CN109111849A - A kind of ice-covering-proof coating and preparation method thereof - Google Patents
A kind of ice-covering-proof coating and preparation method thereof Download PDFInfo
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- CN109111849A CN109111849A CN201710492388.5A CN201710492388A CN109111849A CN 109111849 A CN109111849 A CN 109111849A CN 201710492388 A CN201710492388 A CN 201710492388A CN 109111849 A CN109111849 A CN 109111849A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
- C09D183/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/38—Polysiloxanes modified by chemical after-treatment
- C08G77/382—Polysiloxanes modified by chemical after-treatment containing atoms other than carbon, hydrogen, oxygen or silicon
- C08G77/385—Polysiloxanes modified by chemical after-treatment containing atoms other than carbon, hydrogen, oxygen or silicon containing halogens
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
- C08G77/46—Block-or graft-polymers containing polysiloxane sequences containing polyether sequences
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/10—Block or graft copolymers containing polysiloxane sequences
- C09D183/12—Block or graft copolymers containing polysiloxane sequences containing polyether sequences
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
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- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
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Abstract
The present invention provides a kind of ice-covering-proof coating and preparation method thereof, by the way that silicon rubber, fluorochemical monomer, bridging agent and catalyst are mixed, crosslink reaction, fluorine-containing side chain is introduced on silicon rubber, fluorinated polysiloxane is made, then passes through adding liquid paraffin, heating, silicon gel is prepared, final curing obtains the ice-covering-proof coating for the ice addisive strength for having low.Preparation process of the present invention is simple, easily operated and popularization, by introducing the ice addisive strength for having low-surface-energy, low temperature resistant, corrosion resistant fluorinated polysiloxane to reduce prepared ice-covering-proof coating in ice-covering-proof coating, increase the service life under low temperature simultaneously, and further decreases the surface tension of ice-covering-proof coating by the way that a certain proportion of atoleine with lubricating action is added.Present invention can apply to the aircraft equipments of air conditioner refrigerating shell, transmission line of electricity, fan blade and aircraft etc..
Description
Technical field
The present invention relates to field of compound material, specifically, a kind of ice-covering-proof coating and preparation method thereof.
Background technique
China has a vast territory, awful weather, and ice and snow weather happens occasionally.Ice and snow is in refrigeration equipment, transmission line of electricity, rail
The continuous accumulation on the surfaces such as road, aircraft equipment can frequently result in refrigeration equipment damage, transmission line of electricity interrupts, railway transportation is obstructed
Deng not only making work efficiency drop, having an effect on people normally produces and live, and the life wealth of people can be also threatened when serious
Produce safety.Therefore, research ice-covering-proof coating has very great economy and society meaning.
Currently, there are two types of general for the Research Thinking of ice-covering-proof coating both at home and abroad: being applied first is that being improved using heat source
The temperature for covering object surface, prevents supercooling from freezing；Second is that reduce the binding force between ice and substrate to the greatest extent, make it easier to fall off and
It removes.Such scheme exists in the prior art: the side mixed by using inorganic material and the hydrophilic polyelectrolyte of crosslinking
Method prepares a kind of anti-icing paint with low adhesion strength, delays to freeze by reducing the freezing point of water, however is crossing low temperature
Under degree, icing phenomenon is still serious, or even is difficult to remove.
The prior art or scheme mostly pass through the adhesion strength for reducing ice and substrate, and preparing, there is the surface of low adhesion strength to change
Be apt to ice-covering-proof effect, but the ice-covering-proof coating of these technologies or scheme preparation or at low temperature deicing it is ineffective or
Poor mechanical property needs to brush every year, and time-consuming and laborious and ineffective, service life is also short.
Summary of the invention
For the problems in the relevant technologies, the present invention has studied a kind of ice-covering-proof coating and preparation method thereof, to provide one
Kind has low adhesion strength and ice-covering-proof coating with long service life at low temperature.
According to an aspect of the present invention, the present invention provides a kind of preparation methods of ice-covering-proof coating, comprising: by silicon rubber
Glue, fluorochemical monomer, crosslinking agent or coupling agent are uniformly mixed with catalyst, obtain fluorinated polysiloxane；Into fluorinated polysiloxane
Atoleine is added, is uniformly mixed, heating obtains silicon gel；Ice-covering-proof coating is made in cured silicone gel.
In the above preparation method, the bridging agent is crosslinking agent or coupling agent.
In the above preparation method, silicon rubber, fluorochemical monomer, bridging agent and catalyst quality ratio be 80~120:70~
The mass ratio of 90:10~20:3~7, atoleine and fluorinated polysiloxane is 0.5~1.5:8~12.
In the above preparation method, silicon rubber is alkyl dimethyl silicone polymer.
In the above preparation method, fluorochemical monomer is one or both of perfluoroparaffin cardinal extremity alkene, perfluoropolyether cardinal extremity alkene.
In the above preparation method, crosslinking agent is one or both of ethyl orthosilicate, butyl titanate.
In the above preparation method, coupling agent is ten difluoro heptyl propyl trimethoxy silicanes, ten trifluoro octyl trimethoxies
One or both of base silane.
In the above preparation method, catalyst is acid dibutyl tin, in stannous octoate, dibutyl tin dilaurate
One or more combinations.
In the above preparation method, the stirring in 700~1000r/min by silicon rubber, fluorochemical monomer, bridging agent and catalyst
20~40min of stirring under rate is mixed, is uniformly mixed, reaction obtains fluorinated polysiloxane.
In the above preparation method, atoleine is added into fluorinated polysiloxane, in the stirring speed of 600~800r/min
25~30min is stirred under rate, is uniformly mixed.
In the above preparation method, the process conditions of heating are at a temperature of 40~60min of heating at 80~120 DEG C, are obtained
To silicon gel.
In the above preparation method, by silicon gel at a temperature of 65~80 DEG C, solidify 24~30h, be subsequently cooled to
Ice-covering-proof coating is made in room temperature.
According to another aspect of the present invention, the present invention provides a kind of ice-covering-proof coatings prepared according to the above method.
Ice-covering-proof coating provided by the invention and preparation method thereof introduces fluorine-containing side by cross-linking reaction on silicon rubber
Fluorinated polysiloxane is made in chain, then by adding liquid paraffin, heating is made low adhesion strength silicon gel, obtains after solidification
Ice-covering-proof coating.Preparation process of the present invention is simple, easily operated and popularization, and by introducing in ice-covering-proof coating with low
Surface energy, low temperature resistant, corrosion resistant fluorinated polysiloxane is strong to improve the ice adherency of prepared ice-covering-proof coating at low temperature
Degree and service life.Present invention can apply to air conditioner refrigerating shells, reduce the aggregation of surface frost, improve operation of air conditioner efficiency；This
Invention applies also for transmission line of electricity and fan blade, improves generating efficiency, reduces power consumption；In addition, the present invention may be used also
It applied to the aircraft equipment of such as aircraft etc., can assign opportunity of combat round-the-clock complex environment fight capability, improve airborne combat efficiency.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the process flow chart of preparation ice-covering-proof coating according to an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
The preparation method of ice-covering-proof coating provided by the invention, comprising the following steps:
As shown in the step S101 of Fig. 1, silicon rubber, fluorochemical monomer, crosslinking agent or coupling agent are uniformly mixed with catalyst,
Obtain fluorinated polysiloxane.It in this step, is 80~120:70~90:10~20:3~7 by mass ratio, it is preferable that quality
For than for 90~110:70~80:15~20:4~6, wherein optimal mass ratio is silicon rubber, the fluorine-containing list of 20:16:3:1
Body, crosslinking agent or coupling agent are mixed with catalyst, and 20~40min is stirred under the stirring rate of 700~1000r/min, are mixed
It closes uniformly, obtains fluorinated polysiloxane.Wherein, silicon rubber is alkyl dimethyl silicone polymer, and fluorochemical monomer is perfluoroparaffin cardinal extremity
The one or two of alkene, perfluoropolyether cardinal extremity alkene, crosslinking agent are the one or two of ethyl orthosilicate, butyl titanate, coupling agent
For the one or two of ten difluoro heptyl propyl trimethoxy silicanes, ten trifluoro octyl trimethoxy silanes, catalyst is two fourths
One of base dilaurate tin, stannous octoate, dibutyl tin dilaurate or a variety of combinations.In this step, pass through friendship
Connection agent or coupling agent and catalyst crosslink silicon rubber with fluorochemical monomer to react, to introduce fluorine-containing side on silicon rubber
Chain is formed using Si -- O -- chain as main chain ,-CF2—、—CF3For the fluorinated polysiloxane of side chain, wherein Si-O- polysiloxanes master
Chain is extremely submissive, and the organic fluorine chain property of-CF2-,-CF3 is stable and surface tension is extremely low, therefore, obtained fluorine-containing poly-
Siloxanes has the excellent properties such as low temperature resistant, corrosion-resistant and surface tension is low.
As shown in the step S102 of Fig. 1, atoleine is added into fluorinated polysiloxane, is uniformly mixed, heating is had
Machine Silica hydrogel.It in this step, is in mass ratio 0.5~1.5:8~12 by atoleine and fluorinated polysiloxane, it is preferable that
It is in mass ratio 1~1.5:9~11, wherein optimal mass ratio is 1:10 mixing, and in the stirring rate of 600~800r/min
25~30min of lower stirring, be uniformly mixed, then 80~120 DEG C at a temperature of heat 40~60min, it is preferable that at 100 DEG C
At a temperature of heat 50min, obtain silicon gel.In this step, the addition of a certain proportion of atoleine can enhance and have
The lubricity of machine Silica hydrogel, so that the ice addisive strength of ice-covering-proof coating is further decreased, and the addition of excessive atoleine
It is unfavorable for the combination of the coating and matrix surface, may result in coating and easily peel off, shortens the service life of coating.
As shown in the step S103 of Fig. 1, ice-covering-proof coating is made in cured silicone gel.In this step, by organosilicon
Gel solidifies 24~30h, then cools to room temperature at a temperature of 65~80 DEG C, and ice-covering-proof coating is made.
Contact angle, ice addisive strength and icing/deicing loop test are carried out to resulting ice-covering-proof coating: utilizing contact angle
Tester measures the contact angle of ice-covering-proof coating by sessile drop method, wherein 5 μ L of test droplets；Use Pulling escape strength tester
It is tested using ice addisive strength of the Pulling escape to gained ice-covering-proof coating；And freeze/remove for 100 times using Pulling escape
Ice loop test
The preparation method of ice-covering-proof coating provided by the invention introduces fluorine-containing side chain by cross-linking reaction on silicon rubber,
Fluorinated polysiloxane is obtained, then by adding liquid paraffin, heating obtains ice-covering-proof coating after solidification.The present invention is by by one
Silicon rubber, fluorochemical monomer, crosslinking agent or the coupling agent of certainty ratio, catalyst mixing, crosslink reaction and prepare low temperature resistant, corrosion resistant
Erosion and the low fluorinated polysiloxane of surface tension reduce ice-covering-proof coating ice addisive strength at low temperature and enhance it low
Service life under temperature, it is then ice-covering-proof further to improve by the way that a certain proportion of atoleine with lubricating action is added
The ice addisive strength of coating, therefore, the ice-covering-proof coating prepared through the invention have had both fluorinated polysiloxane and atoleine
Excellent properties.Preparation process of the present invention is simple, easily operated and popularization, and the ice-covering-proof painting of prepared low adhesion strength
Layer, not only reduces water in the adhesion strength of the coating surface, to reduce icing amount, and since ice is in the viscous of the coating surface
Attached power substantially reduces, therefore can slide under slight vibration, this just improves anti-icing performance in terms of two.The present invention can
Applied to air conditioner refrigerating shell, the aggregation of surface frost is reduced, improves operation of air conditioner efficiency；It is also possible to apply the invention to transmission lines of electricity
And fan blade, generating efficiency is improved, power consumption is reduced；In addition, it is also possible to apply the invention to the aviation of such as aircraft etc. dresses
It is standby, it can assign opportunity of combat round-the-clock complex environment fight capability, improve airborne combat efficiency.
Embodiment 1
Alkyl dimethyl silicone polymer, perfluoroparaffin cardinal extremity alkene, ethyl orthosilicate are weighed respectively in mass ratio for 20:16:3:1
And acid dibutyl tin, and 30min is stirred under the stirring rate of 800r/min, it is uniformly mixed, obtains fluorine-containing poly- silicon oxygen
Then alkane is 1:10 by the mass ratio of atoleine and fluorinated polysiloxane, atoleine is added thereto, and in 800r/
30min is stirred under the stirring rate of min, after mixing, 90 DEG C at a temperature of heat 50min, obtain silicon gel, will
Silicon gel 65 DEG C at a temperature of solidify 25h, then cool to room temperature, be made ice-covering-proof coating.
The contact angle of the ice-covering-proof coating measured using contact angle tester by sessile drop method is 115 °, strong using Pulling escape
Degree tester is 25kPa by the ice addisive strength that Pulling escape measures ice-covering-proof coating, and passes through 100 icings/deicing circulation,
The ice addisive strength decline 16% of the ice-covering-proof coating.
Embodiment 2
Alkyl dimethyl silicone polymer, perfluoropolyether cardinal extremity alkene, metatitanic acid fourth are weighed respectively in mass ratio for 80:70:10:3
Ester and dibutyl tin dilaurate mixing, and 20min is stirred under the stirring rate of 700r/min, it is uniformly mixed, obtains fluorine-containing
Then polysiloxanes is 1:10 by the mass ratio of atoleine and fluorinated polysiloxane, be added atoleine thereto, and
25min is stirred under the stirring rate of 800r/min, after mixing, 110 DEG C at a temperature of heat 40min, obtain organosilicon
Gel, by silicon gel 70 DEG C at a temperature of solidify 29h, then cool to room temperature, be made ice-covering-proof coating.
The contact angle of the ice-covering-proof coating measured using contact angle tester by sessile drop method is 120 °, strong using Pulling escape
Degree tester is 20kPa by the ice addisive strength that Pulling escape measures ice-covering-proof coating, and passes through 100 icings/deicing circulation,
The ice addisive strength decline 20% of the ice-covering-proof coating.
Embodiment 3
Alkyl dimethyl silicone polymer, perfluoropolyether cardinal extremity alkene, ten difluoros are weighed respectively in mass ratio for 90:75:17:4
Heptyl propyl trimethoxy silicane and stannous octoate mixing, and 35min is stirred under the stirring rate of 750r/min, mixing is equal
It is even, fluorinated polysiloxane is obtained, is then 0.5:8 by the mass ratio of atoleine and fluorinated polysiloxane, liquid is added thereto
Body paraffin, and 30min is stirred under the stirring rate of 750r/min, after mixing, 100 DEG C at a temperature of heat
50min obtains silicon gel, by silicon gel 80 DEG C at a temperature of solidify for 24 hours, then cool to room temperature, be made anti-
Icing coating.
The contact angle of the ice-covering-proof coating measured using contact angle tester by sessile drop method is 120 °, strong using Pulling escape
Degree tester is 25kPa by the ice addisive strength that Pulling escape measures ice-covering-proof coating, and passes through 100 icings/deicing circulation,
The ice addisive strength decline 17% of the ice-covering-proof coating.
Embodiment 4
It is pungent that alkyl dimethyl silicone polymer, perfluoroparaffin cardinal extremity alkene, ten trifluoros are weighed respectively for 120:90:17:6 in mass ratio
Base trimethoxy silane and stannous octoate mixing, and 40min is stirred under the stirring rate of 900r/min, it is uniformly mixed, obtains
Then fluorinated polysiloxane is 1.3:9 by the mass ratio of atoleine and fluorinated polysiloxane, atoleine is added thereto,
And 25min is stirred under the stirring rate of 750r/min, after mixing, 90 DEG C at a temperature of heat 60min, had
Machine Silica hydrogel, by silicon gel 65 DEG C at a temperature of solidify 30h, then cool to room temperature, be made ice-covering-proof coating.
The contact angle of the ice-covering-proof coating measured using contact angle tester by sessile drop method is 125 °, strong using Pulling escape
Degree tester is 30kPa by the ice addisive strength that Pulling escape measures ice-covering-proof coating, and passes through 100 icings/deicing circulation,
The ice addisive strength decline 18% of the ice-covering-proof coating.
Embodiment 5
Alkyl dimethyl silicone polymer, perfluoroparaffin cardinal extremity alkene, butyl titanate are weighed respectively in mass ratio for 110:85:20:7
It is mixed with dibutyl tin dilaurate, and stirs 25min under the stirring rate of 750r/min, be uniformly mixed, obtained fluorine-containing poly-
Then siloxanes is 1.5:8 by the mass ratio of atoleine and fluorinated polysiloxane, be added atoleine thereto, and
27min is stirred under the stirring rate of 650r/min, after mixing, 80 DEG C at a temperature of heat 55min, it is solidifying to obtain organosilicon
Glue, by silicon gel 75 DEG C at a temperature of solidify 25h, then cool to room temperature, be made ice-covering-proof coating.
The contact angle of the ice-covering-proof coating measured using contact angle tester by sessile drop method is 115 °, strong using Pulling escape
Degree tester is 27kPa by the ice addisive strength that Pulling escape measures ice-covering-proof coating, and passes through 100 icings/deicing circulation,
The ice addisive strength decline 16% of the ice-covering-proof coating.
Embodiment 6
Alkyl dimethyl silicone polymer, perfluoropolyether cardinal extremity alkene, positive silicic acid are weighed respectively in mass ratio for 120:90:20:7
Ethyl ester and acid dibutyl tin mixing, and 20min is stirred under the stirring rate of 1000r/min, it is uniformly mixed, is contained
Then fluorine polysiloxanes is 0.5:12 by the mass ratio of atoleine and fluorinated polysiloxane, atoleine is added thereto, and
And 30min is stirred under the stirring rate of 600r/min, after mixing, 120 DEG C at a temperature of heat 45min, had
Machine Silica hydrogel, by silicon gel 80 DEG C at a temperature of solidify for 24 hours, then cool to room temperature, be made ice-covering-proof coating.
The contact angle of the ice-covering-proof coating measured using contact angle tester by sessile drop method is 120 °, strong using Pulling escape
Degree tester is 22kPa by the ice addisive strength that Pulling escape measures ice-covering-proof coating, and passes through 100 icings/deicing circulation,
The ice addisive strength decline 19% of the ice-covering-proof coating.
As can be seen from the above embodiments, for the contact angle of ice-covering-proof coating prepared by the present invention at 115 ° or more, ice adherency is strong
Degree is 20kPa~30kPa, and by 100 icings/deicing circulation, the decline of the ice addisive strength performance of the ice-covering-proof coating
Degree is below 20%.And the contact angle of presently commercially available ice-covering-proof coating is generally 105 °~110 °, ice addisive strength one
As in 50kPa or more.Relative to current existing ice-covering-proof coating, the ice addisive strength of ice-covering-proof coating of the invention obviously changes
It is kind.
The present invention introduces that property is stable and surface tension is low by cross-linking reaction in the polysiloxane backbone of silicon rubber
Organic fluoride side chain makes obtained fluorinated polysiloxane have the excellent properties such as low temperature resistant, corrosion-resistant and surface tension is low, passes through
A certain proportion of atoleine with lubricating action is added into fluorinated polysiloxane to further decrease ice-covering-proof coating
Ice addisive strength, therefore, the ice-covering-proof coating prepared through the invention have had both the characteristic of fluorinated polysiloxane and atoleine,
There are low ice addisive strength, excellent properties corrosion-resistant and with long service life at low temperature.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (13)
1. a kind of preparation method of ice-covering-proof coating characterized by comprising
Silicon rubber, fluorochemical monomer, bridging agent and catalyst are uniformly mixed, fluorinated polysiloxane is obtained；
Atoleine is added into the fluorinated polysiloxane, is uniformly mixed, heating obtains silicon gel；And
Solidify the silicon gel, ice-covering-proof coating is made.
2. preparation method according to claim 1, which is characterized in that the bridging agent is crosslinking agent or coupling agent.
3. preparation method according to claim 1, which is characterized in that wherein, the silicon rubber, the fluorochemical monomer, institute
The mass ratio for stating bridging agent and the catalyst is 80~120:70~90:10~20:3~7, and the atoleine contains with described
The mass ratio of fluorine polysiloxanes is 0.5~1.5:8~12.
4. preparation method according to claim 1, which is characterized in that the silicon rubber is alkyl dimethyl silicone polymer.
5. preparation method according to claim 1, which is characterized in that the fluorochemical monomer is perfluoroparaffin cardinal extremity alkene, perfluor
One or both of polyethers cardinal extremity alkene.
6. preparation method according to claim 2, which is characterized in that the crosslinking agent is ethyl orthosilicate, butyl titanate
One or both of.
7. preparation method according to claim 2, which is characterized in that the coupling agent is ten difluoro heptyl propyl trimethoxies
One or both of base silane, ten trifluoro octyl trimethoxy silanes.
8. preparation method according to claim 1, which is characterized in that the catalyst is acid dibutyl tin, pungent
One of sour stannous, dibutyl tin dilaurate or a variety of combinations.
9. preparation method according to claim 1, which is characterized in that by the silicon rubber, the fluorochemical monomer, the company
It connects agent and the catalyst stirs 20~40min under the stirring rate of 700~1000r/min, be uniformly mixed, reaction obtains institute
State fluorinated polysiloxane.
10. preparation method according to claim 1, which is characterized in that the liquid is added into the fluorinated polysiloxane
Body paraffin stirs 25~30min under the stirring rate of 600~800r/min, is uniformly mixed.
11. preparation method according to claim 1, which is characterized in that the process conditions of the heating are at 80~120 DEG C
At a temperature of heat 40~60min, obtain the silicon gel.
12. preparation method according to claim 1, which is characterized in that by the silicon gel in 65~80 DEG C of temperature
Under, solidify 24~30h, then cools to room temperature, the ice-covering-proof coating is made.
13. a kind of ice-covering-proof coating of the preparation of preparation method described in any one of -12 according to claim 1.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101358106A (en) * | 2008-09-25 | 2009-02-04 | 武汉工程大学 | Anti-icing nano composite paint and application |
| CN103045083A (en) * | 2013-01-08 | 2013-04-17 | 天津大学 | Anti-icing single-component fluorosilicone rubber coating material and preparation method thereof |
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