CN115838550B - Preparation method of one-time formed thick coating - Google Patents
Preparation method of one-time formed thick coating Download PDFInfo
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- CN115838550B CN115838550B CN202211263640.2A CN202211263640A CN115838550B CN 115838550 B CN115838550 B CN 115838550B CN 202211263640 A CN202211263640 A CN 202211263640A CN 115838550 B CN115838550 B CN 115838550B
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- 238000000576 coating method Methods 0.000 title claims abstract description 113
- 239000011248 coating agent Substances 0.000 title claims abstract description 112
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000000839 emulsion Substances 0.000 claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000000835 fiber Substances 0.000 claims abstract description 40
- 239000006004 Quartz sand Substances 0.000 claims abstract description 35
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 35
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229920002472 Starch Polymers 0.000 claims abstract description 32
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 32
- 239000003899 bactericide agent Substances 0.000 claims abstract description 32
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000002270 dispersing agent Substances 0.000 claims abstract description 32
- 239000003112 inhibitor Substances 0.000 claims abstract description 32
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000008107 starch Substances 0.000 claims abstract description 32
- 235000019698 starch Nutrition 0.000 claims abstract description 32
- 239000002562 thickening agent Substances 0.000 claims abstract description 32
- 239000013008 thixotropic agent Substances 0.000 claims abstract description 32
- 229920002522 Wood fibre Polymers 0.000 claims abstract description 30
- 229920001909 styrene-acrylic polymer Polymers 0.000 claims abstract description 30
- 239000002025 wood fiber Substances 0.000 claims abstract description 30
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 29
- 239000013530 defoamer Substances 0.000 claims abstract description 23
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 13
- 239000011575 calcium Substances 0.000 claims abstract description 13
- -1 alcohol ester Chemical class 0.000 claims abstract description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 38
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 19
- 239000002518 antifoaming agent Substances 0.000 claims description 9
- 229920000728 polyester Polymers 0.000 claims description 8
- 229920002748 Basalt fiber Polymers 0.000 claims description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 7
- 239000004917 carbon fiber Substances 0.000 claims description 7
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 230000001502 supplementing effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 25
- 238000005336 cracking Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 239000010451 perlite Substances 0.000 description 5
- 235000019362 perlite Nutrition 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention provides a one-step forming thick coating method, which comprises the following components: water, dispersant, thixotropic agent, bactericide, defoamer, film-forming auxiliary agent alcohol ester, odor-removing emulsion styrene-acrylic emulsion, expanded perlite powder, quartz sand, heavy calcium, talcum powder, wood fiber, starch ether, flash rust inhibitor, thickener lignocellulose and fiber of polar bonds; the beneficial effects are that: the fibers of the polar bonds and the expanded perlite powder are relatively well dispersed in the preparation process and can ensure that water is not lost rapidly; the thick coating prepared by the scheme has smooth surface.
Description
Technical Field
The invention relates to a wall coating structure, and belongs to the technical field of wall coating structures.
Background
The traditional wall decoration comprises at least four working procedures of filling putty powder into a flat wall surface, then coating mortar, wall surface primer and finishing paint, but the working procedures are reduced along with the development of economy, the labor cost is reduced, the new requirement of the modern society is met, and the technical problem which needs to be solved by people is solved by seeking a one-step formed thick coating.
The existing wall coating can crack when the thickness of the wall coating is over 0.8cm, so that the function of brushing the wall surface at one time is difficult to realize. The coating which can be thickly coated to the thickness of more than 1cm and is not cracked in the market at present is gypsum powder with A B double components, but the double-component coating can be constructed only by adding water into the AB component and mixing the AB component on a construction site, and the coating is fast to dry and completely cured within 2-3 hours, so that the coating which is not used up cannot be reused next time, and a certain degree of waste is caused. The coating provided by the invention is a thick coating which is used after being opened, is convenient to use, is not easy to solidify and is easy to construct. Proper expanded perlite powder is added in the coating, so that the coating has certain sound insulation and noise reduction functions.
Disclosure of Invention
The invention provides an anti-cracking smooth one-time forming thick coating and a preparation method thereof.
The technical scheme of the invention is as follows:
a preparation method of a one-time formed thick coating comprises the following steps:
s1, accurately weighing all the components according to a formula; the components are as follows: water, dispersant, thixotropic agent, bactericide, defoamer, film-forming auxiliary agent alcohol ester, odor-removing emulsion styrene-acrylic emulsion, expanded perlite powder, quartz sand, heavy calcium, talcum powder, wood fiber, starch ether, flash rust inhibitor, thickener lignocellulose and fiber of polar bonds;
s2, adding solvent water, a dispersing agent and a thixotropic agent into a reactor, stirring at a high speed of 500 revolutions per minute, and dispersing for 15 minutes to obtain a uniformly dispersed turbid liquid;
s3, adding the fibers into the turbid liquid, and fully dispersing the fibers;
s4, adding the bactericide, the defoamer, the film-forming auxiliary agent and the odor-removing emulsion, and dispersing for 2 minutes;
s5, adding perlite powder four times, and fully dispersing;
s6, adding quartz sand once, and fully dispersing for 2 minutes;
s7, adding heavy calcium for a small amount for many times, fully dispersing for 10 minutes, and supplementing 2.5% of solvent water;
s8, adding talcum powder for multiple times, and fully dispersing for 5 minutes;
s8, adding wood fibers, and fully dispersing for 5 minutes;
s9, adding starch ether, and fully dispersing for 5 minutes;
s10, adding a flash rust inhibitor, and fully dispersing;
s11, adding a thickening agent for a plurality of times in a small amount, fully dispersing, supplementing water by 2.5%, and continuously stirring for 10 minutes.
Further, the components are as follows:
22.4 to 5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.2 part of bactericide, 0.24 part of defoaming agent, 0.3 part of film forming auxiliary agent alcohol ester-12.3 parts of odor-free emulsion styrene-acrylic emulsion, 4 to 9 parts of expanded perlite powder, 3 parts of quartz sand, 59 to 64 parts of heavy calcium carbonate, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor, 0.3 part of thickener lignocellulose and 0.1 to 1.4 parts of fiber with polar bonds.
It should be specifically stated that 22.4+5 parts of water in the technical scheme of the present invention means that water is added in two different procedures, wherein 22.4 parts are added in step S2, and 5 parts are added in step S7.
Further, the fibers of the polar bonds are: one or more of polyester fibers, carbon fibers, glass fibers, polyacrylonitrile fibers, and basalt fibers.
Further, the length of the fibers of the polar bond was 0.6cm.
A coating obtainable by any one of the above methods of preparation.
The beneficial effects are that: the polar bond fiber and expanded perlite powder are relatively well dispersed during the preparation process and can ensure that water is not lost rapidly.
The length of the fibers of the polar bonds is 0.6cm, which is favorable for thick batch coating prepared by the scheme, and the surface is smooth.
Detailed Description
The invention is further illustrated by the following examples:
the invention discloses a preparation method of a one-step formed thick coating, which comprises the following steps:
s1, accurately weighing each component according to a formula, wherein the accuracy is 0.01g;
s2, adding solvent water, a dispersing agent and a thixotropic agent into a reactor, stirring at a high speed of 500 revolutions per minute, and dispersing for 15 minutes to obtain a uniformly dispersed turbid liquid;
s3, adding the fibers into the turbid liquid, and fully dispersing until the fibers are not agglomerated;
s4, adding a bactericide, a defoaming agent, a film forming auxiliary agent and an odor removing emulsion, and dispersing for 2 minutes;
s5, adding perlite powder four times, and fully dispersing;
s6, adding quartz sand once, and fully dispersing for 2 minutes;
s7, adding heavy calcium for a small amount for many times, fully dispersing for 10 minutes, and supplementing 2.5% of solvent water;
s8, adding talcum powder for multiple times, and fully dispersing for 5 minutes;
s8, adding wood fibers, and fully dispersing for 5 minutes;
s9, adding starch ether, and fully dispersing for 5 minutes;
s10, adding a flash rust inhibitor, and fully dispersing;
s11, adding a thickening agent for a plurality of times in a small amount, fully dispersing, supplementing water by 2.5%, and continuously stirring for 10 minutes.
Examples
Preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.2 part of bactericide, 0.24 part of defoaming agent, 0.3 part of film forming auxiliary alcohol ester-12.3 parts of odor-free emulsion styrene-acrylic emulsion, 71 parts of heavy calcium carbonate, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. When the thickness of the coating is less than 0.5cm, the coating cracks, and the surface of the coating is smooth.
Examples
Preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.2 part of bactericide, 0.24 part of defoaming agent, 0.3 part of film forming auxiliary agent alcohol ester-12, 3.6 parts of odor-free emulsion styrene-acrylic emulsion, 1 part of expanded perlite powder, 3 parts of quartz sand, 67 parts of heavy calcium, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. When the thickness of the coating is less than 0.5cm, the coating cracks, and the surface of the coating is smooth.
Examples
Preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.2 part of bactericide, 0.24 part of defoaming agent, 0.3 part of film forming auxiliary agent alcohol ester-12, 3.6 parts of odor-free emulsion styrene-acrylic emulsion, 2 parts of expanded perlite powder, 3 parts of quartz sand, 66 parts of heavy calcium, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. When the thickness of the coating is less than 0.5cm, the coating cracks, and the surface of the coating is smooth.
Examples
Preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.2 part of bactericide, 0.24 part of defoaming agent, 0.3 part of film forming auxiliary agent alcohol ester-12, 3.6 parts of odor-free emulsion styrene-acrylic emulsion, 4 parts of expanded perlite powder, 3 parts of quartz sand, 63 parts of heavy calcium, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. When the thickness of the coating is less than 0.6cm, the coating cracks, and the surface of the coating is smooth.
Examples
Preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.2 part of bactericide, 0.24 part of defoaming agent, 0.3 part of film forming auxiliary agent alcohol ester-12, 3.6 parts of odor-free emulsion styrene-acrylic emulsion, 6.5 parts of expanded perlite powder, 3 parts of quartz sand, 61 parts of heavy calcium, 8.5 parts of talcum powder, 3 parts of lignocellulose, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. When the thickness of the coating is less than 0.8cm, the coating cracks, and the surface of the coating is smooth.
Examples
Preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.2 part of bactericide, 0.24 part of defoaming agent, 0.3 part of film forming auxiliary agent alcohol ester-12, 3.6 parts of odor-free emulsion styrene-acrylic emulsion, 9 parts of expanded perlite powder, 3 parts of quartz sand, 59 parts of heavy calcium, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. When the thickness of the coating is less than 0.8cm, the coating cracks, and the surface of the coating is smooth.
Examples
Preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.1 part of polypropylene fiber (0.6 cm long), 0.2 part of bactericide, 0.24 part of defoamer, 0.3 part of film forming auxiliary agent alcohol ester-12.3 parts of emulsion styrene-acrylic emulsion, 3.6 parts of expanded perlite powder, 3 parts of quartz sand, 61 parts of heavy calcium carbonate, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. When the thickness of the coating is less than 1cm, the cracking is serious, and the surface of the coating is smooth.
Examples
Preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 1.4 parts of polypropylene fiber (0.6 cm long), 0.2 part of bactericide, 0.24 part of defoamer, 0.3 part of film forming auxiliary agent alcohol ester-12.3 parts of emulsion styrene-acrylic emulsion, 3.6 parts of expanded perlite powder, 3 parts of quartz sand, 61 parts of heavy calcium carbonate, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. The coating thickness is less than 1.5cm, but the surface of the coating is rough and difficult to cover when the finishing paint is coated.
Examples
Preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.1 part of carbon fiber (1.5 cm long), 0.2 part of bactericide, 0.24 part of defoamer, 0.3 part of film forming auxiliary agent alcohol ester-12.3 parts of emulsion styrene-acrylic emulsion, 3.6 parts of expanded perlite powder, 3 parts of quartz sand, 61 parts of heavy calcium carbonate, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. When the thickness of the coating is less than 1.5cm, the coating is microcracked, and the surface of the coating is smooth.
Example 10:
preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.2 part of carbon fiber (1.5 cm long), 0.2 part of bactericide, 0.24 part of defoamer, 0.3 part of film forming auxiliary agent alcohol ester-12.3 parts of emulsion styrene-acrylic emulsion, 3.6 parts of expanded perlite powder, 3 parts of quartz sand, 61 parts of heavy calcium carbonate, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. The coating has no cracking when the thickness is less than 1.5cm, and the surface of the coating is smooth.
Example 11:
preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.4 part of carbon fiber (1.5 cm long), 0.2 part of bactericide, 0.24 part of defoamer, 0.3 part of film forming auxiliary agent alcohol ester-12.3 parts of emulsion styrene-acrylic emulsion, 3.6 parts of expanded perlite powder, 3 parts of quartz sand, 61 parts of heavy calcium carbonate, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. The coating has no crack when the thickness is less than 1.5cm, and the surface of the coating is rough.
Example 12:
preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.2 part of glass fiber (1-2 cm long), 0.2 part of bactericide, 0.24 part of defoamer, 0.3 part of film forming auxiliary agent alcohol ester-12.3 parts of emulsion styrene-acrylic emulsion, 3.6 parts of expanded perlite powder, 3 parts of quartz sand, 61 parts of heavy calcium carbonate, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. When the thickness of the coating is less than 1.5cm, the coating is microcracked, and the surface of the coating is smooth.
Example 13:
preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.3 part of glass fiber (1-2 cm long), 0.2 part of bactericide, 0.24 part of defoamer, 0.3 part of film forming auxiliary agent alcohol ester-12.3 parts of emulsion styrene-acrylic emulsion, 3.6 parts of expanded perlite powder, 3 parts of quartz sand, 61 parts of heavy calcium carbonate, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. The coating has no cracking when the thickness is less than 1.5cm, and the surface of the coating is smooth.
Example 14:
preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.4 part of glass fiber (1-2 cm long), 0.2 part of bactericide, 0.24 part of defoamer, 0.3 part of film forming auxiliary agent alcohol ester-12.3 parts of emulsion styrene-acrylic emulsion, 3.6 parts of expanded perlite powder, 3 parts of quartz sand, 61 parts of heavy calcium carbonate, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. The coating has no crack when the thickness is less than 1.5cm, and the surface of the coating is rough.
Example 15:
preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.2 part of basalt fiber (0.6 cm long), 0.2 part of bactericide, 0.24 part of defoamer, 0.3 part of film forming auxiliary agent alcohol ester-12.3 parts of emulsion styrene-acrylic emulsion, 3.6 parts of expanded perlite powder, 3 parts of quartz sand, 61 parts of heavy calcium carbonate, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. When the thickness of the coating is less than 1.5cm, the coating cracks, and the surface of the coating is smooth.
Example 16:
preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.3 part of basalt fiber (0.6 cm long), 0.2 part of bactericide, 0.24 part of defoamer, 0.3 part of film forming auxiliary agent alcohol ester-12.3 parts of emulsion styrene-acrylic emulsion, 3.6 parts of expanded perlite powder, 3 parts of quartz sand, 61 parts of heavy calcium carbonate, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. When the thickness of the coating is less than 1.5cm, the coating is microcracked, and the surface of the coating is smooth.
Example 17:
preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.6 part of basalt fiber (0.6 cm long), 0.2 part of bactericide, 0.24 part of defoamer, 0.3 part of film forming auxiliary agent alcohol ester-12.3 parts of emulsion styrene-acrylic emulsion, 3.6 parts of expanded perlite powder, 3 parts of quartz sand, 61 parts of heavy calcium carbonate, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. The coating has no cracking when the thickness is less than 1.5cm, and the surface of the coating is smooth.
Example 18:
preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 1.4 parts of basalt fiber (0.6 cm long), 0.2 part of bactericide, 0.24 part of defoamer, 0.3 part of film forming auxiliary agent alcohol ester-12.3 parts of emulsion styrene-acrylic emulsion, 3.6 parts of expanded perlite powder, 3 parts of quartz sand, 61 parts of heavy calcium carbonate, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. The coating has no crack when the thickness is less than 1.5cm, and the surface of the coating is rough.
Example 19:
preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.1 part of polyacrylonitrile fiber (1-2 cm long), 0.2 part of bactericide, 0.24 part of defoamer, 0.3 part of film forming auxiliary agent alcohol ester-12, 3.6 parts of odor-free emulsion styrene-acrylic emulsion, 6.5 parts of expanded perlite powder, 3 parts of quartz sand, 61 parts of heavy calcium, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. The coating has the advantages of no cracking when the thickness of the coating is less than 1.5cm, smooth surface of the coating, and difficult dispersion during preparation.
Example 20:
preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.2 part of polyacrylonitrile fiber (1-2 cm long), 0.2 part of bactericide, 0.24 part of defoamer, 0.3 part of film forming auxiliary agent alcohol ester-12, 3.6 parts of odor-removing emulsion styrene-acrylic emulsion, 0 part of expanded perlite powder, 3 parts of quartz sand, 61 parts of heavy calcium carbonate, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. The coating has the advantages of no cracking when the thickness of the coating is less than 1.0cm, smooth surface of the coating, and difficult dispersion during preparation.
Example 21:
preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.3 part of polyacrylonitrile fiber (1-2 cm long), 0.2 part of bactericide, 0.24 part of defoamer, 0.3 part of film forming auxiliary agent alcohol ester-12, 3.6 parts of odor-free emulsion styrene-acrylic emulsion, 6.5 parts of expanded perlite powder, 3 parts of quartz sand, 61 parts of heavy calcium, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. The coating has a thickness of less than 1.5cm, does not crack, and has a smooth surface, but cannot be well dispersed during preparation.
Example 22:
preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.1 part of polyester fiber (0.6 cm long), 0.2 part of bactericide, 0.24 part of defoamer, 0.3 part of film forming auxiliary agent alcohol ester-12.3 parts of emulsion styrene-acrylic emulsion, 3 parts of expanded perlite powder, 3 parts of quartz sand, 61 parts of heavy calcium carbonate, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. The coating has no cracking when the thickness is less than 1.8cm, and the surface of the coating is smooth.
Example 23:
preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.2 part of polyester fiber (0.6 cm long), 0.2 part of bactericide, 0.24 part of defoamer, 0.3 part of film forming auxiliary agent alcohol ester-12.3 parts of emulsion styrene-acrylic emulsion, 3 parts of expanded perlite powder, 3 parts of quartz sand, 61 parts of heavy calcium carbonate, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. When the thickness of the coating is less than 1.5cm, the coating cracks, and the surface of the coating is smooth.
Example 24:
preparing a one-time formed thick coating, which comprises the following components in mass:
22.4+5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.4 part of polyester fiber (0.6 cm long), 0.2 part of bactericide, 0.24 part of defoamer, 0.3 part of film forming auxiliary agent alcohol ester-12, 3.6 parts of odor-free emulsion styrene-acrylic emulsion, 4 parts of expanded perlite powder, 3 parts of quartz sand, 61 parts of heavy calcium carbonate, 8.5 parts of talcum powder, 3 parts of wood fiber, 0.035 part of starch ether, 0.15 part of flash rust inhibitor and 0.3 part of thickener lignocellulose. The coating has no crack when the thickness is less than 1.5cm, and the surface of the coating is rough.
In conclusion, the addition of the expanded perlite powder and the quartz sand has a certain effect on the one-step forming of the thick coating, but the effect is not obvious.
In summary, all the fibers have better effect on cracking resistance of thick coating, especially the fibers containing polar bonds, such as polyester fibers, carbon fibers, glass fibers, polyacrylonitrile fibers and basalt fibers, can be added in small amounts to achieve good effect, but in view of the price of the fibers, the carbon fibers are more expensive, 0.1 part of polyester fibers and 0.1 part of polyacrylonitrile fibers are the best effect, but from the preparation process, the polyester fibers are relatively well dispersed in the preparation process. From other patents, fibers are added to enhance the cracking resistance, but the addition amount is large, the thick surface is unfavorable for subsequent construction, and the thick coating prepared by the scheme has smooth surface and is very friendly to the subsequent construction.
The theory involved for adding perlite and quartz sand might be: because the main components of the perlite and the quartz sand are SiO 2, a reticular structure is easy to form, but the reticular structure is insufficient to bear the cracking property caused by different internal and external water volatilization rates, the fiber containing polar bonds is properly added, so that the perlite and the quartz sand have good compatibility with polar inorganic materials, the structural force in the coating is enhanced, and the cracking resistance effect is achieved.
Claims (2)
1. The preparation method of the one-time formed thick coating is characterized by comprising the following steps of:
s1, accurately weighing all the components according to a formula; the components are as follows: water, dispersant, thixotropic agent, bactericide, defoamer, film-forming auxiliary agent alcohol ester, odor-removing emulsion styrene-acrylic emulsion, expanded perlite powder, quartz sand, heavy calcium, talcum powder, wood fiber, starch ether, flash rust inhibitor, thickener lignocellulose and fiber of polar bonds;
s2, adding solvent water, a dispersing agent and a thixotropic agent into a reactor, stirring at a high speed of 500 revolutions per minute, and dispersing for 15 minutes to obtain a uniformly dispersed turbid liquid;
s3, adding the fibers with polar bonds into the turbid liquid, and fully dispersing the fibers;
s4, adding the bactericide, the defoamer, the film forming additive and the odor-free emulsion styrene-acrylic emulsion, and dispersing for 2 minutes;
s5, adding expanded perlite powder four times, and fully dispersing;
s6, adding quartz sand once, and fully dispersing for 2 minutes;
s7, adding heavy calcium for a small amount for many times, fully dispersing for 10 minutes, and supplementing 2.5% of solvent water;
s8, adding talcum powder for multiple times, and fully dispersing for 5 minutes;
s8, adding wood fibers, and fully dispersing for 5 minutes;
s9, adding starch ether, and fully dispersing for 5 minutes;
s10, adding a flash rust inhibitor, and fully dispersing;
s11, adding a thickening agent for a small amount for many times, fully dispersing, supplementing 2.5% of water, and continuously stirring for 10 minutes;
the components are as follows by mass:
22.4 to 5 parts of water, 0.75 part of dispersing agent, 1.1 part of thixotropic agent, 0.2 part of bactericide, 0.24 part of defoaming agent, 12.3 parts of film forming auxiliary alcohol ester, 3.6 parts of odor-free emulsion styrene-acrylic emulsion, 4 to 9 parts of expanded perlite powder, 3 parts of quartz sand, 59 to 64 parts of heavy calcium carbonate, 8.5 parts of talcum powder, 3 parts of lignocellulose, 0.035 part of starch ether, 0.15 part of flash rust inhibitor, 0.3 part of thickener lignocellulose and 0.1 to 1.4 parts of fiber with polar bonds;
the fibers of the polar bonds are: one or more of polyester fibers, carbon fibers, glass fibers, polyacrylonitrile fibers, and basalt fibers;
the length of the fibers of the polar bonds was 0.6cm.
2. A coating obtainable by the process of claim 1.
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| CN101054492A (en) * | 2006-04-14 | 2007-10-17 | 上海岩艺涂装科技有限公司 | Multifunctional protection paste for outside wall |
| CN101081955A (en) * | 2007-06-01 | 2007-12-05 | 广州秀珀化工有限公司 | Lightweight acoustical paint and preparation method thereof |
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| CN111303707A (en) * | 2020-02-24 | 2020-06-19 | 青岛碳之光新材料科技有限公司 | Quick-drying coating for battery tray chassis armor of new energy automobile |
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| CN101054492A (en) * | 2006-04-14 | 2007-10-17 | 上海岩艺涂装科技有限公司 | Multifunctional protection paste for outside wall |
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| CN108690394A (en) * | 2017-02-20 | 2018-10-23 | 广东华润涂料有限公司 | The water-borne dispersions of inorfil and the method that water-based paint compositions are prepared by it |
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