CN113667384A - Light filtering powder coating and preparation method thereof - Google Patents
Light filtering powder coating and preparation method thereof Download PDFInfo
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- CN113667384A CN113667384A CN202110885493.1A CN202110885493A CN113667384A CN 113667384 A CN113667384 A CN 113667384A CN 202110885493 A CN202110885493 A CN 202110885493A CN 113667384 A CN113667384 A CN 113667384A
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- 239000011248 coating agent Substances 0.000 title claims abstract description 63
- 238000000576 coating method Methods 0.000 title claims abstract description 63
- 239000000843 powder Substances 0.000 title claims abstract description 45
- 238000001914 filtration Methods 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000011347 resin Substances 0.000 claims abstract description 15
- 229920005989 resin Polymers 0.000 claims abstract description 15
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 11
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 11
- 239000004593 Epoxy Substances 0.000 claims abstract description 11
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 11
- 229920001225 polyester resin Polymers 0.000 claims abstract description 11
- 239000004645 polyester resin Substances 0.000 claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 5
- QUAMTGJKVDWJEQ-UHFFFAOYSA-N octabenzone Chemical compound OC1=CC(OCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 QUAMTGJKVDWJEQ-UHFFFAOYSA-N 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 16
- 238000007580 dry-mixing Methods 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 11
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 claims description 10
- MCPKSFINULVDNX-UHFFFAOYSA-N drometrizole Chemical compound CC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 MCPKSFINULVDNX-UHFFFAOYSA-N 0.000 claims description 9
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 claims description 9
- 238000001723 curing Methods 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000005058 Isophorone diisocyanate Substances 0.000 claims description 5
- 239000005639 Lauric acid Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical group CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims description 5
- 239000002671 adjuvant Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000010298 pulverizing process Methods 0.000 claims 1
- 238000002834 transmittance Methods 0.000 abstract description 9
- 230000004224 protection Effects 0.000 abstract description 7
- 230000006378 damage Effects 0.000 abstract description 6
- 230000032683 aging Effects 0.000 abstract description 5
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 238000004132 cross linking Methods 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract 1
- 208000014674 injury Diseases 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000006750 UV protection Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000007590 electrostatic spraying Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000003847 radiation curing Methods 0.000 description 3
- 239000012780 transparent material Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229940124543 ultraviolet light absorber Drugs 0.000 description 2
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Images
Classifications
-
- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/10—Epoxy resins modified by unsaturated compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
-
- 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
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention provides a light filtering powder coating and a preparation method thereof. The light filtering powder coating comprises the following components in parts by weight: 365 parts of base resin, 112 parts of curing agent, 80 parts of auxiliary agent and 5 parts of light filter; wherein the base resin is selected from any one or more of epoxy acrylic resin and hydroxyl polyester resin. The light filtering powder coating provided by the invention has the advantages of high curing speed and strong adhesive force, a coating formed after curing has high crosslinking density and hardness, the light transmittance is good, and the ultraviolet filtering and absorbing rate is high, so that the light filtering powder coating can provide protection for an object while transmitting light, is very suitable for protecting the object which is easy to age due to ultraviolet irradiation but needs to show the body color, is also suitable for protecting the coating of a transparent light-transmitting object, can ensure the internal and external light transmittance and simultaneously filter and absorb ultraviolet rays, and avoids the damage and aging of the object or the injury to the skin of a human body caused by ultraviolet irradiation.
Description
Technical Field
One or more embodiments of the present disclosure relate to the field of powder coating technology, and more particularly, to a light filtering powder coating and a method for preparing the same.
Background
The powder coating is a solid powder synthetic resin coating composed of solid resin, pigment, filler and assistant, and is different from common solvent-type coating and water-based coating, its dispersion medium is not solvent and water, but air, it has the characteristics of no solvent pollution, 100% film formation and low energy consumption, and the powder coating is completely different from general coating in form, and it exists in the state of fine powder, so that it is called powder coating, and its main characteristics are harmless, high efficiency, saving resources and environmental protection.
The applicant finds that ultraviolet rays can cause influences such as aging on objects and can also cause damage to the skin of a human body, and when coating protection is performed on the objects at present, corresponding powder coating often has multiple fillers, so that the powder coating has various colors, and is poor in light-tight property or light transmittance, although the coating objects can be shielded to avoid ultraviolet irradiation, the protection performance of the powder coating on the ultraviolet rays is poor, so that the powder coating is easy to age under the ultraviolet irradiation, but some objects sometimes need to show surface fine structures and body colors of the objects, or objects made of transparent materials, and the existing powder coating is difficult to apply.
Disclosure of Invention
In view of this, an object of one or more embodiments of the present disclosure is to provide a light filtering powder coating and a method for preparing the same, so as to solve the problems that the existing powder coating has a plurality of fillers, so that the powder coating itself has various colors, is poor in light-proof or light-transmitting property, is easy to age under ultraviolet irradiation, and is difficult to be applied to objects which need to embody its own surface microstructure and bulk color or some transparent materials.
In view of the above, one or more embodiments of the present disclosure provide a light filtering powder coating, which comprises the following components in parts by weight:
365 parts of base resin, 60-80 parts of curing agent, 50-80 parts of auxiliary agent and 5-10 parts of light filter.
In some alternative embodiments, the base resin is selected from any one or combination of epoxy acrylic resin and hydroxyl polyester resin;
preferably, the base resin is composed of epoxy acrylic resin and hydroxyl polyester resin according to a mass ratio of 48: 25.
In some alternative embodiments, the curing agent is isophorone diisocyanate.
In some alternative embodiments, the adjuvant consists of lauric acid and GLP588 in a mass ratio of 25:1, GLP588 being a leveling agent.
The substrate resin is formed by mixing the substrate resins consisting of epoxy acrylic resin and hydroxyl polyester resin in proportion, the epoxy acrylic resin and the hydroxyl polyester resin are both transparent resins, and the whole body is also transparent after the epoxy acrylic resin and the hydroxyl polyester resin are mixed, so that a coating of a light-transmitting structure is formed, the use of objects which need to embody the surface microstructure and the body color of the object or some transparent materials is facilitated, the surface microstructure and the body color of the object can be observed through the light-transmitting coating, or light or sunlight can be transmitted, so that the transparent object can still transmit light, and a certain light transmittance is kept.
In some alternative embodiments, the filter is selected from any one or more of 2-hydroxy-4-methoxybenzophenone, 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole, or 2-hydroxy-4-n-octoxybenzophenone;
preferably, the light filter consists of 2-hydroxy-4-methoxybenzophenone, 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole and 2-hydroxy-4-n-octoxybenzophenone in a mass ratio of 3:1: 1.
In the invention, the powder coating is added with a light filter, the light filter consists of 2-hydroxy-4-methoxybenzophenone, 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole and 2-hydroxy-4-n-octoxybenzophenone according to a corresponding proportion, the 2-hydroxy-4-methoxybenzophenone is an ultraviolet light absorber, the maximum absorption wavelength range is 280-340nm, the thermal stability is good, the decomposition temperature is more than 200 ℃, the light filter hardly absorbs visible light, most of ultraviolet light can be absorbed while the light transmittance is ensured after the coating is formed, the 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole is also an ultraviolet light absorber, the maximum absorption wavelength range is 270-380nm, the ultraviolet absorption efficiency can be further improved, and the 2-hydroxy-4-n-octoxy benzophenone is good in compatibility with various resins, can be used as an ultraviolet absorbent and a light stabilizer, can further improve the ultraviolet absorption efficiency of the coating, and can avoid damage and aging of objects caused by ultraviolet irradiation.
One or more embodiments of the present disclosure provide a method of preparing the above light filtering powder coating, the method comprising:
step 1: pre-crushing base resin and carrying out mechanical dry mixing for later use;
step 2: carrying out mechanical dry mixing on the auxiliary agent for later use;
and step 3: carrying out mechanical dry mixing on the light filtering agent for later use;
and 4, step 4: adding the material obtained in the step 1-3 and other components into a mixer, mixing for 30-40 min, and transferring into a material barrel for later use;
and 5: and adding the mixture in the material barrel into a double-screw extruder, carrying out melt mixing extrusion, cooling and tabletting, and then crushing, crushing and sieving in a grading manner to obtain the light filtering powder coating.
In some alternative embodiments, the twin screw extruder has an extrusion temperature of 90-110 ℃.
In some alternative embodiments, the comminuting is to a particle size of 30-50 μm.
Compared with the prior art, the invention has the following beneficial effects;
the components are matched with each other under a specific proportion, so that the obtained filtering powder coating has high curing speed and strong adhesive force, a coating formed after curing has high crosslinking density and hardness and good light transmittance, and simultaneously has high ultraviolet filtering and absorbing rate through the added light filtering agent, can provide protection for an object while transmitting light, is very suitable for protecting the object which is easy to age due to ultraviolet irradiation but needs to show the body color, is also suitable for protecting the coating of a transparent light-transmitting object, can ensure that the internal and external light transmittances filter and absorb ultraviolet rays while preventing the ultraviolet irradiation from damaging the object and aging or damaging human skin.
Drawings
In order to more clearly illustrate one or more embodiments of the present disclosure or technical solutions in related arts, the drawings used in the description of the embodiments or related arts will be briefly described below, it is obvious that the drawings in the following description are only examples of one or more embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a table of recipe ratios for various embodiments of the present disclosure;
FIG. 2 is a tabular representation of experimental data for various embodiments of the present disclosure.
Detailed Description
To make the objects, aspects and advantages of one or more embodiments of the present disclosure more apparent, one or more embodiments of the present disclosure are described in further detail below with reference to specific embodiments.
It is to be understood that unless otherwise defined, technical or scientific terms used herein with respect to one or more embodiments of the present disclosure shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs.
Please refer to fig. 1 to fig. 2;
example 1;
the embodiment provides a light filtering powder coating, which comprises the following specific components and a preparation method:
(1) pre-crushing 240g of epoxy acrylic resin and 125g of hydroxyl polyester resin, and carrying out mechanical dry mixing for later use;
(2) carrying out mechanical dry mixing on 50g of lauric acid and 2g of GLP588 for later use;
(3) mechanically dry-mixing 3g of 2-hydroxy-4-methoxybenzophenone, 1g of 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole and 1g of 2-hydroxy-4-n-octoxybenzophenone for later use;
(4) adding the material obtained in the step 1-3 and 65g of isophorone diisocyanate into a mixer, mixing for 30min, and transferring into a material barrel for later use;
(5) adding the mixture in a material barrel into a double-screw extruder, keeping the temperature at 95 ℃ for melt mixing extrusion, cooling and tabletting, crushing, grading and sieving to obtain the final particle size of 35 mu m so as to obtain the light filtering powder coating;
after various transparent or opaque objects needing ultraviolet protection are subjected to electrostatic spraying, the prepared filtering powder coating is subjected to light radiation curing, and finally a low-gloss transparent coating with a smooth structure can be formed on the surface of the object, and the corresponding detection result data are shown in a table in FIG. 2.
Example 2;
the embodiment provides a light filtering powder coating, which comprises the following specific components and a preparation method:
(1) pre-crushing 240g of epoxy acrylic resin and 125g of hydroxyl polyester resin, and carrying out mechanical dry mixing for later use;
(2) carrying out mechanical dry mixing on 62.5g of lauric acid and 2.5g of GLP588 for later use;
(3) mechanically dry-mixing 3.6g of 2-hydroxy-4-methoxybenzophenone, 1.2g of 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole and 1.2g of 2-hydroxy-4-n-octoxybenzophenone for later use;
(4) adding the material obtained in the step 1-3 and 70g of isophorone diisocyanate into a mixer, mixing for 35min, and transferring into a material barrel for later use;
(5) adding the mixture in a material barrel into a double-screw extruder, keeping the temperature at 100 ℃ for melt mixing extrusion, cooling and tabletting, crushing, grading and sieving to obtain the final particle size of 40 mu m, thus obtaining the light-filtering powder coating;
after various transparent or opaque objects needing ultraviolet protection are subjected to electrostatic spraying, the prepared filtering powder coating is subjected to light radiation curing, and finally a low-gloss transparent coating with a smooth structure can be formed on the surface of the object, and the corresponding detection result data are shown in a table in FIG. 2.
Example 3;
the embodiment provides a light filtering powder coating, which comprises the following specific components and a preparation method:
(1) pre-crushing 240g of epoxy acrylic resin and 125g of hydroxyl polyester resin, and carrying out mechanical dry mixing for later use;
(2) carrying out mechanical dry mixing on 75g of lauric acid and 3g of GLP588 for later use;
(3) mechanically dry-mixing 6g of 2-hydroxy-4-methoxybenzophenone, 2g of 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole and 2g of 2-hydroxy-4-n-octoxybenzophenone for later use;
(4) adding the material obtained in the step 1-3 and 75g of isophorone diisocyanate into a mixer, mixing for 40min, and transferring into a material barrel for later use;
(5) adding the mixture in a material barrel into a double-screw extruder, keeping the temperature at 105 ℃ for melt mixing extrusion, cooling and tabletting, crushing, grading and sieving to obtain the final particle size of 45 mu m so as to obtain the light filtering powder coating;
after various transparent or opaque objects needing ultraviolet protection are subjected to electrostatic spraying, the prepared filtering powder coating is subjected to light radiation curing, and finally a low-gloss transparent coating with a smooth structure can be formed on the surface of the object, and the corresponding detection result data are shown in a table in FIG. 2.
The components are matched with each other under a specific proportion, so that the obtained filtering powder coating has high curing speed and strong adhesive force, a coating formed after curing has high crosslinking density and hardness, the light transmittance is good, and the ultraviolet filtering and absorbing rate is high, so that the coating can provide protection for an object while transmitting light, is very suitable for protecting the object which is easy to age due to ultraviolet irradiation but needs to show the body color, is also suitable for coating protection of a transparent light-transmitting object, can ensure the internal and external light transmittance and simultaneously filter and absorb ultraviolet rays, and avoids damage and aging of the object or damage to human skin caused by ultraviolet irradiation.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to suggest that the scope of one or more embodiments of the present specification (including the claims) is limited to these examples; within the context of one or more embodiments of the present description, features from the above embodiments or from different embodiments may also be combined, steps may be performed in any order, and there are many other variations of the different aspects of one or more embodiments of the present description as described above, which are not provided in detail for the sake of brevity.
While one or more embodiments of the present specification have been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description.
It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the one or more embodiments of the present disclosure.
Claims (8)
1. The light filtering powder coating and the preparation method thereof are characterized in that the light filtering powder coating comprises the following components in parts by weight:
365 parts of base resin, 60-80 parts of curing agent, 50-80 parts of auxiliary agent and 5-10 parts of light filter.
2. The light filtering powder coating of claim 1, wherein said base resin is selected from the group consisting of any one or more of epoxy acrylic resins and hydroxyl polyester resins in combination;
preferably, the base resin is composed of epoxy acrylic resin and hydroxyl polyester resin according to a mass ratio of 48: 25.
3. A light filtering powder coating according to claim 1, wherein said curing agent is isophorone diisocyanate.
4. A light filtering powder coating according to claim 1, wherein said adjuvant consists of lauric acid and GLP588 in a mass ratio of 25:1, GLP588 being a leveling agent.
5. The light filtering powder coating of claim 1, wherein the light filter is selected from any one or more of 2-hydroxy-4-methoxybenzophenone, 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole or 2-hydroxy-4-n-octoxybenzophenone;
preferably, the light filter consists of 2-hydroxy-4-methoxybenzophenone, 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole and 2-hydroxy-4-n-octoxybenzophenone in a mass ratio of 3:1: 1.
6. A process for preparing a light-filtering powder coating according to any one of claims 1 to 5, wherein said process comprises:
step 1: pre-crushing base resin and carrying out mechanical dry mixing for later use;
step 2: carrying out mechanical dry mixing on the auxiliary agent for later use;
and step 3: carrying out mechanical dry mixing on the light filtering agent for later use;
and 4, step 4: adding the material obtained in the step 1-3 and other components into a mixer, mixing for 30-40 min, and transferring into a material barrel for later use;
and 5: and adding the mixture in the material barrel into a double-screw extruder, carrying out melt mixing extrusion, cooling and tabletting, and then crushing, crushing and sieving in a grading manner to obtain the light filtering powder coating.
7. The method of claim 6, wherein the twin-screw extruder has an extrusion temperature of 90 to 110 ℃.
8. The filter powder coating material and the method for preparing the same according to claim 6, wherein said pulverization is carried out to a particle size of 30 to 50 μm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110885493.1A CN113667384A (en) | 2021-08-03 | 2021-08-03 | Light filtering powder coating and preparation method thereof |
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| CN202110885493.1A CN113667384A (en) | 2021-08-03 | 2021-08-03 | Light filtering powder coating and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106752767A (en) * | 2016-12-12 | 2017-05-31 | 衡阳山泰化工有限公司 | A kind of low temperature cured powder coating |
| CN110317527A (en) * | 2019-07-30 | 2019-10-11 | 中国科学院过程工程研究所 | A kind of powdery paints and preparation method thereof |
| CN111363454A (en) * | 2020-03-02 | 2020-07-03 | 沧州国润翔盛粉末涂料有限公司 | Special powder coating for building or automobile glass, preparation method and application |
| CN111808508A (en) * | 2020-08-04 | 2020-10-23 | 湖南连心科技有限公司 | Anti-ultraviolet powder coating and preparation method and application method thereof |
-
2021
- 2021-08-03 CN CN202110885493.1A patent/CN113667384A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106752767A (en) * | 2016-12-12 | 2017-05-31 | 衡阳山泰化工有限公司 | A kind of low temperature cured powder coating |
| CN110317527A (en) * | 2019-07-30 | 2019-10-11 | 中国科学院过程工程研究所 | A kind of powdery paints and preparation method thereof |
| CN111363454A (en) * | 2020-03-02 | 2020-07-03 | 沧州国润翔盛粉末涂料有限公司 | Special powder coating for building or automobile glass, preparation method and application |
| CN111808508A (en) * | 2020-08-04 | 2020-10-23 | 湖南连心科技有限公司 | Anti-ultraviolet powder coating and preparation method and application method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 《橡胶工业手册》编写小组: "《 橡胶工业手册 (第二分册) 配合剂》", 31 January 1976 * |
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Application publication date: 20211119 |
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