CN106349830A - Modified waterborne fluorine coating and preparation method thereof - Google Patents
Modified waterborne fluorine coating and preparation method thereof Download PDFInfo
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- CN106349830A CN106349830A CN201610730344.7A CN201610730344A CN106349830A CN 106349830 A CN106349830 A CN 106349830A CN 201610730344 A CN201610730344 A CN 201610730344A CN 106349830 A CN106349830 A CN 106349830A
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- 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
- C08L2205/035—Polymer 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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
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Abstract
The invention relates to modified waterborne fluorine coating and a preparation method thereof. The modified waterborne fluorine coating is prepared from the following raw materials in parts by weight: 50-60 parts of waterborne fluororesin, 2-4 parts of a modified dispersing agent, 4-6 parts of a wetting agent, 15-25 parts of titanium dioxide, 5-10 parts of nano calcium carbonate, 3-5 parts of a thickening agent, 1-2 parts of a mould inhibitor, 3-5 parts of a curing agent, 0.5-0.8 part of a matting agent, 0.2-0.4 part of a defoaming agent, 0.6-1 part of a modified leveling agent, 0.2-0.4 part of a coalescing agent and 15-25 parts of deionized water. The modified waterborne fluorine coating has excellent light scattering property and also has the advantages of strong adhesion, weather resistance, chemical resistance, hardness and washability.
Description
Technical field
The present invention relates to a kind of technical field of aqueous paint, more particularly, to a kind of modified water-soluble fluoro coatings and its preparation side
Method.
Background technology
, also known as fluorocarbon coating, F-C paint, fluorine resin coating, among various coating, fluorine resin coating is due to drawing for fluoro coatings
The fluorine element electronegativity entering is big, and carbon-fluorine bond can be such as resistance to by force so that fluoro coatings have especially advantageous properties in many aspects
Hou Xing, thermostability, lower temperature resistance, chemical resistance, and the low-surface-energy of uniqueness and clean surfaces performance, and there is uniqueness
Non-stick and low frictional properties.Through the fast development of decades, fluoro coatings are industrial, mechanical in building, chemical industry, electric appliance and electronic
Industry, aerospace industries, the every field of household supplies are used widely.
With the increasingly enhancing of people's environmental consciousness, advocate the discharge of low voc, lead to the development of solvent-borne type fluoro coatings to be subject to
Arrive considerable restraint, and a kind of watersoluble fluorine paint of environmental type has gradually occupied leading position in paint field.Aqueouss fluorine applies
Material is with aqueouss fluorine emulsion as film forming matter, using water as solvent, has both had nonpoisonous and tasteless, low voc discharge, secure and non-combustible
Deng the characteristic of water paint, there are the fluoro coatings such as weatherability, corrosion resistance and non-stick again.Therefore watersoluble fluorine paint
Enjoy the concern of people, its application prospect is boundless.But current watersoluble fluorine paint still suffers from weak point, its gloss retention and hard
Degree property than solvent-borne type fluoro coatings difference the problems such as, for this in the urgent need to by technological innovation, adopting new technology, new formula come explorative
Watersoluble fluorine paint that can be more excellent.
Content of the invention
The technical problem to be solved in the present invention is for the deficiencies in the prior art, and provide a kind of modified water-soluble fluoro coatings and
Its preparation method.
The present invention is achieved by the following technical solutions: a kind of present invention modified water-soluble fluoro coatings, is pressed by following raw materials according
Each component proportion that parts by weight calculate is made: 50～60 parts of water-based fluororesin, 2～4 parts of modifiers dispersants, wetting agent 4
～6 parts, 15～25 parts of titanium dioxide, 5～10 parts of nano-calcium carbonate, 3～5 parts of thickening agent, 1～2 part of antifungus agent, firming agent 3～5
Part, 0.5～0.8 part of delustering agent, 0.2～0.4 part of defoamer, modified 0.6～1 part of levelling agent, 0.2～0.4 part of coalescents, go
15～25 parts of ionized water.
Further preferably, a kind of modified water-soluble fluoro coatings of the present invention, calculate by weight: 55 parts of water-based fluororesin,
3 parts of modifiers dispersants, 5 parts of wetting agent, 20 parts of titanium dioxide, 8 parts of nano-calcium carbonate, 4 parts of thickening agent, 1.5 parts of antifungus agent, solidification
4 parts of agent, 0.6 part of delustering agent, 0.3 part of defoamer, modified 0.8 part of levelling agent, 0.3 part of coalescents, 20 parts of deionized water.
Described modifiers dispersants are amphiphatic polyacrylic acid modified Quadrafos dispersant, and its preparation method is: by weight
Amount part proportioning is in the Quadrafos and polyacrylic acid input enamel reaction pot of 1:1.2, and adds solid super-strong acid so4 2-/
tio2, it is heated to 80 DEG C, stirring reaction 4h, it is cooled to room temperature and filters, obtain modifiers dispersants；
Described wetting agent is water solublity ethoxy base class nonionic fluorocarbon surfactant, polyoxyethanyl ethers nonionic fluorine carbon
The mixture of any one or two kinds in surfactant；
Described thickening agent is poly- propionic acid amide. or polyvinyl alcohol；
Described firming agent is the polyisocyanates of hydrophilic modifying；
Described delustering agent is modified polyester acrylate ester；
Described defoamer is polydimethylsiloxane, polyether-modified polydimethylsiloxane, in fluorosilicone any one or
More than two kinds of mixture；
Described modification levelling agent is fluorine-carbon modified polyacrylate；
Described coalescents are ethylene glycol；
A kind of preparation method of present invention modified water-soluble fluoro coatings, it comprises the following steps makes:
(1) modifiers dispersants, wetting agent, deionized water, titanium dioxide, nano-sized carbon are put into respectively in the enamel reaction pot with stirring
Sour calcium, open stirring, heat temperature raising, temperature rises to 40～45 DEG C, mixing speed be 800～1000r/min, stirring 60～
90min.
(2) it is subsequently added into water-based fluororesin, at 65～75 DEG C, mixing speed is 300～350r/min to temperature control, stirs
Mix 30～40min.
(3) and then chilling temperature is to 45～55 DEG C, thickening agent, antifungus agent, firming agent, delustering agent, defoamer, modification are added
Levelling agent, coalescents, continue stirring 30～40min；
(4) last chilling temperature, to room temperature, filters through 100 mesh filter screens, detects, get product a kind of modified water-soluble fluoro coatings.
Beneficial effects of the present invention
A kind of present invention modified water-soluble fluoro coatings and preparation method thereof difference from prior art is:
A kind of modified water-soluble fluoro coatings of the present invention, easily play flake, levelling during solving coating using modifiers dispersants
Property difference problem, combined using titanium dioxide and nano-calcium carbonate simultaneously, make coating have good light scattering ability, tinting strength, tinting power
High, strong covering power, and there is higher chemical stability and preferable weather resistance, and film durometer properties is greatly improved
And abrasion resistance.
Specific embodiment
With the following Examples a kind of modified water-soluble fluoro coatings of the present invention and preparation method thereof are further described.
Embodiment 1
A kind of modified water-soluble fluoro coatings of the present invention, each component proportion preparation system being calculated by following raw materials by weight portion
Become: 55 parts of water-based fluororesin, 3 parts of amphiphatic polyacrylic acid modified Quadrafos dispersant, wetting agent water solublity ethoxy base class
5 parts of nonionic fluorocarbon surfactant, 20 parts of titanium dioxide, 8 parts of nano-calcium carbonate, 4 parts of the poly- propionic acid amide. of thickening agent, antifungus agent
1.5 parts, 4 parts of the polyisocyanates of firming agent hydrophilic modifying, 0.7 part of delustering agent modified polyester acrylate ester, the poly- diformazan of defoamer
0.3 part of radical siloxane, modified 0.8 part of the fluorine-carbon modified polyacrylate of levelling agent, 0.3 part of coalescents ethylene glycol, deionized water
20 parts.
Its preparation method is as follows:
(1) modifiers dispersants, wetting agent, deionized water, titanium dioxide, nano-sized carbon are put into respectively in the enamel reaction pot with stirring
Sour calcium, opens stirring, heat temperature raising, temperature rises to 45 DEG C, and mixing speed is 900r/min, stirs 80min.
(2) it is subsequently added into water-based fluororesin, at 70 DEG C, mixing speed is 350r/min to temperature control, stirs 30min.
(3) thickening agent, antifungus agent, firming agent, delustering agent, defoamer, modified levelling and then chilling temperature is to 50 DEG C, are added
Agent, coalescents, continue stirring 35min；
(4) last chilling temperature, to room temperature, filters through 100 mesh filter screens, detects, get product a kind of modified water-soluble fluoro coatings.
Embodiment 2
A kind of modified water-soluble fluoro coatings of the present invention, each component proportion preparation system being calculated by following raw materials by weight portion
Become: 60 parts of water-based fluororesin, 4 parts of amphiphatic polyacrylic acid modified Quadrafos dispersant, wetting agent polyoxyethanyl ethers are non-
6 parts of ion-type fluorocarbon surfactant, 25 parts of titanium dioxide, 5 parts of nano-calcium carbonate, 5 parts of thickening agent polyvinyl alcohol, antifungus agent 2
Part, 5 parts of the polyisocyanates of firming agent hydrophilic modifying, 0.8 part of delustering agent modified polyester acrylate ester, defoamer are polyether-modified poly-
0.4 part of dimethyl siloxane, modified 1 part of the fluorine-carbon modified polyacrylate of levelling agent, coalescents 0.4 ethylene glycol part, deionization
25 parts of water.
Its preparation method is as follows:
(1) modifiers dispersants, wetting agent, deionized water, titanium dioxide, nano-sized carbon are put into respectively in the enamel reaction pot with stirring
Sour calcium, opens stirring, heat temperature raising, temperature rises to 42 DEG C, and mixing speed is 1000r/min, stirs 90min.
(2) it is subsequently added into water-based fluororesin, at 75 DEG C, mixing speed is 330r/min to temperature control, stirs 40min.
(3) thickening agent, antifungus agent, firming agent, delustering agent, defoamer, modified levelling and then chilling temperature is to 48 DEG C, are added
Agent, coalescents, continue stirring 40min；
(4) last chilling temperature, to room temperature, filters through 100 mesh filter screens, detects, get product a kind of modified water-soluble fluoro coatings.
Embodiment 3
A kind of modified water-soluble fluoro coatings of the present invention, each component proportion preparation system being calculated by following raw materials by weight portion
Become: 52 parts of water-based fluororesin, 2.5 parts of amphiphatic polyacrylic acid modified Quadrafos dispersant, wetting agent water solublity ethyoxyl
4 parts of class nonionic fluorocarbon surfactant, 18 parts of titanium dioxide, 7 parts of nano-calcium carbonate, 3 parts of the poly- propionic acid amide. of thickening agent, mould proof
2 parts of agent, 3.5 parts of the polyisocyanates of firming agent hydrophilic modifying, 0.6 part of delustering agent modified polyester acrylate ester, defoamer fluorine silicon
0.3 part of oxygen alkane, modified 0.7 part of the fluorine-carbon modified polyacrylate of levelling agent, 0.2 part of coalescents ethylene glycol, 18 parts of deionized water.
Its preparation method is as follows:
(1) modifiers dispersants, wetting agent, deionized water, titanium dioxide, nano-sized carbon are put into respectively in the enamel reaction pot with stirring
Sour calcium, opens stirring, heat temperature raising, temperature rises to 45 DEG C, and mixing speed is 800r/min, stirs 750min.
(2) it is subsequently added into water-based fluororesin, at 68 DEG C, mixing speed is 320r/min to temperature control, stirs 35min.
(3) thickening agent, antifungus agent, firming agent, delustering agent, defoamer, modified levelling and then chilling temperature is to 52 DEG C, are added
Agent, coalescents, continue stirring 35min；
(4) last chilling temperature, to room temperature, filters through 100 mesh filter screens, detects, get product a kind of modified water-soluble fluoro coatings.
The trial target that finished product spraying in embodiment 1～3 is obtained, its shiny appearance is plentiful, paint film is smooth, to its performance
Detected, acquired results are as shown in table 1.
The property indices of product in table 1 embodiment 1～3
Although the foregoing describe the specific embodiment of the present invention, it will be appreciated by those of skill in the art that these are only
Illustrate, protection scope of the present invention is defined by the appended claims.Those skilled in the art is without departing substantially from this
On the premise of the principle of invention and essence, various changes or modifications can be made to these embodiments, but these change and repair
Change and each fall within protection scope of the present invention.
Claims (4)
1. a kind of modified water-soluble fluoro coatings are it is characterised in that prepared by each component proportion that following raw materials by weight portion calculates
Make: 50～60 parts of water-based fluororesin, 2～4 parts of modifiers dispersants, 4～6 parts of wetting agent, 15～25 parts of titanium dioxide, nano-calcium carbonate
5～10 parts of calcium, 3～5 parts of thickening agent, 1～2 part of antifungus agent, 3～5 parts of firming agent, 0.5～0.8 part of delustering agent, defoamer 0.2～
0.4 part, modified 0.6～1 part of levelling agent, 0.2～0.4 part of coalescents, 15～25 parts of deionized water.
2. modifiers dispersants described in are amphiphatic polyacrylic acid modified Quadrafos dispersant, and its preparation method is: by weight
Part proportioning is in the Quadrafos and polyacrylic acid input enamel reaction pot of 1:1.2, and adds solid super-strong acid so4 2-/tio2,
It is heated to 80 DEG C, stirring reaction 4h, it is cooled to room temperature and filters, obtain modifiers dispersants；
Described wetting agent is water solublity ethoxy base class nonionic fluorocarbon surfactant, polyoxyethanyl ethers nonionic fluorine carbon
The mixture of any one or two kinds in surfactant；
Described thickening agent is poly- propionic acid amide. or polyvinyl alcohol；
Described firming agent is the polyisocyanates of hydrophilic modifying；
Described delustering agent is modified polyester acrylate ester；
Described defoamer is polydimethylsiloxane, polyether-modified polydimethylsiloxane, in fluorosilicone any one or
More than two kinds of mixture；
Described modification levelling agent is fluorine-carbon modified polyacrylate；
Described coalescents are ethylene glycol.
3. a kind of modified water-soluble fluoro coatings according to claim 1 it is characterised in that further preferably, by weight
Calculate: 55 parts of water-based fluororesin, 3 parts of modifiers dispersants, 5 parts of wetting agent, 20 parts of titanium dioxide, 8 parts of nano-calcium carbonate, thickening agent 4
Part, 1.5 parts of antifungus agent, 4 parts of firming agent, 0.6 part of delustering agent, 0.3 part of defoamer, modified 0.8 part of levelling agent, coalescents 0.3
Part, 20 parts of deionized water.
4. a kind of a kind of preparation method of modified water-soluble fluoro coatings according to claim 1 it is characterised in that it include with
Lower step is made:
(1) modifiers dispersants, wetting agent, deionized water, titanium dioxide, nano-sized carbon are put into respectively in the enamel reaction pot with stirring
Sour calcium, open stirring, heat temperature raising, temperature rises to 40～45 DEG C, mixing speed be 800～1000r/min, stirring 60～
90min；
(2) it is subsequently added into water-based fluororesin, at 65～75 DEG C, mixing speed is 300～350r/min to temperature control, stirs 30
～40min；
(3) thickening agent, antifungus agent, firming agent, delustering agent, defoamer, modified levelling and then chilling temperature is to 45～55 DEG C, are added
Agent, coalescents, continue stirring 30～40min；
(4) last chilling temperature, to room temperature, filters through 100 mesh filter screens, detects, get product a kind of modified water-soluble fluoro coatings.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610730344.7A CN106349830A (en) | 2016-08-26 | 2016-08-26 | Modified waterborne fluorine coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610730344.7A CN106349830A (en) | 2016-08-26 | 2016-08-26 | Modified waterborne fluorine coating and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108641505A (en) * | 2018-05-09 | 2018-10-12 | 郑州新阳新材料科技有限公司 | A kind of aqueous anti-migration, high-weather resistance fluorocarbon coating and its preparation process |
| CN109810624A (en) * | 2017-11-20 | 2019-05-28 | 比亚迪股份有限公司 | Fluorine-containing conformal coating composition and its preparation method and application |
| CN110093073A (en) * | 2018-01-28 | 2019-08-06 | 姚建珍 | A kind of aqueous coating formulation and preparation method thereof based on Teflon |
| CN113980523A (en) * | 2021-11-30 | 2022-01-28 | 河南麦维新材料有限公司 | Color-changeable can-making water-based paint and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109810624A (en) * | 2017-11-20 | 2019-05-28 | 比亚迪股份有限公司 | Fluorine-containing conformal coating composition and its preparation method and application |
| CN109810624B (en) * | 2017-11-20 | 2020-08-25 | 比亚迪股份有限公司 | Fluorine-containing conformal coating composition and preparation method and application thereof |
| CN110093073A (en) * | 2018-01-28 | 2019-08-06 | 姚建珍 | A kind of aqueous coating formulation and preparation method thereof based on Teflon |
| CN108641505A (en) * | 2018-05-09 | 2018-10-12 | 郑州新阳新材料科技有限公司 | A kind of aqueous anti-migration, high-weather resistance fluorocarbon coating and its preparation process |
| CN113980523A (en) * | 2021-11-30 | 2022-01-28 | 河南麦维新材料有限公司 | Color-changeable can-making water-based paint and preparation method thereof |
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Application publication date: 20170125 |