CN108795132A - A kind of functional elasticity coating and preparation method thereof - Google Patents
A kind of functional elasticity coating and preparation method thereof Download PDFInfo
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- CN108795132A CN108795132A CN201710282006.6A CN201710282006A CN108795132A CN 108795132 A CN108795132 A CN 108795132A CN 201710282006 A CN201710282006 A CN 201710282006A CN 108795132 A CN108795132 A CN 108795132A
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
- C09D5/1612—Non-macromolecular compounds
- C09D5/1625—Non-macromolecular compounds organic
-
- 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
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
-
- 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
-
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
Abstract
The invention discloses a kind of functional elasticity coating and preparation method thereof, include the following raw material of parts by weight：0.15-0.2 parts of hydroxyethyl cellulose, 0.5-0.6 parts of dispersant, 0.1-0.2 parts of wetting agent, 0.1-0.2 parts of pH adjusting agent, 17.5-20 parts of titanium dioxide, 15-20 parts of coarse whiting, 35-40 parts of elastic emulsion, 0.2-0.4 parts of preservative, 1-1.5 parts of ethylene glycol, 1-1.2 parts of coalescents, 0.5-1 parts of anti-staining agent, 0.1-0.2 parts of levelling agent, 3-5 parts of thickener；It is strong that functional elasticity coating of the present invention is formed by coating pollution resistance, is not easy to adsorb dust, improves decoration defencive function of the coating to building, extend external coating overhauls the time, improves the service life of coating, has saved painting cost.
Description
Technical field
The present invention relates to building materials technical field of coatings more particularly to a kind of functional elasticity coating and preparation method thereof.
Background technology
Elastic coating is formulated with pigment, filler and auxiliary agent using synthetic resin emulsion as base-material, and certain thickness is applied
Afterwards, have and cover because base material shrinks the flexible coating of generation fine cracks.
It is film forming matter that existing elastic coating, which is all made of the relatively low elastic emulsion of film-forming temperature, in building coating field,
TG temperature and minimum film formation temperature are all especially low, have the elastic extension rate up to 1500%.
Existing elastic coating common on the market includes the following raw material of parts by weight：15-20 parts of water, hydroxyethyl cellulose
0.15-0.2 parts, 0.5-0.6 parts of dispersant, 0.1-0.2 parts of wetting agent, 0..1-0.2 parts of pH adjusting agent, titanium dioxide 17.5-20
Part, 15-20 parts of coarse whiting, 35-40 parts of elastic emulsion, 0.2-0.4 parts of preservative, 1-1.5 parts of ethylene glycol, 1-1.2 parts of lauryl alcohol ester,
0.1-0.2 parts of polyurethane levelling agent, 3-5 parts of thickener.
The film that the coating is formed has elasticity, can cover wall micro-cracks.But the coating pollution resistance is poor, on the one hand
It is that the film that the coating is formed by is soft, easily adsorbs dust, pollution resistance is poor, if improving anti-pollution using flexible lotion
Property, elastic extension rate will reduce, and influence normal use；On the other hand, the TG temperature and minimum film formation temperature of elastic emulsion be all
At subzero tens degree hereinafter, after film forming, film is easily tacky when environment temperature is relatively high, easily adsorbs dust, causes coating surface
Pollution, influences the decorative effect of coating.
Invention content
In order to solve the problems, such as that elastic coating resistance to soiling is poor in the prior art, the object of the present invention is to provide a kind of resistances to soiling
The excellent elastic coating of energy；In addition, the present invention will also provide the preparation method of the elastic coating.
To achieve the goals above, the present invention adopts the following technical scheme that：
The first aspect of the present invention provides a kind of functional elasticity coating, includes the following raw material of parts by weight：
0.15-0.2 parts of hydroxyethyl cellulose
0.5-0.6 parts of dispersant
0.1-0.2 parts of wetting agent
0.1-0.2 parts of pH adjusting agent
17.5-20 parts of titanium dioxide
15-20 parts of powdered whiting
35-40 parts of elastic emulsion
0.2-0.4 parts of preservative
1-1.5 parts of ethylene glycol
1-1.2 parts of coalescents
0.5-1 parts of anti-staining agent
0.1-0.2 parts of levelling agent
3-5 parts of thickener.
Wherein, the dispersant is selected from the 5040 of Nuo Pu sections, and the wetting agent is selected from the X-405 of Tao Shi, and the pH is adjusted
Agent is selected from the AMP95 of Tao Shi, and the preservative is selected from the MBS of Sol company, and the coalescents are lauryl alcohol ester, the thickening
Agent is selected from the TT935 of Tao Shi.
Wherein, the anti-staining agent is organosiloxane class anti-staining agent.
Wherein, the anti-staining agent is selected from the WMS of Tu Mai companies of the U.S..
Wherein, the levelling agent is polyurethane levelling agent.
Wherein, the levelling agent is selected from the 2020 of Tao Shi.
The second aspect of the present invention provides the preparation method of above-mentioned functional elasticity coating, includes the following steps：
Water is added in S1 in a stirring kettle, and hydroxyethyl cellulose is added while stirring under 300-500 revs/min of rotating speed, stirs 3-
5 minutes；
S2 sequentially adds dispersant, and wetting agent, pH adjusting agent, stirring, mixing speed is 500-800 revs/min, and mixing time is
5-10 minutes；
S3, adjustment rotating speed is 1000-1200 revs/min, sequentially adds titanium dioxide and powdered whiting, is stirred 20-25 minutes；
S4, adjustment rotating speed is 300-500 revs/min, sequentially adds elastic emulsion, ethylene glycol, coalescents, preservative, anti-staining agent,
Levelling agent, thickener stir evenly.
S1 steps use 300-500 revs/min of rotating speed, this step belongs to low speed dispersion, for filling for hydroxyethyl cellulose
Divide dissolving；If rotating speed is too high, highly viscous hydroxyethyl cellulose will produce a large amount of bubbles, be not easy to abolish.
S3 steps use 1000-1200 revs/min of rotating speed, this step belongs to high speed dispersion, since the step adds titanium
White powder and powdered whiting, it is necessary to which high speed dispersion is so that it, by high speed shear, reaches fineness range as defined in coating.
S4 steps use 300-500 revs/min of rotating speed, this step belongs to low speed dispersion, since the step adds lotion
And auxiliary agent, rate of dispersion are unsuitable excessively high；If rate of dispersion is too fast, constant temperature increases, and auxiliary agent can quickly volatilize, and be unfavorable for system
Stablize；Disperse according to high speed, will produce more bubbles in dispersion process, is unfavorable for system defoaming, high speed dispersion is also
Emulsion breaking problem can be brought.
Anti-staining agent is added in the present invention, anti-staining agent reacts with elastic emulsion, and product is adsorbed on lotion molecular surface, when
When the elastic coating of the present invention is coated on building, be adsorbed on the substance of lotion molecular surface and titanium dioxide, coarse whiting, ethylene glycol,
Coalescents, levelling agent, thickener synergistic effect, form compact structure, and the strong coating of hydrophobicity improves the anti-pollution of coating
Property.
Compared with prior art, the advantageous effect that the present invention realizes：Functional elasticity coating of the present invention is formed by coating
Pollution resistance is strong, is not easy to adsorb dust, improves decoration defencive function of the coating to building, extends overhauling for external coating
Time improves the service life of coating, has saved painting cost；Anti-staining agent is added in functional elasticity coating of the present invention,
Anti-staining agent reacts with elastic emulsion, changes the surface tension of film so that coating at high temperature will not be tacky, overcomes
The tacky problem of traditional elastic coating at high temperature.
Specific implementation mode
One, the selection of anti-staining agent
It keeps other components and dosage constant, selects the surfaces JUST-5100 anti-staining agent, AD-505 cross-linking type fluorine silicon anti-staining agents respectively
Elastic coating is prepared as anti-staining agent with the WMS of Tu Mai companies of the U.S., elastic coating obtained is stored 15 days, more each elasticity
The performance change of coating, the results are shown in Table 1.
Table 1
| The surfaces JUST-5100 anti-staining agent | Cross-linking type fluorine silicon anti-staining agent | The WMS of Tu Mai companies of the U.S. | The EL-1006 of Yi Lian | The ALON-8007 of middle sky | |
| Performance | System amalgamation is poor, and occurs being layered and lump | System amalgamation is poor, and occurs being layered and lump | System is uniform, stablizes | System is uniform, stablizes | System is uniform, stablizes |
Such as table 1, using the surfaces JUST-5100 anti-staining agent and cross-linking type fluorine silicon anti-staining agent as elastic coating made from anti-staining agent, body
It is that amalgamation is poor, occurs being layered and caking phenomenon；And the EL-1006 of WMS, Yi Lian of use Tu Mai companies of the U.S., middle sky
ALON-8007 as elastic coating made from anti-staining agent, whole system uniformly, stablize, illustrate the WMS, easily of Tu Mai companies of the U.S.
The compatibility of the EL-1006 of vertical peace, the ALON-8007 of middle sky and other components are good, it is contemplated that select Tu Mai companies of the U.S.
The EL-1006 of WMS, Yi Lian, middle sky ALON-8007 as anti-staining agent.
Using the EL-1006 of WMS, Yi Lian of Tu Mai companies of the U.S., middle sky ALON-8007 as bullet made from anti-staining agent
Property coating carry out the experiment of water-fast, stain resistant respectively, the results are shown in Table 2.
Table 2
Influence of the anti-staining agent to elastic coating elastic effect is evaluated, that is, evaluates the size for generating side effect to its elastic extension rate.
The addition of anti-staining agent has an impact the elastic effect of elastic coating, and elastic extension rate is bigger, and anti-staining agent is to elastic effect shadow
Sound is smaller, and elastic effect is better；Otherwise it is poor.The coating of WMS anti-staining agents, elastic extension rate are added as can be seen from Table 2
Maximum illustrates the side effect minimum elastic best, anti-staining agent generates elastic effect.
Using WMS as elastic coating made from anti-staining agent, water resistance is relatively excellent, and stain resistance compared to best, prolong by elasticity
Rate maximum is stretched, therefore, selects WMS anti-staining agents as anti-staining agent.
Two, the selection of anti-staining agent dosage
It keeps other components and dosage constant, selects the WMS anti-staining agents of different weight number, the property of obtained elastic coating respectively
It can be as shown in table 3.
Table 3
As shown in table 3, when the parts by weight of added WMS are 0.3, stain resistance data are up to 11%, and stain resistance is poor；
When the parts by weight of added WMS anti-staining agents increase to 0.5 by 0.3, resistance to soiling data significantly reduce, and anti-pollution characteristic improves；
When the parts by weight of added WMS anti-staining agents are up to 1.2, elastic extension rate is 200%, illustrates anti-staining agent to elastic extension
Rate is affected, and continues growing anti-staining agent, and elastic extension rate has risk not up to standard；By the weight of added WMS anti-staining agents
When amount number is reduced to 1 by 1.2, elastic extension rate increases to 300% by 200%, and stain resistance also complies with requirement.Therefore, selection weight
It is most suitable to measure the anti-staining agent that number is 0.5-1.
Three, embodiment
Embodiment 1
A kind of functional elasticity coating, is made of the following raw material of parts by weight：
Water 1500g, hydroxyethyl cellulose 15g, dispersant（The 5040 of Nuo Pu sections）50 g, wetting agent（The X-405 of Tao Shi）12 g,
PH adjusting agent（The AMP95 of Tao Shi）20 g, 1750 g of titanium dioxide, 1800 g of powdered whiting, 3500 g of elastic emulsion, preservative
（The MBS of Sol company）30 g, 100 g of ethylene glycol, 110 g of lauryl alcohol ester, anti-staining agent（The WMS of Tu Mai companies of the U.S.）50 g,
Levelling agent（The 2020 of Tao Shi）15 g, thickener（The TT935 of Tao Shi）300 g.
Embodiment 2
A kind of functional elasticity coating, is made of the following raw material of parts by weight：
Water 2000g, hydroxyethyl cellulose 18g, dispersant（The 5040 of Nuo Pu sections）60 g, wetting agent（The X-405 of Tao Shi）10 g,
PH adjusting agent（The AMP95 of Tao Shi）18 g, titanium dioxide 2000g, 1500 g of powdered whiting, 3700 g of elastic emulsion, preservative
（The MBS of Sol company）20 g, 120 g of ethylene glycol, 100 g of lauryl alcohol ester, anti-staining agent（The WMS of Tu Mai companies of the U.S.）80 g,
Levelling agent（The 2020 of Tao Shi）10 g, thickener（The TT935 of Tao Shi）400 g.
Embodiment 3
A kind of functional elasticity coating, is made of the following raw material of parts by weight：
Water 1800g, hydroxyethyl cellulose 20g, dispersant（The 5040 of Nuo Pu sections）55 g, wetting agent（The X-405 of Tao Shi）20 g,
PH adjusting agent（The AMP95 of Tao Shi）10 g, titanium dioxide 1850g, 2000 g of powdered whiting, 4000 g of elastic emulsion, preservative
（The MBS of Sol company）40 g, 150 g of ethylene glycol, 120 g of lauryl alcohol ester, anti-staining agent（The WMS of Tu Mai companies of the U.S.）100 g,
Levelling agent（The 2020 of Tao Shi）20 g, thickener（The TT935 of Tao Shi）500 g.
By taking functional elasticity coating prepared by embodiment 3 as an example, resistance to soiling, elastic extension are carried out with traditional elastic coating
Rate, tensile strength test, test result such as table 1.
Resistance to soiling：Foundation《GB/T9780-2013》Standard.
Elastic extension rate：Foundation《JG/T172-2014》Standard.
Tensile strength：Foundation《JG/T172-2014》Standard.
Table 4
Such as table 4, the stain resistance of elastic coating of the present invention is substantially better than traditional elastic coating, and elastic extension rate and tensile strength
And it is unaffected, considerably beyond《JG/T172-2014》Standard.
Elastic coating of the present invention significantly improves coating painting under conditions of elastic extension rate and unaffected tensile strength
The stain resistance of layer, overcomes the defect that traditional elastic coating easily adsorbs dust.
The above specific embodiments are only exemplary, is to preferably make skilled artisans appreciate that originally
Patent, be not to be construed as include to this patent range limitation；As long as appointing according to made by spirit disclosed in this patent
How with change or modification, the range that this patent includes is each fallen within.
Claims (5)
1. a kind of functional elasticity coating, which is characterized in that the following raw material including parts by weight：
0.15-0.2 parts of hydroxyethyl cellulose
0.5-0.6 parts of dispersant
0.1-0.2 parts of wetting agent
0.1-0.2 parts of pH adjusting agent
17.5-20 parts of titanium dioxide
15-20 parts of powdered whiting
35-40 parts of elastic emulsion
0.2-0.4 parts of preservative
1-1.5 parts of ethylene glycol
1-1.2 parts of coalescents
0.5-1 parts of anti-staining agent
0.1-0.2 parts of levelling agent
3-5 parts of thickener.
2. functional elasticity coating as described in claim 1, which is characterized in that the coalescents are lauryl alcohol ester.
3. functional elasticity coating as described in claim 1, which is characterized in that the anti-staining agent is organosiloxane class anti-pollution
Agent.
4. functional elasticity coating as described in claim 1, which is characterized in that the levelling agent is polyurethane levelling agent.
5. a kind of preparation method of any one of claim 1-4 functional elasticity coating, which is characterized in that including walking as follows
Suddenly：
Water is added in S1 in a stirring kettle, and hydroxyethyl cellulose is added while stirring under 300-500 revs/min of rotating speed, stirs 3-
5 minutes；
S2 sequentially adds dispersant, and wetting agent, pH adjusting agent, stirring, mixing speed is 500-800 revs/min, and mixing time is
5-10 minutes；
S3, adjustment rotating speed is 1000-1200 revs/min, sequentially adds titanium dioxide and powdered whiting, is stirred 20-25 minutes；
S4, adjustment rotating speed is 300-500 revs/min, sequentially adds elastic emulsion, ethylene glycol, coalescents, preservative, anti-staining agent,
Levelling agent, thickener stir evenly.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710282006.6A CN108795132A (en) | 2017-04-26 | 2017-04-26 | A kind of functional elasticity coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710282006.6A CN108795132A (en) | 2017-04-26 | 2017-04-26 | A kind of functional elasticity coating and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62267377A (en) * | 1986-05-16 | 1987-11-20 | Seven Chem:Kk | Flame-retardant rubbery elastic finishing coating material for interior and exterior use |
| CN105400346A (en) * | 2015-12-07 | 2016-03-16 | 三棵树涂料股份有限公司 | Elastic texture paint and preparation method thereof |
-
2017
- 2017-04-26 CN CN201710282006.6A patent/CN108795132A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62267377A (en) * | 1986-05-16 | 1987-11-20 | Seven Chem:Kk | Flame-retardant rubbery elastic finishing coating material for interior and exterior use |
| CN105400346A (en) * | 2015-12-07 | 2016-03-16 | 三棵树涂料股份有限公司 | Elastic texture paint and preparation method thereof |
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Application publication date: 20181113 |