CN110003778A - One kind is for waterborne polyester white paint in coil coating and preparation method thereof - Google Patents

One kind is for waterborne polyester white paint in coil coating and preparation method thereof Download PDF

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Publication number
CN110003778A
CN110003778A CN201910220930.0A CN201910220930A CN110003778A CN 110003778 A CN110003778 A CN 110003778A CN 201910220930 A CN201910220930 A CN 201910220930A CN 110003778 A CN110003778 A CN 110003778A
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CN
China
Prior art keywords
waterborne
polyester
coil coating
white paint
resin
Prior art date
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Pending
Application number
CN201910220930.0A
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Chinese (zh)
Inventor
张�荣
王�华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Walter Boone New Materials Co Ltd
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Foshan Walter Boone New Materials Co Ltd
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Priority to CN201910220930.0A priority Critical patent/CN110003778A/en
Publication of CN110003778A publication Critical patent/CN110003778A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D167/00Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2237Oxides; Hydroxides of metals of titanium
    • C08K2003/2241Titanium dioxide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses one kind for waterborne polyester white paint in coil coating and preparation method thereof and preparation method thereof, including following components and its weight percent: waterborne organic silicon modified polyester resin 25-30%, aqueous polyester resin 15-20%, waterborne polyester modified epoxy resin 5%-10%, amino resins 5-10%, titanium dioxide 30-40%, dispersing agent 1-2%, catalyst 0.5-1%, adhesive agent 1%-2%, defoaming agent 0.3-0.5%, levelling agent 0.3-0.6%, regulator 1-3%, solvent 2-4%, deionized water 15-20%;The coating is water paint, has all properties of conventional oil white polyester topcoat paint after use in aluminium smallpox finishing coat.

Description

One kind is for waterborne polyester white paint in coil coating and preparation method thereof
Technical field
The present invention relates to fine chemistry industry paint fields, and in particular to one kind for waterborne polyester white paint in coil coating and its Preparation method.
Background technique
Aluminium material roll-coating plate is the raw material for the building decorative plates being widely used at present, wherein is needed using aluminium material roll-coating The building products of plate, comprising: aluminium-plastic panel, aluminium smallpox, heavy construction interior wall and cladding panel, industrial factory building roof tiling plate, Advertisement decoration panel, civilian door trim panels, Household ornament wallboard, furniture panel, home appliance panel, digital product metal decking etc. Deng.The various colors of aluminium material roll-coating plate, almost nature all colours can reproduce, while pass through different coating and coating skill 3D, three-dimensional pattern, simulated stone texture, trees texture, leather texture, metal texture can be presented in art.Wherein aluminium smallpox is close Several years home decoration materials risen, substitute original gypsum, wood finishing material, widely apply in family's furred ceiling, wall, cupboard Cabinet is decorated above, has the characteristics that environmentally friendly, recyclable, various colors.
It is formed after the aluminium volume cutting that aluminium smallpox is continuously produced above the Large Painting Workshop by coil coating, In, coating largely uses the coil coating of oiliness, since aluminium smallpox processing request is different from the other materials such as aluminium-plastic panel, Require edge that cannot rupture in punch forming, the volume for having high requirement to the flexibility of aluminium sheet and coil coating, therefore using Material coating must have excellent bending property, currently, only some polyesters coating can reach this performance.
Requirement with country to environmental protection is continuously improved, and national environmental protection regulation to environment and is good for the limitation of VOC and the people The enhancing of Kang Yishi, researchs and develops aqueous aluminium smallpox coil coating and substitutes current oiliness aluminium smallpox coil coating and have become Gesture, still, current aqueous coil coating are largely water soluble acrylic acid and common water borne polyester coating, and flexibility is unable to reach The construction requirement of aluminium smallpox.
Summary of the invention
It is an object of the invention to overcome oiliness coil coating presently, there are environmental issue and aqueous coil coating exist Flexibility difference technical deficiency, so that providing a kind of flexibility can reach aluminium smallpox construction requirement and environmentally friendly aqueous Coil coating.
Another object of the present invention also reside in provide it is a kind of implement to be easy, be made possess it is adequately water-soluble and excellent close Performance, the bending property of 0T needed for being provided simultaneously with aluminium smallpox simultaneously can reach construction of aluminium smallpox during punch forming and want The preparation method for waterborne polyester white paint in coil coating asked.
The object of the present invention is achieved like this: one kind is for waterborne polyester white paint in coil coating, characterized in that including Following components and its weight percent: waterborne organic silicon modified polyester resin 25-30%;Aqueous polyester resin: 15-20%;It is aqueous Polyester modified epoxy resin: 5%-10%;Amino resins: 5-10%;Titanium dioxide: 30-40%;Dispersing agent: 1-2%;Catalyst: 0.5- 1%;Adhesive agent: 1%-2%;Defoaming agent: 0.3-0.5%;Levelling agent: 0.3-0.6%;Regulator: 1-3%;Solvent: 2-4%;Deionization Water: 15-20%.
Further, the waterborne organic silicon modified polyester resin is to have the ring-type of the macromolecule of excellent flexibility to have Machine silicon intermediate modified polyester resin, solid part are as follows: 45-55%, viscosity are 300-400pa.s/25 DEG C.
Further, the aqueous polyester resin is the polyester resin containing hydrophilic solvent.
Further, the waterborne polyester modified epoxy resin is the ring by the high-solid lower-viscosity middle-molecular-weihydroxyethyl of polyester modification Oxygen resin has adhesive force and flexibility, solid part to polar metal ground are as follows: 70-90%, viscosity 200-300pa.s/ 25℃。
Preparation method of the present invention for waterborne polyester white paint in coil coating, by using the tree of three kinds of different characteristics Rouge, so that the present invention not only possesses adequately water-soluble and excellent adhesion property, 0T's needed for being provided simultaneously with aluminium smallpox is curved Qu Xingneng, to reach construction requirement of aluminium smallpox during punch forming.
As crucial technical essential, in order to guarantee the sufficient water-soluble and excellent adherence of the invention having Can, formula has used following scheme: using through solid part are as follows: 70-90%, viscosity are the polyester of (200-300pa.s/25 DEG C) The epoxy resin of modified high-solid lower-viscosity middle-molecular-weihydroxyethyl, because it has excellent adhesive force and flexibility to polar metal ground, together When but also with good water solubility;Ureaformaldehyde class amino resins can be successfully applied to the solidification crosslinking of above-mentioned modified resin, thus institute Obtained paint film has excellent comprehensive performance.
As crucial technical essential, in order to guarantee sufficient water-soluble and OT bending property that the present invention has (see Figure three), formula above has used following scheme: use solid part are as follows: 45-55%, viscosity for (300-400pa.s/25 DEG C) and The characteristics of having the cyclic organic intermediate modified polyester resin of the macromolecule of excellent flexibility, this resin is exactly to fill The water solubility divided and good flexibility.
As more preferably scheme, the solvent is by following one or two kinds of at being grouped as: propandiol butyl ether, propylene glycol first Ether.
As more preferably scheme, the catalyst is made of one or two kinds of ingredient: dodecyl benzene sulfonic acid and different new Acid.
As more preferably scheme, the amino resins is ureaformaldehyde class amino resins.
As more preferably scheme, the regulator is one or both of ammonium hydroxide and dimethylethanolamine.
As more preferably scheme, the dispersing agent is made of following one or two kinds of ingredient: polyurethane copolymer and acyl Amine polymer.
As more preferably scheme, the defoaming agent is fluorine-containing brokenly bubble polymer solution.And the adhesive agent are high phosphates Polyester polymers.
As more preferably scheme, the levelling agent is polyester modification polysiloxane solution.
As more preferably scheme, the titanium dioxide is aqueous rutile type titanium white.
As more preferably scheme, the deionized water is the deionized water produced using the reverse osmosis method of RO.
It is another object of the present invention to what is be achieved:
A kind of preparation method as described in claim 1-9 is any for waterborne polyester white paint in coil coating, characterized in that packet Include following steps,
Step 1, resin it is pre-dispersed: waterborne organic silicon modified polyester resin is first added according to the ratio of 16:1:1 in dispersion cylinder Rouge and dispersing agent, then solvent is added, such as: propandiol butyl ether;
The premixing of titanium dioxide: step 2 according to the ratio to step 1 weight 1:1 in dispersion cylinder, is delayed in being slowly stirred It is slow that titanium dioxide is added, it is then stirred 20 to 40 minutes using blender according to 1000-1500RPM revolving speed, white slurry is made;
The grinding of titanium dioxide: step 3 is ground well pre-mixed white slurry by sand mill, so that fineness of grind is reached 10 micro- Meter or less;
Other resin additives are added in step 4: it is stirred using blender according to 150-300RPM revolving speed, it is slow respectively in stirring Waterborne polyester modified epoxy resin, amino resins, adhesive agent, levelling agent, defoaming agent, catalyst is added;
Step 5, adjust viscosity and pH value: blender is stirred according to 150-300RPM revolving speed, and deionized water is added, and adjustment viscosity arrives 125 " (4- glasss are applied.25 ± 1 DEG C), and pH value is transferred to 8.5 using regulator;
Packaging: step 6 is filtered using 300 mesh filter screens, is packaged in pail pack.
Beneficial effects of the present invention are as follows: (1) present invention is used for waterborne polyester white paint and preparation method thereof in coil coating, Resin and effective formula design by special preparation, thus obtain possessing adequately water-soluble and excellent adhesion property, The bending property of 0T needed for being provided simultaneously with aluminium smallpox and the production that construction requirement of aluminium smallpox during punch forming can be reached Product reduce the pollution of industry, reduce VOC emission, enable aluminium smallpox more ring to substitute oiliness aluminium smallpox coil coating That protects obtains in being widely applied, and provides more environment-friendly products for building materials and ornaments industry.
Detailed description of the invention
Fig. 1 is block flow diagram of the present invention for waterborne polyester white paint preparation method in coil coating.Specific embodiment party Case
The invention will be further described combined with specific embodiments below: one kind being used for waterborne polyester white paint in coil coating, It is characterized in: including following components and its weight percent: waterborne organic silicon modified polyester resin 25-30%, aqueous polyester resin 15-20%, waterborne polyester modified epoxy 5%-10%, amino resins 5-10%, titanium dioxide 30-40%, dispersing agent 1-2%, catalyst 0.5-1%, adhesive agent 1%-2%, defoaming agent 0.3-0.5%, levelling agent 0.3-0.6%, regulator 1-3%, solvent 2-4%, deionized water 15-20%。
As more particular embodiment: solvent described above is by two kinds at being grouped as: propandiol butyl ether 70%, propylene glycol Methyl ether 30%.The catalyst is made of two kinds of ingredients: dodecyl benzene sulfonic acid and different eo-acid each 50%.The amino resins is urea Aldehyde amino resins.The dispersing agent is made of a kind of following ingredient: amide polymer.The defoaming agent is fluorine-containing brokenly bubble polymer Solution.And the adhesive agent are high phosphate polyester polymers.The levelling agent is fluorine richness copolymer.The regulator is more Functional environment-friendly type PH.
As more particular embodiment: each component and weight percent for waterborne polyester white paint in coil coating: Waterborne organic silicon modified polyester resin 28.35%, aqueous polyester resin 12.33%, waterborne polyester modified epoxy 6.78%, amino tree Rouge 5.5%, titanium dioxide 28%, dispersing agent 1.69%, catalyst 0.42%, adhesive agent 1.69%, defoaming agent 4.42%, levelling agent 0.42%, Regulator 1.69%, solvent 1.69%, deionized water 11.02%.
A kind of preparation method for waterborne polyester white paint in coil coating as shown in Figure 1:, it is characterized in that: including following Step,
Step 1, resin it is pre-dispersed: in dispersion cylinder according to the ratio of 16:1:1 be first added silicone modified polyester resin and Then dispersing agent adds propandiol butyl ether;
The premixing of titanium dioxide: step 2 according to the ratio to step 1 weight 1:1 in dispersion cylinder, is delayed in being slowly stirred It is slow that titanium dioxide is added, then stirred 30 minutes using blender according to 1000-1500RPM revolving speed;
The grinding of titanium dioxide: step 3 is ground well pre-mixed white slurry by sand mill, so that fineness of grind is reached 10 micro- Meter or less;
Other resin additives are added in step 4: it is stirred using blender according to 150-300RPM revolving speed, it is slow respectively in stirring Polyester modified epoxy resin, amino resins, adhesive agent, levelling agent, defoaming agent, catalyst is added;
Step 5, adjust viscosity and pH value: blender is stirred according to 150-300RPM revolving speed, and deionized water is added, and adjustment viscosity arrives 125 " (4- glasss, 25 ± 1 DEG C are applied), and pH value is transferred to 8.5 using regulator;
Packaging: step 6 is filtered using 300 mesh filter screens, is packaged in pail pack.
Coating performance test: it is tested according to GB/T17748-2008 " building curtain wall composited aluminum and plastic decking " standard:
The present invention explanatory diagram curved about T.
Test condition: PMT/ DEG C: 216-224 DEG C
Substrate: 0.40mm aluminium sheet
Dried film thickness: 19 ± 1 μm

Claims (10)

1. one kind is for waterborne polyester white paint in coil coating, characterized in that including following components and its weight percent:
Waterborne organic silicon modified polyester resin 25-30%;
Aqueous polyester resin: 15-20%;
Waterborne polyester modified epoxy resin: 5%-10%;
Amino resins: 5-10%;
Titanium dioxide: 30-40%;
Dispersing agent: 1-2%;
Catalyst: 0.5-1%;
Adhesive agent: 1%-2%;
Defoaming agent: 0.3-0.5%;
Levelling agent: 0.3-0.6%;
Regulator: 1-3%;
Solvent: 2-4%;
Deionized water: 15-20%.
2. according to claim 1 for waterborne polyester white paint in coil coating, characterized in that the waterborne organic silicon is modified Polyester resin is the cyclic organic intermediate modified polyester resin for having the macromolecule of excellent flexibility, solid part are as follows: 45-55%, viscosity are 300-400pa.s/25 DEG C.
3. according to claim 1 for waterborne polyester white paint in coil coating, characterized in that the aqueous polyester resin is Polyester resin containing hydrophilic solvent.
4. according to claim 1 for waterborne polyester white paint in coil coating, characterized in that the modified ring of the waterborne polyester Oxygen resin is the epoxy resin by the high-solid lower-viscosity middle-molecular-weihydroxyethyl of polyester modification, has adhesive force and soft to polar metal ground Toughness, solid part are as follows: 70-90%, viscosity are 200-300pa.s/25 DEG C.
5. according to claim 1 for waterborne polyester white paint in coil coating, characterized in that the amino resins is ureaformaldehyde Amino resins.
6. according to claim 1 for waterborne polyester white paint in coil coating, characterized in that the titanium dioxide is aqueous gold Red stone-type titanium dioxide.
7. according to claim 1 for waterborne polyester white paint in coil coating, characterized in that the dispersing agent includes poly- ammonia One or both of ester copolymer and amide polymer.
8. according to claim 1 for waterborne polyester white paint in coil coating, characterized in that the catalyst includes 12 One or both of alkyl benzene sulphonate and different eo-acid.
9. according to claim 1 for waterborne polyester white paint in coil coating, characterized in that the adhesive agent are that phosphoric acid is opened Ring epoxy group polymer, defoaming agent are fluorine-containing brokenly bubble polymer solutions, and the levelling agent is fluorine levelling agent, and main component is fluorine Modified copolymer, the regulator are multifunction environment-protection type PH regulator, and the solvent includes propandiol butyl ether and propylene glycol first Two kinds or a kind of in ether, the deionized water is the deionized water produced using the reverse osmosis method of RO.
10. a kind of preparation method as described in claim 1-9 is any for waterborne polyester white paint in coil coating, feature It is to include the following steps,
Step 1, resin it is pre-dispersed: waterborne organic silicon modified polyester resin is first added according to the ratio of 16:1:1 in dispersion cylinder Rouge and dispersing agent, then add solvent;
The premixing of titanium dioxide: step 2 according to the ratio to step 1 weight 1:1 in dispersion cylinder, is delayed in being slowly stirred It is slow that titanium dioxide is added, it is then stirred 20 to 40 minutes using blender according to 1000-1500RPM revolving speed, white slurry is made;
The grinding of titanium dioxide: step 3 is ground well pre-mixed white slurry by sand mill, so that fineness of grind is reached 10 micro- Meter or less;
Other resin additives are added in step 4: it is stirred using blender according to 150-300RPM revolving speed, it is slow respectively in stirring Waterborne polyester modified epoxy resin, amino resins, adhesive agent, levelling agent, defoaming agent, catalyst is added;
Step 5, adjust viscosity and pH value: blender is stirred according to 150-300RPM revolving speed, and deionized water is added, and adjustment viscosity arrives 125 " 8.5, and using regulator pH value are transferred to;
Packaging: step 6 is filtered using 300 mesh filter screens, is packaged in pail pack.
CN201910220930.0A 2019-03-22 2019-03-22 One kind is for waterborne polyester white paint in coil coating and preparation method thereof Pending CN110003778A (en)

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Application Number Priority Date Filing Date Title
CN201910220930.0A CN110003778A (en) 2019-03-22 2019-03-22 One kind is for waterborne polyester white paint in coil coating and preparation method thereof

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111073472A (en) * 2019-12-10 2020-04-28 佛山市沃特布恩新型材料有限公司 Water-based paint for wine bottle cap and preparation method thereof
CN113185900A (en) * 2021-05-20 2021-07-30 郑州双塔涂料有限公司 Water-based automobile chassis paint with strong permeation adhesion
CN113478995A (en) * 2021-07-02 2021-10-08 浙江春宇包装材料有限公司 Laser transfer film and production process thereof
CN114561001A (en) * 2021-12-28 2022-05-31 杭州吉华高分子材料股份有限公司 High-solid low-viscosity organic silicon modified polyester resin and high-temperature-resistant high-solid-content coating
CN114672225A (en) * 2022-04-27 2022-06-28 深圳市深赛尔股份有限公司 Water-based silicon-modified polyester aluminum coil coating and preparation method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104592866A (en) * 2015-02-04 2015-05-06 浙江天女集团制漆有限公司 Organosilicon modified polyester coiled material finish paint and preparation method thereof
CN105385314A (en) * 2015-12-29 2016-03-09 佛山市沃特布恩新型材料有限公司 Water-based white polyester coil coating special for aluminum ceiling finish paint and preparation method of water-based white polyester coil coating
CN106065265A (en) * 2016-06-02 2016-11-02 江苏科祥防腐材料有限公司 A kind of aqueous high wear-resistant low luster surface material and preparation method thereof
CN108997902A (en) * 2018-09-03 2018-12-14 王劲 A kind of resistance to deep-draw high temperature resistant does not adhere to coil coating and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104592866A (en) * 2015-02-04 2015-05-06 浙江天女集团制漆有限公司 Organosilicon modified polyester coiled material finish paint and preparation method thereof
CN105385314A (en) * 2015-12-29 2016-03-09 佛山市沃特布恩新型材料有限公司 Water-based white polyester coil coating special for aluminum ceiling finish paint and preparation method of water-based white polyester coil coating
CN106065265A (en) * 2016-06-02 2016-11-02 江苏科祥防腐材料有限公司 A kind of aqueous high wear-resistant low luster surface material and preparation method thereof
CN108997902A (en) * 2018-09-03 2018-12-14 王劲 A kind of resistance to deep-draw high temperature resistant does not adhere to coil coating and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111073472A (en) * 2019-12-10 2020-04-28 佛山市沃特布恩新型材料有限公司 Water-based paint for wine bottle cap and preparation method thereof
CN113185900A (en) * 2021-05-20 2021-07-30 郑州双塔涂料有限公司 Water-based automobile chassis paint with strong permeation adhesion
CN113478995A (en) * 2021-07-02 2021-10-08 浙江春宇包装材料有限公司 Laser transfer film and production process thereof
CN114561001A (en) * 2021-12-28 2022-05-31 杭州吉华高分子材料股份有限公司 High-solid low-viscosity organic silicon modified polyester resin and high-temperature-resistant high-solid-content coating
CN114672225A (en) * 2022-04-27 2022-06-28 深圳市深赛尔股份有限公司 Water-based silicon-modified polyester aluminum coil coating and preparation method thereof

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Application publication date: 20190712