CN108047929A - A kind of high hot water resistance coating - Google Patents
A kind of high hot water resistance coating Download PDFInfo
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- CN108047929A CN108047929A CN201711457851.9A CN201711457851A CN108047929A CN 108047929 A CN108047929 A CN 108047929A CN 201711457851 A CN201711457851 A CN 201711457851A CN 108047929 A CN108047929 A CN 108047929A
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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
- C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
- C09D179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C09D179/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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)
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Abstract
The invention discloses a kind of high hot water resistance coating, are mixed by plurality of raw materials；The raw material includes：By weight：100 parts of polyesterimide resin, 10 80 parts of polyurethane modified acrylic resin, 0.1 1 parts of accelerating agent, 0.1 3 parts of crosslinking agent, 15 parts of curing agent, 0.1 3 parts of antifoaming agent, 0.1 3 parts of levelling agent, 18 parts of coalescents, 0.1 3 parts of wetting agent, 0.1 3 parts of dispersant, 0.1 3 parts of thickener, 0.1 1 parts of initiator, 8 15 parts of pigment, 200 parts of deionized water, 10 50 parts of cosolvent；The present invention also provides the preparation methods for being used to prepare above-mentioned fire resistant water-based coating.High hot water resistance coating provided by the invention, with good heat resistance, and with good heat insulation, it is adapted to the environment of higher temperature, the coating improves hardness under the conditions of minimal amount curing agent is added in, and there are good heat-resisting quantity and weatherability, so as to not only reduce the hidden danger of environmental pollution, but also production cost can be reduced.
Description
Technical field
The invention belongs to chemical field, more particularly to a kind of high hot water resistance coating, and preparation method thereof.
Background technology
Coating, in its entitled paint of tradition of China.So-called coating is to be coated in the body surface protected or decorated,
And the continuous film of firm attachment can be formed with coated article, typically based on resin or oil or lotion, add or do not add
Pigment, filler add corresponding additive, the thick liquid being formulated with organic solvent or water.Chinese coating circle is more authoritative
《Coating process》What one book was defined as：" coating is a kind of material, and this material can be coated in different construction technologies
Object surface is formed and adhered to securely, with some strength, continuous solid film.The film common name film so formed, is also known as painted
Film or coating." coating includes oily (property) coating, water paint, powdery paints.
Indoor coating is broadly divided into two kinds of water paint and solvent reducible coatings.The mainly solvent borne for generating pollution applies
Material, and the worry polluted to coating can be altogether dispensed with using the water paint of environmental protection.China Association of Coatings Industry expert recognizes
For any solvent reducible coatings can all contain 50% or more organic solvent.Most of wall finiss in the market all employs water
Property emulsion paint, but for furniture woodcare paint still largely using solvent borne paint, for the TV of plastics, computer, air-conditioning, refrigerator,
The plastic paints such as water dispenser, motorcycle, electric car still largely use solvent paint.
Water paint also known as water paint are exactly a kind of coating using water as diluent as its name suggests.During it is formed
70%-90% is to human body and environmentally friendly water, and it is harmful that organic solvent and formaldehyde, lead, chromium etc. need not be added in manufacturing process
Substance.The film forming of water paint is finally crosslinked as the volatilization polymeric particles of moisture squeeze mutually, therefore water paint VOC
Discharge capacity is extremely low, only accounts for the 0%~10% of oil paint.So water paint is a kind of safety and free of contamination environment-friendly type coating,
The damage polluted to natural environment and to health can be reduced to greatest extent.
Exactly because water paint is using water as diluent so being a kind of low chemicals of danger, nonflammable, be not easy
It is quick-fried to damage in process of production with during construction to employee, facilitate production, transport and storage.Water paint particle
Crosslinked physical film deposition mode also makes water paint paint film that there is good gas permeability and extension to go, and paint film is difficult cracking and comes off.
It is even more to protrude especially for use in oil paint weatherability is compared on outdoor woodwork.Also have in the aspect of performance water paint of paint film resistance to
Xanthochromia, naturally good hand touch, moist paint film feature.
Water paint is divided into according to its thin film-forming method：Single-component water-based paint and double-component aqueous paint.
Single-component water-based paint is exactly water paint product most widely used on the market, is also had by the different performance of its raw material
Very big difference.It is single-component water-based paint bring be diluted with water after can use, anything need not be added again.Its property
There can be certain gap on paint film richness, hardness, resistance to marring compared to common PU oil paints.
Double-component aqueous paint is the water paint product that agent assistance forms a film that needs reinforcement.Most people thinks water paint hardness
Not enough, that is because PU paints are that two-component paint has wherein added curing agent, and double-component aqueous paint can be painted with PU and compared favourably.
But since double-component aqueous paint has added curing agent so there is certain influence on the feature of environmental protection, cost also accordingly increases.
For example, disclosed in Chinese patent application 2013104638341 a kind of environment-friendly water-based OP protective coatings composition and
It is prepared, purposes, containing the higher curing agent of content in component, improves the hardness and resistance to marring of the coating, but by
It is higher in its curing agent content, therefore certain influence can be generated to environment, and also corresponding cost can also improve；And the present invention
The poor heat resistance of the Environmental Protective Water-paint of preparation, is not suitable for hot environment.
In view of most of water paint heat resistance and weatherability are poor in the market, so those skilled in the art produce
Heat-resist water paint is gone out.
For example, disclosing a kind of mould proof hot water resistance coating in Chinese patent application 2017105218228, contain in component
There is the extract of the leaf of bamboo, ginkgo leaf and granatum, raw material sources are wide, but its extract extraction process is complicated, and time-consuming, therefore
Certain influence can be generated to environmental protection, and corresponding cost can also improve, and product stable phase is poor, and long-term place can go bad
So that it cannot normal use, can cause to waste.
Therefore, in order to solve the above-mentioned technical problem, it is necessary to develop that a kind of curing agent content is few, at low cost, the feature of environmental protection is high,
Richness is good, hardness is high, resistance to marring is strong, high-fire resistance simultaneously, and stability is high, and placement for a long time is never degenerated not stratified, and
And the simple water paint of preparation method, the needs of can meeting in terms of industrial production.
The content of the invention
The present invention provides a kind of curing agent content is few, production cost is low, but hardness is high, and resistance to marring is strong, and has very well
The water paint of heat resistance.
A kind of high hot water resistance coating, is counted, in parts by weight including following component：
Preferably, above-mentioned high hot water resistance coating, is counted, in parts by weight including following component：
It is further preferred that above-mentioned high hot water resistance coating, is counted, in parts by weight including following component：
In high hot water resistance coating provided by the invention, the cosolvent is nontoxic volatile alcohols material, optional
From one or more of methanol, ethyl alcohol, propylene glycol and glycerine.
In high hot water resistance coating provided by the invention, the polyurethane modified acrylic resin is with structural formula
(I) random copolymer of structure
Wherein, R is the C1-C5 alkyl of H substitutions or unsubstituted C1-C5 alkyl, wherein 1≤x ＜ 12,1≤y ＜ 12, x+y
≤12。
In high hot water resistance coating provided by the invention, the levelling agent may be selected from acrylate copolymer, poly- diformazan
One or more of radical siloxane, polyether polyester azo polyether polyeste and alkyl-modified organosiloxane.
In high hot water resistance coating provided by the invention, the curing agent may be selected from trimethylhexamethylenediamine, two
One or more of hexyl triamine, trimethylhexane diamine and polyethylene polyamine.
In high hot water resistance coating provided by the invention, the coalescents may be selected from propandiol butyl ether, propylene glycol first
One or more of ether acetate, dipropylene and dipropylene glycol methyl ether；
Preferably, above-mentioned coalescents may be selected from the mixture of dipropylene and dipropylene glycol methyl ether, mass ratio
For dipropylene：Dipropylene glycol methyl ether=1: 1.
In high hot water resistance coating provided by the invention, the crosslinking agent may be selected from divinylbenzene, diisocyanate,
Ethylene glycol dimethacrylate, N, N- methylene-bisacrylamides, dibenzoyl peroxide, diethylenetriamines (DTA), 2-
- 4 methylimidazole of ethyl, 2- phenylimidazoles, hexahydrophthalic anhydride, trien, dimethylamine propylamine and diethylamine
One or more of base propylamine；
Preferably, above-mentioned crosslinking agent agent may be selected from diethylenetriamines (DTA), -4 methylimidazole of 2- ethyls, triethylene
One or more of tetramine, dimethylamine propylamine and diethyl amino propylamine.
In high hot water resistance coating provided by the invention, the antifoaming agent may be selected from the fatty acid ester compounded object of higher alcohols,
One or more of polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether and polyoxyethylene polyoxypropylene glycerin ether.
In high hot water resistance coating provided by the invention, the wetting agent may be selected from polyoxyethylene dioleate, tetrem
Glycol monostearate, tetraethylene glycol monoleate, polyoxypropylene mannitol dioleate, polyoxypropylene stearate, dehydration
One or more of sorbitan laurate, polyoxyethylene fatty acid and polyoxyethylene oxypropylene oleate；
Preferably, above-mentioned wetting agent may be selected from anhydrous sorbitol laurate, polyoxyethylene fatty acid, polyoxypropylene sweet dew
One or more of alcohol dioleate, polyoxypropylene stearate and polyoxyethylene oxypropylene oleate；
In high hot water resistance coating provided by the invention, the dispersant may be selected from enuatrol, carboxylate, sulfuric ester
Salt, sulfonate, alkyl quaternary ammonium salts, amino propylamine dioleate, quaternary amine, the addition product of fatty acid ethylene oxide, polyethylene glycol
Type polyalcohol, polyethylenimine derivates, oily amino oleic acid ester, it is mostly interior with polyalcohol-more aziridines block copolymer and
One or more of reactant of more caprolactones and triethylene tetramine；
Preferably, above-mentioned dispersant may be selected from alkyl quaternary ammonium salts, amino propylamine dioleate, quaternary amine, aliphatic acid epoxy
The addition product of ethane, polyethylene glycol type polyalcohol, mostly interior match somebody with somebody polyalcohol-more aziridines block at polyethylenimine derivates
One or more of copolymer and the reactant of more caprolactones and triethylene tetramine；
It is further preferred that above-mentioned dispersant may be selected from the addition product of fatty acid ethylene oxide, polyethylene glycol type polyalcohol,
It is polyethylenimine derivates, mostly interior with polyalcohol-more aziridines block copolymer and more caprolactones and triethylene tetramine
One or more of reactant；
In high hot water resistance coating provided by the invention, the thickener may be selected from diatomite, molecular sieve, polyacrylamide
Amine, polyvinyl alcohol, polyvinylpyrrolidone, polyethylene glycol oxide, carbomer, polyacrylic acid, attapulgite soil, polyacrylic acid
Sodium, Silica hydrogel, Polyacrylate Emulsion, butadiene rubber, butadiene-styrene rubber, polyurethane, modified polyurea, low molecular polyethylene
One or more of wax, sodium alginate, casein, guar gum and chitosan；
Preferably, the thickener may be selected from diatomite, polyvinylpyrrolidone, polyethylene glycol oxide, polyacrylamide,
One or more of Sodium Polyacrylate, butadiene rubber, butadiene-styrene rubber, polyurethane and sodium alginate.
In high hot water resistance coating provided by the invention, the pigment may be selected from rutile type titanium white, ceramic microsphere,
One kind in lithopone, zinc oxide or mica powder.
The initiator may be selected from azo diisobutyl amidine hydrochloride, two isobutyl imidazoline of azo using Water-borne modification initiator
One or more of hydrochloride, azo dicyano valeric acid and azo dicyclohexyl formonitrile HCN；
In high hot water resistance coating provided by the invention, the accelerating agent may be selected from dimethyl dithiocarbamic acid
One or more of zinc, zinc dibutyl dithiocarbamate and zinc-ethylphenyl dithiocarbamate；
The present invention has found to control the dosage of Water-borne modification photoinitiator and mass ratio in process of production and adds in certain content
Accelerating agent can improve the hardness and resistance to marring of coating, i.e. azo diisobutyl amidine hydrochloride, two isobutyl imidazoline of azo
The mass ratio of hydrochloride, azo dicyano valeric acid and azo dicyclohexyl formonitrile HCN is=1：1: 1: 1, accelerating agent and initiator
Mass ratio is 1: 2, and coating can be made to improve hardness and stability under conditions of minimal amount initiator is added in, and had very well
Heat-resisting quantity and weatherability, so as to not only reducing the hidden danger of environmental pollution, but also production cost can be reduced, make the coating of production
It can paint and compare favourably with PU.
The invention further relates to a kind of preparation methods of above-mentioned high hot water resistance coating, comprise the following steps：
1) the polyesterimide resin, polyurethane modified acrylic resin and the initiator that are formulated dosage are put into instead successively
It answers in kettle, stirring at low speed is uniform；
2) crosslinking agent for being formulated dosage, levelling agent, curing agent, thickener, coalescents and deionized water are uniformly mixed
It is added to afterwards in the state of stirring in reaction kettle, heating stirring；
3) dispersant and wetting agent mixing heating that formula dosage is sequentially added into reaction kettle stir evenly；
4) antifoaming agent and dispersant of formula dosage are added in into reaction kettle again, stirring makes to be uniformly mixed, and keeps the temperature 30min,
Room temperature is cooled to after stirring evenly, viscosity is adjusted to get the high hot water resistance coating with deionized water.
Above-mentioned steps 1) in mixing speed be 400-500r/min, mixing time 20-30min；
Above-mentioned steps 2) in mixing speed be 400-500r/min, be warming up to 50 DEG C stop heating；
Above-mentioned steps 3) in mixing speed be 600-800r/min, be warming up to 60-70 DEG C stop heating；
Above-mentioned steps 4) in mixing speed be 900-1000r/min, mixing time 30-40min, controlled at 60-
70℃。
The present invention has the advantages that with the prior art：
(1) high hot water resistance coating provided by the invention has good heat resistance, using fire resistant resin as master
Material, and pass through and adjust the species and content of other auxiliary agents and greatly improve the heat-resisting quantity of coating, and with good heat-insulated effect
Fruit is adapted to the environment of higher temperature；
(2) initiator that high hot water resistance coating provided by the invention uses is aqueous initiator, by adjusting initiator
Species and content, the coating can be made to improve hardness under the conditions of minimal amount curing agent is added in, and have good resistance to height
Warm nature and weatherability so as to not only reduce the hidden danger of environmental pollution, but also can reduce production cost；
(3) preparation method of high hot water resistance coating provided by the invention is simple, is suitble to produce in enormous quantities, the product of production
Stability is high, can be stored with the long period it is not stratified, never degenerate, waste caused by so as to reduce expired failure.
Specific embodiment
The explanation of following embodiment is only intended to help the method and its core concept for understanding the present invention.It should be pointed out that pair
For those skilled in the art, without departing from the principle of the present invention, the present invention can also be carried out
Several improvement and modification, these improvement and modification are also fallen into the protection domain of the claims in the present invention.To disclosed implementation
The description below of example, enables professional and technical personnel in the field to realize or use the present invention.A variety of modifications to these embodiments
It will be apparent for those skilled in the art, the general principles defined herein can not depart from this
In the case of the spirit or scope of invention, realize in other embodiments.Therefore, the present invention is not intended to be limited to illustrated herein
These embodiments in, but can be applied to meet the broader model consistent with the principles and novel features disclosed herein
It encloses.
Unless otherwise defined, all technical and scientific terms used herein have and the technical field of the invention
The normally understood identical meaning of those of ordinary skill.
A kind of high hot water resistance coating of embodiment 1
Component：It counts in parts by weight
Preparation method：Comprise the following steps：
1) the polyesterimide resin, polyurethane modified acrylic resin and azo diisobutyl amidine salt of dosage will be formulated
Hydrochlorate is put into reaction kettle successively, is stirred 20min with the speed of 400r/min, is stirred evenly；2) the poly- diformazan of dosage will be formulated
Radical siloxane, diethylenetriamines, trimethylhexamethylenediamine, diatomite, propandiol butyl ether and deionized water are uniformly mixed
It is added to afterwards in the state of stirring in reaction kettle, is warming up to 50 DEG C with the speed of 400r/min, stirring；
3) the amino propylamine dioleate of formula dosage and polyoxyethylene dioleate mixing are sequentially added into reaction kettle
60 DEG C are warming up to 600r/min, is stirred evenly；
4) again into reaction kettle add in formula dosage polyoxyethylene polyoxy propyl alcohol amidogen ether and amino propylamine dioleate with
The speed stirring 30min of 900r/min makes to be uniformly mixed, and keeps the temperature 30min under the conditions of 60 DEG C, room temperature is cooled to after stirring evenly, use
Deionized water adjusts viscosity to get the high hot water resistance coating.
A kind of high hot water resistance coating of embodiment 2
Component：It counts in parts by weight
Preparation method：In addition to component is different, other steps and method are same as Example 1.
A kind of high hot water resistance coating of embodiment 3
Component：It counts in parts by weight
Preparation method：In addition to component is different, other steps and method are same as Example 1.
A kind of high hot water resistance coating of embodiment 4
Component：It counts in parts by weight
Preparation method：In addition to component is different, other steps and method are same as Example 1.
A kind of high hot water resistance coating of embodiment 5
Component：It counts in parts by weight
Preparation method：In addition to component is different, other steps and method are same as Example 1.
A kind of high hot water resistance coating of embodiment 6
Component：It counts in parts by weight
Preparation method：In addition to component is different, other steps and method are same as Example 1.
A kind of high hot water resistance coating of embodiment 7
Component：It counts in parts by weight
Preparation method：In addition to component is different, other steps and method are same as Example 1.
A kind of high hot water resistance coating of embodiment 8
Component：It counts in parts by weight
Preparation method：In addition to component is different, other steps and method are same as Example 1.
A kind of high hot water resistance coating of embodiment 9
Component：It counts in parts by weight
Preparation method：In addition to component is different, other steps and method are same as Example 1.
A kind of 1 water paint of comparative example
Component is substantially with embodiment 9, the mass ratio for being distinguished as dipropylene and dipropylene glycol methyl ether with embodiment 9
For 1: 4.Preparation method is the same as embodiment 9.
A kind of 2 water paint of comparative example
Component is substantially with embodiment 9, the mass ratio for being distinguished as dipropylene and dipropylene glycol methyl ether with embodiment 9
For 4: 1.Preparation method is the same as embodiment 9.
A kind of 3 water paint of comparative example
Component is distinguished as azo diisobutyl amidine hydrochloride, two isobutyl miaow of azo substantially with embodiment 9, with embodiment 9
The additional proportion of oxazoline hydrochloride, azo dicyano valeric acid and azo dicyclohexyl formonitrile HCN is 1: 5: 1: 5.Preparation method is the same as real
Apply example 9.
A kind of 4 water paint of comparative example
Component substantially with embodiment 9, with embodiment 9 to be distinguished as no azo diisobutyl amidine hydrochloride, azo two different
Butamisole quinoline hydrochloride, azo dicyano valeric acid and azo dicyclohexyl formonitrile HCN.Preparation method is the same as embodiment 9.
A kind of 5 water paint of comparative example
Component is substantially with embodiment 9, with being distinguished as without zinc dimethyl dithiocarbamate for embodiment 9.Preparation side
Method is the same as embodiment 9.
A kind of 6 water paint of comparative example
Component substantially with embodiment 9, with embodiment 9 to be distinguished as no azo diisobutyl amidine hydrochloride, azo two different
Butamisole quinoline hydrochloride, azo dicyano valeric acid, azo dicyclohexyl formonitrile HCN and zinc dimethyl dithiocarbamate.It prepares
Method is the same as embodiment 9.
Performance test
The physical property and test method of 1 coating of table
The performance test results of 2 each coating of embodiment 1-5 of table
The performance test results of 3 each coating of embodiment 6-9 of table
The performance test results of 4 each coating of comparative example 1-6 of table
Raw material provided by the invention (embodiment 9) is used it can be seen from above table data, controls the species of initiator
Heat resistance height is obtained with quality, the coating that may be such that has good hardness, weatherability, antiacid alkali ability, and this is applied
Material impregnated in boiling water 2 it is small when after normal temperature shelf 24 it is small when film not loss of gloss, bubble, is not peeled off, and has good resistance to steam
Property.By comparative example (1,2) experimental data can draw adjust coalescents species and mass ratio can make coating hardness,
Impact resistance reduces, and drying time increases, and the quality for adjusting initiator in raw material can be drawn by 3 experimental data of comparative example
Than make its not in the preferred range can so that arrive coating weatherability, resistance to vapor permeability, impact resistance, solvent resistance and
Resistance to acid and alkali etc. is greatly lowered, and stripping foaming phenomena occurs；Respectively without adding in initiator and rush in comparative example 4,5 ingredients
Affect the performances such as adhesive force, solvent resistance, stain resistance, the resistance to acid and alkali of coating to a certain extent into agent；Comparative example into
Initiator and accelerating agent provided by the invention are not added in points 6 and is surprised to find that it has seriously affected the weatherability of coating, resistance to
Hot, moisture-proof and resistance to vapor permeability, so the ingredient of water paint provided by the invention, and its ratio is controlled to can be very good to carry
The performance of high water paint makes it be more suitable for various environment, reduces environmental pollution caused by paint waste.
Coating obtained is placed 2 years, whether detection coating has layering, if has lump, is divided into 3 grades, no layering
For 0 grade, 1 grade is slightly layered as, severe delamination is 2 grades
Coating prepared by the present invention is after container state was transferred to 2 years, without lamination, and it is hard without occurring
Block in uniform state (embodiment 1-9) after stirring, and changes preferred scope (comparative example 1-3) disclosed by the invention, and coating is put
2 average annual different degrees of appearance layerings, caking state are put, but normal use is remained to after stirring；Do not add in comparative example 4 and trigger
Agent, in comparative example 5 not plus accelerating agent, not only no initiator but also without accelerating agent in comparative example 6 is made according to the formula of comparative example 4-6
After container state was transferred to 2 years, coating seriously lumps coating, after stirring can not normal use it is same, cause largely to waste, pollute
Environment.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of high hot water resistance coating, it is characterised in that：It counts in parts by weight, including following component：
2. high hot water resistance coating according to claim 1, it is characterised in that：The levelling agent is acrylic ester copolymer
One or more of object, dimethyl silicone polymer, polyether polyester azo polyether polyeste and alkyl-modified organosiloxane.
3. high hot water resistance coating according to claim 1, it is characterised in that：The curing agent is six methylene of trimethyl
One or more of base diamines, dihexyl triamine, trimethylhexane diamine and polyethylene polyamine.
4. high hot water resistance coating according to claim 1, it is characterised in that：The coalescents are propylene glycol fourth
One or more of ether, propylene glycol methyl ether acetate, dipropylene and dipropylene glycol methyl ether.
Preferably, above-mentioned coalescents are dipropylene and the mixture of dipropylene glycol methyl ether, and mass ratio is dipropyl two
Alcohol butyl ether: dipropylene glycol methyl ether=1: 1.
5. high hot water resistance coating according to claim 1, it is characterised in that：The crosslinking agent for divinylbenzene,
Diisocyanate, ethylene glycol dimethacrylate, N, N- methylene-bisacrylamides, dibenzoyl peroxide, diethylidene
Triamine (DTA), -4 methylimidazole of 2- ethyls, 2- phenylimidazoles, hexahydrophthalic anhydride, trien, dimethylamino
One or more of propylamine and diethyl amino propylamine.
6. high hot water resistance coating according to claim 1, it is characterised in that：The antifoaming agent is high-carbon polyol fatty acid
One kind in ester complexes, polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether and polyoxyethylene polyoxypropylene glycerin ether
It is or several.
7. high hot water resistance coating according to claim 1, it is characterised in that：The wetting agent is two oil of polyoxyethylene
Acid esters, tetraethylene glycol monostearate, tetraethylene glycol monoleate, polyoxypropylene mannitol dioleate, polyoxypropylene are stearic
One or more of acid esters, anhydrous sorbitol laurate, polyoxyethylene fatty acid and polyoxyethylene oxypropylene oleate.
8. high hot water resistance coating according to claim 1, it is characterised in that：The dispersant is enuatrol, carboxylic acid
Salt, sulfuric acid, sulfonate, alkyl quaternary ammonium salts, amino propylamine dioleate, quaternary amine, fatty acid ethylene oxide addition product,
Polyethylene glycol type polyalcohol, polyethylenimine derivates, mostly interior match somebody with somebody polyalcohol-more aziridines block at oily amino oleic acid ester
One or more of copolymer and the reactant of more caprolactones and triethylene tetramine.
9. high hot water resistance coating according to claim 1, it is characterised in that：Initiator uses Water-borne modification initiator to be even
Nitrogen diisobutyl amidine hydrochloride, two isobutyl imidazoline hydrochloride of azo, azo dicyano valeric acid and azo dicyclohexyl formonitrile HCN
One or more of；Its ratio be azo diisobutyl amidine hydrochloride, two isobutyl imidazoline hydrochloride of azo, azo dicyanos
Valeric acid and the mass ratio of azo dicyclohexyl formonitrile HCN are=1: 1: 1: 1.
10. high hot water resistance coating according to claim 1, it is characterised in that：The accelerating agent and initiator quality
Than for 1: 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN110484136A (en) * | 2019-08-26 | 2019-11-22 | 湖南辰砾新材料有限公司 | A kind of waterborne organic silicon coating and preparation method thereof |
| CN113186738A (en) * | 2021-04-19 | 2021-07-30 | 海宁市格林纺织助剂有限公司 | Textile dyeing auxiliary agent with strong dispersibility and material melting device |
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| CN113186738A (en) * | 2021-04-19 | 2021-07-30 | 海宁市格林纺织助剂有限公司 | Textile dyeing auxiliary agent with strong dispersibility and material melting device |
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Application publication date: 20180518 |