CN107141950B - A kind of hydrophily lubricant coating coating and preparation method thereof - Google Patents
A kind of hydrophily lubricant coating coating and preparation method thereof Download PDFInfo
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- CN107141950B CN107141950B CN201710300782.4A CN201710300782A CN107141950B CN 107141950 B CN107141950 B CN 107141950B CN 201710300782 A CN201710300782 A CN 201710300782A CN 107141950 B CN107141950 B CN 107141950B
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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
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/003—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/10—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of amides or imides
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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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Abstract
The present invention relates to a kind of hydrophily lubricant coating coating and preparation method thereof.Hydrophily lubricant coating coating of the present invention includes the component of following parts by weight：Polyacrylamide is modified 30 50 parts of 50 85 parts of Superhydrophilic acrylic resin, modified 8 20 parts of wax assistant, 50 90 parts of water, 0.5 1.2 parts of wetting agent, 30 50 parts of water cross-linking agent, 02 parts of antifoaming agent and butyl glycol ether.Hydrophily lubricant coating coating of the present invention, using the acrylic resin modified and modified wax assistant of polyacrylamide, paint stability is good, impart the excellent lubricity of coating and Superhydrophilic, the coefficient of kinetic friction is less than or equal to 0.125, confficient of static friction is less than or equal to 0.175, and initial hydrophilicity is less than or equal to 5 °, and protracted hydrophilicity is between 10 18 °；And raw material cost is low and without apparent smell, simple production process is, it can be achieved that flexible scheduled production.
Description
Technical field
The present invention relates to technical field of chemical paint, more particularly to a kind of hydrophily lubricant coating coating and its preparation
Method.
Background technology
Conventional air-conditioning foil assigns coating antiseptic and hydrophile function with hydrophilic coating, and the technology domestic contrast is ripe, hydrophily
Air-conditioner foil reduces friction during striking out fin, and volatility fin oil need to be sprayed by improving drawing velocity, and subsequent technique is again
It is set to vapor away by the method for heating, not only smell is big for the fin oil used, has pollution to environment, and fin oil can be to applying
Layer performance has damage, in order to improve ram efficiency, reduces the parent with lubricating function that begins one's study in fin oil usage amount industry
Water paint.
Currently in order to realizing the coating of lubricating function, the coating made has certain lubricity and hydrophily, but existing
Lubricant coating Paint preparation technology complexity in technology, such as need to heat dispersion, and paint stability is poor, easily divides
At coating taste weight；And there are the initial hydrophilicity of coating, ply adhesion is poor, coating is not transparent enough and coating cost
The problems such as high.
Invention content
Based on this, the object of the present invention is to provide a kind of hydrophily lubricant coating coating and preparation method thereof, systems
For simple for process, finished product stability is good, excellent lubricating properties.
A kind of hydrophily lubricant coating coating, includes the component of following parts by weight：Polyacrylamide is modified Superhydrophilic
50-85 parts of acrylic resin, modified 8-20 parts of wax assistant, 50-90 parts of water, 0.5-1.2 parts of wetting agent, water cross-linking agent 30-50
30-50 parts of part, 0-2 parts of antifoaming agent and butyl glycol ether.
Hydrophily lubricant coating coating of the present invention, using polyacrylamide is acrylic resin modified and modified waxes
Auxiliary agent, paint stability is good, imparts the excellent lubricity of coating and Superhydrophilic, its coefficient of kinetic friction is made to be less than or equal to
0.125, confficient of static friction be less than or equal to 0.175, initial hydrophilicity be less than or equal to 5 °, protracted hydrophilicity between 10-18 °,
When for air-conditioning heat exchanger, ensure diffusion of the condensed water in fin, it is not easy to form " water bridge ", ensure the ventilation of operation of air conditioner
Effect；And raw material cost is low and without apparent smell, simple production process is, it can be achieved that flexible scheduled production.
Further, the polyacrylamide is acrylic resin modified including following components by weight：Acrylamide
5-20 parts, methacrylic acid or 30-40 parts of acrylic acid, hydroxy-ethyl acrylate or hydroxypropyl acrylate or hydroxyethyl methacrylate
Or 30-40 parts of hydroxy propyl methacrylate, 50-60 parts of water, 3-10 parts of polyacrylamide, 5-20 parts of polymerisable surfactant,
0.5-2.5 parts of initiator.Polyacrylamide has resistance-reducing performance, effectively reduces friction coefficient, lubricity is improved, so as to improve painting
The lubricity of material；And by introducing polyacrylamide polymers, collaboration methacrylic acid (or acrylic acid) and methacrylic acid
Hydroxyl ethyl ester (or hydroxy-ethyl acrylate or hydroxypropyl acrylate or hydroxy propyl methacrylate), utilizes the hydroxyl and carboxylic wherein contained
Base, make to be prepared it is acrylic resin modified there is hydrophily, provided by the introducing of methyl moist, make the hydrophily of coating
It is more longlasting.
Further, the acrylic resin modified molecular weight of the polyacrylamide is 5,000,000-1,000 ten thousand.In this molecule
The polyacrylamide measured in range is acrylic resin modified, is ensureing hydrophilic meanwhile, it is capable to ensure the modest viscosity of coating,
The film thickness of coating is easily controllable；When molecular weight be less than 5,000,000, hydrophily is poor, although be embodied in hydrophilic angle 20 ° with
It is interior, but be that flash is unsmooth around water droplet, i.e., water droplet is not round enough, and when molecular weight is more than 10,000,000, viscosity is excessively high, coating
Film thickness is not easy to control during use.
Further, the modified wax assistant includes the hard polyethylene wax product of nonionic.Using modified wax assistant and gather
Acrylamide, polyacrylamide can effectively be adsorbed on metal surface, move out outward from coating, and the thin of lubrication is formed on surface
Layer reduces friction coefficient, ensures that the lubricity for the coating surface that coating is formed, modified wax assistant have good with the ingredient in coating
Good compatibility, can reduce the cohesive force of each component inside coating, ensure that lubricity, the two collaboration improve from coat inside
The greasy property of entire coating.
Further, the grain size of the modified wax assistant is less than or equal to 20 μm.The grain size of modified wax assistant is in this range
The interior circularity that can be effectively improved water droplet, if grain size, which crosses conference, influences the hydrophilic angle of coating, grain size is bigger, and hydrophilic angle is got over
Greatly, water droplet surrounding smooth degree is bad, there is flash, cannot satisfy the use demand.
Further, the water cross-linking agent is glycoluril resin water cross-linking agent, preferably Methyl ether glycoluril resin.Make
The hydrophily of coating can be effectively improved with glycoluril resin water cross-linking agent.
Further, the polyacrylamide is anionic polyacrylamide, the molecule of the anionic polyacrylamide
Amount is less than 12,000,000.Anionic polyacrylamide is high molecular weight water soluble polymer, ensures the hydrophily of coating, and due to poly-
The thickening power of acrylamide in aqueous solution, molecular weight be less than 1200 it is omnipotent it is enough effectively avoid molecular weight is excessive from being dissolved in water after lead
The viscosity of cause system is excessive, and the viscosity for being unfavorable for production and finished product controls.
Further, the polymerisable surfactant is allyl type sulfonic acid functional group's surfactant, the initiation
Agent is one or more of ammonium persulfate, sodium peroxydisulfate and potassium peroxydisulfate.The finished foam that polymerisable surfactant is made
It is few, increase the convenience that coating uses；Allyl type sulfonic acid functional group contains HSO3-, the initial stage for effectively improving hydrophilic coating is hydrophilic
Property and protracted hydrophilicity；And polymerizable surfactants avoid general surfactant and cannot be aggregated on strand
Problem, after coating drying film forming, can not polymeric surface surfactant oriented surface migration tendency, surface is lived in wet environment
Property agent there is loss, hydrophily also to have loss, and polymerizable surfactants can effectively ensure that retaining for activating agent, ensure
Hydrophily.
Further, the wetting agent be alkyl phenol polyoxyethylene ether and alkyl phenyl polyoxyethylene ether sulfonates in one kind or
Two kinds；The antifoaming agent is non-silicon or polyethers antifoaming agent.The wetting agent can effectively reduce surface tension, improve water droplet circle
Degree.
The present invention also provides a kind of preparation methods of hydrophily lubricant coating coating, include the following steps：
S1：Each component is weighed by the parts by weight；
S2：It is modified in Superhydrophilic acrylic resin to polyacrylamide successively and modified wax assistant, wetting agent, aqueous is added
Crosslinking agent, antifoaming agent, butyl glycol ether and water, stirring 1-3h obtain the hydrophily lubricant coating coating.
The preparation method of the present invention is simple for process, need not heat the complex steps such as dispersion, be easy to industrialized production；And it makes
Standby obtained finished product paint stability is good, excellent lubricating properties.
Further, the mixing speed is 60-400r/min.
Further, the preparation method that the polyacrylamide is modified super hydrophilic acrylic resin is：It weighs by weight
Following components：5-20 parts of acrylamide, methacrylic acid or 30-40 parts of acrylic acid, hydroxy-ethyl acrylate or hydroxypropyl acrylate
Or it is 30-40 parts of hydroxyethyl methacrylate or hydroxy propyl methacrylate, 50-60 parts of water, 3-10 parts of polyacrylamide, polymerizable
5-20 parts of surfactant, 0.5-2.5 parts of initiator；Polyacrylamide and polymerisable surfactant are dissolved in the water, risen
Methacrylic acid or acrylic acid, hydroxy-ethyl acrylate or hydroxypropyl acrylate or metering system is added dropwise to 70-90 DEG C in temperature thereto
Sour hydroxyl ethyl ester or hydroxy propyl methacrylate and initiator, after reacting 1-3 hours, acrylamide aqueous solution is added dropwise, and the reaction was continued
1-3 hours, cooling discharging was modified super hydrophilic acrylic resin up to polyacrylamide.
In order to better understand and implement, the following detailed description of the present invention.
Specific implementation mode
The invention discloses a kind of hydrophily lubricant coating coating and preparation method thereof, the hydrophily lubricant coating is used
Coating includes the component of following parts by weight：Polyacrylamide is modified 50-85 parts of Superhydrophilic acrylic resin, modified wax assistant
8-20 parts, 50-90 parts of water, 0.5-1.2 parts of wetting agent, 30-50 parts of water cross-linking agent, 0-2 parts of antifoaming agent and butyl glycol ether
30-50 parts.Wherein, the wetting agent is one kind or two in alkyl phenol polyoxyethylene ether and alkyl phenyl polyoxyethylene ether sulfonates
Kind；The antifoaming agent is non-silicon or polyethers antifoaming agent class antifoaming agent；The water cross-linking agent is glycoluril resin water cross-linking agent,
It is preferred that Methyl ether glycoluril resin.Preferably, the hydrophily lubricant coating coating, includes the component of following parts by weight：
Polyacrylamide is modified 50-70 parts of Superhydrophilic acrylic resin, modified 8-15 parts of wax assistant, 50-90 parts of water, wetting agent 0.5-
30-50 parts of 1.2 parts, 30-50 parts of water cross-linking agent, 0-0.03 parts of antifoaming agent and butyl glycol ether.
The acrylic resin modified molecular weight of the polyacrylamide be 5,000,000-1,000 ten thousand comprising by weight with
Lower component：5-10 parts of acrylamide, methacrylic acid or 30-40 parts of acrylic acid, hydroxy-ethyl acrylate or hydroxypropyl acrylate or
Hydroxyethyl methacrylate or 30-40 parts of hydroxy propyl methacrylate, 50-60 parts of water, 3-10 parts of polyacrylamide, polymerizable table
Activating agent 5-20 parts of face, 0.5-2.5 parts of initiator.Wherein, the polyacrylamide is anionic polyacrylamide, it is described it is cloudy from
The molecular weight of sub- polyacrylamide is less than 12,000,000.The polymerisable surfactant is lived for allyl type sulfonic acid functional group surface
Property agent；The initiator is one or more of ammonium persulfate, sodium peroxydisulfate and potassium peroxydisulfate.
The modified wax assistant includes the hard polyethylene wax product of nonionic, and the grain size of the modified wax assistant is less than or waits
In 20 μm.
Hydrophily lubricant coating of the present invention is included the following steps with preparation method for coating：
S1：Each component is weighed by aforementioned weight；
S2：It is modified in Superhydrophilic acrylic resin to polyacrylamide successively and modified wax assistant, wetting agent, aqueous is added
Crosslinking agent, antifoaming agent, butyl glycol ether and water, stirring 1-3h obtain the hydrophily lubricant coating coating.The stirring speed
Degree is 60-400r/min.
Wherein, the preparation method that the polyacrylamide is modified super hydrophilic acrylic resin is：It is weighed by aforementioned weight
Component；Polyacrylamide and polymerisable surfactant are dissolved in the water, 70-90 DEG C is warming up to, methyl-prop is added dropwise thereto
Olefin(e) acid or acrylic acid, hydroxy-ethyl acrylate or hydroxypropyl acrylate or hydroxyethyl methacrylate or hydroxy propyl methacrylate with
And initiator, after reacting 1-3 hours, acrylamide aqueous solution is added dropwise, and the reaction was continued 1-3 hours, and cooling discharging is up to polyacrylamide
Amine is modified super hydrophilic acrylic resin.
Embodiment 1
Hydrophily lubricant coating coating described in the present embodiment, includes the component of following parts by weight：Polyacrylamide changes
Property 70 parts of Superhydrophilic acrylic resin, modified 15 parts of wax assistant, 80 parts of water, 1 part of alkyl phenol polyoxyethylene ether, the first and second bases etherificate
40 parts of 40 parts of glycoluril resin water cross-linking agent, 0.015 part of polyethers antifoaming agent and butyl glycol ether.
The acrylic resin modified molecular weight of the polyacrylamide be 5,000,000-1,000 ten thousand comprising by weight with
Lower component：8 parts of acrylamide, 30 parts of methacrylic acid, 30 parts of hydroxyethyl methacrylate, 50 parts of water, anion pp acyl
6 parts of amine, 10 parts of allyl type sulfonic acid functional group surfactant, 0.7 part of sodium peroxydisulfate.Wherein, point of the polyacrylamide
Son amount is 10,000,000.
The modified wax assistant includes the hard polyethylene wax product of nonionic, and the grain size of the modified wax assistant is 18 μm.
The preparation method of the hydrophily lubricant coating coating, includes the following steps：
S1：Each component is weighed by aforementioned weight；
S2：It is modified in Superhydrophilic acrylic resin to polyacrylamide successively and modified wax assistant, wetting agent, aqueous is added
Crosslinking agent, antifoaming agent, butyl glycol ether and water are often added after a kind of material and add next material after stirring 10-30min, adds
After entering, the hydrophily lubricant coating coating is obtained in the rotating speed stirring 1-3h of 100r/min.
Wherein, the preparation method that the polyacrylamide is modified super hydrophilic acrylic resin is：It is weighed by aforementioned weight
Component；Anionic polyacrylamide and allyl type sulfonic acid functional group's surfactant are dissolved in the water, 70-90 is warming up to
DEG C, methacrylic acid or acrylic acid, hydroxy-ethyl acrylate or hydroxypropyl acrylate or hydroxyethyl methacrylate are added dropwise thereto
Or hydroxy propyl methacrylate and initiator, after reaction 1-3 hour, the reaction was continued 1-3 hours for dropwise addition acrylamide aqueous solution,
Cooling discharging is modified super hydrophilic acrylic resin up to polyacrylamide.
Pass through the performance parameter such as the following table 1 for the hydrophily lubricant coating coating that the above method is prepared：
The performance parameter of coating described in 1 the present embodiment of table
| Viscosity | Solid content | PH value |
| 9-12S (T-4 glasss, 25 DEG C) | 11% (180 DEG C, 30min) | 2.3 |
The hydrophily and lubricity of air-conditioner foil are used for by the hydrophily lubricant coating coating that the above method is prepared
Index such as the following table 2 (the common coating in against existing technologies is used for the index of air-conditioner foil), as can be known from the table data, institute of the present invention
The coating stated has superior hydrophily and greasy property.
Coating and existing coating described in 2 the present embodiment of table are used for the index parameter of air-conditioner foil
| Initial hydrophilicity/° | Protracted hydrophilicity/° | Resistance to fin oiliness/° | The coefficient of kinetic friction | Confficient of static friction | |
| It is existing | 6-8 | 20-26 | 7-15 | 0.560 | 0.760 |
| Embodiment 1 | 4 | 10-12 | 6 | 0.105 | 0.135 |
Compared with the existing technology, the present embodiment is using the acrylic resin modified and modified wax assistant of polyacrylamide, coating
Stability is good, imparts the excellent lubricity of coating and Superhydrophilic, the coefficient of kinetic friction 0.105, and confficient of static friction is
0.135, initial hydrophilicity is 4 °, and protracted hydrophilicity is between 10-12 °；And raw material cost is low and without apparent smell, gives birth to
Production. art is simple, it can be achieved that flexible scheduled production.
Embodiment 2
Hydrophily lubricant coating coating described in the present embodiment, includes the component of following parts by weight：Polyacrylamide changes
Property 50 parts of Superhydrophilic acrylic resin, modified 20 parts of wax assistant, 50 parts of water, the alkyl phenol polyoxyethylene ether of mixing and alkyl phenol
0.5 part of polyoxyethylene sulfonic acid salt, 30 parts of the first and second bases etherificate glycoluril resin water cross-linking agent, 1 part of non-silicon defoaming agent and ethylene glycol
30 parts of butyl ether.The alkyl phenol polyoxyethylene ether and the molar ratio of alkyl phenyl polyoxyethylene ether sulfonates are 1:1.
The acrylic resin modified molecular weight of the polyacrylamide be 5,000,000-1,000 ten thousand comprising by weight with
Lower component：20 parts of acrylamide, 40 parts of methacrylic acid, 40 parts of hydroxy propyl methacrylate, 60 parts of water, anion pp acyl
10 parts of amine, 20 parts of allyl type sulfonic acid functional group surfactant, 2.5 parts of Liu's ammonium sulfate.Wherein, point of the polyacrylamide
Son amount is 11,000,000.
The modified wax assistant includes the hard polyethylene wax product of nonionic, and the grain size of the modified wax assistant is 20 μm.
The preparation method of the hydrophily lubricant coating coating, includes the following steps：
S1：Each component is weighed by aforementioned weight；
S2：It is modified in Superhydrophilic acrylic resin to polyacrylamide successively and modified wax assistant, wetting agent, aqueous is added
Crosslinking agent, antifoaming agent, butyl glycol ether and water are often added after a kind of material and add next material after stirring 10-30min, adds
After entering, the hydrophily lubricant coating coating is obtained in the rotating speed stirring 1-3h of 200r/min.
Wherein, the preparation method that the polyacrylamide is modified super hydrophilic acrylic resin is：It is weighed by aforementioned weight
Component；Anionic polyacrylamide and allyl type sulfonic acid functional group's surfactant are dissolved in the water, 70-90 is warming up to
DEG C, methacrylic acid or acrylic acid, hydroxy-ethyl acrylate or hydroxypropyl acrylate or hydroxyethyl methacrylate are added dropwise thereto
Or hydroxy propyl methacrylate and initiator, after reaction 1-3 hour, the reaction was continued 1-3 hours for dropwise addition acrylamide aqueous solution,
Cooling discharging is modified super hydrophilic acrylic resin up to polyacrylamide.
Pass through the performance parameter such as the following table 3 for the hydrophily lubricant coating coating that the above method is prepared：
The performance parameter of coating described in 3 the present embodiment of table
| Viscosity | Solid content | PH value |
| 9-12S (T-4 glasss, 25 DEG C) | 12% (180 DEG C, 30min) | 1 |
The hydrophily and lubricity of air-conditioner foil are used for by the hydrophily lubricant coating coating that the above method is prepared
Index such as the following table 4 (the common coating in against existing technologies is used for the index of air-conditioner foil), as can be known from the table data, institute of the present invention
The coating stated has superior hydrophily and greasy property.
Coating and existing coating described in 4 the present embodiment of table are used for the index parameter of air-conditioner foil
| Initial hydrophilicity/° | Protracted hydrophilicity/° | Resistance to fin oiliness/° | The coefficient of kinetic friction | Confficient of static friction | |
| It is existing | 6-8 | 20-26 | 7-15 | 0.560 | 0.760 |
| Embodiment 2 | 5 | 10-18 | 8 | 0.125 | 0.175 |
Compared with the existing technology, the present embodiment is using the acrylic resin modified and modified wax assistant of polyacrylamide, coating
Stability is good, imparts the excellent lubricity of coating and Superhydrophilic, the coefficient of kinetic friction 0.125, and confficient of static friction is
0.175, initial hydrophilicity is 5 °, and protracted hydrophilicity is between 10-18 °；And raw material cost is low and without apparent smell, gives birth to
Production. art is simple, it can be achieved that flexible scheduled production.
Embodiment 3
Hydrophily lubricant coating coating described in the present embodiment, includes the component of following parts by weight：Polyacrylamide changes
Property 85 parts of Superhydrophilic acrylic resin, modified 8 parts of wax assistant, 90 parts of water, 1.2 parts of alkyl phenyl polyoxyethylene ether sulfonates, first and second
Base is etherified 50 parts of 50 parts of glycoluril resin water cross-linking agent, 2 parts of polyethers antifoaming agent and butyl glycol ether.
The acrylic resin modified molecular weight of the polyacrylamide be 5,000,000-1,000 ten thousand comprising by weight with
Lower component：35 parts of 5 parts of acrylamide, 35 parts of acrylic acid, hydroxy-ethyl acrylate or hydroxypropyl acrylate, 55 parts of water, anion are poly-
3 parts of acrylamide, 5 parts of allyl type sulfonic acid functional group surfactant, 0.5 part of Liu's ammonium sulfate.Wherein, the polyacrylamide
Molecular weight be 10,000,000.
The modified wax assistant includes the hard polyethylene wax product of nonionic, and the grain size of the modified wax assistant is 15 μm.
The preparation method of the hydrophily lubricant coating coating, includes the following steps：
S1：Each component is weighed by aforementioned weight；
S2：It is modified in Superhydrophilic acrylic resin to polyacrylamide successively and modified wax assistant, wetting agent, aqueous is added
Crosslinking agent, antifoaming agent, butyl glycol ether and water are often added after a kind of material and add next material after stirring 10-30min, adds
After entering, the hydrophily lubricant coating coating is obtained in the rotating speed stirring 1-3h of 400r/min.
Wherein, the preparation method that the polyacrylamide is modified super hydrophilic acrylic resin is：It is weighed by aforementioned weight
Component；Anionic polyacrylamide and allyl type sulfonic acid functional group's surfactant are dissolved in the water, 70-90 is warming up to
DEG C, methacrylic acid or acrylic acid, hydroxy-ethyl acrylate or hydroxypropyl acrylate or hydroxyethyl methacrylate are added dropwise thereto
Or hydroxy propyl methacrylate and initiator, after reaction 1-3 hour, the reaction was continued 1-3 hours for dropwise addition acrylamide aqueous solution,
Cooling discharging is modified super hydrophilic acrylic resin up to polyacrylamide.
Pass through the performance parameter such as the following table 5 for the hydrophily lubricant coating coating that the above method is prepared：
The performance parameter of coating described in 5 the present embodiment of table
| Viscosity | Solid content | PH value |
| 9-12S (T-4 glasss, 25 DEG C) | 9% (180 DEG C, 30min) | 3 |
The hydrophily and lubricity of air-conditioner foil are used for by the hydrophily lubricant coating coating that the above method is prepared
Index such as the following table 6 (the common coating in against existing technologies is used for the index of air-conditioner foil), as can be known from the table data, institute of the present invention
The coating stated has superior hydrophily and greasy property.
Coating and existing coating described in 6 the present embodiment of table are used for the index parameter of air-conditioner foil
| Initial hydrophilicity/° | Protracted hydrophilicity/° | Resistance to fin oiliness/° | The coefficient of kinetic friction | Confficient of static friction | |
| It is existing | 6-8 | 20-26 | 7-15 | 0.560 | 0.760 |
| Embodiment 3 | 3.5 | 10-12 | 6 | 0.110 | 0.145 |
Compared with the existing technology, the present embodiment is using the acrylic resin modified and modified wax assistant of polyacrylamide, coating
Stability is good, imparts the excellent lubricity of coating and Superhydrophilic, the coefficient of kinetic friction 0.115, and confficient of static friction is
0.145, initial hydrophilicity is 3.5 °, and protracted hydrophilicity is between 10-12 °；And raw material cost is low and without apparent smell,
Simple production process is, it can be achieved that flexible scheduled production.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.
Claims (2)
1. a kind of hydrophily lubricant coating coating, it is characterised in that：Include the component of following parts by weight：Polyacrylamide is modified
50-85 parts of Superhydrophilic acrylic resin, modified 8-20 parts of wax assistant, 50-90 parts of water, 0.5-1.2 parts of wetting agent, aqueous crosslinking
30-50 parts of 30-50 parts of agent, 0-2 parts of antifoaming agent and butyl glycol ether；
The preparation method that the polyacrylamide is modified super hydrophilic acrylic resin is：Following components is weighed by weight：Propylene
5-20 parts of amide, methacrylic acid or 30-40 parts of acrylic acid, hydroxy-ethyl acrylate or hydroxypropyl acrylate or hydroxyethyl methacrylate
Ethyl ester or 30-40 parts of hydroxy propyl methacrylate, 50-60 parts of water, 3-10 parts of polyacrylamide, polymerisable surfactant 5-20
Part, 0.5-2.5 parts of initiator；Polyacrylamide and polymerisable surfactant are dissolved in the water, are warming up to 70-90 DEG C, to
Methacrylic acid or acrylic acid, hydroxy-ethyl acrylate or hydroxypropyl acrylate or hydroxyethyl methacrylate or methyl is wherein added dropwise
Hydroxypropyl acrylate and initiator, after reacting 1-3 hours, acrylamide aqueous solution is added dropwise, and the reaction was continued 1-3 hours, and cooling is
It obtains polyacrylamide and is modified super hydrophilic acrylic resin；Wherein, the acrylic resin modified molecular weight of the polyacrylamide is
5000000-1,000 ten thousand；
The modified wax assistant is the hard polyethylene wax product of nonionic, and grain size is less than or equal to 20 μm；
The water cross-linking agent is glycoluril resin water cross-linking agent；
The polyacrylamide is anionic polyacrylamide, and the molecular weight of the anionic polyacrylamide is less than 12,000,000；
The polymerisable surfactant is allyl type sulfonic acid functional group's surfactant；The initiator is ammonium persulfate, over cure
One or more of sour sodium and potassium peroxydisulfate；
The wetting agent is one or both of alkyl phenol polyoxyethylene ether and alkyl phenyl polyoxyethylene ether sulfonates；The defoaming
Agent is non-silicon or polyethers antifoaming agent.
2. the preparation method of hydrophily lubricant coating coating described in claim 1, it is characterised in that：Include the following steps：
S1：Each component is weighed by the parts by weight；
S2：It is modified in Superhydrophilic acrylic resin to polyacrylamide successively and modified wax assistant, wetting agent, aqueous crosslinking is added
Agent, antifoaming agent, butyl glycol ether and water, stirring 1-3h obtain the hydrophily lubricant coating coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710300782.4A CN107141950B (en) | 2017-05-02 | 2017-05-02 | A kind of hydrophily lubricant coating coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710300782.4A CN107141950B (en) | 2017-05-02 | 2017-05-02 | A kind of hydrophily lubricant coating coating and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107141950A CN107141950A (en) | 2017-09-08 |
| CN107141950B true CN107141950B (en) | 2018-10-02 |
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| CN110684412A (en) * | 2019-09-25 | 2020-01-14 | 珠海格力电器股份有限公司 | Anti-corrosion wetting coating material, anti-corrosion wetting coating method and condensing unit heat exchanger |
| CN111892845A (en) * | 2020-07-06 | 2020-11-06 | 兰州工业研究院 | Method for manufacturing cold end coating |
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| CN113621424A (en) * | 2021-09-10 | 2021-11-09 | 湖南金裕环保科技有限公司 | Tube lubricant or pump lubricant for top pump and bottom pump and preparation method thereof |
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| CN102617866B (en) * | 2012-03-31 | 2013-07-24 | 陕西科技大学 | Preparation method of nonionic polyethylene wax emulsion |
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