CN108359359A - A kind of anti-weathering coating - Google Patents
A kind of anti-weathering coating Download PDFInfo
- Publication number
- CN108359359A CN108359359A CN201711465594.3A CN201711465594A CN108359359A CN 108359359 A CN108359359 A CN 108359359A CN 201711465594 A CN201711465594 A CN 201711465594A CN 108359359 A CN108359359 A CN 108359359A
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- weathering coating
- weathering
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Classifications
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a kind of anti-weathering coating.The anti-weathering coating of the present invention is prepared by polycaprolactone, makrolon, fluorocarbon resin, polyurethane resin, 2,2 dihydroxymethyl butanol, trifunctional polycaprolactone, 1,1,3 3-methyl cyclohexanol ketenes etc. for primary raw material.The anti-weathering coating of the present invention is applied to air equipment, its impact strength, temperature-change resistance, water resistance, salt spray resistance, wet-heat resisting, artificial accelerated aging and temperature tolerance reach the Specifications of existing product, the time limit is especially applicable in better than the regulation in technical indicator, after coating, the service life of air equipment can be greatly prolonged, safety coefficient is improved.
Description
Technical field
The present invention relates to anticorrosive coating technical fields, and in particular to a kind of anti-weathering coating.
Background technology
Weathering refers to aircraft in flight course, and raindrop, sandstone in air etc. make composite material component destruction
The phenomenon that its mechanical property and electrical property are substantially reduced.The coating used for preventing this phenomenon from occurring is known as anti-weathering and applies
Material.The fiberglass of aviation aircraft is made in flight, the machinery for being easy to be thereby reduced aviation aircraft by weathering is strong
Degree.Its weatherability and heat resistance are poor when in use for existing anti-weathering coating, cannot be satisfied growing aviation flight
The demand of device.
Invention content
Present invention aims at providing a kind of anti-weathering coating, with solve existing anti-weathering coating when in use weatherability and
The poor technical problem of heat resistance.
The present invention is realized using following technical scheme：A kind of anti-weathering coating, is prepared using following steps：
(1) 100 parts of polycaprolactones, 50-70 parts of makrolon, 60-70 parts of fluorocarbon resins, 10-25 parts of polyurethane trees are weighed
Fat, 5-8 parts 2,2- dihydroxymethyls butanol, 200-350 parts of solvents are put into three mouthfuls of reaction vessels with reflux, heating
To 40 DEG C, stirring is opened, 135 DEG C is warming up to and starts to flow back, is back to 4~5h and be precipitated to no moisture, be gradually cooled to 75 DEG C, protect
Warm 2h, then 60 DEG C of heat preservation 5h are cooled to, it is then slowly added into 10% butyl acetate solution, 25 ± 5 DEG C are cooled to after stirring evenly
Discharging, obtains intermediate product A；
(2) 100 parts of polycaprolactones, 40-48 parts of makrolon, 20-26 parts of trifunctional polycaprolactones, 33-43 parts 2 are weighed,
2- dihydroxymethyls butanol, 280-320 parts of solvents are put into three mouthfuls of reaction vessels with reflux, heating, dissolving, and are opened
Dynamic stirring, is warming up to 185 DEG C and starts to flow back, and when being back to anhydrous separate, is cooled to 85 DEG C, and 1,1,3- front three of 50-60 parts is added
Cyclohexene ketone is to slowly warm up to 120 DEG C after stirring evenly, carry out first time heat preservation, and catalyst is added in soaking time 2.5h,
Be to slowly warm up to 120~125 DEG C again, keep the temperature 3~4h, polymerization inhibitor is then added, after stirring evenly cooling in 25 DEG C with bottom discharge,
Obtain intermediate product B；
(3) anti-weathering coating preparation：Take intermediate product A, intermediate product B 1-2 in mass ratio:1 is uniformly mixed, and mixing is added
The thickener of amount of substance 0.1-0.5%, the solvent of 0.5-2% levelling agents, the dispersant of 3-8%, 15-25%, with rotating speed 850-
1000rpm/min mixing is uniformly dispersed, you can.
The thickener is the thickener of model ThixatrolST or KMT-2.
The levelling agent is one kind in BYK333, DCA1288, TT935.
The dispersant is BYK-310.
The solvent is tertiary butyl alcohol, glycerine, dimethylbenzene by volume 1:1-2:6-10 is mixed to prepare.
Catalyst is dibutyl tin dilaurate in the step (2), and polymerization inhibitor is polymerization inhibitor 701.
The step (3) further includes：3-10 parts of pigment, 7-11 parts of delustering agents, 30-35 parts of ultra-violet absorbers.
The anti-weathering coating of the present invention is applied to air equipment, impact strength, temperature-change resistance, water resistance, salt spray resistance, resistance to
Damp and hot, artificial accelerated aging and temperature tolerance reach the Specifications of existing product, are especially applicable in the time limit better than technology
Regulation in index after coating, can greatly prolong the service life of air equipment, improve safety coefficient.
Specific implementation mode
The invention will be further described with the following Examples.
Embodiment 1 realizes the present invention using following steps：
(1) 100 parts of polycaprolactones, 58 parts of makrolon, 66 parts of fluorocarbon resins, 13 parts of polyurethane resins, 6 parts of 2,2- are weighed
Dihydroxymethyl butanol, 285 parts of solvents are put into three mouthfuls of reaction vessels with reflux, are heated to 40 DEG C, open stirring,
It is warming up to 135 DEG C to start to flow back, is back to 4h and is precipitated to no moisture, be gradually cooled to 75 DEG C, keep the temperature 2h, then be cooled to 60 DEG C of guarantors
Warm 5h is then slowly added into 10% butyl acetate solution, and 25 ± 5 DEG C of dischargings are cooled to after stirring evenly, obtain intermediate product A；
(2) 100 parts of polycaprolactones, 48 parts of makrolon, 22 parts of trifunctional polycaprolactones, 33 parts of 2,2- dihydroxymethyls are weighed
Butanol, 290 parts of solvents are put into three mouthfuls of reaction vessels with reflux, heating, dissolving, and start stirring, are warming up to
185 DEG C start to flow back, and when being back to anhydrous separate, are cooled to 85 DEG C, are added 50 part 1,1,3- 3-methyl cyclohexanol ketenes, stirring is
It is to slowly warm up to 120 DEG C after even, carries out first time heat preservation, soaking time 2.5h is added catalyst dibutyltin dilaurate, then delays
It is slow to be warming up to 120~125 DEG C, 4h is kept the temperature, polymerization inhibitor 701 is then added, is cooled down in 25 DEG C with bottom discharge, in obtaining after stirring evenly
Between product B；
(3) anti-weathering coating preparation：Take intermediate product A, intermediate product B 1-2 in mass ratio:1 is uniformly mixed, and mixing is added
The thickener ThixatrolST of amount of substance 0.5%, 2% levelling agent TT935,5% dispersant B YK-310,17% solvent,
It is uniformly dispersed with rotating speed 900rpm/min mixing, you can；Wherein, solvent is tertiary butyl alcohol, glycerine, dimethylbenzene by volume 1:
1:10 are mixed to prepare.
Embodiment 2 realizes the present invention using following steps：
(1) 100 parts of polycaprolactones, 66 parts of makrolon, 67 parts of fluorocarbon resins, 21 parts of polyurethane resins, 7 parts of 2,2- are weighed
Dihydroxymethyl butanol, 310 parts of solvents are put into three mouthfuls of reaction vessels with reflux, are heated to 40 DEG C, open stirring,
It is warming up to 135 DEG C to start to flow back, is back to 5h and is precipitated to no moisture, be gradually cooled to 75 DEG C, keep the temperature 2h, then be cooled to 60 DEG C of guarantors
Warm 5h is then slowly added into 10% butyl acetate solution, and 25 ± 5 DEG C of dischargings are cooled to after stirring evenly, obtain intermediate product A；
(2) 100 parts of polycaprolactones, 44 parts of makrolon, 24 parts of trifunctional polycaprolactones, 43 parts of 2,2- dihydroxymethyls are weighed
Butanol, 310 parts of solvents are put into three mouthfuls of reaction vessels with reflux, heating, dissolving, and start stirring, are warming up to
185 DEG C start to flow back, and when being back to anhydrous separate, are cooled to 85 DEG C, are added 60 part 1,1,3- 3-methyl cyclohexanol ketenes, stirring is
It is to slowly warm up to 120 DEG C after even, carries out first time heat preservation, soaking time 2.5h is added catalyst dibutyltin dilaurate, then delays
It is slow to be warming up to 120~125 DEG C, 3h is kept the temperature, polymerization inhibitor 701 is then added, is cooled down in 25 DEG C with bottom discharge, in obtaining after stirring evenly
Between product B；
(3) anti-weathering coating preparation：Take intermediate product A, intermediate product B 1-2 in mass ratio:1 is uniformly mixed, and mixing is added
The thickener KMT-2 of amount of substance 0.5%, 1% levelling agent DCA1288,8% dispersant B YK-310,25% solvent, to turn
Fast 1000rpm/min mixing is uniformly dispersed, you can；Wherein, solvent is tertiary butyl alcohol, glycerine, dimethylbenzene by volume 1:2:6
It is mixed to prepare.
Claims (7)
1. a kind of anti-weathering coating, it is characterised in that：It is prepared using following steps：
(1) 100 parts of polycaprolactones, 50-70 parts of makrolon, 60-70 parts of fluorocarbon resins, 10-25 parts of polyurethane resins, 5- are weighed
8 parts of 2,2- dihydroxymethyls butanol, 200-350 parts of solvents are put into three mouthfuls of reaction vessels with reflux, are heated to 40
DEG C, stirring is opened, 135 DEG C is warming up to and starts to flow back, 4~5h is back to and is precipitated to no moisture, be gradually cooled to 75 DEG C, heat preservation
2h, then 60 DEG C of heat preservation 5h are cooled to, it is then slowly added into 10% butyl acetate solution, 25 ± 5 DEG C are cooled to after stirring evenly and is gone out
Material, obtains intermediate product A；
(2) 100 parts of polycaprolactones, 40-48 parts of makrolon, 20-26 parts of trifunctional polycaprolactones, 33-43 parts of 2,2- bis- are weighed
Methylol butanol, 280-320 part solvent are put into three mouthfuls of reaction vessels with reflux, heating, dissolving, and are started and stirred
It mixes, is warming up to 185 DEG C and starts to flow back, when being back to anhydrous separate, be cooled to 85 DEG C, 1,1,3- front three basic ring of 50-60 parts is added
Hexenone is to slowly warm up to 120 DEG C after stirring evenly, carry out first time heat preservation, and soaking time 2.5h is added catalyst, then delays
It is slow to be warming up to 120~125 DEG C, 3~4h is kept the temperature, polymerization inhibitor is then added, is cooled down in 25 DEG C with bottom discharge, in obtaining after stirring evenly
Between product B；
(3) anti-weathering coating preparation：Take intermediate product A, intermediate product B 1-2 in mass ratio:1 is uniformly mixed, and compounding substances are added
The thickener of 0.1-0.5%, the solvent of 0.5-2% levelling agents, the dispersant of 3-8%, 15-25% are measured, with rotating speed 850-
1000rpm/min mixing is uniformly dispersed, you can.
2. anti-weathering coating according to claim 1, it is characterised in that：The thickener is model ThixatrolST
Or the thickener of KMT-2.
3. anti-weathering coating according to claim 1, it is characterised in that：The levelling agent be BYK333, DCA1288,
One kind in TT935.
4. anti-weathering coating according to claim 1, it is characterised in that：The dispersant is BYK-310.
5. anti-weathering coating according to claim 1, it is characterised in that：The solvent is tertiary butyl alcohol, glycerine, diformazan
Benzene by volume 1:1-2:6-10 is mixed to prepare.
6. anti-weathering coating according to claim 1, it is characterised in that：Catalyst is tin dilaurate in the step (2)
Two fourth tin, polymerization inhibitor are polymerization inhibitor 701.
7. anti-weathering coating according to claim 1, it is characterised in that：The step (3) further includes：3-10 parts of pigment,
7-11 parts of delustering agents, 30-35 parts of ultra-violet absorbers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465594.3A CN108359359A (en) | 2017-12-28 | 2017-12-28 | A kind of anti-weathering coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465594.3A CN108359359A (en) | 2017-12-28 | 2017-12-28 | A kind of anti-weathering coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108359359A true CN108359359A (en) | 2018-08-03 |
Family
ID=63010726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711465594.3A Withdrawn CN108359359A (en) | 2017-12-28 | 2017-12-28 | A kind of anti-weathering coating |
Country Status (1)
| Country | Link |
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| CN (1) | CN108359359A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792639A (en) * | 2010-04-02 | 2010-08-04 | 德莱特恩环保涂料(北京)有限公司 | Wear-resisting scratch-resisting weather-proof polyurethane coating and preparation method thereof |
| CN103724584A (en) * | 2013-12-10 | 2014-04-16 | 中昊北方涂料工业研究设计院有限公司 | Sand erosion resistant elastic polyurethane coating |
-
2017
- 2017-12-28 CN CN201711465594.3A patent/CN108359359A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792639A (en) * | 2010-04-02 | 2010-08-04 | 德莱特恩环保涂料(北京)有限公司 | Wear-resisting scratch-resisting weather-proof polyurethane coating and preparation method thereof |
| CN103724584A (en) * | 2013-12-10 | 2014-04-16 | 中昊北方涂料工业研究设计院有限公司 | Sand erosion resistant elastic polyurethane coating |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180803 |
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| WW01 | Invention patent application withdrawn after publication |