CN100357088C - Preparation method of roll-type silicone rubber film - Google Patents
Preparation method of roll-type silicone rubber film Download PDFInfo
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- CN100357088C CN100357088C CNB011234628A CN01123462A CN100357088C CN 100357088 C CN100357088 C CN 100357088C CN B011234628 A CNB011234628 A CN B011234628A CN 01123462 A CN01123462 A CN 01123462A CN 100357088 C CN100357088 C CN 100357088C
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- silicone rubber
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- 229920002379 silicone rubber Polymers 0.000 title claims abstract description 123
- 239000004945 silicone rubber Substances 0.000 title claims abstract description 57
- 238000002360 preparation method Methods 0.000 title claims abstract 3
- 238000004519 manufacturing process Methods 0.000 claims abstract description 32
- 238000002156 mixing Methods 0.000 claims abstract description 25
- 239000000203 mixture Substances 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 238000004073 vulcanization Methods 0.000 claims abstract 17
- 239000011347 resin Substances 0.000 claims abstract 3
- 229920005989 resin Polymers 0.000 claims abstract 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 69
- 238000000034 method Methods 0.000 claims description 62
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 239000000945 filler Substances 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000654 additive Substances 0.000 claims description 8
- 229920002545 silicone oil Polymers 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 7
- 239000005060 rubber Substances 0.000 claims description 7
- 229910052582 BN Inorganic materials 0.000 claims description 6
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 5
- 150000001451 organic peroxides Chemical group 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- 239000012752 auxiliary agent Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910000410 antimony oxide Inorganic materials 0.000 claims description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 3
- 235000013539 calcium stearate Nutrition 0.000 claims description 3
- 239000008116 calcium stearate Substances 0.000 claims description 3
- 238000000354 decomposition reaction Methods 0.000 claims description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims description 3
- 229920003051 synthetic elastomer Polymers 0.000 claims description 3
- 239000005061 synthetic rubber Substances 0.000 claims description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 3
- 239000000080 wetting agent Substances 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 8
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical group O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims 1
- 230000005484 gravity Effects 0.000 claims 1
- 239000004615 ingredient Substances 0.000 claims 1
- 229910052814 silicon oxide Inorganic materials 0.000 claims 1
- 239000011593 sulfur Substances 0.000 claims 1
- 229910052717 sulfur Inorganic materials 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000003490 calendering Methods 0.000 abstract description 3
- 239000011810 insulating material Substances 0.000 abstract 1
- 239000005864 Sulphur Substances 0.000 description 69
- 238000012545 processing Methods 0.000 description 17
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical group [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 13
- 238000012360 testing method Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 239000004744 fabric Substances 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 150000002978 peroxides Chemical class 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000004898 kneading Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 2
- 229920000260 silastic Polymers 0.000 description 2
- 241000907903 Shorea Species 0.000 description 1
- AFYNYVFJTDCVBJ-UHFFFAOYSA-N [Si].[S] Chemical compound [Si].[S] AFYNYVFJTDCVBJ-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 229920005560 fluorosilicone rubber Polymers 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010058 rubber compounding Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229920005573 silicon-containing polymer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
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Abstract
A process for preparing the coiled silicon rubber film includes such steps as pre-mixing the silicon rubber composition, calendering to obtain film, sulfurizing in enclosed sulfurizing unit, and sulfurizing in open heating unit. The hardness Shore A of the prepared continuous roll type silicone rubber film is between 20 and 60, and the thickness range is 0.1 to 3.0mm by adopting high-temperature vulcanization type silicone rubber resin. The heat-dissipating and heat-resisting heat-insulating material has excellent heat-dissipating performance, flexibility and soft adhesion, and can be used on devices and structures which are easy to generate high heat sources to provide heat-dissipating and heat-resisting effects; has the advantages of simple preparation method, high production efficiency and capability of manufacturing the silicon rubber film with uniform thickness and wide width.
Description
Technical field
The invention relates to a kind of method for making of silicon rubber film coil, it provides the method for making of normal pressure rolling calendering, add sulphur type (HTV) silicon rubber to make continuous web-like high temperature, and the silicon rubber film of thickness homogeneous, it has the film of high and low heat conducting and radiating effect purposes, can make the silicon rubber film that fabric width is 160cm.
Background technology
Traditional processing mode of general silicone rubber products is divided into three kinds substantially: (one) is hot-forming, (two) injection molded mode reaches (three) hot-air and adds sulphur.Wherein making sheet film then carries out in the mode that hot-forming and hot-air add sulphur.Its major defect is: the speed of production of thermoforming way is slow, and can't produce continuously.
Summary of the invention
At the problems referred to above, the inventor is through developmental research chronically, create a kind of method for making of silicon rubber film coil of novelty, the silicon rubber film of thickness homogeneous and wide cut not only has good thermal diffusivity, flexibility and the soft silicon rubber film that attaches property again.
Main purpose of the present invention provides a kind of method for making of silicon rubber film coil, it mainly is to add sulphur and two sections open sulphur that add of normal pressure by one section airtight coating, the type continuously rolled silicon rubber film of wide cut of the thickness homogeneous of producing, can be used for high heating product heat radiation and heat-resisting is provided, utilize the property of raw material of silicon rubber film, thermal source is derived via itself conducting to fan, reach the purpose of the execution usefulness of stable prod use.
Second purpose of the present invention provides a kind of method for making of type continuously rolled silicon rubber film, the type continuously rolled silicon rubber film of its prepared wide cut, and can be used for the large tracts of land product must ask, and reaches amplification extensibility that improves product and the purpose that improves competitiveness of product.
The 3rd purpose of the present invention provides a kind of method for making of silicon rubber film coil, its prepared type continuously rolled silicon rubber is formed film, the silicon rubber film of different hardness, proportion, thickness and fabric width be can make, diversity that increases product and the purpose that improves carrying charge reached.
The 4th purpose of the present invention provides a kind of method for making of silicon rubber film coil, reaches the purpose that method for making is simple and easy and production efficiency is high.
The object of the present invention is achieved like this: a kind of method for making of silicon rubber film coil is characterized in that: it comprises the following step:
A, batching: the parts by weight ratio of each composition is in the rubber composition: 100 parts of silicone rubber resinas, bridging agent 0.25-5.0 part, filler 20-200 part, other additives and auxiliary agent 5-20 part; Its average molecular weight range of this silicone rubber resina is 20,000-50, and 000, Shore A hardness is at 20-60; This bridging agent is an organic peroxide; This filler is aluminium oxide, boron nitride, titanium oxide, precipitated calcium carbonate, silica (Silica), talcum powder, aluminium powder, silicon calcined earth, natural fiber, glass fibre or wetting agent; These other additives are silicone oil (Silicone Oil), zinc stearate, calcium stearate, zinc oxide or antimony oxide;
B, mixing: each feedstock composition is inserted in the adding pressure type mixing arrangement, fully stir mutually and mix, its mixture is dispersed in the mixing process;
C, film output: be that the silastic mixture that mixes through the adding pressure type mixing arrangement is delivered to coiled continuously at ordinary pressure formula film generation device, be wound to cylinder simultaneously in company with the guiding medium layer and add on the sulphur device, form continuous silicon rubber film;
D, once add sulphur and build bridge: be to be wound to cylinder simultaneously in company with the guiding medium layer and to add on the sulphur device described, form continuous silicon rubber film, send into the steam adding pressure type and add in the sulphur bl bridge layer heating and build bridge, add sulphur and finish the back cooling and together roll out in company with guiding medium layer;
E, secondary add the sulphur heating: it is to add the silicon rubber film that the heating of sulphur bl bridge layer is built bridge and produced through the steam adding pressure type, roll out in company with the guiding medium layer, and bring into simultaneously in the continuous open heater and heat, cooling after heating is finished, to guide medium layer and separate distinctly with silicon rubber film and roll out, promptly get type continuously rolled silicon rubber film.
The melting temperature of this mixing process is controlled at 60-150 ℃.The melting temperature of this mixing process is lower than the decomposition temperature of this bridging agent.The temperature of this mixing processing procedure is a normal temperature to 100 ℃, and the time is 5-60 minute, and pressure is 5-15kg/cm
2The operating temperature of this film output is a room temperature to 60 ℃.Each wheel speed ratio of this film output is 1: 1-1: 1.1.This once adds bridge formation temperature controlling that sulphur builds bridge and is controlled at 2-5kg/cm at 130-170 ℃, pressure
2And the time of staying is 2-4 hour.The heating and temperature control that this secondary adds sulphur heating 130-200 ℃ and heat time heating time at 30-60 minute.Comprise in this film output processing procedure a tubular coat around get device around getting the coating processing procedure, be will the guiding medium layer and the silicon rubber film that produced of type continuously rolled film generation device, add sulphur around getting on the seat around being taken to the tubular clad type simultaneously.Should comprise a guiding medium layer in the processing procedure around getting to coat, the silicon rubber film that the guiding medium layer of this silicon rubber film layering and type continuously rolled film generation device are produced coats around getting on the device around being taken to tubular simultaneously.This guiding medium layer is to be selected from one of them of fibre, paper products or rubber film.This film generation device is to include calender, pressure vessel or open baking oven.The fabric width degree of the final products of this production is below 160cm.This silicon rubber is to select high temperature bridge formation type silicon rubber for use, and its number average molecular weight is 300,000.It is to adopt continuous open baking oven heating that this secondary adds the sulphur processing procedure.This continuous open baking oven is to be selected from one of them of horizontal or vertical type baking oven.This filler is to be selected from one of them of heat conduction silicon rubber film that boron nitride or alumina material make.This filler is to be selected from fire proofing material to have heat conduction and the silicon rubber film of anti-the combustion as manufacturing.It is 1-5 around the quantity of getting seat that this clad type adds sulphur.It is cylindric or shaft-like one of them around the form of getting seat that this clad type adds sulphur.This clad type adds sulphur and includes and add sulphur degree and THICKNESS CONTROL program around getting seat, is to coat the whole sulphur that adds around getting seat with the synthetic rubber film, will not add the sulphur silicon rubber film in the complete closed space fully intensification add sulphur.This clad type adds sulphur around the confined space that the silicon rubber film of getting on the seat stores, and need feed organic gas and fill up whole space, and the silicon rubber film of Jia Qiaoing directly is not subjected to the organic gas effect, adds the influence that sulphur degree and thickness are avoided aqueous vapor to control it.This method makes the silicon rubber film that thickness is 0.2-3.0mm.This method makes the silicon rubber film that fabric width is 50-160cm.It is the silicon rubber film of 20-60 that this method makes Shore A hardness.This method makes the silicon rubber film that proportion is 1.0-2.0.This method makes the silicon rubber film that the coefficient of heat conduction is 0.4-3W/mk.It is to adopt hot blast to add sulphur formula baking oven that this secondary adds the sulphur section.This method is produced the silicon rubber film of different hot conduction degree.
Type continuously rolled silicon rubber film range of application of the present invention is quite extensive; be applicable to the various uses of heat conduction silicon rubber film; it comprises that plasma scope (PDP), computer cpu (CPU) and semiconductor (IC) chip panel etc. are easy to generate the electronic component or the structure of high temperature; heat radiation, heat-resisting, insulation and disconnected heat effect mainly are provided; the accurate electronic product inside of protection is operating in the execution, makes its overall performance avoid being subjected to high temperature and causes decay and occur unusual.
Method for making of the present invention is to add sulphur and the opening of two sections secondary normal pressures adds the sulphur mode with one section airtight coating, the type continuously rolled silicon rubber film of obtained thickness homogeneous, the high temperature that makes adds sulphur type silicon rubber film, have good thermal diffusivity, flexibility and soft attaching property, can use at the device that is easy to generate high thermal source and textural, the effect of heat radiation is provided; Method for making of the present invention is compared with general traditional method for making, and its method for making is simple and easy and production efficiency is high.
Describe in detail below in conjunction with preferred embodiment and accompanying drawing.
Description of drawings
Fig. 1 is a manufacturing process schematic diagram of the present invention.
The specific embodiment
Consult shown in Figure 1, heat conduction rubber composition of the present invention be contain silicon raw rubber (SiliconePolymer), add the sulphur agent (Crossling king Agent), filler (Filler) and additive (SpecialAdditives);
Silicon rubber is classified according to ASTM-D1418, can be divided into Dimethyl system, MQ-Methylvinyl system, VMQ-Methyl phenylvinyl system, PVMQ system and Fluoro Silicone system (FVMQ) according to its chemical constitution;
Silicon rubber is according to the processing conditions difference, can divide into room temperature and add sulphur type (Room-TemperatureVulcanizing, RTV), high temperature add the sulphur type (High-Temperature Vulcanizing, HTV) and liquid injection molding moulding (Liquid-injection molding, LIM) three kinds of patterns;
The average molecular weight range of silicone rubber resina is 20,000-50, and 000, hardness is at 20-60 Shore A;
Bridging agent is organic peroxide (Organic Peroxide), is divided into high temperature bridge formation type and low temperature bridge formation type organic peroxide;
Filler is aluminium oxide, boron nitride, titanium oxide, precipitated calcium carbonate, silica (Silica) (comprising dry type and wet type), talcum powder, aluminium powder, silicon calcined earth, natural fiber, glass fibre or wetting agent etc.;
Other additives are silicone oil (Silicone Oil), zinc stearate, calcium stearate, zinc oxide, antimony oxide etc.;
The parts by weight ratio of each composition is in the rubber composition: 100 parts of silicone rubber resinas, bridging agent 0.25-5.0 part, filler 20-200 part, other additives and auxiliary agent 5-20 part.
The present invention is a kind of calendering method for making of type continuously rolled silicon rubber film, and its manufacturing process is described below respectively:
Step 1: at first be batching, the parts by weight ratio of each composition is in the rubber composition: 100 parts of silicone rubber resinas, bridging agent 0.25-5.0 part, filler 20-200 part, other additives and auxiliary agent 5-20 part; Following mixingly 10, is that each feedstock composition is inserted in the adding pressure type mixing arrangement, fully mixes, and mixture is evenly disperseed, and in mixing process, melting temperature can not surpass the decomposition temperature of bridging agent, and melting temperature is controlled at 50-100 ℃;
Step 2: secondly form processing procedure 20 for film, will be through the mixed uniformly silastic mixture of adding pressure type mixing arrangement, delivering to coiled continuously at ordinary pressure formula film forming device rolls out continuously, and be wound to simultaneously on the centre position that the hollow cylinder shape adds the sulphur device with the guiding medium layer, operating temperature is a room temperature to 60 ℃, and each wheel speed ratio is 1: 1-1: 1.1;
Step 3: then for adding the wrapping processing procedure 30 of sulphur device, add on the sulphur device at the cylinder shape, cover last layer diameter adds the synthetic rubber film cover of sulphur device external diameter greater than the cylinder shape, and both-side opening is snarled sealing with rope, and the side that the hollow cylinder shape adds the sulphur device is provided with an air bleeding valve;
Step 4: for once adding sulphur bridge formation processing procedure 40, be to be wound to the hollow cylinder shape simultaneously in company with the guiding medium layer and to add continuous heat conduction silicon rubber film on the sulphur device with aforementioned, send into the steam adding pressure type and add heating bridge formation in the sulphur device, its bridge formation temperature is controlled at 120-170 ℃, and pressure is controlled at 3-10kg/cm
2, time of staying 2-4 hour, cooling after adding sulphur and finishing, and together roll out in company with the guiding medium layer;
Step 5: add sulphur heating processing 50 for secondary at last, to add the heat conduction silicon rubber film that the heating of sulphur bl bridge layer is built bridge through the steam adding pressure type, roll out in company with the guiding medium layer, and bring continuous open hot-air into and add in the sulphur device and heat, add the sulphur temperature and be controlled at 100-180 ℃, add the sulphur time to be controlled at 30-120 minute, cooling after adding sulphur and finishing, and will guide medium layer and heat conduction silicon rubber film and separate and roll out, promptly form type continuously rolled heat conduction silicon rubber film.
Embodiment 1
The method for making of type continuously rolled silicon rubber film, the parts by weight of the employed composition of present embodiment are 100 parts in silicon rubber, 0.35 part of peroxide, 3 parts of silicone oil, 150 parts in aluminium oxide, 2 parts of releasing agents.
Its processing conditions is with reference to shown in the subordinate list 1, and process comprises with kneading device mixing, and through film output device output, adds sulphur after add the airtight secondary that adds under sulphur and the normal pressure hot-air of sulphur device pressurization, makes the film goods of 2.0 millimeters of thickness; Measure its expansion ratio transitivity then respectively, as hardness, proportion, tensile strength, percentage elongation, tearing strength, the coefficient of heat conduction, its measurement result is as shown in subordinate list 2.
Above-mentioned rerum natura detects according to following method carries out:
(1-1) wooden Buddhist nun's viscosity: according to the ASTMD1646-61 standard testing.
(1-2) add the sulphur time: according to the ASTMD1646-61 standard testing.
(1-3) gross thickness: with the thickness instrumentation amount of precision 0.1 * 10mm.
(1-4) proportion: according to the JISK6350 standard testing.
(1-5) hardness: shore hardness Shore A is according to the JISK6301 standard testing.
(1-6) tensile strength: according to the ASTMD412 standard testing.
(1-7) percentage elongation: according to the ASTMD412 standard testing.
(1-8) tearing strength: according to the ASTMD624 standard testing.
(1-9) heat-conduction value: according to the ASTMD5470 standard testing.
Embodiment 2
Present embodiment 2 employed composition weight umbers are 100 parts in silicon rubber, 0.45 part of low temperature peroxide, 0.25 part of high temperature peroxide, 100 parts in aluminium oxide.
Its processing conditions is with reference to shown in the subordinate list 1, and process is for mixing with kneading device, and through film output device output, adds sulphur after add the airtight secondary that adds under sulphur and the normal pressure hot-air of sulphur device pressurization, makes thickness and be 1.8 millimeters film.
Embodiment 3
The parts by weight of present embodiment 3 employed compositions are 100 parts in silicon rubber, 0.25 part of peroxide, 10 parts of silicone oil, 100 parts of boron nitride.Its processing conditions is with reference to shown in the subordinate list 1, and process is for mixing with kneading device, and through film output device output, adds sulphur after add the airtight secondary that adds under sulphur and the normal pressure hot-air of sulphur device pressurization, makes thickness and be 1.2 millimeters film.
Embodiment 4-6
The employed composition of present embodiment 4-6 is 100 parts in a silicon rubber, 0.25 part of peroxide, 7 parts of silicone oil, 3 parts of removers.Shown in its processing conditions reference table 1, process is for mixing with kneading device, and,, make the film goods that thickness is respectively 1.6,0.8 and 0.2 millimeters after add that the pressurization of sulphur device is airtight to be added two under sulphur and the normal pressure hot-air and blow and add sulphur through film output device output.
The processing procedure of table 1 silicon rubber film and processing conditions
| Embodiment | 1 | 2 | 3 | 4 | 5 | 6 |
| Add sulphur time T S2 (annotating 1) | 0-15 | 1-30 | 0-21 | 0-21 | 0-21 | 0-21 |
| Add sulphur time T C90 (annotating 2) | 0-30 | 2-10 | 0-40 | 0-40 | 0-40 | 0-40 |
| Melting temperature ℃ | Room temperature | Room temperature | Room temperature | Room temperature | Room temperature | Room temperature |
| Mixing time (min) | 60 | 60 | 60 | 60 | 60 | 60 |
| Unit temp ℃ | 55 | 55 | 55 | 55 | 55 | 55 |
| The device speed ratio | 1∶1.1 | 1∶1.1 | 1∶1.1 | 1∶1.1 | 1∶1.1 | 1∶1.1 |
| Add sulphur temperature ℃ | 150 | 150 | 150 | 150 | 150 | 150 |
| Add sulphur pressure kg/cm 2 | 3 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| Add the sulphur time (minute) | 240 | 240 | 240 | 240 | 240 | 240 |
| Secondary adds sulphur temperature ℃ | 200 | 200 | 200 | 200 | 180 | 180 |
| Secondary add the sulphur time (minute) | 40 | 40 | 40 | 40 | 60 | 60 |
Annotate 1: add sulphur time T S2 (minute) definition: reach 2% of counter balance torque need time.
Annotate 2: add sulphur time K90 (minute) definition: reach 90% of counter balance torque need time.
The rerum natura of table 2 silicon rubber film
| Embodiment | 1 | 2 | 3 | 4 | 5 | 6 |
| Thickness mm | 2.0 | 1.8 | 1.2 | 1.6 | 0.8 | 0.2 |
| Width cm | 100 | 120 | 150 | 1 60 | 140 | 1 20 |
| Proportion | 1.83 | 1.50 | 1.10 | 1.10 | 1.20 | 1.20 |
| Hardness ShoreA | 30 | 37 | 10 | 27 | 25 | 28 |
| Tensile strength kgf/cm 2 | 16.5 | 29.2 | 18.5 | 50 | 48 | 45 |
| Percentage elongation % | 3 50 | 380 | 430 | 490 | 430 | 350 |
| Tearing strength kgf/cm | 9.50 | 2.16 | 18 | 21 | 23 | 16.5 |
| Heat-conduction value W/m-k | 1.0 | 1.6 | 3.5 | - | - | - |
In sum, the invention relates to a kind of method for making of silicon rubber film coil, it can be made, and continuous web-like HTV type silicone rubber formulations is formed and the heat radiation film of thickness homogeneous, film with high and low heat conducting and radiating effect purposes, normal pressure rolling rolling process method for making of the present invention, can make the silicon rubber film that fabric width is 160cm, and film performance and thickness homogeneous, simple and easy, the advantage of high production efficiency of method for making had simultaneously.So the present invention has novelty, creativeness and practicality.
The above is preferred embodiment of the present invention only, is not to be used for limiting protection scope of the present invention, and all equalizations of doing according to shape of the present invention, structure, feature and spirit change and modify, and all should be included within protection scope of the present invention.
Claims (26)
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| CNB011234628A CN100357088C (en) | 2001-07-25 | 2001-07-25 | Preparation method of roll-type silicone rubber film |
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| CNB011234628A CN100357088C (en) | 2001-07-25 | 2001-07-25 | Preparation method of roll-type silicone rubber film |
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| CN1398714A CN1398714A (en) | 2003-02-26 |
| CN100357088C true CN100357088C (en) | 2007-12-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US8242181B2 (en) | 2007-10-12 | 2012-08-14 | Dow Corning Corporation | Aluminum oxide dispersion and method of preparing same |
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|---|---|---|---|---|
| JP5227801B2 (en) | 2006-10-31 | 2013-07-03 | 電気化学工業株式会社 | Alumina powder, production method thereof, and use thereof |
| CN101274986B (en) * | 2008-05-10 | 2010-10-13 | 江苏强盛化工有限公司 | Method for using organic amine as organic peroxide sulfuration accessory ingredient |
| CN101274995B (en) * | 2008-05-10 | 2011-02-02 | 江苏强盛化工有限公司 | Composite sulfuration improver, preparation thereof and application thereof |
| CN101445623B (en) * | 2008-12-26 | 2012-07-04 | 大连高科阻燃橡胶有限公司 | Nonpoisonous flame-retardant rubber composition, preparation method therefor and product thereof |
| CN101973128B (en) * | 2010-09-17 | 2012-12-12 | 苏州金禾新材料股份有限公司 | Production process of spiral-wound silicon rubber membrane |
| CN102179979A (en) * | 2011-03-09 | 2011-09-14 | 苏州金禾新材料股份有限公司 | Roll type rubber polyester composite film and production process thereof |
| CN103350477B (en) * | 2013-06-14 | 2015-05-06 | 苏州金禾新材料股份有限公司 | Method for producing rolled silicone rubber film through unsupported calendering |
| CN104943287A (en) * | 2015-07-02 | 2015-09-30 | 上海茂霖高分子科技股份有限公司 | Heat-conduction silicone rubber sheet and production method thereof |
| CN106750702A (en) * | 2016-12-01 | 2017-05-31 | 陕西日日新生物科技有限公司 | A kind of preparation method of flame retardant plastics film |
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| US5925709A (en) * | 1996-08-29 | 1999-07-20 | Shin-Etsu Chemical Co., Ltd. | Method for the preparation of silicone rubber |
| CN1247815A (en) * | 1998-09-16 | 2000-03-22 | 中国科学院金属研究所 | Sandwiched damping board for chassis of bus |
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| US4657965A (en) * | 1984-10-22 | 1987-04-14 | Toshiba Silicone Co., Ltd. | Silicone elastomer composition |
| US5925709A (en) * | 1996-08-29 | 1999-07-20 | Shin-Etsu Chemical Co., Ltd. | Method for the preparation of silicone rubber |
| CN1247815A (en) * | 1998-09-16 | 2000-03-22 | 中国科学院金属研究所 | Sandwiched damping board for chassis of bus |
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| US8242181B2 (en) | 2007-10-12 | 2012-08-14 | Dow Corning Corporation | Aluminum oxide dispersion and method of preparing same |
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| CN1398714A (en) | 2003-02-26 |
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