CN115975495A - High-transparency anti-sinking double-component transparent primer and preparation method thereof - Google Patents
High-transparency anti-sinking double-component transparent primer and preparation method thereof Download PDFInfo
- Publication number
- CN115975495A CN115975495A CN202211664887.5A CN202211664887A CN115975495A CN 115975495 A CN115975495 A CN 115975495A CN 202211664887 A CN202211664887 A CN 202211664887A CN 115975495 A CN115975495 A CN 115975495A
- Authority
- CN
- China
- Prior art keywords
- component
- parts
- agent
- transparent primer
- ester solvent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 39
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims abstract description 28
- -1 aldehyde ketone Chemical class 0.000 claims abstract description 23
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 22
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000003085 diluting agent Substances 0.000 claims abstract description 12
- 229920005989 resin Polymers 0.000 claims abstract description 12
- 239000011347 resin Substances 0.000 claims abstract description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 11
- 239000004205 dimethyl polysiloxane Substances 0.000 claims abstract description 11
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims abstract description 11
- 229920000058 polyacrylate Polymers 0.000 claims abstract description 11
- 229920000570 polyether Polymers 0.000 claims abstract description 11
- 229920000180 alkyd Polymers 0.000 claims abstract description 9
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 9
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 9
- 235000019864 coconut oil Nutrition 0.000 claims abstract description 9
- 239000003240 coconut oil Substances 0.000 claims abstract description 9
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 9
- 239000000194 fatty acid Substances 0.000 claims abstract description 9
- 229930195729 fatty acid Natural products 0.000 claims abstract description 9
- 150000004665 fatty acids Chemical class 0.000 claims abstract description 9
- 239000003921 oil Substances 0.000 claims abstract description 9
- 235000019198 oils Nutrition 0.000 claims abstract description 9
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 8
- 239000012024 dehydrating agents Substances 0.000 claims abstract description 8
- 239000002270 dispersing agent Substances 0.000 claims abstract description 8
- 239000002904 solvent Substances 0.000 claims abstract description 8
- 238000009736 wetting Methods 0.000 claims abstract description 8
- 239000007787 solid Substances 0.000 claims abstract description 7
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims abstract description 6
- 239000004814 polyurethane Substances 0.000 claims abstract description 4
- 229920002635 polyurethane Polymers 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims description 12
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- 238000007665 sagging Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 5
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical group COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 claims description 5
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 239000002250 absorbent Substances 0.000 claims description 3
- 230000002745 absorbent Effects 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 239000012948 isocyanate Substances 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 229940124543 ultraviolet light absorber Drugs 0.000 claims description 2
- 125000000524 functional group Chemical group 0.000 claims 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims 1
- 239000002023 wood Substances 0.000 abstract description 11
- 238000000576 coating method Methods 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 3
- 239000003973 paint Substances 0.000 description 11
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000005034 decoration Methods 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical group O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000013638 trimer Substances 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention belongs to the technical field of coatings, and particularly relates to a high-transparency anti-sinking double-component transparent primer and a preparation method thereof. The two-component polyurethane primer comprises a component A, a component B and a diluent, wherein the component A comprises the following components in parts by weight: 60-70 parts of coconut oil fatty acid modified short oil alkyd resin, 3-5 parts of aldehyde ketone resin, 0.2-0.5 part of wetting dispersant, 0.1-0.5 part of antioxidant, 0.3-0.5 part of ultraviolet absorber, 5-10 parts of ether ester solvent, 10-20 parts of ester solvent, 3-5 parts of alcohol solvent, 0.1-0.5 part of defoaming agent, 0.2-0.5 part of polyacrylate flatting agent and 0.01-0.05 part of polyether modified polydimethylsiloxane flatting agent; the component B comprises the following components in parts by weight: 20-25 parts of n-butyl acetate, 0.1-0.3 part of dehydrating agent, 40-50 parts of TDI curing agent and 20-30 parts of HDI curing agent. The two-component primer solves the problems of poor transparency, sinking and color change of high-end solid wood or novel veneer beautification plates.
Description
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to a high-transparency anti-sinking bi-component transparent primer and a preparation method thereof.
Background
Along with the continuous improvement of the material and cultural life of people, the quality of living environment and home furnishing is higher and higher, the furniture materials with various shapes and colors are more and more outstanding, the modern scientific and technological veneer is also called as beautifying board, scientific and technological board, composite board and artificial veneer, and the wood is beautified and processed by adopting science and technology or means to meet the novel wood which is required to be refined by people in modern society for wood use. The scientific and technological veneer has the characteristics of thinness, easy adhesion, extremely low cost and the like, can replace natural original veneers, protects the ecological environment of human beings, and is widely applied to the fields of furniture, cabinets, display rack boards, indoor and outdoor decoration, house decoration, product decoration and the like. In recent years, science and technology veneer sheets are increasingly popular and favored by consumers, occupy an indispensable position in home production, and are mainstream products of furniture manufacturers. The technical wood veneer is easy to turn yellow after being processed by the technology or other means, the surface effect of the traditional PU powder-containing primer is poor, the transparency is poor, the hand feeling is avoided, the color of the original technical wood veneer is changed, the texture of the original solid wood is avoided, a paint film is easy to sink, and the problem is often brought to furniture manufacturers and home decoration construction teams.
Disclosure of Invention
The invention solves the technical problem of providing a high-transparency anti-sagging two-component transparent primer which has the characteristics of high hardness, good adhesive force, chemical resistance, water resistance, weather resistance, good construction performance and the like, and solves the problems of poor transparency, sagging, color change and the like of high-end solid wood or novel veneering beautification plates; on the other hand, the invention also provides a preparation method of the high-transparency anti-sinking double-component transparent primer.
The invention solves the problems through the following technical scheme:
a high-transparency anti-sinking double-component transparent primer is prepared from a preparation raw material comprising a component A, a component B and a diluent, wherein the weight part ratio of the component A to the component B is 100:150 to 160; the addition amount of the diluent can be the conventional amount of a person skilled in the art, can be adjusted according to the use scene, generally accounts for 80-100 parts of the whole coating in the coating construction, and can obtain a paint film with excellent physicochemical properties and decorative properties after being dried.
In the formula of the primer, the component A comprises the following components in parts by weight: 60-70 parts of coconut oil fatty acid modified short oil alkyd resin, 3-5 parts of aldehyde ketone resin, 0.2-0.5 part of wetting dispersant, 0.1-0.5 part of antioxidant, 0.3-0.5 part of ultraviolet absorber, 5-10 parts of ether ester solvent, 10-20 parts of ester solvent, 3-5 parts of alcohol solvent, 0.1-0.5 part of defoaming agent, 0.2-0.5 part of polyacrylate flatting agent and 0.01-0.05 part of polyether modified polydimethylsiloxane flatting agent.
Furthermore, the coconut oil fatty acid modified short oil alkyd resin has the fineness of 3-10 microns, the viscosity of 30000-45000CPS, the hydroxyl value content of 120 +/-10 mgKOH/g and the solid content of 70 +/-2 percent, and is preferably Dachang resin DC-1270D or Xichang XC-8515.
Further, the aldehyde ketone resin has light stability, fast curing, high hardness and high adhesion, and is preferably basf a81.
Further, the ester solvent comprises at least one of n-Butyl Acetate (BAC) and Ethyl Acetate (EAC); the ether ester solvent is propylene glycol methyl ether acetate (PMA); the alcohol solvent is industrial alcohol.
Further, the wetting dispersant is a modified polyurethane polymer, preferably EFKA-4010 or EFKA-4310; the defoaming agent is modified polysiloxane, preferably, the modified polysiloxane is 5300 or 5400 or BYK-141 and the like.
Further, the antioxidant is preferably Ciba 1130 or Disbaron 1010; the ultraviolet light absorber can be at least one of UV-2 and UV-531 of Disibaron or Ciba.
Further, the polyacrylate flatting agent is a polyacrylate flatting agent, and the polyether modified polydimethylsiloxane flatting agent is a polyether modified polydimethylsiloxane flatting agent; the polyacrylate leveling agent is preferably BYK-358N, EFKA3600; the polyether modified polydimethylsiloxane leveling agent is preferably BYK-323, BYK-300 and BYK-333.
In the formula of the primer, the component B comprises the following components in parts by weight: 20-25 parts of n-butyl acetate, 0.1-0.3 part of dehydrating agent, 40-50 parts of TDI curing agent and 20-30 parts of HDI curing agent.
Further, the dehydrating agent is monofunctional isocyanate, preferably Bayer TI and Ciba BF-5.
Further, the HDI curing agent is hexamethylene diisocyanate trimer, preferably N3390 of Bayer Germany, basff HI 190B/S; TDI curing agent is low molecular weight toluene diisocyanate trimer, and is good in compatibility with acrylic resin, preferably AC-510 of Sabius Italy, D-262T of Mitsui Japan, and more preferably L1451 of Bayer Germany.
In the formula of the primer, the weight part ratio of the component A to the component B to the diluent is 100:150-160:80-100.
Further, the diluent comprises the following components in parts by weight: 5-10 parts of cyclohexanone, 45-55 parts of propylene glycol methyl ether acetate and 25-55 parts of n-butyl acetate.
On the other hand, the invention also provides a preparation method of the high-transparency anti-sinking double-component transparent primer, which comprises the following steps:
the preparation steps of the component A are as follows:
1) Adding the coconut oil fatty acid modified short oil alkyd resin of the component A, a wetting dispersant, a defoaming agent and a partial ether ester solvent, and dispersing for 8-10 minutes at the speed of 400-500 rpm until the mixture is uniform;
2) Adding antioxidant, ultraviolet absorbent and aldehyde ketone resin, and dispersing at 800-1000 rpm for 10-15 min;
3) Adding a polyacrylate flatting agent, a polyether modified polydimethylsiloxane flatting agent, a residual ether ester solvent, an ester solvent and an alcohol solvent, and dispersing at the speed of 800-1000 rpm for 8-10 minutes until the mixture is uniform;
4) Filtering to obtain component A after the inspection is qualified;
the preparation of the component B comprises the following steps:
1) Adding a dehydrating agent into n-butyl acetate to fully dehydrate the n-butyl acetate;
2) Adding TDI curing agent and HDI curing agent, and dispersing at 500-800 rpm for 5-10 min;
3) And filtering to obtain the component B after the inspection is qualified.
The invention has the beneficial effects that:
1. the film-forming substance coconut oil fatty acid modified short oil alkyd resin selected by the invention can improve the hardness of a paint film, the solid content can be increased by matching with aldehyde ketone resin, the hardness of the paint film is obviously improved, the prepared paint film has strong permeability, is easy to polish and raise powder, and has high penetration effect without adding polishing powder, so that the transparency of the paint film is greatly improved, and the environmental pollution caused by VOC (volatile organic compounds) emission in the atmosphere is reduced due to the low viscosity of the aldehyde ketone resin and the use amount of organic solvent in paint liquid. The resin has high hardness and high yellowing resistance of the traditional acrylic resin, and also has excellent high flexibility and high adhesive force, so that the aim of preventing sinking is fulfilled.
2. The polyether modified polydimethylsiloxane leveling agent selected by the invention is beneficial to improving the anti-cratering performance of a paint film and is uniformly distributed in the molecule and on the surface of the paint film, the selected polyacrylate high polymer leveling agent can improve the flatness of the paint film, so that primer does not generate fogging and delamination, and the introduced antioxidant and ultraviolet absorber can improve the weather resistance of the paint film.
3. The invention reasonably matches TDI low molecular weight tripolymer curing agent and HDI hexamethylene diisocyanate polymer curing agent in the component B, and controls the ratio of OH/NCO to ensure that the functionality of resin and curing agent reaches 1: and 2, controlling the crosslinking density to reasonably control the surface drying and actual drying processes of the coating, so that the curing reaction is stable, and the coating has high hardness and high toughness, thereby achieving the purposes of high adhesive force and sinking prevention.
Detailed Description
The present invention is further illustrated, but is not limited, by the following examples. The methods of the present invention are those commonly used in the art unless otherwise specified, and the reagents of the present invention are commercially available in general unless otherwise specified.
One embodiment of the high-transparency anti-sinking two-component transparent primer is prepared from a component A, a component B and a diluent, wherein:
component a examples 1 to 5 were prepared according to the formulation of table 1 below:
table 1: component A formulations of examples 1 to 5
Component A examples 1 to 5 were prepared as follows:
1) According to the formula in the table, the coconut oil fatty acid modified short oil alkyd resin, the wetting dispersant, the defoaming agent and part of ether ester solvent of the component A are added in sequence and put into a dispersion cylinder, and are dispersed for 8-10 minutes to be uniform at the speed of 400-500 r/min;
2) Then adding antioxidant, ultraviolet absorbent and aldehyde ketone resin in sequence, and dispersing for 10-15 minutes at the speed of 800-1000 rpm;
3) Then sequentially adding a polyacrylate flatting agent, a polyether modified polydimethylsiloxane flatting agent, the residual ether ester solvent, the ester solvent and the alcohol solvent, and dispersing at the speed of 800-1000 rpm for 8-10 minutes until the mixture is uniform;
4) Finally, the product is qualified by inspection, and the component A, the example 1-5, is obtained by filtering with 200-mesh filter cloth.
Component b examples 6 to 10 were prepared according to the formulations of table 2 below:
table 2: composition B formulations of examples 6 to 10
The preparation steps of component B examples 6 to 10 are as follows:
1) Adding a dehydrating agent into n-butyl acetate according to the formula in the table to fully dehydrate the n-butyl acetate for 1 hour;
2) Then adding TDI curing agent and HDI curing agent in turn, dispersing for 5-10 minutes at 500-800 rpm until uniform;
3) And (5) detecting to be qualified, filtering and packaging to obtain the component B of the embodiment 6-10.
Respectively mixing the prepared component A examples 1-5 and component B examples 6-10 with a proper amount of diluent according to the weight part ratio of 100:150-160:80-100, and mixing the component A in the comparative example 1 and the component B in the comparative example 2 with a proper amount of diluent according to the weight part ratio of 100:150-160:80-100, respectively performing spray test on the mixture on technical wood veneers by a method commonly used in the field, wherein the performance detection results are shown in the following table 3 according to GB-18581-2020 standard and GB/T23997-2009 standard:
table 3: results of performance testing
Wherein, example 1+ example 6 are understood as the test results of the primer of the component A, example 1 and the component B, example 6 mixed with proper amount of thinner, and other similar expressions can be understood as the same.
Each of the component a examples 1 to 5 was mixed with any of the component b examples (as in example 6) and diluent at a ratio of 100:150-160:80-100, and mixing the component A and the component B in the proportion of 100:150-160:80-100, respectively spraying the mixture on technical wood veneer by a method commonly used in the field, and according to GB-18581-2020 standard and GB/T23997-2009 standard, the performance test results are shown in the following table 4:
table 4: results of performance testing
The results show that the invention accords with the national standard GB-18581-2009 and the GB/T23997-2009, solves the problems of poor transparency, sinking and color change of high-end solid wood or novel veneer beautified plates, and has the characteristics of traditional good adhesive force, high hardness, water resistance, weather resistance, good construction performance and the like.
It should be understood that the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the features and principles of the present invention as described in the claims should be included in the scope of the present invention.
Claims (10)
1. The high-transparency anti-sinking double-component transparent primer is characterized in that the preparation raw materials comprise a component A, a component B and a diluent, wherein the weight part ratio of the component A to the component B is 100:150 to 160;
the component A comprises the following components in parts by weight: 60-70 parts of coconut oil fatty acid modified short oil alkyd resin, 3-5 parts of aldehyde ketone resin, 0.2-0.5 part of wetting dispersant, 0.1-0.5 part of antioxidant, 0.3-0.5 part of ultraviolet absorber, 5-10 parts of ether ester solvent, 10-20 parts of ester solvent, 3-5 parts of alcohol solvent, 0.1-0.5 part of defoaming agent, 0.2-0.5 part of polyacrylate flatting agent and 0.01-0.05 part of polyether modified polydimethylsiloxane flatting agent;
the component B comprises the following components in parts by weight: 20-25 parts of n-butyl acetate, 0.1-0.3 part of dehydrating agent, 40-50 parts of TDI curing agent and 20-30 parts of HDI curing agent.
2. The high-transparency anti-sagging two-component transparent primer as claimed in claim 1, wherein in the component A, the fineness of the coconut oil fatty acid modified short oil alkyd resin is 3-10 microns, the viscosity is 30000-45000CPS, the hydroxyl value content is 120 +/-10 mgKOH/g, and the solid content is 70 +/-2%.
3. The high-transparency anti-sagging two-component transparent primer as claimed in claim 1, wherein in the A component, the polyacrylate leveling agent comprises at least one of BYK-358N, EFKA3600; the polyether modified polydimethylsiloxane leveling agent comprises at least one of BYK-323 and BYK-300.
4. The high-transparency anti-sagging two-component transparent primer as claimed in claim 1, wherein in the component A, the ester solvent is at least one of n-butyl acetate and ethyl acetate; the ether ester solvent is propylene glycol methyl ether acetate; the alcohol solvent is industrial ethanol.
5. The high-transparency anti-sagging two-component transparent primer as claimed in claim 1, wherein in the component A, the wetting dispersant is a modified polyurethane polymer; the defoaming agent is modified polysiloxane.
6. The high penetration sag-resistant two-component clear primer according to claim 1, wherein in the component A, the antioxidant comprises at least one of Ciba 1130 and Disbaron 1010; the ultraviolet light absorber includes at least one of UV-2 and UV-531.
7. The high-transparency anti-sagging two-component transparent primer as claimed in claim 1, wherein in the component B, the dehydrating agent is isocyanate with a single functional group.
8. The high-transparency anti-sagging two-component transparent primer as claimed in claim 1, wherein the weight part ratio of the component A, the component B and the diluent is 100:150-160:80-100.
9. The high-transparency sag-resistant two-component transparent primer according to claim 8, wherein the diluent comprises the following components in parts by weight: 5-10 parts of cyclohexanone, 45-55 parts of propylene glycol methyl ether acetate and 25-55 parts of n-butyl acetate.
10. A method for preparing the high-transparency anti-sagging two-component transparent primer as claimed in any one of claims 1 to 9, comprising the steps of:
the preparation steps of the component A are as follows:
1) Adding the coconut oil fatty acid modified short oil alkyd resin of the component A, a wetting dispersant, a defoaming agent and a partial ether ester solvent, and dispersing at the speed of 400-500 rpm for 8-10 minutes until the mixture is uniform;
2) Adding antioxidant, ultraviolet absorbent and aldehyde ketone resin, and dispersing at 800-1000 rpm for 10-15 min;
3) Adding a polyacrylate flatting agent, a polyether modified polydimethylsiloxane flatting agent, a residual ether ester solvent, an ester solvent and an alcohol solvent, and dispersing at the speed of 800-1000 rpm for 8-10 minutes until the mixture is uniform;
4) Filtering to obtain component A after the inspection is qualified;
the preparation of the component B comprises the following steps:
1) Adding a dehydrating agent into n-butyl acetate to fully dehydrate the n-butyl acetate;
2) Adding TDI curing agent and HDI curing agent, dispersing at 500-800 rpm for 5-10 min to uniformity;
3) And filtering to obtain the component B after the inspection is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211664887.5A CN115975495B (en) | 2022-12-23 | 2022-12-23 | High-permeability sagging-prevention double-component transparent primer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211664887.5A CN115975495B (en) | 2022-12-23 | 2022-12-23 | High-permeability sagging-prevention double-component transparent primer and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115975495A true CN115975495A (en) | 2023-04-18 |
| CN115975495B CN115975495B (en) | 2024-04-26 |
Family
ID=85975353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211664887.5A Active CN115975495B (en) | 2022-12-23 | 2022-12-23 | High-permeability sagging-prevention double-component transparent primer and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115975495B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3884469B1 (en) * | 2005-09-15 | 2007-02-21 | Ｊｓｒ株式会社 | Liquid curable resin composition for optical fiber up jacket |
| CN101845266A (en) * | 2009-03-24 | 2010-09-29 | 陈姣英 | Anti-blushing transparent woodwork coating and production process thereof |
| CN104592873A (en) * | 2014-12-30 | 2015-05-06 | 英德市雅家涂料有限公司 | Miliaria-preventing transparent PU priming paint and manufacturing process thereof |
| CN109593459A (en) * | 2018-10-31 | 2019-04-09 | 澳达树熊涂料(惠州)有限公司 | A kind of white dumb light rattan articles polyurethane coating of bi-component and preparation method thereof |
| CN110922869A (en) * | 2019-11-25 | 2020-03-27 | 广东花王涂料有限公司 | Clear primer for scientific wood veneer and preparation method thereof |
| CN113583558A (en) * | 2021-08-27 | 2021-11-02 | 漳州台兴化工涂料有限公司 | Odorless scratch-resistant polyurethane matte varnish and preparation method thereof |
-
2022
- 2022-12-23 CN CN202211664887.5A patent/CN115975495B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3884469B1 (en) * | 2005-09-15 | 2007-02-21 | Ｊｓｒ株式会社 | Liquid curable resin composition for optical fiber up jacket |
| CN101845266A (en) * | 2009-03-24 | 2010-09-29 | 陈姣英 | Anti-blushing transparent woodwork coating and production process thereof |
| CN104592873A (en) * | 2014-12-30 | 2015-05-06 | 英德市雅家涂料有限公司 | Miliaria-preventing transparent PU priming paint and manufacturing process thereof |
| CN109593459A (en) * | 2018-10-31 | 2019-04-09 | 澳达树熊涂料(惠州)有限公司 | A kind of white dumb light rattan articles polyurethane coating of bi-component and preparation method thereof |
| CN110922869A (en) * | 2019-11-25 | 2020-03-27 | 广东花王涂料有限公司 | Clear primer for scientific wood veneer and preparation method thereof |
| CN113583558A (en) * | 2021-08-27 | 2021-11-02 | 漳州台兴化工涂料有限公司 | Odorless scratch-resistant polyurethane matte varnish and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李志祯;金祝年;叶剑均;胡玲霞;: "PU亚光清漆耐黄变性能的影响", 金华职业技术学院学报, no. 03, pages 46 - 49 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115975495B (en) | 2024-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112646467A (en) | Wear-resistant high-transparency super-smooth PU open matte top-coat paint and preparation method thereof | |
| CN101381581B (en) | Polyurethane transparent matt topcoat, preparation method and use method thereof | |
| CN109852221B (en) | Low-VOC high-performance double-component waterborne polyurethane wood coating and preparation method thereof | |
| CN111978848A (en) | Yellowing-resistant dull odor-free PU polyurethane clear finish and preparation method thereof | |
| CN107936814B (en) | POSS (polyhedral oligomeric silsesquioxane) modified high-hardness polyurethane odor-free wood lacquer | |
| CN111040613A (en) | Solvent-free single-component polyurethane waterproof coating and preparation method thereof | |
| CN112831265A (en) | PU (polyurethane) coating and application thereof | |
| CN102676017A (en) | Wood lacquer and preparation method thereof | |
| CN103857720A (en) | 2-component polyurethane coating on fiber cement | |
| CN101240135B (en) | Simple painted metal imitation fluorocarbon paint | |
| CN110964415A (en) | Polyester top-coat paint | |
| EP3919189A1 (en) | Wood product and preparation method therefor | |
| CN103666179A (en) | VOC (volatile organic compound)-free epoxy modified water-borne PU (polyurethane) finish paint and preparation method thereof | |
| CN107828326B (en) | A kind of high richness mirror surface gloss varnish of collapse and its preparation process | |
| CN109306235A (en) | High transparency polyurethane matte varnish and preparation method thereof | |
| CN115975495B (en) | High-permeability sagging-prevention double-component transparent primer and preparation method thereof | |
| CN115403994A (en) | Aspartame polyurea solvent-free matte odor-free coating and preparation method thereof | |
| CN106280600A (en) | The formula of double-component waterborne polyurethane finish paint and preparation technology | |
| CN112876961A (en) | Yellowing-resistant aqueous double-component woodenware coating for dyed wood veneer | |
| CN115093783B (en) | Extremely-matt thin transparent matt varnish for solid wood furniture and preparation method thereof | |
| CN111826113A (en) | Paper-plastic film-coated moisture curing reaction type polyurethane hot melt adhesive and preparation method thereof | |
| CN114752266B (en) | UV wood lacquer and preparation method thereof | |
| CN114672231A (en) | Anti-dyeing wood bark color-changing PU gold oil and preparation method thereof | |
| CN112375442A (en) | Acid rain resistant automobile finish and preparation method thereof | |
| CN113025186A (en) | Normal-temperature reactive dermatoglyph paint and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |