NL2029446B1 - Water-based anti-carbonization coating - Google Patents

Water-based anti-carbonization coating Download PDF

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Publication number
NL2029446B1
NL2029446B1 NL2029446A NL2029446A NL2029446B1 NL 2029446 B1 NL2029446 B1 NL 2029446B1 NL 2029446 A NL2029446 A NL 2029446A NL 2029446 A NL2029446 A NL 2029446A NL 2029446 B1 NL2029446 B1 NL 2029446B1
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Netherlands
Prior art keywords
water
parts
based anti
carbonization coating
carbonization
Prior art date
Application number
NL2029446A
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Dutch (nl)
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NL2029446A (en
Inventor
Luo Xianrong
Yu Jianhua
Hu Aigen
Original Assignee
Hangzhou Gesan Decoration Mat Co Ltd
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Publication date
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Priority to NL2029446A priority Critical patent/NL2029446B1/en
Publication of NL2029446A publication Critical patent/NL2029446A/en
Application granted granted Critical
Publication of NL2029446B1 publication Critical patent/NL2029446B1/en

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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
    • C09D5/02—Emulsion paints including aerosols
    • C09D5/024—Emulsion paints including aerosols characterised by the additives
    • 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
    • C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • 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
    • C09D7/45—Anti-settling agents
    • 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
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/42—Block-or graft-polymers containing polysiloxane sequences
    • C08G77/46—Block-or graft-polymers containing polysiloxane sequences containing polyether sequences
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

The present disclosure discloses a water-based anti-carbonization coating, which is prepared from raw materials including the following components in parts by mass: 27 to 29 parts of deionized water, 10 to 12 parts of a dispersing wetting auxiliary, 354 to 356 parts ofa filler, 549 to 551 parts ofa specially modified acrylic resin, 10 to 11 parts of a hydrophobic agent, 40 to 41 parts of a functional auxiliary, and 4.1 to 4.3 parts of a sterilization preservative. The water-based anti-carbonization coating in the present disclosure has very good performances of weather resistance, chalking resistance, stain resistance, alkali resistance, acid rain resistance, water resistance and scrub resistance, and requires no additional crosslinking agent or high-temperature baking due to its unique property of normal-temperature curing and self-crosslinking. The present disclosure is conducive to the mass production, simple in process, safe, environmentally protective and environmentally friendly.

Description

WATER-BASED ANTI-CARBONIZATION COATING TECHNICAL FIELD
[01] The present disclosure relates to the technical field of anti-carbonization coating materials for building facades, and in particular to a water-based anti-carbonization coating.
BACKGROUND ART
[02] The carbonization of concrete, also called carbonation, refers to the reaction of CO; from the moist air diffusing and intruding into the concrete to react with calcium hydroxide to generate calcium carbonate. The carbonization is also called neutralization in a broad sense, that is, any acidic gas which can neutralize with Ca(OH)», such as SO», SOs, HsS and even gas-phase HCI, may cause the neutralizing reaction above to reduce the alkalinity of concrete.
[03] Carbonization protective agents are coated on the surfaces of structures such as concrete and masonry, and penetrate and diffuse into the structures to block the water passages, achieving an ideal waterproof effect. Meanwhile, the carbonization protective agents may also protect the structures from the corrosion of acids, alkalis, various oils and fats, industrial chemicals, salts and the like, and from the destruction of highly corrosive environments such as freeze-thaw and deicing salts, improving the durability of the surfaces, enhancing the tolerance of concrete, and increasing the brightness of the surface colors. However, many coatings still have defects in performance.
SUMMARY
[04] In order to overcome the performance problem of common water-based acrylate coatings for the exterior walls currently, the present disclosure provides a water-based anti-carbonization coating, which is prepared by using a specially modified acrylic resin supplemented with various special functional auxiliaries and powders, with a desirable combination of well-designed formulations and advanced production processes, so that the paint film finally formed has excellent performances of weather resistance, chalking resistance, stain resistance, alkali resistance, acid rain resistance, water resistance and scrub resistance, after the moisture in the coating volatilizes.
[05] In order to achieve the above object, the present disclosure provides the following technical solutions: a water-based anti-carbonization coating, being prepared from raw materials comprising the following components in parts by mass: 27 to 29 parts of deionized water, 10 to 12 parts of a dispersing wetting auxiliary, 354 to 356 parts of a filler, 549 to 551 parts of a specially modified acrylic resin, 10 to 11 parts of a hydrophobic agent, 40 to 41 parts of a functional auxiliary, and 4.1 to 4.3 parts of a sterilization preservative.
[06] In some embodiments, the deionized water is soft water treated by an exchange resin.
[07] In some embodiments, the specially modified acrylic resin is a water-based film forming material synthesized by a polymerization process of core-shell structure self- crosslinking.
[08] In some embodiments, the dispersing wetting auxiliary is glycerol monostearate HTG-polyoxyethylene alkylated ether.
[09] In some embodiments, the filler is rutile titanium dioxide CR501 made by a chlorination process.
[10] In some embodiments, the hydrophobic agent is polydimethylsiloxane (PDMS).
[11] In some embodiments, the functional auxiliary is polyether-modified polysiloxane copolymer LK-600.
[12] In some embodiments, the sterilization preservative is 1,2-benzisothiazolin- 3(2H)-one (BIT).
[13] A method for preparing the water-based anti-carbonization coating is provided, comprising: (1) adding the deionized water to a device, adding the dispersing wetting auxiliary under medium-speed stirring, and after medium-speed stirring for 10 min, adjusting to high-speed dispersing and adding the filler; after high-speed dispersing for min, adjusting to medium-speed stirring, adding the specially modified acrylic resin and continuing stirring for 20 min; and (2) adding sequentially the hydrophobic agent, the functional auxiliary and the sterilization preservative to the device under stirring, and continuing stirring for 10 min to obtain the water-based anti-carbonization coating.
[14] The water-based anti-carbonization coating in the present disclosure has very good performances of weather resistance, chalking resistance, stain resistance, alkali resistance, acid rain resistance, water resistance and scrub resistance, and requires no additional crosslinking agent or high-temperature baking due to its unique property of curing and self-crosslinking at normal temperature. The disclosure is conducive to mass production, simple in process, safe, environmentally protective and environmentally friendly.
DETAILED DESCRIPTION OF THE EMBODIMENTS
[15] A water-based anti-carbonization coating is provided, which is prepared from the following raw materials in parts by mass: 27 to 29 parts of deionized water, 10 to 12 parts of a dispersing wetting auxiliary, 354 to 356 parts of a filler, 549 to 551 parts of a specially modified acrylic resin, 10 to 11 parts of a hydrophobic agent, 40 to 41 parts of a functional auxiliary, and 4.1 to 4.3 parts of a sterilization preservative.
[16] The deionized water is soft water treated by an exchange resin; the specially modified acrylic resin is a water-based film forming material synthesized by a polymerization process of core-shell structure self-crosslinking; the dispersing wetting auxiliary is glycerol monostearate HTG-polyoxyethylene alkylated ether; the filler is rutile titanium dioxide CR501 made by a chlorination process; the hydrophobic agent is polydimethylsiloxane (PDMS); the functional auxiliary is polyether-modified polysiloxane copolymer LK-600; and the sterilization preservative is 1,2- benzisothiazolin-3(2H)-one (BIT).
[17] A specific procedure of preparing the water-based anti-carbonization coating is performed as follows: 28 parts by mass of the deionized water is added to a device, 12 parts by mass of the dispersing wetting auxiliary is added thereto under medium-speed stirring, and after medium-speed stirring for 10 min, the device is adjusted to high-speed dispersing and 355 parts by mass of the filler is added; after high-speed dispersing for
30 min, the device is adjusted to medium-speed stirring, and 550 parts by mass of the specially modified acrylic resin is added thereto and continued to be stirred for 20 min;
and 10.5 parts by mass of the hydrophobic agent, 40.3 parts by mass of the functional auxiliary and 4.2 parts by mass of the sterilization preservative are added sequentially to the device under stirring and continued to be stirred for 10min to obtain the water-based anti-carbonization coating.

Claims (9)

-5- Conclusies l. Op water gebaseerde anti-carbonisatiebekleding, waarbij de op water gebaseerde anti-carbonisatiebekleding bereid is uit grondstoffen die de volgende componenten in massadelen omvatten: 27 — 29 delen gedeioniseerd water; — 12 delen van een dispergerende bevochtigingshulpstof, 354 — 356 delen van een vulstof, 549 — 551 delen van een speciaal gemodificeerde acrylhars; 10 10 — 11 delen van een hydrofoob middel; 40 — 41 delen van een functionele hulpstof, en 4,1 — 4,3 delen van een sterilisatieconserveringsmiddel.-5- Conclusions l. Water-based anti-carbonization coating, wherein the water-based anti-carbonization coating is prepared from raw materials comprising the following components in parts by mass: 27 — 29 parts of deionized water; — 12 parts of a dispersing wetting aid, 354 — 356 parts of a filler, 549 — 551 parts of a specially modified acrylic resin; 10 10 — 11 parts of a hydrophobic agent; 40 - 41 parts of a functional excipient, and 4.1 - 4.3 parts of a sterilization preservative. 2. Op water gebaseerde anti-carbonisatiebekleding volgens conclusie 1, waarbij het gedeïoniseerde water zacht water is dat behandeld is door een uitwisselingshars.The water-based anti-carbonization coating of claim 1, wherein the deionized water is soft water treated by an exchange resin. 3. Op water gebaseerde anti-carbonisatiekleding volgens conclusie 1, waarbij de speciaal gemodificeerde acrylhars een op water gebaseerd filmvormend materiaal is dat gesynthetiseerd is door een polymerisatieproces met een zelfdwarsverbindende structuur met kern en schil.The water-based anti-carbonization clothing of claim 1, wherein the specially modified acrylic resin is a water-based film-forming material synthesized by a polymerization process having a core-shell self-crosslinking structure. 4. Op water gebaseerde anti-carbonisatiebekleding volgens conclusie 1, waarbij de dispergerende bevochtigingshulpstof glycerolmonostearaat-HTG-polyoxyethyleen gealkyleerd ether is.The water-based anti-carbonization coating of claim 1, wherein the dispersing wetting aid is glycerol monostearate-HTG-polyoxyethylene alkylated ether. 5. Op water gebaseerde anti-carbonisatiebekleding volgens conclusie 1, waarbij de vulstof een rutiel titaniumdioxide CR501 is dat gemaakt is door een chlorinatieproces.The water-based anti-carbonization coating of claim 1, wherein the filler is a rutile titanium dioxide CR501 made by a chlorination process. 6. Op water gebaseerde anti-carbonisatiebekleding volgens conclusie 1, waarbij het hydrofobe middel polydimethylsiloxaan (PDMS) is.The water-based anti-carbonization coating of claim 1, wherein the hydrophobic agent is polydimethylsiloxane (PDMS). 7. Op water gebaseerde anti-carbonisatiebekleding volgens conclusie 1, waarbij de functionele hulpstof polyether-gemodificeerd polysiloxaancopolymeer LK-600 is.The water-based anti-carbonization coating of claim 1, wherein the functional additive is polyether-modified polysiloxane copolymer LK-600. -6--6- 8. Op water gebaseerde anti-carbonisatiebekleding volgens conclusie 1, waarbij het sterilisatieconserveringsmiddel 1,2-benzisothiazonline-3(2H)-on (BIT) is.The water-based anti-carbonization coating of claim 1, wherein the sterilization preservative is 1,2-benzisothiazonline-3(2H)-one (BIT). 9. Op water gebaseerde anti-carbonisatiebekleding volgens één van de conclusies 1 — 8, waarbij een werkwijze voor het bereiden van de op water gebaseerde anti- carbonisatiebekleding het volgende omvat: (1) het toevoegen van het gedeïoniseerde water aan een inrichting, het toevoegen van de dispergerende bevochtigingshulpstof tijdens roeren op middelmatige snelheid, en na het roeren op middelmatige snelheid gedurende 10 min, het aanpassen naar dispergeren op hoge snelheid en toevoegen van de vulstof, na het dispergeren op hoge snelheid gedurende 30 min, het aanpassen naar roeren op middelmatige snelheid, het toevoegen van de speciaal gemodificeerde acrylhars en het voortzetten van het roeren gedurende 20 min; en (2) het sequentieel toevoegen van het hydrofobe middel, de functionele hulpstof en het sterilisatieconserveringsmiddel aan de inrichting tijdens roeren, en het voortzetten van het roeren gedurende 10 min om de op water gebaseerde anti-carbonisatiebekleding te verkrijgen.The water-based anti-carbonization coating of any one of claims 1 to 8, wherein a method of preparing the water-based anti-carbonization coating comprises: (1) adding the deionized water to a device, adding of the dispersing wetting aid during medium speed stirring, and after medium speed stirring for 10 min, adjusting to high speed dispersing and adding the filler, after high speed stirring for 30 min, adjusting to medium speed stirring speed, adding the specially modified acrylic resin and continuing the stirring for 20 min; and (2) sequentially adding the hydrophobic agent, the functional adjuvant, and the sterilization preservative to the device while stirring, and continuing the stirring for 10 minutes to obtain the water-based anti-carbonization coating.
NL2029446A 2021-10-18 2021-10-18 Water-based anti-carbonization coating NL2029446B1 (en)

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NL2029446B1 true NL2029446B1 (en) 2021-12-01

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