CN103756631B - Double-component self-adhesive addition type flame retardant heat conducting room temperature curing organic silicon pouring sealant - Google Patents
Double-component self-adhesive addition type flame retardant heat conducting room temperature curing organic silicon pouring sealant Download PDFInfo
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- CN103756631B CN103756631B CN201410010757.9A CN201410010757A CN103756631B CN 103756631 B CN103756631 B CN 103756631B CN 201410010757 A CN201410010757 A CN 201410010757A CN 103756631 B CN103756631 B CN 103756631B
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- organic silicon
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 239000000853 adhesive Substances 0.000 title claims abstract description 15
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 15
- 239000010703 silicon Substances 0.000 title claims abstract description 15
- 239000003063 flame retardant Substances 0.000 title claims abstract description 12
- 239000000565 sealant Substances 0.000 title abstract description 8
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 30
- 239000007822 coupling agent Substances 0.000 claims abstract description 14
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229920002545 silicone oil Polymers 0.000 claims abstract description 8
- 239000003054 catalyst Substances 0.000 claims abstract description 7
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 7
- 239000003112 inhibitor Substances 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims description 12
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 12
- 230000001070 adhesive effect Effects 0.000 claims description 11
- 238000004382 potting Methods 0.000 claims description 11
- 239000011231 conductive filler Substances 0.000 claims description 8
- 238000005987 sulfurization reaction Methods 0.000 claims description 8
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical group [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 5
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 4
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 2
- 239000007795 chemical reaction product Substances 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims description 2
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- PYGSKMBEVAICCR-UHFFFAOYSA-N hexa-1,5-diene Chemical group C=CCCC=C PYGSKMBEVAICCR-UHFFFAOYSA-N 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 2
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 abstract description 2
- 239000000945 filler Substances 0.000 abstract 1
- 230000007774 longterm Effects 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 description 9
- 239000000047 product Substances 0.000 description 4
- -1 3 parts of tackifier Substances 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- 239000006087 Silane Coupling Agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical class [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 229920000260 silastic Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Landscapes
- Adhesives Or Adhesive Processes (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses double-component self-adhesive addition type flame retardant heat conducting room temperature curing organic silicon pouring sealant. The double-component self-adhesive addition type flame retardant heat conducting room temperature curing organic silicon pouring sealant comprises a component A and a component B and is characterized in that the component A is prepared by mixing a basic material, a platinum catalyst and a coupling agent in mass ratio of 100:(0.00001-0.1):(0.1-1); the component B is formed by mixing a basic material, a coupling agent, an inhibitor and a tackifier in mass ratio of 100: (0.2-1.0):(0.01-1):(1-10); the basic material is formed by mixing vinyl-terminated silicone oil, heat-conducting filler and a flame retardant in mass ratio of 100: (120-160):(20-40). The double-component self-adhesive addition type flame retardant heat conducting room temperature curing organic silicon pouring sealant has good optical performance, heat conduction property and relatively good viscosity and can meet the long-term using requirements in high and low temperature environments.
Description
Technical field
The present invention relates to Embedding Material technical field, particularly relate to a kind of two component autohension add-on type flame-retarded heat-conducting self-vulcanizing organic silicon potting adhesive.
Background technology
Along with electronics constantly by more powerful function i ntegration in less assembly, electronic component is had higher requirement to the flame retardant resistance of joint sealant and thermal conductivity.The features such as when add-on type liquid silicon rubber has crosslinked no coupling product release, little, the cross-linking density of shrinking percentage and vulcanization rate be easy to control are the desired matrix materials of electronic apparatus joint sealant.But addition-type silicon rubber is because molecule itself is in nonpolar, and cementability is poor, when using as electronics embedding, coating material, moisture can infiltrate device inside by the space between rubber and base material and cause corrosion and failure of insulation.Silane coupling agent is used to carry out substrate surface processing the cementability that can improve additional organosilicon material and various material; But such a process increases production process and production time, solvent evaporates during use causes again unnecessary environmental pollution.Carbonic ether has excellent insulativity, good flame retardancy and dimensional stability, is widely used in electronic apparatus as shell, body and timbering material.The various aminosilanes that condensed type liquid silastic is conventional have better cementability to PC, but have poisoning effect to add-on type liquid silicon rubber and can not use.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of two component autohension add-on type flame-retarded heat-conducting self-vulcanizing organic silicon potting adhesive, has good optical property, heat conductivility and viscosity preferably, and the requirement of life-time service under high and low temperature environment can be met.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is:
A kind of two component autohension add-on type flame-retarded heat-conducting self-vulcanizing organic silicon potting adhesive is provided, comprise component A and B component, described component A is mixed according to ratio of quality and the number of copies 100:0.00001 ~ 0.1:0.1 ~ 1 by base-material, platinum catalyst and coupling agent, described B component is mixed according to ratio of quality and the number of copies 100:0.2 ~ 1:0.01 ~ 1:1 ~ 10 by base-material, coupling agent, inhibitor and tackifier, and described base-material is mixed by vinyl-terminated silicone fluid, heat conductive filler and fire retardant ratio of quality and the number of copies 100:120 ~ 160:20 ~ 40.
In a preferred embodiment of the present invention, the described heat conductive filler in described base-material is aluminum oxide, and described fire retardant is aluminium hydroxide.
In a preferred embodiment of the present invention, as the described aluminum oxide of heat conductive filler, for the aluminum oxide with different-grain diameter forms according to extra fine quality portion rate mixed preparing.
In a preferred embodiment of the present invention, as the described aluminum oxide of heat conductive filler, be 5 μm and form according to ratio of quality and the number of copies 1:2 mixed preparing with the alumina raw material of 15 μm of two kinds of particle diameters.
In a preferred embodiment of the present invention, described coupling agent is the mixture of vinyltrimethoxy silane and gamma-methyl allyl acyloxypropyl trimethoxysilane.
In a preferred embodiment of the present invention, described tackifier are the reaction product of TriMethylolPropane(TMP) diallyl, γ-glycidoxypropyltrimethoxy silane and tetraethoxy.
In a preferred embodiment of the present invention, described component A and described B component mix according to ratio of quality and the number of copies 1:1 then carries out vacuum defoamation, and at room temperature sulfuration 15 ~ 40h makes described dual composition addition type flame-retarded heat-conducting self-vulcanizing organic silicon potting adhesive.
The invention has the beneficial effects as follows: a kind of two component autohension add-on type flame-retarded heat-conducting self-vulcanizing organic silicon potting adhesive of the present invention, there is excellent chemical property, wherein be filled with heat conductive filler in base-material, higher fill-up can be realized, improve thermal conductivity and the mobility of joint sealant, fire retardant and platinum catalyst and by the flame retardant properties that improve joint sealant, the present invention is without the need to silane coupling agent, under the heating condition of 90 DEG C, there is good cementability to PC and aluminium etc., there is good over-all properties.
Embodiment
Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Embodiment 1:
(1) preparation of base-material: 100 parts of vinyl silicone oils, 150 parts of aluminum oxide, 30 parts of aluminium hydroxides are added in high speed dispersor and mixes, vacuumizing and defoaming, obtained base-material.Wherein aluminum oxide containing 5 μm with the alumina raw material of two kinds of particle diameters of 15 μm, form according to ratio of quality and the number of copies 1:2 mixed preparing.
(2) preparation of component A: get 100 parts of base-materials, the platinum catalyst of 0.000015 part, the coupling agent of 0.5 part, mix in high speed dispersor, vacuumizing and defoaming.
(3) preparation of B component: get 100 parts of base-materials, 8 parts of containing hydrogen silicone oils, 0.5 part of coupling agent, 0.05 part of inhibitor, 3 parts of tackifier, mix in high speed dispersor, vacuumizing and defoaming.
(4) component A above-mentioned steps prepared mixes deaeration with B component according to mass ratio 1:1, imports in mould, at ambient temperature sulfuration 24 hours or in 90 DEG C of sulfurations 30 minutes, makes finished product.
Embodiment 2:
(1) preparation of base-material: 100 parts of vinyl silicone oils, 155 parts of aluminum oxide, 32 parts of aluminium hydroxides are added in high speed dispersor and mixes, vacuumizing and defoaming, obtained base-material.Wherein aluminum oxide containing 5 μm with the alumina raw material of two kinds of particle diameters of 15 μm, form according to ratio of quality and the number of copies 1:2 mixed preparing.
(2) preparation of component A: get 100 parts of base-materials, the platinum catalyst of 0.000018 part, the coupling agent of 0.5 part, mix in high speed dispersor, vacuumizing and defoaming.
(3) preparation of B component: get 100 parts of base-materials, 8 parts of containing hydrogen silicone oils, 0.45 part of coupling agent, 0.05 part of inhibitor, 3 parts of tackifier, mix in high speed dispersor, vacuumizing and defoaming.
(4) component A above-mentioned steps prepared mixes deaeration with B component according to mass ratio 1:1, imports in mould, at ambient temperature sulfuration 24 hours or in 90 DEG C of sulfurations 30 minutes, makes finished product.
Embodiment 3:
(1) preparation of base-material: 100 parts of vinyl silicone oils, 148 parts of aluminum oxide, 30 parts of aluminium hydroxides are added in high speed dispersor and mixes, vacuumizing and defoaming, obtained base-material.Wherein aluminum oxide containing 5 μm with the alumina raw material of two kinds of particle diameters of 15 μm, form according to ratio of quality and the number of copies 1:2 mixed preparing.
(2) preparation of component A: get 100 parts of base-materials, the platinum catalyst of 0.000012 part, the coupling agent of 0.5 part, mix in high speed dispersor, vacuumizing and defoaming.
(3) preparation of B component: get 100 parts of base-materials, 8 parts of containing hydrogen silicone oils, 0.5 part of coupling agent, 0.05 part of inhibitor, 3 parts of tackifier, mix in high speed dispersor, vacuumizing and defoaming.
(4) component A above-mentioned steps prepared mixes deaeration with B component according to mass ratio 1:1, imports in mould, at ambient temperature sulfuration 24 hours or in 90 DEG C of sulfurations 30 minutes, makes finished product.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (4)
1. a two component autohension add-on type flame-retarded heat-conducting self-vulcanizing organic silicon potting adhesive, comprise component A and B component, it is characterized in that, described component A is mixed according to ratio of quality and the number of copies 100:0.00001 ~ 0.1:0.1 ~ 1 by base-material, platinum catalyst and coupling agent, described B component is mixed according to ratio of quality and the number of copies 100:8:0.2 ~ 1:0.01 ~ 1:1 ~ 10 by base-material, containing hydrogen silicone oil, coupling agent, inhibitor and tackifier, and described base-material is mixed by vinyl-terminated silicone fluid, heat conductive filler and fire retardant ratio of quality and the number of copies 100:120 ~ 160:20 ~ 40; Described heat conductive filler in described base-material is aluminum oxide, and described fire retardant is aluminium hydroxide;
As the described aluminum oxide of heat conductive filler, be 5 μm and form according to ratio of quality and the number of copies 1:2 mixed preparing with the alumina raw material of 15 μm of two kinds of particle diameters.
2. according to claim 1 pair of component autohension add-on type flame-retarded heat-conducting self-vulcanizing organic silicon potting adhesive, it is characterized in that, described coupling agent is the mixture of vinyltrimethoxy silane and gamma-methyl allyl acyloxypropyl trimethoxysilane.
3. according to claim 1 pair of component autohension add-on type flame-retarded heat-conducting self-vulcanizing organic silicon potting adhesive, it is characterized in that, described tackifier are the reaction product of TriMethylolPropane(TMP) diallyl, γ-glycidoxypropyltrimethoxy silane and tetraethoxy.
4. according to claim 1 pair of component autohension add-on type flame-retarded heat-conducting self-vulcanizing organic silicon potting adhesive, it is characterized in that, described component A and described B component mix according to ratio of quality and the number of copies 1:1 then carries out vacuum defoamation, and at room temperature sulfuration 15 ~ 40h makes described dual composition addition type flame-retarded heat-conducting self-vulcanizing organic silicon potting adhesive.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410010757.9A CN103756631B (en) | 2013-11-28 | 2014-01-10 | Double-component self-adhesive addition type flame retardant heat conducting room temperature curing organic silicon pouring sealant |
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| CN201310612073 | 2013-11-28 | ||
| CN201310612073.1 | 2013-11-28 | ||
| CN2013106120731 | 2013-11-28 | ||
| CN201410010757.9A CN103756631B (en) | 2013-11-28 | 2014-01-10 | Double-component self-adhesive addition type flame retardant heat conducting room temperature curing organic silicon pouring sealant |
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| CN103756631A CN103756631A (en) | 2014-04-30 |
| CN103756631B true CN103756631B (en) | 2015-06-03 |
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Families Citing this family (17)
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| HUE061592T2 (en) | 2014-07-07 | 2023-07-28 | Honeywell Int Inc | Thermal interface material with ion scavenger |
| CN104312529B (en) * | 2014-10-08 | 2017-01-25 | 卢儒 | Organic silicon heat conduction electronic filling adhesive and preparation method thereof |
| CN105038694B (en) * | 2015-08-12 | 2018-10-19 | 东莞兆舜有机硅科技股份有限公司 | A kind of dual composition addition type organosilicon bonding casting glue and its application method |
| CN105647463B (en) * | 2016-01-25 | 2018-11-02 | 浙江泓源汽车集团有限公司 | Fire-retardant, the explosion-proof heat conductive silica gel of one kind and its application method |
| EP3426746B1 (en) | 2016-03-08 | 2021-07-14 | Honeywell International Inc. | Phase change material |
| US10501671B2 (en) | 2016-07-26 | 2019-12-10 | Honeywell International Inc. | Gel-type thermal interface material |
| CN106753205B (en) * | 2017-01-11 | 2020-05-22 | 湖南博翔新材料有限公司 | Epoxy modified organic silicon pouring sealant with low viscosity and high heat conductivity and application thereof |
| US11041103B2 (en) | 2017-09-08 | 2021-06-22 | Honeywell International Inc. | Silicone-free thermal gel |
| US10428256B2 (en) | 2017-10-23 | 2019-10-01 | Honeywell International Inc. | Releasable thermal gel |
| CN108034255A (en) * | 2017-10-31 | 2018-05-15 | 东莞市汉品电子有限公司 | High fire-retardance heat-conducting silica gel sheet and its manufacture method |
| US11072706B2 (en) | 2018-02-15 | 2021-07-27 | Honeywell International Inc. | Gel-type thermal interface material |
| CN109054733A (en) * | 2018-09-19 | 2018-12-21 | 深圳市红叶杰科技有限公司 | A kind of bi-component self-adhesion add-on type electron pouring sealant and preparation method thereof |
| CN109439272A (en) * | 2018-12-28 | 2019-03-08 | 中天东方氟硅材料有限公司 | Two-component heat conductive flame-retarding organic silicon potting adhesive composition and its casting glue for electric vehicle and preparation method |
| US11373921B2 (en) | 2019-04-23 | 2022-06-28 | Honeywell International Inc. | Gel-type thermal interface material with low pre-curing viscosity and elastic properties post-curing |
| CN110746926A (en) * | 2019-12-02 | 2020-02-04 | 扬州宏远新材料股份有限公司 | Self-adhesive heat-conducting flame-retardant two-component electronic encapsulating silicone rubber and preparation method thereof |
| CN110982074A (en) * | 2019-12-25 | 2020-04-10 | 广州市高士实业有限公司 | Normal-temperature curing tackifier system, preparation method and pouring sealant using same |
| CN115612302A (en) * | 2022-09-30 | 2023-01-17 | 福建纳新硅业科技有限公司 | High-strength composite silicone rubber and preparation method thereof |
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Effective date of registration: 20190926 Address after: 215542 Zhongtian Road, Changkun Industrial Park, Shajiabang Town, Changshu City, Jiangsu Province Patentee after: JIANGSU CREVO SCIENCE & TECHNOLOGY CO.,LTD. Address before: 215500 New Lane Village, Lake Town, Suzhou, Jiangsu, Changshou City Patentee before: Changshu Hengxin Adhesive Co.,Ltd. |
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Address after: 215542 Zhongtian Road, Changkun Industrial Park, Shajiabang Town, Changshu City, Suzhou City, Jiangsu Province Patentee after: Sika (Jiangsu) Industrial Materials Co.,Ltd. Address before: 215542 Zhongtian Road, Changkun Industrial Park, Shajiabang Town, Changshu City, Suzhou City, Jiangsu Province Patentee before: JIANGSU CREVO SCIENCE & TECHNOLOGY CO.,LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 |