CN112280396B - High-covering washable one-time painting waterborne interior wall paint - Google Patents
High-covering washable one-time painting waterborne interior wall paint Download PDFInfo
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- CN112280396B CN112280396B CN202011125146.0A CN202011125146A CN112280396B CN 112280396 B CN112280396 B CN 112280396B CN 202011125146 A CN202011125146 A CN 202011125146A CN 112280396 B CN112280396 B CN 112280396B
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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
- C09D131/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
- C09D131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09D131/04—Homopolymers or copolymers of vinyl acetate
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- 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 relates to a high-coverage washing-resistant one-time-coating aqueous interior wall paint which comprises hydroxyethyl cellulose, hydrophobically modified hydroxyethyl cellulose, a rheological aid, an alkali swelling thickener, a tertiary acetate emulsion, alcohol ester twelve, a silicone aid and water. The high-covering wash-resistant one-time-applied water-based interior wall paint disclosed by the invention has excellent storage property and transportation property; the paint film can be endowed with excellent fullness and leveling property; the product of the invention has excellent covering power, washing resistance and film forming property, the contrast ratio is more than 0.99, the washing resistance is more than 2 ten thousand times, the low-temperature film forming of a 750 mu m wet film has no cracking, and the product has the characteristics of excellent covering power, scratch resistance and no cracking of a paint film applied once; the product of the invention has simple application and low manufacturing cost, is easy to be accepted by common consumers and has wide market prospect.
Description
Technical Field
The invention relates to the technical field of building coatings, in particular to a high-covering washable once-applied waterborne interior wall paint.
Background
The water-based interior wall paint has the characteristics of simple and convenient coating, excellent performance, no toxicity and environmental protection, occupies the domination in the field of interior wall decoration in China, and has the market share of at least more than 70 percent. The common water-based interior wall paint needs to be applied for three times to achieve good effect, namely one bottom and two sides. However, the labor cost is higher and higher, and the application is carried out for three times, so that the time of the owner is prolonged, and although the product for applying the water-based interior wall paint for one time exists in the market at present, four major defects are commonly existed: firstly, the covering power is poor, the contrast ratio of the product of the existing one-time coating technology only reaches 0.95 required by the high-class product in the GB/T9756 standard, and then the contrast ratio is difficult to realize by lifting up, however, the problems of bottom penetration and poor covering are easy to occur in one-time coating compared with the common three-time coating; secondly, the paint has poor washing and brushing resistance, and compared with the water-based interior wall paint adopting the common three-time painting process, the product painted once in the prior art has the problems of thin paint film, insufficient fullness and poor wear resistance after painting; thirdly, thick coating is easy to crack, and in order to realize that the hand feeling of a paint film applied once has enough fullness, the prior technical product has the phenomenon of roller coating cracking, and is particularly obvious in thick coating; fourth, the cost is high, and in order to achieve high covering power and high scrubbing resistance, more titanium dioxide and emulsion are generally used, so that the manufacturing cost is high, and the titanium dioxide and emulsion are not popular with common consumers. It is therefore of great importance to develop a high-hiding, wash-resistant aqueous interior wall paint in one application pass.
Disclosure of Invention
In view of the deficiencies of the prior art, it is an object of the present invention to provide a high hiding, wash resistant, one-pass application of an aqueous interior wall paint. The high-covering washable once-applied waterborne interior wall paint disclosed by the invention has the characteristics of high viscosity and high thixotropy in the can, and can be enabled to have excellent storage property and transportation property; secondly, the product has high rheological property and coating performance, and can endow a paint film with excellent fullness and leveling property; the product of the invention has excellent covering power, washing resistance and film forming property, the contrast ratio is more than 0.99, the washing resistance is more than 2 ten thousand times, the low-temperature film forming of a 750 mu m wet film has no cracking, and the product has the characteristics of excellent covering power, scratch resistance and no cracking of a paint film applied once; finally, the product of the invention is simple to apply, can be directly applied without dilution, or can be applied by diluting with clear water less than or equal to 8% according to the circumstances, has low manufacturing cost, is easy to be accepted by common consumers, and has wide market prospect.
The invention is realized by the following technical means:
the high-covering washable one-pass-painting water-based interior wall paint comprises the following components in parts by mass:
further, the high hiding wash resistant one-pass applied aqueous interior wall paint further comprises other ingredients selected from one or more of wetting agents, dispersants, titanium dioxide, ground calcium carbonate, calcined kaolin, or additives.
Further, the additive comprises one or more of ethylene glycol, a defoamer, 2-amino-2 methyl-1-propanol, or a bactericide.
Further, the hydrophobic hydroxyl-modified ethylcellulose was Natrosol plus550 from ashland corporation.
Further, the hydroxyethyl cellulose has a number average molecular weight of 7.5X 105-8.5×105。
Further, the rheological aid is RD of birk chemistry.
Further, the alkali swelling thickener is TT935 of dow chemical.
Further, the vinyl acetate-tert emulsion is an aqueous polymer resin containing vinyl acetate and vinyl versatate as comonomers.
Further, the dispersant is selected from a polycarboxylate or a polyacrylate.
Further, the organic silicon auxiliary agent is polysiloxane.
The invention has the beneficial effects that:
(1) the high-covering washable once-applied waterborne interior wall paint has the characteristics of high viscosity and high thixotropy in can interior appearance, and can be stably stored and transported.
(2) According to the invention, by adopting the complex design of the rheological system and the thickening system of the hydroxyethyl cellulose, the hydrophobically modified hydroxyethyl cellulose, the rheological additive and the alkali swelling thickener, the paint sample has very good fluidity under high shear, the construction of the paint sample is facilitated, and the paint sample has very good low shear viscosity under low shear, so that the storage of the paint sample is facilitated; and the vinyl acetate-tert-emulsion is selected as one of film forming substances, so that although the paint-like viscosity is high, the paint-like viscosity has excellent application performance with high rheological property, and a paint film can be endowed with excellent fullness and leveling property.
(3) The organic silicon auxiliary agent added in the invention is used as a reinforcing agent, and can generate a synergistic reaction with the film forming system (dodecyl acetate-tert-emulsion and dodecyl alcohol ester complex) in the invention, so that the washing resistance of the product is greatly improved, and the washing resistance can exceed 2 ten thousand times; in addition, the invention endows the product with the characteristic of high covering power through a preferable powder and emulsion matching system, and the contrast ratio of the product exceeds 0.99.
(4) According to the invention, through the film forming system design of selecting the low film forming temperature of the tertiary acetate emulsion and the high addition amount of the alcohol ester for compounding, the product has excellent film forming property, can normally form a film under the conditions of thick coating and low temperature, and ensures that a paint film has excellent hand feeling after being coated once.
(5) The product of the invention has simple application, can be directly applied without dilution, or can be diluted and applied by clear water with the concentration less than or equal to 8 percent according to the situation, has low manufacturing cost, is cheaper by more than 20 percent than the product of the prior art, is easy to be accepted by common consumers, and has wide market prospect.
Detailed Description
In order that the invention may be better understood, reference will now be made to the following examples. The scope of the invention is not limited to the embodiments of the invention. Unless otherwise noted, the ingredients and test methods mentioned in the examples of this patent disclosure are conventional methods known to those skilled in the art.
The hydroxyethyl cellulose has the number average molecular weight of 7.5 multiplied by 105-8.5×105。
The hydrophobically modified hydroxyethyl cellulose was purchased from ashland corporation, model Natrosol plus 550;
the rheological additive is purchased from Pico chemistry and has the model number of RD;
the alkali swelling thickener is purchased from Dow chemical and has the model number of TT 935;
the acetic acid emulsion is vinyl acetate-vinyl versatate copolymer, purchased from Shanghai Baolijia chemical industry Co., Ltd, and has the model of BLJ-3329;
the polysiloxane was purchased from Michigan advanced materials Co., Ltd, model number A-187;
the mineral oil defoaming agent is purchased from Pico chemistry and has the model of BYK-23159;
the silicone defoamer was purchased from basf chemical and was model ST 2410 AC.
Example 1
The high-covering washable one-pass-painting water-based interior wall paint comprises the following components in parts by mass:
the preparation method of the high-covering washable and washable one-time-applied waterborne interior wall paint comprises the following steps:
(1) according to the mass parts, adding hydroxyethyl cellulose, Natrosol plus550 and RD into water, uniformly mixing, then sequentially and slowly adding ethylene glycol, 2-amino-2-methyl-1-propanol, a mineral oil defoaming agent, a wetting agent sodium alkyl succinate and a dispersant sodium polycarboxylate, and uniformly stirring and dispersing at 500 r/min;
(2) then according to the mass parts, slowly adding titanium dioxide, heavy calcium carbonate and calcined kaolin in sequence, and stirring and dispersing uniformly at 2000 r/min;
(3) and then slowly adding the acer-tert-emulsion according to the mass parts, stirring and dispersing uniformly at 900r/min, sequentially adding the alcohol ester dodeca, the washing and brushing resistant reinforcing agent polysiloxane, the alkali swelling thickener TT935, the bactericide 1, 2-benzisothiazolin-3-one and the organic silicon defoamer, and stirring uniformly at 900r/min to obtain the finished product.
Example 2
The high-covering washable one-pass-painting water-based interior wall paint comprises the following components in parts by mass:
the preparation method of the high-covering washable and washable one-time-applied waterborne interior wall paint comprises the following steps:
(1) according to the mass parts, hydroxyethyl cellulose, Natrosol plus550 and RD are added into water and uniformly mixed, then ethylene glycol, 2-amino-2-methyl-1-propanol, a mineral oil defoaming agent, a wetting agent sodium alkyl succinate and a dispersant sodium polycarboxylate are sequentially and slowly added, and the mixture is uniformly stirred and dispersed at the speed of 800 r/min;
(2) then according to the mass parts, slowly adding titanium dioxide, heavy calcium carbonate and calcined kaolin in sequence, and stirring and dispersing uniformly at 2500 r/min;
(3) and then slowly adding the acer-tert-emulsion according to the mass parts, stirring and dispersing uniformly at 900r/min, sequentially adding the alcohol ester dodeca, the washing and brushing resistant reinforcing agent polysiloxane, the alkali swelling thickener TT935, the bactericide 1, 2-benzisothiazolin-3-one and the organic silicon defoamer, and stirring uniformly at 1200r/min to obtain the finished product.
Example 3
The high-covering washable one-pass-painting water-based interior wall paint comprises the following components in parts by mass:
the preparation method of the high-covering washable and washable one-time-applied waterborne interior wall paint comprises the following steps:
(1) according to the mass parts, adding hydroxyethyl cellulose, Natrosol plus550 and RD into water, uniformly mixing, then sequentially and slowly adding ethylene glycol, 2-amino-2-methyl-1-propanol, a mineral oil defoaming agent, a wetting agent sodium alkyl succinate and a dispersant sodium polycarboxylate, and uniformly stirring and dispersing at 650 r/min;
(2) then according to the mass parts, slowly adding titanium dioxide, heavy calcium carbonate and calcined kaolin in sequence, and stirring and dispersing uniformly at 1500 r/min;
(3) and then slowly adding the acer-tert-emulsion according to the mass parts, stirring and dispersing uniformly at 900r/min, sequentially adding the alcohol ester dodeca, the washing and brushing resistant reinforcing agent polysiloxane, the alkali swelling thickener TT935, the bactericide 1, 2-benzisothiazolin-3-one and the organic silicon defoamer, and stirring uniformly at 600r/min to obtain the finished product.
Comparative example
In the comparative example, the interior wall paint is prepared from the following components in parts by mass: 18 parts of water, 0.23 part of hydroxyethyl cellulose, 0.1 part of bentonite, 0.1 part of ammonia water, 0.3 part of wetting agent polyethoxy nonyl phenol, 0.7 part of dispersant polyacrylic acid sodium salt, 0.3 part of defoaming agent, 3 parts of diatomite, 15 parts of titanium dioxide, 4 parts of talcum powder, 9 parts of calcined kaolin, 3 parts of 800-mesh heavy calcium, 0.6 part of alcohol ester dodeca, 0.8 part of propylene glycol, 16 parts of styrene-acrylic emulsion and 0.8 part of formaldehyde.
Test example
According to the technical requirements of GB/T9756-2018 synthetic resin emulsion exterior wall coatings, the samples of examples 1-3 and comparative example are tested for various technical indexes. Wherein the content of the first and second substances,
viscosity test method: firstly, mixing a sample and water in advance according to a mass ratio of 10:1, then adjusting the temperature of the sample to 25 ℃, and testing by using a stormer viscometer; the low-temperature film forming property test method comprises the following steps: placing the sample on a black and white paper card, scraping the sample by using a wet film preparation device with the thickness of 750 mu m to prepare a sample, then placing the prepared wet film in a refrigerator at the temperature of 5 ℃ for curing for 24 hours, and finally observing the film forming property of the surface of a paint film;
the contrast ratio test method comprises the following steps: the method is carried out according to the regulation of GB/T23981-2009;
method for testing scrub resistance: the method is carried out according to the regulation of GB/T9266-2009;
the test method of low-temperature stability comprises the following steps: performing 3-cycle tests according to the method A in GB/T9268-2008;
test method for heat storage: putting the main paint sample into a plastic or glass container (the height is not less than 130mm) with the volume of about 1L, putting the main paint sample into 2/3 of the container, sealing the container, putting the container into a constant temperature box with the temperature of 50 +/-2 ℃, taking the container out after 30 days, putting the container to room temperature, opening a container cover, slightly stirring the sample, and observing the change of the sample;
test method for applicability: using a roller at 2m2The wall surface is coated with the sample by the roller, the running state of the roller is observed, and the effect of the wall surface paint film after the roller coating is finished is observed;
the method for testing the hand feeling of the paint film comprises the following steps: and (4) judging the film forming effect of the paint film by touching with hands after the paint sample is applied on the wall surface and dried for 24 hours.
The test results obtained are given in table 1 below.
TABLE 1 technical indices of examples 1-3 and comparative samples
As can be seen from the above Table 1, the high-covering wash-resistant one-time-applied waterborne interior wall paint of the invention has the characteristics of high viscosity, high thixotropy and excellent storage stability in a can state, and has stable storage property and transportation property; secondly, the product of the invention has very excellent covering power, washing resistance and film forming property, the contrast ratio exceeds 0.99, the washing resistance exceeds 2 ten thousand times, the low-temperature film forming of a 750 mu m wet film is free from cracking, and the product has the characteristics of excellent covering power, scratch resistance and no cracking after the paint film is coated and applied once; the product of the invention has high rheological property and coating performance, and the paint film has excellent fullness and leveling property; finally, the product of the invention is simple to apply, can be directly applied without dilution, or can be applied by diluting with clear water less than or equal to 8 percent according to the circumstances, has low manufacturing cost, is cheaper than the product of the prior art by more than 20 percent, is easy to be accepted by common consumers, and has wide market prospect.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (6)
1. The one-pass-application water-based interior wall paint with high covering and washing resistance is characterized by comprising the following components in parts by weight:
the hydrophobically modified hydroxyethyl cellulose is Natrosol plus550 from ashland corporation;
the vinyl acetate-tert-emulsion is aqueous polymer resin which takes vinyl acetate and vinyl versatate as comonomers;
the organic silicon auxiliary agent is A-187 of Ma high-tech materials Co.
2. The high-coverage wash-resistant one-pass-applied aqueous interior wall paint according to claim 1, wherein the high-coverage wash-resistant one-pass-applied aqueous interior wall paint further comprises other ingredients selected from one or more of wetting agents, dispersants, titanium dioxide, ground limestone, calcined kaolin, or additives; the additive comprises one or more of ethylene glycol, a defoamer, 2-amino-2 methyl-1-propanol or a bactericide.
3. The high hiding scrub resistant one pass aqueous interior wall paint of claim 1 wherein said hydroxyethylcellulose has a number average molecular weight of 7.5 x 105-8.5×105。
4. The high hiding wash resistant one-pass applied aqueous interior wall paint of claim 1 wherein said rheology aide is RD of beck chemical.
5. The high hiding wash durable one-pass applied aqueous interior wall paint of claim 1 wherein said alkali swell thickener is TT935 of dow chemistry.
6. The high hiding scrub resistant one pass application waterborne interior wall paint of claim 2, wherein said dispersant is selected from the group consisting of polycarboxylates.
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