CN102942692A - Trihydroxy side chain fluorine-containing polyether resin for antifouling paint as well as preparation method and application thereof - Google Patents
Trihydroxy side chain fluorine-containing polyether resin for antifouling paint as well as preparation method and application thereof Download PDFInfo
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- CN102942692A CN102942692A CN2012104482983A CN201210448298A CN102942692A CN 102942692 A CN102942692 A CN 102942692A CN 2012104482983 A CN2012104482983 A CN 2012104482983A CN 201210448298 A CN201210448298 A CN 201210448298A CN 102942692 A CN102942692 A CN 102942692A
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Abstract
The invention discloses trihydroxy side chain fluorine-containing polyether resin for antifouling paint as well as a preparation method and an application thereof. The trihydroxy side chain fluorine-containing polyether resin for the antifouling paint comprises the following components in parts by weight of 100-120 parts of fluorine-containing epoxy compound, 0.5-2 parts of triethanolamine, 40-60 parts of solvent and 1-2.0 parts of catalyst. The preparation method comprises two steps of preparing the fluorine-containing epoxy compound and preparing the trihydroxy side chain fluorine-containing polyether resin. The trihydroxy side chain fluorine-containing polyether resin prepared by the preparation method can be used as an antifouling paint function cross-linking agent so that the antifouling paint has better adhesive force, hardness and contact angle on water, and has lower surface energy.
Description
Technical field
The invention belongs to technical field of polymer materials, be specifically related to trihydroxy-side chain fluorochemical polyether resin that a kind of antifouling paint uses and its preparation method and application.
Background technology
Antifouling paint can effectively solve because halobionticly adhere to that the ship's speed that causes slows down, the problems such as fuel oil increase, seawater pipeline and the obstruction of cultivation netting gear, underwater facility destruction.Fluorine carbon low surface energy anti-fouling paint because not toxic material, surface energy are low, is a kind of new coating that falls resistance, energy-conservation and antifouling multiple efficacies.
Up to now, the sticking power of the most representative fluorine carbon low surface energy anti-fouling paint is 2 grades; Hardness is 1H; The contact angle of surface water is 100o.Therefore, existing fluorine carbon low surface energy anti-fouling paint sticking power is low, and mechanical property is also generally on the low side such as scratch resistance, anti tear, anti-puncture performance etc.
Summary of the invention
One of purpose of the present invention provides a kind of antifouling paint to use in order to solve the problems of the technologies described above trihydroxy-side chain fluorochemical polyether resin.
Two of purpose of the present invention provides the preparation method of the trihydroxy-side chain fluorochemical polyether resin that above-mentioned a kind of antifouling paint uses.
Three of purpose of the present invention is to provide a kind of antifouling paint that contains the trihydroxy-side chain fluorochemical polyether resin that above-mentioned a kind of antifouling paint uses.
The technical solution used in the present invention
The trihydroxy-side chain fluorochemical polyether resin that a kind of antifouling paint is used calculates by weight, and its composition is composed as follows:
Fluoro epoxide 100-120 part
Trolamine 0.5-2 part
Solvent 40-60 part
Catalyzer 1-2.0 part
Wherein, described solvent is the mixture that methylene dichloride, chloroform or methylene dichloride and chloroform form, and is preferably methylene dichloride or chloroform;
Described catalyzer is the mixture of one or more compositions in boron trifluoride diethyl etherate, the vitriol oil, the trifluoromethanesulfonic acid, is preferably boron trifluoride diethyl etherate or trifluoromethanesulfonic acid;
Described fluoro epoxide calculates by weight, and its composition is composed as follows:
4,4,5,5,5-Pentafluorobenzyl pentanol 160-180 part
Epoxy chloropropane 110-130 part
Sodium hydroxide 50-60 part
Phase-transfer catalyst 2-10 part
Wherein, described phase-transfer catalyst is the mixture of one or more compositions of benzyltriethylammoinium chloride, Tetrabutyl amonium bromide, Dodecyl trimethyl ammonium chloride, tetradecyl trimethyl ammonium chloride, preferred Tetrabutyl amonium bromide.
The preparation method of the trihydroxy-side chain fluorochemical polyether resin that a kind of antifouling paint is used specifically comprises the steps:
(1), the preparation of fluoro epoxide
With 160-180 part 4,4,5,5,5-Pentafluorobenzyl pentanol, 110-130 part epoxy chloropropane, 2-10 part phase-transfer catalyst add in the there-necked flask, after stirring, add 50-60 part solid sodium hydroxide, the control temperature of reaction is 50 ℃, after the time is 4h, with the reactant decompress filter of gained, filtrate is used anhydrous magnesium sulfate drying with deionized water wash after neutral, then under temperature 70 C, control pressure namely gets fluoro epoxide for-750mmHg carries out underpressure distillation to steaming in the excess without bubble;
(2), the preparation of trihydroxy-side chain fluorochemical polyether resin;
Successively 40-60 part solvent, 0.5-2 part trolamine, 1-2.0 part catalyzer are added in the 500mL flask with three necks,round bottom, at N
2Protection is lower, is cooled to after 5 ℃ in the system fluoro epoxide 100-120 part that drips step (1) gained with the speed of 1mL/ second again, then at 5 ℃ of reaction 3～5h, obtains clarified liq;
The water that is incorporated as 2 times of clarified liq volumes in the clarified liq of gained again washs; Standing demix in separating funnel obtains lower floor's white emulsion behind the separatory;
Lower floor gained white emulsion control pressure is carried out underpressure distillation for-755mmHg, with desolventizing and moisture, the anhydrous trihydroxy-side chain fluorochemical polyether resin of final transparent thickness.
The antifouling paint that contains above-mentioned trihydroxy-side chain fluorochemical polyether resin calculates by weight, and its composition is composed as follows:
Trihydroxy-side chain fluorochemical polyether resin 20-30 part
FEVE fluorocarbon resin 40-50 part
Flow agent 1-3 part
Wetting dispersing agent 0.2-1 part
Solvent 20-30 part
Solidifying agent 20-30 part;
Described FEVE fluorocarbon resin is the JF-2X FEVE normal temperature solidifying fluorine carbon resin of east, Shanghai fluorine chemical Science and Technology Ltd.;
Described flow agent is 407 flow agents or 435 flow agents of the Taiwan modest company of moral;
Described Ricinate is the DP-19 wetting dispersing agent of the Taiwan modest company of moral or 657 wetting dispersing agents of NUOSPERSE;
Described solvent is toluene or dimethylbenzene;
Described solidifying agent is N-75 or the N-3390 of Bayer A.G.
Above-mentioned a kind of preparation method who contains the antifouling paint of above-mentioned trihydroxy-side chain fluorochemical polyether resin, concrete steps are as follows:
At first that trihydroxy-side chain fluorochemical polyether resin and FEVE fluorocarbon resin and solvent is even, then add flow agent, wetting dispersing agent stirs and makes varnish;
In the varnish of above-mentioned gained, add again 20-30 part solidifying agent during use, stir, finally obtain containing the antifouling paint of trihydroxy-side chain fluorochemical polyether resin;
When not using, varnish and the solidifying agent of above-mentioned gained are deposited separately.
Beneficial effect of the present invention
The trihydroxy-side chain fluorochemical polyether resin that a kind of antifouling paint of the present invention is used owing to containing than the multipolarity hydroxyl in the molecular structure, contains-CH simultaneously
2Group dissolves in many common solvent, as: therefore ethyl acetate, toluene etc. can conveniently be used for the preparation antifouling paint.
Further, the trihydroxy-side chain fluorochemical polyether resin that antifouling paint of the present invention is used, owing to containing the hydroxyl of three-functionality-degree in the molecular structure, more conventional two functionality types and FEVE type fluorocarbon resin hydroxy radical content are high, with the crosslinked rear fine and close tridimensional network that generates of solidifying agent, therefore the evacuation network structure that is better than conventional two functionality types and FEVE type fluorocarbon resin cured article, makes the antifouling paint that contains trihydroxy-side chain fluorochemical polyether resin of the present invention have better surface hardness and mechanical property; Further because the existence of C-F key in the trihydroxy-side chain fluorochemical polyether resinous molecular structure that antifouling paint of the present invention is used, make the antifouling paint that contains trihydroxy-side chain fluorochemical polyether resin of the present invention have better low surface energy characteristic, thereby can make the adhesion effect of the antifouling paint that contains trihydroxy-side chain fluorochemical polyether resin of the present invention and base material better.
Further, contain the antifouling paint of trihydroxy-side chain fluorochemical polyether resin of the present invention when using, because the side chain fluoro-containing group of the molecular structure of trihydroxy-side chain fluorochemical polyether resin can spontaneously migrate to coatingsurface after solidifying, contact angle to water is increased, thereby give antifouling paint better low surface energy performance, the resistance to soiling of coating is improved.
Description of drawings
Fig. 1, the embodiment 1 gained antifouling paint infrared spectrogram of trihydroxy-side chain fluorochemical polyether resin.
Embodiment
Also by reference to the accompanying drawings the present invention is further set forth below by specific embodiment, but do not limit the present invention.
The information of the specification of used various raw materials or reagent and manufacturer is as follows in the various embodiments of the present invention:
407 flow agents, the modest company of Taiwan moral
The DP-19 wetting dispersing agent, the modest company of Taiwan moral
JF-2X FEVE normal temperature solidifying fluorine carbon resin, east, Shanghai fluorine chemical Science and Technology Ltd..
The N-75 solidifying agent, Bayer A.G.
The model of the various device that the present invention is used and the information of manufacturer are as follows:
GFJ-0.4 type high speed dispersor, the new promise plant and instrument in Shanghai company limited produces;
Contact angle measurement JCZ000 Shanghai Zhongchen digital technology equipment Co., Ltd produces;
The hard instrument QHQ of the pencil cut of filming, material-testing machine factory in Tianjin produces;
Adhesion tester of lacquer film QFZ, material-testing machine factory in Tianjin produces;
Gel permeation chromatograph GPC 1525 types, U.S. Waters company.
Embodiment 1
The preparation method of the trihydroxy-side chain fluorochemical polyether resin that a kind of antifouling paint is used specifically comprises the steps:
(1), the preparation of fluoro epoxide
With 160 part 4,4,5,5,5-Pentafluorobenzyl pentanol, 110 parts of epoxy chloropropane, 2 parts of phase-transfer catalyst Tetrabutyl amonium bromides add in the there-necked flask, after stirring, add 50 parts of solid sodium hydroxides, the control temperature of reaction is 50 ℃, and the time is that 4h reacts, gained reactant decompress filter, filtrate is used anhydrous magnesium sulfate drying with deionized water wash after neutral, under temperature 70 C, control pressure namely gets fluoro epoxide for-750mmHg carries out underpressure distillation to steaming in the excess without bubble;
(2), the preparation of trihydroxy-side chain fluorochemical polyether resin
Calculate by weight, successively with 40 parts of methylene chloride, 0.5 part of trolamine, 1 part of catalyzer boron trifluoride diethyl etherate add in the 500mL flask with three necks,round bottom, at N
2Protection is lower, is cooled to after 5 ℃ in the system fluoro epoxide that drips 100 parts of steps (1) gained with the speed of 1mL/ second again, at 5 ℃ of reaction 3h, obtains clarified liq;
The water that is incorporated as 2 times of clarified liq volumes in the clarified liq of gained again washs, and standing demix in separating funnel obtains lower floor's white emulsion behind the separatory;
The white emulsion control pressure of above-mentioned gained is carried out underpressure distillation for-755mmHg, with desolventizing methylene dichloride and moisture, finally obtain the trihydroxy-side chain fluorochemical polyether resin that a kind of antifouling paint of transparent thickness is used.
The trihydroxy-side chain fluorochemical polyether resin that the antifouling paint of above-mentioned gained is used is by GPC gel chromatograph (GPC of U.S. Waters company 1525 types), and differential refraction detector detects, and its number-average molecular weight is 3000g/mol.
The trihydroxy-side chain fluorochemical polyether resin that the antifouling paint of above-mentioned gained is used carries out Infrared spectroscopy by infrared chromatograph (U.S. Nicolet company 380 types), the infrared spectrogram of gained as shown in Figure 1, as can be seen from Figure 1,3470.89 cm
-1It is the stretching vibration absorption peak of O-H key;
2969.97,2931.20,2869.99cm
-1Be-CH
2With-CH
3The stretching vibration absorption peak of middle c h bond;
1374.27 cm
-1It is the O-H in-plane bending vibration;
1455.78cm
-1It is the flexural vibration absorption peak of c h bond;
More than show in the structure of the trihydroxy-side chain fluorochemical polyether resin that the antifouling paint of gained of the present invention is used to contain-OH ,-CH
2With-CH
3Group;
Further, 1260.87cm
-1Be the stretching vibration of C-F key;
More than show, contain the characteristic groups such as C-F key in the structure of the trihydroxy-side chain fluorochemical polyether resin that the antifouling paint of gained of the present invention is used.
A kind of antifouling paint that contains the trihydroxy-side chain fluorochemical polyether resin of embodiment 1 gained, calculate by weight, formed by 30 parts trihydroxy-side chain fluorochemical polyether resins, 40 parts FEVE fluorocarbon resin, 1 part flow agent, 1 part wetting dispersing agent, 30 parts solvent and 30 parts solidifying agent;
Described FEVE fluorocarbon resin is JF-2X FEVE normal temperature solidifying fluorine carbon resin;
Described flow agent is 407 flow agents;
Described wetting dispersing agent is the DP-19 wetting dispersing agent;
Described solidifying agent is the N-75 solidifying agent;
Described solvent is dimethylbenzene.
The preparation process of the antifouling paint of the above-mentioned trihydroxy-side chain fluorochemical polyether resin that contains embodiment 1 gained, concrete steps are as follows:
At first 30 parts of trihydroxy-side chain fluorochemical polyether resins and 40 parts of JF-2X FEVE normal temperature solidifying fluorine carbon resins are mixed with 30 parts of xylene solvents, in GFJ-0.4 type high speed dispersor (the new promise plant and instrument in Shanghai company limited), stir 30min, then add 1 part of 407 flow agent, 1 part of DP-19 wetting dispersing agent stirs and makes varnish;
In the varnish of above-mentioned gained, add 30 parts of N-75 solidifying agent during use, stir, finally obtain containing the antifouling paint of the trihydroxy-side chain fluorochemical polyether resin of embodiment 1 gained.
The resulting antifouling paint that contains the trihydroxy-side chain fluorochemical polyether resin of embodiment 1 gained
Use QFZ-II adhesion tester of lacquer film, test with reference to standard GB/T/T1720-1989 " paint film adhesion assay method ", its sticking power is 1 grade;
The use hard instrument QHQ-A(of the pencil cut Tianjin material-testing machine factory of filming), with reference to standard GB/T/T6739-1996 " paint film determination of pencil hardness method ", hardness is 2H;
Adopting the contact angle of JCZ000 type contact angle instrument test slide specimen surface water, is 111o to the contact angle of water.
Show thus, the antifouling paint that contains the trihydroxy-side chain fluorochemical polyether resin of embodiment 1 gained reaches the antifouling paint that the aspects such as contact angle of water all is better than existing low surface property in sticking power, hardness.
Embodiment 2
The preparation method of the trihydroxy-side chain fluorochemical polyether resin that a kind of antifouling paint is used specifically comprises the steps:
(1), the preparation of fluoro epoxide
With 180 part 4,4,5,5,5-Pentafluorobenzyl pentanol, 130 parts of epoxy chloropropane, 10 parts of phase-transfer catalyst Tetrabutyl amonium bromides add in the there-necked flask, after stirring, add 60 parts of solid sodium hydroxides, the control temperature of reaction is 50 ℃, and the time is that 4h reacts, gained reactant decompress filter, filtrate is used anhydrous magnesium sulfate drying with deionized water wash after neutral, under temperature 70 C, control pressure namely gets fluoro epoxide for-750mmHg carries out underpressure distillation to steaming in the excess without bubble;
(2) preparation of trihydroxy-side chain fluorochemical polyether resin
Calculate by weight, successively with 60 parts of chloroform solvents, 2 parts of trolamines, 2.0 parts of triflate catalyst, add in the 500mL flask with three necks,round bottom, at N
2Protection is lower, is cooled to after 5 ℃ in the system fluoro epoxide that drips 120 parts of steps (1) gained with the speed of 1mL/ second again, at 5 ℃ of reaction 5h, obtains clarified liq;
The water that is incorporated as 2 times of clarified liq volumes in the clarified liq of above-mentioned gained again washs, and standing demix in separating funnel obtains lower floor's white emulsion behind the separatory;
The white emulsion control pressure of above-mentioned gained is carried out underpressure distillation for-755mmHg, with desolventizing chloroform and moisture, both the trihydroxy-side chain fluorochemical polyether resin used of the antifouling paint of transparent thickness.
The trihydroxy-side chain fluorochemical polyether resin that the antifouling paint of above-mentioned gained is used is by GPC gel chromatograph (GPC of U.S. Waters company 1525 types), and differential refraction detector detects, and its number-average molecular weight is 3030 g/mol.
The antifouling paint that contains the trihydroxy-side chain fluorochemical polyether resin of embodiment 2 gained, calculate by weight, formed by 20 parts trihydroxy-side chain fluorochemical polyether resins, 50 parts FEVE fluoro-resin, 3 parts flow agent, 0.2 part wetting dispersing agent, 20 parts solvent and 20 parts solidifying agent;
Described FEVE fluorocarbon resin is JF-2X FEVE normal temperature solidifying fluorine carbon resin;
Described flow agent is 435 flow agents;
Described wetting dispersing agent is 657 wetting dispersing agents of NUOSPERSE;
Described solidifying agent is the N-3390 solidifying agent;
Described solvent is toluene.
The preparation process of the antifouling paint of the above-mentioned trihydroxy-side chain fluorochemical polyether resin that contains embodiment 2 gained, concrete steps are as follows:
At first 20 parts of trihydroxy-side chain fluorochemical polyether resins and 50 parts of JF-2X FEVE normal temperature solidifying fluorine carbon resins are mixed with 20 parts of toluene solvants, in GFJ-0.4 type high speed dispersor, stir 30min, then add 3 part of 435 flow agent, 0.2 part of 657 wetting dispersing agent stirs, and makes varnish;
In the varnish of above-mentioned gained, add 20 parts of N-3390 solidifying agent during use, stir, finally obtain containing the antifouling paint of the trihydroxy-side chain fluorochemical polyether resin of embodiment 2 gained.
The resulting antifouling paint that contains the trihydroxy-side chain fluorochemical polyether resin of embodiment 2 gained
Use QFZ-II adhesion tester of lacquer film, test with reference to standard GB/T/T1720-1989 " paint film adhesion assay method ", its sticking power is 1 grade;
The use hard instrument QHQ-A(of the pencil cut Tianjin material-testing machine factory of filming), with reference to standard GB/T/T6739-1996 " paint film determination of pencil hardness method ", its hardness is 2H;
Adopt the contact angle of JCZ000 type contact angle instrument test slide specimen surface water, its contact angle to water is 109o.
Show thus, the antifouling paint that contains the trihydroxy-side chain fluorochemical polyether resin of embodiment 2 gained reaches the antifouling paint that the aspects such as contact angle of water all is better than existing low surface property in sticking power, hardness.
Foregoing only is the basic explanation of the present invention under conceiving, and according to any equivalent transformation that technical scheme of the present invention is done, all should belong to protection scope of the present invention.
Claims (8)
1. the trihydroxy-side chain fluorochemical polyether resin that antifouling paint is used is characterized in that calculating by weight, and its composition is composed as follows:
Fluoro epoxide 100-120 part
Trolamine 0.5-2 part
Solvent 40-60 part
Catalyzer 1-2.0 part
Wherein, described solvent is the mixture that methylene dichloride, chloroform or methylene dichloride and chloroform form;
Described catalyzer is the mixture of one or more compositions in boron trifluoride diethyl etherate, the vitriol oil, the trifluoromethanesulfonic acid;
Described fluoro epoxide calculates by weight, and its composition is composed as follows:
4,4,5,5,5-Pentafluorobenzyl pentanol 160-180 part
Epoxy chloropropane 110-130 part
Sodium hydroxide 50-60 part
Phase-transfer catalyst 2-10 part
Wherein, described phase-transfer catalyst is the mixture of one or more compositions of benzyltriethylammoinium chloride, Tetrabutyl amonium bromide, Dodecyl trimethyl ammonium chloride, tetradecyl trimethyl ammonium chloride;
The preparation process of described fluoro epoxide is as follows:
With 4,4,5,5,5-Pentafluorobenzyl pentanol, epoxy chloropropane, phase-transfer catalyst add in the there-necked flask, after stirring, add solid sodium hydroxide, the control temperature of reaction is 50 ℃, after the time is 4h, with the reactant decompress filter of gained, filtrate is used anhydrous magnesium sulfate drying with deionized water wash after neutral, then under temperature 70 C, control pressure namely gets fluoro epoxide for-750mmHg carries out underpressure distillation to steaming in the excess without bubble.
2. the trihydroxy-side chain fluorochemical polyether resin used of a kind of antifouling paint as claimed in claim 1 is characterized in that calculating by weight, and its composition is composed as follows:
100 parts of fluoro epoxides
0.5 part of trolamine
40 parts of solvents
1 part of catalyzer
Wherein, described solvent is methylene dichloride;
Described catalyzer is boron trifluoride diethyl etherate;
Described fluoro epoxide calculates by weight, and its composition is composed as follows:
160 parts of 4,4,5,5,5-Pentafluorobenzyl pentanols
110 parts of epoxy chloropropane
50 parts in sodium hydroxide
2 parts of phase-transfer catalysts
Wherein, described phase-transfer catalyst is Tetrabutyl amonium bromide.
3. the trihydroxy-side chain fluorochemical polyether resin used of a kind of antifouling paint as claimed in claim 1 is characterized in that calculating by weight, and its composition is composed as follows:
120 parts of fluoro epoxides
2 parts of trolamines
60 parts of solvents
2.0 parts of catalyzer
Wherein, described solvent is chloroform;
Described catalyzer is trifluoromethanesulfonic acid;
Described fluoro epoxide calculates by weight, and its composition is composed as follows:
180 parts of 4,4,5,5,5-Pentafluorobenzyl pentanols
130 parts of epoxy chloropropane
60 parts in sodium hydroxide
10 parts of phase-transfer catalysts
Wherein, described phase-transfer catalyst is Tetrabutyl amonium bromide.
4. the preparation method of the trihydroxy-side chain fluorochemical polyether resin of using such as claim 1,2 or 3 described a kind of antifouling paints is characterized in that concrete steps are as follows:
Successively solvent, trolamine, catalyzer are added in the 500mL flask with three necks,round bottom, at N
2Protection is lower, and the speed that is cooled to after 5 ℃ again in the system with 1mL/ second drips fluoro epoxide, then at 5 ℃ of reaction 3～5h, obtains clarified liq;
The water that is incorporated as 2 times of clarified liq volumes in the clarified liq of gained again washs; Standing demix in separating funnel obtains lower floor's white emulsion behind the separatory;
Lower floor gained white emulsion control pressure is carried out underpressure distillation for-755mmHg, with desolventizing and moisture, the anhydrous trihydroxy-side chain fluorochemical polyether resin of final transparent thickness.
5. an antifouling paint that contains just like claim 1,2 or 3 described trihydroxy-side chain fluorochemical polyether resins is characterized in that calculating by weight, and its composition is composed as follows:
Trihydroxy-side chain fluorochemical polyether resin 20-30 part
FEVE fluorocarbon resin 40-50 part
Flow agent 1-3 part
Wetting dispersing agent 0.2-1 part
Solvent 20-30 part
Solidifying agent 20-30 part;
Described FEVE fluorocarbon resin is the JF-2X FEVE normal temperature solidifying fluorine carbon resin of east, Shanghai fluorine chemical Science and Technology Ltd.;
Described flow agent is 407 flow agents or 435 flow agents of the Taiwan modest company of moral;
Described Ricinate is DP-19 wetting dispersing agent or NUOSPERSE 657 wetting dispersing agents of the Taiwan modest company of moral;
Described solvent is toluene or dimethylbenzene;
Described solidifying agent is N-75 or the N-3390 of Bayer A.G.
6. a kind of antifouling paint that contains trihydroxy-side chain fluorochemical polyether resin as claimed in claim 5 is characterized in that calculating by weight, and its composition is composed as follows:
30 parts of trihydroxy-side chain fluorochemical polyether resins
40 parts of FEVE fluorocarbon resins
1 part of flow agent
1 part of wetting dispersing agent
30 parts of solvents
30 parts in solidifying agent;
Described flow agent is 407 flow agents of the Taiwan modest company of moral;
Described Ricinate is the DP-19 wetting dispersing agent of the Taiwan modest company of moral;
Described solvent is dimethylbenzene;
Described solidifying agent is the N-75 of Bayer A.G.
7. a kind of antifouling paint that contains trihydroxy-side chain fluorochemical polyether resin as claimed in claim 5 is characterized in that calculating by weight, and its composition is composed as follows:
20 parts of trihydroxy-side chain fluorochemical polyether resins
50 parts of FEVE fluorocarbon resins
3 parts of flow agents
0.2 part of wetting dispersing agent
20 parts of solvents
20 parts in solidifying agent;
Described flow agent is 435 flow agents of the Taiwan modest company of moral;
Described Ricinate is 657 wetting dispersing agents of NUOSPERSE;
Described solvent is toluene;
Described solidifying agent is the N-3390 of Bayer A.G.
8. such as claim 5,6 or 7 described a kind of preparation methods that contain the antifouling paint of trihydroxy-side chain fluorochemical polyether resin, it is characterized in that concrete steps are as follows:
At first that trihydroxy-side chain fluorochemical polyether resin and FEVE fluorocarbon resin and solvent is even, then add flow agent, wetting dispersing agent stirs and makes varnish;
In the varnish of above-mentioned gained, add again solidifying agent during use, stir, finally obtain containing the antifouling paint of trihydroxy-side chain fluorochemical polyether resin;
When not using, varnish and the solidifying agent of above-mentioned gained are deposited separately.
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| CN110982080A (en) * | 2019-12-26 | 2020-04-10 | 江苏美思德化学股份有限公司 | Fluorine-containing polyether modified siloxane, preparation method thereof, composite surfactant, preparation method thereof and polyurethane foam |
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| CN101768262A (en) * | 2010-01-06 | 2010-07-07 | 上海应用技术学院 | Polyether polyol resin containing fluoroalkyl at side chain and preparation method thereof |
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| CN110982080A (en) * | 2019-12-26 | 2020-04-10 | 江苏美思德化学股份有限公司 | Fluorine-containing polyether modified siloxane, preparation method thereof, composite surfactant, preparation method thereof and polyurethane foam |
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Application publication date: 20130227 |