CN108456327A - It is coated with the EPDM rubber sheet material and its preparation process of aerosil coating - Google Patents
It is coated with the EPDM rubber sheet material and its preparation process of aerosil coating Download PDFInfo
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- CN108456327A CN108456327A CN201810192175.5A CN201810192175A CN108456327A CN 108456327 A CN108456327 A CN 108456327A CN 201810192175 A CN201810192175 A CN 201810192175A CN 108456327 A CN108456327 A CN 108456327A
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- coating
- rubber sheet
- sheet material
- epdm rubber
- aerosil
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 238000000576 coating method Methods 0.000 title claims abstract description 81
- 239000011248 coating agent Substances 0.000 title claims abstract description 80
- 239000000463 material Substances 0.000 title claims abstract description 70
- 229910002012 Aerosil® Inorganic materials 0.000 title claims abstract description 57
- 229920002943 EPDM rubber Polymers 0.000 title claims abstract description 53
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 238000001035 drying Methods 0.000 claims abstract description 31
- 239000006260 foam Substances 0.000 claims abstract description 12
- 238000000465 moulding Methods 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000004806 packaging method and process Methods 0.000 claims abstract description 5
- 230000010287 polarization Effects 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims abstract description 3
- 238000010422 painting Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000002356 single layer Substances 0.000 claims description 3
- 239000004965 Silica aerogel Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 8
- 238000013016 damping Methods 0.000 abstract description 7
- 238000004321 preservation Methods 0.000 abstract description 7
- 230000032683 aging Effects 0.000 abstract description 6
- 239000000377 silicon dioxide Substances 0.000 description 15
- 239000007789 gas Substances 0.000 description 12
- 239000010410 layer Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 7
- 229920001897 terpolymer Polymers 0.000 description 7
- 239000004964 aerogel Substances 0.000 description 6
- 229910052681 coesite Inorganic materials 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 229910052906 cristobalite Inorganic materials 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 229910052682 stishovite Inorganic materials 0.000 description 4
- 229910052905 tridymite Inorganic materials 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 241000790917 Dioxys <bee> Species 0.000 description 2
- 229910003978 SiClx Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004377 microelectronic Methods 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 206010000269 abscess Diseases 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
- C08J9/365—Coating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
- C08J2201/038—Use of an inorganic compound to impregnate, bind or coat a foam, e.g. waterglass
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/16—Ethene-propene or ethene-propene-diene copolymers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of the EPDM rubber sheet material and its preparation process of coating aerosil coating, which includes：EPDM rubber sheet material and aerosil coating are coated with aerosil coating in at least one side of the EPDM rubber sheet material.Its preparation process includes the following steps：（1）The surface preparation of EPDM rubber sheet material：The EPDM rubber sheet material of closed-cell foam is placed on automatic production line, EPDM rubber sheet surface cleaning showers, drying, surface corona polarization；（2）The airless spraying aerosil insulating moulding coating in at least one side of pretreated EPDM rubber sheet material, obtains aerosil coating, dries, and examines, offline, and packaging is delivered to customer.The sheet material of the present invention has the performances such as superior heat preservation, sealing, heat-insulated ageing-resistant, vibration damping.
Description
Technical field
The present invention relates to EPDM rubber sheet material fields, more particularly to a kind of EPDM of coating aerosil coating
Rubber sheet and its preparation process.
Background technology
The heat preservation such as the small space component of automobile, air-conditioning, thermal cell, electronic device, high temperature, small sized pipeline, microelectronic component,
Sealing, heat-insulated ageing-resistant, vibration damping engineer application, the cold and hot pipeline docking in space etc., the implementation most close with the present invention：Have
Use asbestos plate washer, some plain rubber slab sealing rings of use, these is unable to bear vibration, aging at temperature, position are missed
Difference install greatly it is not in place cause using effect general, race emit leakage noise phenomenon it is multiple.
Invention content
The invention mainly solves the technical problem of providing a kind of EPDM rubber pieces of coating aerosil coating
Material and its preparation process, this sheet material have the performances such as superior heat preservation, sealing, heat-insulated ageing-resistant, vibration damping.
In order to solve the above technical problems, one aspect of the present invention is：A kind of coating silica gas is provided
The EPDM rubber sheet material of gel coat, including：EPDM rubber sheet material and aerosil coating, the EPDM rubber piece
Aerosil coating is coated in at least one side of material.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of coating silica is provided
The preparation process of the EPDM rubber sheet material of airsetting gel coating, includes the following steps：
（1）The surface preparation of EPDM rubber sheet material：The EPDM rubber sheet material of closed-cell foam is placed on automatic production line,
EPDM rubber sheet surface cleaning showers, drying, surface corona polarization；
（2）Airless spraying aerosil insulating moulding coating, obtains in at least one side of pretreated EPDM rubber sheet material
Aerosil coating is dried, and is examined, offline, and packaging is delivered to customer.
In a preferred embodiment of the present invention, step（1）Middle drying temperature is 70 ~ 90 DEG C.
In a preferred embodiment of the present invention, step（2）Middle drying temperature is 70 ~ 90 DEG C, 70 ~ 90min of drying time.
In a preferred embodiment of the present invention, the case where needing to thicken coating, in step（2）Aerosil
Airless spraying aerosil coating is repeatedly recycled after coated and dried, until reaching the thickness of demand.
In a preferred embodiment of the present invention, the thickness in monolayer control of obtained aerosil coating is brushed every time
System is in 0.5mm.
In a preferred embodiment of the present invention, it needs to make under acid-base solution, humid air, environment of high temperature gas for a long time
With in step（2）Aerosil coated and dried after, aerosil coating surface adds painting protective topcoat, dry
It is dry.
In a preferred embodiment of the present invention, drying temperature is 70 ~ 90 DEG C, 25 ~ 35min of drying time.
Aeroge be one kind by the molecular solid material of nanoparticle, density is extremely low, and aeroge density most light at present is small
In air, so be otherwise known as " cigarette freezed " or " blue smoke ". SiO2Aeroge has small particle, low-density, high-specific surface area
And the features such as high porosity, microcosmos network skeleton and gap generally all enter nanometer scope.Aeroge because its it is superior every
Heat, fire prevention, sound insulation, high adsorption and good optical property, can be widely applied to aerospace, industry, building, medicine and its
Its field has vast application prospect.
The insulating mechanism of aerogel material：
Heat is spread in a manner of 3 kinds of heat transfer, convection current heat transfer and radiant heat transfer etc. in the medium.Propagation of the heat in aeroge
It is realized also by this 3 kinds of modes：（1）Heat transfer.Aeroge density is very small, have high porosity, aeroge these
Design feature has spun out heat in the path that material internal is propagated significantly, effectively reduces the efficiency of calorie spread, makes solid state heat
Conductivity is only 0.2% or so of homogeneous material thermal conductivity；（2）Convection current is conducted heat.The colloidal particle size of aeroge is 3 ~ 20nm,
And air molecule mean free path is in 70nm or so, air molecule does not have enough freely activities empty inside aerogel material
Between, thus, without cross-ventilation in aerogel pores, convection current pyroconductivity is very low；（3）Radiant heat transfer.The heat radiation of aeroge
Belong to the infrared emanation in 3 ~ 5 μm of regions, infrared wavelength range is 0.7 ~ 14 μm, and therefore, aerogel material centering is infrared
Light radiation has the preferable effect of liquidating, and because the porous network structure of aeroge forms obstacle layer by layer to heat radiation, shows
Efficiency is blocked to the height of heat radiation, therefore aeroge has lower radiant heat conductanc.The heat conduction efficiency of aerogel material, convection current
Heat transfer efficiency and radiant heat transfer efficiency are obtained for effective limitation, so, aeroge has low-down thermal coefficient, normal
It is 0.01 ~ 0.03W/ (m K) under normal temperature and pressure, is the current minimum solid material of thermal coefficient in the world.
Aerosil：
SiO2Aeroge has such as three-dimensional nanoparticles skeleton, high-specific surface area due to it（1000m2/g）, nanoscale hole hole,
Low-density（0.003~0.15g/cm3）Etc. special microstructure, aerosil porosity is up to 99.8%, and density can
Down to 3kg m-3, thermal conductivity is extremely low（≤0.012W/K•m）, than the thermal conductivity of still air（0.026W/K•m）It is also low, in calorifics
The nano-porous structure of aspect, aeroge can effectively inhibit the gentle body heat transfer of solid-state heat transfer, have excellent insulative properties,
It is the minimum solid-state material of thermal conductivity generally acknowledged at present（Thermal coefficient is 0.01 ~ 0.03W/mK under room temperature）, it is a kind of novel
Effectively insulating heat insulation-type new material.Aerosil can steady operation at high temperature, maximum operation (service) temperature up to 1000 DEG C,
It is not decomposed under high temperature, no pernicious gas is released, and environmental type material is belonged to.The composite wood being made of nano-stephanoporate silicon dioxide
Material is a kind of new and effective with high porosity and specific surface area, extremely low density, extremely low thermal conductivity and low-refraction
Heat-insulated heat insulation-type new material.
Aerosil insulating moulding coating：
It is with SiO2Aeroge is main stuffing, is uniformly dispersed using suitable stabilizer and slurry is made, and selection has
Targetedly film forming agent is mixed with other auxiliary agents.Thermal coefficient 0.025（25℃）（W/m.k), density 560 ± 20
（kg/m³）, solid content 30%, Applicable temperature -30 ~ 150（℃）.SiO2Aerogel heat-proof coating is utilized that aeroge is unique to be received
Rice structure, thus there is significant heat insulation.Meanwhile it is excellent as every traditional performance such as coating its film forming, adhesiveness
It is good, open aeroge high-temperature coatings field new page.
The ethylene propylene terpolymer sheet of EPDM rubber sheet material, that is, closed-cell foam of closed-cell foam has completely separated independence
Its characteristic of abscess due to containing large quantity of air or other gases inside expanded material closed pore, and should not circulate, and material can obviously subtract
The slow conduction to heat, the thermal coefficient with pole root, the flexibility of more bond material itself and good resilience.It is a kind of
With heat preservation, sealing, heat-proof quality material.
Traditional insulating moulding coating utilizes heat reflection principle, film thermal coefficient to be generally higher than air.The film of the present invention exists
In the case of thickness 1mm 100 DEG C of heat source outer surface temperature can control at 50 DEG C hereinafter, heat-proof quality is presently commercially available coating
One times or more.
The beneficial effects of the invention are as follows：
1, sheet material of the invention is the surface airless spraying aerosil in the ethylene propylene terpolymer sheet of closed-cell foam
Insulating moulding coating forms the heat-insulated film layer of layer of surface, this sheet material after aerosil insulating moulding coating after sheet surface solidification
With performances such as superior heat preservation, sealing, heat-insulated ageing-resistant, vibration dampings.
2, the compound EPDM rubber sheet material of inventive silica airsetting gel coating can be widely applied for automobile, air-conditioning, heat
The heat preservation such as the small space component of battery, electronic device, high temperature, small sized pipeline, microelectronic component, sealing, heat-insulated ageing-resistant, vibration damping
Engineer application.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, wherein：
Fig. 1 is the structural schematic diagram of one preferred embodiment of EPDM rubber sheet material of present invention coating aerosil coating；
Fig. 2 is the structural representation of another preferred embodiment of EPDM rubber sheet material of present invention coating aerosil coating
Figure；
The label of each component is as follows in attached drawing：1, aerosil coating, 2, EPDM rubber sheet material.
Specific implementation mode
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
All other embodiment that technical staff is obtained without making creative work belongs to the model that the present invention protects
It encloses.
Referring to Fig. 1, the embodiment of the present invention 1 includes：
A kind of EPDM rubber sheet material of coating aerosil coating, including：EPDM rubber sheet material 2 and silica airsetting
Gel coating 1 is coated with aerosil coating 1 in the one side of the EPDM rubber sheet material 2.
The preparation process of the EPDM rubber sheet material of the coating aerosil coating, specifically includes following step
Suddenly：
（1）The surface preparation of EPDM rubber sheet material 2：The EPDM rubber sheet material 2 of closed-cell foam is placed on automatic production line,
2 surface spraying of EPDM rubber sheet material cleans, drying, and surface corona polarization, preferred drying temperature is 70 DEG C, 80 DEG C or 90 DEG C；
（2）Airless spraying aerosil insulating moulding coating, obtains dioxy in the one side of pretreated EPDM rubber sheet material
SiClx airsetting gel coating 1 is dried, and is examined, offline, and packaging is delivered to customer, and preferred drying temperature is 70 DEG C, 80 DEG C or 90 DEG C,
70 min of preferred drying time, 80 min or 90min.
The case where needing to thicken coating, in step（2）Aerosil coated and dried after repeatedly recycle no gas blowout
Aerosil coating is applied, until reaching the thickness of demand, brushes the list of obtained aerosil coating every time
Layer thickness controls in 0.5mm.
It needs to use under acid-base solution, humid air, environment of high temperature gas for a long time, in step（2）Silica gas
Gel coat drying after, aerosil coating surface adds painting protective topcoat, drying, preferred drying temperature be 70 DEG C,
80 DEG C or 90 DEG C, 25 min of preferred drying time, 30 min or 35min.
Referring to Fig. 2, the embodiment of the present invention 2 includes：
A kind of EPDM rubber sheet material of coating aerosil coating, including：EPDM rubber sheet material 2 and silica airsetting
Gel coating 1 has been coated with aerosil coating 1 on the two sides of the EPDM rubber sheet material 2.
The preparation process of the EPDM rubber sheet material of the coating aerosil coating, specifically includes following step
Suddenly：
（1）The surface preparation of EPDM rubber sheet material 2：The EPDM rubber sheet material 2 of closed-cell foam is placed on automatic production line,
2 surface spraying of EPDM rubber sheet material cleans, drying, and surface corona polarization, preferred drying temperature is 70 DEG C, 80 DEG C or 90 DEG C；
（2）Airless spraying aerosil insulating moulding coating, obtains dioxy on the two sides of pretreated EPDM rubber sheet material
SiClx airsetting gel coating 1, drying is offline, and packaging is delivered to customer, and preferred drying temperature is 70 DEG C, 80 DEG C or 90 DEG C, preferably
70 min of drying time, 80 min or 90min.
The case where needing to thicken coating, in step（2）Aerosil coated and dried after repeatedly recycle no gas blowout
Aerosil coating 1 is applied, until reaching the thickness of demand, brushes obtained aerosil coating 1 every time
Thickness in monolayer controls in 0.5mm.
It needs to use under acid-base solution, humid air, environment of high temperature gas for a long time, in step（2）Silica gas
Gel coat drying after, aerosil coating surface adds painting protective topcoat, drying, preferred drying temperature be 70 DEG C,
80 DEG C or 90 DEG C, 25 min of preferred drying time, 30 min or 35min.
The present invention is coated with the EPDM rubber sheet material of aerosil coating and its advantageous effect of preparation process：
1, sheet material of the invention is the surface airless spraying aerosil in the ethylene propylene terpolymer sheet of closed-cell foam
Insulating moulding coating forms the heat-insulated film layer of layer of surface after aerosil insulating moulding coating after sheet surface solidification；Titanium dioxide
The unique nanostructure of aeroge is utilized in the heat-insulated film layer that silica aerogel insulating moulding coating is formed, thus with significant heat-insulated effect
Fruit；The present invention is the adverse effect for weakening temperature significantly to the ethylene propylene terpolymer sheet of closed-cell foam so that closed-cell foam
The consistency of performance of ethylene propylene terpolymer sheet is effectively kept so that this sheet material has superior heat preservation, seals, is heat-insulated resistance to old
The performances such as change, vibration damping.
2, the compound EPDM rubber sheet material of inventive silica airsetting gel coating has the performance of the low water suction of more longlasting sealing,
Expanded closed-cell spaced apart from each other is not substantially affected by the high temperature, is not in the relaxation of expanded closed-cell wall stress（Including molecule segment
Stress relaxation and cause because of gas diffusion gas pressure decline caused by the aspect of relaxation two）, seal more reliable so that
Rainwater leakage phenomenon is eliminated.
3, the compound EPDM rubber sheet material of inventive silica airsetting gel coating has excellent heat-insulated resistance to mild weatherability,
Aerosil coating weakens adverse effect of the temperature to the ethylene propylene terpolymer sheet of closed-cell foam significantly so that closed pore
The consistency of performance of the ethylene propylene terpolymer sheet of foaming is effectively kept.
4, the compound heat-insulated heat resistance of EPDM rubber sheet material of inventive silica airsetting gel coating is good, makes it that must have more
Excellent rebound characteristics are more suitable for buffering under insulation, vibration damping and the engineering applications application such as shockproof.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (8)
1. a kind of EPDM rubber sheet material of coating aerosil coating, which is characterized in that including：EPDM rubber sheet material and
Aerosil coating is coated with aerosil coating in at least one side of the EPDM rubber sheet material.
2. the preparation process of the EPDM rubber sheet material of coating aerosil coating according to claim 1, special
Sign is, includes the following steps：
（1）The surface preparation of EPDM rubber sheet material：The EPDM rubber sheet material of closed-cell foam is placed on automatic production line,
EPDM rubber sheet surface cleaning showers, drying, surface corona polarization；
（2）Airless spraying aerosil insulating moulding coating, obtains in at least one side of pretreated EPDM rubber sheet material
Aerosil coating is dried, and is examined, offline, and packaging is delivered to customer.
3. preparation process according to claim 1, which is characterized in that step（1）Middle drying temperature is 70 ~ 90 DEG C.
4. preparation process according to claim 1, which is characterized in that step（2）Middle drying temperature is 70 ~ 90 DEG C, drying
70 ~ 90min of time.
5. preparation process according to claim 1, which is characterized in that the case where needing to thicken coating, in step（2）Two
Airless spraying aerosil coating is repeatedly recycled after silica aerogel coated and dried, until reaching the thickness of demand.
6. preparation process according to claim 5, which is characterized in that brush obtained aerosil coating every time
Thickness in monolayer control in 0.5mm.
7. preparation process according to claim 1, which is characterized in that need for a long time in acid-base solution, humid air, high temperature
It is used under gaseous environment, in step（2）Aerosil coated and dried after, aerosil coating surface adds painting
Protective topcoat, drying.
8. preparation process according to claim 7, which is characterized in that drying temperature is 70 ~ 90 DEG C, drying time 25 ~
35min。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810192175.5A CN108456327A (en) | 2018-03-09 | 2018-03-09 | It is coated with the EPDM rubber sheet material and its preparation process of aerosil coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810192175.5A CN108456327A (en) | 2018-03-09 | 2018-03-09 | It is coated with the EPDM rubber sheet material and its preparation process of aerosil coating |
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| CN108456327A true CN108456327A (en) | 2018-08-28 |
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| CN201810192175.5A Pending CN108456327A (en) | 2018-03-09 | 2018-03-09 | It is coated with the EPDM rubber sheet material and its preparation process of aerosil coating |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110527134A (en) * | 2019-08-23 | 2019-12-03 | 张昌录 | It is coated with the rubber sheet and its preparation process of aerosil coating |
| CN114015101A (en) * | 2022-01-06 | 2022-02-08 | 中建材科创新技术研究院(山东)有限公司 | Ocean engineering pipeline prepared based on aerogel coating and preparation method thereof |
| CN114559727A (en) * | 2022-01-05 | 2022-05-31 | 武汉市天将技术有限公司 | Composite material for air-drop water bag and preparation method thereof |
| CN115748242A (en) * | 2022-11-04 | 2023-03-07 | 河北科技大学 | Preparation method of aerogel-based flexible heat-preservation and heat-insulation chip |
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Application publication date: 20180828 |