CN113913059A - Fireproof interior wall coating with magnetic function and preparation method thereof - Google Patents
Fireproof interior wall coating with magnetic function and preparation method thereof Download PDFInfo
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- CN113913059A CN113913059A CN202111375842.1A CN202111375842A CN113913059A CN 113913059 A CN113913059 A CN 113913059A CN 202111375842 A CN202111375842 A CN 202111375842A CN 113913059 A CN113913059 A CN 113913059A
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- 238000000576 coating method Methods 0.000 title claims abstract description 40
- 239000011248 coating agent Substances 0.000 title claims abstract description 39
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title description 6
- 239000000839 emulsion Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000006185 dispersion Substances 0.000 claims description 47
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 32
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 28
- 239000002518 antifoaming agent Substances 0.000 claims description 14
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 14
- 239000004408 titanium dioxide Substances 0.000 claims description 14
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 13
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 13
- 239000001095 magnesium carbonate Substances 0.000 claims description 13
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 13
- 239000002562 thickening agent Substances 0.000 claims description 13
- 238000009736 wetting Methods 0.000 claims description 12
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 11
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 11
- 239000002270 dispersing agent Substances 0.000 claims description 11
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 11
- 239000003755 preservative agent Substances 0.000 claims description 11
- 230000002335 preservative effect Effects 0.000 claims description 11
- 239000007798 antifreeze agent Substances 0.000 claims description 10
- 239000003063 flame retardant Substances 0.000 claims description 10
- PEDCQBHIVMGVHV-UHFFFAOYSA-N glycerol group Chemical group OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical group CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 claims description 4
- 239000002105 nanoparticle Substances 0.000 claims description 4
- 229920000058 polyacrylate Polymers 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 229940058020 2-amino-2-methyl-1-propanol Drugs 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229920003086 cellulose ether Polymers 0.000 claims description 3
- BEGLCMHJXHIJLR-UHFFFAOYSA-N methylisothiazolinone Chemical compound CN1SC=CC1=O BEGLCMHJXHIJLR-UHFFFAOYSA-N 0.000 claims description 3
- 239000002480 mineral oil Substances 0.000 claims description 3
- 235000010446 mineral oil Nutrition 0.000 claims description 3
- 229920001523 phosphate polymer Polymers 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical class [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 3
- NJVOHKFLBKQLIZ-UHFFFAOYSA-N (2-ethenylphenyl) prop-2-enoate Chemical compound C=CC(=O)OC1=CC=CC=C1C=C NJVOHKFLBKQLIZ-UHFFFAOYSA-N 0.000 claims description 2
- 229940100555 2-methyl-4-isothiazolin-3-one Drugs 0.000 claims description 2
- 229940100484 5-chloro-2-methyl-4-isothiazolin-3-one Drugs 0.000 claims description 2
- 229920002125 Sokalan® Polymers 0.000 claims description 2
- 150000003863 ammonium salts Chemical class 0.000 claims description 2
- DHNRXBZYEKSXIM-UHFFFAOYSA-N chloromethylisothiazolinone Chemical compound CN1SC(Cl)=CC1=O DHNRXBZYEKSXIM-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000004584 polyacrylic acid Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012216 screening Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 6
- 239000003973 paint Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000002265 prevention Effects 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 239000000049 pigment Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 230000002528 anti-freeze Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241000544076 Whipplea modesta Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- HXHCOXPZCUFAJI-UHFFFAOYSA-N prop-2-enoic acid;styrene Chemical class OC(=O)C=C.C=CC1=CC=CC=C1 HXHCOXPZCUFAJI-UHFFFAOYSA-N 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
-
- 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
- C09D125/00—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 aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- 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
- C09D5/23—Magnetisable or magnetic paints or lacquers
-
- 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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to a fireproof interior wall coating with a magnetic function, which consists of the following raw materials: the invention develops the effects with magnetic and fireproof functions by screening various emulsions and auxiliaries and researching the dosage ratio, and has the characteristics of convenient construction, good safety and the like.
Description
Technical Field
The invention relates to the field of coatings, in particular to a fireproof interior wall coating with a magnetic function and a preparation method thereof.
Background
Along with social development, houses with higher and higher living standard of people are built higher and higher. With the popularization of high-rise and super high-rise buildings, the requirement on fire prevention is higher and higher. Once a fire occurs in a high-rise building, the life of the high-rise building is very threatened. Therefore, the demand for the coating is also higher, and the coating is required to have a fire-retardant function.
Technical problem to be solved
In order to solve the above problems in the prior art, the present invention provides a fireproof interior wall coating with magnetic function and a preparation method thereof.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
a fireproof interior wall coating with a magnetic function is composed of the following raw materials in parts by weight:
further, the pH regulator is 2-amino-2-methyl-1-propanol.
Further, the hydroxyethyl cellulose is a non-ionic water-soluble cellulose ether.
Further, the preservative is a mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one in any proportion; the wetting dispersant is polyacrylic acid ammonium salt or sodium polyacrylate salt; the defoaming agent is mineral oil or organic silicon defoaming agent.
Further, the titanium dioxide is rutile type titanium dioxide; the calcium carbonate is heavy calcium carbonate.
Further, the ferroferric oxide is spherical nano particles with uniform size; the flame retardant is a phosphate polymer.
Further, the emulsion is a styrene acrylate polymer.
Further, the antifreeze is a glycerol ethoxylate antifreeze; the thickening agent is an associated polyurethane thickening agent.
A preparation method of a fireproof interior wall coating with a magnetic function comprises the following steps:
characterized by comprising the following steps:
step a, adding 21-25.75 parts of water into a dispersion cylinder, sequentially adding 0.15-0.3 part of PH regulator and 0.5-0.7 part of hydroxyethyl cellulose, controlling the rotation speed of the dispersion cylinder at 350r/min, and continuously dispersing for 5-7 min;
b, slowly adding 0.3-0.4 part of preservative, 0.8-1.1 part of wetting dispersant and 0.5-0.6 part of defoaming agent, adjusting the rotating speed of a dispersion cylinder to 350-450r/min, and continuously dispersing for 4-8 min;
c, sequentially adding 8-14 parts of titanium dioxide, 20-26 parts of calcium carbonate, 8-12 parts of magnesium carbonate and 6-9 parts of ferroferric oxide, adjusting the rotating speed of a dispersion cylinder to 1200-1500r/min, and continuously dispersing for 15-20 min;
d, keeping the rotating speed of the dispersion cylinder at 500-;
and e, reducing the rotating speed of the dispersion cylinder to below 450-.
(III) advantageous effects
The invention has the beneficial effects that: through screening various emulsions and auxiliaries, this powder of adding magnesium carbonate can decompose the production carbon dioxide when high temperature to reach the effect of blocking the burning, fire prevention effect is further strengthened when adding the fire retardant, develops and has magnetism function fire prevention interior wall coating, this product except possessing interior wall emulsion paint function, specially adapted house and official working are decorated, not only can give the environment of safety, the wall that has magnetism simultaneously can give official working, the house brings many benefits.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention by way of specific embodiments thereof.
A fireproof interior wall coating with a magnetic function is composed of the following raw materials in parts by weight:
in this embodiment, the water is deionized water, which serves as a dispersion for dispersing the pigment and filler, and also serves as a carrier for thickening the thickener.
Further, the pH regulator is 2-amino-2-methyl-1-propanol which mainly plays a role in maintaining and regulating the pH value of the whole system.
Further, the hydroxyethyl cellulose is a non-ionic water-soluble cellulose ether, which provides primarily its initial viscosity while providing storage stability for later periods of the coating.
Furthermore, the preservative is a mixture of 5-chloro-2-methyl-4-isothiazoline-3-ketone and 2-methyl-4-isothiazoline-3-ketone in any proportion, and mainly plays a role in corrosion prevention and sterilization on the coating, so that the long-term storage stability of the coating is ensured; the wetting dispersant is ammonium polyacrylate or sodium polyacrylate, is mainly used for quickly wetting a coating system and is beneficial to uniformly dispersing pigment and filler into the system; the defoaming agent is mineral oil or organic silicon defoaming agent, the generation of bubbles in the proofing process is inhibited, the surface tension of the system is changed, the generated bubbles are eliminated, and the compactness of the product system is improved.
Furthermore, the titanium dioxide is rutile titanium dioxide which is mainly used as a pigment filler to fill the coating and improve the glossiness of the coating; the magnesium carbonate mainly plays a role in filling and fire prevention, and when the magnesium carbonate is on fire, the magnesium carbonate is decomposed at high temperature to generate carbon dioxide to block combustion, so that the fire prevention effect is achieved; the calcium carbonate is heavy calcium carbonate, is mainly used as pigment and filler, and plays a role in filling and reducing cost.
Further, the ferroferric oxide is a nanoparticle with a uniform spherical structure in size, the ferroferric oxide has a magnetic effect, and the uniform spherical nanoparticle enables the ferroferric oxide to be more uniform in the whole system, so that the paint film performance is improved, and the particle shape is as follows: spherical shape, oil absorption: 15-20, particle size: 400-500 nm; the flame retardant is a phosphate polymer and mainly plays a flame retardant role, and the phosphorus content is as follows: 10-12% and specific gravity: 1.28-1.31, viscosity: 44-49 Mpa.s.
Further, the emulsion is an anionically modified styrene acrylate polymer.
Furthermore, the antifreeze agent is a glycerol ethoxylate antifreeze agent, so that the storage property of the coating at low temperature is ensured; the thickening agent is an associated polyurethane thickening agent, provides certain leveling property for the coating, and simultaneously changes the viscosity of the product, so that the coating has good application property.
A preparation method of a fireproof interior wall coating with a magnetic function comprises the following steps:
step a, adding 21-25.75 parts of water into a dispersion cylinder, sequentially adding 0.15-0.3 part of PH regulator and 0.5-0.7 part of hydroxyethyl cellulose, controlling the rotation speed of the dispersion cylinder at 350r/min, and continuously dispersing for 5-7 min;
b, slowly adding 0.3-0.4 part of preservative, 0.8-1.1 part of wetting dispersant and 0.5-0.6 part of defoaming agent, adjusting the rotating speed of a dispersion cylinder to 350-450r/min, and continuously dispersing for 4-8 min;
c, sequentially adding 8-14 parts of titanium dioxide, 20-26 parts of calcium carbonate, 8-12 parts of magnesium carbonate and 6-9 parts of ferroferric oxide, adjusting the rotating speed of a dispersion cylinder to 1200-1500r/min, and continuously dispersing for 15-20 min;
d, keeping the rotating speed of the dispersion cylinder at 500-;
and e, reducing the rotating speed of the dispersion cylinder to below 450-.
The raw material brands and models for the following examples are as follows:
pH regulators: adopts the modesty AMP-95 which is sold on the market;
hydroxyethyl cellulose: adopts 250HBR of Asolens, which is commercially available;
preservative: KSG 103ST, a product of Guangdong Dimei biotechnology Co., Ltd, commercially available;
wetting and dispersing agent: rohm and Hass CA-2500, commercially available;
defoaming agent: basf FoamStar ST 2410, commercially available;
titanium dioxide: rutile type R-996 titanium dioxide of the Tetrapython group is commercially available;
calcium carbonate: adopting Guangfu Jian material refinement Co., Ltd CC-1000, which is available on the market;
magnesium carbonate: adopts Hubeixin Rundchemical RD magnesium carbonate which is sold in the market;
ferroferric oxide: adopts the nanometer material science and technology limited XFJ72 of Xiansu Xiancheng, which is sold in the market;
the flame retardant is a Doher605 flame retardant available in the market in Dongguan chemical industry;
an antifreeze agent: FT100 high-boiling antifreeze agent of Rodiya company is adopted and is commercially available;
thickening agent: the Rohm and Hass RM2020 polyurethane thickening agent is adopted and is commercially available.
Example 1
A fireproof interior wall coating with a magnetic function comprises the following specific raw materials in parts by weight:
the manufacturing process comprises the following steps:
(1) adding 25.75 parts of water into a dispersion cylinder, sequentially adding 0.15 part of PH regulator and 0.5 part of hydroxyethyl cellulose, controlling the rotation speed of the dispersion cylinder at 350r/min, and continuously dispersing for 5-7 min;
(2) slowly adding 0.3 part of preservative, 1.1 parts of wetting dispersant and 0.6 part of defoaming agent, adjusting the rotating speed of a dispersion cylinder to 350-450r/min, and continuously dispersing for 4-8 min;
(3) sequentially adding 8 parts of titanium dioxide, 26 parts of calcium carbonate, 12 parts of magnesium carbonate and 6 parts of ferroferric oxide, adjusting the rotating speed of a dispersion cylinder to 1200-1500r/min, and continuously dispersing for 15-20 min;
(4) keeping the rotating speed of the dispersion cylinder at 500-;
(5) and reducing the rotating speed of the dispersion cylinder to below 450-500r/min, adding 1.2 parts of antifreeze agent and 0.4 part of thickening agent, and continuously dispersing for 9-15min in the dispersion cylinder until the system is a uniform white mixture without particles.
Example 2
A fireproof interior wall coating with a magnetic function comprises the following specific raw materials in parts by weight:
the manufacturing process comprises the following steps:
(1) adding 24.85 parts of water into a dispersion cylinder, sequentially adding 0.2 part of PH regulator and 0.55 part of hydroxyethyl cellulose, controlling the rotation speed of the dispersion cylinder at 350r/min, and continuously dispersing for 5-7 min;
(2) slowly adding 0.3 part of preservative, 1 part of wetting dispersant and 0.6 part of defoaming agent, adjusting the rotating speed of a dispersion cylinder to 350-450r/min, and continuously dispersing for 4-8 min;
(3) sequentially adding 10 parts of titanium dioxide, 24 parts of calcium carbonate, 10 parts of magnesium carbonate and 7 parts of ferroferric oxide, adjusting the rotating speed of a dispersion cylinder to 1200-1500r/min, and continuously dispersing for 15-20 min;
(4) keeping the rotating speed of the dispersion cylinder at 500-;
(5) and reducing the rotating speed of the dispersion cylinder to below 450-500r/min, adding 1.1 parts of antifreeze agent and 0.4 part of thickening agent, and continuously dispersing for 9-15min in the dispersion cylinder until the system is a uniform white mixture without particles.
Example 3
The manufacturing process comprises the following steps:
(1) adding 21.05 parts of water into a dispersion cylinder, sequentially adding 0.25 part of PH regulator and 0.6 part of hydroxyethyl cellulose, controlling the rotation speed of the dispersion cylinder at 350r/min, and continuously dispersing for 5-7 min;
(2) slowly adding 0.35 part of preservative, 0.9 part of wetting dispersant and 0.55 part of defoaming agent, adjusting the rotating speed of a dispersion cylinder to 350-450r/min, and continuously dispersing for 4-8 min;
(3) sequentially adding 12 parts of titanium dioxide, 24 parts of calcium carbonate, 9 parts of magnesium carbonate and 8 parts of ferroferric oxide, adjusting the rotating speed of a dispersion cylinder to 1200-1500r/min, and continuously dispersing for 15-20 min;
(4) keeping the rotating speed of the dispersion cylinder at 500-;
(5) and reducing the rotating speed of the dispersion cylinder to below 450-500r/min, adding 1 part of antifreeze agent and 0.3 part of thickening agent, and continuously dispersing for 9-15min by the dispersion cylinder until the system is a uniform white mixture without particles.
Example 4
A fireproof interior wall coating with a magnetic function comprises the following specific raw materials in parts by weight:
the manufacturing process comprises the following steps:
(1) adding 21 parts of water into a dispersion cylinder, sequentially adding 0.3 part of PH regulator and 0.7 part of hydroxyethyl cellulose, controlling the rotation speed of the dispersion cylinder at 350r/min, and continuously dispersing for 5-7 min;
(2) slowly adding 0.4 part of preservative, 0.8 part of wetting dispersant and 0.5 part of defoaming agent, adjusting the rotating speed of a dispersion cylinder to 350-450r/min, and continuously dispersing for 4-8 min;
(3) sequentially adding 14 parts of titanium dioxide, 20 parts of calcium carbonate, 8 parts of magnesium carbonate and 9 parts of ferroferric oxide, adjusting the rotating speed of a dispersion cylinder to 1200-1500r/min, and continuously dispersing for 15-20 min;
(4) keeping the rotating speed of the dispersion cylinder at 500-;
(5) and reducing the rotating speed of the dispersion cylinder to below 450-500r/min, adding 1 part of antifreeze agent and 0.3 part of thickening agent, and continuously dispersing for 9-15min by the dispersion cylinder until the system is a uniform white mixture without particles.
The paint product belongs to the field of building paints, and due to the fireproof effect, a paint film is tested according to relevant performances of GB/T9756 synthetic resin emulsion interior wall paint, GB8624-2012 building materials and product combustion performance grading. The results of the coating performance tests are shown in table 1 below,
TABLE 1
| Serial number | Standard of merit | Example 1 | Example 2 | Example 3 | Example 4 |
| Contrast ratio | ≥0.93 | 0.935 | 0.938 | 0.940 | 0.939 |
| Washing and brushing resistance | ≥1500 | 1905 | 2367 | 3156 | 5284 |
| alkali/H resistance | ≥24 | No abnormality | No abnormality | No abnormality | No abnormality |
As can be seen from Table 1, the key properties of the magnetic functional fireproof interior wall coating according to the GB/T9756 synthetic resin emulsion interior wall coating meet the first-class requirements, and the other properties are not abnormal according to the standard test, wherein the best property is shown in example 4.
The results of the test for fire resistance according to GB8624-2012 are shown in Table 2 below
TABLE 2
| Serial number | Standard of merit | Example 1 | Example 2 | Example 3 | Example 4 |
| Tf | ≤20S | 17 | 14 | 12 | 9 |
| PCS | ≤3.0MJ/Kg | 2.6 | 2.3 | 2.1 | 1.9 |
As can be seen from Table 2, each of the fire-retardant interior wall coating with magnetic function of the invention meets the specified A2 grade according to the burning duration and the gross calorific value performance of the GB8624-2012 standard, and other performances also meet the standard, and the best performance is obtained in example 4.
The fireproof interior wall coating with the magnetic function has the decoration function of the interior wall coating, also has fireproof and magnetic effects, and is particularly suitable for places such as homes, offices and the like.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (9)
1. The fireproof interior wall coating with the magnetic function is characterized by comprising the following raw materials in parts by weight:
2. the fireproof interior wall coating with the magnetic function of claim 1, wherein the pH regulator is 2-amino-2-methyl-1-propanol.
3. A fire-retardant interior wall coating material with a magnetic function according to claim 1, wherein said hydroxyethyl cellulose is a nonionic water-soluble cellulose ether.
4. The fireproof interior wall coating with the magnetic function of claim 1, wherein the preservative is a mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one in any proportion; the wetting dispersant is polyacrylic acid ammonium salt or sodium polyacrylate salt; the defoaming agent is mineral oil or organic silicon defoaming agent.
5. The fireproof interior wall coating with the magnetic function of claim 1, wherein the titanium dioxide is rutile type titanium dioxide; the calcium carbonate is heavy calcium carbonate.
6. The fireproof interior wall coating with the magnetic function of claim 1, wherein the ferroferric oxide is nano-particles with a uniform size and a spherical structure; the flame retardant is a phosphate polymer.
7. The fireproof interior wall coating material with a magnetic function of claim 1, wherein the emulsion is styrene acrylate polymer.
8. The fireproof interior wall coating material with the magnetic function, according to claim 1, wherein the antifreeze agent is glycerol ethoxylate antifreeze agent; the thickening agent is an associated polyurethane thickening agent.
9. A method for preparing a fireproof interior wall coating with a magnetic function according to any one of claims 1 to 8, comprising the following steps:
step a, adding 21-25.75 parts of water into a dispersion cylinder, sequentially adding 0.15-0.3 part of PH regulator and 0.5-0.7 part of hydroxyethyl cellulose, controlling the rotation speed of the dispersion cylinder at 350r/min, and continuously dispersing for 5-7 min;
b, slowly adding 0.3-0.4 part of preservative, 0.8-1.1 part of wetting dispersant and 0.5-0.6 part of defoaming agent, adjusting the rotating speed of a dispersion cylinder to 350-450r/min, and continuously dispersing for 4-8 min;
c, sequentially adding 8-14 parts of titanium dioxide, 20-26 parts of calcium carbonate, 8-12 parts of magnesium carbonate and 6-9 parts of ferroferric oxide, adjusting the rotating speed of a dispersion cylinder to 1200-1500r/min, and continuously dispersing for 15-20 min;
d, keeping the rotating speed of the dispersion cylinder at 500-;
and e, reducing the rotating speed of the dispersion cylinder to below 450-.
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| CN116218308A (en) * | 2023-05-06 | 2023-06-06 | 潍坊亚贝涂料有限公司 | Anti-cracking flame-retardant coating for wood surface and preparation process thereof |
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Application publication date: 20220111 |