CN103319984B - A kind of high temperature resistant stage curing epoxy-based lacquers and using method thereof - Google Patents
A kind of high temperature resistant stage curing epoxy-based lacquers and using method thereof Download PDFInfo
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- CN103319984B CN103319984B CN201310261334.XA CN201310261334A CN103319984B CN 103319984 B CN103319984 B CN 103319984B CN 201310261334 A CN201310261334 A CN 201310261334A CN 103319984 B CN103319984 B CN 103319984B
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- 239000004593 Epoxy Substances 0.000 title claims abstract description 53
- 239000004922 lacquer Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000003822 epoxy resin Substances 0.000 claims abstract description 62
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 62
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 36
- 239000003973 paint Substances 0.000 claims abstract description 24
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 claims abstract description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910002012 Aerosil® Inorganic materials 0.000 claims abstract description 20
- 229910017083 AlN Inorganic materials 0.000 claims abstract description 20
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 19
- AFEQENGXSMURHA-UHFFFAOYSA-N oxiran-2-ylmethanamine Chemical compound NCC1CO1 AFEQENGXSMURHA-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000011191 terminal modification Methods 0.000 claims abstract description 13
- JOLVYUIAMRUBRK-UHFFFAOYSA-N 11',12',14',15'-Tetradehydro(Z,Z-)-3-(8-Pentadecenyl)phenol Natural products OC1=CC=CC(CCCCCCCC=CCC=CCC=C)=C1 JOLVYUIAMRUBRK-UHFFFAOYSA-N 0.000 claims abstract description 11
- YLKVIMNNMLKUGJ-UHFFFAOYSA-N 3-Delta8-pentadecenylphenol Natural products CCCCCCC=CCCCCCCCC1=CC=CC(O)=C1 YLKVIMNNMLKUGJ-UHFFFAOYSA-N 0.000 claims abstract description 11
- JOLVYUIAMRUBRK-UTOQUPLUSA-N Cardanol Chemical compound OC1=CC=CC(CCCCCCC\C=C/C\C=C/CC=C)=C1 JOLVYUIAMRUBRK-UTOQUPLUSA-N 0.000 claims abstract description 11
- FAYVLNWNMNHXGA-UHFFFAOYSA-N Cardanoldiene Natural products CCCC=CCC=CCCCCCCCC1=CC=CC(O)=C1 FAYVLNWNMNHXGA-UHFFFAOYSA-N 0.000 claims abstract description 11
- PTFIPECGHSYQNR-UHFFFAOYSA-N cardanol Natural products CCCCCCCCCCCCCCCC1=CC=CC(O)=C1 PTFIPECGHSYQNR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000004848 polyfunctional curative Substances 0.000 claims abstract description 11
- 229920003986 novolac Polymers 0.000 claims abstract description 9
- MUTGBJKUEZFXGO-OLQVQODUSA-N (3as,7ar)-3a,4,5,6,7,7a-hexahydro-2-benzofuran-1,3-dione Chemical compound C1CCC[C@@H]2C(=O)OC(=O)[C@@H]21 MUTGBJKUEZFXGO-OLQVQODUSA-N 0.000 claims abstract description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000007822 coupling agent Substances 0.000 claims abstract description 8
- 239000002270 dispersing agent Substances 0.000 claims abstract description 8
- 238000009736 wetting Methods 0.000 claims abstract description 8
- 239000004615 ingredient Substances 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims description 18
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 claims description 12
- 150000001412 amines Chemical class 0.000 claims description 9
- 229920001577 copolymer Polymers 0.000 claims description 6
- 150000002924 oxiranes Chemical group 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims description 6
- 230000008023 solidification Effects 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 2
- AHDSRXYHVZECER-UHFFFAOYSA-N 2,4,6-tris[(dimethylamino)methyl]phenol Chemical compound CN(C)CC1=CC(CN(C)C)=C(O)C(CN(C)C)=C1 AHDSRXYHVZECER-UHFFFAOYSA-N 0.000 abstract description 4
- 238000001723 curing Methods 0.000 description 22
- 230000000052 comparative effect Effects 0.000 description 4
- 238000013035 low temperature curing Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000011231 conductive filler Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The invention discloses a kind of high temperature resistant stage curing epoxy-based lacquers and using method thereof, this high temperature resistant stage curing epoxy-based lacquers is by A, B, component C mixes with certain proportion, wherein component A is epoxy resin ingredient, by E-20 bisphenol A epoxide resin, E-51 bisphenol A epoxide resin, F-51 novolac epoxy, nbr carboxyl terminal modification four glycidyl amine type epoxy resin, aluminium sesquioxide, aluminium nitride, aerosil, wetting dispersing agent, coupling agent forms, B component is the first curing agent component, by YH-82 epoxy hardener, C-1041 cardanol solidifying agent of epoxy resin, DMP-30, aerosil, aluminium nitride forms, component C is the second curing agent component, by hexahydrophthalic anhydride, aerosil, aluminium nitride forms.High temperature resistant stage curing epoxy-based lacquers prepared by the present invention has low temperature Procuring, can not produce paint film unfairness, hot setting, maintains the advantage that paint film intensity is high, sticking power is good of hot setting.<pb pnum="1" />
Description
Technical field
The present invention relates to a kind of high temperature resistant stage curing epoxy-based lacquers and using method thereof, belong to specific epoxy paint field.
Background technology
Epoxy-based lacquers is for main ingredient with epoxy resin and solidifying agent, coordinate the conventional paint that suitable auxiliary agent obtains, the advantage of epoxy-based lacquers is very strong to the sticking power of the inorganic materials such as cement, metal, and itself is very corrosion-resistant, good mechanical performance, wear-resisting, shock-resistant, organic solvent-resistant is heat-resisting, water-fast, film is nontoxic.
But common temperature curing epoxy low paint can realize low-temperature curing, but due to state of cure low, paint film intensity, adhesive power etc. are poor; And paint film intensity that common hot setting paint hot setting obtains is high and sticking power is better, but due to levelling property poor, in solidification temperature-rise period, paint film understands unfairness, has a strong impact on painting quality.
Summary of the invention
Technical problem solved by the invention is to provide a kind of high temperature resistant stage curing epoxy-based lacquers and using method thereof.High temperature resistant stage curing epoxy-based lacquers prepared by the present invention has low temperature Procuring, can not produce paint film unfairness, hot setting, maintains the advantage that paint film intensity is high, sticking power is good of hot setting.Meanwhile, the application that its concrete using method used realizes high temperature resistant stage curing epoxy-based lacquers is provided.
The technical scheme that the present invention solves the problem is as follows: a kind of high temperature resistant stage curing epoxy-based lacquers, is characterized in that: be the component A of 100:20-25:75-80, B component and component C by weight part;
Described component A is epoxy resin ingredient, be made up of the raw material of following parts by weight: E-20 bisphenol A epoxide resin 20-25 part, E-51 bisphenol A epoxide resin 30-40 part, F-51 novolac epoxy 4-10 part, nbr carboxyl terminal modification four glycidyl amine type epoxy resin 25 parts, aluminium sesquioxide 80-85 part, aluminium nitride 5-10 part, aerosil 25-30 part, wetting dispersing agent 2 parts, coupling agent KH-560 0.5 part;
Described B component is the first curing agent component, is made up of the raw material of following weight part: YH-82 epoxy hardener 20-30 part, C-1041 cardanol solidifying agent of epoxy resin 20-30 part, DMP-30 3 parts, aerosil 10 parts, aluminium nitride 7 parts;
Described component C is the second curing agent component, is made up of the raw material of following weight part: hexahydrophthalic anhydride 20-30 part, aerosil 10 parts, aluminium nitride 10 parts.
Above-mentioned component A, B component and component C mix respectively in vacuum mixer, pack respectively, mix during use.
Described nbr carboxyl terminal modification four glycidyl amine type epoxy resin rolls into a ball epoxy resin by four glycidic amine type polyfunctionals of 25-28 weight part nbr carboxyl terminal and 72-75 weight part, take triphenylphosphine as catalyzer, react 0.5-1 hour at 120-130 DEG C after, forming two ends has the segmented copolymer of epoxide group link units to be prepared from.
Described four glycidic amine type polyfunctional group epoxy resin can be AG-80 or AG-70.
On the basis of technique scheme, invention can also improve as follows.
Further, the epoxy equivalent (weight) 190 of described E-51 bisphenol A epoxide resin, purchased from Shanghai Resin Factory; The epoxy equivalent (weight) 500 of E-20 bisphenol A epoxide resin is by chemical general factory purchased from yueyang, hunan; F-51 novolac epoxy, purchased from Jinan Yi Sheng resin company limited.
The beneficial effect of above-mentioned three kinds of epoxy resin is adopted to be: E-51 and E-20 part epoxy equivalent (weight) is different, different from the reactive behavior of solidifying agent, can be implemented in low temperature Procuring and two stages of hot setting are all further divided into two steps, realize multistage solidification, stress dispersion is better, paint film does not produce slight crack, does not reduce paint film adhesive power simultaneously; Meanwhile, the novolac epoxy of use has good heat-resisting ability, can improve the resistance to elevated temperatures of paint film.
Further, aluminium sesquioxide and aluminium nitride are high heat conductive filler, can improve the resistance to elevated temperatures of paint film; Wetting dispersing agent and aerosil, in order to the viscosity of the dispersion and paint that regulate each component, realize good flow leveling by regulating consumption; Coupling agent can improve the Interface Adhesion performance of paint film.
Further, YH-82 epoxy hardener belongs to low temperature curing agent, amine value 500-600, purchased from Tianjin Yan Hai Chemical Co., Ltd.; C-1041 cardanol solidifying agent of epoxy resin belongs to low temperature curing agent, purchased from Dalian Fo Site energy-conserving product company limited.
The beneficial effect of above-mentioned low temperature curing agent is adopted to be: above-mentioned solidifying agent can realize epoxy resin primary solidification under the cold condition of+5 to-5 DEG C, makes paint film can not produce trickling phenomenon.The reactive behavior of YH-82 epoxy hardener is greater than C-1041 cardanol solidifying agent of epoxy resin, two kinds of composite uses of solidifying agent can realize segmentation, point active reaction, realize the effect of dispersive stress, the paint film flexibility of C-1041 cardanol solidifying agent of epoxy resin solidification simultaneously can be excellent.
Excellent effect of the present invention is: the high temperature resistant stage curing epoxy-based lacquers that the present invention obtains, it adopts that 3 kinds of epoxy resin is composite, 2 kinds of Low-temperature epoxy solidifying agent and high-temperature curing agent form many gradients, multi-stage curing, realize paint film stress fully to disperse, reach paint film smooth, resistance to cleavage is excellent; Meanwhile, use fire resistant resin, heat conductive filler improves the resistance to elevated temperatures of paint.
Meanwhile, the present invention also provides a kind of using method of high temperature resistant stage curing epoxy-based lacquers, and it is made up of following steps:
(1) component A, B component and component C mix in proportion in vacuum mixer, obtain the high temperature resistant stage curing epoxy-based lacquers of pre-mixing, stand-by;
(2) high temperature resistant for pre-mixing stage curing epoxy-based lacquers is coated on coated thing, Procuring 30 minutes at 10-20 DEG C, obtains the coated thing with pre-cured film;
(3) the coated thing with pre-cured film is proceeded in baking oven or combined padding and drying system, solidify 2 hours again at 120 DEG C-180 DEG C, namely completely solidification obtain that there is the stage curing epoxy paint film of high temperature resistant temperature.
Embodiment
Be described principle of the present invention and feature below, example, just for explaining the present invention, is not intended to limit scope of the present invention.
Embodiment 1:
1) component A is prepared:
Described component A is epoxy resin ingredient, be made up of the raw material of following parts by weight: E-20 bisphenol A epoxide resin 20 parts, E-51 bisphenol A epoxide resin 40 parts, F-51 novolac epoxy 10 parts, nbr carboxyl terminal modification four glycidyl amine type epoxy resin 25 parts, aluminium sesquioxide 80 parts, aluminium nitride 10 parts, aerosil 30 parts, wetting dispersing agent 2 parts, coupling agent KH-560 0.5 part.Each component mixes in vacuum mixer, packed for standby use;
Described nbr carboxyl terminal modification four glycidyl amine type epoxy resin rolls into a ball epoxy resin by four glycidic amine type polyfunctionals of 25 weight part nbr carboxyl terminals and 75 weight parts, take triphenylphosphine as catalyzer, react at 120 DEG C after 1 hour, forming two ends has the segmented copolymer of epoxide group link units to be prepared from.
2) B component is prepared:
Described B component is the first curing agent component, is made up of the raw material of following weight part: YH-82 epoxy hardener 30 parts, C-1041 cardanol solidifying agent of epoxy resin 20 parts, DMP-30 3 parts, aerosil 10 parts, aluminium nitride 7 parts.Each component mixes in vacuum mixer, packed for standby use;
3) component C is prepared:
Described component C is the second curing agent component, is made up of the raw material of following weight part: hexahydrophthalic anhydride 20 parts, aerosil 10 parts, aluminium nitride 10 parts.Each component mixes in vacuum mixer, packed for standby use;
4) high temperature resistant stage curing epoxy-based lacquers is prepared
Above-mentioned component A, B component and component C are that 100:20:80 mixes and get final product in vacuum mixer according to weight part.
Embodiment 2:
1) component A is prepared:
Described component A is epoxy resin ingredient, be made up of the raw material of following parts by weight: E-20 bisphenol A epoxide resin 25 parts, E-51 bisphenol A epoxide resin 30 parts, F-51 novolac epoxy 4 parts, nbr carboxyl terminal modification four glycidyl amine type epoxy resin 25 parts, aluminium sesquioxide 85 parts, aluminium nitride 10 parts, aerosil 25 parts, wetting dispersing agent 2 parts, coupling agent KH-560 0.5 part.Each component mixes in vacuum mixer, packed for standby use.
Described nbr carboxyl terminal modification four glycidyl amine type epoxy resin rolls into a ball epoxy resin by four glycidic amine type polyfunctionals of 28 weight part nbr carboxyl terminals and 72 weight parts, take triphenylphosphine as catalyzer, react at 130 DEG C after 0.5 hour, forming two ends has the segmented copolymer of epoxide group link units to be prepared from.
2) B component is prepared:
Described B component is the first curing agent component, is made up of the raw material of following weight part: YH-82 epoxy hardener 20 parts, C-1041 cardanol solidifying agent of epoxy resin 30 parts, DMP-30 3 parts, aerosil 10 parts, aluminium nitride 7 parts.Each component mixes in vacuum mixer, packed for standby use.
3) component C is prepared:
Described component C is the second curing agent component, is made up of the raw material of following weight part: hexahydrophthalic anhydride 30 parts, aerosil 10 parts, aluminium nitride 10 parts.Each component mixes in vacuum mixer, packed for standby use.
4) high temperature resistant stage curing epoxy-based lacquers is prepared
Above-mentioned component A, B component and component C are that 100:25:75 mixes and get final product in vacuum mixer according to weight part.
Comparative example 1:
Preparation method is basic identical with embodiment 1 with component, and difference is only not add the solidifying agent in component C, and the consumption of B component is that in embodiment 1, YH-82 is 70 parts, and C-1041 is 60 parts.
Comparative example 2:
Preparation method is basic identical with embodiment 2 with component, and difference is only the two kinds of solidifying agent do not added in B component, and the consumption of component C is that in embodiment 1, hexahydrophthalic anhydride is 47 parts.
Comparative example 3:
Preparation method is basic identical with embodiment 1 with component, and difference is only the YH-82 epoxy hardener in embodiment 1 30 parts, C-1041 cardanol solidifying agent of epoxy resin 20 parts to be changed to YH-82 epoxy hardener 50 parts.
Comparative example 4:
Preparation method is basic identical with embodiment 2 with component, and difference is only the E-20 bisphenol A epoxide resin in embodiment 2 25 parts, E-51 bisphenol A epoxide resin 30 parts to be changed to E-51 bisphenol A epoxide resin 55 parts.
Claims (5)
1. a high temperature resistant stage curing epoxy-based lacquers, is characterized in that: by weight part be the component A of 100:20-25:75-80, B component and component C form;
Described component A is epoxy resin ingredient, be made up of the raw material of following parts by weight: E-20 bisphenol A epoxide resin 20-25 part, E-51 bisphenol A epoxide resin 30-40 part, F-51 novolac epoxy 4-10 part, nbr carboxyl terminal modification four glycidyl amine type epoxy resin 25 parts, aluminium sesquioxide 80-85 part, aluminium nitride 5-10 part, aerosil 25-30 part, wetting dispersing agent 2 parts, coupling agent KH-5600.5 part;
Described B component is the first curing agent component, is made up of the raw material of following weight part: YH-82 epoxy hardener 20-30 part, C-1041 cardanol solidifying agent of epoxy resin 20-30 part, DMP-303 part, aerosil 10 parts, aluminium nitride 7 parts;
Described component C is the second curing agent component, is made up of the raw material of following weight part: hexahydrophthalic anhydride 20-30 part, aerosil 10 parts, aluminium nitride 10 parts;
Above-mentioned component A, B component and component C mix respectively in vacuum mixer, pack respectively, mix during use;
Described nbr carboxyl terminal modification four glycidyl amine type epoxy resin rolls into a ball epoxy resin by four glycidic amine type polyfunctionals of 25-28 weight part nbr carboxyl terminal and 72-75 weight part, take triphenylphosphine as catalyzer, react 0.5-1 hour at 120-130 DEG C after, forming two ends has the segmented copolymer of epoxide group link units to be prepared from.
2. high temperature resistant stage curing epoxy-based lacquers according to claim 1, is characterized in that: by weight part be the component A of 100:20:80, B component and component C form;
Described component A is epoxy resin ingredient, be made up of the raw material of following parts by weight: E-20 bisphenol A epoxide resin 20 parts, E-51 bisphenol A epoxide resin 40 parts, F-51 novolac epoxy 10 parts, nbr carboxyl terminal modification four glycidyl amine type epoxy resin 25 parts, aluminium sesquioxide 80 parts, aluminium nitride 10 parts, aerosil 30 parts, wetting dispersing agent 2 parts, coupling agent KH-5600.5 part;
Described B component is the first curing agent component, is made up of the raw material of following weight part: YH-82 epoxy hardener 30 parts, C-1041 cardanol solidifying agent of epoxy resin 20 parts, DMP-303 part, aerosil 10 parts, aluminium nitride 7 parts;
Described component C is the second curing agent component, is made up of the raw material of following weight part: hexahydrophthalic anhydride 20 parts, aerosil 10 parts, aluminium nitride 10 parts;
Above-mentioned component A, B component and component C mix respectively in vacuum mixer, pack respectively, mix during use;
Described nbr carboxyl terminal modification four glycidyl amine type epoxy resin rolls into a ball epoxy resin by four glycidic amine type polyfunctionals of 25 weight part nbr carboxyl terminals and 75 weight parts, take triphenylphosphine as catalyzer, react at 120 DEG C after 1 hour, forming two ends has the segmented copolymer of epoxide group link units to be prepared from.
3. high temperature resistant stage curing epoxy-based lacquers according to claim 1, is characterized in that: by weight part be the component A of 100:25:75, B component and component C form;
Described component A is epoxy resin ingredient, be made up of the raw material of following parts by weight: E-20 bisphenol A epoxide resin 25 parts, E-51 bisphenol A epoxide resin 30 parts, F-51 novolac epoxy 4 parts, nbr carboxyl terminal modification four glycidyl amine type epoxy resin 25 parts, aluminium sesquioxide 85 parts, aluminium nitride 10 parts, aerosil 25 parts, wetting dispersing agent 2 parts, coupling agent KH-5600.5 part;
Described B component is the first curing agent component, is made up of the raw material of following weight part: YH-82 epoxy hardener 20 parts, C-1041 cardanol solidifying agent of epoxy resin 30 parts, DMP-303 part, aerosil 10 parts, aluminium nitride 7 parts;
Described component C is the second curing agent component, is made up of the raw material of following weight part: hexahydrophthalic anhydride 30 parts, aerosil 10 parts, aluminium nitride 10 parts;
Above-mentioned component A, B component and component C mix respectively in vacuum mixer, pack respectively, mix during use;
Described nbr carboxyl terminal modification four glycidyl amine type epoxy resin rolls into a ball epoxy resin by four glycidic amine type polyfunctionals of 28 weight part nbr carboxyl terminals and 72 weight parts, take triphenylphosphine as catalyzer, react at 130 DEG C after 0.5 hour, forming two ends has the segmented copolymer of epoxide group link units to be prepared from.
4. the high temperature resistant stage curing epoxy-based lacquers of the one of any one of claim 1-3, is characterized in that: described four glycidic amine type polyfunctional group epoxy resin are AG-80 or AG-70.
5. the using method of high temperature resistant stage curing epoxy-based lacquers any one of claim 1-3, is characterized in that: it is made up of following steps:
(1) component A, B component and component C mix in proportion in vacuum mixer, obtain the high temperature resistant stage curing epoxy-based lacquers of pre-mixing, stand-by;
(2) high temperature resistant for pre-mixing stage curing epoxy-based lacquers is coated on coated thing, Procuring 30 minutes at 10-20 DEG C, obtains the coated thing with pre-cured film;
(3) the coated thing with pre-cured film is proceeded in baking oven or combined padding and drying system, solidify 2 hours again at 120 DEG C-180 DEG C, namely solidification obtains having the stage curing epoxy paint film of high temperature resistant temperature completely.
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| CN106010127B (en) * | 2016-07-20 | 2017-12-05 | 中国森田企业集团有限公司 | A kind of stage curing epoxy-based lacquers of high temperature resistant and its application method |
| CN106381016A (en) * | 2016-08-31 | 2017-02-08 | 重庆南方漆业有限公司 | Epoxy primer having good early water resistance and preparation method thereof |
| CN107057520A (en) * | 2017-02-15 | 2017-08-18 | 盘锦群益管道防腐有限公司 | A kind of preparation method of high-temperaure coating |
| CN114214016A (en) * | 2021-11-29 | 2022-03-22 | 道生天合材料科技(上海)股份有限公司 | Two-component epoxy resin and preparation method thereof |
| CN114516204A (en) * | 2022-01-25 | 2022-05-20 | 铜川光速芯材科技有限公司 | LED transparent circuit board and preparation method thereof |
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