CN106336793A - Solvent-free polyurethane paint and manufacture method thereof - Google Patents
Solvent-free polyurethane paint and manufacture method thereof Download PDFInfo
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- CN106336793A CN106336793A CN201610718079.0A CN201610718079A CN106336793A CN 106336793 A CN106336793 A CN 106336793A CN 201610718079 A CN201610718079 A CN 201610718079A CN 106336793 A CN106336793 A CN 106336793A
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/06—Polyurethanes from polyesters
-
- 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
- C09D5/08—Anti-corrosive paints
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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Abstract
The invention provides a solvent-free polyurethane paint and a manufacture method thereof. The solvent-free polyurethane paint comprises a first component and a second component; the component A comprises the following raw materials: 1.6-1.7 parts of polyester polyol and/or polyether polyol, 0.1-0.2 parts of liquid petroleum resin, 1.55-1.96 parts of pigments and fillers, 0.12-0.16 parts of molecular sieve activated powder, 0.015-0.02 parts of a water-removal additive, 0.03-0.04 parts of an antifoaming agent, 0.015-0.02 parts of a dispersant, and 0.015-0.02 parts of a levelling agent; and the component B comprises polyisocyanate. The paint has proper viscosity, the working life can reach 3h, the good construction performance can be guaranteed, the paint can be used for coating construction at normal temperature. the coating has good physical and chemical properties, the impact resistance is greater than 10 J, anti-15 DEG bending coating cannot generate cracks, the salt spray-resistant coating with 2000 h is undamaged, and the cathode stripping resistant performance is less than 6 mm. the paint can be used for anticorrosion of structures such as anticorrosion in large-scale crude oil storage tanks, anticorrosion outside the underground pipelines, and normal temperature coating construction of sea port concrete surface.
Description
Technical field
The invention belongs to anticorrosive coating technical field, more particularly, to a kind of unmaned platform and its manufacturer
Method.
Background technology
Polyurethane coating is a kind of long-acting high-performance anticorrosion coating, has obtained success in some harsh corrosive environments
Application.Solventless coatings safety and environmental protection, no harmful gass volatilize, it is to avoid solvent based coating is in the curing process because solvent is waved
Send out and cause film coated surface to produce pin hole, thus improve permeability resistance and the shielding of coating.Domestic Large Oil Tank at present
The engineering projects such as interior anti-corrosion, outer anti-corrosion, the harbour concrete surface of buried pipeline are all in positive popularization and application no-solvent polyurethane anticorrosion
Coating.
The feature of unmaned platform is that mechanical performance is excellent, adhesive force is good, acid and alkali-resistance salt corrosion, one-pass film-forming
Thickness, can reduce construction cost, and curing rate is fast, can solidify under low temperature environment in the winter time, construction environment adaptability is stronger.
But, unmaned platform there is also some problems in actual application, and for example it needs special height
Pressure airless sprayer is constructed, and solventless coatings viscosity is larger to need to carry out hot spraying, higher to construction process requirement.Apply
The working life that material curing rate also results in coating soon is shorter, is unfavorable for live small area construction and patch work construction.Therefore, such as
What solves the problems, such as that the site operation of unmaned platform becomes the research emphasis of this coating.
Content of the invention
For the problems referred to above of the prior art, present invention is primarily targeted at providing a kind of unmaned platform
And its manufacture method, prepared unmaned platform has suitable viscosity, and working life is more than 3h, can enter at normal temperatures
Row brush application.
In order to achieve the above object, the present invention adopts the following technical scheme that
A kind of unmaned platform, including the first component and the second component；Described first component includes following weight
The raw material of number:
PEPA and/or 1.6～1.7 parts of polyether polyol
0.1～0.2 part of liquid petroleum resin
Color stuffing 1.55-1.96 part
0.12～0.16 part of molecular sieve activation powder
0.015～0.02 part of deicer
0.03～0.04 part of defoamer
0.015～0.02 part of dispersant
0.015～0.02 part of levelling agent
Described second component includes polyisocyanates.
As further, preferably, described PEPA and/or polyether polyol include 0.6～0.7 part of polyhydric alcohol
Sovermol 750 and 1 part of polyhydric alcohol sovermol 805.
As further, preferably, described second group is divided into polymethylene multi-phenenyl isocyanate.
As further preferred, the weight of described first component and the second component ratio is for 1:0.28～0.32.
As further preferred, the weight of described first component and the second component ratio is for 1:0.3.
As further, preferably, described color stuffing includes silica flour, Pulvis Talci, titanium dioxide, barium sulfate and white carbon black.
As further preferred, described color stuffing include parts by weight be respectively 0.7～0.85 part silica flour, 0.25
The charcoal of～0.35 part of Pulvis Talci, 0.25～0.3 part of titanium dioxide, 0.35～0.45 part of barium sulfate and 0.003～0.005 part
Black.
As further preferably, described deicer is deicer alt-201, and described defoamer is defoamer byk057,
Described dispersant is dispersant byk163, and described levelling agent is levelling agent efka-3777.
As further preferred, described first component includes the raw material of following parts by weight:
1 part of polyhydric alcohol sovermol 805,
0.67 part of polyhydric alcohol sovermol 750,
0.15 part of liquid petroleum resin,
0.8 part of silica flour, 0.3 part of Pulvis Talci,
0.26 part of titanium dioxide, 0.41 part of barium sulfate, 0.004 part of white carbon black,
0.14 part of molecular sieve activation powder, 0.018 part of deicer alt-201,
0.0374 part of defoamer byk057,
0.0194 part of dispersant byk163,
0.016 part of levelling agent efka-3777；
Described second group is divided into polymethylene multi-phenenyl isocyanate pm200.
A kind of manufacture method of unmaned platform, comprises the steps:
1) carry out after molecular sieve activation powder, defoamer, dispersant and PEPA and/or polyether polyol mixing
High shear dispersion, obtains dehydrant；
2) color stuffing is heated eliminating water；
3) by PEPA and/or polyether polyol, liquid petroleum resin, deicer, defoamer, dispersant and levelling
It is stirred after agent mixing, adds described color stuffing in the case of stirring, continuing stirring makes each component be uniformly dispersed, after grinding
Obtain mixture；
4) the described dehydrant in step (1) and defoamer are added in the described mixture of step (3) gained and carry out
High shear dispersion, obtains the first component of described unmaned platform；
5) described first component and the second component mix homogeneously are obtained described unmaned platform.
As further preferred, described step 1) and 4) in, the rotating speed of described high shear dispersion is 2500r/min, institute
State step 1) time of high shear dispersion is 1-3h, described step 4) in time of high shear dispersion be 20-40min.
As further preferred, described step 2) in, described heating-up temperature is 120-180 DEG C, and the eliminating water time is 10-
15h.
As further preferred, described step 1) in, described PEPA and/or polyether polyol are polyhydric alcohol
Sovermol 750, described step 3) in, described PEPA and/or polyether polyol include polyhydric alcohol sovermol 750
With polyhydric alcohol sovermol 805.
As further preferred, described step 3) in, temperature during described stirring is 20-40 DEG C.
As further preferred, described step 3) in, the time of described grinding is 0.5-1h.
As further preferred, described step 5) in, will described second component dispersed with stirring uniformly after and described first
Component mixes.
The invention has the beneficial effects as follows:
(1) unmaned platform of the present invention employs the polyhydric alcohol of different degrees of functionality and polyisocyanates as master
Body film-forming resin, with the addition of liquid petroleum resin, makes coating have suitable viscosity, and working life is more than 3h, can enter at normal temperatures
Row brush application, solving coating needs Special Equipment to spray the problems such as bring inconvenience to construction.Coating can be random according to consumption
Prepare, carry out small area construction and patch work construction.
(2) employ deicer and molecular sieve activation powder in the unmaned platform of the present invention, solve coating and exist
Produce and work progress in coating cause coating foaming problem because of water suction, decrease the side reaction between polyisocyanates and water,
Improve the physicochemical property of film.
(3) the unmaned platform coating of the present invention has good physical and chemical performance, and impact resistance is more than
10j, resists 1.5 ° of bending coating flawlesses, and salt spray resistance 2000h coating is intact, and resistance to cathodic disbonding (65 DEG C, -1.5v, 48h) performance is little
In 6mm.
(4) to can be used for anti-corrosion in Large Oil Tank, buried pipeline outer anti-corrosion, extra large for the unmaned platform of the present invention
The room temperature brush application anticorrosion of the structures such as port concrete surface.
Brief description
Fig. 1 is the schematic flow sheet of the manufacture method of embodiment of the present invention unmaned platform.
Specific embodiment
The present invention passes through to provide a kind of unmaned platform and its manufacture method, solves existing no-solvent polyurethane
The problem that coating is constructed at the scene, improves the working life of solventless coatings, the viscosity of adjustment coating and hardening time are so as to fit
Answer small area construction and patch work construction, and brush application can be carried out at normal temperatures.
In order to solve the above problems, the main thought of the embodiment of the present invention is:
Embodiment of the present invention unmaned platform, including the first component and the second component；Described first component includes
The raw material of following parts by weight:
PEPA and/or 1.6～1.7 parts of polyether polyol
0.1～0.2 part of liquid petroleum resin
Color stuffing 1.55-1.96 part
0.12～0.16 part of molecular sieve activation powder
0.015～0.02 part of deicer
0.03～0.04 part of defoamer
0.015～0.02 part of dispersant
0.015～0.02 part of levelling agent
Described second component includes polyisocyanates.
As shown in figure 1, the manufacture method of embodiment of the present invention unmaned platform, comprise the steps:
S01: molecular sieve activation powder, defoamer, dispersant and PEPA and/or polyether polyol are mixed laggard
Row high shear dispersion, obtains dehydrant；
S02: color stuffing is heated eliminating water；
S03: by PEPA and/or polyether polyol, liquid petroleum resin, deicer, defoamer, dispersant and stream
It is stirred after flat agent mixing, adds described color stuffing in the case of stirring, continuing stirring makes each component be uniformly dispersed, and grinds
Obtain mixture afterwards；
S04: the described dehydrant in step (1) and defoamer are added in the described mixture of step (3) gained
Row high shear dispersion, obtains the first component of described unmaned platform；
S05: described first component and the second component mix homogeneously are obtained described unmaned platform.
Term " no-solvent type " used herein refers to both not contain organic solvent in the coating composition, does not also contain
There is water as disperse medium.No-solvent type coating has the advantages that coating performance is good, do not need harsh execution conditions.
Term " polyurethane " used herein refers to react shape by polyol compound with polyisocyanate compound
The macromolecular material becoming.Polyurethane coating is a kind of elastic coating, has an advantage in that excellent elasticity and elongation percentage, and remarkable
Anti-wear performance.Polyurethane coating has the handling characteristicss of real-world effectiveness molding, and constantly promotes the molding of polyurethane coating to apply
Work develops to simple and direct, efficient and oligosaprobic direction.
Polyhydric alcohol is comprised, including PEPA and polyether polyol in base material first component using in the present invention.
PEPA typically by Dicarboxylic Acids (anhydride or ester) and polyhydric alcohol (inclusion glycol) condensation (or ester exchange) or by
The oligomer of lactone and polymerization.Common binary acid include but is not limited to phthalic acid or phthalate anhydride or its
Ester, adipic acid, halo phthalic acid etc..Common polyhydric alcohol include but is not limited to ethylene glycol, propylene glycol, diglycol,
Trimethylolpropane, tetramethylolmethane etc..The polyurethane material being prepared by the PEPA ester more because intramolecular contains
Base, amino isopolarity group, cohesive strength and adhesive force are strong, have higher intensity, wearability.You Duojia factory in the market
Business provides and sells PEPA.
Polyether polyol prepolymer is that main chain contains ehter bond (- r-o-r-), end group or side base contain more than two hydroxyl (-
Oh oligomer).Typically with the compound containing active hydrogen such as low molecular weight polyols as initiator, with oxyalkylene in catalysis
The lower ring-opening polymerisation of agent effect forms.Oxyalkylene mainly propylene oxide (expoxy propane), ethylene oxide (oxirane), wherein
Mostly important with expoxy propane.Common polyhydric alcohol initiator includes but is not limited to the dihydroxylic alcohols such as propylene glycol, ethylene glycol, glycerol three
The trihydroxylic alcohols such as hydroxymethyl-propane, and the polyhydric alcohol such as tetramethylolmethane, xylitol, Sorbitol, sucrose.
The PEPA that can use in the present invention and/or polyether polyol include having in the market multiple commercial vendors
There is provided the multiple polyester sold and/or polyether polyol, including such as polyhydric alcohol sovermol 750 and polyhydric alcohol sovermol
805 etc., and other the similar polyester that can be commercially available on market and/or polyether polyol.
Multiple polyhydric alcohol can be used in base material first component of the present invention, including PEPA and polyether polyols
Alcohol.
Under normal circumstances, base material first component of the present invention includes color stuffing.Color stuffing is a kind of coloured fine grained powder
Shape material, in the medium such as typically water insoluble, oily, solvent and resin, can be scattered in various media.It has covering power,
Color power, relatively stable to light, it is usually used in preparing coating, ink and coloured plastics and rubber, simultaneously work as colouring and fill
Effect.Common color stuffing includes titanium dioxide, silica flour, white carbon black, Pulvis Talci or brium carbonate etc..
The second component using in the present invention is polyisocyanates.Polyisocyanates is the mainly former of synthesis of polyurethane
Material, is broadly divided into aliphatic and aromatic series two class.With polyphenyl polymethylene polyisocyanates (papi) as raw material, reaction is lived
Property slightly lower, the intensity of the coating material obtaining is high.
It is additionally may included in common mark in coating manufacture field in the no-solvent type polyurethane coating composition of the present invention
Quasi- additive, for example include coloring agent, colorant, dyestuff, feel auxiliary agent, chelating agen, delustering agent, deicer, plasticizer, wear-resisting
Grain, film strengthen granule, flow control agent, thixotropic agent, rheology modifier, catalyst, antioxidant, biocide, defoamer,
Surfactant, wetting agent, dispersant, adhesion promotor, clay, hindered amine as light stabilizer, uv light absorbs stabilizer, stable
Agent, filler, grinding supporting agent and other common auxiliary agents, or the combination of above-mentioned additive.
Liquid petroleum resin is with the addition of, this resin and polyurethane system intermiscibility in the unmaned platform of the present invention
Preferably, and resin viscosity relatively low, the viscosity reducing solventless coatings can be adjusted and adapt to so as to have good construction
Property.Do not contain polarity or functional groups in the molecular structure of Petropols, there is no a chemism, acid and alkali-resistance, chemical proofing,
Resistance to water is good.And, it is not involved in the curing reaction of polyurethane coating, the working life of coating can be extended.
In terms of film-forming resin, the polyhydric alcohol that the present invention adopts is branched polyether/polyester structure, good only two
Vertical performance chemical mixing is combined into a molecule, therefore combines the dual characteristicses of polyether polyol and PEPA.Coating
In employ the polyhydric alcohol of two kinds of different functional groups, polyhydric alcohol sovermol 805 has excellent impact resistance, and hydrophobicity is good,
Polyhydric alcohol sovermol 750 hardness is high, excellent chemical-resistant, and weatherability is preferable.Collocation polymethylene polyphenyl Carbimide.
The paint film substrate bonding excellent performance that ester is formed, resistance to cathodic disbonding performance and acid-proof alkaline are preferably, insensitive to moisture, have
Excellent Corrosion Protection.
Present invention additionally comprises, with the addition of molecular sieve activation powder and deicer.Molecular sieve activation powder has uniform micropore knot
Structure, its hole diameter uniformly, can be adsorbed coating and produce and the moisture in work progress.Deicer is containing terminal hydroxy group
Monosubstituted oxazolyl alkane, by the decomposition of the oxazolidine to moisture-sensitive, consume moisture, carry out the moisture in removing system, solve because of ring
Border humidity is excessive, coating produce foaming, pin hole the problems such as.
Additionally, other adjuvant components in the unmaned platform of the present invention, such as defoamer, dispersant and levelling agent
Also all serve not same-action.
The effect of each component of summary, is carried out to the part by weight of each component in the unmaned platform of the present invention
Design, makes the unmaned platform of final gained have good combination property.
In order to above and other purpose, feature and the advantage of the present invention can be become apparent, number cited below particularly is implemented
Example, to illustrate unmaned platform of the present invention and its manufacture method.
The model of key component used in following embodiments:
Polyhydric alcohol sovermol 805, BASF AG；
Polyhydric alcohol sovermol 750, BASF AG；
Liquid petroleum resin, la300, Jia Dida Chemical Co., Ltd. of Shenzhen；
Molecular sieve activation powder, 3a, Luoyang Jianlong Chemical Industry Co., Ltd.；
Deicer, alt-201, Ai Lite Chemical Co., Ltd.；
Defoamer, byk057, German Bi Ke；
Dispersant, byk163, German Bi Ke；
Levelling agent, efka-3777, EFKA.
Polymethylene multi-phenenyl isocyanate, pm200, Yantai ten thousand China.
Embodiment 1
The manufacture method step of the unmaned platform of the present embodiment 1 is as follows, and the ratio of each component is parts by weight:
Step (1), by 0.14 part of molecular sieve activation powder, 0.0014 part of defoamer byk057 and 0.0014 part of dispersant
Byk163 is added in 0.14 part of polyhydric alcohol sovermol 750, and high shear (2500r/min) disperses 1h, obtains dehydrant；
Step (2), by 0.8 part of silica flour, 0.3 part of Pulvis Talci, 0.26 part of titanium dioxide, 0.41 part of barium sulfate and 0.004 part
White carbon black is placed on heating eliminating water 12 hours in 150 DEG C of high-temperature cabinets, obtains coating color stuffing；
Step (3), by 750,0.15 part of liquid petroleum resin of 0.53 part of polyhydric alcohol sovermol, 0.018 part of deicer
Alt-201,0.018 part of defoamer byk057,0.018 part of dispersant byk163 and 0.016 part of levelling agent efka-3777 are added to
In 1 part of polyhydric alcohol sovermol 805, under room temperature, carry out high-speed stirred, in the case of stirring, add coating color stuffing, continue
High-speed stirred 30～40min, makes each component be uniformly dispersed, and is then ground 0.5～1 hour with grinder, obtains mixture；
Step (4), step (1) dehydrant and 0.018 part of defoamer byk057 are added to step (3) gained mixture
In, high shear (2500r/min) disperses 30min, obtains the first component of described unmaned platform；
Step (5), polymethylene multi-phenenyl isocyanate pm200 dispersed with stirring is uniformly made the second component；
Step (6), described first component and the second components by weight is obtained described solvent-free poly- for 1:0.3 mix homogeneously
Urethane coating.
The properties of the present embodiment gained unmaned platform are tested, gained coating and its coating each
Item performance is shown in Table 1.
Table 1 embodiment 1 gained unmaned platform properties
Embodiment 2
The manufacture method step of the unmaned platform of the present embodiment 2 is as follows, and the ratio of each component is parts by weight:
Step (1), by 0.15 part of molecular sieve activation powder, 0.0015 part of defoamer byk057 and 0.0015 part of dispersant
Byk163 is added in 0.13 part of polyhydric alcohol sovermol 750, and high shear (2500r/min) disperses 1h, obtains dehydrant；
Step (2), by 0.75 part of silica flour, 0.35 part of Pulvis Talci, 0.3 part of titanium dioxide, 0.35 part of barium sulfate and 0.005 part
White carbon black is placed on heating eliminating water 12 hours in 150 DEG C of high-temperature cabinets, obtains coating color stuffing；
Step (3), by 750,0.2 part of liquid petroleum resin of 0.55 part of polyhydric alcohol sovermol, 0.02 part of deicer alt-
201st, 0.014 part of defoamer byk057,0.014 part of dispersant byk163 and 0.02 part of levelling agent efka-3777 are added to more than 1 part
In first alcohol sovermol 805, under room temperature, carry out high-speed stirred, in the case of stirring, add coating color stuffing, continue high-speed stirring
Mix 30～40min, so that each component is uniformly dispersed, then ground 0.5～1 hour with grinder, obtain mixture；
Step (4), step (1) dehydrant and 0.014 part of defoamer byk057 are added to step (3) gained mixture
In, high shear (2500r/min) disperses 30min, obtains the first component of described unmaned platform；
Step (5), polymethylene multi-phenenyl isocyanate pm200 dispersed with stirring is uniformly made the second component；
Step (6), described a component and b components by weight are obtained described no-solvent polyurethane for 1:0.28 mix homogeneously
Coating.
The properties of the present embodiment 2 gained unmaned platform are tested, gained coating and its coating
Properties are shown in Table 2.
Table 2 embodiment 2 gained unmaned platform properties
Embodiment 3
The manufacture method step of the unmaned platform of the present embodiment 3 is as follows, and the ratio of each component is parts by weight:
Step (1), by 0.12 part of molecular sieve activation powder, 0.001 part of defoamer byk057 and 0.002 part of dispersant byk163
It is added in 0.1 part of polyhydric alcohol sovermol 750, high shear (2500r/min) disperses 1h, obtain dehydrant；
Step (2), by 0.7 part of silica flour, 0.25 part of Pulvis Talci, 0.25 part of titanium dioxide, 0.35 part of barium sulfate and 0.003 part
White carbon black is placed on heating eliminating water 15 hours in 120 DEG C of high-temperature cabinets, obtains coating color stuffing；
Step (3), by 750,0.1 part of liquid petroleum resin of 0.5 part of polyhydric alcohol sovermol, 0.015 part of deicer alt-
201st, 0.0145 part of defoamer byk057,0.013 part of dispersant byk163 and 0.015 part of levelling agent efka-3777 are added to 1 part
In polyhydric alcohol sovermol 805, under room temperature, carry out high-speed stirred, in the case of stirring, add coating color stuffing, continue at a high speed
Stirring 30～40min, makes each component be uniformly dispersed, and is then ground 0.5～1 hour with grinder, obtains mixture；
Step (4), step (1) dehydrant and 0.0145 part of defoamer byk057 are added to step (3) gained mixture
In, high shear (2500r/min) disperses 20min, obtains the first component of described unmaned platform；
Step (5), polymethylene multi-phenenyl isocyanate pm200 dispersed with stirring is uniformly made the second component；
Step (6), described first component and the second components by weight is obtained described solvent-free for 1:0.28 mix homogeneously
Polyurethane coating.
The properties of the present embodiment gained unmaned platform are tested, gained coating and its coating each
Item performance is shown in Table 3.
Table 3 embodiment 3 gained unmaned platform properties
Embodiment 4
The manufacture method step of the unmaned platform of the present embodiment 4 is as follows, and the ratio of each component is parts by weight:
Step (1), by 0.16 part of molecular sieve activation powder, 0.002 part of defoamer byk057 and 0.002 part of dispersant byk163
It is added in 0.15 part of polyhydric alcohol sovermol 750, high shear (2500r/min) disperses 1h, obtain dehydrant；
Step (2), by 0.85 part of silica flour, 0.35 part of Pulvis Talci, 0.3 part of titanium dioxide, 0.45 part of barium sulfate and 0.005 part
White carbon black is placed on heating eliminating water 10 hours in 180 DEG C of high-temperature cabinets, obtains coating color stuffing；
Step (3), by 750,0.2 part of liquid petroleum resin of 0.55 part of polyhydric alcohol sovermol, 0.02 part of deicer alt-
201st, 0.019 part of defoamer byk057,0.018 part of dispersant byk163 and 0.02 part of levelling agent efka-3777 are added to more than 1 part
In first alcohol sovermol 805, under room temperature, carry out high-speed stirred, in the case of stirring, add coating color stuffing, continue high-speed stirring
Mix 30～40min, so that each component is uniformly dispersed, then ground 0.5～1 hour with grinder, obtain mixture；
Step (4), step (1) dehydrant and 0.019 part of defoamer byk057 are added to step (3) gained mixture
In, high shear (2500r/min) disperses 40min, obtains the first component of described unmaned platform；
Step (5), polymethylene multi-phenenyl isocyanate pm200 dispersed with stirring is uniformly made the second component；
Step (6), described a component and b components by weight are obtained described no-solvent polyurethane for 1:0.32 mix homogeneously
Coating.
The properties of the present embodiment 4 gained unmaned platform are tested, gained coating and its coating
Properties are shown in Table 4.
Table 4 embodiment 4 gained unmaned platform properties
The unmaned platform that can be seen that the embodiment of the present invention from table 1-4 has suitable viscosity, and working life can
Reach 3h it is ensured that good workability, embodiment of the present invention coating can carry out brush application at normal temperatures.Coating has good
Adhesive force, excellent impact resistance and bending resistance.Coating also has excellent anticorrosive property and resistance to cathodic disbonding performance.
Technical scheme in above-mentioned the embodiment of the present application, at least has the following technical effect that or advantage:
(1) unmaned platform of the present invention employs the polyhydric alcohol of different degrees of functionality and polyisocyanates as master
Body film-forming resin, with the addition of liquid petroleum resin, makes coating have suitable viscosity, and working life is more than 3h, can enter at normal temperatures
Row brush application, solving coating needs Special Equipment to spray the problems such as bring inconvenience to construction.Coating can be random according to consumption
Prepare, carry out small area construction and patch work construction.
(2) employ deicer and molecular sieve activation powder in the unmaned platform of the present invention, solve coating and exist
Produce and work progress in coating cause coating foaming problem because of water suction, decrease the side reaction between polyisocyanates and water,
Improve the physicochemical property of film.
(3) the unmaned platform coating of the present invention has good physical and chemical performance, and impact resistance is more than
10j, resists 1.5 ° of bending coating flawlesses, and salt spray resistance 2000h coating is intact, and resistance to cathodic disbonding (65 DEG C, -1.5v, 48h) performance is little
In 6mm.
(4) to can be used for anti-corrosion in Large Oil Tank, buried pipeline outer anti-corrosion, extra large for the unmaned platform of the present invention
The room temperature brush application anticorrosion of the structures such as port concrete surface.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So, claims are intended to be construed to including excellent
Select embodiment and fall into being had altered and changing of the scope of the invention.Obviously, those skilled in the art can be to the present invention
Carry out various change with modification without departing from the spirit and scope of the present invention.So, if these modifications of the present invention and modification
Belong within the scope of the claims in the present invention and its equivalent technologies, then the present invention is also intended to comprise these changes and modification exists
Interior.
Claims (10)
1. a kind of unmaned platform, including the first component and the second component；It is characterized in that: described first component includes
The raw material of following parts by weight:
PEPA and/or 1.6～1.7 parts of polyether polyol
0.1～0.2 part of liquid petroleum resin
Color stuffing 1.55-1.96 part
0.12～0.16 part of molecular sieve activation powder
0.015～0.02 part of deicer
0.03～0.04 part of defoamer
0.015～0.02 part of dispersant
0.015～0.02 part of levelling agent
Described second component includes polyisocyanates.
2. unmaned platform according to claim 1 it is characterised in that: described PEPA and/or polyethers
Polyhydric alcohol includes 0.6～0.7 part of polyhydric alcohol sovermol 750 and 1 part of polyhydric alcohol sovermol 805.
3. unmaned platform according to claim 1 it is characterised in that: described second group is divided into polymethylene many
Phenyl isocyanate.
4. unmaned platform according to claim 1 it is characterised in that: described first component and the second component
Weight is than for 1:0.28～0.32.
5. unmaned platform according to claim 1 it is characterised in that: described color stuffing includes parts by weight and divides
Not Wei 0.7～0.85 part silica flour, 0.25～0.35 part of Pulvis Talci, 0.25～0.3 part of titanium dioxide, 0.35～0.45 part
Barium sulfate and 0.003～0.005 part of white carbon black.
6. unmaned platform according to claim 1 it is characterised in that: described deicer be deicer alt-
201, described defoamer is defoamer byk057, and described dispersant is dispersant byk163, and described levelling agent is levelling agent efka-
3777.
7. unmaned platform according to claim 1 it is characterised in that: described first component includes following weight
The raw material of number:
1 part of polyhydric alcohol sovermol 805,
0.67 part of polyhydric alcohol sovermol 750,
0.15 part of liquid petroleum resin,
0.8 part of silica flour, 0.3 part of Pulvis Talci,
0.26 part of titanium dioxide, 0.41 part of barium sulfate, 0.004 part of white carbon black,
0.14 part of molecular sieve activation powder, 0.018 part of deicer alt-201,
0.0374 part of defoamer byk057,
0.0194 part of dispersant byk163,
0.016 part of levelling agent efka-3777；
Described second group is divided into polymethylene multi-phenenyl isocyanate pm200.
8. the unmaned platform as described in any one of claim 1-7 manufacture method it is characterised in that: include as follows
Step:
1) cut carrying out height after molecular sieve activation powder, defoamer, dispersant and PEPA and/or polyether polyol mixing
Cutting dissipates, and obtains dehydrant；
2) color stuffing is heated eliminating water；
3) PEPA and/or polyether polyol, liquid petroleum resin, deicer, defoamer, dispersant and levelling agent are mixed
It is stirred after conjunction, adds described color stuffing in the case of stirring, continuing stirring makes each component be uniformly dispersed, and obtains after grinding
Mixture；
4) dehydrant described in defoamer and step (1) is added to and carries out height in the described mixture of step (3) gained and cut
Cutting dissipates, and obtains the first component of described unmaned platform；
5) described first component and the second component mix homogeneously are obtained described unmaned platform.
9. unmaned platform according to claim 8 manufacture method it is characterised in that: described step 2) in,
Described heating-up temperature is 120-180 DEG C, and the eliminating water time is 10-15h.
10. unmaned platform according to claim 8 manufacture method it is characterised in that: described step 1) in,
Described PEPA and/or polyether polyol are polyhydric alcohol sovermol 750, described step 3) in, described PEPA
And/or polyether polyol includes polyhydric alcohol sovermol 750 and polyhydric alcohol sovermol 805.
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| CN108219654A (en) * | 2018-01-11 | 2018-06-29 | 山东扬名新材料技术有限公司 | Polyurethane non-skid coating |
| CN108329826A (en) * | 2018-01-11 | 2018-07-27 | 山东扬名新材料技术有限公司 | Double component solvent-free polyurethane coating |
| CN111423801A (en) * | 2019-01-10 | 2020-07-17 | 沈阳化工研究院有限公司 | Water-based nano heavy-duty coating for chemical sewage tank and preparation thereof |
| CN111621222A (en) * | 2020-06-07 | 2020-09-04 | 保定牛木兴环保设备制造有限公司 | Double-component polyurethane coating and preparation method and application thereof |
| CN113652160A (en) * | 2021-08-17 | 2021-11-16 | 武汉佳顺源防腐科技有限公司 | Polyurethane coating and preparation method thereof |
| CN115093785A (en) * | 2022-08-03 | 2022-09-23 | 长园长通科技有限公司 | Weather-proof double-component solvent-free polyurethane coating for pipeline joint coating and preparation method thereof |
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| CN111423801A (en) * | 2019-01-10 | 2020-07-17 | 沈阳化工研究院有限公司 | Water-based nano heavy-duty coating for chemical sewage tank and preparation thereof |
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| CN113652160A (en) * | 2021-08-17 | 2021-11-16 | 武汉佳顺源防腐科技有限公司 | Polyurethane coating and preparation method thereof |
| CN115093785A (en) * | 2022-08-03 | 2022-09-23 | 长园长通科技有限公司 | Weather-proof double-component solvent-free polyurethane coating for pipeline joint coating and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN106336793B (en) | 2018-09-07 |
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