CN105778742B - A kind of low temperature curing type acroleic acid polyurethane coating and manufacturing method - Google Patents
A kind of low temperature curing type acroleic acid polyurethane coating and manufacturing method Download PDFInfo
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- CN105778742B CN105778742B CN201410799487.4A CN201410799487A CN105778742B CN 105778742 B CN105778742 B CN 105778742B CN 201410799487 A CN201410799487 A CN 201410799487A CN 105778742 B CN105778742 B CN 105778742B
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Abstract
The invention discloses a kind of low temperature curing type acroleic acid polyurethane coating and manufacturing methods, belong to anticorrosive coating technical field.The acroleic acid polyurethane coating includes the following components of special ratios：Component A：Silicone-modified Hydroxylated acrylic resin, aliphatic Polyaspartic Polyurea, dimethylbenzene, butyl acetate, toluene, blanc fixe, feldspar, the membrane wrapping modified titanium dioxide of zirconium, phthalocyanine blue, organic silicon modified polyurethane, the polyether-modified poly- methyl alkyl siloxane of 325 types of BYK, fluorine richness polyacrylate, two (2,2,6,6 tetramethyl, 1 octyloxy, 4 piperidyl) sebacic acid ester butyl acetate, xylene solution, zinc Isoocatanoate and polyamide wax；B component：Hexamethylene diisocyanate tripolymer and toluene.The acroleic acid polyurethane coating has good low temperature curing properties, and coating does solid work the time only for 24 hours under 15 DEG C of low temperature environments, is suitable for the anticorrosion engineerings such as ship, storage tank, refinery, bridge, harbour under 15 DEG C of low temperature environments, meets winter construction needs.
Description
Technical field
The present invention relates to a kind of low temperature curing type acroleic acid polyurethane coating and manufacturing methods, belong to anticorrosive coating technology
Field.
Background technology
Acroleic acid polyurethane coating is corroded with its excellent weatherability, dicoration, physical mechanical property, resistant to chemical media
Property, relatively low price need decorative heavy anticorrosive field to obtain extensively in ship, storage tank, refinery, bridge, harbour etc.
Using.Acroleic acid polyurethane coating is with acrylic resin react by isocyanates forming solid-state polymer film forming matter.But
It is that, when environment temperature is less than 0 DEG C, acrylic resin is difficult to happen chemical reaction with isocyanates, and coating is caused to be difficult to cure.
And in the northern area of China, time of the winter environment temperature less than -15 DEG C is up to 2~3 months.
In the implementation of the present invention, the inventors discovered that having at least the following problems in the prior art：Existing third
Olefin(e) acid polyurethane coating can not cure at -15 DEG C, cannot meet actual needs.
Invention content
Technical problem to be solved by the present invention lies in provide a kind of low temperature curing type acroleic acid polyurethane coating and manufacture
Method.Specifically, including following technical scheme：
The first aspect of the present invention provides a kind of low temperature curing type acroleic acid polyurethane coating, the acroleic acid polyurethane coating
Include the component of following weight ratio：
Component A：
1 part of silicone-modified Hydroxylated acrylic resin,
0.4~0.8 part of F524 type aliphatic Polyaspartic Polyurea,
0.2~0.5 part of dimethylbenzene, 0.1~0.3 part of butyl acetate, 0.1~0.2 part of toluene,
0.2~0.5 part of blanc fixe, 0.2~0.6 part of feldspar, 0.1~0.8 part of membrane wrapping modified titanium dioxide of zirconium,
0.2~0.6 part of phthalocyanine blue, 0.05~0.15 part of organic silicon modified polyurethane,
The polyether-modified poly- methyl alkyl siloxane of 0.002~0.06 part of BYK-325 type,
0.06~0.15 part of fluorine richness polyacrylate,
The butyl acetate of 0.02~0.4 part of two (2,2,6,6- tetramethyl -1- octyloxy -4- piperidyls) sebacic acid ester, two
Toluene solution,
0.02~0.1 part of zinc Isoocatanoate, 0.03~0.15 part of polyamide wax；
B component：
1 part of hexamethylene diisocyanate tripolymer, 0.1~0.2 part of toluene.
Preferably, the model FS-4365A of the silicone-modified Hydroxylated acrylic resin.
Preferably,
Each component weight ratio is in the acroleic acid polyurethane coating component A：
1 part of silicone-modified Hydroxylated acrylic resin,
0.65 part of F524 type aliphatic Polyaspartic Polyurea,
0.4 part of dimethylbenzene, 0.25 part of butyl acetate, 0.15 part of toluene,
0.2 part of blanc fixe, 0.25 part of feldspar, 0.5 part of membrane wrapping modified titanium dioxide of zirconium,
0.35 part of phthalocyanine blue, 0.09 part of organic silicon modified polyurethane,
The polyether-modified poly- methyl alkyl siloxane of 0.015 part of BYK-325 type,
0.08 part of fluorine richness polyacrylate,
The butyl acetate, dimethylbenzene of 0.15 part of two (2,2,6,6- tetramethyl -1- octyloxy -4- piperidyls) sebacic acid ester are molten
Liquid,
0.055 part of zinc Isoocatanoate, 0.06 part of polyamide wax；
Each component weight ratio is in the B component：
1 part of hexamethylene diisocyanate tripolymer, 0.13 part of toluene.
Preferably, the weight ratio of component A and B component is in the acroleic acid polyurethane coating：1:0.2~0.4.
Preferably, the weight ratio of component A and B component is in the acroleic acid polyurethane coating：1:0.25.
The second aspect of the present invention provides a kind of low temperature curing type acroleic acid polyurethane coating of first aspect present invention
Manufacturing method, the manufacturing method include the following steps：
Silicone-modified Hydroxylated acrylic resin, dimethylbenzene are mixed and are uniformly dispersed, is added in whipping process by step (1)
After polyamide wax, blanc fixe, feldspar and the membrane wrapping modified titanium dioxide of zirconium, is stirred under the rotating speed of 1100-1300r/min, wait expecting
Liquid temperature keeps the temperature to stir 30min when reaching 45~55 DEG C；
Step (2) continues stirring and F524 type aliphatic Polyaspartic Polyurea, phthalocyanine blue, butyl acetate, first is added
The polyether-modified poly- methyl alkyl siloxane of benzene, organic silicon modified polyurethane, BYK-325 types, fluorine richness polyacrylate, two (2,
2,6,6- tetramethyl -1- octyloxy -4- piperidyls) after the butyl acetate of sebacic acid ester, xylene solution and zinc Isoocatanoate,
0.5h is stirred under the rotating speed of 1100-1300r/min, then grinds 0.5~1h with sand mill, is obtained the acroleic acid polyurethane and is applied
The component A of material；
Step (3) obtains the acrylic acid after hexamethylene diisocyanate tripolymer and toluene mixing are uniformly dispersed and gathers
The B component of urethane coating；
The component A and B component are obtained the acroleic acid polyurethane coating by step (4) after mixing.
Preferably,
The weight ratio of each component is in step (1) and step (2)：
1 part of silicone-modified Hydroxylated acrylic resin, 0.2~0.5 part of dimethylbenzene, 0.03~0.15 part of polyamide wax, 0.2
~0.5 part of blanc fixe, 0.2~0.6 part of feldspar, 0.1~0.8 part of membrane wrapping modified titanium dioxide of zirconium, 0.4~0.8 part of F524 type fat
Fat race Polyaspartic Polyurea, 0.2~0.6 part of phthalocyanine blue, 0.1~0.3 part of butyl acetate, 0.1~0.2 part of toluene,
0.05~0.15 part of organic silicon modified polyurethane, the polyether-modified poly- methyl alkyl siloxane of 0.002~0.06 part of BYK-325 type,
0.06~0.15 part of fluorine richness polyacrylate, 0.02~0.4 part two (2,2,6,6- tetramethyl -1- octyloxy -4- piperidyls)
Butyl acetate, the xylene solution of sebacic acid ester, 0.02~0.1 part of zinc Isoocatanoate；
The weight ratio of each component is in step (3)：
1 part of hexamethylene diisocyanate tripolymer, 0.1~0.2 part of toluene.
Preferably,
The weight ratio of each component is in step (1) and step (2)：
1 part of silicone-modified Hydroxylated acrylic resin, 0.4 part of dimethylbenzene, 0.06 part of polyamide wax, 0.2 part of blanc fixe,
0.25 part of feldspar, 0.5 part of membrane wrapping modified titanium dioxide of zirconium, 0.65 part of F524 type aliphatic Polyaspartic Polyurea, 0.35 part
Phthalocyanine blue, 0.25 part of butyl acetate, 0.15 part of toluene, 0.09 part of organic silicon modified polyurethane, 0.015 part of BYK-325 type polyethers
Modified poly- methyl alkyl siloxane, 0.08 part of fluorine richness polyacrylate, 0.15 part of two (2,2,6,6- tetramethyl -1- octyloxy -
4- piperidyls) sebacic acid ester butyl acetate, xylene solution, 0.055 part of zinc Isoocatanoate；
The weight ratio of each component is in step (3)：
1 part of hexamethylene diisocyanate tripolymer, 0.13 part of toluene.
Preferably, the weight ratio of component A and B component described in step (4) is：1:0.2~0.4.
Preferably, the weight ratio of component A and B component described in step (4) is：1:0.25.
The acroleic acid polyurethane coating of the present invention is suitable for ship, storage tank, refinery, bridge, harbour under -15 DEG C of low temperature environments
Equal anticorrosion engineerings, meet winter construction needs.
The advantageous effect of technical solution provided by the invention is：
(1) the F524 type aliphatic Polyaspartic Polyureas in acroleic acid polyurethane coating of the invention have special
Low-temp reaction group, can be copolymerized at low temperature with isocyano；Zinc Isoocatanoate is that a kind of low temperature free radical draws
Agent is sent out, reacting for hydroxyl in silicone-modified Hydroxylated acrylic resin and isocyano can be caused at low temperature, reduced
Chemical energy needed for hydroxyl and isocyano reaction, increases film-forming resin low temperature environment reactivity.Two above component is assisted
Same-action effectively improves the reaction rate of component A and B component in acroleic acid polyurethane coating, and it is quick to improve paint coatings low temperature
Curing performance.Reaction can be quickly cured under -15 DEG C of low temperature environments compared with existing acroleic acid polyurethane coating to be formed
Rigid film, coating do solid work the time only for 24 hours.
(2) coating that acroleic acid polyurethane coating of the invention solidification obtains afterwards for 24 hours has excellent comprehensive performance：It is flexible
Property 1mm, impact resistance 50cm, adhesion 1 grade；After solidification 5~7 days, coating adhesion 8.5Mpa, salt spray resistance 2000h coatings are intact,
Ultraviolet resistance aging (UVA) 2000h coatings are intact, and 30 days coatings of 10%H2SO4 soak at room temperature are intact, 10%NaOH soak at room temperature
Coating is intact within 30 days, and 30 days coatings of the soak at room temperature of resistance to artificial sea water are intact.
(3) simple production process of acroleic acid polyurethane coating of the invention is not necessarily to special installation, at low cost.
Specific implementation mode
To keep technical scheme of the present invention and advantage clearer, embodiment of the present invention is made below further detailed
Description.
First aspect present invention provides a kind of low temperature curing type acroleic acid polyurethane coating, the acroleic acid polyurethane coating packet
Include the component of following weight ratio：
Component A：
1 part of silicone-modified Hydroxylated acrylic resin, 0.4~0.8 part of F524 type aliphatic Polyaspartic Polyurea,
0.2~0.5 part of dimethylbenzene, 0.1~0.3 part of butyl acetate, 0.1~0.2 part of toluene,
0.2~0.5 part of blanc fixe, 0.2~0.6 part of feldspar, 0.1~0.8 part of membrane wrapping modified titanium dioxide of zirconium,
0.2~0.6 part of phthalocyanine blue, 0.05~0.15 part of organic silicon modified polyurethane,
The polyether-modified poly- methyl alkyl siloxane of 0.002~0.06 part of BYK-325 type,
0.06~0.15 part of fluorine richness polyacrylate,
The butyl acetate of 0.02~0.4 part of two (2,2,6,6- tetramethyl -1- octyloxy -4- piperidyls) sebacic acid ester, two
Toluene solution,
0.02~0.1 part of zinc Isoocatanoate, 0.03~0.15 part of polyamide wax；
B component：
1 part of hexamethylene diisocyanate tripolymer, 0.1~0.2 part of toluene.
The present invention by improve acroleic acid polyurethane coating component and each component content obtained one kind can-
Cured acroleic acid polyurethane coating in 15 DEG C of environment.
The component A of above-mentioned acroleic acid polyurethane coating is by silicone-modified Hydroxylated acrylic resin and F524 type aliphatic polies
Aspartate polyureas mixed solution plus a small amount of low-temp reaction catalyst, dispersant, antifoaming agent, UV light stabilizing agent,
Levelling agent, thixotropic agent and color stuffing are formulated；B component be made with toluene of hexamethylene diisocyanate tripolymer mix it is molten
Liquid.
Specifically,
Silicone-modified Hydroxylated acrylic resin is substantially free of styrene monomer, improves coating resistance to UV aging
Can, provide the comprehensive performances such as the good physical mechanical property of coating and resistant to chemical media corrosion.
F524 type aliphatic Polyaspartic Polyureas contain special low-temp reaction group, provide under low temperature environment
It is copolymerized ability with isocyano, zinc Isoocatanoate is radical initiator, reduces hydroxyl and isocyano reaction institute
The chemical energy needed, increases film-forming resin low temperature environment reactivity, improves reaction rate, and the two synergistic effect effectively carries
The high low-temperature fast-curing property of coating.
Feldspar, blanc fixe in color stuffing can increase coating mechanical strength and wear-resisting property.
The membrane wrapping modified titanium dioxide of zirconium can effectively reflect ultraviolet light, improve the light aging resisting property of coating.
The surface tension of coating is reduced using fluorine richness polyacrylate, improves coating mobility, enhances the outer of coating
See the decorative bubble that can also slough simultaneously in coating.
Two (2,2,6,6- tetramethyl -1- octyloxy -4- piperidines) sebacic acid esters play stabilization to ultraviolet light, prevent coating
Dusting, loss of gloss improve coating light aging resisting property
The organic silicon modified polyurethane used prevents the polycondensation of coating, loose colour from sending out by " the having control to flocculate " between color stuffing
Flower, enhances the storage stability of coating.
The molecular structure of hexamethylene diisocyanate tripolymer contains active isocyano can be with silicone-modified hydroxyl
The special low-temp reaction group in hydroxyl, F524 type aliphatic Polyaspartic Polyureas in base acrylic resin
Learn reaction, make paint solidification, so as to get coating have good chemical resistance, light aging resisting property and mechanical performance.
In summary the effect of each component, weight ratio of the inventor to each component in the acroleic acid polyurethane coating of the present invention
Example has carried out preferably, specific as follows：
Each component weight ratio is in component A：
Silicone-modified Hydroxylated acrylic resin, 1 part；
F524 type aliphatic Polyaspartic Polyureas, preferably 0.65 part；
Dimethylbenzene, preferably 0.4 part；
Butyl acetate, preferably 0.25 part；
Toluene, preferably 0.15 part；
Blanc fixe, preferably 0.2 part；
Feldspar, preferably 0.25 part；
The membrane wrapping modified titanium dioxide of zirconium, preferably 0.5 part；
Phthalocyanine blue, preferably 0.35 part；
Organic silicon modified polyurethane, preferably 0.09 part；
The polyether-modified poly- methyl alkyl siloxane of BYK-325 types, preferably 0.015 part；
Fluorine richness polyacrylate, preferably 0.08 part；
The butyl acetate, xylene solution of two (2,2,6,6- tetramethyl -1- octyloxy -4- piperidyls) sebacic acid esters, it is excellent
Select 0.15 part；
Zinc Isoocatanoate, preferably 0.055；
Polyamide wax, preferably 0.06；
Each component weight ratio is in B component：
Hexamethylene diisocyanate tripolymer, 1 part,
Toluene, preferably 0.13 part；
Above-mentioned acroleic acid polyurethane coating when in use mixes component A and B component, the weight of component A and B component
Ratio preferably 1:0.2~0.4, more preferable 1:0.25.
The second aspect of the present invention provides a kind of manufacturing method of the acroleic acid polyurethane coating of first aspect present invention, packet
Include following steps：
Silicone-modified Hydroxylated acrylic resin, dimethylbenzene are mixed and are uniformly dispersed, is added in whipping process by step (1)
After polyamide wax, blanc fixe, feldspar and the membrane wrapping modified titanium dioxide of zirconium, is stirred under the rotating speed of 1100-1300r/min, wait expecting
After liquid temperature reaches 45~55 DEG C, 30min is stirred at 45~55 DEG C；
Step (2) continues stirring and F524 type aliphatic Polyaspartic Polyurea, phthalocyanine blue, butyl acetate, first is added
The polyether-modified poly- methyl alkyl siloxane of benzene, organic silicon modified polyurethane, BYK-325 types, fluorine richness polyacrylate, two (2,
2,6,6- tetramethyl -1- octyloxy -4- piperidyls) after the butyl acetate of sebacic acid ester, xylene solution and zinc Isoocatanoate,
0.5h is stirred under the rotating speed of 1100-1300r/min, then grinds 0.5~1h with sand mill, is obtained the acroleic acid polyurethane and is applied
The component A of material；
Step (3) obtains the acrylic acid after hexamethylene diisocyanate tripolymer and toluene mixing are uniformly dispersed and gathers
The B component of urethane coating；
The component A and B component are obtained the acroleic acid polyurethane coating by step (4) after mixing.
Above-mentioned manufacturing approach craft is simple, does not need special installation, at low cost.
In above-mentioned manufacturing method, polyamide wax, blanc fixe, feldspar and the membrane wrapping modified titanium white of zirconium are added in step (1)
30min is stirred at 45~55 DEG C after powder, be to apply high shear force to polyamide wax at 45~55 DEG C, keep its spherical
Strand is launched into straight chain, thus makes coating when in use, has lower viscosity in high-speed stirred, stops vertical when stirring
It is restored to high viscosity, the coating sagging just coated is prevented, improves the workability of coating.
In above-mentioned manufacturing method, in step (1) and step (2) in component A and B component each component content according to this hair
The ratio that bright first aspect limits.
In above-mentioned manufacturing method, in step (3), the ratio of component A and B component is also limited according to first aspect present invention
Ratio, i.e. weight ratio：It is preferred that 1:0.2~0.4, more preferable 1:0.25.
Primary Chemical used is as follows in following example 1~4：
F524 type aliphatic Polyaspartic Polyureas：Zhuhai Feiyang Novel Material Co., Ltd.；
The butyl acetate, xylene solution of two (2,2,6,6- tetramethyl -1- octyloxy -4- piperidyls) sebacic acid esters, even
Yun Gangshengnan Chemical Co., Ltd.s；
Silicone-modified Hydroxylated acrylic resin：FS-4365A (hamming this)；
The membrane wrapping modified titanium dioxide of zirconium：R930 (stone is former)；
Organic silicon modified polyurethane：EFKA3033 (Ciba)；
Phthalocyanine blue：SX0205 (Guangdong into emerging toner Co., Ltd)；
Polyether-modified poly- methyl alkyl siloxane solution：BYK-325 (German BIC Corp)；
Fluorine richness polyacrylate：HSM Flowsuper 2377 (Shanghai Run Dao trade Co., Ltds)；
Zinc Isoocatanoate：YZN-9 (Hebei Fu Ersite Chemical Co., Ltd.s)；
Polyamide wax：MT 6900-20X (Taiyuan Mei Te Xiangs Be Able LLC).
Embodiment 1
The present embodiment provides the low temperature curing type acroleic acid polyurethane coating of present invention a kind of and its manufacturing methods.Specific system
Make that steps are as follows,
Step (1), in the charging basket of stainless steel, by the silicone-modified Hydroxylated acrylic resin of 1 parts by weight, 0.4 parts by weight
Dimethylbenzene mixing is uniformly dispersed, and it is long that 0.06 weight parts of polyamide wax, 0.2 blanc fixe, 0.25 parts by weight are added in whipping process
After stone and the 0.5 membrane wrapping modified titanium dioxide of parts by weight zirconium, stirred under the rotating speed of 1200r/min, after feed temperature reaches 50 DEG C,
30min is stirred at 50 DEG C；
Step (2) continues stirring and 0.65 parts by weight F524 type aliphatic Polyaspartic Polyurea, 0.35 weight is added
Part phthalocyanine blue, 0.25 parts by weight acetic acid butyl ester, 0.15 parts by weight of toluene, 0.09 parts by weight organic silicon modified polyurethane, 0.015 weight
Measure the polyether-modified poly- methyl alkyl siloxane of part BYK-325 types, 0.08 parts by weight fluorine richness polyacrylate, 0.15 part two (2,
2,6,6- tetramethyl -1- octyloxy -4- piperidyls) butyl acetate of sebacic acid ester, xylene solution and 0.055 parts by weight it is different
After zinc octoate, 0.5h is stirred under the rotating speed of 1200r/min, is then ground 0.6h with sand mill, is obtained the poly- ammonia of the acrylic acid
The component A of ester paint；
1 parts by weight hexamethylene diisocyanate tripolymer and 0.13 part of toluene are mixed after being uniformly dispersed and are obtained by step (3)
The B component of the acroleic acid polyurethane coating；
Step (4), the acrylic acid that the 1 parts by weight component A is obtained to the present invention after mixing with 0.25 part of B component gather
Urethane coating.
Embodiment 2
The present embodiment provides the low temperature curing type acroleic acid polyurethane coating of present invention a kind of and its manufacturing methods.Specific system
Make that steps are as follows,
Step (1), in the charging basket of stainless steel, by the silicone-modified Hydroxylated acrylic resin of 1 parts by weight, 0.2 parts by weight
Dimethylbenzene mixing is uniformly dispersed, and 0.03 weight parts of polyamide wax, 0.2 blanc fixe, 0.2 parts by weight feldspar are added in whipping process
And 0.1 after the membrane wrapping modified titanium dioxide of parts by weight zirconium, is stirred under the rotating speed of 1200r/min, after feed temperature reaches 50 DEG C,
30min is stirred at 50 DEG C；
Step (2) continues stirring and 0.4 parts by weight F524 type aliphatic Polyaspartic Polyurea, 0.2 parts by weight is added
Phthalocyanine blue, 0.1 parts by weight acetic acid butyl ester, 0.1 parts by weight of toluene, 0.05 parts by weight organic silicon modified polyurethane, 0.002 parts by weight
The polyether-modified poly- methyl alkyl siloxane of BYK-325 types, 0.06 parts by weight fluorine richness polyacrylate, 0.02 part two (2,2,6,
6- tetramethyl -1- octyloxy -4- piperidyls) sebacic acid ester butyl acetate, xylene solution and 0.02 parts by weight zinc Isoocatanoate
Afterwards, 0.5h is stirred under the rotating speed of 1200r/min, is then ground 0.6h with sand mill, is obtained the acroleic acid polyurethane coating
Component A；
1 parts by weight hexamethylene diisocyanate tripolymer and 0.1 part of toluene are mixed after being uniformly dispersed and are obtained by step (3)
The B component of the acroleic acid polyurethane coating；
Step (4), the acrylic acid that the 1 parts by weight component A is obtained to the present invention after mixing with 0.2 part of B component gather
Urethane coating.
Embodiment 3
The present embodiment provides the low temperature curing type acroleic acid polyurethane coating of present invention a kind of and its manufacturing methods.Specific system
Make that steps are as follows,
Step (1), in the charging basket of stainless steel, by the silicone-modified Hydroxylated acrylic resin of 1 parts by weight, 0.5 parts by weight
Dimethylbenzene mixing is uniformly dispersed, and 0.15 weight parts of polyamide wax, 0.5 blanc fixe, 0.6 parts by weight feldspar are added in whipping process
And 0.8 after the membrane wrapping modified titanium dioxide of parts by weight zirconium, is stirred under the rotating speed of 1200r/min, after feed temperature reaches 50 DEG C,
30min is stirred at 50 DEG C；
Step (2) continues stirring and 0.8 parts by weight F524 type aliphatic Polyaspartic Polyurea, 0.6 parts by weight is added
Phthalocyanine blue, 0.3 parts by weight acetic acid butyl ester, 0.2 parts by weight of toluene, 0.15 parts by weight organic silicon modified polyurethane, 0.06 parts by weight
The polyether-modified poly- methyl alkyl siloxane of BYK-325 types, 0.15 parts by weight fluorine richness polyacrylate, 0.4 part of two (2,2,6,6-
Tetramethyl -1- octyloxy -4- piperidyls) after the butyl acetate of sebacic acid ester, xylene solution and 0.1 parts by weight zinc Isoocatanoate,
0.5h is stirred under the rotating speed of 1200r/min, is then ground 0.8h with sand mill, is obtained the A of the acroleic acid polyurethane coating
Component；
1 parts by weight hexamethylene diisocyanate tripolymer and 0.1 part of toluene are mixed after being uniformly dispersed and are obtained by step (3)
The B component of the acroleic acid polyurethane coating；
Step (4), the acrylic acid that the 1 parts by weight component A is obtained to the present invention after mixing with 0.4 part of B component gather
Urethane coating.
Embodiment 4
The present embodiment provides the low temperature curing type acroleic acid polyurethane coating of present invention a kind of and its manufacturing methods.Specific system
Make that steps are as follows,
Step (1), in the charging basket of stainless steel, by the silicone-modified Hydroxylated acrylic resin of 1 parts by weight, 0.45 parts by weight
Dimethylbenzene mixing is uniformly dispersed, and 0.065 weight parts of polyamide wax, 0.25 blanc fixe, 0.25 parts by weight are added in whipping process
After feldspar and the 0.5 membrane wrapping modified titanium dioxide of parts by weight zirconium, is stirred under the rotating speed of 1200r/min, wait for that feed temperature reaches 55 DEG C
Afterwards, 30min is stirred at 55 DEG C；
Step (2) continues stirring and 0.65 parts by weight F524 type aliphatic Polyaspartic Polyurea, 0.23 weight is added
Part phthalocyanine blue, 0.25 parts by weight acetic acid butyl ester, 0.15 parts by weight of toluene, 0.09 parts by weight organic silicon modified polyurethane, 0.015 weight
Measure the polyether-modified poly- methyl alkyl siloxane of part BYK-325 types, 0.08 parts by weight fluorine richness polyacrylate, 0.15 part two (2,
2,6,6- tetramethyl -1- octyloxy -4- piperidyls) butyl acetate of sebacic acid ester, xylene solution and 0.065 parts by weight it is different
After zinc octoate, 0.5h is stirred under the rotating speed of 1200r/min, is then ground 0.8h with sand mill, is obtained the poly- ammonia of the acrylic acid
The component A of ester paint；
1 parts by weight hexamethylene diisocyanate tripolymer and 0.15 part of toluene are mixed after being uniformly dispersed and are obtained by step (3)
The B component of the acroleic acid polyurethane coating；
Step (4), the acrylic acid that the 1 parts by weight component A is obtained to the present invention after mixing with 0.3 part of B component gather
Urethane coating.
The acroleic acid polyurethane coating coating performance of 1~4 gained of above-described embodiment is tested according to following standard：Its
Middle low temperature curing properties：GB/T1728, flexibility：SY/T0315 annex, impact resistance：GB/T1732, adhesive force：GB/
T5210, salt spray resistance：It is GB/T1771, acidproof and alkaline-resisting：GB/T9274, it is as a result as follows：
Low temperature curing properties, are done solid work for 24 hours by -15 DEG C；
Flexibility：1mm, 1.5 ° of bendings, flawless；
Impact resistance：50cm, flawless；
Adhesive force：After solidification 5~7 days, coating adhesion 8.5Mpa；
Salt spray resistance：2000h coatings are intact；
Ultraviolet resistance aging (UVA)：2000h coatings are intact；
Resistance to 10%H2SO4：Soak at room temperature, 30 days, coating was intact；
Resistance to 10%NaOH：Soak at room temperature, 30 days, coating was intact；
Resistance to artificial sea water impregnates：Soak at room temperature, 30 days, coating was intact.
The acroleic acid polyurethane coating that can be seen that the present invention from the above test result has good curability at low temperatures
Can, it can quickly be cured reaction under -15 DEG C of low temperature environments and form rigid film, coating does solid work the time only for 24 hours；In addition,
The acroleic acid polyurethane coating of the present invention also has an excellent flexibility, adhesive force, impact resistance, salt spray resistance, acidproof, alkaline-resisting, resistance to
Ultraviolet light and aging performance.The anticorrosion engineerings such as ship, storage tank, refinery, bridge, harbour under -15 DEG C of low temperature environments can be met
Winter construction needs.
The above is merely for convenience of it will be understood by those skilled in the art that technical scheme of the present invention, not limiting
The present invention.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection domain of invention.
Claims (6)
1. a kind of low temperature curing type acroleic acid polyurethane coating, which is characterized in that the acroleic acid polyurethane coating includes following
The component of weight ratio：
Component A：
1 part of silicone-modified Hydroxylated acrylic resin of FS-4365A types,
0.4~0.8 part of F524 type aliphatic Polyaspartic Polyurea,
0.2~0.5 part of dimethylbenzene, 0.1~0.3 part of butyl acetate, 0.1~0.2 part of toluene,
0.2~0.5 part of blanc fixe, 0.2~0.6 part of feldspar, 0.1~0.8 part of membrane wrapping modified titanium dioxide of zirconium,
0.2~0.6 part of phthalocyanine blue, 0.05~0.15 part of organic silicon modified polyurethane,
The polyether-modified poly- methyl alkyl siloxane of 0.002~0.06 part of BYK-325 type,
0.06~0.15 part of fluorine richness polyacrylate,
The butyl acetate, dimethylbenzene of 0.02~0.4 part of two (2,2,6,6- tetramethyl -1- octyloxy -4- piperidyls) sebacic acid ester
Solution,
0.02~0.1 part of zinc Isoocatanoate, 0.03~0.15 part of polyamide wax；
B component：
1 part of hexamethylene diisocyanate tripolymer, 0.1~0.2 part of toluene；
The weight ratio of component A and B component is in the acroleic acid polyurethane coating：1:(0.2~0.4).
2. acroleic acid polyurethane coating according to claim 1, which is characterized in that
Each component weight ratio is in the acroleic acid polyurethane coating component A：
1 part of silicone-modified Hydroxylated acrylic resin,
0.65 part of F524 type aliphatic Polyaspartic Polyurea,
0.4 part of dimethylbenzene, 0.25 part of butyl acetate, 0.15 part of toluene,
0.2 part of blanc fixe, 0.25 part of feldspar, 0.5 part of membrane wrapping modified titanium dioxide of zirconium,
0.35 part of phthalocyanine blue, 0.09 part of organic silicon modified polyurethane,
The polyether-modified poly- methyl alkyl siloxane of 0.015 part of BYK-325 type,
0.08 part of fluorine richness polyacrylate,
The butyl acetate, xylene solution of 0.15 part of two (2,2,6,6- tetramethyl -1- octyloxy -4- piperidyls) sebacic acid ester,
0.055 part of zinc Isoocatanoate, 0.06 part of polyamide wax；
Each component weight ratio is in the B component：
1 part of hexamethylene diisocyanate tripolymer, 0.13 part of toluene.
3. acroleic acid polyurethane coating according to claim 1, which is characterized in that A in the acroleic acid polyurethane coating
The weight ratio of component and B component is：1:0.25.
4. a kind of manufacturing method of low temperature curing type acroleic acid polyurethane coating described in claim 1, which is characterized in that described
Manufacturing method includes the following steps：
The silicone-modified Hydroxylated acrylic resin of FS-4365A types, dimethylbenzene are mixed and are uniformly dispersed by step (1), whipping process
After middle addition polyamide wax, blanc fixe, feldspar and the membrane wrapping modified titanium dioxide of zirconium, stirred under the rotating speed of 1100-1300r/min
It mixes, the temperature is kept to stir 30min when feed temperature reaches 45~55 DEG C；
Step (2), continue stirring be added F524 type aliphatic Polyaspartic Polyurea, phthalocyanine blue, butyl acetate, toluene,
The polyether-modified poly- methyl alkyl siloxane of organic silicon modified polyurethane, BYK-325 types, fluorine richness polyacrylate, two (2,2,6,
6- tetramethyl -1- octyloxy -4- piperidyls) after the butyl acetate of sebacic acid ester, xylene solution and zinc Isoocatanoate, in 1100-
0.5h is stirred under the rotating speed of 1300r/min, is then ground 0.5~1h with sand mill, is obtained the A of the acroleic acid polyurethane coating
Component；
Hexamethylene diisocyanate tripolymer and toluene are mixed and obtain the acroleic acid polyurethane after being uniformly dispersed by step (3)
The B component of coating；
The component A and B component are obtained the acroleic acid polyurethane coating by step (4) after mixing；
The weight ratio of each component is in step (1) and step (2)：
1 part of silicone-modified Hydroxylated acrylic resin, 0.2~0.5 part of dimethylbenzene,
0.03~0.15 part of polyamide wax, 0.2~0.5 part of blanc fixe,
0.2~0.6 part of feldspar, 0.1~0.8 part of membrane wrapping modified titanium dioxide of zirconium,
0.4~0.8 part of F524 type aliphatic Polyaspartic Polyurea, 0.2~0.6 part of phthalocyanine blue,
0.1~0.3 part of butyl acetate, 0.1~0.2 part of toluene, 0.05~0.15 part of organic silicon modified polyurethane,
The polyether-modified poly- methyl alkyl siloxane of 0.002~0.06 part of BYK-325 type,
0.06~0.15 part of fluorine richness polyacrylate,
The butyl acetate, dimethylbenzene of 0.02~0.4 part of two (2,2,6,6- tetramethyl -1- octyloxy -4- piperidyls) sebacic acid ester
Solution,
0.02~0.1 part of zinc Isoocatanoate；
The weight ratio of each component is in step (3)：
1 part of hexamethylene diisocyanate tripolymer, 0.1~0.2 part of toluene；
The weight ratio of component A and B component described in step (4) is：1:(0.2~0.4).
5. manufacturing method according to claim 4, which is characterized in that
The weight ratio of each component is in step (1) and step (2)：
1 part of silicone-modified Hydroxylated acrylic resin, 0.4 part of dimethylbenzene,
0.06 part of polyamide wax, 0.2 part of blanc fixe,
0.25 part of feldspar, 0.5 part of membrane wrapping modified titanium dioxide of zirconium,
0.65 part of F524 type aliphatic Polyaspartic Polyurea, 0.35 part of phthalocyanine blue,
0.25 part of butyl acetate, 0.15 part of toluene, 0.09 part of organic silicon modified polyurethane,
The polyether-modified poly- methyl alkyl siloxane of 0.015 part of BYK-325 type,
0.08 part of fluorine richness polyacrylate,
The butyl acetate, xylene solution of 0.15 part of two (2,2,6,6- tetramethyl -1- octyloxy -4- piperidyls) sebacic acid ester,
0.055 part of zinc Isoocatanoate；
The weight ratio of each component is in step (3)：
1 part of hexamethylene diisocyanate tripolymer, 0.13 part of toluene.
6. manufacturing method according to claim 4, which is characterized in that the weight of component A and B component described in step (4)
Ratio is：1:0.25.
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| US10113085B2 (en) * | 2016-07-26 | 2018-10-30 | Basf Coatings Gmbh | Low temperature cure coating formed via a double layer curing mechanism of a pigmented waterborne baselayer and a solventborne top layer |
| CN109562633B (en) * | 2016-08-01 | 2021-07-23 | 路博润先进材料公司 | Coating composition for glossy ink-receptive media |
| CN107337993B (en) * | 2016-12-26 | 2020-11-17 | 江苏苏博特新材料股份有限公司 | High-durability concrete protection system for rapid construction and preparation method thereof |
| CN112048226B (en) * | 2020-09-13 | 2021-09-03 | 上海普信高分子材料有限公司 | Acid and alkali resistant fluorosilicone acrylic resin coating and preparation method thereof |
| CN112358799A (en) * | 2020-11-09 | 2021-02-12 | 雅图高新材料股份有限公司 | Primer-topcoat polyurethane protective coating |
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