that micrometer alumina, described boron nitride include a micron boron nitride.
Described silane coupler includes epoxy silane coupling or amino silicane coupling agent.
Described platinum catalyst includes KE-808.
Described silicon dioxide includes aerosil.
Described antioxidant includes primary antioxidant and auxiliary anti-oxidant, and described primary antioxidant includes Hinered phenols antioxidant, described Auxiliary anti-oxidant includes phosphorous acid esters synergistic antioxidant.
Described heat stabilizer includes nano titanium oxide.
A kind of silica gel radiating fin that the present invention provides, heat stabilizer and the setting of antioxidant, make the present invention in preparation process In be difficult to incipient scorch to occur, tells the problems such as white, cure time is long, silica gel radiating fin quality is good, and yield rate is high；Aluminium oxide and nitridation The weight ratio of boron is (3 ~ 5): the setting of 1, makes the present invention possess high heat conduction effect；Aluminium hydroxide and epoxy silane coupling or The combination of amino silicane coupling agent is arranged, and makes aluminium hydroxide be scattered in 50 ~ 60 parts of silane couplers, and aluminium hydroxide easily disperses, The quality of the silica gel radiating fin of preparation is good；Aluminium hydroxide is the most stable below 300 degree, and heat conductivility is general, more than 300 degree meetings Decomposing and generate aluminium oxide, heat conductivility strengthens, and makes the present invention can use under the hot conditions more than 300 degree, good heat dissipation effect.
Detailed description of the invention
Below the present invention is further described.
Embodiment 1:
A kind of silica gel radiating fin, including the component of following weight portion: 50 parts of methylvinyl-polysiloxane mixture, silane coupled Agent 50 parts, silicon dioxide 5 parts, platinum catalyst 0.1 part, alcohols delayed-action activator 0.01 part, aluminium hydroxide 10 parts, peroxide 0.1 Part, conduction powder 30 parts, heat stabilizer 1 part and 1 part of antioxidant.
Described conduction powder includes one or more in aluminium oxide, magnesium oxide, aluminium nitride and boron nitride.
Described conduction powder includes that aluminium oxide and boron nitride, the weight ratio of described aluminium oxide and boron nitride are 3:1.
Described aluminium oxide includes that micrometer alumina, described boron nitride include a micron boron nitride.
Described silane coupler includes epoxy silane coupling or amino silicane coupling agent.
Described platinum catalyst includes KE-808.
Described silicon dioxide includes aerosil.
Described antioxidant includes primary antioxidant and auxiliary anti-oxidant, and described primary antioxidant includes Hinered phenols antioxidant, described Auxiliary anti-oxidant includes phosphorous acid esters synergistic antioxidant.
Described heat stabilizer includes nano titanium oxide.
Embodiment 2:
A kind of silica gel radiating fin, including the component of following weight portion: 60 parts of methylvinyl-polysiloxane mixture, silane coupled Agent 60 parts, silica 10 part, platinum catalyst 0.3 part, alcohols delayed-action activator 0.03 part, aluminium hydroxide 15 parts, peroxide 0.5 Part, conduction powder 40 parts, heat stabilizer 5 parts and 5 parts of antioxidant.
Described conduction powder includes one or more in aluminium oxide, magnesium oxide, aluminium nitride and boron nitride.
Described conduction powder includes that aluminium oxide and boron nitride, the weight ratio of described aluminium oxide and boron nitride are 5:1.
Described aluminium oxide includes that micrometer alumina, described boron nitride include a micron boron nitride.
Described silane coupler includes epoxy silane coupling or amino silicane coupling agent.
Described platinum catalyst includes KE-808.
Described silicon dioxide includes aerosil.
Described heat stabilizer includes that primary antioxidant and auxiliary anti-oxidant, described primary antioxidant include Hinered phenols antioxidant, institute State auxiliary anti-oxidant and include phosphorous acid esters synergistic antioxidant.
Described heat stabilizer includes nano titanium oxide.
Embodiment 3:
A kind of silica gel radiating fin, including the component of following weight portion: 55 parts of methylvinyl-polysiloxane mixture, silane coupled Agent 60 parts, silicon dioxide 8 parts, platinum catalyst 0.2 part, alcohols delayed-action activator 0.02 part, aluminium hydroxide 12 parts, peroxide 0.3 Part, conduction powder 35 parts, heat stabilizer 2 parts and 3 parts of antioxidant.
Described conduction powder includes one or more in aluminium oxide, magnesium oxide, aluminium nitride and boron nitride.
Described conduction powder includes that aluminium oxide and boron nitride, the weight ratio of described aluminium oxide and boron nitride are 4:1.
Described aluminium oxide includes that micrometer alumina, described boron nitride include a micron boron nitride.
Described silane coupler includes epoxy silane coupling or amino silicane coupling agent.
Described platinum catalyst includes KE-808.
Described silicon dioxide includes aerosil.
Described antioxidant includes primary antioxidant and auxiliary anti-oxidant, and described primary antioxidant includes Hinered phenols antioxidant, described Auxiliary anti-oxidant includes phosphorous acid esters synergistic antioxidant.
Described heat stabilizer includes nano titanium oxide.
The above is only the preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (9)

1. a silica gel radiating fin, it is characterised in that: include the component of following weight portion: methylvinyl-polysiloxane mixture 50 ~ 60 parts, silane coupler 50 ~ 60 parts, silicon dioxide 5 ~ 10 parts, platinum catalyst 0.1 ~ 0.3 part, alcohols delayed-action activator 0.01 ~ 0.03 part, aluminium hydroxide 10 ~ 15 parts, peroxide 0.1 ~ 0.5 part, conduction powder 30 ~ 40 parts, heat stabilizer 1 ~ 5 part and antioxygen Agent 1 ~ 5 part.
A kind of silica gel radiating fin the most according to claim 1, it is characterised in that: described conduction powder includes aluminium oxide, oxygen Change one or more in magnesium, aluminium nitride and boron nitride.
A kind of silica gel radiating fin the most according to claim 1, it is characterised in that: described conduction powder includes aluminium oxide and nitrogen Changing boron, the weight ratio of described aluminium oxide and boron nitride is (3 ~ 5): 1.
A kind of silica gel radiating fin the most according to claim 3, it is characterised in that: described aluminium oxide includes micrometer alumina, Described boron nitride includes a micron boron nitride.
A kind of silica gel radiating fin the most according to claim 1, it is characterised in that: described silane coupler includes epoxy radicals silicon Alkane coupling agent or amino silicane coupling agent.
A kind of silica gel radiating fin the most according to claim 1, it is characterised in that: described platinum catalyst includes KE-808.
A kind of silica gel radiating fin the most according to claim 1, it is characterised in that: described silicon dioxide includes gas phase titanium dioxide Silicon.
A kind of silica gel radiating fin the most according to claim 1, it is characterised in that: described antioxidant includes primary antioxidant and auxiliary Antioxidant, described primary antioxidant includes that Hinered phenols antioxidant, described auxiliary anti-oxidant include phosphorous acid esters synergistic antioxidant.
A kind of silica gel radiating fin the most according to claim 1, it is characterised in that: described heat stabilizer includes nanometer titanium dioxide Titanium.
CN201610728034.1A 2016-08-26 2016-08-26 A kind of silica gel radiating fin Pending CN106280489A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107418211A (en) * 2017-06-20 2017-12-01 安徽燕青科技集团有限公司 A kind of LED indoor radiating silica gel sheet
CN108485566A (en) * 2018-03-15 2018-09-04 南安市创培电子科技有限公司 A kind of preparation method of electronic component adhesive
CN109385095A (en) * 2018-09-30 2019-02-26 东莞市臻邦新材料科技有限公司 A kind of high thermal conductivity springs back by force silica gel pad and preparation method thereof
CN110172249A (en) * 2019-06-18 2019-08-27 杭州兆科电子材料有限公司 Heat-conducting silica gel sheet and its preparation method and application, thermally conductive heating silica gel piece and its preparation method and application

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101831181A (en) * 2010-05-21 2010-09-15 浙江三元电子科技有限公司 Addition thermal conductive insulation silicon rubber composite material and preparation method thereof
CN103146198A (en) * 2013-03-12 2013-06-12 深圳市博恩实业有限公司 Heat conducting composite material and heat conducting composite sheet prepared by applying same
CN104893307A (en) * 2015-05-26 2015-09-09 西南科技大学 Heat-conduction electric-insulation rubber-plastic composite material and preparation method thereof
CN105315414A (en) * 2015-10-28 2016-02-10 苏州天脉导热科技有限公司 Preparation method for phase-change heat conduction silicon sheet

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101831181A (en) * 2010-05-21 2010-09-15 浙江三元电子科技有限公司 Addition thermal conductive insulation silicon rubber composite material and preparation method thereof
CN103146198A (en) * 2013-03-12 2013-06-12 深圳市博恩实业有限公司 Heat conducting composite material and heat conducting composite sheet prepared by applying same
CN104893307A (en) * 2015-05-26 2015-09-09 西南科技大学 Heat-conduction electric-insulation rubber-plastic composite material and preparation method thereof
CN105315414A (en) * 2015-10-28 2016-02-10 苏州天脉导热科技有限公司 Preparation method for phase-change heat conduction silicon sheet

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107418211A (en) * 2017-06-20 2017-12-01 安徽燕青科技集团有限公司 A kind of LED indoor radiating silica gel sheet
CN108485566A (en) * 2018-03-15 2018-09-04 南安市创培电子科技有限公司 A kind of preparation method of electronic component adhesive
CN109385095A (en) * 2018-09-30 2019-02-26 东莞市臻邦新材料科技有限公司 A kind of high thermal conductivity springs back by force silica gel pad and preparation method thereof
CN110172249A (en) * 2019-06-18 2019-08-27 杭州兆科电子材料有限公司 Heat-conducting silica gel sheet and its preparation method and application, thermally conductive heating silica gel piece and its preparation method and application
CN110172249B (en) * 2019-06-18 2022-07-26 杭州兆科电子材料有限公司 Heat-conducting silica gel sheet and preparation method and application thereof, heat-conducting heating silica gel sheet and preparation method and application thereof

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Application publication date: 20170104