CN108641505A - A kind of aqueous anti-migration, high-weather resistance fluorocarbon coating and its preparation process - Google Patents
A kind of aqueous anti-migration, high-weather resistance fluorocarbon coating and its preparation process Download PDFInfo
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- CN108641505A CN108641505A CN201810439159.1A CN201810439159A CN108641505A CN 108641505 A CN108641505 A CN 108641505A CN 201810439159 A CN201810439159 A CN 201810439159A CN 108641505 A CN108641505 A CN 108641505A
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- agent
- migration
- weather resistance
- aqueous
- water
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
Abstract
The invention discloses a kind of aqueous anti-migration, high-weather resistance fluorocarbon coating and its preparation process, the coating is made of following component by mass percentage：Water-based fluorocarbon resin 40 80%, crosslinked resin 5 15%, dispersant 0.2 0.6%, substrate wetting agents 0.1 0.8%, levelling agent 0.1 0.6%, antifoaming agent 0.2 0.8%, aqueous polyester resin 2 10%, delustering agent 0 5%, deionized water 15 25%, thickener 0.6 1%, fungicide 0.1 0.5%, pH adjusting agent 0.1 0.5%.Aqueous anti-migration provided by the invention, high-weather resistance fluorocarbon crosslinking coatings density are high, and resistance to migration is good, and VOC content is low, are one-component coating, solve that existing baking vanish working life is short, be not suitable for pausing in production process the pipelining longer, yield is big the problem of.
Description
Technical field
The present invention relates to technical field of coatings, and in particular to a kind of aqueous anti-migration, high-weather resistance fluorocarbon coating and its preparation
Technique.
Background technology
Raising with people to product packaging and finishing requirements, transfer print technology is fast-developing, popular at present, answer
It is thermal transfer and water transfer with the wider transfer print technology of range.After the completion of transfer print, usually to be sprayed on transfer print layer
Clear finish.Therefore, while shifting print technology fast development, clear finish dosage also can be increasing, currently, still with molten
Based on dosage form, wherein VOC content is up to 60% or more, even more contains a large amount of benzene homologues.In recent years, environmental protection pressure increases, some
Enterprise has replaced water soluble acrylic acid amino-stoving varnish, water alcohol acid amino-stoving varnish, and comparatively benzene homologues are under control, but in order to
It preferably keeping water-soluble, a large amount of organic cosolvent must be added, practical VOC is also relatively high, while water soluble acrylic acid,
Alkyd baking vanish is different degrees of in application process to there is the problems such as smell is larger, and weatherability is bad, anti-migration is bad, gives down
Tourist family brings very big puzzlement, to the popularization of water paint, using bringing very big obstruction.Vehicles Collected from Market urgent need will research and develop one kind
The aqueous product of low VOC, high durable, anti-migration.
Invention content
In view of the deficienciess of the prior art, the present invention provides a kind of anti-migration based on water-based fluorocarbon resin, high durable
The low coating of VOC content simultaneously.
The purpose of the present invention is achieved through the following technical solutions：
A kind of aqueous anti-migration, high-weather resistance fluorocarbon coating, are made of following component by mass percentage：
Wherein, the water-based fluorocarbon resin is the FEVE water-based fluorocarbons that alternating copolymerization structure is formed using Phase inversion emulsification technology
Lotion.
A kind of aqueous anti-migration, the preparation process of high-weather resistance fluorocarbon coating, include the following steps：
1) take formula in water-base fluorocarbon emulsion be slowly added to paint mixing tank, under 300r/min stirrings be added dispersant,
Then antifoaming agent is stirred with the speed of 500r/min, disperse 10-30min；
2) it is slowly added to delustering agent under 300r/min stirrings, then slowly raises speed, after delustering agent all infiltration,
Speed-raising is stirred 25-35min, is tested with Hegman grind gage to 1300r/min, and fineness is less than 15 μm of stoppings；
3) crosslinked resin, deionized water, levelling agent, substrate wetting agents, pH is slowly added under 300r/min stirrings to adjust
After agent, aqueous polyester resin and fungicide dispersion 15-30min, thickener is added, viscosity is adjusted to 45-65s, is wrapped after filtering
Dress up product.
Water-based fluorocarbon resin used in the present invention is the aqueous fluorine of FEVE that alternating copolymerization structure is formed using Phase inversion emulsification technology
Carbon emulsion, product crosslink density is high, good weatherability, and VOC content is low.Aqueous polyester resin in instant component can enhance
Adhesive force of the film on different substrate materials as stainless steel, aluminium are first-class, while can improve the compactness of film, and hardness can reach
3H or more, water resistance reach 60 days or more, and resistance to 10% sulfuric acid can reach 35 days, and resistance to 10% sodium hydroxide can reach 35 days, resistance to
Butanone wipe 200 times it is unchanged.
Aqueous anti-migration provided by the invention, high-weather resistance fluorocarbon coating are one-component coating, and when application is pipelining,
It is easy for construction, drying tunnel is entered after spraying and carries out 150 DEG C -160 DEG C/30min force dryings, only reaches solidification temperature and just hands over
Connection reaction, ultimately forms space network, reaches the requirement of high-decoration, high-durability coating；Using water as diluent, almost
VOC free；Its fluorine content is high, fluorine content 20% or so, good weatherability, while overcoming the problems, such as bottom transfer ink transport phenomena,
The service life that coating can effectively be extended, increases economic efficiency, and is particularly suitable for the protection etc. of ground after thermal transfer, water transfer, such as
Antitheft door industry is suitably applied in steel theft-proof door, window decoration is protected with outer surface.
The present invention has the advantages that compared with prior art：
(1) aqueous anti-migration provided by the invention, high-weather resistance fluorocarbon crosslinking coatings density are high, and resistance to migration is good, than antitheft
The widely used water soluble acrylic acid amino-stoving varnish weatherability of door industry improves 40% or more, and resistance to migration improves 50%, and stores up
It is good to deposit stability；
(2) aqueous anti-migration provided by the invention, high-weather resistance fluorocarbon coating VOC content are low, VOC energy when being constructed by testing
Control is in 30g/L hereinafter, and with the direct varnish equipment of tap water after construction, VOC free generates, and similar solvent type F-C paint
VOC is up to 60% or more, does great harm to the environment；
(3) aqueous anti-migration provided by the invention, high-weather resistance fluorocarbon coating are one-component coating, are made for assembly line when application
Industry, it is easy for construction, drying tunnel force drying is entered after spraying, solves short (double-component aqueous paint of existing two-component baking vanish working life
Working life 3-6h after working life 2-3h and the allotment of two-component oil paint), be not suitable for pausing stream longer, that yield is big in production process
The problem of waterline operation.
Specific implementation mode
Further to illustrate the technological means and its effect of the invention taken, carried out below in conjunction with specific embodiment detailed
Thin description.
Embodiment 1
A kind of aqueous anti-migration, high-weather resistance fluorocarbon coating, are made of following component by mass percentage：
A kind of aqueous anti-migration, the preparation process of high-weather resistance fluorocarbon coating, include the following steps：
1) take formula in water-base fluorocarbon emulsion, be slowly added to paint mixing tank, under 300r/min stirrings be added dispersant,
Then antifoaming agent is stirred with the speed of 500r/min, disperse 10min；
2) it is slowly added to delustering agent under 300r/min stirrings, then slowly raises speed, after delustering agent all infiltration,
Speed-raising is stirred 25min, is tested with Hegman grind gage to 1300r/min, and fineness is less than 15 μm of stoppings；
3) crosslinked resin, deionized water, levelling agent, substrate wetting agents, pH is slowly added under 300r/min stirrings to adjust
After agent, aqueous polyester resin and fungicide dispersion 15min, add thickener, viscosity is adjusted to 45s, is packed after filtering to obtain the final product
Finished product.
Embodiment 2
A kind of aqueous anti-migration, high-weather resistance fluorocarbon coating, are made of following component by mass percentage：
A kind of aqueous anti-migration, the preparation process of high-weather resistance fluorocarbon coating, include the following steps：
1) take formula in water-base fluorocarbon emulsion, be slowly added to paint mixing tank, under 300r/min stirrings be added dispersant,
Then antifoaming agent is stirred with the speed of 500r/min, disperse 15min；
2) it is slowly added to delustering agent under 300r/min stirrings, then slowly raises speed, after delustering agent all infiltration,
Speed-raising is stirred 30min, is tested with Hegman grind gage to 1300r/min, and fineness is less than 15 μm of stoppings；
3) crosslinked resin, deionized water, levelling agent, substrate wetting agents, pH is slowly added under 300r/min stirrings to adjust
After agent, aqueous polyester resin and fungicide dispersion 20min, add thickener, viscosity is adjusted to 50s, is packed after filtering to obtain the final product
Finished product.
Embodiment 3
A kind of aqueous anti-migration, high-weather resistance fluorocarbon coating, are made of following component by mass percentage：
Wherein, the water-based fluorocarbon resin is the FEVE water-based fluorocarbons that alternating copolymerization structure is formed using Phase inversion emulsification technology
Lotion.
A kind of aqueous anti-migration, the preparation process of high-weather resistance fluorocarbon coating, include the following steps：
1) take formula in water-base fluorocarbon emulsion, be slowly added to paint mixing tank, under 300r/min stirrings be added dispersant,
Then antifoaming agent is stirred with the speed of 500r/min, disperse 25min；
2) it is slowly added to delustering agent under 300r/min stirrings, then slowly raises speed, after delustering agent all infiltration,
Speed-raising is stirred 32min, is tested with Hegman grind gage to 1300r/min, and fineness is less than 15 μm of stoppings；
3) crosslinked resin, deionized water, levelling agent, substrate wetting agents, pH is slowly added under 300r/min stirrings to adjust
After agent, aqueous polyester resin and fungicide dispersion 25min, add thickener, viscosity is adjusted to 60s, is packed after filtering to obtain the final product
Finished product.
Embodiment 4
A kind of aqueous anti-migration, high-weather resistance fluorocarbon coating, are made of following component by mass percentage：
A kind of aqueous anti-migration, the preparation process of high-weather resistance fluorocarbon coating, include the following steps：
1) take formula in water-base fluorocarbon emulsion, be slowly added to paint mixing tank, under 300r/min stirrings be added dispersant,
Then antifoaming agent is stirred with the speed of 500r/min, disperse 30min；
2) it is slowly added to delustering agent under 300r/min stirrings, then slowly raises speed, after delustering agent all infiltration,
Speed-raising is stirred 35min, is tested with Hegman grind gage to 1300r/min, and fineness is less than 15 μm of stoppings；
3) crosslinked resin, deionized water, levelling agent, substrate wetting agents, pH is slowly added under 300r/min stirrings to adjust
After agent, aqueous polyester resin and fungicide dispersion 30min, add thickener, viscosity is adjusted to 65s, is packed after filtering to obtain the final product
Finished product.
Comparative example 1
Commercially available water soluble acrylic acid amino-stoving varnish.
Comparative example 2
Commercially available water alcohol acid amino-stoving varnish.
Performance test
Examples 1 to 4 products obtained therefrom and comparative example performance test, the results are shown in Table 1.
Table 1
As shown in Table 1, the properties of coating prepared by Examples 1 to 4 are superior to comparative example 1 and comparative example 2.
Environmental protection test
Examples 1 to 4 products obtained therefrom and comparative example performance test, the results are shown in Table 2.
Table 2
As shown in Table 2, coating VOC values prepared by Examples 1 to 4 be far below comparative example 1 and comparative example 2, and without formaldehyde,
The harmful substances such as benzene, toluene and heavy metal, environment-friendly advantage is apparent, is worthy to be popularized.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, ability
Other modifications or equivalent replacement that domain those of ordinary skill makes technical scheme of the present invention, without departing from skill of the present invention
The spirit and scope of art scheme, are intended to be within the scope of the claims of the invention.
Claims (3)
1. a kind of aqueous anti-migration, high-weather resistance fluorocarbon coating, are made of following component by mass percentage：
Water-based fluorocarbon resin 40-80%,
Crosslinked resin 5-15%,
Dispersant 0.2-0.6%,
Substrate wetting agents 0.1-0.8%,
Levelling agent 0.1-0.6%,
Antifoaming agent 0.2-0.8%,
Aqueous polyester resin 2-10%,
Delustering agent 0-5%,
Deionized water 15-25%,
Thickener 0.6-1%,
Fungicide 0.1-0.5%,
PH adjusting agent 0.1-0.5%.
2. a kind of aqueous anti-migration according to claim 1, high-weather resistance fluorocarbon coating, which is characterized in that the aqueous fluorine
Carbon resin is the FEVE water-base fluorocarbon emulsions that alternating copolymerization structure is formed using Phase inversion emulsification technology.
3. a kind of aqueous anti-migration according to claim 1, the preparation process of high-weather resistance fluorocarbon coating, which is characterized in that
Include the following steps：
1）It takes water-base fluorocarbon emulsion in formula to be slowly added to paint mixing tank, dispersant, defoaming is added under 300 r/min stirrings
Then agent is stirred with the speed of 500 r/min, dispersion 10-30 min；
2）It is slowly added to delustering agent under 300 r/min stirrings, is then slowly raised speed, after delustering agent all infiltration, is carried
Speed stirs 25-35 min, is tested with Hegman grind gage to 1300 r/min, and fineness is less than 15 μm of stoppings；
3）300 r/min stirring under be slowly added to crosslinked resin, deionized water, levelling agent, substrate wetting agents, pH adjusting agent,
After aqueous polyester resin and fungicide disperse 15-30 min, thickener is added, viscosity is adjusted to 45-65 s, is packed after filtering
Finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810439159.1A CN108641505B (en) | 2018-05-09 | 2018-05-09 | Water-based anti-migration and high-weather-resistance fluorocarbon coating and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810439159.1A CN108641505B (en) | 2018-05-09 | 2018-05-09 | Water-based anti-migration and high-weather-resistance fluorocarbon coating and preparation process thereof |
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| CN108641505A true CN108641505A (en) | 2018-10-12 |
| CN108641505B CN108641505B (en) | 2020-05-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112936690A (en) * | 2021-02-03 | 2021-06-11 | 哈尔滨玻璃钢研究院有限公司 | Forming method of ablation-resistant lining |
| CN114716877A (en) * | 2022-04-25 | 2022-07-08 | 深圳市深赛尔股份有限公司 | Water-based fluorine-modified polyester tank coating and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN108641505B (en) | 2020-05-15 |
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